diff options
Diffstat (limited to 'src/modules')
163 files changed, 5315 insertions, 11020 deletions
diff --git a/src/modules/att_pos_estimator_ekf/KalmanNav.cpp b/src/modules/att_pos_estimator_ekf/KalmanNav.cpp deleted file mode 100644 index 5cf84542b..000000000 --- a/src/modules/att_pos_estimator_ekf/KalmanNav.cpp +++ /dev/null @@ -1,812 +0,0 @@ -/**************************************************************************** - * - * Copyright (c) 2012, 2013 PX4 Development Team. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name PX4 nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/** - * @file KalmanNav.cpp - * - * Kalman filter navigation code - */ - -#include <poll.h> - -#include "KalmanNav.hpp" -#include <systemlib/err.h> -#include <geo/geo.h> - -// constants -// Titterton pg. 52 -static const float omega = 7.2921150e-5f; // earth rotation rate, rad/s -static const float R0 = 6378137.0f; // earth radius, m -static const float g0 = 9.806f; // standard gravitational accel. m/s^2 -static const int8_t ret_ok = 0; // no error in function -static const int8_t ret_error = -1; // error occurred - -KalmanNav::KalmanNav(SuperBlock *parent, const char *name) : - SuperBlock(parent, name), - // subscriptions - _sensors(&getSubscriptions(), ORB_ID(sensor_combined), 5), // limit to 200 Hz - _gps(&getSubscriptions(), ORB_ID(vehicle_gps_position), 100), // limit to 10 Hz - _param_update(&getSubscriptions(), ORB_ID(parameter_update), 1000), // limit to 1 Hz - // publications - _pos(&getPublications(), ORB_ID(vehicle_global_position)), - _localPos(&getPublications(), ORB_ID(vehicle_local_position)), - _att(&getPublications(), ORB_ID(vehicle_attitude)), - // timestamps - _pubTimeStamp(hrt_absolute_time()), - _predictTimeStamp(hrt_absolute_time()), - _attTimeStamp(hrt_absolute_time()), - _outTimeStamp(hrt_absolute_time()), - // frame count - _navFrames(0), - // miss counts - _miss(0), - // accelerations - fN(0), fE(0), fD(0), - // state - phi(0), theta(0), psi(0), - vN(0), vE(0), vD(0), - lat(0), lon(0), alt(0), - lat0(0), lon0(0), alt0(0), - // parameters for ground station - _vGyro(this, "V_GYRO"), - _vAccel(this, "V_ACCEL"), - _rMag(this, "R_MAG"), - _rGpsVel(this, "R_GPS_VEL"), - _rGpsPos(this, "R_GPS_POS"), - _rGpsAlt(this, "R_GPS_ALT"), - _rPressAlt(this, "R_PRESS_ALT"), - _rAccel(this, "R_ACCEL"), - _magDip(this, "ENV_MAG_DIP"), - _magDec(this, "ENV_MAG_DEC"), - _g(this, "ENV_G"), - _faultPos(this, "FAULT_POS"), - _faultAtt(this, "FAULT_ATT"), - _attitudeInitialized(false), - _positionInitialized(false), - _attitudeInitCounter(0) -{ - using namespace math; - - memset(&ref, 0, sizeof(ref)); - - F.zero(); - G.zero(); - V.zero(); - HAtt.zero(); - RAtt.zero(); - HPos.zero(); - RPos.zero(); - - // initial state covariance matrix - P0.identity(); - P0 *= 0.01f; - P = P0; - - // initial state - phi = 0.0f; - theta = 0.0f; - psi = 0.0f; - vN = 0.0f; - vE = 0.0f; - vD = 0.0f; - lat = 0.0f; - lon = 0.0f; - alt = 0.0f; - - // initialize rotation quaternion with a single raw sensor measurement - _sensors.update(); - q = init( - _sensors.accelerometer_m_s2[0], - _sensors.accelerometer_m_s2[1], - _sensors.accelerometer_m_s2[2], - _sensors.magnetometer_ga[0], - _sensors.magnetometer_ga[1], - _sensors.magnetometer_ga[2]); - - // initialize dcm - C_nb = q.to_dcm(); - - // HPos is constant - HPos(0, 3) = 1.0f; - HPos(1, 4) = 1.0f; - HPos(2, 6) = 1.0e7f * M_RAD_TO_DEG_F; - HPos(3, 7) = 1.0e7f * M_RAD_TO_DEG_F; - HPos(4, 8) = 1.0f; - HPos(5, 8) = 1.0f; - - // initialize all parameters - updateParams(); -} - -math::Quaternion KalmanNav::init(float ax, float ay, float az, float mx, float my, float mz) -{ - float initialRoll, initialPitch; - float cosRoll, sinRoll, cosPitch, sinPitch; - float magX, magY; - float initialHdg, cosHeading, sinHeading; - - initialRoll = atan2(-ay, -az); - initialPitch = atan2(ax, -az); - - cosRoll = cosf(initialRoll); - sinRoll = sinf(initialRoll); - cosPitch = cosf(initialPitch); - sinPitch = sinf(initialPitch); - - magX = mx * cosPitch + my * sinRoll * sinPitch + mz * cosRoll * sinPitch; - - magY = my * cosRoll - mz * sinRoll; - - initialHdg = atan2f(-magY, magX); - - cosRoll = cosf(initialRoll * 0.5f); - sinRoll = sinf(initialRoll * 0.5f); - - cosPitch = cosf(initialPitch * 0.5f); - sinPitch = sinf(initialPitch * 0.5f); - - cosHeading = cosf(initialHdg * 0.5f); - sinHeading = sinf(initialHdg * 0.5f); - - float q0 = cosRoll * cosPitch * cosHeading + sinRoll * sinPitch * sinHeading; - float q1 = sinRoll * cosPitch * cosHeading - cosRoll * sinPitch * sinHeading; - float q2 = cosRoll * sinPitch * cosHeading + sinRoll * cosPitch * sinHeading; - float q3 = cosRoll * cosPitch * sinHeading - sinRoll * sinPitch * cosHeading; - - return math::Quaternion(q0, q1, q2, q3); - -} - -void KalmanNav::update() -{ - using namespace math; - - struct pollfd fds[1]; - fds[0].fd = _sensors.getHandle(); - fds[0].events = POLLIN; - - // poll for new data - int ret = poll(fds, 1, 1000); - - if (ret < 0) { - // XXX this is seriously bad - should be an emergency - return; - - } else if (ret == 0) { // timeout - return; - } - - // get new timestamp - uint64_t newTimeStamp = hrt_absolute_time(); - - // check updated subscriptions - if (_param_update.updated()) updateParams(); - - bool gpsUpdate = _gps.updated(); - bool sensorsUpdate = _sensors.updated(); - - // get new information from subscriptions - // this clears update flag - updateSubscriptions(); - - // initialize attitude when sensors online - if (!_attitudeInitialized && sensorsUpdate) { - if (correctAtt() == ret_ok) _attitudeInitCounter++; - - if (_attitudeInitCounter > 100) { - warnx("initialized EKF attitude"); - warnx("phi: %8.4f, theta: %8.4f, psi: %8.4f", - double(phi), double(theta), double(psi)); - _attitudeInitialized = true; - } - } - - // initialize position when gps received - if (!_positionInitialized && - _attitudeInitialized && // wait for attitude first - gpsUpdate && - _gps.fix_type > 2 - //&& _gps.counter_pos_valid > 10 - ) { - vN = _gps.vel_n_m_s; - vE = _gps.vel_e_m_s; - vD = _gps.vel_d_m_s; - setLatDegE7(_gps.lat); - setLonDegE7(_gps.lon); - setAltE3(_gps.alt); - // set reference position for - // local position - lat0 = lat; - lon0 = lon; - alt0 = alt; - map_projection_init(&ref, lat0, lon0); - _positionInitialized = true; - warnx("initialized EKF state with GPS"); - warnx("vN: %8.4f, vE: %8.4f, vD: %8.4f, lat: %8.4f, lon: %8.4f, alt: %8.4f", - double(vN), double(vE), double(vD), - lat, lon, double(alt)); - } - - // prediction step - // using sensors timestamp so we can account for packet lag - float dt = (_sensors.timestamp - _predictTimeStamp) / 1.0e6f; - //printf("dt: %15.10f\n", double(dt)); - _predictTimeStamp = _sensors.timestamp; - - // don't predict if time greater than a second - if (dt < 1.0f) { - predictState(dt); - predictStateCovariance(dt); - // count fast frames - _navFrames += 1; - } - - // count times 100 Hz rate isn't met - if (dt > 0.01f) _miss++; - - // gps correction step - if (_positionInitialized && gpsUpdate) { - correctPos(); - } - - // attitude correction step - if (_attitudeInitialized // initialized - && sensorsUpdate // new data - && _sensors.timestamp - _attTimeStamp > 1e6 / 50 // 50 Hz - ) { - _attTimeStamp = _sensors.timestamp; - correctAtt(); - } - - // publication - if (newTimeStamp - _pubTimeStamp > 1e6 / 50) { // 50 Hz - _pubTimeStamp = newTimeStamp; - - updatePublications(); - } - - // output - if (newTimeStamp - _outTimeStamp > 10e6) { // 0.1 Hz - _outTimeStamp = newTimeStamp; - //printf("nav: %4d Hz, miss #: %4d\n", - // _navFrames / 10, _miss / 10); - _navFrames = 0; - _miss = 0; - } -} - -void KalmanNav::updatePublications() -{ - using namespace math; - - // global position publication - _pos.timestamp = _pubTimeStamp; - _pos.time_gps_usec = _gps.timestamp_position; - _pos.lat = lat * M_RAD_TO_DEG; - _pos.lon = lon * M_RAD_TO_DEG; - _pos.alt = float(alt); - _pos.vel_n = vN; - _pos.vel_e = vE; - _pos.vel_d = vD; - _pos.yaw = psi; - - // local position publication - float x; - float y; - bool landed = alt < (alt0 + 0.1); // XXX improve? - map_projection_project(&ref, lat, lon, &x, &y); - _localPos.timestamp = _pubTimeStamp; - _localPos.xy_valid = true; - _localPos.z_valid = true; - _localPos.v_xy_valid = true; - _localPos.v_z_valid = true; - _localPos.x = x; - _localPos.y = y; - _localPos.z = alt0 - alt; - _localPos.vx = vN; - _localPos.vy = vE; - _localPos.vz = vD; - _localPos.yaw = psi; - _localPos.xy_global = true; - _localPos.z_global = true; - _localPos.ref_timestamp = _pubTimeStamp; - _localPos.ref_lat = lat * M_RAD_TO_DEG; - _localPos.ref_lon = lon * M_RAD_TO_DEG; - _localPos.ref_alt = 0; - _localPos.landed = landed; - - // attitude publication - _att.timestamp = _pubTimeStamp; - _att.roll = phi; - _att.pitch = theta; - _att.yaw = psi; - _att.rollspeed = _sensors.gyro_rad_s[0]; - _att.pitchspeed = _sensors.gyro_rad_s[1]; - _att.yawspeed = _sensors.gyro_rad_s[2]; - // TODO, add gyro offsets to filter - _att.rate_offsets[0] = 0.0f; - _att.rate_offsets[1] = 0.0f; - _att.rate_offsets[2] = 0.0f; - - for (int i = 0; i < 3; i++) for (int j = 0; j < 3; j++) - _att.R[i][j] = C_nb(i, j); - - for (int i = 0; i < 4; i++) _att.q[i] = q(i); - - _att.R_valid = true; - _att.q_valid = true; - - // selectively update publications, - // do NOT call superblock do-all method - if (_positionInitialized) { - _pos.update(); - _localPos.update(); - } - - if (_attitudeInitialized) - _att.update(); -} - -int KalmanNav::predictState(float dt) -{ - using namespace math; - - // trig - float sinL = sinf(lat); - float cosL = cosf(lat); - float cosLSing = cosf(lat); - - // prevent singularity - if (fabsf(cosLSing) < 0.01f) { - if (cosLSing > 0) cosLSing = 0.01; - else cosLSing = -0.01; - } - - // attitude prediction - if (_attitudeInitialized) { - Vector<3> w(_sensors.gyro_rad_s); - - // attitude - q = q + q.derivative(w) * dt; - - // renormalize quaternion if needed - if (fabsf(q.length() - 1.0f) > 1e-4f) { - q.normalize(); - } - - // C_nb update - C_nb = q.to_dcm(); - - // euler update - Vector<3> euler = C_nb.to_euler(); - phi = euler.data[0]; - theta = euler.data[1]; - psi = euler.data[2]; - - // specific acceleration in nav frame - Vector<3> accelB(_sensors.accelerometer_m_s2); - Vector<3> accelN = C_nb * accelB; - fN = accelN(0); - fE = accelN(1); - fD = accelN(2); - } - - // position prediction - if (_positionInitialized) { - // neglects angular deflections in local gravity - // see Titerton pg. 70 - float R = R0 + float(alt); - float LDot = vN / R; - float lDot = vE / (cosLSing * R); - float rotRate = 2 * omega + lDot; - - // XXX position prediction using speed - float vNDot = fN - vE * rotRate * sinL + - vD * LDot; - float vDDot = fD - vE * rotRate * cosL - - vN * LDot + _g.get(); - float vEDot = fE + vN * rotRate * sinL + - vDDot * rotRate * cosL; - - // rectangular integration - vN += vNDot * dt; - vE += vEDot * dt; - vD += vDDot * dt; - lat += double(LDot * dt); - lon += double(lDot * dt); - alt += double(-vD * dt); - } - - return ret_ok; -} - -int KalmanNav::predictStateCovariance(float dt) -{ - using namespace math; - - // trig - float sinL = sinf(lat); - float cosL = cosf(lat); - float cosLSq = cosL * cosL; - float tanL = tanf(lat); - - // prepare for matrix - float R = R0 + float(alt); - float RSq = R * R; - - // F Matrix - // Titterton pg. 291 - - F(0, 1) = -(omega * sinL + vE * tanL / R); - F(0, 2) = vN / R; - F(0, 4) = 1.0f / R; - F(0, 6) = -omega * sinL; - F(0, 8) = -vE / RSq; - - F(1, 0) = omega * sinL + vE * tanL / R; - F(1, 2) = omega * cosL + vE / R; - F(1, 3) = -1.0f / R; - F(1, 8) = vN / RSq; - - F(2, 0) = -vN / R; - F(2, 1) = -omega * cosL - vE / R; - F(2, 4) = -tanL / R; - F(2, 6) = -omega * cosL - vE / (R * cosLSq); - F(2, 8) = vE * tanL / RSq; - - F(3, 1) = -fD; - F(3, 2) = fE; - F(3, 3) = vD / R; - F(3, 4) = -2 * (omega * sinL + vE * tanL / R); - F(3, 5) = vN / R; - F(3, 6) = -vE * (2 * omega * cosL + vE / (R * cosLSq)); - F(3, 8) = (vE * vE * tanL - vN * vD) / RSq; - - F(4, 0) = fD; - F(4, 2) = -fN; - F(4, 3) = 2 * omega * sinL + vE * tanL / R; - F(4, 4) = (vN * tanL + vD) / R; - F(4, 5) = 2 * omega * cosL + vE / R; - F(4, 6) = 2 * omega * (vN * cosL - vD * sinL) + - vN * vE / (R * cosLSq); - F(4, 8) = -vE * (vN * tanL + vD) / RSq; - - F(5, 0) = -fE; - F(5, 1) = fN; - F(5, 3) = -2 * vN / R; - F(5, 4) = -2 * (omega * cosL + vE / R); - F(5, 6) = 2 * omega * vE * sinL; - F(5, 8) = (vN * vN + vE * vE) / RSq; - - F(6, 3) = 1 / R; - F(6, 8) = -vN / RSq; - - F(7, 4) = 1 / (R * cosL); - F(7, 6) = vE * tanL / (R * cosL); - F(7, 8) = -vE / (cosL * RSq); - - F(8, 5) = -1; - - // G Matrix - // Titterton pg. 291 - G(0, 0) = -C_nb(0, 0); - G(0, 1) = -C_nb(0, 1); - G(0, 2) = -C_nb(0, 2); - G(1, 0) = -C_nb(1, 0); - G(1, 1) = -C_nb(1, 1); - G(1, 2) = -C_nb(1, 2); - G(2, 0) = -C_nb(2, 0); - G(2, 1) = -C_nb(2, 1); - G(2, 2) = -C_nb(2, 2); - - G(3, 3) = C_nb(0, 0); - G(3, 4) = C_nb(0, 1); - G(3, 5) = C_nb(0, 2); - G(4, 3) = C_nb(1, 0); - G(4, 4) = C_nb(1, 1); - G(4, 5) = C_nb(1, 2); - G(5, 3) = C_nb(2, 0); - G(5, 4) = C_nb(2, 1); - G(5, 5) = C_nb(2, 2); - - // continuous prediction equations - // for discrete time EKF - // http://en.wikipedia.org/wiki/Extended_Kalman_filter - P = P + (F * P + P * F.transposed() + G * V * G.transposed()) * dt; - - return ret_ok; -} - -int KalmanNav::correctAtt() -{ - using namespace math; - - // trig - float cosPhi = cosf(phi); - float cosTheta = cosf(theta); - // float cosPsi = cosf(psi); - float sinPhi = sinf(phi); - float sinTheta = sinf(theta); - // float sinPsi = sinf(psi); - - // mag predicted measurement - // choosing some typical magnetic field properties, - // TODO dip/dec depend on lat/ lon/ time - //float dip = _magDip.get() / M_RAD_TO_DEG_F; // dip, inclination with level - float dec = _magDec.get() / M_RAD_TO_DEG_F; // declination, clockwise rotation from north - - // compensate roll and pitch, but not yaw - // XXX take the vectors out of the C_nb matrix to avoid singularities - math::Matrix<3,3> C_rp; - C_rp.from_euler(phi, theta, 0.0f);//C_nb.transposed(); - - // mag measurement - Vector<3> magBody(_sensors.magnetometer_ga); - - // transform to earth frame - Vector<3> magNav = C_rp * magBody; - - // calculate error between estimate and measurement - // apply declination correction for true heading as well. - float yMag = -atan2f(magNav(1),magNav(0)) - psi - dec; - if (yMag > M_PI_F) yMag -= 2*M_PI_F; - if (yMag < -M_PI_F) yMag += 2*M_PI_F; - - // accel measurement - Vector<3> zAccel(_sensors.accelerometer_m_s2); - float accelMag = zAccel.length(); - zAccel.normalize(); - - // ignore accel correction when accel mag not close to g - Matrix<4,4> RAttAdjust = RAtt; - - bool ignoreAccel = fabsf(accelMag - _g.get()) > 1.1f; - - if (ignoreAccel) { - RAttAdjust(1, 1) = 1.0e10; - RAttAdjust(2, 2) = 1.0e10; - RAttAdjust(3, 3) = 1.0e10; - - } else { - //printf("correcting attitude with accel\n"); - } - - // accel predicted measurement - Vector<3> zAccelHat = (C_nb.transposed() * Vector<3>(0, 0, -_g.get())).normalized(); - - // calculate residual - Vector<4> y(yMag, zAccel(0) - zAccelHat(0), zAccel(1) - zAccelHat(1), zAccel(2) - zAccelHat(2)); - - // HMag - HAtt(0, 2) = 1; - - // HAccel - HAtt(1, 1) = cosTheta; - HAtt(2, 0) = -cosPhi * cosTheta; - HAtt(2, 1) = sinPhi * sinTheta; - HAtt(3, 0) = sinPhi * cosTheta; - HAtt(3, 1) = cosPhi * sinTheta; - - // compute correction - // http://en.wikipedia.org/wiki/Extended_Kalman_filter - Matrix<4, 4> S = HAtt * P * HAtt.transposed() + RAttAdjust; // residual covariance - Matrix<9, 4> K = P * HAtt.transposed() * S.inversed(); - Vector<9> xCorrect = K * y; - - // check correciton is sane - for (size_t i = 0; i < xCorrect.get_size(); i++) { - float val = xCorrect(i); - - if (isnan(val) || isinf(val)) { - // abort correction and return - warnx("numerical failure in att correction"); - // reset P matrix to P0 - P = P0; - return ret_error; - } - } - - // correct state - if (!ignoreAccel) { - phi += xCorrect(PHI); - theta += xCorrect(THETA); - } - - psi += xCorrect(PSI); - - // attitude also affects nav velocities - if (_positionInitialized) { - vN += xCorrect(VN); - vE += xCorrect(VE); - vD += xCorrect(VD); - } - - // update state covariance - // http://en.wikipedia.org/wiki/Extended_Kalman_filter - P = P - K * HAtt * P; - - // fault detection - float beta = y * (S.inversed() * y); - - if (beta > _faultAtt.get()) { - warnx("fault in attitude: beta = %8.4f", (double)beta); - warnx("y:"); y.print(); - } - - // update quaternions from euler - // angle correction - q.from_euler(phi, theta, psi); - - return ret_ok; -} - -int KalmanNav::correctPos() -{ - using namespace math; - - // residual - Vector<6> y; - y(0) = _gps.vel_n_m_s - vN; - y(1) = _gps.vel_e_m_s - vE; - y(2) = double(_gps.lat) - double(lat) * 1.0e7 * M_RAD_TO_DEG; - y(3) = double(_gps.lon) - double(lon) * 1.0e7 * M_RAD_TO_DEG; - y(4) = _gps.alt / 1.0e3f - alt; - y(5) = _sensors.baro_alt_meter - alt; - - // compute correction - // http://en.wikipedia.org/wiki/Extended_Kalman_filter - Matrix<6,6> S = HPos * P * HPos.transposed() + RPos; // residual covariance - Matrix<9,6> K = P * HPos.transposed() * S.inversed(); - Vector<9> xCorrect = K * y; - - // check correction is sane - for (size_t i = 0; i < xCorrect.get_size(); i++) { - float val = xCorrect(i); - - if (!isfinite(val)) { - // abort correction and return - warnx("numerical failure in gps correction"); - // fallback to GPS - vN = _gps.vel_n_m_s; - vE = _gps.vel_e_m_s; - vD = _gps.vel_d_m_s; - setLatDegE7(_gps.lat); - setLonDegE7(_gps.lon); - setAltE3(_gps.alt); - // reset P matrix to P0 - P = P0; - return ret_error; - } - } - - // correct state - vN += xCorrect(VN); - vE += xCorrect(VE); - vD += xCorrect(VD); - lat += double(xCorrect(LAT)); - lon += double(xCorrect(LON)); - alt += xCorrect(ALT); - - // update state covariance - // http://en.wikipedia.org/wiki/Extended_Kalman_filter - P = P - K * HPos * P; - - // fault detetcion - float beta = y * (S.inversed() * y); - - static int counter = 0; - if (beta > _faultPos.get() && (counter % 10 == 0)) { - warnx("fault in gps: beta = %8.4f", (double)beta); - warnx("Y/N: vN: %8.4f, vE: %8.4f, lat: %8.4f, lon: %8.4f, alt: %8.4f, baro: %8.4f", - double(y(0) / sqrtf(RPos(0, 0))), - double(y(1) / sqrtf(RPos(1, 1))), - double(y(2) / sqrtf(RPos(2, 2))), - double(y(3) / sqrtf(RPos(3, 3))), - double(y(4) / sqrtf(RPos(4, 4))), - double(y(5) / sqrtf(RPos(5, 5)))); - } - counter++; - - return ret_ok; -} - -void KalmanNav::updateParams() -{ - using namespace math; - using namespace control; - SuperBlock::updateParams(); - - // gyro noise - V(0, 0) = _vGyro.get(); // gyro x, rad/s - V(1, 1) = _vGyro.get(); // gyro y - V(2, 2) = _vGyro.get(); // gyro z - - // accel noise - V(3, 3) = _vAccel.get(); // accel x, m/s^2 - V(4, 4) = _vAccel.get(); // accel y - V(5, 5) = _vAccel.get(); // accel z - - // magnetometer noise - float noiseMin = 1e-6f; - float noiseMagSq = _rMag.get() * _rMag.get(); - - if (noiseMagSq < noiseMin) noiseMagSq = noiseMin; - - RAtt(0, 0) = noiseMagSq; // normalized direction - - // accelerometer noise - float noiseAccelSq = _rAccel.get() * _rAccel.get(); - - // bound noise to prevent singularities - if (noiseAccelSq < noiseMin) noiseAccelSq = noiseMin; - - RAtt(1, 1) = noiseAccelSq; // normalized direction - RAtt(2, 2) = noiseAccelSq; - RAtt(3, 3) = noiseAccelSq; - - // gps noise - float R = R0 + float(alt); - float cosLSing = cosf(lat); - - // prevent singularity - if (fabsf(cosLSing) < 0.01f) { - if (cosLSing > 0) cosLSing = 0.01; - else cosLSing = -0.01; - } - - float noiseVel = _rGpsVel.get(); - float noiseLatDegE7 = 1.0e7f * M_RAD_TO_DEG_F * _rGpsPos.get() / R; - float noiseLonDegE7 = noiseLatDegE7 / cosLSing; - float noiseGpsAlt = _rGpsAlt.get(); - float noisePressAlt = _rPressAlt.get(); - - // bound noise to prevent singularities - if (noiseVel < noiseMin) noiseVel = noiseMin; - - if (noiseLatDegE7 < noiseMin) noiseLatDegE7 = noiseMin; - - if (noiseLonDegE7 < noiseMin) noiseLonDegE7 = noiseMin; - - if (noiseGpsAlt < noiseMin) noiseGpsAlt = noiseMin; - - if (noisePressAlt < noiseMin) noisePressAlt = noiseMin; - - RPos(0, 0) = noiseVel * noiseVel; // vn - RPos(1, 1) = noiseVel * noiseVel; // ve - RPos(2, 2) = noiseLatDegE7 * noiseLatDegE7; // lat - RPos(3, 3) = noiseLonDegE7 * noiseLonDegE7; // lon - RPos(4, 4) = noiseGpsAlt * noiseGpsAlt; // h - RPos(5, 5) = noisePressAlt * noisePressAlt; // h - // XXX, note that RPos depends on lat, so updateParams should - // be called if lat changes significantly -} diff --git a/src/modules/att_pos_estimator_ekf/KalmanNav.hpp b/src/modules/att_pos_estimator_ekf/KalmanNav.hpp deleted file mode 100644 index 24df153cb..000000000 --- a/src/modules/att_pos_estimator_ekf/KalmanNav.hpp +++ /dev/null @@ -1,194 +0,0 @@ -/**************************************************************************** - * - * Copyright (c) 2012, 2013 PX4 Development Team. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name PX4 nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/** - * @file KalmanNav.hpp - * - * kalman filter navigation code - */ - -#pragma once - -//#define MATRIX_ASSERT -//#define VECTOR_ASSERT - -#include <nuttx/config.h> - -#include <mathlib/mathlib.h> -#include <controllib/blocks.hpp> -#include <controllib/block/BlockParam.hpp> -#include <uORB/Subscription.hpp> -#include <uORB/Publication.hpp> -#include <lib/geo/geo.h> - -#include <uORB/topics/vehicle_attitude.h> -#include <uORB/topics/vehicle_global_position.h> -#include <uORB/topics/vehicle_local_position.h> -#include <uORB/topics/sensor_combined.h> -#include <uORB/topics/vehicle_gps_position.h> -#include <uORB/topics/parameter_update.h> - -#include <drivers/drv_accel.h> -#include <drivers/drv_gyro.h> -#include <drivers/drv_mag.h> - -#include <drivers/drv_hrt.h> -#include <poll.h> -#include <unistd.h> - -/** - * Kalman filter navigation class - * http://en.wikipedia.org/wiki/Extended_Kalman_filter - * Discrete-time extended Kalman filter - */ -class KalmanNav : public control::SuperBlock -{ -public: - /** - * Constructor - */ - KalmanNav(SuperBlock *parent, const char *name); - - /** - * Deconstuctor - */ - - virtual ~KalmanNav() {}; - - math::Quaternion init(float ax, float ay, float az, float mx, float my, float mz); - - /** - * The main callback function for the class - */ - void update(); - - - /** - * Publication update - */ - virtual void updatePublications(); - - /** - * State prediction - * Continuous, non-linear - */ - int predictState(float dt); - - /** - * State covariance prediction - * Continuous, linear - */ - int predictStateCovariance(float dt); - - /** - * Attitude correction - */ - int correctAtt(); - - /** - * Position correction - */ - int correctPos(); - - /** - * Overloaded update parameters - */ - virtual void updateParams(); -protected: - // kalman filter - math::Matrix<9,9> F; /**< Jacobian(f,x), where dx/dt = f(x,u) */ - math::Matrix<9,6> G; /**< noise shaping matrix for gyro/accel */ - math::Matrix<9,9> P; /**< state covariance matrix */ - math::Matrix<9,9> P0; /**< initial state covariance matrix */ - math::Matrix<6,6> V; /**< gyro/ accel noise matrix */ - math::Matrix<4,9> HAtt; /**< attitude measurement matrix */ - math::Matrix<4,4> RAtt; /**< attitude measurement noise matrix */ - math::Matrix<6,9> HPos; /**< position measurement jacobian matrix */ - math::Matrix<6,6> RPos; /**< position measurement noise matrix */ - // attitude - math::Matrix<3,3> C_nb; /**< direction cosine matrix from body to nav frame */ - math::Quaternion q; /**< quaternion from body to nav frame */ - // subscriptions - uORB::Subscription<sensor_combined_s> _sensors; /**< sensors sub. */ - uORB::Subscription<vehicle_gps_position_s> _gps; /**< gps sub. */ - uORB::Subscription<parameter_update_s> _param_update; /**< parameter update sub. */ - // publications - uORB::Publication<vehicle_global_position_s> _pos; /**< position pub. */ - uORB::Publication<vehicle_local_position_s> _localPos; /**< local position pub. */ - uORB::Publication<vehicle_attitude_s> _att; /**< attitude pub. */ - // time stamps - uint64_t _pubTimeStamp; /**< output data publication time stamp */ - uint64_t _predictTimeStamp; /**< prediction time stamp */ - uint64_t _attTimeStamp; /**< attitude correction time stamp */ - uint64_t _outTimeStamp; /**< output time stamp */ - // frame count - uint16_t _navFrames; /**< navigation frames completed in output cycle */ - // miss counts - uint16_t _miss; /**< number of times fast prediction loop missed */ - // accelerations - float fN, fE, fD; /**< navigation frame acceleration */ - // states - enum {PHI = 0, THETA, PSI, VN, VE, VD, LAT, LON, ALT}; /**< state enumeration */ - float phi, theta, psi; /**< 3-2-1 euler angles */ - float vN, vE, vD; /**< navigation velocity, m/s */ - double lat, lon; /**< lat, lon radians */ - // parameters - float alt; /**< altitude, meters */ - double lat0, lon0; /**< reference latitude and longitude */ - struct map_projection_reference_s ref; /**< local projection reference */ - float alt0; /**< refeerence altitude (ground height) */ - control::BlockParamFloat _vGyro; /**< gyro process noise */ - control::BlockParamFloat _vAccel; /**< accelerometer process noise */ - control::BlockParamFloat _rMag; /**< magnetometer measurement noise */ - control::BlockParamFloat _rGpsVel; /**< gps velocity measurement noise */ - control::BlockParamFloat _rGpsPos; /**< gps position measurement noise */ - control::BlockParamFloat _rGpsAlt; /**< gps altitude measurement noise */ - control::BlockParamFloat _rPressAlt; /**< press altitude measurement noise */ - control::BlockParamFloat _rAccel; /**< accelerometer measurement noise */ - control::BlockParamFloat _magDip; /**< magnetic inclination with level */ - control::BlockParamFloat _magDec; /**< magnetic declination, clockwise rotation */ - control::BlockParamFloat _g; /**< gravitational constant */ - control::BlockParamFloat _faultPos; /**< fault detection threshold for position */ - control::BlockParamFloat _faultAtt; /**< fault detection threshold for attitude */ - // status - bool _attitudeInitialized; - bool _positionInitialized; - uint16_t _attitudeInitCounter; - // accessors - int32_t getLatDegE7() { return int32_t(lat * 1.0e7 * M_RAD_TO_DEG); } - void setLatDegE7(int32_t val) { lat = val / 1.0e7 / M_RAD_TO_DEG; } - int32_t getLonDegE7() { return int32_t(lon * 1.0e7 * M_RAD_TO_DEG); } - void setLonDegE7(int32_t val) { lon = val / 1.0e7 / M_RAD_TO_DEG; } - int32_t getAltE3() { return int32_t(alt * 1.0e3); } - void setAltE3(int32_t val) { alt = double(val) / 1.0e3; } -}; diff --git a/src/modules/att_pos_estimator_ekf/kalman_main.cpp b/src/modules/att_pos_estimator_ekf/kalman_main.cpp deleted file mode 100644 index 3d20d4d2d..000000000 --- a/src/modules/att_pos_estimator_ekf/kalman_main.cpp +++ /dev/null @@ -1,157 +0,0 @@ -/**************************************************************************** - * - * Copyright (c) 2012, 2013 PX4 Development Team. All rights reserved. - * Author: James Goppert - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name PX4 nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/** - * @file kalman_main.cpp - * Combined attitude / position estimator. - * - * @author James Goppert - */ - -#include <nuttx/config.h> -#include <unistd.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <systemlib/systemlib.h> -#include <systemlib/param/param.h> -#include <systemlib/err.h> -#include <drivers/drv_hrt.h> -#include <math.h> -#include "KalmanNav.hpp" - -static bool thread_should_exit = false; /**< Deamon exit flag */ -static bool thread_running = false; /**< Deamon status flag */ -static int daemon_task; /**< Handle of deamon task / thread */ - -/** - * Deamon management function. - */ -extern "C" __EXPORT int att_pos_estimator_ekf_main(int argc, char *argv[]); - -/** - * Mainloop of deamon. - */ -int kalman_demo_thread_main(int argc, char *argv[]); - -/** - * Print the correct usage. - */ -static void usage(const char *reason); - -static void -usage(const char *reason) -{ - if (reason) - fprintf(stderr, "%s\n", reason); - - warnx("usage: att_pos_estimator_ekf {start|stop|status} [-p <additional params>]"); - exit(1); -} - -/** - * The deamon app only briefly exists to start - * the background job. The stack size assigned in the - * Makefile does only apply to this management task. - * - * The actual stack size should be set in the call - * to task_create(). - */ -int att_pos_estimator_ekf_main(int argc, char *argv[]) -{ - - if (argc < 1) - usage("missing command"); - - if (!strcmp(argv[1], "start")) { - - if (thread_running) { - warnx("already running"); - /* this is not an error */ - exit(0); - } - - thread_should_exit = false; - - daemon_task = task_spawn_cmd("att_pos_estimator_ekf", - SCHED_DEFAULT, - SCHED_PRIORITY_MAX - 30, - 8192, - kalman_demo_thread_main, - (argv) ? (const char **)&argv[2] : (const char **)NULL); - exit(0); - } - - if (!strcmp(argv[1], "stop")) { - thread_should_exit = true; - exit(0); - } - - if (!strcmp(argv[1], "status")) { - if (thread_running) { - warnx("is running\n"); - exit(0); - - } else { - warnx("not started\n"); - exit(1); - } - - } - - usage("unrecognized command"); - exit(1); -} - -int kalman_demo_thread_main(int argc, char *argv[]) -{ - - warnx("starting"); - - using namespace math; - - thread_running = true; - - KalmanNav nav(NULL, "KF"); - - while (!thread_should_exit) { - nav.update(); - } - - warnx("exiting."); - - thread_running = false; - - return 0; -} diff --git a/src/modules/att_pos_estimator_ekf/module.mk b/src/modules/att_pos_estimator_ekf/module.mk deleted file mode 100644 index 8d4a40d95..000000000 --- a/src/modules/att_pos_estimator_ekf/module.mk +++ /dev/null @@ -1,42 +0,0 @@ -############################################################################ -# -# Copyright (c) 2012, 2013 PX4 Development Team. All rights reserved. -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions -# are met: -# -# 1. Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# 2. Redistributions in binary form must reproduce the above copyright -# notice, this list of conditions and the following disclaimer in -# the documentation and/or other materials provided with the -# distribution. -# 3. Neither the name PX4 nor the names of its contributors may be -# used to endorse or promote products derived from this software -# without specific prior written permission. -# -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS -# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE -# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, -# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, -# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS -# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED -# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN -# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -# POSSIBILITY OF SUCH DAMAGE. -# -############################################################################ - -# -# Full attitude / position Extended Kalman Filter -# - -MODULE_COMMAND = att_pos_estimator_ekf - -SRCS = kalman_main.cpp \ - KalmanNav.cpp \ - params.c diff --git a/src/modules/att_pos_estimator_ekf/params.c b/src/modules/att_pos_estimator_ekf/params.c deleted file mode 100644 index 4af5edead..000000000 --- a/src/modules/att_pos_estimator_ekf/params.c +++ /dev/null @@ -1,49 +0,0 @@ -/**************************************************************************** - * - * Copyright (c) 2012, 2013 PX4 Development Team. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name PX4 nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -#include <systemlib/param/param.h> - -/*PARAM_DEFINE_FLOAT(NAME,0.0f);*/ -PARAM_DEFINE_FLOAT(KF_V_GYRO, 0.008f); -PARAM_DEFINE_FLOAT(KF_V_ACCEL, 1.0f); -PARAM_DEFINE_FLOAT(KF_R_MAG, 0.8f); -PARAM_DEFINE_FLOAT(KF_R_GPS_VEL, 0.5f); -PARAM_DEFINE_FLOAT(KF_R_GPS_POS, 2.0f); -PARAM_DEFINE_FLOAT(KF_R_GPS_ALT, 3.0f); -PARAM_DEFINE_FLOAT(KF_R_PRESS_ALT, 0.1f); -PARAM_DEFINE_FLOAT(KF_R_ACCEL, 1.0f); -PARAM_DEFINE_FLOAT(KF_FAULT_POS, 10.0f); -PARAM_DEFINE_FLOAT(KF_FAULT_ATT, 10.0f); -PARAM_DEFINE_FLOAT(KF_ENV_G, 9.765f); -PARAM_DEFINE_FLOAT(KF_ENV_MAG_DIP, 60.0f); -PARAM_DEFINE_FLOAT(KF_ENV_MAG_DEC, 0.0f); diff --git a/src/modules/attitude_estimator_ekf/attitude_estimator_ekf_main.cpp b/src/modules/attitude_estimator_ekf/attitude_estimator_ekf_main.cpp index c61b6ff3f..66a949af1 100755 --- a/src/modules/attitude_estimator_ekf/attitude_estimator_ekf_main.cpp +++ b/src/modules/attitude_estimator_ekf/attitude_estimator_ekf_main.cpp @@ -1,8 +1,6 @@ /**************************************************************************** * - * Copyright (C) 2012 PX4 Development Team. All rights reserved. - * Author: Tobias Naegeli <naegelit@student.ethz.ch> - * Lorenz Meier <lm@inf.ethz.ch> + * Copyright (c) 2012-2014 PX4 Development Team. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -34,9 +32,12 @@ ****************************************************************************/ /* - * @file attitude_estimator_ekf_main.c + * @file attitude_estimator_ekf_main.cpp * * Extended Kalman Filter for Attitude Estimation. + * + * @author Tobias Naegeli <naegelit@student.ethz.ch> + * @author Lorenz Meier <lm@inf.ethz.ch> */ #include <nuttx/config.h> @@ -111,7 +112,7 @@ usage(const char *reason) * Makefile does only apply to this management task. * * The actual stack size should be set in the call - * to task_create(). + * to task_spawn_cmd(). */ int attitude_estimator_ekf_main(int argc, char *argv[]) { @@ -265,7 +266,6 @@ const unsigned int loop_interval_alarm = 6500; // loop interval in microseconds orb_advert_t pub_att = orb_advertise(ORB_ID(vehicle_attitude), &att); int loopcounter = 0; - int printcounter = 0; thread_running = true; @@ -273,9 +273,6 @@ const unsigned int loop_interval_alarm = 6500; // loop interval in microseconds // struct debug_key_value_s dbg = { .key = "", .value = 0.0f }; // orb_advert_t pub_dbg = -1; - float sensor_update_hz[3] = {0.0f, 0.0f, 0.0f}; - // XXX write this out to perf regs - /* keep track of sensor updates */ uint64_t sensor_last_timestamp[3] = {0, 0, 0}; @@ -286,11 +283,9 @@ const unsigned int loop_interval_alarm = 6500; // loop interval in microseconds /* initialize parameter handles */ parameters_init(&ekf_param_handles); - uint64_t start_time = hrt_absolute_time(); bool initialized = false; float gyro_offsets[3] = { 0.0f, 0.0f, 0.0f }; - unsigned offset_count = 0; /* rotation matrix for magnetic declination */ math::Matrix<3, 3> R_decl; @@ -381,7 +376,7 @@ const unsigned int loop_interval_alarm = 6500; // loop interval in microseconds /* Fill in gyro measurements */ if (sensor_last_timestamp[0] != raw.timestamp) { update_vect[0] = 1; - sensor_update_hz[0] = 1e6f / (raw.timestamp - sensor_last_timestamp[0]); + // sensor_update_hz[0] = 1e6f / (raw.timestamp - sensor_last_timestamp[0]); sensor_last_timestamp[0] = raw.timestamp; } @@ -392,7 +387,7 @@ const unsigned int loop_interval_alarm = 6500; // loop interval in microseconds /* update accelerometer measurements */ if (sensor_last_timestamp[1] != raw.accelerometer_timestamp) { update_vect[1] = 1; - sensor_update_hz[1] = 1e6f / (raw.timestamp - sensor_last_timestamp[1]); + // sensor_update_hz[1] = 1e6f / (raw.timestamp - sensor_last_timestamp[1]); sensor_last_timestamp[1] = raw.accelerometer_timestamp; } @@ -444,7 +439,7 @@ const unsigned int loop_interval_alarm = 6500; // loop interval in microseconds /* update magnetometer measurements */ if (sensor_last_timestamp[2] != raw.magnetometer_timestamp) { update_vect[2] = 1; - sensor_update_hz[2] = 1e6f / (raw.timestamp - sensor_last_timestamp[2]); + // sensor_update_hz[2] = 1e6f / (raw.timestamp - sensor_last_timestamp[2]); sensor_last_timestamp[2] = raw.magnetometer_timestamp; } @@ -497,8 +492,6 @@ const unsigned int loop_interval_alarm = 6500; // loop interval in microseconds continue; } - uint64_t timing_start = hrt_absolute_time(); - attitudeKalmanfilter(update_vect, dt, z_k, x_aposteriori_k, P_aposteriori_k, ekf_params.q, ekf_params.r, euler, Rot_matrix, x_aposteriori, P_aposteriori); diff --git a/src/modules/attitude_estimator_ekf/module.mk b/src/modules/attitude_estimator_ekf/module.mk index d98647f99..99d0c5bf2 100644 --- a/src/modules/attitude_estimator_ekf/module.mk +++ b/src/modules/attitude_estimator_ekf/module.mk @@ -50,3 +50,5 @@ SRCS = attitude_estimator_ekf_main.cpp \ codegen/rtGetNaN.c \ codegen/norm.c \ codegen/cross.c + +MODULE_STACKSIZE = 1200 diff --git a/src/modules/attitude_estimator_so3/attitude_estimator_so3_main.cpp b/src/modules/attitude_estimator_so3/attitude_estimator_so3_main.cpp index 3653defa6..e55b01160 100755 --- a/src/modules/attitude_estimator_so3/attitude_estimator_so3_main.cpp +++ b/src/modules/attitude_estimator_so3/attitude_estimator_so3_main.cpp @@ -1,8 +1,6 @@ /**************************************************************************** * - * Copyright (C) 2013 PX4 Development Team. All rights reserved. - * Author: Hyon Lim <limhyon@gmail.com> - * Anton Babushkin <anton.babushkin@me.com> + * Copyright (c) 2013 PX4 Development Team. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -36,6 +34,9 @@ /* * @file attitude_estimator_so3_main.cpp * + * @author Hyon Lim <limhyon@gmail.com> + * @author Anton Babushkin <anton.babushkin@me.com> + * * Implementation of nonlinear complementary filters on the SO(3). * This code performs attitude estimation by using accelerometer, gyroscopes and magnetometer. * Result is provided as quaternion, 1-2-3 Euler angle and rotation matrix. @@ -131,7 +132,7 @@ usage(const char *reason) * Makefile does only apply to this management task. * * The actual stack size should be set in the call - * to task_create(). + * to task_spawn_cmd(). */ int attitude_estimator_so3_main(int argc, char *argv[]) { diff --git a/src/modules/attitude_estimator_so3/module.mk b/src/modules/attitude_estimator_so3/module.mk index e29bb16a6..f52715abb 100644 --- a/src/modules/attitude_estimator_so3/module.mk +++ b/src/modules/attitude_estimator_so3/module.mk @@ -6,3 +6,5 @@ MODULE_COMMAND = attitude_estimator_so3 SRCS = attitude_estimator_so3_main.cpp \ attitude_estimator_so3_params.c + +MODULE_STACKSIZE = 1200 diff --git a/src/modules/commander/accelerometer_calibration.cpp b/src/modules/commander/accelerometer_calibration.cpp index 1cbdf9bf8..7180048ff 100644 --- a/src/modules/commander/accelerometer_calibration.cpp +++ b/src/modules/commander/accelerometer_calibration.cpp @@ -194,13 +194,13 @@ int do_accel_calibration(int mavlink_fd) int32_t board_rotation_int; param_get(board_rotation_h, &(board_rotation_int)); enum Rotation board_rotation_id = (enum Rotation)board_rotation_int; - math::Matrix<3,3> board_rotation; + math::Matrix<3, 3> board_rotation; get_rot_matrix(board_rotation_id, &board_rotation); - math::Matrix<3,3> board_rotation_t = board_rotation.transposed(); + math::Matrix<3, 3> board_rotation_t = board_rotation.transposed(); math::Vector<3> accel_offs_vec(&accel_offs[0]); - math::Vector<3> accel_offs_rotated = board_rotation_t * accel_offs_vec; - math::Matrix<3,3> accel_T_mat(&accel_T[0][0]); - math::Matrix<3,3> accel_T_rotated = board_rotation_t * accel_T_mat * board_rotation; + math::Vector<3> accel_offs_rotated = board_rotation_t *accel_offs_vec; + math::Matrix<3, 3> accel_T_mat(&accel_T[0][0]); + math::Matrix<3, 3> accel_T_rotated = board_rotation_t *accel_T_mat * board_rotation; accel_scale.x_offset = accel_offs_rotated(0); accel_scale.x_scale = accel_T_rotated(0, 0); @@ -277,11 +277,13 @@ int do_accel_calibration_measurements(int mavlink_fd, float accel_offs[3], float } } - if (old_done_count != done_count) + if (old_done_count != done_count) { mavlink_log_info(mavlink_fd, CAL_PROGRESS_MSG, sensor_name, 17 * done_count); + } - if (done) + if (done) { break; + } mavlink_log_info(mavlink_fd, "directions left: %s%s%s%s%s%s", (!data_collected[0]) ? "x+ " : "", @@ -380,11 +382,13 @@ int detect_orientation(int mavlink_fd, int sub_sensor_combined) d = d * d; accel_disp[i] = accel_disp[i] * (1.0f - w); - if (d > still_thr2 * 8.0f) + if (d > still_thr2 * 8.0f) { d = still_thr2 * 8.0f; + } - if (d > accel_disp[i]) + if (d > accel_disp[i]) { accel_disp[i] = d; + } } /* still detector with hysteresis */ @@ -432,33 +436,39 @@ int detect_orientation(int mavlink_fd, int sub_sensor_combined) if (fabsf(accel_ema[0] - CONSTANTS_ONE_G) < accel_err_thr && fabsf(accel_ema[1]) < accel_err_thr && - fabsf(accel_ema[2]) < accel_err_thr) - return 0; // [ g, 0, 0 ] + fabsf(accel_ema[2]) < accel_err_thr) { + return 0; // [ g, 0, 0 ] + } if (fabsf(accel_ema[0] + CONSTANTS_ONE_G) < accel_err_thr && fabsf(accel_ema[1]) < accel_err_thr && - fabsf(accel_ema[2]) < accel_err_thr) - return 1; // [ -g, 0, 0 ] + fabsf(accel_ema[2]) < accel_err_thr) { + return 1; // [ -g, 0, 0 ] + } if (fabsf(accel_ema[0]) < accel_err_thr && fabsf(accel_ema[1] - CONSTANTS_ONE_G) < accel_err_thr && - fabsf(accel_ema[2]) < accel_err_thr) - return 2; // [ 0, g, 0 ] + fabsf(accel_ema[2]) < accel_err_thr) { + return 2; // [ 0, g, 0 ] + } if (fabsf(accel_ema[0]) < accel_err_thr && fabsf(accel_ema[1] + CONSTANTS_ONE_G) < accel_err_thr && - fabsf(accel_ema[2]) < accel_err_thr) - return 3; // [ 0, -g, 0 ] + fabsf(accel_ema[2]) < accel_err_thr) { + return 3; // [ 0, -g, 0 ] + } if (fabsf(accel_ema[0]) < accel_err_thr && fabsf(accel_ema[1]) < accel_err_thr && - fabsf(accel_ema[2] - CONSTANTS_ONE_G) < accel_err_thr) - return 4; // [ 0, 0, g ] + fabsf(accel_ema[2] - CONSTANTS_ONE_G) < accel_err_thr) { + return 4; // [ 0, 0, g ] + } if (fabsf(accel_ema[0]) < accel_err_thr && fabsf(accel_ema[1]) < accel_err_thr && - fabsf(accel_ema[2] + CONSTANTS_ONE_G) < accel_err_thr) - return 5; // [ 0, 0, -g ] + fabsf(accel_ema[2] + CONSTANTS_ONE_G) < accel_err_thr) { + return 5; // [ 0, 0, -g ] + } mavlink_log_critical(mavlink_fd, "ERROR: invalid orientation"); @@ -485,8 +495,9 @@ int read_accelerometer_avg(int sensor_combined_sub, float accel_avg[3], int samp struct sensor_combined_s sensor; orb_copy(ORB_ID(sensor_combined), sensor_combined_sub, &sensor); - for (int i = 0; i < 3; i++) + for (int i = 0; i < 3; i++) { accel_sum[i] += sensor.accelerometer_m_s2[i]; + } count++; @@ -495,8 +506,9 @@ int read_accelerometer_avg(int sensor_combined_sub, float accel_avg[3], int samp continue; } - if (errcount > samples_num / 10) + if (errcount > samples_num / 10) { return ERROR; + } } for (int i = 0; i < 3; i++) { @@ -512,8 +524,9 @@ int mat_invert3(float src[3][3], float dst[3][3]) src[0][1] * (src[1][0] * src[2][2] - src[1][2] * src[2][0]) + src[0][2] * (src[1][0] * src[2][1] - src[1][1] * src[2][0]); - if (det == 0.0f) - return ERROR; // Singular matrix + if (det == 0.0f) { + return ERROR; // Singular matrix + } dst[0][0] = (src[1][1] * src[2][2] - src[1][2] * src[2][1]) / det; dst[1][0] = (src[1][2] * src[2][0] - src[1][0] * src[2][2]) / det; @@ -549,8 +562,9 @@ int calculate_calibration_values(float accel_ref[6][3], float accel_T[3][3], flo /* calculate inverse matrix for A */ float mat_A_inv[3][3]; - if (mat_invert3(mat_A, mat_A_inv) != OK) + if (mat_invert3(mat_A, mat_A_inv) != OK) { return ERROR; + } /* copy results to accel_T */ for (int i = 0; i < 3; i++) { diff --git a/src/modules/commander/airspeed_calibration.cpp b/src/modules/commander/airspeed_calibration.cpp index c8c7a42e7..5d21d89d0 100644 --- a/src/modules/commander/airspeed_calibration.cpp +++ b/src/modules/commander/airspeed_calibration.cpp @@ -82,12 +82,15 @@ int do_airspeed_calibration(int mavlink_fd) bool paramreset_successful = false; int fd = open(AIRSPEED_DEVICE_PATH, 0); + if (fd > 0) { if (OK == ioctl(fd, AIRSPEEDIOCSSCALE, (long unsigned int)&airscale)) { paramreset_successful = true; + } else { mavlink_log_critical(mavlink_fd, "airspeed offset zero failed"); } + close(fd); } @@ -112,8 +115,9 @@ int do_airspeed_calibration(int mavlink_fd) diff_pres_offset += diff_pres.differential_pressure_raw_pa; calibration_counter++; - if (calibration_counter % (calibration_count / 20) == 0) + if (calibration_counter % (calibration_count / 20) == 0) { mavlink_log_info(mavlink_fd, CAL_PROGRESS_MSG, sensor_name, (calibration_counter * 100) / calibration_count); + } } else if (poll_ret == 0) { /* any poll failure for 1s is a reason to abort */ diff --git a/src/modules/commander/commander.cpp b/src/modules/commander/commander.cpp index 53ed34f46..5c0628a16 100644 --- a/src/modules/commander/commander.cpp +++ b/src/modules/commander/commander.cpp @@ -117,9 +117,10 @@ extern struct system_load_s system_load; #define STICK_ON_OFF_HYSTERESIS_TIME_MS 1000 #define STICK_ON_OFF_COUNTER_LIMIT (STICK_ON_OFF_HYSTERESIS_TIME_MS*COMMANDER_MONITORING_LOOPSPERMSEC) -#define POSITION_TIMEOUT 100000 /**< consider the local or global position estimate invalid after 100ms */ -#define RC_TIMEOUT 500000 -#define DIFFPRESS_TIMEOUT 2000000 +#define POSITION_TIMEOUT (600 * 1000) /**< consider the local or global position estimate invalid after 600ms */ +#define FAILSAFE_DEFAULT_TIMEOUT (3 * 1000 * 1000) /**< hysteresis time - the failsafe will trigger after 3 seconds in this state */ +#define RC_TIMEOUT 500000 +#define DIFFPRESS_TIMEOUT 2000000 #define PRINT_INTERVAL 5000000 #define PRINT_MODE_REJECT_INTERVAL 2000000 @@ -220,7 +221,7 @@ void print_status(); transition_result_t check_navigation_state_machine(struct vehicle_status_s *status, struct vehicle_control_mode_s *control_mode, struct vehicle_local_position_s *local_pos); -transition_result_t arm_disarm(bool arm, const int mavlink_fd, const char* armedBy); +transition_result_t arm_disarm(bool arm, const int mavlink_fd, const char *armedBy); /** * Loop that runs at a lower rate and priority for calibration and parameter tasks. @@ -232,8 +233,9 @@ void answer_command(struct vehicle_command_s &cmd, enum VEHICLE_CMD_RESULT resul int commander_main(int argc, char *argv[]) { - if (argc < 1) + if (argc < 1) { usage("missing command"); + } if (!strcmp(argv[1], "start")) { @@ -247,7 +249,7 @@ int commander_main(int argc, char *argv[]) daemon_task = task_spawn_cmd("commander", SCHED_DEFAULT, SCHED_PRIORITY_MAX - 40, - 3000, + 2950, commander_thread_main, (argv) ? (const char **)&argv[2] : (const char **)NULL); @@ -260,8 +262,9 @@ int commander_main(int argc, char *argv[]) if (!strcmp(argv[1], "stop")) { - if (!thread_running) + if (!thread_running) { errx(0, "commander already stopped"); + } thread_should_exit = true; @@ -303,8 +306,9 @@ int commander_main(int argc, char *argv[]) void usage(const char *reason) { - if (reason) + if (reason) { fprintf(stderr, "%s\n", reason); + } fprintf(stderr, "usage: daemon {start|stop|status} [-p <additional params>]\n\n"); exit(1); @@ -363,20 +367,22 @@ void print_status() static orb_advert_t status_pub; -transition_result_t arm_disarm(bool arm, const int mavlink_fd, const char* armedBy) +transition_result_t arm_disarm(bool arm, const int mavlink_fd, const char *armedBy) { - transition_result_t arming_res = TRANSITION_NOT_CHANGED; - - // Transition the armed state. By passing mavlink_fd to arming_state_transition it will - // output appropriate error messages if the state cannot transition. - arming_res = arming_state_transition(&status, &safety, arm ? ARMING_STATE_ARMED : ARMING_STATE_STANDBY, &armed, mavlink_fd); - if (arming_res == TRANSITION_CHANGED && mavlink_fd) { - mavlink_log_info(mavlink_fd, "[cmd] %s by %s", arm ? "ARMED" : "DISARMED", armedBy); - } else if (arming_res == TRANSITION_DENIED) { - tune_negative(true); - } - - return arming_res; + transition_result_t arming_res = TRANSITION_NOT_CHANGED; + + // Transition the armed state. By passing mavlink_fd to arming_state_transition it will + // output appropriate error messages if the state cannot transition. + arming_res = arming_state_transition(&status, &safety, arm ? ARMING_STATE_ARMED : ARMING_STATE_STANDBY, &armed, mavlink_fd); + + if (arming_res == TRANSITION_CHANGED && mavlink_fd) { + mavlink_log_info(mavlink_fd, "[cmd] %s by %s", arm ? "ARMED" : "DISARMED", armedBy); + + } else if (arming_res == TRANSITION_DENIED) { + tune_negative(true); + } + + return arming_res; } bool handle_command(struct vehicle_status_s *status, const struct safety_s *safety, struct vehicle_command_s *cmd, struct actuator_armed_s *armed, struct home_position_s *home, struct vehicle_global_position_s *global_pos, orb_advert_t *home_pub) @@ -416,14 +422,16 @@ bool handle_command(struct vehicle_status_s *status, const struct safety_s *safe } } - if (hil_ret == OK) + if (hil_ret == OK) { ret = true; + } - // Transition the arming state - arming_res = arm_disarm(base_mode & MAV_MODE_FLAG_SAFETY_ARMED, mavlink_fd, "set mode command"); + // Transition the arming state + arming_res = arm_disarm(base_mode & MAV_MODE_FLAG_SAFETY_ARMED, mavlink_fd, "set mode command"); - if (arming_res == TRANSITION_CHANGED) + if (arming_res == TRANSITION_CHANGED) { ret = true; + } /* set main state */ transition_result_t main_res = TRANSITION_DENIED; @@ -434,17 +442,21 @@ bool handle_command(struct vehicle_status_s *status, const struct safety_s *safe /* MANUAL */ main_res = main_state_transition(status, MAIN_STATE_MANUAL); - } else if (custom_main_mode == PX4_CUSTOM_MAIN_MODE_SEATBELT) { - /* SEATBELT */ - main_res = main_state_transition(status, MAIN_STATE_SEATBELT); + } else if (custom_main_mode == PX4_CUSTOM_MAIN_MODE_ALTCTL) { + /* ALTCTL */ + main_res = main_state_transition(status, MAIN_STATE_ALTCTL); - } else if (custom_main_mode == PX4_CUSTOM_MAIN_MODE_EASY) { - /* EASY */ - main_res = main_state_transition(status, MAIN_STATE_EASY); + } else if (custom_main_mode == PX4_CUSTOM_MAIN_MODE_POSCTL) { + /* POSCTL */ + main_res = main_state_transition(status, MAIN_STATE_POSCTL); } else if (custom_main_mode == PX4_CUSTOM_MAIN_MODE_AUTO) { /* AUTO */ main_res = main_state_transition(status, MAIN_STATE_AUTO); + + } else if (custom_main_mode == PX4_CUSTOM_MAIN_MODE_ACRO) { + /* ACRO */ + main_res = main_state_transition(status, MAIN_STATE_ACRO); } } else { @@ -455,8 +467,8 @@ bool handle_command(struct vehicle_status_s *status, const struct safety_s *safe } else if (base_mode & MAV_MODE_FLAG_MANUAL_INPUT_ENABLED) { if (base_mode & MAV_MODE_FLAG_GUIDED_ENABLED) { - /* EASY */ - main_res = main_state_transition(status, MAIN_STATE_EASY); + /* POSCTL */ + main_res = main_state_transition(status, MAIN_STATE_POSCTL); } else if (base_mode & MAV_MODE_FLAG_STABILIZE_ENABLED) { /* MANUAL */ @@ -465,8 +477,9 @@ bool handle_command(struct vehicle_status_s *status, const struct safety_s *safe } } - if (main_res == TRANSITION_CHANGED) + if (main_res == TRANSITION_CHANGED) { ret = true; + } if (arming_res != TRANSITION_DENIED && main_res != TRANSITION_DENIED) { result = VEHICLE_CMD_RESULT_ACCEPTED; @@ -479,19 +492,28 @@ bool handle_command(struct vehicle_status_s *status, const struct safety_s *safe } case VEHICLE_CMD_COMPONENT_ARM_DISARM: { - // Follow exactly what the mavlink spec says for values: 0.0f for disarm, 1.0f for arm. - // We use an float epsilon delta to test float equality. - if (cmd->param1 != 0.0f && (fabsf(cmd->param1 - 1.0f) > 2.0f * FLT_EPSILON)) { + // Follow exactly what the mavlink spec says for values: 0.0f for disarm, 1.0f for arm. + // We use an float epsilon delta to test float equality. + if (cmd->param1 != 0.0f && (fabsf(cmd->param1 - 1.0f) > 2.0f * FLT_EPSILON)) { mavlink_log_info(mavlink_fd, "Unsupported ARM_DISARM parameter: %.6f", cmd->param1); - } else { - transition_result_t arming_res = arm_disarm(cmd->param1 != 0.0f, mavlink_fd, "arm/disarm component command"); - if (arming_res == TRANSITION_DENIED) { - mavlink_log_critical(mavlink_fd, "#audio: REJECTING component arm cmd"); - result = VEHICLE_CMD_RESULT_TEMPORARILY_REJECTED; - } else { - result = VEHICLE_CMD_RESULT_ACCEPTED; - } - } + + } else { + + // Flick to inair restore first if this comes from an onboard system + if (cmd->source_system == status->system_id && cmd->source_component == status->component_id) { + status->arming_state = ARMING_STATE_IN_AIR_RESTORE; + } + + transition_result_t arming_res = arm_disarm(cmd->param1 != 0.0f, mavlink_fd, "arm/disarm component command"); + + if (arming_res == TRANSITION_DENIED) { + mavlink_log_critical(mavlink_fd, "#audio: REJECTING component arm cmd"); + result = VEHICLE_CMD_RESULT_TEMPORARILY_REJECTED; + + } else { + result = VEHICLE_CMD_RESULT_ACCEPTED; + } + } } break; @@ -519,7 +541,7 @@ bool handle_command(struct vehicle_status_s *status, const struct safety_s *safe } break; - /* Flight termination */ + /* Flight termination */ case VEHICLE_CMD_DO_SET_SERVO: { //xxx: needs its own mavlink command //XXX: to enable the parachute, a param needs to be set @@ -539,6 +561,7 @@ bool handle_command(struct vehicle_status_s *status, const struct safety_s *safe case VEHICLE_CMD_DO_SET_HOME: { bool use_current = cmd->param1 > 0.5f; + if (use_current) { /* use current position */ if (status->condition_global_position_valid) { @@ -582,6 +605,7 @@ bool handle_command(struct vehicle_status_s *status, const struct safety_s *safe } } break; + case VEHICLE_CMD_PREFLIGHT_REBOOT_SHUTDOWN: case VEHICLE_CMD_PREFLIGHT_CALIBRATION: case VEHICLE_CMD_PREFLIGHT_SET_SENSOR_OFFSETS: @@ -595,6 +619,7 @@ bool handle_command(struct vehicle_status_s *status, const struct safety_s *safe answer_command(*cmd, VEHICLE_CMD_RESULT_UNSUPPORTED); break; } + if (result != VEHICLE_CMD_RESULT_UNSUPPORTED) { /* already warned about unsupported commands in "default" case */ answer_command(*cmd, result); @@ -628,9 +653,10 @@ int commander_thread_main(int argc, char *argv[]) char *main_states_str[MAIN_STATE_MAX]; main_states_str[0] = "MANUAL"; - main_states_str[1] = "SEATBELT"; - main_states_str[2] = "EASY"; + main_states_str[1] = "ALTCTL"; + main_states_str[2] = "POSCTL"; main_states_str[3] = "AUTO"; + main_states_str[4] = "ACRO"; char *arming_states_str[ARMING_STATE_MAX]; arming_states_str[0] = "INIT"; @@ -722,7 +748,7 @@ int commander_thread_main(int argc, char *argv[]) pthread_attr_t commander_low_prio_attr; pthread_attr_init(&commander_low_prio_attr); - pthread_attr_setstacksize(&commander_low_prio_attr, 2992); + pthread_attr_setstacksize(&commander_low_prio_attr, 2900); struct sched_param param; (void)pthread_attr_getschedparam(&commander_low_prio_attr, ¶m); @@ -741,8 +767,9 @@ int commander_thread_main(int argc, char *argv[]) bool low_battery_voltage_actions_done = false; bool critical_battery_voltage_actions_done = false; - uint64_t last_idle_time = 0; - uint64_t start_time = 0; + hrt_abstime last_idle_time = 0; + hrt_abstime start_time = 0; + hrt_abstime last_auto_state_valid = 0; bool status_changed = true; bool param_init_forced = true; @@ -771,6 +798,9 @@ int commander_thread_main(int argc, char *argv[]) int global_position_sub = orb_subscribe(ORB_ID(vehicle_global_position)); struct vehicle_global_position_s global_position; memset(&global_position, 0, sizeof(global_position)); + /* Init EPH and EPV */ + global_position.eph = 1000.0f; + global_position.epv = 1000.0f; /* Subscribe to local position data */ int local_position_sub = orb_subscribe(ORB_ID(vehicle_local_position)); @@ -873,6 +903,7 @@ int commander_thread_main(int argc, char *argv[]) /* re-check RC calibration */ rc_calibration_ok = (OK == rc_calibration_check(mavlink_fd)); } + /* navigation parameters */ param_get(_param_takeoff_alt, &takeoff_alt); param_get(_param_enable_parachute, ¶chute_enabled); @@ -913,6 +944,7 @@ int commander_thread_main(int argc, char *argv[]) /* disarm if safety is now on and still armed */ if (status.hil_state == HIL_STATE_OFF && safety.safety_switch_available && !safety.safety_off && armed.armed) { arming_state_t new_arming_state = (status.arming_state == ARMING_STATE_ARMED ? ARMING_STATE_STANDBY : ARMING_STATE_STANDBY_ERROR); + if (TRANSITION_CHANGED == arming_state_transition(&status, &safety, new_arming_state, &armed)) { mavlink_log_info(mavlink_fd, "[cmd] DISARMED by safety switch"); } @@ -930,23 +962,31 @@ int commander_thread_main(int argc, char *argv[]) /* update condition_global_position_valid */ /* hysteresis for EPH/EPV */ bool eph_epv_good; + if (status.condition_global_position_valid) { if (global_position.eph > eph_epv_threshold * 2.0f || global_position.epv > eph_epv_threshold * 2.0f) { eph_epv_good = false; + + } else { + eph_epv_good = true; } } else { if (global_position.eph < eph_epv_threshold && global_position.epv < eph_epv_threshold) { eph_epv_good = true; + + } else { + eph_epv_good = false; } } + check_valid(global_position.timestamp, POSITION_TIMEOUT, eph_epv_good, &(status.condition_global_position_valid), &status_changed); /* check if GPS fix is ok */ /* update home position */ if (!status.condition_home_position_valid && status.condition_global_position_valid && !armed.armed && - (global_position.eph < eph_epv_threshold) && (global_position.epv < eph_epv_threshold)) { + (global_position.eph < eph_epv_threshold) && (global_position.epv < eph_epv_threshold)) { home.lat = global_position.lat; home.lon = global_position.lon; @@ -977,10 +1017,30 @@ int commander_thread_main(int argc, char *argv[]) } /* update condition_local_position_valid and condition_local_altitude_valid */ - check_valid(local_position.timestamp, POSITION_TIMEOUT, local_position.xy_valid && eph_epv_good, &(status.condition_local_position_valid), &status_changed); + /* hysteresis for EPH */ + bool local_eph_good; + + if (status.condition_global_position_valid) { + if (local_position.eph > eph_epv_threshold * 2.0f) { + local_eph_good = false; + + } else { + local_eph_good = true; + } + + } else { + if (local_position.eph < eph_epv_threshold) { + local_eph_good = true; + + } else { + local_eph_good = false; + } + } + check_valid(local_position.timestamp, POSITION_TIMEOUT, local_position.xy_valid && local_eph_good, &(status.condition_local_position_valid), &status_changed); check_valid(local_position.timestamp, POSITION_TIMEOUT, local_position.z_valid, &(status.condition_local_altitude_valid), &status_changed); static bool published_condition_landed_fw = false; + if (status.is_rotary_wing && status.condition_local_altitude_valid) { if (status.condition_landed != local_position.landed) { status.condition_landed = local_position.landed; @@ -994,6 +1054,7 @@ int commander_thread_main(int argc, char *argv[]) mavlink_log_critical(mavlink_fd, "#audio: IN AIR"); } } + } else { if (!published_condition_landed_fw) { status.condition_landed = false; // Fixedwing does not have a landing detector currently @@ -1063,8 +1124,9 @@ int commander_thread_main(int argc, char *argv[]) /* compute system load */ uint64_t interval_runtime = system_load.tasks[0].total_runtime - last_idle_time; - if (last_idle_time > 0) - status.load = 1.0f - ((float)interval_runtime / 1e6f); //system load is time spent in non-idle + if (last_idle_time > 0) { + status.load = 1.0f - ((float)interval_runtime / 1e6f); //system load is time spent in non-idle + } last_idle_time = system_load.tasks[0].total_runtime; @@ -1140,22 +1202,22 @@ int commander_thread_main(int argc, char *argv[]) status.rc_signal_lost = false; - transition_result_t res; // store all transitions results here + transition_result_t arming_res; // store all transitions results here /* arm/disarm by RC */ - res = TRANSITION_NOT_CHANGED; + arming_res = TRANSITION_NOT_CHANGED; - /* check if left stick is in lower left position and we are in MANUAL or AUTO_READY mode or (ASSISTED mode and landed) -> disarm + /* check if left stick is in lower left position and we are in MANUAL or AUTO_READY mode or (ASSIST mode and landed) -> disarm * do it only for rotary wings */ if (status.is_rotary_wing && (status.arming_state == ARMING_STATE_ARMED || status.arming_state == ARMING_STATE_ARMED_ERROR) && - (status.main_state == MAIN_STATE_MANUAL || status.condition_landed) && - sp_man.yaw < -STICK_ON_OFF_LIMIT && sp_man.throttle < 0.1f) { + (status.main_state == MAIN_STATE_MANUAL || status.main_state == MAIN_STATE_ACRO || status.condition_landed) && + sp_man.r < -STICK_ON_OFF_LIMIT && sp_man.z < 0.1f) { if (stick_off_counter > STICK_ON_OFF_COUNTER_LIMIT) { /* disarm to STANDBY if ARMED or to STANDBY_ERROR if ARMED_ERROR */ arming_state_t new_arming_state = (status.arming_state == ARMING_STATE_ARMED ? ARMING_STATE_STANDBY : ARMING_STATE_STANDBY_ERROR); - res = arming_state_transition(&status, &safety, new_arming_state, &armed); + arming_res = arming_state_transition(&status, &safety, new_arming_state, &armed); stick_off_counter = 0; } else { @@ -1168,16 +1230,16 @@ int commander_thread_main(int argc, char *argv[]) /* check if left stick is in lower right position and we're in MANUAL mode -> arm */ if (status.arming_state == ARMING_STATE_STANDBY && - sp_man.yaw > STICK_ON_OFF_LIMIT && sp_man.throttle < 0.1f) { + sp_man.r > STICK_ON_OFF_LIMIT && sp_man.z < 0.1f) { if (stick_on_counter > STICK_ON_OFF_COUNTER_LIMIT) { if (safety.safety_switch_available && !safety.safety_off && status.hil_state == HIL_STATE_OFF) { - print_reject_arm("NOT ARMING: Press safety switch first."); + print_reject_arm("#audio: NOT ARMING: Press safety switch first."); } else if (status.main_state != MAIN_STATE_MANUAL) { - print_reject_arm("NOT ARMING: Switch to MANUAL mode first."); + print_reject_arm("#audio: NOT ARMING: Switch to MANUAL mode first."); } else { - res = arming_state_transition(&status, &safety, ARMING_STATE_ARMED, &armed); + arming_res = arming_state_transition(&status, &safety, ARMING_STATE_ARMED, &armed); } stick_on_counter = 0; @@ -1190,7 +1252,7 @@ int commander_thread_main(int argc, char *argv[]) stick_on_counter = 0; } - if (res == TRANSITION_CHANGED) { + if (arming_res == TRANSITION_CHANGED) { if (status.arming_state == ARMING_STATE_ARMED) { mavlink_log_info(mavlink_fd, "[cmd] ARMED by RC"); @@ -1198,24 +1260,24 @@ int commander_thread_main(int argc, char *argv[]) mavlink_log_info(mavlink_fd, "[cmd] DISARMED by RC"); } - } else if (res == TRANSITION_DENIED) { + } else if (arming_res == TRANSITION_DENIED) { /* DENIED here indicates bug in the commander */ mavlink_log_critical(mavlink_fd, "ERROR: arming state transition denied"); } if (status.failsafe_state != FAILSAFE_STATE_NORMAL) { /* recover from failsafe */ - transition_result_t res = failsafe_state_transition(&status, FAILSAFE_STATE_NORMAL); + (void)failsafe_state_transition(&status, FAILSAFE_STATE_NORMAL); } /* evaluate the main state machine according to mode switches */ - res = set_main_state_rc(&status, &sp_man); + transition_result_t main_res = set_main_state_rc(&status, &sp_man); /* play tune on mode change only if armed, blink LED always */ - if (res == TRANSITION_CHANGED) { + if (main_res == TRANSITION_CHANGED) { tune_positive(armed.armed); - } else if (res == TRANSITION_DENIED) { + } else if (main_res == TRANSITION_DENIED) { /* DENIED here indicates bug in the commander */ mavlink_log_critical(mavlink_fd, "ERROR: main state transition denied"); } @@ -1228,7 +1290,8 @@ int commander_thread_main(int argc, char *argv[]) status.set_nav_state_timestamp = hrt_absolute_time(); } else { - /* MISSION switch */ + + /* LOITER switch */ if (sp_man.loiter_switch == SWITCH_POS_ON) { /* stick is in LOITER position */ status.set_nav_state = NAV_STATE_LOITER; @@ -1240,7 +1303,7 @@ int commander_thread_main(int argc, char *argv[]) status.set_nav_state_timestamp = hrt_absolute_time(); } else if ((sp_man.return_switch == SWITCH_POS_OFF || sp_man.return_switch == SWITCH_POS_MIDDLE) && - pos_sp_triplet.nav_state == NAV_STATE_RTL) { + pos_sp_triplet.nav_state == NAV_STATE_RTL) { /* RETURN switch is in normal mode, no MISSION switch mapped, interrupt if in RTL state */ status.set_nav_state = NAV_STATE_MISSION; status.set_nav_state_timestamp = hrt_absolute_time(); @@ -1257,34 +1320,39 @@ int commander_thread_main(int argc, char *argv[]) if (armed.armed) { if (status.main_state == MAIN_STATE_AUTO) { /* check if AUTO mode still allowed */ - transition_result_t res = main_state_transition(&status, MAIN_STATE_AUTO); + transition_result_t auto_res = main_state_transition(&status, MAIN_STATE_AUTO); + + if (auto_res == TRANSITION_NOT_CHANGED) { + last_auto_state_valid = hrt_absolute_time(); + } - if (res == TRANSITION_DENIED) { + /* still invalid state after the timeout interval, execute failsafe */ + if ((hrt_elapsed_time(&last_auto_state_valid) > FAILSAFE_DEFAULT_TIMEOUT) && (auto_res == TRANSITION_DENIED)) { /* AUTO mode denied, don't try RTL, switch to failsafe state LAND */ - res = failsafe_state_transition(&status, FAILSAFE_STATE_LAND); + auto_res = failsafe_state_transition(&status, FAILSAFE_STATE_LAND); - if (res == TRANSITION_DENIED) { + if (auto_res == TRANSITION_DENIED) { /* LAND not allowed, set TERMINATION state */ - transition_result_t res = failsafe_state_transition(&status, FAILSAFE_STATE_TERMINATION); + (void)failsafe_state_transition(&status, FAILSAFE_STATE_TERMINATION); } } } else { /* failsafe for manual modes */ - transition_result_t res = TRANSITION_DENIED; + transition_result_t manual_res = TRANSITION_DENIED; if (!status.condition_landed) { /* vehicle is not landed, try to perform RTL */ - res = failsafe_state_transition(&status, FAILSAFE_STATE_RTL); + manual_res = failsafe_state_transition(&status, FAILSAFE_STATE_RTL); } - if (res == TRANSITION_DENIED) { + if (manual_res == TRANSITION_DENIED) { /* RTL not allowed (no global position estimate) or not wanted, try LAND */ - res = failsafe_state_transition(&status, FAILSAFE_STATE_LAND); + manual_res = failsafe_state_transition(&status, FAILSAFE_STATE_LAND); - if (res == TRANSITION_DENIED) { + if (manual_res == TRANSITION_DENIED) { /* LAND not allowed, set TERMINATION state */ - res = failsafe_state_transition(&status, FAILSAFE_STATE_TERMINATION); + (void)failsafe_state_transition(&status, FAILSAFE_STATE_TERMINATION); } } } @@ -1292,14 +1360,14 @@ int commander_thread_main(int argc, char *argv[]) } else { if (status.failsafe_state != FAILSAFE_STATE_NORMAL) { /* reset failsafe when disarmed */ - transition_result_t res = failsafe_state_transition(&status, FAILSAFE_STATE_NORMAL); + (void)failsafe_state_transition(&status, FAILSAFE_STATE_NORMAL); } } } // TODO remove this hack - /* flight termination in manual mode if assisted switch is on easy position */ - if (!status.is_rotary_wing && parachute_enabled && armed.armed && status.main_state == MAIN_STATE_MANUAL && sp_man.assisted_switch == SWITCH_POS_ON) { + /* flight termination in manual mode if assist switch is on POSCTL position */ + if (!status.is_rotary_wing && parachute_enabled && armed.armed && status.main_state == MAIN_STATE_MANUAL && sp_man.posctl_switch == SWITCH_POS_ON) { if (TRANSITION_CHANGED == failsafe_state_transition(&status, FAILSAFE_STATE_TERMINATION)) { tune_positive(armed.armed); } @@ -1313,8 +1381,9 @@ int commander_thread_main(int argc, char *argv[]) orb_copy(ORB_ID(vehicle_command), cmd_sub, &cmd); /* handle it */ - if (handle_command(&status, &safety, &cmd, &armed, &home, &global_position, &home_pub)) + if (handle_command(&status, &safety, &cmd, &armed, &home, &global_position, &home_pub)) { status_changed = true; + } } /* check which state machines for changes, clear "changed" flag */ @@ -1331,7 +1400,7 @@ int commander_thread_main(int argc, char *argv[]) /* update home position on arming if at least 2s from commander start spent to avoid setting home on in-air restart */ if (armed.armed && !was_armed && hrt_absolute_time() > start_time + 2000000 && status.condition_global_position_valid && - (global_position.eph < eph_epv_threshold) && (global_position.epv < eph_epv_threshold)) { + (global_position.eph < eph_epv_threshold) && (global_position.epv < eph_epv_threshold)) { // TODO remove code duplication home.lat = global_position.lat; @@ -1339,7 +1408,7 @@ int commander_thread_main(int argc, char *argv[]) home.alt = global_position.alt; warnx("home: lat = %.7f, lon = %.7f, alt = %.2f ", home.lat, home.lon, (double)home.alt); - mavlink_log_info(mavlink_fd, "[cmd] home: %.7f, %.7f, %.2f", home.lat, home.lon, (double)home.alt); + mavlink_log_info(mavlink_fd, "#audio: home: %.7f, %.7f, %.2f", home.lat, home.lon, (double)home.alt); /* announce new home position */ if (home_pub > 0) { @@ -1353,6 +1422,7 @@ int commander_thread_main(int argc, char *argv[]) status.condition_home_position_valid = true; } } + was_armed = armed.armed; if (main_state_changed) { @@ -1516,21 +1586,24 @@ control_status_leds(vehicle_status_s *status, const actuator_armed_s *actuator_a } else if (actuator_armed->ready_to_arm) { /* ready to arm, blink at 1Hz */ - if (leds_counter % 20 == 0) + if (leds_counter % 20 == 0) { led_toggle(LED_BLUE); + } } else { /* not ready to arm, blink at 10Hz */ - if (leds_counter % 2 == 0) + if (leds_counter % 2 == 0) { led_toggle(LED_BLUE); + } } #endif /* give system warnings on error LED, XXX maybe add memory usage warning too */ if (status->load > 0.95f) { - if (leds_counter % 2 == 0) + if (leds_counter % 2 == 0) { led_toggle(LED_AMBER); + } } else { led_off(LED_AMBER); @@ -1551,30 +1624,35 @@ set_main_state_rc(struct vehicle_status_s *status, struct manual_control_setpoin break; case SWITCH_POS_OFF: // MANUAL - res = main_state_transition(status, MAIN_STATE_MANUAL); + if (sp_man->acro_switch == SWITCH_POS_ON) { + res = main_state_transition(status, MAIN_STATE_ACRO); + + } else { + res = main_state_transition(status, MAIN_STATE_MANUAL); + } // TRANSITION_DENIED is not possible here break; - case SWITCH_POS_MIDDLE: // ASSISTED - if (sp_man->assisted_switch == SWITCH_POS_ON) { - res = main_state_transition(status, MAIN_STATE_EASY); + case SWITCH_POS_MIDDLE: // ASSIST + if (sp_man->posctl_switch == SWITCH_POS_ON) { + res = main_state_transition(status, MAIN_STATE_POSCTL); if (res != TRANSITION_DENIED) { break; // changed successfully or already in this state } - // else fallback to SEATBELT - print_reject_mode(status, "EASY"); + // else fallback to ALTCTL + print_reject_mode(status, "POSCTL"); } - res = main_state_transition(status, MAIN_STATE_SEATBELT); + res = main_state_transition(status, MAIN_STATE_ALTCTL); if (res != TRANSITION_DENIED) { break; // changed successfully or already in this mode } - if (sp_man->assisted_switch != SWITCH_POS_ON) { - print_reject_mode(status, "SEATBELT"); + if (sp_man->posctl_switch != SWITCH_POS_ON) { + print_reject_mode(status, "ALTCTL"); } // else fallback to MANUAL @@ -1589,9 +1667,9 @@ set_main_state_rc(struct vehicle_status_s *status, struct manual_control_setpoin break; // changed successfully or already in this state } - // else fallback to SEATBELT (EASY likely will not work too) + // else fallback to ALTCTL (POSCTL likely will not work too) print_reject_mode(status, "AUTO"); - res = main_state_transition(status, MAIN_STATE_SEATBELT); + res = main_state_transition(status, MAIN_STATE_ALTCTL); if (res != TRANSITION_DENIED) { break; // changed successfully or already in this state @@ -1637,7 +1715,7 @@ set_control_mode() control_mode.flag_control_velocity_enabled = false; break; - case MAIN_STATE_SEATBELT: + case MAIN_STATE_ALTCTL: control_mode.flag_control_manual_enabled = true; control_mode.flag_control_auto_enabled = false; control_mode.flag_control_rates_enabled = true; @@ -1648,7 +1726,7 @@ set_control_mode() control_mode.flag_control_velocity_enabled = false; break; - case MAIN_STATE_EASY: + case MAIN_STATE_POSCTL: control_mode.flag_control_manual_enabled = true; control_mode.flag_control_auto_enabled = false; control_mode.flag_control_rates_enabled = true; @@ -1661,6 +1739,18 @@ set_control_mode() case MAIN_STATE_AUTO: navigator_enabled = true; + break; + + case MAIN_STATE_ACRO: + control_mode.flag_control_manual_enabled = true; + control_mode.flag_control_auto_enabled = false; + control_mode.flag_control_rates_enabled = true; + control_mode.flag_control_attitude_enabled = false; + control_mode.flag_control_altitude_enabled = false; + control_mode.flag_control_climb_rate_enabled = false; + control_mode.flag_control_position_enabled = false; + control_mode.flag_control_velocity_enabled = false; + break; default: break; @@ -1744,7 +1834,7 @@ void answer_command(struct vehicle_command_s &cmd, enum VEHICLE_CMD_RESULT resul { switch (result) { case VEHICLE_CMD_RESULT_ACCEPTED: - tune_positive(true); + tune_positive(true); break; case VEHICLE_CMD_RESULT_DENIED: @@ -1758,7 +1848,8 @@ void answer_command(struct vehicle_command_s &cmd, enum VEHICLE_CMD_RESULT resul break; case VEHICLE_CMD_RESULT_TEMPORARILY_REJECTED: - mavlink_log_critical(mavlink_fd, "#audio: command temporarily rejected: %u", cmd.command); + /* this needs additional hints to the user - so let other messages pass and be spoken */ + mavlink_log_critical(mavlink_fd, "command temporarily rejected: %u", cmd.command); tune_negative(true); break; @@ -1794,8 +1885,9 @@ void *commander_low_prio_loop(void *arg) int pret = poll(&fds[0], (sizeof(fds) / sizeof(fds[0])), 200); /* timed out - periodic check for thread_should_exit, etc. */ - if (pret == 0) + if (pret == 0) { continue; + } /* this is undesirable but not much we can do - might want to flag unhappy status */ if (pret < 0) { @@ -1810,8 +1902,9 @@ void *commander_low_prio_loop(void *arg) if (cmd.command == VEHICLE_CMD_DO_SET_MODE || cmd.command == VEHICLE_CMD_COMPONENT_ARM_DISARM || cmd.command == VEHICLE_CMD_NAV_TAKEOFF || - cmd.command == VEHICLE_CMD_DO_SET_SERVO) + cmd.command == VEHICLE_CMD_DO_SET_SERVO) { continue; + } /* only handle low-priority commands here */ switch (cmd.command) { @@ -1889,6 +1982,7 @@ void *commander_low_prio_loop(void *arg) /* airspeed calibration */ answer_command(cmd, VEHICLE_CMD_RESULT_ACCEPTED); calib_ret = do_airspeed_calibration(mavlink_fd); + } else if ((int)(cmd.param4) == 0) { /* RC calibration ended - have we been in one worth confirming? */ if (status.rc_input_blocked) { @@ -1903,10 +1997,12 @@ void *commander_low_prio_loop(void *arg) } - if (calib_ret == OK) + if (calib_ret == OK) { tune_positive(true); - else + + } else { tune_negative(true); + } arming_state_transition(&status, &safety, ARMING_STATE_STANDBY, &armed); @@ -1926,11 +2022,13 @@ void *commander_low_prio_loop(void *arg) mavlink_log_critical(mavlink_fd, "#audio: parameters load ERROR"); /* convenience as many parts of NuttX use negative errno */ - if (ret < 0) + if (ret < 0) { ret = -ret; + } - if (ret < 1000) + if (ret < 1000) { mavlink_log_critical(mavlink_fd, "#audio: %s", strerror(ret)); + } answer_command(cmd, VEHICLE_CMD_RESULT_FAILED); } @@ -1946,11 +2044,13 @@ void *commander_low_prio_loop(void *arg) mavlink_log_critical(mavlink_fd, "#audio: parameters save error"); /* convenience as many parts of NuttX use negative errno */ - if (ret < 0) + if (ret < 0) { ret = -ret; + } - if (ret < 1000) + if (ret < 1000) { mavlink_log_critical(mavlink_fd, "#audio: %s", strerror(ret)); + } answer_command(cmd, VEHICLE_CMD_RESULT_FAILED); } @@ -1960,8 +2060,8 @@ void *commander_low_prio_loop(void *arg) } case VEHICLE_CMD_START_RX_PAIR: - /* handled in the IO driver */ - break; + /* handled in the IO driver */ + break; default: /* don't answer on unsupported commands, it will be done in main loop */ diff --git a/src/modules/commander/commander_helper.cpp b/src/modules/commander/commander_helper.cpp index fe6c9bfaa..940a04aa1 100644 --- a/src/modules/commander/commander_helper.cpp +++ b/src/modules/commander/commander_helper.cpp @@ -113,17 +113,22 @@ void buzzer_deinit() close(buzzer); } -void set_tune(int tune) { +void set_tune(int tune) +{ unsigned int new_tune_duration = tune_durations[tune]; + /* don't interrupt currently playing non-repeating tune by repeating */ if (tune_end == 0 || new_tune_duration != 0 || hrt_absolute_time() > tune_end) { /* allow interrupting current non-repeating tune by the same tune */ if (tune != tune_current || new_tune_duration != 0) { ioctl(buzzer, TONE_SET_ALARM, tune); } + tune_current = tune; + if (new_tune_duration != 0) { tune_end = hrt_absolute_time() + new_tune_duration; + } else { tune_end = 0; } @@ -138,6 +143,7 @@ void tune_positive(bool use_buzzer) blink_msg_end = hrt_absolute_time() + BLINK_MSG_TIME; rgbled_set_color(RGBLED_COLOR_GREEN); rgbled_set_mode(RGBLED_MODE_BLINK_FAST); + if (use_buzzer) { set_tune(TONE_NOTIFY_POSITIVE_TUNE); } @@ -151,6 +157,7 @@ void tune_neutral(bool use_buzzer) blink_msg_end = hrt_absolute_time() + BLINK_MSG_TIME; rgbled_set_color(RGBLED_COLOR_WHITE); rgbled_set_mode(RGBLED_MODE_BLINK_FAST); + if (use_buzzer) { set_tune(TONE_NOTIFY_NEUTRAL_TUNE); } @@ -164,6 +171,7 @@ void tune_negative(bool use_buzzer) blink_msg_end = hrt_absolute_time() + BLINK_MSG_TIME; rgbled_set_color(RGBLED_COLOR_RED); rgbled_set_mode(RGBLED_MODE_BLINK_FAST); + if (use_buzzer) { set_tune(TONE_NOTIFY_NEGATIVE_TUNE); } @@ -198,16 +206,10 @@ int led_init() return ERROR; } - /* the blue LED is only available on FMUv1 but not FMUv2 */ -#ifdef CONFIG_ARCH_BOARD_PX4FMU_V1 - - if (ioctl(leds, LED_ON, LED_BLUE)) { - warnx("Blue LED: ioctl fail\n"); - return ERROR; - } - -#endif + /* the blue LED is only available on FMUv1 & AeroCore but not FMUv2 */ + (void)ioctl(leds, LED_ON, LED_BLUE); + /* we consider the amber led mandatory */ if (ioctl(leds, LED_ON, LED_AMBER)) { warnx("Amber LED: ioctl fail\n"); return ERROR; @@ -217,11 +219,7 @@ int led_init() rgbleds = open(RGBLED_DEVICE_PATH, 0); if (rgbleds == -1) { -#ifdef CONFIG_ARCH_BOARD_PX4FMU_V2 - errx(1, "Unable to open " RGBLED_DEVICE_PATH); -#else - warnx("No RGB LED found"); -#endif + warnx("No RGB LED found at " RGBLED_DEVICE_PATH); } return 0; @@ -254,22 +252,25 @@ int led_off(int led) void rgbled_set_color(rgbled_color_t color) { - if (rgbleds != -1) + if (rgbleds != -1) { ioctl(rgbleds, RGBLED_SET_COLOR, (unsigned long)color); + } } void rgbled_set_mode(rgbled_mode_t mode) { - if (rgbleds != -1) + if (rgbleds != -1) { ioctl(rgbleds, RGBLED_SET_MODE, (unsigned long)mode); + } } void rgbled_set_pattern(rgbled_pattern_t *pattern) { - if (rgbleds != -1) + if (rgbleds != -1) { ioctl(rgbleds, RGBLED_SET_PATTERN, (unsigned long)pattern); + } } float battery_remaining_estimate_voltage(float voltage, float discharged) @@ -309,6 +310,7 @@ float battery_remaining_estimate_voltage(float voltage, float discharged) if (bat_capacity > 0.0f) { /* if battery capacity is known, use discharged current for estimate, but don't show more than voltage estimate */ ret = fminf(remaining_voltage, 1.0f - discharged / bat_capacity); + } else { /* else use voltage */ ret = remaining_voltage; diff --git a/src/modules/commander/commander_tests/state_machine_helper_test.cpp b/src/modules/commander/commander_tests/state_machine_helper_test.cpp index 8a946543d..ee0d08391 100644 --- a/src/modules/commander/commander_tests/state_machine_helper_test.cpp +++ b/src/modules/commander/commander_tests/state_machine_helper_test.cpp @@ -317,34 +317,34 @@ bool StateMachineHelperTest::mainStateTransitionTest(void) TRANSITION_CHANGED == main_state_transition(¤t_state, new_main_state)); ut_assert("new state: manual", MAIN_STATE_MANUAL == current_state.main_state); - // MANUAL to SEATBELT. + // MANUAL to ALTCTRL. current_state.main_state = MAIN_STATE_MANUAL; current_state.condition_local_altitude_valid = true; - new_main_state = MAIN_STATE_SEATBELT; - ut_assert("tranisition: manual to seatbelt", + new_main_state = MAIN_STATE_ALTCTL; + ut_assert("tranisition: manual to altctrl", TRANSITION_CHANGED == main_state_transition(¤t_state, new_main_state)); - ut_assert("new state: seatbelt", MAIN_STATE_SEATBELT == current_state.main_state); + ut_assert("new state: altctrl", MAIN_STATE_ALTCTL == current_state.main_state); - // MANUAL to SEATBELT, invalid local altitude. + // MANUAL to ALTCTRL, invalid local altitude. current_state.main_state = MAIN_STATE_MANUAL; current_state.condition_local_altitude_valid = false; - new_main_state = MAIN_STATE_SEATBELT; + new_main_state = MAIN_STATE_ALTCTL; ut_assert("no transition: invalid local altitude", TRANSITION_DENIED == main_state_transition(¤t_state, new_main_state)); ut_assert("current state: manual", MAIN_STATE_MANUAL == current_state.main_state); - // MANUAL to EASY. + // MANUAL to POSCTRL. current_state.main_state = MAIN_STATE_MANUAL; current_state.condition_local_position_valid = true; - new_main_state = MAIN_STATE_EASY; - ut_assert("transition: manual to easy", + new_main_state = MAIN_STATE_POSCTL; + ut_assert("transition: manual to posctrl", TRANSITION_CHANGED == main_state_transition(¤t_state, new_main_state)); - ut_assert("current state: easy", MAIN_STATE_EASY == current_state.main_state); + ut_assert("current state: posctrl", MAIN_STATE_POSCTL == current_state.main_state); - // MANUAL to EASY, invalid local position. + // MANUAL to POSCTRL, invalid local position. current_state.main_state = MAIN_STATE_MANUAL; current_state.condition_local_position_valid = false; - new_main_state = MAIN_STATE_EASY; + new_main_state = MAIN_STATE_POSCTL; ut_assert("no transition: invalid position", TRANSITION_DENIED == main_state_transition(¤t_state, new_main_state)); ut_assert("current state: manual", MAIN_STATE_MANUAL == current_state.main_state); diff --git a/src/modules/commander/gyro_calibration.cpp b/src/modules/commander/gyro_calibration.cpp index 30cd0d48d..cbc2844c1 100644 --- a/src/modules/commander/gyro_calibration.cpp +++ b/src/modules/commander/gyro_calibration.cpp @@ -110,8 +110,9 @@ int do_gyro_calibration(int mavlink_fd) gyro_scale.z_offset += gyro_report.z; calibration_counter++; - if (calibration_counter % (calibration_count / 20) == 0) + if (calibration_counter % (calibration_count / 20) == 0) { mavlink_log_info(mavlink_fd, CAL_PROGRESS_MSG, sensor_name, (calibration_counter * 100) / calibration_count); + } } else { poll_errcount++; @@ -163,8 +164,9 @@ int do_gyro_calibration(int mavlink_fd) /* apply new offsets */ fd = open(GYRO_DEVICE_PATH, 0); - if (OK != ioctl(fd, GYROIOCSSCALE, (long unsigned int)&gyro_scale)) + if (OK != ioctl(fd, GYROIOCSSCALE, (long unsigned int)&gyro_scale)) { warn("WARNING: failed to apply new offsets for gyro"); + } close(fd); @@ -178,9 +180,9 @@ int do_gyro_calibration(int mavlink_fd) float mag_last = -atan2f(raw.magnetometer_ga[1], raw.magnetometer_ga[0]); - if (mag_last > M_PI_F) mag_last -= 2 * M_PI_F; + if (mag_last > M_PI_F) { mag_last -= 2 * M_PI_F; } - if (mag_last < -M_PI_F) mag_last += 2 * M_PI_F; + if (mag_last < -M_PI_F) { mag_last += 2 * M_PI_F; } uint64_t last_time = hrt_absolute_time(); @@ -220,15 +222,15 @@ int do_gyro_calibration(int mavlink_fd) //float mag = -atan2f(magNav(1),magNav(0)); float mag = -atan2f(raw.magnetometer_ga[1], raw.magnetometer_ga[0]); - if (mag > M_PI_F) mag -= 2 * M_PI_F; + if (mag > M_PI_F) { mag -= 2 * M_PI_F; } - if (mag < -M_PI_F) mag += 2 * M_PI_F; + if (mag < -M_PI_F) { mag += 2 * M_PI_F; } float diff = mag - mag_last; - if (diff > M_PI_F) diff -= 2 * M_PI_F; + if (diff > M_PI_F) { diff -= 2 * M_PI_F; } - if (diff < -M_PI_F) diff += 2 * M_PI_F; + if (diff < -M_PI_F) { diff += 2 * M_PI_F; } baseline_integral += diff; mag_last = mag; diff --git a/src/modules/commander/mag_calibration.cpp b/src/modules/commander/mag_calibration.cpp index 4ebf266f4..0ead22f77 100644 --- a/src/modules/commander/mag_calibration.cpp +++ b/src/modules/commander/mag_calibration.cpp @@ -72,7 +72,7 @@ int do_mag_calibration(int mavlink_fd) uint64_t calibration_interval = 45 * 1000 * 1000; /* maximum 500 values */ - const unsigned int calibration_maxcount = 500; + const unsigned int calibration_maxcount = 240; unsigned int calibration_counter; struct mag_scale mscale_null = { @@ -121,9 +121,24 @@ int do_mag_calibration(int mavlink_fd) if (x == NULL || y == NULL || z == NULL) { mavlink_log_critical(mavlink_fd, "ERROR: out of memory"); + + /* clean up */ + if (x != NULL) { + free(x); + } + + if (y != NULL) { + free(y); + } + + if (z != NULL) { + free(z); + } + res = ERROR; return res; } + } else { /* exit */ return ERROR; @@ -163,8 +178,9 @@ int do_mag_calibration(int mavlink_fd) calibration_counter++; - if (calibration_counter % (calibration_maxcount / 20) == 0) + if (calibration_counter % (calibration_maxcount / 20) == 0) { mavlink_log_info(mavlink_fd, CAL_PROGRESS_MSG, sensor_name, 20 + (calibration_counter * 50) / calibration_maxcount); + } } else { poll_errcount++; @@ -198,14 +214,17 @@ int do_mag_calibration(int mavlink_fd) } } - if (x != NULL) + if (x != NULL) { free(x); + } - if (y != NULL) + if (y != NULL) { free(y); + } - if (z != NULL) + if (z != NULL) { free(z); + } if (res == OK) { /* apply calibration and set parameters */ @@ -234,23 +253,29 @@ int do_mag_calibration(int mavlink_fd) if (res == OK) { /* set parameters */ - if (param_set(param_find("SENS_MAG_XOFF"), &(mscale.x_offset))) + if (param_set(param_find("SENS_MAG_XOFF"), &(mscale.x_offset))) { res = ERROR; + } - if (param_set(param_find("SENS_MAG_YOFF"), &(mscale.y_offset))) + if (param_set(param_find("SENS_MAG_YOFF"), &(mscale.y_offset))) { res = ERROR; + } - if (param_set(param_find("SENS_MAG_ZOFF"), &(mscale.z_offset))) + if (param_set(param_find("SENS_MAG_ZOFF"), &(mscale.z_offset))) { res = ERROR; + } - if (param_set(param_find("SENS_MAG_XSCALE"), &(mscale.x_scale))) + if (param_set(param_find("SENS_MAG_XSCALE"), &(mscale.x_scale))) { res = ERROR; + } - if (param_set(param_find("SENS_MAG_YSCALE"), &(mscale.y_scale))) + if (param_set(param_find("SENS_MAG_YSCALE"), &(mscale.y_scale))) { res = ERROR; + } - if (param_set(param_find("SENS_MAG_ZSCALE"), &(mscale.z_scale))) + if (param_set(param_find("SENS_MAG_ZSCALE"), &(mscale.z_scale))) { res = ERROR; + } if (res != OK) { mavlink_log_critical(mavlink_fd, CAL_FAILED_SET_PARAMS_MSG); diff --git a/src/modules/commander/module.mk b/src/modules/commander/module.mk index 554dfcb08..27ca5c182 100644 --- a/src/modules/commander/module.mk +++ b/src/modules/commander/module.mk @@ -47,3 +47,7 @@ SRCS = commander.cpp \ baro_calibration.cpp \ rc_calibration.cpp \ airspeed_calibration.cpp + +MODULE_STACKSIZE = 1200 + +MAXOPTIMIZATION = -Os diff --git a/src/modules/commander/px4_custom_mode.h b/src/modules/commander/px4_custom_mode.h index 2144d3460..e0f8dc95d 100644 --- a/src/modules/commander/px4_custom_mode.h +++ b/src/modules/commander/px4_custom_mode.h @@ -12,9 +12,10 @@ enum PX4_CUSTOM_MAIN_MODE { PX4_CUSTOM_MAIN_MODE_MANUAL = 1, - PX4_CUSTOM_MAIN_MODE_SEATBELT, - PX4_CUSTOM_MAIN_MODE_EASY, + PX4_CUSTOM_MAIN_MODE_ALTCTL, + PX4_CUSTOM_MAIN_MODE_POSCTL, PX4_CUSTOM_MAIN_MODE_AUTO, + PX4_CUSTOM_MAIN_MODE_ACRO, }; enum PX4_CUSTOM_SUB_MODE_AUTO { diff --git a/src/modules/commander/rc_calibration.cpp b/src/modules/commander/rc_calibration.cpp index 41f3ca0aa..0776894fb 100644 --- a/src/modules/commander/rc_calibration.cpp +++ b/src/modules/commander/rc_calibration.cpp @@ -69,11 +69,11 @@ int do_trim_calibration(int mavlink_fd) orb_copy(ORB_ID(manual_control_setpoint), sub_man, &sp); /* set parameters */ - float p = sp.roll; + float p = sp.y; param_set(param_find("TRIM_ROLL"), &p); - p = sp.pitch; + p = sp.x; param_set(param_find("TRIM_PITCH"), &p); - p = sp.yaw; + p = sp.r; param_set(param_find("TRIM_YAW"), &p); /* store to permanent storage */ diff --git a/src/modules/commander/state_machine_helper.cpp b/src/modules/commander/state_machine_helper.cpp index f09d586c7..87309b238 100644 --- a/src/modules/commander/state_machine_helper.cpp +++ b/src/modules/commander/state_machine_helper.cpp @@ -75,38 +75,38 @@ static bool failsafe_state_changed = true; // though the transition is marked as true additional checks must be made. See arming_state_transition // code for those checks. static const bool arming_transitions[ARMING_STATE_MAX][ARMING_STATE_MAX] = { - // INIT, STANDBY, ARMED, ARMED_ERROR, STANDBY_ERROR, REBOOT, IN_AIR_RESTORE - { /* ARMING_STATE_INIT */ true, true, false, false, false, false, false }, - { /* ARMING_STATE_STANDBY */ true, true, true, true, false, false, false }, - { /* ARMING_STATE_ARMED */ false, true, true, false, false, false, true }, - { /* ARMING_STATE_ARMED_ERROR */ false, false, true, true, false, false, false }, - { /* ARMING_STATE_STANDBY_ERROR */ true, true, false, true, true, false, false }, - { /* ARMING_STATE_REBOOT */ true, true, false, false, true, true, true }, - { /* ARMING_STATE_IN_AIR_RESTORE */ false, false, false, false, false, false, false }, // NYI + // INIT, STANDBY, ARMED, ARMED_ERROR, STANDBY_ERROR, REBOOT, IN_AIR_RESTORE + { /* ARMING_STATE_INIT */ true, true, false, false, false, false, false }, + { /* ARMING_STATE_STANDBY */ true, true, true, true, false, false, false }, + { /* ARMING_STATE_ARMED */ false, true, true, false, false, false, true }, + { /* ARMING_STATE_ARMED_ERROR */ false, false, true, true, false, false, false }, + { /* ARMING_STATE_STANDBY_ERROR */ true, true, false, true, true, false, false }, + { /* ARMING_STATE_REBOOT */ true, true, false, false, true, true, true }, + { /* ARMING_STATE_IN_AIR_RESTORE */ false, false, false, false, false, false, false }, // NYI }; // You can index into the array with an arming_state_t in order to get it's textual representation -static const char* state_names[ARMING_STATE_MAX] = { - "ARMING_STATE_INIT", - "ARMING_STATE_STANDBY", - "ARMING_STATE_ARMED", - "ARMING_STATE_ARMED_ERROR", - "ARMING_STATE_STANDBY_ERROR", - "ARMING_STATE_REBOOT", - "ARMING_STATE_IN_AIR_RESTORE", +static const char *state_names[ARMING_STATE_MAX] = { + "ARMING_STATE_INIT", + "ARMING_STATE_STANDBY", + "ARMING_STATE_ARMED", + "ARMING_STATE_ARMED_ERROR", + "ARMING_STATE_STANDBY_ERROR", + "ARMING_STATE_REBOOT", + "ARMING_STATE_IN_AIR_RESTORE", }; transition_result_t arming_state_transition(struct vehicle_status_s *status, /// current vehicle status - const struct safety_s *safety, /// current safety settings - arming_state_t new_arming_state, /// arming state requested - struct actuator_armed_s *armed, /// current armed status - const int mavlink_fd) /// mavlink fd for error reporting, 0 for none + const struct safety_s *safety, /// current safety settings + arming_state_t new_arming_state, /// arming state requested + struct actuator_armed_s *armed, /// current armed status + const int mavlink_fd) /// mavlink fd for error reporting, 0 for none { - // Double check that our static arrays are still valid - ASSERT(ARMING_STATE_INIT == 0); - ASSERT(ARMING_STATE_IN_AIR_RESTORE == ARMING_STATE_MAX - 1); - + // Double check that our static arrays are still valid + ASSERT(ARMING_STATE_INIT == 0); + ASSERT(ARMING_STATE_IN_AIR_RESTORE == ARMING_STATE_MAX - 1); + /* * Perform an atomic state update */ @@ -117,63 +117,70 @@ arming_state_transition(struct vehicle_status_s *status, /// current /* only check transition if the new state is actually different from the current one */ if (new_arming_state == status->arming_state) { ret = TRANSITION_NOT_CHANGED; + } else { /* enforce lockdown in HIL */ if (status->hil_state == HIL_STATE_ON) { armed->lockdown = true; + } else { armed->lockdown = false; } - - // Check that we have a valid state transition - bool valid_transition = arming_transitions[new_arming_state][status->arming_state]; - if (valid_transition) { - // We have a good transition. Now perform any secondary validation. - if (new_arming_state == ARMING_STATE_ARMED) { - // Fail transition if we need safety switch press - // Allow if coming from in air restore - // Allow if HIL_STATE_ON - if (status->arming_state != ARMING_STATE_IN_AIR_RESTORE && status->hil_state == HIL_STATE_OFF && safety->safety_switch_available && !safety->safety_off) { - if (mavlink_fd) { - mavlink_log_critical(mavlink_fd, "NOT ARMING: Press safety switch first."); - } - valid_transition = false; - } - } else if (new_arming_state == ARMING_STATE_STANDBY && status->arming_state == ARMING_STATE_ARMED_ERROR) { - new_arming_state = ARMING_STATE_STANDBY_ERROR; - } - } - - // HIL can always go to standby - if (status->hil_state == HIL_STATE_ON && new_arming_state == ARMING_STATE_STANDBY) { - valid_transition = true; - } - - /* Sensors need to be initialized for STANDBY state */ - if (new_arming_state == ARMING_STATE_STANDBY && !status->condition_system_sensors_initialized) { - valid_transition = false; - } - - // Finish up the state transition - if (valid_transition) { - armed->armed = new_arming_state == ARMING_STATE_ARMED || new_arming_state == ARMING_STATE_ARMED_ERROR; - armed->ready_to_arm = new_arming_state == ARMING_STATE_ARMED || new_arming_state == ARMING_STATE_STANDBY; - ret = TRANSITION_CHANGED; - status->arming_state = new_arming_state; - arming_state_changed = true; - } - } - + + // Check that we have a valid state transition + bool valid_transition = arming_transitions[new_arming_state][status->arming_state]; + + if (valid_transition) { + // We have a good transition. Now perform any secondary validation. + if (new_arming_state == ARMING_STATE_ARMED) { + // Fail transition if we need safety switch press + // Allow if coming from in air restore + // Allow if HIL_STATE_ON + if (status->arming_state != ARMING_STATE_IN_AIR_RESTORE && status->hil_state == HIL_STATE_OFF && safety->safety_switch_available && !safety->safety_off) { + if (mavlink_fd) { + mavlink_log_critical(mavlink_fd, "#audio: NOT ARMING: Press safety switch first."); + } + + valid_transition = false; + } + + } else if (new_arming_state == ARMING_STATE_STANDBY && status->arming_state == ARMING_STATE_ARMED_ERROR) { + new_arming_state = ARMING_STATE_STANDBY_ERROR; + } + } + + // HIL can always go to standby + if (status->hil_state == HIL_STATE_ON && new_arming_state == ARMING_STATE_STANDBY) { + valid_transition = true; + } + + /* Sensors need to be initialized for STANDBY state */ + if (new_arming_state == ARMING_STATE_STANDBY && !status->condition_system_sensors_initialized) { + valid_transition = false; + } + + // Finish up the state transition + if (valid_transition) { + armed->armed = new_arming_state == ARMING_STATE_ARMED || new_arming_state == ARMING_STATE_ARMED_ERROR; + armed->ready_to_arm = new_arming_state == ARMING_STATE_ARMED || new_arming_state == ARMING_STATE_STANDBY; + ret = TRANSITION_CHANGED; + status->arming_state = new_arming_state; + arming_state_changed = true; + } + } + /* end of atomic state update */ irqrestore(flags); - if (ret == TRANSITION_DENIED) { - static const char* errMsg = "Invalid arming transition from %s to %s"; - if (mavlink_fd) { - mavlink_log_critical(mavlink_fd, errMsg, state_names[status->arming_state], state_names[new_arming_state]); - } - warnx(errMsg, state_names[status->arming_state], state_names[new_arming_state]); - } + if (ret == TRANSITION_DENIED) { + static const char *errMsg = "Invalid arming transition from %s to %s"; + + if (mavlink_fd) { + mavlink_log_critical(mavlink_fd, errMsg, state_names[status->arming_state], state_names[new_arming_state]); + } + + warnx(errMsg, state_names[status->arming_state], state_names[new_arming_state]); + } return ret; } @@ -215,7 +222,11 @@ main_state_transition(struct vehicle_status_s *status, main_state_t new_main_sta ret = TRANSITION_CHANGED; break; - case MAIN_STATE_SEATBELT: + case MAIN_STATE_ACRO: + ret = TRANSITION_CHANGED; + break; + + case MAIN_STATE_ALTCTL: /* need at minimum altitude estimate */ if (!status->is_rotary_wing || @@ -226,7 +237,7 @@ main_state_transition(struct vehicle_status_s *status, main_state_t new_main_sta break; - case MAIN_STATE_EASY: + case MAIN_STATE_POSCTL: /* need at minimum local position estimate */ if (status->condition_local_position_valid || @@ -301,7 +312,7 @@ int hil_state_transition(hil_state_t new_state, int status_pub, struct vehicle_s case HIL_STATE_OFF: /* we're in HIL and unexpected things can happen if we disable HIL now */ - mavlink_log_critical(mavlink_fd, "Not switching off HIL (safety)"); + mavlink_log_critical(mavlink_fd, "#audio: Not switching off HIL (safety)"); valid_transition = false; break; @@ -320,6 +331,7 @@ int hil_state_transition(hil_state_t new_state, int status_pub, struct vehicle_s /* list directory */ DIR *d; d = opendir("/dev"); + if (d) { struct dirent *direntry; @@ -331,26 +343,32 @@ int hil_state_transition(hil_state_t new_state, int status_pub, struct vehicle_s if (!strncmp("tty", direntry->d_name, 3)) { continue; } + /* skip mtd devices */ if (!strncmp("mtd", direntry->d_name, 3)) { continue; } + /* skip ram devices */ if (!strncmp("ram", direntry->d_name, 3)) { continue; } + /* skip MMC devices */ if (!strncmp("mmc", direntry->d_name, 3)) { continue; } + /* skip mavlink */ if (!strcmp("mavlink", direntry->d_name)) { continue; } + /* skip console */ if (!strcmp("console", direntry->d_name)) { continue; } + /* skip null */ if (!strcmp("null", direntry->d_name)) { continue; diff --git a/src/modules/dataman/dataman.c b/src/modules/dataman/dataman.c index 7505ba358..1a65313e8 100644 --- a/src/modules/dataman/dataman.c +++ b/src/modules/dataman/dataman.c @@ -1,10 +1,6 @@ /**************************************************************************** * - * Copyright (c) 2013 PX4 Development Team. All rights reserved. - * Author: Jean Cyr - * Lorenz Meier - * Julian Oes - * Thomas Gubler + * Copyright (c) 2013, 2014 PX4 Development Team. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -37,6 +33,11 @@ /** * @file dataman.c * DATAMANAGER driver. + * + * @author Jean Cyr + * @author Lorenz Meier + * @author Julian Oes + * @author Thomas Gubler */ #include <nuttx/config.h> @@ -62,7 +63,7 @@ __EXPORT ssize_t dm_write(dm_item_t item, unsigned char index, dm_persitence_t __EXPORT int dm_clear(dm_item_t item); __EXPORT int dm_restart(dm_reset_reason restart_type); -/* Types of function calls supported by the worker task */ +/** Types of function calls supported by the worker task */ typedef enum { dm_write_func = 0, dm_read_func, @@ -71,11 +72,12 @@ typedef enum { dm_number_of_funcs } dm_function_t; -/* Work task work item */ +/** Work task work item */ typedef struct { sq_entry_t link; /**< list linkage */ sem_t wait_sem; - dm_function_t func; + unsigned char first; + unsigned char func; ssize_t result; union { struct { @@ -100,6 +102,8 @@ typedef struct { }; } work_q_item_t; +const size_t k_work_item_allocation_chunk_size = 8; + /* Usage statistics */ static unsigned g_func_counts[dm_number_of_funcs]; @@ -177,9 +181,23 @@ create_work_item(void) unlock_queue(&g_free_q); - /* If we there weren't any free items then obtain memory for a new one */ - if (item == NULL) - item = (work_q_item_t *)malloc(sizeof(work_q_item_t)); + /* If we there weren't any free items then obtain memory for a new ones */ + if (item == NULL) { + item = (work_q_item_t *)malloc(k_work_item_allocation_chunk_size * sizeof(work_q_item_t)); + if (item) { + item->first = 1; + lock_queue(&g_free_q); + for (int i = 1; i < k_work_item_allocation_chunk_size; i++) { + (item + i)->first = 0; + sq_addfirst(&(item + i)->link, &(g_free_q.q)); + } + /* Update the queue size and potentially the maximum queue size */ + g_free_q.size += k_work_item_allocation_chunk_size - 1; + if (g_free_q.size > g_free_q.max_size) + g_free_q.max_size = g_free_q.size; + unlock_queue(&g_free_q); + } + } /* If we got one then lock the item*/ if (item) @@ -411,7 +429,7 @@ _clear(dm_item_t item) return result; } -/* Tell the data manager about the type of the last reset */ +/** Tell the data manager about the type of the last reset */ static int _restart(dm_reset_reason reason) { @@ -480,7 +498,7 @@ _restart(dm_reset_reason reason) return result; } -/* write to the data manager file */ +/** Write to the data manager file */ __EXPORT ssize_t dm_write(dm_item_t item, unsigned char index, dm_persitence_t persistence, const void *buf, size_t count) { @@ -505,7 +523,7 @@ dm_write(dm_item_t item, unsigned char index, dm_persitence_t persistence, const return (ssize_t)enqueue_work_item_and_wait_for_result(work); } -/* Retrieve from the data manager file */ +/** Retrieve from the data manager file */ __EXPORT ssize_t dm_read(dm_item_t item, unsigned char index, void *buf, size_t count) { @@ -717,8 +735,8 @@ task_main(int argc, char *argv[]) for (;;) { if ((work = (work_q_item_t *)sq_remfirst(&(g_free_q.q))) == NULL) break; - - free(work); + if (work->first) + free(work); } destroy_q(&g_work_q); @@ -736,7 +754,7 @@ start(void) sem_init(&g_init_sema, 1, 0); /* start the worker thread */ - if ((task = task_spawn_cmd("dataman", SCHED_DEFAULT, SCHED_PRIORITY_MAX - 5, 2048, task_main, NULL)) <= 0) { + if ((task = task_spawn_cmd("dataman", SCHED_DEFAULT, SCHED_PRIORITY_MAX - 5, 2000, task_main, NULL)) <= 0) { warn("task start failed"); return -1; } diff --git a/src/modules/dataman/dataman.h b/src/modules/dataman/dataman.h index 4382baeb5..1dfb26f73 100644 --- a/src/modules/dataman/dataman.h +++ b/src/modules/dataman/dataman.h @@ -1,6 +1,6 @@ /**************************************************************************** * - * Copyright (c) 2013 PX4 Development Team. All rights reserved. + * Copyright (c) 2013, 2014 PX4 Development Team. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -46,7 +46,7 @@ extern "C" { #endif - /* Types of items that the data manager can store */ + /** Types of items that the data manager can store */ typedef enum { DM_KEY_SAFE_POINTS = 0, /* Safe points coordinates, safe point 0 is home point */ DM_KEY_FENCE_POINTS, /* Fence vertex coordinates */ @@ -56,7 +56,7 @@ extern "C" { DM_KEY_NUM_KEYS /* Total number of item types defined */ } dm_item_t; - /* The maximum number of instances for each item type */ + /** The maximum number of instances for each item type */ enum { DM_KEY_SAFE_POINTS_MAX = 8, DM_KEY_FENCE_POINTS_MAX = GEOFENCE_MAX_VERTICES, @@ -65,24 +65,24 @@ extern "C" { DM_KEY_WAYPOINTS_ONBOARD_MAX = NUM_MISSIONS_SUPPORTED }; - /* Data persistence levels */ + /** Data persistence levels */ typedef enum { DM_PERSIST_POWER_ON_RESET = 0, /* Data survives all resets */ DM_PERSIST_IN_FLIGHT_RESET, /* Data survives in-flight resets only */ DM_PERSIST_VOLATILE /* Data does not survive resets */ } dm_persitence_t; - /* The reason for the last reset */ + /** The reason for the last reset */ typedef enum { DM_INIT_REASON_POWER_ON = 0, /* Data survives resets */ DM_INIT_REASON_IN_FLIGHT, /* Data survives in-flight resets only */ DM_INIT_REASON_VOLATILE /* Data does not survive reset */ } dm_reset_reason; - /* Maximum size in bytes of a single item instance */ + /** Maximum size in bytes of a single item instance */ #define DM_MAX_DATA_SIZE 124 - /* Retrieve from the data manager store */ + /** Retrieve from the data manager store */ __EXPORT ssize_t dm_read( dm_item_t item, /* The item type to retrieve */ @@ -91,7 +91,7 @@ extern "C" { size_t buflen /* Length in bytes of data to retrieve */ ); - /* write to the data manager store */ + /** write to the data manager store */ __EXPORT ssize_t dm_write( dm_item_t item, /* The item type to store */ @@ -101,13 +101,13 @@ extern "C" { size_t buflen /* Length in bytes of data to retrieve */ ); - /* Erase all items of this type */ + /** Erase all items of this type */ __EXPORT int dm_clear( dm_item_t item /* The item type to clear */ ); - /* Tell the data manager about the type of the last reset */ + /** Tell the data manager about the type of the last reset */ __EXPORT int dm_restart( dm_reset_reason restart_type /* The last reset type */ diff --git a/src/modules/dataman/module.mk b/src/modules/dataman/module.mk index 27670dd3f..234607b3d 100644 --- a/src/modules/dataman/module.mk +++ b/src/modules/dataman/module.mk @@ -38,3 +38,5 @@ MODULE_COMMAND = dataman SRCS = dataman.c + +MODULE_STACKSIZE = 1200 diff --git a/src/modules/fw_att_pos_estimator/fw_att_pos_estimator_main.cpp b/src/modules/ekf_att_pos_estimator/ekf_att_pos_estimator_main.cpp index f076c94fd..0a6d3fa8f 100644 --- a/src/modules/fw_att_pos_estimator/fw_att_pos_estimator_main.cpp +++ b/src/modules/ekf_att_pos_estimator/ekf_att_pos_estimator_main.cpp @@ -32,7 +32,7 @@ ****************************************************************************/ /** - * @file fw_att_pos_estimator_main.cpp + * @file ekf_att_pos_estimator_main.cpp * Implementation of the attitude and position estimator. * * @author Paul Riseborough <p_riseborough@live.com.au> @@ -73,6 +73,7 @@ #include <uORB/topics/parameter_update.h> #include <uORB/topics/estimator_status.h> #include <uORB/topics/actuator_armed.h> +#include <uORB/topics/home_position.h> #include <systemlib/param/param.h> #include <systemlib/err.h> #include <geo/geo.h> @@ -90,20 +91,19 @@ * * @ingroup apps */ -extern "C" __EXPORT int fw_att_pos_estimator_main(int argc, char *argv[]); +extern "C" __EXPORT int ekf_att_pos_estimator_main(int argc, char *argv[]); __EXPORT uint32_t millis(); static uint64_t last_run = 0; static uint64_t IMUmsec = 0; +static const uint64_t FILTER_INIT_DELAY = 1 * 1000 * 1000; uint32_t millis() { return IMUmsec; } -static void print_status(); - class FixedwingEstimator { public: @@ -152,6 +152,7 @@ private: int _params_sub; /**< notification of parameter updates */ int _manual_control_sub; /**< notification of manual control updates */ int _mission_sub; + int _home_sub; /**< home position as defined by commander / user */ orb_advert_t _att_pub; /**< vehicle attitude */ orb_advert_t _global_pos_pub; /**< global position */ @@ -191,7 +192,13 @@ private: perf_counter_t _perf_airspeed; ///<local performance counter for airspeed updates bool _initialized; + bool _baro_init; bool _gps_initialized; + uint64_t _gps_start_time; + uint64_t _filter_start_time; + bool _gyro_valid; + bool _accel_valid; + bool _mag_valid; int _mavlink_fd; @@ -201,6 +208,19 @@ private: int32_t height_delay_ms; int32_t mag_delay_ms; int32_t tas_delay_ms; + float velne_noise; + float veld_noise; + float posne_noise; + float posd_noise; + float mag_noise; + float gyro_pnoise; + float acc_pnoise; + float gbias_pnoise; + float abias_pnoise; + float mage_pnoise; + float magb_pnoise; + float eas_noise; + float pos_stddev_threshold; } _parameters; /**< local copies of interesting parameters */ struct { @@ -209,6 +229,19 @@ private: param_t height_delay_ms; param_t mag_delay_ms; param_t tas_delay_ms; + param_t velne_noise; + param_t veld_noise; + param_t posne_noise; + param_t posd_noise; + param_t mag_noise; + param_t gyro_pnoise; + param_t acc_pnoise; + param_t gbias_pnoise; + param_t abias_pnoise; + param_t mage_pnoise; + param_t magb_pnoise; + param_t eas_noise; + param_t pos_stddev_threshold; } _parameter_handles; /**< handles for interesting parameters */ AttPosEKF *_ekf; @@ -237,7 +270,7 @@ private: /** * Main sensor collection task. */ - void task_main() __attribute__((noreturn)); + void task_main(); }; namespace estimator @@ -271,6 +304,8 @@ FixedwingEstimator::FixedwingEstimator() : _vstatus_sub(-1), _params_sub(-1), _manual_control_sub(-1), + _mission_sub(-1), + _home_sub(-1), /* publications */ _att_pub(-1), @@ -278,32 +313,68 @@ FixedwingEstimator::FixedwingEstimator() : _local_pos_pub(-1), _estimator_status_pub(-1), + _att({}), + _gyro({}), + _accel({}), + _mag({}), + _airspeed({}), + _baro({}), + _vstatus({}), + _global_pos({}), + _local_pos({}), + _gps({}), + + _gyro_offsets({}), + _accel_offsets({}), + _mag_offsets({}), + + #ifdef SENSOR_COMBINED_SUB + _sensor_combined({}), + #endif + _baro_ref(0.0f), _baro_gps_offset(0.0f), /* performance counters */ - _loop_perf(perf_alloc(PC_COUNT, "fw_att_pos_estimator")), - _perf_gyro(perf_alloc(PC_COUNT, "fw_ekf_gyro_upd")), - _perf_accel(perf_alloc(PC_COUNT, "fw_ekf_accel_upd")), - _perf_mag(perf_alloc(PC_COUNT, "fw_ekf_mag_upd")), - _perf_gps(perf_alloc(PC_COUNT, "fw_ekf_gps_upd")), - _perf_baro(perf_alloc(PC_COUNT, "fw_ekf_baro_upd")), - _perf_airspeed(perf_alloc(PC_COUNT, "fw_ekf_aspd_upd")), + _loop_perf(perf_alloc(PC_COUNT, "ekf_att_pos_estimator")), + _perf_gyro(perf_alloc(PC_COUNT, "ekf_att_pos_gyro_upd")), + _perf_accel(perf_alloc(PC_COUNT, "ekf_att_pos_accel_upd")), + _perf_mag(perf_alloc(PC_COUNT, "ekf_att_pos_mag_upd")), + _perf_gps(perf_alloc(PC_COUNT, "ekf_att_pos_gps_upd")), + _perf_baro(perf_alloc(PC_COUNT, "ekf_att_pos_baro_upd")), + _perf_airspeed(perf_alloc(PC_COUNT, "ekf_att_pos_aspd_upd")), /* states */ _initialized(false), + _baro_init(false), _gps_initialized(false), + _gyro_valid(false), + _accel_valid(false), + _mag_valid(false), _mavlink_fd(-1), _ekf(nullptr) { - _mavlink_fd = open(MAVLINK_LOG_DEVICE, 0); + last_run = hrt_absolute_time(); _parameter_handles.vel_delay_ms = param_find("PE_VEL_DELAY_MS"); _parameter_handles.pos_delay_ms = param_find("PE_POS_DELAY_MS"); _parameter_handles.height_delay_ms = param_find("PE_HGT_DELAY_MS"); _parameter_handles.mag_delay_ms = param_find("PE_MAG_DELAY_MS"); _parameter_handles.tas_delay_ms = param_find("PE_TAS_DELAY_MS"); + _parameter_handles.velne_noise = param_find("PE_VELNE_NOISE"); + _parameter_handles.veld_noise = param_find("PE_VELD_NOISE"); + _parameter_handles.posne_noise = param_find("PE_POSNE_NOISE"); + _parameter_handles.posd_noise = param_find("PE_POSD_NOISE"); + _parameter_handles.mag_noise = param_find("PE_MAG_NOISE"); + _parameter_handles.gyro_pnoise = param_find("PE_GYRO_PNOISE"); + _parameter_handles.acc_pnoise = param_find("PE_ACC_PNOISE"); + _parameter_handles.gbias_pnoise = param_find("PE_GBIAS_PNOISE"); + _parameter_handles.abias_pnoise = param_find("PE_ABIAS_PNOISE"); + _parameter_handles.mage_pnoise = param_find("PE_MAGE_PNOISE"); + _parameter_handles.magb_pnoise = param_find("PE_MAGB_PNOISE"); + _parameter_handles.eas_noise = param_find("PE_EAS_NOISE"); + _parameter_handles.pos_stddev_threshold = param_find("PE_POSDEV_INIT"); /* fetch initial parameter values */ parameters_update(); @@ -317,6 +388,10 @@ FixedwingEstimator::FixedwingEstimator() : if (fd > 0) { res = ioctl(fd, GYROIOCGSCALE, (long unsigned int)&_gyro_offsets); close(fd); + + if (res) { + warnx("G SCALE FAIL"); + } } fd = open(ACCEL_DEVICE_PATH, O_RDONLY); @@ -324,6 +399,10 @@ FixedwingEstimator::FixedwingEstimator() : if (fd > 0) { res = ioctl(fd, ACCELIOCGSCALE, (long unsigned int)&_accel_offsets); close(fd); + + if (res) { + warnx("A SCALE FAIL"); + } } fd = open(MAG_DEVICE_PATH, O_RDONLY); @@ -331,6 +410,10 @@ FixedwingEstimator::FixedwingEstimator() : if (fd > 0) { res = ioctl(fd, MAGIOCGSCALE, (long unsigned int)&_mag_offsets); close(fd); + + if (res) { + warnx("M SCALE FAIL"); + } } } @@ -368,6 +451,37 @@ FixedwingEstimator::parameters_update() param_get(_parameter_handles.height_delay_ms, &(_parameters.height_delay_ms)); param_get(_parameter_handles.mag_delay_ms, &(_parameters.mag_delay_ms)); param_get(_parameter_handles.tas_delay_ms, &(_parameters.tas_delay_ms)); + param_get(_parameter_handles.velne_noise, &(_parameters.velne_noise)); + param_get(_parameter_handles.veld_noise, &(_parameters.veld_noise)); + param_get(_parameter_handles.posne_noise, &(_parameters.posne_noise)); + param_get(_parameter_handles.posd_noise, &(_parameters.posd_noise)); + param_get(_parameter_handles.mag_noise, &(_parameters.mag_noise)); + param_get(_parameter_handles.gyro_pnoise, &(_parameters.gyro_pnoise)); + param_get(_parameter_handles.acc_pnoise, &(_parameters.acc_pnoise)); + param_get(_parameter_handles.gbias_pnoise, &(_parameters.gbias_pnoise)); + param_get(_parameter_handles.abias_pnoise, &(_parameters.abias_pnoise)); + param_get(_parameter_handles.mage_pnoise, &(_parameters.mage_pnoise)); + param_get(_parameter_handles.magb_pnoise, &(_parameters.magb_pnoise)); + param_get(_parameter_handles.eas_noise, &(_parameters.eas_noise)); + param_get(_parameter_handles.pos_stddev_threshold, &(_parameters.pos_stddev_threshold)); + + if (_ekf) { + // _ekf->yawVarScale = 1.0f; + // _ekf->windVelSigma = 0.1f; + _ekf->dAngBiasSigma = _parameters.gbias_pnoise; + _ekf->dVelBiasSigma = _parameters.abias_pnoise; + _ekf->magEarthSigma = _parameters.mage_pnoise; + _ekf->magBodySigma = _parameters.magb_pnoise; + // _ekf->gndHgtSigma = 0.02f; + _ekf->vneSigma = _parameters.velne_noise; + _ekf->vdSigma = _parameters.veld_noise; + _ekf->posNeSigma = _parameters.posne_noise; + _ekf->posDSigma = _parameters.posd_noise; + _ekf->magMeasurementSigma = _parameters.mag_noise; + _ekf->gyroProcessNoise = _parameters.gyro_pnoise; + _ekf->accelProcessNoise = _parameters.acc_pnoise; + _ekf->airspeedMeasurementSigma = _parameters.eas_noise; + } return OK; } @@ -392,13 +506,14 @@ FixedwingEstimator::task_main_trampoline(int argc, char *argv[]) estimator::g_estimator->task_main(); } -float dt = 0.0f; // time lapsed since last covariance prediction - void FixedwingEstimator::task_main() { + _mavlink_fd = open(MAVLINK_LOG_DEVICE, 0); _ekf = new AttPosEKF(); + float dt = 0.0f; // time lapsed since last covariance prediction + _filter_start_time = hrt_absolute_time(); if (!_ekf) { errx(1, "failed allocating EKF filter - out of RAM!"); @@ -412,6 +527,7 @@ FixedwingEstimator::task_main() _gps_sub = orb_subscribe(ORB_ID(vehicle_gps_position)); _vstatus_sub = orb_subscribe(ORB_ID(vehicle_status)); _params_sub = orb_subscribe(ORB_ID(parameter_update)); + _home_sub = orb_subscribe(ORB_ID(home_position)); /* rate limit vehicle status updates to 5Hz */ orb_set_interval(_vstatus_sub, 200); @@ -431,26 +547,11 @@ FixedwingEstimator::task_main() orb_set_interval(_sensor_combined_sub, 4); #endif + /* sets also parameters in the EKF object */ parameters_update(); - /* set initial filter state */ - _ekf->fuseVelData = false; - _ekf->fusePosData = false; - _ekf->fuseHgtData = false; - _ekf->fuseMagData = false; - _ekf->fuseVtasData = false; - _ekf->statesInitialised = false; - - /* initialize measurement data */ - _ekf->VtasMeas = 0.0f; Vector3f lastAngRate = {0.0f, 0.0f, 0.0f}; - Vector3f lastAccel = {0.0f, 0.0f, -9.81f}; - _ekf->dVelIMU.x = 0.0f; - _ekf->dVelIMU.y = 0.0f; - _ekf->dVelIMU.z = 0.0f; - _ekf->dAngIMU.x = 0.0f; - _ekf->dAngIMU.y = 0.0f; - _ekf->dAngIMU.z = 0.0f; + Vector3f lastAccel = {0.0f, 0.0f, 0.0f}; /* wakeup source(s) */ struct pollfd fds[2]; @@ -466,9 +567,8 @@ FixedwingEstimator::task_main() fds[1].events = POLLIN; #endif - hrt_abstime start_time = hrt_absolute_time(); - bool newDataGps = false; + bool newHgtData = false; bool newAdsData = false; bool newDataMag = false; @@ -503,19 +603,52 @@ FixedwingEstimator::task_main() if (fds[1].revents & POLLIN) { /* check vehicle status for changes to publication state */ + bool prev_hil = (_vstatus.hil_state == HIL_STATE_ON); vehicle_status_poll(); bool accel_updated; bool mag_updated; + hrt_abstime last_sensor_timestamp; + perf_count(_perf_gyro); + /* Reset baro reference if switching to HIL, reset sensor states */ + if (!prev_hil && (_vstatus.hil_state == HIL_STATE_ON)) { + /* system is in HIL now, wait for measurements to come in one last round */ + usleep(60000); + +#ifndef SENSOR_COMBINED_SUB + orb_copy(ORB_ID(sensor_gyro), _gyro_sub, &_gyro); + orb_copy(ORB_ID(sensor_accel), _accel_sub, &_accel); + orb_copy(ORB_ID(sensor_mag), _mag_sub, &_mag); +#else + /* now read all sensor publications to ensure all real sensor data is purged */ + orb_copy(ORB_ID(sensor_combined), _sensor_combined_sub, &_sensor_combined); +#endif + + /* set sensors to de-initialized state */ + _gyro_valid = false; + _accel_valid = false; + _mag_valid = false; + + _baro_init = false; + _gps_initialized = false; + last_sensor_timestamp = hrt_absolute_time(); + last_run = last_sensor_timestamp; + + _ekf->ZeroVariables(); + _ekf->dtIMU = 0.01f; + _filter_start_time = last_sensor_timestamp; + + /* now skip this loop and get data on the next one, which will also re-init the filter */ + continue; + } + /** * PART ONE: COLLECT ALL DATA **/ - hrt_abstime last_sensor_timestamp; - /* load local copies */ #ifndef SENSOR_COMBINED_SUB orb_copy(ORB_ID(sensor_gyro), _gyro_sub, &_gyro); @@ -529,27 +662,46 @@ FixedwingEstimator::task_main() } last_sensor_timestamp = _gyro.timestamp; - _ekf.IMUmsec = _gyro.timestamp / 1e3f; + IMUmsec = _gyro.timestamp / 1e3f; float deltaT = (_gyro.timestamp - last_run) / 1e6f; last_run = _gyro.timestamp; /* guard against too large deltaT's */ - if (deltaT > 1.0f) + if (!isfinite(deltaT) || deltaT > 1.0f || deltaT < 0.000001f) { deltaT = 0.01f; + } // Always store data, independent of init status /* fill in last data set */ _ekf->dtIMU = deltaT; - _ekf->angRate.x = _gyro.x; - _ekf->angRate.y = _gyro.y; - _ekf->angRate.z = _gyro.z; + if (isfinite(_gyro.x) && + isfinite(_gyro.y) && + isfinite(_gyro.z)) { + _ekf->angRate.x = _gyro.x; + _ekf->angRate.y = _gyro.y; + _ekf->angRate.z = _gyro.z; + + if (!_gyro_valid) { + lastAngRate = _ekf->angRate; + } + + _gyro_valid = true; + } - _ekf->accel.x = _accel.x; - _ekf->accel.y = _accel.y; - _ekf->accel.z = _accel.z; + if (accel_updated) { + _ekf->accel.x = _accel.x; + _ekf->accel.y = _accel.y; + _ekf->accel.z = _accel.z; + + if (!_accel_valid) { + lastAccel = _ekf->accel; + } + + _accel_valid = true; + } _ekf->dAngIMU = 0.5f * (angRate + lastAngRate) * dtIMU; _ekf->lastAngRate = angRate; @@ -565,6 +717,8 @@ FixedwingEstimator::task_main() if (last_accel != _sensor_combined.accelerometer_timestamp) { accel_updated = true; + } else { + accel_updated = false; } last_accel = _sensor_combined.accelerometer_timestamp; @@ -575,23 +729,43 @@ FixedwingEstimator::task_main() IMUmsec = _sensor_combined.timestamp / 1e3f; float deltaT = (_sensor_combined.timestamp - last_run) / 1e6f; - last_run = _sensor_combined.timestamp; /* guard against too large deltaT's */ - if (deltaT > 1.0f || deltaT < 0.000001f) + if (!isfinite(deltaT) || deltaT > 1.0f || deltaT < 0.000001f) { deltaT = 0.01f; + } + + last_run = _sensor_combined.timestamp; // Always store data, independent of init status /* fill in last data set */ _ekf->dtIMU = deltaT; - _ekf->angRate.x = _sensor_combined.gyro_rad_s[0]; - _ekf->angRate.y = _sensor_combined.gyro_rad_s[1]; - _ekf->angRate.z = _sensor_combined.gyro_rad_s[2]; + if (isfinite(_sensor_combined.gyro_rad_s[0]) && + isfinite(_sensor_combined.gyro_rad_s[1]) && + isfinite(_sensor_combined.gyro_rad_s[2])) { + _ekf->angRate.x = _sensor_combined.gyro_rad_s[0]; + _ekf->angRate.y = _sensor_combined.gyro_rad_s[1]; + _ekf->angRate.z = _sensor_combined.gyro_rad_s[2]; + + if (!_gyro_valid) { + lastAngRate = _ekf->angRate; + } + + _gyro_valid = true; + } + + if (accel_updated) { + _ekf->accel.x = _sensor_combined.accelerometer_m_s2[0]; + _ekf->accel.y = _sensor_combined.accelerometer_m_s2[1]; + _ekf->accel.z = _sensor_combined.accelerometer_m_s2[2]; + + if (!_accel_valid) { + lastAccel = _ekf->accel; + } - _ekf->accel.x = _sensor_combined.accelerometer_m_s2[0]; - _ekf->accel.y = _sensor_combined.accelerometer_m_s2[1]; - _ekf->accel.z = _sensor_combined.accelerometer_m_s2[2]; + _accel_valid = true; + } _ekf->dAngIMU = 0.5f * (_ekf->angRate + lastAngRate) * _ekf->dtIMU; lastAngRate = _ekf->angRate; @@ -635,11 +809,13 @@ FixedwingEstimator::task_main() perf_count(_perf_gps); if (_gps.fix_type < 3) { - gps_updated = false; newDataGps = false; } else { + /* store time of valid GPS measurement */ + _gps_start_time = hrt_absolute_time(); + /* check if we had a GPS outage for a long time */ if (hrt_elapsed_time(&last_gps) > 5 * 1000 * 1000) { _ekf->ResetPosition(); @@ -660,6 +836,21 @@ FixedwingEstimator::task_main() _ekf->gpsLat = math::radians(_gps.lat / (double)1e7); _ekf->gpsLon = math::radians(_gps.lon / (double)1e7) - M_PI; _ekf->gpsHgt = _gps.alt / 1e3f; + + // if (_gps.s_variance_m_s > 0.25f && _gps.s_variance_m_s < 100.0f * 100.0f) { + // _ekf->vneSigma = sqrtf(_gps.s_variance_m_s); + // } else { + // _ekf->vneSigma = _parameters.velne_noise; + // } + + // if (_gps.p_variance_m > 0.25f && _gps.p_variance_m < 100.0f * 100.0f) { + // _ekf->posNeSigma = sqrtf(_gps.p_variance_m); + // } else { + // _ekf->posNeSigma = _parameters.posne_noise; + // } + + // warnx("vel: %8.4f pos: %8.4f", _gps.s_variance_m_s, _gps.p_variance_m); + newDataGps = true; } @@ -672,10 +863,17 @@ FixedwingEstimator::task_main() if (baro_updated) { orb_copy(ORB_ID(sensor_baro), _baro_sub, &_baro); - _ekf->baroHgt = _baro.altitude - _baro_ref; + _ekf->baroHgt = _baro.altitude; - // Could use a blend of GPS and baro alt data if desired - _ekf->hgtMea = 1.0f * _ekf->baroHgt + 0.0f * _ekf->gpsHgt; + if (!_baro_init) { + _baro_ref = _baro.altitude; + _baro_init = true; + warnx("ALT REF INIT"); + } + + newHgtData = true; + } else { + newHgtData = false; } #ifndef SENSOR_COMBINED_SUB @@ -684,6 +882,8 @@ FixedwingEstimator::task_main() if (mag_updated) { + _mag_valid = true; + perf_count(_perf_mag); #ifndef SENSOR_COMBINED_SUB @@ -727,6 +927,8 @@ FixedwingEstimator::task_main() */ int check = _ekf->CheckAndBound(); + const char* ekfname = "[ekf] "; + switch (check) { case 0: /* all ok */ @@ -735,26 +937,38 @@ FixedwingEstimator::task_main() { const char* str = "NaN in states, resetting"; warnx("%s", str); - mavlink_log_critical(_mavlink_fd, str); + mavlink_log_critical(_mavlink_fd, "%s%s", ekfname, str); break; } case 2: { const char* str = "stale IMU data, resetting"; warnx("%s", str); - mavlink_log_critical(_mavlink_fd, str); + mavlink_log_critical(_mavlink_fd, "%s%s", ekfname, str); break; } case 3: { - const char* str = "switching dynamic / static state"; + const char* str = "switching to dynamic state"; warnx("%s", str); - mavlink_log_critical(_mavlink_fd, str); + mavlink_log_info(_mavlink_fd, "%s%s", ekfname, str); break; } + + default: + { + const char* str = "unknown reset condition"; + warnx("%s", str); + mavlink_log_critical(_mavlink_fd, "%s%s", ekfname, str); + } } - // If non-zero, we got a problem + // warn on fatal resets + if (check == 1) { + warnx("NUMERIC ERROR IN FILTER"); + } + + // If non-zero, we got a filter reset if (check) { struct ekf_status_report ekf_report; @@ -770,7 +984,7 @@ FixedwingEstimator::task_main() rep.kalman_gain_nan = ekf_report.kalmanGainsNaN; // Copy all states or at least all that we can fit - int i = 0; + unsigned i = 0; unsigned ekf_n_states = (sizeof(ekf_report.states) / sizeof(ekf_report.states[0])); unsigned max_states = (sizeof(rep.states) / sizeof(rep.states[0])); rep.n_states = (ekf_n_states < max_states) ? ekf_n_states : max_states; @@ -786,6 +1000,23 @@ FixedwingEstimator::task_main() } else { _estimator_status_pub = orb_advertise(ORB_ID(estimator_status), &rep); } + + /* set sensors to de-initialized state */ + _gyro_valid = false; + _accel_valid = false; + _mag_valid = false; + + _baro_init = false; + _gps_initialized = false; + last_sensor_timestamp = hrt_absolute_time(); + last_run = last_sensor_timestamp; + + _ekf->ZeroVariables(); + _ekf->dtIMU = 0.01f; + + // Let the system re-initialize itself + continue; + } @@ -793,52 +1024,70 @@ FixedwingEstimator::task_main() * PART TWO: EXECUTE THE FILTER **/ - // Wait long enough to ensure all sensors updated once - // XXX we rather want to check all updated + if ((hrt_elapsed_time(&_filter_start_time) > FILTER_INIT_DELAY) && _baro_init && _gyro_valid && _accel_valid && _mag_valid) { + float initVelNED[3]; - if (hrt_elapsed_time(&start_time) > 100000) { + if (!_gps_initialized && _gps.fix_type > 2 && _gps.eph_m < _parameters.pos_stddev_threshold && _gps.epv_m < _parameters.pos_stddev_threshold) { - if (!_gps_initialized && (_ekf->GPSstatus == 3)) { - _ekf->velNED[0] = _gps.vel_n_m_s; - _ekf->velNED[1] = _gps.vel_e_m_s; - _ekf->velNED[2] = _gps.vel_d_m_s; + initVelNED[0] = _gps.vel_n_m_s; + initVelNED[1] = _gps.vel_e_m_s; + initVelNED[2] = _gps.vel_d_m_s; - double lat = _gps.lat * 1e-7; - double lon = _gps.lon * 1e-7; - float alt = _gps.alt * 1e-3; + // GPS is in scaled integers, convert + double lat = _gps.lat / 1.0e7; + double lon = _gps.lon / 1.0e7; + float gps_alt = _gps.alt / 1e3f; - _ekf->InitialiseFilter(_ekf->velNED); + // Set up height correctly + orb_copy(ORB_ID(sensor_baro), _baro_sub, &_baro); + _baro_gps_offset = _baro_ref - _baro.altitude; + _ekf->baroHgt = _baro.altitude; + _ekf->hgtMea = 1.0f * (_ekf->baroHgt - (_baro_ref)); + + // Set up position variables correctly + _ekf->GPSstatus = _gps.fix_type; + + _ekf->gpsLat = math::radians(lat); + _ekf->gpsLon = math::radians(lon) - M_PI; + _ekf->gpsHgt = gps_alt; + + // Look up mag declination based on current position + float declination = math::radians(get_mag_declination(lat, lon)); + + _ekf->InitialiseFilter(initVelNED, math::radians(lat), math::radians(lon) - M_PI, gps_alt, declination); // Initialize projection - _local_pos.ref_lat = _gps.lat; - _local_pos.ref_lon = _gps.lon; - _local_pos.ref_alt = alt; + _local_pos.ref_lat = lat; + _local_pos.ref_lon = lon; + _local_pos.ref_alt = gps_alt; _local_pos.ref_timestamp = _gps.timestamp_position; - // Store - orb_copy(ORB_ID(sensor_baro), _baro_sub, &_baro); - _baro_ref = _baro.altitude; - _ekf->baroHgt = _baro.altitude - _baro_ref; - _baro_gps_offset = _baro_ref - _local_pos.ref_alt; - - // XXX this is not multithreading safe map_projection_init(&_pos_ref, lat, lon); - mavlink_log_info(_mavlink_fd, "[position estimator] init ref: lat=%.7f, lon=%.7f, alt=%.2f", lat, lon, alt); + mavlink_log_info(_mavlink_fd, "[ekf] ref: LA %.4f,LO %.4f,ALT %.2f", lat, lon, (double)gps_alt); + warnx("HOME/REF: LA %8.4f,LO %8.4f,ALT %8.2f V: %8.4f %8.4f %8.4f", lat, lon, (double)gps_alt, + (double)_ekf->velNED[0], (double)_ekf->velNED[1], (double)_ekf->velNED[2]); + warnx("BARO: %8.4f m / ref: %8.4f m / gps offs: %8.4f m", (double)_ekf->baroHgt, (double)_baro_ref, (double)_baro_gps_offset); + warnx("GPS: eph: %8.4f, epv: %8.4f, declination: %8.4f", (double)_gps.eph_m, (double)_gps.epv_m, (double)math::degrees(declination)); _gps_initialized = true; } else if (!_ekf->statesInitialised) { - _ekf->velNED[0] = 0.0f; - _ekf->velNED[1] = 0.0f; - _ekf->velNED[2] = 0.0f; + + initVelNED[0] = 0.0f; + initVelNED[1] = 0.0f; + initVelNED[2] = 0.0f; _ekf->posNED[0] = 0.0f; _ekf->posNED[1] = 0.0f; _ekf->posNED[2] = 0.0f; _ekf->posNE[0] = _ekf->posNED[0]; _ekf->posNE[1] = _ekf->posNED[1]; - _ekf->InitialiseFilter(_ekf->velNED); + + _local_pos.ref_alt = _baro_ref; + _baro_gps_offset = 0.0f; + + _ekf->InitialiseFilter(initVelNED, 0.0, 0.0, 0.0f, 0.0f); } } @@ -872,10 +1121,10 @@ FixedwingEstimator::task_main() // perform a covariance prediction if the total delta angle has exceeded the limit // or the time limit will be exceeded at the next IMU update - if ((dt >= (covTimeStepMax - _ekf->dtIMU)) || (_ekf->summedDelAng.length() > covDelAngMax)) { + if ((dt >= (_ekf->covTimeStepMax - _ekf->dtIMU)) || (_ekf->summedDelAng.length() > _ekf->covDelAngMax)) { _ekf->CovariancePrediction(dt); - _ekf->summedDelAng = _ekf->summedDelAng.zero(); - _ekf->summedDelVel = _ekf->summedDelVel.zero(); + _ekf->summedDelAng.zero(); + _ekf->summedDelVel.zero(); dt = 0.0f; } @@ -926,9 +1175,9 @@ FixedwingEstimator::task_main() _ekf->fusePosData = false; } - if (newAdsData && _ekf->statesInitialised) { + if (newHgtData && _ekf->statesInitialised) { // Could use a blend of GPS and baro alt data if desired - _ekf->hgtMea = 1.0f * _ekf->baroHgt + 0.0f * _ekf->gpsHgt; + _ekf->hgtMea = 1.0f * (_ekf->baroHgt - _baro_ref); _ekf->fuseHgtData = true; // recall states stored at time of measurement after adjusting for delays _ekf->RecallStates(_ekf->statesAtHgtTime, (IMUmsec - _parameters.height_delay_ms)); @@ -1017,7 +1266,8 @@ FixedwingEstimator::task_main() _local_pos.timestamp = last_sensor_timestamp; _local_pos.x = _ekf->states[7]; _local_pos.y = _ekf->states[8]; - _local_pos.z = _ekf->states[9]; + // XXX need to announce change of Z reference somehow elegantly + _local_pos.z = _ekf->states[9] - _baro_gps_offset; _local_pos.vx = _ekf->states[4]; _local_pos.vy = _ekf->states[5]; @@ -1050,6 +1300,8 @@ FixedwingEstimator::task_main() _global_pos.lat = est_lat; _global_pos.lon = est_lon; _global_pos.time_gps_usec = _gps.time_gps_usec; + _global_pos.eph = _gps.eph_m; + _global_pos.epv = _gps.epv_m; } if (_local_pos.v_xy_valid) { @@ -1060,8 +1312,8 @@ FixedwingEstimator::task_main() _global_pos.vel_e = 0.0f; } - /* local pos alt is negative, change sign and add alt offset */ - _global_pos.alt = _local_pos.ref_alt + (-_local_pos.z); + /* local pos alt is negative, change sign and add alt offsets */ + _global_pos.alt = _local_pos.ref_alt + _baro_gps_offset + (-_local_pos.z); if (_local_pos.v_z_valid) { _global_pos.vel_d = _local_pos.vz; @@ -1102,7 +1354,7 @@ FixedwingEstimator::start() ASSERT(_estimator_task == -1); /* start the task */ - _estimator_task = task_spawn_cmd("fw_att_pos_estimator", + _estimator_task = task_spawn_cmd("ekf_att_pos_estimator", SCHED_DEFAULT, SCHED_PRIORITY_MAX - 40, 6000, @@ -1136,7 +1388,8 @@ FixedwingEstimator::print_status() // 15-17: Earth Magnetic Field Vector - gauss (North, East, Down) // 18-20: Body Magnetic Field Vector - gauss (X,Y,Z) - printf("dtIMU: %8.6f dt: %8.6f IMUmsec: %d\n", _ekf->dtIMU, dt, (int)IMUmsec); + printf("dtIMU: %8.6f IMUmsec: %d\n", (double)_ekf->dtIMU, (int)IMUmsec); + printf("ref alt: %8.6f\n", (double)_local_pos.ref_alt); printf("dvel: %8.6f %8.6f %8.6f accel: %8.6f %8.6f %8.6f\n", (double)_ekf->dVelIMU.x, (double)_ekf->dVelIMU.y, (double)_ekf->dVelIMU.z, (double)_ekf->accel.x, (double)_ekf->accel.y, (double)_ekf->accel.z); printf("dang: %8.4f %8.4f %8.4f dang corr: %8.4f %8.4f %8.4f\n" , (double)_ekf->dAngIMU.x, (double)_ekf->dAngIMU.y, (double)_ekf->dAngIMU.z, (double)_ekf->correctedDelAng.x, (double)_ekf->correctedDelAng.y, (double)_ekf->correctedDelAng.z); printf("states (quat) [1-4]: %8.4f, %8.4f, %8.4f, %8.4f\n", (double)_ekf->states[0], (double)_ekf->states[1], (double)_ekf->states[2], (double)_ekf->states[3]); @@ -1180,13 +1433,13 @@ int FixedwingEstimator::trip_nan() { _ekf->states[5] = nan_val; usleep(100000); - // warnx("tripping covariance #1 with NaN values"); - // KH[2][2] = nan_val; // intermediate result used for covariance updates - // usleep(100000); + warnx("tripping covariance #1 with NaN values"); + _ekf->KH[2][2] = nan_val; // intermediate result used for covariance updates + usleep(100000); - // warnx("tripping covariance #2 with NaN values"); - // KHP[5][5] = nan_val; // intermediate result used for covariance updates - // usleep(100000); + warnx("tripping covariance #2 with NaN values"); + _ekf->KHP[5][5] = nan_val; // intermediate result used for covariance updates + usleep(100000); warnx("tripping covariance #3 with NaN values"); _ekf->P[3][3] = nan_val; // covariance matrix @@ -1208,10 +1461,10 @@ int FixedwingEstimator::trip_nan() { return ret; } -int fw_att_pos_estimator_main(int argc, char *argv[]) +int ekf_att_pos_estimator_main(int argc, char *argv[]) { if (argc < 1) - errx(1, "usage: fw_att_pos_estimator {start|stop|status}"); + errx(1, "usage: ekf_att_pos_estimator {start|stop|status}"); if (!strcmp(argv[1], "start")) { diff --git a/src/modules/ekf_att_pos_estimator/ekf_att_pos_estimator_params.c b/src/modules/ekf_att_pos_estimator/ekf_att_pos_estimator_params.c new file mode 100644 index 000000000..8c82dd6c1 --- /dev/null +++ b/src/modules/ekf_att_pos_estimator/ekf_att_pos_estimator_params.c @@ -0,0 +1,271 @@ +/**************************************************************************** + * + * Copyright (c) 2013, 2014 PX4 Development Team. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name PX4 nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/** + * @file ekf_att_pos_estimator_params.c + * + * Parameters defined by the attitude and position estimator task + * + * @author Lorenz Meier <lm@inf.ethz.ch> + */ + +#include <nuttx/config.h> + +#include <systemlib/param/param.h> + +/* + * Estimator parameters, accessible via MAVLink + * + */ + +/** + * Velocity estimate delay + * + * The delay in milliseconds of the velocity estimate from GPS. + * + * @min 0 + * @max 1000 + * @group Position Estimator + */ +PARAM_DEFINE_INT32(PE_VEL_DELAY_MS, 230); + +/** + * Position estimate delay + * + * The delay in milliseconds of the position estimate from GPS. + * + * @min 0 + * @max 1000 + * @group Position Estimator + */ +PARAM_DEFINE_INT32(PE_POS_DELAY_MS, 210); + +/** + * Height estimate delay + * + * The delay in milliseconds of the height estimate from the barometer. + * + * @min 0 + * @max 1000 + * @group Position Estimator + */ +PARAM_DEFINE_INT32(PE_HGT_DELAY_MS, 350); + +/** + * Mag estimate delay + * + * The delay in milliseconds of the magnetic field estimate from + * the magnetometer. + * + * @min 0 + * @max 1000 + * @group Position Estimator + */ +PARAM_DEFINE_INT32(PE_MAG_DELAY_MS, 30); + +/** + * True airspeeed estimate delay + * + * The delay in milliseconds of the airspeed estimate. + * + * @min 0 + * @max 1000 + * @group Position Estimator + */ +PARAM_DEFINE_INT32(PE_TAS_DELAY_MS, 210); + +/** + * GPS vs. barometric altitude update weight + * + * RE-CHECK this. + * + * @min 0.0 + * @max 1.0 + * @group Position Estimator + */ +PARAM_DEFINE_FLOAT(PE_GPS_ALT_WGT, 0.9f); + +/** + * Airspeed measurement noise. + * + * Increasing this value will make the filter trust this sensor + * less and trust other sensors more. + * + * @min 0.5 + * @max 5.0 + * @group Position Estimator + */ +PARAM_DEFINE_FLOAT(PE_EAS_NOISE, 1.4f); + +/** + * Velocity measurement noise in north-east (horizontal) direction. + * + * Generic default: 0.3, multicopters: 0.5, ground vehicles: 0.5 + * + * @min 0.05 + * @max 5.0 + * @group Position Estimator + */ +PARAM_DEFINE_FLOAT(PE_VELNE_NOISE, 0.3f); + +/** + * Velocity noise in down (vertical) direction + * + * Generic default: 0.5, multicopters: 0.7, ground vehicles: 0.7 + * + * @min 0.05 + * @max 5.0 + * @group Position Estimator + */ +PARAM_DEFINE_FLOAT(PE_VELD_NOISE, 0.5f); + +/** + * Position noise in north-east (horizontal) direction + * + * Generic defaults: 0.5, multicopters: 0.5, ground vehicles: 0.5 + * + * @min 0.1 + * @max 10.0 + * @group Position Estimator + */ +PARAM_DEFINE_FLOAT(PE_POSNE_NOISE, 0.5f); + +/** + * Position noise in down (vertical) direction + * + * Generic defaults: 0.5, multicopters: 1.0, ground vehicles: 1.0 + * + * @min 0.1 + * @max 10.0 + * @group Position Estimator + */ +PARAM_DEFINE_FLOAT(PE_POSD_NOISE, 0.5f); + +/** + * Magnetometer measurement noise + * + * Generic defaults: 0.05, multicopters: 0.05, ground vehicles: 0.05 + * + * @min 0.1 + * @max 10.0 + * @group Position Estimator + */ +PARAM_DEFINE_FLOAT(PE_MAG_NOISE, 0.05f); + +/** + * Gyro process noise + * + * Generic defaults: 0.015, multicopters: 0.015, ground vehicles: 0.015. + * This noise controls how much the filter trusts the gyro measurements. + * Increasing it makes the filter trust the gyro less and other sensors more. + * + * @min 0.001 + * @max 0.05 + * @group Position Estimator + */ +PARAM_DEFINE_FLOAT(PE_GYRO_PNOISE, 0.015f); + +/** + * Accelerometer process noise + * + * Generic defaults: 0.25, multicopters: 0.25, ground vehicles: 0.25. + * Increasing this value makes the filter trust the accelerometer less + * and other sensors more. + * + * @min 0.05 + * @max 1.0 + * @group Position Estimator + */ +PARAM_DEFINE_FLOAT(PE_ACC_PNOISE, 0.25f); + +/** + * Gyro bias estimate process noise + * + * Generic defaults: 1e-07f, multicopters: 1e-07f, ground vehicles: 1e-07f. + * Increasing this value will make the gyro bias converge faster but noisier. + * + * @min 0.0000001 + * @max 0.00001 + * @group Position Estimator + */ +PARAM_DEFINE_FLOAT(PE_GBIAS_PNOISE, 1e-07f); + +/** + * Accelerometer bias estimate process noise + * + * Generic defaults: 0.0001f, multicopters: 0.0001f, ground vehicles: 0.0001f. + * Increasing this value makes the bias estimation faster and noisier. + * + * @min 0.00001 + * @max 0.001 + * @group Position Estimator + */ +PARAM_DEFINE_FLOAT(PE_ABIAS_PNOISE, 0.00005f); + +/** + * Magnetometer earth frame offsets process noise + * + * Generic defaults: 0.0001, multicopters: 0.0001, ground vehicles: 0.0001. + * Increasing this value makes the magnetometer earth bias estimate converge + * faster but also noisier. + * + * @min 0.0001 + * @max 0.01 + * @group Position Estimator + */ +PARAM_DEFINE_FLOAT(PE_MAGE_PNOISE, 0.0003f); + +/** + * Magnetometer body frame offsets process noise + * + * Generic defaults: 0.0003, multicopters: 0.0003, ground vehicles: 0.0003. + * Increasing this value makes the magnetometer body bias estimate converge faster + * but also noisier. + * + * @min 0.0001 + * @max 0.01 + * @group Position Estimator + */ +PARAM_DEFINE_FLOAT(PE_MAGB_PNOISE, 0.0003f); + +/** + * Threshold for filter initialization. + * + * If the standard deviation of the GPS position estimate is below this threshold + * in meters, the filter will initialize. + * + * @min 0.3 + * @max 10.0 + * @group Position Estimator + */ +PARAM_DEFINE_FLOAT(PE_POSDEV_INIT, 5.0f); diff --git a/src/modules/ekf_att_pos_estimator/estimator.cpp b/src/modules/ekf_att_pos_estimator/estimator.cpp new file mode 100644 index 000000000..5db1adbb3 --- /dev/null +++ b/src/modules/ekf_att_pos_estimator/estimator.cpp @@ -0,0 +1,2609 @@ +#include "estimator.h" +#include <string.h> +#include <stdarg.h> + +// Define EKF_DEBUG here to enable the debug print calls +// if the macro is not set, these will be completely +// optimized out by the compiler. +//#define EKF_DEBUG + +#ifdef EKF_DEBUG +#include <stdio.h> + +static void +ekf_debug_print(const char *fmt, va_list args) +{ + fprintf(stderr, "%s: ", "[ekf]"); + vfprintf(stderr, fmt, args); + + fprintf(stderr, "\n"); +} + +static void +ekf_debug(const char *fmt, ...) +{ + va_list args; + + va_start(args, fmt); + ekf_debug_print(fmt, args); +} + +#else + +static void ekf_debug(const char *fmt, ...) { while(0){} } +#endif + +float Vector3f::length(void) const +{ + return sqrt(x*x + y*y + z*z); +} + +void Vector3f::zero(void) +{ + x = 0.0f; + y = 0.0f; + z = 0.0f; +} + +Mat3f::Mat3f() { + identity(); +} + +void Mat3f::identity() { + x.x = 1.0f; + x.y = 0.0f; + x.z = 0.0f; + + y.x = 0.0f; + y.y = 1.0f; + y.z = 0.0f; + + z.x = 0.0f; + z.y = 0.0f; + z.z = 1.0f; +} + +Mat3f Mat3f::transpose(void) const +{ + Mat3f ret = *this; + swap_var(ret.x.y, ret.y.x); + swap_var(ret.x.z, ret.z.x); + swap_var(ret.y.z, ret.z.y); + return ret; +} + +// overload + operator to provide a vector addition +Vector3f operator+( Vector3f vecIn1, Vector3f vecIn2) +{ + Vector3f vecOut; + vecOut.x = vecIn1.x + vecIn2.x; + vecOut.y = vecIn1.y + vecIn2.y; + vecOut.z = vecIn1.z + vecIn2.z; + return vecOut; +} + +// overload - operator to provide a vector subtraction +Vector3f operator-( Vector3f vecIn1, Vector3f vecIn2) +{ + Vector3f vecOut; + vecOut.x = vecIn1.x - vecIn2.x; + vecOut.y = vecIn1.y - vecIn2.y; + vecOut.z = vecIn1.z - vecIn2.z; + return vecOut; +} + +// overload * operator to provide a matrix vector product +Vector3f operator*( Mat3f matIn, Vector3f vecIn) +{ + Vector3f vecOut; + vecOut.x = matIn.x.x*vecIn.x + matIn.x.y*vecIn.y + matIn.x.z*vecIn.z; + vecOut.y = matIn.y.x*vecIn.x + matIn.y.y*vecIn.y + matIn.y.z*vecIn.z; + vecOut.z = matIn.x.x*vecIn.x + matIn.z.y*vecIn.y + matIn.z.z*vecIn.z; + return vecOut; +} + +// overload % operator to provide a vector cross product +Vector3f operator%( Vector3f vecIn1, Vector3f vecIn2) +{ + Vector3f vecOut; + vecOut.x = vecIn1.y*vecIn2.z - vecIn1.z*vecIn2.y; + vecOut.y = vecIn1.z*vecIn2.x - vecIn1.x*vecIn2.z; + vecOut.z = vecIn1.x*vecIn2.y - vecIn1.y*vecIn2.x; + return vecOut; +} + +// overload * operator to provide a vector scaler product +Vector3f operator*(Vector3f vecIn1, float sclIn1) +{ + Vector3f vecOut; + vecOut.x = vecIn1.x * sclIn1; + vecOut.y = vecIn1.y * sclIn1; + vecOut.z = vecIn1.z * sclIn1; + return vecOut; +} + +// overload * operator to provide a vector scaler product +Vector3f operator*(float sclIn1, Vector3f vecIn1) +{ + Vector3f vecOut; + vecOut.x = vecIn1.x * sclIn1; + vecOut.y = vecIn1.y * sclIn1; + vecOut.z = vecIn1.z * sclIn1; + return vecOut; +} + +void swap_var(float &d1, float &d2) +{ + float tmp = d1; + d1 = d2; + d2 = tmp; +} + +AttPosEKF::AttPosEKF() + + /* NOTE: DO NOT initialize class members here. Use ZeroVariables() + * instead to allow clean in-air re-initialization. + */ +{ + + ZeroVariables(); + InitialiseParameters(); +} + +AttPosEKF::~AttPosEKF() +{ +} + +void AttPosEKF::UpdateStrapdownEquationsNED() +{ + Vector3f delVelNav; + float q00; + float q11; + float q22; + float q33; + float q01; + float q02; + float q03; + float q12; + float q13; + float q23; + float rotationMag; + float qUpdated[4]; + float quatMag; + float deltaQuat[4]; + const Vector3f gravityNED = {0.0,0.0,GRAVITY_MSS}; + +// Remove sensor bias errors + correctedDelAng.x = dAngIMU.x - states[10]; + correctedDelAng.y = dAngIMU.y - states[11]; + correctedDelAng.z = dAngIMU.z - states[12]; + dVelIMU.x = dVelIMU.x; + dVelIMU.y = dVelIMU.y; + dVelIMU.z = dVelIMU.z - states[13]; + +// Save current measurements + Vector3f prevDelAng = correctedDelAng; + +// Apply corrections for earths rotation rate and coning errors +// * and + operators have been overloaded + correctedDelAng = correctedDelAng - Tnb*earthRateNED*dtIMU + 8.333333333333333e-2f*(prevDelAng % correctedDelAng); + +// Convert the rotation vector to its equivalent quaternion + rotationMag = correctedDelAng.length(); + if (rotationMag < 1e-12f) + { + deltaQuat[0] = 1.0; + deltaQuat[1] = 0.0; + deltaQuat[2] = 0.0; + deltaQuat[3] = 0.0; + } + else + { + deltaQuat[0] = cosf(0.5f*rotationMag); + float rotScaler = (sinf(0.5f*rotationMag))/rotationMag; + deltaQuat[1] = correctedDelAng.x*rotScaler; + deltaQuat[2] = correctedDelAng.y*rotScaler; + deltaQuat[3] = correctedDelAng.z*rotScaler; + } + +// Update the quaternions by rotating from the previous attitude through +// the delta angle rotation quaternion + qUpdated[0] = states[0]*deltaQuat[0] - states[1]*deltaQuat[1] - states[2]*deltaQuat[2] - states[3]*deltaQuat[3]; + qUpdated[1] = states[0]*deltaQuat[1] + states[1]*deltaQuat[0] + states[2]*deltaQuat[3] - states[3]*deltaQuat[2]; + qUpdated[2] = states[0]*deltaQuat[2] + states[2]*deltaQuat[0] + states[3]*deltaQuat[1] - states[1]*deltaQuat[3]; + qUpdated[3] = states[0]*deltaQuat[3] + states[3]*deltaQuat[0] + states[1]*deltaQuat[2] - states[2]*deltaQuat[1]; + +// Normalise the quaternions and update the quaternion states + quatMag = sqrtf(sq(qUpdated[0]) + sq(qUpdated[1]) + sq(qUpdated[2]) + sq(qUpdated[3])); + if (quatMag > 1e-16f) + { + float quatMagInv = 1.0f/quatMag; + states[0] = quatMagInv*qUpdated[0]; + states[1] = quatMagInv*qUpdated[1]; + states[2] = quatMagInv*qUpdated[2]; + states[3] = quatMagInv*qUpdated[3]; + } + +// Calculate the body to nav cosine matrix + q00 = sq(states[0]); + q11 = sq(states[1]); + q22 = sq(states[2]); + q33 = sq(states[3]); + q01 = states[0]*states[1]; + q02 = states[0]*states[2]; + q03 = states[0]*states[3]; + q12 = states[1]*states[2]; + q13 = states[1]*states[3]; + q23 = states[2]*states[3]; + + Tbn.x.x = q00 + q11 - q22 - q33; + Tbn.y.y = q00 - q11 + q22 - q33; + Tbn.z.z = q00 - q11 - q22 + q33; + Tbn.x.y = 2*(q12 - q03); + Tbn.x.z = 2*(q13 + q02); + Tbn.y.x = 2*(q12 + q03); + Tbn.y.z = 2*(q23 - q01); + Tbn.z.x = 2*(q13 - q02); + Tbn.z.y = 2*(q23 + q01); + + Tnb = Tbn.transpose(); + +// transform body delta velocities to delta velocities in the nav frame +// * and + operators have been overloaded + //delVelNav = Tbn*dVelIMU + gravityNED*dtIMU; + delVelNav.x = Tbn.x.x*dVelIMU.x + Tbn.x.y*dVelIMU.y + Tbn.x.z*dVelIMU.z + gravityNED.x*dtIMU; + delVelNav.y = Tbn.y.x*dVelIMU.x + Tbn.y.y*dVelIMU.y + Tbn.y.z*dVelIMU.z + gravityNED.y*dtIMU; + delVelNav.z = Tbn.z.x*dVelIMU.x + Tbn.z.y*dVelIMU.y + Tbn.z.z*dVelIMU.z + gravityNED.z*dtIMU; + +// calculate the magnitude of the nav acceleration (required for GPS +// variance estimation) + accNavMag = delVelNav.length()/dtIMU; + +// If calculating position save previous velocity + float lastVelocity[3]; + lastVelocity[0] = states[4]; + lastVelocity[1] = states[5]; + lastVelocity[2] = states[6]; + +// Sum delta velocities to get velocity + states[4] = states[4] + delVelNav.x; + states[5] = states[5] + delVelNav.y; + states[6] = states[6] + delVelNav.z; + +// If calculating postions, do a trapezoidal integration for position + states[7] = states[7] + 0.5f*(states[4] + lastVelocity[0])*dtIMU; + states[8] = states[8] + 0.5f*(states[5] + lastVelocity[1])*dtIMU; + states[9] = states[9] + 0.5f*(states[6] + lastVelocity[2])*dtIMU; + + // Constrain states (to protect against filter divergence) + ConstrainStates(); +} + +void AttPosEKF::CovariancePrediction(float dt) +{ + // scalars + float daxCov; + float dayCov; + float dazCov; + float dvxCov; + float dvyCov; + float dvzCov; + float dvx; + float dvy; + float dvz; + float dax; + float day; + float daz; + float q0; + float q1; + float q2; + float q3; + float dax_b; + float day_b; + float daz_b; + float dvz_b; + + // arrays + float processNoise[n_states]; + float SF[15]; + float SG[8]; + float SQ[11]; + float SPP[8] = {0}; + float nextP[n_states][n_states]; + + // calculate covariance prediction process noise + for (uint8_t i= 0; i<=9; i++) processNoise[i] = 1.0e-9f; + for (uint8_t i=10; i<=12; i++) processNoise[i] = dt * dAngBiasSigma; + // scale gyro bias noise when on ground to allow for faster bias estimation + for (uint8_t i=10; i<=12; i++) processNoise[i] = dt * dAngBiasSigma; + processNoise[13] = dVelBiasSigma; + for (uint8_t i=14; i<=15; i++) processNoise[i] = dt * windVelSigma; + for (uint8_t i=16; i<=18; i++) processNoise[i] = dt * magEarthSigma; + for (uint8_t i=19; i<=21; i++) processNoise[i] = dt * magBodySigma; + processNoise[22] = dt * sqrtf(sq(states[4]) + sq(states[5])) * gndHgtSigma; + + // square all sigmas + for (unsigned i = 0; i < n_states; i++) processNoise[i] = sq(processNoise[i]); + + // set variables used to calculate covariance growth + dvx = summedDelVel.x; + dvy = summedDelVel.y; + dvz = summedDelVel.z; + dax = summedDelAng.x; + day = summedDelAng.y; + daz = summedDelAng.z; + q0 = states[0]; + q1 = states[1]; + q2 = states[2]; + q3 = states[3]; + dax_b = states[10]; + day_b = states[11]; + daz_b = states[12]; + dvz_b = states[13]; + gyroProcessNoise = ConstrainFloat(gyroProcessNoise, 1e-3f, 5e-2f); + daxCov = sq(dt*gyroProcessNoise); + dayCov = sq(dt*gyroProcessNoise); + dazCov = sq(dt*gyroProcessNoise); + if (onGround) dazCov = dazCov * sq(yawVarScale); + accelProcessNoise = ConstrainFloat(accelProcessNoise, 5e-2, 1.0f); + dvxCov = sq(dt*accelProcessNoise); + dvyCov = sq(dt*accelProcessNoise); + dvzCov = sq(dt*accelProcessNoise); + + // Predicted covariance calculation + SF[0] = dvz - dvz_b; + SF[1] = 2*q3*SF[0] + 2*dvx*q1 + 2*dvy*q2; + SF[2] = 2*dvx*q3 - 2*q1*SF[0] + 2*dvy*q0; + SF[3] = 2*q2*SF[0] + 2*dvx*q0 - 2*dvy*q3; + SF[4] = day/2 - day_b/2; + SF[5] = daz/2 - daz_b/2; + SF[6] = dax/2 - dax_b/2; + SF[7] = dax_b/2 - dax/2; + SF[8] = daz_b/2 - daz/2; + SF[9] = day_b/2 - day/2; + SF[10] = 2*q0*SF[0]; + SF[11] = q1/2; + SF[12] = q2/2; + SF[13] = q3/2; + SF[14] = 2*dvy*q1; + + SG[0] = q0/2; + SG[1] = sq(q3); + SG[2] = sq(q2); + SG[3] = sq(q1); + SG[4] = sq(q0); + SG[5] = 2*q2*q3; + SG[6] = 2*q1*q3; + SG[7] = 2*q1*q2; + + SQ[0] = dvzCov*(SG[5] - 2*q0*q1)*(SG[1] - SG[2] - SG[3] + SG[4]) - dvyCov*(SG[5] + 2*q0*q1)*(SG[1] - SG[2] + SG[3] - SG[4]) + dvxCov*(SG[6] - 2*q0*q2)*(SG[7] + 2*q0*q3); + SQ[1] = dvzCov*(SG[6] + 2*q0*q2)*(SG[1] - SG[2] - SG[3] + SG[4]) - dvxCov*(SG[6] - 2*q0*q2)*(SG[1] + SG[2] - SG[3] - SG[4]) + dvyCov*(SG[5] + 2*q0*q1)*(SG[7] - 2*q0*q3); + SQ[2] = dvzCov*(SG[5] - 2*q0*q1)*(SG[6] + 2*q0*q2) - dvyCov*(SG[7] - 2*q0*q3)*(SG[1] - SG[2] + SG[3] - SG[4]) - dvxCov*(SG[7] + 2*q0*q3)*(SG[1] + SG[2] - SG[3] - SG[4]); + SQ[3] = (dayCov*q1*SG[0])/2 - (dazCov*q1*SG[0])/2 - (daxCov*q2*q3)/4; + SQ[4] = (dazCov*q2*SG[0])/2 - (daxCov*q2*SG[0])/2 - (dayCov*q1*q3)/4; + SQ[5] = (daxCov*q3*SG[0])/2 - (dayCov*q3*SG[0])/2 - (dazCov*q1*q2)/4; + SQ[6] = (daxCov*q1*q2)/4 - (dazCov*q3*SG[0])/2 - (dayCov*q1*q2)/4; + SQ[7] = (dazCov*q1*q3)/4 - (daxCov*q1*q3)/4 - (dayCov*q2*SG[0])/2; + SQ[8] = (dayCov*q2*q3)/4 - (daxCov*q1*SG[0])/2 - (dazCov*q2*q3)/4; + SQ[9] = sq(SG[0]); + SQ[10] = sq(q1); + + SPP[0] = SF[10] + SF[14] - 2*dvx*q2; + SPP[1] = 2*q2*SF[0] + 2*dvx*q0 - 2*dvy*q3; + SPP[2] = 2*dvx*q3 - 2*q1*SF[0] + 2*dvy*q0; + SPP[3] = 2*q0*q1 - 2*q2*q3; + SPP[4] = 2*q0*q2 + 2*q1*q3; + SPP[5] = sq(q0) - sq(q1) - sq(q2) + sq(q3); + SPP[6] = SF[13]; + SPP[7] = SF[12]; + + nextP[0][0] = P[0][0] + P[1][0]*SF[7] + P[2][0]*SF[9] + P[3][0]*SF[8] + P[10][0]*SF[11] + P[11][0]*SPP[7] + P[12][0]*SPP[6] + (daxCov*SQ[10])/4 + SF[7]*(P[0][1] + P[1][1]*SF[7] + P[2][1]*SF[9] + P[3][1]*SF[8] + P[10][1]*SF[11] + P[11][1]*SPP[7] + P[12][1]*SPP[6]) + SF[9]*(P[0][2] + P[1][2]*SF[7] + P[2][2]*SF[9] + P[3][2]*SF[8] + P[10][2]*SF[11] + P[11][2]*SPP[7] + P[12][2]*SPP[6]) + SF[8]*(P[0][3] + P[1][3]*SF[7] + P[2][3]*SF[9] + P[3][3]*SF[8] + P[10][3]*SF[11] + P[11][3]*SPP[7] + P[12][3]*SPP[6]) + SF[11]*(P[0][10] + P[1][10]*SF[7] + P[2][10]*SF[9] + P[3][10]*SF[8] + P[10][10]*SF[11] + P[11][10]*SPP[7] + P[12][10]*SPP[6]) + SPP[7]*(P[0][11] + P[1][11]*SF[7] + P[2][11]*SF[9] + P[3][11]*SF[8] + P[10][11]*SF[11] + P[11][11]*SPP[7] + P[12][11]*SPP[6]) + SPP[6]*(P[0][12] + P[1][12]*SF[7] + P[2][12]*SF[9] + P[3][12]*SF[8] + P[10][12]*SF[11] + P[11][12]*SPP[7] + P[12][12]*SPP[6]) + (dayCov*sq(q2))/4 + (dazCov*sq(q3))/4; + nextP[0][1] = P[0][1] + SQ[8] + P[1][1]*SF[7] + P[2][1]*SF[9] + P[3][1]*SF[8] + P[10][1]*SF[11] + P[11][1]*SPP[7] + P[12][1]*SPP[6] + SF[6]*(P[0][0] + P[1][0]*SF[7] + P[2][0]*SF[9] + P[3][0]*SF[8] + P[10][0]*SF[11] + P[11][0]*SPP[7] + P[12][0]*SPP[6]) + SF[5]*(P[0][2] + P[1][2]*SF[7] + P[2][2]*SF[9] + P[3][2]*SF[8] + P[10][2]*SF[11] + P[11][2]*SPP[7] + P[12][2]*SPP[6]) + SF[9]*(P[0][3] + P[1][3]*SF[7] + P[2][3]*SF[9] + P[3][3]*SF[8] + P[10][3]*SF[11] + P[11][3]*SPP[7] + P[12][3]*SPP[6]) + SPP[6]*(P[0][11] + P[1][11]*SF[7] + P[2][11]*SF[9] + P[3][11]*SF[8] + P[10][11]*SF[11] + P[11][11]*SPP[7] + P[12][11]*SPP[6]) - SPP[7]*(P[0][12] + P[1][12]*SF[7] + P[2][12]*SF[9] + P[3][12]*SF[8] + P[10][12]*SF[11] + P[11][12]*SPP[7] + P[12][12]*SPP[6]) - (q0*(P[0][10] + P[1][10]*SF[7] + P[2][10]*SF[9] + P[3][10]*SF[8] + P[10][10]*SF[11] + P[11][10]*SPP[7] + P[12][10]*SPP[6]))/2; + nextP[0][2] = P[0][2] + SQ[7] + P[1][2]*SF[7] + P[2][2]*SF[9] + P[3][2]*SF[8] + P[10][2]*SF[11] + P[11][2]*SPP[7] + P[12][2]*SPP[6] + SF[4]*(P[0][0] + P[1][0]*SF[7] + P[2][0]*SF[9] + P[3][0]*SF[8] + P[10][0]*SF[11] + P[11][0]*SPP[7] + P[12][0]*SPP[6]) + SF[8]*(P[0][1] + P[1][1]*SF[7] + P[2][1]*SF[9] + P[3][1]*SF[8] + P[10][1]*SF[11] + P[11][1]*SPP[7] + P[12][1]*SPP[6]) + SF[6]*(P[0][3] + P[1][3]*SF[7] + P[2][3]*SF[9] + P[3][3]*SF[8] + P[10][3]*SF[11] + P[11][3]*SPP[7] + P[12][3]*SPP[6]) + SF[11]*(P[0][12] + P[1][12]*SF[7] + P[2][12]*SF[9] + P[3][12]*SF[8] + P[10][12]*SF[11] + P[11][12]*SPP[7] + P[12][12]*SPP[6]) - SPP[6]*(P[0][10] + P[1][10]*SF[7] + P[2][10]*SF[9] + P[3][10]*SF[8] + P[10][10]*SF[11] + P[11][10]*SPP[7] + P[12][10]*SPP[6]) - (q0*(P[0][11] + P[1][11]*SF[7] + P[2][11]*SF[9] + P[3][11]*SF[8] + P[10][11]*SF[11] + P[11][11]*SPP[7] + P[12][11]*SPP[6]))/2; + nextP[0][3] = P[0][3] + SQ[6] + P[1][3]*SF[7] + P[2][3]*SF[9] + P[3][3]*SF[8] + P[10][3]*SF[11] + P[11][3]*SPP[7] + P[12][3]*SPP[6] + SF[5]*(P[0][0] + P[1][0]*SF[7] + P[2][0]*SF[9] + P[3][0]*SF[8] + P[10][0]*SF[11] + P[11][0]*SPP[7] + P[12][0]*SPP[6]) + SF[4]*(P[0][1] + P[1][1]*SF[7] + P[2][1]*SF[9] + P[3][1]*SF[8] + P[10][1]*SF[11] + P[11][1]*SPP[7] + P[12][1]*SPP[6]) + SF[7]*(P[0][2] + P[1][2]*SF[7] + P[2][2]*SF[9] + P[3][2]*SF[8] + P[10][2]*SF[11] + P[11][2]*SPP[7] + P[12][2]*SPP[6]) - SF[11]*(P[0][11] + P[1][11]*SF[7] + P[2][11]*SF[9] + P[3][11]*SF[8] + P[10][11]*SF[11] + P[11][11]*SPP[7] + P[12][11]*SPP[6]) + SPP[7]*(P[0][10] + P[1][10]*SF[7] + P[2][10]*SF[9] + P[3][10]*SF[8] + P[10][10]*SF[11] + P[11][10]*SPP[7] + P[12][10]*SPP[6]) - (q0*(P[0][12] + P[1][12]*SF[7] + P[2][12]*SF[9] + P[3][12]*SF[8] + P[10][12]*SF[11] + P[11][12]*SPP[7] + P[12][12]*SPP[6]))/2; + nextP[0][4] = P[0][4] + P[1][4]*SF[7] + P[2][4]*SF[9] + P[3][4]*SF[8] + P[10][4]*SF[11] + P[11][4]*SPP[7] + P[12][4]*SPP[6] + SF[3]*(P[0][0] + P[1][0]*SF[7] + P[2][0]*SF[9] + P[3][0]*SF[8] + P[10][0]*SF[11] + P[11][0]*SPP[7] + P[12][0]*SPP[6]) + SF[1]*(P[0][1] + P[1][1]*SF[7] + P[2][1]*SF[9] + P[3][1]*SF[8] + P[10][1]*SF[11] + P[11][1]*SPP[7] + P[12][1]*SPP[6]) + SPP[0]*(P[0][2] + P[1][2]*SF[7] + P[2][2]*SF[9] + P[3][2]*SF[8] + P[10][2]*SF[11] + P[11][2]*SPP[7] + P[12][2]*SPP[6]) - SPP[2]*(P[0][3] + P[1][3]*SF[7] + P[2][3]*SF[9] + P[3][3]*SF[8] + P[10][3]*SF[11] + P[11][3]*SPP[7] + P[12][3]*SPP[6]) - SPP[4]*(P[0][13] + P[1][13]*SF[7] + P[2][13]*SF[9] + P[3][13]*SF[8] + P[10][13]*SF[11] + P[11][13]*SPP[7] + P[12][13]*SPP[6]); + nextP[0][5] = P[0][5] + P[1][5]*SF[7] + P[2][5]*SF[9] + P[3][5]*SF[8] + P[10][5]*SF[11] + P[11][5]*SPP[7] + P[12][5]*SPP[6] + SF[2]*(P[0][0] + P[1][0]*SF[7] + P[2][0]*SF[9] + P[3][0]*SF[8] + P[10][0]*SF[11] + P[11][0]*SPP[7] + P[12][0]*SPP[6]) + SF[1]*(P[0][2] + P[1][2]*SF[7] + P[2][2]*SF[9] + P[3][2]*SF[8] + P[10][2]*SF[11] + P[11][2]*SPP[7] + P[12][2]*SPP[6]) + SF[3]*(P[0][3] + P[1][3]*SF[7] + P[2][3]*SF[9] + P[3][3]*SF[8] + P[10][3]*SF[11] + P[11][3]*SPP[7] + P[12][3]*SPP[6]) - SPP[0]*(P[0][1] + P[1][1]*SF[7] + P[2][1]*SF[9] + P[3][1]*SF[8] + P[10][1]*SF[11] + P[11][1]*SPP[7] + P[12][1]*SPP[6]) + SPP[3]*(P[0][13] + P[1][13]*SF[7] + P[2][13]*SF[9] + P[3][13]*SF[8] + P[10][13]*SF[11] + P[11][13]*SPP[7] + P[12][13]*SPP[6]); + nextP[0][6] = P[0][6] + P[1][6]*SF[7] + P[2][6]*SF[9] + P[3][6]*SF[8] + P[10][6]*SF[11] + P[11][6]*SPP[7] + P[12][6]*SPP[6] + SF[2]*(P[0][1] + P[1][1]*SF[7] + P[2][1]*SF[9] + P[3][1]*SF[8] + P[10][1]*SF[11] + P[11][1]*SPP[7] + P[12][1]*SPP[6]) + SF[1]*(P[0][3] + P[1][3]*SF[7] + P[2][3]*SF[9] + P[3][3]*SF[8] + P[10][3]*SF[11] + P[11][3]*SPP[7] + P[12][3]*SPP[6]) + SPP[0]*(P[0][0] + P[1][0]*SF[7] + P[2][0]*SF[9] + P[3][0]*SF[8] + P[10][0]*SF[11] + P[11][0]*SPP[7] + P[12][0]*SPP[6]) - SPP[1]*(P[0][2] + P[1][2]*SF[7] + P[2][2]*SF[9] + P[3][2]*SF[8] + P[10][2]*SF[11] + P[11][2]*SPP[7] + P[12][2]*SPP[6]) - (sq(q0) - sq(q1) - sq(q2) + sq(q3))*(P[0][13] + P[1][13]*SF[7] + P[2][13]*SF[9] + P[3][13]*SF[8] + P[10][13]*SF[11] + P[11][13]*SPP[7] + P[12][13]*SPP[6]); + nextP[0][7] = P[0][7] + P[1][7]*SF[7] + P[2][7]*SF[9] + P[3][7]*SF[8] + P[10][7]*SF[11] + P[11][7]*SPP[7] + P[12][7]*SPP[6] + dt*(P[0][4] + P[1][4]*SF[7] + P[2][4]*SF[9] + P[3][4]*SF[8] + P[10][4]*SF[11] + P[11][4]*SPP[7] + P[12][4]*SPP[6]); + nextP[0][8] = P[0][8] + P[1][8]*SF[7] + P[2][8]*SF[9] + P[3][8]*SF[8] + P[10][8]*SF[11] + P[11][8]*SPP[7] + P[12][8]*SPP[6] + dt*(P[0][5] + P[1][5]*SF[7] + P[2][5]*SF[9] + P[3][5]*SF[8] + P[10][5]*SF[11] + P[11][5]*SPP[7] + P[12][5]*SPP[6]); + nextP[0][9] = P[0][9] + P[1][9]*SF[7] + P[2][9]*SF[9] + P[3][9]*SF[8] + P[10][9]*SF[11] + P[11][9]*SPP[7] + P[12][9]*SPP[6] + dt*(P[0][6] + P[1][6]*SF[7] + P[2][6]*SF[9] + P[3][6]*SF[8] + P[10][6]*SF[11] + P[11][6]*SPP[7] + P[12][6]*SPP[6]); + nextP[0][10] = P[0][10] + P[1][10]*SF[7] + P[2][10]*SF[9] + P[3][10]*SF[8] + P[10][10]*SF[11] + P[11][10]*SPP[7] + P[12][10]*SPP[6]; + nextP[0][11] = P[0][11] + P[1][11]*SF[7] + P[2][11]*SF[9] + P[3][11]*SF[8] + P[10][11]*SF[11] + P[11][11]*SPP[7] + P[12][11]*SPP[6]; + nextP[0][12] = P[0][12] + P[1][12]*SF[7] + P[2][12]*SF[9] + P[3][12]*SF[8] + P[10][12]*SF[11] + P[11][12]*SPP[7] + P[12][12]*SPP[6]; + nextP[0][13] = P[0][13] + P[1][13]*SF[7] + P[2][13]*SF[9] + P[3][13]*SF[8] + P[10][13]*SF[11] + P[11][13]*SPP[7] + P[12][13]*SPP[6]; + nextP[0][14] = P[0][14] + P[1][14]*SF[7] + P[2][14]*SF[9] + P[3][14]*SF[8] + P[10][14]*SF[11] + P[11][14]*SPP[7] + P[12][14]*SPP[6]; + nextP[0][15] = P[0][15] + P[1][15]*SF[7] + P[2][15]*SF[9] + P[3][15]*SF[8] + P[10][15]*SF[11] + P[11][15]*SPP[7] + P[12][15]*SPP[6]; + nextP[0][16] = P[0][16] + P[1][16]*SF[7] + P[2][16]*SF[9] + P[3][16]*SF[8] + P[10][16]*SF[11] + P[11][16]*SPP[7] + P[12][16]*SPP[6]; + nextP[0][17] = P[0][17] + P[1][17]*SF[7] + P[2][17]*SF[9] + P[3][17]*SF[8] + P[10][17]*SF[11] + P[11][17]*SPP[7] + P[12][17]*SPP[6]; + nextP[0][18] = P[0][18] + P[1][18]*SF[7] + P[2][18]*SF[9] + P[3][18]*SF[8] + P[10][18]*SF[11] + P[11][18]*SPP[7] + P[12][18]*SPP[6]; + nextP[0][19] = P[0][19] + P[1][19]*SF[7] + P[2][19]*SF[9] + P[3][19]*SF[8] + P[10][19]*SF[11] + P[11][19]*SPP[7] + P[12][19]*SPP[6]; + nextP[0][20] = P[0][20] + P[1][20]*SF[7] + P[2][20]*SF[9] + P[3][20]*SF[8] + P[10][20]*SF[11] + P[11][20]*SPP[7] + P[12][20]*SPP[6]; + nextP[0][21] = P[0][21] + P[1][21]*SF[7] + P[2][21]*SF[9] + P[3][21]*SF[8] + P[10][21]*SF[11] + P[11][21]*SPP[7] + P[12][21]*SPP[6]; + nextP[0][22] = P[0][22] + P[1][22]*SF[7] + P[2][22]*SF[9] + P[3][22]*SF[8] + P[10][22]*SF[11] + P[11][22]*SPP[7] + P[12][22]*SPP[6]; + nextP[1][0] = P[1][0] + SQ[8] + P[0][0]*SF[6] + P[2][0]*SF[5] + P[3][0]*SF[9] + P[11][0]*SPP[6] - P[12][0]*SPP[7] - (P[10][0]*q0)/2 + SF[7]*(P[1][1] + P[0][1]*SF[6] + P[2][1]*SF[5] + P[3][1]*SF[9] + P[11][1]*SPP[6] - P[12][1]*SPP[7] - (P[10][1]*q0)/2) + SF[9]*(P[1][2] + P[0][2]*SF[6] + P[2][2]*SF[5] + P[3][2]*SF[9] + P[11][2]*SPP[6] - P[12][2]*SPP[7] - (P[10][2]*q0)/2) + SF[8]*(P[1][3] + P[0][3]*SF[6] + P[2][3]*SF[5] + P[3][3]*SF[9] + P[11][3]*SPP[6] - P[12][3]*SPP[7] - (P[10][3]*q0)/2) + SF[11]*(P[1][10] + P[0][10]*SF[6] + P[2][10]*SF[5] + P[3][10]*SF[9] + P[11][10]*SPP[6] - P[12][10]*SPP[7] - (P[10][10]*q0)/2) + SPP[7]*(P[1][11] + P[0][11]*SF[6] + P[2][11]*SF[5] + P[3][11]*SF[9] + P[11][11]*SPP[6] - P[12][11]*SPP[7] - (P[10][11]*q0)/2) + SPP[6]*(P[1][12] + P[0][12]*SF[6] + P[2][12]*SF[5] + P[3][12]*SF[9] + P[11][12]*SPP[6] - P[12][12]*SPP[7] - (P[10][12]*q0)/2); + nextP[1][1] = P[1][1] + P[0][1]*SF[6] + P[2][1]*SF[5] + P[3][1]*SF[9] + P[11][1]*SPP[6] - P[12][1]*SPP[7] + daxCov*SQ[9] - (P[10][1]*q0)/2 + SF[6]*(P[1][0] + P[0][0]*SF[6] + P[2][0]*SF[5] + P[3][0]*SF[9] + P[11][0]*SPP[6] - P[12][0]*SPP[7] - (P[10][0]*q0)/2) + SF[5]*(P[1][2] + P[0][2]*SF[6] + P[2][2]*SF[5] + P[3][2]*SF[9] + P[11][2]*SPP[6] - P[12][2]*SPP[7] - (P[10][2]*q0)/2) + SF[9]*(P[1][3] + P[0][3]*SF[6] + P[2][3]*SF[5] + P[3][3]*SF[9] + P[11][3]*SPP[6] - P[12][3]*SPP[7] - (P[10][3]*q0)/2) + SPP[6]*(P[1][11] + P[0][11]*SF[6] + P[2][11]*SF[5] + P[3][11]*SF[9] + P[11][11]*SPP[6] - P[12][11]*SPP[7] - (P[10][11]*q0)/2) - SPP[7]*(P[1][12] + P[0][12]*SF[6] + P[2][12]*SF[5] + P[3][12]*SF[9] + P[11][12]*SPP[6] - P[12][12]*SPP[7] - (P[10][12]*q0)/2) + (dayCov*sq(q3))/4 + (dazCov*sq(q2))/4 - (q0*(P[1][10] + P[0][10]*SF[6] + P[2][10]*SF[5] + P[3][10]*SF[9] + P[11][10]*SPP[6] - P[12][10]*SPP[7] - (P[10][10]*q0)/2))/2; + nextP[1][2] = P[1][2] + SQ[5] + P[0][2]*SF[6] + P[2][2]*SF[5] + P[3][2]*SF[9] + P[11][2]*SPP[6] - P[12][2]*SPP[7] - (P[10][2]*q0)/2 + SF[4]*(P[1][0] + P[0][0]*SF[6] + P[2][0]*SF[5] + P[3][0]*SF[9] + P[11][0]*SPP[6] - P[12][0]*SPP[7] - (P[10][0]*q0)/2) + SF[8]*(P[1][1] + P[0][1]*SF[6] + P[2][1]*SF[5] + P[3][1]*SF[9] + P[11][1]*SPP[6] - P[12][1]*SPP[7] - (P[10][1]*q0)/2) + SF[6]*(P[1][3] + P[0][3]*SF[6] + P[2][3]*SF[5] + P[3][3]*SF[9] + P[11][3]*SPP[6] - P[12][3]*SPP[7] - (P[10][3]*q0)/2) + SF[11]*(P[1][12] + P[0][12]*SF[6] + P[2][12]*SF[5] + P[3][12]*SF[9] + P[11][12]*SPP[6] - P[12][12]*SPP[7] - (P[10][12]*q0)/2) - SPP[6]*(P[1][10] + P[0][10]*SF[6] + P[2][10]*SF[5] + P[3][10]*SF[9] + P[11][10]*SPP[6] - P[12][10]*SPP[7] - (P[10][10]*q0)/2) - (q0*(P[1][11] + P[0][11]*SF[6] + P[2][11]*SF[5] + P[3][11]*SF[9] + P[11][11]*SPP[6] - P[12][11]*SPP[7] - (P[10][11]*q0)/2))/2; + nextP[1][3] = P[1][3] + SQ[4] + P[0][3]*SF[6] + P[2][3]*SF[5] + P[3][3]*SF[9] + P[11][3]*SPP[6] - P[12][3]*SPP[7] - (P[10][3]*q0)/2 + SF[5]*(P[1][0] + P[0][0]*SF[6] + P[2][0]*SF[5] + P[3][0]*SF[9] + P[11][0]*SPP[6] - P[12][0]*SPP[7] - (P[10][0]*q0)/2) + SF[4]*(P[1][1] + P[0][1]*SF[6] + P[2][1]*SF[5] + P[3][1]*SF[9] + P[11][1]*SPP[6] - P[12][1]*SPP[7] - (P[10][1]*q0)/2) + SF[7]*(P[1][2] + P[0][2]*SF[6] + P[2][2]*SF[5] + P[3][2]*SF[9] + P[11][2]*SPP[6] - P[12][2]*SPP[7] - (P[10][2]*q0)/2) - SF[11]*(P[1][11] + P[0][11]*SF[6] + P[2][11]*SF[5] + P[3][11]*SF[9] + P[11][11]*SPP[6] - P[12][11]*SPP[7] - (P[10][11]*q0)/2) + SPP[7]*(P[1][10] + P[0][10]*SF[6] + P[2][10]*SF[5] + P[3][10]*SF[9] + P[11][10]*SPP[6] - P[12][10]*SPP[7] - (P[10][10]*q0)/2) - (q0*(P[1][12] + P[0][12]*SF[6] + P[2][12]*SF[5] + P[3][12]*SF[9] + P[11][12]*SPP[6] - P[12][12]*SPP[7] - (P[10][12]*q0)/2))/2; + nextP[1][4] = P[1][4] + P[0][4]*SF[6] + P[2][4]*SF[5] + P[3][4]*SF[9] + P[11][4]*SPP[6] - P[12][4]*SPP[7] - (P[10][4]*q0)/2 + SF[3]*(P[1][0] + P[0][0]*SF[6] + P[2][0]*SF[5] + P[3][0]*SF[9] + P[11][0]*SPP[6] - P[12][0]*SPP[7] - (P[10][0]*q0)/2) + SF[1]*(P[1][1] + P[0][1]*SF[6] + P[2][1]*SF[5] + P[3][1]*SF[9] + P[11][1]*SPP[6] - P[12][1]*SPP[7] - (P[10][1]*q0)/2) + SPP[0]*(P[1][2] + P[0][2]*SF[6] + P[2][2]*SF[5] + P[3][2]*SF[9] + P[11][2]*SPP[6] - P[12][2]*SPP[7] - (P[10][2]*q0)/2) - SPP[2]*(P[1][3] + P[0][3]*SF[6] + P[2][3]*SF[5] + P[3][3]*SF[9] + P[11][3]*SPP[6] - P[12][3]*SPP[7] - (P[10][3]*q0)/2) - SPP[4]*(P[1][13] + P[0][13]*SF[6] + P[2][13]*SF[5] + P[3][13]*SF[9] + P[11][13]*SPP[6] - P[12][13]*SPP[7] - (P[10][13]*q0)/2); + nextP[1][5] = P[1][5] + P[0][5]*SF[6] + P[2][5]*SF[5] + P[3][5]*SF[9] + P[11][5]*SPP[6] - P[12][5]*SPP[7] - (P[10][5]*q0)/2 + SF[2]*(P[1][0] + P[0][0]*SF[6] + P[2][0]*SF[5] + P[3][0]*SF[9] + P[11][0]*SPP[6] - P[12][0]*SPP[7] - (P[10][0]*q0)/2) + SF[1]*(P[1][2] + P[0][2]*SF[6] + P[2][2]*SF[5] + P[3][2]*SF[9] + P[11][2]*SPP[6] - P[12][2]*SPP[7] - (P[10][2]*q0)/2) + SF[3]*(P[1][3] + P[0][3]*SF[6] + P[2][3]*SF[5] + P[3][3]*SF[9] + P[11][3]*SPP[6] - P[12][3]*SPP[7] - (P[10][3]*q0)/2) - SPP[0]*(P[1][1] + P[0][1]*SF[6] + P[2][1]*SF[5] + P[3][1]*SF[9] + P[11][1]*SPP[6] - P[12][1]*SPP[7] - (P[10][1]*q0)/2) + SPP[3]*(P[1][13] + P[0][13]*SF[6] + P[2][13]*SF[5] + P[3][13]*SF[9] + P[11][13]*SPP[6] - P[12][13]*SPP[7] - (P[10][13]*q0)/2); + nextP[1][6] = P[1][6] + P[0][6]*SF[6] + P[2][6]*SF[5] + P[3][6]*SF[9] + P[11][6]*SPP[6] - P[12][6]*SPP[7] - (P[10][6]*q0)/2 + SF[2]*(P[1][1] + P[0][1]*SF[6] + P[2][1]*SF[5] + P[3][1]*SF[9] + P[11][1]*SPP[6] - P[12][1]*SPP[7] - (P[10][1]*q0)/2) + SF[1]*(P[1][3] + P[0][3]*SF[6] + P[2][3]*SF[5] + P[3][3]*SF[9] + P[11][3]*SPP[6] - P[12][3]*SPP[7] - (P[10][3]*q0)/2) + SPP[0]*(P[1][0] + P[0][0]*SF[6] + P[2][0]*SF[5] + P[3][0]*SF[9] + P[11][0]*SPP[6] - P[12][0]*SPP[7] - (P[10][0]*q0)/2) - SPP[1]*(P[1][2] + P[0][2]*SF[6] + P[2][2]*SF[5] + P[3][2]*SF[9] + P[11][2]*SPP[6] - P[12][2]*SPP[7] - (P[10][2]*q0)/2) - (sq(q0) - sq(q1) - sq(q2) + sq(q3))*(P[1][13] + P[0][13]*SF[6] + P[2][13]*SF[5] + P[3][13]*SF[9] + P[11][13]*SPP[6] - P[12][13]*SPP[7] - (P[10][13]*q0)/2); + nextP[1][7] = P[1][7] + P[0][7]*SF[6] + P[2][7]*SF[5] + P[3][7]*SF[9] + P[11][7]*SPP[6] - P[12][7]*SPP[7] - (P[10][7]*q0)/2 + dt*(P[1][4] + P[0][4]*SF[6] + P[2][4]*SF[5] + P[3][4]*SF[9] + P[11][4]*SPP[6] - P[12][4]*SPP[7] - (P[10][4]*q0)/2); + nextP[1][8] = P[1][8] + P[0][8]*SF[6] + P[2][8]*SF[5] + P[3][8]*SF[9] + P[11][8]*SPP[6] - P[12][8]*SPP[7] - (P[10][8]*q0)/2 + dt*(P[1][5] + P[0][5]*SF[6] + P[2][5]*SF[5] + P[3][5]*SF[9] + P[11][5]*SPP[6] - P[12][5]*SPP[7] - (P[10][5]*q0)/2); + nextP[1][9] = P[1][9] + P[0][9]*SF[6] + P[2][9]*SF[5] + P[3][9]*SF[9] + P[11][9]*SPP[6] - P[12][9]*SPP[7] - (P[10][9]*q0)/2 + dt*(P[1][6] + P[0][6]*SF[6] + P[2][6]*SF[5] + P[3][6]*SF[9] + P[11][6]*SPP[6] - P[12][6]*SPP[7] - (P[10][6]*q0)/2); + nextP[1][10] = P[1][10] + P[0][10]*SF[6] + P[2][10]*SF[5] + P[3][10]*SF[9] + P[11][10]*SPP[6] - P[12][10]*SPP[7] - (P[10][10]*q0)/2; + nextP[1][11] = P[1][11] + P[0][11]*SF[6] + P[2][11]*SF[5] + P[3][11]*SF[9] + P[11][11]*SPP[6] - P[12][11]*SPP[7] - (P[10][11]*q0)/2; + nextP[1][12] = P[1][12] + P[0][12]*SF[6] + P[2][12]*SF[5] + P[3][12]*SF[9] + P[11][12]*SPP[6] - P[12][12]*SPP[7] - (P[10][12]*q0)/2; + nextP[1][13] = P[1][13] + P[0][13]*SF[6] + P[2][13]*SF[5] + P[3][13]*SF[9] + P[11][13]*SPP[6] - P[12][13]*SPP[7] - (P[10][13]*q0)/2; + nextP[1][14] = P[1][14] + P[0][14]*SF[6] + P[2][14]*SF[5] + P[3][14]*SF[9] + P[11][14]*SPP[6] - P[12][14]*SPP[7] - (P[10][14]*q0)/2; + nextP[1][15] = P[1][15] + P[0][15]*SF[6] + P[2][15]*SF[5] + P[3][15]*SF[9] + P[11][15]*SPP[6] - P[12][15]*SPP[7] - (P[10][15]*q0)/2; + nextP[1][16] = P[1][16] + P[0][16]*SF[6] + P[2][16]*SF[5] + P[3][16]*SF[9] + P[11][16]*SPP[6] - P[12][16]*SPP[7] - (P[10][16]*q0)/2; + nextP[1][17] = P[1][17] + P[0][17]*SF[6] + P[2][17]*SF[5] + P[3][17]*SF[9] + P[11][17]*SPP[6] - P[12][17]*SPP[7] - (P[10][17]*q0)/2; + nextP[1][18] = P[1][18] + P[0][18]*SF[6] + P[2][18]*SF[5] + P[3][18]*SF[9] + P[11][18]*SPP[6] - P[12][18]*SPP[7] - (P[10][18]*q0)/2; + nextP[1][19] = P[1][19] + P[0][19]*SF[6] + P[2][19]*SF[5] + P[3][19]*SF[9] + P[11][19]*SPP[6] - P[12][19]*SPP[7] - (P[10][19]*q0)/2; + nextP[1][20] = P[1][20] + P[0][20]*SF[6] + P[2][20]*SF[5] + P[3][20]*SF[9] + P[11][20]*SPP[6] - P[12][20]*SPP[7] - (P[10][20]*q0)/2; + nextP[1][21] = P[1][21] + P[0][21]*SF[6] + P[2][21]*SF[5] + P[3][21]*SF[9] + P[11][21]*SPP[6] - P[12][21]*SPP[7] - (P[10][21]*q0)/2; + nextP[1][22] = P[1][22] + P[0][22]*SF[6] + P[2][22]*SF[5] + P[3][22]*SF[9] + P[11][22]*SPP[6] - P[12][22]*SPP[7] - (P[10][22]*q0)/2; + nextP[2][0] = P[2][0] + SQ[7] + P[0][0]*SF[4] + P[1][0]*SF[8] + P[3][0]*SF[6] + P[12][0]*SF[11] - P[10][0]*SPP[6] - (P[11][0]*q0)/2 + SF[7]*(P[2][1] + P[0][1]*SF[4] + P[1][1]*SF[8] + P[3][1]*SF[6] + P[12][1]*SF[11] - P[10][1]*SPP[6] - (P[11][1]*q0)/2) + SF[9]*(P[2][2] + P[0][2]*SF[4] + P[1][2]*SF[8] + P[3][2]*SF[6] + P[12][2]*SF[11] - P[10][2]*SPP[6] - (P[11][2]*q0)/2) + SF[8]*(P[2][3] + P[0][3]*SF[4] + P[1][3]*SF[8] + P[3][3]*SF[6] + P[12][3]*SF[11] - P[10][3]*SPP[6] - (P[11][3]*q0)/2) + SF[11]*(P[2][10] + P[0][10]*SF[4] + P[1][10]*SF[8] + P[3][10]*SF[6] + P[12][10]*SF[11] - P[10][10]*SPP[6] - (P[11][10]*q0)/2) + SPP[7]*(P[2][11] + P[0][11]*SF[4] + P[1][11]*SF[8] + P[3][11]*SF[6] + P[12][11]*SF[11] - P[10][11]*SPP[6] - (P[11][11]*q0)/2) + SPP[6]*(P[2][12] + P[0][12]*SF[4] + P[1][12]*SF[8] + P[3][12]*SF[6] + P[12][12]*SF[11] - P[10][12]*SPP[6] - (P[11][12]*q0)/2); + nextP[2][1] = P[2][1] + SQ[5] + P[0][1]*SF[4] + P[1][1]*SF[8] + P[3][1]*SF[6] + P[12][1]*SF[11] - P[10][1]*SPP[6] - (P[11][1]*q0)/2 + SF[6]*(P[2][0] + P[0][0]*SF[4] + P[1][0]*SF[8] + P[3][0]*SF[6] + P[12][0]*SF[11] - P[10][0]*SPP[6] - (P[11][0]*q0)/2) + SF[5]*(P[2][2] + P[0][2]*SF[4] + P[1][2]*SF[8] + P[3][2]*SF[6] + P[12][2]*SF[11] - P[10][2]*SPP[6] - (P[11][2]*q0)/2) + SF[9]*(P[2][3] + P[0][3]*SF[4] + P[1][3]*SF[8] + P[3][3]*SF[6] + P[12][3]*SF[11] - P[10][3]*SPP[6] - (P[11][3]*q0)/2) + SPP[6]*(P[2][11] + P[0][11]*SF[4] + P[1][11]*SF[8] + P[3][11]*SF[6] + P[12][11]*SF[11] - P[10][11]*SPP[6] - (P[11][11]*q0)/2) - SPP[7]*(P[2][12] + P[0][12]*SF[4] + P[1][12]*SF[8] + P[3][12]*SF[6] + P[12][12]*SF[11] - P[10][12]*SPP[6] - (P[11][12]*q0)/2) - (q0*(P[2][10] + P[0][10]*SF[4] + P[1][10]*SF[8] + P[3][10]*SF[6] + P[12][10]*SF[11] - P[10][10]*SPP[6] - (P[11][10]*q0)/2))/2; + nextP[2][2] = P[2][2] + P[0][2]*SF[4] + P[1][2]*SF[8] + P[3][2]*SF[6] + P[12][2]*SF[11] - P[10][2]*SPP[6] + dayCov*SQ[9] + (dazCov*SQ[10])/4 - (P[11][2]*q0)/2 + SF[4]*(P[2][0] + P[0][0]*SF[4] + P[1][0]*SF[8] + P[3][0]*SF[6] + P[12][0]*SF[11] - P[10][0]*SPP[6] - (P[11][0]*q0)/2) + SF[8]*(P[2][1] + P[0][1]*SF[4] + P[1][1]*SF[8] + P[3][1]*SF[6] + P[12][1]*SF[11] - P[10][1]*SPP[6] - (P[11][1]*q0)/2) + SF[6]*(P[2][3] + P[0][3]*SF[4] + P[1][3]*SF[8] + P[3][3]*SF[6] + P[12][3]*SF[11] - P[10][3]*SPP[6] - (P[11][3]*q0)/2) + SF[11]*(P[2][12] + P[0][12]*SF[4] + P[1][12]*SF[8] + P[3][12]*SF[6] + P[12][12]*SF[11] - P[10][12]*SPP[6] - (P[11][12]*q0)/2) - SPP[6]*(P[2][10] + P[0][10]*SF[4] + P[1][10]*SF[8] + P[3][10]*SF[6] + P[12][10]*SF[11] - P[10][10]*SPP[6] - (P[11][10]*q0)/2) + (daxCov*sq(q3))/4 - (q0*(P[2][11] + P[0][11]*SF[4] + P[1][11]*SF[8] + P[3][11]*SF[6] + P[12][11]*SF[11] - P[10][11]*SPP[6] - (P[11][11]*q0)/2))/2; + nextP[2][3] = P[2][3] + SQ[3] + P[0][3]*SF[4] + P[1][3]*SF[8] + P[3][3]*SF[6] + P[12][3]*SF[11] - P[10][3]*SPP[6] - (P[11][3]*q0)/2 + SF[5]*(P[2][0] + P[0][0]*SF[4] + P[1][0]*SF[8] + P[3][0]*SF[6] + P[12][0]*SF[11] - P[10][0]*SPP[6] - (P[11][0]*q0)/2) + SF[4]*(P[2][1] + P[0][1]*SF[4] + P[1][1]*SF[8] + P[3][1]*SF[6] + P[12][1]*SF[11] - P[10][1]*SPP[6] - (P[11][1]*q0)/2) + SF[7]*(P[2][2] + P[0][2]*SF[4] + P[1][2]*SF[8] + P[3][2]*SF[6] + P[12][2]*SF[11] - P[10][2]*SPP[6] - (P[11][2]*q0)/2) - SF[11]*(P[2][11] + P[0][11]*SF[4] + P[1][11]*SF[8] + P[3][11]*SF[6] + P[12][11]*SF[11] - P[10][11]*SPP[6] - (P[11][11]*q0)/2) + SPP[7]*(P[2][10] + P[0][10]*SF[4] + P[1][10]*SF[8] + P[3][10]*SF[6] + P[12][10]*SF[11] - P[10][10]*SPP[6] - (P[11][10]*q0)/2) - (q0*(P[2][12] + P[0][12]*SF[4] + P[1][12]*SF[8] + P[3][12]*SF[6] + P[12][12]*SF[11] - P[10][12]*SPP[6] - (P[11][12]*q0)/2))/2; + nextP[2][4] = P[2][4] + P[0][4]*SF[4] + P[1][4]*SF[8] + P[3][4]*SF[6] + P[12][4]*SF[11] - P[10][4]*SPP[6] - (P[11][4]*q0)/2 + SF[3]*(P[2][0] + P[0][0]*SF[4] + P[1][0]*SF[8] + P[3][0]*SF[6] + P[12][0]*SF[11] - P[10][0]*SPP[6] - (P[11][0]*q0)/2) + SF[1]*(P[2][1] + P[0][1]*SF[4] + P[1][1]*SF[8] + P[3][1]*SF[6] + P[12][1]*SF[11] - P[10][1]*SPP[6] - (P[11][1]*q0)/2) + SPP[0]*(P[2][2] + P[0][2]*SF[4] + P[1][2]*SF[8] + P[3][2]*SF[6] + P[12][2]*SF[11] - P[10][2]*SPP[6] - (P[11][2]*q0)/2) - SPP[2]*(P[2][3] + P[0][3]*SF[4] + P[1][3]*SF[8] + P[3][3]*SF[6] + P[12][3]*SF[11] - P[10][3]*SPP[6] - (P[11][3]*q0)/2) - SPP[4]*(P[2][13] + P[0][13]*SF[4] + P[1][13]*SF[8] + P[3][13]*SF[6] + P[12][13]*SF[11] - P[10][13]*SPP[6] - (P[11][13]*q0)/2); + nextP[2][5] = P[2][5] + P[0][5]*SF[4] + P[1][5]*SF[8] + P[3][5]*SF[6] + P[12][5]*SF[11] - P[10][5]*SPP[6] - (P[11][5]*q0)/2 + SF[2]*(P[2][0] + P[0][0]*SF[4] + P[1][0]*SF[8] + P[3][0]*SF[6] + P[12][0]*SF[11] - P[10][0]*SPP[6] - (P[11][0]*q0)/2) + SF[1]*(P[2][2] + P[0][2]*SF[4] + P[1][2]*SF[8] + P[3][2]*SF[6] + P[12][2]*SF[11] - P[10][2]*SPP[6] - (P[11][2]*q0)/2) + SF[3]*(P[2][3] + P[0][3]*SF[4] + P[1][3]*SF[8] + P[3][3]*SF[6] + P[12][3]*SF[11] - P[10][3]*SPP[6] - (P[11][3]*q0)/2) - SPP[0]*(P[2][1] + P[0][1]*SF[4] + P[1][1]*SF[8] + P[3][1]*SF[6] + P[12][1]*SF[11] - P[10][1]*SPP[6] - (P[11][1]*q0)/2) + SPP[3]*(P[2][13] + P[0][13]*SF[4] + P[1][13]*SF[8] + P[3][13]*SF[6] + P[12][13]*SF[11] - P[10][13]*SPP[6] - (P[11][13]*q0)/2); + nextP[2][6] = P[2][6] + P[0][6]*SF[4] + P[1][6]*SF[8] + P[3][6]*SF[6] + P[12][6]*SF[11] - P[10][6]*SPP[6] - (P[11][6]*q0)/2 + SF[2]*(P[2][1] + P[0][1]*SF[4] + P[1][1]*SF[8] + P[3][1]*SF[6] + P[12][1]*SF[11] - P[10][1]*SPP[6] - (P[11][1]*q0)/2) + SF[1]*(P[2][3] + P[0][3]*SF[4] + P[1][3]*SF[8] + P[3][3]*SF[6] + P[12][3]*SF[11] - P[10][3]*SPP[6] - (P[11][3]*q0)/2) + SPP[0]*(P[2][0] + P[0][0]*SF[4] + P[1][0]*SF[8] + P[3][0]*SF[6] + P[12][0]*SF[11] - P[10][0]*SPP[6] - (P[11][0]*q0)/2) - SPP[1]*(P[2][2] + P[0][2]*SF[4] + P[1][2]*SF[8] + P[3][2]*SF[6] + P[12][2]*SF[11] - P[10][2]*SPP[6] - (P[11][2]*q0)/2) - (sq(q0) - sq(q1) - sq(q2) + sq(q3))*(P[2][13] + P[0][13]*SF[4] + P[1][13]*SF[8] + P[3][13]*SF[6] + P[12][13]*SF[11] - P[10][13]*SPP[6] - (P[11][13]*q0)/2); + nextP[2][7] = P[2][7] + P[0][7]*SF[4] + P[1][7]*SF[8] + P[3][7]*SF[6] + P[12][7]*SF[11] - P[10][7]*SPP[6] - (P[11][7]*q0)/2 + dt*(P[2][4] + P[0][4]*SF[4] + P[1][4]*SF[8] + P[3][4]*SF[6] + P[12][4]*SF[11] - P[10][4]*SPP[6] - (P[11][4]*q0)/2); + nextP[2][8] = P[2][8] + P[0][8]*SF[4] + P[1][8]*SF[8] + P[3][8]*SF[6] + P[12][8]*SF[11] - P[10][8]*SPP[6] - (P[11][8]*q0)/2 + dt*(P[2][5] + P[0][5]*SF[4] + P[1][5]*SF[8] + P[3][5]*SF[6] + P[12][5]*SF[11] - P[10][5]*SPP[6] - (P[11][5]*q0)/2); + nextP[2][9] = P[2][9] + P[0][9]*SF[4] + P[1][9]*SF[8] + P[3][9]*SF[6] + P[12][9]*SF[11] - P[10][9]*SPP[6] - (P[11][9]*q0)/2 + dt*(P[2][6] + P[0][6]*SF[4] + P[1][6]*SF[8] + P[3][6]*SF[6] + P[12][6]*SF[11] - P[10][6]*SPP[6] - (P[11][6]*q0)/2); + nextP[2][10] = P[2][10] + P[0][10]*SF[4] + P[1][10]*SF[8] + P[3][10]*SF[6] + P[12][10]*SF[11] - P[10][10]*SPP[6] - (P[11][10]*q0)/2; + nextP[2][11] = P[2][11] + P[0][11]*SF[4] + P[1][11]*SF[8] + P[3][11]*SF[6] + P[12][11]*SF[11] - P[10][11]*SPP[6] - (P[11][11]*q0)/2; + nextP[2][12] = P[2][12] + P[0][12]*SF[4] + P[1][12]*SF[8] + P[3][12]*SF[6] + P[12][12]*SF[11] - P[10][12]*SPP[6] - (P[11][12]*q0)/2; + nextP[2][13] = P[2][13] + P[0][13]*SF[4] + P[1][13]*SF[8] + P[3][13]*SF[6] + P[12][13]*SF[11] - P[10][13]*SPP[6] - (P[11][13]*q0)/2; + nextP[2][14] = P[2][14] + P[0][14]*SF[4] + P[1][14]*SF[8] + P[3][14]*SF[6] + P[12][14]*SF[11] - P[10][14]*SPP[6] - (P[11][14]*q0)/2; + nextP[2][15] = P[2][15] + P[0][15]*SF[4] + P[1][15]*SF[8] + P[3][15]*SF[6] + P[12][15]*SF[11] - P[10][15]*SPP[6] - (P[11][15]*q0)/2; + nextP[2][16] = P[2][16] + P[0][16]*SF[4] + P[1][16]*SF[8] + P[3][16]*SF[6] + P[12][16]*SF[11] - P[10][16]*SPP[6] - (P[11][16]*q0)/2; + nextP[2][17] = P[2][17] + P[0][17]*SF[4] + P[1][17]*SF[8] + P[3][17]*SF[6] + P[12][17]*SF[11] - P[10][17]*SPP[6] - (P[11][17]*q0)/2; + nextP[2][18] = P[2][18] + P[0][18]*SF[4] + P[1][18]*SF[8] + P[3][18]*SF[6] + P[12][18]*SF[11] - P[10][18]*SPP[6] - (P[11][18]*q0)/2; + nextP[2][19] = P[2][19] + P[0][19]*SF[4] + P[1][19]*SF[8] + P[3][19]*SF[6] + P[12][19]*SF[11] - P[10][19]*SPP[6] - (P[11][19]*q0)/2; + nextP[2][20] = P[2][20] + P[0][20]*SF[4] + P[1][20]*SF[8] + P[3][20]*SF[6] + P[12][20]*SF[11] - P[10][20]*SPP[6] - (P[11][20]*q0)/2; + nextP[2][21] = P[2][21] + P[0][21]*SF[4] + P[1][21]*SF[8] + P[3][21]*SF[6] + P[12][21]*SF[11] - P[10][21]*SPP[6] - (P[11][21]*q0)/2; + nextP[2][22] = P[2][22] + P[0][22]*SF[4] + P[1][22]*SF[8] + P[3][22]*SF[6] + P[12][22]*SF[11] - P[10][22]*SPP[6] - (P[11][22]*q0)/2; + nextP[3][0] = P[3][0] + SQ[6] + P[0][0]*SF[5] + P[1][0]*SF[4] + P[2][0]*SF[7] - P[11][0]*SF[11] + P[10][0]*SPP[7] - (P[12][0]*q0)/2 + SF[7]*(P[3][1] + P[0][1]*SF[5] + P[1][1]*SF[4] + P[2][1]*SF[7] - P[11][1]*SF[11] + P[10][1]*SPP[7] - (P[12][1]*q0)/2) + SF[9]*(P[3][2] + P[0][2]*SF[5] + P[1][2]*SF[4] + P[2][2]*SF[7] - P[11][2]*SF[11] + P[10][2]*SPP[7] - (P[12][2]*q0)/2) + SF[8]*(P[3][3] + P[0][3]*SF[5] + P[1][3]*SF[4] + P[2][3]*SF[7] - P[11][3]*SF[11] + P[10][3]*SPP[7] - (P[12][3]*q0)/2) + SF[11]*(P[3][10] + P[0][10]*SF[5] + P[1][10]*SF[4] + P[2][10]*SF[7] - P[11][10]*SF[11] + P[10][10]*SPP[7] - (P[12][10]*q0)/2) + SPP[7]*(P[3][11] + P[0][11]*SF[5] + P[1][11]*SF[4] + P[2][11]*SF[7] - P[11][11]*SF[11] + P[10][11]*SPP[7] - (P[12][11]*q0)/2) + SPP[6]*(P[3][12] + P[0][12]*SF[5] + P[1][12]*SF[4] + P[2][12]*SF[7] - P[11][12]*SF[11] + P[10][12]*SPP[7] - (P[12][12]*q0)/2); + nextP[3][1] = P[3][1] + SQ[4] + P[0][1]*SF[5] + P[1][1]*SF[4] + P[2][1]*SF[7] - P[11][1]*SF[11] + P[10][1]*SPP[7] - (P[12][1]*q0)/2 + SF[6]*(P[3][0] + P[0][0]*SF[5] + P[1][0]*SF[4] + P[2][0]*SF[7] - P[11][0]*SF[11] + P[10][0]*SPP[7] - (P[12][0]*q0)/2) + SF[5]*(P[3][2] + P[0][2]*SF[5] + P[1][2]*SF[4] + P[2][2]*SF[7] - P[11][2]*SF[11] + P[10][2]*SPP[7] - (P[12][2]*q0)/2) + SF[9]*(P[3][3] + P[0][3]*SF[5] + P[1][3]*SF[4] + P[2][3]*SF[7] - P[11][3]*SF[11] + P[10][3]*SPP[7] - (P[12][3]*q0)/2) + SPP[6]*(P[3][11] + P[0][11]*SF[5] + P[1][11]*SF[4] + P[2][11]*SF[7] - P[11][11]*SF[11] + P[10][11]*SPP[7] - (P[12][11]*q0)/2) - SPP[7]*(P[3][12] + P[0][12]*SF[5] + P[1][12]*SF[4] + P[2][12]*SF[7] - P[11][12]*SF[11] + P[10][12]*SPP[7] - (P[12][12]*q0)/2) - (q0*(P[3][10] + P[0][10]*SF[5] + P[1][10]*SF[4] + P[2][10]*SF[7] - P[11][10]*SF[11] + P[10][10]*SPP[7] - (P[12][10]*q0)/2))/2; + nextP[3][2] = P[3][2] + SQ[3] + P[0][2]*SF[5] + P[1][2]*SF[4] + P[2][2]*SF[7] - P[11][2]*SF[11] + P[10][2]*SPP[7] - (P[12][2]*q0)/2 + SF[4]*(P[3][0] + P[0][0]*SF[5] + P[1][0]*SF[4] + P[2][0]*SF[7] - P[11][0]*SF[11] + P[10][0]*SPP[7] - (P[12][0]*q0)/2) + SF[8]*(P[3][1] + P[0][1]*SF[5] + P[1][1]*SF[4] + P[2][1]*SF[7] - P[11][1]*SF[11] + P[10][1]*SPP[7] - (P[12][1]*q0)/2) + SF[6]*(P[3][3] + P[0][3]*SF[5] + P[1][3]*SF[4] + P[2][3]*SF[7] - P[11][3]*SF[11] + P[10][3]*SPP[7] - (P[12][3]*q0)/2) + SF[11]*(P[3][12] + P[0][12]*SF[5] + P[1][12]*SF[4] + P[2][12]*SF[7] - P[11][12]*SF[11] + P[10][12]*SPP[7] - (P[12][12]*q0)/2) - SPP[6]*(P[3][10] + P[0][10]*SF[5] + P[1][10]*SF[4] + P[2][10]*SF[7] - P[11][10]*SF[11] + P[10][10]*SPP[7] - (P[12][10]*q0)/2) - (q0*(P[3][11] + P[0][11]*SF[5] + P[1][11]*SF[4] + P[2][11]*SF[7] - P[11][11]*SF[11] + P[10][11]*SPP[7] - (P[12][11]*q0)/2))/2; + nextP[3][3] = P[3][3] + P[0][3]*SF[5] + P[1][3]*SF[4] + P[2][3]*SF[7] - P[11][3]*SF[11] + P[10][3]*SPP[7] + (dayCov*SQ[10])/4 + dazCov*SQ[9] - (P[12][3]*q0)/2 + SF[5]*(P[3][0] + P[0][0]*SF[5] + P[1][0]*SF[4] + P[2][0]*SF[7] - P[11][0]*SF[11] + P[10][0]*SPP[7] - (P[12][0]*q0)/2) + SF[4]*(P[3][1] + P[0][1]*SF[5] + P[1][1]*SF[4] + P[2][1]*SF[7] - P[11][1]*SF[11] + P[10][1]*SPP[7] - (P[12][1]*q0)/2) + SF[7]*(P[3][2] + P[0][2]*SF[5] + P[1][2]*SF[4] + P[2][2]*SF[7] - P[11][2]*SF[11] + P[10][2]*SPP[7] - (P[12][2]*q0)/2) - SF[11]*(P[3][11] + P[0][11]*SF[5] + P[1][11]*SF[4] + P[2][11]*SF[7] - P[11][11]*SF[11] + P[10][11]*SPP[7] - (P[12][11]*q0)/2) + SPP[7]*(P[3][10] + P[0][10]*SF[5] + P[1][10]*SF[4] + P[2][10]*SF[7] - P[11][10]*SF[11] + P[10][10]*SPP[7] - (P[12][10]*q0)/2) + (daxCov*sq(q2))/4 - (q0*(P[3][12] + P[0][12]*SF[5] + P[1][12]*SF[4] + P[2][12]*SF[7] - P[11][12]*SF[11] + P[10][12]*SPP[7] - (P[12][12]*q0)/2))/2; + nextP[3][4] = P[3][4] + P[0][4]*SF[5] + P[1][4]*SF[4] + P[2][4]*SF[7] - P[11][4]*SF[11] + P[10][4]*SPP[7] - (P[12][4]*q0)/2 + SF[3]*(P[3][0] + P[0][0]*SF[5] + P[1][0]*SF[4] + P[2][0]*SF[7] - P[11][0]*SF[11] + P[10][0]*SPP[7] - (P[12][0]*q0)/2) + SF[1]*(P[3][1] + P[0][1]*SF[5] + P[1][1]*SF[4] + P[2][1]*SF[7] - P[11][1]*SF[11] + P[10][1]*SPP[7] - (P[12][1]*q0)/2) + SPP[0]*(P[3][2] + P[0][2]*SF[5] + P[1][2]*SF[4] + P[2][2]*SF[7] - P[11][2]*SF[11] + P[10][2]*SPP[7] - (P[12][2]*q0)/2) - SPP[2]*(P[3][3] + P[0][3]*SF[5] + P[1][3]*SF[4] + P[2][3]*SF[7] - P[11][3]*SF[11] + P[10][3]*SPP[7] - (P[12][3]*q0)/2) - SPP[4]*(P[3][13] + P[0][13]*SF[5] + P[1][13]*SF[4] + P[2][13]*SF[7] - P[11][13]*SF[11] + P[10][13]*SPP[7] - (P[12][13]*q0)/2); + nextP[3][5] = P[3][5] + P[0][5]*SF[5] + P[1][5]*SF[4] + P[2][5]*SF[7] - P[11][5]*SF[11] + P[10][5]*SPP[7] - (P[12][5]*q0)/2 + SF[2]*(P[3][0] + P[0][0]*SF[5] + P[1][0]*SF[4] + P[2][0]*SF[7] - P[11][0]*SF[11] + P[10][0]*SPP[7] - (P[12][0]*q0)/2) + SF[1]*(P[3][2] + P[0][2]*SF[5] + P[1][2]*SF[4] + P[2][2]*SF[7] - P[11][2]*SF[11] + P[10][2]*SPP[7] - (P[12][2]*q0)/2) + SF[3]*(P[3][3] + P[0][3]*SF[5] + P[1][3]*SF[4] + P[2][3]*SF[7] - P[11][3]*SF[11] + P[10][3]*SPP[7] - (P[12][3]*q0)/2) - SPP[0]*(P[3][1] + P[0][1]*SF[5] + P[1][1]*SF[4] + P[2][1]*SF[7] - P[11][1]*SF[11] + P[10][1]*SPP[7] - (P[12][1]*q0)/2) + SPP[3]*(P[3][13] + P[0][13]*SF[5] + P[1][13]*SF[4] + P[2][13]*SF[7] - P[11][13]*SF[11] + P[10][13]*SPP[7] - (P[12][13]*q0)/2); + nextP[3][6] = P[3][6] + P[0][6]*SF[5] + P[1][6]*SF[4] + P[2][6]*SF[7] - P[11][6]*SF[11] + P[10][6]*SPP[7] - (P[12][6]*q0)/2 + SF[2]*(P[3][1] + P[0][1]*SF[5] + P[1][1]*SF[4] + P[2][1]*SF[7] - P[11][1]*SF[11] + P[10][1]*SPP[7] - (P[12][1]*q0)/2) + SF[1]*(P[3][3] + P[0][3]*SF[5] + P[1][3]*SF[4] + P[2][3]*SF[7] - P[11][3]*SF[11] + P[10][3]*SPP[7] - (P[12][3]*q0)/2) + SPP[0]*(P[3][0] + P[0][0]*SF[5] + P[1][0]*SF[4] + P[2][0]*SF[7] - P[11][0]*SF[11] + P[10][0]*SPP[7] - (P[12][0]*q0)/2) - SPP[1]*(P[3][2] + P[0][2]*SF[5] + P[1][2]*SF[4] + P[2][2]*SF[7] - P[11][2]*SF[11] + P[10][2]*SPP[7] - (P[12][2]*q0)/2) - (sq(q0) - sq(q1) - sq(q2) + sq(q3))*(P[3][13] + P[0][13]*SF[5] + P[1][13]*SF[4] + P[2][13]*SF[7] - P[11][13]*SF[11] + P[10][13]*SPP[7] - (P[12][13]*q0)/2); + nextP[3][7] = P[3][7] + P[0][7]*SF[5] + P[1][7]*SF[4] + P[2][7]*SF[7] - P[11][7]*SF[11] + P[10][7]*SPP[7] - (P[12][7]*q0)/2 + dt*(P[3][4] + P[0][4]*SF[5] + P[1][4]*SF[4] + P[2][4]*SF[7] - P[11][4]*SF[11] + P[10][4]*SPP[7] - (P[12][4]*q0)/2); + nextP[3][8] = P[3][8] + P[0][8]*SF[5] + P[1][8]*SF[4] + P[2][8]*SF[7] - P[11][8]*SF[11] + P[10][8]*SPP[7] - (P[12][8]*q0)/2 + dt*(P[3][5] + P[0][5]*SF[5] + P[1][5]*SF[4] + P[2][5]*SF[7] - P[11][5]*SF[11] + P[10][5]*SPP[7] - (P[12][5]*q0)/2); + nextP[3][9] = P[3][9] + P[0][9]*SF[5] + P[1][9]*SF[4] + P[2][9]*SF[7] - P[11][9]*SF[11] + P[10][9]*SPP[7] - (P[12][9]*q0)/2 + dt*(P[3][6] + P[0][6]*SF[5] + P[1][6]*SF[4] + P[2][6]*SF[7] - P[11][6]*SF[11] + P[10][6]*SPP[7] - (P[12][6]*q0)/2); + nextP[3][10] = P[3][10] + P[0][10]*SF[5] + P[1][10]*SF[4] + P[2][10]*SF[7] - P[11][10]*SF[11] + P[10][10]*SPP[7] - (P[12][10]*q0)/2; + nextP[3][11] = P[3][11] + P[0][11]*SF[5] + P[1][11]*SF[4] + P[2][11]*SF[7] - P[11][11]*SF[11] + P[10][11]*SPP[7] - (P[12][11]*q0)/2; + nextP[3][12] = P[3][12] + P[0][12]*SF[5] + P[1][12]*SF[4] + P[2][12]*SF[7] - P[11][12]*SF[11] + P[10][12]*SPP[7] - (P[12][12]*q0)/2; + nextP[3][13] = P[3][13] + P[0][13]*SF[5] + P[1][13]*SF[4] + P[2][13]*SF[7] - P[11][13]*SF[11] + P[10][13]*SPP[7] - (P[12][13]*q0)/2; + nextP[3][14] = P[3][14] + P[0][14]*SF[5] + P[1][14]*SF[4] + P[2][14]*SF[7] - P[11][14]*SF[11] + P[10][14]*SPP[7] - (P[12][14]*q0)/2; + nextP[3][15] = P[3][15] + P[0][15]*SF[5] + P[1][15]*SF[4] + P[2][15]*SF[7] - P[11][15]*SF[11] + P[10][15]*SPP[7] - (P[12][15]*q0)/2; + nextP[3][16] = P[3][16] + P[0][16]*SF[5] + P[1][16]*SF[4] + P[2][16]*SF[7] - P[11][16]*SF[11] + P[10][16]*SPP[7] - (P[12][16]*q0)/2; + nextP[3][17] = P[3][17] + P[0][17]*SF[5] + P[1][17]*SF[4] + P[2][17]*SF[7] - P[11][17]*SF[11] + P[10][17]*SPP[7] - (P[12][17]*q0)/2; + nextP[3][18] = P[3][18] + P[0][18]*SF[5] + P[1][18]*SF[4] + P[2][18]*SF[7] - P[11][18]*SF[11] + P[10][18]*SPP[7] - (P[12][18]*q0)/2; + nextP[3][19] = P[3][19] + P[0][19]*SF[5] + P[1][19]*SF[4] + P[2][19]*SF[7] - P[11][19]*SF[11] + P[10][19]*SPP[7] - (P[12][19]*q0)/2; + nextP[3][20] = P[3][20] + P[0][20]*SF[5] + P[1][20]*SF[4] + P[2][20]*SF[7] - P[11][20]*SF[11] + P[10][20]*SPP[7] - (P[12][20]*q0)/2; + nextP[3][21] = P[3][21] + P[0][21]*SF[5] + P[1][21]*SF[4] + P[2][21]*SF[7] - P[11][21]*SF[11] + P[10][21]*SPP[7] - (P[12][21]*q0)/2; + nextP[3][22] = P[3][22] + P[0][22]*SF[5] + P[1][22]*SF[4] + P[2][22]*SF[7] - P[11][22]*SF[11] + P[10][22]*SPP[7] - (P[12][22]*q0)/2; + nextP[4][0] = P[4][0] + P[0][0]*SF[3] + P[1][0]*SF[1] + P[2][0]*SPP[0] - P[3][0]*SPP[2] - P[13][0]*SPP[4] + SF[7]*(P[4][1] + P[0][1]*SF[3] + P[1][1]*SF[1] + P[2][1]*SPP[0] - P[3][1]*SPP[2] - P[13][1]*SPP[4]) + SF[9]*(P[4][2] + P[0][2]*SF[3] + P[1][2]*SF[1] + P[2][2]*SPP[0] - P[3][2]*SPP[2] - P[13][2]*SPP[4]) + SF[8]*(P[4][3] + P[0][3]*SF[3] + P[1][3]*SF[1] + P[2][3]*SPP[0] - P[3][3]*SPP[2] - P[13][3]*SPP[4]) + SF[11]*(P[4][10] + P[0][10]*SF[3] + P[1][10]*SF[1] + P[2][10]*SPP[0] - P[3][10]*SPP[2] - P[13][10]*SPP[4]) + SPP[7]*(P[4][11] + P[0][11]*SF[3] + P[1][11]*SF[1] + P[2][11]*SPP[0] - P[3][11]*SPP[2] - P[13][11]*SPP[4]) + SPP[6]*(P[4][12] + P[0][12]*SF[3] + P[1][12]*SF[1] + P[2][12]*SPP[0] - P[3][12]*SPP[2] - P[13][12]*SPP[4]); + nextP[4][1] = P[4][1] + P[0][1]*SF[3] + P[1][1]*SF[1] + P[2][1]*SPP[0] - P[3][1]*SPP[2] - P[13][1]*SPP[4] + SF[6]*(P[4][0] + P[0][0]*SF[3] + P[1][0]*SF[1] + P[2][0]*SPP[0] - P[3][0]*SPP[2] - P[13][0]*SPP[4]) + SF[5]*(P[4][2] + P[0][2]*SF[3] + P[1][2]*SF[1] + P[2][2]*SPP[0] - P[3][2]*SPP[2] - P[13][2]*SPP[4]) + SF[9]*(P[4][3] + P[0][3]*SF[3] + P[1][3]*SF[1] + P[2][3]*SPP[0] - P[3][3]*SPP[2] - P[13][3]*SPP[4]) + SPP[6]*(P[4][11] + P[0][11]*SF[3] + P[1][11]*SF[1] + P[2][11]*SPP[0] - P[3][11]*SPP[2] - P[13][11]*SPP[4]) - SPP[7]*(P[4][12] + P[0][12]*SF[3] + P[1][12]*SF[1] + P[2][12]*SPP[0] - P[3][12]*SPP[2] - P[13][12]*SPP[4]) - (q0*(P[4][10] + P[0][10]*SF[3] + P[1][10]*SF[1] + P[2][10]*SPP[0] - P[3][10]*SPP[2] - P[13][10]*SPP[4]))/2; + nextP[4][2] = P[4][2] + P[0][2]*SF[3] + P[1][2]*SF[1] + P[2][2]*SPP[0] - P[3][2]*SPP[2] - P[13][2]*SPP[4] + SF[4]*(P[4][0] + P[0][0]*SF[3] + P[1][0]*SF[1] + P[2][0]*SPP[0] - P[3][0]*SPP[2] - P[13][0]*SPP[4]) + SF[8]*(P[4][1] + P[0][1]*SF[3] + P[1][1]*SF[1] + P[2][1]*SPP[0] - P[3][1]*SPP[2] - P[13][1]*SPP[4]) + SF[6]*(P[4][3] + P[0][3]*SF[3] + P[1][3]*SF[1] + P[2][3]*SPP[0] - P[3][3]*SPP[2] - P[13][3]*SPP[4]) + SF[11]*(P[4][12] + P[0][12]*SF[3] + P[1][12]*SF[1] + P[2][12]*SPP[0] - P[3][12]*SPP[2] - P[13][12]*SPP[4]) - SPP[6]*(P[4][10] + P[0][10]*SF[3] + P[1][10]*SF[1] + P[2][10]*SPP[0] - P[3][10]*SPP[2] - P[13][10]*SPP[4]) - (q0*(P[4][11] + P[0][11]*SF[3] + P[1][11]*SF[1] + P[2][11]*SPP[0] - P[3][11]*SPP[2] - P[13][11]*SPP[4]))/2; + nextP[4][3] = P[4][3] + P[0][3]*SF[3] + P[1][3]*SF[1] + P[2][3]*SPP[0] - P[3][3]*SPP[2] - P[13][3]*SPP[4] + SF[5]*(P[4][0] + P[0][0]*SF[3] + P[1][0]*SF[1] + P[2][0]*SPP[0] - P[3][0]*SPP[2] - P[13][0]*SPP[4]) + SF[4]*(P[4][1] + P[0][1]*SF[3] + P[1][1]*SF[1] + P[2][1]*SPP[0] - P[3][1]*SPP[2] - P[13][1]*SPP[4]) + SF[7]*(P[4][2] + P[0][2]*SF[3] + P[1][2]*SF[1] + P[2][2]*SPP[0] - P[3][2]*SPP[2] - P[13][2]*SPP[4]) - SF[11]*(P[4][11] + P[0][11]*SF[3] + P[1][11]*SF[1] + P[2][11]*SPP[0] - P[3][11]*SPP[2] - P[13][11]*SPP[4]) + SPP[7]*(P[4][10] + P[0][10]*SF[3] + P[1][10]*SF[1] + P[2][10]*SPP[0] - P[3][10]*SPP[2] - P[13][10]*SPP[4]) - (q0*(P[4][12] + P[0][12]*SF[3] + P[1][12]*SF[1] + P[2][12]*SPP[0] - P[3][12]*SPP[2] - P[13][12]*SPP[4]))/2; + nextP[4][4] = P[4][4] + P[0][4]*SF[3] + P[1][4]*SF[1] + P[2][4]*SPP[0] - P[3][4]*SPP[2] - P[13][4]*SPP[4] + dvyCov*sq(SG[7] - 2*q0*q3) + dvzCov*sq(SG[6] + 2*q0*q2) + SF[3]*(P[4][0] + P[0][0]*SF[3] + P[1][0]*SF[1] + P[2][0]*SPP[0] - P[3][0]*SPP[2] - P[13][0]*SPP[4]) + SF[1]*(P[4][1] + P[0][1]*SF[3] + P[1][1]*SF[1] + P[2][1]*SPP[0] - P[3][1]*SPP[2] - P[13][1]*SPP[4]) + SPP[0]*(P[4][2] + P[0][2]*SF[3] + P[1][2]*SF[1] + P[2][2]*SPP[0] - P[3][2]*SPP[2] - P[13][2]*SPP[4]) - SPP[2]*(P[4][3] + P[0][3]*SF[3] + P[1][3]*SF[1] + P[2][3]*SPP[0] - P[3][3]*SPP[2] - P[13][3]*SPP[4]) - SPP[4]*(P[4][13] + P[0][13]*SF[3] + P[1][13]*SF[1] + P[2][13]*SPP[0] - P[3][13]*SPP[2] - P[13][13]*SPP[4]) + dvxCov*sq(SG[1] + SG[2] - SG[3] - SG[4]); + nextP[4][5] = P[4][5] + SQ[2] + P[0][5]*SF[3] + P[1][5]*SF[1] + P[2][5]*SPP[0] - P[3][5]*SPP[2] - P[13][5]*SPP[4] + SF[2]*(P[4][0] + P[0][0]*SF[3] + P[1][0]*SF[1] + P[2][0]*SPP[0] - P[3][0]*SPP[2] - P[13][0]*SPP[4]) + SF[1]*(P[4][2] + P[0][2]*SF[3] + P[1][2]*SF[1] + P[2][2]*SPP[0] - P[3][2]*SPP[2] - P[13][2]*SPP[4]) + SF[3]*(P[4][3] + P[0][3]*SF[3] + P[1][3]*SF[1] + P[2][3]*SPP[0] - P[3][3]*SPP[2] - P[13][3]*SPP[4]) - SPP[0]*(P[4][1] + P[0][1]*SF[3] + P[1][1]*SF[1] + P[2][1]*SPP[0] - P[3][1]*SPP[2] - P[13][1]*SPP[4]) + SPP[3]*(P[4][13] + P[0][13]*SF[3] + P[1][13]*SF[1] + P[2][13]*SPP[0] - P[3][13]*SPP[2] - P[13][13]*SPP[4]); + nextP[4][6] = P[4][6] + SQ[1] + P[0][6]*SF[3] + P[1][6]*SF[1] + P[2][6]*SPP[0] - P[3][6]*SPP[2] - P[13][6]*SPP[4] + SF[2]*(P[4][1] + P[0][1]*SF[3] + P[1][1]*SF[1] + P[2][1]*SPP[0] - P[3][1]*SPP[2] - P[13][1]*SPP[4]) + SF[1]*(P[4][3] + P[0][3]*SF[3] + P[1][3]*SF[1] + P[2][3]*SPP[0] - P[3][3]*SPP[2] - P[13][3]*SPP[4]) + SPP[0]*(P[4][0] + P[0][0]*SF[3] + P[1][0]*SF[1] + P[2][0]*SPP[0] - P[3][0]*SPP[2] - P[13][0]*SPP[4]) - SPP[1]*(P[4][2] + P[0][2]*SF[3] + P[1][2]*SF[1] + P[2][2]*SPP[0] - P[3][2]*SPP[2] - P[13][2]*SPP[4]) - (sq(q0) - sq(q1) - sq(q2) + sq(q3))*(P[4][13] + P[0][13]*SF[3] + P[1][13]*SF[1] + P[2][13]*SPP[0] - P[3][13]*SPP[2] - P[13][13]*SPP[4]); + nextP[4][7] = P[4][7] + P[0][7]*SF[3] + P[1][7]*SF[1] + P[2][7]*SPP[0] - P[3][7]*SPP[2] - P[13][7]*SPP[4] + dt*(P[4][4] + P[0][4]*SF[3] + P[1][4]*SF[1] + P[2][4]*SPP[0] - P[3][4]*SPP[2] - P[13][4]*SPP[4]); + nextP[4][8] = P[4][8] + P[0][8]*SF[3] + P[1][8]*SF[1] + P[2][8]*SPP[0] - P[3][8]*SPP[2] - P[13][8]*SPP[4] + dt*(P[4][5] + P[0][5]*SF[3] + P[1][5]*SF[1] + P[2][5]*SPP[0] - P[3][5]*SPP[2] - P[13][5]*SPP[4]); + nextP[4][9] = P[4][9] + P[0][9]*SF[3] + P[1][9]*SF[1] + P[2][9]*SPP[0] - P[3][9]*SPP[2] - P[13][9]*SPP[4] + dt*(P[4][6] + P[0][6]*SF[3] + P[1][6]*SF[1] + P[2][6]*SPP[0] - P[3][6]*SPP[2] - P[13][6]*SPP[4]); + nextP[4][10] = P[4][10] + P[0][10]*SF[3] + P[1][10]*SF[1] + P[2][10]*SPP[0] - P[3][10]*SPP[2] - P[13][10]*SPP[4]; + nextP[4][11] = P[4][11] + P[0][11]*SF[3] + P[1][11]*SF[1] + P[2][11]*SPP[0] - P[3][11]*SPP[2] - P[13][11]*SPP[4]; + nextP[4][12] = P[4][12] + P[0][12]*SF[3] + P[1][12]*SF[1] + P[2][12]*SPP[0] - P[3][12]*SPP[2] - P[13][12]*SPP[4]; + nextP[4][13] = P[4][13] + P[0][13]*SF[3] + P[1][13]*SF[1] + P[2][13]*SPP[0] - P[3][13]*SPP[2] - P[13][13]*SPP[4]; + nextP[4][14] = P[4][14] + P[0][14]*SF[3] + P[1][14]*SF[1] + P[2][14]*SPP[0] - P[3][14]*SPP[2] - P[13][14]*SPP[4]; + nextP[4][15] = P[4][15] + P[0][15]*SF[3] + P[1][15]*SF[1] + P[2][15]*SPP[0] - P[3][15]*SPP[2] - P[13][15]*SPP[4]; + nextP[4][16] = P[4][16] + P[0][16]*SF[3] + P[1][16]*SF[1] + P[2][16]*SPP[0] - P[3][16]*SPP[2] - P[13][16]*SPP[4]; + nextP[4][17] = P[4][17] + P[0][17]*SF[3] + P[1][17]*SF[1] + P[2][17]*SPP[0] - P[3][17]*SPP[2] - P[13][17]*SPP[4]; + nextP[4][18] = P[4][18] + P[0][18]*SF[3] + P[1][18]*SF[1] + P[2][18]*SPP[0] - P[3][18]*SPP[2] - P[13][18]*SPP[4]; + nextP[4][19] = P[4][19] + P[0][19]*SF[3] + P[1][19]*SF[1] + P[2][19]*SPP[0] - P[3][19]*SPP[2] - P[13][19]*SPP[4]; + nextP[4][20] = P[4][20] + P[0][20]*SF[3] + P[1][20]*SF[1] + P[2][20]*SPP[0] - P[3][20]*SPP[2] - P[13][20]*SPP[4]; + nextP[4][21] = P[4][21] + P[0][21]*SF[3] + P[1][21]*SF[1] + P[2][21]*SPP[0] - P[3][21]*SPP[2] - P[13][21]*SPP[4]; + nextP[4][22] = P[4][22] + P[0][22]*SF[3] + P[1][22]*SF[1] + P[2][22]*SPP[0] - P[3][22]*SPP[2] - P[13][22]*SPP[4]; + nextP[5][0] = P[5][0] + P[0][0]*SF[2] + P[2][0]*SF[1] + P[3][0]*SF[3] - P[1][0]*SPP[0] + P[13][0]*SPP[3] + SF[7]*(P[5][1] + P[0][1]*SF[2] + P[2][1]*SF[1] + P[3][1]*SF[3] - P[1][1]*SPP[0] + P[13][1]*SPP[3]) + SF[9]*(P[5][2] + P[0][2]*SF[2] + P[2][2]*SF[1] + P[3][2]*SF[3] - P[1][2]*SPP[0] + P[13][2]*SPP[3]) + SF[8]*(P[5][3] + P[0][3]*SF[2] + P[2][3]*SF[1] + P[3][3]*SF[3] - P[1][3]*SPP[0] + P[13][3]*SPP[3]) + SF[11]*(P[5][10] + P[0][10]*SF[2] + P[2][10]*SF[1] + P[3][10]*SF[3] - P[1][10]*SPP[0] + P[13][10]*SPP[3]) + SPP[7]*(P[5][11] + P[0][11]*SF[2] + P[2][11]*SF[1] + P[3][11]*SF[3] - P[1][11]*SPP[0] + P[13][11]*SPP[3]) + SPP[6]*(P[5][12] + P[0][12]*SF[2] + P[2][12]*SF[1] + P[3][12]*SF[3] - P[1][12]*SPP[0] + P[13][12]*SPP[3]); + nextP[5][1] = P[5][1] + P[0][1]*SF[2] + P[2][1]*SF[1] + P[3][1]*SF[3] - P[1][1]*SPP[0] + P[13][1]*SPP[3] + SF[6]*(P[5][0] + P[0][0]*SF[2] + P[2][0]*SF[1] + P[3][0]*SF[3] - P[1][0]*SPP[0] + P[13][0]*SPP[3]) + SF[5]*(P[5][2] + P[0][2]*SF[2] + P[2][2]*SF[1] + P[3][2]*SF[3] - P[1][2]*SPP[0] + P[13][2]*SPP[3]) + SF[9]*(P[5][3] + P[0][3]*SF[2] + P[2][3]*SF[1] + P[3][3]*SF[3] - P[1][3]*SPP[0] + P[13][3]*SPP[3]) + SPP[6]*(P[5][11] + P[0][11]*SF[2] + P[2][11]*SF[1] + P[3][11]*SF[3] - P[1][11]*SPP[0] + P[13][11]*SPP[3]) - SPP[7]*(P[5][12] + P[0][12]*SF[2] + P[2][12]*SF[1] + P[3][12]*SF[3] - P[1][12]*SPP[0] + P[13][12]*SPP[3]) - (q0*(P[5][10] + P[0][10]*SF[2] + P[2][10]*SF[1] + P[3][10]*SF[3] - P[1][10]*SPP[0] + P[13][10]*SPP[3]))/2; + nextP[5][2] = P[5][2] + P[0][2]*SF[2] + P[2][2]*SF[1] + P[3][2]*SF[3] - P[1][2]*SPP[0] + P[13][2]*SPP[3] + SF[4]*(P[5][0] + P[0][0]*SF[2] + P[2][0]*SF[1] + P[3][0]*SF[3] - P[1][0]*SPP[0] + P[13][0]*SPP[3]) + SF[8]*(P[5][1] + P[0][1]*SF[2] + P[2][1]*SF[1] + P[3][1]*SF[3] - P[1][1]*SPP[0] + P[13][1]*SPP[3]) + SF[6]*(P[5][3] + P[0][3]*SF[2] + P[2][3]*SF[1] + P[3][3]*SF[3] - P[1][3]*SPP[0] + P[13][3]*SPP[3]) + SF[11]*(P[5][12] + P[0][12]*SF[2] + P[2][12]*SF[1] + P[3][12]*SF[3] - P[1][12]*SPP[0] + P[13][12]*SPP[3]) - SPP[6]*(P[5][10] + P[0][10]*SF[2] + P[2][10]*SF[1] + P[3][10]*SF[3] - P[1][10]*SPP[0] + P[13][10]*SPP[3]) - (q0*(P[5][11] + P[0][11]*SF[2] + P[2][11]*SF[1] + P[3][11]*SF[3] - P[1][11]*SPP[0] + P[13][11]*SPP[3]))/2; + nextP[5][3] = P[5][3] + P[0][3]*SF[2] + P[2][3]*SF[1] + P[3][3]*SF[3] - P[1][3]*SPP[0] + P[13][3]*SPP[3] + SF[5]*(P[5][0] + P[0][0]*SF[2] + P[2][0]*SF[1] + P[3][0]*SF[3] - P[1][0]*SPP[0] + P[13][0]*SPP[3]) + SF[4]*(P[5][1] + P[0][1]*SF[2] + P[2][1]*SF[1] + P[3][1]*SF[3] - P[1][1]*SPP[0] + P[13][1]*SPP[3]) + SF[7]*(P[5][2] + P[0][2]*SF[2] + P[2][2]*SF[1] + P[3][2]*SF[3] - P[1][2]*SPP[0] + P[13][2]*SPP[3]) - SF[11]*(P[5][11] + P[0][11]*SF[2] + P[2][11]*SF[1] + P[3][11]*SF[3] - P[1][11]*SPP[0] + P[13][11]*SPP[3]) + SPP[7]*(P[5][10] + P[0][10]*SF[2] + P[2][10]*SF[1] + P[3][10]*SF[3] - P[1][10]*SPP[0] + P[13][10]*SPP[3]) - (q0*(P[5][12] + P[0][12]*SF[2] + P[2][12]*SF[1] + P[3][12]*SF[3] - P[1][12]*SPP[0] + P[13][12]*SPP[3]))/2; + nextP[5][4] = P[5][4] + SQ[2] + P[0][4]*SF[2] + P[2][4]*SF[1] + P[3][4]*SF[3] - P[1][4]*SPP[0] + P[13][4]*SPP[3] + SF[3]*(P[5][0] + P[0][0]*SF[2] + P[2][0]*SF[1] + P[3][0]*SF[3] - P[1][0]*SPP[0] + P[13][0]*SPP[3]) + SF[1]*(P[5][1] + P[0][1]*SF[2] + P[2][1]*SF[1] + P[3][1]*SF[3] - P[1][1]*SPP[0] + P[13][1]*SPP[3]) + SPP[0]*(P[5][2] + P[0][2]*SF[2] + P[2][2]*SF[1] + P[3][2]*SF[3] - P[1][2]*SPP[0] + P[13][2]*SPP[3]) - SPP[2]*(P[5][3] + P[0][3]*SF[2] + P[2][3]*SF[1] + P[3][3]*SF[3] - P[1][3]*SPP[0] + P[13][3]*SPP[3]) - SPP[4]*(P[5][13] + P[0][13]*SF[2] + P[2][13]*SF[1] + P[3][13]*SF[3] - P[1][13]*SPP[0] + P[13][13]*SPP[3]); + nextP[5][5] = P[5][5] + P[0][5]*SF[2] + P[2][5]*SF[1] + P[3][5]*SF[3] - P[1][5]*SPP[0] + P[13][5]*SPP[3] + dvxCov*sq(SG[7] + 2*q0*q3) + dvzCov*sq(SG[5] - 2*q0*q1) + SF[2]*(P[5][0] + P[0][0]*SF[2] + P[2][0]*SF[1] + P[3][0]*SF[3] - P[1][0]*SPP[0] + P[13][0]*SPP[3]) + SF[1]*(P[5][2] + P[0][2]*SF[2] + P[2][2]*SF[1] + P[3][2]*SF[3] - P[1][2]*SPP[0] + P[13][2]*SPP[3]) + SF[3]*(P[5][3] + P[0][3]*SF[2] + P[2][3]*SF[1] + P[3][3]*SF[3] - P[1][3]*SPP[0] + P[13][3]*SPP[3]) - SPP[0]*(P[5][1] + P[0][1]*SF[2] + P[2][1]*SF[1] + P[3][1]*SF[3] - P[1][1]*SPP[0] + P[13][1]*SPP[3]) + SPP[3]*(P[5][13] + P[0][13]*SF[2] + P[2][13]*SF[1] + P[3][13]*SF[3] - P[1][13]*SPP[0] + P[13][13]*SPP[3]) + dvyCov*sq(SG[1] - SG[2] + SG[3] - SG[4]); + nextP[5][6] = P[5][6] + SQ[0] + P[0][6]*SF[2] + P[2][6]*SF[1] + P[3][6]*SF[3] - P[1][6]*SPP[0] + P[13][6]*SPP[3] + SF[2]*(P[5][1] + P[0][1]*SF[2] + P[2][1]*SF[1] + P[3][1]*SF[3] - P[1][1]*SPP[0] + P[13][1]*SPP[3]) + SF[1]*(P[5][3] + P[0][3]*SF[2] + P[2][3]*SF[1] + P[3][3]*SF[3] - P[1][3]*SPP[0] + P[13][3]*SPP[3]) + SPP[0]*(P[5][0] + P[0][0]*SF[2] + P[2][0]*SF[1] + P[3][0]*SF[3] - P[1][0]*SPP[0] + P[13][0]*SPP[3]) - SPP[1]*(P[5][2] + P[0][2]*SF[2] + P[2][2]*SF[1] + P[3][2]*SF[3] - P[1][2]*SPP[0] + P[13][2]*SPP[3]) - (sq(q0) - sq(q1) - sq(q2) + sq(q3))*(P[5][13] + P[0][13]*SF[2] + P[2][13]*SF[1] + P[3][13]*SF[3] - P[1][13]*SPP[0] + P[13][13]*SPP[3]); + nextP[5][7] = P[5][7] + P[0][7]*SF[2] + P[2][7]*SF[1] + P[3][7]*SF[3] - P[1][7]*SPP[0] + P[13][7]*SPP[3] + dt*(P[5][4] + P[0][4]*SF[2] + P[2][4]*SF[1] + P[3][4]*SF[3] - P[1][4]*SPP[0] + P[13][4]*SPP[3]); + nextP[5][8] = P[5][8] + P[0][8]*SF[2] + P[2][8]*SF[1] + P[3][8]*SF[3] - P[1][8]*SPP[0] + P[13][8]*SPP[3] + dt*(P[5][5] + P[0][5]*SF[2] + P[2][5]*SF[1] + P[3][5]*SF[3] - P[1][5]*SPP[0] + P[13][5]*SPP[3]); + nextP[5][9] = P[5][9] + P[0][9]*SF[2] + P[2][9]*SF[1] + P[3][9]*SF[3] - P[1][9]*SPP[0] + P[13][9]*SPP[3] + dt*(P[5][6] + P[0][6]*SF[2] + P[2][6]*SF[1] + P[3][6]*SF[3] - P[1][6]*SPP[0] + P[13][6]*SPP[3]); + nextP[5][10] = P[5][10] + P[0][10]*SF[2] + P[2][10]*SF[1] + P[3][10]*SF[3] - P[1][10]*SPP[0] + P[13][10]*SPP[3]; + nextP[5][11] = P[5][11] + P[0][11]*SF[2] + P[2][11]*SF[1] + P[3][11]*SF[3] - P[1][11]*SPP[0] + P[13][11]*SPP[3]; + nextP[5][12] = P[5][12] + P[0][12]*SF[2] + P[2][12]*SF[1] + P[3][12]*SF[3] - P[1][12]*SPP[0] + P[13][12]*SPP[3]; + nextP[5][13] = P[5][13] + P[0][13]*SF[2] + P[2][13]*SF[1] + P[3][13]*SF[3] - P[1][13]*SPP[0] + P[13][13]*SPP[3]; + nextP[5][14] = P[5][14] + P[0][14]*SF[2] + P[2][14]*SF[1] + P[3][14]*SF[3] - P[1][14]*SPP[0] + P[13][14]*SPP[3]; + nextP[5][15] = P[5][15] + P[0][15]*SF[2] + P[2][15]*SF[1] + P[3][15]*SF[3] - P[1][15]*SPP[0] + P[13][15]*SPP[3]; + nextP[5][16] = P[5][16] + P[0][16]*SF[2] + P[2][16]*SF[1] + P[3][16]*SF[3] - P[1][16]*SPP[0] + P[13][16]*SPP[3]; + nextP[5][17] = P[5][17] + P[0][17]*SF[2] + P[2][17]*SF[1] + P[3][17]*SF[3] - P[1][17]*SPP[0] + P[13][17]*SPP[3]; + nextP[5][18] = P[5][18] + P[0][18]*SF[2] + P[2][18]*SF[1] + P[3][18]*SF[3] - P[1][18]*SPP[0] + P[13][18]*SPP[3]; + nextP[5][19] = P[5][19] + P[0][19]*SF[2] + P[2][19]*SF[1] + P[3][19]*SF[3] - P[1][19]*SPP[0] + P[13][19]*SPP[3]; + nextP[5][20] = P[5][20] + P[0][20]*SF[2] + P[2][20]*SF[1] + P[3][20]*SF[3] - P[1][20]*SPP[0] + P[13][20]*SPP[3]; + nextP[5][21] = P[5][21] + P[0][21]*SF[2] + P[2][21]*SF[1] + P[3][21]*SF[3] - P[1][21]*SPP[0] + P[13][21]*SPP[3]; + nextP[5][22] = P[5][22] + P[0][22]*SF[2] + P[2][22]*SF[1] + P[3][22]*SF[3] - P[1][22]*SPP[0] + P[13][22]*SPP[3]; + nextP[6][0] = P[6][0] + P[1][0]*SF[2] + P[3][0]*SF[1] + P[0][0]*SPP[0] - P[2][0]*SPP[1] - P[13][0]*(sq(q0) - sq(q1) - sq(q2) + sq(q3)) + SF[7]*(P[6][1] + P[1][1]*SF[2] + P[3][1]*SF[1] + P[0][1]*SPP[0] - P[2][1]*SPP[1] - P[13][1]*(sq(q0) - sq(q1) - sq(q2) + sq(q3))) + SF[9]*(P[6][2] + P[1][2]*SF[2] + P[3][2]*SF[1] + P[0][2]*SPP[0] - P[2][2]*SPP[1] - P[13][2]*(sq(q0) - sq(q1) - sq(q2) + sq(q3))) + SF[8]*(P[6][3] + P[1][3]*SF[2] + P[3][3]*SF[1] + P[0][3]*SPP[0] - P[2][3]*SPP[1] - P[13][3]*(sq(q0) - sq(q1) - sq(q2) + sq(q3))) + SF[11]*(P[6][10] + P[1][10]*SF[2] + P[3][10]*SF[1] + P[0][10]*SPP[0] - P[2][10]*SPP[1] - P[13][10]*(sq(q0) - sq(q1) - sq(q2) + sq(q3))) + SPP[7]*(P[6][11] + P[1][11]*SF[2] + P[3][11]*SF[1] + P[0][11]*SPP[0] - P[2][11]*SPP[1] - P[13][11]*(sq(q0) - sq(q1) - sq(q2) + sq(q3))) + SPP[6]*(P[6][12] + P[1][12]*SF[2] + P[3][12]*SF[1] + P[0][12]*SPP[0] - P[2][12]*SPP[1] - P[13][12]*(sq(q0) - sq(q1) - sq(q2) + sq(q3))); + nextP[6][1] = P[6][1] + P[1][1]*SF[2] + P[3][1]*SF[1] + P[0][1]*SPP[0] - P[2][1]*SPP[1] - P[13][1]*(sq(q0) - sq(q1) - sq(q2) + sq(q3)) + SF[6]*(P[6][0] + P[1][0]*SF[2] + P[3][0]*SF[1] + P[0][0]*SPP[0] - P[2][0]*SPP[1] - P[13][0]*(sq(q0) - sq(q1) - sq(q2) + sq(q3))) + SF[5]*(P[6][2] + P[1][2]*SF[2] + P[3][2]*SF[1] + P[0][2]*SPP[0] - P[2][2]*SPP[1] - P[13][2]*(sq(q0) - sq(q1) - sq(q2) + sq(q3))) + SF[9]*(P[6][3] + P[1][3]*SF[2] + P[3][3]*SF[1] + P[0][3]*SPP[0] - P[2][3]*SPP[1] - P[13][3]*(sq(q0) - sq(q1) - sq(q2) + sq(q3))) + SPP[6]*(P[6][11] + P[1][11]*SF[2] + P[3][11]*SF[1] + P[0][11]*SPP[0] - P[2][11]*SPP[1] - P[13][11]*(sq(q0) - sq(q1) - sq(q2) + sq(q3))) - SPP[7]*(P[6][12] + P[1][12]*SF[2] + P[3][12]*SF[1] + P[0][12]*SPP[0] - P[2][12]*SPP[1] - P[13][12]*(sq(q0) - sq(q1) - sq(q2) + sq(q3))) - (q0*(P[6][10] + P[1][10]*SF[2] + P[3][10]*SF[1] + P[0][10]*SPP[0] - P[2][10]*SPP[1] - P[13][10]*(sq(q0) - sq(q1) - sq(q2) + sq(q3))))/2; + nextP[6][2] = P[6][2] + P[1][2]*SF[2] + P[3][2]*SF[1] + P[0][2]*SPP[0] - P[2][2]*SPP[1] - P[13][2]*(sq(q0) - sq(q1) - sq(q2) + sq(q3)) + SF[4]*(P[6][0] + P[1][0]*SF[2] + P[3][0]*SF[1] + P[0][0]*SPP[0] - P[2][0]*SPP[1] - P[13][0]*(sq(q0) - sq(q1) - sq(q2) + sq(q3))) + SF[8]*(P[6][1] + P[1][1]*SF[2] + P[3][1]*SF[1] + P[0][1]*SPP[0] - P[2][1]*SPP[1] - P[13][1]*(sq(q0) - sq(q1) - sq(q2) + sq(q3))) + SF[6]*(P[6][3] + P[1][3]*SF[2] + P[3][3]*SF[1] + P[0][3]*SPP[0] - P[2][3]*SPP[1] - P[13][3]*(sq(q0) - sq(q1) - sq(q2) + sq(q3))) + SF[11]*(P[6][12] + P[1][12]*SF[2] + P[3][12]*SF[1] + P[0][12]*SPP[0] - P[2][12]*SPP[1] - P[13][12]*(sq(q0) - sq(q1) - sq(q2) + sq(q3))) - SPP[6]*(P[6][10] + P[1][10]*SF[2] + P[3][10]*SF[1] + P[0][10]*SPP[0] - P[2][10]*SPP[1] - P[13][10]*(sq(q0) - sq(q1) - sq(q2) + sq(q3))) - (q0*(P[6][11] + P[1][11]*SF[2] + P[3][11]*SF[1] + P[0][11]*SPP[0] - P[2][11]*SPP[1] - P[13][11]*(sq(q0) - sq(q1) - sq(q2) + sq(q3))))/2; + nextP[6][3] = P[6][3] + P[1][3]*SF[2] + P[3][3]*SF[1] + P[0][3]*SPP[0] - P[2][3]*SPP[1] - P[13][3]*(sq(q0) - sq(q1) - sq(q2) + sq(q3)) + SF[5]*(P[6][0] + P[1][0]*SF[2] + P[3][0]*SF[1] + P[0][0]*SPP[0] - P[2][0]*SPP[1] - P[13][0]*(sq(q0) - sq(q1) - sq(q2) + sq(q3))) + SF[4]*(P[6][1] + P[1][1]*SF[2] + P[3][1]*SF[1] + P[0][1]*SPP[0] - P[2][1]*SPP[1] - P[13][1]*(sq(q0) - sq(q1) - sq(q2) + sq(q3))) + SF[7]*(P[6][2] + P[1][2]*SF[2] + P[3][2]*SF[1] + P[0][2]*SPP[0] - P[2][2]*SPP[1] - P[13][2]*(sq(q0) - sq(q1) - sq(q2) + sq(q3))) - SF[11]*(P[6][11] + P[1][11]*SF[2] + P[3][11]*SF[1] + P[0][11]*SPP[0] - P[2][11]*SPP[1] - P[13][11]*(sq(q0) - sq(q1) - sq(q2) + sq(q3))) + SPP[7]*(P[6][10] + P[1][10]*SF[2] + P[3][10]*SF[1] + P[0][10]*SPP[0] - P[2][10]*SPP[1] - P[13][10]*(sq(q0) - sq(q1) - sq(q2) + sq(q3))) - (q0*(P[6][12] + P[1][12]*SF[2] + P[3][12]*SF[1] + P[0][12]*SPP[0] - P[2][12]*SPP[1] - P[13][12]*(sq(q0) - sq(q1) - sq(q2) + sq(q3))))/2; + nextP[6][4] = P[6][4] + SQ[1] + P[1][4]*SF[2] + P[3][4]*SF[1] + P[0][4]*SPP[0] - P[2][4]*SPP[1] - P[13][4]*(sq(q0) - sq(q1) - sq(q2) + sq(q3)) + SF[3]*(P[6][0] + P[1][0]*SF[2] + P[3][0]*SF[1] + P[0][0]*SPP[0] - P[2][0]*SPP[1] - P[13][0]*(sq(q0) - sq(q1) - sq(q2) + sq(q3))) + SF[1]*(P[6][1] + P[1][1]*SF[2] + P[3][1]*SF[1] + P[0][1]*SPP[0] - P[2][1]*SPP[1] - P[13][1]*(sq(q0) - sq(q1) - sq(q2) + sq(q3))) + SPP[0]*(P[6][2] + P[1][2]*SF[2] + P[3][2]*SF[1] + P[0][2]*SPP[0] - P[2][2]*SPP[1] - P[13][2]*(sq(q0) - sq(q1) - sq(q2) + sq(q3))) - SPP[2]*(P[6][3] + P[1][3]*SF[2] + P[3][3]*SF[1] + P[0][3]*SPP[0] - P[2][3]*SPP[1] - P[13][3]*(sq(q0) - sq(q1) - sq(q2) + sq(q3))) - SPP[4]*(P[6][13] + P[1][13]*SF[2] + P[3][13]*SF[1] + P[0][13]*SPP[0] - P[2][13]*SPP[1] - P[13][13]*(sq(q0) - sq(q1) - sq(q2) + sq(q3))); + nextP[6][5] = P[6][5] + SQ[0] + P[1][5]*SF[2] + P[3][5]*SF[1] + P[0][5]*SPP[0] - P[2][5]*SPP[1] - P[13][5]*(sq(q0) - sq(q1) - sq(q2) + sq(q3)) + SF[2]*(P[6][0] + P[1][0]*SF[2] + P[3][0]*SF[1] + P[0][0]*SPP[0] - P[2][0]*SPP[1] - P[13][0]*(sq(q0) - sq(q1) - sq(q2) + sq(q3))) + SF[1]*(P[6][2] + P[1][2]*SF[2] + P[3][2]*SF[1] + P[0][2]*SPP[0] - P[2][2]*SPP[1] - P[13][2]*(sq(q0) - sq(q1) - sq(q2) + sq(q3))) + SF[3]*(P[6][3] + P[1][3]*SF[2] + P[3][3]*SF[1] + P[0][3]*SPP[0] - P[2][3]*SPP[1] - P[13][3]*(sq(q0) - sq(q1) - sq(q2) + sq(q3))) - SPP[0]*(P[6][1] + P[1][1]*SF[2] + P[3][1]*SF[1] + P[0][1]*SPP[0] - P[2][1]*SPP[1] - P[13][1]*(sq(q0) - sq(q1) - sq(q2) + sq(q3))) + SPP[3]*(P[6][13] + P[1][13]*SF[2] + P[3][13]*SF[1] + P[0][13]*SPP[0] - P[2][13]*SPP[1] - P[13][13]*(sq(q0) - sq(q1) - sq(q2) + sq(q3))); + nextP[6][6] = P[6][6] + P[1][6]*SF[2] + P[3][6]*SF[1] + P[0][6]*SPP[0] - P[2][6]*SPP[1] - P[13][6]*(sq(q0) - sq(q1) - sq(q2) + sq(q3)) + dvxCov*sq(SG[6] - 2*q0*q2) + dvyCov*sq(SG[5] + 2*q0*q1) - SPP[5]*(P[6][13] + P[1][13]*SF[2] + P[3][13]*SF[1] + P[0][13]*SPP[0] - P[2][13]*SPP[1] - P[13][13]*SPP[5]) + SF[2]*(P[6][1] + P[1][1]*SF[2] + P[3][1]*SF[1] + P[0][1]*SPP[0] - P[2][1]*SPP[1] - P[13][1]*(sq(q0) - sq(q1) - sq(q2) + sq(q3))) + SF[1]*(P[6][3] + P[1][3]*SF[2] + P[3][3]*SF[1] + P[0][3]*SPP[0] - P[2][3]*SPP[1] - P[13][3]*(sq(q0) - sq(q1) - sq(q2) + sq(q3))) + SPP[0]*(P[6][0] + P[1][0]*SF[2] + P[3][0]*SF[1] + P[0][0]*SPP[0] - P[2][0]*SPP[1] - P[13][0]*(sq(q0) - sq(q1) - sq(q2) + sq(q3))) - SPP[1]*(P[6][2] + P[1][2]*SF[2] + P[3][2]*SF[1] + P[0][2]*SPP[0] - P[2][2]*SPP[1] - P[13][2]*(sq(q0) - sq(q1) - sq(q2) + sq(q3))) + dvzCov*sq(SG[1] - SG[2] - SG[3] + SG[4]); + nextP[6][7] = P[6][7] + P[1][7]*SF[2] + P[3][7]*SF[1] + P[0][7]*SPP[0] - P[2][7]*SPP[1] - P[13][7]*SPP[5] + dt*(P[6][4] + P[1][4]*SF[2] + P[3][4]*SF[1] + P[0][4]*SPP[0] - P[2][4]*SPP[1] - P[13][4]*SPP[5]); + nextP[6][8] = P[6][8] + P[1][8]*SF[2] + P[3][8]*SF[1] + P[0][8]*SPP[0] - P[2][8]*SPP[1] - P[13][8]*SPP[5] + dt*(P[6][5] + P[1][5]*SF[2] + P[3][5]*SF[1] + P[0][5]*SPP[0] - P[2][5]*SPP[1] - P[13][5]*SPP[5]); + nextP[6][9] = P[6][9] + P[1][9]*SF[2] + P[3][9]*SF[1] + P[0][9]*SPP[0] - P[2][9]*SPP[1] - P[13][9]*SPP[5] + dt*(P[6][6] + P[1][6]*SF[2] + P[3][6]*SF[1] + P[0][6]*SPP[0] - P[2][6]*SPP[1] - P[13][6]*SPP[5]); + nextP[6][10] = P[6][10] + P[1][10]*SF[2] + P[3][10]*SF[1] + P[0][10]*SPP[0] - P[2][10]*SPP[1] - P[13][10]*SPP[5]; + nextP[6][11] = P[6][11] + P[1][11]*SF[2] + P[3][11]*SF[1] + P[0][11]*SPP[0] - P[2][11]*SPP[1] - P[13][11]*SPP[5]; + nextP[6][12] = P[6][12] + P[1][12]*SF[2] + P[3][12]*SF[1] + P[0][12]*SPP[0] - P[2][12]*SPP[1] - P[13][12]*SPP[5]; + nextP[6][13] = P[6][13] + P[1][13]*SF[2] + P[3][13]*SF[1] + P[0][13]*SPP[0] - P[2][13]*SPP[1] - P[13][13]*SPP[5]; + nextP[6][14] = P[6][14] + P[1][14]*SF[2] + P[3][14]*SF[1] + P[0][14]*SPP[0] - P[2][14]*SPP[1] - P[13][14]*SPP[5]; + nextP[6][15] = P[6][15] + P[1][15]*SF[2] + P[3][15]*SF[1] + P[0][15]*SPP[0] - P[2][15]*SPP[1] - P[13][15]*SPP[5]; + nextP[6][16] = P[6][16] + P[1][16]*SF[2] + P[3][16]*SF[1] + P[0][16]*SPP[0] - P[2][16]*SPP[1] - P[13][16]*SPP[5]; + nextP[6][17] = P[6][17] + P[1][17]*SF[2] + P[3][17]*SF[1] + P[0][17]*SPP[0] - P[2][17]*SPP[1] - P[13][17]*SPP[5]; + nextP[6][18] = P[6][18] + P[1][18]*SF[2] + P[3][18]*SF[1] + P[0][18]*SPP[0] - P[2][18]*SPP[1] - P[13][18]*SPP[5]; + nextP[6][19] = P[6][19] + P[1][19]*SF[2] + P[3][19]*SF[1] + P[0][19]*SPP[0] - P[2][19]*SPP[1] - P[13][19]*SPP[5]; + nextP[6][20] = P[6][20] + P[1][20]*SF[2] + P[3][20]*SF[1] + P[0][20]*SPP[0] - P[2][20]*SPP[1] - P[13][20]*SPP[5]; + nextP[6][21] = P[6][21] + P[1][21]*SF[2] + P[3][21]*SF[1] + P[0][21]*SPP[0] - P[2][21]*SPP[1] - P[13][21]*SPP[5]; + nextP[6][22] = P[6][22] + P[1][22]*SF[2] + P[3][22]*SF[1] + P[0][22]*SPP[0] - P[2][22]*SPP[1] - P[13][22]*SPP[5]; + nextP[7][0] = P[7][0] + P[4][0]*dt + SF[7]*(P[7][1] + P[4][1]*dt) + SF[9]*(P[7][2] + P[4][2]*dt) + SF[8]*(P[7][3] + P[4][3]*dt) + SF[11]*(P[7][10] + P[4][10]*dt) + SPP[7]*(P[7][11] + P[4][11]*dt) + SPP[6]*(P[7][12] + P[4][12]*dt); + nextP[7][1] = P[7][1] + P[4][1]*dt + SF[6]*(P[7][0] + P[4][0]*dt) + SF[5]*(P[7][2] + P[4][2]*dt) + SF[9]*(P[7][3] + P[4][3]*dt) + SPP[6]*(P[7][11] + P[4][11]*dt) - SPP[7]*(P[7][12] + P[4][12]*dt) - (q0*(P[7][10] + P[4][10]*dt))/2; + nextP[7][2] = P[7][2] + P[4][2]*dt + SF[4]*(P[7][0] + P[4][0]*dt) + SF[8]*(P[7][1] + P[4][1]*dt) + SF[6]*(P[7][3] + P[4][3]*dt) + SF[11]*(P[7][12] + P[4][12]*dt) - SPP[6]*(P[7][10] + P[4][10]*dt) - (q0*(P[7][11] + P[4][11]*dt))/2; + nextP[7][3] = P[7][3] + P[4][3]*dt + SF[5]*(P[7][0] + P[4][0]*dt) + SF[4]*(P[7][1] + P[4][1]*dt) + SF[7]*(P[7][2] + P[4][2]*dt) - SF[11]*(P[7][11] + P[4][11]*dt) + SPP[7]*(P[7][10] + P[4][10]*dt) - (q0*(P[7][12] + P[4][12]*dt))/2; + nextP[7][4] = P[7][4] + P[4][4]*dt + SF[1]*(P[7][1] + P[4][1]*dt) + SF[3]*(P[7][0] + P[4][0]*dt) + SPP[0]*(P[7][2] + P[4][2]*dt) - SPP[2]*(P[7][3] + P[4][3]*dt) - SPP[4]*(P[7][13] + P[4][13]*dt); + nextP[7][5] = P[7][5] + P[4][5]*dt + SF[2]*(P[7][0] + P[4][0]*dt) + SF[1]*(P[7][2] + P[4][2]*dt) + SF[3]*(P[7][3] + P[4][3]*dt) - SPP[0]*(P[7][1] + P[4][1]*dt) + SPP[3]*(P[7][13] + P[4][13]*dt); + nextP[7][6] = P[7][6] + P[4][6]*dt + SF[2]*(P[7][1] + P[4][1]*dt) + SF[1]*(P[7][3] + P[4][3]*dt) + SPP[0]*(P[7][0] + P[4][0]*dt) - SPP[1]*(P[7][2] + P[4][2]*dt) - SPP[5]*(P[7][13] + P[4][13]*dt); + nextP[7][7] = P[7][7] + P[4][7]*dt + dt*(P[7][4] + P[4][4]*dt); + nextP[7][8] = P[7][8] + P[4][8]*dt + dt*(P[7][5] + P[4][5]*dt); + nextP[7][9] = P[7][9] + P[4][9]*dt + dt*(P[7][6] + P[4][6]*dt); + nextP[7][10] = P[7][10] + P[4][10]*dt; + nextP[7][11] = P[7][11] + P[4][11]*dt; + nextP[7][12] = P[7][12] + P[4][12]*dt; + nextP[7][13] = P[7][13] + P[4][13]*dt; + nextP[7][14] = P[7][14] + P[4][14]*dt; + nextP[7][15] = P[7][15] + P[4][15]*dt; + nextP[7][16] = P[7][16] + P[4][16]*dt; + nextP[7][17] = P[7][17] + P[4][17]*dt; + nextP[7][18] = P[7][18] + P[4][18]*dt; + nextP[7][19] = P[7][19] + P[4][19]*dt; + nextP[7][20] = P[7][20] + P[4][20]*dt; + nextP[7][21] = P[7][21] + P[4][21]*dt; + nextP[7][22] = P[7][22] + P[4][22]*dt; + nextP[8][0] = P[8][0] + P[5][0]*dt + SF[7]*(P[8][1] + P[5][1]*dt) + SF[9]*(P[8][2] + P[5][2]*dt) + SF[8]*(P[8][3] + P[5][3]*dt) + SF[11]*(P[8][10] + P[5][10]*dt) + SPP[7]*(P[8][11] + P[5][11]*dt) + SPP[6]*(P[8][12] + P[5][12]*dt); + nextP[8][1] = P[8][1] + P[5][1]*dt + SF[6]*(P[8][0] + P[5][0]*dt) + SF[5]*(P[8][2] + P[5][2]*dt) + SF[9]*(P[8][3] + P[5][3]*dt) + SPP[6]*(P[8][11] + P[5][11]*dt) - SPP[7]*(P[8][12] + P[5][12]*dt) - (q0*(P[8][10] + P[5][10]*dt))/2; + nextP[8][2] = P[8][2] + P[5][2]*dt + SF[4]*(P[8][0] + P[5][0]*dt) + SF[8]*(P[8][1] + P[5][1]*dt) + SF[6]*(P[8][3] + P[5][3]*dt) + SF[11]*(P[8][12] + P[5][12]*dt) - SPP[6]*(P[8][10] + P[5][10]*dt) - (q0*(P[8][11] + P[5][11]*dt))/2; + nextP[8][3] = P[8][3] + P[5][3]*dt + SF[5]*(P[8][0] + P[5][0]*dt) + SF[4]*(P[8][1] + P[5][1]*dt) + SF[7]*(P[8][2] + P[5][2]*dt) - SF[11]*(P[8][11] + P[5][11]*dt) + SPP[7]*(P[8][10] + P[5][10]*dt) - (q0*(P[8][12] + P[5][12]*dt))/2; + nextP[8][4] = P[8][4] + P[5][4]*dt + SF[1]*(P[8][1] + P[5][1]*dt) + SF[3]*(P[8][0] + P[5][0]*dt) + SPP[0]*(P[8][2] + P[5][2]*dt) - SPP[2]*(P[8][3] + P[5][3]*dt) - SPP[4]*(P[8][13] + P[5][13]*dt); + nextP[8][5] = P[8][5] + P[5][5]*dt + SF[2]*(P[8][0] + P[5][0]*dt) + SF[1]*(P[8][2] + P[5][2]*dt) + SF[3]*(P[8][3] + P[5][3]*dt) - SPP[0]*(P[8][1] + P[5][1]*dt) + SPP[3]*(P[8][13] + P[5][13]*dt); + nextP[8][6] = P[8][6] + P[5][6]*dt + SF[2]*(P[8][1] + P[5][1]*dt) + SF[1]*(P[8][3] + P[5][3]*dt) + SPP[0]*(P[8][0] + P[5][0]*dt) - SPP[1]*(P[8][2] + P[5][2]*dt) - SPP[5]*(P[8][13] + P[5][13]*dt); + nextP[8][7] = P[8][7] + P[5][7]*dt + dt*(P[8][4] + P[5][4]*dt); + nextP[8][8] = P[8][8] + P[5][8]*dt + dt*(P[8][5] + P[5][5]*dt); + nextP[8][9] = P[8][9] + P[5][9]*dt + dt*(P[8][6] + P[5][6]*dt); + nextP[8][10] = P[8][10] + P[5][10]*dt; + nextP[8][11] = P[8][11] + P[5][11]*dt; + nextP[8][12] = P[8][12] + P[5][12]*dt; + nextP[8][13] = P[8][13] + P[5][13]*dt; + nextP[8][14] = P[8][14] + P[5][14]*dt; + nextP[8][15] = P[8][15] + P[5][15]*dt; + nextP[8][16] = P[8][16] + P[5][16]*dt; + nextP[8][17] = P[8][17] + P[5][17]*dt; + nextP[8][18] = P[8][18] + P[5][18]*dt; + nextP[8][19] = P[8][19] + P[5][19]*dt; + nextP[8][20] = P[8][20] + P[5][20]*dt; + nextP[8][21] = P[8][21] + P[5][21]*dt; + nextP[8][22] = P[8][22] + P[5][22]*dt; + nextP[9][0] = P[9][0] + P[6][0]*dt + SF[7]*(P[9][1] + P[6][1]*dt) + SF[9]*(P[9][2] + P[6][2]*dt) + SF[8]*(P[9][3] + P[6][3]*dt) + SF[11]*(P[9][10] + P[6][10]*dt) + SPP[7]*(P[9][11] + P[6][11]*dt) + SPP[6]*(P[9][12] + P[6][12]*dt); + nextP[9][1] = P[9][1] + P[6][1]*dt + SF[6]*(P[9][0] + P[6][0]*dt) + SF[5]*(P[9][2] + P[6][2]*dt) + SF[9]*(P[9][3] + P[6][3]*dt) + SPP[6]*(P[9][11] + P[6][11]*dt) - SPP[7]*(P[9][12] + P[6][12]*dt) - (q0*(P[9][10] + P[6][10]*dt))/2; + nextP[9][2] = P[9][2] + P[6][2]*dt + SF[4]*(P[9][0] + P[6][0]*dt) + SF[8]*(P[9][1] + P[6][1]*dt) + SF[6]*(P[9][3] + P[6][3]*dt) + SF[11]*(P[9][12] + P[6][12]*dt) - SPP[6]*(P[9][10] + P[6][10]*dt) - (q0*(P[9][11] + P[6][11]*dt))/2; + nextP[9][3] = P[9][3] + P[6][3]*dt + SF[5]*(P[9][0] + P[6][0]*dt) + SF[4]*(P[9][1] + P[6][1]*dt) + SF[7]*(P[9][2] + P[6][2]*dt) - SF[11]*(P[9][11] + P[6][11]*dt) + SPP[7]*(P[9][10] + P[6][10]*dt) - (q0*(P[9][12] + P[6][12]*dt))/2; + nextP[9][4] = P[9][4] + P[6][4]*dt + SF[1]*(P[9][1] + P[6][1]*dt) + SF[3]*(P[9][0] + P[6][0]*dt) + SPP[0]*(P[9][2] + P[6][2]*dt) - SPP[2]*(P[9][3] + P[6][3]*dt) - SPP[4]*(P[9][13] + P[6][13]*dt); + nextP[9][5] = P[9][5] + P[6][5]*dt + SF[2]*(P[9][0] + P[6][0]*dt) + SF[1]*(P[9][2] + P[6][2]*dt) + SF[3]*(P[9][3] + P[6][3]*dt) - SPP[0]*(P[9][1] + P[6][1]*dt) + SPP[3]*(P[9][13] + P[6][13]*dt); + nextP[9][6] = P[9][6] + P[6][6]*dt + SF[2]*(P[9][1] + P[6][1]*dt) + SF[1]*(P[9][3] + P[6][3]*dt) + SPP[0]*(P[9][0] + P[6][0]*dt) - SPP[1]*(P[9][2] + P[6][2]*dt) - SPP[5]*(P[9][13] + P[6][13]*dt); + nextP[9][7] = P[9][7] + P[6][7]*dt + dt*(P[9][4] + P[6][4]*dt); + nextP[9][8] = P[9][8] + P[6][8]*dt + dt*(P[9][5] + P[6][5]*dt); + nextP[9][9] = P[9][9] + P[6][9]*dt + dt*(P[9][6] + P[6][6]*dt); + nextP[9][10] = P[9][10] + P[6][10]*dt; + nextP[9][11] = P[9][11] + P[6][11]*dt; + nextP[9][12] = P[9][12] + P[6][12]*dt; + nextP[9][13] = P[9][13] + P[6][13]*dt; + nextP[9][14] = P[9][14] + P[6][14]*dt; + nextP[9][15] = P[9][15] + P[6][15]*dt; + nextP[9][16] = P[9][16] + P[6][16]*dt; + nextP[9][17] = P[9][17] + P[6][17]*dt; + nextP[9][18] = P[9][18] + P[6][18]*dt; + nextP[9][19] = P[9][19] + P[6][19]*dt; + nextP[9][20] = P[9][20] + P[6][20]*dt; + nextP[9][21] = P[9][21] + P[6][21]*dt; + nextP[9][22] = P[9][22] + P[6][22]*dt; + nextP[10][0] = P[10][0] + P[10][1]*SF[7] + P[10][2]*SF[9] + P[10][3]*SF[8] + P[10][10]*SF[11] + P[10][11]*SPP[7] + P[10][12]*SPP[6]; + nextP[10][1] = P[10][1] + P[10][0]*SF[6] + P[10][2]*SF[5] + P[10][3]*SF[9] + P[10][11]*SPP[6] - P[10][12]*SPP[7] - (P[10][10]*q0)/2; + nextP[10][2] = P[10][2] + P[10][0]*SF[4] + P[10][1]*SF[8] + P[10][3]*SF[6] + P[10][12]*SF[11] - P[10][10]*SPP[6] - (P[10][11]*q0)/2; + nextP[10][3] = P[10][3] + P[10][0]*SF[5] + P[10][1]*SF[4] + P[10][2]*SF[7] - P[10][11]*SF[11] + P[10][10]*SPP[7] - (P[10][12]*q0)/2; + nextP[10][4] = P[10][4] + P[10][1]*SF[1] + P[10][0]*SF[3] + P[10][2]*SPP[0] - P[10][3]*SPP[2] - P[10][13]*SPP[4]; + nextP[10][5] = P[10][5] + P[10][0]*SF[2] + P[10][2]*SF[1] + P[10][3]*SF[3] - P[10][1]*SPP[0] + P[10][13]*SPP[3]; + nextP[10][6] = P[10][6] + P[10][1]*SF[2] + P[10][3]*SF[1] + P[10][0]*SPP[0] - P[10][2]*SPP[1] - P[10][13]*SPP[5]; + nextP[10][7] = P[10][7] + P[10][4]*dt; + nextP[10][8] = P[10][8] + P[10][5]*dt; + nextP[10][9] = P[10][9] + P[10][6]*dt; + nextP[10][10] = P[10][10]; + nextP[10][11] = P[10][11]; + nextP[10][12] = P[10][12]; + nextP[10][13] = P[10][13]; + nextP[10][14] = P[10][14]; + nextP[10][15] = P[10][15]; + nextP[10][16] = P[10][16]; + nextP[10][17] = P[10][17]; + nextP[10][18] = P[10][18]; + nextP[10][19] = P[10][19]; + nextP[10][20] = P[10][20]; + nextP[10][21] = P[10][21]; + nextP[10][22] = P[10][22]; + nextP[11][0] = P[11][0] + P[11][1]*SF[7] + P[11][2]*SF[9] + P[11][3]*SF[8] + P[11][10]*SF[11] + P[11][11]*SPP[7] + P[11][12]*SPP[6]; + nextP[11][1] = P[11][1] + P[11][0]*SF[6] + P[11][2]*SF[5] + P[11][3]*SF[9] + P[11][11]*SPP[6] - P[11][12]*SPP[7] - (P[11][10]*q0)/2; + nextP[11][2] = P[11][2] + P[11][0]*SF[4] + P[11][1]*SF[8] + P[11][3]*SF[6] + P[11][12]*SF[11] - P[11][10]*SPP[6] - (P[11][11]*q0)/2; + nextP[11][3] = P[11][3] + P[11][0]*SF[5] + P[11][1]*SF[4] + P[11][2]*SF[7] - P[11][11]*SF[11] + P[11][10]*SPP[7] - (P[11][12]*q0)/2; + nextP[11][4] = P[11][4] + P[11][1]*SF[1] + P[11][0]*SF[3] + P[11][2]*SPP[0] - P[11][3]*SPP[2] - P[11][13]*SPP[4]; + nextP[11][5] = P[11][5] + P[11][0]*SF[2] + P[11][2]*SF[1] + P[11][3]*SF[3] - P[11][1]*SPP[0] + P[11][13]*SPP[3]; + nextP[11][6] = P[11][6] + P[11][1]*SF[2] + P[11][3]*SF[1] + P[11][0]*SPP[0] - P[11][2]*SPP[1] - P[11][13]*SPP[5]; + nextP[11][7] = P[11][7] + P[11][4]*dt; + nextP[11][8] = P[11][8] + P[11][5]*dt; + nextP[11][9] = P[11][9] + P[11][6]*dt; + nextP[11][10] = P[11][10]; + nextP[11][11] = P[11][11]; + nextP[11][12] = P[11][12]; + nextP[11][13] = P[11][13]; + nextP[11][14] = P[11][14]; + nextP[11][15] = P[11][15]; + nextP[11][16] = P[11][16]; + nextP[11][17] = P[11][17]; + nextP[11][18] = P[11][18]; + nextP[11][19] = P[11][19]; + nextP[11][20] = P[11][20]; + nextP[11][21] = P[11][21]; + nextP[11][22] = P[11][22]; + nextP[12][0] = P[12][0] + P[12][1]*SF[7] + P[12][2]*SF[9] + P[12][3]*SF[8] + P[12][10]*SF[11] + P[12][11]*SPP[7] + P[12][12]*SPP[6]; + nextP[12][1] = P[12][1] + P[12][0]*SF[6] + P[12][2]*SF[5] + P[12][3]*SF[9] + P[12][11]*SPP[6] - P[12][12]*SPP[7] - (P[12][10]*q0)/2; + nextP[12][2] = P[12][2] + P[12][0]*SF[4] + P[12][1]*SF[8] + P[12][3]*SF[6] + P[12][12]*SF[11] - P[12][10]*SPP[6] - (P[12][11]*q0)/2; + nextP[12][3] = P[12][3] + P[12][0]*SF[5] + P[12][1]*SF[4] + P[12][2]*SF[7] - P[12][11]*SF[11] + P[12][10]*SPP[7] - (P[12][12]*q0)/2; + nextP[12][4] = P[12][4] + P[12][1]*SF[1] + P[12][0]*SF[3] + P[12][2]*SPP[0] - P[12][3]*SPP[2] - P[12][13]*SPP[4]; + nextP[12][5] = P[12][5] + P[12][0]*SF[2] + P[12][2]*SF[1] + P[12][3]*SF[3] - P[12][1]*SPP[0] + P[12][13]*SPP[3]; + nextP[12][6] = P[12][6] + P[12][1]*SF[2] + P[12][3]*SF[1] + P[12][0]*SPP[0] - P[12][2]*SPP[1] - P[12][13]*SPP[5]; + nextP[12][7] = P[12][7] + P[12][4]*dt; + nextP[12][8] = P[12][8] + P[12][5]*dt; + nextP[12][9] = P[12][9] + P[12][6]*dt; + nextP[12][10] = P[12][10]; + nextP[12][11] = P[12][11]; + nextP[12][12] = P[12][12]; + nextP[12][13] = P[12][13]; + nextP[12][14] = P[12][14]; + nextP[12][15] = P[12][15]; + nextP[12][16] = P[12][16]; + nextP[12][17] = P[12][17]; + nextP[12][18] = P[12][18]; + nextP[12][19] = P[12][19]; + nextP[12][20] = P[12][20]; + nextP[12][21] = P[12][21]; + nextP[12][22] = P[12][22]; + nextP[13][0] = P[13][0] + P[13][1]*SF[7] + P[13][2]*SF[9] + P[13][3]*SF[8] + P[13][10]*SF[11] + P[13][11]*SPP[7] + P[13][12]*SPP[6]; + nextP[13][1] = P[13][1] + P[13][0]*SF[6] + P[13][2]*SF[5] + P[13][3]*SF[9] + P[13][11]*SPP[6] - P[13][12]*SPP[7] - (P[13][10]*q0)/2; + nextP[13][2] = P[13][2] + P[13][0]*SF[4] + P[13][1]*SF[8] + P[13][3]*SF[6] + P[13][12]*SF[11] - P[13][10]*SPP[6] - (P[13][11]*q0)/2; + nextP[13][3] = P[13][3] + P[13][0]*SF[5] + P[13][1]*SF[4] + P[13][2]*SF[7] - P[13][11]*SF[11] + P[13][10]*SPP[7] - (P[13][12]*q0)/2; + nextP[13][4] = P[13][4] + P[13][1]*SF[1] + P[13][0]*SF[3] + P[13][2]*SPP[0] - P[13][3]*SPP[2] - P[13][13]*SPP[4]; + nextP[13][5] = P[13][5] + P[13][0]*SF[2] + P[13][2]*SF[1] + P[13][3]*SF[3] - P[13][1]*SPP[0] + P[13][13]*SPP[3]; + nextP[13][6] = P[13][6] + P[13][1]*SF[2] + P[13][3]*SF[1] + P[13][0]*SPP[0] - P[13][2]*SPP[1] - P[13][13]*SPP[5]; + nextP[13][7] = P[13][7] + P[13][4]*dt; + nextP[13][8] = P[13][8] + P[13][5]*dt; + nextP[13][9] = P[13][9] + P[13][6]*dt; + nextP[13][10] = P[13][10]; + nextP[13][11] = P[13][11]; + nextP[13][12] = P[13][12]; + nextP[13][13] = P[13][13]; + nextP[13][14] = P[13][14]; + nextP[13][15] = P[13][15]; + nextP[13][16] = P[13][16]; + nextP[13][17] = P[13][17]; + nextP[13][18] = P[13][18]; + nextP[13][19] = P[13][19]; + nextP[13][20] = P[13][20]; + nextP[13][21] = P[13][21]; + nextP[13][22] = P[13][22]; + nextP[14][0] = P[14][0] + P[14][1]*SF[7] + P[14][2]*SF[9] + P[14][3]*SF[8] + P[14][10]*SF[11] + P[14][11]*SPP[7] + P[14][12]*SPP[6]; + nextP[14][1] = P[14][1] + P[14][0]*SF[6] + P[14][2]*SF[5] + P[14][3]*SF[9] + P[14][11]*SPP[6] - P[14][12]*SPP[7] - (P[14][10]*q0)/2; + nextP[14][2] = P[14][2] + P[14][0]*SF[4] + P[14][1]*SF[8] + P[14][3]*SF[6] + P[14][12]*SF[11] - P[14][10]*SPP[6] - (P[14][11]*q0)/2; + nextP[14][3] = P[14][3] + P[14][0]*SF[5] + P[14][1]*SF[4] + P[14][2]*SF[7] - P[14][11]*SF[11] + P[14][10]*SPP[7] - (P[14][12]*q0)/2; + nextP[14][4] = P[14][4] + P[14][1]*SF[1] + P[14][0]*SF[3] + P[14][2]*SPP[0] - P[14][3]*SPP[2] - P[14][13]*SPP[4]; + nextP[14][5] = P[14][5] + P[14][0]*SF[2] + P[14][2]*SF[1] + P[14][3]*SF[3] - P[14][1]*SPP[0] + P[14][13]*SPP[3]; + nextP[14][6] = P[14][6] + P[14][1]*SF[2] + P[14][3]*SF[1] + P[14][0]*SPP[0] - P[14][2]*SPP[1] - P[14][13]*SPP[5]; + nextP[14][7] = P[14][7] + P[14][4]*dt; + nextP[14][8] = P[14][8] + P[14][5]*dt; + nextP[14][9] = P[14][9] + P[14][6]*dt; + nextP[14][10] = P[14][10]; + nextP[14][11] = P[14][11]; + nextP[14][12] = P[14][12]; + nextP[14][13] = P[14][13]; + nextP[14][14] = P[14][14]; + nextP[14][15] = P[14][15]; + nextP[14][16] = P[14][16]; + nextP[14][17] = P[14][17]; + nextP[14][18] = P[14][18]; + nextP[14][19] = P[14][19]; + nextP[14][20] = P[14][20]; + nextP[14][21] = P[14][21]; + nextP[14][22] = P[14][22]; + nextP[15][0] = P[15][0] + P[15][1]*SF[7] + P[15][2]*SF[9] + P[15][3]*SF[8] + P[15][10]*SF[11] + P[15][11]*SPP[7] + P[15][12]*SPP[6]; + nextP[15][1] = P[15][1] + P[15][0]*SF[6] + P[15][2]*SF[5] + P[15][3]*SF[9] + P[15][11]*SPP[6] - P[15][12]*SPP[7] - (P[15][10]*q0)/2; + nextP[15][2] = P[15][2] + P[15][0]*SF[4] + P[15][1]*SF[8] + P[15][3]*SF[6] + P[15][12]*SF[11] - P[15][10]*SPP[6] - (P[15][11]*q0)/2; + nextP[15][3] = P[15][3] + P[15][0]*SF[5] + P[15][1]*SF[4] + P[15][2]*SF[7] - P[15][11]*SF[11] + P[15][10]*SPP[7] - (P[15][12]*q0)/2; + nextP[15][4] = P[15][4] + P[15][1]*SF[1] + P[15][0]*SF[3] + P[15][2]*SPP[0] - P[15][3]*SPP[2] - P[15][13]*SPP[4]; + nextP[15][5] = P[15][5] + P[15][0]*SF[2] + P[15][2]*SF[1] + P[15][3]*SF[3] - P[15][1]*SPP[0] + P[15][13]*SPP[3]; + nextP[15][6] = P[15][6] + P[15][1]*SF[2] + P[15][3]*SF[1] + P[15][0]*SPP[0] - P[15][2]*SPP[1] - P[15][13]*SPP[5]; + nextP[15][7] = P[15][7] + P[15][4]*dt; + nextP[15][8] = P[15][8] + P[15][5]*dt; + nextP[15][9] = P[15][9] + P[15][6]*dt; + nextP[15][10] = P[15][10]; + nextP[15][11] = P[15][11]; + nextP[15][12] = P[15][12]; + nextP[15][13] = P[15][13]; + nextP[15][14] = P[15][14]; + nextP[15][15] = P[15][15]; + nextP[15][16] = P[15][16]; + nextP[15][17] = P[15][17]; + nextP[15][18] = P[15][18]; + nextP[15][19] = P[15][19]; + nextP[15][20] = P[15][20]; + nextP[15][21] = P[15][21]; + nextP[15][22] = P[15][22]; + nextP[16][0] = P[16][0] + P[16][1]*SF[7] + P[16][2]*SF[9] + P[16][3]*SF[8] + P[16][10]*SF[11] + P[16][11]*SPP[7] + P[16][12]*SPP[6]; + nextP[16][1] = P[16][1] + P[16][0]*SF[6] + P[16][2]*SF[5] + P[16][3]*SF[9] + P[16][11]*SPP[6] - P[16][12]*SPP[7] - (P[16][10]*q0)/2; + nextP[16][2] = P[16][2] + P[16][0]*SF[4] + P[16][1]*SF[8] + P[16][3]*SF[6] + P[16][12]*SF[11] - P[16][10]*SPP[6] - (P[16][11]*q0)/2; + nextP[16][3] = P[16][3] + P[16][0]*SF[5] + P[16][1]*SF[4] + P[16][2]*SF[7] - P[16][11]*SF[11] + P[16][10]*SPP[7] - (P[16][12]*q0)/2; + nextP[16][4] = P[16][4] + P[16][1]*SF[1] + P[16][0]*SF[3] + P[16][2]*SPP[0] - P[16][3]*SPP[2] - P[16][13]*SPP[4]; + nextP[16][5] = P[16][5] + P[16][0]*SF[2] + P[16][2]*SF[1] + P[16][3]*SF[3] - P[16][1]*SPP[0] + P[16][13]*SPP[3]; + nextP[16][6] = P[16][6] + P[16][1]*SF[2] + P[16][3]*SF[1] + P[16][0]*SPP[0] - P[16][2]*SPP[1] - P[16][13]*SPP[5]; + nextP[16][7] = P[16][7] + P[16][4]*dt; + nextP[16][8] = P[16][8] + P[16][5]*dt; + nextP[16][9] = P[16][9] + P[16][6]*dt; + nextP[16][10] = P[16][10]; + nextP[16][11] = P[16][11]; + nextP[16][12] = P[16][12]; + nextP[16][13] = P[16][13]; + nextP[16][14] = P[16][14]; + nextP[16][15] = P[16][15]; + nextP[16][16] = P[16][16]; + nextP[16][17] = P[16][17]; + nextP[16][18] = P[16][18]; + nextP[16][19] = P[16][19]; + nextP[16][20] = P[16][20]; + nextP[16][21] = P[16][21]; + nextP[16][22] = P[16][22]; + nextP[17][0] = P[17][0] + P[17][1]*SF[7] + P[17][2]*SF[9] + P[17][3]*SF[8] + P[17][10]*SF[11] + P[17][11]*SPP[7] + P[17][12]*SPP[6]; + nextP[17][1] = P[17][1] + P[17][0]*SF[6] + P[17][2]*SF[5] + P[17][3]*SF[9] + P[17][11]*SPP[6] - P[17][12]*SPP[7] - (P[17][10]*q0)/2; + nextP[17][2] = P[17][2] + P[17][0]*SF[4] + P[17][1]*SF[8] + P[17][3]*SF[6] + P[17][12]*SF[11] - P[17][10]*SPP[6] - (P[17][11]*q0)/2; + nextP[17][3] = P[17][3] + P[17][0]*SF[5] + P[17][1]*SF[4] + P[17][2]*SF[7] - P[17][11]*SF[11] + P[17][10]*SPP[7] - (P[17][12]*q0)/2; + nextP[17][4] = P[17][4] + P[17][1]*SF[1] + P[17][0]*SF[3] + P[17][2]*SPP[0] - P[17][3]*SPP[2] - P[17][13]*SPP[4]; + nextP[17][5] = P[17][5] + P[17][0]*SF[2] + P[17][2]*SF[1] + P[17][3]*SF[3] - P[17][1]*SPP[0] + P[17][13]*SPP[3]; + nextP[17][6] = P[17][6] + P[17][1]*SF[2] + P[17][3]*SF[1] + P[17][0]*SPP[0] - P[17][2]*SPP[1] - P[17][13]*SPP[5]; + nextP[17][7] = P[17][7] + P[17][4]*dt; + nextP[17][8] = P[17][8] + P[17][5]*dt; + nextP[17][9] = P[17][9] + P[17][6]*dt; + nextP[17][10] = P[17][10]; + nextP[17][11] = P[17][11]; + nextP[17][12] = P[17][12]; + nextP[17][13] = P[17][13]; + nextP[17][14] = P[17][14]; + nextP[17][15] = P[17][15]; + nextP[17][16] = P[17][16]; + nextP[17][17] = P[17][17]; + nextP[17][18] = P[17][18]; + nextP[17][19] = P[17][19]; + nextP[17][20] = P[17][20]; + nextP[17][21] = P[17][21]; + nextP[17][22] = P[17][22]; + nextP[18][0] = P[18][0] + P[18][1]*SF[7] + P[18][2]*SF[9] + P[18][3]*SF[8] + P[18][10]*SF[11] + P[18][11]*SPP[7] + P[18][12]*SPP[6]; + nextP[18][1] = P[18][1] + P[18][0]*SF[6] + P[18][2]*SF[5] + P[18][3]*SF[9] + P[18][11]*SPP[6] - P[18][12]*SPP[7] - (P[18][10]*q0)/2; + nextP[18][2] = P[18][2] + P[18][0]*SF[4] + P[18][1]*SF[8] + P[18][3]*SF[6] + P[18][12]*SF[11] - P[18][10]*SPP[6] - (P[18][11]*q0)/2; + nextP[18][3] = P[18][3] + P[18][0]*SF[5] + P[18][1]*SF[4] + P[18][2]*SF[7] - P[18][11]*SF[11] + P[18][10]*SPP[7] - (P[18][12]*q0)/2; + nextP[18][4] = P[18][4] + P[18][1]*SF[1] + P[18][0]*SF[3] + P[18][2]*SPP[0] - P[18][3]*SPP[2] - P[18][13]*SPP[4]; + nextP[18][5] = P[18][5] + P[18][0]*SF[2] + P[18][2]*SF[1] + P[18][3]*SF[3] - P[18][1]*SPP[0] + P[18][13]*SPP[3]; + nextP[18][6] = P[18][6] + P[18][1]*SF[2] + P[18][3]*SF[1] + P[18][0]*SPP[0] - P[18][2]*SPP[1] - P[18][13]*SPP[5]; + nextP[18][7] = P[18][7] + P[18][4]*dt; + nextP[18][8] = P[18][8] + P[18][5]*dt; + nextP[18][9] = P[18][9] + P[18][6]*dt; + nextP[18][10] = P[18][10]; + nextP[18][11] = P[18][11]; + nextP[18][12] = P[18][12]; + nextP[18][13] = P[18][13]; + nextP[18][14] = P[18][14]; + nextP[18][15] = P[18][15]; + nextP[18][16] = P[18][16]; + nextP[18][17] = P[18][17]; + nextP[18][18] = P[18][18]; + nextP[18][19] = P[18][19]; + nextP[18][20] = P[18][20]; + nextP[18][21] = P[18][21]; + nextP[18][22] = P[18][22]; + nextP[19][0] = P[19][0] + P[19][1]*SF[7] + P[19][2]*SF[9] + P[19][3]*SF[8] + P[19][10]*SF[11] + P[19][11]*SPP[7] + P[19][12]*SPP[6]; + nextP[19][1] = P[19][1] + P[19][0]*SF[6] + P[19][2]*SF[5] + P[19][3]*SF[9] + P[19][11]*SPP[6] - P[19][12]*SPP[7] - (P[19][10]*q0)/2; + nextP[19][2] = P[19][2] + P[19][0]*SF[4] + P[19][1]*SF[8] + P[19][3]*SF[6] + P[19][12]*SF[11] - P[19][10]*SPP[6] - (P[19][11]*q0)/2; + nextP[19][3] = P[19][3] + P[19][0]*SF[5] + P[19][1]*SF[4] + P[19][2]*SF[7] - P[19][11]*SF[11] + P[19][10]*SPP[7] - (P[19][12]*q0)/2; + nextP[19][4] = P[19][4] + P[19][1]*SF[1] + P[19][0]*SF[3] + P[19][2]*SPP[0] - P[19][3]*SPP[2] - P[19][13]*SPP[4]; + nextP[19][5] = P[19][5] + P[19][0]*SF[2] + P[19][2]*SF[1] + P[19][3]*SF[3] - P[19][1]*SPP[0] + P[19][13]*SPP[3]; + nextP[19][6] = P[19][6] + P[19][1]*SF[2] + P[19][3]*SF[1] + P[19][0]*SPP[0] - P[19][2]*SPP[1] - P[19][13]*SPP[5]; + nextP[19][7] = P[19][7] + P[19][4]*dt; + nextP[19][8] = P[19][8] + P[19][5]*dt; + nextP[19][9] = P[19][9] + P[19][6]*dt; + nextP[19][10] = P[19][10]; + nextP[19][11] = P[19][11]; + nextP[19][12] = P[19][12]; + nextP[19][13] = P[19][13]; + nextP[19][14] = P[19][14]; + nextP[19][15] = P[19][15]; + nextP[19][16] = P[19][16]; + nextP[19][17] = P[19][17]; + nextP[19][18] = P[19][18]; + nextP[19][19] = P[19][19]; + nextP[19][20] = P[19][20]; + nextP[19][21] = P[19][21]; + nextP[19][22] = P[19][22]; + nextP[20][0] = P[20][0] + P[20][1]*SF[7] + P[20][2]*SF[9] + P[20][3]*SF[8] + P[20][10]*SF[11] + P[20][11]*SPP[7] + P[20][12]*SPP[6]; + nextP[20][1] = P[20][1] + P[20][0]*SF[6] + P[20][2]*SF[5] + P[20][3]*SF[9] + P[20][11]*SPP[6] - P[20][12]*SPP[7] - (P[20][10]*q0)/2; + nextP[20][2] = P[20][2] + P[20][0]*SF[4] + P[20][1]*SF[8] + P[20][3]*SF[6] + P[20][12]*SF[11] - P[20][10]*SPP[6] - (P[20][11]*q0)/2; + nextP[20][3] = P[20][3] + P[20][0]*SF[5] + P[20][1]*SF[4] + P[20][2]*SF[7] - P[20][11]*SF[11] + P[20][10]*SPP[7] - (P[20][12]*q0)/2; + nextP[20][4] = P[20][4] + P[20][1]*SF[1] + P[20][0]*SF[3] + P[20][2]*SPP[0] - P[20][3]*SPP[2] - P[20][13]*SPP[4]; + nextP[20][5] = P[20][5] + P[20][0]*SF[2] + P[20][2]*SF[1] + P[20][3]*SF[3] - P[20][1]*SPP[0] + P[20][13]*SPP[3]; + nextP[20][6] = P[20][6] + P[20][1]*SF[2] + P[20][3]*SF[1] + P[20][0]*SPP[0] - P[20][2]*SPP[1] - P[20][13]*SPP[5]; + nextP[20][7] = P[20][7] + P[20][4]*dt; + nextP[20][8] = P[20][8] + P[20][5]*dt; + nextP[20][9] = P[20][9] + P[20][6]*dt; + nextP[20][10] = P[20][10]; + nextP[20][11] = P[20][11]; + nextP[20][12] = P[20][12]; + nextP[20][13] = P[20][13]; + nextP[20][14] = P[20][14]; + nextP[20][15] = P[20][15]; + nextP[20][16] = P[20][16]; + nextP[20][17] = P[20][17]; + nextP[20][18] = P[20][18]; + nextP[20][19] = P[20][19]; + nextP[20][20] = P[20][20]; + nextP[20][21] = P[20][21]; + nextP[20][22] = P[20][22]; + nextP[21][0] = P[21][0] + P[21][1]*SF[7] + P[21][2]*SF[9] + P[21][3]*SF[8] + P[21][10]*SF[11] + P[21][11]*SPP[7] + P[21][12]*SPP[6]; + nextP[21][1] = P[21][1] + P[21][0]*SF[6] + P[21][2]*SF[5] + P[21][3]*SF[9] + P[21][11]*SPP[6] - P[21][12]*SPP[7] - (P[21][10]*q0)/2; + nextP[21][2] = P[21][2] + P[21][0]*SF[4] + P[21][1]*SF[8] + P[21][3]*SF[6] + P[21][12]*SF[11] - P[21][10]*SPP[6] - (P[21][11]*q0)/2; + nextP[21][3] = P[21][3] + P[21][0]*SF[5] + P[21][1]*SF[4] + P[21][2]*SF[7] - P[21][11]*SF[11] + P[21][10]*SPP[7] - (P[21][12]*q0)/2; + nextP[21][4] = P[21][4] + P[21][1]*SF[1] + P[21][0]*SF[3] + P[21][2]*SPP[0] - P[21][3]*SPP[2] - P[21][13]*SPP[4]; + nextP[21][5] = P[21][5] + P[21][0]*SF[2] + P[21][2]*SF[1] + P[21][3]*SF[3] - P[21][1]*SPP[0] + P[21][13]*SPP[3]; + nextP[21][6] = P[21][6] + P[21][1]*SF[2] + P[21][3]*SF[1] + P[21][0]*SPP[0] - P[21][2]*SPP[1] - P[21][13]*SPP[5]; + nextP[21][7] = P[21][7] + P[21][4]*dt; + nextP[21][8] = P[21][8] + P[21][5]*dt; + nextP[21][9] = P[21][9] + P[21][6]*dt; + nextP[21][10] = P[21][10]; + nextP[21][11] = P[21][11]; + nextP[21][12] = P[21][12]; + nextP[21][13] = P[21][13]; + nextP[21][14] = P[21][14]; + nextP[21][15] = P[21][15]; + nextP[21][16] = P[21][16]; + nextP[21][17] = P[21][17]; + nextP[21][18] = P[21][18]; + nextP[21][19] = P[21][19]; + nextP[21][20] = P[21][20]; + nextP[21][21] = P[21][21]; + nextP[21][22] = P[21][22]; + nextP[22][0] = P[22][0] + P[22][1]*SF[7] + P[22][2]*SF[9] + P[22][3]*SF[8] + P[22][10]*SF[11] + P[22][11]*SPP[7] + P[22][12]*SPP[6]; + nextP[22][1] = P[22][1] + P[22][0]*SF[6] + P[22][2]*SF[5] + P[22][3]*SF[9] + P[22][11]*SPP[6] - P[22][12]*SPP[7] - (P[22][10]*q0)/2; + nextP[22][2] = P[22][2] + P[22][0]*SF[4] + P[22][1]*SF[8] + P[22][3]*SF[6] + P[22][12]*SF[11] - P[22][10]*SPP[6] - (P[22][11]*q0)/2; + nextP[22][3] = P[22][3] + P[22][0]*SF[5] + P[22][1]*SF[4] + P[22][2]*SF[7] - P[22][11]*SF[11] + P[22][10]*SPP[7] - (P[22][12]*q0)/2; + nextP[22][4] = P[22][4] + P[22][1]*SF[1] + P[22][0]*SF[3] + P[22][2]*SPP[0] - P[22][3]*SPP[2] - P[22][13]*SPP[4]; + nextP[22][5] = P[22][5] + P[22][0]*SF[2] + P[22][2]*SF[1] + P[22][3]*SF[3] - P[22][1]*SPP[0] + P[22][13]*SPP[3]; + nextP[22][6] = P[22][6] + P[22][1]*SF[2] + P[22][3]*SF[1] + P[22][0]*SPP[0] - P[22][2]*SPP[1] - P[22][13]*SPP[5]; + nextP[22][7] = P[22][7] + P[22][4]*dt; + nextP[22][8] = P[22][8] + P[22][5]*dt; + nextP[22][9] = P[22][9] + P[22][6]*dt; + nextP[22][10] = P[22][10]; + nextP[22][11] = P[22][11]; + nextP[22][12] = P[22][12]; + nextP[22][13] = P[22][13]; + nextP[22][14] = P[22][14]; + nextP[22][15] = P[22][15]; + nextP[22][16] = P[22][16]; + nextP[22][17] = P[22][17]; + nextP[22][18] = P[22][18]; + nextP[22][19] = P[22][19]; + nextP[22][20] = P[22][20]; + nextP[22][21] = P[22][21]; + nextP[22][22] = P[22][22]; + + for (unsigned i = 0; i < n_states; i++) + { + nextP[i][i] = nextP[i][i] + processNoise[i]; + } + + // If on ground or no magnetometer fitted, inhibit magnetometer bias updates by + // setting the coresponding covariance terms to zero. + if (onGround || !useCompass) + { + zeroRows(nextP,16,21); + zeroCols(nextP,16,21); + } + + // If on ground or not using airspeed sensing, inhibit wind velocity + // covariance growth. + if (onGround || !useAirspeed) + { + zeroRows(nextP,14,15); + zeroCols(nextP,14,15); + } + + // If on ground, inhibit terrain offset updates by + // setting the coresponding covariance terms to zero. + if (onGround) + { + zeroRows(nextP,22,22); + zeroCols(nextP,22,22); + } + + // If the total position variance exceds 1E6 (1000m), then stop covariance + // growth by setting the predicted to the previous values + // This prevent an ill conditioned matrix from occurring for long periods + // without GPS + if ((P[7][7] + P[8][8]) > 1E6f) + { + for (uint8_t i=7; i<=8; i++) + { + for (unsigned j = 0; j < n_states; j++) + { + nextP[i][j] = P[i][j]; + nextP[j][i] = P[j][i]; + } + } + } + + if (onGround || staticMode) { + // copy the portion of the variances we want to + // propagate + for (unsigned i = 0; i <= 13; i++) { + P[i][i] = nextP[i][i]; + + // force symmetry for observable states + // force zero for non-observable states + for (unsigned i = 1; i < n_states; i++) + { + for (uint8_t j = 0; j < i; j++) + { + if ((i > 13) || (j > 13)) { + P[i][j] = 0.0f; + } else { + P[i][j] = 0.5f * (nextP[i][j] + nextP[j][i]); + } + P[j][i] = P[i][j]; + } + } + } + + } else { + + // Copy covariance + for (unsigned i = 0; i < n_states; i++) { + P[i][i] = nextP[i][i]; + } + + // force symmetry for observable states + for (unsigned i = 1; i < n_states; i++) + { + for (uint8_t j = 0; j < i; j++) + { + P[i][j] = 0.5f * (nextP[i][j] + nextP[j][i]); + P[j][i] = P[i][j]; + } + } + + } + + ConstrainVariances(); +} + +void AttPosEKF::FuseVelposNED() +{ + +// declare variables used by fault isolation logic + uint32_t gpsRetryTime = 30000; // time in msec before GPS fusion will be retried following innovation consistency failure + uint32_t gpsRetryTimeNoTAS = 5000; // retry time if no TAS measurement available + uint32_t hgtRetryTime = 5000; // height measurement retry time + uint32_t horizRetryTime; + +// declare variables used to check measurement errors + float velInnov[3] = {0.0f,0.0f,0.0f}; + float posInnov[2] = {0.0f,0.0f}; + float hgtInnov = 0.0f; + +// declare variables used to control access to arrays + bool fuseData[6] = {false,false,false,false,false,false}; + uint8_t stateIndex; + uint8_t obsIndex; + uint8_t indexLimit; + +// declare variables used by state and covariance update calculations + float velErr; + float posErr; + float R_OBS[6]; + float observation[6]; + float SK; + float quatMag; + +// Perform sequential fusion of GPS measurements. This assumes that the +// errors in the different velocity and position components are +// uncorrelated which is not true, however in the absence of covariance +// data from the GPS receiver it is the only assumption we can make +// so we might as well take advantage of the computational efficiencies +// associated with sequential fusion + if (fuseVelData || fusePosData || fuseHgtData) + { + // set the GPS data timeout depending on whether airspeed data is present + if (useAirspeed) horizRetryTime = gpsRetryTime; + else horizRetryTime = gpsRetryTimeNoTAS; + + // Form the observation vector + for (uint8_t i=0; i<=2; i++) observation[i] = velNED[i]; + for (uint8_t i=3; i<=4; i++) observation[i] = posNE[i-3]; + observation[5] = -(hgtMea); + + // Estimate the GPS Velocity, GPS horiz position and height measurement variances. + velErr = 0.2f*accNavMag; // additional error in GPS velocities caused by manoeuvring + posErr = 0.2f*accNavMag; // additional error in GPS position caused by manoeuvring + R_OBS[0] = sq(vneSigma) + sq(velErr); + R_OBS[1] = R_OBS[0]; + R_OBS[2] = sq(vdSigma) + sq(velErr); + R_OBS[3] = sq(posNeSigma) + sq(posErr); + R_OBS[4] = R_OBS[3]; + R_OBS[5] = sq(posDSigma) + sq(posErr); + + // Set innovation variances to zero default + for (uint8_t i = 0; i<=5; i++) + { + varInnovVelPos[i] = 0.0f; + } + // calculate innovations and check GPS data validity using an innovation consistency check + if (fuseVelData) + { + // test velocity measurements + uint8_t imax = 2; + if (fusionModeGPS == 1) imax = 1; + for (uint8_t i = 0; i<=imax; i++) + { + velInnov[i] = statesAtVelTime[i+4] - velNED[i]; + stateIndex = 4 + i; + varInnovVelPos[i] = P[stateIndex][stateIndex] + R_OBS[i]; + } + // apply a 5-sigma threshold + current_ekf_state.velHealth = (sq(velInnov[0]) + sq(velInnov[1]) + sq(velInnov[2])) < 25.0f * (varInnovVelPos[0] + varInnovVelPos[1] + varInnovVelPos[2]); + current_ekf_state.velTimeout = (millis() - current_ekf_state.velFailTime) > horizRetryTime; + if (current_ekf_state.velHealth || current_ekf_state.velTimeout) + { + current_ekf_state.velHealth = true; + current_ekf_state.velFailTime = millis(); + } + else + { + current_ekf_state.velHealth = false; + } + } + if (fusePosData) + { + // test horizontal position measurements + posInnov[0] = statesAtPosTime[7] - posNE[0]; + posInnov[1] = statesAtPosTime[8] - posNE[1]; + varInnovVelPos[3] = P[7][7] + R_OBS[3]; + varInnovVelPos[4] = P[8][8] + R_OBS[4]; + // apply a 10-sigma threshold + current_ekf_state.posHealth = (sq(posInnov[0]) + sq(posInnov[1])) < 100.0f*(varInnovVelPos[3] + varInnovVelPos[4]); + current_ekf_state.posTimeout = (millis() - current_ekf_state.posFailTime) > horizRetryTime; + if (current_ekf_state.posHealth || current_ekf_state.posTimeout) + { + current_ekf_state.posHealth = true; + current_ekf_state.posFailTime = millis(); + } + else + { + current_ekf_state.posHealth = false; + } + } + // test height measurements + if (fuseHgtData) + { + hgtInnov = statesAtHgtTime[9] + hgtMea; + varInnovVelPos[5] = P[9][9] + R_OBS[5]; + // apply a 10-sigma threshold + current_ekf_state.hgtHealth = sq(hgtInnov) < 100.0f*varInnovVelPos[5]; + current_ekf_state.hgtTimeout = (millis() - current_ekf_state.hgtFailTime) > hgtRetryTime; + if (current_ekf_state.hgtHealth || current_ekf_state.hgtTimeout) + { + current_ekf_state.hgtHealth = true; + current_ekf_state.hgtFailTime = millis(); + } + else + { + current_ekf_state.hgtHealth = false; + } + } + // Set range for sequential fusion of velocity and position measurements depending + // on which data is available and its health + if (fuseVelData && fusionModeGPS == 0 && current_ekf_state.velHealth) + { + fuseData[0] = true; + fuseData[1] = true; + fuseData[2] = true; + } + if (fuseVelData && fusionModeGPS == 1 && current_ekf_state.velHealth) + { + fuseData[0] = true; + fuseData[1] = true; + } + if (fusePosData && fusionModeGPS <= 2 && current_ekf_state.posHealth) + { + fuseData[3] = true; + fuseData[4] = true; + } + if (fuseHgtData && current_ekf_state.hgtHealth) + { + fuseData[5] = true; + } + // Limit range of states modified when on ground + if(!onGround) + { + indexLimit = 22; + } + else + { + indexLimit = 13; + } + // Fuse measurements sequentially + for (obsIndex=0; obsIndex<=5; obsIndex++) + { + if (fuseData[obsIndex]) + { + stateIndex = 4 + obsIndex; + // Calculate the measurement innovation, using states from a + // different time coordinate if fusing height data + if (obsIndex >= 0 && obsIndex <= 2) + { + innovVelPos[obsIndex] = statesAtVelTime[stateIndex] - observation[obsIndex]; + } + else if (obsIndex == 3 || obsIndex == 4) + { + innovVelPos[obsIndex] = statesAtPosTime[stateIndex] - observation[obsIndex]; + } + else if (obsIndex == 5) + { + innovVelPos[obsIndex] = statesAtHgtTime[stateIndex] - observation[obsIndex]; + } + // Calculate the Kalman Gain + // Calculate innovation variances - also used for data logging + varInnovVelPos[obsIndex] = P[stateIndex][stateIndex] + R_OBS[obsIndex]; + SK = 1.0/varInnovVelPos[obsIndex]; + for (uint8_t i= 0; i<=indexLimit; i++) + { + Kfusion[i] = P[i][stateIndex]*SK; + } + + // Don't update Z accel bias state unless using a height observation (GPS velocities can be biased) + if (obsIndex != 5) { + Kfusion[13] = 0; + } + + // Calculate state corrections and re-normalise the quaternions + for (uint8_t i = 0; i<=indexLimit; i++) + { + states[i] = states[i] - Kfusion[i] * innovVelPos[obsIndex]; + } + quatMag = sqrt(states[0]*states[0] + states[1]*states[1] + states[2]*states[2] + states[3]*states[3]); + if (quatMag > 1e-12f) // divide by 0 protection + { + for (uint8_t i = 0; i<=3; i++) + { + states[i] = states[i] / quatMag; + } + } + // Update the covariance - take advantage of direct observation of a + // single state at index = stateIndex to reduce computations + // Optimised implementation of standard equation P = (I - K*H)*P; + for (uint8_t i= 0; i<=indexLimit; i++) + { + for (uint8_t j= 0; j<=indexLimit; j++) + { + KHP[i][j] = Kfusion[i] * P[stateIndex][j]; + } + } + for (uint8_t i= 0; i<=indexLimit; i++) + { + for (uint8_t j= 0; j<=indexLimit; j++) + { + P[i][j] = P[i][j] - KHP[i][j]; + } + } + } + } + } + + ForceSymmetry(); + ConstrainVariances(); + +} + +void AttPosEKF::FuseMagnetometer() +{ + + float &q0 = magstate.q0; + float &q1 = magstate.q1; + float &q2 = magstate.q2; + float &q3 = magstate.q3; + float &magN = magstate.magN; + float &magE = magstate.magE; + float &magD = magstate.magD; + float &magXbias = magstate.magXbias; + float &magYbias = magstate.magYbias; + float &magZbias = magstate.magZbias; + unsigned &obsIndex = magstate.obsIndex; + Mat3f &DCM = magstate.DCM; + float *MagPred = &magstate.MagPred[0]; + float &R_MAG = magstate.R_MAG; + float *SH_MAG = &magstate.SH_MAG[0]; + + float SK_MX[6]; + float SK_MY[5]; + float SK_MZ[6]; + float H_MAG[n_states]; + for (uint8_t i = 0; i < n_states; i++) { + H_MAG[i] = 0.0f; + } + unsigned indexLimit; + +// Perform sequential fusion of Magnetometer measurements. +// This assumes that the errors in the different components are +// uncorrelated which is not true, however in the absence of covariance +// data fit is the only assumption we can make +// so we might as well take advantage of the computational efficiencies +// associated with sequential fusion + if (useCompass && (fuseMagData || obsIndex == 1 || obsIndex == 2)) + { + // Limit range of states modified when on ground + if(!onGround) + { + indexLimit = n_states; + } + else + { + indexLimit = 13 + 1; + } + + // Sequential fusion of XYZ components to spread processing load across + // three prediction time steps. + + // Calculate observation jacobians and Kalman gains + if (fuseMagData) + { + // Copy required states to local variable names + q0 = statesAtMagMeasTime[0]; + q1 = statesAtMagMeasTime[1]; + q2 = statesAtMagMeasTime[2]; + q3 = statesAtMagMeasTime[3]; + magN = statesAtMagMeasTime[16]; + magE = statesAtMagMeasTime[17]; + magD = statesAtMagMeasTime[18]; + magXbias = statesAtMagMeasTime[19]; + magYbias = statesAtMagMeasTime[20]; + magZbias = statesAtMagMeasTime[21]; + + // rotate predicted earth components into body axes and calculate + // predicted measurments + DCM.x.x = q0*q0 + q1*q1 - q2*q2 - q3*q3; + DCM.x.y = 2*(q1*q2 + q0*q3); + DCM.x.z = 2*(q1*q3-q0*q2); + DCM.y.x = 2*(q1*q2 - q0*q3); + DCM.y.y = q0*q0 - q1*q1 + q2*q2 - q3*q3; + DCM.y.z = 2*(q2*q3 + q0*q1); + DCM.z.x = 2*(q1*q3 + q0*q2); + DCM.z.y = 2*(q2*q3 - q0*q1); + DCM.z.z = q0*q0 - q1*q1 - q2*q2 + q3*q3; + MagPred[0] = DCM.x.x*magN + DCM.x.y*magE + DCM.x.z*magD + magXbias; + MagPred[1] = DCM.y.x*magN + DCM.y.y*magE + DCM.y.z*magD + magYbias; + MagPred[2] = DCM.z.x*magN + DCM.z.y*magE + DCM.z.z*magD + magZbias; + + // scale magnetometer observation error with total angular rate + R_MAG = sq(magMeasurementSigma) + sq(0.05f*dAngIMU.length()/dtIMU); + + // Calculate observation jacobians + SH_MAG[0] = 2*magD*q3 + 2*magE*q2 + 2*magN*q1; + SH_MAG[1] = 2*magD*q0 - 2*magE*q1 + 2*magN*q2; + SH_MAG[2] = 2*magD*q1 + 2*magE*q0 - 2*magN*q3; + SH_MAG[3] = sq(q3); + SH_MAG[4] = sq(q2); + SH_MAG[5] = sq(q1); + SH_MAG[6] = sq(q0); + SH_MAG[7] = 2*magN*q0; + SH_MAG[8] = 2*magE*q3; + + for (uint8_t i = 0; i < n_states; i++) H_MAG[i] = 0; + H_MAG[0] = SH_MAG[7] + SH_MAG[8] - 2*magD*q2; + H_MAG[1] = SH_MAG[0]; + H_MAG[2] = 2*magE*q1 - 2*magD*q0 - 2*magN*q2; + H_MAG[3] = SH_MAG[2]; + H_MAG[16] = SH_MAG[5] - SH_MAG[4] - SH_MAG[3] + SH_MAG[6]; + H_MAG[17] = 2*q0*q3 + 2*q1*q2; + H_MAG[18] = 2*q1*q3 - 2*q0*q2; + H_MAG[19] = 1.0f; + + // Calculate Kalman gain + float temp = (P[19][19] + R_MAG + P[1][19]*SH_MAG[0] + P[3][19]*SH_MAG[2] - P[16][19]*(SH_MAG[3] + SH_MAG[4] - SH_MAG[5] - SH_MAG[6]) - (2*magD*q0 - 2*magE*q1 + 2*magN*q2)*(P[19][2] + P[1][2]*SH_MAG[0] + P[3][2]*SH_MAG[2] - P[16][2]*(SH_MAG[3] + SH_MAG[4] - SH_MAG[5] - SH_MAG[6]) + P[17][2]*(2*q0*q3 + 2*q1*q2) - P[18][2]*(2*q0*q2 - 2*q1*q3) - P[2][2]*(2*magD*q0 - 2*magE*q1 + 2*magN*q2) + P[0][2]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)) + (SH_MAG[7] + SH_MAG[8] - 2*magD*q2)*(P[19][0] + P[1][0]*SH_MAG[0] + P[3][0]*SH_MAG[2] - P[16][0]*(SH_MAG[3] + SH_MAG[4] - SH_MAG[5] - SH_MAG[6]) + P[17][0]*(2*q0*q3 + 2*q1*q2) - P[18][0]*(2*q0*q2 - 2*q1*q3) - P[2][0]*(2*magD*q0 - 2*magE*q1 + 2*magN*q2) + P[0][0]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)) + SH_MAG[0]*(P[19][1] + P[1][1]*SH_MAG[0] + P[3][1]*SH_MAG[2] - P[16][1]*(SH_MAG[3] + SH_MAG[4] - SH_MAG[5] - SH_MAG[6]) + P[17][1]*(2*q0*q3 + 2*q1*q2) - P[18][1]*(2*q0*q2 - 2*q1*q3) - P[2][1]*(2*magD*q0 - 2*magE*q1 + 2*magN*q2) + P[0][1]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)) + SH_MAG[2]*(P[19][3] + P[1][3]*SH_MAG[0] + P[3][3]*SH_MAG[2] - P[16][3]*(SH_MAG[3] + SH_MAG[4] - SH_MAG[5] - SH_MAG[6]) + P[17][3]*(2*q0*q3 + 2*q1*q2) - P[18][3]*(2*q0*q2 - 2*q1*q3) - P[2][3]*(2*magD*q0 - 2*magE*q1 + 2*magN*q2) + P[0][3]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)) - (SH_MAG[3] + SH_MAG[4] - SH_MAG[5] - SH_MAG[6])*(P[19][16] + P[1][16]*SH_MAG[0] + P[3][16]*SH_MAG[2] - P[16][16]*(SH_MAG[3] + SH_MAG[4] - SH_MAG[5] - SH_MAG[6]) + P[17][16]*(2*q0*q3 + 2*q1*q2) - P[18][16]*(2*q0*q2 - 2*q1*q3) - P[2][16]*(2*magD*q0 - 2*magE*q1 + 2*magN*q2) + P[0][16]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)) + P[17][19]*(2*q0*q3 + 2*q1*q2) - P[18][19]*(2*q0*q2 - 2*q1*q3) - P[2][19]*(2*magD*q0 - 2*magE*q1 + 2*magN*q2) + (2*q0*q3 + 2*q1*q2)*(P[19][17] + P[1][17]*SH_MAG[0] + P[3][17]*SH_MAG[2] - P[16][17]*(SH_MAG[3] + SH_MAG[4] - SH_MAG[5] - SH_MAG[6]) + P[17][17]*(2*q0*q3 + 2*q1*q2) - P[18][17]*(2*q0*q2 - 2*q1*q3) - P[2][17]*(2*magD*q0 - 2*magE*q1 + 2*magN*q2) + P[0][17]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)) - (2*q0*q2 - 2*q1*q3)*(P[19][18] + P[1][18]*SH_MAG[0] + P[3][18]*SH_MAG[2] - P[16][18]*(SH_MAG[3] + SH_MAG[4] - SH_MAG[5] - SH_MAG[6]) + P[17][18]*(2*q0*q3 + 2*q1*q2) - P[18][18]*(2*q0*q2 - 2*q1*q3) - P[2][18]*(2*magD*q0 - 2*magE*q1 + 2*magN*q2) + P[0][18]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)) + P[0][19]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)); + if (temp >= R_MAG) { + SK_MX[0] = 1.0f / temp; + } else { + // the calculation is badly conditioned, so we cannot perform fusion on this step + // we increase the state variances and try again next time + P[19][19] += 0.1f*R_MAG; + obsIndex = 1; + return; + } + SK_MX[1] = SH_MAG[3] + SH_MAG[4] - SH_MAG[5] - SH_MAG[6]; + SK_MX[2] = 2*magD*q0 - 2*magE*q1 + 2*magN*q2; + SK_MX[3] = SH_MAG[7] + SH_MAG[8] - 2*magD*q2; + SK_MX[4] = 2*q0*q2 - 2*q1*q3; + SK_MX[5] = 2*q0*q3 + 2*q1*q2; + Kfusion[0] = SK_MX[0]*(P[0][19] + P[0][1]*SH_MAG[0] + P[0][3]*SH_MAG[2] + P[0][0]*SK_MX[3] - P[0][2]*SK_MX[2] - P[0][16]*SK_MX[1] + P[0][17]*SK_MX[5] - P[0][18]*SK_MX[4]); + Kfusion[1] = SK_MX[0]*(P[1][19] + P[1][1]*SH_MAG[0] + P[1][3]*SH_MAG[2] + P[1][0]*SK_MX[3] - P[1][2]*SK_MX[2] - P[1][16]*SK_MX[1] + P[1][17]*SK_MX[5] - P[1][18]*SK_MX[4]); + Kfusion[2] = SK_MX[0]*(P[2][19] + P[2][1]*SH_MAG[0] + P[2][3]*SH_MAG[2] + P[2][0]*SK_MX[3] - P[2][2]*SK_MX[2] - P[2][16]*SK_MX[1] + P[2][17]*SK_MX[5] - P[2][18]*SK_MX[4]); + Kfusion[3] = SK_MX[0]*(P[3][19] + P[3][1]*SH_MAG[0] + P[3][3]*SH_MAG[2] + P[3][0]*SK_MX[3] - P[3][2]*SK_MX[2] - P[3][16]*SK_MX[1] + P[3][17]*SK_MX[5] - P[3][18]*SK_MX[4]); + Kfusion[4] = SK_MX[0]*(P[4][19] + P[4][1]*SH_MAG[0] + P[4][3]*SH_MAG[2] + P[4][0]*SK_MX[3] - P[4][2]*SK_MX[2] - P[4][16]*SK_MX[1] + P[4][17]*SK_MX[5] - P[4][18]*SK_MX[4]); + Kfusion[5] = SK_MX[0]*(P[5][19] + P[5][1]*SH_MAG[0] + P[5][3]*SH_MAG[2] + P[5][0]*SK_MX[3] - P[5][2]*SK_MX[2] - P[5][16]*SK_MX[1] + P[5][17]*SK_MX[5] - P[5][18]*SK_MX[4]); + Kfusion[6] = SK_MX[0]*(P[6][19] + P[6][1]*SH_MAG[0] + P[6][3]*SH_MAG[2] + P[6][0]*SK_MX[3] - P[6][2]*SK_MX[2] - P[6][16]*SK_MX[1] + P[6][17]*SK_MX[5] - P[6][18]*SK_MX[4]); + Kfusion[7] = SK_MX[0]*(P[7][19] + P[7][1]*SH_MAG[0] + P[7][3]*SH_MAG[2] + P[7][0]*SK_MX[3] - P[7][2]*SK_MX[2] - P[7][16]*SK_MX[1] + P[7][17]*SK_MX[5] - P[7][18]*SK_MX[4]); + Kfusion[8] = SK_MX[0]*(P[8][19] + P[8][1]*SH_MAG[0] + P[8][3]*SH_MAG[2] + P[8][0]*SK_MX[3] - P[8][2]*SK_MX[2] - P[8][16]*SK_MX[1] + P[8][17]*SK_MX[5] - P[8][18]*SK_MX[4]); + Kfusion[9] = SK_MX[0]*(P[9][19] + P[9][1]*SH_MAG[0] + P[9][3]*SH_MAG[2] + P[9][0]*SK_MX[3] - P[9][2]*SK_MX[2] - P[9][16]*SK_MX[1] + P[9][17]*SK_MX[5] - P[9][18]*SK_MX[4]); + Kfusion[10] = SK_MX[0]*(P[10][19] + P[10][1]*SH_MAG[0] + P[10][3]*SH_MAG[2] + P[10][0]*SK_MX[3] - P[10][2]*SK_MX[2] - P[10][16]*SK_MX[1] + P[10][17]*SK_MX[5] - P[10][18]*SK_MX[4]); + Kfusion[11] = SK_MX[0]*(P[11][19] + P[11][1]*SH_MAG[0] + P[11][3]*SH_MAG[2] + P[11][0]*SK_MX[3] - P[11][2]*SK_MX[2] - P[11][16]*SK_MX[1] + P[11][17]*SK_MX[5] - P[11][18]*SK_MX[4]); + Kfusion[12] = SK_MX[0]*(P[12][19] + P[12][1]*SH_MAG[0] + P[12][3]*SH_MAG[2] + P[12][0]*SK_MX[3] - P[12][2]*SK_MX[2] - P[12][16]*SK_MX[1] + P[12][17]*SK_MX[5] - P[12][18]*SK_MX[4]); + // Only height measurements are allowed to modify the Z delta velocity bias state. This improves the stability of the estimate + Kfusion[13] = 0.0f;//SK_MX[0]*(P[13][19] + P[13][1]*SH_MAG[0] + P[13][3]*SH_MAG[2] + P[13][0]*SK_MX[3] - P[13][2]*SK_MX[2] - P[13][16]*SK_MX[1] + P[13][17]*SK_MX[5] - P[13][18]*SK_MX[4]); + Kfusion[14] = SK_MX[0]*(P[14][19] + P[14][1]*SH_MAG[0] + P[14][3]*SH_MAG[2] + P[14][0]*SK_MX[3] - P[14][2]*SK_MX[2] - P[14][16]*SK_MX[1] + P[14][17]*SK_MX[5] - P[14][18]*SK_MX[4]); + Kfusion[15] = SK_MX[0]*(P[15][19] + P[15][1]*SH_MAG[0] + P[15][3]*SH_MAG[2] + P[15][0]*SK_MX[3] - P[15][2]*SK_MX[2] - P[15][16]*SK_MX[1] + P[15][17]*SK_MX[5] - P[15][18]*SK_MX[4]); + Kfusion[16] = SK_MX[0]*(P[16][19] + P[16][1]*SH_MAG[0] + P[16][3]*SH_MAG[2] + P[16][0]*SK_MX[3] - P[16][2]*SK_MX[2] - P[16][16]*SK_MX[1] + P[16][17]*SK_MX[5] - P[16][18]*SK_MX[4]); + Kfusion[17] = SK_MX[0]*(P[17][19] + P[17][1]*SH_MAG[0] + P[17][3]*SH_MAG[2] + P[17][0]*SK_MX[3] - P[17][2]*SK_MX[2] - P[17][16]*SK_MX[1] + P[17][17]*SK_MX[5] - P[17][18]*SK_MX[4]); + Kfusion[18] = SK_MX[0]*(P[18][19] + P[18][1]*SH_MAG[0] + P[18][3]*SH_MAG[2] + P[18][0]*SK_MX[3] - P[18][2]*SK_MX[2] - P[18][16]*SK_MX[1] + P[18][17]*SK_MX[5] - P[18][18]*SK_MX[4]); + Kfusion[19] = SK_MX[0]*(P[19][19] + P[19][1]*SH_MAG[0] + P[19][3]*SH_MAG[2] + P[19][0]*SK_MX[3] - P[19][2]*SK_MX[2] - P[19][16]*SK_MX[1] + P[19][17]*SK_MX[5] - P[19][18]*SK_MX[4]); + Kfusion[20] = SK_MX[0]*(P[20][19] + P[20][1]*SH_MAG[0] + P[20][3]*SH_MAG[2] + P[20][0]*SK_MX[3] - P[20][2]*SK_MX[2] - P[20][16]*SK_MX[1] + P[20][17]*SK_MX[5] - P[20][18]*SK_MX[4]); + Kfusion[21] = SK_MX[0]*(P[21][19] + P[21][1]*SH_MAG[0] + P[21][3]*SH_MAG[2] + P[21][0]*SK_MX[3] - P[21][2]*SK_MX[2] - P[21][16]*SK_MX[1] + P[21][17]*SK_MX[5] - P[21][18]*SK_MX[4]); + Kfusion[22] = SK_MX[0]*(P[22][19] + P[22][1]*SH_MAG[0] + P[22][3]*SH_MAG[2] + P[22][0]*SK_MX[3] - P[22][2]*SK_MX[2] - P[22][16]*SK_MX[1] + P[22][17]*SK_MX[5] - P[22][18]*SK_MX[4]); + varInnovMag[0] = 1.0f/SK_MX[0]; + innovMag[0] = MagPred[0] - magData.x; + + // reset the observation index to 0 (we start by fusing the X + // measurement) + obsIndex = 0; + fuseMagData = false; + } + else if (obsIndex == 1) // we are now fusing the Y measurement + { + // Calculate observation jacobians + for (unsigned int i = 0; i < n_states; i++) H_MAG[i] = 0; + H_MAG[0] = SH_MAG[2]; + H_MAG[1] = SH_MAG[1]; + H_MAG[2] = SH_MAG[0]; + H_MAG[3] = 2*magD*q2 - SH_MAG[8] - SH_MAG[7]; + H_MAG[16] = 2*q1*q2 - 2*q0*q3; + H_MAG[17] = SH_MAG[4] - SH_MAG[3] - SH_MAG[5] + SH_MAG[6]; + H_MAG[18] = 2*q0*q1 + 2*q2*q3; + H_MAG[20] = 1; + + // Calculate Kalman gain + float temp = (P[20][20] + R_MAG + P[0][20]*SH_MAG[2] + P[1][20]*SH_MAG[1] + P[2][20]*SH_MAG[0] - P[17][20]*(SH_MAG[3] - SH_MAG[4] + SH_MAG[5] - SH_MAG[6]) - (2*q0*q3 - 2*q1*q2)*(P[20][16] + P[0][16]*SH_MAG[2] + P[1][16]*SH_MAG[1] + P[2][16]*SH_MAG[0] - P[17][16]*(SH_MAG[3] - SH_MAG[4] + SH_MAG[5] - SH_MAG[6]) - P[16][16]*(2*q0*q3 - 2*q1*q2) + P[18][16]*(2*q0*q1 + 2*q2*q3) - P[3][16]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)) + (2*q0*q1 + 2*q2*q3)*(P[20][18] + P[0][18]*SH_MAG[2] + P[1][18]*SH_MAG[1] + P[2][18]*SH_MAG[0] - P[17][18]*(SH_MAG[3] - SH_MAG[4] + SH_MAG[5] - SH_MAG[6]) - P[16][18]*(2*q0*q3 - 2*q1*q2) + P[18][18]*(2*q0*q1 + 2*q2*q3) - P[3][18]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)) - (SH_MAG[7] + SH_MAG[8] - 2*magD*q2)*(P[20][3] + P[0][3]*SH_MAG[2] + P[1][3]*SH_MAG[1] + P[2][3]*SH_MAG[0] - P[17][3]*(SH_MAG[3] - SH_MAG[4] + SH_MAG[5] - SH_MAG[6]) - P[16][3]*(2*q0*q3 - 2*q1*q2) + P[18][3]*(2*q0*q1 + 2*q2*q3) - P[3][3]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)) - P[16][20]*(2*q0*q3 - 2*q1*q2) + P[18][20]*(2*q0*q1 + 2*q2*q3) + SH_MAG[2]*(P[20][0] + P[0][0]*SH_MAG[2] + P[1][0]*SH_MAG[1] + P[2][0]*SH_MAG[0] - P[17][0]*(SH_MAG[3] - SH_MAG[4] + SH_MAG[5] - SH_MAG[6]) - P[16][0]*(2*q0*q3 - 2*q1*q2) + P[18][0]*(2*q0*q1 + 2*q2*q3) - P[3][0]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)) + SH_MAG[1]*(P[20][1] + P[0][1]*SH_MAG[2] + P[1][1]*SH_MAG[1] + P[2][1]*SH_MAG[0] - P[17][1]*(SH_MAG[3] - SH_MAG[4] + SH_MAG[5] - SH_MAG[6]) - P[16][1]*(2*q0*q3 - 2*q1*q2) + P[18][1]*(2*q0*q1 + 2*q2*q3) - P[3][1]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)) + SH_MAG[0]*(P[20][2] + P[0][2]*SH_MAG[2] + P[1][2]*SH_MAG[1] + P[2][2]*SH_MAG[0] - P[17][2]*(SH_MAG[3] - SH_MAG[4] + SH_MAG[5] - SH_MAG[6]) - P[16][2]*(2*q0*q3 - 2*q1*q2) + P[18][2]*(2*q0*q1 + 2*q2*q3) - P[3][2]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)) - (SH_MAG[3] - SH_MAG[4] + SH_MAG[5] - SH_MAG[6])*(P[20][17] + P[0][17]*SH_MAG[2] + P[1][17]*SH_MAG[1] + P[2][17]*SH_MAG[0] - P[17][17]*(SH_MAG[3] - SH_MAG[4] + SH_MAG[5] - SH_MAG[6]) - P[16][17]*(2*q0*q3 - 2*q1*q2) + P[18][17]*(2*q0*q1 + 2*q2*q3) - P[3][17]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)) - P[3][20]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)); + if (temp >= R_MAG) { + SK_MY[0] = 1.0f / temp; + } else { + // the calculation is badly conditioned, so we cannot perform fusion on this step + // we increase the state variances and try again next time + P[20][20] += 0.1f*R_MAG; + obsIndex = 2; + return; + } + SK_MY[1] = SH_MAG[3] - SH_MAG[4] + SH_MAG[5] - SH_MAG[6]; + SK_MY[2] = SH_MAG[7] + SH_MAG[8] - 2*magD*q2; + SK_MY[3] = 2*q0*q3 - 2*q1*q2; + SK_MY[4] = 2*q0*q1 + 2*q2*q3; + Kfusion[0] = SK_MY[0]*(P[0][20] + P[0][0]*SH_MAG[2] + P[0][1]*SH_MAG[1] + P[0][2]*SH_MAG[0] - P[0][3]*SK_MY[2] - P[0][17]*SK_MY[1] - P[0][16]*SK_MY[3] + P[0][18]*SK_MY[4]); + Kfusion[1] = SK_MY[0]*(P[1][20] + P[1][0]*SH_MAG[2] + P[1][1]*SH_MAG[1] + P[1][2]*SH_MAG[0] - P[1][3]*SK_MY[2] - P[1][17]*SK_MY[1] - P[1][16]*SK_MY[3] + P[1][18]*SK_MY[4]); + Kfusion[2] = SK_MY[0]*(P[2][20] + P[2][0]*SH_MAG[2] + P[2][1]*SH_MAG[1] + P[2][2]*SH_MAG[0] - P[2][3]*SK_MY[2] - P[2][17]*SK_MY[1] - P[2][16]*SK_MY[3] + P[2][18]*SK_MY[4]); + Kfusion[3] = SK_MY[0]*(P[3][20] + P[3][0]*SH_MAG[2] + P[3][1]*SH_MAG[1] + P[3][2]*SH_MAG[0] - P[3][3]*SK_MY[2] - P[3][17]*SK_MY[1] - P[3][16]*SK_MY[3] + P[3][18]*SK_MY[4]); + Kfusion[4] = SK_MY[0]*(P[4][20] + P[4][0]*SH_MAG[2] + P[4][1]*SH_MAG[1] + P[4][2]*SH_MAG[0] - P[4][3]*SK_MY[2] - P[4][17]*SK_MY[1] - P[4][16]*SK_MY[3] + P[4][18]*SK_MY[4]); + Kfusion[5] = SK_MY[0]*(P[5][20] + P[5][0]*SH_MAG[2] + P[5][1]*SH_MAG[1] + P[5][2]*SH_MAG[0] - P[5][3]*SK_MY[2] - P[5][17]*SK_MY[1] - P[5][16]*SK_MY[3] + P[5][18]*SK_MY[4]); + Kfusion[6] = SK_MY[0]*(P[6][20] + P[6][0]*SH_MAG[2] + P[6][1]*SH_MAG[1] + P[6][2]*SH_MAG[0] - P[6][3]*SK_MY[2] - P[6][17]*SK_MY[1] - P[6][16]*SK_MY[3] + P[6][18]*SK_MY[4]); + Kfusion[7] = SK_MY[0]*(P[7][20] + P[7][0]*SH_MAG[2] + P[7][1]*SH_MAG[1] + P[7][2]*SH_MAG[0] - P[7][3]*SK_MY[2] - P[7][17]*SK_MY[1] - P[7][16]*SK_MY[3] + P[7][18]*SK_MY[4]); + Kfusion[8] = SK_MY[0]*(P[8][20] + P[8][0]*SH_MAG[2] + P[8][1]*SH_MAG[1] + P[8][2]*SH_MAG[0] - P[8][3]*SK_MY[2] - P[8][17]*SK_MY[1] - P[8][16]*SK_MY[3] + P[8][18]*SK_MY[4]); + Kfusion[9] = SK_MY[0]*(P[9][20] + P[9][0]*SH_MAG[2] + P[9][1]*SH_MAG[1] + P[9][2]*SH_MAG[0] - P[9][3]*SK_MY[2] - P[9][17]*SK_MY[1] - P[9][16]*SK_MY[3] + P[9][18]*SK_MY[4]); + Kfusion[10] = SK_MY[0]*(P[10][20] + P[10][0]*SH_MAG[2] + P[10][1]*SH_MAG[1] + P[10][2]*SH_MAG[0] - P[10][3]*SK_MY[2] - P[10][17]*SK_MY[1] - P[10][16]*SK_MY[3] + P[10][18]*SK_MY[4]); + Kfusion[11] = SK_MY[0]*(P[11][20] + P[11][0]*SH_MAG[2] + P[11][1]*SH_MAG[1] + P[11][2]*SH_MAG[0] - P[11][3]*SK_MY[2] - P[11][17]*SK_MY[1] - P[11][16]*SK_MY[3] + P[11][18]*SK_MY[4]); + Kfusion[12] = SK_MY[0]*(P[12][20] + P[12][0]*SH_MAG[2] + P[12][1]*SH_MAG[1] + P[12][2]*SH_MAG[0] - P[12][3]*SK_MY[2] - P[12][17]*SK_MY[1] - P[12][16]*SK_MY[3] + P[12][18]*SK_MY[4]); + // Only height measurements are allowed to modify the Z delta velocity bias state. This improves the stability of the estimate + Kfusion[13] = 0.0f;//SK_MY[0]*(P[13][20] + P[13][0]*SH_MAG[2] + P[13][1]*SH_MAG[1] + P[13][2]*SH_MAG[0] - P[13][3]*SK_MY[2] - P[13][17]*SK_MY[1] - P[13][16]*SK_MY[3] + P[13][18]*SK_MY[4]); + Kfusion[14] = SK_MY[0]*(P[14][20] + P[14][0]*SH_MAG[2] + P[14][1]*SH_MAG[1] + P[14][2]*SH_MAG[0] - P[14][3]*SK_MY[2] - P[14][17]*SK_MY[1] - P[14][16]*SK_MY[3] + P[14][18]*SK_MY[4]); + Kfusion[15] = SK_MY[0]*(P[15][20] + P[15][0]*SH_MAG[2] + P[15][1]*SH_MAG[1] + P[15][2]*SH_MAG[0] - P[15][3]*SK_MY[2] - P[15][17]*SK_MY[1] - P[15][16]*SK_MY[3] + P[15][18]*SK_MY[4]); + Kfusion[16] = SK_MY[0]*(P[16][20] + P[16][0]*SH_MAG[2] + P[16][1]*SH_MAG[1] + P[16][2]*SH_MAG[0] - P[16][3]*SK_MY[2] - P[16][17]*SK_MY[1] - P[16][16]*SK_MY[3] + P[16][18]*SK_MY[4]); + Kfusion[17] = SK_MY[0]*(P[17][20] + P[17][0]*SH_MAG[2] + P[17][1]*SH_MAG[1] + P[17][2]*SH_MAG[0] - P[17][3]*SK_MY[2] - P[17][17]*SK_MY[1] - P[17][16]*SK_MY[3] + P[17][18]*SK_MY[4]); + Kfusion[18] = SK_MY[0]*(P[18][20] + P[18][0]*SH_MAG[2] + P[18][1]*SH_MAG[1] + P[18][2]*SH_MAG[0] - P[18][3]*SK_MY[2] - P[18][17]*SK_MY[1] - P[18][16]*SK_MY[3] + P[18][18]*SK_MY[4]); + Kfusion[19] = SK_MY[0]*(P[19][20] + P[19][0]*SH_MAG[2] + P[19][1]*SH_MAG[1] + P[19][2]*SH_MAG[0] - P[19][3]*SK_MY[2] - P[19][17]*SK_MY[1] - P[19][16]*SK_MY[3] + P[19][18]*SK_MY[4]); + Kfusion[20] = SK_MY[0]*(P[20][20] + P[20][0]*SH_MAG[2] + P[20][1]*SH_MAG[1] + P[20][2]*SH_MAG[0] - P[20][3]*SK_MY[2] - P[20][17]*SK_MY[1] - P[20][16]*SK_MY[3] + P[20][18]*SK_MY[4]); + Kfusion[21] = SK_MY[0]*(P[21][20] + P[21][0]*SH_MAG[2] + P[21][1]*SH_MAG[1] + P[21][2]*SH_MAG[0] - P[21][3]*SK_MY[2] - P[21][17]*SK_MY[1] - P[21][16]*SK_MY[3] + P[21][18]*SK_MY[4]); + Kfusion[22] = SK_MY[0]*(P[22][20] + P[22][0]*SH_MAG[2] + P[22][1]*SH_MAG[1] + P[22][2]*SH_MAG[0] - P[22][3]*SK_MY[2] - P[22][17]*SK_MY[1] - P[22][16]*SK_MY[3] + P[22][18]*SK_MY[4]); + varInnovMag[1] = 1.0f/SK_MY[0]; + innovMag[1] = MagPred[1] - magData.y; + } + else if (obsIndex == 2) // we are now fusing the Z measurement + { + // Calculate observation jacobians + for (uint8_t i = 0; i < n_states; i++) H_MAG[i] = 0; + H_MAG[0] = SH_MAG[1]; + H_MAG[1] = 2*magN*q3 - 2*magE*q0 - 2*magD*q1; + H_MAG[2] = SH_MAG[7] + SH_MAG[8] - 2*magD*q2; + H_MAG[3] = SH_MAG[0]; + H_MAG[16] = 2*q0*q2 + 2*q1*q3; + H_MAG[17] = 2*q2*q3 - 2*q0*q1; + H_MAG[18] = SH_MAG[3] - SH_MAG[4] - SH_MAG[5] + SH_MAG[6]; + H_MAG[21] = 1; + + // Calculate Kalman gain + float temp = (P[21][21] + R_MAG + P[0][21]*SH_MAG[1] + P[3][21]*SH_MAG[0] + P[18][21]*(SH_MAG[3] - SH_MAG[4] - SH_MAG[5] + SH_MAG[6]) - (2*magD*q1 + 2*magE*q0 - 2*magN*q3)*(P[21][1] + P[0][1]*SH_MAG[1] + P[3][1]*SH_MAG[0] + P[18][1]*(SH_MAG[3] - SH_MAG[4] - SH_MAG[5] + SH_MAG[6]) + P[16][1]*(2*q0*q2 + 2*q1*q3) - P[17][1]*(2*q0*q1 - 2*q2*q3) - P[1][1]*(2*magD*q1 + 2*magE*q0 - 2*magN*q3) + P[2][1]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)) + (SH_MAG[7] + SH_MAG[8] - 2*magD*q2)*(P[21][2] + P[0][2]*SH_MAG[1] + P[3][2]*SH_MAG[0] + P[18][2]*(SH_MAG[3] - SH_MAG[4] - SH_MAG[5] + SH_MAG[6]) + P[16][2]*(2*q0*q2 + 2*q1*q3) - P[17][2]*(2*q0*q1 - 2*q2*q3) - P[1][2]*(2*magD*q1 + 2*magE*q0 - 2*magN*q3) + P[2][2]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)) + SH_MAG[1]*(P[21][0] + P[0][0]*SH_MAG[1] + P[3][0]*SH_MAG[0] + P[18][0]*(SH_MAG[3] - SH_MAG[4] - SH_MAG[5] + SH_MAG[6]) + P[16][0]*(2*q0*q2 + 2*q1*q3) - P[17][0]*(2*q0*q1 - 2*q2*q3) - P[1][0]*(2*magD*q1 + 2*magE*q0 - 2*magN*q3) + P[2][0]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)) + SH_MAG[0]*(P[21][3] + P[0][3]*SH_MAG[1] + P[3][3]*SH_MAG[0] + P[18][3]*(SH_MAG[3] - SH_MAG[4] - SH_MAG[5] + SH_MAG[6]) + P[16][3]*(2*q0*q2 + 2*q1*q3) - P[17][3]*(2*q0*q1 - 2*q2*q3) - P[1][3]*(2*magD*q1 + 2*magE*q0 - 2*magN*q3) + P[2][3]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)) + (SH_MAG[3] - SH_MAG[4] - SH_MAG[5] + SH_MAG[6])*(P[21][18] + P[0][18]*SH_MAG[1] + P[3][18]*SH_MAG[0] + P[18][18]*(SH_MAG[3] - SH_MAG[4] - SH_MAG[5] + SH_MAG[6]) + P[16][18]*(2*q0*q2 + 2*q1*q3) - P[17][18]*(2*q0*q1 - 2*q2*q3) - P[1][18]*(2*magD*q1 + 2*magE*q0 - 2*magN*q3) + P[2][18]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)) + P[16][21]*(2*q0*q2 + 2*q1*q3) - P[17][21]*(2*q0*q1 - 2*q2*q3) - P[1][21]*(2*magD*q1 + 2*magE*q0 - 2*magN*q3) + (2*q0*q2 + 2*q1*q3)*(P[21][16] + P[0][16]*SH_MAG[1] + P[3][16]*SH_MAG[0] + P[18][16]*(SH_MAG[3] - SH_MAG[4] - SH_MAG[5] + SH_MAG[6]) + P[16][16]*(2*q0*q2 + 2*q1*q3) - P[17][16]*(2*q0*q1 - 2*q2*q3) - P[1][16]*(2*magD*q1 + 2*magE*q0 - 2*magN*q3) + P[2][16]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)) - (2*q0*q1 - 2*q2*q3)*(P[21][17] + P[0][17]*SH_MAG[1] + P[3][17]*SH_MAG[0] + P[18][17]*(SH_MAG[3] - SH_MAG[4] - SH_MAG[5] + SH_MAG[6]) + P[16][17]*(2*q0*q2 + 2*q1*q3) - P[17][17]*(2*q0*q1 - 2*q2*q3) - P[1][17]*(2*magD*q1 + 2*magE*q0 - 2*magN*q3) + P[2][17]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)) + P[2][21]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)); + if (temp >= R_MAG) { + SK_MZ[0] = 1.0f / temp; + } else { + // the calculation is badly conditioned, so we cannot perform fusion on this step + // we increase the state variances and try again next time + P[21][21] += 0.1f*R_MAG; + obsIndex = 3; + return; + } + SK_MZ[1] = SH_MAG[3] - SH_MAG[4] - SH_MAG[5] + SH_MAG[6]; + SK_MZ[2] = 2*magD*q1 + 2*magE*q0 - 2*magN*q3; + SK_MZ[3] = SH_MAG[7] + SH_MAG[8] - 2*magD*q2; + SK_MZ[4] = 2*q0*q1 - 2*q2*q3; + SK_MZ[5] = 2*q0*q2 + 2*q1*q3; + Kfusion[0] = SK_MZ[0]*(P[0][21] + P[0][0]*SH_MAG[1] + P[0][3]*SH_MAG[0] - P[0][1]*SK_MZ[2] + P[0][2]*SK_MZ[3] + P[0][18]*SK_MZ[1] + P[0][16]*SK_MZ[5] - P[0][17]*SK_MZ[4]); + Kfusion[1] = SK_MZ[0]*(P[1][21] + P[1][0]*SH_MAG[1] + P[1][3]*SH_MAG[0] - P[1][1]*SK_MZ[2] + P[1][2]*SK_MZ[3] + P[1][18]*SK_MZ[1] + P[1][16]*SK_MZ[5] - P[1][17]*SK_MZ[4]); + Kfusion[2] = SK_MZ[0]*(P[2][21] + P[2][0]*SH_MAG[1] + P[2][3]*SH_MAG[0] - P[2][1]*SK_MZ[2] + P[2][2]*SK_MZ[3] + P[2][18]*SK_MZ[1] + P[2][16]*SK_MZ[5] - P[2][17]*SK_MZ[4]); + Kfusion[3] = SK_MZ[0]*(P[3][21] + P[3][0]*SH_MAG[1] + P[3][3]*SH_MAG[0] - P[3][1]*SK_MZ[2] + P[3][2]*SK_MZ[3] + P[3][18]*SK_MZ[1] + P[3][16]*SK_MZ[5] - P[3][17]*SK_MZ[4]); + Kfusion[4] = SK_MZ[0]*(P[4][21] + P[4][0]*SH_MAG[1] + P[4][3]*SH_MAG[0] - P[4][1]*SK_MZ[2] + P[4][2]*SK_MZ[3] + P[4][18]*SK_MZ[1] + P[4][16]*SK_MZ[5] - P[4][17]*SK_MZ[4]); + Kfusion[5] = SK_MZ[0]*(P[5][21] + P[5][0]*SH_MAG[1] + P[5][3]*SH_MAG[0] - P[5][1]*SK_MZ[2] + P[5][2]*SK_MZ[3] + P[5][18]*SK_MZ[1] + P[5][16]*SK_MZ[5] - P[5][17]*SK_MZ[4]); + Kfusion[6] = SK_MZ[0]*(P[6][21] + P[6][0]*SH_MAG[1] + P[6][3]*SH_MAG[0] - P[6][1]*SK_MZ[2] + P[6][2]*SK_MZ[3] + P[6][18]*SK_MZ[1] + P[6][16]*SK_MZ[5] - P[6][17]*SK_MZ[4]); + Kfusion[7] = SK_MZ[0]*(P[7][21] + P[7][0]*SH_MAG[1] + P[7][3]*SH_MAG[0] - P[7][1]*SK_MZ[2] + P[7][2]*SK_MZ[3] + P[7][18]*SK_MZ[1] + P[7][16]*SK_MZ[5] - P[7][17]*SK_MZ[4]); + Kfusion[8] = SK_MZ[0]*(P[8][21] + P[8][0]*SH_MAG[1] + P[8][3]*SH_MAG[0] - P[8][1]*SK_MZ[2] + P[8][2]*SK_MZ[3] + P[8][18]*SK_MZ[1] + P[8][16]*SK_MZ[5] - P[8][17]*SK_MZ[4]); + Kfusion[9] = SK_MZ[0]*(P[9][21] + P[9][0]*SH_MAG[1] + P[9][3]*SH_MAG[0] - P[9][1]*SK_MZ[2] + P[9][2]*SK_MZ[3] + P[9][18]*SK_MZ[1] + P[9][16]*SK_MZ[5] - P[9][17]*SK_MZ[4]); + Kfusion[10] = SK_MZ[0]*(P[10][21] + P[10][0]*SH_MAG[1] + P[10][3]*SH_MAG[0] - P[10][1]*SK_MZ[2] + P[10][2]*SK_MZ[3] + P[10][18]*SK_MZ[1] + P[10][16]*SK_MZ[5] - P[10][17]*SK_MZ[4]); + Kfusion[11] = SK_MZ[0]*(P[11][21] + P[11][0]*SH_MAG[1] + P[11][3]*SH_MAG[0] - P[11][1]*SK_MZ[2] + P[11][2]*SK_MZ[3] + P[11][18]*SK_MZ[1] + P[11][16]*SK_MZ[5] - P[11][17]*SK_MZ[4]); + Kfusion[12] = SK_MZ[0]*(P[12][21] + P[12][0]*SH_MAG[1] + P[12][3]*SH_MAG[0] - P[12][1]*SK_MZ[2] + P[12][2]*SK_MZ[3] + P[12][18]*SK_MZ[1] + P[12][16]*SK_MZ[5] - P[12][17]*SK_MZ[4]); + // Only height measurements are allowed to modify the Z delta velocity bias state. This improves the stability of the estimate + Kfusion[13] = 0.0f;//SK_MZ[0]*(P[13][21] + P[13][0]*SH_MAG[1] + P[13][3]*SH_MAG[0] - P[13][1]*SK_MZ[2] + P[13][2]*SK_MZ[3] + P[13][18]*SK_MZ[1] + P[13][16]*SK_MZ[5] - P[13][17]*SK_MZ[4]); + Kfusion[14] = SK_MZ[0]*(P[14][21] + P[14][0]*SH_MAG[1] + P[14][3]*SH_MAG[0] - P[14][1]*SK_MZ[2] + P[14][2]*SK_MZ[3] + P[14][18]*SK_MZ[1] + P[14][16]*SK_MZ[5] - P[14][17]*SK_MZ[4]); + Kfusion[15] = SK_MZ[0]*(P[15][21] + P[15][0]*SH_MAG[1] + P[15][3]*SH_MAG[0] - P[15][1]*SK_MZ[2] + P[15][2]*SK_MZ[3] + P[15][18]*SK_MZ[1] + P[15][16]*SK_MZ[5] - P[15][17]*SK_MZ[4]); + Kfusion[16] = SK_MZ[0]*(P[16][21] + P[16][0]*SH_MAG[1] + P[16][3]*SH_MAG[0] - P[16][1]*SK_MZ[2] + P[16][2]*SK_MZ[3] + P[16][18]*SK_MZ[1] + P[16][16]*SK_MZ[5] - P[16][17]*SK_MZ[4]); + Kfusion[17] = SK_MZ[0]*(P[17][21] + P[17][0]*SH_MAG[1] + P[17][3]*SH_MAG[0] - P[17][1]*SK_MZ[2] + P[17][2]*SK_MZ[3] + P[17][18]*SK_MZ[1] + P[17][16]*SK_MZ[5] - P[17][17]*SK_MZ[4]); + Kfusion[18] = SK_MZ[0]*(P[18][21] + P[18][0]*SH_MAG[1] + P[18][3]*SH_MAG[0] - P[18][1]*SK_MZ[2] + P[18][2]*SK_MZ[3] + P[18][18]*SK_MZ[1] + P[18][16]*SK_MZ[5] - P[18][17]*SK_MZ[4]); + Kfusion[19] = SK_MZ[0]*(P[19][21] + P[19][0]*SH_MAG[1] + P[19][3]*SH_MAG[0] - P[19][1]*SK_MZ[2] + P[19][2]*SK_MZ[3] + P[19][18]*SK_MZ[1] + P[19][16]*SK_MZ[5] - P[19][17]*SK_MZ[4]); + Kfusion[20] = SK_MZ[0]*(P[20][21] + P[20][0]*SH_MAG[1] + P[20][3]*SH_MAG[0] - P[20][1]*SK_MZ[2] + P[20][2]*SK_MZ[3] + P[20][18]*SK_MZ[1] + P[20][16]*SK_MZ[5] - P[20][17]*SK_MZ[4]); + Kfusion[21] = SK_MZ[0]*(P[21][21] + P[21][0]*SH_MAG[1] + P[21][3]*SH_MAG[0] - P[21][1]*SK_MZ[2] + P[21][2]*SK_MZ[3] + P[21][18]*SK_MZ[1] + P[21][16]*SK_MZ[5] - P[21][17]*SK_MZ[4]); + Kfusion[22] = SK_MZ[0]*(P[22][21] + P[22][0]*SH_MAG[1] + P[22][3]*SH_MAG[0] - P[22][1]*SK_MZ[2] + P[22][2]*SK_MZ[3] + P[22][18]*SK_MZ[1] + P[22][16]*SK_MZ[5] - P[22][17]*SK_MZ[4]); + varInnovMag[2] = 1.0f/SK_MZ[0]; + innovMag[2] = MagPred[2] - magData.z; + + } + + // Check the innovation for consistency and don't fuse if > 5Sigma + if ((innovMag[obsIndex]*innovMag[obsIndex]/varInnovMag[obsIndex]) < 25.0) + { + // correct the state vector + for (uint8_t j= 0; j < indexLimit; j++) + { + states[j] = states[j] - Kfusion[j] * innovMag[obsIndex]; + } + // normalise the quaternion states + float quatMag = sqrt(states[0]*states[0] + states[1]*states[1] + states[2]*states[2] + states[3]*states[3]); + if (quatMag > 1e-12) + { + for (uint8_t j= 0; j<=3; j++) + { + float quatMagInv = 1.0f/quatMag; + states[j] = states[j] * quatMagInv; + } + } + // correct the covariance P = (I - K*H)*P + // take advantage of the empty columns in KH to reduce the + // number of operations + for (uint8_t i = 0; i < indexLimit; i++) + { + for (uint8_t j = 0; j <= 3; j++) + { + KH[i][j] = Kfusion[i] * H_MAG[j]; + } + for (uint8_t j = 4; j <= 15; j++) KH[i][j] = 0.0f; + if (!onGround) + { + for (uint8_t j = 16; j <= 21; j++) + { + KH[i][j] = Kfusion[i] * H_MAG[j]; + } + } + else + { + for (uint8_t j = 16; j <= 21; j++) + { + KH[i][j] = 0.0f; + } + } + } + for (uint8_t i = 0; i < indexLimit; i++) + { + for (uint8_t j = 0; j < indexLimit; j++) + { + KHP[i][j] = 0.0f; + for (uint8_t k = 0; k <= 3; k++) + { + KHP[i][j] = KHP[i][j] + KH[i][k] * P[k][j]; + } + if (!onGround) + { + for (uint8_t k = 16; k<=21; k++) + { + KHP[i][j] = KHP[i][j] + KH[i][k] * P[k][j]; + } + } + } + } + } + for (uint8_t i = 0; i < indexLimit; i++) + { + for (uint8_t j = 0; j < indexLimit; j++) + { + P[i][j] = P[i][j] - KHP[i][j]; + } + } + } + obsIndex = obsIndex + 1; + + ForceSymmetry(); + ConstrainVariances(); +} + +void AttPosEKF::FuseAirspeed() +{ + float vn; + float ve; + float vd; + float vwn; + float vwe; + float R_TAS = sq(airspeedMeasurementSigma); + float SH_TAS[3]; + float SK_TAS; + float VtasPred; + + // Copy required states to local variable names + vn = statesAtVtasMeasTime[4]; + ve = statesAtVtasMeasTime[5]; + vd = statesAtVtasMeasTime[6]; + vwn = statesAtVtasMeasTime[14]; + vwe = statesAtVtasMeasTime[15]; + + // Need to check that it is flying before fusing airspeed data + // Calculate the predicted airspeed + VtasPred = sqrtf((ve - vwe)*(ve - vwe) + (vn - vwn)*(vn - vwn) + vd*vd); + // Perform fusion of True Airspeed measurement + if (useAirspeed && fuseVtasData && (VtasPred > 1.0f) && (VtasMeas > 8.0f)) + { + // Calculate observation jacobians + SH_TAS[0] = 1/(sqrt(sq(ve - vwe) + sq(vn - vwn) + sq(vd))); + SH_TAS[1] = (SH_TAS[0]*(2.0f*ve - 2*vwe))/2.0f; + SH_TAS[2] = (SH_TAS[0]*(2.0f*vn - 2*vwn))/2.0f; + + float H_TAS[n_states]; + for (uint8_t i = 0; i < n_states; i++) H_TAS[i] = 0.0f; + H_TAS[4] = SH_TAS[2]; + H_TAS[5] = SH_TAS[1]; + H_TAS[6] = vd*SH_TAS[0]; + H_TAS[14] = -SH_TAS[2]; + H_TAS[15] = -SH_TAS[1]; + + // Calculate Kalman gains + float temp = (R_TAS + SH_TAS[2]*(P[4][4]*SH_TAS[2] + P[5][4]*SH_TAS[1] - P[14][4]*SH_TAS[2] - P[15][4]*SH_TAS[1] + P[6][4]*vd*SH_TAS[0]) + SH_TAS[1]*(P[4][5]*SH_TAS[2] + P[5][5]*SH_TAS[1] - P[14][5]*SH_TAS[2] - P[15][5]*SH_TAS[1] + P[6][5]*vd*SH_TAS[0]) - SH_TAS[2]*(P[4][14]*SH_TAS[2] + P[5][14]*SH_TAS[1] - P[14][14]*SH_TAS[2] - P[15][14]*SH_TAS[1] + P[6][14]*vd*SH_TAS[0]) - SH_TAS[1]*(P[4][15]*SH_TAS[2] + P[5][15]*SH_TAS[1] - P[14][15]*SH_TAS[2] - P[15][15]*SH_TAS[1] + P[6][15]*vd*SH_TAS[0]) + vd*SH_TAS[0]*(P[4][6]*SH_TAS[2] + P[5][6]*SH_TAS[1] - P[14][6]*SH_TAS[2] - P[15][6]*SH_TAS[1] + P[6][6]*vd*SH_TAS[0])); + if (temp >= R_TAS) { + SK_TAS = 1.0f / temp; + } else { + // the calculation is badly conditioned, so we cannot perform fusion on this step + // we increase the wind state variances and try again next time + P[14][14] += 0.05f*R_TAS; + P[15][15] += 0.05f*R_TAS; + return; + } + Kfusion[0] = SK_TAS*(P[0][4]*SH_TAS[2] - P[0][14]*SH_TAS[2] + P[0][5]*SH_TAS[1] - P[0][15]*SH_TAS[1] + P[0][6]*vd*SH_TAS[0]); + Kfusion[1] = SK_TAS*(P[1][4]*SH_TAS[2] - P[1][14]*SH_TAS[2] + P[1][5]*SH_TAS[1] - P[1][15]*SH_TAS[1] + P[1][6]*vd*SH_TAS[0]); + Kfusion[2] = SK_TAS*(P[2][4]*SH_TAS[2] - P[2][14]*SH_TAS[2] + P[2][5]*SH_TAS[1] - P[2][15]*SH_TAS[1] + P[2][6]*vd*SH_TAS[0]); + Kfusion[3] = SK_TAS*(P[3][4]*SH_TAS[2] - P[3][14]*SH_TAS[2] + P[3][5]*SH_TAS[1] - P[3][15]*SH_TAS[1] + P[3][6]*vd*SH_TAS[0]); + Kfusion[4] = SK_TAS*(P[4][4]*SH_TAS[2] - P[4][14]*SH_TAS[2] + P[4][5]*SH_TAS[1] - P[4][15]*SH_TAS[1] + P[4][6]*vd*SH_TAS[0]); + Kfusion[5] = SK_TAS*(P[5][4]*SH_TAS[2] - P[5][14]*SH_TAS[2] + P[5][5]*SH_TAS[1] - P[5][15]*SH_TAS[1] + P[5][6]*vd*SH_TAS[0]); + Kfusion[6] = SK_TAS*(P[6][4]*SH_TAS[2] - P[6][14]*SH_TAS[2] + P[6][5]*SH_TAS[1] - P[6][15]*SH_TAS[1] + P[6][6]*vd*SH_TAS[0]); + Kfusion[7] = SK_TAS*(P[7][4]*SH_TAS[2] - P[7][14]*SH_TAS[2] + P[7][5]*SH_TAS[1] - P[7][15]*SH_TAS[1] + P[7][6]*vd*SH_TAS[0]); + Kfusion[8] = SK_TAS*(P[8][4]*SH_TAS[2] - P[8][14]*SH_TAS[2] + P[8][5]*SH_TAS[1] - P[8][15]*SH_TAS[1] + P[8][6]*vd*SH_TAS[0]); + Kfusion[9] = SK_TAS*(P[9][4]*SH_TAS[2] - P[9][14]*SH_TAS[2] + P[9][5]*SH_TAS[1] - P[9][15]*SH_TAS[1] + P[9][6]*vd*SH_TAS[0]); + Kfusion[10] = SK_TAS*(P[10][4]*SH_TAS[2] - P[10][14]*SH_TAS[2] + P[10][5]*SH_TAS[1] - P[10][15]*SH_TAS[1] + P[10][6]*vd*SH_TAS[0]); + Kfusion[11] = SK_TAS*(P[11][4]*SH_TAS[2] - P[11][14]*SH_TAS[2] + P[11][5]*SH_TAS[1] - P[11][15]*SH_TAS[1] + P[11][6]*vd*SH_TAS[0]); + Kfusion[12] = SK_TAS*(P[12][4]*SH_TAS[2] - P[12][14]*SH_TAS[2] + P[12][5]*SH_TAS[1] - P[12][15]*SH_TAS[1] + P[12][6]*vd*SH_TAS[0]); + // Only height measurements are allowed to modify the Z delta velocity bias state. This improves the stability of the estimate + Kfusion[13] = 0.0f;//SK_TAS*(P[13][4]*SH_TAS[2] - P[13][14]*SH_TAS[2] + P[13][5]*SH_TAS[1] - P[13][15]*SH_TAS[1] + P[13][6]*vd*SH_TAS[0]); + Kfusion[14] = SK_TAS*(P[14][4]*SH_TAS[2] - P[14][14]*SH_TAS[2] + P[14][5]*SH_TAS[1] - P[14][15]*SH_TAS[1] + P[14][6]*vd*SH_TAS[0]); + Kfusion[15] = SK_TAS*(P[15][4]*SH_TAS[2] - P[15][14]*SH_TAS[2] + P[15][5]*SH_TAS[1] - P[15][15]*SH_TAS[1] + P[15][6]*vd*SH_TAS[0]); + Kfusion[16] = SK_TAS*(P[16][4]*SH_TAS[2] - P[16][14]*SH_TAS[2] + P[16][5]*SH_TAS[1] - P[16][15]*SH_TAS[1] + P[16][6]*vd*SH_TAS[0]); + Kfusion[17] = SK_TAS*(P[17][4]*SH_TAS[2] - P[17][14]*SH_TAS[2] + P[17][5]*SH_TAS[1] - P[17][15]*SH_TAS[1] + P[17][6]*vd*SH_TAS[0]); + Kfusion[18] = SK_TAS*(P[18][4]*SH_TAS[2] - P[18][14]*SH_TAS[2] + P[18][5]*SH_TAS[1] - P[18][15]*SH_TAS[1] + P[18][6]*vd*SH_TAS[0]); + Kfusion[19] = SK_TAS*(P[19][4]*SH_TAS[2] - P[19][14]*SH_TAS[2] + P[19][5]*SH_TAS[1] - P[19][15]*SH_TAS[1] + P[19][6]*vd*SH_TAS[0]); + Kfusion[20] = SK_TAS*(P[20][4]*SH_TAS[2] - P[20][14]*SH_TAS[2] + P[20][5]*SH_TAS[1] - P[20][15]*SH_TAS[1] + P[20][6]*vd*SH_TAS[0]); + Kfusion[21] = SK_TAS*(P[21][4]*SH_TAS[2] - P[21][14]*SH_TAS[2] + P[21][5]*SH_TAS[1] - P[21][15]*SH_TAS[1] + P[21][6]*vd*SH_TAS[0]); + Kfusion[22] = SK_TAS*(P[22][4]*SH_TAS[2] - P[22][14]*SH_TAS[2] + P[22][5]*SH_TAS[1] - P[22][15]*SH_TAS[1] + P[22][6]*vd*SH_TAS[0]); + varInnovVtas = 1.0f/SK_TAS; + + // Calculate the measurement innovation + innovVtas = VtasPred - VtasMeas; + // Check the innovation for consistency and don't fuse if > 5Sigma + if ((innovVtas*innovVtas*SK_TAS) < 25.0) + { + // correct the state vector + for (uint8_t j=0; j <= 22; j++) + { + states[j] = states[j] - Kfusion[j] * innovVtas; + } + // normalise the quaternion states + float quatMag = sqrt(states[0]*states[0] + states[1]*states[1] + states[2]*states[2] + states[3]*states[3]); + if (quatMag > 1e-12f) + { + for (uint8_t j= 0; j <= 3; j++) + { + float quatMagInv = 1.0f/quatMag; + states[j] = states[j] * quatMagInv; + } + } + // correct the covariance P = (I - K*H)*P + // take advantage of the empty columns in H to reduce the + // number of operations + for (uint8_t i = 0; i <= 22; i++) + { + for (uint8_t j = 0; j <= 3; j++) KH[i][j] = 0.0; + for (uint8_t j = 4; j <= 6; j++) + { + KH[i][j] = Kfusion[i] * H_TAS[j]; + } + for (uint8_t j = 7; j <= 13; j++) KH[i][j] = 0.0; + for (uint8_t j = 14; j <= 15; j++) + { + KH[i][j] = Kfusion[i] * H_TAS[j]; + } + for (uint8_t j = 16; j <= 22; j++) KH[i][j] = 0.0; + } + for (uint8_t i = 0; i <= 22; i++) + { + for (uint8_t j = 0; j <= 22; j++) + { + KHP[i][j] = 0.0; + for (uint8_t k = 4; k <= 6; k++) + { + KHP[i][j] = KHP[i][j] + KH[i][k] * P[k][j]; + } + for (uint8_t k = 14; k <= 15; k++) + { + KHP[i][j] = KHP[i][j] + KH[i][k] * P[k][j]; + } + } + } + for (uint8_t i = 0; i <= 22; i++) + { + for (uint8_t j = 0; j <= 22; j++) + { + P[i][j] = P[i][j] - KHP[i][j]; + } + } + } + } + + ForceSymmetry(); + ConstrainVariances(); +} + +void AttPosEKF::zeroRows(float (&covMat)[n_states][n_states], uint8_t first, uint8_t last) +{ + uint8_t row; + uint8_t col; + for (row=first; row<=last; row++) + { + for (col=0; col<n_states; col++) + { + covMat[row][col] = 0.0; + } + } +} + +void AttPosEKF::FuseRangeFinder() +{ + + // Local variables + float rngPred; + float SH_RNG[5]; + float H_RNG[23]; + float SK_RNG[6]; + float cosRngTilt; + const float R_RNG = 0.25f; // 0.5 m2 rangefinder measurement variance + + // Copy required states to local variable names + float q0 = statesAtRngTime[0]; + float q1 = statesAtRngTime[1]; + float q2 = statesAtRngTime[2]; + float q3 = statesAtRngTime[3]; + float pd = statesAtRngTime[9]; + float ptd = statesAtRngTime[22]; + + // Need to check that our range finder tilt angle is less than 30 degrees and we are using range finder data + SH_RNG[4] = sin(rngFinderPitch); + cosRngTilt = - Tbn.z.x * SH_RNG[4] + Tbn.z.z * cos(rngFinderPitch); + if (useRangeFinder && cosRngTilt > 0.87f) + { + // Calculate observation jacobian and Kalman gain ignoring all states other than the terrain offset + // This prevents the range finder measurement modifying any of the other filter states and significantly reduces computations + SH_RNG[0] = SH_RNG[4]*(2*q0*q2 - 2*q1*q3) - sq(q0) + sq(q1) + sq(q2) - sq(q3); + SH_RNG[1] = pd - ptd; + SH_RNG[2] = 1/sq(SH_RNG[0]); + SH_RNG[3] = 1/SH_RNG[0]; + for (uint8_t i = 0; i < n_states; i++) { + H_RNG[i] = 0.0f; + Kfusion[i] = 0.0f; + } + H_RNG[22] = -SH_RNG[3]; + SK_RNG[0] = 1/(R_RNG + SH_RNG[3]*(P[9][9]*SH_RNG[3] - P[22][9]*SH_RNG[3] + P[0][9]*SH_RNG[1]*SH_RNG[2]*(2*q0 - 2*q2*SH_RNG[4]) - P[1][9]*SH_RNG[1]*SH_RNG[2]*(2*q1 - 2*q3*SH_RNG[4]) - P[2][9]*SH_RNG[1]*SH_RNG[2]*(2*q2 + 2*q0*SH_RNG[4]) + P[3][9]*SH_RNG[1]*SH_RNG[2]*(2*q3 + 2*q1*SH_RNG[4])) - SH_RNG[3]*(P[9][22]*SH_RNG[3] - P[22][22]*SH_RNG[3] + P[0][22]*SH_RNG[1]*SH_RNG[2]*(2*q0 - 2*q2*SH_RNG[4]) - P[1][22]*SH_RNG[1]*SH_RNG[2]*(2*q1 - 2*q3*SH_RNG[4]) - P[2][22]*SH_RNG[1]*SH_RNG[2]*(2*q2 + 2*q0*SH_RNG[4]) + P[3][22]*SH_RNG[1]*SH_RNG[2]*(2*q3 + 2*q1*SH_RNG[4])) + SH_RNG[1]*SH_RNG[2]*(2*q0 - 2*q2*SH_RNG[4])*(P[9][0]*SH_RNG[3] - P[22][0]*SH_RNG[3] + P[0][0]*SH_RNG[1]*SH_RNG[2]*(2*q0 - 2*q2*SH_RNG[4]) - P[1][0]*SH_RNG[1]*SH_RNG[2]*(2*q1 - 2*q3*SH_RNG[4]) - P[2][0]*SH_RNG[1]*SH_RNG[2]*(2*q2 + 2*q0*SH_RNG[4]) + P[3][0]*SH_RNG[1]*SH_RNG[2]*(2*q3 + 2*q1*SH_RNG[4])) - SH_RNG[1]*SH_RNG[2]*(2*q1 - 2*q3*SH_RNG[4])*(P[9][1]*SH_RNG[3] - P[22][1]*SH_RNG[3] + P[0][1]*SH_RNG[1]*SH_RNG[2]*(2*q0 - 2*q2*SH_RNG[4]) - P[1][1]*SH_RNG[1]*SH_RNG[2]*(2*q1 - 2*q3*SH_RNG[4]) - P[2][1]*SH_RNG[1]*SH_RNG[2]*(2*q2 + 2*q0*SH_RNG[4]) + P[3][1]*SH_RNG[1]*SH_RNG[2]*(2*q3 + 2*q1*SH_RNG[4])) - SH_RNG[1]*SH_RNG[2]*(2*q2 + 2*q0*SH_RNG[4])*(P[9][2]*SH_RNG[3] - P[22][2]*SH_RNG[3] + P[0][2]*SH_RNG[1]*SH_RNG[2]*(2*q0 - 2*q2*SH_RNG[4]) - P[1][2]*SH_RNG[1]*SH_RNG[2]*(2*q1 - 2*q3*SH_RNG[4]) - P[2][2]*SH_RNG[1]*SH_RNG[2]*(2*q2 + 2*q0*SH_RNG[4]) + P[3][2]*SH_RNG[1]*SH_RNG[2]*(2*q3 + 2*q1*SH_RNG[4])) + SH_RNG[1]*SH_RNG[2]*(2*q3 + 2*q1*SH_RNG[4])*(P[9][3]*SH_RNG[3] - P[22][3]*SH_RNG[3] + P[0][3]*SH_RNG[1]*SH_RNG[2]*(2*q0 - 2*q2*SH_RNG[4]) - P[1][3]*SH_RNG[1]*SH_RNG[2]*(2*q1 - 2*q3*SH_RNG[4]) - P[2][3]*SH_RNG[1]*SH_RNG[2]*(2*q2 + 2*q0*SH_RNG[4]) + P[3][3]*SH_RNG[1]*SH_RNG[2]*(2*q3 + 2*q1*SH_RNG[4]))); + SK_RNG[1] = 2*q1 - 2*q3*SH_RNG[4]; + SK_RNG[2] = 2*q0 - 2*q2*SH_RNG[4]; + SK_RNG[3] = 2*q3 + 2*q1*SH_RNG[4]; + SK_RNG[4] = 2*q2 + 2*q0*SH_RNG[4]; + SK_RNG[5] = SH_RNG[2]; + Kfusion[22] = SK_RNG[0]*(P[22][9]*SH_RNG[3] - P[22][22]*SH_RNG[3] + P[22][0]*SH_RNG[1]*SK_RNG[2]*SK_RNG[5] - P[22][1]*SH_RNG[1]*SK_RNG[1]*SK_RNG[5] - P[22][2]*SH_RNG[1]*SK_RNG[4]*SK_RNG[5] + P[22][3]*SH_RNG[1]*SK_RNG[3]*SK_RNG[5]); + + // Calculate the measurement innovation + rngPred = (ptd - pd)/cosRngTilt; + innovRng = rngPred - rngMea; + //printf("mea=%5.1f, pred=%5.1f, pd=%5.1f, ptd=%5.2f\n", rngMea, rngPred, pd, ptd); + + // Check the innovation for consistency and don't fuse if > 5Sigma + if ((innovRng*innovRng*SK_RNG[0]) < 25) + { + // correct the state vector + states[22] = states[22] - Kfusion[22] * innovRng; + + // correct the covariance P = (I - K*H)*P + P[22][22] = P[22][22] - Kfusion[22] * H_RNG[22] * P[22][22]; + P[22][22] = ConstrainFloat(P[22][22], 0.0f, 10000.0f); + } + } + +} + +void AttPosEKF::zeroCols(float (&covMat)[n_states][n_states], uint8_t first, uint8_t last) +{ + uint8_t row; + uint8_t col; + for (col=first; col<=last; col++) + { + for (row=0; row < n_states; row++) + { + covMat[row][col] = 0.0; + } + } +} + +float AttPosEKF::sq(float valIn) +{ + return valIn*valIn; +} + +// Store states in a history array along with time stamp +void AttPosEKF::StoreStates(uint64_t timestamp_ms) +{ + for (unsigned i=0; i<n_states; i++) + storedStates[i][storeIndex] = states[i]; + statetimeStamp[storeIndex] = timestamp_ms; + storeIndex++; + if (storeIndex == data_buffer_size) + storeIndex = 0; +} + +void AttPosEKF::ResetStoredStates() +{ + // reset all stored states + memset(&storedStates[0][0], 0, sizeof(storedStates)); + memset(&statetimeStamp[0], 0, sizeof(statetimeStamp)); + + // reset store index to first + storeIndex = 0; + + // overwrite all existing states + for (unsigned i = 0; i < n_states; i++) { + storedStates[i][storeIndex] = states[i]; + } + + statetimeStamp[storeIndex] = millis(); + + // increment to next storage index + storeIndex++; +} + +// Output the state vector stored at the time that best matches that specified by msec +int AttPosEKF::RecallStates(float* statesForFusion, uint64_t msec) +{ + int ret = 0; + + int64_t bestTimeDelta = 200; + unsigned bestStoreIndex = 0; + for (unsigned storeIndex = 0; storeIndex < data_buffer_size; storeIndex++) + { + // Work around a GCC compiler bug - we know 64bit support on ARM is + // sketchy in GCC. + uint64_t timeDelta; + + if (msec > statetimeStamp[storeIndex]) { + timeDelta = msec - statetimeStamp[storeIndex]; + } else { + timeDelta = statetimeStamp[storeIndex] - msec; + } + + if (timeDelta < bestTimeDelta) + { + bestStoreIndex = storeIndex; + bestTimeDelta = timeDelta; + } + } + if (bestTimeDelta < 200) // only output stored state if < 200 msec retrieval error + { + for (unsigned i=0; i < n_states; i++) { + if (isfinite(storedStates[i][bestStoreIndex])) { + statesForFusion[i] = storedStates[i][bestStoreIndex]; + } else if (isfinite(states[i])) { + statesForFusion[i] = states[i]; + } else { + // There is not much we can do here, except reporting the error we just + // found. + ret++; + } + } + } + else // otherwise output current state + { + for (unsigned i = 0; i < n_states; i++) { + if (isfinite(states[i])) { + statesForFusion[i] = states[i]; + } else { + ret++; + } + } + } + + return ret; +} + +void AttPosEKF::quat2Tnb(Mat3f &Tnb, const float (&quat)[4]) +{ + // Calculate the nav to body cosine matrix + float q00 = sq(quat[0]); + float q11 = sq(quat[1]); + float q22 = sq(quat[2]); + float q33 = sq(quat[3]); + float q01 = quat[0]*quat[1]; + float q02 = quat[0]*quat[2]; + float q03 = quat[0]*quat[3]; + float q12 = quat[1]*quat[2]; + float q13 = quat[1]*quat[3]; + float q23 = quat[2]*quat[3]; + + Tnb.x.x = q00 + q11 - q22 - q33; + Tnb.y.y = q00 - q11 + q22 - q33; + Tnb.z.z = q00 - q11 - q22 + q33; + Tnb.y.x = 2*(q12 - q03); + Tnb.z.x = 2*(q13 + q02); + Tnb.x.y = 2*(q12 + q03); + Tnb.z.y = 2*(q23 - q01); + Tnb.x.z = 2*(q13 - q02); + Tnb.y.z = 2*(q23 + q01); +} + +void AttPosEKF::quat2Tbn(Mat3f &Tbn, const float (&quat)[4]) +{ + // Calculate the body to nav cosine matrix + float q00 = sq(quat[0]); + float q11 = sq(quat[1]); + float q22 = sq(quat[2]); + float q33 = sq(quat[3]); + float q01 = quat[0]*quat[1]; + float q02 = quat[0]*quat[2]; + float q03 = quat[0]*quat[3]; + float q12 = quat[1]*quat[2]; + float q13 = quat[1]*quat[3]; + float q23 = quat[2]*quat[3]; + + Tbn.x.x = q00 + q11 - q22 - q33; + Tbn.y.y = q00 - q11 + q22 - q33; + Tbn.z.z = q00 - q11 - q22 + q33; + Tbn.x.y = 2*(q12 - q03); + Tbn.x.z = 2*(q13 + q02); + Tbn.y.x = 2*(q12 + q03); + Tbn.y.z = 2*(q23 - q01); + Tbn.z.x = 2*(q13 - q02); + Tbn.z.y = 2*(q23 + q01); +} + +void AttPosEKF::eul2quat(float (&quat)[4], const float (&eul)[3]) +{ + float u1 = cos(0.5f*eul[0]); + float u2 = cos(0.5f*eul[1]); + float u3 = cos(0.5f*eul[2]); + float u4 = sin(0.5f*eul[0]); + float u5 = sin(0.5f*eul[1]); + float u6 = sin(0.5f*eul[2]); + quat[0] = u1*u2*u3+u4*u5*u6; + quat[1] = u4*u2*u3-u1*u5*u6; + quat[2] = u1*u5*u3+u4*u2*u6; + quat[3] = u1*u2*u6-u4*u5*u3; +} + +void AttPosEKF::quat2eul(float (&y)[3], const float (&u)[4]) +{ + y[0] = atan2f((2.0f*(u[2]*u[3]+u[0]*u[1])) , (u[0]*u[0]-u[1]*u[1]-u[2]*u[2]+u[3]*u[3])); + y[1] = -asinf(2.0f*(u[1]*u[3]-u[0]*u[2])); + y[2] = atan2f((2.0f*(u[1]*u[2]+u[0]*u[3])) , (u[0]*u[0]+u[1]*u[1]-u[2]*u[2]-u[3]*u[3])); +} + +void AttPosEKF::calcvelNED(float (&velNED)[3], float gpsCourse, float gpsGndSpd, float gpsVelD) +{ + velNED[0] = gpsGndSpd*cosf(gpsCourse); + velNED[1] = gpsGndSpd*sinf(gpsCourse); + velNED[2] = gpsVelD; +} + +void AttPosEKF::calcposNED(float (&posNED)[3], double lat, double lon, float hgt, double latRef, double lonRef, float hgtRef) +{ + posNED[0] = earthRadius * (lat - latRef); + posNED[1] = earthRadius * cos(latRef) * (lon - lonRef); + posNED[2] = -(hgt - hgtRef); +} + +void AttPosEKF::calcLLH(float (&posNED)[3], float lat, float lon, float hgt, float latRef, float lonRef, float hgtRef) +{ + lat = latRef + posNED[0] * earthRadiusInv; + lon = lonRef + posNED[1] * earthRadiusInv / cos(latRef); + hgt = hgtRef - posNED[2]; +} + +void AttPosEKF::OnGroundCheck() +{ + onGround = (((sq(velNED[0]) + sq(velNED[1]) + sq(velNED[2])) < 4.0f) && (VtasMeas < 6.0f)); + if (staticMode) { + staticMode = (!refSet || (GPSstatus < GPS_FIX_3D)); + } +} + +void AttPosEKF::calcEarthRateNED(Vector3f &omega, float latitude) +{ + //Define Earth rotation vector in the NED navigation frame + omega.x = earthRate*cosf(latitude); + omega.y = 0.0f; + omega.z = -earthRate*sinf(latitude); +} + +void AttPosEKF::CovarianceInit() +{ + // Calculate the initial covariance matrix P + P[0][0] = 0.25f * sq(1.0f*deg2rad); + P[1][1] = 0.25f * sq(1.0f*deg2rad); + P[2][2] = 0.25f * sq(1.0f*deg2rad); + P[3][3] = 0.25f * sq(10.0f*deg2rad); + P[4][4] = sq(0.7f); + P[5][5] = P[4][4]; + P[6][6] = sq(0.7f); + P[7][7] = sq(15.0f); + P[8][8] = P[7][7]; + P[9][9] = sq(5.0f); + P[10][10] = sq(0.1f*deg2rad*dtIMU); + P[11][11] = P[10][10]; + P[12][12] = P[10][10]; + P[13][13] = sq(0.2f*dtIMU); + P[14][14] = sq(8.0f); + P[15][14] = P[14][14]; + P[16][16] = sq(0.02f); + P[17][17] = P[16][16]; + P[18][18] = P[16][16]; + P[19][19] = sq(0.02f); + P[20][20] = P[19][19]; + P[21][21] = P[19][19]; + P[22][22] = sq(0.5f); +} + +float AttPosEKF::ConstrainFloat(float val, float min, float max) +{ + float ret; + if (val > max) { + ret = max; + ekf_debug("> max: %8.4f, val: %8.4f", max, val); + } else if (val < min) { + ret = min; + ekf_debug("< min: %8.4f, val: %8.4f", min, val); + } else { + ret = val; + } + + if (!isfinite(val)) { + ekf_debug("constrain: non-finite!"); + } + + return ret; +} + +void AttPosEKF::ConstrainVariances() +{ + if (!numericalProtection) { + return; + } + + // State vector: + // 0-3: quaternions (q0, q1, q2, q3) + // 4-6: Velocity - m/sec (North, East, Down) + // 7-9: Position - m (North, East, Down) + // 10-12: Delta Angle bias - rad (X,Y,Z) + // 13: Delta Velocity bias - m/s (Z) + // 14-15: Wind Vector - m/sec (North,East) + // 16-18: Earth Magnetic Field Vector - gauss (North, East, Down) + // 19-21: Body Magnetic Field Vector - gauss (X,Y,Z) + // 22: Terrain offset - m + + // Constrain quaternion variances + for (unsigned i = 0; i <= 3; i++) { + P[i][i] = ConstrainFloat(P[i][i], 0.0f, 1.0f); + } + + // Constrain velocity variances + for (unsigned i = 4; i <= 6; i++) { + P[i][i] = ConstrainFloat(P[i][i], 0.0f, 1.0e3f); + } + + // Constrain position variances + for (unsigned i = 7; i <= 9; i++) { + P[i][i] = ConstrainFloat(P[i][i], 0.0f, 1.0e6f); + } + + // Constrain delta angle bias variances + for (unsigned i = 10; i <= 12; i++) { + P[i][i] = ConstrainFloat(P[i][i], 0.0f, sq(0.12f * dtIMU)); + } + + // Constrain delta velocity bias variance + P[13][13] = ConstrainFloat(P[13][13], 0.0f, sq(1.0f * dtIMU)); + + // Wind velocity variances + for (unsigned i = 14; i <= 15; i++) { + P[i][i] = ConstrainFloat(P[i][i], 0.0f, 1.0e3f); + } + + // Earth magnetic field variances + for (unsigned i = 16; i <= 18; i++) { + P[i][i] = ConstrainFloat(P[i][i], 0.0f, 1.0f); + } + + // Body magnetic field variances + for (unsigned i = 19; i <= 21; i++) { + P[i][i] = ConstrainFloat(P[i][i], 0.0f, 1.0f); + } + + // Constrain terrain offset variance + P[22][22] = ConstrainFloat(P[22][22], 0.0f, 10000.0f); +} + +void AttPosEKF::ConstrainStates() +{ + if (!numericalProtection) { + return; + } + + // State vector: + // 0-3: quaternions (q0, q1, q2, q3) + // 4-6: Velocity - m/sec (North, East, Down) + // 7-9: Position - m (North, East, Down) + // 10-12: Delta Angle bias - rad (X,Y,Z) + // 13: Delta Velocity bias - m/s (Z) + // 14-15: Wind Vector - m/sec (North,East) + // 16-18: Earth Magnetic Field Vector - gauss (North, East, Down) + // 19-21: Body Magnetic Field Vector - gauss (X,Y,Z) + // 22: Terrain offset - m + + // Constrain quaternion + for (unsigned i = 0; i <= 3; i++) { + states[i] = ConstrainFloat(states[i], -1.0f, 1.0f); + } + + // Constrain velocities to what GPS can do for us + for (unsigned i = 4; i <= 6; i++) { + states[i] = ConstrainFloat(states[i], -5.0e2f, 5.0e2f); + } + + // Constrain position to a reasonable vehicle range (in meters) + for (unsigned i = 7; i <= 8; i++) { + states[i] = ConstrainFloat(states[i], -1.0e6f, 1.0e6f); + } + + // Constrain altitude + states[9] = ConstrainFloat(states[9], -4.0e4f, 1.0e4f); + + // Angle bias limit - set to 8 degrees / sec + for (unsigned i = 10; i <= 12; i++) { + states[i] = ConstrainFloat(states[i], -0.12f * dtIMU, 0.12f * dtIMU); + } + + // Constrain delta velocity bias + states[13] = ConstrainFloat(states[13], -1.0f * dtIMU, 1.0f * dtIMU); + + // Wind velocity limits - assume 120 m/s max velocity + for (unsigned i = 14; i <= 15; i++) { + states[i] = ConstrainFloat(states[i], -120.0f, 120.0f); + } + + // Earth magnetic field limits (in Gauss) + for (unsigned i = 16; i <= 18; i++) { + states[i] = ConstrainFloat(states[i], -1.0f, 1.0f); + } + + // Body magnetic field variances (in Gauss). + // the max offset should be in this range. + for (unsigned i = 19; i <= 21; i++) { + states[i] = ConstrainFloat(states[i], -0.5f, 0.5f); + } + + // Constrain terrain offset + states[22] = ConstrainFloat(states[22], -1000.0f, 1000.0f); + +} + +void AttPosEKF::ForceSymmetry() +{ + if (!numericalProtection) { + return; + } + + // Force symmetry on the covariance matrix to prevent ill-conditioning + // of the matrix which would cause the filter to blow-up + for (unsigned i = 1; i < n_states; i++) + { + for (uint8_t j = 0; j < i; j++) + { + P[i][j] = 0.5f * (P[i][j] + P[j][i]); + P[j][i] = P[i][j]; + } + } +} + +bool AttPosEKF::FilterHealthy() +{ + if (!statesInitialised) { + return false; + } + + // XXX Check state vector for NaNs and ill-conditioning + + // Check if any of the major inputs timed out + if (current_ekf_state.posTimeout || current_ekf_state.velTimeout || current_ekf_state.hgtTimeout) { + return false; + } + + // Nothing fired, return ok. + return true; +} + +/** + * Reset the filter position states + * + * This resets the position to the last GPS measurement + * or to zero in case of static position. + */ +void AttPosEKF::ResetPosition(void) +{ + if (staticMode) { + states[7] = 0; + states[8] = 0; + } else if (GPSstatus >= GPS_FIX_3D) { + + // reset the states from the GPS measurements + states[7] = posNE[0]; + states[8] = posNE[1]; + } +} + +/** + * Reset the height state. + * + * This resets the height state with the last altitude measurements + */ +void AttPosEKF::ResetHeight(void) +{ + // write to the state vector + states[9] = -hgtMea; +} + +/** + * Reset the velocity state. + */ +void AttPosEKF::ResetVelocity(void) +{ + if (staticMode) { + states[4] = 0.0f; + states[5] = 0.0f; + states[6] = 0.0f; + } else if (GPSstatus >= GPS_FIX_3D) { + + states[4] = velNED[0]; // north velocity from last reading + states[5] = velNED[1]; // east velocity from last reading + states[6] = velNED[2]; // down velocity from last reading + } +} + + +void AttPosEKF::FillErrorReport(struct ekf_status_report *err) +{ + for (unsigned i = 0; i < n_states; i++) + { + err->states[i] = states[i]; + } + + err->velHealth = current_ekf_state.velHealth; + err->posHealth = current_ekf_state.posHealth; + err->hgtHealth = current_ekf_state.hgtHealth; + err->velTimeout = current_ekf_state.velTimeout; + err->posTimeout = current_ekf_state.posTimeout; + err->hgtTimeout = current_ekf_state.hgtTimeout; +} + +bool AttPosEKF::StatesNaN(struct ekf_status_report *err_report) { + bool err = false; + + // check all integrators + if (!isfinite(summedDelAng.x) || !isfinite(summedDelAng.y) || !isfinite(summedDelAng.z)) { + err_report->statesNaN = true; + ekf_debug("summedDelAng NaN: x: %f y: %f z: %f", (double)summedDelAng.x, (double)summedDelAng.y, (double)summedDelAng.z); + err = true; + goto out; + } // delta angles + + if (!isfinite(correctedDelAng.x) || !isfinite(correctedDelAng.y) || !isfinite(correctedDelAng.z)) { + err_report->statesNaN = true; + ekf_debug("correctedDelAng NaN: x: %f y: %f z: %f", (double)correctedDelAng.x, (double)correctedDelAng.y, (double)correctedDelAng.z); + err = true; + goto out; + } // delta angles + + if (!isfinite(summedDelVel.x) || !isfinite(summedDelVel.y) || !isfinite(summedDelVel.z)) { + err_report->statesNaN = true; + ekf_debug("summedDelVel NaN: x: %f y: %f z: %f", (double)summedDelVel.x, (double)summedDelVel.y, (double)summedDelVel.z); + err = true; + goto out; + } // delta velocities + + // check all states and covariance matrices + for (unsigned i = 0; i < n_states; i++) { + for (unsigned j = 0; j < n_states; j++) { + if (!isfinite(KH[i][j])) { + + err_report->covarianceNaN = true; + err = true; + ekf_debug("KH NaN"); + goto out; + } // intermediate result used for covariance updates + + if (!isfinite(KHP[i][j])) { + + err_report->covarianceNaN = true; + err = true; + ekf_debug("KHP NaN"); + goto out; + } // intermediate result used for covariance updates + + if (!isfinite(P[i][j])) { + + err_report->covarianceNaN = true; + err = true; + ekf_debug("P NaN"); + } // covariance matrix + } + + if (!isfinite(Kfusion[i])) { + + err_report->kalmanGainsNaN = true; + ekf_debug("Kfusion NaN"); + err = true; + goto out; + } // Kalman gains + + if (!isfinite(states[i])) { + + err_report->statesNaN = true; + ekf_debug("states NaN: i: %u val: %f", i, (double)states[i]); + err = true; + goto out; + } // state matrix + } + +out: + if (err) { + FillErrorReport(err_report); + } + + return err; + +} + +/** + * Check the filter inputs and bound its operational state + * + * This check will reset the filter states if required + * due to a failure of consistency or timeout checks. + * it should be run after the measurement data has been + * updated, but before any of the fusion steps are + * executed. + */ +int AttPosEKF::CheckAndBound() +{ + + // Store the old filter state + bool currStaticMode = staticMode; + + // Reset the filter if the states went NaN + if (StatesNaN(&last_ekf_error)) { + ekf_debug("re-initializing dynamic"); + + InitializeDynamic(velNED, magDeclination); + + return 1; + } + + // Reset the filter if the IMU data is too old + if (dtIMU > 0.3f) { + + ResetVelocity(); + ResetPosition(); + ResetHeight(); + ResetStoredStates(); + + // that's all we can do here, return + return 2; + } + + // Check if we're on ground - this also sets static mode. + OnGroundCheck(); + + // Check if we switched between states + if (currStaticMode != staticMode) { + ResetVelocity(); + ResetPosition(); + ResetHeight(); + ResetStoredStates(); + + return 3; + } + + return 0; +} + +void AttPosEKF::AttitudeInit(float ax, float ay, float az, float mx, float my, float mz, float declination, float *initQuat) +{ + float initialRoll, initialPitch; + float cosRoll, sinRoll, cosPitch, sinPitch; + float magX, magY; + float initialHdg, cosHeading, sinHeading; + + initialRoll = atan2f(-ay, -az); + initialPitch = atan2f(ax, -az); + + cosRoll = cosf(initialRoll); + sinRoll = sinf(initialRoll); + cosPitch = cosf(initialPitch); + sinPitch = sinf(initialPitch); + + magX = mx * cosPitch + my * sinRoll * sinPitch + mz * cosRoll * sinPitch; + + magY = my * cosRoll - mz * sinRoll; + + initialHdg = atan2f(-magY, magX); + /* true heading is the mag heading minus declination */ + initialHdg += declination; + + cosRoll = cosf(initialRoll * 0.5f); + sinRoll = sinf(initialRoll * 0.5f); + + cosPitch = cosf(initialPitch * 0.5f); + sinPitch = sinf(initialPitch * 0.5f); + + cosHeading = cosf(initialHdg * 0.5f); + sinHeading = sinf(initialHdg * 0.5f); + + initQuat[0] = cosRoll * cosPitch * cosHeading + sinRoll * sinPitch * sinHeading; + initQuat[1] = sinRoll * cosPitch * cosHeading - cosRoll * sinPitch * sinHeading; + initQuat[2] = cosRoll * sinPitch * cosHeading + sinRoll * cosPitch * sinHeading; + initQuat[3] = cosRoll * cosPitch * sinHeading - sinRoll * sinPitch * cosHeading; + + /* normalize */ + float norm = sqrtf(initQuat[0]*initQuat[0] + initQuat[1]*initQuat[1] + initQuat[2]*initQuat[2] + initQuat[3]*initQuat[3]); + + initQuat[0] /= norm; + initQuat[1] /= norm; + initQuat[2] /= norm; + initQuat[3] /= norm; +} + +void AttPosEKF::InitializeDynamic(float (&initvelNED)[3], float declination) +{ + + // Fill variables with valid data + velNED[0] = initvelNED[0]; + velNED[1] = initvelNED[1]; + velNED[2] = initvelNED[2]; + magDeclination = declination; + + // Calculate initial filter quaternion states from raw measurements + float initQuat[4]; + Vector3f initMagXYZ; + initMagXYZ = magData - magBias; + AttitudeInit(accel.x, accel.y, accel.z, initMagXYZ.x, initMagXYZ.y, initMagXYZ.z, declination, initQuat); + + // Calculate initial Tbn matrix and rotate Mag measurements into NED + // to set initial NED magnetic field states + Mat3f DCM; + quat2Tbn(DCM, initQuat); + Vector3f initMagNED; + initMagNED.x = DCM.x.x*initMagXYZ.x + DCM.x.y*initMagXYZ.y + DCM.x.z*initMagXYZ.z; + initMagNED.y = DCM.y.x*initMagXYZ.x + DCM.y.y*initMagXYZ.y + DCM.y.z*initMagXYZ.z; + initMagNED.z = DCM.z.x*initMagXYZ.x + DCM.z.y*initMagXYZ.y + DCM.z.z*initMagXYZ.z; + + magstate.q0 = initQuat[0]; + magstate.q1 = initQuat[1]; + magstate.q2 = initQuat[2]; + magstate.q3 = initQuat[3]; + magstate.magN = initMagNED.x; + magstate.magE = initMagNED.y; + magstate.magD = initMagNED.z; + magstate.magXbias = magBias.x; + magstate.magYbias = magBias.y; + magstate.magZbias = magBias.z; + magstate.R_MAG = sq(magMeasurementSigma); + magstate.DCM = DCM; + + // write to state vector + for (uint8_t j=0; j<=3; j++) states[j] = initQuat[j]; // quaternions + for (uint8_t j=4; j<=6; j++) states[j] = initvelNED[j-4]; // velocities + for (uint8_t j=7; j<=15; j++) states[j] = 0.0f; // positions, dAngBias, dVelBias, windVel + states[16] = initMagNED.x; // Magnetic Field North + states[17] = initMagNED.y; // Magnetic Field East + states[18] = initMagNED.z; // Magnetic Field Down + states[19] = magBias.x; // Magnetic Field Bias X + states[20] = magBias.y; // Magnetic Field Bias Y + states[21] = magBias.z; // Magnetic Field Bias Z + states[22] = 0.0f; // terrain height + + ResetVelocity(); + ResetPosition(); + ResetHeight(); + + statesInitialised = true; + + // initialise the covariance matrix + CovarianceInit(); + + //Define Earth rotation vector in the NED navigation frame + calcEarthRateNED(earthRateNED, latRef); + +} + +void AttPosEKF::InitialiseFilter(float (&initvelNED)[3], double referenceLat, double referenceLon, float referenceHgt, float declination) +{ + // store initial lat,long and height + latRef = referenceLat; + lonRef = referenceLon; + hgtRef = referenceHgt; + refSet = true; + + // we are at reference altitude, so measurement must be zero + hgtMea = 0.0f; + + // the baro offset must be this difference now + baroHgtOffset = baroHgt - referenceHgt; + + memset(&last_ekf_error, 0, sizeof(last_ekf_error)); + + InitializeDynamic(initvelNED, declination); +} + +void AttPosEKF::ZeroVariables() +{ + + // Initialize on-init initialized variables + fusionModeGPS = 0; + covSkipCount = 0; + statesInitialised = false; + fuseVelData = false; + fusePosData = false; + fuseHgtData = false; + fuseMagData = false; + fuseVtasData = false; + onGround = true; + staticMode = true; + useAirspeed = true; + useCompass = true; + useRangeFinder = true; + numericalProtection = true; + refSet = false; + storeIndex = 0; + gpsHgt = 0.0f; + baroHgt = 0.0f; + GPSstatus = 0; + VtasMeas = 0.0f; + magDeclination = 0.0f; + + // Do the data structure init + for (unsigned i = 0; i < n_states; i++) { + for (unsigned j = 0; j < n_states; j++) { + KH[i][j] = 0.0f; // intermediate result used for covariance updates + KHP[i][j] = 0.0f; // intermediate result used for covariance updates + P[i][j] = 0.0f; // covariance matrix + } + + Kfusion[i] = 0.0f; // Kalman gains + states[i] = 0.0f; // state matrix + } + + correctedDelAng.zero(); + summedDelAng.zero(); + summedDelVel.zero(); + + dAngIMU.zero(); + dVelIMU.zero(); + + for (unsigned i = 0; i < data_buffer_size; i++) { + + for (unsigned j = 0; j < n_states; j++) { + storedStates[j][i] = 0.0f; + } + + statetimeStamp[i] = 0; + } + + memset(&magstate, 0, sizeof(magstate)); + magstate.q0 = 1.0f; + magstate.DCM.identity(); + + memset(¤t_ekf_state, 0, sizeof(current_ekf_state)); + +} + +void AttPosEKF::GetFilterState(struct ekf_status_report *state) +{ + memcpy(state, ¤t_ekf_state, sizeof(*state)); +} + +void AttPosEKF::GetLastErrorState(struct ekf_status_report *last_error) +{ + memcpy(last_error, &last_ekf_error, sizeof(*last_error)); +} diff --git a/src/modules/fw_att_pos_estimator/estimator.h b/src/modules/ekf_att_pos_estimator/estimator.h index e62f1a98a..e821089f2 100644 --- a/src/modules/fw_att_pos_estimator/estimator.h +++ b/src/modules/ekf_att_pos_estimator/estimator.h @@ -20,7 +20,7 @@ public: float z; float length(void) const; - Vector3f zero(void) const; + void zero(void); }; class Mat3f @@ -33,6 +33,7 @@ public: Mat3f(); + void identity(); Mat3f transpose(void) const; }; @@ -45,14 +46,9 @@ Vector3f operator*(Vector3f vecIn1, float sclIn1); void swap_var(float &d1, float &d2); -const unsigned int n_states = 21; +const unsigned int n_states = 23; const unsigned int data_buffer_size = 50; -const float covTimeStepMax = 0.07f; // maximum time allowed between covariance predictions -const float covDelAngMax = 0.02f; // maximum delta angle between covariance predictions - -// extern bool staticMode; - enum GPS_FIX { GPS_FIX_NOFIX = 0, GPS_FIX_2D = 2, @@ -82,6 +78,88 @@ public: AttPosEKF(); ~AttPosEKF(); + + + /* ############################################## + * + * M A I N F I L T E R P A R A M E T E R S + * + * ########################################### */ + + /* + * parameters are defined here and initialised in + * the InitialiseParameters() (which is just 20 lines down) + */ + + float covTimeStepMax; // maximum time allowed between covariance predictions + float covDelAngMax; // maximum delta angle between covariance predictions + float rngFinderPitch; // pitch angle of laser range finder in radians. Zero is aligned with the Z body axis. Positive is RH rotation about Y body axis. + + float yawVarScale; + float windVelSigma; + float dAngBiasSigma; + float dVelBiasSigma; + float magEarthSigma; + float magBodySigma; + float gndHgtSigma; + + float vneSigma; + float vdSigma; + float posNeSigma; + float posDSigma; + float magMeasurementSigma; + float airspeedMeasurementSigma; + + float gyroProcessNoise; + float accelProcessNoise; + + float EAS2TAS; // ratio f true to equivalent airspeed + + void InitialiseParameters() + { + covTimeStepMax = 0.07f; // maximum time allowed between covariance predictions + covDelAngMax = 0.02f; // maximum delta angle between covariance predictions + rngFinderPitch = 0.0f; // pitch angle of laser range finder in radians. Zero is aligned with the Z body axis. Positive is RH rotation about Y body axis. + EAS2TAS = 1.0f; + + yawVarScale = 1.0f; + windVelSigma = 0.1f; + dAngBiasSigma = 5.0e-7f; + dVelBiasSigma = 1e-4f; + magEarthSigma = 3.0e-4f; + magBodySigma = 3.0e-4f; + gndHgtSigma = 0.02f; // assume 2% terrain gradient 1-sigma + + vneSigma = 0.2f; + vdSigma = 0.3f; + posNeSigma = 2.0f; + posDSigma = 2.0f; + + magMeasurementSigma = 0.05; + airspeedMeasurementSigma = 1.4f; + gyroProcessNoise = 1.4544411e-2f; + accelProcessNoise = 0.5f; + } + + struct { + unsigned obsIndex; + float MagPred[3]; + float SH_MAG[9]; + float q0; + float q1; + float q2; + float q3; + float magN; + float magE; + float magD; + float magXbias; + float magYbias; + float magZbias; + float R_MAG; + Mat3f DCM; + } magstate; + + // Global variables float KH[n_states][n_states]; // intermediate result used for covariance updates float KHP[n_states][n_states]; // intermediate result used for covariance updates @@ -96,6 +174,7 @@ public: float statesAtHgtTime[n_states]; // States at the effective measurement time for the hgtMea measurement float statesAtMagMeasTime[n_states]; // filter satates at the effective measurement time float statesAtVtasMeasTime[n_states]; // filter states at the effective measurement time + float statesAtRngTime[n_states]; // filter states at the effective measurement time Vector3f correctedDelAng; // delta angles about the xyz body axes corrected for errors (rad) Vector3f correctedDelVel; // delta velocities along the XYZ body axes corrected for errors (m/s) @@ -104,6 +183,10 @@ public: float accNavMag; // magnitude of navigation accel (- used to adjust GPS obs variance (m/s^2) Vector3f earthRateNED; // earths angular rate vector in NED (rad/s) Vector3f angRate; // angular rate vector in XYZ body axes measured by the IMU (rad/s) + + Mat3f Tbn; // transformation matrix from body to NED coordinates + Mat3f Tnb; // transformation amtrix from NED to body coordinates + Vector3f accel; // acceleration vector in XYZ body axes measured by the IMU (m/s^2) Vector3f dVelIMU; Vector3f dAngIMU; @@ -115,26 +198,30 @@ public: float velNED[3]; // North, East, Down velocity obs (m/s) float posNE[2]; // North, East position obs (m) float hgtMea; // measured height (m) + float baroHgtOffset; ///< the baro (weather) offset from normalized altitude + float rngMea; // Ground distance float posNED[3]; // North, East Down position (m) float innovMag[3]; // innovation output float varInnovMag[3]; // innovation variance output Vector3f magData; // magnetometer flux radings in X,Y,Z body axes float innovVtas; // innovation output + float innovRng; ///< Range finder innovation float varInnovVtas; // innovation variance output float VtasMeas; // true airspeed measurement (m/s) - float latRef; // WGS-84 latitude of reference point (rad) - float lonRef; // WGS-84 longitude of reference point (rad) + float magDeclination; ///< magnetic declination + double latRef; // WGS-84 latitude of reference point (rad) + double lonRef; // WGS-84 longitude of reference point (rad) float hgtRef; // WGS-84 height of reference point (m) + bool refSet; ///< flag to indicate if the reference position has been set Vector3f magBias; // states representing magnetometer bias vector in XYZ body axes - uint8_t covSkipCount; // Number of state prediction frames (IMU daya updates to skip before doing the covariance prediction - float EAS2TAS; // ratio f true to equivalent airspeed + unsigned covSkipCount; // Number of state prediction frames (IMU daya updates to skip before doing the covariance prediction // GPS input data variables float gpsCourse; float gpsVelD; - float gpsLat; - float gpsLon; + double gpsLat; + double gpsLon; float gpsHgt; uint8_t GPSstatus; @@ -148,11 +235,13 @@ public: bool fuseHgtData; // this boolean causes the hgtMea obs to be fused bool fuseMagData; // boolean true when magnetometer data is to be fused bool fuseVtasData; // boolean true when airspeed data is to be fused + bool fuseRngData; ///< true when range data is fused bool onGround; ///< boolean true when the flight vehicle is on the ground (not flying) bool staticMode; ///< boolean true if no position feedback is fused bool useAirspeed; ///< boolean true if airspeed data is being used bool useCompass; ///< boolean true if magnetometer data is being used + bool useRangeFinder; ///< true when rangefinder is being used struct ekf_status_report current_ekf_state; struct ekf_status_report last_ekf_error; @@ -172,6 +261,10 @@ void FuseMagnetometer(); void FuseAirspeed(); +void FuseRangeFinder(); + +void FuseOpticalFlow(); + void zeroRows(float (&covMat)[n_states][n_states], uint8_t first, uint8_t last); void zeroCols(float (&covMat)[n_states][n_states], uint8_t first, uint8_t last); @@ -192,7 +285,7 @@ void StoreStates(uint64_t timestamp_ms); * time-wise where valid states were updated and invalid remained at the old * value. */ -int RecallStates(float statesForFusion[n_states], uint64_t msec); +int RecallStates(float *statesForFusion, uint64_t msec); void ResetStoredStates(); @@ -206,7 +299,7 @@ static void quat2eul(float (&eul)[3], const float (&quat)[4]); static void calcvelNED(float (&velNED)[3], float gpsCourse, float gpsGndSpd, float gpsVelD); -static void calcposNED(float (&posNED)[3], float lat, float lon, float hgt, float latRef, float lonRef, float hgtRef); +static void calcposNED(float (&posNED)[3], double lat, double lon, float hgt, double latRef, double lonRef, float hgtRef); static void calcLLH(float (&posNED)[3], float lat, float lon, float hgt, float latRef, float lonRef, float hgtRef); @@ -218,7 +311,7 @@ void OnGroundCheck(); void CovarianceInit(); -void InitialiseFilter(float (&initvelNED)[3]); +void InitialiseFilter(float (&initvelNED)[3], double referenceLat, double referenceLon, float referenceHgt, float declination); float ConstrainFloat(float val, float min, float max); @@ -243,7 +336,7 @@ void GetLastErrorState(struct ekf_status_report *last_error); bool StatesNaN(struct ekf_status_report *err_report); void FillErrorReport(struct ekf_status_report *err); -void InitializeDynamic(float (&initvelNED)[3]); +void InitializeDynamic(float (&initvelNED)[3], float declination); protected: @@ -251,7 +344,7 @@ bool FilterHealthy(); void ResetHeight(void); -void AttitudeInit(float ax, float ay, float az, float mx, float my, float mz, float *initQuat); +void AttitudeInit(float ax, float ay, float az, float mx, float my, float mz, float declination, float *initQuat); }; diff --git a/src/modules/fw_att_pos_estimator/module.mk b/src/modules/ekf_att_pos_estimator/module.mk index c992959e0..6fefec2c2 100644 --- a/src/modules/fw_att_pos_estimator/module.mk +++ b/src/modules/ekf_att_pos_estimator/module.mk @@ -32,11 +32,11 @@ ############################################################################ # -# Main Attitude and Position Estimator for Fixed Wing Aircraft +# Main EKF Attitude and Position Estimator # -MODULE_COMMAND = fw_att_pos_estimator +MODULE_COMMAND = ekf_att_pos_estimator -SRCS = fw_att_pos_estimator_main.cpp \ - fw_att_pos_estimator_params.c \ +SRCS = ekf_att_pos_estimator_main.cpp \ + ekf_att_pos_estimator_params.c \ estimator.cpp diff --git a/src/modules/fixedwing_att_control/fixedwing_att_control_att.c b/src/modules/fixedwing_att_control/fixedwing_att_control_att.c deleted file mode 100644 index 2aeca3a98..000000000 --- a/src/modules/fixedwing_att_control/fixedwing_att_control_att.c +++ /dev/null @@ -1,169 +0,0 @@ -/**************************************************************************** - * - * Copyright (C) 2012 PX4 Development Team. All rights reserved. - * Author: @author Thomas Gubler <thomasgubler@student.ethz.ch> - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name PX4 nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ -/** - * @file fixedwing_att_control_rate.c - * Implementation of a fixed wing attitude controller. - */ - -#include <nuttx/config.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include <fcntl.h> -#include <errno.h> -#include <math.h> -#include <poll.h> -#include <time.h> -#include <drivers/drv_hrt.h> -#include <arch/board/board.h> -#include <uORB/uORB.h> - -#include <uORB/topics/vehicle_attitude.h> -#include <uORB/topics/vehicle_attitude_setpoint.h> -#include <uORB/topics/manual_control_setpoint.h> -#include <systemlib/param/param.h> -#include <systemlib/pid/pid.h> -#include <systemlib/geo/geo.h> -#include <systemlib/systemlib.h> - -#include "fixedwing_att_control_att.h" - - -struct fw_att_control_params { - float roll_p; - float rollrate_lim; - float pitch_p; - float pitchrate_lim; - float yawrate_lim; - float pitch_roll_compensation_p; -}; - -struct fw_pos_control_param_handles { - param_t roll_p; - param_t rollrate_lim; - param_t pitch_p; - param_t pitchrate_lim; - param_t yawrate_lim; - param_t pitch_roll_compensation_p; -}; - - - -/* Internal Prototypes */ -static int parameters_init(struct fw_pos_control_param_handles *h); -static int parameters_update(const struct fw_pos_control_param_handles *h, struct fw_att_control_params *p); - -static int parameters_init(struct fw_pos_control_param_handles *h) -{ - /* PID parameters */ - h->roll_p = param_find("FW_ROLL_P"); - h->rollrate_lim = param_find("FW_ROLLR_LIM"); - h->pitch_p = param_find("FW_PITCH_P"); - h->pitchrate_lim = param_find("FW_PITCHR_LIM"); - h->yawrate_lim = param_find("FW_YAWR_LIM"); - h->pitch_roll_compensation_p = param_find("FW_PITCH_RCOMP"); - - return OK; -} - -static int parameters_update(const struct fw_pos_control_param_handles *h, struct fw_att_control_params *p) -{ - param_get(h->roll_p, &(p->roll_p)); - param_get(h->rollrate_lim, &(p->rollrate_lim)); - param_get(h->pitch_p, &(p->pitch_p)); - param_get(h->pitchrate_lim, &(p->pitchrate_lim)); - param_get(h->yawrate_lim, &(p->yawrate_lim)); - param_get(h->pitch_roll_compensation_p, &(p->pitch_roll_compensation_p)); - - return OK; -} - -int fixedwing_att_control_attitude(const struct vehicle_attitude_setpoint_s *att_sp, - const struct vehicle_attitude_s *att, - const float speed_body[], - struct vehicle_rates_setpoint_s *rates_sp) -{ - static int counter = 0; - static bool initialized = false; - - static struct fw_att_control_params p; - static struct fw_pos_control_param_handles h; - - static PID_t roll_controller; - static PID_t pitch_controller; - - - if (!initialized) { - parameters_init(&h); - parameters_update(&h, &p); - pid_init(&roll_controller, p.roll_p, 0, 0, 0, p.rollrate_lim, PID_MODE_DERIVATIV_NONE, 0.0f); //P Controller - pid_init(&pitch_controller, p.pitch_p, 0, 0, 0, p.pitchrate_lim, PID_MODE_DERIVATIV_NONE, 0.0f); //P Controller - initialized = true; - } - - /* load new parameters with lower rate */ - if (counter % 100 == 0) { - /* update parameters from storage */ - parameters_update(&h, &p); - pid_set_parameters(&roll_controller, p.roll_p, 0, 0, 0, p.rollrate_lim); - pid_set_parameters(&pitch_controller, p.pitch_p, 0, 0, 0, p.pitchrate_lim); - } - - /* Roll (P) */ - rates_sp->roll = pid_calculate(&roll_controller, att_sp->roll_body, att->roll, 0, 0); - - - /* Pitch (P) */ - - /* compensate feedforward for loss of lift due to non-horizontal angle of wing */ - float pitch_sp_rollcompensation = p.pitch_roll_compensation_p * fabsf(sinf(att_sp->roll_body)); - /* set pitch plus feedforward roll compensation */ - rates_sp->pitch = pid_calculate(&pitch_controller, - att_sp->pitch_body + pitch_sp_rollcompensation, - att->pitch, 0, 0); - - /* Yaw (from coordinated turn constraint or lateral force) */ - rates_sp->yaw = (att->rollspeed * rates_sp->roll + 9.81f * sinf(att->roll) * cosf(att->pitch) + speed_body[0] * rates_sp->pitch * sinf(att->roll)) - / (speed_body[0] * cosf(att->roll) * cosf(att->pitch) + speed_body[2] * sinf(att->pitch)); - -// printf("rates_sp->yaw %.4f \n", (double)rates_sp->yaw); - - counter++; - - return 0; -} - - - diff --git a/src/modules/fixedwing_att_control/fixedwing_att_control_att.h b/src/modules/fixedwing_att_control/fixedwing_att_control_att.h deleted file mode 100644 index 600e35b89..000000000 --- a/src/modules/fixedwing_att_control/fixedwing_att_control_att.h +++ /dev/null @@ -1,51 +0,0 @@ -/**************************************************************************** - * - * Copyright (C) 2012 PX4 Development Team. All rights reserved. - * Author: @author Thomas Gubler <thomasgubler@student.ethz.ch> - * - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name PX4 nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/* @file Fixed Wing Attitude Control */ - -#ifndef FIXEDWING_ATT_CONTROL_ATT_H_ -#define FIXEDWING_ATT_CONTROL_ATT_H_ - -#include <uORB/topics/vehicle_rates_setpoint.h> -#include <uORB/topics/vehicle_attitude_setpoint.h> -#include <uORB/topics/vehicle_attitude.h> -#include <uORB/topics/vehicle_global_position.h> - -int fixedwing_att_control_attitude(const struct vehicle_attitude_setpoint_s *att_sp, - const struct vehicle_attitude_s *att, - const float speed_body[], - struct vehicle_rates_setpoint_s *rates_sp); - -#endif /* FIXEDWING_ATT_CONTROL_ATT_H_ */ diff --git a/src/modules/fixedwing_att_control/fixedwing_att_control_main.c b/src/modules/fixedwing_att_control/fixedwing_att_control_main.c deleted file mode 100644 index b6b4546c2..000000000 --- a/src/modules/fixedwing_att_control/fixedwing_att_control_main.c +++ /dev/null @@ -1,367 +0,0 @@ -/**************************************************************************** - * - * Copyright (C) 2012 PX4 Development Team. All rights reserved. - * Author: @author Thomas Gubler <thomasgubler@student.ethz.ch> - * @author Doug Weibel <douglas.weibel@colorado.edu> - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name PX4 nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ -/** - * @file fixedwing_att_control.c - * Implementation of a fixed wing attitude controller. - */ - -#include <nuttx/config.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include <fcntl.h> -#include <errno.h> -#include <math.h> -#include <poll.h> -#include <time.h> -#include <drivers/drv_hrt.h> -#include <arch/board/board.h> -#include <uORB/uORB.h> -#include <uORB/topics/vehicle_global_position.h> -#include <uORB/topics/vehicle_global_position_setpoint.h> -#include <uORB/topics/vehicle_attitude.h> -#include <uORB/topics/vehicle_control_mode.h> -#include <uORB/topics/vehicle_status.h> -#include <uORB/topics/vehicle_attitude_setpoint.h> -#include <uORB/topics/manual_control_setpoint.h> -#include <uORB/topics/actuator_controls.h> -#include <uORB/topics/vehicle_rates_setpoint.h> -#include <uORB/topics/vehicle_global_position.h> -#include <uORB/topics/debug_key_value.h> -#include <systemlib/param/param.h> -#include <systemlib/pid/pid.h> -#include <systemlib/geo/geo.h> -#include <systemlib/perf_counter.h> -#include <systemlib/systemlib.h> - -#include "fixedwing_att_control_rate.h" -#include "fixedwing_att_control_att.h" - -/* Prototypes */ -/** - * Deamon management function. - */ -__EXPORT int fixedwing_att_control_main(int argc, char *argv[]); - -/** - * Mainloop of deamon. - */ -int fixedwing_att_control_thread_main(int argc, char *argv[]); - -/** - * Print the correct usage. - */ -static void usage(const char *reason); - -/* Variables */ -static bool thread_should_exit = false; /**< Deamon exit flag */ -static bool thread_running = false; /**< Deamon status flag */ -static int deamon_task; /**< Handle of deamon task / thread */ - -/* Main Thread */ -int fixedwing_att_control_thread_main(int argc, char *argv[]) -{ - /* read arguments */ - bool verbose = false; - - for (int i = 1; i < argc; i++) { - if (strcmp(argv[i], "-v") == 0 || strcmp(argv[i], "--verbose") == 0) { - verbose = true; - } - } - - /* welcome user */ - printf("[fixedwing att control] started\n"); - - /* declare and safely initialize all structs */ - struct vehicle_attitude_s att; - memset(&att, 0, sizeof(att)); - struct vehicle_attitude_setpoint_s att_sp; - memset(&att_sp, 0, sizeof(att_sp)); - struct vehicle_rates_setpoint_s rates_sp; - memset(&rates_sp, 0, sizeof(rates_sp)); - struct vehicle_global_position_s global_pos; - memset(&global_pos, 0, sizeof(global_pos)); - struct manual_control_setpoint_s manual_sp; - memset(&manual_sp, 0, sizeof(manual_sp)); - struct vehicle_control_mode_s control_mode; - memset(&control_mode, 0, sizeof(control_mode)); - struct vehicle_status_s vstatus; - memset(&vstatus, 0, sizeof(vstatus)); - - /* output structs */ - struct actuator_controls_s actuators; - memset(&actuators, 0, sizeof(actuators)); - - - /* publish actuator controls */ - for (unsigned i = 0; i < NUM_ACTUATOR_CONTROLS; i++) { - actuators.control[i] = 0.0f; - } - - orb_advert_t actuator_pub = orb_advertise(ORB_ID_VEHICLE_ATTITUDE_CONTROLS, &actuators); - orb_advert_t rates_pub = orb_advertise(ORB_ID(vehicle_rates_setpoint), &rates_sp); - - /* subscribe */ - int att_sub = orb_subscribe(ORB_ID(vehicle_attitude)); - int att_sp_sub = orb_subscribe(ORB_ID(vehicle_attitude_setpoint)); - int global_pos_sub = orb_subscribe(ORB_ID(vehicle_global_position)); - int manual_sp_sub = orb_subscribe(ORB_ID(manual_control_setpoint)); - int control_mode_sub = orb_subscribe(ORB_ID(vehicle_control_mode)); - int vehicle_status_sub = orb_subscribe(ORB_ID(vehicle_status)); - - /* Setup of loop */ - float gyro[3] = {0.0f, 0.0f, 0.0f}; - float speed_body[3] = {0.0f, 0.0f, 0.0f}; - struct pollfd fds = { .fd = att_sub, .events = POLLIN }; - - while (!thread_should_exit) { - /* wait for a sensor update, check for exit condition every 500 ms */ - poll(&fds, 1, 500); - - /* Check if there is a new position measurement or attitude setpoint */ - bool pos_updated; - orb_check(global_pos_sub, &pos_updated); - bool att_sp_updated; - orb_check(att_sp_sub, &att_sp_updated); - - /* get a local copy of attitude */ - orb_copy(ORB_ID(vehicle_attitude), att_sub, &att); - - if (att_sp_updated) - orb_copy(ORB_ID(vehicle_attitude_setpoint), att_sp_sub, &att_sp); - - if (pos_updated) { - orb_copy(ORB_ID(vehicle_global_position), global_pos_sub, &global_pos); - - if (att.R_valid) { - speed_body[0] = att.R[0][0] * global_pos.vx + att.R[0][1] * global_pos.vy + att.R[0][2] * global_pos.vz; - speed_body[1] = att.R[1][0] * global_pos.vx + att.R[1][1] * global_pos.vy + att.R[1][2] * global_pos.vz; - speed_body[2] = att.R[2][0] * global_pos.vx + att.R[2][1] * global_pos.vy + att.R[2][2] * global_pos.vz; - - } else { - speed_body[0] = 0; - speed_body[1] = 0; - speed_body[2] = 0; - - printf("FW ATT CONTROL: Did not get a valid R\n"); - } - } - - orb_copy(ORB_ID(manual_control_setpoint), manual_sp_sub, &manual_sp); - orb_copy(ORB_ID(vehicle_control_mode), control_mode_sub, &control_mode); - orb_copy(ORB_ID(vehicle_status), vehicle_status_sub, &vstatus); - - gyro[0] = att.rollspeed; - gyro[1] = att.pitchspeed; - gyro[2] = att.yawspeed; - - /* set manual setpoints if required */ - if (control_mode.flag_control_manual_enabled) { - if (control_mode.flag_control_attitude_enabled) { - - /* if the RC signal is lost, try to stay level and go slowly back down to ground */ - if (vstatus.rc_signal_lost) { - - /* put plane into loiter */ - att_sp.roll_body = 0.3f; - att_sp.pitch_body = 0.0f; - - /* limit throttle to 60 % of last value if sane */ - if (isfinite(manual_sp.throttle) && - (manual_sp.throttle >= 0.0f) && - (manual_sp.throttle <= 1.0f)) { - att_sp.thrust = 0.6f * manual_sp.throttle; - - } else { - att_sp.thrust = 0.0f; - } - - att_sp.yaw_body = 0; - - // XXX disable yaw control, loiter - - } else { - - att_sp.roll_body = manual_sp.roll; - att_sp.pitch_body = manual_sp.pitch; - att_sp.yaw_body = 0; - att_sp.thrust = manual_sp.throttle; - } - - att_sp.timestamp = hrt_absolute_time(); - - /* pass through flaps */ - if (isfinite(manual_sp.flaps)) { - actuators.control[4] = manual_sp.flaps; - - } else { - actuators.control[4] = 0.0f; - } - - } else { - /* directly pass through values */ - actuators.control[0] = manual_sp.roll; - /* positive pitch means negative actuator -> pull up */ - actuators.control[1] = manual_sp.pitch; - actuators.control[2] = manual_sp.yaw; - actuators.control[3] = manual_sp.throttle; - - if (isfinite(manual_sp.flaps)) { - actuators.control[4] = manual_sp.flaps; - - } else { - actuators.control[4] = 0.0f; - } - } - } - - /* execute attitude control if requested */ - if (control_mode.flag_control_attitude_enabled) { - /* attitude control */ - fixedwing_att_control_attitude(&att_sp, &att, speed_body, &rates_sp); - - /* angular rate control */ - fixedwing_att_control_rates(&rates_sp, gyro, &actuators); - - /* pass through throttle */ - actuators.control[3] = att_sp.thrust; - - /* set flaps to zero */ - actuators.control[4] = 0.0f; - - } - - /* publish rates */ - orb_publish(ORB_ID(vehicle_rates_setpoint), rates_pub, &rates_sp); - - /* sanity check and publish actuator outputs */ - if (isfinite(actuators.control[0]) && - isfinite(actuators.control[1]) && - isfinite(actuators.control[2]) && - isfinite(actuators.control[3])) { - orb_publish(ORB_ID_VEHICLE_ATTITUDE_CONTROLS, actuator_pub, &actuators); - } - } - - printf("[fixedwing_att_control] exiting, stopping all motors.\n"); - thread_running = false; - - /* kill all outputs */ - for (unsigned i = 0; i < NUM_ACTUATOR_CONTROLS; i++) - actuators.control[i] = 0.0f; - - orb_publish(ORB_ID_VEHICLE_ATTITUDE_CONTROLS, actuator_pub, &actuators); - - - - close(att_sub); - close(actuator_pub); - close(rates_pub); - - fflush(stdout); - exit(0); - - return 0; - -} - -/* Startup Functions */ - -static void -usage(const char *reason) -{ - if (reason) - fprintf(stderr, "%s\n", reason); - - fprintf(stderr, "usage: fixedwing_att_control {start|stop|status}\n\n"); - exit(1); -} - -/** - * The deamon app only briefly exists to start - * the background job. The stack size assigned in the - * Makefile does only apply to this management task. - * - * The actual stack size should be set in the call - * to task_create(). - */ -int fixedwing_att_control_main(int argc, char *argv[]) -{ - if (argc < 1) - usage("missing command"); - - if (!strcmp(argv[1], "start")) { - - if (thread_running) { - printf("fixedwing_att_control already running\n"); - /* this is not an error */ - exit(0); - } - - thread_should_exit = false; - deamon_task = task_spawn_cmd("fixedwing_att_control", - SCHED_DEFAULT, - SCHED_PRIORITY_MAX - 20, - 2048, - fixedwing_att_control_thread_main, - (argv) ? (const char **)&argv[2] : (const char **)NULL); - thread_running = true; - exit(0); - } - - if (!strcmp(argv[1], "stop")) { - thread_should_exit = true; - exit(0); - } - - if (!strcmp(argv[1], "status")) { - if (thread_running) { - printf("\tfixedwing_att_control is running\n"); - - } else { - printf("\tfixedwing_att_control not started\n"); - } - - exit(0); - } - - usage("unrecognized command"); - exit(1); -} - - - diff --git a/src/modules/fixedwing_att_control/fixedwing_att_control_rate.c b/src/modules/fixedwing_att_control/fixedwing_att_control_rate.c deleted file mode 100644 index cdab39edc..000000000 --- a/src/modules/fixedwing_att_control/fixedwing_att_control_rate.c +++ /dev/null @@ -1,211 +0,0 @@ -/**************************************************************************** - * - * Copyright (C) 2012 PX4 Development Team. All rights reserved. - * Author: Thomas Gubler <thomasgubler@student.ethz.ch> - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name PX4 nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ -/** - * @file fixedwing_att_control_rate.c - * @author Thomas Gubler <thomasgubler@student.ethz.ch> - * - * Implementation of a fixed wing attitude controller. - * - */ - -#include <nuttx/config.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include <fcntl.h> -#include <errno.h> -#include <math.h> -#include <poll.h> -#include <time.h> -#include <drivers/drv_hrt.h> -#include <arch/board/board.h> -#include <uORB/uORB.h> - -#include <uORB/topics/vehicle_attitude.h> -#include <uORB/topics/vehicle_attitude_setpoint.h> -#include <uORB/topics/manual_control_setpoint.h> -#include <systemlib/param/param.h> -#include <systemlib/pid/pid.h> -#include <systemlib/geo/geo.h> -#include <systemlib/systemlib.h> - -#include "fixedwing_att_control_rate.h" - -/* - * Controller parameters, accessible via MAVLink - * - */ -// Roll control parameters -PARAM_DEFINE_FLOAT(FW_ROLLR_P, 0.9f); -PARAM_DEFINE_FLOAT(FW_ROLLR_I, 0.2f); -PARAM_DEFINE_FLOAT(FW_ROLLR_AWU, 0.9f); -PARAM_DEFINE_FLOAT(FW_ROLLR_LIM, 0.7f); // Roll rate limit in radians/sec, applies to the roll controller -PARAM_DEFINE_FLOAT(FW_ROLL_P, 4.0f); -PARAM_DEFINE_FLOAT(FW_PITCH_RCOMP, 0.1f); - -//Pitch control parameters -PARAM_DEFINE_FLOAT(FW_PITCHR_P, 0.8f); -PARAM_DEFINE_FLOAT(FW_PITCHR_I, 0.2f); -PARAM_DEFINE_FLOAT(FW_PITCHR_AWU, 0.8f); -PARAM_DEFINE_FLOAT(FW_PITCHR_LIM, 0.35f); // Pitch rate limit in radians/sec, applies to the pitch controller -PARAM_DEFINE_FLOAT(FW_PITCH_P, 8.0f); - -//Yaw control parameters //XXX TODO this is copy paste, asign correct values -PARAM_DEFINE_FLOAT(FW_YAWR_P, 0.3f); -PARAM_DEFINE_FLOAT(FW_YAWR_I, 0.0f); -PARAM_DEFINE_FLOAT(FW_YAWR_AWU, 0.0f); -PARAM_DEFINE_FLOAT(FW_YAWR_LIM, 0.35f); // Yaw rate limit in radians/sec - -/* feedforward compensation */ -PARAM_DEFINE_FLOAT(FW_PITCH_THR_P, 0.1f); /**< throttle to pitch coupling feedforward */ - -struct fw_rate_control_params { - float rollrate_p; - float rollrate_i; - float rollrate_awu; - float pitchrate_p; - float pitchrate_i; - float pitchrate_awu; - float yawrate_p; - float yawrate_i; - float yawrate_awu; - float pitch_thr_ff; -}; - -struct fw_rate_control_param_handles { - param_t rollrate_p; - param_t rollrate_i; - param_t rollrate_awu; - param_t pitchrate_p; - param_t pitchrate_i; - param_t pitchrate_awu; - param_t yawrate_p; - param_t yawrate_i; - param_t yawrate_awu; - param_t pitch_thr_ff; -}; - - - -/* Internal Prototypes */ -static int parameters_init(struct fw_rate_control_param_handles *h); -static int parameters_update(const struct fw_rate_control_param_handles *h, struct fw_rate_control_params *p); - -static int parameters_init(struct fw_rate_control_param_handles *h) -{ - /* PID parameters */ - h->rollrate_p = param_find("FW_ROLLR_P"); //TODO define rate params for fixed wing - h->rollrate_i = param_find("FW_ROLLR_I"); - h->rollrate_awu = param_find("FW_ROLLR_AWU"); - - h->pitchrate_p = param_find("FW_PITCHR_P"); - h->pitchrate_i = param_find("FW_PITCHR_I"); - h->pitchrate_awu = param_find("FW_PITCHR_AWU"); - - h->yawrate_p = param_find("FW_YAWR_P"); - h->yawrate_i = param_find("FW_YAWR_I"); - h->yawrate_awu = param_find("FW_YAWR_AWU"); - h->pitch_thr_ff = param_find("FW_PITCH_THR_P"); - - return OK; -} - -static int parameters_update(const struct fw_rate_control_param_handles *h, struct fw_rate_control_params *p) -{ - param_get(h->rollrate_p, &(p->rollrate_p)); - param_get(h->rollrate_i, &(p->rollrate_i)); - param_get(h->rollrate_awu, &(p->rollrate_awu)); - param_get(h->pitchrate_p, &(p->pitchrate_p)); - param_get(h->pitchrate_i, &(p->pitchrate_i)); - param_get(h->pitchrate_awu, &(p->pitchrate_awu)); - param_get(h->yawrate_p, &(p->yawrate_p)); - param_get(h->yawrate_i, &(p->yawrate_i)); - param_get(h->yawrate_awu, &(p->yawrate_awu)); - param_get(h->pitch_thr_ff, &(p->pitch_thr_ff)); - - return OK; -} - -int fixedwing_att_control_rates(const struct vehicle_rates_setpoint_s *rate_sp, - const float rates[], - struct actuator_controls_s *actuators) -{ - static int counter = 0; - static bool initialized = false; - - static struct fw_rate_control_params p; - static struct fw_rate_control_param_handles h; - - static PID_t roll_rate_controller; - static PID_t pitch_rate_controller; - static PID_t yaw_rate_controller; - - static uint64_t last_run = 0; - const float deltaT = (hrt_absolute_time() - last_run) / 1000000.0f; - last_run = hrt_absolute_time(); - - if (!initialized) { - parameters_init(&h); - parameters_update(&h, &p); - pid_init(&roll_rate_controller, p.rollrate_p, p.rollrate_i, 0, p.rollrate_awu, 1, PID_MODE_DERIVATIV_NONE, 0.0f); // set D part to 0 because the controller layout is with a PI rate controller - pid_init(&pitch_rate_controller, p.pitchrate_p, p.pitchrate_i, 0, p.pitchrate_awu, 1, PID_MODE_DERIVATIV_NONE, 0.0f); // set D part to 0 because the contpitcher layout is with a PI rate contpitcher - pid_init(&yaw_rate_controller, p.yawrate_p, p.yawrate_i, 0, p.yawrate_awu, 1, PID_MODE_DERIVATIV_NONE, 0.0f); // set D part to 0 because the contpitcher layout is with a PI rate contpitcher - initialized = true; - } - - /* load new parameters with lower rate */ - if (counter % 100 == 0) { - /* update parameters from storage */ - parameters_update(&h, &p); - pid_set_parameters(&roll_rate_controller, p.rollrate_p, p.rollrate_i, 0, p.rollrate_awu, 1); - pid_set_parameters(&pitch_rate_controller, p.pitchrate_p, p.pitchrate_i, 0, p.pitchrate_awu, 1); - pid_set_parameters(&yaw_rate_controller, p.yawrate_p, p.yawrate_i, 0, p.yawrate_awu, 1); - } - - - /* roll rate (PI) */ - actuators->control[0] = pid_calculate(&roll_rate_controller, rate_sp->roll, rates[0], 0.0f, deltaT); - /* pitch rate (PI) */ - actuators->control[1] = -pid_calculate(&pitch_rate_controller, rate_sp->pitch, rates[1], 0.0f, deltaT); - /* yaw rate (PI) */ - actuators->control[2] = pid_calculate(&yaw_rate_controller, rate_sp->yaw, rates[2], 0.0f, deltaT); - - counter++; - - return 0; -} - - - diff --git a/src/modules/fixedwing_att_control/fixedwing_att_control_rate.h b/src/modules/fixedwing_att_control/fixedwing_att_control_rate.h deleted file mode 100644 index 500e3e197..000000000 --- a/src/modules/fixedwing_att_control/fixedwing_att_control_rate.h +++ /dev/null @@ -1,48 +0,0 @@ -/**************************************************************************** - * - * Copyright (C) 2012 PX4 Development Team. All rights reserved. - * Author: @author Thomas Gubler <thomasgubler@student.ethz.ch> - * - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name PX4 nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/* @file Fixed Wing Attitude Rate Control */ - -#ifndef FIXEDWING_ATT_CONTROL_RATE_H_ -#define FIXEDWING_ATT_CONTROL_RATE_H_ - -#include <uORB/topics/vehicle_rates_setpoint.h> -#include <uORB/topics/actuator_controls.h> - -int fixedwing_att_control_rates(const struct vehicle_rates_setpoint_s *rate_sp, - const float rates[], - struct actuator_controls_s *actuators); - -#endif /* FIXEDWING_ATT_CONTROL_RATE_H_ */ diff --git a/src/modules/fixedwing_att_control/module.mk b/src/modules/fixedwing_att_control/module.mk deleted file mode 100644 index fd1a8724a..000000000 --- a/src/modules/fixedwing_att_control/module.mk +++ /dev/null @@ -1,42 +0,0 @@ -############################################################################ -# -# Copyright (c) 2012, 2013 PX4 Development Team. All rights reserved. -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions -# are met: -# -# 1. Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# 2. Redistributions in binary form must reproduce the above copyright -# notice, this list of conditions and the following disclaimer in -# the documentation and/or other materials provided with the -# distribution. -# 3. Neither the name PX4 nor the names of its contributors may be -# used to endorse or promote products derived from this software -# without specific prior written permission. -# -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS -# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE -# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, -# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, -# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS -# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED -# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN -# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -# POSSIBILITY OF SUCH DAMAGE. -# -############################################################################ - -# -# Fixedwing Attitude Control application -# - -MODULE_COMMAND = fixedwing_att_control - -SRCS = fixedwing_att_control_main.c \ - fixedwing_att_control_att.c \ - fixedwing_att_control_rate.c diff --git a/src/modules/fixedwing_backside/fixedwing.cpp b/src/modules/fixedwing_backside/fixedwing.cpp index cfae07275..bbb39f20f 100644 --- a/src/modules/fixedwing_backside/fixedwing.cpp +++ b/src/modules/fixedwing_backside/fixedwing.cpp @@ -229,8 +229,8 @@ void BlockMultiModeBacksideAutopilot::update() _actuators.control[CH_RDR] = _manual.yaw; _actuators.control[CH_THR] = _manual.throttle; - } else if (_status.main_state == MAIN_STATE_SEATBELT || - _status.main_state == MAIN_STATE_EASY /* TODO, implement easy */) { + } else if (_status.main_state == MAIN_STATE_ALTCTL || + _status.main_state == MAIN_STATE_POSCTL /* TODO, implement pos control */) { // calculate velocity, XXX should be airspeed, but using ground speed for now // for the purpose of control we will limit the velocity feedback between diff --git a/src/modules/fixedwing_pos_control/fixedwing_pos_control_main.c b/src/modules/fixedwing_pos_control/fixedwing_pos_control_main.c deleted file mode 100644 index 888dd0942..000000000 --- a/src/modules/fixedwing_pos_control/fixedwing_pos_control_main.c +++ /dev/null @@ -1,479 +0,0 @@ -/**************************************************************************** - * - * Copyright (C) 2012 PX4 Development Team. All rights reserved. - * Author: @author Thomas Gubler <thomasgubler@student.ethz.ch> - * @author Doug Weibel <douglas.weibel@colorado.edu> - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name PX4 nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ -/** - * @file fixedwing_pos_control.c - * Implementation of a fixed wing attitude controller. - */ - -#include <nuttx/config.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include <fcntl.h> -#include <errno.h> -#include <math.h> -#include <poll.h> -#include <time.h> -#include <drivers/drv_hrt.h> -#include <arch/board/board.h> -#include <uORB/uORB.h> -#include <uORB/topics/vehicle_global_position.h> -#include <uORB/topics/vehicle_global_position_setpoint.h> -#include <uORB/topics/vehicle_attitude_setpoint.h> -#include <uORB/topics/manual_control_setpoint.h> -#include <uORB/topics/actuator_controls.h> -#include <uORB/topics/vehicle_rates_setpoint.h> -#include <uORB/topics/vehicle_attitude.h> -#include <uORB/topics/parameter_update.h> -#include <systemlib/param/param.h> -#include <systemlib/pid/pid.h> -#include <systemlib/geo/geo.h> -#include <systemlib/perf_counter.h> -#include <systemlib/systemlib.h> - -/* - * Controller parameters, accessible via MAVLink - * - */ -PARAM_DEFINE_FLOAT(FW_HEAD_P, 0.1f); -PARAM_DEFINE_FLOAT(FW_HEADR_I, 0.1f); -PARAM_DEFINE_FLOAT(FW_HEADR_LIM, 1.5f); //TODO: think about reasonable value -PARAM_DEFINE_FLOAT(FW_XTRACK_P, 0.01745f); // Radians per meter off track -PARAM_DEFINE_FLOAT(FW_ALT_P, 0.1f); -PARAM_DEFINE_FLOAT(FW_ROLL_LIM, 0.7f); // Roll angle limit in radians -PARAM_DEFINE_FLOAT(FW_HEADR_P, 0.1f); -PARAM_DEFINE_FLOAT(FW_PITCH_LIM, 0.35f); /**< Pitch angle limit in radians per second */ - -struct fw_pos_control_params { - float heading_p; - float headingr_p; - float headingr_i; - float headingr_lim; - float xtrack_p; - float altitude_p; - float roll_lim; - float pitch_lim; -}; - -struct fw_pos_control_param_handles { - param_t heading_p; - param_t headingr_p; - param_t headingr_i; - param_t headingr_lim; - param_t xtrack_p; - param_t altitude_p; - param_t roll_lim; - param_t pitch_lim; -}; - - -struct planned_path_segments_s { - bool segment_type; - double start_lat; // Start of line or center of arc - double start_lon; - double end_lat; - double end_lon; - float radius; // Radius of arc - float arc_start_bearing; // Bearing from center to start of arc - float arc_sweep; // Angle (radians) swept out by arc around center. - // Positive for clockwise, negative for counter-clockwise -}; - - -/* Prototypes */ -/* Internal Prototypes */ -static int parameters_init(struct fw_pos_control_param_handles *h); -static int parameters_update(const struct fw_pos_control_param_handles *h, struct fw_pos_control_params *p); - -/** - * Deamon management function. - */ -__EXPORT int fixedwing_pos_control_main(int argc, char *argv[]); - -/** - * Mainloop of deamon. - */ -int fixedwing_pos_control_thread_main(int argc, char *argv[]); - -/** - * Print the correct usage. - */ -static void usage(const char *reason); - -/* Variables */ -static bool thread_should_exit = false; /**< Deamon exit flag */ -static bool thread_running = false; /**< Deamon status flag */ -static int deamon_task; /**< Handle of deamon task / thread */ - - -/** - * Parameter management - */ -static int parameters_init(struct fw_pos_control_param_handles *h) -{ - /* PID parameters */ - h->heading_p = param_find("FW_HEAD_P"); - h->headingr_p = param_find("FW_HEADR_P"); - h->headingr_i = param_find("FW_HEADR_I"); - h->headingr_lim = param_find("FW_HEADR_LIM"); - h->xtrack_p = param_find("FW_XTRACK_P"); - h->altitude_p = param_find("FW_ALT_P"); - h->roll_lim = param_find("FW_ROLL_LIM"); - h->pitch_lim = param_find("FW_PITCH_LIM"); - - return OK; -} - -static int parameters_update(const struct fw_pos_control_param_handles *h, struct fw_pos_control_params *p) -{ - param_get(h->heading_p, &(p->heading_p)); - param_get(h->headingr_p, &(p->headingr_p)); - param_get(h->headingr_i, &(p->headingr_i)); - param_get(h->headingr_lim, &(p->headingr_lim)); - param_get(h->xtrack_p, &(p->xtrack_p)); - param_get(h->altitude_p, &(p->altitude_p)); - param_get(h->roll_lim, &(p->roll_lim)); - param_get(h->pitch_lim, &(p->pitch_lim)); - - return OK; -} - - -/* Main Thread */ -int fixedwing_pos_control_thread_main(int argc, char *argv[]) -{ - /* read arguments */ - bool verbose = false; - - for (int i = 1; i < argc; i++) { - if (strcmp(argv[i], "-v") == 0 || strcmp(argv[i], "--verbose") == 0) { - verbose = true; - } - } - - /* welcome user */ - printf("[fixedwing pos control] started\n"); - - /* declare and safely initialize all structs */ - struct vehicle_global_position_s global_pos; - memset(&global_pos, 0, sizeof(global_pos)); - struct vehicle_global_position_s start_pos; // Temporary variable, replace with - memset(&start_pos, 0, sizeof(start_pos)); // previous waypoint when available - struct vehicle_global_position_setpoint_s global_setpoint; - memset(&global_setpoint, 0, sizeof(global_setpoint)); - struct vehicle_attitude_s att; - memset(&att, 0, sizeof(att)); - struct crosstrack_error_s xtrack_err; - memset(&xtrack_err, 0, sizeof(xtrack_err)); - struct parameter_update_s param_update; - memset(¶m_update, 0, sizeof(param_update)); - - /* output structs */ - struct vehicle_attitude_setpoint_s attitude_setpoint; - memset(&attitude_setpoint, 0, sizeof(attitude_setpoint)); - - /* publish attitude setpoint */ - attitude_setpoint.roll_body = 0.0f; - attitude_setpoint.pitch_body = 0.0f; - attitude_setpoint.yaw_body = 0.0f; - attitude_setpoint.thrust = 0.0f; - orb_advert_t attitude_setpoint_pub = orb_advertise(ORB_ID(vehicle_attitude_setpoint), &attitude_setpoint); - - /* subscribe */ - int global_pos_sub = orb_subscribe(ORB_ID(vehicle_global_position)); - int global_setpoint_sub = orb_subscribe(ORB_ID(vehicle_global_position_setpoint)); - int att_sub = orb_subscribe(ORB_ID(vehicle_attitude)); - int param_sub = orb_subscribe(ORB_ID(parameter_update)); - - /* Setup of loop */ - struct pollfd fds[2] = { - { .fd = param_sub, .events = POLLIN }, - { .fd = att_sub, .events = POLLIN } - }; - bool global_sp_updated_set_once = false; - - float psi_track = 0.0f; - - int counter = 0; - - struct fw_pos_control_params p; - struct fw_pos_control_param_handles h; - - PID_t heading_controller; - PID_t heading_rate_controller; - PID_t offtrack_controller; - PID_t altitude_controller; - - parameters_init(&h); - parameters_update(&h, &p); - pid_init(&heading_controller, p.heading_p, 0.0f, 0.0f, 0.0f, 10000.0f, PID_MODE_DERIVATIV_NONE, 0.0f); //arbitrary high limit - pid_init(&heading_rate_controller, p.headingr_p, p.headingr_i, 0.0f, 0.0f, p.roll_lim, PID_MODE_DERIVATIV_NONE, 0.0f); - pid_init(&altitude_controller, p.altitude_p, 0.0f, 0.0f, 0.0f, p.pitch_lim, PID_MODE_DERIVATIV_NONE, 0.0f); - pid_init(&offtrack_controller, p.xtrack_p, 0.0f, 0.0f, 0.0f , 60.0f * M_DEG_TO_RAD, PID_MODE_DERIVATIV_NONE, 0.0f); //TODO: remove hardcoded value - - /* error and performance monitoring */ - perf_counter_t fw_interval_perf = perf_alloc(PC_INTERVAL, "fixedwing_pos_control_interval"); - perf_counter_t fw_err_perf = perf_alloc(PC_COUNT, "fixedwing_pos_control_err"); - - while (!thread_should_exit) { - /* wait for a sensor update, check for exit condition every 500 ms */ - int ret = poll(fds, 2, 500); - - if (ret < 0) { - /* poll error, count it in perf */ - perf_count(fw_err_perf); - - } else if (ret == 0) { - /* no return value, ignore */ - } else { - - /* only update parameters if they changed */ - if (fds[0].revents & POLLIN) { - /* read from param to clear updated flag */ - struct parameter_update_s update; - orb_copy(ORB_ID(parameter_update), param_sub, &update); - - /* update parameters from storage */ - parameters_update(&h, &p); - pid_set_parameters(&heading_controller, p.heading_p, 0, 0, 0, 10000.0f); //arbitrary high limit - pid_set_parameters(&heading_rate_controller, p.headingr_p, p.headingr_i, 0, 0, p.roll_lim); - pid_set_parameters(&altitude_controller, p.altitude_p, 0, 0, 0, p.pitch_lim); - pid_set_parameters(&offtrack_controller, p.xtrack_p, 0, 0, 0, 60.0f * M_DEG_TO_RAD); //TODO: remove hardcoded value - } - - /* only run controller if attitude changed */ - if (fds[1].revents & POLLIN) { - - - static uint64_t last_run = 0; - const float deltaT = (hrt_absolute_time() - last_run) / 1000000.0f; - last_run = hrt_absolute_time(); - - /* check if there is a new position or setpoint */ - bool pos_updated; - orb_check(global_pos_sub, &pos_updated); - bool global_sp_updated; - orb_check(global_setpoint_sub, &global_sp_updated); - - /* load local copies */ - orb_copy(ORB_ID(vehicle_attitude), att_sub, &att); - - if (pos_updated) { - orb_copy(ORB_ID(vehicle_global_position), global_pos_sub, &global_pos); - } - - if (global_sp_updated) { - orb_copy(ORB_ID(vehicle_global_position_setpoint), global_setpoint_sub, &global_setpoint); - start_pos = global_pos; //for now using the current position as the startpoint (= approx. last waypoint because the setpoint switch occurs at the waypoint) - global_sp_updated_set_once = true; - psi_track = get_bearing_to_next_waypoint(global_pos.lat, global_pos.lon, - (double)global_setpoint.lat / (double)1e7d, (double)global_setpoint.lon / (double)1e7d); - - printf("next wp direction: %0.4f\n", (double)psi_track); - } - - /* Simple Horizontal Control */ - if (global_sp_updated_set_once) { - // if (counter % 100 == 0) - // printf("lat_sp %d, ln_sp %d, lat: %d, lon: %d\n", global_setpoint.lat, global_setpoint.lon, global_pos.lat, global_pos.lon); - - /* calculate crosstrack error */ - // Only the case of a straight line track following handled so far - int distance_res = get_distance_to_line(&xtrack_err, (double)global_pos.lat / (double)1e7d, (double)global_pos.lon / (double)1e7d, - (double)start_pos.lat / (double)1e7d, (double)start_pos.lon / (double)1e7d, - (double)global_setpoint.lat / (double)1e7d, (double)global_setpoint.lon / (double)1e7d); - - // XXX what is xtrack_err.past_end? - if (distance_res == OK /*&& !xtrack_err.past_end*/) { - - float delta_psi_c = pid_calculate(&offtrack_controller, 0, xtrack_err.distance, 0.0f, 0.0f); //p.xtrack_p * xtrack_err.distance - - float psi_c = psi_track + delta_psi_c; - float psi_e = psi_c - att.yaw; - - /* wrap difference back onto -pi..pi range */ - psi_e = _wrap_pi(psi_e); - - if (verbose) { - printf("xtrack_err.distance %.4f ", (double)xtrack_err.distance); - printf("delta_psi_c %.4f ", (double)delta_psi_c); - printf("psi_c %.4f ", (double)psi_c); - printf("att.yaw %.4f ", (double)att.yaw); - printf("psi_e %.4f ", (double)psi_e); - } - - /* calculate roll setpoint, do this artificially around zero */ - float delta_psi_rate_c = pid_calculate(&heading_controller, psi_e, 0.0f, 0.0f, 0.0f); - float psi_rate_track = 0; //=V_gr/r_track , this will be needed for implementation of arc following - float psi_rate_c = delta_psi_rate_c + psi_rate_track; - - /* limit turn rate */ - if (psi_rate_c > p.headingr_lim) { - psi_rate_c = p.headingr_lim; - - } else if (psi_rate_c < -p.headingr_lim) { - psi_rate_c = -p.headingr_lim; - } - - float psi_rate_e = psi_rate_c - att.yawspeed; - - // XXX sanity check: Assume 10 m/s stall speed and no stall condition - float ground_speed = sqrtf(global_pos.vx * global_pos.vx + global_pos.vy * global_pos.vy); - - if (ground_speed < 10.0f) { - ground_speed = 10.0f; - } - - float psi_rate_e_scaled = psi_rate_e * ground_speed / 9.81f; //* V_gr / g - - attitude_setpoint.roll_body = pid_calculate(&heading_rate_controller, psi_rate_e_scaled, 0.0f, 0.0f, deltaT); - - if (verbose) { - printf("psi_rate_c %.4f ", (double)psi_rate_c); - printf("psi_rate_e_scaled %.4f ", (double)psi_rate_e_scaled); - printf("rollbody %.4f\n", (double)attitude_setpoint.roll_body); - } - - if (verbose && counter % 100 == 0) - printf("xtrack_err.distance: %0.4f, delta_psi_c: %0.4f\n", xtrack_err.distance, delta_psi_c); - - } else { - if (verbose && counter % 100 == 0) - printf("distance_res: %d, past_end %d\n", distance_res, xtrack_err.past_end); - } - - /* Very simple Altitude Control */ - if (pos_updated) { - - //TODO: take care of relative vs. ab. altitude - attitude_setpoint.pitch_body = pid_calculate(&altitude_controller, global_setpoint.altitude, global_pos.alt, 0.0f, 0.0f); - - } - - // XXX need speed control - attitude_setpoint.thrust = 0.7f; - - /* publish the attitude setpoint */ - orb_publish(ORB_ID(vehicle_attitude_setpoint), attitude_setpoint_pub, &attitude_setpoint); - - /* measure in what intervals the controller runs */ - perf_count(fw_interval_perf); - - counter++; - - } else { - // XXX no setpoint, decent default needed (loiter?) - } - } - } - } - - printf("[fixedwing_pos_control] exiting.\n"); - thread_running = false; - - - close(attitude_setpoint_pub); - - fflush(stdout); - exit(0); - - return 0; - -} - -/* Startup Functions */ - -static void -usage(const char *reason) -{ - if (reason) - fprintf(stderr, "%s\n", reason); - - fprintf(stderr, "usage: fixedwing_pos_control {start|stop|status}\n\n"); - exit(1); -} - -/** - * The deamon app only briefly exists to start - * the background job. The stack size assigned in the - * Makefile does only apply to this management task. - * - * The actual stack size should be set in the call - * to task_create(). - */ -int fixedwing_pos_control_main(int argc, char *argv[]) -{ - if (argc < 1) - usage("missing command"); - - if (!strcmp(argv[1], "start")) { - - if (thread_running) { - printf("fixedwing_pos_control already running\n"); - /* this is not an error */ - exit(0); - } - - thread_should_exit = false; - deamon_task = task_spawn_cmd("fixedwing_pos_control", - SCHED_DEFAULT, - SCHED_PRIORITY_MAX - 20, - 2048, - fixedwing_pos_control_thread_main, - (argv) ? (const char **)&argv[2] : (const char **)NULL); - thread_running = true; - exit(0); - } - - if (!strcmp(argv[1], "stop")) { - thread_should_exit = true; - exit(0); - } - - if (!strcmp(argv[1], "status")) { - if (thread_running) { - printf("\tfixedwing_pos_control is running\n"); - - } else { - printf("\tfixedwing_pos_control not started\n"); - } - - exit(0); - } - - usage("unrecognized command"); - exit(1); -} diff --git a/src/modules/fixedwing_pos_control/module.mk b/src/modules/fixedwing_pos_control/module.mk deleted file mode 100644 index b976377e9..000000000 --- a/src/modules/fixedwing_pos_control/module.mk +++ /dev/null @@ -1,40 +0,0 @@ -############################################################################ -# -# Copyright (c) 2012, 2013 PX4 Development Team. All rights reserved. -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions -# are met: -# -# 1. Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# 2. Redistributions in binary form must reproduce the above copyright -# notice, this list of conditions and the following disclaimer in -# the documentation and/or other materials provided with the -# distribution. -# 3. Neither the name PX4 nor the names of its contributors may be -# used to endorse or promote products derived from this software -# without specific prior written permission. -# -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS -# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE -# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, -# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, -# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS -# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED -# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN -# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -# POSSIBILITY OF SUCH DAMAGE. -# -############################################################################ - -# -# Fixedwing PositionControl application -# - -MODULE_COMMAND = fixedwing_pos_control - -SRCS = fixedwing_pos_control_main.c diff --git a/src/modules/fw_att_control/fw_att_control_main.cpp b/src/modules/fw_att_control/fw_att_control_main.cpp index 5276b1c13..178b590ae 100644 --- a/src/modules/fw_att_control/fw_att_control_main.cpp +++ b/src/modules/fw_att_control/fw_att_control_main.cpp @@ -134,6 +134,8 @@ private: struct vehicle_global_position_s _global_pos; /**< global position */ perf_counter_t _loop_perf; /**< loop performance counter */ + perf_counter_t _nonfinite_input_perf; /**< performance counter for non finite input */ + perf_counter_t _nonfinite_output_perf; /**< performance counter for non finite output */ bool _setpoint_valid; /**< flag if the position control setpoint is valid */ @@ -273,7 +275,7 @@ private: /** * Main sensor collection task. */ - void task_main() __attribute__((noreturn)); + void task_main(); }; namespace att_control @@ -304,12 +306,14 @@ FixedwingAttitudeControl::FixedwingAttitudeControl() : /* publications */ _rate_sp_pub(-1), - _actuators_0_pub(-1), _attitude_sp_pub(-1), + _actuators_0_pub(-1), _actuators_1_pub(-1), /* performance counters */ _loop_perf(perf_alloc(PC_ELAPSED, "fw att control")), + _nonfinite_input_perf(perf_alloc(PC_COUNT, "fw att control nonfinite input")), + _nonfinite_output_perf(perf_alloc(PC_COUNT, "fw att control nonfinite output")), /* states */ _setpoint_valid(false) { @@ -387,6 +391,10 @@ FixedwingAttitudeControl::~FixedwingAttitudeControl() } while (_control_task != -1); } + perf_free(_loop_perf); + perf_free(_nonfinite_input_perf); + perf_free(_nonfinite_output_perf); + att_control::g_control = nullptr; } @@ -592,6 +600,8 @@ FixedwingAttitudeControl::task_main() while (!_task_should_exit) { + static int loop_counter = 0; + /* wait for up to 500ms for data */ int pret = poll(&fds[0], (sizeof(fds) / sizeof(fds[0])), 100); @@ -672,10 +682,12 @@ FixedwingAttitudeControl::task_main() float airspeed; /* if airspeed is not updating, we assume the normal average speed */ - if (!isfinite(_airspeed.true_airspeed_m_s) || + if (bool nonfinite = !isfinite(_airspeed.true_airspeed_m_s) || hrt_elapsed_time(&_airspeed.timestamp) > 1e6) { airspeed = _parameters.airspeed_trim; - + if (nonfinite) { + perf_count(_nonfinite_input_perf); + } } else { airspeed = _airspeed.true_airspeed_m_s; } @@ -706,20 +718,21 @@ FixedwingAttitudeControl::task_main() } else { /* * Scale down roll and pitch as the setpoints are radians - * and a typical remote can only do 45 degrees, the mapping is - * -1..+1 to -45..+45 degrees or -0.75..+0.75 radians. + * and a typical remote can only do around 45 degrees, the mapping is + * -1..+1 to -man_roll_max rad..+man_roll_max rad (equivalent for pitch) * * With this mapping the stick angle is a 1:1 representation of - * the commanded attitude. If more than 45 degrees are desired, - * a scaling parameter can be applied to the remote. + * the commanded attitude. * * The trim gets subtracted here from the manual setpoint to get * the intended attitude setpoint. Later, after the rate control step the * trim is added again to the control signal. */ - roll_sp = (_manual.roll * _parameters.man_roll_max - _parameters.trim_roll) + _parameters.rollsp_offset_rad; - pitch_sp = (-_manual.pitch * _parameters.man_pitch_max - _parameters.trim_pitch) + _parameters.pitchsp_offset_rad; - throttle_sp = _manual.throttle; + roll_sp = (_manual.y * _parameters.man_roll_max - _parameters.trim_roll) + + _parameters.rollsp_offset_rad; + pitch_sp = -(_manual.x * _parameters.man_pitch_max - _parameters.trim_pitch) + + _parameters.pitchsp_offset_rad; + throttle_sp = _manual.z; _actuators.control[4] = _manual.flaps; /* @@ -754,7 +767,9 @@ FixedwingAttitudeControl::task_main() speed_body_v = _att.R[0][1] * _global_pos.vel_n + _att.R[1][1] * _global_pos.vel_e + _att.R[2][1] * _global_pos.vel_d; speed_body_w = _att.R[0][2] * _global_pos.vel_n + _att.R[1][2] * _global_pos.vel_e + _att.R[2][2] * _global_pos.vel_d; } else { - warnx("Did not get a valid R\n"); + if (loop_counter % 10 == 0) { + warnx("Did not get a valid R\n"); + } } /* Run attitude controllers */ @@ -772,7 +787,12 @@ FixedwingAttitudeControl::task_main() _parameters.airspeed_min, _parameters.airspeed_max, airspeed, airspeed_scaling, lock_integrator); _actuators.control[0] = (isfinite(roll_u)) ? roll_u + _parameters.trim_roll : _parameters.trim_roll; if (!isfinite(roll_u)) { - warnx("roll_u %.4f", roll_u); + _roll_ctrl.reset_integrator(); + perf_count(_nonfinite_output_perf); + + if (loop_counter % 10 == 0) { + warnx("roll_u %.4f", (double)roll_u); + } } float pitch_u = _pitch_ctrl.control_bodyrate(_att.roll, _att.pitch, @@ -781,8 +801,22 @@ FixedwingAttitudeControl::task_main() _parameters.airspeed_min, _parameters.airspeed_max, airspeed, airspeed_scaling, lock_integrator); _actuators.control[1] = (isfinite(pitch_u)) ? pitch_u + _parameters.trim_pitch : _parameters.trim_pitch; if (!isfinite(pitch_u)) { - warnx("pitch_u %.4f, _yaw_ctrl.get_desired_rate() %.4f, airspeed %.4f, airspeed_scaling %.4f, roll_sp %.4f, pitch_sp %.4f, _roll_ctrl.get_desired_rate() %.4f, _pitch_ctrl.get_desired_rate() %.4f att_sp.roll_body %.4f", - pitch_u, _yaw_ctrl.get_desired_rate(), airspeed, airspeed_scaling, roll_sp, pitch_sp, _roll_ctrl.get_desired_rate(), _pitch_ctrl.get_desired_rate(), _att_sp.roll_body); + _pitch_ctrl.reset_integrator(); + perf_count(_nonfinite_output_perf); + if (loop_counter % 10 == 0) { + warnx("pitch_u %.4f, _yaw_ctrl.get_desired_rate() %.4f," + " airspeed %.4f, airspeed_scaling %.4f," + " roll_sp %.4f, pitch_sp %.4f," + " _roll_ctrl.get_desired_rate() %.4f," + " _pitch_ctrl.get_desired_rate() %.4f" + " att_sp.roll_body %.4f", + (double)pitch_u, (double)_yaw_ctrl.get_desired_rate(), + (double)airspeed, (double)airspeed_scaling, + (double)roll_sp, (double)pitch_sp, + (double)_roll_ctrl.get_desired_rate(), + (double)_pitch_ctrl.get_desired_rate(), + (double)_att_sp.roll_body); + } } float yaw_u = _yaw_ctrl.control_bodyrate(_att.roll, _att.pitch, @@ -791,16 +825,25 @@ FixedwingAttitudeControl::task_main() _parameters.airspeed_min, _parameters.airspeed_max, airspeed, airspeed_scaling, lock_integrator); _actuators.control[2] = (isfinite(yaw_u)) ? yaw_u + _parameters.trim_yaw : _parameters.trim_yaw; if (!isfinite(yaw_u)) { - warnx("yaw_u %.4f", yaw_u); + _yaw_ctrl.reset_integrator(); + perf_count(_nonfinite_output_perf); + if (loop_counter % 10 == 0) { + warnx("yaw_u %.4f", (double)yaw_u); + } } /* throttle passed through */ _actuators.control[3] = (isfinite(throttle_sp)) ? throttle_sp : 0.0f; if (!isfinite(throttle_sp)) { - warnx("throttle_sp %.4f", throttle_sp); + if (loop_counter % 10 == 0) { + warnx("throttle_sp %.4f", (double)throttle_sp); + } } } else { - warnx("Non-finite setpoint roll_sp: %.4f, pitch_sp %.4f", roll_sp, pitch_sp); + perf_count(_nonfinite_input_perf); + if (loop_counter % 10 == 0) { + warnx("Non-finite setpoint roll_sp: %.4f, pitch_sp %.4f", (double)roll_sp, (double)pitch_sp); + } } /* @@ -825,10 +868,10 @@ FixedwingAttitudeControl::task_main() } else { /* manual/direct control */ - _actuators.control[0] = _manual.roll; - _actuators.control[1] = -_manual.pitch; - _actuators.control[2] = _manual.yaw; - _actuators.control[3] = _manual.throttle; + _actuators.control[0] = _manual.y; + _actuators.control[1] = -_manual.x; + _actuators.control[2] = _manual.r; + _actuators.control[3] = _manual.z; _actuators.control[4] = _manual.flaps; } @@ -864,6 +907,7 @@ FixedwingAttitudeControl::task_main() } + loop_counter++; perf_end(_loop_perf); } diff --git a/src/modules/fw_att_pos_estimator/estimator.cpp b/src/modules/fw_att_pos_estimator/estimator.cpp deleted file mode 100644 index c31217393..000000000 --- a/src/modules/fw_att_pos_estimator/estimator.cpp +++ /dev/null @@ -1,2248 +0,0 @@ -#include "estimator.h" - -#include <string.h> - -float Vector3f::length(void) const -{ - return sqrt(x*x + y*y + z*z); -} - -Vector3f Vector3f::zero(void) const -{ - Vector3f ret = *this; - ret.x = 0.0; - ret.y = 0.0; - ret.z = 0.0; - return ret; -} - -Mat3f::Mat3f() { - x.x = 1.0f; - x.y = 0.0f; - x.z = 0.0f; - - y.x = 0.0f; - y.y = 1.0f; - y.z = 0.0f; - - z.x = 0.0f; - z.y = 0.0f; - z.z = 1.0f; -} - -Mat3f Mat3f::transpose(void) const -{ - Mat3f ret = *this; - swap_var(ret.x.y, ret.y.x); - swap_var(ret.x.z, ret.z.x); - swap_var(ret.y.z, ret.z.y); - return ret; -} - -// overload + operator to provide a vector addition -Vector3f operator+( Vector3f vecIn1, Vector3f vecIn2) -{ - Vector3f vecOut; - vecOut.x = vecIn1.x + vecIn2.x; - vecOut.y = vecIn1.y + vecIn2.y; - vecOut.z = vecIn1.z + vecIn2.z; - return vecOut; -} - -// overload - operator to provide a vector subtraction -Vector3f operator-( Vector3f vecIn1, Vector3f vecIn2) -{ - Vector3f vecOut; - vecOut.x = vecIn1.x - vecIn2.x; - vecOut.y = vecIn1.y - vecIn2.y; - vecOut.z = vecIn1.z - vecIn2.z; - return vecOut; -} - -// overload * operator to provide a matrix vector product -Vector3f operator*( Mat3f matIn, Vector3f vecIn) -{ - Vector3f vecOut; - vecOut.x = matIn.x.x*vecIn.x + matIn.x.y*vecIn.y + matIn.x.z*vecIn.z; - vecOut.y = matIn.y.x*vecIn.x + matIn.y.y*vecIn.y + matIn.y.z*vecIn.z; - vecOut.z = matIn.x.x*vecIn.x + matIn.z.y*vecIn.y + matIn.z.z*vecIn.z; - return vecOut; -} - -// overload % operator to provide a vector cross product -Vector3f operator%( Vector3f vecIn1, Vector3f vecIn2) -{ - Vector3f vecOut; - vecOut.x = vecIn1.y*vecIn2.z - vecIn1.z*vecIn2.y; - vecOut.y = vecIn1.z*vecIn2.x - vecIn1.x*vecIn2.z; - vecOut.z = vecIn1.x*vecIn2.y - vecIn1.y*vecIn2.x; - return vecOut; -} - -// overload * operator to provide a vector scaler product -Vector3f operator*(Vector3f vecIn1, float sclIn1) -{ - Vector3f vecOut; - vecOut.x = vecIn1.x * sclIn1; - vecOut.y = vecIn1.y * sclIn1; - vecOut.z = vecIn1.z * sclIn1; - return vecOut; -} - -// overload * operator to provide a vector scaler product -Vector3f operator*(float sclIn1, Vector3f vecIn1) -{ - Vector3f vecOut; - vecOut.x = vecIn1.x * sclIn1; - vecOut.y = vecIn1.y * sclIn1; - vecOut.z = vecIn1.z * sclIn1; - return vecOut; -} - -void swap_var(float &d1, float &d2) -{ - float tmp = d1; - d1 = d2; - d2 = tmp; -} - -AttPosEKF::AttPosEKF() : - fusionModeGPS(0), - covSkipCount(0), - EAS2TAS(1.0f), - statesInitialised(false), - fuseVelData(false), - fusePosData(false), - fuseHgtData(false), - fuseMagData(false), - fuseVtasData(false), - onGround(true), - staticMode(true), - useAirspeed(true), - useCompass(true), - numericalProtection(true), - storeIndex(0) -{ - -} - -AttPosEKF::~AttPosEKF() -{ -} - -void AttPosEKF::UpdateStrapdownEquationsNED() -{ - Vector3f delVelNav; - float q00; - float q11; - float q22; - float q33; - float q01; - float q02; - float q03; - float q12; - float q13; - float q23; - Mat3f Tbn; - Mat3f Tnb; - float rotationMag; - float qUpdated[4]; - float quatMag; - float deltaQuat[4]; - const Vector3f gravityNED = {0.0,0.0,GRAVITY_MSS}; - -// Remove sensor bias errors - correctedDelAng.x = dAngIMU.x - states[10]; - correctedDelAng.y = dAngIMU.y - states[11]; - correctedDelAng.z = dAngIMU.z - states[12]; - dVelIMU.x = dVelIMU.x; - dVelIMU.y = dVelIMU.y; - dVelIMU.z = dVelIMU.z; - -// Save current measurements - Vector3f prevDelAng = correctedDelAng; - -// Apply corrections for earths rotation rate and coning errors -// * and + operators have been overloaded - correctedDelAng = correctedDelAng - Tnb*earthRateNED*dtIMU + 8.333333333333333e-2f*(prevDelAng % correctedDelAng); - -// Convert the rotation vector to its equivalent quaternion - rotationMag = correctedDelAng.length(); - if (rotationMag < 1e-12f) - { - deltaQuat[0] = 1.0; - deltaQuat[1] = 0.0; - deltaQuat[2] = 0.0; - deltaQuat[3] = 0.0; - } - else - { - deltaQuat[0] = cos(0.5f*rotationMag); - float rotScaler = (sin(0.5f*rotationMag))/rotationMag; - deltaQuat[1] = correctedDelAng.x*rotScaler; - deltaQuat[2] = correctedDelAng.y*rotScaler; - deltaQuat[3] = correctedDelAng.z*rotScaler; - } - -// Update the quaternions by rotating from the previous attitude through -// the delta angle rotation quaternion - qUpdated[0] = states[0]*deltaQuat[0] - states[1]*deltaQuat[1] - states[2]*deltaQuat[2] - states[3]*deltaQuat[3]; - qUpdated[1] = states[0]*deltaQuat[1] + states[1]*deltaQuat[0] + states[2]*deltaQuat[3] - states[3]*deltaQuat[2]; - qUpdated[2] = states[0]*deltaQuat[2] + states[2]*deltaQuat[0] + states[3]*deltaQuat[1] - states[1]*deltaQuat[3]; - qUpdated[3] = states[0]*deltaQuat[3] + states[3]*deltaQuat[0] + states[1]*deltaQuat[2] - states[2]*deltaQuat[1]; - -// Normalise the quaternions and update the quaternion states - quatMag = sqrtf(sq(qUpdated[0]) + sq(qUpdated[1]) + sq(qUpdated[2]) + sq(qUpdated[3])); - if (quatMag > 1e-16f) - { - float quatMagInv = 1.0f/quatMag; - states[0] = quatMagInv*qUpdated[0]; - states[1] = quatMagInv*qUpdated[1]; - states[2] = quatMagInv*qUpdated[2]; - states[3] = quatMagInv*qUpdated[3]; - } - -// Calculate the body to nav cosine matrix - q00 = sq(states[0]); - q11 = sq(states[1]); - q22 = sq(states[2]); - q33 = sq(states[3]); - q01 = states[0]*states[1]; - q02 = states[0]*states[2]; - q03 = states[0]*states[3]; - q12 = states[1]*states[2]; - q13 = states[1]*states[3]; - q23 = states[2]*states[3]; - - Tbn.x.x = q00 + q11 - q22 - q33; - Tbn.y.y = q00 - q11 + q22 - q33; - Tbn.z.z = q00 - q11 - q22 + q33; - Tbn.x.y = 2*(q12 - q03); - Tbn.x.z = 2*(q13 + q02); - Tbn.y.x = 2*(q12 + q03); - Tbn.y.z = 2*(q23 - q01); - Tbn.z.x = 2*(q13 - q02); - Tbn.z.y = 2*(q23 + q01); - - Tnb = Tbn.transpose(); - -// transform body delta velocities to delta velocities in the nav frame -// * and + operators have been overloaded - //delVelNav = Tbn*dVelIMU + gravityNED*dtIMU; - delVelNav.x = Tbn.x.x*dVelIMU.x + Tbn.x.y*dVelIMU.y + Tbn.x.z*dVelIMU.z + gravityNED.x*dtIMU; - delVelNav.y = Tbn.y.x*dVelIMU.x + Tbn.y.y*dVelIMU.y + Tbn.y.z*dVelIMU.z + gravityNED.y*dtIMU; - delVelNav.z = Tbn.z.x*dVelIMU.x + Tbn.z.y*dVelIMU.y + Tbn.z.z*dVelIMU.z + gravityNED.z*dtIMU; - -// calculate the magnitude of the nav acceleration (required for GPS -// variance estimation) - accNavMag = delVelNav.length()/dtIMU; - -// If calculating position save previous velocity - float lastVelocity[3]; - lastVelocity[0] = states[4]; - lastVelocity[1] = states[5]; - lastVelocity[2] = states[6]; - -// Sum delta velocities to get velocity - states[4] = states[4] + delVelNav.x; - states[5] = states[5] + delVelNav.y; - states[6] = states[6] + delVelNav.z; - -// If calculating postions, do a trapezoidal integration for position - states[7] = states[7] + 0.5f*(states[4] + lastVelocity[0])*dtIMU; - states[8] = states[8] + 0.5f*(states[5] + lastVelocity[1])*dtIMU; - states[9] = states[9] + 0.5f*(states[6] + lastVelocity[2])*dtIMU; - - // Constrain states (to protect against filter divergence) - ConstrainStates(); -} - -void AttPosEKF::CovariancePrediction(float dt) -{ - // scalars - float windVelSigma; - float dAngBiasSigma; - // float dVelBiasSigma; - float magEarthSigma; - float magBodySigma; - float daxCov; - float dayCov; - float dazCov; - float dvxCov; - float dvyCov; - float dvzCov; - float dvx; - float dvy; - float dvz; - float dax; - float day; - float daz; - float q0; - float q1; - float q2; - float q3; - float dax_b; - float day_b; - float daz_b; - - // arrays - float processNoise[21]; - float SF[14]; - float SG[8]; - float SQ[11]; - float SPP[13] = {0}; - float nextP[21][21]; - - // calculate covariance prediction process noise - const float yawVarScale = 1.0f; - windVelSigma = dt*0.1f; - dAngBiasSigma = dt*5.0e-7f; - magEarthSigma = dt*3.0e-4f; - magBodySigma = dt*3.0e-4f; - for (uint8_t i= 0; i<=9; i++) processNoise[i] = 1.0e-9f; - for (uint8_t i=10; i<=12; i++) processNoise[i] = dAngBiasSigma; - if (onGround) processNoise[12] = dAngBiasSigma * yawVarScale; - for (uint8_t i=13; i<=14; i++) processNoise[i] = windVelSigma; - for (uint8_t i=15; i<=17; i++) processNoise[i] = magEarthSigma; - for (uint8_t i=18; i<=20; i++) processNoise[i] = magBodySigma; - for (uint8_t i= 0; i<=20; i++) processNoise[i] = sq(processNoise[i]); - - // set variables used to calculate covariance growth - dvx = summedDelVel.x; - dvy = summedDelVel.y; - dvz = summedDelVel.z; - dax = summedDelAng.x; - day = summedDelAng.y; - daz = summedDelAng.z; - q0 = states[0]; - q1 = states[1]; - q2 = states[2]; - q3 = states[3]; - dax_b = states[10]; - day_b = states[11]; - daz_b = states[12]; - daxCov = sq(dt*1.4544411e-2f); - dayCov = sq(dt*1.4544411e-2f); - dazCov = sq(dt*1.4544411e-2f); - if (onGround) dazCov = dazCov * sq(yawVarScale); - dvxCov = sq(dt*0.5f); - dvyCov = sq(dt*0.5f); - dvzCov = sq(dt*0.5f); - - // Predicted covariance calculation - SF[0] = 2*dvx*q1 + 2*dvy*q2 + 2*dvz*q3; - SF[1] = 2*dvx*q3 + 2*dvy*q0 - 2*dvz*q1; - SF[2] = 2*dvx*q0 - 2*dvy*q3 + 2*dvz*q2; - SF[3] = day/2 - day_b/2; - SF[4] = daz/2 - daz_b/2; - SF[5] = dax/2 - dax_b/2; - SF[6] = dax_b/2 - dax/2; - SF[7] = daz_b/2 - daz/2; - SF[8] = day_b/2 - day/2; - SF[9] = q1/2; - SF[10] = q2/2; - SF[11] = q3/2; - SF[12] = 2*dvz*q0; - SF[13] = 2*dvy*q1; - - SG[0] = q0/2; - SG[1] = sq(q3); - SG[2] = sq(q2); - SG[3] = sq(q1); - SG[4] = sq(q0); - SG[5] = 2*q2*q3; - SG[6] = 2*q1*q3; - SG[7] = 2*q1*q2; - - SQ[0] = dvzCov*(SG[5] - 2*q0*q1)*(SG[1] - SG[2] - SG[3] + SG[4]) - dvyCov*(SG[5] + 2*q0*q1)*(SG[1] - SG[2] + SG[3] - SG[4]) + dvxCov*(SG[6] - 2*q0*q2)*(SG[7] + 2*q0*q3); - SQ[1] = dvzCov*(SG[6] + 2*q0*q2)*(SG[1] - SG[2] - SG[3] + SG[4]) - dvxCov*(SG[6] - 2*q0*q2)*(SG[1] + SG[2] - SG[3] - SG[4]) + dvyCov*(SG[5] + 2*q0*q1)*(SG[7] - 2*q0*q3); - SQ[2] = dvzCov*(SG[5] - 2*q0*q1)*(SG[6] + 2*q0*q2) - dvyCov*(SG[7] - 2*q0*q3)*(SG[1] - SG[2] + SG[3] - SG[4]) - dvxCov*(SG[7] + 2*q0*q3)*(SG[1] + SG[2] - SG[3] - SG[4]); - SQ[3] = (dayCov*q1*SG[0])/2 - (dazCov*q1*SG[0])/2 - (daxCov*q2*q3)/4; - SQ[4] = (dazCov*q2*SG[0])/2 - (daxCov*q2*SG[0])/2 - (dayCov*q1*q3)/4; - SQ[5] = (daxCov*q3*SG[0])/2 - (dayCov*q3*SG[0])/2 - (dazCov*q1*q2)/4; - SQ[6] = (daxCov*q1*q2)/4 - (dazCov*q3*SG[0])/2 - (dayCov*q1*q2)/4; - SQ[7] = (dazCov*q1*q3)/4 - (daxCov*q1*q3)/4 - (dayCov*q2*SG[0])/2; - SQ[8] = (dayCov*q2*q3)/4 - (daxCov*q1*SG[0])/2 - (dazCov*q2*q3)/4; - SQ[9] = sq(SG[0]); - SQ[10] = sq(q1); - - SPP[0] = SF[12] + SF[13] - 2*dvx*q2; - SPP[1] = 2*dvx*q0 - 2*dvy*q3 + 2*dvz*q2; - SPP[2] = 2*dvx*q3 + 2*dvy*q0 - 2*dvz*q1; - SPP[3] = SF[11]; - SPP[4] = SF[10]; - SPP[5] = SF[9]; - SPP[6] = SF[7]; - SPP[7] = SF[8]; - - nextP[0][0] = P[0][0] + P[1][0]*SF[6] + P[2][0]*SPP[7] + P[3][0]*SPP[6] + P[10][0]*SPP[5] + P[11][0]*SPP[4] + P[12][0]*SPP[3] + (daxCov*SQ[10])/4 + SF[6]*(P[0][1] + P[1][1]*SF[6] + P[2][1]*SPP[7] + P[3][1]*SPP[6] + P[10][1]*SPP[5] + P[11][1]*SPP[4] + P[12][1]*SPP[3]) + SPP[7]*(P[0][2] + P[1][2]*SF[6] + P[2][2]*SPP[7] + P[3][2]*SPP[6] + P[10][2]*SPP[5] + P[11][2]*SPP[4] + P[12][2]*SPP[3]) + SPP[6]*(P[0][3] + P[1][3]*SF[6] + P[2][3]*SPP[7] + P[3][3]*SPP[6] + P[10][3]*SPP[5] + P[11][3]*SPP[4] + P[12][3]*SPP[3]) + SPP[5]*(P[0][10] + P[1][10]*SF[6] + P[2][10]*SPP[7] + P[3][10]*SPP[6] + P[10][10]*SPP[5] + P[11][10]*SPP[4] + P[12][10]*SPP[3]) + SPP[4]*(P[0][11] + P[1][11]*SF[6] + P[2][11]*SPP[7] + P[3][11]*SPP[6] + P[10][11]*SPP[5] + P[11][11]*SPP[4] + P[12][11]*SPP[3]) + SPP[3]*(P[0][12] + P[1][12]*SF[6] + P[2][12]*SPP[7] + P[3][12]*SPP[6] + P[10][12]*SPP[5] + P[11][12]*SPP[4] + P[12][12]*SPP[3]) + (dayCov*sq(q2))/4 + (dazCov*sq(q3))/4; - nextP[0][1] = P[0][1] + SQ[8] + P[1][1]*SF[6] + P[2][1]*SPP[7] + P[3][1]*SPP[6] + P[10][1]*SPP[5] + P[11][1]*SPP[4] + P[12][1]*SPP[3] + SF[5]*(P[0][0] + P[1][0]*SF[6] + P[2][0]*SPP[7] + P[3][0]*SPP[6] + P[10][0]*SPP[5] + P[11][0]*SPP[4] + P[12][0]*SPP[3]) + SF[4]*(P[0][2] + P[1][2]*SF[6] + P[2][2]*SPP[7] + P[3][2]*SPP[6] + P[10][2]*SPP[5] + P[11][2]*SPP[4] + P[12][2]*SPP[3]) + SPP[7]*(P[0][3] + P[1][3]*SF[6] + P[2][3]*SPP[7] + P[3][3]*SPP[6] + P[10][3]*SPP[5] + P[11][3]*SPP[4] + P[12][3]*SPP[3]) + SPP[3]*(P[0][11] + P[1][11]*SF[6] + P[2][11]*SPP[7] + P[3][11]*SPP[6] + P[10][11]*SPP[5] + P[11][11]*SPP[4] + P[12][11]*SPP[3]) - SPP[4]*(P[0][12] + P[1][12]*SF[6] + P[2][12]*SPP[7] + P[3][12]*SPP[6] + P[10][12]*SPP[5] + P[11][12]*SPP[4] + P[12][12]*SPP[3]) - (q0*(P[0][10] + P[1][10]*SF[6] + P[2][10]*SPP[7] + P[3][10]*SPP[6] + P[10][10]*SPP[5] + P[11][10]*SPP[4] + P[12][10]*SPP[3]))/2; - nextP[0][2] = P[0][2] + SQ[7] + P[1][2]*SF[6] + P[2][2]*SPP[7] + P[3][2]*SPP[6] + P[10][2]*SPP[5] + P[11][2]*SPP[4] + P[12][2]*SPP[3] + SF[3]*(P[0][0] + P[1][0]*SF[6] + P[2][0]*SPP[7] + P[3][0]*SPP[6] + P[10][0]*SPP[5] + P[11][0]*SPP[4] + P[12][0]*SPP[3]) + SF[5]*(P[0][3] + P[1][3]*SF[6] + P[2][3]*SPP[7] + P[3][3]*SPP[6] + P[10][3]*SPP[5] + P[11][3]*SPP[4] + P[12][3]*SPP[3]) + SPP[6]*(P[0][1] + P[1][1]*SF[6] + P[2][1]*SPP[7] + P[3][1]*SPP[6] + P[10][1]*SPP[5] + P[11][1]*SPP[4] + P[12][1]*SPP[3]) - SPP[3]*(P[0][10] + P[1][10]*SF[6] + P[2][10]*SPP[7] + P[3][10]*SPP[6] + P[10][10]*SPP[5] + P[11][10]*SPP[4] + P[12][10]*SPP[3]) + SPP[5]*(P[0][12] + P[1][12]*SF[6] + P[2][12]*SPP[7] + P[3][12]*SPP[6] + P[10][12]*SPP[5] + P[11][12]*SPP[4] + P[12][12]*SPP[3]) - (q0*(P[0][11] + P[1][11]*SF[6] + P[2][11]*SPP[7] + P[3][11]*SPP[6] + P[10][11]*SPP[5] + P[11][11]*SPP[4] + P[12][11]*SPP[3]))/2; - nextP[0][3] = P[0][3] + SQ[6] + P[1][3]*SF[6] + P[2][3]*SPP[7] + P[3][3]*SPP[6] + P[10][3]*SPP[5] + P[11][3]*SPP[4] + P[12][3]*SPP[3] + SF[4]*(P[0][0] + P[1][0]*SF[6] + P[2][0]*SPP[7] + P[3][0]*SPP[6] + P[10][0]*SPP[5] + P[11][0]*SPP[4] + P[12][0]*SPP[3]) + SF[3]*(P[0][1] + P[1][1]*SF[6] + P[2][1]*SPP[7] + P[3][1]*SPP[6] + P[10][1]*SPP[5] + P[11][1]*SPP[4] + P[12][1]*SPP[3]) + SF[6]*(P[0][2] + P[1][2]*SF[6] + P[2][2]*SPP[7] + P[3][2]*SPP[6] + P[10][2]*SPP[5] + P[11][2]*SPP[4] + P[12][2]*SPP[3]) + SPP[4]*(P[0][10] + P[1][10]*SF[6] + P[2][10]*SPP[7] + P[3][10]*SPP[6] + P[10][10]*SPP[5] + P[11][10]*SPP[4] + P[12][10]*SPP[3]) - SPP[5]*(P[0][11] + P[1][11]*SF[6] + P[2][11]*SPP[7] + P[3][11]*SPP[6] + P[10][11]*SPP[5] + P[11][11]*SPP[4] + P[12][11]*SPP[3]) - (q0*(P[0][12] + P[1][12]*SF[6] + P[2][12]*SPP[7] + P[3][12]*SPP[6] + P[10][12]*SPP[5] + P[11][12]*SPP[4] + P[12][12]*SPP[3]))/2; - nextP[0][4] = P[0][4] + P[1][4]*SF[6] + P[2][4]*SPP[7] + P[3][4]*SPP[6] + P[10][4]*SPP[5] + P[11][4]*SPP[4] + P[12][4]*SPP[3] + SF[2]*(P[0][0] + P[1][0]*SF[6] + P[2][0]*SPP[7] + P[3][0]*SPP[6] + P[10][0]*SPP[5] + P[11][0]*SPP[4] + P[12][0]*SPP[3]) + SF[0]*(P[0][1] + P[1][1]*SF[6] + P[2][1]*SPP[7] + P[3][1]*SPP[6] + P[10][1]*SPP[5] + P[11][1]*SPP[4] + P[12][1]*SPP[3]) + SPP[0]*(P[0][2] + P[1][2]*SF[6] + P[2][2]*SPP[7] + P[3][2]*SPP[6] + P[10][2]*SPP[5] + P[11][2]*SPP[4] + P[12][2]*SPP[3]) - SPP[2]*(P[0][3] + P[1][3]*SF[6] + P[2][3]*SPP[7] + P[3][3]*SPP[6] + P[10][3]*SPP[5] + P[11][3]*SPP[4] + P[12][3]*SPP[3]); - nextP[0][5] = P[0][5] + P[1][5]*SF[6] + P[2][5]*SPP[7] + P[3][5]*SPP[6] + P[10][5]*SPP[5] + P[11][5]*SPP[4] + P[12][5]*SPP[3] + SF[1]*(P[0][0] + P[1][0]*SF[6] + P[2][0]*SPP[7] + P[3][0]*SPP[6] + P[10][0]*SPP[5] + P[11][0]*SPP[4] + P[12][0]*SPP[3]) + SF[0]*(P[0][2] + P[1][2]*SF[6] + P[2][2]*SPP[7] + P[3][2]*SPP[6] + P[10][2]*SPP[5] + P[11][2]*SPP[4] + P[12][2]*SPP[3]) + SF[2]*(P[0][3] + P[1][3]*SF[6] + P[2][3]*SPP[7] + P[3][3]*SPP[6] + P[10][3]*SPP[5] + P[11][3]*SPP[4] + P[12][3]*SPP[3]) - SPP[0]*(P[0][1] + P[1][1]*SF[6] + P[2][1]*SPP[7] + P[3][1]*SPP[6] + P[10][1]*SPP[5] + P[11][1]*SPP[4] + P[12][1]*SPP[3]); - nextP[0][6] = P[0][6] + P[1][6]*SF[6] + P[2][6]*SPP[7] + P[3][6]*SPP[6] + P[10][6]*SPP[5] + P[11][6]*SPP[4] + P[12][6]*SPP[3] + SF[1]*(P[0][1] + P[1][1]*SF[6] + P[2][1]*SPP[7] + P[3][1]*SPP[6] + P[10][1]*SPP[5] + P[11][1]*SPP[4] + P[12][1]*SPP[3]) + SF[0]*(P[0][3] + P[1][3]*SF[6] + P[2][3]*SPP[7] + P[3][3]*SPP[6] + P[10][3]*SPP[5] + P[11][3]*SPP[4] + P[12][3]*SPP[3]) + SPP[0]*(P[0][0] + P[1][0]*SF[6] + P[2][0]*SPP[7] + P[3][0]*SPP[6] + P[10][0]*SPP[5] + P[11][0]*SPP[4] + P[12][0]*SPP[3]) - SPP[1]*(P[0][2] + P[1][2]*SF[6] + P[2][2]*SPP[7] + P[3][2]*SPP[6] + P[10][2]*SPP[5] + P[11][2]*SPP[4] + P[12][2]*SPP[3]); - nextP[0][7] = P[0][7] + P[1][7]*SF[6] + P[2][7]*SPP[7] + P[3][7]*SPP[6] + P[10][7]*SPP[5] + P[11][7]*SPP[4] + P[12][7]*SPP[3] + dt*(P[0][4] + P[1][4]*SF[6] + P[2][4]*SPP[7] + P[3][4]*SPP[6] + P[10][4]*SPP[5] + P[11][4]*SPP[4] + P[12][4]*SPP[3]); - nextP[0][8] = P[0][8] + P[1][8]*SF[6] + P[2][8]*SPP[7] + P[3][8]*SPP[6] + P[10][8]*SPP[5] + P[11][8]*SPP[4] + P[12][8]*SPP[3] + dt*(P[0][5] + P[1][5]*SF[6] + P[2][5]*SPP[7] + P[3][5]*SPP[6] + P[10][5]*SPP[5] + P[11][5]*SPP[4] + P[12][5]*SPP[3]); - nextP[0][9] = P[0][9] + P[1][9]*SF[6] + P[2][9]*SPP[7] + P[3][9]*SPP[6] + P[10][9]*SPP[5] + P[11][9]*SPP[4] + P[12][9]*SPP[3] + dt*(P[0][6] + P[1][6]*SF[6] + P[2][6]*SPP[7] + P[3][6]*SPP[6] + P[10][6]*SPP[5] + P[11][6]*SPP[4] + P[12][6]*SPP[3]); - nextP[0][10] = P[0][10] + P[1][10]*SF[6] + P[2][10]*SPP[7] + P[3][10]*SPP[6] + P[10][10]*SPP[5] + P[11][10]*SPP[4] + P[12][10]*SPP[3]; - nextP[0][11] = P[0][11] + P[1][11]*SF[6] + P[2][11]*SPP[7] + P[3][11]*SPP[6] + P[10][11]*SPP[5] + P[11][11]*SPP[4] + P[12][11]*SPP[3]; - nextP[0][12] = P[0][12] + P[1][12]*SF[6] + P[2][12]*SPP[7] + P[3][12]*SPP[6] + P[10][12]*SPP[5] + P[11][12]*SPP[4] + P[12][12]*SPP[3]; - nextP[0][13] = P[0][13] + P[1][13]*SF[6] + P[2][13]*SPP[7] + P[3][13]*SPP[6] + P[10][13]*SPP[5] + P[11][13]*SPP[4] + P[12][13]*SPP[3]; - nextP[0][14] = P[0][14] + P[1][14]*SF[6] + P[2][14]*SPP[7] + P[3][14]*SPP[6] + P[10][14]*SPP[5] + P[11][14]*SPP[4] + P[12][14]*SPP[3]; - nextP[0][15] = P[0][15] + P[1][15]*SF[6] + P[2][15]*SPP[7] + P[3][15]*SPP[6] + P[10][15]*SPP[5] + P[11][15]*SPP[4] + P[12][15]*SPP[3]; - nextP[0][16] = P[0][16] + P[1][16]*SF[6] + P[2][16]*SPP[7] + P[3][16]*SPP[6] + P[10][16]*SPP[5] + P[11][16]*SPP[4] + P[12][16]*SPP[3]; - nextP[0][17] = P[0][17] + P[1][17]*SF[6] + P[2][17]*SPP[7] + P[3][17]*SPP[6] + P[10][17]*SPP[5] + P[11][17]*SPP[4] + P[12][17]*SPP[3]; - nextP[0][18] = P[0][18] + P[1][18]*SF[6] + P[2][18]*SPP[7] + P[3][18]*SPP[6] + P[10][18]*SPP[5] + P[11][18]*SPP[4] + P[12][18]*SPP[3]; - nextP[0][19] = P[0][19] + P[1][19]*SF[6] + P[2][19]*SPP[7] + P[3][19]*SPP[6] + P[10][19]*SPP[5] + P[11][19]*SPP[4] + P[12][19]*SPP[3]; - nextP[0][20] = P[0][20] + P[1][20]*SF[6] + P[2][20]*SPP[7] + P[3][20]*SPP[6] + P[10][20]*SPP[5] + P[11][20]*SPP[4] + P[12][20]*SPP[3]; - nextP[1][0] = P[1][0] + SQ[8] + P[0][0]*SF[5] + P[2][0]*SF[4] + P[3][0]*SPP[7] + P[11][0]*SPP[3] - P[12][0]*SPP[4] - (P[10][0]*q0)/2 + SF[6]*(P[1][1] + P[0][1]*SF[5] + P[2][1]*SF[4] + P[3][1]*SPP[7] + P[11][1]*SPP[3] - P[12][1]*SPP[4] - (P[10][1]*q0)/2) + SPP[7]*(P[1][2] + P[0][2]*SF[5] + P[2][2]*SF[4] + P[3][2]*SPP[7] + P[11][2]*SPP[3] - P[12][2]*SPP[4] - (P[10][2]*q0)/2) + SPP[6]*(P[1][3] + P[0][3]*SF[5] + P[2][3]*SF[4] + P[3][3]*SPP[7] + P[11][3]*SPP[3] - P[12][3]*SPP[4] - (P[10][3]*q0)/2) + SPP[5]*(P[1][10] + P[0][10]*SF[5] + P[2][10]*SF[4] + P[3][10]*SPP[7] + P[11][10]*SPP[3] - P[12][10]*SPP[4] - (P[10][10]*q0)/2) + SPP[4]*(P[1][11] + P[0][11]*SF[5] + P[2][11]*SF[4] + P[3][11]*SPP[7] + P[11][11]*SPP[3] - P[12][11]*SPP[4] - (P[10][11]*q0)/2) + SPP[3]*(P[1][12] + P[0][12]*SF[5] + P[2][12]*SF[4] + P[3][12]*SPP[7] + P[11][12]*SPP[3] - P[12][12]*SPP[4] - (P[10][12]*q0)/2); - nextP[1][1] = P[1][1] + P[0][1]*SF[5] + P[2][1]*SF[4] + P[3][1]*SPP[7] + P[11][1]*SPP[3] - P[12][1]*SPP[4] + daxCov*SQ[9] - (P[10][1]*q0)/2 + SF[5]*(P[1][0] + P[0][0]*SF[5] + P[2][0]*SF[4] + P[3][0]*SPP[7] + P[11][0]*SPP[3] - P[12][0]*SPP[4] - (P[10][0]*q0)/2) + SF[4]*(P[1][2] + P[0][2]*SF[5] + P[2][2]*SF[4] + P[3][2]*SPP[7] + P[11][2]*SPP[3] - P[12][2]*SPP[4] - (P[10][2]*q0)/2) + SPP[7]*(P[1][3] + P[0][3]*SF[5] + P[2][3]*SF[4] + P[3][3]*SPP[7] + P[11][3]*SPP[3] - P[12][3]*SPP[4] - (P[10][3]*q0)/2) + SPP[3]*(P[1][11] + P[0][11]*SF[5] + P[2][11]*SF[4] + P[3][11]*SPP[7] + P[11][11]*SPP[3] - P[12][11]*SPP[4] - (P[10][11]*q0)/2) - SPP[4]*(P[1][12] + P[0][12]*SF[5] + P[2][12]*SF[4] + P[3][12]*SPP[7] + P[11][12]*SPP[3] - P[12][12]*SPP[4] - (P[10][12]*q0)/2) + (dayCov*sq(q3))/4 + (dazCov*sq(q2))/4 - (q0*(P[1][10] + P[0][10]*SF[5] + P[2][10]*SF[4] + P[3][10]*SPP[7] + P[11][10]*SPP[3] - P[12][10]*SPP[4] - (P[10][10]*q0)/2))/2; - nextP[1][2] = P[1][2] + SQ[5] + P[0][2]*SF[5] + P[2][2]*SF[4] + P[3][2]*SPP[7] + P[11][2]*SPP[3] - P[12][2]*SPP[4] - (P[10][2]*q0)/2 + SF[3]*(P[1][0] + P[0][0]*SF[5] + P[2][0]*SF[4] + P[3][0]*SPP[7] + P[11][0]*SPP[3] - P[12][0]*SPP[4] - (P[10][0]*q0)/2) + SF[5]*(P[1][3] + P[0][3]*SF[5] + P[2][3]*SF[4] + P[3][3]*SPP[7] + P[11][3]*SPP[3] - P[12][3]*SPP[4] - (P[10][3]*q0)/2) + SPP[6]*(P[1][1] + P[0][1]*SF[5] + P[2][1]*SF[4] + P[3][1]*SPP[7] + P[11][1]*SPP[3] - P[12][1]*SPP[4] - (P[10][1]*q0)/2) - SPP[3]*(P[1][10] + P[0][10]*SF[5] + P[2][10]*SF[4] + P[3][10]*SPP[7] + P[11][10]*SPP[3] - P[12][10]*SPP[4] - (P[10][10]*q0)/2) + SPP[5]*(P[1][12] + P[0][12]*SF[5] + P[2][12]*SF[4] + P[3][12]*SPP[7] + P[11][12]*SPP[3] - P[12][12]*SPP[4] - (P[10][12]*q0)/2) - (q0*(P[1][11] + P[0][11]*SF[5] + P[2][11]*SF[4] + P[3][11]*SPP[7] + P[11][11]*SPP[3] - P[12][11]*SPP[4] - (P[10][11]*q0)/2))/2; - nextP[1][3] = P[1][3] + SQ[4] + P[0][3]*SF[5] + P[2][3]*SF[4] + P[3][3]*SPP[7] + P[11][3]*SPP[3] - P[12][3]*SPP[4] - (P[10][3]*q0)/2 + SF[4]*(P[1][0] + P[0][0]*SF[5] + P[2][0]*SF[4] + P[3][0]*SPP[7] + P[11][0]*SPP[3] - P[12][0]*SPP[4] - (P[10][0]*q0)/2) + SF[3]*(P[1][1] + P[0][1]*SF[5] + P[2][1]*SF[4] + P[3][1]*SPP[7] + P[11][1]*SPP[3] - P[12][1]*SPP[4] - (P[10][1]*q0)/2) + SF[6]*(P[1][2] + P[0][2]*SF[5] + P[2][2]*SF[4] + P[3][2]*SPP[7] + P[11][2]*SPP[3] - P[12][2]*SPP[4] - (P[10][2]*q0)/2) + SPP[4]*(P[1][10] + P[0][10]*SF[5] + P[2][10]*SF[4] + P[3][10]*SPP[7] + P[11][10]*SPP[3] - P[12][10]*SPP[4] - (P[10][10]*q0)/2) - SPP[5]*(P[1][11] + P[0][11]*SF[5] + P[2][11]*SF[4] + P[3][11]*SPP[7] + P[11][11]*SPP[3] - P[12][11]*SPP[4] - (P[10][11]*q0)/2) - (q0*(P[1][12] + P[0][12]*SF[5] + P[2][12]*SF[4] + P[3][12]*SPP[7] + P[11][12]*SPP[3] - P[12][12]*SPP[4] - (P[10][12]*q0)/2))/2; - nextP[1][4] = P[1][4] + P[0][4]*SF[5] + P[2][4]*SF[4] + P[3][4]*SPP[7] + P[11][4]*SPP[3] - P[12][4]*SPP[4] - (P[10][4]*q0)/2 + SF[2]*(P[1][0] + P[0][0]*SF[5] + P[2][0]*SF[4] + P[3][0]*SPP[7] + P[11][0]*SPP[3] - P[12][0]*SPP[4] - (P[10][0]*q0)/2) + SF[0]*(P[1][1] + P[0][1]*SF[5] + P[2][1]*SF[4] + P[3][1]*SPP[7] + P[11][1]*SPP[3] - P[12][1]*SPP[4] - (P[10][1]*q0)/2) + SPP[0]*(P[1][2] + P[0][2]*SF[5] + P[2][2]*SF[4] + P[3][2]*SPP[7] + P[11][2]*SPP[3] - P[12][2]*SPP[4] - (P[10][2]*q0)/2) - SPP[2]*(P[1][3] + P[0][3]*SF[5] + P[2][3]*SF[4] + P[3][3]*SPP[7] + P[11][3]*SPP[3] - P[12][3]*SPP[4] - (P[10][3]*q0)/2); - nextP[1][5] = P[1][5] + P[0][5]*SF[5] + P[2][5]*SF[4] + P[3][5]*SPP[7] + P[11][5]*SPP[3] - P[12][5]*SPP[4] - (P[10][5]*q0)/2 + SF[1]*(P[1][0] + P[0][0]*SF[5] + P[2][0]*SF[4] + P[3][0]*SPP[7] + P[11][0]*SPP[3] - P[12][0]*SPP[4] - (P[10][0]*q0)/2) + SF[0]*(P[1][2] + P[0][2]*SF[5] + P[2][2]*SF[4] + P[3][2]*SPP[7] + P[11][2]*SPP[3] - P[12][2]*SPP[4] - (P[10][2]*q0)/2) + SF[2]*(P[1][3] + P[0][3]*SF[5] + P[2][3]*SF[4] + P[3][3]*SPP[7] + P[11][3]*SPP[3] - P[12][3]*SPP[4] - (P[10][3]*q0)/2) - SPP[0]*(P[1][1] + P[0][1]*SF[5] + P[2][1]*SF[4] + P[3][1]*SPP[7] + P[11][1]*SPP[3] - P[12][1]*SPP[4] - (P[10][1]*q0)/2); - nextP[1][6] = P[1][6] + P[0][6]*SF[5] + P[2][6]*SF[4] + P[3][6]*SPP[7] + P[11][6]*SPP[3] - P[12][6]*SPP[4] - (P[10][6]*q0)/2 + SF[1]*(P[1][1] + P[0][1]*SF[5] + P[2][1]*SF[4] + P[3][1]*SPP[7] + P[11][1]*SPP[3] - P[12][1]*SPP[4] - (P[10][1]*q0)/2) + SF[0]*(P[1][3] + P[0][3]*SF[5] + P[2][3]*SF[4] + P[3][3]*SPP[7] + P[11][3]*SPP[3] - P[12][3]*SPP[4] - (P[10][3]*q0)/2) + SPP[0]*(P[1][0] + P[0][0]*SF[5] + P[2][0]*SF[4] + P[3][0]*SPP[7] + P[11][0]*SPP[3] - P[12][0]*SPP[4] - (P[10][0]*q0)/2) - SPP[1]*(P[1][2] + P[0][2]*SF[5] + P[2][2]*SF[4] + P[3][2]*SPP[7] + P[11][2]*SPP[3] - P[12][2]*SPP[4] - (P[10][2]*q0)/2); - nextP[1][7] = P[1][7] + P[0][7]*SF[5] + P[2][7]*SF[4] + P[3][7]*SPP[7] + P[11][7]*SPP[3] - P[12][7]*SPP[4] - (P[10][7]*q0)/2 + dt*(P[1][4] + P[0][4]*SF[5] + P[2][4]*SF[4] + P[3][4]*SPP[7] + P[11][4]*SPP[3] - P[12][4]*SPP[4] - (P[10][4]*q0)/2); - nextP[1][8] = P[1][8] + P[0][8]*SF[5] + P[2][8]*SF[4] + P[3][8]*SPP[7] + P[11][8]*SPP[3] - P[12][8]*SPP[4] - (P[10][8]*q0)/2 + dt*(P[1][5] + P[0][5]*SF[5] + P[2][5]*SF[4] + P[3][5]*SPP[7] + P[11][5]*SPP[3] - P[12][5]*SPP[4] - (P[10][5]*q0)/2); - nextP[1][9] = P[1][9] + P[0][9]*SF[5] + P[2][9]*SF[4] + P[3][9]*SPP[7] + P[11][9]*SPP[3] - P[12][9]*SPP[4] - (P[10][9]*q0)/2 + dt*(P[1][6] + P[0][6]*SF[5] + P[2][6]*SF[4] + P[3][6]*SPP[7] + P[11][6]*SPP[3] - P[12][6]*SPP[4] - (P[10][6]*q0)/2); - nextP[1][10] = P[1][10] + P[0][10]*SF[5] + P[2][10]*SF[4] + P[3][10]*SPP[7] + P[11][10]*SPP[3] - P[12][10]*SPP[4] - (P[10][10]*q0)/2; - nextP[1][11] = P[1][11] + P[0][11]*SF[5] + P[2][11]*SF[4] + P[3][11]*SPP[7] + P[11][11]*SPP[3] - P[12][11]*SPP[4] - (P[10][11]*q0)/2; - nextP[1][12] = P[1][12] + P[0][12]*SF[5] + P[2][12]*SF[4] + P[3][12]*SPP[7] + P[11][12]*SPP[3] - P[12][12]*SPP[4] - (P[10][12]*q0)/2; - nextP[1][13] = P[1][13] + P[0][13]*SF[5] + P[2][13]*SF[4] + P[3][13]*SPP[7] + P[11][13]*SPP[3] - P[12][13]*SPP[4] - (P[10][13]*q0)/2; - nextP[1][14] = P[1][14] + P[0][14]*SF[5] + P[2][14]*SF[4] + P[3][14]*SPP[7] + P[11][14]*SPP[3] - P[12][14]*SPP[4] - (P[10][14]*q0)/2; - nextP[1][15] = P[1][15] + P[0][15]*SF[5] + P[2][15]*SF[4] + P[3][15]*SPP[7] + P[11][15]*SPP[3] - P[12][15]*SPP[4] - (P[10][15]*q0)/2; - nextP[1][16] = P[1][16] + P[0][16]*SF[5] + P[2][16]*SF[4] + P[3][16]*SPP[7] + P[11][16]*SPP[3] - P[12][16]*SPP[4] - (P[10][16]*q0)/2; - nextP[1][17] = P[1][17] + P[0][17]*SF[5] + P[2][17]*SF[4] + P[3][17]*SPP[7] + P[11][17]*SPP[3] - P[12][17]*SPP[4] - (P[10][17]*q0)/2; - nextP[1][18] = P[1][18] + P[0][18]*SF[5] + P[2][18]*SF[4] + P[3][18]*SPP[7] + P[11][18]*SPP[3] - P[12][18]*SPP[4] - (P[10][18]*q0)/2; - nextP[1][19] = P[1][19] + P[0][19]*SF[5] + P[2][19]*SF[4] + P[3][19]*SPP[7] + P[11][19]*SPP[3] - P[12][19]*SPP[4] - (P[10][19]*q0)/2; - nextP[1][20] = P[1][20] + P[0][20]*SF[5] + P[2][20]*SF[4] + P[3][20]*SPP[7] + P[11][20]*SPP[3] - P[12][20]*SPP[4] - (P[10][20]*q0)/2; - nextP[2][0] = P[2][0] + SQ[7] + P[0][0]*SF[3] + P[3][0]*SF[5] + P[1][0]*SPP[6] - P[10][0]*SPP[3] + P[12][0]*SPP[5] - (P[11][0]*q0)/2 + SF[6]*(P[2][1] + P[0][1]*SF[3] + P[3][1]*SF[5] + P[1][1]*SPP[6] - P[10][1]*SPP[3] + P[12][1]*SPP[5] - (P[11][1]*q0)/2) + SPP[7]*(P[2][2] + P[0][2]*SF[3] + P[3][2]*SF[5] + P[1][2]*SPP[6] - P[10][2]*SPP[3] + P[12][2]*SPP[5] - (P[11][2]*q0)/2) + SPP[6]*(P[2][3] + P[0][3]*SF[3] + P[3][3]*SF[5] + P[1][3]*SPP[6] - P[10][3]*SPP[3] + P[12][3]*SPP[5] - (P[11][3]*q0)/2) + SPP[5]*(P[2][10] + P[0][10]*SF[3] + P[3][10]*SF[5] + P[1][10]*SPP[6] - P[10][10]*SPP[3] + P[12][10]*SPP[5] - (P[11][10]*q0)/2) + SPP[4]*(P[2][11] + P[0][11]*SF[3] + P[3][11]*SF[5] + P[1][11]*SPP[6] - P[10][11]*SPP[3] + P[12][11]*SPP[5] - (P[11][11]*q0)/2) + SPP[3]*(P[2][12] + P[0][12]*SF[3] + P[3][12]*SF[5] + P[1][12]*SPP[6] - P[10][12]*SPP[3] + P[12][12]*SPP[5] - (P[11][12]*q0)/2); - nextP[2][1] = P[2][1] + SQ[5] + P[0][1]*SF[3] + P[3][1]*SF[5] + P[1][1]*SPP[6] - P[10][1]*SPP[3] + P[12][1]*SPP[5] - (P[11][1]*q0)/2 + SF[5]*(P[2][0] + P[0][0]*SF[3] + P[3][0]*SF[5] + P[1][0]*SPP[6] - P[10][0]*SPP[3] + P[12][0]*SPP[5] - (P[11][0]*q0)/2) + SF[4]*(P[2][2] + P[0][2]*SF[3] + P[3][2]*SF[5] + P[1][2]*SPP[6] - P[10][2]*SPP[3] + P[12][2]*SPP[5] - (P[11][2]*q0)/2) + SPP[7]*(P[2][3] + P[0][3]*SF[3] + P[3][3]*SF[5] + P[1][3]*SPP[6] - P[10][3]*SPP[3] + P[12][3]*SPP[5] - (P[11][3]*q0)/2) + SPP[3]*(P[2][11] + P[0][11]*SF[3] + P[3][11]*SF[5] + P[1][11]*SPP[6] - P[10][11]*SPP[3] + P[12][11]*SPP[5] - (P[11][11]*q0)/2) - SPP[4]*(P[2][12] + P[0][12]*SF[3] + P[3][12]*SF[5] + P[1][12]*SPP[6] - P[10][12]*SPP[3] + P[12][12]*SPP[5] - (P[11][12]*q0)/2) - (q0*(P[2][10] + P[0][10]*SF[3] + P[3][10]*SF[5] + P[1][10]*SPP[6] - P[10][10]*SPP[3] + P[12][10]*SPP[5] - (P[11][10]*q0)/2))/2; - nextP[2][2] = P[2][2] + P[0][2]*SF[3] + P[3][2]*SF[5] + P[1][2]*SPP[6] - P[10][2]*SPP[3] + P[12][2]*SPP[5] + dayCov*SQ[9] + (dazCov*SQ[10])/4 - (P[11][2]*q0)/2 + SF[3]*(P[2][0] + P[0][0]*SF[3] + P[3][0]*SF[5] + P[1][0]*SPP[6] - P[10][0]*SPP[3] + P[12][0]*SPP[5] - (P[11][0]*q0)/2) + SF[5]*(P[2][3] + P[0][3]*SF[3] + P[3][3]*SF[5] + P[1][3]*SPP[6] - P[10][3]*SPP[3] + P[12][3]*SPP[5] - (P[11][3]*q0)/2) + SPP[6]*(P[2][1] + P[0][1]*SF[3] + P[3][1]*SF[5] + P[1][1]*SPP[6] - P[10][1]*SPP[3] + P[12][1]*SPP[5] - (P[11][1]*q0)/2) - SPP[3]*(P[2][10] + P[0][10]*SF[3] + P[3][10]*SF[5] + P[1][10]*SPP[6] - P[10][10]*SPP[3] + P[12][10]*SPP[5] - (P[11][10]*q0)/2) + SPP[5]*(P[2][12] + P[0][12]*SF[3] + P[3][12]*SF[5] + P[1][12]*SPP[6] - P[10][12]*SPP[3] + P[12][12]*SPP[5] - (P[11][12]*q0)/2) + (daxCov*sq(q3))/4 - (q0*(P[2][11] + P[0][11]*SF[3] + P[3][11]*SF[5] + P[1][11]*SPP[6] - P[10][11]*SPP[3] + P[12][11]*SPP[5] - (P[11][11]*q0)/2))/2; - nextP[2][3] = P[2][3] + SQ[3] + P[0][3]*SF[3] + P[3][3]*SF[5] + P[1][3]*SPP[6] - P[10][3]*SPP[3] + P[12][3]*SPP[5] - (P[11][3]*q0)/2 + SF[4]*(P[2][0] + P[0][0]*SF[3] + P[3][0]*SF[5] + P[1][0]*SPP[6] - P[10][0]*SPP[3] + P[12][0]*SPP[5] - (P[11][0]*q0)/2) + SF[3]*(P[2][1] + P[0][1]*SF[3] + P[3][1]*SF[5] + P[1][1]*SPP[6] - P[10][1]*SPP[3] + P[12][1]*SPP[5] - (P[11][1]*q0)/2) + SF[6]*(P[2][2] + P[0][2]*SF[3] + P[3][2]*SF[5] + P[1][2]*SPP[6] - P[10][2]*SPP[3] + P[12][2]*SPP[5] - (P[11][2]*q0)/2) + SPP[4]*(P[2][10] + P[0][10]*SF[3] + P[3][10]*SF[5] + P[1][10]*SPP[6] - P[10][10]*SPP[3] + P[12][10]*SPP[5] - (P[11][10]*q0)/2) - SPP[5]*(P[2][11] + P[0][11]*SF[3] + P[3][11]*SF[5] + P[1][11]*SPP[6] - P[10][11]*SPP[3] + P[12][11]*SPP[5] - (P[11][11]*q0)/2) - (q0*(P[2][12] + P[0][12]*SF[3] + P[3][12]*SF[5] + P[1][12]*SPP[6] - P[10][12]*SPP[3] + P[12][12]*SPP[5] - (P[11][12]*q0)/2))/2; - nextP[2][4] = P[2][4] + P[0][4]*SF[3] + P[3][4]*SF[5] + P[1][4]*SPP[6] - P[10][4]*SPP[3] + P[12][4]*SPP[5] - (P[11][4]*q0)/2 + SF[2]*(P[2][0] + P[0][0]*SF[3] + P[3][0]*SF[5] + P[1][0]*SPP[6] - P[10][0]*SPP[3] + P[12][0]*SPP[5] - (P[11][0]*q0)/2) + SF[0]*(P[2][1] + P[0][1]*SF[3] + P[3][1]*SF[5] + P[1][1]*SPP[6] - P[10][1]*SPP[3] + P[12][1]*SPP[5] - (P[11][1]*q0)/2) + SPP[0]*(P[2][2] + P[0][2]*SF[3] + P[3][2]*SF[5] + P[1][2]*SPP[6] - P[10][2]*SPP[3] + P[12][2]*SPP[5] - (P[11][2]*q0)/2) - SPP[2]*(P[2][3] + P[0][3]*SF[3] + P[3][3]*SF[5] + P[1][3]*SPP[6] - P[10][3]*SPP[3] + P[12][3]*SPP[5] - (P[11][3]*q0)/2); - nextP[2][5] = P[2][5] + P[0][5]*SF[3] + P[3][5]*SF[5] + P[1][5]*SPP[6] - P[10][5]*SPP[3] + P[12][5]*SPP[5] - (P[11][5]*q0)/2 + SF[1]*(P[2][0] + P[0][0]*SF[3] + P[3][0]*SF[5] + P[1][0]*SPP[6] - P[10][0]*SPP[3] + P[12][0]*SPP[5] - (P[11][0]*q0)/2) + SF[0]*(P[2][2] + P[0][2]*SF[3] + P[3][2]*SF[5] + P[1][2]*SPP[6] - P[10][2]*SPP[3] + P[12][2]*SPP[5] - (P[11][2]*q0)/2) + SF[2]*(P[2][3] + P[0][3]*SF[3] + P[3][3]*SF[5] + P[1][3]*SPP[6] - P[10][3]*SPP[3] + P[12][3]*SPP[5] - (P[11][3]*q0)/2) - SPP[0]*(P[2][1] + P[0][1]*SF[3] + P[3][1]*SF[5] + P[1][1]*SPP[6] - P[10][1]*SPP[3] + P[12][1]*SPP[5] - (P[11][1]*q0)/2); - nextP[2][6] = P[2][6] + P[0][6]*SF[3] + P[3][6]*SF[5] + P[1][6]*SPP[6] - P[10][6]*SPP[3] + P[12][6]*SPP[5] - (P[11][6]*q0)/2 + SF[1]*(P[2][1] + P[0][1]*SF[3] + P[3][1]*SF[5] + P[1][1]*SPP[6] - P[10][1]*SPP[3] + P[12][1]*SPP[5] - (P[11][1]*q0)/2) + SF[0]*(P[2][3] + P[0][3]*SF[3] + P[3][3]*SF[5] + P[1][3]*SPP[6] - P[10][3]*SPP[3] + P[12][3]*SPP[5] - (P[11][3]*q0)/2) + SPP[0]*(P[2][0] + P[0][0]*SF[3] + P[3][0]*SF[5] + P[1][0]*SPP[6] - P[10][0]*SPP[3] + P[12][0]*SPP[5] - (P[11][0]*q0)/2) - SPP[1]*(P[2][2] + P[0][2]*SF[3] + P[3][2]*SF[5] + P[1][2]*SPP[6] - P[10][2]*SPP[3] + P[12][2]*SPP[5] - (P[11][2]*q0)/2); - nextP[2][7] = P[2][7] + P[0][7]*SF[3] + P[3][7]*SF[5] + P[1][7]*SPP[6] - P[10][7]*SPP[3] + P[12][7]*SPP[5] - (P[11][7]*q0)/2 + dt*(P[2][4] + P[0][4]*SF[3] + P[3][4]*SF[5] + P[1][4]*SPP[6] - P[10][4]*SPP[3] + P[12][4]*SPP[5] - (P[11][4]*q0)/2); - nextP[2][8] = P[2][8] + P[0][8]*SF[3] + P[3][8]*SF[5] + P[1][8]*SPP[6] - P[10][8]*SPP[3] + P[12][8]*SPP[5] - (P[11][8]*q0)/2 + dt*(P[2][5] + P[0][5]*SF[3] + P[3][5]*SF[5] + P[1][5]*SPP[6] - P[10][5]*SPP[3] + P[12][5]*SPP[5] - (P[11][5]*q0)/2); - nextP[2][9] = P[2][9] + P[0][9]*SF[3] + P[3][9]*SF[5] + P[1][9]*SPP[6] - P[10][9]*SPP[3] + P[12][9]*SPP[5] - (P[11][9]*q0)/2 + dt*(P[2][6] + P[0][6]*SF[3] + P[3][6]*SF[5] + P[1][6]*SPP[6] - P[10][6]*SPP[3] + P[12][6]*SPP[5] - (P[11][6]*q0)/2); - nextP[2][10] = P[2][10] + P[0][10]*SF[3] + P[3][10]*SF[5] + P[1][10]*SPP[6] - P[10][10]*SPP[3] + P[12][10]*SPP[5] - (P[11][10]*q0)/2; - nextP[2][11] = P[2][11] + P[0][11]*SF[3] + P[3][11]*SF[5] + P[1][11]*SPP[6] - P[10][11]*SPP[3] + P[12][11]*SPP[5] - (P[11][11]*q0)/2; - nextP[2][12] = P[2][12] + P[0][12]*SF[3] + P[3][12]*SF[5] + P[1][12]*SPP[6] - P[10][12]*SPP[3] + P[12][12]*SPP[5] - (P[11][12]*q0)/2; - nextP[2][13] = P[2][13] + P[0][13]*SF[3] + P[3][13]*SF[5] + P[1][13]*SPP[6] - P[10][13]*SPP[3] + P[12][13]*SPP[5] - (P[11][13]*q0)/2; - nextP[2][14] = P[2][14] + P[0][14]*SF[3] + P[3][14]*SF[5] + P[1][14]*SPP[6] - P[10][14]*SPP[3] + P[12][14]*SPP[5] - (P[11][14]*q0)/2; - nextP[2][15] = P[2][15] + P[0][15]*SF[3] + P[3][15]*SF[5] + P[1][15]*SPP[6] - P[10][15]*SPP[3] + P[12][15]*SPP[5] - (P[11][15]*q0)/2; - nextP[2][16] = P[2][16] + P[0][16]*SF[3] + P[3][16]*SF[5] + P[1][16]*SPP[6] - P[10][16]*SPP[3] + P[12][16]*SPP[5] - (P[11][16]*q0)/2; - nextP[2][17] = P[2][17] + P[0][17]*SF[3] + P[3][17]*SF[5] + P[1][17]*SPP[6] - P[10][17]*SPP[3] + P[12][17]*SPP[5] - (P[11][17]*q0)/2; - nextP[2][18] = P[2][18] + P[0][18]*SF[3] + P[3][18]*SF[5] + P[1][18]*SPP[6] - P[10][18]*SPP[3] + P[12][18]*SPP[5] - (P[11][18]*q0)/2; - nextP[2][19] = P[2][19] + P[0][19]*SF[3] + P[3][19]*SF[5] + P[1][19]*SPP[6] - P[10][19]*SPP[3] + P[12][19]*SPP[5] - (P[11][19]*q0)/2; - nextP[2][20] = P[2][20] + P[0][20]*SF[3] + P[3][20]*SF[5] + P[1][20]*SPP[6] - P[10][20]*SPP[3] + P[12][20]*SPP[5] - (P[11][20]*q0)/2; - nextP[3][0] = P[3][0] + SQ[6] + P[0][0]*SF[4] + P[1][0]*SF[3] + P[2][0]*SF[6] + P[10][0]*SPP[4] - P[11][0]*SPP[5] - (P[12][0]*q0)/2 + SF[6]*(P[3][1] + P[0][1]*SF[4] + P[1][1]*SF[3] + P[2][1]*SF[6] + P[10][1]*SPP[4] - P[11][1]*SPP[5] - (P[12][1]*q0)/2) + SPP[7]*(P[3][2] + P[0][2]*SF[4] + P[1][2]*SF[3] + P[2][2]*SF[6] + P[10][2]*SPP[4] - P[11][2]*SPP[5] - (P[12][2]*q0)/2) + SPP[6]*(P[3][3] + P[0][3]*SF[4] + P[1][3]*SF[3] + P[2][3]*SF[6] + P[10][3]*SPP[4] - P[11][3]*SPP[5] - (P[12][3]*q0)/2) + SPP[5]*(P[3][10] + P[0][10]*SF[4] + P[1][10]*SF[3] + P[2][10]*SF[6] + P[10][10]*SPP[4] - P[11][10]*SPP[5] - (P[12][10]*q0)/2) + SPP[4]*(P[3][11] + P[0][11]*SF[4] + P[1][11]*SF[3] + P[2][11]*SF[6] + P[10][11]*SPP[4] - P[11][11]*SPP[5] - (P[12][11]*q0)/2) + SPP[3]*(P[3][12] + P[0][12]*SF[4] + P[1][12]*SF[3] + P[2][12]*SF[6] + P[10][12]*SPP[4] - P[11][12]*SPP[5] - (P[12][12]*q0)/2); - nextP[3][1] = P[3][1] + SQ[4] + P[0][1]*SF[4] + P[1][1]*SF[3] + P[2][1]*SF[6] + P[10][1]*SPP[4] - P[11][1]*SPP[5] - (P[12][1]*q0)/2 + SF[5]*(P[3][0] + P[0][0]*SF[4] + P[1][0]*SF[3] + P[2][0]*SF[6] + P[10][0]*SPP[4] - P[11][0]*SPP[5] - (P[12][0]*q0)/2) + SF[4]*(P[3][2] + P[0][2]*SF[4] + P[1][2]*SF[3] + P[2][2]*SF[6] + P[10][2]*SPP[4] - P[11][2]*SPP[5] - (P[12][2]*q0)/2) + SPP[7]*(P[3][3] + P[0][3]*SF[4] + P[1][3]*SF[3] + P[2][3]*SF[6] + P[10][3]*SPP[4] - P[11][3]*SPP[5] - (P[12][3]*q0)/2) + SPP[3]*(P[3][11] + P[0][11]*SF[4] + P[1][11]*SF[3] + P[2][11]*SF[6] + P[10][11]*SPP[4] - P[11][11]*SPP[5] - (P[12][11]*q0)/2) - SPP[4]*(P[3][12] + P[0][12]*SF[4] + P[1][12]*SF[3] + P[2][12]*SF[6] + P[10][12]*SPP[4] - P[11][12]*SPP[5] - (P[12][12]*q0)/2) - (q0*(P[3][10] + P[0][10]*SF[4] + P[1][10]*SF[3] + P[2][10]*SF[6] + P[10][10]*SPP[4] - P[11][10]*SPP[5] - (P[12][10]*q0)/2))/2; - nextP[3][2] = P[3][2] + SQ[3] + P[0][2]*SF[4] + P[1][2]*SF[3] + P[2][2]*SF[6] + P[10][2]*SPP[4] - P[11][2]*SPP[5] - (P[12][2]*q0)/2 + SF[3]*(P[3][0] + P[0][0]*SF[4] + P[1][0]*SF[3] + P[2][0]*SF[6] + P[10][0]*SPP[4] - P[11][0]*SPP[5] - (P[12][0]*q0)/2) + SF[5]*(P[3][3] + P[0][3]*SF[4] + P[1][3]*SF[3] + P[2][3]*SF[6] + P[10][3]*SPP[4] - P[11][3]*SPP[5] - (P[12][3]*q0)/2) + SPP[6]*(P[3][1] + P[0][1]*SF[4] + P[1][1]*SF[3] + P[2][1]*SF[6] + P[10][1]*SPP[4] - P[11][1]*SPP[5] - (P[12][1]*q0)/2) - SPP[3]*(P[3][10] + P[0][10]*SF[4] + P[1][10]*SF[3] + P[2][10]*SF[6] + P[10][10]*SPP[4] - P[11][10]*SPP[5] - (P[12][10]*q0)/2) + SPP[5]*(P[3][12] + P[0][12]*SF[4] + P[1][12]*SF[3] + P[2][12]*SF[6] + P[10][12]*SPP[4] - P[11][12]*SPP[5] - (P[12][12]*q0)/2) - (q0*(P[3][11] + P[0][11]*SF[4] + P[1][11]*SF[3] + P[2][11]*SF[6] + P[10][11]*SPP[4] - P[11][11]*SPP[5] - (P[12][11]*q0)/2))/2; - nextP[3][3] = P[3][3] + P[0][3]*SF[4] + P[1][3]*SF[3] + P[2][3]*SF[6] + P[10][3]*SPP[4] - P[11][3]*SPP[5] + (dayCov*SQ[10])/4 + dazCov*SQ[9] - (P[12][3]*q0)/2 + SF[4]*(P[3][0] + P[0][0]*SF[4] + P[1][0]*SF[3] + P[2][0]*SF[6] + P[10][0]*SPP[4] - P[11][0]*SPP[5] - (P[12][0]*q0)/2) + SF[3]*(P[3][1] + P[0][1]*SF[4] + P[1][1]*SF[3] + P[2][1]*SF[6] + P[10][1]*SPP[4] - P[11][1]*SPP[5] - (P[12][1]*q0)/2) + SF[6]*(P[3][2] + P[0][2]*SF[4] + P[1][2]*SF[3] + P[2][2]*SF[6] + P[10][2]*SPP[4] - P[11][2]*SPP[5] - (P[12][2]*q0)/2) + SPP[4]*(P[3][10] + P[0][10]*SF[4] + P[1][10]*SF[3] + P[2][10]*SF[6] + P[10][10]*SPP[4] - P[11][10]*SPP[5] - (P[12][10]*q0)/2) - SPP[5]*(P[3][11] + P[0][11]*SF[4] + P[1][11]*SF[3] + P[2][11]*SF[6] + P[10][11]*SPP[4] - P[11][11]*SPP[5] - (P[12][11]*q0)/2) + (daxCov*sq(q2))/4 - (q0*(P[3][12] + P[0][12]*SF[4] + P[1][12]*SF[3] + P[2][12]*SF[6] + P[10][12]*SPP[4] - P[11][12]*SPP[5] - (P[12][12]*q0)/2))/2; - nextP[3][4] = P[3][4] + P[0][4]*SF[4] + P[1][4]*SF[3] + P[2][4]*SF[6] + P[10][4]*SPP[4] - P[11][4]*SPP[5] - (P[12][4]*q0)/2 + SF[2]*(P[3][0] + P[0][0]*SF[4] + P[1][0]*SF[3] + P[2][0]*SF[6] + P[10][0]*SPP[4] - P[11][0]*SPP[5] - (P[12][0]*q0)/2) + SF[0]*(P[3][1] + P[0][1]*SF[4] + P[1][1]*SF[3] + P[2][1]*SF[6] + P[10][1]*SPP[4] - P[11][1]*SPP[5] - (P[12][1]*q0)/2) + SPP[0]*(P[3][2] + P[0][2]*SF[4] + P[1][2]*SF[3] + P[2][2]*SF[6] + P[10][2]*SPP[4] - P[11][2]*SPP[5] - (P[12][2]*q0)/2) - SPP[2]*(P[3][3] + P[0][3]*SF[4] + P[1][3]*SF[3] + P[2][3]*SF[6] + P[10][3]*SPP[4] - P[11][3]*SPP[5] - (P[12][3]*q0)/2); - nextP[3][5] = P[3][5] + P[0][5]*SF[4] + P[1][5]*SF[3] + P[2][5]*SF[6] + P[10][5]*SPP[4] - P[11][5]*SPP[5] - (P[12][5]*q0)/2 + SF[1]*(P[3][0] + P[0][0]*SF[4] + P[1][0]*SF[3] + P[2][0]*SF[6] + P[10][0]*SPP[4] - P[11][0]*SPP[5] - (P[12][0]*q0)/2) + SF[0]*(P[3][2] + P[0][2]*SF[4] + P[1][2]*SF[3] + P[2][2]*SF[6] + P[10][2]*SPP[4] - P[11][2]*SPP[5] - (P[12][2]*q0)/2) + SF[2]*(P[3][3] + P[0][3]*SF[4] + P[1][3]*SF[3] + P[2][3]*SF[6] + P[10][3]*SPP[4] - P[11][3]*SPP[5] - (P[12][3]*q0)/2) - SPP[0]*(P[3][1] + P[0][1]*SF[4] + P[1][1]*SF[3] + P[2][1]*SF[6] + P[10][1]*SPP[4] - P[11][1]*SPP[5] - (P[12][1]*q0)/2); - nextP[3][6] = P[3][6] + P[0][6]*SF[4] + P[1][6]*SF[3] + P[2][6]*SF[6] + P[10][6]*SPP[4] - P[11][6]*SPP[5] - (P[12][6]*q0)/2 + SF[1]*(P[3][1] + P[0][1]*SF[4] + P[1][1]*SF[3] + P[2][1]*SF[6] + P[10][1]*SPP[4] - P[11][1]*SPP[5] - (P[12][1]*q0)/2) + SF[0]*(P[3][3] + P[0][3]*SF[4] + P[1][3]*SF[3] + P[2][3]*SF[6] + P[10][3]*SPP[4] - P[11][3]*SPP[5] - (P[12][3]*q0)/2) + SPP[0]*(P[3][0] + P[0][0]*SF[4] + P[1][0]*SF[3] + P[2][0]*SF[6] + P[10][0]*SPP[4] - P[11][0]*SPP[5] - (P[12][0]*q0)/2) - SPP[1]*(P[3][2] + P[0][2]*SF[4] + P[1][2]*SF[3] + P[2][2]*SF[6] + P[10][2]*SPP[4] - P[11][2]*SPP[5] - (P[12][2]*q0)/2); - nextP[3][7] = P[3][7] + P[0][7]*SF[4] + P[1][7]*SF[3] + P[2][7]*SF[6] + P[10][7]*SPP[4] - P[11][7]*SPP[5] - (P[12][7]*q0)/2 + dt*(P[3][4] + P[0][4]*SF[4] + P[1][4]*SF[3] + P[2][4]*SF[6] + P[10][4]*SPP[4] - P[11][4]*SPP[5] - (P[12][4]*q0)/2); - nextP[3][8] = P[3][8] + P[0][8]*SF[4] + P[1][8]*SF[3] + P[2][8]*SF[6] + P[10][8]*SPP[4] - P[11][8]*SPP[5] - (P[12][8]*q0)/2 + dt*(P[3][5] + P[0][5]*SF[4] + P[1][5]*SF[3] + P[2][5]*SF[6] + P[10][5]*SPP[4] - P[11][5]*SPP[5] - (P[12][5]*q0)/2); - nextP[3][9] = P[3][9] + P[0][9]*SF[4] + P[1][9]*SF[3] + P[2][9]*SF[6] + P[10][9]*SPP[4] - P[11][9]*SPP[5] - (P[12][9]*q0)/2 + dt*(P[3][6] + P[0][6]*SF[4] + P[1][6]*SF[3] + P[2][6]*SF[6] + P[10][6]*SPP[4] - P[11][6]*SPP[5] - (P[12][6]*q0)/2); - nextP[3][10] = P[3][10] + P[0][10]*SF[4] + P[1][10]*SF[3] + P[2][10]*SF[6] + P[10][10]*SPP[4] - P[11][10]*SPP[5] - (P[12][10]*q0)/2; - nextP[3][11] = P[3][11] + P[0][11]*SF[4] + P[1][11]*SF[3] + P[2][11]*SF[6] + P[10][11]*SPP[4] - P[11][11]*SPP[5] - (P[12][11]*q0)/2; - nextP[3][12] = P[3][12] + P[0][12]*SF[4] + P[1][12]*SF[3] + P[2][12]*SF[6] + P[10][12]*SPP[4] - P[11][12]*SPP[5] - (P[12][12]*q0)/2; - nextP[3][13] = P[3][13] + P[0][13]*SF[4] + P[1][13]*SF[3] + P[2][13]*SF[6] + P[10][13]*SPP[4] - P[11][13]*SPP[5] - (P[12][13]*q0)/2; - nextP[3][14] = P[3][14] + P[0][14]*SF[4] + P[1][14]*SF[3] + P[2][14]*SF[6] + P[10][14]*SPP[4] - P[11][14]*SPP[5] - (P[12][14]*q0)/2; - nextP[3][15] = P[3][15] + P[0][15]*SF[4] + P[1][15]*SF[3] + P[2][15]*SF[6] + P[10][15]*SPP[4] - P[11][15]*SPP[5] - (P[12][15]*q0)/2; - nextP[3][16] = P[3][16] + P[0][16]*SF[4] + P[1][16]*SF[3] + P[2][16]*SF[6] + P[10][16]*SPP[4] - P[11][16]*SPP[5] - (P[12][16]*q0)/2; - nextP[3][17] = P[3][17] + P[0][17]*SF[4] + P[1][17]*SF[3] + P[2][17]*SF[6] + P[10][17]*SPP[4] - P[11][17]*SPP[5] - (P[12][17]*q0)/2; - nextP[3][18] = P[3][18] + P[0][18]*SF[4] + P[1][18]*SF[3] + P[2][18]*SF[6] + P[10][18]*SPP[4] - P[11][18]*SPP[5] - (P[12][18]*q0)/2; - nextP[3][19] = P[3][19] + P[0][19]*SF[4] + P[1][19]*SF[3] + P[2][19]*SF[6] + P[10][19]*SPP[4] - P[11][19]*SPP[5] - (P[12][19]*q0)/2; - nextP[3][20] = P[3][20] + P[0][20]*SF[4] + P[1][20]*SF[3] + P[2][20]*SF[6] + P[10][20]*SPP[4] - P[11][20]*SPP[5] - (P[12][20]*q0)/2; - nextP[4][0] = P[4][0] + P[0][0]*SF[2] + P[1][0]*SF[0] + P[2][0]*SPP[0] - P[3][0]*SPP[2] + SF[6]*(P[4][1] + P[0][1]*SF[2] + P[1][1]*SF[0] + P[2][1]*SPP[0] - P[3][1]*SPP[2]) + SPP[7]*(P[4][2] + P[0][2]*SF[2] + P[1][2]*SF[0] + P[2][2]*SPP[0] - P[3][2]*SPP[2]) + SPP[6]*(P[4][3] + P[0][3]*SF[2] + P[1][3]*SF[0] + P[2][3]*SPP[0] - P[3][3]*SPP[2]) + SPP[5]*(P[4][10] + P[0][10]*SF[2] + P[1][10]*SF[0] + P[2][10]*SPP[0] - P[3][10]*SPP[2]) + SPP[4]*(P[4][11] + P[0][11]*SF[2] + P[1][11]*SF[0] + P[2][11]*SPP[0] - P[3][11]*SPP[2]) + SPP[3]*(P[4][12] + P[0][12]*SF[2] + P[1][12]*SF[0] + P[2][12]*SPP[0] - P[3][12]*SPP[2]); - nextP[4][1] = P[4][1] + P[0][1]*SF[2] + P[1][1]*SF[0] + P[2][1]*SPP[0] - P[3][1]*SPP[2] + SF[5]*(P[4][0] + P[0][0]*SF[2] + P[1][0]*SF[0] + P[2][0]*SPP[0] - P[3][0]*SPP[2]) + SF[4]*(P[4][2] + P[0][2]*SF[2] + P[1][2]*SF[0] + P[2][2]*SPP[0] - P[3][2]*SPP[2]) + SPP[7]*(P[4][3] + P[0][3]*SF[2] + P[1][3]*SF[0] + P[2][3]*SPP[0] - P[3][3]*SPP[2]) + SPP[3]*(P[4][11] + P[0][11]*SF[2] + P[1][11]*SF[0] + P[2][11]*SPP[0] - P[3][11]*SPP[2]) - SPP[4]*(P[4][12] + P[0][12]*SF[2] + P[1][12]*SF[0] + P[2][12]*SPP[0] - P[3][12]*SPP[2]) - (q0*(P[4][10] + P[0][10]*SF[2] + P[1][10]*SF[0] + P[2][10]*SPP[0] - P[3][10]*SPP[2]))/2; - nextP[4][2] = P[4][2] + P[0][2]*SF[2] + P[1][2]*SF[0] + P[2][2]*SPP[0] - P[3][2]*SPP[2] + SF[3]*(P[4][0] + P[0][0]*SF[2] + P[1][0]*SF[0] + P[2][0]*SPP[0] - P[3][0]*SPP[2]) + SF[5]*(P[4][3] + P[0][3]*SF[2] + P[1][3]*SF[0] + P[2][3]*SPP[0] - P[3][3]*SPP[2]) + SPP[6]*(P[4][1] + P[0][1]*SF[2] + P[1][1]*SF[0] + P[2][1]*SPP[0] - P[3][1]*SPP[2]) - SPP[3]*(P[4][10] + P[0][10]*SF[2] + P[1][10]*SF[0] + P[2][10]*SPP[0] - P[3][10]*SPP[2]) + SPP[5]*(P[4][12] + P[0][12]*SF[2] + P[1][12]*SF[0] + P[2][12]*SPP[0] - P[3][12]*SPP[2]) - (q0*(P[4][11] + P[0][11]*SF[2] + P[1][11]*SF[0] + P[2][11]*SPP[0] - P[3][11]*SPP[2]))/2; - nextP[4][3] = P[4][3] + P[0][3]*SF[2] + P[1][3]*SF[0] + P[2][3]*SPP[0] - P[3][3]*SPP[2] + SF[4]*(P[4][0] + P[0][0]*SF[2] + P[1][0]*SF[0] + P[2][0]*SPP[0] - P[3][0]*SPP[2]) + SF[3]*(P[4][1] + P[0][1]*SF[2] + P[1][1]*SF[0] + P[2][1]*SPP[0] - P[3][1]*SPP[2]) + SF[6]*(P[4][2] + P[0][2]*SF[2] + P[1][2]*SF[0] + P[2][2]*SPP[0] - P[3][2]*SPP[2]) + SPP[4]*(P[4][10] + P[0][10]*SF[2] + P[1][10]*SF[0] + P[2][10]*SPP[0] - P[3][10]*SPP[2]) - SPP[5]*(P[4][11] + P[0][11]*SF[2] + P[1][11]*SF[0] + P[2][11]*SPP[0] - P[3][11]*SPP[2]) - (q0*(P[4][12] + P[0][12]*SF[2] + P[1][12]*SF[0] + P[2][12]*SPP[0] - P[3][12]*SPP[2]))/2; - nextP[4][4] = P[4][4] + P[0][4]*SF[2] + P[1][4]*SF[0] + P[2][4]*SPP[0] - P[3][4]*SPP[2] + dvyCov*sq(SG[7] - 2*q0*q3) + dvzCov*sq(SG[6] + 2*q0*q2) + SF[2]*(P[4][0] + P[0][0]*SF[2] + P[1][0]*SF[0] + P[2][0]*SPP[0] - P[3][0]*SPP[2]) + SF[0]*(P[4][1] + P[0][1]*SF[2] + P[1][1]*SF[0] + P[2][1]*SPP[0] - P[3][1]*SPP[2]) + SPP[0]*(P[4][2] + P[0][2]*SF[2] + P[1][2]*SF[0] + P[2][2]*SPP[0] - P[3][2]*SPP[2]) - SPP[2]*(P[4][3] + P[0][3]*SF[2] + P[1][3]*SF[0] + P[2][3]*SPP[0] - P[3][3]*SPP[2]) + dvxCov*sq(SG[1] + SG[2] - SG[3] - SG[4]); - nextP[4][5] = P[4][5] + SQ[2] + P[0][5]*SF[2] + P[1][5]*SF[0] + P[2][5]*SPP[0] - P[3][5]*SPP[2] + SF[1]*(P[4][0] + P[0][0]*SF[2] + P[1][0]*SF[0] + P[2][0]*SPP[0] - P[3][0]*SPP[2]) + SF[0]*(P[4][2] + P[0][2]*SF[2] + P[1][2]*SF[0] + P[2][2]*SPP[0] - P[3][2]*SPP[2]) + SF[2]*(P[4][3] + P[0][3]*SF[2] + P[1][3]*SF[0] + P[2][3]*SPP[0] - P[3][3]*SPP[2]) - SPP[0]*(P[4][1] + P[0][1]*SF[2] + P[1][1]*SF[0] + P[2][1]*SPP[0] - P[3][1]*SPP[2]); - nextP[4][6] = P[4][6] + SQ[1] + P[0][6]*SF[2] + P[1][6]*SF[0] + P[2][6]*SPP[0] - P[3][6]*SPP[2] + SF[1]*(P[4][1] + P[0][1]*SF[2] + P[1][1]*SF[0] + P[2][1]*SPP[0] - P[3][1]*SPP[2]) + SF[0]*(P[4][3] + P[0][3]*SF[2] + P[1][3]*SF[0] + P[2][3]*SPP[0] - P[3][3]*SPP[2]) + SPP[0]*(P[4][0] + P[0][0]*SF[2] + P[1][0]*SF[0] + P[2][0]*SPP[0] - P[3][0]*SPP[2]) - SPP[1]*(P[4][2] + P[0][2]*SF[2] + P[1][2]*SF[0] + P[2][2]*SPP[0] - P[3][2]*SPP[2]); - nextP[4][7] = P[4][7] + P[0][7]*SF[2] + P[1][7]*SF[0] + P[2][7]*SPP[0] - P[3][7]*SPP[2] + dt*(P[4][4] + P[0][4]*SF[2] + P[1][4]*SF[0] + P[2][4]*SPP[0] - P[3][4]*SPP[2]); - nextP[4][8] = P[4][8] + P[0][8]*SF[2] + P[1][8]*SF[0] + P[2][8]*SPP[0] - P[3][8]*SPP[2] + dt*(P[4][5] + P[0][5]*SF[2] + P[1][5]*SF[0] + P[2][5]*SPP[0] - P[3][5]*SPP[2]); - nextP[4][9] = P[4][9] + P[0][9]*SF[2] + P[1][9]*SF[0] + P[2][9]*SPP[0] - P[3][9]*SPP[2] + dt*(P[4][6] + P[0][6]*SF[2] + P[1][6]*SF[0] + P[2][6]*SPP[0] - P[3][6]*SPP[2]); - nextP[4][10] = P[4][10] + P[0][10]*SF[2] + P[1][10]*SF[0] + P[2][10]*SPP[0] - P[3][10]*SPP[2]; - nextP[4][11] = P[4][11] + P[0][11]*SF[2] + P[1][11]*SF[0] + P[2][11]*SPP[0] - P[3][11]*SPP[2]; - nextP[4][12] = P[4][12] + P[0][12]*SF[2] + P[1][12]*SF[0] + P[2][12]*SPP[0] - P[3][12]*SPP[2]; - nextP[4][13] = P[4][13] + P[0][13]*SF[2] + P[1][13]*SF[0] + P[2][13]*SPP[0] - P[3][13]*SPP[2]; - nextP[4][14] = P[4][14] + P[0][14]*SF[2] + P[1][14]*SF[0] + P[2][14]*SPP[0] - P[3][14]*SPP[2]; - nextP[4][15] = P[4][15] + P[0][15]*SF[2] + P[1][15]*SF[0] + P[2][15]*SPP[0] - P[3][15]*SPP[2]; - nextP[4][16] = P[4][16] + P[0][16]*SF[2] + P[1][16]*SF[0] + P[2][16]*SPP[0] - P[3][16]*SPP[2]; - nextP[4][17] = P[4][17] + P[0][17]*SF[2] + P[1][17]*SF[0] + P[2][17]*SPP[0] - P[3][17]*SPP[2]; - nextP[4][18] = P[4][18] + P[0][18]*SF[2] + P[1][18]*SF[0] + P[2][18]*SPP[0] - P[3][18]*SPP[2]; - nextP[4][19] = P[4][19] + P[0][19]*SF[2] + P[1][19]*SF[0] + P[2][19]*SPP[0] - P[3][19]*SPP[2]; - nextP[4][20] = P[4][20] + P[0][20]*SF[2] + P[1][20]*SF[0] + P[2][20]*SPP[0] - P[3][20]*SPP[2]; - nextP[5][0] = P[5][0] + P[0][0]*SF[1] + P[2][0]*SF[0] + P[3][0]*SF[2] - P[1][0]*SPP[0] + SF[6]*(P[5][1] + P[0][1]*SF[1] + P[2][1]*SF[0] + P[3][1]*SF[2] - P[1][1]*SPP[0]) + SPP[7]*(P[5][2] + P[0][2]*SF[1] + P[2][2]*SF[0] + P[3][2]*SF[2] - P[1][2]*SPP[0]) + SPP[6]*(P[5][3] + P[0][3]*SF[1] + P[2][3]*SF[0] + P[3][3]*SF[2] - P[1][3]*SPP[0]) + SPP[5]*(P[5][10] + P[0][10]*SF[1] + P[2][10]*SF[0] + P[3][10]*SF[2] - P[1][10]*SPP[0]) + SPP[4]*(P[5][11] + P[0][11]*SF[1] + P[2][11]*SF[0] + P[3][11]*SF[2] - P[1][11]*SPP[0]) + SPP[3]*(P[5][12] + P[0][12]*SF[1] + P[2][12]*SF[0] + P[3][12]*SF[2] - P[1][12]*SPP[0]); - nextP[5][1] = P[5][1] + P[0][1]*SF[1] + P[2][1]*SF[0] + P[3][1]*SF[2] - P[1][1]*SPP[0] + SF[5]*(P[5][0] + P[0][0]*SF[1] + P[2][0]*SF[0] + P[3][0]*SF[2] - P[1][0]*SPP[0]) + SF[4]*(P[5][2] + P[0][2]*SF[1] + P[2][2]*SF[0] + P[3][2]*SF[2] - P[1][2]*SPP[0]) + SPP[7]*(P[5][3] + P[0][3]*SF[1] + P[2][3]*SF[0] + P[3][3]*SF[2] - P[1][3]*SPP[0]) + SPP[3]*(P[5][11] + P[0][11]*SF[1] + P[2][11]*SF[0] + P[3][11]*SF[2] - P[1][11]*SPP[0]) - SPP[4]*(P[5][12] + P[0][12]*SF[1] + P[2][12]*SF[0] + P[3][12]*SF[2] - P[1][12]*SPP[0]) - (q0*(P[5][10] + P[0][10]*SF[1] + P[2][10]*SF[0] + P[3][10]*SF[2] - P[1][10]*SPP[0]))/2; - nextP[5][2] = P[5][2] + P[0][2]*SF[1] + P[2][2]*SF[0] + P[3][2]*SF[2] - P[1][2]*SPP[0] + SF[3]*(P[5][0] + P[0][0]*SF[1] + P[2][0]*SF[0] + P[3][0]*SF[2] - P[1][0]*SPP[0]) + SF[5]*(P[5][3] + P[0][3]*SF[1] + P[2][3]*SF[0] + P[3][3]*SF[2] - P[1][3]*SPP[0]) + SPP[6]*(P[5][1] + P[0][1]*SF[1] + P[2][1]*SF[0] + P[3][1]*SF[2] - P[1][1]*SPP[0]) - SPP[3]*(P[5][10] + P[0][10]*SF[1] + P[2][10]*SF[0] + P[3][10]*SF[2] - P[1][10]*SPP[0]) + SPP[5]*(P[5][12] + P[0][12]*SF[1] + P[2][12]*SF[0] + P[3][12]*SF[2] - P[1][12]*SPP[0]) - (q0*(P[5][11] + P[0][11]*SF[1] + P[2][11]*SF[0] + P[3][11]*SF[2] - P[1][11]*SPP[0]))/2; - nextP[5][3] = P[5][3] + P[0][3]*SF[1] + P[2][3]*SF[0] + P[3][3]*SF[2] - P[1][3]*SPP[0] + SF[4]*(P[5][0] + P[0][0]*SF[1] + P[2][0]*SF[0] + P[3][0]*SF[2] - P[1][0]*SPP[0]) + SF[3]*(P[5][1] + P[0][1]*SF[1] + P[2][1]*SF[0] + P[3][1]*SF[2] - P[1][1]*SPP[0]) + SF[6]*(P[5][2] + P[0][2]*SF[1] + P[2][2]*SF[0] + P[3][2]*SF[2] - P[1][2]*SPP[0]) + SPP[4]*(P[5][10] + P[0][10]*SF[1] + P[2][10]*SF[0] + P[3][10]*SF[2] - P[1][10]*SPP[0]) - SPP[5]*(P[5][11] + P[0][11]*SF[1] + P[2][11]*SF[0] + P[3][11]*SF[2] - P[1][11]*SPP[0]) - (q0*(P[5][12] + P[0][12]*SF[1] + P[2][12]*SF[0] + P[3][12]*SF[2] - P[1][12]*SPP[0]))/2; - nextP[5][4] = P[5][4] + SQ[2] + P[0][4]*SF[1] + P[2][4]*SF[0] + P[3][4]*SF[2] - P[1][4]*SPP[0] + SF[2]*(P[5][0] + P[0][0]*SF[1] + P[2][0]*SF[0] + P[3][0]*SF[2] - P[1][0]*SPP[0]) + SF[0]*(P[5][1] + P[0][1]*SF[1] + P[2][1]*SF[0] + P[3][1]*SF[2] - P[1][1]*SPP[0]) + SPP[0]*(P[5][2] + P[0][2]*SF[1] + P[2][2]*SF[0] + P[3][2]*SF[2] - P[1][2]*SPP[0]) - SPP[2]*(P[5][3] + P[0][3]*SF[1] + P[2][3]*SF[0] + P[3][3]*SF[2] - P[1][3]*SPP[0]); - nextP[5][5] = P[5][5] + P[0][5]*SF[1] + P[2][5]*SF[0] + P[3][5]*SF[2] - P[1][5]*SPP[0] + dvxCov*sq(SG[7] + 2*q0*q3) + dvzCov*sq(SG[5] - 2*q0*q1) + SF[1]*(P[5][0] + P[0][0]*SF[1] + P[2][0]*SF[0] + P[3][0]*SF[2] - P[1][0]*SPP[0]) + SF[0]*(P[5][2] + P[0][2]*SF[1] + P[2][2]*SF[0] + P[3][2]*SF[2] - P[1][2]*SPP[0]) + SF[2]*(P[5][3] + P[0][3]*SF[1] + P[2][3]*SF[0] + P[3][3]*SF[2] - P[1][3]*SPP[0]) - SPP[0]*(P[5][1] + P[0][1]*SF[1] + P[2][1]*SF[0] + P[3][1]*SF[2] - P[1][1]*SPP[0]) + dvyCov*sq(SG[1] - SG[2] + SG[3] - SG[4]); - nextP[5][6] = P[5][6] + SQ[0] + P[0][6]*SF[1] + P[2][6]*SF[0] + P[3][6]*SF[2] - P[1][6]*SPP[0] + SF[1]*(P[5][1] + P[0][1]*SF[1] + P[2][1]*SF[0] + P[3][1]*SF[2] - P[1][1]*SPP[0]) + SF[0]*(P[5][3] + P[0][3]*SF[1] + P[2][3]*SF[0] + P[3][3]*SF[2] - P[1][3]*SPP[0]) + SPP[0]*(P[5][0] + P[0][0]*SF[1] + P[2][0]*SF[0] + P[3][0]*SF[2] - P[1][0]*SPP[0]) - SPP[1]*(P[5][2] + P[0][2]*SF[1] + P[2][2]*SF[0] + P[3][2]*SF[2] - P[1][2]*SPP[0]); - nextP[5][7] = P[5][7] + P[0][7]*SF[1] + P[2][7]*SF[0] + P[3][7]*SF[2] - P[1][7]*SPP[0] + dt*(P[5][4] + P[0][4]*SF[1] + P[2][4]*SF[0] + P[3][4]*SF[2] - P[1][4]*SPP[0]); - nextP[5][8] = P[5][8] + P[0][8]*SF[1] + P[2][8]*SF[0] + P[3][8]*SF[2] - P[1][8]*SPP[0] + dt*(P[5][5] + P[0][5]*SF[1] + P[2][5]*SF[0] + P[3][5]*SF[2] - P[1][5]*SPP[0]); - nextP[5][9] = P[5][9] + P[0][9]*SF[1] + P[2][9]*SF[0] + P[3][9]*SF[2] - P[1][9]*SPP[0] + dt*(P[5][6] + P[0][6]*SF[1] + P[2][6]*SF[0] + P[3][6]*SF[2] - P[1][6]*SPP[0]); - nextP[5][10] = P[5][10] + P[0][10]*SF[1] + P[2][10]*SF[0] + P[3][10]*SF[2] - P[1][10]*SPP[0]; - nextP[5][11] = P[5][11] + P[0][11]*SF[1] + P[2][11]*SF[0] + P[3][11]*SF[2] - P[1][11]*SPP[0]; - nextP[5][12] = P[5][12] + P[0][12]*SF[1] + P[2][12]*SF[0] + P[3][12]*SF[2] - P[1][12]*SPP[0]; - nextP[5][13] = P[5][13] + P[0][13]*SF[1] + P[2][13]*SF[0] + P[3][13]*SF[2] - P[1][13]*SPP[0]; - nextP[5][14] = P[5][14] + P[0][14]*SF[1] + P[2][14]*SF[0] + P[3][14]*SF[2] - P[1][14]*SPP[0]; - nextP[5][15] = P[5][15] + P[0][15]*SF[1] + P[2][15]*SF[0] + P[3][15]*SF[2] - P[1][15]*SPP[0]; - nextP[5][16] = P[5][16] + P[0][16]*SF[1] + P[2][16]*SF[0] + P[3][16]*SF[2] - P[1][16]*SPP[0]; - nextP[5][17] = P[5][17] + P[0][17]*SF[1] + P[2][17]*SF[0] + P[3][17]*SF[2] - P[1][17]*SPP[0]; - nextP[5][18] = P[5][18] + P[0][18]*SF[1] + P[2][18]*SF[0] + P[3][18]*SF[2] - P[1][18]*SPP[0]; - nextP[5][19] = P[5][19] + P[0][19]*SF[1] + P[2][19]*SF[0] + P[3][19]*SF[2] - P[1][19]*SPP[0]; - nextP[5][20] = P[5][20] + P[0][20]*SF[1] + P[2][20]*SF[0] + P[3][20]*SF[2] - P[1][20]*SPP[0]; - nextP[6][0] = P[6][0] + P[1][0]*SF[1] + P[3][0]*SF[0] + P[0][0]*SPP[0] - P[2][0]*SPP[1] + SF[6]*(P[6][1] + P[1][1]*SF[1] + P[3][1]*SF[0] + P[0][1]*SPP[0] - P[2][1]*SPP[1]) + SPP[7]*(P[6][2] + P[1][2]*SF[1] + P[3][2]*SF[0] + P[0][2]*SPP[0] - P[2][2]*SPP[1]) + SPP[6]*(P[6][3] + P[1][3]*SF[1] + P[3][3]*SF[0] + P[0][3]*SPP[0] - P[2][3]*SPP[1]) + SPP[5]*(P[6][10] + P[1][10]*SF[1] + P[3][10]*SF[0] + P[0][10]*SPP[0] - P[2][10]*SPP[1]) + SPP[4]*(P[6][11] + P[1][11]*SF[1] + P[3][11]*SF[0] + P[0][11]*SPP[0] - P[2][11]*SPP[1]) + SPP[3]*(P[6][12] + P[1][12]*SF[1] + P[3][12]*SF[0] + P[0][12]*SPP[0] - P[2][12]*SPP[1]); - nextP[6][1] = P[6][1] + P[1][1]*SF[1] + P[3][1]*SF[0] + P[0][1]*SPP[0] - P[2][1]*SPP[1] + SF[5]*(P[6][0] + P[1][0]*SF[1] + P[3][0]*SF[0] + P[0][0]*SPP[0] - P[2][0]*SPP[1]) + SF[4]*(P[6][2] + P[1][2]*SF[1] + P[3][2]*SF[0] + P[0][2]*SPP[0] - P[2][2]*SPP[1]) + SPP[7]*(P[6][3] + P[1][3]*SF[1] + P[3][3]*SF[0] + P[0][3]*SPP[0] - P[2][3]*SPP[1]) + SPP[3]*(P[6][11] + P[1][11]*SF[1] + P[3][11]*SF[0] + P[0][11]*SPP[0] - P[2][11]*SPP[1]) - SPP[4]*(P[6][12] + P[1][12]*SF[1] + P[3][12]*SF[0] + P[0][12]*SPP[0] - P[2][12]*SPP[1]) - (q0*(P[6][10] + P[1][10]*SF[1] + P[3][10]*SF[0] + P[0][10]*SPP[0] - P[2][10]*SPP[1]))/2; - nextP[6][2] = P[6][2] + P[1][2]*SF[1] + P[3][2]*SF[0] + P[0][2]*SPP[0] - P[2][2]*SPP[1] + SF[3]*(P[6][0] + P[1][0]*SF[1] + P[3][0]*SF[0] + P[0][0]*SPP[0] - P[2][0]*SPP[1]) + SF[5]*(P[6][3] + P[1][3]*SF[1] + P[3][3]*SF[0] + P[0][3]*SPP[0] - P[2][3]*SPP[1]) + SPP[6]*(P[6][1] + P[1][1]*SF[1] + P[3][1]*SF[0] + P[0][1]*SPP[0] - P[2][1]*SPP[1]) - SPP[3]*(P[6][10] + P[1][10]*SF[1] + P[3][10]*SF[0] + P[0][10]*SPP[0] - P[2][10]*SPP[1]) + SPP[5]*(P[6][12] + P[1][12]*SF[1] + P[3][12]*SF[0] + P[0][12]*SPP[0] - P[2][12]*SPP[1]) - (q0*(P[6][11] + P[1][11]*SF[1] + P[3][11]*SF[0] + P[0][11]*SPP[0] - P[2][11]*SPP[1]))/2; - nextP[6][3] = P[6][3] + P[1][3]*SF[1] + P[3][3]*SF[0] + P[0][3]*SPP[0] - P[2][3]*SPP[1] + SF[4]*(P[6][0] + P[1][0]*SF[1] + P[3][0]*SF[0] + P[0][0]*SPP[0] - P[2][0]*SPP[1]) + SF[3]*(P[6][1] + P[1][1]*SF[1] + P[3][1]*SF[0] + P[0][1]*SPP[0] - P[2][1]*SPP[1]) + SF[6]*(P[6][2] + P[1][2]*SF[1] + P[3][2]*SF[0] + P[0][2]*SPP[0] - P[2][2]*SPP[1]) + SPP[4]*(P[6][10] + P[1][10]*SF[1] + P[3][10]*SF[0] + P[0][10]*SPP[0] - P[2][10]*SPP[1]) - SPP[5]*(P[6][11] + P[1][11]*SF[1] + P[3][11]*SF[0] + P[0][11]*SPP[0] - P[2][11]*SPP[1]) - (q0*(P[6][12] + P[1][12]*SF[1] + P[3][12]*SF[0] + P[0][12]*SPP[0] - P[2][12]*SPP[1]))/2; - nextP[6][4] = P[6][4] + SQ[1] + P[1][4]*SF[1] + P[3][4]*SF[0] + P[0][4]*SPP[0] - P[2][4]*SPP[1] + SF[2]*(P[6][0] + P[1][0]*SF[1] + P[3][0]*SF[0] + P[0][0]*SPP[0] - P[2][0]*SPP[1]) + SF[0]*(P[6][1] + P[1][1]*SF[1] + P[3][1]*SF[0] + P[0][1]*SPP[0] - P[2][1]*SPP[1]) + SPP[0]*(P[6][2] + P[1][2]*SF[1] + P[3][2]*SF[0] + P[0][2]*SPP[0] - P[2][2]*SPP[1]) - SPP[2]*(P[6][3] + P[1][3]*SF[1] + P[3][3]*SF[0] + P[0][3]*SPP[0] - P[2][3]*SPP[1]); - nextP[6][5] = P[6][5] + SQ[0] + P[1][5]*SF[1] + P[3][5]*SF[0] + P[0][5]*SPP[0] - P[2][5]*SPP[1] + SF[1]*(P[6][0] + P[1][0]*SF[1] + P[3][0]*SF[0] + P[0][0]*SPP[0] - P[2][0]*SPP[1]) + SF[0]*(P[6][2] + P[1][2]*SF[1] + P[3][2]*SF[0] + P[0][2]*SPP[0] - P[2][2]*SPP[1]) + SF[2]*(P[6][3] + P[1][3]*SF[1] + P[3][3]*SF[0] + P[0][3]*SPP[0] - P[2][3]*SPP[1]) - SPP[0]*(P[6][1] + P[1][1]*SF[1] + P[3][1]*SF[0] + P[0][1]*SPP[0] - P[2][1]*SPP[1]); - nextP[6][6] = P[6][6] + P[1][6]*SF[1] + P[3][6]*SF[0] + P[0][6]*SPP[0] - P[2][6]*SPP[1] + dvxCov*sq(SG[6] - 2*q0*q2) + dvyCov*sq(SG[5] + 2*q0*q1) + SF[1]*(P[6][1] + P[1][1]*SF[1] + P[3][1]*SF[0] + P[0][1]*SPP[0] - P[2][1]*SPP[1]) + SF[0]*(P[6][3] + P[1][3]*SF[1] + P[3][3]*SF[0] + P[0][3]*SPP[0] - P[2][3]*SPP[1]) + SPP[0]*(P[6][0] + P[1][0]*SF[1] + P[3][0]*SF[0] + P[0][0]*SPP[0] - P[2][0]*SPP[1]) - SPP[1]*(P[6][2] + P[1][2]*SF[1] + P[3][2]*SF[0] + P[0][2]*SPP[0] - P[2][2]*SPP[1]) + dvzCov*sq(SG[1] - SG[2] - SG[3] + SG[4]); - nextP[6][7] = P[6][7] + P[1][7]*SF[1] + P[3][7]*SF[0] + P[0][7]*SPP[0] - P[2][7]*SPP[1] + dt*(P[6][4] + P[1][4]*SF[1] + P[3][4]*SF[0] + P[0][4]*SPP[0] - P[2][4]*SPP[1]); - nextP[6][8] = P[6][8] + P[1][8]*SF[1] + P[3][8]*SF[0] + P[0][8]*SPP[0] - P[2][8]*SPP[1] + dt*(P[6][5] + P[1][5]*SF[1] + P[3][5]*SF[0] + P[0][5]*SPP[0] - P[2][5]*SPP[1]); - nextP[6][9] = P[6][9] + P[1][9]*SF[1] + P[3][9]*SF[0] + P[0][9]*SPP[0] - P[2][9]*SPP[1] + dt*(P[6][6] + P[1][6]*SF[1] + P[3][6]*SF[0] + P[0][6]*SPP[0] - P[2][6]*SPP[1]); - nextP[6][10] = P[6][10] + P[1][10]*SF[1] + P[3][10]*SF[0] + P[0][10]*SPP[0] - P[2][10]*SPP[1]; - nextP[6][11] = P[6][11] + P[1][11]*SF[1] + P[3][11]*SF[0] + P[0][11]*SPP[0] - P[2][11]*SPP[1]; - nextP[6][12] = P[6][12] + P[1][12]*SF[1] + P[3][12]*SF[0] + P[0][12]*SPP[0] - P[2][12]*SPP[1]; - nextP[6][13] = P[6][13] + P[1][13]*SF[1] + P[3][13]*SF[0] + P[0][13]*SPP[0] - P[2][13]*SPP[1]; - nextP[6][14] = P[6][14] + P[1][14]*SF[1] + P[3][14]*SF[0] + P[0][14]*SPP[0] - P[2][14]*SPP[1]; - nextP[6][15] = P[6][15] + P[1][15]*SF[1] + P[3][15]*SF[0] + P[0][15]*SPP[0] - P[2][15]*SPP[1]; - nextP[6][16] = P[6][16] + P[1][16]*SF[1] + P[3][16]*SF[0] + P[0][16]*SPP[0] - P[2][16]*SPP[1]; - nextP[6][17] = P[6][17] + P[1][17]*SF[1] + P[3][17]*SF[0] + P[0][17]*SPP[0] - P[2][17]*SPP[1]; - nextP[6][18] = P[6][18] + P[1][18]*SF[1] + P[3][18]*SF[0] + P[0][18]*SPP[0] - P[2][18]*SPP[1]; - nextP[6][19] = P[6][19] + P[1][19]*SF[1] + P[3][19]*SF[0] + P[0][19]*SPP[0] - P[2][19]*SPP[1]; - nextP[6][20] = P[6][20] + P[1][20]*SF[1] + P[3][20]*SF[0] + P[0][20]*SPP[0] - P[2][20]*SPP[1]; - nextP[7][0] = P[7][0] + P[4][0]*dt + SF[6]*(P[7][1] + P[4][1]*dt) + SPP[7]*(P[7][2] + P[4][2]*dt) + SPP[6]*(P[7][3] + P[4][3]*dt) + SPP[5]*(P[7][10] + P[4][10]*dt) + SPP[4]*(P[7][11] + P[4][11]*dt) + SPP[3]*(P[7][12] + P[4][12]*dt); - nextP[7][1] = P[7][1] + P[4][1]*dt + SF[5]*(P[7][0] + P[4][0]*dt) + SF[4]*(P[7][2] + P[4][2]*dt) + SPP[7]*(P[7][3] + P[4][3]*dt) + SPP[3]*(P[7][11] + P[4][11]*dt) - SPP[4]*(P[7][12] + P[4][12]*dt) - (q0*(P[7][10] + P[4][10]*dt))/2; - nextP[7][2] = P[7][2] + P[4][2]*dt + SF[3]*(P[7][0] + P[4][0]*dt) + SF[5]*(P[7][3] + P[4][3]*dt) + SPP[6]*(P[7][1] + P[4][1]*dt) - SPP[3]*(P[7][10] + P[4][10]*dt) + SPP[5]*(P[7][12] + P[4][12]*dt) - (q0*(P[7][11] + P[4][11]*dt))/2; - nextP[7][3] = P[7][3] + P[4][3]*dt + SF[4]*(P[7][0] + P[4][0]*dt) + SF[3]*(P[7][1] + P[4][1]*dt) + SF[6]*(P[7][2] + P[4][2]*dt) + SPP[4]*(P[7][10] + P[4][10]*dt) - SPP[5]*(P[7][11] + P[4][11]*dt) - (q0*(P[7][12] + P[4][12]*dt))/2; - nextP[7][4] = P[7][4] + P[4][4]*dt + SF[0]*(P[7][1] + P[4][1]*dt) + SF[2]*(P[7][0] + P[4][0]*dt) + SPP[0]*(P[7][2] + P[4][2]*dt) - SPP[2]*(P[7][3] + P[4][3]*dt); - nextP[7][5] = P[7][5] + P[4][5]*dt + SF[1]*(P[7][0] + P[4][0]*dt) + SF[0]*(P[7][2] + P[4][2]*dt) + SF[2]*(P[7][3] + P[4][3]*dt) - SPP[0]*(P[7][1] + P[4][1]*dt); - nextP[7][6] = P[7][6] + P[4][6]*dt + SF[1]*(P[7][1] + P[4][1]*dt) + SF[0]*(P[7][3] + P[4][3]*dt) + SPP[0]*(P[7][0] + P[4][0]*dt) - SPP[1]*(P[7][2] + P[4][2]*dt); - nextP[7][7] = P[7][7] + P[4][7]*dt + dt*(P[7][4] + P[4][4]*dt); - nextP[7][8] = P[7][8] + P[4][8]*dt + dt*(P[7][5] + P[4][5]*dt); - nextP[7][9] = P[7][9] + P[4][9]*dt + dt*(P[7][6] + P[4][6]*dt); - nextP[7][10] = P[7][10] + P[4][10]*dt; - nextP[7][11] = P[7][11] + P[4][11]*dt; - nextP[7][12] = P[7][12] + P[4][12]*dt; - nextP[7][13] = P[7][13] + P[4][13]*dt; - nextP[7][14] = P[7][14] + P[4][14]*dt; - nextP[7][15] = P[7][15] + P[4][15]*dt; - nextP[7][16] = P[7][16] + P[4][16]*dt; - nextP[7][17] = P[7][17] + P[4][17]*dt; - nextP[7][18] = P[7][18] + P[4][18]*dt; - nextP[7][19] = P[7][19] + P[4][19]*dt; - nextP[7][20] = P[7][20] + P[4][20]*dt; - nextP[8][0] = P[8][0] + P[5][0]*dt + SF[6]*(P[8][1] + P[5][1]*dt) + SPP[7]*(P[8][2] + P[5][2]*dt) + SPP[6]*(P[8][3] + P[5][3]*dt) + SPP[5]*(P[8][10] + P[5][10]*dt) + SPP[4]*(P[8][11] + P[5][11]*dt) + SPP[3]*(P[8][12] + P[5][12]*dt); - nextP[8][1] = P[8][1] + P[5][1]*dt + SF[5]*(P[8][0] + P[5][0]*dt) + SF[4]*(P[8][2] + P[5][2]*dt) + SPP[7]*(P[8][3] + P[5][3]*dt) + SPP[3]*(P[8][11] + P[5][11]*dt) - SPP[4]*(P[8][12] + P[5][12]*dt) - (q0*(P[8][10] + P[5][10]*dt))/2; - nextP[8][2] = P[8][2] + P[5][2]*dt + SF[3]*(P[8][0] + P[5][0]*dt) + SF[5]*(P[8][3] + P[5][3]*dt) + SPP[6]*(P[8][1] + P[5][1]*dt) - SPP[3]*(P[8][10] + P[5][10]*dt) + SPP[5]*(P[8][12] + P[5][12]*dt) - (q0*(P[8][11] + P[5][11]*dt))/2; - nextP[8][3] = P[8][3] + P[5][3]*dt + SF[4]*(P[8][0] + P[5][0]*dt) + SF[3]*(P[8][1] + P[5][1]*dt) + SF[6]*(P[8][2] + P[5][2]*dt) + SPP[4]*(P[8][10] + P[5][10]*dt) - SPP[5]*(P[8][11] + P[5][11]*dt) - (q0*(P[8][12] + P[5][12]*dt))/2; - nextP[8][4] = P[8][4] + P[5][4]*dt + SF[0]*(P[8][1] + P[5][1]*dt) + SF[2]*(P[8][0] + P[5][0]*dt) + SPP[0]*(P[8][2] + P[5][2]*dt) - SPP[2]*(P[8][3] + P[5][3]*dt); - nextP[8][5] = P[8][5] + P[5][5]*dt + SF[1]*(P[8][0] + P[5][0]*dt) + SF[0]*(P[8][2] + P[5][2]*dt) + SF[2]*(P[8][3] + P[5][3]*dt) - SPP[0]*(P[8][1] + P[5][1]*dt); - nextP[8][6] = P[8][6] + P[5][6]*dt + SF[1]*(P[8][1] + P[5][1]*dt) + SF[0]*(P[8][3] + P[5][3]*dt) + SPP[0]*(P[8][0] + P[5][0]*dt) - SPP[1]*(P[8][2] + P[5][2]*dt); - nextP[8][7] = P[8][7] + P[5][7]*dt + dt*(P[8][4] + P[5][4]*dt); - nextP[8][8] = P[8][8] + P[5][8]*dt + dt*(P[8][5] + P[5][5]*dt); - nextP[8][9] = P[8][9] + P[5][9]*dt + dt*(P[8][6] + P[5][6]*dt); - nextP[8][10] = P[8][10] + P[5][10]*dt; - nextP[8][11] = P[8][11] + P[5][11]*dt; - nextP[8][12] = P[8][12] + P[5][12]*dt; - nextP[8][13] = P[8][13] + P[5][13]*dt; - nextP[8][14] = P[8][14] + P[5][14]*dt; - nextP[8][15] = P[8][15] + P[5][15]*dt; - nextP[8][16] = P[8][16] + P[5][16]*dt; - nextP[8][17] = P[8][17] + P[5][17]*dt; - nextP[8][18] = P[8][18] + P[5][18]*dt; - nextP[8][19] = P[8][19] + P[5][19]*dt; - nextP[8][20] = P[8][20] + P[5][20]*dt; - nextP[9][0] = P[9][0] + P[6][0]*dt + SF[6]*(P[9][1] + P[6][1]*dt) + SPP[7]*(P[9][2] + P[6][2]*dt) + SPP[6]*(P[9][3] + P[6][3]*dt) + SPP[5]*(P[9][10] + P[6][10]*dt) + SPP[4]*(P[9][11] + P[6][11]*dt) + SPP[3]*(P[9][12] + P[6][12]*dt); - nextP[9][1] = P[9][1] + P[6][1]*dt + SF[5]*(P[9][0] + P[6][0]*dt) + SF[4]*(P[9][2] + P[6][2]*dt) + SPP[7]*(P[9][3] + P[6][3]*dt) + SPP[3]*(P[9][11] + P[6][11]*dt) - SPP[4]*(P[9][12] + P[6][12]*dt) - (q0*(P[9][10] + P[6][10]*dt))/2; - nextP[9][2] = P[9][2] + P[6][2]*dt + SF[3]*(P[9][0] + P[6][0]*dt) + SF[5]*(P[9][3] + P[6][3]*dt) + SPP[6]*(P[9][1] + P[6][1]*dt) - SPP[3]*(P[9][10] + P[6][10]*dt) + SPP[5]*(P[9][12] + P[6][12]*dt) - (q0*(P[9][11] + P[6][11]*dt))/2; - nextP[9][3] = P[9][3] + P[6][3]*dt + SF[4]*(P[9][0] + P[6][0]*dt) + SF[3]*(P[9][1] + P[6][1]*dt) + SF[6]*(P[9][2] + P[6][2]*dt) + SPP[4]*(P[9][10] + P[6][10]*dt) - SPP[5]*(P[9][11] + P[6][11]*dt) - (q0*(P[9][12] + P[6][12]*dt))/2; - nextP[9][4] = P[9][4] + P[6][4]*dt + SF[0]*(P[9][1] + P[6][1]*dt) + SF[2]*(P[9][0] + P[6][0]*dt) + SPP[0]*(P[9][2] + P[6][2]*dt) - SPP[2]*(P[9][3] + P[6][3]*dt); - nextP[9][5] = P[9][5] + P[6][5]*dt + SF[1]*(P[9][0] + P[6][0]*dt) + SF[0]*(P[9][2] + P[6][2]*dt) + SF[2]*(P[9][3] + P[6][3]*dt) - SPP[0]*(P[9][1] + P[6][1]*dt); - nextP[9][6] = P[9][6] + P[6][6]*dt + SF[1]*(P[9][1] + P[6][1]*dt) + SF[0]*(P[9][3] + P[6][3]*dt) + SPP[0]*(P[9][0] + P[6][0]*dt) - SPP[1]*(P[9][2] + P[6][2]*dt); - nextP[9][7] = P[9][7] + P[6][7]*dt + dt*(P[9][4] + P[6][4]*dt); - nextP[9][8] = P[9][8] + P[6][8]*dt + dt*(P[9][5] + P[6][5]*dt); - nextP[9][9] = P[9][9] + P[6][9]*dt + dt*(P[9][6] + P[6][6]*dt); - nextP[9][10] = P[9][10] + P[6][10]*dt; - nextP[9][11] = P[9][11] + P[6][11]*dt; - nextP[9][12] = P[9][12] + P[6][12]*dt; - nextP[9][13] = P[9][13] + P[6][13]*dt; - nextP[9][14] = P[9][14] + P[6][14]*dt; - nextP[9][15] = P[9][15] + P[6][15]*dt; - nextP[9][16] = P[9][16] + P[6][16]*dt; - nextP[9][17] = P[9][17] + P[6][17]*dt; - nextP[9][18] = P[9][18] + P[6][18]*dt; - nextP[9][19] = P[9][19] + P[6][19]*dt; - nextP[9][20] = P[9][20] + P[6][20]*dt; - nextP[10][0] = P[10][0] + P[10][1]*SF[6] + P[10][2]*SPP[7] + P[10][3]*SPP[6] + P[10][10]*SPP[5] + P[10][11]*SPP[4] + P[10][12]*SPP[3]; - nextP[10][1] = P[10][1] + P[10][0]*SF[5] + P[10][2]*SF[4] + P[10][3]*SPP[7] + P[10][11]*SPP[3] - P[10][12]*SPP[4] - (P[10][10]*q0)/2; - nextP[10][2] = P[10][2] + P[10][0]*SF[3] + P[10][3]*SF[5] + P[10][1]*SPP[6] - P[10][10]*SPP[3] + P[10][12]*SPP[5] - (P[10][11]*q0)/2; - nextP[10][3] = P[10][3] + P[10][0]*SF[4] + P[10][1]*SF[3] + P[10][2]*SF[6] + P[10][10]*SPP[4] - P[10][11]*SPP[5] - (P[10][12]*q0)/2; - nextP[10][4] = P[10][4] + P[10][1]*SF[0] + P[10][0]*SF[2] + P[10][2]*SPP[0] - P[10][3]*SPP[2]; - nextP[10][5] = P[10][5] + P[10][0]*SF[1] + P[10][2]*SF[0] + P[10][3]*SF[2] - P[10][1]*SPP[0]; - nextP[10][6] = P[10][6] + P[10][1]*SF[1] + P[10][3]*SF[0] + P[10][0]*SPP[0] - P[10][2]*SPP[1]; - nextP[10][7] = P[10][7] + P[10][4]*dt; - nextP[10][8] = P[10][8] + P[10][5]*dt; - nextP[10][9] = P[10][9] + P[10][6]*dt; - nextP[10][10] = P[10][10]; - nextP[10][11] = P[10][11]; - nextP[10][12] = P[10][12]; - nextP[10][13] = P[10][13]; - nextP[10][14] = P[10][14]; - nextP[10][15] = P[10][15]; - nextP[10][16] = P[10][16]; - nextP[10][17] = P[10][17]; - nextP[10][18] = P[10][18]; - nextP[10][19] = P[10][19]; - nextP[10][20] = P[10][20]; - nextP[11][0] = P[11][0] + P[11][1]*SF[6] + P[11][2]*SPP[7] + P[11][3]*SPP[6] + P[11][10]*SPP[5] + P[11][11]*SPP[4] + P[11][12]*SPP[3]; - nextP[11][1] = P[11][1] + P[11][0]*SF[5] + P[11][2]*SF[4] + P[11][3]*SPP[7] + P[11][11]*SPP[3] - P[11][12]*SPP[4] - (P[11][10]*q0)/2; - nextP[11][2] = P[11][2] + P[11][0]*SF[3] + P[11][3]*SF[5] + P[11][1]*SPP[6] - P[11][10]*SPP[3] + P[11][12]*SPP[5] - (P[11][11]*q0)/2; - nextP[11][3] = P[11][3] + P[11][0]*SF[4] + P[11][1]*SF[3] + P[11][2]*SF[6] + P[11][10]*SPP[4] - P[11][11]*SPP[5] - (P[11][12]*q0)/2; - nextP[11][4] = P[11][4] + P[11][1]*SF[0] + P[11][0]*SF[2] + P[11][2]*SPP[0] - P[11][3]*SPP[2]; - nextP[11][5] = P[11][5] + P[11][0]*SF[1] + P[11][2]*SF[0] + P[11][3]*SF[2] - P[11][1]*SPP[0]; - nextP[11][6] = P[11][6] + P[11][1]*SF[1] + P[11][3]*SF[0] + P[11][0]*SPP[0] - P[11][2]*SPP[1]; - nextP[11][7] = P[11][7] + P[11][4]*dt; - nextP[11][8] = P[11][8] + P[11][5]*dt; - nextP[11][9] = P[11][9] + P[11][6]*dt; - nextP[11][10] = P[11][10]; - nextP[11][11] = P[11][11]; - nextP[11][12] = P[11][12]; - nextP[11][13] = P[11][13]; - nextP[11][14] = P[11][14]; - nextP[11][15] = P[11][15]; - nextP[11][16] = P[11][16]; - nextP[11][17] = P[11][17]; - nextP[11][18] = P[11][18]; - nextP[11][19] = P[11][19]; - nextP[11][20] = P[11][20]; - nextP[12][0] = P[12][0] + P[12][1]*SF[6] + P[12][2]*SPP[7] + P[12][3]*SPP[6] + P[12][10]*SPP[5] + P[12][11]*SPP[4] + P[12][12]*SPP[3]; - nextP[12][1] = P[12][1] + P[12][0]*SF[5] + P[12][2]*SF[4] + P[12][3]*SPP[7] + P[12][11]*SPP[3] - P[12][12]*SPP[4] - (P[12][10]*q0)/2; - nextP[12][2] = P[12][2] + P[12][0]*SF[3] + P[12][3]*SF[5] + P[12][1]*SPP[6] - P[12][10]*SPP[3] + P[12][12]*SPP[5] - (P[12][11]*q0)/2; - nextP[12][3] = P[12][3] + P[12][0]*SF[4] + P[12][1]*SF[3] + P[12][2]*SF[6] + P[12][10]*SPP[4] - P[12][11]*SPP[5] - (P[12][12]*q0)/2; - nextP[12][4] = P[12][4] + P[12][1]*SF[0] + P[12][0]*SF[2] + P[12][2]*SPP[0] - P[12][3]*SPP[2]; - nextP[12][5] = P[12][5] + P[12][0]*SF[1] + P[12][2]*SF[0] + P[12][3]*SF[2] - P[12][1]*SPP[0]; - nextP[12][6] = P[12][6] + P[12][1]*SF[1] + P[12][3]*SF[0] + P[12][0]*SPP[0] - P[12][2]*SPP[1]; - nextP[12][7] = P[12][7] + P[12][4]*dt; - nextP[12][8] = P[12][8] + P[12][5]*dt; - nextP[12][9] = P[12][9] + P[12][6]*dt; - nextP[12][10] = P[12][10]; - nextP[12][11] = P[12][11]; - nextP[12][12] = P[12][12]; - nextP[12][13] = P[12][13]; - nextP[12][14] = P[12][14]; - nextP[12][15] = P[12][15]; - nextP[12][16] = P[12][16]; - nextP[12][17] = P[12][17]; - nextP[12][18] = P[12][18]; - nextP[12][19] = P[12][19]; - nextP[12][20] = P[12][20]; - nextP[13][0] = P[13][0] + P[13][1]*SF[6] + P[13][2]*SPP[7] + P[13][3]*SPP[6] + P[13][10]*SPP[5] + P[13][11]*SPP[4] + P[13][12]*SPP[3]; - nextP[13][1] = P[13][1] + P[13][0]*SF[5] + P[13][2]*SF[4] + P[13][3]*SPP[7] + P[13][11]*SPP[3] - P[13][12]*SPP[4] - (P[13][10]*q0)/2; - nextP[13][2] = P[13][2] + P[13][0]*SF[3] + P[13][3]*SF[5] + P[13][1]*SPP[6] - P[13][10]*SPP[3] + P[13][12]*SPP[5] - (P[13][11]*q0)/2; - nextP[13][3] = P[13][3] + P[13][0]*SF[4] + P[13][1]*SF[3] + P[13][2]*SF[6] + P[13][10]*SPP[4] - P[13][11]*SPP[5] - (P[13][12]*q0)/2; - nextP[13][4] = P[13][4] + P[13][1]*SF[0] + P[13][0]*SF[2] + P[13][2]*SPP[0] - P[13][3]*SPP[2]; - nextP[13][5] = P[13][5] + P[13][0]*SF[1] + P[13][2]*SF[0] + P[13][3]*SF[2] - P[13][1]*SPP[0]; - nextP[13][6] = P[13][6] + P[13][1]*SF[1] + P[13][3]*SF[0] + P[13][0]*SPP[0] - P[13][2]*SPP[1]; - nextP[13][7] = P[13][7] + P[13][4]*dt; - nextP[13][8] = P[13][8] + P[13][5]*dt; - nextP[13][9] = P[13][9] + P[13][6]*dt; - nextP[13][10] = P[13][10]; - nextP[13][11] = P[13][11]; - nextP[13][12] = P[13][12]; - nextP[13][13] = P[13][13]; - nextP[13][14] = P[13][14]; - nextP[13][15] = P[13][15]; - nextP[13][16] = P[13][16]; - nextP[13][17] = P[13][17]; - nextP[13][18] = P[13][18]; - nextP[13][19] = P[13][19]; - nextP[13][20] = P[13][20]; - nextP[14][0] = P[14][0] + P[14][1]*SF[6] + P[14][2]*SPP[7] + P[14][3]*SPP[6] + P[14][10]*SPP[5] + P[14][11]*SPP[4] + P[14][12]*SPP[3]; - nextP[14][1] = P[14][1] + P[14][0]*SF[5] + P[14][2]*SF[4] + P[14][3]*SPP[7] + P[14][11]*SPP[3] - P[14][12]*SPP[4] - (P[14][10]*q0)/2; - nextP[14][2] = P[14][2] + P[14][0]*SF[3] + P[14][3]*SF[5] + P[14][1]*SPP[6] - P[14][10]*SPP[3] + P[14][12]*SPP[5] - (P[14][11]*q0)/2; - nextP[14][3] = P[14][3] + P[14][0]*SF[4] + P[14][1]*SF[3] + P[14][2]*SF[6] + P[14][10]*SPP[4] - P[14][11]*SPP[5] - (P[14][12]*q0)/2; - nextP[14][4] = P[14][4] + P[14][1]*SF[0] + P[14][0]*SF[2] + P[14][2]*SPP[0] - P[14][3]*SPP[2]; - nextP[14][5] = P[14][5] + P[14][0]*SF[1] + P[14][2]*SF[0] + P[14][3]*SF[2] - P[14][1]*SPP[0]; - nextP[14][6] = P[14][6] + P[14][1]*SF[1] + P[14][3]*SF[0] + P[14][0]*SPP[0] - P[14][2]*SPP[1]; - nextP[14][7] = P[14][7] + P[14][4]*dt; - nextP[14][8] = P[14][8] + P[14][5]*dt; - nextP[14][9] = P[14][9] + P[14][6]*dt; - nextP[14][10] = P[14][10]; - nextP[14][11] = P[14][11]; - nextP[14][12] = P[14][12]; - nextP[14][13] = P[14][13]; - nextP[14][14] = P[14][14]; - nextP[14][15] = P[14][15]; - nextP[14][16] = P[14][16]; - nextP[14][17] = P[14][17]; - nextP[14][18] = P[14][18]; - nextP[14][19] = P[14][19]; - nextP[14][20] = P[14][20]; - nextP[15][0] = P[15][0] + P[15][1]*SF[6] + P[15][2]*SPP[7] + P[15][3]*SPP[6] + P[15][10]*SPP[5] + P[15][11]*SPP[4] + P[15][12]*SPP[3]; - nextP[15][1] = P[15][1] + P[15][0]*SF[5] + P[15][2]*SF[4] + P[15][3]*SPP[7] + P[15][11]*SPP[3] - P[15][12]*SPP[4] - (P[15][10]*q0)/2; - nextP[15][2] = P[15][2] + P[15][0]*SF[3] + P[15][3]*SF[5] + P[15][1]*SPP[6] - P[15][10]*SPP[3] + P[15][12]*SPP[5] - (P[15][11]*q0)/2; - nextP[15][3] = P[15][3] + P[15][0]*SF[4] + P[15][1]*SF[3] + P[15][2]*SF[6] + P[15][10]*SPP[4] - P[15][11]*SPP[5] - (P[15][12]*q0)/2; - nextP[15][4] = P[15][4] + P[15][1]*SF[0] + P[15][0]*SF[2] + P[15][2]*SPP[0] - P[15][3]*SPP[2]; - nextP[15][5] = P[15][5] + P[15][0]*SF[1] + P[15][2]*SF[0] + P[15][3]*SF[2] - P[15][1]*SPP[0]; - nextP[15][6] = P[15][6] + P[15][1]*SF[1] + P[15][3]*SF[0] + P[15][0]*SPP[0] - P[15][2]*SPP[1]; - nextP[15][7] = P[15][7] + P[15][4]*dt; - nextP[15][8] = P[15][8] + P[15][5]*dt; - nextP[15][9] = P[15][9] + P[15][6]*dt; - nextP[15][10] = P[15][10]; - nextP[15][11] = P[15][11]; - nextP[15][12] = P[15][12]; - nextP[15][13] = P[15][13]; - nextP[15][14] = P[15][14]; - nextP[15][15] = P[15][15]; - nextP[15][16] = P[15][16]; - nextP[15][17] = P[15][17]; - nextP[15][18] = P[15][18]; - nextP[15][19] = P[15][19]; - nextP[15][20] = P[15][20]; - nextP[16][0] = P[16][0] + P[16][1]*SF[6] + P[16][2]*SPP[7] + P[16][3]*SPP[6] + P[16][10]*SPP[5] + P[16][11]*SPP[4] + P[16][12]*SPP[3]; - nextP[16][1] = P[16][1] + P[16][0]*SF[5] + P[16][2]*SF[4] + P[16][3]*SPP[7] + P[16][11]*SPP[3] - P[16][12]*SPP[4] - (P[16][10]*q0)/2; - nextP[16][2] = P[16][2] + P[16][0]*SF[3] + P[16][3]*SF[5] + P[16][1]*SPP[6] - P[16][10]*SPP[3] + P[16][12]*SPP[5] - (P[16][11]*q0)/2; - nextP[16][3] = P[16][3] + P[16][0]*SF[4] + P[16][1]*SF[3] + P[16][2]*SF[6] + P[16][10]*SPP[4] - P[16][11]*SPP[5] - (P[16][12]*q0)/2; - nextP[16][4] = P[16][4] + P[16][1]*SF[0] + P[16][0]*SF[2] + P[16][2]*SPP[0] - P[16][3]*SPP[2]; - nextP[16][5] = P[16][5] + P[16][0]*SF[1] + P[16][2]*SF[0] + P[16][3]*SF[2] - P[16][1]*SPP[0]; - nextP[16][6] = P[16][6] + P[16][1]*SF[1] + P[16][3]*SF[0] + P[16][0]*SPP[0] - P[16][2]*SPP[1]; - nextP[16][7] = P[16][7] + P[16][4]*dt; - nextP[16][8] = P[16][8] + P[16][5]*dt; - nextP[16][9] = P[16][9] + P[16][6]*dt; - nextP[16][10] = P[16][10]; - nextP[16][11] = P[16][11]; - nextP[16][12] = P[16][12]; - nextP[16][13] = P[16][13]; - nextP[16][14] = P[16][14]; - nextP[16][15] = P[16][15]; - nextP[16][16] = P[16][16]; - nextP[16][17] = P[16][17]; - nextP[16][18] = P[16][18]; - nextP[16][19] = P[16][19]; - nextP[16][20] = P[16][20]; - nextP[17][0] = P[17][0] + P[17][1]*SF[6] + P[17][2]*SPP[7] + P[17][3]*SPP[6] + P[17][10]*SPP[5] + P[17][11]*SPP[4] + P[17][12]*SPP[3]; - nextP[17][1] = P[17][1] + P[17][0]*SF[5] + P[17][2]*SF[4] + P[17][3]*SPP[7] + P[17][11]*SPP[3] - P[17][12]*SPP[4] - (P[17][10]*q0)/2; - nextP[17][2] = P[17][2] + P[17][0]*SF[3] + P[17][3]*SF[5] + P[17][1]*SPP[6] - P[17][10]*SPP[3] + P[17][12]*SPP[5] - (P[17][11]*q0)/2; - nextP[17][3] = P[17][3] + P[17][0]*SF[4] + P[17][1]*SF[3] + P[17][2]*SF[6] + P[17][10]*SPP[4] - P[17][11]*SPP[5] - (P[17][12]*q0)/2; - nextP[17][4] = P[17][4] + P[17][1]*SF[0] + P[17][0]*SF[2] + P[17][2]*SPP[0] - P[17][3]*SPP[2]; - nextP[17][5] = P[17][5] + P[17][0]*SF[1] + P[17][2]*SF[0] + P[17][3]*SF[2] - P[17][1]*SPP[0]; - nextP[17][6] = P[17][6] + P[17][1]*SF[1] + P[17][3]*SF[0] + P[17][0]*SPP[0] - P[17][2]*SPP[1]; - nextP[17][7] = P[17][7] + P[17][4]*dt; - nextP[17][8] = P[17][8] + P[17][5]*dt; - nextP[17][9] = P[17][9] + P[17][6]*dt; - nextP[17][10] = P[17][10]; - nextP[17][11] = P[17][11]; - nextP[17][12] = P[17][12]; - nextP[17][13] = P[17][13]; - nextP[17][14] = P[17][14]; - nextP[17][15] = P[17][15]; - nextP[17][16] = P[17][16]; - nextP[17][17] = P[17][17]; - nextP[17][18] = P[17][18]; - nextP[17][19] = P[17][19]; - nextP[17][20] = P[17][20]; - nextP[18][0] = P[18][0] + P[18][1]*SF[6] + P[18][2]*SPP[7] + P[18][3]*SPP[6] + P[18][10]*SPP[5] + P[18][11]*SPP[4] + P[18][12]*SPP[3]; - nextP[18][1] = P[18][1] + P[18][0]*SF[5] + P[18][2]*SF[4] + P[18][3]*SPP[7] + P[18][11]*SPP[3] - P[18][12]*SPP[4] - (P[18][10]*q0)/2; - nextP[18][2] = P[18][2] + P[18][0]*SF[3] + P[18][3]*SF[5] + P[18][1]*SPP[6] - P[18][10]*SPP[3] + P[18][12]*SPP[5] - (P[18][11]*q0)/2; - nextP[18][3] = P[18][3] + P[18][0]*SF[4] + P[18][1]*SF[3] + P[18][2]*SF[6] + P[18][10]*SPP[4] - P[18][11]*SPP[5] - (P[18][12]*q0)/2; - nextP[18][4] = P[18][4] + P[18][1]*SF[0] + P[18][0]*SF[2] + P[18][2]*SPP[0] - P[18][3]*SPP[2]; - nextP[18][5] = P[18][5] + P[18][0]*SF[1] + P[18][2]*SF[0] + P[18][3]*SF[2] - P[18][1]*SPP[0]; - nextP[18][6] = P[18][6] + P[18][1]*SF[1] + P[18][3]*SF[0] + P[18][0]*SPP[0] - P[18][2]*SPP[1]; - nextP[18][7] = P[18][7] + P[18][4]*dt; - nextP[18][8] = P[18][8] + P[18][5]*dt; - nextP[18][9] = P[18][9] + P[18][6]*dt; - nextP[18][10] = P[18][10]; - nextP[18][11] = P[18][11]; - nextP[18][12] = P[18][12]; - nextP[18][13] = P[18][13]; - nextP[18][14] = P[18][14]; - nextP[18][15] = P[18][15]; - nextP[18][16] = P[18][16]; - nextP[18][17] = P[18][17]; - nextP[18][18] = P[18][18]; - nextP[18][19] = P[18][19]; - nextP[18][20] = P[18][20]; - nextP[19][0] = P[19][0] + P[19][1]*SF[6] + P[19][2]*SPP[7] + P[19][3]*SPP[6] + P[19][10]*SPP[5] + P[19][11]*SPP[4] + P[19][12]*SPP[3]; - nextP[19][1] = P[19][1] + P[19][0]*SF[5] + P[19][2]*SF[4] + P[19][3]*SPP[7] + P[19][11]*SPP[3] - P[19][12]*SPP[4] - (P[19][10]*q0)/2; - nextP[19][2] = P[19][2] + P[19][0]*SF[3] + P[19][3]*SF[5] + P[19][1]*SPP[6] - P[19][10]*SPP[3] + P[19][12]*SPP[5] - (P[19][11]*q0)/2; - nextP[19][3] = P[19][3] + P[19][0]*SF[4] + P[19][1]*SF[3] + P[19][2]*SF[6] + P[19][10]*SPP[4] - P[19][11]*SPP[5] - (P[19][12]*q0)/2; - nextP[19][4] = P[19][4] + P[19][1]*SF[0] + P[19][0]*SF[2] + P[19][2]*SPP[0] - P[19][3]*SPP[2]; - nextP[19][5] = P[19][5] + P[19][0]*SF[1] + P[19][2]*SF[0] + P[19][3]*SF[2] - P[19][1]*SPP[0]; - nextP[19][6] = P[19][6] + P[19][1]*SF[1] + P[19][3]*SF[0] + P[19][0]*SPP[0] - P[19][2]*SPP[1]; - nextP[19][7] = P[19][7] + P[19][4]*dt; - nextP[19][8] = P[19][8] + P[19][5]*dt; - nextP[19][9] = P[19][9] + P[19][6]*dt; - nextP[19][10] = P[19][10]; - nextP[19][11] = P[19][11]; - nextP[19][12] = P[19][12]; - nextP[19][13] = P[19][13]; - nextP[19][14] = P[19][14]; - nextP[19][15] = P[19][15]; - nextP[19][16] = P[19][16]; - nextP[19][17] = P[19][17]; - nextP[19][18] = P[19][18]; - nextP[19][19] = P[19][19]; - nextP[19][20] = P[19][20]; - nextP[20][0] = P[20][0] + P[20][1]*SF[6] + P[20][2]*SPP[7] + P[20][3]*SPP[6] + P[20][10]*SPP[5] + P[20][11]*SPP[4] + P[20][12]*SPP[3]; - nextP[20][1] = P[20][1] + P[20][0]*SF[5] + P[20][2]*SF[4] + P[20][3]*SPP[7] + P[20][11]*SPP[3] - P[20][12]*SPP[4] - (P[20][10]*q0)/2; - nextP[20][2] = P[20][2] + P[20][0]*SF[3] + P[20][3]*SF[5] + P[20][1]*SPP[6] - P[20][10]*SPP[3] + P[20][12]*SPP[5] - (P[20][11]*q0)/2; - nextP[20][3] = P[20][3] + P[20][0]*SF[4] + P[20][1]*SF[3] + P[20][2]*SF[6] + P[20][10]*SPP[4] - P[20][11]*SPP[5] - (P[20][12]*q0)/2; - nextP[20][4] = P[20][4] + P[20][1]*SF[0] + P[20][0]*SF[2] + P[20][2]*SPP[0] - P[20][3]*SPP[2]; - nextP[20][5] = P[20][5] + P[20][0]*SF[1] + P[20][2]*SF[0] + P[20][3]*SF[2] - P[20][1]*SPP[0]; - nextP[20][6] = P[20][6] + P[20][1]*SF[1] + P[20][3]*SF[0] + P[20][0]*SPP[0] - P[20][2]*SPP[1]; - nextP[20][7] = P[20][7] + P[20][4]*dt; - nextP[20][8] = P[20][8] + P[20][5]*dt; - nextP[20][9] = P[20][9] + P[20][6]*dt; - nextP[20][10] = P[20][10]; - nextP[20][11] = P[20][11]; - nextP[20][12] = P[20][12]; - nextP[20][13] = P[20][13]; - nextP[20][14] = P[20][14]; - nextP[20][15] = P[20][15]; - nextP[20][16] = P[20][16]; - nextP[20][17] = P[20][17]; - nextP[20][18] = P[20][18]; - nextP[20][19] = P[20][19]; - nextP[20][20] = P[20][20]; - - for (unsigned i = 0; i < n_states; i++) - { - nextP[i][i] = nextP[i][i] + processNoise[i]; - } - - // If on ground or no magnetometer fitted, inhibit magnetometer bias updates by - // setting the coresponding covariance terms to zero. - if (onGround || !useCompass) - { - zeroRows(nextP,15,20); - zeroCols(nextP,15,20); - } - - // If on ground or not using airspeed sensing, inhibit wind velocity - // covariance growth. - if (onGround || !useAirspeed) - { - zeroRows(nextP,13,14); - zeroCols(nextP,13,14); - } - - // If the total position variance exceds 1E6 (1000m), then stop covariance - // growth by setting the predicted to the previous values - // This prevent an ill conditioned matrix from occurring for long periods - // without GPS - if ((P[7][7] + P[8][8]) > 1E6f) - { - for (uint8_t i=7; i<=8; i++) - { - for (unsigned j = 0; j < n_states; j++) - { - nextP[i][j] = P[i][j]; - nextP[j][i] = P[j][i]; - } - } - } - - if (onGround || staticMode) { - // copy the portion of the variances we want to - // propagate - for (unsigned i = 0; i < 14; i++) { - P[i][i] = nextP[i][i]; - - // force symmetry for observable states - // force zero for non-observable states - for (unsigned i = 1; i < n_states; i++) - { - for (uint8_t j = 0; j < i; j++) - { - if ((i > 12) || (j > 12)) { - P[i][j] = 0.0f; - } else { - P[i][j] = 0.5f * (nextP[i][j] + nextP[j][i]); - } - P[j][i] = P[i][j]; - } - } - } - - } else { - - // Copy covariance - for (unsigned i = 0; i < n_states; i++) { - P[i][i] = nextP[i][i]; - } - - // force symmetry for observable states - for (unsigned i = 1; i < n_states; i++) - { - for (uint8_t j = 0; j < i; j++) - { - P[i][j] = 0.5f * (nextP[i][j] + nextP[j][i]); - P[j][i] = P[i][j]; - } - } - - } - - ConstrainVariances(); -} - -void AttPosEKF::FuseVelposNED() -{ - -// declare variables used by fault isolation logic - uint32_t gpsRetryTime = 30000; // time in msec before GPS fusion will be retried following innovation consistency failure - uint32_t gpsRetryTimeNoTAS = 5000; // retry time if no TAS measurement available - uint32_t hgtRetryTime = 5000; // height measurement retry time - uint32_t horizRetryTime; - -// declare variables used to check measurement errors - float velInnov[3] = {0.0f,0.0f,0.0f}; - float posInnov[2] = {0.0f,0.0f}; - float hgtInnov = 0.0f; - -// declare variables used to control access to arrays - bool fuseData[6] = {false,false,false,false,false,false}; - uint8_t stateIndex; - uint8_t obsIndex; - uint8_t indexLimit; - -// declare variables used by state and covariance update calculations - float velErr; - float posErr; - float R_OBS[6]; - float observation[6]; - float SK; - float quatMag; - -// Perform sequential fusion of GPS measurements. This assumes that the -// errors in the different velocity and position components are -// uncorrelated which is not true, however in the absence of covariance -// data from the GPS receiver it is the only assumption we can make -// so we might as well take advantage of the computational efficiencies -// associated with sequential fusion - if (fuseVelData || fusePosData || fuseHgtData) - { - // set the GPS data timeout depending on whether airspeed data is present - if (useAirspeed) horizRetryTime = gpsRetryTime; - else horizRetryTime = gpsRetryTimeNoTAS; - - // Form the observation vector - for (uint8_t i=0; i<=2; i++) observation[i] = velNED[i]; - for (uint8_t i=3; i<=4; i++) observation[i] = posNE[i-3]; - observation[5] = -(hgtMea); - - // Estimate the GPS Velocity, GPS horiz position and height measurement variances. - velErr = 0.2f*accNavMag; // additional error in GPS velocities caused by manoeuvring - posErr = 0.2f*accNavMag; // additional error in GPS position caused by manoeuvring - R_OBS[0] = 0.04f + sq(velErr); - R_OBS[1] = R_OBS[0]; - R_OBS[2] = 0.08f + sq(velErr); - R_OBS[3] = R_OBS[2]; - R_OBS[4] = 4.0f + sq(posErr); - R_OBS[5] = 4.0f; - - // Set innovation variances to zero default - for (uint8_t i = 0; i<=5; i++) - { - varInnovVelPos[i] = 0.0f; - } - // calculate innovations and check GPS data validity using an innovation consistency check - if (fuseVelData) - { - // test velocity measurements - uint8_t imax = 2; - if (fusionModeGPS == 1) imax = 1; - for (uint8_t i = 0; i<=imax; i++) - { - velInnov[i] = statesAtVelTime[i+4] - velNED[i]; - stateIndex = 4 + i; - varInnovVelPos[i] = P[stateIndex][stateIndex] + R_OBS[i]; - } - // apply a 5-sigma threshold - current_ekf_state.velHealth = (sq(velInnov[0]) + sq(velInnov[1]) + sq(velInnov[2])) < 25.0f * (varInnovVelPos[0] + varInnovVelPos[1] + varInnovVelPos[2]); - current_ekf_state.velTimeout = (millis() - current_ekf_state.velFailTime) > horizRetryTime; - if (current_ekf_state.velHealth || current_ekf_state.velTimeout) - { - current_ekf_state.velHealth = true; - current_ekf_state.velFailTime = millis(); - } - else - { - current_ekf_state.velHealth = false; - } - } - if (fusePosData) - { - // test horizontal position measurements - posInnov[0] = statesAtPosTime[7] - posNE[0]; - posInnov[1] = statesAtPosTime[8] - posNE[1]; - varInnovVelPos[3] = P[7][7] + R_OBS[3]; - varInnovVelPos[4] = P[8][8] + R_OBS[4]; - // apply a 10-sigma threshold - current_ekf_state.posHealth = (sq(posInnov[0]) + sq(posInnov[1])) < 100.0f*(varInnovVelPos[3] + varInnovVelPos[4]); - current_ekf_state.posTimeout = (millis() - current_ekf_state.posFailTime) > horizRetryTime; - if (current_ekf_state.posHealth || current_ekf_state.posTimeout) - { - current_ekf_state.posHealth = true; - current_ekf_state.posFailTime = millis(); - } - else - { - current_ekf_state.posHealth = false; - } - } - // test height measurements - if (fuseHgtData) - { - hgtInnov = statesAtHgtTime[9] + hgtMea; - varInnovVelPos[5] = P[9][9] + R_OBS[5]; - // apply a 10-sigma threshold - current_ekf_state.hgtHealth = sq(hgtInnov) < 100.0f*varInnovVelPos[5]; - current_ekf_state.hgtTimeout = (millis() - current_ekf_state.hgtFailTime) > hgtRetryTime; - if (current_ekf_state.hgtHealth || current_ekf_state.hgtTimeout) - { - current_ekf_state.hgtHealth = true; - current_ekf_state.hgtFailTime = millis(); - } - else - { - current_ekf_state.hgtHealth = false; - } - } - // Set range for sequential fusion of velocity and position measurements depending - // on which data is available and its health - if (fuseVelData && fusionModeGPS == 0 && current_ekf_state.velHealth) - { - fuseData[0] = true; - fuseData[1] = true; - fuseData[2] = true; - } - if (fuseVelData && fusionModeGPS == 1 && current_ekf_state.velHealth) - { - fuseData[0] = true; - fuseData[1] = true; - } - if (fusePosData && fusionModeGPS <= 2 && current_ekf_state.posHealth) - { - fuseData[3] = true; - fuseData[4] = true; - } - if (fuseHgtData && current_ekf_state.hgtHealth) - { - fuseData[5] = true; - } - // Limit range of states modified when on ground - if(!onGround) - { - indexLimit = 20; - } - else - { - indexLimit = 12; - } - // Fuse measurements sequentially - for (obsIndex=0; obsIndex<=5; obsIndex++) - { - if (fuseData[obsIndex]) - { - stateIndex = 4 + obsIndex; - // Calculate the measurement innovation, using states from a - // different time coordinate if fusing height data - if (obsIndex >= 0 && obsIndex <= 2) - { - innovVelPos[obsIndex] = statesAtVelTime[stateIndex] - observation[obsIndex]; - } - else if (obsIndex == 3 || obsIndex == 4) - { - innovVelPos[obsIndex] = statesAtPosTime[stateIndex] - observation[obsIndex]; - } - else if (obsIndex == 5) - { - innovVelPos[obsIndex] = statesAtHgtTime[stateIndex] - observation[obsIndex]; - } - // Calculate the Kalman Gain - // Calculate innovation variances - also used for data logging - varInnovVelPos[obsIndex] = P[stateIndex][stateIndex] + R_OBS[obsIndex]; - SK = 1.0/varInnovVelPos[obsIndex]; - for (uint8_t i= 0; i<=indexLimit; i++) - { - Kfusion[i] = P[i][stateIndex]*SK; - } - // Calculate state corrections and re-normalise the quaternions - for (uint8_t i = 0; i<=indexLimit; i++) - { - states[i] = states[i] - Kfusion[i] * innovVelPos[obsIndex]; - } - quatMag = sqrt(states[0]*states[0] + states[1]*states[1] + states[2]*states[2] + states[3]*states[3]); - if (quatMag > 1e-12f) // divide by 0 protection - { - for (uint8_t i = 0; i<=3; i++) - { - states[i] = states[i] / quatMag; - } - } - // Update the covariance - take advantage of direct observation of a - // single state at index = stateIndex to reduce computations - // Optimised implementation of standard equation P = (I - K*H)*P; - for (uint8_t i= 0; i<=indexLimit; i++) - { - for (uint8_t j= 0; j<=indexLimit; j++) - { - KHP[i][j] = Kfusion[i] * P[stateIndex][j]; - } - } - for (uint8_t i= 0; i<=indexLimit; i++) - { - for (uint8_t j= 0; j<=indexLimit; j++) - { - P[i][j] = P[i][j] - KHP[i][j]; - } - } - } - } - } - - ForceSymmetry(); - ConstrainVariances(); - - //printf("velh: %s, posh: %s, hgth: %s\n", ((velHealth) ? "OK" : "FAIL"), ((posHealth) ? "OK" : "FAIL"), ((hgtHealth) ? "OK" : "FAIL")); -} - -void AttPosEKF::FuseMagnetometer() -{ - uint8_t obsIndex; - uint8_t indexLimit; - float DCM[3][3] = - { - {1.0f,0.0f,0.0f} , - {0.0f,1.0f,0.0f} , - {0.0f,0.0f,1.0f} - }; - float MagPred[3] = {0.0f,0.0f,0.0f}; - float SK_MX[6]; - float SK_MY[5]; - float SK_MZ[6]; - float SH_MAG[9] = {0.0f,0.0f,0.0f,0.0f,0.0f,0.0f,0.0f,0.0f,0.0f}; - -// Perform sequential fusion of Magnetometer measurements. -// This assumes that the errors in the different components are -// uncorrelated which is not true, however in the absence of covariance -// data fit is the only assumption we can make -// so we might as well take advantage of the computational efficiencies -// associated with sequential fusion - if (useCompass && (fuseMagData || obsIndex == 1 || obsIndex == 2)) - { - // Limit range of states modified when on ground - if(!onGround) - { - indexLimit = 20; - } - else - { - indexLimit = 12; - } - - static float q0 = 0.0f; - static float q1 = 0.0f; - static float q2 = 0.0f; - static float q3 = 1.0f; - static float magN = 0.4f; - static float magE = 0.0f; - static float magD = 0.3f; - - static float R_MAG = 0.0025f; - - float H_MAG[21] = {0.0f,0.0f,0.0f,0.0f,0.0f,0.0f,0.0f,0.0f,0.0f,0.0f,0.0f,0.0f,0.0f,0.0f,0.0f,0.0f,0.0f,0.0f,0.0f,0.0f,0.0f}; - - // Sequential fusion of XYZ components to spread processing load across - // three prediction time steps. - - // Calculate observation jacobians and Kalman gains - if (fuseMagData) - { - static float magXbias = 0.0f; - static float magYbias = 0.0f; - static float magZbias = 0.0f; - - // Copy required states to local variable names - q0 = statesAtMagMeasTime[0]; - q1 = statesAtMagMeasTime[1]; - q2 = statesAtMagMeasTime[2]; - q3 = statesAtMagMeasTime[3]; - magN = statesAtMagMeasTime[15]; - magE = statesAtMagMeasTime[16]; - magD = statesAtMagMeasTime[17]; - magXbias = statesAtMagMeasTime[18]; - magYbias = statesAtMagMeasTime[19]; - magZbias = statesAtMagMeasTime[20]; - - // rotate predicted earth components into body axes and calculate - // predicted measurments - DCM[0][0] = q0*q0 + q1*q1 - q2*q2 - q3*q3; - DCM[0][1] = 2*(q1*q2 + q0*q3); - DCM[0][2] = 2*(q1*q3-q0*q2); - DCM[1][0] = 2*(q1*q2 - q0*q3); - DCM[1][1] = q0*q0 - q1*q1 + q2*q2 - q3*q3; - DCM[1][2] = 2*(q2*q3 + q0*q1); - DCM[2][0] = 2*(q1*q3 + q0*q2); - DCM[2][1] = 2*(q2*q3 - q0*q1); - DCM[2][2] = q0*q0 - q1*q1 - q2*q2 + q3*q3; - MagPred[0] = DCM[0][0]*magN + DCM[0][1]*magE + DCM[0][2]*magD + magXbias; - MagPred[1] = DCM[1][0]*magN + DCM[1][1]*magE + DCM[1][2]*magD + magYbias; - MagPred[2] = DCM[2][0]*magN + DCM[2][1]*magE + DCM[2][2]*magD + magZbias; - - // scale magnetometer observation error with total angular rate - R_MAG = 0.0025f + sq(0.05f*dAngIMU.length()/dtIMU); - - // Calculate observation jacobians - SH_MAG[0] = 2*magD*q3 + 2*magE*q2 + 2*magN*q1; - SH_MAG[1] = 2*magD*q0 - 2*magE*q1 + 2*magN*q2; - SH_MAG[2] = 2*magD*q1 + 2*magE*q0 - 2*magN*q3; - SH_MAG[3] = sq(q3); - SH_MAG[4] = sq(q2); - SH_MAG[5] = sq(q1); - SH_MAG[6] = sq(q0); - SH_MAG[7] = 2*magN*q0; - SH_MAG[8] = 2*magE*q3; - - for (uint8_t i=0; i<=20; i++) H_MAG[i] = 0; - H_MAG[0] = SH_MAG[7] + SH_MAG[8] - 2*magD*q2; - H_MAG[1] = SH_MAG[0]; - H_MAG[2] = 2*magE*q1 - 2*magD*q0 - 2*magN*q2; - H_MAG[3] = SH_MAG[2]; - H_MAG[15] = SH_MAG[5] - SH_MAG[4] - SH_MAG[3] + SH_MAG[6]; - H_MAG[16] = 2*q0*q3 + 2*q1*q2; - H_MAG[17] = 2*q1*q3 - 2*q0*q2; - H_MAG[18] = 1.0f; - - // Calculate Kalman gain - SK_MX[0] = 1/(P[18][18] + R_MAG + P[1][18]*SH_MAG[0] + P[3][18]*SH_MAG[2] - P[15][18]*(SH_MAG[3] + SH_MAG[4] - SH_MAG[5] - SH_MAG[6]) - (2*magD*q0 - 2*magE*q1 + 2*magN*q2)*(P[18][2] + P[1][2]*SH_MAG[0] + P[3][2]*SH_MAG[2] - P[15][2]*(SH_MAG[3] + SH_MAG[4] - SH_MAG[5] - SH_MAG[6]) + P[16][2]*(2*q0*q3 + 2*q1*q2) - P[17][2]*(2*q0*q2 - 2*q1*q3) - P[2][2]*(2*magD*q0 - 2*magE*q1 + 2*magN*q2) + P[0][2]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)) + (SH_MAG[7] + SH_MAG[8] - 2*magD*q2)*(P[18][0] + P[1][0]*SH_MAG[0] + P[3][0]*SH_MAG[2] - P[15][0]*(SH_MAG[3] + SH_MAG[4] - SH_MAG[5] - SH_MAG[6]) + P[16][0]*(2*q0*q3 + 2*q1*q2) - P[17][0]*(2*q0*q2 - 2*q1*q3) - P[2][0]*(2*magD*q0 - 2*magE*q1 + 2*magN*q2) + P[0][0]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)) + SH_MAG[0]*(P[18][1] + P[1][1]*SH_MAG[0] + P[3][1]*SH_MAG[2] - P[15][1]*(SH_MAG[3] + SH_MAG[4] - SH_MAG[5] - SH_MAG[6]) + P[16][1]*(2*q0*q3 + 2*q1*q2) - P[17][1]*(2*q0*q2 - 2*q1*q3) - P[2][1]*(2*magD*q0 - 2*magE*q1 + 2*magN*q2) + P[0][1]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)) + SH_MAG[2]*(P[18][3] + P[1][3]*SH_MAG[0] + P[3][3]*SH_MAG[2] - P[15][3]*(SH_MAG[3] + SH_MAG[4] - SH_MAG[5] - SH_MAG[6]) + P[16][3]*(2*q0*q3 + 2*q1*q2) - P[17][3]*(2*q0*q2 - 2*q1*q3) - P[2][3]*(2*magD*q0 - 2*magE*q1 + 2*magN*q2) + P[0][3]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)) - (SH_MAG[3] + SH_MAG[4] - SH_MAG[5] - SH_MAG[6])*(P[18][15] + P[1][15]*SH_MAG[0] + P[3][15]*SH_MAG[2] - P[15][15]*(SH_MAG[3] + SH_MAG[4] - SH_MAG[5] - SH_MAG[6]) + P[16][15]*(2*q0*q3 + 2*q1*q2) - P[17][15]*(2*q0*q2 - 2*q1*q3) - P[2][15]*(2*magD*q0 - 2*magE*q1 + 2*magN*q2) + P[0][15]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)) + P[16][18]*(2*q0*q3 + 2*q1*q2) - P[17][18]*(2*q0*q2 - 2*q1*q3) - P[2][18]*(2*magD*q0 - 2*magE*q1 + 2*magN*q2) + (2*q0*q3 + 2*q1*q2)*(P[18][16] + P[1][16]*SH_MAG[0] + P[3][16]*SH_MAG[2] - P[15][16]*(SH_MAG[3] + SH_MAG[4] - SH_MAG[5] - SH_MAG[6]) + P[16][16]*(2*q0*q3 + 2*q1*q2) - P[17][16]*(2*q0*q2 - 2*q1*q3) - P[2][16]*(2*magD*q0 - 2*magE*q1 + 2*magN*q2) + P[0][16]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)) - (2*q0*q2 - 2*q1*q3)*(P[18][17] + P[1][17]*SH_MAG[0] + P[3][17]*SH_MAG[2] - P[15][17]*(SH_MAG[3] + SH_MAG[4] - SH_MAG[5] - SH_MAG[6]) + P[16][17]*(2*q0*q3 + 2*q1*q2) - P[17][17]*(2*q0*q2 - 2*q1*q3) - P[2][17]*(2*magD*q0 - 2*magE*q1 + 2*magN*q2) + P[0][17]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)) + P[0][18]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)); - SK_MX[1] = SH_MAG[3] + SH_MAG[4] - SH_MAG[5] - SH_MAG[6]; - SK_MX[2] = 2*magD*q0 - 2*magE*q1 + 2*magN*q2; - SK_MX[3] = SH_MAG[7] + SH_MAG[8] - 2*magD*q2; - SK_MX[4] = 2*q0*q2 - 2*q1*q3; - SK_MX[5] = 2*q0*q3 + 2*q1*q2; - Kfusion[0] = SK_MX[0]*(P[0][18] + P[0][1]*SH_MAG[0] + P[0][3]*SH_MAG[2] + P[0][0]*SK_MX[3] - P[0][2]*SK_MX[2] - P[0][15]*SK_MX[1] + P[0][16]*SK_MX[5] - P[0][17]*SK_MX[4]); - Kfusion[1] = SK_MX[0]*(P[1][18] + P[1][1]*SH_MAG[0] + P[1][3]*SH_MAG[2] + P[1][0]*SK_MX[3] - P[1][2]*SK_MX[2] - P[1][15]*SK_MX[1] + P[1][16]*SK_MX[5] - P[1][17]*SK_MX[4]); - Kfusion[2] = SK_MX[0]*(P[2][18] + P[2][1]*SH_MAG[0] + P[2][3]*SH_MAG[2] + P[2][0]*SK_MX[3] - P[2][2]*SK_MX[2] - P[2][15]*SK_MX[1] + P[2][16]*SK_MX[5] - P[2][17]*SK_MX[4]); - Kfusion[3] = SK_MX[0]*(P[3][18] + P[3][1]*SH_MAG[0] + P[3][3]*SH_MAG[2] + P[3][0]*SK_MX[3] - P[3][2]*SK_MX[2] - P[3][15]*SK_MX[1] + P[3][16]*SK_MX[5] - P[3][17]*SK_MX[4]); - Kfusion[4] = SK_MX[0]*(P[4][18] + P[4][1]*SH_MAG[0] + P[4][3]*SH_MAG[2] + P[4][0]*SK_MX[3] - P[4][2]*SK_MX[2] - P[4][15]*SK_MX[1] + P[4][16]*SK_MX[5] - P[4][17]*SK_MX[4]); - Kfusion[5] = SK_MX[0]*(P[5][18] + P[5][1]*SH_MAG[0] + P[5][3]*SH_MAG[2] + P[5][0]*SK_MX[3] - P[5][2]*SK_MX[2] - P[5][15]*SK_MX[1] + P[5][16]*SK_MX[5] - P[5][17]*SK_MX[4]); - Kfusion[6] = SK_MX[0]*(P[6][18] + P[6][1]*SH_MAG[0] + P[6][3]*SH_MAG[2] + P[6][0]*SK_MX[3] - P[6][2]*SK_MX[2] - P[6][15]*SK_MX[1] + P[6][16]*SK_MX[5] - P[6][17]*SK_MX[4]); - Kfusion[7] = SK_MX[0]*(P[7][18] + P[7][1]*SH_MAG[0] + P[7][3]*SH_MAG[2] + P[7][0]*SK_MX[3] - P[7][2]*SK_MX[2] - P[7][15]*SK_MX[1] + P[7][16]*SK_MX[5] - P[7][17]*SK_MX[4]); - Kfusion[8] = SK_MX[0]*(P[8][18] + P[8][1]*SH_MAG[0] + P[8][3]*SH_MAG[2] + P[8][0]*SK_MX[3] - P[8][2]*SK_MX[2] - P[8][15]*SK_MX[1] + P[8][16]*SK_MX[5] - P[8][17]*SK_MX[4]); - Kfusion[9] = SK_MX[0]*(P[9][18] + P[9][1]*SH_MAG[0] + P[9][3]*SH_MAG[2] + P[9][0]*SK_MX[3] - P[9][2]*SK_MX[2] - P[9][15]*SK_MX[1] + P[9][16]*SK_MX[5] - P[9][17]*SK_MX[4]); - Kfusion[10] = SK_MX[0]*(P[10][18] + P[10][1]*SH_MAG[0] + P[10][3]*SH_MAG[2] + P[10][0]*SK_MX[3] - P[10][2]*SK_MX[2] - P[10][15]*SK_MX[1] + P[10][16]*SK_MX[5] - P[10][17]*SK_MX[4]); - Kfusion[11] = SK_MX[0]*(P[11][18] + P[11][1]*SH_MAG[0] + P[11][3]*SH_MAG[2] + P[11][0]*SK_MX[3] - P[11][2]*SK_MX[2] - P[11][15]*SK_MX[1] + P[11][16]*SK_MX[5] - P[11][17]*SK_MX[4]); - Kfusion[12] = SK_MX[0]*(P[12][18] + P[12][1]*SH_MAG[0] + P[12][3]*SH_MAG[2] + P[12][0]*SK_MX[3] - P[12][2]*SK_MX[2] - P[12][15]*SK_MX[1] + P[12][16]*SK_MX[5] - P[12][17]*SK_MX[4]); - Kfusion[13] = SK_MX[0]*(P[13][18] + P[13][1]*SH_MAG[0] + P[13][3]*SH_MAG[2] + P[13][0]*SK_MX[3] - P[13][2]*SK_MX[2] - P[13][15]*SK_MX[1] + P[13][16]*SK_MX[5] - P[13][17]*SK_MX[4]); - Kfusion[14] = SK_MX[0]*(P[14][18] + P[14][1]*SH_MAG[0] + P[14][3]*SH_MAG[2] + P[14][0]*SK_MX[3] - P[14][2]*SK_MX[2] - P[14][15]*SK_MX[1] + P[14][16]*SK_MX[5] - P[14][17]*SK_MX[4]); - Kfusion[15] = SK_MX[0]*(P[15][18] + P[15][1]*SH_MAG[0] + P[15][3]*SH_MAG[2] + P[15][0]*SK_MX[3] - P[15][2]*SK_MX[2] - P[15][15]*SK_MX[1] + P[15][16]*SK_MX[5] - P[15][17]*SK_MX[4]); - Kfusion[16] = SK_MX[0]*(P[16][18] + P[16][1]*SH_MAG[0] + P[16][3]*SH_MAG[2] + P[16][0]*SK_MX[3] - P[16][2]*SK_MX[2] - P[16][15]*SK_MX[1] + P[16][16]*SK_MX[5] - P[16][17]*SK_MX[4]); - Kfusion[17] = SK_MX[0]*(P[17][18] + P[17][1]*SH_MAG[0] + P[17][3]*SH_MAG[2] + P[17][0]*SK_MX[3] - P[17][2]*SK_MX[2] - P[17][15]*SK_MX[1] + P[17][16]*SK_MX[5] - P[17][17]*SK_MX[4]); - Kfusion[18] = SK_MX[0]*(P[18][18] + P[18][1]*SH_MAG[0] + P[18][3]*SH_MAG[2] + P[18][0]*SK_MX[3] - P[18][2]*SK_MX[2] - P[18][15]*SK_MX[1] + P[18][16]*SK_MX[5] - P[18][17]*SK_MX[4]); - Kfusion[19] = SK_MX[0]*(P[19][18] + P[19][1]*SH_MAG[0] + P[19][3]*SH_MAG[2] + P[19][0]*SK_MX[3] - P[19][2]*SK_MX[2] - P[19][15]*SK_MX[1] + P[19][16]*SK_MX[5] - P[19][17]*SK_MX[4]); - Kfusion[20] = SK_MX[0]*(P[20][18] + P[20][1]*SH_MAG[0] + P[20][3]*SH_MAG[2] + P[20][0]*SK_MX[3] - P[20][2]*SK_MX[2] - P[20][15]*SK_MX[1] + P[20][16]*SK_MX[5] - P[20][17]*SK_MX[4]); - varInnovMag[0] = 1.0f/SK_MX[0]; - innovMag[0] = MagPred[0] - magData.x; - - // reset the observation index to 0 (we start by fusing the X - // measurement) - obsIndex = 0; - } - else if (obsIndex == 1) // we are now fusing the Y measurement - { - // Calculate observation jacobians - for (unsigned int i=0; i<n_states; i++) H_MAG[i] = 0; - H_MAG[0] = SH_MAG[2]; - H_MAG[1] = SH_MAG[1]; - H_MAG[2] = SH_MAG[0]; - H_MAG[3] = 2*magD*q2 - SH_MAG[8] - SH_MAG[7]; - H_MAG[15] = 2*q1*q2 - 2*q0*q3; - H_MAG[16] = SH_MAG[4] - SH_MAG[3] - SH_MAG[5] + SH_MAG[6]; - H_MAG[17] = 2*q0*q1 + 2*q2*q3; - H_MAG[19] = 1; - - // Calculate Kalman gain - SK_MY[0] = 1/(P[19][19] + R_MAG + P[0][19]*SH_MAG[2] + P[1][19]*SH_MAG[1] + P[2][19]*SH_MAG[0] - P[16][19]*(SH_MAG[3] - SH_MAG[4] + SH_MAG[5] - SH_MAG[6]) - (2*q0*q3 - 2*q1*q2)*(P[19][15] + P[0][15]*SH_MAG[2] + P[1][15]*SH_MAG[1] + P[2][15]*SH_MAG[0] - P[16][15]*(SH_MAG[3] - SH_MAG[4] + SH_MAG[5] - SH_MAG[6]) - P[15][15]*(2*q0*q3 - 2*q1*q2) + P[17][15]*(2*q0*q1 + 2*q2*q3) - P[3][15]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)) + (2*q0*q1 + 2*q2*q3)*(P[19][17] + P[0][17]*SH_MAG[2] + P[1][17]*SH_MAG[1] + P[2][17]*SH_MAG[0] - P[16][17]*(SH_MAG[3] - SH_MAG[4] + SH_MAG[5] - SH_MAG[6]) - P[15][17]*(2*q0*q3 - 2*q1*q2) + P[17][17]*(2*q0*q1 + 2*q2*q3) - P[3][17]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)) - (SH_MAG[7] + SH_MAG[8] - 2*magD*q2)*(P[19][3] + P[0][3]*SH_MAG[2] + P[1][3]*SH_MAG[1] + P[2][3]*SH_MAG[0] - P[16][3]*(SH_MAG[3] - SH_MAG[4] + SH_MAG[5] - SH_MAG[6]) - P[15][3]*(2*q0*q3 - 2*q1*q2) + P[17][3]*(2*q0*q1 + 2*q2*q3) - P[3][3]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)) - P[15][19]*(2*q0*q3 - 2*q1*q2) + P[17][19]*(2*q0*q1 + 2*q2*q3) + SH_MAG[2]*(P[19][0] + P[0][0]*SH_MAG[2] + P[1][0]*SH_MAG[1] + P[2][0]*SH_MAG[0] - P[16][0]*(SH_MAG[3] - SH_MAG[4] + SH_MAG[5] - SH_MAG[6]) - P[15][0]*(2*q0*q3 - 2*q1*q2) + P[17][0]*(2*q0*q1 + 2*q2*q3) - P[3][0]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)) + SH_MAG[1]*(P[19][1] + P[0][1]*SH_MAG[2] + P[1][1]*SH_MAG[1] + P[2][1]*SH_MAG[0] - P[16][1]*(SH_MAG[3] - SH_MAG[4] + SH_MAG[5] - SH_MAG[6]) - P[15][1]*(2*q0*q3 - 2*q1*q2) + P[17][1]*(2*q0*q1 + 2*q2*q3) - P[3][1]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)) + SH_MAG[0]*(P[19][2] + P[0][2]*SH_MAG[2] + P[1][2]*SH_MAG[1] + P[2][2]*SH_MAG[0] - P[16][2]*(SH_MAG[3] - SH_MAG[4] + SH_MAG[5] - SH_MAG[6]) - P[15][2]*(2*q0*q3 - 2*q1*q2) + P[17][2]*(2*q0*q1 + 2*q2*q3) - P[3][2]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)) - (SH_MAG[3] - SH_MAG[4] + SH_MAG[5] - SH_MAG[6])*(P[19][16] + P[0][16]*SH_MAG[2] + P[1][16]*SH_MAG[1] + P[2][16]*SH_MAG[0] - P[16][16]*(SH_MAG[3] - SH_MAG[4] + SH_MAG[5] - SH_MAG[6]) - P[15][16]*(2*q0*q3 - 2*q1*q2) + P[17][16]*(2*q0*q1 + 2*q2*q3) - P[3][16]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)) - P[3][19]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)); - SK_MY[1] = SH_MAG[3] - SH_MAG[4] + SH_MAG[5] - SH_MAG[6]; - SK_MY[2] = SH_MAG[7] + SH_MAG[8] - 2*magD*q2; - SK_MY[3] = 2*q0*q3 - 2*q1*q2; - SK_MY[4] = 2*q0*q1 + 2*q2*q3; - Kfusion[0] = SK_MY[0]*(P[0][19] + P[0][0]*SH_MAG[2] + P[0][1]*SH_MAG[1] + P[0][2]*SH_MAG[0] - P[0][3]*SK_MY[2] - P[0][16]*SK_MY[1] - P[0][15]*SK_MY[3] + P[0][17]*SK_MY[4]); - Kfusion[1] = SK_MY[0]*(P[1][19] + P[1][0]*SH_MAG[2] + P[1][1]*SH_MAG[1] + P[1][2]*SH_MAG[0] - P[1][3]*SK_MY[2] - P[1][16]*SK_MY[1] - P[1][15]*SK_MY[3] + P[1][17]*SK_MY[4]); - Kfusion[2] = SK_MY[0]*(P[2][19] + P[2][0]*SH_MAG[2] + P[2][1]*SH_MAG[1] + P[2][2]*SH_MAG[0] - P[2][3]*SK_MY[2] - P[2][16]*SK_MY[1] - P[2][15]*SK_MY[3] + P[2][17]*SK_MY[4]); - Kfusion[3] = SK_MY[0]*(P[3][19] + P[3][0]*SH_MAG[2] + P[3][1]*SH_MAG[1] + P[3][2]*SH_MAG[0] - P[3][3]*SK_MY[2] - P[3][16]*SK_MY[1] - P[3][15]*SK_MY[3] + P[3][17]*SK_MY[4]); - Kfusion[4] = SK_MY[0]*(P[4][19] + P[4][0]*SH_MAG[2] + P[4][1]*SH_MAG[1] + P[4][2]*SH_MAG[0] - P[4][3]*SK_MY[2] - P[4][16]*SK_MY[1] - P[4][15]*SK_MY[3] + P[4][17]*SK_MY[4]); - Kfusion[5] = SK_MY[0]*(P[5][19] + P[5][0]*SH_MAG[2] + P[5][1]*SH_MAG[1] + P[5][2]*SH_MAG[0] - P[5][3]*SK_MY[2] - P[5][16]*SK_MY[1] - P[5][15]*SK_MY[3] + P[5][17]*SK_MY[4]); - Kfusion[6] = SK_MY[0]*(P[6][19] + P[6][0]*SH_MAG[2] + P[6][1]*SH_MAG[1] + P[6][2]*SH_MAG[0] - P[6][3]*SK_MY[2] - P[6][16]*SK_MY[1] - P[6][15]*SK_MY[3] + P[6][17]*SK_MY[4]); - Kfusion[7] = SK_MY[0]*(P[7][19] + P[7][0]*SH_MAG[2] + P[7][1]*SH_MAG[1] + P[7][2]*SH_MAG[0] - P[7][3]*SK_MY[2] - P[7][16]*SK_MY[1] - P[7][15]*SK_MY[3] + P[7][17]*SK_MY[4]); - Kfusion[8] = SK_MY[0]*(P[8][19] + P[8][0]*SH_MAG[2] + P[8][1]*SH_MAG[1] + P[8][2]*SH_MAG[0] - P[8][3]*SK_MY[2] - P[8][16]*SK_MY[1] - P[8][15]*SK_MY[3] + P[8][17]*SK_MY[4]); - Kfusion[9] = SK_MY[0]*(P[9][19] + P[9][0]*SH_MAG[2] + P[9][1]*SH_MAG[1] + P[9][2]*SH_MAG[0] - P[9][3]*SK_MY[2] - P[9][16]*SK_MY[1] - P[9][15]*SK_MY[3] + P[9][17]*SK_MY[4]); - Kfusion[10] = SK_MY[0]*(P[10][19] + P[10][0]*SH_MAG[2] + P[10][1]*SH_MAG[1] + P[10][2]*SH_MAG[0] - P[10][3]*SK_MY[2] - P[10][16]*SK_MY[1] - P[10][15]*SK_MY[3] + P[10][17]*SK_MY[4]); - Kfusion[11] = SK_MY[0]*(P[11][19] + P[11][0]*SH_MAG[2] + P[11][1]*SH_MAG[1] + P[11][2]*SH_MAG[0] - P[11][3]*SK_MY[2] - P[11][16]*SK_MY[1] - P[11][15]*SK_MY[3] + P[11][17]*SK_MY[4]); - Kfusion[12] = SK_MY[0]*(P[12][19] + P[12][0]*SH_MAG[2] + P[12][1]*SH_MAG[1] + P[12][2]*SH_MAG[0] - P[12][3]*SK_MY[2] - P[12][16]*SK_MY[1] - P[12][15]*SK_MY[3] + P[12][17]*SK_MY[4]); - Kfusion[13] = SK_MY[0]*(P[13][19] + P[13][0]*SH_MAG[2] + P[13][1]*SH_MAG[1] + P[13][2]*SH_MAG[0] - P[13][3]*SK_MY[2] - P[13][16]*SK_MY[1] - P[13][15]*SK_MY[3] + P[13][17]*SK_MY[4]); - Kfusion[14] = SK_MY[0]*(P[14][19] + P[14][0]*SH_MAG[2] + P[14][1]*SH_MAG[1] + P[14][2]*SH_MAG[0] - P[14][3]*SK_MY[2] - P[14][16]*SK_MY[1] - P[14][15]*SK_MY[3] + P[14][17]*SK_MY[4]); - Kfusion[15] = SK_MY[0]*(P[15][19] + P[15][0]*SH_MAG[2] + P[15][1]*SH_MAG[1] + P[15][2]*SH_MAG[0] - P[15][3]*SK_MY[2] - P[15][16]*SK_MY[1] - P[15][15]*SK_MY[3] + P[15][17]*SK_MY[4]); - Kfusion[16] = SK_MY[0]*(P[16][19] + P[16][0]*SH_MAG[2] + P[16][1]*SH_MAG[1] + P[16][2]*SH_MAG[0] - P[16][3]*SK_MY[2] - P[16][16]*SK_MY[1] - P[16][15]*SK_MY[3] + P[16][17]*SK_MY[4]); - Kfusion[17] = SK_MY[0]*(P[17][19] + P[17][0]*SH_MAG[2] + P[17][1]*SH_MAG[1] + P[17][2]*SH_MAG[0] - P[17][3]*SK_MY[2] - P[17][16]*SK_MY[1] - P[17][15]*SK_MY[3] + P[17][17]*SK_MY[4]); - Kfusion[18] = SK_MY[0]*(P[18][19] + P[18][0]*SH_MAG[2] + P[18][1]*SH_MAG[1] + P[18][2]*SH_MAG[0] - P[18][3]*SK_MY[2] - P[18][16]*SK_MY[1] - P[18][15]*SK_MY[3] + P[18][17]*SK_MY[4]); - Kfusion[19] = SK_MY[0]*(P[19][19] + P[19][0]*SH_MAG[2] + P[19][1]*SH_MAG[1] + P[19][2]*SH_MAG[0] - P[19][3]*SK_MY[2] - P[19][16]*SK_MY[1] - P[19][15]*SK_MY[3] + P[19][17]*SK_MY[4]); - Kfusion[20] = SK_MY[0]*(P[20][19] + P[20][0]*SH_MAG[2] + P[20][1]*SH_MAG[1] + P[20][2]*SH_MAG[0] - P[20][3]*SK_MY[2] - P[20][16]*SK_MY[1] - P[20][15]*SK_MY[3] + P[20][17]*SK_MY[4]); - varInnovMag[1] = 1.0f/SK_MY[0]; - innovMag[1] = MagPred[1] - magData.y; - } - else if (obsIndex == 2) // we are now fusing the Z measurement - { - // Calculate observation jacobians - for (uint8_t i=0; i<=20; i++) H_MAG[i] = 0; - H_MAG[0] = SH_MAG[1]; - H_MAG[1] = 2*magN*q3 - 2*magE*q0 - 2*magD*q1; - H_MAG[2] = SH_MAG[7] + SH_MAG[8] - 2*magD*q2; - H_MAG[3] = SH_MAG[0]; - H_MAG[15] = 2*q0*q2 + 2*q1*q3; - H_MAG[16] = 2*q2*q3 - 2*q0*q1; - H_MAG[17] = SH_MAG[3] - SH_MAG[4] - SH_MAG[5] + SH_MAG[6]; - H_MAG[20] = 1; - - // Calculate Kalman gain - SK_MZ[0] = 1/(P[20][20] + R_MAG + P[0][20]*SH_MAG[1] + P[3][20]*SH_MAG[0] + P[17][20]*(SH_MAG[3] - SH_MAG[4] - SH_MAG[5] + SH_MAG[6]) - (2*magD*q1 + 2*magE*q0 - 2*magN*q3)*(P[20][1] + P[0][1]*SH_MAG[1] + P[3][1]*SH_MAG[0] + P[17][1]*(SH_MAG[3] - SH_MAG[4] - SH_MAG[5] + SH_MAG[6]) + P[15][1]*(2*q0*q2 + 2*q1*q3) - P[16][1]*(2*q0*q1 - 2*q2*q3) - P[1][1]*(2*magD*q1 + 2*magE*q0 - 2*magN*q3) + P[2][1]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)) + (SH_MAG[7] + SH_MAG[8] - 2*magD*q2)*(P[20][2] + P[0][2]*SH_MAG[1] + P[3][2]*SH_MAG[0] + P[17][2]*(SH_MAG[3] - SH_MAG[4] - SH_MAG[5] + SH_MAG[6]) + P[15][2]*(2*q0*q2 + 2*q1*q3) - P[16][2]*(2*q0*q1 - 2*q2*q3) - P[1][2]*(2*magD*q1 + 2*magE*q0 - 2*magN*q3) + P[2][2]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)) + SH_MAG[1]*(P[20][0] + P[0][0]*SH_MAG[1] + P[3][0]*SH_MAG[0] + P[17][0]*(SH_MAG[3] - SH_MAG[4] - SH_MAG[5] + SH_MAG[6]) + P[15][0]*(2*q0*q2 + 2*q1*q3) - P[16][0]*(2*q0*q1 - 2*q2*q3) - P[1][0]*(2*magD*q1 + 2*magE*q0 - 2*magN*q3) + P[2][0]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)) + SH_MAG[0]*(P[20][3] + P[0][3]*SH_MAG[1] + P[3][3]*SH_MAG[0] + P[17][3]*(SH_MAG[3] - SH_MAG[4] - SH_MAG[5] + SH_MAG[6]) + P[15][3]*(2*q0*q2 + 2*q1*q3) - P[16][3]*(2*q0*q1 - 2*q2*q3) - P[1][3]*(2*magD*q1 + 2*magE*q0 - 2*magN*q3) + P[2][3]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)) + (SH_MAG[3] - SH_MAG[4] - SH_MAG[5] + SH_MAG[6])*(P[20][17] + P[0][17]*SH_MAG[1] + P[3][17]*SH_MAG[0] + P[17][17]*(SH_MAG[3] - SH_MAG[4] - SH_MAG[5] + SH_MAG[6]) + P[15][17]*(2*q0*q2 + 2*q1*q3) - P[16][17]*(2*q0*q1 - 2*q2*q3) - P[1][17]*(2*magD*q1 + 2*magE*q0 - 2*magN*q3) + P[2][17]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)) + P[15][20]*(2*q0*q2 + 2*q1*q3) - P[16][20]*(2*q0*q1 - 2*q2*q3) - P[1][20]*(2*magD*q1 + 2*magE*q0 - 2*magN*q3) + (2*q0*q2 + 2*q1*q3)*(P[20][15] + P[0][15]*SH_MAG[1] + P[3][15]*SH_MAG[0] + P[17][15]*(SH_MAG[3] - SH_MAG[4] - SH_MAG[5] + SH_MAG[6]) + P[15][15]*(2*q0*q2 + 2*q1*q3) - P[16][15]*(2*q0*q1 - 2*q2*q3) - P[1][15]*(2*magD*q1 + 2*magE*q0 - 2*magN*q3) + P[2][15]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)) - (2*q0*q1 - 2*q2*q3)*(P[20][16] + P[0][16]*SH_MAG[1] + P[3][16]*SH_MAG[0] + P[17][16]*(SH_MAG[3] - SH_MAG[4] - SH_MAG[5] + SH_MAG[6]) + P[15][16]*(2*q0*q2 + 2*q1*q3) - P[16][16]*(2*q0*q1 - 2*q2*q3) - P[1][16]*(2*magD*q1 + 2*magE*q0 - 2*magN*q3) + P[2][16]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)) + P[2][20]*(SH_MAG[7] + SH_MAG[8] - 2*magD*q2)); - SK_MZ[1] = SH_MAG[3] - SH_MAG[4] - SH_MAG[5] + SH_MAG[6]; - SK_MZ[2] = 2*magD*q1 + 2*magE*q0 - 2*magN*q3; - SK_MZ[3] = SH_MAG[7] + SH_MAG[8] - 2*magD*q2; - SK_MZ[4] = 2*q0*q1 - 2*q2*q3; - SK_MZ[5] = 2*q0*q2 + 2*q1*q3; - Kfusion[0] = SK_MZ[0]*(P[0][20] + P[0][0]*SH_MAG[1] + P[0][3]*SH_MAG[0] - P[0][1]*SK_MZ[2] + P[0][2]*SK_MZ[3] + P[0][17]*SK_MZ[1] + P[0][15]*SK_MZ[5] - P[0][16]*SK_MZ[4]); - Kfusion[1] = SK_MZ[0]*(P[1][20] + P[1][0]*SH_MAG[1] + P[1][3]*SH_MAG[0] - P[1][1]*SK_MZ[2] + P[1][2]*SK_MZ[3] + P[1][17]*SK_MZ[1] + P[1][15]*SK_MZ[5] - P[1][16]*SK_MZ[4]); - Kfusion[2] = SK_MZ[0]*(P[2][20] + P[2][0]*SH_MAG[1] + P[2][3]*SH_MAG[0] - P[2][1]*SK_MZ[2] + P[2][2]*SK_MZ[3] + P[2][17]*SK_MZ[1] + P[2][15]*SK_MZ[5] - P[2][16]*SK_MZ[4]); - Kfusion[3] = SK_MZ[0]*(P[3][20] + P[3][0]*SH_MAG[1] + P[3][3]*SH_MAG[0] - P[3][1]*SK_MZ[2] + P[3][2]*SK_MZ[3] + P[3][17]*SK_MZ[1] + P[3][15]*SK_MZ[5] - P[3][16]*SK_MZ[4]); - Kfusion[4] = SK_MZ[0]*(P[4][20] + P[4][0]*SH_MAG[1] + P[4][3]*SH_MAG[0] - P[4][1]*SK_MZ[2] + P[4][2]*SK_MZ[3] + P[4][17]*SK_MZ[1] + P[4][15]*SK_MZ[5] - P[4][16]*SK_MZ[4]); - Kfusion[5] = SK_MZ[0]*(P[5][20] + P[5][0]*SH_MAG[1] + P[5][3]*SH_MAG[0] - P[5][1]*SK_MZ[2] + P[5][2]*SK_MZ[3] + P[5][17]*SK_MZ[1] + P[5][15]*SK_MZ[5] - P[5][16]*SK_MZ[4]); - Kfusion[6] = SK_MZ[0]*(P[6][20] + P[6][0]*SH_MAG[1] + P[6][3]*SH_MAG[0] - P[6][1]*SK_MZ[2] + P[6][2]*SK_MZ[3] + P[6][17]*SK_MZ[1] + P[6][15]*SK_MZ[5] - P[6][16]*SK_MZ[4]); - Kfusion[7] = SK_MZ[0]*(P[7][20] + P[7][0]*SH_MAG[1] + P[7][3]*SH_MAG[0] - P[7][1]*SK_MZ[2] + P[7][2]*SK_MZ[3] + P[7][17]*SK_MZ[1] + P[7][15]*SK_MZ[5] - P[7][16]*SK_MZ[4]); - Kfusion[8] = SK_MZ[0]*(P[8][20] + P[8][0]*SH_MAG[1] + P[8][3]*SH_MAG[0] - P[8][1]*SK_MZ[2] + P[8][2]*SK_MZ[3] + P[8][17]*SK_MZ[1] + P[8][15]*SK_MZ[5] - P[8][16]*SK_MZ[4]); - Kfusion[9] = SK_MZ[0]*(P[9][20] + P[9][0]*SH_MAG[1] + P[9][3]*SH_MAG[0] - P[9][1]*SK_MZ[2] + P[9][2]*SK_MZ[3] + P[9][17]*SK_MZ[1] + P[9][15]*SK_MZ[5] - P[9][16]*SK_MZ[4]); - Kfusion[10] = SK_MZ[0]*(P[10][20] + P[10][0]*SH_MAG[1] + P[10][3]*SH_MAG[0] - P[10][1]*SK_MZ[2] + P[10][2]*SK_MZ[3] + P[10][17]*SK_MZ[1] + P[10][15]*SK_MZ[5] - P[10][16]*SK_MZ[4]); - Kfusion[11] = SK_MZ[0]*(P[11][20] + P[11][0]*SH_MAG[1] + P[11][3]*SH_MAG[0] - P[11][1]*SK_MZ[2] + P[11][2]*SK_MZ[3] + P[11][17]*SK_MZ[1] + P[11][15]*SK_MZ[5] - P[11][16]*SK_MZ[4]); - Kfusion[12] = SK_MZ[0]*(P[12][20] + P[12][0]*SH_MAG[1] + P[12][3]*SH_MAG[0] - P[12][1]*SK_MZ[2] + P[12][2]*SK_MZ[3] + P[12][17]*SK_MZ[1] + P[12][15]*SK_MZ[5] - P[12][16]*SK_MZ[4]); - Kfusion[13] = SK_MZ[0]*(P[13][20] + P[13][0]*SH_MAG[1] + P[13][3]*SH_MAG[0] - P[13][1]*SK_MZ[2] + P[13][2]*SK_MZ[3] + P[13][17]*SK_MZ[1] + P[13][15]*SK_MZ[5] - P[13][16]*SK_MZ[4]); - Kfusion[14] = SK_MZ[0]*(P[14][20] + P[14][0]*SH_MAG[1] + P[14][3]*SH_MAG[0] - P[14][1]*SK_MZ[2] + P[14][2]*SK_MZ[3] + P[14][17]*SK_MZ[1] + P[14][15]*SK_MZ[5] - P[14][16]*SK_MZ[4]); - Kfusion[15] = SK_MZ[0]*(P[15][20] + P[15][0]*SH_MAG[1] + P[15][3]*SH_MAG[0] - P[15][1]*SK_MZ[2] + P[15][2]*SK_MZ[3] + P[15][17]*SK_MZ[1] + P[15][15]*SK_MZ[5] - P[15][16]*SK_MZ[4]); - Kfusion[16] = SK_MZ[0]*(P[16][20] + P[16][0]*SH_MAG[1] + P[16][3]*SH_MAG[0] - P[16][1]*SK_MZ[2] + P[16][2]*SK_MZ[3] + P[16][17]*SK_MZ[1] + P[16][15]*SK_MZ[5] - P[16][16]*SK_MZ[4]); - Kfusion[17] = SK_MZ[0]*(P[17][20] + P[17][0]*SH_MAG[1] + P[17][3]*SH_MAG[0] - P[17][1]*SK_MZ[2] + P[17][2]*SK_MZ[3] + P[17][17]*SK_MZ[1] + P[17][15]*SK_MZ[5] - P[17][16]*SK_MZ[4]); - Kfusion[18] = SK_MZ[0]*(P[18][20] + P[18][0]*SH_MAG[1] + P[18][3]*SH_MAG[0] - P[18][1]*SK_MZ[2] + P[18][2]*SK_MZ[3] + P[18][17]*SK_MZ[1] + P[18][15]*SK_MZ[5] - P[18][16]*SK_MZ[4]); - Kfusion[19] = SK_MZ[0]*(P[19][20] + P[19][0]*SH_MAG[1] + P[19][3]*SH_MAG[0] - P[19][1]*SK_MZ[2] + P[19][2]*SK_MZ[3] + P[19][17]*SK_MZ[1] + P[19][15]*SK_MZ[5] - P[19][16]*SK_MZ[4]); - Kfusion[20] = SK_MZ[0]*(P[20][20] + P[20][0]*SH_MAG[1] + P[20][3]*SH_MAG[0] - P[20][1]*SK_MZ[2] + P[20][2]*SK_MZ[3] + P[20][17]*SK_MZ[1] + P[20][15]*SK_MZ[5] - P[20][16]*SK_MZ[4]); - varInnovMag[2] = 1.0f/SK_MZ[0]; - innovMag[2] = MagPred[2] - magData.z; - - } - - // Check the innovation for consistency and don't fuse if > 5Sigma - if ((innovMag[obsIndex]*innovMag[obsIndex]/varInnovMag[obsIndex]) < 25.0) - { - // correct the state vector - for (uint8_t j= 0; j<=indexLimit; j++) - { - states[j] = states[j] - Kfusion[j] * innovMag[obsIndex]; - } - // normalise the quaternion states - float quatMag = sqrt(states[0]*states[0] + states[1]*states[1] + states[2]*states[2] + states[3]*states[3]); - if (quatMag > 1e-12) - { - for (uint8_t j= 0; j<=3; j++) - { - float quatMagInv = 1.0f/quatMag; - states[j] = states[j] * quatMagInv; - } - } - // correct the covariance P = (I - K*H)*P - // take advantage of the empty columns in KH to reduce the - // number of operations - for (uint8_t i = 0; i<=indexLimit; i++) - { - for (uint8_t j = 0; j<=3; j++) - { - KH[i][j] = Kfusion[i] * H_MAG[j]; - } - for (uint8_t j = 4; j<=17; j++) KH[i][j] = 0.0f; - if (!onGround) - { - for (uint8_t j = 15; j<=20; j++) - { - KH[i][j] = Kfusion[i] * H_MAG[j]; - } - } - else - { - for (uint8_t j = 15; j<=20; j++) - { - KH[i][j] = 0.0f; - } - } - } - for (uint8_t i = 0; i<=indexLimit; i++) - { - for (uint8_t j = 0; j<=indexLimit; j++) - { - KHP[i][j] = 0.0f; - for (uint8_t k = 0; k<=3; k++) - { - KHP[i][j] = KHP[i][j] + KH[i][k] * P[k][j]; - } - if (!onGround) - { - for (uint8_t k = 15; k<=20; k++) - { - KHP[i][j] = KHP[i][j] + KH[i][k] * P[k][j]; - } - } - } - } - } - for (uint8_t i = 0; i<=indexLimit; i++) - { - for (uint8_t j = 0; j<=indexLimit; j++) - { - P[i][j] = P[i][j] - KHP[i][j]; - } - } - } - obsIndex = obsIndex + 1; - - ForceSymmetry(); - ConstrainVariances(); -} - -void AttPosEKF::FuseAirspeed() -{ - float vn; - float ve; - float vd; - float vwn; - float vwe; - const float R_TAS = 2.0f; - float SH_TAS[3]; - float Kfusion[21]; - float VtasPred; - - // Copy required states to local variable names - vn = statesAtVtasMeasTime[4]; - ve = statesAtVtasMeasTime[5]; - vd = statesAtVtasMeasTime[6]; - vwn = statesAtVtasMeasTime[13]; - vwe = statesAtVtasMeasTime[14]; - - // Need to check that it is flying before fusing airspeed data - // Calculate the predicted airspeed - VtasPred = sqrtf((ve - vwe)*(ve - vwe) + (vn - vwn)*(vn - vwn) + vd*vd); - // Perform fusion of True Airspeed measurement - if (useAirspeed && fuseVtasData && (VtasPred > 1.0f) && (VtasMeas > 8.0f)) - { - // Calculate observation jacobians - SH_TAS[0] = 1/(sqrt(sq(ve - vwe) + sq(vn - vwn) + sq(vd))); - SH_TAS[1] = (SH_TAS[0]*(2.0f*ve - 2*vwe))/2.0f; - SH_TAS[2] = (SH_TAS[0]*(2.0f*vn - 2*vwn))/2.0f; - - float H_TAS[21]; - for (uint8_t i=0; i<=20; i++) H_TAS[i] = 0.0f; - H_TAS[4] = SH_TAS[2]; - H_TAS[5] = SH_TAS[1]; - H_TAS[6] = vd*SH_TAS[0]; - H_TAS[13] = -SH_TAS[2]; - H_TAS[14] = -SH_TAS[1]; - - // Calculate Kalman gains - float SK_TAS = 1.0f/(R_TAS + SH_TAS[2]*(P[4][4]*SH_TAS[2] + P[5][4]*SH_TAS[1] - P[13][4]*SH_TAS[2] - P[14][4]*SH_TAS[1] + P[6][4]*vd*SH_TAS[0]) + SH_TAS[1]*(P[4][5]*SH_TAS[2] + P[5][5]*SH_TAS[1] - P[13][5]*SH_TAS[2] - P[14][5]*SH_TAS[1] + P[6][5]*vd*SH_TAS[0]) - SH_TAS[2]*(P[4][13]*SH_TAS[2] + P[5][13]*SH_TAS[1] - P[13][13]*SH_TAS[2] - P[14][13]*SH_TAS[1] + P[6][13]*vd*SH_TAS[0]) - SH_TAS[1]*(P[4][14]*SH_TAS[2] + P[5][14]*SH_TAS[1] - P[13][14]*SH_TAS[2] - P[14][14]*SH_TAS[1] + P[6][14]*vd*SH_TAS[0]) + vd*SH_TAS[0]*(P[4][6]*SH_TAS[2] + P[5][6]*SH_TAS[1] - P[13][6]*SH_TAS[2] - P[14][6]*SH_TAS[1] + P[6][6]*vd*SH_TAS[0])); - Kfusion[0] = SK_TAS*(P[0][4]*SH_TAS[2] - P[0][13]*SH_TAS[2] + P[0][5]*SH_TAS[1] - P[0][14]*SH_TAS[1] + P[0][6]*vd*SH_TAS[0]); - Kfusion[1] = SK_TAS*(P[1][4]*SH_TAS[2] - P[1][13]*SH_TAS[2] + P[1][5]*SH_TAS[1] - P[1][14]*SH_TAS[1] + P[1][6]*vd*SH_TAS[0]); - Kfusion[2] = SK_TAS*(P[2][4]*SH_TAS[2] - P[2][13]*SH_TAS[2] + P[2][5]*SH_TAS[1] - P[2][14]*SH_TAS[1] + P[2][6]*vd*SH_TAS[0]); - Kfusion[3] = SK_TAS*(P[3][4]*SH_TAS[2] - P[3][13]*SH_TAS[2] + P[3][5]*SH_TAS[1] - P[3][14]*SH_TAS[1] + P[3][6]*vd*SH_TAS[0]); - Kfusion[4] = SK_TAS*(P[4][4]*SH_TAS[2] - P[4][13]*SH_TAS[2] + P[4][5]*SH_TAS[1] - P[4][14]*SH_TAS[1] + P[4][6]*vd*SH_TAS[0]); - Kfusion[5] = SK_TAS*(P[5][4]*SH_TAS[2] - P[5][13]*SH_TAS[2] + P[5][5]*SH_TAS[1] - P[5][14]*SH_TAS[1] + P[5][6]*vd*SH_TAS[0]); - Kfusion[6] = SK_TAS*(P[6][4]*SH_TAS[2] - P[6][13]*SH_TAS[2] + P[6][5]*SH_TAS[1] - P[6][14]*SH_TAS[1] + P[6][6]*vd*SH_TAS[0]); - Kfusion[7] = SK_TAS*(P[7][4]*SH_TAS[2] - P[7][13]*SH_TAS[2] + P[7][5]*SH_TAS[1] - P[7][14]*SH_TAS[1] + P[7][6]*vd*SH_TAS[0]); - Kfusion[8] = SK_TAS*(P[8][4]*SH_TAS[2] - P[8][13]*SH_TAS[2] + P[8][5]*SH_TAS[1] - P[8][14]*SH_TAS[1] + P[8][6]*vd*SH_TAS[0]); - Kfusion[9] = SK_TAS*(P[9][4]*SH_TAS[2] - P[9][13]*SH_TAS[2] + P[9][5]*SH_TAS[1] - P[9][14]*SH_TAS[1] + P[9][6]*vd*SH_TAS[0]); - Kfusion[10] = SK_TAS*(P[10][4]*SH_TAS[2] - P[10][13]*SH_TAS[2] + P[10][5]*SH_TAS[1] - P[10][14]*SH_TAS[1] + P[10][6]*vd*SH_TAS[0]); - Kfusion[11] = SK_TAS*(P[11][4]*SH_TAS[2] - P[11][13]*SH_TAS[2] + P[11][5]*SH_TAS[1] - P[11][14]*SH_TAS[1] + P[11][6]*vd*SH_TAS[0]); - Kfusion[12] = SK_TAS*(P[12][4]*SH_TAS[2] - P[12][13]*SH_TAS[2] + P[12][5]*SH_TAS[1] - P[12][14]*SH_TAS[1] + P[12][6]*vd*SH_TAS[0]); - Kfusion[13] = SK_TAS*(P[13][4]*SH_TAS[2] - P[13][13]*SH_TAS[2] + P[13][5]*SH_TAS[1] - P[13][14]*SH_TAS[1] + P[13][6]*vd*SH_TAS[0]); - Kfusion[14] = SK_TAS*(P[14][4]*SH_TAS[2] - P[14][13]*SH_TAS[2] + P[14][5]*SH_TAS[1] - P[14][14]*SH_TAS[1] + P[14][6]*vd*SH_TAS[0]); - Kfusion[15] = SK_TAS*(P[15][4]*SH_TAS[2] - P[15][13]*SH_TAS[2] + P[15][5]*SH_TAS[1] - P[15][14]*SH_TAS[1] + P[15][6]*vd*SH_TAS[0]); - Kfusion[16] = SK_TAS*(P[16][4]*SH_TAS[2] - P[16][13]*SH_TAS[2] + P[16][5]*SH_TAS[1] - P[16][14]*SH_TAS[1] + P[16][6]*vd*SH_TAS[0]); - Kfusion[17] = SK_TAS*(P[17][4]*SH_TAS[2] - P[17][13]*SH_TAS[2] + P[17][5]*SH_TAS[1] - P[17][14]*SH_TAS[1] + P[17][6]*vd*SH_TAS[0]); - Kfusion[18] = SK_TAS*(P[18][4]*SH_TAS[2] - P[18][13]*SH_TAS[2] + P[18][5]*SH_TAS[1] - P[18][14]*SH_TAS[1] + P[18][6]*vd*SH_TAS[0]); - Kfusion[19] = SK_TAS*(P[19][4]*SH_TAS[2] - P[19][13]*SH_TAS[2] + P[19][5]*SH_TAS[1] - P[19][14]*SH_TAS[1] + P[19][6]*vd*SH_TAS[0]); - Kfusion[20] = SK_TAS*(P[20][4]*SH_TAS[2] - P[20][13]*SH_TAS[2] + P[20][5]*SH_TAS[1] - P[20][14]*SH_TAS[1] + P[20][6]*vd*SH_TAS[0]); - varInnovVtas = 1.0f/SK_TAS; - - // Calculate the measurement innovation - innovVtas = VtasPred - VtasMeas; - // Check the innovation for consistency and don't fuse if > 5Sigma - if ((innovVtas*innovVtas*SK_TAS) < 25.0) - { - // correct the state vector - for (uint8_t j=0; j<=20; j++) - { - states[j] = states[j] - Kfusion[j] * innovVtas; - } - // normalise the quaternion states - float quatMag = sqrt(states[0]*states[0] + states[1]*states[1] + states[2]*states[2] + states[3]*states[3]); - if (quatMag > 1e-12f) - { - for (uint8_t j= 0; j<=3; j++) - { - float quatMagInv = 1.0f/quatMag; - states[j] = states[j] * quatMagInv; - } - } - // correct the covariance P = (I - K*H)*P - // take advantage of the empty columns in H to reduce the - // number of operations - for (uint8_t i = 0; i<=20; i++) - { - for (uint8_t j = 0; j<=3; j++) KH[i][j] = 0.0; - for (uint8_t j = 4; j<=6; j++) - { - KH[i][j] = Kfusion[i] * H_TAS[j]; - } - for (uint8_t j = 7; j<=12; j++) KH[i][j] = 0.0; - for (uint8_t j = 13; j<=14; j++) - { - KH[i][j] = Kfusion[i] * H_TAS[j]; - } - for (uint8_t j = 15; j<=20; j++) KH[i][j] = 0.0; - } - for (uint8_t i = 0; i<=20; i++) - { - for (uint8_t j = 0; j<=20; j++) - { - KHP[i][j] = 0.0; - for (uint8_t k = 4; k<=6; k++) - { - KHP[i][j] = KHP[i][j] + KH[i][k] * P[k][j]; - } - for (uint8_t k = 13; k<=14; k++) - { - KHP[i][j] = KHP[i][j] + KH[i][k] * P[k][j]; - } - } - } - for (uint8_t i = 0; i<=20; i++) - { - for (uint8_t j = 0; j<=20; j++) - { - P[i][j] = P[i][j] - KHP[i][j]; - } - } - } - } - - ForceSymmetry(); - ConstrainVariances(); -} - -void AttPosEKF::zeroRows(float (&covMat)[n_states][n_states], uint8_t first, uint8_t last) -{ - uint8_t row; - uint8_t col; - for (row=first; row<=last; row++) - { - for (col=0; col<n_states; col++) - { - covMat[row][col] = 0.0; - } - } -} - -void AttPosEKF::zeroCols(float (&covMat)[n_states][n_states], uint8_t first, uint8_t last) -{ - uint8_t row; - uint8_t col; - for (col=first; col<=last; col++) - { - for (row=0; row < n_states; row++) - { - covMat[row][col] = 0.0; - } - } -} - -float AttPosEKF::sq(float valIn) -{ - return valIn*valIn; -} - -// Store states in a history array along with time stamp -void AttPosEKF::StoreStates(uint64_t timestamp_ms) -{ - for (unsigned i=0; i<n_states; i++) - storedStates[i][storeIndex] = states[i]; - statetimeStamp[storeIndex] = timestamp_ms; - storeIndex++; - if (storeIndex == data_buffer_size) - storeIndex = 0; -} - -void AttPosEKF::ResetStoredStates() -{ - // reset all stored states - memset(&storedStates[0][0], 0, sizeof(storedStates)); - memset(&statetimeStamp[0], 0, sizeof(statetimeStamp)); - - // reset store index to first - storeIndex = 0; - - // overwrite all existing states - for (unsigned i = 0; i < n_states; i++) { - storedStates[i][storeIndex] = states[i]; - } - - statetimeStamp[storeIndex] = millis(); - - // increment to next storage index - storeIndex++; -} - -// Output the state vector stored at the time that best matches that specified by msec -int AttPosEKF::RecallStates(float statesForFusion[n_states], uint64_t msec) -{ - int ret = 0; - - // int64_t bestTimeDelta = 200; - // unsigned bestStoreIndex = 0; - // for (unsigned storeIndex = 0; storeIndex < data_buffer_size; storeIndex++) - // { - // // The time delta can also end up as negative number, - // // since we might compare future to past or past to future - // // therefore cast to int64. - // int64_t timeDelta = (int64_t)msec - (int64_t)statetimeStamp[storeIndex]; - // if (timeDelta < 0) { - // timeDelta = -timeDelta; - // } - - // if (timeDelta < bestTimeDelta) - // { - // bestStoreIndex = storeIndex; - // bestTimeDelta = timeDelta; - // } - // } - // if (bestTimeDelta < 200) // only output stored state if < 200 msec retrieval error - // { - // for (uint8_t i=0; i < n_states; i++) { - // if (isfinite(storedStates[i][bestStoreIndex])) { - // statesForFusion[i] = storedStates[i][bestStoreIndex]; - // } else if (isfinite(states[i])) { - // statesForFusion[i] = states[i]; - // } else { - // // There is not much we can do here, except reporting the error we just - // // found. - // ret++; - // } - // } - // else // otherwise output current state - // { - for (uint8_t i=0; i < n_states; i++) { - if (isfinite(states[i])) { - statesForFusion[i] = states[i]; - } else { - ret++; - } - } - // } - - return ret; -} - -void AttPosEKF::quat2Tnb(Mat3f &Tnb, const float (&quat)[4]) -{ - // Calculate the nav to body cosine matrix - float q00 = sq(quat[0]); - float q11 = sq(quat[1]); - float q22 = sq(quat[2]); - float q33 = sq(quat[3]); - float q01 = quat[0]*quat[1]; - float q02 = quat[0]*quat[2]; - float q03 = quat[0]*quat[3]; - float q12 = quat[1]*quat[2]; - float q13 = quat[1]*quat[3]; - float q23 = quat[2]*quat[3]; - - Tnb.x.x = q00 + q11 - q22 - q33; - Tnb.y.y = q00 - q11 + q22 - q33; - Tnb.z.z = q00 - q11 - q22 + q33; - Tnb.y.x = 2*(q12 - q03); - Tnb.z.x = 2*(q13 + q02); - Tnb.x.y = 2*(q12 + q03); - Tnb.z.y = 2*(q23 - q01); - Tnb.x.z = 2*(q13 - q02); - Tnb.y.z = 2*(q23 + q01); -} - -void AttPosEKF::quat2Tbn(Mat3f &Tbn, const float (&quat)[4]) -{ - // Calculate the body to nav cosine matrix - float q00 = sq(quat[0]); - float q11 = sq(quat[1]); - float q22 = sq(quat[2]); - float q33 = sq(quat[3]); - float q01 = quat[0]*quat[1]; - float q02 = quat[0]*quat[2]; - float q03 = quat[0]*quat[3]; - float q12 = quat[1]*quat[2]; - float q13 = quat[1]*quat[3]; - float q23 = quat[2]*quat[3]; - - Tbn.x.x = q00 + q11 - q22 - q33; - Tbn.y.y = q00 - q11 + q22 - q33; - Tbn.z.z = q00 - q11 - q22 + q33; - Tbn.x.y = 2*(q12 - q03); - Tbn.x.z = 2*(q13 + q02); - Tbn.y.x = 2*(q12 + q03); - Tbn.y.z = 2*(q23 - q01); - Tbn.z.x = 2*(q13 - q02); - Tbn.z.y = 2*(q23 + q01); -} - -void AttPosEKF::eul2quat(float (&quat)[4], const float (&eul)[3]) -{ - float u1 = cos(0.5f*eul[0]); - float u2 = cos(0.5f*eul[1]); - float u3 = cos(0.5f*eul[2]); - float u4 = sin(0.5f*eul[0]); - float u5 = sin(0.5f*eul[1]); - float u6 = sin(0.5f*eul[2]); - quat[0] = u1*u2*u3+u4*u5*u6; - quat[1] = u4*u2*u3-u1*u5*u6; - quat[2] = u1*u5*u3+u4*u2*u6; - quat[3] = u1*u2*u6-u4*u5*u3; -} - -void AttPosEKF::quat2eul(float (&y)[3], const float (&u)[4]) -{ - y[0] = atan2f((2.0f*(u[2]*u[3]+u[0]*u[1])) , (u[0]*u[0]-u[1]*u[1]-u[2]*u[2]+u[3]*u[3])); - y[1] = -asinf(2.0f*(u[1]*u[3]-u[0]*u[2])); - y[2] = atan2f((2.0f*(u[1]*u[2]+u[0]*u[3])) , (u[0]*u[0]+u[1]*u[1]-u[2]*u[2]-u[3]*u[3])); -} - -void AttPosEKF::calcvelNED(float (&velNED)[3], float gpsCourse, float gpsGndSpd, float gpsVelD) -{ - velNED[0] = gpsGndSpd*cosf(gpsCourse); - velNED[1] = gpsGndSpd*sinf(gpsCourse); - velNED[2] = gpsVelD; -} - -void AttPosEKF::calcposNED(float (&posNED)[3], float lat, float lon, float hgt, float latRef, float lonRef, float hgtRef) -{ - posNED[0] = earthRadius * (lat - latRef); - posNED[1] = earthRadius * cos(latRef) * (lon - lonRef); - posNED[2] = -(hgt - hgtRef); -} - -void AttPosEKF::calcLLH(float (&posNED)[3], float lat, float lon, float hgt, float latRef, float lonRef, float hgtRef) -{ - lat = latRef + posNED[0] * earthRadiusInv; - lon = lonRef + posNED[1] * earthRadiusInv / cos(latRef); - hgt = hgtRef - posNED[2]; -} - -void AttPosEKF::OnGroundCheck() -{ - onGround = (((sq(velNED[0]) + sq(velNED[1]) + sq(velNED[2])) < 4.0f) && (VtasMeas < 8.0f)); - if (staticMode) { - staticMode = !(GPSstatus > GPS_FIX_2D); - } -} - -void AttPosEKF::calcEarthRateNED(Vector3f &omega, float latitude) -{ - //Define Earth rotation vector in the NED navigation frame - omega.x = earthRate*cosf(latitude); - omega.y = 0.0f; - omega.z = -earthRate*sinf(latitude); -} - -void AttPosEKF::CovarianceInit() -{ - // Calculate the initial covariance matrix P - P[0][0] = 0.25f * sq(1.0f*deg2rad); - P[1][1] = 0.25f * sq(1.0f*deg2rad); - P[2][2] = 0.25f * sq(1.0f*deg2rad); - P[3][3] = 0.25f * sq(10.0f*deg2rad); - P[4][4] = sq(0.7); - P[5][5] = P[4][4]; - P[6][6] = sq(0.7); - P[7][7] = sq(15.0); - P[8][8] = P[7][7]; - P[9][9] = sq(5.0); - P[10][10] = sq(0.1*deg2rad*dtIMU); - P[11][11] = P[10][10]; - P[12][12] = P[10][10]; - P[13][13] = sq(8.0f); - P[14][4] = P[13][13]; - P[15][15] = sq(0.02f); - P[16][16] = P[15][15]; - P[17][17] = P[15][15]; - P[18][18] = sq(0.02f); - P[19][19] = P[18][18]; - P[20][20] = P[18][18]; -} - -float AttPosEKF::ConstrainFloat(float val, float min, float max) -{ - return (val > max) ? max : ((val < min) ? min : val); -} - -void AttPosEKF::ConstrainVariances() -{ - if (!numericalProtection) { - return; - } - - // State vector: - // 0-3: quaternions (q0, q1, q2, q3) - // 4-6: Velocity - m/sec (North, East, Down) - // 7-9: Position - m (North, East, Down) - // 10-12: Delta Angle bias - rad (X,Y,Z) - // 13-14: Wind Vector - m/sec (North,East) - // 15-17: Earth Magnetic Field Vector - gauss (North, East, Down) - // 18-20: Body Magnetic Field Vector - gauss (X,Y,Z) - - // Constrain quaternion variances - for (unsigned i = 0; i < 4; i++) { - P[i][i] = ConstrainFloat(P[i][i], 0.0f, 1.0f); - } - - // Constrain velocitie variances - for (unsigned i = 4; i < 7; i++) { - P[i][i] = ConstrainFloat(P[i][i], 0.0f, 1.0e3f); - } - - // Constrain position variances - for (unsigned i = 7; i < 10; i++) { - P[i][i] = ConstrainFloat(P[i][i], 0.0f, 1.0e6f); - } - - // Angle bias variances - for (unsigned i = 10; i < 13; i++) { - P[i][i] = ConstrainFloat(P[i][i], 0.0f, sq(0.175f * dtIMU)); - } - - // Wind velocity variances - for (unsigned i = 13; i < 15; i++) { - P[i][i] = ConstrainFloat(P[i][i], 0.0f, 1.0e3f); - } - - // Earth magnetic field variances - for (unsigned i = 15; i < 18; i++) { - P[i][i] = ConstrainFloat(P[i][i], 0.0f, 1.0f); - } - - // Body magnetic field variances - for (unsigned i = 18; i < 21; i++) { - P[i][i] = ConstrainFloat(P[i][i], 0.0f, 1.0f); - } - -} - -void AttPosEKF::ConstrainStates() -{ - if (!numericalProtection) { - return; - } - - // State vector: - // 0-3: quaternions (q0, q1, q2, q3) - // 4-6: Velocity - m/sec (North, East, Down) - // 7-9: Position - m (North, East, Down) - // 10-12: Delta Angle bias - rad (X,Y,Z) - // 13-14: Wind Vector - m/sec (North,East) - // 15-17: Earth Magnetic Field Vector - gauss (North, East, Down) - // 18-20: Body Magnetic Field Vector - gauss (X,Y,Z) - - - // Constrain quaternion - for (unsigned i = 0; i < 4; i++) { - states[i] = ConstrainFloat(states[i], -1.0f, 1.0f); - } - - // Constrain velocities to what GPS can do for us - for (unsigned i = 4; i < 7; i++) { - states[i] = ConstrainFloat(states[i], -5.0e2f, 5.0e2f); - } - - // Constrain position to a reasonable vehicle range (in meters) - for (unsigned i = 7; i < 9; i++) { - states[i] = ConstrainFloat(states[i], -1.0e6f, 1.0e6f); - } - - // Constrain altitude - states[9] = ConstrainFloat(states[9], -4.0e4f, 1.0e4f); - - // Angle bias limit - set to 8 degrees / sec - for (unsigned i = 10; i < 13; i++) { - states[i] = ConstrainFloat(states[i], -0.12f * dtIMU, 0.12f * dtIMU); - } - - // Wind velocity limits - assume 120 m/s max velocity - for (unsigned i = 13; i < 15; i++) { - states[i] = ConstrainFloat(states[i], -120.0f, 120.0f); - } - - // Earth magnetic field limits (in Gauss) - for (unsigned i = 15; i < 18; i++) { - states[i] = ConstrainFloat(states[i], -1.0f, 1.0f); - } - - // Body magnetic field variances (in Gauss). - // the max offset should be in this range. - for (unsigned i = 18; i < 21; i++) { - states[i] = ConstrainFloat(states[i], -0.5f, 0.5f); - } - -} - -void AttPosEKF::ForceSymmetry() -{ - if (!numericalProtection) { - return; - } - - // Force symmetry on the covariance matrix to prevent ill-conditioning - // of the matrix which would cause the filter to blow-up - for (unsigned i = 1; i < n_states; i++) - { - for (uint8_t j = 0; j < i; j++) - { - P[i][j] = 0.5f * (P[i][j] + P[j][i]); - P[j][i] = P[i][j]; - } - } -} - -bool AttPosEKF::FilterHealthy() -{ - if (!statesInitialised) { - return false; - } - - // XXX Check state vector for NaNs and ill-conditioning - - // Check if any of the major inputs timed out - if (current_ekf_state.posTimeout || current_ekf_state.velTimeout || current_ekf_state.hgtTimeout) { - return false; - } - - // Nothing fired, return ok. - return true; -} - -/** - * Reset the filter position states - * - * This resets the position to the last GPS measurement - * or to zero in case of static position. - */ -void AttPosEKF::ResetPosition(void) -{ - if (staticMode) { - states[7] = 0; - states[8] = 0; - } else if (GPSstatus >= GPS_FIX_3D) { - - // reset the states from the GPS measurements - states[7] = posNE[0]; - states[8] = posNE[1]; - } -} - -/** - * Reset the height state. - * - * This resets the height state with the last altitude measurements - */ -void AttPosEKF::ResetHeight(void) -{ - // write to the state vector - states[9] = -hgtMea; -} - -/** - * Reset the velocity state. - */ -void AttPosEKF::ResetVelocity(void) -{ - if (staticMode) { - states[4] = 0.0f; - states[5] = 0.0f; - states[6] = 0.0f; - } else if (GPSstatus >= GPS_FIX_3D) { - - states[4] = velNED[0]; // north velocity from last reading - states[5] = velNED[1]; // east velocity from last reading - states[6] = velNED[2]; // down velocity from last reading - } -} - - -void AttPosEKF::FillErrorReport(struct ekf_status_report *err) -{ - for (int i = 0; i < n_states; i++) - { - err->states[i] = states[i]; - } - - err->velHealth = current_ekf_state.velHealth; - err->posHealth = current_ekf_state.posHealth; - err->hgtHealth = current_ekf_state.hgtHealth; - err->velTimeout = current_ekf_state.velTimeout; - err->posTimeout = current_ekf_state.posTimeout; - err->hgtTimeout = current_ekf_state.hgtTimeout; -} - -bool AttPosEKF::StatesNaN(struct ekf_status_report *err_report) { - bool err = false; - - // check all states and covariance matrices - for (unsigned i = 0; i < n_states; i++) { - for (unsigned j = 0; j < n_states; j++) { - if (!isfinite(KH[i][j])) { - - err_report->covarianceNaN = true; - err = true; - } // intermediate result used for covariance updates - if (!isfinite(KHP[i][j])) { - - err_report->covarianceNaN = true; - err = true; - } // intermediate result used for covariance updates - if (!isfinite(P[i][j])) { - - err_report->covarianceNaN = true; - err = true; - } // covariance matrix - } - - if (!isfinite(Kfusion[i])) { - - err_report->kalmanGainsNaN = true; - err = true; - } // Kalman gains - - if (!isfinite(states[i])) { - - err_report->statesNaN = true; - err = true; - } // state matrix - } - - if (err) { - FillErrorReport(err_report); - } - - return err; - -} - -/** - * Check the filter inputs and bound its operational state - * - * This check will reset the filter states if required - * due to a failure of consistency or timeout checks. - * it should be run after the measurement data has been - * updated, but before any of the fusion steps are - * executed. - */ -int AttPosEKF::CheckAndBound() -{ - - // Store the old filter state - bool currStaticMode = staticMode; - - // Reset the filter if the states went NaN - if (StatesNaN(&last_ekf_error)) { - - InitializeDynamic(velNED); - - return 1; - } - - // Reset the filter if the IMU data is too old - if (dtIMU > 0.2f) { - - ResetVelocity(); - ResetPosition(); - ResetHeight(); - ResetStoredStates(); - - // that's all we can do here, return - return 2; - } - - // Check if we're on ground - this also sets static mode. - OnGroundCheck(); - - // Check if we switched between states - if (currStaticMode != staticMode) { - ResetVelocity(); - ResetPosition(); - ResetHeight(); - ResetStoredStates(); - - return 3; - } - - return 0; -} - -void AttPosEKF::AttitudeInit(float ax, float ay, float az, float mx, float my, float mz, float *initQuat) -{ - float initialRoll, initialPitch; - float cosRoll, sinRoll, cosPitch, sinPitch; - float magX, magY; - float initialHdg, cosHeading, sinHeading; - - initialRoll = atan2(-ay, -az); - initialPitch = atan2(ax, -az); - - cosRoll = cosf(initialRoll); - sinRoll = sinf(initialRoll); - cosPitch = cosf(initialPitch); - sinPitch = sinf(initialPitch); - - magX = mx * cosPitch + my * sinRoll * sinPitch + mz * cosRoll * sinPitch; - - magY = my * cosRoll - mz * sinRoll; - - initialHdg = atan2f(-magY, magX); - - cosRoll = cosf(initialRoll * 0.5f); - sinRoll = sinf(initialRoll * 0.5f); - - cosPitch = cosf(initialPitch * 0.5f); - sinPitch = sinf(initialPitch * 0.5f); - - cosHeading = cosf(initialHdg * 0.5f); - sinHeading = sinf(initialHdg * 0.5f); - - initQuat[0] = cosRoll * cosPitch * cosHeading + sinRoll * sinPitch * sinHeading; - initQuat[1] = sinRoll * cosPitch * cosHeading - cosRoll * sinPitch * sinHeading; - initQuat[2] = cosRoll * sinPitch * cosHeading + sinRoll * cosPitch * sinHeading; - initQuat[3] = cosRoll * cosPitch * sinHeading - sinRoll * sinPitch * cosHeading; -} - -void AttPosEKF::InitializeDynamic(float (&initvelNED)[3]) -{ - - // Clear the init flag - statesInitialised = false; - - ZeroVariables(); - - // Calculate initial filter quaternion states from raw measurements - float initQuat[4]; - Vector3f initMagXYZ; - initMagXYZ = magData - magBias; - AttitudeInit(accel.x, accel.y, accel.z, initMagXYZ.x, initMagXYZ.y, initMagXYZ.z, initQuat); - - // Calculate initial Tbn matrix and rotate Mag measurements into NED - // to set initial NED magnetic field states - Mat3f DCM; - quat2Tbn(DCM, initQuat); - Vector3f initMagNED; - initMagXYZ = magData - magBias; - initMagNED.x = DCM.x.x*initMagXYZ.x + DCM.x.y*initMagXYZ.y + DCM.x.z*initMagXYZ.z; - initMagNED.y = DCM.y.x*initMagXYZ.x + DCM.y.y*initMagXYZ.y + DCM.y.z*initMagXYZ.z; - initMagNED.z = DCM.z.x*initMagXYZ.x + DCM.z.y*initMagXYZ.y + DCM.z.z*initMagXYZ.z; - - - - // write to state vector - for (uint8_t j=0; j<=3; j++) states[j] = initQuat[j]; // quaternions - for (uint8_t j=0; j<=2; j++) states[j+4] = initvelNED[j]; // velocities - for (uint8_t j=0; j<=7; j++) states[j+7] = 0.0f; // positiions, dAngBias, windVel - states[15] = initMagNED.x; // Magnetic Field North - states[16] = initMagNED.y; // Magnetic Field East - states[17] = initMagNED.z; // Magnetic Field Down - states[18] = magBias.x; // Magnetic Field Bias X - states[19] = magBias.y; // Magnetic Field Bias Y - states[20] = magBias.z; // Magnetic Field Bias Z - - statesInitialised = true; - - // initialise the covariance matrix - CovarianceInit(); - - //Define Earth rotation vector in the NED navigation frame - calcEarthRateNED(earthRateNED, latRef); - - //Initialise summed variables used by covariance prediction - summedDelAng.x = 0.0f; - summedDelAng.y = 0.0f; - summedDelAng.z = 0.0f; - summedDelVel.x = 0.0f; - summedDelVel.y = 0.0f; - summedDelVel.z = 0.0f; -} - -void AttPosEKF::InitialiseFilter(float (&initvelNED)[3]) -{ - //store initial lat,long and height - latRef = gpsLat; - lonRef = gpsLon; - hgtRef = gpsHgt; - - memset(&last_ekf_error, 0, sizeof(last_ekf_error)); - - InitializeDynamic(initvelNED); -} - -void AttPosEKF::ZeroVariables() -{ - // Do the data structure init - for (unsigned i = 0; i < n_states; i++) { - for (unsigned j = 0; j < n_states; j++) { - KH[i][j] = 0.0f; // intermediate result used for covariance updates - KHP[i][j] = 0.0f; // intermediate result used for covariance updates - P[i][j] = 0.0f; // covariance matrix - } - - Kfusion[i] = 0.0f; // Kalman gains - states[i] = 0.0f; // state matrix - } - - for (unsigned i = 0; i < data_buffer_size; i++) { - - for (unsigned j = 0; j < n_states; j++) { - storedStates[j][i] = 0.0f; - } - - statetimeStamp[i] = 0; - } - - memset(¤t_ekf_state, 0, sizeof(current_ekf_state)); -} - -void AttPosEKF::GetFilterState(struct ekf_status_report *state) -{ - memcpy(state, ¤t_ekf_state, sizeof(state)); -} - -void AttPosEKF::GetLastErrorState(struct ekf_status_report *last_error) -{ - memcpy(last_error, &last_ekf_error, sizeof(last_error)); -} diff --git a/src/modules/fw_att_pos_estimator/fw_att_pos_estimator_params.c b/src/modules/fw_att_pos_estimator/fw_att_pos_estimator_params.c deleted file mode 100644 index 6138ef39c..000000000 --- a/src/modules/fw_att_pos_estimator/fw_att_pos_estimator_params.c +++ /dev/null @@ -1,117 +0,0 @@ -/**************************************************************************** - * - * Copyright (c) 2013, 2014 PX4 Development Team. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name PX4 nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/** - * @file fw_att_pos_estimator_params.c - * - * Parameters defined by the attitude and position estimator task - * - * @author Lorenz Meier <lm@inf.ethz.ch> - */ - -#include <nuttx/config.h> - -#include <systemlib/param/param.h> - -/* - * Estimator parameters, accessible via MAVLink - * - */ - -/** - * Velocity estimate delay - * - * The delay in milliseconds of the velocity estimate from GPS. - * - * @min 0 - * @max 1000 - * @group Position Estimator - */ -PARAM_DEFINE_INT32(PE_VEL_DELAY_MS, 230); - -/** - * Position estimate delay - * - * The delay in milliseconds of the position estimate from GPS. - * - * @min 0 - * @max 1000 - * @group Position Estimator - */ -PARAM_DEFINE_INT32(PE_POS_DELAY_MS, 210); - -/** - * Height estimate delay - * - * The delay in milliseconds of the height estimate from the barometer. - * - * @min 0 - * @max 1000 - * @group Position Estimator - */ -PARAM_DEFINE_INT32(PE_HGT_DELAY_MS, 350); - -/** - * Mag estimate delay - * - * The delay in milliseconds of the magnetic field estimate from - * the magnetometer. - * - * @min 0 - * @max 1000 - * @group Position Estimator - */ -PARAM_DEFINE_INT32(PE_MAG_DELAY_MS, 30); - -/** - * True airspeeed estimate delay - * - * The delay in milliseconds of the airspeed estimate. - * - * @min 0 - * @max 1000 - * @group Position Estimator - */ -PARAM_DEFINE_INT32(PE_TAS_DELAY_MS, 210); - -/** - * GPS vs. barometric altitude update weight - * - * RE-CHECK this. - * - * @min 0.0 - * @max 1.0 - * @group Position Estimator - */ -PARAM_DEFINE_FLOAT(PE_GPS_ALT_WGT, 0.9f); - diff --git a/src/modules/fw_pos_control_l1/fw_pos_control_l1_main.cpp b/src/modules/fw_pos_control_l1/fw_pos_control_l1_main.cpp index 7f13df785..5b877cd77 100644 --- a/src/modules/fw_pos_control_l1/fw_pos_control_l1_main.cpp +++ b/src/modules/fw_pos_control_l1/fw_pos_control_l1_main.cpp @@ -89,6 +89,7 @@ #include <launchdetection/LaunchDetector.h> #include <ecl/l1/ecl_l1_pos_controller.h> #include <external_lgpl/tecs/tecs.h> +#include <drivers/drv_range_finder.h> #include "landingslope.h" @@ -134,6 +135,7 @@ private: int _params_sub; /**< notification of parameter updates */ int _manual_control_sub; /**< notification of manual control updates */ int _sensor_combined_sub; /**< for body frame accelerations */ + int _range_finder_sub; /**< range finder subscription */ orb_advert_t _attitude_sp_pub; /**< attitude setpoint */ orb_advert_t _nav_capabilities_pub; /**< navigation capabilities publication */ @@ -147,13 +149,14 @@ private: struct vehicle_global_position_s _global_pos; /**< global vehicle position */ struct position_setpoint_triplet_s _pos_sp_triplet; /**< triplet of mission items */ struct sensor_combined_s _sensor_combined; /**< for body frame accelerations */ + struct range_finder_report _range_finder; /**< range finder report */ perf_counter_t _loop_perf; /**< loop performance counter */ bool _setpoint_valid; /**< flag if the position control setpoint is valid */ /** manual control states */ - float _seatbelt_hold_heading; /**< heading the system should hold in seatbelt mode */ + float _altctrl_hold_heading; /**< heading the system should hold in altctrl mode */ double _loiter_hold_lat; double _loiter_hold_lon; float _loiter_hold_alt; @@ -181,7 +184,7 @@ private: /* Landingslope object */ Landingslope landingslope; - float flare_curve_alt_last; + float flare_curve_alt_rel_last; /* heading hold */ float target_bearing; @@ -239,6 +242,7 @@ private: float land_flare_alt_relative; float land_thrust_lim_alt_relative; float land_heading_hold_horizontal_distance; + float range_finder_rel_alt; } _parameters; /**< local copies of interesting parameters */ @@ -283,6 +287,7 @@ private: param_t land_flare_alt_relative; param_t land_thrust_lim_alt_relative; param_t land_heading_hold_horizontal_distance; + param_t range_finder_rel_alt; } _parameter_handles; /**< handles for interesting parameters */ @@ -309,6 +314,12 @@ private: bool vehicle_airspeed_poll(); /** + * Check for range finder updates. + */ + bool range_finder_poll(); + + + /** * Check for position updates. */ void vehicle_attitude_poll(); @@ -329,6 +340,11 @@ private: void navigation_capabilities_publish(); /** + * Get the relative alt either from the difference between estimate and waypoint or from the laser range finder + */ + float get_relative_landingalt(float land_setpoint_alt, float current_alt, const struct range_finder_report &range_finder, float range_finder_use_relative_alt); + + /** * Control position. */ bool control_position(const math::Vector<2> &global_pos, const math::Vector<2> &ground_speed, @@ -345,7 +361,7 @@ private: /** * Main sensor collection task. */ - void task_main() __attribute__((noreturn)); + void task_main(); /* * Reset takeoff state @@ -384,6 +400,7 @@ FixedwingPositionControl::FixedwingPositionControl() : _control_mode_sub(-1), _params_sub(-1), _manual_control_sub(-1), + _range_finder_sub(-1), /* publications */ _attitude_sp_pub(-1), @@ -401,9 +418,9 @@ FixedwingPositionControl::FixedwingPositionControl() : land_motor_lim(false), land_onslope(false), launch_detected(false), - last_manual(false), usePreTakeoffThrust(false), - flare_curve_alt_last(0.0f), + last_manual(false), + flare_curve_alt_rel_last(0.0f), launchDetector(), _airspeed_error(0.0f), _airspeed_valid(false), @@ -417,7 +434,8 @@ FixedwingPositionControl::FixedwingPositionControl() : _control_mode(), _global_pos(), _pos_sp_triplet(), - _sensor_combined() + _sensor_combined(), + _range_finder() { _nav_capabilities.turn_distance = 0.0f; @@ -442,6 +460,7 @@ FixedwingPositionControl::FixedwingPositionControl() : _parameter_handles.land_flare_alt_relative = param_find("FW_LND_FLALT"); _parameter_handles.land_thrust_lim_alt_relative = param_find("FW_LND_TLALT"); _parameter_handles.land_heading_hold_horizontal_distance = param_find("FW_LND_HHDIST"); + _parameter_handles.range_finder_rel_alt = param_find("FW_LND_RFRALT"); _parameter_handles.time_const = param_find("FW_T_TIME_CONST"); _parameter_handles.min_sink_rate = param_find("FW_T_SINK_MIN"); @@ -531,6 +550,8 @@ FixedwingPositionControl::parameters_update() param_get(_parameter_handles.land_thrust_lim_alt_relative, &(_parameters.land_thrust_lim_alt_relative)); param_get(_parameter_handles.land_heading_hold_horizontal_distance, &(_parameters.land_heading_hold_horizontal_distance)); + param_get(_parameter_handles.range_finder_rel_alt, &(_parameters.range_finder_rel_alt)); + _l1_control.set_l1_damping(_parameters.l1_damping); _l1_control.set_l1_period(_parameters.l1_period); _l1_control.set_l1_roll_limit(math::radians(_parameters.roll_limit)); @@ -626,6 +647,20 @@ FixedwingPositionControl::vehicle_airspeed_poll() return airspeed_updated; } +bool +FixedwingPositionControl::range_finder_poll() +{ + /* check if there is a range finder measurement */ + bool range_finder_updated; + orb_check(_range_finder_sub, &range_finder_updated); + + if (range_finder_updated) { + orb_copy(ORB_ID(sensor_range_finder), _range_finder_sub, &_range_finder); + } + + return range_finder_updated; +} + void FixedwingPositionControl::vehicle_attitude_poll() { @@ -754,6 +789,23 @@ void FixedwingPositionControl::navigation_capabilities_publish() } } +float FixedwingPositionControl::get_relative_landingalt(float land_setpoint_alt, float current_alt, const struct range_finder_report &range_finder, float range_finder_use_relative_alt) +{ + float rel_alt_estimated = current_alt - land_setpoint_alt; + + /* only use range finder if: + * parameter (range_finder_use_relative_alt) > 0 + * the measurement is valid + * the estimated relative altitude (from global altitude estimate and landing waypoint) <= range_finder_use_relative_alt + */ + if (range_finder_use_relative_alt < 0 || !range_finder.valid || rel_alt_estimated > range_finder_use_relative_alt ) { + return rel_alt_estimated; + } + + return range_finder.distance; + +} + bool FixedwingPositionControl::control_position(const math::Vector<2> ¤t_position, const math::Vector<2> &ground_speed, const struct position_setpoint_triplet_s &pos_sp_triplet) @@ -896,12 +948,14 @@ FixedwingPositionControl::control_position(const math::Vector<2> ¤t_positi /* Calculate distance (to landing waypoint) and altitude of last ordinary waypoint L */ float L_wp_distance = get_distance_to_next_waypoint(prev_wp(0), prev_wp(1), curr_wp(0), curr_wp(1)); - float L_altitude = landingslope.getLandingSlopeAbsoluteAltitude(L_wp_distance, _pos_sp_triplet.current.alt); + float L_altitude_rel = landingslope.getLandingSlopeRelativeAltitude(L_wp_distance); float bearing_airplane_currwp = get_bearing_to_next_waypoint(current_position(0), current_position(1), curr_wp(0), curr_wp(1)); - float landing_slope_alt_desired = landingslope.getLandingSlopeAbsoluteAltitudeSave(wp_distance, bearing_lastwp_currwp, bearing_airplane_currwp, _pos_sp_triplet.current.alt); + float landing_slope_alt_rel_desired = landingslope.getLandingSlopeRelativeAltitudeSave(wp_distance, bearing_lastwp_currwp, bearing_airplane_currwp); + + float relative_alt = get_relative_landingalt(_pos_sp_triplet.current.alt, _global_pos.alt, _range_finder, _parameters.range_finder_rel_alt); - if ( (_global_pos.alt < _pos_sp_triplet.current.alt + landingslope.flare_relative_alt()) || land_noreturn_vertical) { //checking for land_noreturn to avoid unwanted climb out + if ( (relative_alt < landingslope.flare_relative_alt()) || land_noreturn_vertical) { //checking for land_noreturn to avoid unwanted climb out /* land with minimal speed */ @@ -911,7 +965,7 @@ FixedwingPositionControl::control_position(const math::Vector<2> ¤t_positi /* kill the throttle if param requests it */ throttle_max = _parameters.throttle_max; - if (_global_pos.alt < _pos_sp_triplet.current.alt + landingslope.motor_lim_relative_alt() || land_motor_lim) { + if (relative_alt < landingslope.motor_lim_relative_alt() || land_motor_lim) { throttle_max = math::min(throttle_max, _parameters.throttle_land_max); if (!land_motor_lim) { land_motor_lim = true; @@ -920,16 +974,16 @@ FixedwingPositionControl::control_position(const math::Vector<2> ¤t_positi } - float flare_curve_alt = landingslope.getFlareCurveAltitudeSave(wp_distance, bearing_lastwp_currwp, bearing_airplane_currwp, _pos_sp_triplet.current.alt); + float flare_curve_alt_rel = landingslope.getFlareCurveRelativeAltitudeSave(wp_distance, bearing_lastwp_currwp, bearing_airplane_currwp); /* avoid climbout */ - if ((flare_curve_alt_last < flare_curve_alt && land_noreturn_vertical) || land_stayonground) + if ((flare_curve_alt_rel_last < flare_curve_alt_rel && land_noreturn_vertical) || land_stayonground) { - flare_curve_alt = pos_sp_triplet.current.alt; + flare_curve_alt_rel = 0.0f; // stay on ground land_stayonground = true; } - _tecs.update_pitch_throttle(_R_nb, _att.pitch, _global_pos.alt, flare_curve_alt, calculate_target_airspeed(airspeed_land), + _tecs.update_pitch_throttle(_R_nb, _att.pitch, _pos_sp_triplet.current.alt + relative_alt, _pos_sp_triplet.current.alt + flare_curve_alt_rel, calculate_target_airspeed(airspeed_land), _airspeed.indicated_airspeed_m_s, eas2tas, false, flare_pitch_angle_rad, 0.0f, throttle_max, throttle_land, @@ -941,7 +995,7 @@ FixedwingPositionControl::control_position(const math::Vector<2> ¤t_positi } //warnx("Landing: flare, _global_pos.alt %.1f, flare_curve_alt %.1f, flare_curve_alt_last %.1f, flare_length %.1f, wp_distance %.1f", _global_pos.alt, flare_curve_alt, flare_curve_alt_last, flare_length, wp_distance); - flare_curve_alt_last = flare_curve_alt; + flare_curve_alt_rel_last = flare_curve_alt_rel; } else { /* intersect glide slope: @@ -949,20 +1003,20 @@ FixedwingPositionControl::control_position(const math::Vector<2> ¤t_positi * if current position is higher or within 10m of slope follow the glide slope * if current position is below slope -10m continue on maximum of previous wp altitude or L_altitude until the intersection with the slope * */ - float altitude_desired = _global_pos.alt; - if (_global_pos.alt > landing_slope_alt_desired - 10.0f) { + float altitude_desired_rel = relative_alt; + if (relative_alt > landing_slope_alt_rel_desired - 10.0f) { /* stay on slope */ - altitude_desired = landing_slope_alt_desired; + altitude_desired_rel = landing_slope_alt_rel_desired; if (!land_onslope) { mavlink_log_info(_mavlink_fd, "#audio: Landing, on slope"); land_onslope = true; } } else { /* continue horizontally */ - altitude_desired = math::max(_global_pos.alt, L_altitude); + altitude_desired_rel = math::max(relative_alt, L_altitude_rel); } - _tecs.update_pitch_throttle(_R_nb, _att.pitch, _global_pos.alt, altitude_desired, calculate_target_airspeed(airspeed_approach), + _tecs.update_pitch_throttle(_R_nb, _att.pitch, _pos_sp_triplet.current.alt + relative_alt, _pos_sp_triplet.current.alt + altitude_desired_rel, calculate_target_airspeed(airspeed_approach), _airspeed.indicated_airspeed_m_s, eas2tas, false, math::radians(_parameters.pitch_limit_min), _parameters.throttle_min, _parameters.throttle_max, _parameters.throttle_cruise, @@ -1051,16 +1105,16 @@ FixedwingPositionControl::control_position(const math::Vector<2> ¤t_positi _att_sp.roll_reset_integral = true; } - } else if (0/* easy mode enabled */) { + } else if (0/* posctrl mode enabled */) { - /** EASY FLIGHT **/ + /** POSCTRL FLIGHT **/ - if (0/* switched from another mode to easy */) { - _seatbelt_hold_heading = _att.yaw; + if (0/* switched from another mode to posctrl */) { + _altctrl_hold_heading = _att.yaw; } - if (0/* easy on and manual control yaw non-zero */) { - _seatbelt_hold_heading = _att.yaw + _manual.yaw; + if (0/* posctrl on and manual control yaw non-zero */) { + _altctrl_hold_heading = _att.yaw + _manual.r; } //XXX not used @@ -1073,44 +1127,44 @@ FixedwingPositionControl::control_position(const math::Vector<2> ¤t_positi // climb_out = true; // } - /* if in seatbelt mode, set airspeed based on manual control */ + /* if in altctrl mode, set airspeed based on manual control */ // XXX check if ground speed undershoot should be applied here - float seatbelt_airspeed = _parameters.airspeed_min + + float altctrl_airspeed = _parameters.airspeed_min + (_parameters.airspeed_max - _parameters.airspeed_min) * - _manual.throttle; + _manual.z; - _l1_control.navigate_heading(_seatbelt_hold_heading, _att.yaw, ground_speed); + _l1_control.navigate_heading(_altctrl_hold_heading, _att.yaw, ground_speed); _att_sp.roll_body = _l1_control.nav_roll(); _att_sp.yaw_body = _l1_control.nav_bearing(); - _tecs.update_pitch_throttle(_R_nb, _att.pitch, _global_pos.alt, _global_pos.alt + _manual.pitch * 2.0f, - seatbelt_airspeed, + _tecs.update_pitch_throttle(_R_nb, _att.pitch, _global_pos.alt, _global_pos.alt + _manual.x * 2.0f, + altctrl_airspeed, _airspeed.indicated_airspeed_m_s, eas2tas, false, _parameters.pitch_limit_min, _parameters.throttle_min, _parameters.throttle_max, _parameters.throttle_cruise, _parameters.pitch_limit_min, _parameters.pitch_limit_max); - } else if (0/* seatbelt mode enabled */) { + } else if (0/* altctrl mode enabled */) { - /** SEATBELT FLIGHT **/ + /** ALTCTRL FLIGHT **/ - if (0/* switched from another mode to seatbelt */) { - _seatbelt_hold_heading = _att.yaw; + if (0/* switched from another mode to altctrl */) { + _altctrl_hold_heading = _att.yaw; } - if (0/* seatbelt on and manual control yaw non-zero */) { - _seatbelt_hold_heading = _att.yaw + _manual.yaw; + if (0/* altctrl on and manual control yaw non-zero */) { + _altctrl_hold_heading = _att.yaw + _manual.r; } - /* if in seatbelt mode, set airspeed based on manual control */ + /* if in altctrl mode, set airspeed based on manual control */ // XXX check if ground speed undershoot should be applied here - float seatbelt_airspeed = _parameters.airspeed_min + + float altctrl_airspeed = _parameters.airspeed_min + (_parameters.airspeed_max - _parameters.airspeed_min) * - _manual.throttle; + _manual.z; /* user switched off throttle */ - if (_manual.throttle < 0.1f) { + if (_manual.z < 0.1f) { throttle_max = 0.0f; /* switch to pure pitch based altitude control, give up speed */ _tecs.set_speed_weight(0.0f); @@ -1120,15 +1174,15 @@ FixedwingPositionControl::control_position(const math::Vector<2> ¤t_positi bool climb_out = false; /* user wants to climb out */ - if (_manual.pitch > 0.3f && _manual.throttle > 0.8f) { + if (_manual.x > 0.3f && _manual.z > 0.8f) { climb_out = true; } - _l1_control.navigate_heading(_seatbelt_hold_heading, _att.yaw, ground_speed); - _att_sp.roll_body = _manual.roll; - _att_sp.yaw_body = _manual.yaw; - _tecs.update_pitch_throttle(_R_nb, _att.pitch, _global_pos.alt, _global_pos.alt + _manual.pitch * 2.0f, - seatbelt_airspeed, + _l1_control.navigate_heading(_altctrl_hold_heading, _att.yaw, ground_speed); + _att_sp.roll_body = _manual.y; + _att_sp.yaw_body = _manual.r; + _tecs.update_pitch_throttle(_R_nb, _att.pitch, _global_pos.alt, _global_pos.alt + _manual.x * 2.0f, + altctrl_airspeed, _airspeed.indicated_airspeed_m_s, eas2tas, climb_out, _parameters.pitch_limit_min, _parameters.throttle_min, _parameters.throttle_max, _parameters.throttle_cruise, @@ -1185,6 +1239,7 @@ FixedwingPositionControl::task_main() _airspeed_sub = orb_subscribe(ORB_ID(airspeed)); _params_sub = orb_subscribe(ORB_ID(parameter_update)); _manual_control_sub = orb_subscribe(ORB_ID(manual_control_setpoint)); + _range_finder_sub = orb_subscribe(ORB_ID(sensor_range_finder)); /* rate limit vehicle status updates to 5Hz */ orb_set_interval(_control_mode_sub, 200); @@ -1264,6 +1319,7 @@ FixedwingPositionControl::task_main() vehicle_setpoint_poll(); vehicle_sensor_combined_poll(); vehicle_airspeed_poll(); + range_finder_poll(); // vehicle_baro_poll(); math::Vector<2> ground_speed(_global_pos.vel_n, _global_pos.vel_e); diff --git a/src/modules/fw_pos_control_l1/fw_pos_control_l1_params.c b/src/modules/fw_pos_control_l1/fw_pos_control_l1_params.c index 37f06dbe5..f258f77da 100644 --- a/src/modules/fw_pos_control_l1/fw_pos_control_l1_params.c +++ b/src/modules/fw_pos_control_l1/fw_pos_control_l1_params.c @@ -375,3 +375,14 @@ PARAM_DEFINE_FLOAT(FW_LND_TLALT, 5.0f); * @group L1 Control */ PARAM_DEFINE_FLOAT(FW_LND_HHDIST, 15.0f); + +/** + * Relative altitude threshold for range finder measurements for use during landing + * + * range finder measurements will only be used if the estimated relative altitude (gobal_pos.alt - landing_waypoint.alt) is < FW_LND_RFRALT + * set to < 0 to disable + * the correct value of this parameter depends on your range measuring device as well as on the terrain at the landing location + * + * @group L1 Control + */ +PARAM_DEFINE_FLOAT(FW_LND_RFRALT, -1.0f); diff --git a/src/modules/fw_pos_control_l1/landingslope.cpp b/src/modules/fw_pos_control_l1/landingslope.cpp index e5f7023ae..8ce465fe8 100644 --- a/src/modules/fw_pos_control_l1/landingslope.cpp +++ b/src/modules/fw_pos_control_l1/landingslope.cpp @@ -69,26 +69,46 @@ void Landingslope::calculateSlopeValues() _horizontal_slope_displacement = (_flare_length - _d1); } -float Landingslope::getLandingSlopeAbsoluteAltitude(float wp_distance, float wp_altitude) +float Landingslope::getLandingSlopeRelativeAltitude(float wp_landing_distance) { - return Landingslope::getLandingSlopeAbsoluteAltitude(wp_distance, wp_altitude, _horizontal_slope_displacement, _landing_slope_angle_rad); + return Landingslope::getLandingSlopeRelativeAltitude(wp_landing_distance, _horizontal_slope_displacement, _landing_slope_angle_rad); } -float Landingslope::getLandingSlopeAbsoluteAltitudeSave(float wp_distance, float bearing_lastwp_currwp, float bearing_airplane_currwp, float wp_altitude) +float Landingslope::getLandingSlopeRelativeAltitudeSave(float wp_landing_distance, float bearing_lastwp_currwp, float bearing_airplane_currwp) { /* If airplane is in front of waypoint return slope altitude, else return waypoint altitude */ if (fabsf(bearing_airplane_currwp - bearing_lastwp_currwp) < math::radians(90.0f)) - return getLandingSlopeAbsoluteAltitude(wp_distance, wp_altitude); + return getLandingSlopeRelativeAltitude(wp_landing_distance); + else + return 0.0f; +} + +float Landingslope::getLandingSlopeAbsoluteAltitude(float wp_landing_distance, float wp_altitude) +{ + return Landingslope::getLandingSlopeAbsoluteAltitude(wp_landing_distance, wp_altitude, _horizontal_slope_displacement, _landing_slope_angle_rad); +} + +float Landingslope::getLandingSlopeAbsoluteAltitudeSave(float wp_landing_distance, float bearing_lastwp_currwp, float bearing_airplane_currwp, float wp_altitude) +{ + /* If airplane is in front of waypoint return slope altitude, else return waypoint altitude */ + if (fabsf(bearing_airplane_currwp - bearing_lastwp_currwp) < math::radians(90.0f)) + return getLandingSlopeAbsoluteAltitude(wp_landing_distance, wp_altitude); else return wp_altitude; } -float Landingslope::getFlareCurveAltitudeSave(float wp_landing_distance, float bearing_lastwp_currwp, float bearing_airplane_currwp, float wp_landing_altitude) +float Landingslope::getFlareCurveRelativeAltitudeSave(float wp_landing_distance, float bearing_lastwp_currwp, float bearing_airplane_currwp) { /* If airplane is in front of waypoint return flare curve altitude, else return waypoint altitude */ if (fabsf(bearing_airplane_currwp - bearing_lastwp_currwp) < math::radians(90.0f)) - return wp_landing_altitude + _H0 * expf(-math::max(0.0f, _flare_length - wp_landing_distance)/_flare_constant) - _H1_virt; + return _H0 * expf(-math::max(0.0f, _flare_length - wp_landing_distance)/_flare_constant) - _H1_virt; else - return wp_landing_altitude; + return 0.0f; +} + +float Landingslope::getFlareCurveAbsoluteAltitudeSave(float wp_landing_distance, float bearing_lastwp_currwp, float bearing_airplane_currwp, float wp_landing_altitude) +{ + + return wp_landing_altitude + getFlareCurveRelativeAltitudeSave(wp_landing_distance, bearing_lastwp_currwp, bearing_airplane_currwp); } diff --git a/src/modules/fw_pos_control_l1/landingslope.h b/src/modules/fw_pos_control_l1/landingslope.h index 76d65a55f..b54fd501c 100644 --- a/src/modules/fw_pos_control_l1/landingslope.h +++ b/src/modules/fw_pos_control_l1/landingslope.h @@ -63,11 +63,26 @@ public: Landingslope() {} ~Landingslope() {} + + /** + * + * @return relative altitude of point on landing slope at distance to landing waypoint=wp_landing_distance + */ + float getLandingSlopeRelativeAltitude(float wp_landing_distance); + + /** + * + * @return relative altitude of point on landing slope at distance to landing waypoint=wp_landing_distance + * Performs check if aircraft is in front of waypoint to avoid climbout + */ + float getLandingSlopeRelativeAltitudeSave(float wp_landing_distance, float bearing_lastwp_currwp, float bearing_airplane_currwp); + + /** * * @return Absolute altitude of point on landing slope at distance to landing waypoint=wp_landing_distance */ - float getLandingSlopeAbsoluteAltitude(float wp_distance, float wp_altitude); + float getLandingSlopeAbsoluteAltitude(float wp_landing_distance, float wp_altitude); /** * @@ -78,11 +93,20 @@ public: /** * + * @return Relative altitude of point on landing slope at distance to landing waypoint=wp_landing_distance + */ + __EXPORT static float getLandingSlopeRelativeAltitude(float wp_landing_distance, float horizontal_slope_displacement, float landing_slope_angle_rad) + { + return (wp_landing_distance - horizontal_slope_displacement) * tanf(landing_slope_angle_rad); //flare_relative_alt is negative + } + + /** + * * @return Absolute altitude of point on landing slope at distance to landing waypoint=wp_landing_distance */ __EXPORT static float getLandingSlopeAbsoluteAltitude(float wp_landing_distance, float wp_landing_altitude, float horizontal_slope_displacement, float landing_slope_angle_rad) { - return (wp_landing_distance - horizontal_slope_displacement) * tanf(landing_slope_angle_rad) + wp_landing_altitude; //flare_relative_alt is negative + return getLandingSlopeRelativeAltitude(wp_landing_distance, horizontal_slope_displacement, landing_slope_angle_rad) + wp_landing_altitude; } /** @@ -95,8 +119,9 @@ public: } + float getFlareCurveRelativeAltitudeSave(float wp_distance, float bearing_lastwp_currwp, float bearing_airplane_currwp); - float getFlareCurveAltitudeSave(float wp_distance, float bearing_lastwp_currwp, float bearing_airplane_currwp, float wp_altitude); + float getFlareCurveAbsoluteAltitudeSave(float wp_distance, float bearing_lastwp_currwp, float bearing_airplane_currwp, float wp_altitude); void update(float landing_slope_angle_rad, float flare_relative_alt, diff --git a/src/modules/mavlink/mavlink_main.cpp b/src/modules/mavlink/mavlink_main.cpp index 7ecca0d65..bb1ad86ef 100644 --- a/src/modules/mavlink/mavlink_main.cpp +++ b/src/modules/mavlink/mavlink_main.cpp @@ -149,10 +149,7 @@ mavlink_send_uart_bytes(mavlink_channel_t channel, const uint8_t *ch, int length instance = Mavlink::get_instance(6); break; #endif - } - - /* no valid instance, bail */ - if (!instance) { + default: return; } @@ -189,9 +186,18 @@ mavlink_send_uart_bytes(mavlink_channel_t channel, const uint8_t *ch, int length /* If the wait until transmit flag is on, only transmit after we've received messages. Otherwise, transmit all the time. */ if (instance->should_transmit()) { - ssize_t ret = write(uart, ch, desired); + + /* check if there is space in the buffer, let it overflow else */ + if (!ioctl(uart, FIONWRITE, (unsigned long)&buf_free)) { + + if (desired > buf_free) { + desired = buf_free; + } + } + + ssize_t ret = write(uart, ch, desired); if (ret != desired) { - // XXX do something here, but change to using FIONWRITE and OS buf size for detection + warnx("TX FAIL"); } } @@ -202,9 +208,9 @@ mavlink_send_uart_bytes(mavlink_channel_t channel, const uint8_t *ch, int length static void usage(void); Mavlink::Mavlink() : - next(nullptr), _device_name(DEFAULT_DEVICE_NAME), _task_should_exit(false), + next(nullptr), _mavlink_fd(-1), _task_running(false), _hil_enabled(false), @@ -225,7 +231,6 @@ Mavlink::Mavlink() : _subscribe_to_stream_rate(0.0f), _flow_control_enabled(true), _message_buffer({}), - /* performance counters */ _loop_perf(perf_alloc(PC_ELAPSED, "mavlink")) { @@ -410,7 +415,7 @@ Mavlink::instance_exists(const char *device_name, Mavlink *self) void Mavlink::forward_message(mavlink_message_t *msg, Mavlink *self) { - + Mavlink *inst; LL_FOREACH(_mavlink_instances, inst) { if (inst != self) { @@ -727,9 +732,9 @@ int Mavlink::mavlink_pm_send_param(param_t param) if (param == PARAM_INVALID) { return 1; } /* buffers for param transmission */ - static char name_buf[MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN]; + char name_buf[MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN]; float val_buf; - static mavlink_message_t tx_msg; + mavlink_message_t tx_msg; /* query parameter type */ param_type_t type = param_type(param); @@ -881,7 +886,7 @@ int Mavlink::map_mavlink_mission_item_to_mission_item(const mavlink_mission_item switch (mavlink_mission_item->command) { case MAV_CMD_NAV_TAKEOFF: - mission_item->pitch_min = mavlink_mission_item->param2; + mission_item->pitch_min = mavlink_mission_item->param1; break; default: @@ -1523,6 +1528,8 @@ void Mavlink::mavlink_wpm_message_handler(const mavlink_message_t *msg) void Mavlink::mavlink_missionlib_send_message(mavlink_message_t *msg) { + uint8_t missionlib_msg_buf[MAVLINK_MAX_PACKET_LEN]; + uint16_t len = mavlink_msg_to_send_buffer(missionlib_msg_buf, msg); mavlink_send_uart_bytes(_channel, missionlib_msg_buf, len); @@ -1535,6 +1542,8 @@ Mavlink::mavlink_missionlib_send_gcs_string(const char *string) { const int len = MAVLINK_MSG_STATUSTEXT_FIELD_TEXT_LEN; mavlink_statustext_t statustext; + statustext.severity = MAV_SEVERITY_INFO; + int i = 0; while (i < len - 1) { @@ -2017,14 +2026,14 @@ Mavlink::task_main(int argc, char *argv[]) if (_subscribe_to_stream != nullptr) { if (OK == configure_stream(_subscribe_to_stream, _subscribe_to_stream_rate)) { if (_subscribe_to_stream_rate > 0.0f) { - warnx("stream %s on device %s enabled with rate %.1f Hz", _subscribe_to_stream, _device_name, _subscribe_to_stream_rate); + warnx("stream %s on device %s enabled with rate %.1f Hz", _subscribe_to_stream, _device_name, (double)_subscribe_to_stream_rate); } else { warnx("stream %s on device %s disabled", _subscribe_to_stream, _device_name); } } else { - warnx("stream %s not found", _subscribe_to_stream, _device_name); + warnx("stream %s on device %s not found", _subscribe_to_stream, _device_name); } delete _subscribe_to_stream; @@ -2191,7 +2200,7 @@ Mavlink::start(int argc, char *argv[]) task_spawn_cmd(buf, SCHED_DEFAULT, SCHED_PRIORITY_DEFAULT, - 2048, + 1950, (main_t)&Mavlink::start_helper, (const char **)argv); @@ -2230,7 +2239,6 @@ Mavlink::stream(int argc, char *argv[]) const char *device_name = DEFAULT_DEVICE_NAME; float rate = -1.0f; const char *stream_name = nullptr; - int ch; argc -= 2; argv += 2; @@ -2267,7 +2275,7 @@ Mavlink::stream(int argc, char *argv[]) i++; } - if (!err_flag && rate >= 0.0 && stream_name != nullptr) { + if (!err_flag && rate >= 0.0f && stream_name != nullptr) { Mavlink *inst = get_instance_for_device(device_name); if (inst != nullptr) { diff --git a/src/modules/mavlink/mavlink_main.h b/src/modules/mavlink/mavlink_main.h index 1bf51fd31..25c0da820 100644 --- a/src/modules/mavlink/mavlink_main.h +++ b/src/modules/mavlink/mavlink_main.h @@ -221,8 +221,6 @@ private: int _mavlink_fd; bool _task_running; - perf_counter_t _loop_perf; /**< loop performance counter */ - /* states */ bool _hil_enabled; /**< Hardware In the Loop mode */ bool _use_hil_gps; /**< Accept GPS HIL messages (for example from an external motion capturing system to fake indoor gps) */ @@ -237,7 +235,6 @@ private: orb_advert_t _mission_pub; struct mission_s mission; - uint8_t missionlib_msg_buf[MAVLINK_MAX_PACKET_LEN]; MAVLINK_MODE _mode; uint8_t _mavlink_wpm_comp_id; @@ -283,7 +280,7 @@ private: pthread_mutex_t _message_buffer_mutex; - + perf_counter_t _loop_perf; /**< loop performance counter */ /** * Send one parameter. diff --git a/src/modules/mavlink/mavlink_messages.cpp b/src/modules/mavlink/mavlink_messages.cpp index 678ce1645..933478f56 100644 --- a/src/modules/mavlink/mavlink_messages.cpp +++ b/src/modules/mavlink/mavlink_messages.cpp @@ -124,18 +124,22 @@ void get_mavlink_mode_state(struct vehicle_status_s *status, struct position_set *mavlink_base_mode |= MAV_MODE_FLAG_MANUAL_INPUT_ENABLED | (status->is_rotary_wing ? MAV_MODE_FLAG_STABILIZE_ENABLED : 0); custom_mode.main_mode = PX4_CUSTOM_MAIN_MODE_MANUAL; - } else if (status->main_state == MAIN_STATE_SEATBELT) { + } else if (status->main_state == MAIN_STATE_ALTCTL) { *mavlink_base_mode |= MAV_MODE_FLAG_MANUAL_INPUT_ENABLED | MAV_MODE_FLAG_STABILIZE_ENABLED; - custom_mode.main_mode = PX4_CUSTOM_MAIN_MODE_SEATBELT; + custom_mode.main_mode = PX4_CUSTOM_MAIN_MODE_ALTCTL; - } else if (status->main_state == MAIN_STATE_EASY) { + } else if (status->main_state == MAIN_STATE_POSCTL) { *mavlink_base_mode |= MAV_MODE_FLAG_MANUAL_INPUT_ENABLED | MAV_MODE_FLAG_STABILIZE_ENABLED | MAV_MODE_FLAG_GUIDED_ENABLED; - custom_mode.main_mode = PX4_CUSTOM_MAIN_MODE_EASY; + custom_mode.main_mode = PX4_CUSTOM_MAIN_MODE_POSCTL; } else if (status->main_state == MAIN_STATE_AUTO) { *mavlink_base_mode |= MAV_MODE_FLAG_AUTO_ENABLED | MAV_MODE_FLAG_STABILIZE_ENABLED | MAV_MODE_FLAG_GUIDED_ENABLED; custom_mode.main_mode = PX4_CUSTOM_MAIN_MODE_AUTO; custom_mode.sub_mode = PX4_CUSTOM_SUB_MODE_AUTO_READY; + + } else if (status->main_state == MAIN_STATE_ACRO) { + *mavlink_base_mode |= MAV_MODE_FLAG_MANUAL_INPUT_ENABLED; + custom_mode.main_mode = PX4_CUSTOM_MAIN_MODE_ACRO; } } else { @@ -819,11 +823,11 @@ protected: void send(const hrt_abstime t) { - bool updated = status_sub->update(t); - updated |= pos_sp_triplet_sub->update(t); - updated |= act_sub->update(t); + bool updated = act_sub->update(t); + (void)pos_sp_triplet_sub->update(t); + (void)status_sub->update(t); - if (updated) { + if (updated && (status->arming_state == ARMING_STATE_ARMED)) { /* translate the current syste state to mavlink state and mode */ uint8_t mavlink_state; uint8_t mavlink_base_mode; @@ -1138,10 +1142,10 @@ protected: if (manual_sub->update(t)) { mavlink_msg_manual_control_send(_channel, mavlink_system.sysid, - manual->roll * 1000, - manual->pitch * 1000, - manual->yaw * 1000, - manual->throttle * 1000, + manual->x * 1000, + manual->y * 1000, + manual->z * 1000, + manual->r * 1000, 0); } } @@ -1339,22 +1343,23 @@ protected: void send(const hrt_abstime t) { - (void)range_sub->update(t); + if (range_sub->update(t)) { - uint8_t type; + uint8_t type; - switch (range->type) { - case RANGE_FINDER_TYPE_LASER: - type = MAV_DISTANCE_SENSOR_LASER; - break; - } + switch (range->type) { + case RANGE_FINDER_TYPE_LASER: + type = MAV_DISTANCE_SENSOR_LASER; + break; + } - uint8_t id = 0; - uint8_t orientation = 0; - uint8_t covariance = 20; + uint8_t id = 0; + uint8_t orientation = 0; + uint8_t covariance = 20; - mavlink_msg_distance_sensor_send(_channel, range->timestamp / 1000, type, id, orientation, - range->minimum_distance*100, range->maximum_distance*100, range->distance*100, covariance); + mavlink_msg_distance_sensor_send(_channel, range->timestamp / 1000, type, id, orientation, + range->minimum_distance*100, range->maximum_distance*100, range->distance*100, covariance); + } } }; diff --git a/src/modules/mavlink/mavlink_orb_subscription.cpp b/src/modules/mavlink/mavlink_orb_subscription.cpp index d432edd2b..21d5219d3 100644 --- a/src/modules/mavlink/mavlink_orb_subscription.cpp +++ b/src/modules/mavlink/mavlink_orb_subscription.cpp @@ -63,7 +63,7 @@ MavlinkOrbSubscription::~MavlinkOrbSubscription() free(_data); } -const orb_id_t +orb_id_t MavlinkOrbSubscription::get_topic() { return _topic; diff --git a/src/modules/mavlink/mavlink_orb_subscription.h b/src/modules/mavlink/mavlink_orb_subscription.h index 5c6543e81..8c09772c8 100644 --- a/src/modules/mavlink/mavlink_orb_subscription.h +++ b/src/modules/mavlink/mavlink_orb_subscription.h @@ -63,7 +63,7 @@ public: */ bool is_published(); void *get_data(); - const orb_id_t get_topic(); + orb_id_t get_topic(); private: const orb_id_t _topic; /*< topic metadata */ diff --git a/src/modules/mavlink/mavlink_receiver.cpp b/src/modules/mavlink/mavlink_receiver.cpp index 33a4fef12..53769e0cf 100644 --- a/src/modules/mavlink/mavlink_receiver.cpp +++ b/src/modules/mavlink/mavlink_receiver.cpp @@ -191,7 +191,7 @@ MavlinkReceiver::handle_message(mavlink_message_t *msg) } } - + /* If we've received a valid message, mark the flag indicating so. This is used in the '-w' command-line flag. */ _mavlink->set_has_received_messages(true); @@ -217,6 +217,12 @@ MavlinkReceiver::handle_message_command_long(mavlink_message_t *msg) _mavlink->_task_should_exit = true; } else { + + if (msg->sysid == mavlink_system.sysid && msg->compid == mavlink_system.compid) { + warnx("ignoring CMD spoofed with same SYS/COMP ID"); + return; + } + struct vehicle_command_s vcmd; memset(&vcmd, 0, sizeof(vcmd)); @@ -432,10 +438,10 @@ MavlinkReceiver::handle_message_manual_control(mavlink_message_t *msg) memset(&manual, 0, sizeof(manual)); manual.timestamp = hrt_absolute_time(); - manual.roll = man.x / 1000.0f; - manual.pitch = man.y / 1000.0f; - manual.yaw = man.r / 1000.0f; - manual.throttle = man.z / 1000.0f; + manual.x = man.x / 1000.0f; + manual.y = man.y / 1000.0f; + manual.r = man.r / 1000.0f; + manual.z = man.z / 1000.0f; if (_manual_pub < 0) { _manual_pub = orb_advertise(ORB_ID(manual_control_setpoint), &manual); @@ -926,6 +932,8 @@ void *MavlinkReceiver::start_helper(void *context) rcv->receive_thread(NULL); delete rcv; + + return nullptr; } pthread_t @@ -943,7 +951,7 @@ MavlinkReceiver::receive_start(Mavlink *parent) param.sched_priority = SCHED_PRIORITY_MAX - 40; (void)pthread_attr_setschedparam(&receiveloop_attr, ¶m); - pthread_attr_setstacksize(&receiveloop_attr, 3000); + pthread_attr_setstacksize(&receiveloop_attr, 2900); pthread_t thread; pthread_create(&thread, &receiveloop_attr, MavlinkReceiver::start_helper, (void *)parent); diff --git a/src/modules/mavlink/mavlink_stream.cpp b/src/modules/mavlink/mavlink_stream.cpp index bb19d7e33..5ec30bd33 100644 --- a/src/modules/mavlink/mavlink_stream.cpp +++ b/src/modules/mavlink/mavlink_stream.cpp @@ -81,5 +81,9 @@ MavlinkStream::update(const hrt_abstime t) /* interval expired, send message */ send(t); _last_sent = (t / _interval) * _interval; + + return 0; } + + return -1; } diff --git a/src/modules/mavlink/mavlink_stream.h b/src/modules/mavlink/mavlink_stream.h index def40d9ad..2979d20de 100644 --- a/src/modules/mavlink/mavlink_stream.h +++ b/src/modules/mavlink/mavlink_stream.h @@ -63,9 +63,13 @@ public: MavlinkStream *next; MavlinkStream(); - ~MavlinkStream(); + virtual ~MavlinkStream(); void set_interval(const unsigned int interval); void set_channel(mavlink_channel_t channel); + + /** + * @return 0 if updated / sent, -1 if unchanged + */ int update(const hrt_abstime t); virtual MavlinkStream *new_instance() = 0; virtual void subscribe(Mavlink *mavlink) = 0; diff --git a/src/modules/mavlink/module.mk b/src/modules/mavlink/module.mk index dcca11977..f532e26fe 100644 --- a/src/modules/mavlink/module.mk +++ b/src/modules/mavlink/module.mk @@ -48,3 +48,5 @@ SRCS += mavlink_main.cpp \ INCLUDE_DIRS += $(MAVLINK_SRC)/include/mavlink MAXOPTIMIZATION = -Os + +MODULE_STACKSIZE = 1024 diff --git a/src/modules/mc_att_control/mc_att_control_main.cpp b/src/modules/mc_att_control/mc_att_control_main.cpp index 6b0c44fb3..20e016da3 100644 --- a/src/modules/mc_att_control/mc_att_control_main.cpp +++ b/src/modules/mc_att_control/mc_att_control_main.cpp @@ -1,9 +1,6 @@ /**************************************************************************** * * Copyright (c) 2013, 2014 PX4 Development Team. All rights reserved. - * Author: @author Tobias Naegeli <naegelit@student.ethz.ch> - * @author Lorenz Meier <lm@inf.ethz.ch> - * @author Anton Babushkin <anton.babushkin@me.com> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -35,9 +32,13 @@ ****************************************************************************/ /** - * @file mc_att_control_main.c + * @file mc_att_control_main.cpp * Multicopter attitude controller. * + * @author Tobias Naegeli <naegelit@student.ethz.ch> + * @author Lorenz Meier <lm@inf.ethz.ch> + * @author Anton Babushkin <anton.babushkin@me.com> + * * The controller has two loops: P loop for angular error and PD loop for angular rate error. * Desired rotation calculated keeping in mind that yaw response is normally slower than roll/pitch. * For small deviations controller rotates copter to have shortest path of thrust vector and independently rotates around yaw, @@ -71,7 +72,7 @@ #include <systemlib/err.h> #include <systemlib/perf_counter.h> #include <systemlib/systemlib.h> -#include <mathlib/mathlib.h> +#include <lib/mathlib/mathlib.h> #include <lib/geo/geo.h> /** @@ -156,10 +157,14 @@ private: param_t yaw_rate_i; param_t yaw_rate_d; param_t yaw_ff; + param_t yaw_rate_max; param_t man_roll_max; param_t man_pitch_max; param_t man_yaw_max; + param_t acro_roll_max; + param_t acro_pitch_max; + param_t acro_yaw_max; } _params_handles; /**< handles for interesting parameters */ struct { @@ -168,10 +173,12 @@ private: math::Vector<3> rate_i; /**< I gain for angular rate error */ math::Vector<3> rate_d; /**< D gain for angular rate error */ float yaw_ff; /**< yaw control feed-forward */ + float yaw_rate_max; /**< max yaw rate */ float man_roll_max; float man_pitch_max; float man_yaw_max; + math::Vector<3> acro_rate_max; /**< max attitude rates in acro mode */ } _params; /** @@ -225,9 +232,9 @@ private: static void task_main_trampoline(int argc, char *argv[]); /** - * Main sensor collection task. + * Main attitude control task. */ - void task_main() __attribute__((noreturn)); + void task_main(); }; namespace mc_att_control @@ -276,6 +283,12 @@ MulticopterAttitudeControl::MulticopterAttitudeControl() : _params.rate_p.zero(); _params.rate_i.zero(); _params.rate_d.zero(); + _params.yaw_ff = 0.0f; + _params.yaw_rate_max = 0.0f; + _params.man_roll_max = 0.0f; + _params.man_pitch_max = 0.0f; + _params.man_yaw_max = 0.0f; + _params.acro_rate_max.zero(); _rates_prev.zero(); _rates_sp.zero(); @@ -298,10 +311,13 @@ MulticopterAttitudeControl::MulticopterAttitudeControl() : _params_handles.yaw_rate_i = param_find("MC_YAWRATE_I"); _params_handles.yaw_rate_d = param_find("MC_YAWRATE_D"); _params_handles.yaw_ff = param_find("MC_YAW_FF"); - + _params_handles.yaw_rate_max = param_find("MC_YAWRATE_MAX"); _params_handles.man_roll_max = param_find("MC_MAN_R_MAX"); _params_handles.man_pitch_max = param_find("MC_MAN_P_MAX"); _params_handles.man_yaw_max = param_find("MC_MAN_Y_MAX"); + _params_handles.acro_roll_max = param_find("MC_ACRO_R_MAX"); + _params_handles.acro_pitch_max = param_find("MC_ACRO_P_MAX"); + _params_handles.acro_yaw_max = param_find("MC_ACRO_Y_MAX"); /* fetch initial parameter values */ parameters_update(); @@ -367,15 +383,24 @@ MulticopterAttitudeControl::parameters_update() _params.rate_d(2) = v; param_get(_params_handles.yaw_ff, &_params.yaw_ff); + param_get(_params_handles.yaw_rate_max, &_params.yaw_rate_max); + _params.yaw_rate_max = math::radians(_params.yaw_rate_max); /* manual control scale */ param_get(_params_handles.man_roll_max, &_params.man_roll_max); param_get(_params_handles.man_pitch_max, &_params.man_pitch_max); param_get(_params_handles.man_yaw_max, &_params.man_yaw_max); - - _params.man_roll_max *= M_PI / 180.0; - _params.man_pitch_max *= M_PI / 180.0; - _params.man_yaw_max *= M_PI / 180.0; + _params.man_roll_max = math::radians(_params.man_roll_max); + _params.man_pitch_max = math::radians(_params.man_pitch_max); + _params.man_yaw_max = math::radians(_params.man_yaw_max); + + /* acro control scale */ + param_get(_params_handles.acro_roll_max, &v); + _params.acro_rate_max(0) = math::radians(v); + param_get(_params_handles.acro_pitch_max, &v); + _params.acro_rate_max(1) = math::radians(v); + param_get(_params_handles.acro_yaw_max, &v); + _params.acro_rate_max(2) = math::radians(v); return OK; } @@ -478,7 +503,7 @@ MulticopterAttitudeControl::control_attitude(float dt) if (!_v_control_mode.flag_control_climb_rate_enabled) { /* pass throttle directly if not in altitude stabilized mode */ - _v_att_sp.thrust = _manual_control_sp.throttle; + _v_att_sp.thrust = _manual_control_sp.z; publish_att_sp = true; } @@ -496,7 +521,16 @@ MulticopterAttitudeControl::control_attitude(float dt) //} } else { /* move yaw setpoint */ - _v_att_sp.yaw_body = _wrap_pi(_v_att_sp.yaw_body + _manual_control_sp.yaw * _params.man_yaw_max * dt); + yaw_sp_move_rate = _manual_control_sp.r * _params.man_yaw_max; + _v_att_sp.yaw_body = _wrap_pi(_v_att_sp.yaw_body + yaw_sp_move_rate * dt); + float yaw_offs_max = _params.man_yaw_max / _params.att_p(2); + float yaw_offs = _wrap_pi(_v_att_sp.yaw_body - _v_att.yaw); + if (yaw_offs < - yaw_offs_max) { + _v_att_sp.yaw_body = _wrap_pi(_v_att.yaw - yaw_offs_max); + + } else if (yaw_offs > yaw_offs_max) { + _v_att_sp.yaw_body = _wrap_pi(_v_att.yaw + yaw_offs_max); + } _v_att_sp.R_valid = false; publish_att_sp = true; } @@ -511,8 +545,8 @@ MulticopterAttitudeControl::control_attitude(float dt) if (!_v_control_mode.flag_control_velocity_enabled) { /* update attitude setpoint if not in position control mode */ - _v_att_sp.roll_body = _manual_control_sp.roll * _params.man_roll_max; - _v_att_sp.pitch_body = -_manual_control_sp.pitch * _params.man_pitch_max; + _v_att_sp.roll_body = _manual_control_sp.y * _params.man_roll_max; + _v_att_sp.pitch_body = -_manual_control_sp.x * _params.man_pitch_max; _v_att_sp.R_valid = false; publish_att_sp = true; } @@ -625,6 +659,9 @@ MulticopterAttitudeControl::control_attitude(float dt) /* calculate angular rates setpoint */ _rates_sp = _params.att_p.emult(e_R); + /* limit yaw rate */ + _rates_sp(2) = math::constrain(_rates_sp(2), -_params.yaw_rate_max, _params.yaw_rate_max); + /* feed forward yaw setpoint rate */ _rates_sp(2) += yaw_sp_move_rate * yaw_w * _params.yaw_ff; } @@ -761,11 +798,36 @@ MulticopterAttitudeControl::task_main() } else { /* attitude controller disabled, poll rates setpoint topic */ - vehicle_rates_setpoint_poll(); - _rates_sp(0) = _v_rates_sp.roll; - _rates_sp(1) = _v_rates_sp.pitch; - _rates_sp(2) = _v_rates_sp.yaw; - _thrust_sp = _v_rates_sp.thrust; + if (_v_control_mode.flag_control_manual_enabled) { + /* manual rates control - ACRO mode */ + _rates_sp = math::Vector<3>(_manual_control_sp.y, -_manual_control_sp.x, _manual_control_sp.r).emult(_params.acro_rate_max); + _thrust_sp = _manual_control_sp.z; + + /* reset yaw setpoint after ACRO */ + _reset_yaw_sp = true; + + /* publish attitude rates setpoint */ + _v_rates_sp.roll = _rates_sp(0); + _v_rates_sp.pitch = _rates_sp(1); + _v_rates_sp.yaw = _rates_sp(2); + _v_rates_sp.thrust = _thrust_sp; + _v_rates_sp.timestamp = hrt_absolute_time(); + + if (_v_rates_sp_pub > 0) { + orb_publish(ORB_ID(vehicle_rates_setpoint), _v_rates_sp_pub, &_v_rates_sp); + + } else { + _v_rates_sp_pub = orb_advertise(ORB_ID(vehicle_rates_setpoint), &_v_rates_sp); + } + + } else { + /* attitude controller disabled, poll rates setpoint topic */ + vehicle_rates_setpoint_poll(); + _rates_sp(0) = _v_rates_sp.roll; + _rates_sp(1) = _v_rates_sp.pitch; + _rates_sp(2) = _v_rates_sp.yaw; + _thrust_sp = _v_rates_sp.thrust; + } } if (_v_control_mode.flag_control_rates_enabled) { @@ -805,7 +867,7 @@ MulticopterAttitudeControl::start() _control_task = task_spawn_cmd("mc_att_control", SCHED_DEFAULT, SCHED_PRIORITY_MAX - 5, - 2048, + 2000, (main_t)&MulticopterAttitudeControl::task_main_trampoline, nullptr); diff --git a/src/modules/mc_att_control/mc_att_control_params.c b/src/modules/mc_att_control/mc_att_control_params.c index e52c39368..819847b40 100644 --- a/src/modules/mc_att_control/mc_att_control_params.c +++ b/src/modules/mc_att_control/mc_att_control_params.c @@ -1,9 +1,6 @@ /**************************************************************************** * * Copyright (c) 2013, 2014 PX4 Development Team. All rights reserved. - * Author: @author Tobias Naegeli <naegelit@student.ethz.ch> - * @author Lorenz Meier <lm@inf.ethz.ch> - * @author Anton Babushkin <anton.babushkin@me.com> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -37,6 +34,10 @@ /** * @file mc_att_control_params.c * Parameters for multicopter attitude controller. + * + * @author Tobias Naegeli <naegelit@student.ethz.ch> + * @author Lorenz Meier <lm@inf.ethz.ch> + * @author Anton Babushkin <anton.babushkin@me.com> */ #include <systemlib/param/param.h> @@ -175,6 +176,18 @@ PARAM_DEFINE_FLOAT(MC_YAWRATE_D, 0.0f); PARAM_DEFINE_FLOAT(MC_YAW_FF, 0.5f); /** + * Max yaw rate + * + * Limit for yaw rate, has effect for large rotations in autonomous mode, to avoid large control output and mixer saturation. + * + * @unit deg/s + * @min 0.0 + * @max 360.0 + * @group Multicopter Attitude Control + */ +PARAM_DEFINE_FLOAT(MC_YAWRATE_MAX, 120.0f); + +/** * Max manual roll * * @unit deg @@ -202,3 +215,32 @@ PARAM_DEFINE_FLOAT(MC_MAN_P_MAX, 35.0f); * @group Multicopter Attitude Control */ PARAM_DEFINE_FLOAT(MC_MAN_Y_MAX, 120.0f); + +/** + * Max acro roll rate + * + * @unit deg/s + * @min 0.0 + * @max 360.0 + * @group Multicopter Attitude Control + */ +PARAM_DEFINE_FLOAT(MC_ACRO_R_MAX, 90.0f); + +/** + * Max acro pitch rate + * + * @unit deg/s + * @min 0.0 + * @max 360.0 + * @group Multicopter Attitude Control + */ +PARAM_DEFINE_FLOAT(MC_ACRO_P_MAX, 90.0f); + +/** + * Max acro yaw rate + * + * @unit deg/s + * @min 0.0 + * @group Multicopter Attitude Control + */ +PARAM_DEFINE_FLOAT(MC_ACRO_Y_MAX, 120.0f); diff --git a/src/modules/mc_pos_control/mc_pos_control_main.cpp b/src/modules/mc_pos_control/mc_pos_control_main.cpp index 7c625a0c5..09960d106 100644 --- a/src/modules/mc_pos_control/mc_pos_control_main.cpp +++ b/src/modules/mc_pos_control/mc_pos_control_main.cpp @@ -226,7 +226,7 @@ private: /** * Main sensor collection task. */ - void task_main() __attribute__((noreturn)); + void task_main(); }; namespace pos_control @@ -617,7 +617,7 @@ MulticopterPositionControl::task_main() reset_alt_sp(); /* move altitude setpoint with throttle stick */ - sp_move_rate(2) = -scale_control(_manual.throttle - 0.5f, 0.5f, alt_ctl_dz); + sp_move_rate(2) = -scale_control(_manual.z - 0.5f, 0.5f, alt_ctl_dz); } if (_control_mode.flag_control_position_enabled) { @@ -625,8 +625,8 @@ MulticopterPositionControl::task_main() reset_pos_sp(); /* move position setpoint with roll/pitch stick */ - sp_move_rate(0) = _manual.pitch; - sp_move_rate(1) = _manual.roll; + sp_move_rate(0) = _manual.x; + sp_move_rate(1) = _manual.y; } /* limit setpoint move rate */ @@ -782,7 +782,7 @@ MulticopterPositionControl::task_main() float i = _params.thr_min; if (reset_int_z_manual) { - i = _manual.throttle; + i = _manual.z; if (i < _params.thr_min) { i = _params.thr_min; @@ -1062,7 +1062,7 @@ MulticopterPositionControl::start() _control_task = task_spawn_cmd("mc_pos_control", SCHED_DEFAULT, SCHED_PRIORITY_MAX - 5, - 2048, + 2000, (main_t)&MulticopterPositionControl::task_main_trampoline, nullptr); diff --git a/src/modules/mc_pos_control/mc_pos_control_params.c b/src/modules/mc_pos_control/mc_pos_control_params.c index 104df4e59..05ab5769b 100644 --- a/src/modules/mc_pos_control/mc_pos_control_params.c +++ b/src/modules/mc_pos_control/mc_pos_control_params.c @@ -35,6 +35,8 @@ /** * @file mc_pos_control_params.c * Multicopter position controller parameters. + * + * @author Anton Babushkin <anton.babushkin@me.com> */ #include <systemlib/param/param.h> @@ -98,7 +100,7 @@ PARAM_DEFINE_FLOAT(MPC_Z_VEL_D, 0.0f); /** * Maximum vertical velocity * - * Maximum vertical velocity in AUTO mode and endpoint for stabilized modes (SEATBELT, EASY). + * Maximum vertical velocity in AUTO mode and endpoint for stabilized modes (ALTCTRL, POSCTRL). * * @unit m/s * @min 0.0 @@ -109,7 +111,7 @@ PARAM_DEFINE_FLOAT(MPC_Z_VEL_MAX, 5.0f); /** * Vertical velocity feed forward * - * Feed forward weight for altitude control in stabilized modes (SEATBELT, EASY). 0 will give slow responce and no overshot, 1 - fast responce and big overshot. + * Feed forward weight for altitude control in stabilized modes (ALTCTRL, POSCTRL). 0 will give slow responce and no overshot, 1 - fast responce and big overshot. * * @min 0.0 * @max 1.0 @@ -154,7 +156,7 @@ PARAM_DEFINE_FLOAT(MPC_XY_VEL_D, 0.01f); /** * Maximum horizontal velocity * - * Maximum horizontal velocity in AUTO mode and endpoint for position stabilized mode (EASY). + * Maximum horizontal velocity in AUTO mode and endpoint for position stabilized mode (POSCTRL). * * @unit m/s * @min 0.0 @@ -165,7 +167,7 @@ PARAM_DEFINE_FLOAT(MPC_XY_VEL_MAX, 5.0f); /** * Horizontal velocity feed forward * - * Feed forward weight for position control in position control mode (EASY). 0 will give slow responce and no overshot, 1 - fast responce and big overshot. + * Feed forward weight for position control in position control mode (POSCTRL). 0 will give slow responce and no overshot, 1 - fast responce and big overshot. * * @min 0.0 * @max 1.0 @@ -176,7 +178,7 @@ PARAM_DEFINE_FLOAT(MPC_XY_FF, 0.5f); /** * Maximum tilt angle in air * - * Limits maximum tilt in AUTO and EASY modes during flight. + * Limits maximum tilt in AUTO and POSCTRL modes during flight. * * @unit deg * @min 0.0 diff --git a/src/modules/navigator/geofence.cpp b/src/modules/navigator/geofence.cpp index f452a85f7..bc8dbca50 100644 --- a/src/modules/navigator/geofence.cpp +++ b/src/modules/navigator/geofence.cpp @@ -1,8 +1,6 @@ /**************************************************************************** * * Copyright (c) 2013 PX4 Development Team. All rights reserved. - * Author: @author Jean Cyr <jean.m.cyr@gmail.com> - * @author Thomas Gubler <thomasgubler@gmail.com> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -35,6 +33,9 @@ /** * @file geofence.cpp * Provides functions for handling the geofence + * + * @author Jean Cyr <jean.m.cyr@gmail.com> + * @author Thomas Gubler <thomasgubler@gmail.com> */ #include "geofence.h" diff --git a/src/modules/navigator/geofence.h b/src/modules/navigator/geofence.h index 9628b7271..2eb126ab5 100644 --- a/src/modules/navigator/geofence.h +++ b/src/modules/navigator/geofence.h @@ -1,8 +1,6 @@ /**************************************************************************** * * Copyright (c) 2013 PX4 Development Team. All rights reserved. - * Author: @author Jean Cyr <jean.m.cyr@gmail.com> - * @author Thomas Gubler <thomasgubler@gmail.com> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -35,6 +33,9 @@ /** * @file geofence.h * Provides functions for handling the geofence + * + * @author Jean Cyr <jean.m.cyr@gmail.com> + * @author Thomas Gubler <thomasgubler@gmail.com> */ #ifndef GEOFENCE_H_ diff --git a/src/modules/navigator/geofence_params.c b/src/modules/navigator/geofence_params.c index 5831a0ca9..653b1ad84 100644 --- a/src/modules/navigator/geofence_params.c +++ b/src/modules/navigator/geofence_params.c @@ -1,7 +1,6 @@ /**************************************************************************** * * Copyright (c) 2013 PX4 Development Team. All rights reserved. - * Author: Lorenz Meier <lm@inf.ethz.ch> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions diff --git a/src/modules/navigator/mission_feasibility_checker.cpp b/src/modules/navigator/mission_feasibility_checker.cpp index eaafa217d..e1a6854b2 100644 --- a/src/modules/navigator/mission_feasibility_checker.cpp +++ b/src/modules/navigator/mission_feasibility_checker.cpp @@ -1,8 +1,6 @@ /**************************************************************************** * * Copyright (c) 2013 PX4 Development Team. All rights reserved. - * Author: @author Lorenz Meier <lm@inf.ethz.ch> - * @author Thomas Gubler <thomasgubler@student.ethz.ch> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -35,6 +33,9 @@ /** * @file mission_feasibility_checker.cpp * Provides checks if mission is feasible given the navigation capabilities + * + * @author Lorenz Meier <lm@inf.ethz.ch> + * @author Thomas Gubler <thomasgubler@student.ethz.ch> */ #include "mission_feasibility_checker.h" @@ -62,7 +63,7 @@ MissionFeasibilityChecker::MissionFeasibilityChecker() : _mavlink_fd(-1), _capab } -bool MissionFeasibilityChecker::checkMissionFeasible(bool isRotarywing, dm_item_t dm_current, size_t nMissionItems, Geofence &geofence) +bool MissionFeasibilityChecker::checkMissionFeasible(bool isRotarywing, dm_item_t dm_current, size_t nMissionItems, Geofence &geofence, float home_alt) { /* Init if not done yet */ init(); @@ -75,24 +76,24 @@ bool MissionFeasibilityChecker::checkMissionFeasible(bool isRotarywing, dm_item_ if (isRotarywing) - return checkMissionFeasibleRotarywing(dm_current, nMissionItems, geofence); + return checkMissionFeasibleRotarywing(dm_current, nMissionItems, geofence, home_alt); else - return checkMissionFeasibleFixedwing(dm_current, nMissionItems, geofence); + return checkMissionFeasibleFixedwing(dm_current, nMissionItems, geofence, home_alt); } -bool MissionFeasibilityChecker::checkMissionFeasibleRotarywing(dm_item_t dm_current, size_t nMissionItems, Geofence &geofence) +bool MissionFeasibilityChecker::checkMissionFeasibleRotarywing(dm_item_t dm_current, size_t nMissionItems, Geofence &geofence, float home_alt) { - return checkGeofence(dm_current, nMissionItems, geofence); + return (checkGeofence(dm_current, nMissionItems, geofence) && checkHomePositionAltitude(dm_current, nMissionItems, home_alt)); } -bool MissionFeasibilityChecker::checkMissionFeasibleFixedwing(dm_item_t dm_current, size_t nMissionItems, Geofence &geofence) +bool MissionFeasibilityChecker::checkMissionFeasibleFixedwing(dm_item_t dm_current, size_t nMissionItems, Geofence &geofence, float home_alt) { /* Update fixed wing navigation capabilites */ updateNavigationCapabilities(); // warnx("_nav_caps.landing_slope_angle_rad %.4f, _nav_caps.landing_horizontal_slope_displacement %.4f", _nav_caps.landing_slope_angle_rad, _nav_caps.landing_horizontal_slope_displacement); - return (checkFixedWingLanding(dm_current, nMissionItems) && checkGeofence(dm_current, nMissionItems, geofence)); + return (checkFixedWingLanding(dm_current, nMissionItems) && checkGeofence(dm_current, nMissionItems, geofence) && checkHomePositionAltitude(dm_current, nMissionItems, home_alt)); } bool MissionFeasibilityChecker::checkGeofence(dm_item_t dm_current, size_t nMissionItems, Geofence &geofence) @@ -100,15 +101,15 @@ bool MissionFeasibilityChecker::checkGeofence(dm_item_t dm_current, size_t nMiss /* Check if all mission items are inside the geofence (if we have a valid geofence) */ if (geofence.valid()) { for (size_t i = 0; i < nMissionItems; i++) { - static struct mission_item_s missionitem; - const ssize_t len = sizeof(struct mission_item_s); + struct mission_item_s missionitem; + const ssize_t len = sizeof(missionitem); if (dm_read(dm_current, i, &missionitem, len) != len) { /* not supposed to happen unless the datamanager can't access the SD card, etc. */ return false; } - if (!geofence.inside(missionitem.lat, missionitem.lon, missionitem.altitude)) { //xxx: handle relative altitude + if (!geofence.inside(missionitem.lat, missionitem.lon, missionitem.altitude)) { mavlink_log_info(_mavlink_fd, "#audio: Geofence violation waypoint %d", i); return false; } @@ -118,6 +119,36 @@ bool MissionFeasibilityChecker::checkGeofence(dm_item_t dm_current, size_t nMiss return true; } +bool MissionFeasibilityChecker::checkHomePositionAltitude(dm_item_t dm_current, size_t nMissionItems, float home_alt, bool throw_error) +{ + /* Check if all all waypoints are above the home altitude, only return false if bool throw_error = true */ + for (size_t i = 0; i < nMissionItems; i++) { + static struct mission_item_s missionitem; + const ssize_t len = sizeof(struct mission_item_s); + + if (dm_read(dm_current, i, &missionitem, len) != len) { + /* not supposed to happen unless the datamanager can't access the SD card, etc. */ + if (throw_error) { + return false; + } else { + return true; + } + } + + if (home_alt > missionitem.altitude) { + if (throw_error) { + mavlink_log_info(_mavlink_fd, "Waypoint %d below home", i); + return false; + } else { + mavlink_log_info(_mavlink_fd, "#audio: warning waypoint %d below home", i); + return true; + } + } + } + + return true; +} + bool MissionFeasibilityChecker::checkFixedWingLanding(dm_item_t dm_current, size_t nMissionItems) { /* Go through all mission items and search for a landing waypoint @@ -125,8 +156,8 @@ bool MissionFeasibilityChecker::checkFixedWingLanding(dm_item_t dm_current, size for (size_t i = 0; i < nMissionItems; i++) { - static struct mission_item_s missionitem; - const ssize_t len = sizeof(struct mission_item_s); + struct mission_item_s missionitem; + const ssize_t len = sizeof(missionitem); if (dm_read(dm_current, i, &missionitem, len) != len) { /* not supposed to happen unless the datamanager can't access the SD card, etc. */ return false; diff --git a/src/modules/navigator/mission_feasibility_checker.h b/src/modules/navigator/mission_feasibility_checker.h index 7a0b2a296..96c9209d3 100644 --- a/src/modules/navigator/mission_feasibility_checker.h +++ b/src/modules/navigator/mission_feasibility_checker.h @@ -1,8 +1,6 @@ /**************************************************************************** * * Copyright (c) 2013 PX4 Development Team. All rights reserved. - * Author: @author Lorenz Meier <lm@inf.ethz.ch> - * @author Thomas Gubler <thomasgubler@student.ethz.ch> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -35,7 +33,11 @@ /** * @file mission_feasibility_checker.h * Provides checks if mission is feasible given the navigation capabilities + * + * @author Lorenz Meier <lm@inf.ethz.ch> + * @author Thomas Gubler <thomasgubler@student.ethz.ch> */ + #ifndef MISSION_FEASIBILITY_CHECKER_H_ #define MISSION_FEASIBILITY_CHECKER_H_ @@ -59,14 +61,15 @@ private: /* Checks for all airframes */ bool checkGeofence(dm_item_t dm_current, size_t nMissionItems, Geofence &geofence); + bool checkHomePositionAltitude(dm_item_t dm_current, size_t nMissionItems, float home_alt, bool throw_error = false); /* Checks specific to fixedwing airframes */ - bool checkMissionFeasibleFixedwing(dm_item_t dm_current, size_t nMissionItems, Geofence &geofence); + bool checkMissionFeasibleFixedwing(dm_item_t dm_current, size_t nMissionItems, Geofence &geofence, float home_alt); bool checkFixedWingLanding(dm_item_t dm_current, size_t nMissionItems); void updateNavigationCapabilities(); /* Checks specific to rotarywing airframes */ - bool checkMissionFeasibleRotarywing(dm_item_t dm_current, size_t nMissionItems, Geofence &geofence); + bool checkMissionFeasibleRotarywing(dm_item_t dm_current, size_t nMissionItems, Geofence &geofence, float home_alt); public: MissionFeasibilityChecker(); @@ -75,7 +78,7 @@ public: /* * Returns true if mission is feasible and false otherwise */ - bool checkMissionFeasible(bool isRotarywing, dm_item_t dm_current, size_t nMissionItems, Geofence &geofence); + bool checkMissionFeasible(bool isRotarywing, dm_item_t dm_current, size_t nMissionItems, Geofence &geofence, float home_alt); }; diff --git a/src/modules/navigator/module.mk b/src/modules/navigator/module.mk index 55f8a4caa..6ea9dec2b 100644 --- a/src/modules/navigator/module.mk +++ b/src/modules/navigator/module.mk @@ -45,3 +45,5 @@ SRCS = navigator_main.cpp \ geofence_params.c INCLUDE_DIRS += $(MAVLINK_SRC)/include/mavlink + +MODULE_STACKSIZE = 1200 diff --git a/src/modules/navigator/navigator_main.cpp b/src/modules/navigator/navigator_main.cpp index 12fd35a0a..401d50f7e 100644 --- a/src/modules/navigator/navigator_main.cpp +++ b/src/modules/navigator/navigator_main.cpp @@ -1,10 +1,6 @@ /**************************************************************************** * * Copyright (c) 2013, 2014 PX4 Development Team. All rights reserved. - * Author: @author Lorenz Meier <lm@inf.ethz.ch> - * @author Jean Cyr <jean.m.cyr@gmail.com> - * @author Julian Oes <joes@student.ethz.ch> - * @author Anton Babushkin <anton.babushkin@me.com> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -35,7 +31,7 @@ * ****************************************************************************/ /** - * @file navigator_main.c + * @file navigator_main.cpp * Implementation of the main navigation state machine. * * Handles missions, geo fencing and failsafe navigation behavior. @@ -523,7 +519,7 @@ Navigator::offboard_mission_update(bool isrotaryWing) dm_current = DM_KEY_WAYPOINTS_OFFBOARD_1; } - missionFeasiblityChecker.checkMissionFeasible(isrotaryWing, dm_current, (size_t)offboard_mission.count, _geofence); + missionFeasiblityChecker.checkMissionFeasible(isrotaryWing, dm_current, (size_t)offboard_mission.count, _geofence, _home_pos.alt); _mission.set_offboard_dataman_id(offboard_mission.dataman_id); @@ -852,7 +848,7 @@ Navigator::start() _navigator_task = task_spawn_cmd("navigator", SCHED_DEFAULT, SCHED_PRIORITY_MAX - 5, - 2048, + 2000, (main_t)&Navigator::task_main_trampoline, nullptr); @@ -1291,7 +1287,7 @@ Navigator::set_rtl_item() _mission_item.yaw = NAN; _mission_item.loiter_radius = _parameters.loiter_radius; _mission_item.loiter_direction = 1; - _mission_item.nav_cmd = NAV_CMD_TAKEOFF; + _mission_item.nav_cmd = NAV_CMD_WAYPOINT; _mission_item.acceptance_radius = _parameters.acceptance_radius; _mission_item.time_inside = 0.0f; _mission_item.pitch_min = 0.0f; @@ -1351,7 +1347,7 @@ Navigator::set_rtl_item() _mission_item.yaw = NAN; _mission_item.loiter_radius = _parameters.loiter_radius; _mission_item.loiter_direction = 1; - _mission_item.nav_cmd = NAV_CMD_WAYPOINT; + _mission_item.nav_cmd = NAV_CMD_LOITER_TIME_LIMIT; _mission_item.acceptance_radius = _parameters.acceptance_radius; _mission_item.time_inside = _parameters.rtl_land_delay < 0.0f ? 0.0f : _parameters.rtl_land_delay; _mission_item.pitch_min = 0.0f; diff --git a/src/modules/navigator/navigator_mission.cpp b/src/modules/navigator/navigator_mission.cpp index 72dddebfe..49fc62785 100644 --- a/src/modules/navigator/navigator_mission.cpp +++ b/src/modules/navigator/navigator_mission.cpp @@ -1,7 +1,6 @@ /**************************************************************************** * * Copyright (c) 2013 PX4 Development Team. All rights reserved. - * Author: @author Julian Oes <joes@student.ethz.ch> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -34,6 +33,8 @@ /** * @file navigator_mission.cpp * Helper class to access missions + * + * @author Julian Oes <joes@student.ethz.ch> */ #include <string.h> diff --git a/src/modules/navigator/navigator_mission.h b/src/modules/navigator/navigator_mission.h index 2bd4da82e..b0f88e016 100644 --- a/src/modules/navigator/navigator_mission.h +++ b/src/modules/navigator/navigator_mission.h @@ -1,7 +1,6 @@ /**************************************************************************** * * Copyright (c) 2013 PX4 Development Team. All rights reserved. - * Author: @author Julian Oes <joes@student.ethz.ch> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -34,6 +33,8 @@ /** * @file navigator_mission.h * Helper class to access missions + * + * @author Julian Oes <joes@student.ethz.ch> */ #ifndef NAVIGATOR_MISSION_H diff --git a/src/modules/navigator/navigator_params.c b/src/modules/navigator/navigator_params.c index 9ef359c6d..5139283b6 100644 --- a/src/modules/navigator/navigator_params.c +++ b/src/modules/navigator/navigator_params.c @@ -1,9 +1,6 @@ /**************************************************************************** * * Copyright (c) 2013 PX4 Development Team. All rights reserved. - * Author: @author Lorenz Meier <lm@inf.ethz.ch> - * @author Julian Oes <joes@student.ethz.ch> - * @author Anton Babushkin <anton.babushkin@me.com> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions diff --git a/src/modules/navigator/navigator_state.h b/src/modules/navigator/navigator_state.h index 6a1475c9b..476f93414 100644 --- a/src/modules/navigator/navigator_state.h +++ b/src/modules/navigator/navigator_state.h @@ -1,8 +1,42 @@ -/* - * navigator_state.h +/**************************************************************************** * - * Created on: 27.01.2014 - * Author: ton + * Copyright (c) 2013 PX4 Development Team. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name PX4 nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/** + * @file navigator_state.h + * + * Navigator state + * + * @author Anton Babushkin <anton.babushkin@me.com> */ #ifndef NAVIGATOR_STATE_H_ diff --git a/src/modules/position_estimator/module.mk b/src/modules/position_estimator/module.mk deleted file mode 100644 index f64095d9d..000000000 --- a/src/modules/position_estimator/module.mk +++ /dev/null @@ -1,44 +0,0 @@ -############################################################################ -# -# Copyright (c) 2012, 2013 PX4 Development Team. All rights reserved. -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions -# are met: -# -# 1. Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# 2. Redistributions in binary form must reproduce the above copyright -# notice, this list of conditions and the following disclaimer in -# the documentation and/or other materials provided with the -# distribution. -# 3. Neither the name PX4 nor the names of its contributors may be -# used to endorse or promote products derived from this software -# without specific prior written permission. -# -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS -# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE -# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, -# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, -# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS -# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED -# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN -# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -# POSSIBILITY OF SUCH DAMAGE. -# -############################################################################ - -# -# Makefile to build the position estimator -# - -MODULE_COMMAND = position_estimator - -# XXX this should be converted to a deamon, its a pretty bad example app -MODULE_PRIORITY = SCHED_PRIORITY_DEFAULT -MODULE_STACKSIZE = 4096 - -SRCS = position_estimator_main.c diff --git a/src/modules/position_estimator/position_estimator_main.c b/src/modules/position_estimator/position_estimator_main.c deleted file mode 100644 index e84945299..000000000 --- a/src/modules/position_estimator/position_estimator_main.c +++ /dev/null @@ -1,423 +0,0 @@ -/**************************************************************************** - * - * Copyright (C) 2008-2012 PX4 Development Team. All rights reserved. - * Author: Tobias Naegeli <naegelit@student.ethz.ch> - * Thomas Gubler <thomasgubler@student.ethz.ch> - * Julian Oes <joes@student.ethz.ch> - * Lorenz Meier <lm@inf.ethz.ch> - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name PX4 nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/** - * @file position_estimator_main.c - * Model-identification based position estimator for multirotors - */ - -#include <nuttx/config.h> -#include <unistd.h> -#include <stdlib.h> -#include <stdio.h> -#include <stdbool.h> -#include <fcntl.h> -#include <float.h> -#include <nuttx/sched.h> -#include <sys/prctl.h> -#include <termios.h> -#include <errno.h> -#include <limits.h> -#include <math.h> -#include <uORB/uORB.h> -#include <uORB/topics/vehicle_status.h> -#include <uORB/topics/vehicle_attitude.h> -#include <uORB/topics/vehicle_gps_position.h> -#include <uORB/topics/vehicle_global_position.h> -#include <uORB/topics/vehicle_local_position.h> -#include <poll.h> - -#define N_STATES 6 -#define ERROR_COVARIANCE_INIT 3 -#define R_EARTH 6371000.0 - -#define PROJECTION_INITIALIZE_COUNTER_LIMIT 5000 -#define REPROJECTION_COUNTER_LIMIT 125 - -__EXPORT int position_estimator_main(int argc, char *argv[]); - -static uint16_t position_estimator_counter_position_information; - -/* values for map projection */ -static double phi_1; -static double sin_phi_1; -static double cos_phi_1; -static double lambda_0; -static double scale; - -/** - * Initializes the map transformation. - * - * Initializes the transformation between the geographic coordinate system and the azimuthal equidistant plane - * @param lat in degrees (47.1234567°, not 471234567°) - * @param lon in degrees (8.1234567°, not 81234567°) - */ -static void map_projection_init(double lat_0, double lon_0) //lat_0, lon_0 are expected to be in correct format: -> 47.1234567 and not 471234567 -{ - /* notation and formulas according to: http://mathworld.wolfram.com/AzimuthalEquidistantProjection.html */ - phi_1 = lat_0 / 180.0 * M_PI; - lambda_0 = lon_0 / 180.0 * M_PI; - - sin_phi_1 = sin(phi_1); - cos_phi_1 = cos(phi_1); - - /* calculate local scale by using the relation of true distance and the distance on plane */ //TODO: this is a quick solution, there are probably easier ways to determine the scale - - /* 1) calculate true distance d on sphere to a point: http://www.movable-type.co.uk/scripts/latlong.html */ - const double r_earth = 6371000; - - double lat1 = phi_1; - double lon1 = lambda_0; - - double lat2 = phi_1 + 0.5 / 180 * M_PI; - double lon2 = lambda_0 + 0.5 / 180 * M_PI; - double sin_lat_2 = sin(lat2); - double cos_lat_2 = cos(lat2); - double d = acos(sin(lat1) * sin_lat_2 + cos(lat1) * cos_lat_2 * cos(lon2 - lon1)) * r_earth; - - /* 2) calculate distance rho on plane */ - double k_bar = 0; - double c = acos(sin_phi_1 * sin_lat_2 + cos_phi_1 * cos_lat_2 * cos(lon2 - lambda_0)); - - if (0 != c) - k_bar = c / sin(c); - - double x2 = k_bar * (cos_lat_2 * sin(lon2 - lambda_0)); //Projection of point 2 on plane - double y2 = k_bar * ((cos_phi_1 * sin_lat_2 - sin_phi_1 * cos_lat_2 * cos(lon2 - lambda_0))); - double rho = sqrt(pow(x2, 2) + pow(y2, 2)); - - scale = d / rho; - -} - -/** - * Transforms a point in the geographic coordinate system to the local azimuthal equidistant plane - * @param x north - * @param y east - * @param lat in degrees (47.1234567°, not 471234567°) - * @param lon in degrees (8.1234567°, not 81234567°) - */ -static void map_projection_project(double lat, double lon, float *x, float *y) -{ - /* notation and formulas accoring to: http://mathworld.wolfram.com/AzimuthalEquidistantProjection.html */ - double phi = lat / 180.0 * M_PI; - double lambda = lon / 180.0 * M_PI; - - double sin_phi = sin(phi); - double cos_phi = cos(phi); - - double k_bar = 0; - /* using small angle approximation (formula in comment is without aproximation) */ - double c = acos(sin_phi_1 * sin_phi + cos_phi_1 * cos_phi * (1 - pow((lambda - lambda_0), 2) / 2)); //double c = acos( sin_phi_1 * sin_phi + cos_phi_1 * cos_phi * cos(lambda - lambda_0) ); - - if (0 != c) - k_bar = c / sin(c); - - /* using small angle approximation (formula in comment is without aproximation) */ - *y = k_bar * (cos_phi * (lambda - lambda_0)) * scale;//*y = k_bar * (cos_phi * sin(lambda - lambda_0)) * scale; - *x = k_bar * ((cos_phi_1 * sin_phi - sin_phi_1 * cos_phi * (1 - pow((lambda - lambda_0), 2) / 2))) * scale; // *x = k_bar * ((cos_phi_1 * sin_phi - sin_phi_1 * cos_phi * cos(lambda - lambda_0))) * scale; - -// printf("%phi_1=%.10f, lambda_0 =%.10f\n", phi_1, lambda_0); -} - -/** - * Transforms a point in the local azimuthal equidistant plane to the geographic coordinate system - * - * @param x north - * @param y east - * @param lat in degrees (47.1234567°, not 471234567°) - * @param lon in degrees (8.1234567°, not 81234567°) - */ -static void map_projection_reproject(float x, float y, double *lat, double *lon) -{ - /* notation and formulas accoring to: http://mathworld.wolfram.com/AzimuthalEquidistantProjection.html */ - - double x_descaled = x / scale; - double y_descaled = y / scale; - - double c = sqrt(pow(x_descaled, 2) + pow(y_descaled, 2)); - double sin_c = sin(c); - double cos_c = cos(c); - - double lat_sphere = 0; - - if (c != 0) - lat_sphere = asin(cos_c * sin_phi_1 + (x_descaled * sin_c * cos_phi_1) / c); - else - lat_sphere = asin(cos_c * sin_phi_1); - -// printf("lat_sphere = %.10f\n",lat_sphere); - - double lon_sphere = 0; - - if (phi_1 == M_PI / 2) { - //using small angle approximation (formula in comment is without aproximation) - lon_sphere = (lambda_0 - y_descaled / x_descaled); //lon_sphere = (lambda_0 + atan2(-y_descaled, x_descaled)); - - } else if (phi_1 == -M_PI / 2) { - //using small angle approximation (formula in comment is without aproximation) - lon_sphere = (lambda_0 + y_descaled / x_descaled); //lon_sphere = (lambda_0 + atan2(y_descaled, x_descaled)); - - } else { - - lon_sphere = (lambda_0 + atan2(y_descaled * sin_c , c * cos_phi_1 * cos_c - x_descaled * sin_phi_1 * sin_c)); - //using small angle approximation -// double denominator = (c * cos_phi_1 * cos_c - x_descaled * sin_phi_1 * sin_c); -// if(denominator != 0) -// { -// lon_sphere = (lambda_0 + (y_descaled * sin_c) / denominator); -// } -// else -// { -// ... -// } - } - -// printf("lon_sphere = %.10f\n",lon_sphere); - - *lat = lat_sphere * 180.0 / M_PI; - *lon = lon_sphere * 180.0 / M_PI; - -} - -/**************************************************************************** - * main - ****************************************************************************/ - -int position_estimator_main(int argc, char *argv[]) -{ - - /* welcome user */ - printf("[multirotor position_estimator] started\n"); - - /* initialize values */ - static float u[2] = {0, 0}; - static float z[3] = {0, 0, 0}; - static float xapo[N_STATES] = {0, 0, 0, 0, 0, 0}; - static float Papo[N_STATES * N_STATES] = {ERROR_COVARIANCE_INIT, 0, 0, 0, 0, 0, - ERROR_COVARIANCE_INIT, 0, 0, 0, 0, 0, - ERROR_COVARIANCE_INIT, 0, 0, 0, 0, 0, - ERROR_COVARIANCE_INIT, 0, 0, 0, 0, 0, - ERROR_COVARIANCE_INIT, 0, 0, 0, 0, 0, - ERROR_COVARIANCE_INIT, 0, 0, 0, 0, 0 - }; - - static float xapo1[N_STATES]; - static float Papo1[36]; - - static float gps_covariance[3] = {0.0f, 0.0f, 0.0f}; - - static uint16_t counter = 0; - position_estimator_counter_position_information = 0; - - uint8_t predict_only = 1; - - bool gps_valid = false; - - bool new_initialization = true; - - static double lat_current = 0.0d;//[°]] --> 47.0 - static double lon_current = 0.0d; //[°]] -->8.5 - float alt_current = 0.0f; - - - //TODO: handle flight without gps but with estimator - - /* subscribe to vehicle status, attitude, gps */ - struct vehicle_gps_position_s gps; - gps.fix_type = 0; - struct vehicle_status_s vstatus; - struct vehicle_attitude_s att; - - int vehicle_gps_sub = orb_subscribe(ORB_ID(vehicle_gps_position)); - int vehicle_status_sub = orb_subscribe(ORB_ID(vehicle_status)); - - /* subscribe to attitude at 100 Hz */ - int vehicle_attitude_sub = orb_subscribe(ORB_ID(vehicle_attitude)); - - /* wait until gps signal turns valid, only then can we initialize the projection */ - while (gps.fix_type < 3) { - struct pollfd fds[1] = { {.fd = vehicle_gps_sub, .events = POLLIN} }; - - /* wait for GPS updates, BUT READ VEHICLE STATUS (!) - * this choice is critical, since the vehicle status might not - * actually change, if this app is started after GPS lock was - * aquired. - */ - if (poll(fds, 1, 5000)) { - /* Wait for the GPS update to propagate (we have some time) */ - usleep(5000); - /* Read wether the vehicle status changed */ - orb_copy(ORB_ID(vehicle_gps_position), vehicle_gps_sub, &gps); - gps_valid = (gps.fix_type > 2); - } - } - - /* get gps value for first initialization */ - orb_copy(ORB_ID(vehicle_gps_position), vehicle_gps_sub, &gps); - lat_current = ((double)(gps.lat)) * 1e-7; - lon_current = ((double)(gps.lon)) * 1e-7; - alt_current = gps.alt * 1e-3; - - /* initialize coordinates */ - map_projection_init(lat_current, lon_current); - - /* publish global position messages only after first GPS message */ - struct vehicle_local_position_s local_pos = { - .x = 0, - .y = 0, - .z = 0 - }; - orb_advert_t local_pos_pub = orb_advertise(ORB_ID(vehicle_local_position), &local_pos); - - printf("[multirotor position estimator] initialized projection with: lat: %.10f, lon:%.10f\n", lat_current, lon_current); - - while (1) { - - /*This runs at the rate of the sensors, if we have also a new gps update this is used in the position_estimator function */ - struct pollfd fds[1] = { {.fd = vehicle_attitude_sub, .events = POLLIN} }; - - if (poll(fds, 1, 5000) <= 0) { - /* error / timeout */ - } else { - - orb_copy(ORB_ID(vehicle_attitude), vehicle_attitude_sub, &att); - /* got attitude, updating pos as well */ - orb_copy(ORB_ID(vehicle_gps_position), vehicle_gps_sub, &gps); - orb_copy(ORB_ID(vehicle_status), vehicle_status_sub, &vstatus); - - /*copy attitude */ - u[0] = att.roll; - u[1] = att.pitch; - - /* initialize map projection with the last estimate (not at full rate) */ - if (gps.fix_type > 2) { - /* Project gps lat lon (Geographic coordinate system) to plane*/ - map_projection_project(((double)(gps.lat)) * 1e-7, ((double)(gps.lon)) * 1e-7, &(z[0]), &(z[1])); - - local_pos.x = z[0]; - local_pos.y = z[1]; - /* negative offset from initialization altitude */ - local_pos.z = alt_current - (gps.alt) * 1e-3; - - - orb_publish(ORB_ID(vehicle_local_position), local_pos_pub, &local_pos); - } - - - // gps_covariance[0] = gps.eph; //TODO: needs scaling - // gps_covariance[1] = gps.eph; - // gps_covariance[2] = gps.epv; - - // } else { - // /* we can not use the gps signal (it is of low quality) */ - // predict_only = 1; - // } - - // // predict_only = 0; //TODO: only for testing, removeme, XXX - // // z[0] = sinf(((float)counter)/180.0f*3.14159265f); //TODO: only for testing, removeme, XXX - // // usleep(100000); //TODO: only for testing, removeme, XXX - - - // /*Get new estimation (this is calculated in the plane) */ - // //TODO: if new_initialization == true: use 0,0,0, else use xapo - // if (true == new_initialization) { //TODO,XXX: uncomment! - // xapo[0] = 0; //we have a new plane initialization. the current estimate is in the center of the plane - // xapo[2] = 0; - // xapo[4] = 0; - // position_estimator(u, z, xapo, Papo, gps_covariance, predict_only, xapo1, Papo1); - - // } else { - // position_estimator(u, z, xapo, Papo, gps_covariance, predict_only, xapo1, Papo1); - // } - - - - // /* Copy values from xapo1 to xapo */ - // int i; - - // for (i = 0; i < N_STATES; i++) { - // xapo[i] = xapo1[i]; - // } - - // if ((counter % REPROJECTION_COUNTER_LIMIT == 0) || (counter % (PROJECTION_INITIALIZE_COUNTER_LIMIT - 1) == 0)) { - // /* Reproject from plane to geographic coordinate system */ - // // map_projection_reproject(xapo1[0], xapo1[2], map_scale, phi_1, lambda_0, &lat_current, &lon_current) //TODO,XXX: uncomment! - // map_projection_reproject(z[0], z[1], &lat_current, &lon_current); //do not use estimator for projection testing, removeme - // // //DEBUG - // // if(counter%500 == 0) - // // { - // // printf("phi_1: %.10f\n", phi_1); - // // printf("lambda_0: %.10f\n", lambda_0); - // // printf("lat_estimated: %.10f\n", lat_current); - // // printf("lon_estimated: %.10f\n", lon_current); - // // printf("z[0]=%.10f, z[1]=%.10f, z[2]=%f\n", z[0], z[1], z[2]); - // // fflush(stdout); - // // - // // } - - // // if(!isnan(lat_current) && !isnan(lon_current))// && !isnan(xapo1[4]) && !isnan(xapo1[1]) && !isnan(xapo1[3]) && !isnan(xapo1[5])) - // // { - // /* send out */ - - // global_pos.lat = lat_current; - // global_pos.lon = lon_current; - // global_pos.alt = xapo1[4]; - // global_pos.vx = xapo1[1]; - // global_pos.vy = xapo1[3]; - // global_pos.vz = xapo1[5]; - - /* publish current estimate */ - // orb_publish(ORB_ID(vehicle_global_position), global_pos_pub, &global_pos); - // } - // else - // { - // printf("[position estimator] ERROR: nan values, lat_current=%.4f, lon_current=%.4f, z[0]=%.4f z[1]=%.4f\n", lat_current, lon_current, z[0], z[1]); - // fflush(stdout); - // } - - // } - - counter++; - } - - } - - return 0; -} - - diff --git a/src/modules/position_estimator_inav/inertial_filter.c b/src/modules/position_estimator_inav/inertial_filter.c index 2f1b3c014..a36a4688d 100644 --- a/src/modules/position_estimator_inav/inertial_filter.c +++ b/src/modules/position_estimator_inav/inertial_filter.c @@ -9,15 +9,18 @@ #include "inertial_filter.h" -void inertial_filter_predict(float dt, float x[3]) +void inertial_filter_predict(float dt, float x[2], float acc) { if (isfinite(dt)) { - x[0] += x[1] * dt + x[2] * dt * dt / 2.0f; - x[1] += x[2] * dt; + if (!isfinite(acc)) { + acc = 0.0f; + } + x[0] += x[1] * dt + acc * dt * dt / 2.0f; + x[1] += acc * dt; } } -void inertial_filter_correct(float e, float dt, float x[3], int i, float w) +void inertial_filter_correct(float e, float dt, float x[2], int i, float w) { if (isfinite(e) && isfinite(w) && isfinite(dt)) { float ewdt = e * w * dt; @@ -25,10 +28,6 @@ void inertial_filter_correct(float e, float dt, float x[3], int i, float w) if (i == 0) { x[1] += w * ewdt; - x[2] += w * w * ewdt / 3.0; - - } else if (i == 1) { - x[2] += w * ewdt; } } } diff --git a/src/modules/position_estimator_inav/inertial_filter.h b/src/modules/position_estimator_inav/inertial_filter.h index 761c17097..cdeb4cfc6 100644 --- a/src/modules/position_estimator_inav/inertial_filter.h +++ b/src/modules/position_estimator_inav/inertial_filter.h @@ -8,6 +8,6 @@ #include <stdbool.h> #include <drivers/drv_hrt.h> -void inertial_filter_predict(float dt, float x[3]); +void inertial_filter_predict(float dt, float x[3], float acc); void inertial_filter_correct(float e, float dt, float x[3], int i, float w); diff --git a/src/modules/position_estimator_inav/module.mk b/src/modules/position_estimator_inav/module.mk index 939d76849..0658d3f09 100644 --- a/src/modules/position_estimator_inav/module.mk +++ b/src/modules/position_estimator_inav/module.mk @@ -39,3 +39,5 @@ MODULE_COMMAND = position_estimator_inav SRCS = position_estimator_inav_main.c \ position_estimator_inav_params.c \ inertial_filter.c + +MODULE_STACKSIZE = 1200 diff --git a/src/modules/position_estimator_inav/position_estimator_inav_main.c b/src/modules/position_estimator_inav/position_estimator_inav_main.c index 368424853..d7503e42d 100644 --- a/src/modules/position_estimator_inav/position_estimator_inav_main.c +++ b/src/modules/position_estimator_inav/position_estimator_inav_main.c @@ -135,7 +135,7 @@ int position_estimator_inav_main(int argc, char *argv[]) thread_should_exit = false; position_estimator_inav_task = task_spawn_cmd("position_estimator_inav", - SCHED_RR, SCHED_PRIORITY_MAX - 5, 4096, + SCHED_DEFAULT, SCHED_PRIORITY_MAX - 5, 4000, position_estimator_inav_thread_main, (argv) ? (const char **) &argv[2] : (const char **) NULL); exit(0); @@ -168,15 +168,15 @@ int position_estimator_inav_main(int argc, char *argv[]) exit(1); } -void write_debug_log(const char *msg, float dt, float x_est[3], float y_est[3], float z_est[3], float x_est_prev[3], float y_est_prev[3], float z_est_prev[3], float corr_acc[3], float corr_gps[3][2], float w_xy_gps_p, float w_xy_gps_v) +void write_debug_log(const char *msg, float dt, float x_est[2], float y_est[2], float z_est[2], float x_est_prev[2], float y_est_prev[2], float z_est_prev[2], float acc[3], float corr_gps[3][2], float w_xy_gps_p, float w_xy_gps_v) { FILE *f = fopen("/fs/microsd/inav.log", "a"); if (f) { char *s = malloc(256); - unsigned n = snprintf(s, 256, "%llu %s\n\tdt=%.5f x_est=[%.5f %.5f %.5f] y_est=[%.5f %.5f %.5f] z_est=[%.5f %.5f %.5f] x_est_prev=[%.5f %.5f %.5f] y_est_prev=[%.5f %.5f %.5f] z_est_prev=[%.5f %.5f %.5f]\n", hrt_absolute_time(), msg, dt, x_est[0], x_est[1], x_est[2], y_est[0], y_est[1], y_est[2], z_est[0], z_est[1], z_est[2], x_est_prev[0], x_est_prev[1], x_est_prev[2], y_est_prev[0], y_est_prev[1], y_est_prev[2], z_est_prev[0], z_est_prev[1], z_est_prev[2]); + unsigned n = snprintf(s, 256, "%llu %s\n\tdt=%.5f x_est=[%.5f %.5f] y_est=[%.5f %.5f] z_est=[%.5f %.5f] x_est_prev=[%.5f %.5f] y_est_prev=[%.5f %.5f] z_est_prev=[%.5f %.5f]\n", hrt_absolute_time(), msg, dt, x_est[0], x_est[1], y_est[0], y_est[1], z_est[0], z_est[1], x_est_prev[0], x_est_prev[1], y_est_prev[0], y_est_prev[1], z_est_prev[0], z_est_prev[1]); fwrite(s, 1, n, f); - n = snprintf(s, 256, "\tacc_corr=[%.5f %.5f %.5f] gps_pos_corr=[%.5f %.5f %.5f] gps_vel_corr=[%.5f %.5f %.5f] w_xy_gps_p=%.5f w_xy_gps_v=%.5f\n", corr_acc[0], corr_acc[1], corr_acc[2], corr_gps[0][0], corr_gps[1][0], corr_gps[2][0], corr_gps[0][1], corr_gps[1][1], corr_gps[2][1], w_xy_gps_p, w_xy_gps_v); + n = snprintf(s, 256, "\tacc=[%.5f %.5f %.5f] gps_pos_corr=[%.5f %.5f %.5f] gps_vel_corr=[%.5f %.5f %.5f] w_xy_gps_p=%.5f w_xy_gps_v=%.5f\n", acc[0], acc[1], acc[2], corr_gps[0][0], corr_gps[1][0], corr_gps[2][0], corr_gps[0][1], corr_gps[1][1], corr_gps[2][1], w_xy_gps_p, w_xy_gps_v); fwrite(s, 1, n, f); free(s); } @@ -195,11 +195,14 @@ int position_estimator_inav_thread_main(int argc, char *argv[]) mavlink_fd = open(MAVLINK_LOG_DEVICE, 0); mavlink_log_info(mavlink_fd, "[inav] started"); - float x_est[3] = { 0.0f, 0.0f, 0.0f }; - float y_est[3] = { 0.0f, 0.0f, 0.0f }; - float z_est[3] = { 0.0f, 0.0f, 0.0f }; + float x_est[2] = { 0.0f, 0.0f }; // pos, vel + float y_est[2] = { 0.0f, 0.0f }; // pos, vel + float z_est[2] = { 0.0f, 0.0f }; // pos, vel - float x_est_prev[3], y_est_prev[3], z_est_prev[3]; + float eph = 1.0; + float epv = 1.0; + + float x_est_prev[2], y_est_prev[2], z_est_prev[2]; memset(x_est_prev, 0, sizeof(x_est_prev)); memset(y_est_prev, 0, sizeof(y_est_prev)); memset(z_est_prev, 0, sizeof(z_est_prev)); @@ -238,7 +241,7 @@ int position_estimator_inav_thread_main(int argc, char *argv[]) float accel_NED[3] = { 0.0f, 0.0f, -CONSTANTS_ONE_G }; /* store error when sensor updates, but correct on each time step to avoid jumps in estimated value */ - float corr_acc[] = { 0.0f, 0.0f, 0.0f }; // N E D + float acc[] = { 0.0f, 0.0f, 0.0f }; // N E D float acc_bias[] = { 0.0f, 0.0f, 0.0f }; // body frame float corr_baro = 0.0f; // D float corr_gps[3][2] = { @@ -338,8 +341,10 @@ int position_estimator_inav_thread_main(int argc, char *argv[]) /* mean calculation over several measurements */ if (baro_init_cnt < baro_init_num) { - baro_offset += sensor.baro_alt_meter; - baro_init_cnt++; + if (isfinite(sensor.baro_alt_meter)) { + baro_offset += sensor.baro_alt_meter; + baro_init_cnt++; + } } else { wait_baro = false; @@ -415,19 +420,17 @@ int position_estimator_inav_thread_main(int argc, char *argv[]) /* transform acceleration vector from body frame to NED frame */ for (int i = 0; i < 3; i++) { - accel_NED[i] = 0.0f; + acc[i] = 0.0f; for (int j = 0; j < 3; j++) { - accel_NED[i] += att.R[i][j] * sensor.accelerometer_m_s2[j]; + acc[i] += att.R[i][j] * sensor.accelerometer_m_s2[j]; } } - corr_acc[0] = accel_NED[0] - x_est[2]; - corr_acc[1] = accel_NED[1] - y_est[2]; - corr_acc[2] = accel_NED[2] + CONSTANTS_ONE_G - z_est[2]; + acc[2] += CONSTANTS_ONE_G; } else { - memset(corr_acc, 0, sizeof(corr_acc)); + memset(acc, 0, sizeof(acc)); } accel_timestamp = sensor.accelerometer_timestamp; @@ -535,6 +538,8 @@ int position_estimator_inav_thread_main(int argc, char *argv[]) flow_valid = true; + eph = fminf(eph, 0.1 / att.R[2][2] / flow_q * fmaxf(1.0f, flow_dist)); // under ideal conditions, on 1m distance assume EPH = 10cm + } else { w_flow = 0.0f; flow_valid = false; @@ -623,11 +628,9 @@ int position_estimator_inav_thread_main(int argc, char *argv[]) /* set position estimate to (0, 0, 0), use GPS velocity for XY */ x_est[0] = 0.0f; x_est[1] = gps.vel_n_m_s; - x_est[2] = accel_NED[0]; y_est[0] = 0.0f; y_est[1] = gps.vel_e_m_s; z_est[0] = 0.0f; - y_est[2] = accel_NED[1]; local_pos.ref_lat = lat; local_pos.ref_lon = lon; @@ -650,10 +653,8 @@ int position_estimator_inav_thread_main(int argc, char *argv[]) if (reset_est) { x_est[0] = gps_proj[0]; x_est[1] = gps.vel_n_m_s; - x_est[2] = accel_NED[0]; y_est[0] = gps_proj[1]; y_est[1] = gps.vel_e_m_s; - y_est[2] = accel_NED[1]; } /* calculate correction for position */ @@ -673,6 +674,9 @@ int position_estimator_inav_thread_main(int argc, char *argv[]) corr_gps[2][1] = 0.0f; } + eph = fminf(eph, gps.eph_m); + epv = fminf(epv, gps.epv_m); + w_gps_xy = min_eph_epv / fmaxf(min_eph_epv, gps.eph_m); w_gps_z = min_eph_epv / fmaxf(min_eph_epv, gps.epv_m); } @@ -712,6 +716,10 @@ int position_estimator_inav_thread_main(int argc, char *argv[]) dt = fmaxf(fminf(0.02, dt), 0.002); // constrain dt from 2 to 20 ms t_prev = t; + /* increase EPH/EPV on each step */ + eph *= 1.0 + dt; + epv += 0.005 * dt; // add 1m to EPV each 200s (baro drift) + /* use GPS if it's valid and reference position initialized */ bool use_gps_xy = ref_inited && gps_valid && params.w_xy_gps_p > MIN_VALID_W; bool use_gps_z = ref_inited && gps_valid && params.w_z_gps_p > MIN_VALID_W; @@ -723,7 +731,7 @@ int position_estimator_inav_thread_main(int argc, char *argv[]) xy_src_time = t; } - bool can_estimate_xy = (t < xy_src_time + xy_src_timeout); + bool can_estimate_xy = eph < max_eph_epv * 1.5; bool dist_bottom_valid = (t < sonar_valid_time + sonar_valid_timeout); @@ -784,26 +792,26 @@ int position_estimator_inav_thread_main(int argc, char *argv[]) c += att.R[j][i] * accel_bias_corr[j]; } - acc_bias[i] += c * params.w_acc_bias * dt; + if (isfinite(c)) { + acc_bias[i] += c * params.w_acc_bias * dt; + } } /* inertial filter prediction for altitude */ - inertial_filter_predict(dt, z_est); + inertial_filter_predict(dt, z_est, acc[2]); - if (!(isfinite(z_est[0]) && isfinite(z_est[1]) && isfinite(z_est[2]))) { - write_debug_log("BAD ESTIMATE AFTER Z PREDICTION", dt, x_est, y_est, z_est, x_est_prev, y_est_prev, z_est_prev, corr_acc, corr_gps, w_xy_gps_p, w_xy_gps_v); + if (!(isfinite(z_est[0]) && isfinite(z_est[1]))) { + write_debug_log("BAD ESTIMATE AFTER Z PREDICTION", dt, x_est, y_est, z_est, x_est_prev, y_est_prev, z_est_prev, acc, corr_gps, w_xy_gps_p, w_xy_gps_v); memcpy(z_est, z_est_prev, sizeof(z_est)); } /* inertial filter correction for altitude */ inertial_filter_correct(corr_baro, dt, z_est, 0, params.w_z_baro); inertial_filter_correct(corr_gps[2][0], dt, z_est, 0, w_z_gps_p); - inertial_filter_correct(corr_acc[2], dt, z_est, 2, params.w_z_acc); - if (!(isfinite(z_est[0]) && isfinite(z_est[1]) && isfinite(z_est[2]))) { - write_debug_log("BAD ESTIMATE AFTER Z CORRECTION", dt, x_est, y_est, z_est, x_est_prev, y_est_prev, z_est_prev, corr_acc, corr_gps, w_xy_gps_p, w_xy_gps_v); + if (!(isfinite(z_est[0]) && isfinite(z_est[1]))) { + write_debug_log("BAD ESTIMATE AFTER Z CORRECTION", dt, x_est, y_est, z_est, x_est_prev, y_est_prev, z_est_prev, acc, corr_gps, w_xy_gps_p, w_xy_gps_v); memcpy(z_est, z_est_prev, sizeof(z_est)); - memset(corr_acc, 0, sizeof(corr_acc)); memset(corr_gps, 0, sizeof(corr_gps)); corr_baro = 0; @@ -813,19 +821,16 @@ int position_estimator_inav_thread_main(int argc, char *argv[]) if (can_estimate_xy) { /* inertial filter prediction for position */ - inertial_filter_predict(dt, x_est); - inertial_filter_predict(dt, y_est); + inertial_filter_predict(dt, x_est, acc[0]); + inertial_filter_predict(dt, y_est, acc[1]); - if (!(isfinite(x_est[0]) && isfinite(x_est[1]) && isfinite(x_est[2]) && isfinite(y_est[0]) && isfinite(y_est[1]) && isfinite(y_est[2]))) { - write_debug_log("BAD ESTIMATE AFTER PREDICTION", dt, x_est, y_est, z_est, x_est_prev, y_est_prev, z_est_prev, corr_acc, corr_gps, w_xy_gps_p, w_xy_gps_v); + if (!(isfinite(x_est[0]) && isfinite(x_est[1]) && isfinite(y_est[0]) && isfinite(y_est[1]))) { + write_debug_log("BAD ESTIMATE AFTER PREDICTION", dt, x_est, y_est, z_est, x_est_prev, y_est_prev, z_est_prev, acc, corr_gps, w_xy_gps_p, w_xy_gps_v); memcpy(x_est, x_est_prev, sizeof(x_est)); memcpy(y_est, y_est_prev, sizeof(y_est)); } /* inertial filter correction for position */ - inertial_filter_correct(corr_acc[0], dt, x_est, 2, params.w_xy_acc); - inertial_filter_correct(corr_acc[1], dt, y_est, 2, params.w_xy_acc); - if (use_flow) { inertial_filter_correct(corr_flow[0], dt, x_est, 1, params.w_xy_flow * w_flow); inertial_filter_correct(corr_flow[1], dt, y_est, 1, params.w_xy_flow * w_flow); @@ -841,11 +846,10 @@ int position_estimator_inav_thread_main(int argc, char *argv[]) } } - if (!(isfinite(x_est[0]) && isfinite(x_est[1]) && isfinite(x_est[2]) && isfinite(y_est[0]) && isfinite(y_est[1]) && isfinite(y_est[2]))) { - write_debug_log("BAD ESTIMATE AFTER CORRECTION", dt, x_est, y_est, z_est, x_est_prev, y_est_prev, z_est_prev, corr_acc, corr_gps, w_xy_gps_p, w_xy_gps_v); + if (!(isfinite(x_est[0]) && isfinite(x_est[1]) && isfinite(y_est[0]) && isfinite(y_est[1]))) { + write_debug_log("BAD ESTIMATE AFTER CORRECTION", dt, x_est, y_est, z_est, x_est_prev, y_est_prev, z_est_prev, acc, corr_gps, w_xy_gps_p, w_xy_gps_v); memcpy(x_est, x_est_prev, sizeof(x_est)); memcpy(y_est, y_est_prev, sizeof(y_est)); - memset(corr_acc, 0, sizeof(corr_acc)); memset(corr_gps, 0, sizeof(corr_gps)); memset(corr_flow, 0, sizeof(corr_flow)); @@ -922,6 +926,8 @@ int position_estimator_inav_thread_main(int argc, char *argv[]) local_pos.landed = landed; local_pos.yaw = att.yaw; local_pos.dist_bottom_valid = dist_bottom_valid; + local_pos.eph = eph; + local_pos.epv = epv; if (local_pos.dist_bottom_valid) { local_pos.dist_bottom = -z_est[0] - surface_offset; @@ -950,9 +956,8 @@ int position_estimator_inav_thread_main(int argc, char *argv[]) global_pos.yaw = local_pos.yaw; - // TODO implement dead-reckoning - global_pos.eph = gps.eph_m; - global_pos.epv = gps.epv_m; + global_pos.eph = eph; + global_pos.epv = epv; if (vehicle_global_position_pub < 0) { vehicle_global_position_pub = orb_advertise(ORB_ID(vehicle_global_position), &global_pos); diff --git a/src/modules/position_estimator_inav/position_estimator_inav_params.c b/src/modules/position_estimator_inav/position_estimator_inav_params.c index 2e4f26661..8aa08b6f2 100644 --- a/src/modules/position_estimator_inav/position_estimator_inav_params.c +++ b/src/modules/position_estimator_inav/position_estimator_inav_params.c @@ -42,11 +42,9 @@ PARAM_DEFINE_FLOAT(INAV_W_Z_BARO, 0.5f); PARAM_DEFINE_FLOAT(INAV_W_Z_GPS_P, 0.005f); -PARAM_DEFINE_FLOAT(INAV_W_Z_ACC, 20.0f); PARAM_DEFINE_FLOAT(INAV_W_Z_SONAR, 3.0f); PARAM_DEFINE_FLOAT(INAV_W_XY_GPS_P, 1.0f); PARAM_DEFINE_FLOAT(INAV_W_XY_GPS_V, 2.0f); -PARAM_DEFINE_FLOAT(INAV_W_XY_ACC, 20.0f); PARAM_DEFINE_FLOAT(INAV_W_XY_FLOW, 5.0f); PARAM_DEFINE_FLOAT(INAV_W_GPS_FLOW, 0.1f); PARAM_DEFINE_FLOAT(INAV_W_ACC_BIAS, 0.05f); @@ -62,11 +60,9 @@ int parameters_init(struct position_estimator_inav_param_handles *h) { h->w_z_baro = param_find("INAV_W_Z_BARO"); h->w_z_gps_p = param_find("INAV_W_Z_GPS_P"); - h->w_z_acc = param_find("INAV_W_Z_ACC"); h->w_z_sonar = param_find("INAV_W_Z_SONAR"); h->w_xy_gps_p = param_find("INAV_W_XY_GPS_P"); h->w_xy_gps_v = param_find("INAV_W_XY_GPS_V"); - h->w_xy_acc = param_find("INAV_W_XY_ACC"); h->w_xy_flow = param_find("INAV_W_XY_FLOW"); h->w_gps_flow = param_find("INAV_W_GPS_FLOW"); h->w_acc_bias = param_find("INAV_W_ACC_BIAS"); @@ -85,11 +81,9 @@ int parameters_update(const struct position_estimator_inav_param_handles *h, str { param_get(h->w_z_baro, &(p->w_z_baro)); param_get(h->w_z_gps_p, &(p->w_z_gps_p)); - param_get(h->w_z_acc, &(p->w_z_acc)); param_get(h->w_z_sonar, &(p->w_z_sonar)); param_get(h->w_xy_gps_p, &(p->w_xy_gps_p)); param_get(h->w_xy_gps_v, &(p->w_xy_gps_v)); - param_get(h->w_xy_acc, &(p->w_xy_acc)); param_get(h->w_xy_flow, &(p->w_xy_flow)); param_get(h->w_gps_flow, &(p->w_gps_flow)); param_get(h->w_acc_bias, &(p->w_acc_bias)); diff --git a/src/modules/position_estimator_inav/position_estimator_inav_params.h b/src/modules/position_estimator_inav/position_estimator_inav_params.h index e2be079d3..08ec996a1 100644 --- a/src/modules/position_estimator_inav/position_estimator_inav_params.h +++ b/src/modules/position_estimator_inav/position_estimator_inav_params.h @@ -43,11 +43,9 @@ struct position_estimator_inav_params { float w_z_baro; float w_z_gps_p; - float w_z_acc; float w_z_sonar; float w_xy_gps_p; float w_xy_gps_v; - float w_xy_acc; float w_xy_flow; float w_gps_flow; float w_acc_bias; @@ -63,11 +61,9 @@ struct position_estimator_inav_params { struct position_estimator_inav_param_handles { param_t w_z_baro; param_t w_z_gps_p; - param_t w_z_acc; param_t w_z_sonar; param_t w_xy_gps_p; param_t w_xy_gps_v; - param_t w_xy_acc; param_t w_xy_flow; param_t w_gps_flow; param_t w_acc_bias; diff --git a/src/modules/position_estimator_mc/codegen/kalman_dlqe1.c b/src/modules/position_estimator_mc/codegen/kalman_dlqe1.c deleted file mode 100755 index 977565b8e..000000000 --- a/src/modules/position_estimator_mc/codegen/kalman_dlqe1.c +++ /dev/null @@ -1,58 +0,0 @@ -/* - * kalman_dlqe1.c - * - * Code generation for function 'kalman_dlqe1' - * - * C source code generated on: Wed Feb 13 20:34:32 2013 - * - */ - -/* Include files */ -#include "rt_nonfinite.h" -#include "kalman_dlqe1.h" - -/* Type Definitions */ - -/* Named Constants */ - -/* Variable Declarations */ - -/* Variable Definitions */ - -/* Function Declarations */ - -/* Function Definitions */ -void kalman_dlqe1(const real32_T A[9], const real32_T C[3], const real32_T K[3], - const real32_T x_aposteriori_k[3], real32_T z, real32_T - x_aposteriori[3]) -{ - printf("[dlqe input]: x_aposteriori_k %12.8f\t %12.8f\t %12.8f\t z:%12.8f\n", (double)(x_aposteriori_k[0]), (double)(x_aposteriori_k[1]), (double)(x_aposteriori_k[2]), (double)z); - printf("[dlqe input]: C[0]: %12.8f\tC[1] %12.8f\tC[2] %12.8f\n", (double)(C[0]), (double)(C[1]), (double)(C[2])); - real32_T y; - int32_T i0; - real32_T b_y[3]; - int32_T i1; - real32_T f0; - y = 0.0F; - for (i0 = 0; i0 < 3; i0++) { - b_y[i0] = 0.0F; - for (i1 = 0; i1 < 3; i1++) { - b_y[i0] += C[i1] * A[i1 + 3 * i0]; - } - - y += b_y[i0] * x_aposteriori_k[i0]; - } - - y = z - y; - for (i0 = 0; i0 < 3; i0++) { - f0 = 0.0F; - for (i1 = 0; i1 < 3; i1++) { - f0 += A[i0 + 3 * i1] * x_aposteriori_k[i1]; - } - - x_aposteriori[i0] = f0 + K[i0] * y; - } - //printf("[dlqe output]: x_aposteriori %12.8f\t %12.8f\t %12.8f\n", (double)(x_aposteriori[0]), (double)(x_aposteriori[1]), (double)(x_aposteriori[2])); -} - -/* End of code generation (kalman_dlqe1.c) */ diff --git a/src/modules/position_estimator_mc/codegen/kalman_dlqe1.h b/src/modules/position_estimator_mc/codegen/kalman_dlqe1.h deleted file mode 100755 index 2f5330563..000000000 --- a/src/modules/position_estimator_mc/codegen/kalman_dlqe1.h +++ /dev/null @@ -1,30 +0,0 @@ -/* - * kalman_dlqe1.h - * - * Code generation for function 'kalman_dlqe1' - * - * C source code generated on: Wed Feb 13 20:34:32 2013 - * - */ - -#ifndef __KALMAN_DLQE1_H__ -#define __KALMAN_DLQE1_H__ -/* Include files */ -#include <stddef.h> -#include <stdlib.h> - -#include "rtwtypes.h" -#include "kalman_dlqe1_types.h" - -/* Type Definitions */ - -/* Named Constants */ - -/* Variable Declarations */ - -/* Variable Definitions */ - -/* Function Declarations */ -extern void kalman_dlqe1(const real32_T A[9], const real32_T C[3], const real32_T K[3], const real32_T x_aposteriori_k[3], real32_T z, real32_T x_aposteriori[3]); -#endif -/* End of code generation (kalman_dlqe1.h) */ diff --git a/src/modules/position_estimator_mc/codegen/kalman_dlqe1_initialize.c b/src/modules/position_estimator_mc/codegen/kalman_dlqe1_initialize.c deleted file mode 100755 index 6627f76e9..000000000 --- a/src/modules/position_estimator_mc/codegen/kalman_dlqe1_initialize.c +++ /dev/null @@ -1,31 +0,0 @@ -/* - * kalman_dlqe1_initialize.c - * - * Code generation for function 'kalman_dlqe1_initialize' - * - * C source code generated on: Wed Feb 13 20:34:31 2013 - * - */ - -/* Include files */ -#include "rt_nonfinite.h" -#include "kalman_dlqe1.h" -#include "kalman_dlqe1_initialize.h" - -/* Type Definitions */ - -/* Named Constants */ - -/* Variable Declarations */ - -/* Variable Definitions */ - -/* Function Declarations */ - -/* Function Definitions */ -void kalman_dlqe1_initialize(void) -{ - rt_InitInfAndNaN(8U); -} - -/* End of code generation (kalman_dlqe1_initialize.c) */ diff --git a/src/modules/position_estimator_mc/codegen/kalman_dlqe1_initialize.h b/src/modules/position_estimator_mc/codegen/kalman_dlqe1_initialize.h deleted file mode 100755 index a77eb5712..000000000 --- a/src/modules/position_estimator_mc/codegen/kalman_dlqe1_initialize.h +++ /dev/null @@ -1,30 +0,0 @@ -/* - * kalman_dlqe1_initialize.h - * - * Code generation for function 'kalman_dlqe1_initialize' - * - * C source code generated on: Wed Feb 13 20:34:31 2013 - * - */ - -#ifndef __KALMAN_DLQE1_INITIALIZE_H__ -#define __KALMAN_DLQE1_INITIALIZE_H__ -/* Include files */ -#include <stddef.h> -#include <stdlib.h> - -#include "rtwtypes.h" -#include "kalman_dlqe1_types.h" - -/* Type Definitions */ - -/* Named Constants */ - -/* Variable Declarations */ - -/* Variable Definitions */ - -/* Function Declarations */ -extern void kalman_dlqe1_initialize(void); -#endif -/* End of code generation (kalman_dlqe1_initialize.h) */ diff --git a/src/modules/position_estimator_mc/codegen/kalman_dlqe1_terminate.c b/src/modules/position_estimator_mc/codegen/kalman_dlqe1_terminate.c deleted file mode 100755 index a65536f79..000000000 --- a/src/modules/position_estimator_mc/codegen/kalman_dlqe1_terminate.c +++ /dev/null @@ -1,31 +0,0 @@ -/* - * kalman_dlqe1_terminate.c - * - * Code generation for function 'kalman_dlqe1_terminate' - * - * C source code generated on: Wed Feb 13 20:34:31 2013 - * - */ - -/* Include files */ -#include "rt_nonfinite.h" -#include "kalman_dlqe1.h" -#include "kalman_dlqe1_terminate.h" - -/* Type Definitions */ - -/* Named Constants */ - -/* Variable Declarations */ - -/* Variable Definitions */ - -/* Function Declarations */ - -/* Function Definitions */ -void kalman_dlqe1_terminate(void) -{ - /* (no terminate code required) */ -} - -/* End of code generation (kalman_dlqe1_terminate.c) */ diff --git a/src/modules/position_estimator_mc/codegen/kalman_dlqe1_terminate.h b/src/modules/position_estimator_mc/codegen/kalman_dlqe1_terminate.h deleted file mode 100755 index 100c7f76c..000000000 --- a/src/modules/position_estimator_mc/codegen/kalman_dlqe1_terminate.h +++ /dev/null @@ -1,30 +0,0 @@ -/* - * kalman_dlqe1_terminate.h - * - * Code generation for function 'kalman_dlqe1_terminate' - * - * C source code generated on: Wed Feb 13 20:34:32 2013 - * - */ - -#ifndef __KALMAN_DLQE1_TERMINATE_H__ -#define __KALMAN_DLQE1_TERMINATE_H__ -/* Include files */ -#include <stddef.h> -#include <stdlib.h> - -#include "rtwtypes.h" -#include "kalman_dlqe1_types.h" - -/* Type Definitions */ - -/* Named Constants */ - -/* Variable Declarations */ - -/* Variable Definitions */ - -/* Function Declarations */ -extern void kalman_dlqe1_terminate(void); -#endif -/* End of code generation (kalman_dlqe1_terminate.h) */ diff --git a/src/modules/position_estimator_mc/codegen/kalman_dlqe1_types.h b/src/modules/position_estimator_mc/codegen/kalman_dlqe1_types.h deleted file mode 100755 index d4b2c2d61..000000000 --- a/src/modules/position_estimator_mc/codegen/kalman_dlqe1_types.h +++ /dev/null @@ -1,16 +0,0 @@ -/* - * kalman_dlqe1_types.h - * - * Code generation for function 'kalman_dlqe1' - * - * C source code generated on: Wed Feb 13 20:34:31 2013 - * - */ - -#ifndef __KALMAN_DLQE1_TYPES_H__ -#define __KALMAN_DLQE1_TYPES_H__ - -/* Type Definitions */ - -#endif -/* End of code generation (kalman_dlqe1_types.h) */ diff --git a/src/modules/position_estimator_mc/codegen/kalman_dlqe2.c b/src/modules/position_estimator_mc/codegen/kalman_dlqe2.c deleted file mode 100755 index 11b999064..000000000 --- a/src/modules/position_estimator_mc/codegen/kalman_dlqe2.c +++ /dev/null @@ -1,119 +0,0 @@ -/* - * kalman_dlqe2.c - * - * Code generation for function 'kalman_dlqe2' - * - * C source code generated on: Thu Feb 14 12:52:28 2013 - * - */ - -/* Include files */ -#include "rt_nonfinite.h" -#include "kalman_dlqe2.h" - -/* Type Definitions */ - -/* Named Constants */ - -/* Variable Declarations */ - -/* Variable Definitions */ - -/* Function Declarations */ -static real32_T rt_powf_snf(real32_T u0, real32_T u1); - -/* Function Definitions */ -static real32_T rt_powf_snf(real32_T u0, real32_T u1) -{ - real32_T y; - real32_T f1; - real32_T f2; - if (rtIsNaNF(u0) || rtIsNaNF(u1)) { - y = ((real32_T)rtNaN); - } else { - f1 = (real32_T)fabs(u0); - f2 = (real32_T)fabs(u1); - if (rtIsInfF(u1)) { - if (f1 == 1.0F) { - y = ((real32_T)rtNaN); - } else if (f1 > 1.0F) { - if (u1 > 0.0F) { - y = ((real32_T)rtInf); - } else { - y = 0.0F; - } - } else if (u1 > 0.0F) { - y = 0.0F; - } else { - y = ((real32_T)rtInf); - } - } else if (f2 == 0.0F) { - y = 1.0F; - } else if (f2 == 1.0F) { - if (u1 > 0.0F) { - y = u0; - } else { - y = 1.0F / u0; - } - } else if (u1 == 2.0F) { - y = u0 * u0; - } else if ((u1 == 0.5F) && (u0 >= 0.0F)) { - y = (real32_T)sqrt(u0); - } else if ((u0 < 0.0F) && (u1 > (real32_T)floor(u1))) { - y = ((real32_T)rtNaN); - } else { - y = (real32_T)pow(u0, u1); - } - } - - return y; -} - -void kalman_dlqe2(real32_T dt, real32_T k1, real32_T k2, real32_T k3, const - real32_T x_aposteriori_k[3], real32_T z, real32_T - x_aposteriori[3]) -{ - //printf("[dqle2] dt: %12.8f\tvk1 %12.8f\tk2: %12.8f\tk3: %12.8f\n", (double)(dt), (double)(k1), (double)(k2), (double)(k3)); - //printf("[dqle2] dt: %8.4f\n", (double)(dt));//, (double)(k1), (double)(k2), (double)(k3)); - real32_T A[9]; - real32_T y; - int32_T i0; - static const int8_T iv0[3] = { 0, 0, 1 }; - - real32_T b_k1[3]; - int32_T i1; - static const int8_T iv1[3] = { 1, 0, 0 }; - - real32_T f0; - A[0] = 1.0F; - A[3] = dt; - A[6] = 0.5F * rt_powf_snf(dt, 2.0F); - A[1] = 0.0F; - A[4] = 1.0F; - A[7] = dt; - y = 0.0F; - for (i0 = 0; i0 < 3; i0++) { - A[2 + 3 * i0] = (real32_T)iv0[i0]; - b_k1[i0] = 0.0F; - for (i1 = 0; i1 < 3; i1++) { - b_k1[i0] += (real32_T)iv1[i1] * A[i1 + 3 * i0]; - } - - y += b_k1[i0] * x_aposteriori_k[i0]; - } - - y = z - y; - b_k1[0] = k1; - b_k1[1] = k2; - b_k1[2] = k3; - for (i0 = 0; i0 < 3; i0++) { - f0 = 0.0F; - for (i1 = 0; i1 < 3; i1++) { - f0 += A[i0 + 3 * i1] * x_aposteriori_k[i1]; - } - - x_aposteriori[i0] = f0 + b_k1[i0] * y; - } -} - -/* End of code generation (kalman_dlqe2.c) */ diff --git a/src/modules/position_estimator_mc/codegen/kalman_dlqe2.h b/src/modules/position_estimator_mc/codegen/kalman_dlqe2.h deleted file mode 100755 index 30170ae22..000000000 --- a/src/modules/position_estimator_mc/codegen/kalman_dlqe2.h +++ /dev/null @@ -1,32 +0,0 @@ -/* - * kalman_dlqe2.h - * - * Code generation for function 'kalman_dlqe2' - * - * C source code generated on: Thu Feb 14 12:52:29 2013 - * - */ - -#ifndef __KALMAN_DLQE2_H__ -#define __KALMAN_DLQE2_H__ -/* Include files */ -#include <math.h> -#include <stddef.h> -#include <stdlib.h> -#include "rt_nonfinite.h" - -#include "rtwtypes.h" -#include "kalman_dlqe2_types.h" - -/* Type Definitions */ - -/* Named Constants */ - -/* Variable Declarations */ - -/* Variable Definitions */ - -/* Function Declarations */ -extern void kalman_dlqe2(real32_T dt, real32_T k1, real32_T k2, real32_T k3, const real32_T x_aposteriori_k[3], real32_T z, real32_T x_aposteriori[3]); -#endif -/* End of code generation (kalman_dlqe2.h) */ diff --git a/src/modules/position_estimator_mc/codegen/kalman_dlqe2_initialize.c b/src/modules/position_estimator_mc/codegen/kalman_dlqe2_initialize.c deleted file mode 100755 index de5a1d8aa..000000000 --- a/src/modules/position_estimator_mc/codegen/kalman_dlqe2_initialize.c +++ /dev/null @@ -1,31 +0,0 @@ -/* - * kalman_dlqe2_initialize.c - * - * Code generation for function 'kalman_dlqe2_initialize' - * - * C source code generated on: Thu Feb 14 12:52:28 2013 - * - */ - -/* Include files */ -#include "rt_nonfinite.h" -#include "kalman_dlqe2.h" -#include "kalman_dlqe2_initialize.h" - -/* Type Definitions */ - -/* Named Constants */ - -/* Variable Declarations */ - -/* Variable Definitions */ - -/* Function Declarations */ - -/* Function Definitions */ -void kalman_dlqe2_initialize(void) -{ - rt_InitInfAndNaN(8U); -} - -/* End of code generation (kalman_dlqe2_initialize.c) */ diff --git a/src/modules/position_estimator_mc/codegen/kalman_dlqe2_initialize.h b/src/modules/position_estimator_mc/codegen/kalman_dlqe2_initialize.h deleted file mode 100755 index 3d507ff31..000000000 --- a/src/modules/position_estimator_mc/codegen/kalman_dlqe2_initialize.h +++ /dev/null @@ -1,32 +0,0 @@ -/* - * kalman_dlqe2_initialize.h - * - * Code generation for function 'kalman_dlqe2_initialize' - * - * C source code generated on: Thu Feb 14 12:52:28 2013 - * - */ - -#ifndef __KALMAN_DLQE2_INITIALIZE_H__ -#define __KALMAN_DLQE2_INITIALIZE_H__ -/* Include files */ -#include <math.h> -#include <stddef.h> -#include <stdlib.h> -#include "rt_nonfinite.h" - -#include "rtwtypes.h" -#include "kalman_dlqe2_types.h" - -/* Type Definitions */ - -/* Named Constants */ - -/* Variable Declarations */ - -/* Variable Definitions */ - -/* Function Declarations */ -extern void kalman_dlqe2_initialize(void); -#endif -/* End of code generation (kalman_dlqe2_initialize.h) */ diff --git a/src/modules/position_estimator_mc/codegen/kalman_dlqe2_terminate.c b/src/modules/position_estimator_mc/codegen/kalman_dlqe2_terminate.c deleted file mode 100755 index 0757c878c..000000000 --- a/src/modules/position_estimator_mc/codegen/kalman_dlqe2_terminate.c +++ /dev/null @@ -1,31 +0,0 @@ -/* - * kalman_dlqe2_terminate.c - * - * Code generation for function 'kalman_dlqe2_terminate' - * - * C source code generated on: Thu Feb 14 12:52:28 2013 - * - */ - -/* Include files */ -#include "rt_nonfinite.h" -#include "kalman_dlqe2.h" -#include "kalman_dlqe2_terminate.h" - -/* Type Definitions */ - -/* Named Constants */ - -/* Variable Declarations */ - -/* Variable Definitions */ - -/* Function Declarations */ - -/* Function Definitions */ -void kalman_dlqe2_terminate(void) -{ - /* (no terminate code required) */ -} - -/* End of code generation (kalman_dlqe2_terminate.c) */ diff --git a/src/modules/position_estimator_mc/codegen/kalman_dlqe2_terminate.h b/src/modules/position_estimator_mc/codegen/kalman_dlqe2_terminate.h deleted file mode 100755 index 23995020b..000000000 --- a/src/modules/position_estimator_mc/codegen/kalman_dlqe2_terminate.h +++ /dev/null @@ -1,32 +0,0 @@ -/* - * kalman_dlqe2_terminate.h - * - * Code generation for function 'kalman_dlqe2_terminate' - * - * C source code generated on: Thu Feb 14 12:52:28 2013 - * - */ - -#ifndef __KALMAN_DLQE2_TERMINATE_H__ -#define __KALMAN_DLQE2_TERMINATE_H__ -/* Include files */ -#include <math.h> -#include <stddef.h> -#include <stdlib.h> -#include "rt_nonfinite.h" - -#include "rtwtypes.h" -#include "kalman_dlqe2_types.h" - -/* Type Definitions */ - -/* Named Constants */ - -/* Variable Declarations */ - -/* Variable Definitions */ - -/* Function Declarations */ -extern void kalman_dlqe2_terminate(void); -#endif -/* End of code generation (kalman_dlqe2_terminate.h) */ diff --git a/src/modules/position_estimator_mc/codegen/kalman_dlqe2_types.h b/src/modules/position_estimator_mc/codegen/kalman_dlqe2_types.h deleted file mode 100755 index f7a04d908..000000000 --- a/src/modules/position_estimator_mc/codegen/kalman_dlqe2_types.h +++ /dev/null @@ -1,16 +0,0 @@ -/* - * kalman_dlqe2_types.h - * - * Code generation for function 'kalman_dlqe2' - * - * C source code generated on: Thu Feb 14 12:52:28 2013 - * - */ - -#ifndef __KALMAN_DLQE2_TYPES_H__ -#define __KALMAN_DLQE2_TYPES_H__ - -/* Type Definitions */ - -#endif -/* End of code generation (kalman_dlqe2_types.h) */ diff --git a/src/modules/position_estimator_mc/codegen/kalman_dlqe3.c b/src/modules/position_estimator_mc/codegen/kalman_dlqe3.c deleted file mode 100755 index 9efe2ea7a..000000000 --- a/src/modules/position_estimator_mc/codegen/kalman_dlqe3.c +++ /dev/null @@ -1,137 +0,0 @@ -/*
- * kalman_dlqe3.c
- *
- * Code generation for function 'kalman_dlqe3'
- *
- * C source code generated on: Tue Feb 19 15:26:31 2013
- *
- */
-
-/* Include files */
-#include "rt_nonfinite.h"
-#include "kalman_dlqe3.h"
-#include "randn.h"
-
-/* Type Definitions */
-
-/* Named Constants */
-
-/* Variable Declarations */
-
-/* Variable Definitions */
-
-/* Function Declarations */
-static real32_T rt_powf_snf(real32_T u0, real32_T u1);
-
-/* Function Definitions */
-static real32_T rt_powf_snf(real32_T u0, real32_T u1)
-{
- real32_T y;
- real32_T f1;
- real32_T f2;
- if (rtIsNaNF(u0) || rtIsNaNF(u1)) {
- y = ((real32_T)rtNaN);
- } else {
- f1 = (real32_T)fabs(u0);
- f2 = (real32_T)fabs(u1);
- if (rtIsInfF(u1)) {
- if (f1 == 1.0F) {
- y = ((real32_T)rtNaN);
- } else if (f1 > 1.0F) {
- if (u1 > 0.0F) {
- y = ((real32_T)rtInf);
- } else {
- y = 0.0F;
- }
- } else if (u1 > 0.0F) {
- y = 0.0F;
- } else {
- y = ((real32_T)rtInf);
- }
- } else if (f2 == 0.0F) {
- y = 1.0F;
- } else if (f2 == 1.0F) {
- if (u1 > 0.0F) {
- y = u0;
- } else {
- y = 1.0F / u0;
- }
- } else if (u1 == 2.0F) {
- y = u0 * u0;
- } else if ((u1 == 0.5F) && (u0 >= 0.0F)) {
- y = (real32_T)sqrt(u0);
- } else if ((u0 < 0.0F) && (u1 > (real32_T)floor(u1))) {
- y = ((real32_T)rtNaN);
- } else {
- y = (real32_T)pow(u0, u1);
- }
- }
-
- return y;
-}
-
-void kalman_dlqe3(real32_T dt, real32_T k1, real32_T k2, real32_T k3, const
- real32_T x_aposteriori_k[3], real32_T z, real32_T posUpdate,
- real32_T addNoise, real32_T sigma, real32_T x_aposteriori[3])
-{
- real32_T A[9];
- int32_T i0;
- static const int8_T iv0[3] = { 0, 0, 1 };
-
- real_T b;
- real32_T y;
- real32_T b_y[3];
- int32_T i1;
- static const int8_T iv1[3] = { 1, 0, 0 };
-
- real32_T b_k1[3];
- real32_T f0;
- A[0] = 1.0F;
- A[3] = dt;
- A[6] = 0.5F * rt_powf_snf(dt, 2.0F);
- A[1] = 0.0F;
- A[4] = 1.0F;
- A[7] = dt;
- for (i0 = 0; i0 < 3; i0++) {
- A[2 + 3 * i0] = (real32_T)iv0[i0];
- }
-
- if (addNoise == 1.0F) {
- b = randn();
- z += sigma * (real32_T)b;
- }
-
- if (posUpdate != 0.0F) {
- y = 0.0F;
- for (i0 = 0; i0 < 3; i0++) {
- b_y[i0] = 0.0F;
- for (i1 = 0; i1 < 3; i1++) {
- b_y[i0] += (real32_T)iv1[i1] * A[i1 + 3 * i0];
- }
-
- y += b_y[i0] * x_aposteriori_k[i0];
- }
-
- y = z - y;
- b_k1[0] = k1;
- b_k1[1] = k2;
- b_k1[2] = k3;
- for (i0 = 0; i0 < 3; i0++) {
- f0 = 0.0F;
- for (i1 = 0; i1 < 3; i1++) {
- f0 += A[i0 + 3 * i1] * x_aposteriori_k[i1];
- }
-
- x_aposteriori[i0] = f0 + b_k1[i0] * y;
- }
- } else {
- for (i0 = 0; i0 < 3; i0++) {
- x_aposteriori[i0] = 0.0F;
- for (i1 = 0; i1 < 3; i1++) {
- x_aposteriori[i0] += A[i0 + 3 * i1] * x_aposteriori_k[i1];
- }
- }
- }
-}
-
-/* End of code generation (kalman_dlqe3.c) */
diff --git a/src/modules/position_estimator_mc/codegen/kalman_dlqe3.h b/src/modules/position_estimator_mc/codegen/kalman_dlqe3.h deleted file mode 100755 index 9bbffbbb3..000000000 --- a/src/modules/position_estimator_mc/codegen/kalman_dlqe3.h +++ /dev/null @@ -1,33 +0,0 @@ -/*
- * kalman_dlqe3.h
- *
- * Code generation for function 'kalman_dlqe3'
- *
- * C source code generated on: Tue Feb 19 15:26:32 2013
- *
- */
-
-#ifndef __KALMAN_DLQE3_H__
-#define __KALMAN_DLQE3_H__
-/* Include files */
-#include <math.h>
-#include <stddef.h>
-#include <stdlib.h>
-#include <string.h>
-#include "rt_nonfinite.h"
-
-#include "rtwtypes.h"
-#include "kalman_dlqe3_types.h"
-
-/* Type Definitions */
-
-/* Named Constants */
-
-/* Variable Declarations */
-
-/* Variable Definitions */
-
-/* Function Declarations */
-extern void kalman_dlqe3(real32_T dt, real32_T k1, real32_T k2, real32_T k3, const real32_T x_aposteriori_k[3], real32_T z, real32_T posUpdate, real32_T addNoise, real32_T sigma, real32_T x_aposteriori[3]);
-#endif
-/* End of code generation (kalman_dlqe3.h) */
diff --git a/src/modules/position_estimator_mc/codegen/kalman_dlqe3_data.c b/src/modules/position_estimator_mc/codegen/kalman_dlqe3_data.c deleted file mode 100755 index 8f2275c13..000000000 --- a/src/modules/position_estimator_mc/codegen/kalman_dlqe3_data.c +++ /dev/null @@ -1,32 +0,0 @@ -/*
- * kalman_dlqe3_data.c
- *
- * Code generation for function 'kalman_dlqe3_data'
- *
- * C source code generated on: Tue Feb 19 15:26:31 2013
- *
- */
-
-/* Include files */
-#include "rt_nonfinite.h"
-#include "kalman_dlqe3.h"
-#include "kalman_dlqe3_data.h"
-
-/* Type Definitions */
-
-/* Named Constants */
-
-/* Variable Declarations */
-
-/* Variable Definitions */
-uint32_T method;
-uint32_T state[2];
-uint32_T b_method;
-uint32_T b_state;
-uint32_T c_state[2];
-boolean_T state_not_empty;
-
-/* Function Declarations */
-
-/* Function Definitions */
-/* End of code generation (kalman_dlqe3_data.c) */
diff --git a/src/modules/position_estimator_mc/codegen/kalman_dlqe3_data.h b/src/modules/position_estimator_mc/codegen/kalman_dlqe3_data.h deleted file mode 100755 index 952eb7b89..000000000 --- a/src/modules/position_estimator_mc/codegen/kalman_dlqe3_data.h +++ /dev/null @@ -1,38 +0,0 @@ -/*
- * kalman_dlqe3_data.h
- *
- * Code generation for function 'kalman_dlqe3_data'
- *
- * C source code generated on: Tue Feb 19 15:26:31 2013
- *
- */
-
-#ifndef __KALMAN_DLQE3_DATA_H__
-#define __KALMAN_DLQE3_DATA_H__
-/* Include files */
-#include <math.h>
-#include <stddef.h>
-#include <stdlib.h>
-#include <string.h>
-#include "rt_nonfinite.h"
-
-#include "rtwtypes.h"
-#include "kalman_dlqe3_types.h"
-
-/* Type Definitions */
-
-/* Named Constants */
-
-/* Variable Declarations */
-extern uint32_T method;
-extern uint32_T state[2];
-extern uint32_T b_method;
-extern uint32_T b_state;
-extern uint32_T c_state[2];
-extern boolean_T state_not_empty;
-
-/* Variable Definitions */
-
-/* Function Declarations */
-#endif
-/* End of code generation (kalman_dlqe3_data.h) */
diff --git a/src/modules/position_estimator_mc/codegen/kalman_dlqe3_initialize.c b/src/modules/position_estimator_mc/codegen/kalman_dlqe3_initialize.c deleted file mode 100755 index b87d604c4..000000000 --- a/src/modules/position_estimator_mc/codegen/kalman_dlqe3_initialize.c +++ /dev/null @@ -1,47 +0,0 @@ -/*
- * kalman_dlqe3_initialize.c
- *
- * Code generation for function 'kalman_dlqe3_initialize'
- *
- * C source code generated on: Tue Feb 19 15:26:31 2013
- *
- */
-
-/* Include files */
-#include "rt_nonfinite.h"
-#include "kalman_dlqe3.h"
-#include "kalman_dlqe3_initialize.h"
-#include "kalman_dlqe3_data.h"
-
-/* Type Definitions */
-
-/* Named Constants */
-
-/* Variable Declarations */
-
-/* Variable Definitions */
-
-/* Function Declarations */
-
-/* Function Definitions */
-void kalman_dlqe3_initialize(void)
-{
- int32_T i;
- static const uint32_T uv0[2] = { 362436069U, 0U };
-
- rt_InitInfAndNaN(8U);
- state_not_empty = FALSE;
- b_state = 1144108930U;
- b_method = 7U;
- method = 0U;
- for (i = 0; i < 2; i++) {
- c_state[i] = 362436069U + 158852560U * (uint32_T)i;
- state[i] = uv0[i];
- }
-
- if (state[1] == 0U) {
- state[1] = 521288629U;
- }
-}
-
-/* End of code generation (kalman_dlqe3_initialize.c) */
diff --git a/src/modules/position_estimator_mc/codegen/kalman_dlqe3_initialize.h b/src/modules/position_estimator_mc/codegen/kalman_dlqe3_initialize.h deleted file mode 100755 index 9dee90f9e..000000000 --- a/src/modules/position_estimator_mc/codegen/kalman_dlqe3_initialize.h +++ /dev/null @@ -1,33 +0,0 @@ -/*
- * kalman_dlqe3_initialize.h
- *
- * Code generation for function 'kalman_dlqe3_initialize'
- *
- * C source code generated on: Tue Feb 19 15:26:31 2013
- *
- */
-
-#ifndef __KALMAN_DLQE3_INITIALIZE_H__
-#define __KALMAN_DLQE3_INITIALIZE_H__
-/* Include files */
-#include <math.h>
-#include <stddef.h>
-#include <stdlib.h>
-#include <string.h>
-#include "rt_nonfinite.h"
-
-#include "rtwtypes.h"
-#include "kalman_dlqe3_types.h"
-
-/* Type Definitions */
-
-/* Named Constants */
-
-/* Variable Declarations */
-
-/* Variable Definitions */
-
-/* Function Declarations */
-extern void kalman_dlqe3_initialize(void);
-#endif
-/* End of code generation (kalman_dlqe3_initialize.h) */
diff --git a/src/modules/position_estimator_mc/codegen/kalman_dlqe3_terminate.c b/src/modules/position_estimator_mc/codegen/kalman_dlqe3_terminate.c deleted file mode 100755 index b00858205..000000000 --- a/src/modules/position_estimator_mc/codegen/kalman_dlqe3_terminate.c +++ /dev/null @@ -1,31 +0,0 @@ -/*
- * kalman_dlqe3_terminate.c
- *
- * Code generation for function 'kalman_dlqe3_terminate'
- *
- * C source code generated on: Tue Feb 19 15:26:31 2013
- *
- */
-
-/* Include files */
-#include "rt_nonfinite.h"
-#include "kalman_dlqe3.h"
-#include "kalman_dlqe3_terminate.h"
-
-/* Type Definitions */
-
-/* Named Constants */
-
-/* Variable Declarations */
-
-/* Variable Definitions */
-
-/* Function Declarations */
-
-/* Function Definitions */
-void kalman_dlqe3_terminate(void)
-{
- /* (no terminate code required) */
-}
-
-/* End of code generation (kalman_dlqe3_terminate.c) */
diff --git a/src/modules/position_estimator_mc/codegen/kalman_dlqe3_terminate.h b/src/modules/position_estimator_mc/codegen/kalman_dlqe3_terminate.h deleted file mode 100755 index 69cc85c76..000000000 --- a/src/modules/position_estimator_mc/codegen/kalman_dlqe3_terminate.h +++ /dev/null @@ -1,33 +0,0 @@ -/*
- * kalman_dlqe3_terminate.h
- *
- * Code generation for function 'kalman_dlqe3_terminate'
- *
- * C source code generated on: Tue Feb 19 15:26:31 2013
- *
- */
-
-#ifndef __KALMAN_DLQE3_TERMINATE_H__
-#define __KALMAN_DLQE3_TERMINATE_H__
-/* Include files */
-#include <math.h>
-#include <stddef.h>
-#include <stdlib.h>
-#include <string.h>
-#include "rt_nonfinite.h"
-
-#include "rtwtypes.h"
-#include "kalman_dlqe3_types.h"
-
-/* Type Definitions */
-
-/* Named Constants */
-
-/* Variable Declarations */
-
-/* Variable Definitions */
-
-/* Function Declarations */
-extern void kalman_dlqe3_terminate(void);
-#endif
-/* End of code generation (kalman_dlqe3_terminate.h) */
diff --git a/src/modules/position_estimator_mc/codegen/kalman_dlqe3_types.h b/src/modules/position_estimator_mc/codegen/kalman_dlqe3_types.h deleted file mode 100755 index f36ea4557..000000000 --- a/src/modules/position_estimator_mc/codegen/kalman_dlqe3_types.h +++ /dev/null @@ -1,16 +0,0 @@ -/*
- * kalman_dlqe3_types.h
- *
- * Code generation for function 'kalman_dlqe3'
- *
- * C source code generated on: Tue Feb 19 15:26:30 2013
- *
- */
-
-#ifndef __KALMAN_DLQE3_TYPES_H__
-#define __KALMAN_DLQE3_TYPES_H__
-
-/* Type Definitions */
-
-#endif
-/* End of code generation (kalman_dlqe3_types.h) */
diff --git a/src/modules/position_estimator_mc/codegen/positionKalmanFilter1D.c b/src/modules/position_estimator_mc/codegen/positionKalmanFilter1D.c deleted file mode 100755 index 5139848bc..000000000 --- a/src/modules/position_estimator_mc/codegen/positionKalmanFilter1D.c +++ /dev/null @@ -1,136 +0,0 @@ -/* - * positionKalmanFilter1D.c - * - * Code generation for function 'positionKalmanFilter1D' - * - * C source code generated on: Fri Nov 30 14:26:11 2012 - * - */ - -/* Include files */ -#include "rt_nonfinite.h" -#include "positionKalmanFilter1D.h" - -/* Type Definitions */ - -/* Named Constants */ - -/* Variable Declarations */ - -/* Variable Definitions */ - -/* Function Declarations */ - -/* Function Definitions */ -void positionKalmanFilter1D(const real32_T A[9], const real32_T B[3], const - real32_T C[3], const real32_T x_aposteriori_k[3], const real32_T - P_aposteriori_k[9], real32_T u, real32_T z, uint8_T gps_update, const real32_T - Q[9], real32_T R, real32_T thresh, real32_T decay, real32_T x_aposteriori[3], - real32_T P_aposteriori[9]) -{ - int32_T i0; - real32_T f0; - int32_T k; - real32_T b_A[9]; - int32_T i1; - real32_T P_apriori[9]; - real32_T y; - real32_T K[3]; - real32_T S; - int8_T I[9]; - - /* prediction */ - for (i0 = 0; i0 < 3; i0++) { - f0 = 0.0F; - for (k = 0; k < 3; k++) { - f0 += A[i0 + 3 * k] * x_aposteriori_k[k]; - } - - x_aposteriori[i0] = f0 + B[i0] * u; - } - - for (i0 = 0; i0 < 3; i0++) { - for (k = 0; k < 3; k++) { - b_A[i0 + 3 * k] = 0.0F; - for (i1 = 0; i1 < 3; i1++) { - b_A[i0 + 3 * k] += A[i0 + 3 * i1] * P_aposteriori_k[i1 + 3 * k]; - } - } - } - - for (i0 = 0; i0 < 3; i0++) { - for (k = 0; k < 3; k++) { - f0 = 0.0F; - for (i1 = 0; i1 < 3; i1++) { - f0 += b_A[i0 + 3 * i1] * A[k + 3 * i1]; - } - - P_apriori[i0 + 3 * k] = f0 + Q[i0 + 3 * k]; - } - } - - if ((real32_T)fabs(u) < thresh) { - x_aposteriori[1] *= decay; - } - - /* update */ - if (gps_update == 1) { - y = 0.0F; - for (k = 0; k < 3; k++) { - y += C[k] * x_aposteriori[k]; - K[k] = 0.0F; - for (i0 = 0; i0 < 3; i0++) { - K[k] += C[i0] * P_apriori[i0 + 3 * k]; - } - } - - y = z - y; - S = 0.0F; - for (k = 0; k < 3; k++) { - S += K[k] * C[k]; - } - - S += R; - for (i0 = 0; i0 < 3; i0++) { - f0 = 0.0F; - for (k = 0; k < 3; k++) { - f0 += P_apriori[i0 + 3 * k] * C[k]; - } - - K[i0] = f0 / S; - } - - for (i0 = 0; i0 < 3; i0++) { - x_aposteriori[i0] += K[i0] * y; - } - - for (i0 = 0; i0 < 9; i0++) { - I[i0] = 0; - } - - for (k = 0; k < 3; k++) { - I[k + 3 * k] = 1; - } - - for (i0 = 0; i0 < 3; i0++) { - for (k = 0; k < 3; k++) { - b_A[k + 3 * i0] = (real32_T)I[k + 3 * i0] - K[k] * C[i0]; - } - } - - for (i0 = 0; i0 < 3; i0++) { - for (k = 0; k < 3; k++) { - P_aposteriori[i0 + 3 * k] = 0.0F; - for (i1 = 0; i1 < 3; i1++) { - P_aposteriori[i0 + 3 * k] += b_A[i0 + 3 * i1] * P_apriori[i1 + 3 * k]; - } - } - } - } else { - for (i0 = 0; i0 < 9; i0++) { - P_aposteriori[i0] = P_apriori[i0]; - } - } -} - -/* End of code generation (positionKalmanFilter1D.c) */ diff --git a/src/modules/position_estimator_mc/codegen/positionKalmanFilter1D.h b/src/modules/position_estimator_mc/codegen/positionKalmanFilter1D.h deleted file mode 100755 index 205c8eb4e..000000000 --- a/src/modules/position_estimator_mc/codegen/positionKalmanFilter1D.h +++ /dev/null @@ -1,31 +0,0 @@ -/* - * positionKalmanFilter1D.h - * - * Code generation for function 'positionKalmanFilter1D' - * - * C source code generated on: Fri Nov 30 14:26:11 2012 - * - */ - -#ifndef __POSITIONKALMANFILTER1D_H__ -#define __POSITIONKALMANFILTER1D_H__ -/* Include files */ -#include <math.h> -#include <stddef.h> -#include <stdlib.h> - -#include "rtwtypes.h" -#include "positionKalmanFilter1D_types.h" - -/* Type Definitions */ - -/* Named Constants */ - -/* Variable Declarations */ - -/* Variable Definitions */ - -/* Function Declarations */ -extern void positionKalmanFilter1D(const real32_T A[9], const real32_T B[3], const real32_T C[3], const real32_T x_aposteriori_k[3], const real32_T P_aposteriori_k[9], real32_T u, real32_T z, uint8_T gps_update, const real32_T Q[9], real32_T R, real32_T thresh, real32_T decay, real32_T x_aposteriori[3], real32_T P_aposteriori[9]); -#endif -/* End of code generation (positionKalmanFilter1D.h) */ diff --git a/src/modules/position_estimator_mc/codegen/positionKalmanFilter1D_dT.c b/src/modules/position_estimator_mc/codegen/positionKalmanFilter1D_dT.c deleted file mode 100755 index 4c535618a..000000000 --- a/src/modules/position_estimator_mc/codegen/positionKalmanFilter1D_dT.c +++ /dev/null @@ -1,157 +0,0 @@ -/* - * positionKalmanFilter1D_dT.c - * - * Code generation for function 'positionKalmanFilter1D_dT' - * - * C source code generated on: Fri Nov 30 17:37:33 2012 - * - */ - -/* Include files */ -#include "rt_nonfinite.h" -#include "positionKalmanFilter1D_dT.h" - -/* Type Definitions */ - -/* Named Constants */ - -/* Variable Declarations */ - -/* Variable Definitions */ - -/* Function Declarations */ - -/* Function Definitions */ -void positionKalmanFilter1D_dT(real32_T dT, const real32_T x_aposteriori_k[3], - const real32_T P_aposteriori_k[9], real32_T u, real32_T z, uint8_T gps_update, - const real32_T Q[9], real_T R, real32_T thresh, real32_T decay, real32_T - x_aposteriori[3], real32_T P_aposteriori[9]) -{ - real32_T A[9]; - int32_T i; - static const int8_T iv0[3] = { 0, 0, 1 }; - - real32_T K[3]; - real32_T f0; - int32_T i0; - real32_T b_A[9]; - int32_T i1; - real32_T P_apriori[9]; - static const int8_T iv1[3] = { 1, 0, 0 }; - - real32_T fv0[3]; - real32_T y; - static const int8_T iv2[3] = { 1, 0, 0 }; - - real32_T S; - int8_T I[9]; - - /* dynamics */ - A[0] = 1.0F; - A[3] = dT; - A[6] = -0.5F * dT * dT; - A[1] = 0.0F; - A[4] = 1.0F; - A[7] = -dT; - for (i = 0; i < 3; i++) { - A[2 + 3 * i] = (real32_T)iv0[i]; - } - - /* prediction */ - K[0] = 0.5F * dT * dT; - K[1] = dT; - K[2] = 0.0F; - for (i = 0; i < 3; i++) { - f0 = 0.0F; - for (i0 = 0; i0 < 3; i0++) { - f0 += A[i + 3 * i0] * x_aposteriori_k[i0]; - } - - x_aposteriori[i] = f0 + K[i] * u; - } - - for (i = 0; i < 3; i++) { - for (i0 = 0; i0 < 3; i0++) { - b_A[i + 3 * i0] = 0.0F; - for (i1 = 0; i1 < 3; i1++) { - b_A[i + 3 * i0] += A[i + 3 * i1] * P_aposteriori_k[i1 + 3 * i0]; - } - } - } - - for (i = 0; i < 3; i++) { - for (i0 = 0; i0 < 3; i0++) { - f0 = 0.0F; - for (i1 = 0; i1 < 3; i1++) { - f0 += b_A[i + 3 * i1] * A[i0 + 3 * i1]; - } - - P_apriori[i + 3 * i0] = f0 + Q[i + 3 * i0]; - } - } - - if ((real32_T)fabs(u) < thresh) { - x_aposteriori[1] *= decay; - } - - /* update */ - if (gps_update == 1) { - f0 = 0.0F; - for (i = 0; i < 3; i++) { - f0 += (real32_T)iv1[i] * x_aposteriori[i]; - fv0[i] = 0.0F; - for (i0 = 0; i0 < 3; i0++) { - fv0[i] += (real32_T)iv1[i0] * P_apriori[i0 + 3 * i]; - } - } - - y = z - f0; - f0 = 0.0F; - for (i = 0; i < 3; i++) { - f0 += fv0[i] * (real32_T)iv2[i]; - } - - S = f0 + (real32_T)R; - for (i = 0; i < 3; i++) { - f0 = 0.0F; - for (i0 = 0; i0 < 3; i0++) { - f0 += P_apriori[i + 3 * i0] * (real32_T)iv2[i0]; - } - - K[i] = f0 / S; - } - - for (i = 0; i < 3; i++) { - x_aposteriori[i] += K[i] * y; - } - - for (i = 0; i < 9; i++) { - I[i] = 0; - } - - for (i = 0; i < 3; i++) { - I[i + 3 * i] = 1; - } - - for (i = 0; i < 3; i++) { - for (i0 = 0; i0 < 3; i0++) { - A[i0 + 3 * i] = (real32_T)I[i0 + 3 * i] - K[i0] * (real32_T)iv1[i]; - } - } - - for (i = 0; i < 3; i++) { - for (i0 = 0; i0 < 3; i0++) { - P_aposteriori[i + 3 * i0] = 0.0F; - for (i1 = 0; i1 < 3; i1++) { - P_aposteriori[i + 3 * i0] += A[i + 3 * i1] * P_apriori[i1 + 3 * i0]; - } - } - } - } else { - for (i = 0; i < 9; i++) { - P_aposteriori[i] = P_apriori[i]; - } - } -} - -/* End of code generation (positionKalmanFilter1D_dT.c) */ diff --git a/src/modules/position_estimator_mc/codegen/positionKalmanFilter1D_dT.h b/src/modules/position_estimator_mc/codegen/positionKalmanFilter1D_dT.h deleted file mode 100755 index 94cbe2ce6..000000000 --- a/src/modules/position_estimator_mc/codegen/positionKalmanFilter1D_dT.h +++ /dev/null @@ -1,31 +0,0 @@ -/* - * positionKalmanFilter1D_dT.h - * - * Code generation for function 'positionKalmanFilter1D_dT' - * - * C source code generated on: Fri Nov 30 17:37:33 2012 - * - */ - -#ifndef __POSITIONKALMANFILTER1D_DT_H__ -#define __POSITIONKALMANFILTER1D_DT_H__ -/* Include files */ -#include <math.h> -#include <stddef.h> -#include <stdlib.h> - -#include "rtwtypes.h" -#include "positionKalmanFilter1D_dT_types.h" - -/* Type Definitions */ - -/* Named Constants */ - -/* Variable Declarations */ - -/* Variable Definitions */ - -/* Function Declarations */ -extern void positionKalmanFilter1D_dT(real32_T dT, const real32_T x_aposteriori_k[3], const real32_T P_aposteriori_k[9], real32_T u, real32_T z, uint8_T gps_update, const real32_T Q[9], real_T R, real32_T thresh, real32_T decay, real32_T x_aposteriori[3], real32_T P_aposteriori[9]); -#endif -/* End of code generation (positionKalmanFilter1D_dT.h) */ diff --git a/src/modules/position_estimator_mc/codegen/positionKalmanFilter1D_dT_initialize.c b/src/modules/position_estimator_mc/codegen/positionKalmanFilter1D_dT_initialize.c deleted file mode 100755 index aa89f8a9d..000000000 --- a/src/modules/position_estimator_mc/codegen/positionKalmanFilter1D_dT_initialize.c +++ /dev/null @@ -1,31 +0,0 @@ -/* - * positionKalmanFilter1D_dT_initialize.c - * - * Code generation for function 'positionKalmanFilter1D_dT_initialize' - * - * C source code generated on: Fri Nov 30 17:37:33 2012 - * - */ - -/* Include files */ -#include "rt_nonfinite.h" -#include "positionKalmanFilter1D_dT.h" -#include "positionKalmanFilter1D_dT_initialize.h" - -/* Type Definitions */ - -/* Named Constants */ - -/* Variable Declarations */ - -/* Variable Definitions */ - -/* Function Declarations */ - -/* Function Definitions */ -void positionKalmanFilter1D_dT_initialize(void) -{ - rt_InitInfAndNaN(8U); -} - -/* End of code generation (positionKalmanFilter1D_dT_initialize.c) */ diff --git a/src/modules/position_estimator_mc/codegen/positionKalmanFilter1D_dT_initialize.h b/src/modules/position_estimator_mc/codegen/positionKalmanFilter1D_dT_initialize.h deleted file mode 100755 index 8d358a9a3..000000000 --- a/src/modules/position_estimator_mc/codegen/positionKalmanFilter1D_dT_initialize.h +++ /dev/null @@ -1,31 +0,0 @@ -/* - * positionKalmanFilter1D_dT_initialize.h - * - * Code generation for function 'positionKalmanFilter1D_dT_initialize' - * - * C source code generated on: Fri Nov 30 17:37:33 2012 - * - */ - -#ifndef __POSITIONKALMANFILTER1D_DT_INITIALIZE_H__ -#define __POSITIONKALMANFILTER1D_DT_INITIALIZE_H__ -/* Include files */ -#include <math.h> -#include <stddef.h> -#include <stdlib.h> - -#include "rtwtypes.h" -#include "positionKalmanFilter1D_dT_types.h" - -/* Type Definitions */ - -/* Named Constants */ - -/* Variable Declarations */ - -/* Variable Definitions */ - -/* Function Declarations */ -extern void positionKalmanFilter1D_dT_initialize(void); -#endif -/* End of code generation (positionKalmanFilter1D_dT_initialize.h) */ diff --git a/src/modules/position_estimator_mc/codegen/positionKalmanFilter1D_dT_terminate.c b/src/modules/position_estimator_mc/codegen/positionKalmanFilter1D_dT_terminate.c deleted file mode 100755 index 20ed2edbb..000000000 --- a/src/modules/position_estimator_mc/codegen/positionKalmanFilter1D_dT_terminate.c +++ /dev/null @@ -1,31 +0,0 @@ -/* - * positionKalmanFilter1D_dT_terminate.c - * - * Code generation for function 'positionKalmanFilter1D_dT_terminate' - * - * C source code generated on: Fri Nov 30 17:37:33 2012 - * - */ - -/* Include files */ -#include "rt_nonfinite.h" -#include "positionKalmanFilter1D_dT.h" -#include "positionKalmanFilter1D_dT_terminate.h" - -/* Type Definitions */ - -/* Named Constants */ - -/* Variable Declarations */ - -/* Variable Definitions */ - -/* Function Declarations */ - -/* Function Definitions */ -void positionKalmanFilter1D_dT_terminate(void) -{ - /* (no terminate code required) */ -} - -/* End of code generation (positionKalmanFilter1D_dT_terminate.c) */ diff --git a/src/modules/position_estimator_mc/codegen/positionKalmanFilter1D_dT_terminate.h b/src/modules/position_estimator_mc/codegen/positionKalmanFilter1D_dT_terminate.h deleted file mode 100755 index 5eb5807a0..000000000 --- a/src/modules/position_estimator_mc/codegen/positionKalmanFilter1D_dT_terminate.h +++ /dev/null @@ -1,31 +0,0 @@ -/* - * positionKalmanFilter1D_dT_terminate.h - * - * Code generation for function 'positionKalmanFilter1D_dT_terminate' - * - * C source code generated on: Fri Nov 30 17:37:33 2012 - * - */ - -#ifndef __POSITIONKALMANFILTER1D_DT_TERMINATE_H__ -#define __POSITIONKALMANFILTER1D_DT_TERMINATE_H__ -/* Include files */ -#include <math.h> -#include <stddef.h> -#include <stdlib.h> - -#include "rtwtypes.h" -#include "positionKalmanFilter1D_dT_types.h" - -/* Type Definitions */ - -/* Named Constants */ - -/* Variable Declarations */ - -/* Variable Definitions */ - -/* Function Declarations */ -extern void positionKalmanFilter1D_dT_terminate(void); -#endif -/* End of code generation (positionKalmanFilter1D_dT_terminate.h) */ diff --git a/src/modules/position_estimator_mc/codegen/positionKalmanFilter1D_dT_types.h b/src/modules/position_estimator_mc/codegen/positionKalmanFilter1D_dT_types.h deleted file mode 100755 index 43e5f016c..000000000 --- a/src/modules/position_estimator_mc/codegen/positionKalmanFilter1D_dT_types.h +++ /dev/null @@ -1,16 +0,0 @@ -/* - * positionKalmanFilter1D_dT_types.h - * - * Code generation for function 'positionKalmanFilter1D_dT' - * - * C source code generated on: Fri Nov 30 17:37:33 2012 - * - */ - -#ifndef __POSITIONKALMANFILTER1D_DT_TYPES_H__ -#define __POSITIONKALMANFILTER1D_DT_TYPES_H__ - -/* Type Definitions */ - -#endif -/* End of code generation (positionKalmanFilter1D_dT_types.h) */ diff --git a/src/modules/position_estimator_mc/codegen/positionKalmanFilter1D_initialize.c b/src/modules/position_estimator_mc/codegen/positionKalmanFilter1D_initialize.c deleted file mode 100755 index 5bd87c390..000000000 --- a/src/modules/position_estimator_mc/codegen/positionKalmanFilter1D_initialize.c +++ /dev/null @@ -1,31 +0,0 @@ -/* - * positionKalmanFilter1D_initialize.c - * - * Code generation for function 'positionKalmanFilter1D_initialize' - * - * C source code generated on: Fri Nov 30 14:26:11 2012 - * - */ - -/* Include files */ -#include "rt_nonfinite.h" -#include "positionKalmanFilter1D.h" -#include "positionKalmanFilter1D_initialize.h" - -/* Type Definitions */ - -/* Named Constants */ - -/* Variable Declarations */ - -/* Variable Definitions */ - -/* Function Declarations */ - -/* Function Definitions */ -void positionKalmanFilter1D_initialize(void) -{ - rt_InitInfAndNaN(8U); -} - -/* End of code generation (positionKalmanFilter1D_initialize.c) */ diff --git a/src/modules/position_estimator_mc/codegen/positionKalmanFilter1D_initialize.h b/src/modules/position_estimator_mc/codegen/positionKalmanFilter1D_initialize.h deleted file mode 100755 index 44bce472f..000000000 --- a/src/modules/position_estimator_mc/codegen/positionKalmanFilter1D_initialize.h +++ /dev/null @@ -1,31 +0,0 @@ -/* - * positionKalmanFilter1D_initialize.h - * - * Code generation for function 'positionKalmanFilter1D_initialize' - * - * C source code generated on: Fri Nov 30 14:26:11 2012 - * - */ - -#ifndef __POSITIONKALMANFILTER1D_INITIALIZE_H__ -#define __POSITIONKALMANFILTER1D_INITIALIZE_H__ -/* Include files */ -#include <math.h> -#include <stddef.h> -#include <stdlib.h> - -#include "rtwtypes.h" -#include "positionKalmanFilter1D_types.h" - -/* Type Definitions */ - -/* Named Constants */ - -/* Variable Declarations */ - -/* Variable Definitions */ - -/* Function Declarations */ -extern void positionKalmanFilter1D_initialize(void); -#endif -/* End of code generation (positionKalmanFilter1D_initialize.h) */ diff --git a/src/modules/position_estimator_mc/codegen/positionKalmanFilter1D_terminate.c b/src/modules/position_estimator_mc/codegen/positionKalmanFilter1D_terminate.c deleted file mode 100755 index 41e11936f..000000000 --- a/src/modules/position_estimator_mc/codegen/positionKalmanFilter1D_terminate.c +++ /dev/null @@ -1,31 +0,0 @@ -/* - * positionKalmanFilter1D_terminate.c - * - * Code generation for function 'positionKalmanFilter1D_terminate' - * - * C source code generated on: Fri Nov 30 14:26:11 2012 - * - */ - -/* Include files */ -#include "rt_nonfinite.h" -#include "positionKalmanFilter1D.h" -#include "positionKalmanFilter1D_terminate.h" - -/* Type Definitions */ - -/* Named Constants */ - -/* Variable Declarations */ - -/* Variable Definitions */ - -/* Function Declarations */ - -/* Function Definitions */ -void positionKalmanFilter1D_terminate(void) -{ - /* (no terminate code required) */ -} - -/* End of code generation (positionKalmanFilter1D_terminate.c) */ diff --git a/src/modules/position_estimator_mc/codegen/positionKalmanFilter1D_terminate.h b/src/modules/position_estimator_mc/codegen/positionKalmanFilter1D_terminate.h deleted file mode 100755 index e84ea01bc..000000000 --- a/src/modules/position_estimator_mc/codegen/positionKalmanFilter1D_terminate.h +++ /dev/null @@ -1,31 +0,0 @@ -/* - * positionKalmanFilter1D_terminate.h - * - * Code generation for function 'positionKalmanFilter1D_terminate' - * - * C source code generated on: Fri Nov 30 14:26:11 2012 - * - */ - -#ifndef __POSITIONKALMANFILTER1D_TERMINATE_H__ -#define __POSITIONKALMANFILTER1D_TERMINATE_H__ -/* Include files */ -#include <math.h> -#include <stddef.h> -#include <stdlib.h> - -#include "rtwtypes.h" -#include "positionKalmanFilter1D_types.h" - -/* Type Definitions */ - -/* Named Constants */ - -/* Variable Declarations */ - -/* Variable Definitions */ - -/* Function Declarations */ -extern void positionKalmanFilter1D_terminate(void); -#endif -/* End of code generation (positionKalmanFilter1D_terminate.h) */ diff --git a/src/modules/position_estimator_mc/codegen/positionKalmanFilter1D_types.h b/src/modules/position_estimator_mc/codegen/positionKalmanFilter1D_types.h deleted file mode 100755 index 4b473f56f..000000000 --- a/src/modules/position_estimator_mc/codegen/positionKalmanFilter1D_types.h +++ /dev/null @@ -1,16 +0,0 @@ -/* - * positionKalmanFilter1D_types.h - * - * Code generation for function 'positionKalmanFilter1D' - * - * C source code generated on: Fri Nov 30 14:26:11 2012 - * - */ - -#ifndef __POSITIONKALMANFILTER1D_TYPES_H__ -#define __POSITIONKALMANFILTER1D_TYPES_H__ - -/* Type Definitions */ - -#endif -/* End of code generation (positionKalmanFilter1D_types.h) */ diff --git a/src/modules/position_estimator_mc/codegen/randn.c b/src/modules/position_estimator_mc/codegen/randn.c deleted file mode 100755 index 51aef7b76..000000000 --- a/src/modules/position_estimator_mc/codegen/randn.c +++ /dev/null @@ -1,524 +0,0 @@ -/*
- * randn.c
- *
- * Code generation for function 'randn'
- *
- * C source code generated on: Tue Feb 19 15:26:32 2013
- *
- */
-
-/* Include files */
-#include "rt_nonfinite.h"
-#include "kalman_dlqe3.h"
-#include "randn.h"
-#include "kalman_dlqe3_data.h"
-
-/* Type Definitions */
-
-/* Named Constants */
-
-/* Variable Declarations */
-
-/* Variable Definitions */
-static uint32_T d_state[625];
-
-/* Function Declarations */
-static real_T b_genrandu(uint32_T mt[625]);
-static real_T eml_rand_mt19937ar(uint32_T e_state[625]);
-static real_T eml_rand_shr3cong(uint32_T e_state[2]);
-static void genrand_uint32_vector(uint32_T mt[625], uint32_T u[2]);
-static void genrandu(uint32_T s, uint32_T *e_state, real_T *r);
-static void twister_state_vector(uint32_T mt[625], real_T seed);
-
-/* Function Definitions */
-static real_T b_genrandu(uint32_T mt[625])
-{
- real_T r;
- int32_T exitg1;
- uint32_T u[2];
- boolean_T isvalid;
- int32_T k;
- boolean_T exitg2;
-
- /* <LEGAL> This is a uniform (0,1) pseudorandom number generator based on: */
- /* <LEGAL> */
- /* <LEGAL> A C-program for MT19937, with initialization improved 2002/1/26. */
- /* <LEGAL> Coded by Takuji Nishimura and Makoto Matsumoto. */
- /* <LEGAL> */
- /* <LEGAL> Copyright (C) 1997 - 2002, Makoto Matsumoto and Takuji Nishimura, */
- /* <LEGAL> All rights reserved. */
- /* <LEGAL> */
- /* <LEGAL> Redistribution and use in source and binary forms, with or without */
- /* <LEGAL> modification, are permitted provided that the following conditions */
- /* <LEGAL> are met: */
- /* <LEGAL> */
- /* <LEGAL> 1. Redistributions of source code must retain the above copyright */
- /* <LEGAL> notice, this list of conditions and the following disclaimer. */
- /* <LEGAL> */
- /* <LEGAL> 2. Redistributions in binary form must reproduce the above copyright */
- /* <LEGAL> notice, this list of conditions and the following disclaimer in the */
- /* <LEGAL> documentation and/or other materials provided with the distribution. */
- /* <LEGAL> */
- /* <LEGAL> 3. The names of its contributors may not be used to endorse or promote */
- /* <LEGAL> products derived from this software without specific prior written */
- /* <LEGAL> permission. */
- /* <LEGAL> */
- /* <LEGAL> THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS */
- /* <LEGAL> "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT */
- /* <LEGAL> LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR */
- /* <LEGAL> A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR */
- /* <LEGAL> CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, */
- /* <LEGAL> EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, */
- /* <LEGAL> PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR */
- /* <LEGAL> PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */
- /* <LEGAL> LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */
- /* <LEGAL> NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS */
- /* <LEGAL> SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
- do {
- exitg1 = 0;
- genrand_uint32_vector(mt, u);
- r = 1.1102230246251565E-16 * ((real_T)(u[0] >> 5U) * 6.7108864E+7 + (real_T)
- (u[1] >> 6U));
- if (r == 0.0) {
- if ((mt[624] >= 1U) && (mt[624] < 625U)) {
- isvalid = TRUE;
- } else {
- isvalid = FALSE;
- }
-
- if (isvalid) {
- isvalid = FALSE;
- k = 1;
- exitg2 = FALSE;
- while ((exitg2 == FALSE) && (k < 625)) {
- if (mt[k - 1] == 0U) {
- k++;
- } else {
- isvalid = TRUE;
- exitg2 = TRUE;
- }
- }
- }
-
- if (!isvalid) {
- twister_state_vector(mt, 5489.0);
- }
- } else {
- exitg1 = 1;
- }
- } while (exitg1 == 0);
-
- return r;
-}
-
-static real_T eml_rand_mt19937ar(uint32_T e_state[625])
-{
- real_T r;
- int32_T exitg1;
- uint32_T u32[2];
- int32_T i;
- static const real_T dv1[257] = { 0.0, 0.215241895984875, 0.286174591792068,
- 0.335737519214422, 0.375121332878378, 0.408389134611989, 0.43751840220787,
- 0.46363433679088, 0.487443966139235, 0.50942332960209, 0.529909720661557,
- 0.549151702327164, 0.567338257053817, 0.584616766106378, 0.601104617755991,
- 0.61689699000775, 0.63207223638606, 0.646695714894993, 0.660822574244419,
- 0.674499822837293, 0.687767892795788, 0.700661841106814, 0.713212285190975,
- 0.725446140909999, 0.737387211434295, 0.749056662017815, 0.760473406430107,
- 0.771654424224568, 0.782615023307232, 0.793369058840623, 0.80392911698997,
- 0.814306670135215, 0.824512208752291, 0.834555354086381, 0.844444954909153,
- 0.854189171008163, 0.863795545553308, 0.87327106808886, 0.882622229585165,
- 0.891855070732941, 0.900975224461221, 0.909987953496718, 0.91889818364959,
- 0.927710533401999, 0.936429340286575, 0.945058684468165, 0.953602409881086,
- 0.96206414322304, 0.970447311064224, 0.978755155294224, 0.986990747099062,
- 0.99515699963509, 1.00325667954467, 1.01129241744, 1.01926671746548,
- 1.02718196603564, 1.03504043983344, 1.04284431314415, 1.05059566459093,
- 1.05829648333067, 1.06594867476212, 1.07355406579244, 1.0811144097034,
- 1.08863139065398, 1.09610662785202, 1.10354167942464, 1.11093804601357,
- 1.11829717411934, 1.12562045921553, 1.13290924865253, 1.14016484436815,
- 1.14738850542085, 1.15458145035993, 1.16174485944561, 1.16887987673083,
- 1.17598761201545, 1.18306914268269, 1.19012551542669, 1.19715774787944,
- 1.20416683014438, 1.2111537262437, 1.21811937548548, 1.22506469375653,
- 1.23199057474614, 1.23889789110569, 1.24578749554863, 1.2526602218949,
- 1.25951688606371, 1.26635828701823, 1.27318520766536, 1.27999841571382,
- 1.28679866449324, 1.29358669373695, 1.30036323033084, 1.30712898903073,
- 1.31388467315022, 1.32063097522106, 1.32736857762793, 1.33409815321936,
- 1.3408203658964, 1.34753587118059, 1.35424531676263, 1.36094934303328,
- 1.36764858359748, 1.37434366577317, 1.38103521107586, 1.38772383568998,
- 1.39441015092814, 1.40109476367925, 1.4077782768464, 1.41446128977547,
- 1.42114439867531, 1.42782819703026, 1.43451327600589, 1.44120022484872,
- 1.44788963128058, 1.45458208188841, 1.46127816251028, 1.46797845861808,
- 1.47468355569786, 1.48139403962819, 1.48811049705745, 1.49483351578049,
- 1.50156368511546, 1.50830159628131, 1.51504784277671, 1.521803020761,
- 1.52856772943771, 1.53534257144151, 1.542128153229, 1.54892508547417,
- 1.55573398346918, 1.56255546753104, 1.56939016341512, 1.57623870273591,
- 1.58310172339603, 1.58997987002419, 1.59687379442279, 1.60378415602609,
- 1.61071162236983, 1.61765686957301, 1.62462058283303, 1.63160345693487,
- 1.63860619677555, 1.64562951790478, 1.65267414708306, 1.65974082285818,
- 1.66683029616166, 1.67394333092612, 1.68108070472517, 1.68824320943719,
- 1.69543165193456, 1.70264685479992, 1.7098896570713, 1.71716091501782,
- 1.72446150294804, 1.73179231405296, 1.73915426128591, 1.74654827828172,
- 1.75397532031767, 1.76143636531891, 1.76893241491127, 1.77646449552452,
- 1.78403365954944, 1.79164098655216, 1.79928758454972, 1.80697459135082,
- 1.81470317596628, 1.82247454009388, 1.83028991968276, 1.83815058658281,
- 1.84605785028518, 1.8540130597602, 1.86201760539967, 1.87007292107127,
- 1.878180486293, 1.88634182853678, 1.8945585256707, 1.90283220855043,
- 1.91116456377125, 1.91955733659319, 1.92801233405266, 1.93653142827569,
- 1.94511656000868, 1.95376974238465, 1.96249306494436, 1.97128869793366,
- 1.98015889690048, 1.98910600761744, 1.99813247135842, 2.00724083056053,
- 2.0164337349062, 2.02571394786385, 2.03508435372962, 2.04454796521753,
- 2.05410793165065, 2.06376754781173, 2.07353026351874, 2.0833996939983,
- 2.09337963113879, 2.10347405571488, 2.11368715068665, 2.12402331568952,
- 2.13448718284602, 2.14508363404789, 2.15581781987674, 2.16669518035431,
- 2.17772146774029, 2.18890277162636, 2.20024554661128, 2.21175664288416,
- 2.22344334009251, 2.23531338492992, 2.24737503294739, 2.25963709517379,
- 2.27210899022838, 2.28480080272449, 2.29772334890286, 2.31088825060137,
- 2.32430801887113, 2.33799614879653, 2.35196722737914, 2.36623705671729,
- 2.38082279517208, 2.39574311978193, 2.41101841390112, 2.42667098493715,
- 2.44272531820036, 2.4592083743347, 2.47614993967052, 2.49358304127105,
- 2.51154444162669, 2.53007523215985, 2.54922155032478, 2.56903545268184,
- 2.58957598670829, 2.61091051848882, 2.63311639363158, 2.65628303757674,
- 2.68051464328574, 2.70593365612306, 2.73268535904401, 2.76094400527999,
- 2.79092117400193, 2.82287739682644, 2.85713873087322, 2.89412105361341,
- 2.93436686720889, 2.97860327988184, 3.02783779176959, 3.08352613200214,
- 3.147889289518, 3.2245750520478, 3.32024473383983, 3.44927829856143,
- 3.65415288536101, 3.91075795952492 };
-
- real_T u;
- static const real_T dv2[257] = { 1.0, 0.977101701267673, 0.959879091800108,
- 0.9451989534423, 0.932060075959231, 0.919991505039348, 0.908726440052131,
- 0.898095921898344, 0.887984660755834, 0.878309655808918, 0.869008688036857,
- 0.860033621196332, 0.851346258458678, 0.842915653112205, 0.834716292986884,
- 0.826726833946222, 0.818929191603703, 0.811307874312656, 0.803849483170964,
- 0.796542330422959, 0.789376143566025, 0.782341832654803, 0.775431304981187,
- 0.768637315798486, 0.761953346836795, 0.755373506507096, 0.748892447219157,
- 0.742505296340151, 0.736207598126863, 0.729995264561476, 0.72386453346863,
- 0.717811932630722, 0.711834248878248, 0.705928501332754, 0.700091918136512,
- 0.694321916126117, 0.688616083004672, 0.682972161644995, 0.677388036218774,
- 0.671861719897082, 0.66639134390875, 0.660975147776663, 0.655611470579697,
- 0.650298743110817, 0.645035480820822, 0.639820277453057, 0.634651799287624,
- 0.629528779924837, 0.624450015547027, 0.619414360605834, 0.614420723888914,
- 0.609468064925773, 0.604555390697468, 0.599681752619125, 0.594846243767987,
- 0.590047996332826, 0.585286179263371, 0.580559996100791, 0.575868682972354,
- 0.571211506735253, 0.566587763256165, 0.561996775814525, 0.557437893618766,
- 0.552910490425833, 0.548413963255266, 0.543947731190026, 0.539511234256952,
- 0.535103932380458, 0.530725304403662, 0.526374847171684, 0.522052074672322,
- 0.517756517229756, 0.513487720747327, 0.509245245995748, 0.505028667943468,
- 0.500837575126149, 0.49667156905249, 0.492530263643869, 0.488413284705458,
- 0.484320269426683, 0.480250865909047, 0.476204732719506, 0.47218153846773,
- 0.468180961405694, 0.464202689048174, 0.460246417812843, 0.456311852678716,
- 0.452398706861849, 0.448506701507203, 0.444635565395739, 0.440785034665804,
- 0.436954852547985, 0.433144769112652, 0.429354541029442, 0.425583931338022,
- 0.421832709229496, 0.418100649837848, 0.414387534040891, 0.410693148270188,
- 0.407017284329473, 0.403359739221114, 0.399720314980197, 0.396098818515832,
- 0.392495061459315, 0.388908860018789, 0.385340034840077, 0.381788410873393,
- 0.378253817245619, 0.374736087137891, 0.371235057668239, 0.367750569779032,
- 0.364282468129004, 0.360830600989648, 0.357394820145781, 0.353974980800077,
- 0.350570941481406, 0.347182563956794, 0.343809713146851, 0.340452257044522,
- 0.337110066637006, 0.333783015830718, 0.330470981379163, 0.327173842813601,
- 0.323891482376391, 0.320623784956905, 0.317370638029914, 0.314131931596337,
- 0.310907558126286, 0.307697412504292, 0.30450139197665, 0.301319396100803,
- 0.298151326696685, 0.294997087799962, 0.291856585617095, 0.288729728482183,
- 0.285616426815502, 0.282516593083708, 0.279430141761638, 0.276356989295668,
- 0.273297054068577, 0.270250256365875, 0.267216518343561, 0.264195763997261,
- 0.261187919132721, 0.258192911337619, 0.255210669954662, 0.252241126055942,
- 0.249284212418529, 0.246339863501264, 0.24340801542275, 0.240488605940501,
- 0.237581574431238, 0.23468686187233, 0.231804410824339, 0.228934165414681,
- 0.226076071322381, 0.223230075763918, 0.220396127480152, 0.217574176724331,
- 0.214764175251174, 0.211966076307031, 0.209179834621125, 0.206405406397881,
- 0.203642749310335, 0.200891822494657, 0.198152586545776, 0.195425003514135,
- 0.192709036903589, 0.190004651670465, 0.187311814223801, 0.1846304924268,
- 0.181960655599523, 0.179302274522848, 0.176655321443735, 0.174019770081839,
- 0.171395595637506, 0.168782774801212, 0.166181285764482, 0.163591108232366,
- 0.161012223437511, 0.158444614155925, 0.15588826472448, 0.153343161060263,
- 0.150809290681846, 0.148286642732575, 0.145775208005994, 0.143274978973514,
- 0.140785949814445, 0.138308116448551, 0.135841476571254, 0.133386029691669,
- 0.130941777173644, 0.12850872228, 0.126086870220186, 0.123676228201597,
- 0.12127680548479, 0.11888861344291, 0.116511665625611, 0.114145977827839,
- 0.111791568163838, 0.109448457146812, 0.107116667774684, 0.104796225622487,
- 0.102487158941935, 0.10018949876881, 0.0979032790388625, 0.095628536713009,
- 0.093365311912691, 0.0911136480663738, 0.0888735920682759,
- 0.0866451944505581, 0.0844285095703535, 0.082223595813203,
- 0.0800305158146631, 0.0778493367020961, 0.0756801303589272,
- 0.0735229737139814, 0.0713779490588905, 0.0692451443970068,
- 0.0671246538277886, 0.065016577971243, 0.0629210244377582, 0.06083810834954,
- 0.0587679529209339, 0.0567106901062031, 0.0546664613248891,
- 0.0526354182767924, 0.0506177238609479, 0.0486135532158687,
- 0.0466230949019305, 0.0446465522512946, 0.0426841449164746,
- 0.0407361106559411, 0.0388027074045262, 0.0368842156885674,
- 0.0349809414617162, 0.0330932194585786, 0.0312214171919203,
- 0.0293659397581334, 0.0275272356696031, 0.0257058040085489,
- 0.0239022033057959, 0.0221170627073089, 0.0203510962300445,
- 0.0186051212757247, 0.0168800831525432, 0.0151770883079353,
- 0.0134974506017399, 0.0118427578579079, 0.0102149714397015,
- 0.00861658276939875, 0.00705087547137324, 0.00552240329925101,
- 0.00403797259336304, 0.00260907274610216, 0.0012602859304986,
- 0.000477467764609386 };
-
- real_T x;
- do {
- exitg1 = 0;
- genrand_uint32_vector(e_state, u32);
- i = (int32_T)((u32[1] >> 24U) + 1U);
- r = (((real_T)(u32[0] >> 3U) * 1.6777216E+7 + (real_T)((int32_T)u32[1] &
- 16777215)) * 2.2204460492503131E-16 - 1.0) * dv1[i];
- if (fabs(r) <= dv1[i - 1]) {
- exitg1 = 1;
- } else if (i < 256) {
- u = b_genrandu(e_state);
- if (dv2[i] + u * (dv2[i - 1] - dv2[i]) < exp(-0.5 * r * r)) {
- exitg1 = 1;
- }
- } else {
- do {
- u = b_genrandu(e_state);
- x = log(u) * 0.273661237329758;
- u = b_genrandu(e_state);
- } while (!(-2.0 * log(u) > x * x));
-
- if (r < 0.0) {
- r = x - 3.65415288536101;
- } else {
- r = 3.65415288536101 - x;
- }
-
- exitg1 = 1;
- }
- } while (exitg1 == 0);
-
- return r;
-}
-
-static real_T eml_rand_shr3cong(uint32_T e_state[2])
-{
- real_T r;
- uint32_T icng;
- uint32_T jsr;
- uint32_T ui;
- int32_T j;
- static const real_T dv0[65] = { 0.340945, 0.4573146, 0.5397793, 0.6062427,
- 0.6631691, 0.7136975, 0.7596125, 0.8020356, 0.8417227, 0.8792102, 0.9148948,
- 0.9490791, 0.9820005, 1.0138492, 1.044781, 1.0749254, 1.1043917, 1.1332738,
- 1.161653, 1.189601, 1.2171815, 1.2444516, 1.2714635, 1.298265, 1.3249008,
- 1.3514125, 1.3778399, 1.4042211, 1.4305929, 1.4569915, 1.4834527, 1.5100122,
- 1.5367061, 1.5635712, 1.5906454, 1.617968, 1.6455802, 1.6735255, 1.7018503,
- 1.7306045, 1.7598422, 1.7896223, 1.8200099, 1.851077, 1.8829044, 1.9155831,
- 1.9492166, 1.9839239, 2.0198431, 2.0571356, 2.095993, 2.136645, 2.1793713,
- 2.2245175, 2.2725186, 2.3239338, 2.3795008, 2.4402218, 2.5075117, 2.5834658,
- 2.6713916, 2.7769942, 2.7769942, 2.7769942, 2.7769942 };
-
- real_T x;
- real_T y;
- real_T s;
- icng = 69069U * e_state[0] + 1234567U;
- jsr = e_state[1] ^ e_state[1] << 13U;
- jsr ^= jsr >> 17U;
- jsr ^= jsr << 5U;
- ui = icng + jsr;
- j = (int32_T)(ui & 63U);
- r = (real_T)(int32_T)ui * 4.6566128730773926E-10 * dv0[j + 1];
- if (fabs(r) <= dv0[j]) {
- } else {
- x = (fabs(r) - dv0[j]) / (dv0[j + 1] - dv0[j]);
- icng = 69069U * icng + 1234567U;
- jsr ^= jsr << 13U;
- jsr ^= jsr >> 17U;
- jsr ^= jsr << 5U;
- y = (real_T)(int32_T)(icng + jsr) * 2.328306436538696E-10;
- s = x + (0.5 + y);
- if (s > 1.301198) {
- if (r < 0.0) {
- r = 0.4878992 * x - 0.4878992;
- } else {
- r = 0.4878992 - 0.4878992 * x;
- }
- } else if (s <= 0.9689279) {
- } else {
- s = 0.4878992 * x;
- x = 0.4878992 - 0.4878992 * x;
- if (0.5 + y > 12.67706 - 12.37586 * exp(-0.5 * (0.4878992 - s) * x)) {
- if (r < 0.0) {
- r = -(0.4878992 - s);
- } else {
- r = 0.4878992 - s;
- }
- } else if (exp(-0.5 * dv0[j + 1] * dv0[j + 1]) + (0.5 + y) * 0.01958303 /
- dv0[j + 1] <= exp(-0.5 * r * r)) {
- } else {
- do {
- icng = 69069U * icng + 1234567U;
- jsr ^= jsr << 13U;
- jsr ^= jsr >> 17U;
- jsr ^= jsr << 5U;
- x = log(0.5 + (real_T)(int32_T)(icng + jsr) * 2.328306436538696E-10) /
- 2.776994;
- icng = 69069U * icng + 1234567U;
- jsr ^= jsr << 13U;
- jsr ^= jsr >> 17U;
- jsr ^= jsr << 5U;
- } while (!(-2.0 * log(0.5 + (real_T)(int32_T)(icng + jsr) *
- 2.328306436538696E-10) > x * x));
-
- if (r < 0.0) {
- r = x - 2.776994;
- } else {
- r = 2.776994 - x;
- }
- }
- }
- }
-
- e_state[0] = icng;
- e_state[1] = jsr;
- return r;
-}
-
-static void genrand_uint32_vector(uint32_T mt[625], uint32_T u[2])
-{
- int32_T i;
- uint32_T mti;
- int32_T kk;
- uint32_T y;
- uint32_T b_y;
- uint32_T c_y;
- uint32_T d_y;
- for (i = 0; i < 2; i++) {
- u[i] = 0U;
- }
-
- for (i = 0; i < 2; i++) {
- mti = mt[624] + 1U;
- if (mti >= 625U) {
- for (kk = 0; kk < 227; kk++) {
- y = (mt[kk] & 2147483648U) | (mt[1 + kk] & 2147483647U);
- if ((int32_T)(y & 1U) == 0) {
- b_y = y >> 1U;
- } else {
- b_y = y >> 1U ^ 2567483615U;
- }
-
- mt[kk] = mt[397 + kk] ^ b_y;
- }
-
- for (kk = 0; kk < 396; kk++) {
- y = (mt[227 + kk] & 2147483648U) | (mt[228 + kk] & 2147483647U);
- if ((int32_T)(y & 1U) == 0) {
- c_y = y >> 1U;
- } else {
- c_y = y >> 1U ^ 2567483615U;
- }
-
- mt[227 + kk] = mt[kk] ^ c_y;
- }
-
- y = (mt[623] & 2147483648U) | (mt[0] & 2147483647U);
- if ((int32_T)(y & 1U) == 0) {
- d_y = y >> 1U;
- } else {
- d_y = y >> 1U ^ 2567483615U;
- }
-
- mt[623] = mt[396] ^ d_y;
- mti = 1U;
- }
-
- y = mt[(int32_T)mti - 1];
- mt[624] = mti;
- y ^= y >> 11U;
- y ^= y << 7U & 2636928640U;
- y ^= y << 15U & 4022730752U;
- y ^= y >> 18U;
- u[i] = y;
- }
-}
-
-static void genrandu(uint32_T s, uint32_T *e_state, real_T *r)
-{
- int32_T hi;
- uint32_T test1;
- uint32_T test2;
- hi = (int32_T)(s / 127773U);
- test1 = 16807U * (s - (uint32_T)hi * 127773U);
- test2 = 2836U * (uint32_T)hi;
- if (test1 < test2) {
- *e_state = (test1 - test2) + 2147483647U;
- } else {
- *e_state = test1 - test2;
- }
-
- *r = (real_T)*e_state * 4.6566128752457969E-10;
-}
-
-static void twister_state_vector(uint32_T mt[625], real_T seed)
-{
- uint32_T r;
- int32_T mti;
- if (seed < 4.294967296E+9) {
- if (seed >= 0.0) {
- r = (uint32_T)seed;
- } else {
- r = 0U;
- }
- } else if (seed >= 4.294967296E+9) {
- r = MAX_uint32_T;
- } else {
- r = 0U;
- }
-
- mt[0] = r;
- for (mti = 0; mti < 623; mti++) {
- r = (r ^ r >> 30U) * 1812433253U + (uint32_T)(1 + mti);
- mt[1 + mti] = r;
- }
-
- mt[624] = 624U;
-}
-
-real_T randn(void)
-{
- real_T r;
- uint32_T e_state;
- real_T t;
- real_T b_r;
- uint32_T f_state;
- if (method == 0U) {
- if (b_method == 4U) {
- do {
- genrandu(b_state, &e_state, &r);
- genrandu(e_state, &b_state, &t);
- b_r = 2.0 * r - 1.0;
- t = 2.0 * t - 1.0;
- t = t * t + b_r * b_r;
- } while (!(t <= 1.0));
-
- r = (2.0 * r - 1.0) * sqrt(-2.0 * log(t) / t);
- } else if (b_method == 5U) {
- r = eml_rand_shr3cong(c_state);
- } else {
- if (!state_not_empty) {
- memset(&d_state[0], 0, 625U * sizeof(uint32_T));
- twister_state_vector(d_state, 5489.0);
- state_not_empty = TRUE;
- }
-
- r = eml_rand_mt19937ar(d_state);
- }
- } else if (method == 4U) {
- e_state = state[0];
- do {
- genrandu(e_state, &f_state, &r);
- genrandu(f_state, &e_state, &t);
- b_r = 2.0 * r - 1.0;
- t = 2.0 * t - 1.0;
- t = t * t + b_r * b_r;
- } while (!(t <= 1.0));
-
- state[0] = e_state;
- r = (2.0 * r - 1.0) * sqrt(-2.0 * log(t) / t);
- } else {
- r = eml_rand_shr3cong(state);
- }
-
- return r;
-}
-
-/* End of code generation (randn.c) */
diff --git a/src/modules/position_estimator_mc/codegen/randn.h b/src/modules/position_estimator_mc/codegen/randn.h deleted file mode 100755 index 8a2aa9277..000000000 --- a/src/modules/position_estimator_mc/codegen/randn.h +++ /dev/null @@ -1,33 +0,0 @@ -/*
- * randn.h
- *
- * Code generation for function 'randn'
- *
- * C source code generated on: Tue Feb 19 15:26:32 2013
- *
- */
-
-#ifndef __RANDN_H__
-#define __RANDN_H__
-/* Include files */
-#include <math.h>
-#include <stddef.h>
-#include <stdlib.h>
-#include <string.h>
-#include "rt_nonfinite.h"
-
-#include "rtwtypes.h"
-#include "kalman_dlqe3_types.h"
-
-/* Type Definitions */
-
-/* Named Constants */
-
-/* Variable Declarations */
-
-/* Variable Definitions */
-
-/* Function Declarations */
-extern real_T randn(void);
-#endif
-/* End of code generation (randn.h) */
diff --git a/src/modules/position_estimator_mc/codegen/rtGetInf.c b/src/modules/position_estimator_mc/codegen/rtGetInf.c deleted file mode 100755 index c6fa7884e..000000000 --- a/src/modules/position_estimator_mc/codegen/rtGetInf.c +++ /dev/null @@ -1,139 +0,0 @@ -/* - * rtGetInf.c - * - * Code generation for function 'kalman_dlqe2' - * - * C source code generated on: Thu Feb 14 12:52:29 2013 - * - */ - -/* - * Abstract: - * MATLAB for code generation function to initialize non-finite, Inf and MinusInf - */ -#include "rtGetInf.h" -#define NumBitsPerChar 8U - -/* Function: rtGetInf ================================================== - * Abstract: - * Initialize rtInf needed by the generated code. - * Inf is initialized as non-signaling. Assumes IEEE. - */ -real_T rtGetInf(void) -{ - size_t bitsPerReal = sizeof(real_T) * (NumBitsPerChar); - real_T inf = 0.0; - if (bitsPerReal == 32U) { - inf = rtGetInfF(); - } else { - uint16_T one = 1U; - enum { - LittleEndian, - BigEndian - } machByteOrder = (*((uint8_T *) &one) == 1U) ? LittleEndian : BigEndian; - switch (machByteOrder) { - case LittleEndian: - { - union { - LittleEndianIEEEDouble bitVal; - real_T fltVal; - } tmpVal; - - tmpVal.bitVal.words.wordH = 0x7FF00000U; - tmpVal.bitVal.words.wordL = 0x00000000U; - inf = tmpVal.fltVal; - break; - } - - case BigEndian: - { - union { - BigEndianIEEEDouble bitVal; - real_T fltVal; - } tmpVal; - - tmpVal.bitVal.words.wordH = 0x7FF00000U; - tmpVal.bitVal.words.wordL = 0x00000000U; - inf = tmpVal.fltVal; - break; - } - } - } - - return inf; -} - -/* Function: rtGetInfF ================================================== - * Abstract: - * Initialize rtInfF needed by the generated code. - * Inf is initialized as non-signaling. Assumes IEEE. - */ -real32_T rtGetInfF(void) -{ - IEEESingle infF; - infF.wordL.wordLuint = 0x7F800000U; - return infF.wordL.wordLreal; -} - -/* Function: rtGetMinusInf ================================================== - * Abstract: - * Initialize rtMinusInf needed by the generated code. - * Inf is initialized as non-signaling. Assumes IEEE. - */ -real_T rtGetMinusInf(void) -{ - size_t bitsPerReal = sizeof(real_T) * (NumBitsPerChar); - real_T minf = 0.0; - if (bitsPerReal == 32U) { - minf = rtGetMinusInfF(); - } else { - uint16_T one = 1U; - enum { - LittleEndian, - BigEndian - } machByteOrder = (*((uint8_T *) &one) == 1U) ? LittleEndian : BigEndian; - switch (machByteOrder) { - case LittleEndian: - { - union { - LittleEndianIEEEDouble bitVal; - real_T fltVal; - } tmpVal; - - tmpVal.bitVal.words.wordH = 0xFFF00000U; - tmpVal.bitVal.words.wordL = 0x00000000U; - minf = tmpVal.fltVal; - break; - } - - case BigEndian: - { - union { - BigEndianIEEEDouble bitVal; - real_T fltVal; - } tmpVal; - - tmpVal.bitVal.words.wordH = 0xFFF00000U; - tmpVal.bitVal.words.wordL = 0x00000000U; - minf = tmpVal.fltVal; - break; - } - } - } - - return minf; -} - -/* Function: rtGetMinusInfF ================================================== - * Abstract: - * Initialize rtMinusInfF needed by the generated code. - * Inf is initialized as non-signaling. Assumes IEEE. - */ -real32_T rtGetMinusInfF(void) -{ - IEEESingle minfF; - minfF.wordL.wordLuint = 0xFF800000U; - return minfF.wordL.wordLreal; -} - -/* End of code generation (rtGetInf.c) */ diff --git a/src/modules/position_estimator_mc/codegen/rtGetInf.h b/src/modules/position_estimator_mc/codegen/rtGetInf.h deleted file mode 100755 index e7b2a2d1c..000000000 --- a/src/modules/position_estimator_mc/codegen/rtGetInf.h +++ /dev/null @@ -1,23 +0,0 @@ -/* - * rtGetInf.h - * - * Code generation for function 'kalman_dlqe2' - * - * C source code generated on: Thu Feb 14 12:52:29 2013 - * - */ - -#ifndef __RTGETINF_H__ -#define __RTGETINF_H__ - -#include <stddef.h> -#include "rtwtypes.h" -#include "rt_nonfinite.h" - -extern real_T rtGetInf(void); -extern real32_T rtGetInfF(void); -extern real_T rtGetMinusInf(void); -extern real32_T rtGetMinusInfF(void); - -#endif -/* End of code generation (rtGetInf.h) */ diff --git a/src/modules/position_estimator_mc/codegen/rtGetNaN.c b/src/modules/position_estimator_mc/codegen/rtGetNaN.c deleted file mode 100755 index 552770149..000000000 --- a/src/modules/position_estimator_mc/codegen/rtGetNaN.c +++ /dev/null @@ -1,96 +0,0 @@ -/* - * rtGetNaN.c - * - * Code generation for function 'kalman_dlqe2' - * - * C source code generated on: Thu Feb 14 12:52:29 2013 - * - */ - -/* - * Abstract: - * MATLAB for code generation function to initialize non-finite, NaN - */ -#include "rtGetNaN.h" -#define NumBitsPerChar 8U - -/* Function: rtGetNaN ================================================== - * Abstract: - * Initialize rtNaN needed by the generated code. - * NaN is initialized as non-signaling. Assumes IEEE. - */ -real_T rtGetNaN(void) -{ - size_t bitsPerReal = sizeof(real_T) * (NumBitsPerChar); - real_T nan = 0.0; - if (bitsPerReal == 32U) { - nan = rtGetNaNF(); - } else { - uint16_T one = 1U; - enum { - LittleEndian, - BigEndian - } machByteOrder = (*((uint8_T *) &one) == 1U) ? LittleEndian : BigEndian; - switch (machByteOrder) { - case LittleEndian: - { - union { - LittleEndianIEEEDouble bitVal; - real_T fltVal; - } tmpVal; - - tmpVal.bitVal.words.wordH = 0xFFF80000U; - tmpVal.bitVal.words.wordL = 0x00000000U; - nan = tmpVal.fltVal; - break; - } - - case BigEndian: - { - union { - BigEndianIEEEDouble bitVal; - real_T fltVal; - } tmpVal; - - tmpVal.bitVal.words.wordH = 0x7FFFFFFFU; - tmpVal.bitVal.words.wordL = 0xFFFFFFFFU; - nan = tmpVal.fltVal; - break; - } - } - } - - return nan; -} - -/* Function: rtGetNaNF ================================================== - * Abstract: - * Initialize rtNaNF needed by the generated code. - * NaN is initialized as non-signaling. Assumes IEEE. - */ -real32_T rtGetNaNF(void) -{ - IEEESingle nanF = { { 0 } }; - uint16_T one = 1U; - enum { - LittleEndian, - BigEndian - } machByteOrder = (*((uint8_T *) &one) == 1U) ? LittleEndian : BigEndian; - switch (machByteOrder) { - case LittleEndian: - { - nanF.wordL.wordLuint = 0xFFC00000U; - break; - } - - case BigEndian: - { - nanF.wordL.wordLuint = 0x7FFFFFFFU; - break; - } - } - - return nanF.wordL.wordLreal; -} - -/* End of code generation (rtGetNaN.c) */ diff --git a/src/modules/position_estimator_mc/codegen/rtGetNaN.h b/src/modules/position_estimator_mc/codegen/rtGetNaN.h deleted file mode 100755 index 5acdd9790..000000000 --- a/src/modules/position_estimator_mc/codegen/rtGetNaN.h +++ /dev/null @@ -1,21 +0,0 @@ -/* - * rtGetNaN.h - * - * Code generation for function 'kalman_dlqe2' - * - * C source code generated on: Thu Feb 14 12:52:29 2013 - * - */ - -#ifndef __RTGETNAN_H__ -#define __RTGETNAN_H__ - -#include <stddef.h> -#include "rtwtypes.h" -#include "rt_nonfinite.h" - -extern real_T rtGetNaN(void); -extern real32_T rtGetNaNF(void); - -#endif -/* End of code generation (rtGetNaN.h) */ diff --git a/src/modules/position_estimator_mc/codegen/rt_nonfinite.c b/src/modules/position_estimator_mc/codegen/rt_nonfinite.c deleted file mode 100755 index de121c4a0..000000000 --- a/src/modules/position_estimator_mc/codegen/rt_nonfinite.c +++ /dev/null @@ -1,87 +0,0 @@ -/* - * rt_nonfinite.c - * - * Code generation for function 'kalman_dlqe2' - * - * C source code generated on: Thu Feb 14 12:52:29 2013 - * - */ - -/* - * Abstract: - * MATLAB for code generation function to initialize non-finites, - * (Inf, NaN and -Inf). - */ -#include "rt_nonfinite.h" -#include "rtGetNaN.h" -#include "rtGetInf.h" - -real_T rtInf; -real_T rtMinusInf; -real_T rtNaN; -real32_T rtInfF; -real32_T rtMinusInfF; -real32_T rtNaNF; - -/* Function: rt_InitInfAndNaN ================================================== - * Abstract: - * Initialize the rtInf, rtMinusInf, and rtNaN needed by the - * generated code. NaN is initialized as non-signaling. Assumes IEEE. - */ -void rt_InitInfAndNaN(size_t realSize) -{ - (void) (realSize); - rtNaN = rtGetNaN(); - rtNaNF = rtGetNaNF(); - rtInf = rtGetInf(); - rtInfF = rtGetInfF(); - rtMinusInf = rtGetMinusInf(); - rtMinusInfF = rtGetMinusInfF(); -} - -/* Function: rtIsInf ================================================== - * Abstract: - * Test if value is infinite - */ -boolean_T rtIsInf(real_T value) -{ - return ((value==rtInf || value==rtMinusInf) ? 1U : 0U); -} - -/* Function: rtIsInfF ================================================= - * Abstract: - * Test if single-precision value is infinite - */ -boolean_T rtIsInfF(real32_T value) -{ - return(((value)==rtInfF || (value)==rtMinusInfF) ? 1U : 0U); -} - -/* Function: rtIsNaN ================================================== - * Abstract: - * Test if value is not a number - */ -boolean_T rtIsNaN(real_T value) -{ -#if defined(_MSC_VER) && (_MSC_VER <= 1200) - return _isnan(value)? TRUE:FALSE; -#else - return (value!=value)? 1U:0U; -#endif -} - -/* Function: rtIsNaNF ================================================= - * Abstract: - * Test if single-precision value is not a number - */ -boolean_T rtIsNaNF(real32_T value) -{ -#if defined(_MSC_VER) && (_MSC_VER <= 1200) - return _isnan((real_T)value)? true:false; -#else - return (value!=value)? 1U:0U; -#endif -} - - -/* End of code generation (rt_nonfinite.c) */ diff --git a/src/modules/position_estimator_mc/codegen/rt_nonfinite.h b/src/modules/position_estimator_mc/codegen/rt_nonfinite.h deleted file mode 100755 index 3bbcfd087..000000000 --- a/src/modules/position_estimator_mc/codegen/rt_nonfinite.h +++ /dev/null @@ -1,53 +0,0 @@ -/* - * rt_nonfinite.h - * - * Code generation for function 'kalman_dlqe2' - * - * C source code generated on: Thu Feb 14 12:52:29 2013 - * - */ - -#ifndef __RT_NONFINITE_H__ -#define __RT_NONFINITE_H__ - -#if defined(_MSC_VER) && (_MSC_VER <= 1200) -#include <float.h> -#endif -#include <stddef.h> -#include "rtwtypes.h" - -extern real_T rtInf; -extern real_T rtMinusInf; -extern real_T rtNaN; -extern real32_T rtInfF; -extern real32_T rtMinusInfF; -extern real32_T rtNaNF; -extern void rt_InitInfAndNaN(size_t realSize); -extern boolean_T rtIsInf(real_T value); -extern boolean_T rtIsInfF(real32_T value); -extern boolean_T rtIsNaN(real_T value); -extern boolean_T rtIsNaNF(real32_T value); - -typedef struct { - struct { - uint32_T wordH; - uint32_T wordL; - } words; -} BigEndianIEEEDouble; - -typedef struct { - struct { - uint32_T wordL; - uint32_T wordH; - } words; -} LittleEndianIEEEDouble; - -typedef struct { - union { - real32_T wordLreal; - uint32_T wordLuint; - } wordL; -} IEEESingle; - -#endif -/* End of code generation (rt_nonfinite.h) */ diff --git a/src/modules/position_estimator_mc/codegen/rtwtypes.h b/src/modules/position_estimator_mc/codegen/rtwtypes.h deleted file mode 100755 index 8916e8572..000000000 --- a/src/modules/position_estimator_mc/codegen/rtwtypes.h +++ /dev/null @@ -1,159 +0,0 @@ -/* - * rtwtypes.h - * - * Code generation for function 'kalman_dlqe2' - * - * C source code generated on: Thu Feb 14 12:52:29 2013 - * - */ - -#ifndef __RTWTYPES_H__ -#define __RTWTYPES_H__ -#ifndef TRUE -# define TRUE (1U) -#endif -#ifndef FALSE -# define FALSE (0U) -#endif -#ifndef __TMWTYPES__ -#define __TMWTYPES__ - -#include <limits.h> - -/*=======================================================================* - * Target hardware information - * Device type: Generic->MATLAB Host Computer - * Number of bits: char: 8 short: 16 int: 32 - * long: 32 native word size: 32 - * Byte ordering: LittleEndian - * Signed integer division rounds to: Undefined - * Shift right on a signed integer as arithmetic shift: off - *=======================================================================*/ - -/*=======================================================================* - * Fixed width word size data types: * - * int8_T, int16_T, int32_T - signed 8, 16, or 32 bit integers * - * uint8_T, uint16_T, uint32_T - unsigned 8, 16, or 32 bit integers * - * real32_T, real64_T - 32 and 64 bit floating point numbers * - *=======================================================================*/ - -typedef signed char int8_T; -typedef unsigned char uint8_T; -typedef short int16_T; -typedef unsigned short uint16_T; -typedef int int32_T; -typedef unsigned int uint32_T; -typedef float real32_T; -typedef double real64_T; - -/*===========================================================================* - * Generic type definitions: real_T, time_T, boolean_T, int_T, uint_T, * - * ulong_T, char_T and byte_T. * - *===========================================================================*/ - -typedef double real_T; -typedef double time_T; -typedef unsigned char boolean_T; -typedef int int_T; -typedef unsigned int uint_T; -typedef unsigned long ulong_T; -typedef char char_T; -typedef char_T byte_T; - -/*===========================================================================* - * Complex number type definitions * - *===========================================================================*/ -#define CREAL_T - typedef struct { - real32_T re; - real32_T im; - } creal32_T; - - typedef struct { - real64_T re; - real64_T im; - } creal64_T; - - typedef struct { - real_T re; - real_T im; - } creal_T; - - typedef struct { - int8_T re; - int8_T im; - } cint8_T; - - typedef struct { - uint8_T re; - uint8_T im; - } cuint8_T; - - typedef struct { - int16_T re; - int16_T im; - } cint16_T; - - typedef struct { - uint16_T re; - uint16_T im; - } cuint16_T; - - typedef struct { - int32_T re; - int32_T im; - } cint32_T; - - typedef struct { - uint32_T re; - uint32_T im; - } cuint32_T; - - -/*=======================================================================* - * Min and Max: * - * int8_T, int16_T, int32_T - signed 8, 16, or 32 bit integers * - * uint8_T, uint16_T, uint32_T - unsigned 8, 16, or 32 bit integers * - *=======================================================================*/ - -#define MAX_int8_T ((int8_T)(127)) -#define MIN_int8_T ((int8_T)(-128)) -#define MAX_uint8_T ((uint8_T)(255)) -#define MIN_uint8_T ((uint8_T)(0)) -#define MAX_int16_T ((int16_T)(32767)) -#define MIN_int16_T ((int16_T)(-32768)) -#define MAX_uint16_T ((uint16_T)(65535)) -#define MIN_uint16_T ((uint16_T)(0)) -#define MAX_int32_T ((int32_T)(2147483647)) -#define MIN_int32_T ((int32_T)(-2147483647-1)) -#define MAX_uint32_T ((uint32_T)(0xFFFFFFFFU)) -#define MIN_uint32_T ((uint32_T)(0)) - -/* Logical type definitions */ -#if !defined(__cplusplus) && !defined(__true_false_are_keywords) -# ifndef false -# define false (0U) -# endif -# ifndef true -# define true (1U) -# endif -#endif - -/* - * MATLAB for code generation assumes the code is compiled on a target using a 2's compliment representation - * for signed integer values. - */ -#if ((SCHAR_MIN + 1) != -SCHAR_MAX) -#error "This code must be compiled using a 2's complement representation for signed integer values" -#endif - -/* - * Maximum length of a MATLAB identifier (function/variable) - * including the null-termination character. Referenced by - * rt_logging.c and rt_matrx.c. - */ -#define TMW_NAME_LENGTH_MAX 64 - -#endif -#endif -/* End of code generation (rtwtypes.h) */ diff --git a/src/modules/position_estimator_mc/kalman_dlqe1.m b/src/modules/position_estimator_mc/kalman_dlqe1.m deleted file mode 100755 index ff939d029..000000000 --- a/src/modules/position_estimator_mc/kalman_dlqe1.m +++ /dev/null @@ -1,3 +0,0 @@ -function [x_aposteriori] = kalman_dlqe1(A,C,K,x_aposteriori_k,z) - x_aposteriori=A*x_aposteriori_k+K*(z-C*A*x_aposteriori_k); -end
\ No newline at end of file diff --git a/src/modules/position_estimator_mc/kalman_dlqe2.m b/src/modules/position_estimator_mc/kalman_dlqe2.m deleted file mode 100755 index 2a50164ef..000000000 --- a/src/modules/position_estimator_mc/kalman_dlqe2.m +++ /dev/null @@ -1,9 +0,0 @@ -function [x_aposteriori] = kalman_dlqe2(dt,k1,k2,k3,x_aposteriori_k,z) - st = 1/2*dt^2; - A = [1,dt,st; - 0,1,dt; - 0,0,1]; - C=[1,0,0]; - K = [k1;k2;k3]; - x_aposteriori=A*x_aposteriori_k+K*(z-C*A*x_aposteriori_k); -end
\ No newline at end of file diff --git a/src/modules/position_estimator_mc/kalman_dlqe3.m b/src/modules/position_estimator_mc/kalman_dlqe3.m deleted file mode 100755 index 4c6421b7f..000000000 --- a/src/modules/position_estimator_mc/kalman_dlqe3.m +++ /dev/null @@ -1,17 +0,0 @@ -function [x_aposteriori] = kalman_dlqe3(dt,k1,k2,k3,x_aposteriori_k,z,posUpdate,addNoise,sigma)
- st = 1/2*dt^2;
- A = [1,dt,st;
- 0,1,dt;
- 0,0,1];
- C=[1,0,0];
- K = [k1;k2;k3];
- if addNoise==1
- noise = sigma*randn(1,1);
- z = z + noise;
- end
- if(posUpdate)
- x_aposteriori=A*x_aposteriori_k+K*(z-C*A*x_aposteriori_k);
- else
- x_aposteriori=A*x_aposteriori_k;
- end
-end
\ No newline at end of file diff --git a/src/modules/position_estimator_mc/module.mk b/src/modules/position_estimator_mc/module.mk deleted file mode 100644 index 40b135ea4..000000000 --- a/src/modules/position_estimator_mc/module.mk +++ /dev/null @@ -1,60 +0,0 @@ -############################################################################ -# -# Copyright (c) 2012, 2013 PX4 Development Team. All rights reserved. -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions -# are met: -# -# 1. Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# 2. Redistributions in binary form must reproduce the above copyright -# notice, this list of conditions and the following disclaimer in -# the documentation and/or other materials provided with the -# distribution. -# 3. Neither the name PX4 nor the names of its contributors may be -# used to endorse or promote products derived from this software -# without specific prior written permission. -# -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS -# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE -# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, -# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, -# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS -# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED -# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN -# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -# POSSIBILITY OF SUCH DAMAGE. -# -############################################################################ - -# -# Makefile to build the position estimator -# - -MODULE_COMMAND = position_estimator_mc - -SRCS = position_estimator_mc_main.c \ - position_estimator_mc_params.c \ - codegen/positionKalmanFilter1D_initialize.c \ - codegen/positionKalmanFilter1D_terminate.c \ - codegen/positionKalmanFilter1D.c \ - codegen/rt_nonfinite.c \ - codegen/rtGetInf.c \ - codegen/rtGetNaN.c \ - codegen/positionKalmanFilter1D_dT_initialize.c \ - codegen/positionKalmanFilter1D_dT_terminate.c \ - codegen/kalman_dlqe1.c \ - codegen/kalman_dlqe1_initialize.c \ - codegen/kalman_dlqe1_terminate.c \ - codegen/kalman_dlqe2.c \ - codegen/kalman_dlqe2_initialize.c \ - codegen/kalman_dlqe2_terminate.c \ - codegen/kalman_dlqe3.c \ - codegen/kalman_dlqe3_initialize.c \ - codegen/kalman_dlqe3_terminate.c \ - codegen/kalman_dlqe3_data.c \ - codegen/randn.c diff --git a/src/modules/position_estimator_mc/positionKalmanFilter1D.m b/src/modules/position_estimator_mc/positionKalmanFilter1D.m deleted file mode 100755 index 144ff8c7c..000000000 --- a/src/modules/position_estimator_mc/positionKalmanFilter1D.m +++ /dev/null @@ -1,19 +0,0 @@ -function [x_aposteriori,P_aposteriori]=positionKalmanFilter1D(A,B,C,x_aposteriori_k,P_aposteriori_k,u,z,gps_update,Q,R,thresh,decay) -%prediction - x_apriori=A*x_aposteriori_k+B*u; - P_apriori=A*P_aposteriori_k*A'+Q; - if abs(u)<thresh - x_apriori(2)=decay*x_apriori(2); - end - %update - if gps_update==1 - y=z-C*x_apriori; - S=C*P_apriori*C'+R; - K=(P_apriori*C')/S; - x_aposteriori=x_apriori+K*y; - P_aposteriori=(eye(size(P_apriori))-K*C)*P_apriori; - else - x_aposteriori=x_apriori; - P_aposteriori=P_apriori; - end -end diff --git a/src/modules/position_estimator_mc/positionKalmanFilter1D_dT.m b/src/modules/position_estimator_mc/positionKalmanFilter1D_dT.m deleted file mode 100755 index f94cce1fb..000000000 --- a/src/modules/position_estimator_mc/positionKalmanFilter1D_dT.m +++ /dev/null @@ -1,26 +0,0 @@ -function [x_aposteriori,P_aposteriori]=positionKalmanFilter1D_dT(dT,x_aposteriori_k,P_aposteriori_k,u,z,gps_update,Q,R,thresh,decay) - %dynamics - A = [1 dT -0.5*dT*dT; - 0 1 -dT; - 0 0 1]; - B = [0.5*dT*dT; dT; 0]; - C = [1 0 0]; - %prediction - x_apriori=A*x_aposteriori_k+B*u; - P_apriori=A*P_aposteriori_k*A'+Q; - if abs(u)<thresh - x_apriori(2)=decay*x_apriori(2); - end - %update - if gps_update==1 - y=z-C*x_apriori; - S=C*P_apriori*C'+R; - K=(P_apriori*C')/S; - x_aposteriori=x_apriori+K*y; - P_aposteriori=(eye(size(P_apriori))-K*C)*P_apriori; - else - x_aposteriori=x_apriori; - P_aposteriori=P_apriori; - end -end - diff --git a/src/modules/position_estimator_mc/position_estimator_mc_main.c b/src/modules/position_estimator_mc/position_estimator_mc_main.c deleted file mode 100755 index 363961819..000000000 --- a/src/modules/position_estimator_mc/position_estimator_mc_main.c +++ /dev/null @@ -1,515 +0,0 @@ -/**************************************************************************** - * - * Copyright (C) 2008-2012 PX4 Development Team. All rights reserved. - * Author: Damian Aregger <daregger@student.ethz.ch> - * Tobias Naegeli <naegelit@student.ethz.ch> -* Lorenz Meier <lm@inf.ethz.ch> - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name PX4 nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/** - * @file position_estimator_main.c - * Model-identification based position estimator for multirotors - */ - -#include <unistd.h> -#include <stdlib.h> -#include <stdio.h> -#include <stdbool.h> -#include <fcntl.h> -#include <float.h> -#include <string.h> -#include <nuttx/config.h> -#include <nuttx/sched.h> -#include <sys/prctl.h> -#include <termios.h> -#include <errno.h> -#include <limits.h> -#include <math.h> -#include <uORB/uORB.h> -#include <uORB/topics/sensor_combined.h> -#include <uORB/topics/parameter_update.h> -#include <uORB/topics/vehicle_attitude.h> -#include <uORB/topics/actuator_outputs.h> -#include <uORB/topics/actuator_controls_effective.h> -#include <uORB/topics/vehicle_status.h> -#include <uORB/topics/vehicle_vicon_position.h> -#include <uORB/topics/vehicle_local_position.h> -#include <uORB/topics/vehicle_global_position.h> -#include <uORB/topics/vehicle_local_position_setpoint.h> -#include <uORB/topics/vehicle_gps_position.h> -#include <mavlink/mavlink_log.h> -#include <poll.h> -#include <systemlib/geo/geo.h> -#include <systemlib/err.h> -#include <systemlib/systemlib.h> - -#include <drivers/drv_hrt.h> - -#include "position_estimator_mc_params.h" -//#include <uORB/topics/debug_key_value.h> -#include "codegen/kalman_dlqe2.h" -#include "codegen/kalman_dlqe2_initialize.h" -#include "codegen/kalman_dlqe3.h" -#include "codegen/kalman_dlqe3_initialize.h" - -static bool thread_should_exit = false; /**< Deamon exit flag */ -static bool thread_running = false; /**< Deamon status flag */ -static int position_estimator_mc_task; /**< Handle of deamon task / thread */ - -__EXPORT int position_estimator_mc_main(int argc, char *argv[]); - -int position_estimator_mc_thread_main(int argc, char *argv[]); -/** - * Print the correct usage. - */ -static void usage(const char *reason); - -static void -usage(const char *reason) -{ - if (reason) - warnx("%s\n", reason); - warnx("usage: position_estimator_mc {start|stop|status}"); - exit(1); -} - -/** - * The position_estimator_mc_thread only briefly exists to start - * the background job. The stack size assigned in the - * Makefile does only apply to this management task. - * - * The actual stack size should be set in the call - * to task_create(). - */ -int position_estimator_mc_main(int argc, char *argv[]) -{ - if (argc < 1) - usage("missing command"); - - if (!strcmp(argv[1], "start")) { - - if (thread_running) { - printf("position_estimator_mc already running\n"); - /* this is not an error */ - exit(0); - } - - thread_should_exit = false; - position_estimator_mc_task = task_spawn_cmd("position_estimator_mc", - SCHED_RR, - SCHED_PRIORITY_MAX - 5, - 4096, - position_estimator_mc_thread_main, - (argv) ? (const char **)&argv[2] : (const char **)NULL); - exit(0); - } - if (!strcmp(argv[1], "stop")) { - thread_should_exit = true; - exit(0); - } - - if (!strcmp(argv[1], "status")) { - if (thread_running) { - warnx("position_estimator_mc is running"); - } else { - warnx("position_estimator_mc not started"); - } - exit(0); - } - - usage("unrecognized command"); - exit(1); -} - -/**************************************************************************** - * main - ****************************************************************************/ -int position_estimator_mc_thread_main(int argc, char *argv[]) -{ - /* welcome user */ - warnx("[position_estimator_mc] started"); - int mavlink_fd; - mavlink_fd = open(MAVLINK_LOG_DEVICE, 0); - mavlink_log_info(mavlink_fd, "[position_estimator_mc] started"); - - /* initialize values */ - float z[3] = {0, 0, 0}; /* output variables from tangent plane mapping */ - // float rotMatrix[4] = {1.0f, 0.0f, 0.0f, 1.0f}; - float x_x_aposteriori_k[3] = {1.0f, 0.0f, 0.0f}; - float x_y_aposteriori_k[3] = {1.0f, 0.0f, 0.0f}; - float x_z_aposteriori_k[3] = {1.0f, 0.0f, 0.0f}; - float x_x_aposteriori[3] = {0.0f, 0.0f, 0.0f}; - float x_y_aposteriori[3] = {1.0f, 0.0f, 0.0f}; - float x_z_aposteriori[3] = {1.0f, 0.0f, 0.0f}; - - // XXX this is terribly wrong and should actual dT instead - const float dT_const_50 = 1.0f/50.0f; - - float addNoise = 0.0f; - float sigma = 0.0f; - //computed from dlqe in matlab - const float K_vicon_50Hz[3] = {0.5297f, 0.9873f, 0.9201f}; - // XXX implement baro filter - const float K_baro[3] = {0.0248f, 0.0377f, 0.0287f}; - float K[3] = {0.0f, 0.0f, 0.0f}; - int baro_loop_cnt = 0; - int baro_loop_end = 70; /* measurement for 1 second */ - float p0_Pa = 0.0f; /* to determin while start up */ - float rho0 = 1.293f; /* standard pressure */ - const float const_earth_gravity = 9.81f; - - float posX = 0.0f; - float posY = 0.0f; - float posZ = 0.0f; - - double lat_current; - double lon_current; - float alt_current; - - float gps_origin_altitude = 0.0f; - - /* Initialize filter */ - kalman_dlqe2_initialize(); - kalman_dlqe3_initialize(); - - /* declare and safely initialize all structs */ - struct sensor_combined_s sensor; - memset(&sensor, 0, sizeof(sensor)); - struct vehicle_attitude_s att; - memset(&att, 0, sizeof(att)); - struct vehicle_status_s vehicle_status; - memset(&vehicle_status, 0, sizeof(vehicle_status)); /* make sure that baroINITdone = false */ - struct vehicle_vicon_position_s vicon_pos; - memset(&vicon_pos, 0, sizeof(vicon_pos)); - struct actuator_controls_effective_s act_eff; - memset(&act_eff, 0, sizeof(act_eff)); - struct vehicle_gps_position_s gps; - memset(&gps, 0, sizeof(gps)); - struct vehicle_local_position_s local_pos_est; - memset(&local_pos_est, 0, sizeof(local_pos_est)); - struct vehicle_global_position_s global_pos_est; - memset(&global_pos_est, 0, sizeof(global_pos_est)); - - /* subscribe */ - int sensor_sub = orb_subscribe(ORB_ID(sensor_combined)); - int sub_params = orb_subscribe(ORB_ID(parameter_update)); - int vehicle_attitude_sub = orb_subscribe(ORB_ID(vehicle_attitude)); - int vicon_pos_sub = orb_subscribe(ORB_ID(vehicle_vicon_position)); - int actuator_eff_sub = orb_subscribe(ORB_ID(actuator_controls_effective_0)); - int vehicle_gps_sub = orb_subscribe(ORB_ID(vehicle_gps_position)); - int vehicle_status_sub = orb_subscribe(ORB_ID(vehicle_status)); - - /* advertise */ - orb_advert_t local_pos_est_pub = 0; - orb_advert_t global_pos_est_pub = 0; - - struct position_estimator_mc_params pos1D_params; - struct position_estimator_mc_param_handles pos1D_param_handles; - /* initialize parameter handles */ - parameters_init(&pos1D_param_handles); - - bool flag_use_gps = false; - bool flag_use_baro = false; - bool flag_baro_initialized = false; /* in any case disable baroINITdone */ - /* FIRST PARAMETER READ at START UP*/ - struct parameter_update_s update; - orb_copy(ORB_ID(parameter_update), sub_params, &update); /* read from param to clear updated flag */ - /* FIRST PARAMETER UPDATE */ - parameters_update(&pos1D_param_handles, &pos1D_params); - flag_use_baro = pos1D_params.baro; - sigma = pos1D_params.sigma; - addNoise = pos1D_params.addNoise; - /* END FIRST PARAMETER UPDATE */ - - /* try to grab a vicon message - if it fails, go for GPS. */ - - /* make sure the next orb_check() can't return true unless we get a timely update */ - orb_copy(ORB_ID(vehicle_vicon_position), vicon_pos_sub, &vicon_pos); - /* allow 200 ms for vicon to come in */ - usleep(200000); - /* check if we got vicon */ - bool update_check; - orb_check(vicon_pos_sub, &update_check); - /* if no update was available, use GPS */ - flag_use_gps = !update_check; - - if (flag_use_gps) { - mavlink_log_info(mavlink_fd, "[pos_est_mc] GPS locked"); - /* wait until gps signal turns valid, only then can we initialize the projection */ - - // XXX magic number - float hdop_threshold_m = 4.0f; - float vdop_threshold_m = 8.0f; - - /* - * If horizontal dilution of precision (hdop / eph) - * and vertical diluation of precision (vdop / epv) - * are below a certain threshold (e.g. 4 m), AND - * home position is not yet set AND the last GPS - * GPS measurement is not older than two seconds AND - * the system is currently not armed, set home - * position to the current position. - */ - - while (!(gps.fix_type == 3 - && (gps.eph_m < hdop_threshold_m) - && (gps.epv_m < vdop_threshold_m) - && (hrt_absolute_time() - gps.timestamp_position < 2000000))) { - - struct pollfd fds1[2] = { - { .fd = vehicle_gps_sub, .events = POLLIN }, - { .fd = sub_params, .events = POLLIN }, - }; - - /* wait for GPS updates, BUT READ VEHICLE STATUS (!) - * this choice is critical, since the vehicle status might not - * actually change, if this app is started after GPS lock was - * aquired. - */ - if (poll(fds1, 2, 5000)) { - if (fds1[0].revents & POLLIN){ - /* Read gps position */ - orb_copy(ORB_ID(vehicle_gps_position), vehicle_gps_sub, &gps); - } - if (fds1[1].revents & POLLIN){ - /* Read out parameters to check for an update there, e.g. useGPS variable */ - /* read from param to clear updated flag */ - struct parameter_update_s updated; - orb_copy(ORB_ID(parameter_update), sub_params, &updated); - /* update parameters */ - parameters_update(&pos1D_param_handles, &pos1D_params); - } - } - static int printcounter = 0; - if (printcounter == 100) { - printcounter = 0; - warnx("[pos_est_mc] wait for GPS fix"); - } - printcounter++; - } - - /* get gps value for first initialization */ - orb_copy(ORB_ID(vehicle_gps_position), vehicle_gps_sub, &gps); - lat_current = ((double)(gps.lat)) * 1e-7d; - lon_current = ((double)(gps.lon)) * 1e-7d; - alt_current = gps.alt * 1e-3f; - gps_origin_altitude = alt_current; - /* initialize coordinates */ - map_projection_init(lat_current, lon_current); - /* publish global position messages only after first GPS message */ - printf("[pos_est_mc] initialized projection with: lat: %.10f, lon:%.10f\n", lat_current, lon_current); - - } else { - mavlink_log_info(mavlink_fd, "[pos_est_mc] I'm NOT using GPS - I use VICON"); - /* onboard calculated position estimations */ - } - thread_running = true; - - struct pollfd fds2[3] = { - { .fd = vehicle_gps_sub, .events = POLLIN }, - { .fd = vicon_pos_sub, .events = POLLIN }, - { .fd = sub_params, .events = POLLIN }, - }; - - bool vicon_updated = false; - bool gps_updated = false; - - /**< main_loop */ - while (!thread_should_exit) { - int ret = poll(fds2, 3, 20); //wait maximal this 20 ms = 50 Hz minimum rate - if (ret < 0) { - /* poll error */ - } else { - if (fds2[2].revents & POLLIN){ - /* new parameter */ - /* read from param to clear updated flag */ - struct parameter_update_s updated; - orb_copy(ORB_ID(parameter_update), sub_params, &updated); - /* update parameters */ - parameters_update(&pos1D_param_handles, &pos1D_params); - flag_use_baro = pos1D_params.baro; - sigma = pos1D_params.sigma; - addNoise = pos1D_params.addNoise; - } - vicon_updated = false; /* default is no vicon_updated */ - if (fds2[1].revents & POLLIN) { - /* new vicon position */ - orb_copy(ORB_ID(vehicle_vicon_position), vicon_pos_sub, &vicon_pos); - posX = vicon_pos.x; - posY = vicon_pos.y; - posZ = vicon_pos.z; - vicon_updated = true; /* set flag for vicon update */ - } /* end of poll call for vicon updates */ - gps_updated = false; - if (fds2[0].revents & POLLIN) { - /* new GPS value */ - orb_copy(ORB_ID(vehicle_gps_position), vehicle_gps_sub, &gps); - /* Project gps lat lon (Geographic coordinate system) to plane*/ - map_projection_project(((double)(gps.lat)) * 1e-7d, ((double)(gps.lon)) * 1e-7d, &(z[0]), &(z[1])); - posX = z[0]; - posY = z[1]; - posZ = (float)(gps.alt * 1e-3f); - gps_updated = true; - } - - /* Main estimator loop */ - orb_copy(ORB_ID(actuator_controls_effective_0), actuator_eff_sub, &act_eff); - orb_copy(ORB_ID(vehicle_attitude), vehicle_attitude_sub, &att); - orb_copy(ORB_ID(vehicle_status), vehicle_status_sub, &vehicle_status); - orb_copy(ORB_ID(sensor_combined), sensor_sub, &sensor); - // barometric pressure estimation at start up - if (!flag_baro_initialized){ - // mean calculation over several measurements - if (baro_loop_cnt<baro_loop_end) { - p0_Pa += (sensor.baro_pres_mbar*100); - baro_loop_cnt++; - } else { - p0_Pa /= (float)(baro_loop_cnt); - flag_baro_initialized = true; - char *baro_m_start = "barometer initialized with p0 = "; - char p0_char[15]; - sprintf(p0_char, "%8.2f", (double)(p0_Pa/100)); - char *baro_m_end = " mbar"; - char str[80]; - strcpy(str,baro_m_start); - strcat(str,p0_char); - strcat(str,baro_m_end); - mavlink_log_info(mavlink_fd, str); - } - } - if (flag_use_gps) { - /* initialize map projection with the last estimate (not at full rate) */ - if (gps.fix_type > 2) { - /* x-y-position/velocity estimation in earth frame = gps frame */ - kalman_dlqe3(dT_const_50,K_vicon_50Hz[0],K_vicon_50Hz[1],K_vicon_50Hz[2],x_x_aposteriori_k,posX,gps_updated,0.0f,0.0f,x_x_aposteriori); - memcpy(x_x_aposteriori_k, x_x_aposteriori, sizeof(x_x_aposteriori)); - kalman_dlqe3(dT_const_50,K_vicon_50Hz[0],K_vicon_50Hz[1],K_vicon_50Hz[2],x_y_aposteriori_k,posY,gps_updated,0.0f,0.0f,x_y_aposteriori); - memcpy(x_y_aposteriori_k, x_y_aposteriori, sizeof(x_y_aposteriori)); - /* z-position/velocity estimation in earth frame = vicon frame */ - float z_est = 0.0f; - if (flag_baro_initialized && flag_use_baro) { - z_est = -p0_Pa*logf(p0_Pa/(sensor.baro_pres_mbar*100))/(rho0*const_earth_gravity); - K[0] = K_vicon_50Hz[0]; - K[1] = K_vicon_50Hz[1]; - K[2] = K_vicon_50Hz[2]; - gps_updated = 1.0f; /* always enable the update, cause baro update = 200 Hz */ - } else { - z_est = posZ; - K[0] = K_vicon_50Hz[0]; - K[1] = K_vicon_50Hz[1]; - K[2] = K_vicon_50Hz[2]; - } - - kalman_dlqe3(dT_const_50,K[0],K[1],K[2],x_z_aposteriori_k,z_est,gps_updated,0.0f,0.0f,x_z_aposteriori); - memcpy(x_z_aposteriori_k, x_z_aposteriori, sizeof(x_z_aposteriori)); - local_pos_est.x = x_x_aposteriori_k[0]; - local_pos_est.vx = x_x_aposteriori_k[1]; - local_pos_est.y = x_y_aposteriori_k[0]; - local_pos_est.vy = x_y_aposteriori_k[1]; - local_pos_est.z = x_z_aposteriori_k[0]; - local_pos_est.vz = x_z_aposteriori_k[1]; - local_pos_est.timestamp = hrt_absolute_time(); - if ((isfinite(x_x_aposteriori_k[0])) && (isfinite(x_x_aposteriori_k[1])) && (isfinite(x_y_aposteriori_k[0])) && (isfinite(x_y_aposteriori_k[1])) && (isfinite(x_z_aposteriori_k[0])) && (isfinite(x_z_aposteriori_k[1]))) { - /* publish local position estimate */ - if (local_pos_est_pub > 0) { - orb_publish(ORB_ID(vehicle_local_position), local_pos_est_pub, &local_pos_est); - } else { - local_pos_est_pub = orb_advertise(ORB_ID(vehicle_local_position), &local_pos_est); - } - /* publish on GPS updates */ - if (gps_updated) { - - double lat, lon; - float alt = z_est + gps_origin_altitude; - - map_projection_reproject(local_pos_est.x, local_pos_est.y, &lat, &lon); - - global_pos_est.lat = lat; - global_pos_est.lon = lon; - global_pos_est.alt = alt; - - if (global_pos_est_pub > 0) { - orb_publish(ORB_ID(vehicle_global_position), global_pos_est_pub, &global_pos_est); - } else { - global_pos_est_pub = orb_advertise(ORB_ID(vehicle_global_position), &global_pos_est); - } - } - } - } - } else { - /* x-y-position/velocity estimation in earth frame = vicon frame */ - kalman_dlqe3(dT_const_50,K_vicon_50Hz[0],K_vicon_50Hz[1],K_vicon_50Hz[2],x_x_aposteriori_k,posX,vicon_updated,addNoise,sigma,x_x_aposteriori); - memcpy(x_x_aposteriori_k, x_x_aposteriori, sizeof(x_x_aposteriori)); - kalman_dlqe3(dT_const_50,K_vicon_50Hz[0],K_vicon_50Hz[1],K_vicon_50Hz[2],x_y_aposteriori_k,posY,vicon_updated,addNoise,sigma,x_y_aposteriori); - memcpy(x_y_aposteriori_k, x_y_aposteriori, sizeof(x_y_aposteriori)); - /* z-position/velocity estimation in earth frame = vicon frame */ - float z_est = 0.0f; - float local_sigma = 0.0f; - if (flag_baro_initialized && flag_use_baro) { - z_est = -p0_Pa*logf(p0_Pa/(sensor.baro_pres_mbar*100.0f))/(rho0*const_earth_gravity); - K[0] = K_vicon_50Hz[0]; - K[1] = K_vicon_50Hz[1]; - K[2] = K_vicon_50Hz[2]; - vicon_updated = 1; /* always enable the update, cause baro update = 200 Hz */ - local_sigma = 0.0f; /* don't add noise on barometer in any case */ - } else { - z_est = posZ; - K[0] = K_vicon_50Hz[0]; - K[1] = K_vicon_50Hz[1]; - K[2] = K_vicon_50Hz[2]; - local_sigma = sigma; - } - kalman_dlqe3(dT_const_50,K[0],K[1],K[2],x_z_aposteriori_k,z_est,vicon_updated,addNoise,local_sigma,x_z_aposteriori); - memcpy(x_z_aposteriori_k, x_z_aposteriori, sizeof(x_z_aposteriori)); - local_pos_est.x = x_x_aposteriori_k[0]; - local_pos_est.vx = x_x_aposteriori_k[1]; - local_pos_est.y = x_y_aposteriori_k[0]; - local_pos_est.vy = x_y_aposteriori_k[1]; - local_pos_est.z = x_z_aposteriori_k[0]; - local_pos_est.vz = x_z_aposteriori_k[1]; - local_pos_est.timestamp = hrt_absolute_time(); - if ((isfinite(x_x_aposteriori_k[0])) && (isfinite(x_x_aposteriori_k[1])) && (isfinite(x_y_aposteriori_k[0])) && (isfinite(x_y_aposteriori_k[1])) && (isfinite(x_z_aposteriori_k[0])) && (isfinite(x_z_aposteriori_k[1]))){ - if(local_pos_est_pub > 0) - orb_publish(ORB_ID(vehicle_local_position), local_pos_est_pub, &local_pos_est); - else - local_pos_est_pub = orb_advertise(ORB_ID(vehicle_local_position), &local_pos_est); - //char buf[0xff]; sprintf(buf,"[pos_est_mc] x:%f, y:%f, z:%f",x_x_aposteriori_k[0],x_y_aposteriori_k[0],x_z_aposteriori_k[0]); - //mavlink_log_info(mavlink_fd, buf); - } - } - } /* end of poll return value check */ - } - - printf("[pos_est_mc] exiting.\n"); - mavlink_log_info(mavlink_fd, "[pos_est_mc] exiting"); - thread_running = false; - return 0; -} diff --git a/src/modules/position_estimator_mc/position_estimator_mc_params.c b/src/modules/position_estimator_mc/position_estimator_mc_params.c deleted file mode 100755 index 72e5bc73b..000000000 --- a/src/modules/position_estimator_mc/position_estimator_mc_params.c +++ /dev/null @@ -1,68 +0,0 @@ -/**************************************************************************** - * - * Copyright (C) 2012 PX4 Development Team. All rights reserved. - * Author: Damian Aregger <daregger@student.ethz.ch> - * Tobias Naegeli <naegelit@student.ethz.ch> -* Lorenz Meier <lm@inf.ethz.ch> - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name PX4 nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/* - * @file position_estimator_mc_params.c - * - * Parameters for position_estimator_mc - */ - -#include "position_estimator_mc_params.h" - -/* Kalman Filter covariances */ -/* gps measurement noise standard deviation */ -PARAM_DEFINE_FLOAT(POS_EST_ADDN, 1.0f); -PARAM_DEFINE_FLOAT(POS_EST_SIGMA, 0.0f); -PARAM_DEFINE_FLOAT(POS_EST_R, 1.0f); -PARAM_DEFINE_INT32(POS_EST_BARO, 0.0f); - -int parameters_init(struct position_estimator_mc_param_handles *h) -{ - h->addNoise = param_find("POS_EST_ADDN"); - h->sigma = param_find("POS_EST_SIGMA"); - h->r = param_find("POS_EST_R"); - h->baro_param_handle = param_find("POS_EST_BARO"); - return OK; -} - -int parameters_update(const struct position_estimator_mc_param_handles *h, struct position_estimator_mc_params *p) -{ - param_get(h->addNoise, &(p->addNoise)); - param_get(h->sigma, &(p->sigma)); - param_get(h->r, &(p->R)); - param_get(h->baro_param_handle, &(p->baro)); - return OK; -} diff --git a/src/modules/position_estimator_mc/position_estimator_mc_params.h b/src/modules/position_estimator_mc/position_estimator_mc_params.h deleted file mode 100755 index c4c95f7b4..000000000 --- a/src/modules/position_estimator_mc/position_estimator_mc_params.h +++ /dev/null @@ -1,69 +0,0 @@ -/**************************************************************************** - * - * Copyright (C) 2012 PX4 Development Team. All rights reserved. - * Author: Damian Aregger <daregger@student.ethz.ch> - * Tobias Naegeli <naegelit@student.ethz.ch> - * Lorenz Meier <lm@inf.ethz.ch> - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name PX4 nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/* - * @file position_estimator_mc_params.h - * - * Parameters for Position Estimator - */ - -#include <systemlib/param/param.h> - -struct position_estimator_mc_params { - float addNoise; - float sigma; - float R; - int baro; /* consider barometer */ -}; - -struct position_estimator_mc_param_handles { - param_t addNoise; - param_t sigma; - param_t r; - param_t baro_param_handle; -}; - -/** - * Initialize all parameter handles and values - * - */ -int parameters_init(struct position_estimator_mc_param_handles *h); - -/** - * Update all parameters - * - */ -int parameters_update(const struct position_estimator_mc_param_handles *h, struct position_estimator_mc_params *p); diff --git a/src/modules/px4iofirmware/controls.c b/src/modules/px4iofirmware/controls.c index 56c5aa005..62e6b12cb 100644 --- a/src/modules/px4iofirmware/controls.c +++ b/src/modules/px4iofirmware/controls.c @@ -291,6 +291,7 @@ controls_tick() { /* set RC OK flag, as we got an update */ r_status_flags |= PX4IO_P_STATUS_FLAGS_RC_OK; + r_raw_rc_flags |= PX4IO_P_RAW_RC_FLAGS_RC_OK; /* if we have enough channels (5) to control the vehicle, the mapping is ok */ if (assigned_channels > 4) { @@ -336,6 +337,9 @@ controls_tick() { PX4IO_P_STATUS_FLAGS_OVERRIDE | PX4IO_P_STATUS_FLAGS_RC_OK); + /* flag raw RC as lost */ + r_raw_rc_flags &= ~(PX4IO_P_RAW_RC_FLAGS_RC_OK); + /* Mark all channels as invalid, as we just lost the RX */ r_rc_valid = 0; @@ -405,8 +409,9 @@ ppm_input(uint16_t *values, uint16_t *num_values, uint16_t *frame_len) if (*num_values > PX4IO_RC_INPUT_CHANNELS) *num_values = PX4IO_RC_INPUT_CHANNELS; - for (unsigned i = 0; i < *num_values; i++) + for (unsigned i = 0; i < *num_values; i++) { values[i] = ppm_buffer[i]; + } /* clear validity */ ppm_last_valid_decode = 0; diff --git a/src/modules/px4iofirmware/mixer.cpp b/src/modules/px4iofirmware/mixer.cpp index 9558198f3..2f721bf1e 100644 --- a/src/modules/px4iofirmware/mixer.cpp +++ b/src/modules/px4iofirmware/mixer.cpp @@ -213,6 +213,7 @@ mixer_tick(void) mixed = mixer_group.mix(&outputs[0], PX4IO_SERVO_COUNT); in_mixer = false; + /* the pwm limit call takes care of out of band errors */ pwm_limit_calc(should_arm, mixed, r_page_servo_disarmed, r_page_servo_control_min, r_page_servo_control_max, outputs, r_page_servos, &pwm_limit); for (unsigned i = mixed; i < PX4IO_SERVO_COUNT; i++) @@ -254,10 +255,25 @@ mixer_tick(void) for (unsigned i = 0; i < PX4IO_SERVO_COUNT; i++) up_pwm_servo_set(i, r_page_servos[i]); + /* set S.BUS1 or S.BUS2 outputs */ + + if (r_setup_features & PX4IO_P_SETUP_FEATURES_SBUS2_OUT) { + sbus2_output(r_page_servos, PX4IO_SERVO_COUNT); + } else if (r_setup_features & PX4IO_P_SETUP_FEATURES_SBUS1_OUT) { + sbus1_output(r_page_servos, PX4IO_SERVO_COUNT); + } + } else if (mixer_servos_armed && should_always_enable_pwm) { /* set the disarmed servo outputs. */ for (unsigned i = 0; i < PX4IO_SERVO_COUNT; i++) up_pwm_servo_set(i, r_page_servo_disarmed[i]); + + /* set S.BUS1 or S.BUS2 outputs */ + if (r_setup_features & PX4IO_P_SETUP_FEATURES_SBUS1_OUT) + sbus1_output(r_page_servos, PX4IO_SERVO_COUNT); + + if (r_setup_features & PX4IO_P_SETUP_FEATURES_SBUS2_OUT) + sbus2_output(r_page_servos, PX4IO_SERVO_COUNT); } } diff --git a/src/modules/px4iofirmware/protocol.h b/src/modules/px4iofirmware/protocol.h index 6c20d6006..7471faec7 100644 --- a/src/modules/px4iofirmware/protocol.h +++ b/src/modules/px4iofirmware/protocol.h @@ -142,6 +142,7 @@ #define PX4IO_P_RAW_RC_FLAGS_FAILSAFE (1 << 1) /* receiver is in failsafe mode */ #define PX4IO_P_RAW_RC_FLAGS_RC_DSM11 (1 << 2) /* DSM decoding is 11 bit mode */ #define PX4IO_P_RAW_RC_FLAGS_MAPPING_OK (1 << 3) /* Channel mapping is ok */ +#define PX4IO_P_RAW_RC_FLAGS_RC_OK (1 << 4) /* RC reception ok */ #define PX4IO_P_RAW_RC_NRSSI 2 /* [2] Normalized RSSI value, 0: no reception, 255: perfect reception */ #define PX4IO_P_RAW_RC_DATA 3 /* [1] + [2] Details about the RC source (PPM frame length, Spektrum protocol type) */ @@ -189,6 +190,8 @@ #define PX4IO_P_SETUP_RELAYS_POWER2 (1<<1) /* hardware rev [1] power relay 2 */ #define PX4IO_P_SETUP_RELAYS_ACC1 (1<<2) /* hardware rev [1] accessory power 1 */ #define PX4IO_P_SETUP_RELAYS_ACC2 (1<<3) /* hardware rev [1] accessory power 2 */ +#else +#define PX4IO_P_SETUP_RELAYS_PAD 5 #endif #define PX4IO_P_SETUP_VBATT_SCALE 6 /* hardware rev [1] battery voltage correction factor (float) */ @@ -208,15 +211,16 @@ enum { /* DSM bind states */ #define PX4IO_REBOOT_BL_MAGIC 14662 /* required argument for reboot (random) */ #define PX4IO_P_SETUP_CRC 11 /* get CRC of IO firmware */ - /* 12 occupied by CRC */ + /* storage space of 12 occupied by CRC */ +#define PX4IO_P_SETUP_FORCE_SAFETY_OFF 12 /* force safety switch into + 'armed' (PWM enabled) state - this is a non-data write and + hence index 12 can safely be used. */ #define PX4IO_P_SETUP_RC_THR_FAILSAFE_US 13 /**< the throttle failsafe pulse length in microseconds */ -#define PX4IO_P_SETUP_FORCE_SAFETY_OFF 12 /* force safety switch into - 'armed' (PWM enabled) state */ -#define PX4IO_FORCE_SAFETY_MAGIC 22027 /* required argument for force safety (random) */ +#define PX4IO_FORCE_SAFETY_MAGIC 22027 /* required argument for force safety (random) */ /* autopilot control values, -10000..10000 */ -#define PX4IO_PAGE_CONTROLS 51 /**< actuator control groups, one after the other, 8 wide */ +#define PX4IO_PAGE_CONTROLS 51 /**< actuator control groups, one after the other, 8 wide */ #define PX4IO_P_CONTROLS_GROUP_0 (PX4IO_PROTOCOL_MAX_CONTROL_COUNT * 0) /**< 0..PX4IO_PROTOCOL_MAX_CONTROL_COUNT - 1 */ #define PX4IO_P_CONTROLS_GROUP_1 (PX4IO_PROTOCOL_MAX_CONTROL_COUNT * 1) /**< 0..PX4IO_PROTOCOL_MAX_CONTROL_COUNT - 1 */ #define PX4IO_P_CONTROLS_GROUP_2 (PX4IO_PROTOCOL_MAX_CONTROL_COUNT * 2) /**< 0..PX4IO_PROTOCOL_MAX_CONTROL_COUNT - 1 */ diff --git a/src/modules/px4iofirmware/px4io.h b/src/modules/px4iofirmware/px4io.h index 4db948484..ca175bfbc 100644 --- a/src/modules/px4iofirmware/px4io.h +++ b/src/modules/px4iofirmware/px4io.h @@ -219,6 +219,8 @@ extern bool dsm_input(uint16_t *values, uint16_t *num_values); extern void dsm_bind(uint16_t cmd, int pulses); extern int sbus_init(const char *device); extern bool sbus_input(uint16_t *values, uint16_t *num_values, bool *sbus_failsafe, bool *sbus_frame_drop, uint16_t max_channels); +extern bool sbus1_output(uint16_t *values, uint16_t num_values); +extern bool sbus2_output(uint16_t *values, uint16_t num_values); /** global debug level for isr_debug() */ extern volatile uint8_t debug_level; diff --git a/src/modules/px4iofirmware/registers.c b/src/modules/px4iofirmware/registers.c index 9e5d7e7e2..db1836f4a 100644 --- a/src/modules/px4iofirmware/registers.c +++ b/src/modules/px4iofirmware/registers.c @@ -160,6 +160,9 @@ volatile uint16_t r_page_setup[] = [PX4IO_P_SETUP_PWM_ALTRATE] = 200, #ifdef CONFIG_ARCH_BOARD_PX4IO_V1 [PX4IO_P_SETUP_RELAYS] = 0, +#else + /* this is unused, but we will pad it for readability (the compiler pads it automatically) */ + [PX4IO_P_SETUP_RELAYS_PAD] = 0, #endif #ifdef ADC_VSERVO [PX4IO_P_SETUP_VSERVO_SCALE] = 10000, @@ -463,9 +466,18 @@ registers_set_one(uint8_t page, uint8_t offset, uint16_t value) #ifdef ENABLE_SBUS_OUT ENABLE_SBUS_OUT(value & (PX4IO_P_SETUP_FEATURES_SBUS1_OUT | PX4IO_P_SETUP_FEATURES_SBUS2_OUT)); - /* disable the conflicting options */ - if (value & (PX4IO_P_SETUP_FEATURES_SBUS1_OUT | PX4IO_P_SETUP_FEATURES_SBUS2_OUT)) { - value &= ~(PX4IO_P_SETUP_FEATURES_PWM_RSSI | PX4IO_P_SETUP_FEATURES_ADC_RSSI); + /* disable the conflicting options with SBUS 1 */ + if (value & (PX4IO_P_SETUP_FEATURES_SBUS1_OUT)) { + value &= ~(PX4IO_P_SETUP_FEATURES_PWM_RSSI | + PX4IO_P_SETUP_FEATURES_ADC_RSSI | + PX4IO_P_SETUP_FEATURES_SBUS2_OUT); + } + + /* disable the conflicting options with SBUS 2 */ + if (value & (PX4IO_P_SETUP_FEATURES_SBUS2_OUT)) { + value &= ~(PX4IO_P_SETUP_FEATURES_PWM_RSSI | + PX4IO_P_SETUP_FEATURES_ADC_RSSI | + PX4IO_P_SETUP_FEATURES_SBUS1_OUT); } #endif @@ -514,18 +526,22 @@ registers_set_one(uint8_t page, uint8_t offset, uint16_t value) break; case PX4IO_P_SETUP_PWM_DEFAULTRATE: - if (value < 50) + if (value < 50) { value = 50; - if (value > 400) + } + if (value > 400) { value = 400; + } pwm_configure_rates(r_setup_pwm_rates, value, r_setup_pwm_altrate); break; case PX4IO_P_SETUP_PWM_ALTRATE: - if (value < 50) + if (value < 50) { value = 50; - if (value > 400) + } + if (value > 400) { value = 400; + } pwm_configure_rates(r_setup_pwm_rates, r_setup_pwm_defaultrate, value); break; @@ -557,8 +573,9 @@ registers_set_one(uint8_t page, uint8_t offset, uint16_t value) } // check the magic value - if (value != PX4IO_REBOOT_BL_MAGIC) + if (value != PX4IO_REBOOT_BL_MAGIC) { break; + } // we schedule a reboot rather than rebooting // immediately to allow the IO board to ACK @@ -576,6 +593,12 @@ registers_set_one(uint8_t page, uint8_t offset, uint16_t value) } break; + case PX4IO_P_SETUP_RC_THR_FAILSAFE_US: + if (value > 650 && value < 2350) { + r_page_setup[PX4IO_P_SETUP_RC_THR_FAILSAFE_US] = value; + } + break; + default: return -1; } diff --git a/src/modules/px4iofirmware/sbus.c b/src/modules/px4iofirmware/sbus.c index f6ec542eb..0e7dc621c 100644 --- a/src/modules/px4iofirmware/sbus.c +++ b/src/modules/px4iofirmware/sbus.c @@ -93,7 +93,7 @@ int sbus_init(const char *device) { if (sbus_fd < 0) - sbus_fd = open(device, O_RDONLY | O_NONBLOCK); + sbus_fd = open(device, O_RDWR | O_NONBLOCK); if (sbus_fd >= 0) { struct termios t; @@ -113,11 +113,22 @@ sbus_init(const char *device) } else { debug("S.Bus: open failed"); } - return sbus_fd; } bool +sbus1_output(uint16_t *values, uint16_t num_values) +{ + write(sbus_fd, 'A', 1); +} + +bool +sbus2_output(uint16_t *values, uint16_t num_values) +{ + write(sbus_fd, 'B', 1); +} + +bool sbus_input(uint16_t *values, uint16_t *num_values, bool *sbus_failsafe, bool *sbus_frame_drop, uint16_t max_channels) { ssize_t ret; diff --git a/src/modules/sdlog/module.mk b/src/modules/sdlog/module.mk deleted file mode 100644 index 89da2d827..000000000 --- a/src/modules/sdlog/module.mk +++ /dev/null @@ -1,43 +0,0 @@ -############################################################################ -# -# Copyright (c) 2012, 2013 PX4 Development Team. All rights reserved. -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions -# are met: -# -# 1. Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# 2. Redistributions in binary form must reproduce the above copyright -# notice, this list of conditions and the following disclaimer in -# the documentation and/or other materials provided with the -# distribution. -# 3. Neither the name PX4 nor the names of its contributors may be -# used to endorse or promote products derived from this software -# without specific prior written permission. -# -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS -# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE -# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, -# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, -# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS -# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED -# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN -# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -# POSSIBILITY OF SUCH DAMAGE. -# -############################################################################ - -# -# sdlog Application -# - -MODULE_COMMAND = sdlog -# The main thread only buffers to RAM, needs a high priority -MODULE_PRIORITY = "SCHED_PRIORITY_MAX-30" - -SRCS = sdlog.c \ - sdlog_ringbuffer.c diff --git a/src/modules/sdlog/sdlog.c b/src/modules/sdlog/sdlog.c deleted file mode 100644 index c22523bf2..000000000 --- a/src/modules/sdlog/sdlog.c +++ /dev/null @@ -1,840 +0,0 @@ -/**************************************************************************** - * - * Copyright (C) 2012 PX4 Development Team. All rights reserved. - * Author: Lorenz Meier <lm@inf.ethz.ch> - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name PX4 nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/** - * @file sdlog.c - * @author Lorenz Meier <lm@inf.ethz.ch> - * - * Simple SD logger for flight data. Buffers new sensor values and - * does the heavy SD I/O in a low-priority worker thread. - */ - -#include <nuttx/config.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <sys/prctl.h> -#include <fcntl.h> -#include <errno.h> -#include <unistd.h> -#include <stdio.h> -#include <poll.h> -#include <stdlib.h> -#include <string.h> -#include <ctype.h> -#include <systemlib/err.h> -#include <unistd.h> -#include <drivers/drv_hrt.h> - -#include <uORB/uORB.h> -#include <uORB/topics/sensor_combined.h> -#include <uORB/topics/vehicle_attitude.h> -#include <uORB/topics/vehicle_attitude_setpoint.h> -#include <uORB/topics/actuator_outputs.h> -#include <uORB/topics/actuator_controls.h> -#include <uORB/topics/actuator_controls_effective.h> -#include <uORB/topics/vehicle_command.h> -#include <uORB/topics/vehicle_local_position.h> -#include <uORB/topics/vehicle_global_position.h> -#include <uORB/topics/vehicle_gps_position.h> -#include <uORB/topics/vehicle_vicon_position.h> -#include <uORB/topics/optical_flow.h> -#include <uORB/topics/battery_status.h> -#include <uORB/topics/differential_pressure.h> -#include <uORB/topics/airspeed.h> - -#include <systemlib/systemlib.h> - -#include <mavlink/mavlink_log.h> - -#include "sdlog_ringbuffer.h" - -static bool thread_should_exit = false; /**< Deamon exit flag */ -static bool thread_running = false; /**< Deamon status flag */ -static int deamon_task; /**< Handle of deamon task / thread */ -static const int MAX_NO_LOGFOLDER = 999; /**< Maximum number of log folders */ - -static const char *mountpoint = "/fs/microsd"; -static const char *mfile_in = "/etc/logging/logconv.m"; -int sysvector_file = -1; -int mavlink_fd = -1; -struct sdlog_logbuffer lb; - -/* mutex / condition to synchronize threads */ -pthread_mutex_t sysvector_mutex; -pthread_cond_t sysvector_cond; - -/** - * System state vector log buffer writing - */ -static void *sdlog_sysvector_write_thread(void *arg); - -/** - * Create the thread to write the system vector - */ -pthread_t sysvector_write_start(struct sdlog_logbuffer *logbuf); - -/** - * SD log management function. - */ -__EXPORT int sdlog_main(int argc, char *argv[]); - -/** - * Mainloop of sd log deamon. - */ -int sdlog_thread_main(int argc, char *argv[]); - -/** - * Print the correct usage. - */ -static void usage(const char *reason); - -static int file_exist(const char *filename); - -static int file_copy(const char *file_old, const char *file_new); - -static void handle_command(struct vehicle_command_s *cmd); - -/** - * Print the current status. - */ -static void print_sdlog_status(void); - -/** - * Create folder for current logging session. - */ -static int create_logfolder(char *folder_path); - -static void -usage(const char *reason) -{ - if (reason) - fprintf(stderr, "%s\n", reason); - - errx(1, "usage: sdlog {start|stop|status} [-s <number of skipped lines>]\n\n"); -} - -// XXX turn this into a C++ class -unsigned sensor_combined_bytes = 0; -unsigned actuator_outputs_bytes = 0; -unsigned actuator_controls_bytes = 0; -unsigned sysvector_bytes = 0; -unsigned blackbox_file_bytes = 0; -uint64_t starttime = 0; - -/* logging on or off, default to true */ -bool logging_enabled = true; - -/** - * The sd log deamon app only briefly exists to start - * the background job. The stack size assigned in the - * Makefile does only apply to this management task. - * - * The actual stack size should be set in the call - * to task_spawn_cmd(). - */ -int sdlog_main(int argc, char *argv[]) -{ - if (argc < 1) - usage("missing command"); - - if (!strcmp(argv[1], "start")) { - - if (thread_running) { - printf("sdlog already running\n"); - /* this is not an error */ - exit(0); - } - - thread_should_exit = false; - deamon_task = task_spawn_cmd("sdlog", - SCHED_DEFAULT, - SCHED_PRIORITY_DEFAULT - 30, - 4096, - sdlog_thread_main, - (const char **)argv); - exit(0); - } - - if (!strcmp(argv[1], "stop")) { - if (!thread_running) { - printf("\tsdlog is not started\n"); - } - - thread_should_exit = true; - exit(0); - } - - if (!strcmp(argv[1], "status")) { - if (thread_running) { - print_sdlog_status(); - - } else { - printf("\tsdlog not started\n"); - } - - exit(0); - } - - usage("unrecognized command"); - exit(1); -} - -int create_logfolder(char *folder_path) -{ - /* make folder on sdcard */ - uint16_t foldernumber = 1; // start with folder 0001 - int mkdir_ret; - - /* look for the next folder that does not exist */ - while (foldernumber < MAX_NO_LOGFOLDER) { - /* set up file path: e.g. /mnt/sdcard/sensorfile0001.txt */ - sprintf(folder_path, "%s/session%04u", mountpoint, foldernumber); - mkdir_ret = mkdir(folder_path, S_IRWXU | S_IRWXG | S_IRWXO); - /* the result is -1 if the folder exists */ - - if (mkdir_ret == 0) { - /* folder does not exist, success */ - - /* now copy the Matlab/Octave file */ - char mfile_out[100]; - sprintf(mfile_out, "%s/session%04u/run_to_plot_data.m", mountpoint, foldernumber); - int ret = file_copy(mfile_in, mfile_out); - - if (!ret) { - warnx("copied m file to %s", mfile_out); - - } else { - warnx("failed copying m file from %s to\n %s", mfile_in, mfile_out); - } - - break; - - } else if (mkdir_ret == -1) { - /* folder exists already */ - foldernumber++; - continue; - - } else { - warn("failed creating new folder"); - return -1; - } - } - - if (foldernumber >= MAX_NO_LOGFOLDER) { - /* we should not end up here, either we have more than MAX_NO_LOGFOLDER on the SD card, or another problem */ - warn("all %d possible folders exist already", MAX_NO_LOGFOLDER); - return -1; - } - - return 0; -} - - -static void * -sdlog_sysvector_write_thread(void *arg) -{ - /* set name */ - prctl(PR_SET_NAME, "sdlog microSD I/O", 0); - - struct sdlog_logbuffer *logbuf = (struct sdlog_logbuffer *)arg; - - int poll_count = 0; - struct sdlog_sysvector sysvect; - memset(&sysvect, 0, sizeof(sysvect)); - - while (!thread_should_exit) { - - /* make sure threads are synchronized */ - pthread_mutex_lock(&sysvector_mutex); - - /* only wait if no data is available to process */ - if (sdlog_logbuffer_is_empty(logbuf)) { - /* blocking wait for new data at this line */ - pthread_cond_wait(&sysvector_cond, &sysvector_mutex); - } - - /* only quickly load data, do heavy I/O a few lines down */ - int ret = sdlog_logbuffer_read(logbuf, &sysvect); - /* continue */ - pthread_mutex_unlock(&sysvector_mutex); - - if (ret == OK) { - sysvector_bytes += write(sysvector_file, (const char *)&sysvect, sizeof(sysvect)); - } - - if (poll_count % 100 == 0) { - fsync(sysvector_file); - } - - poll_count++; - } - - fsync(sysvector_file); - - return OK; -} - -pthread_t -sysvector_write_start(struct sdlog_logbuffer *logbuf) -{ - pthread_attr_t receiveloop_attr; - pthread_attr_init(&receiveloop_attr); - - struct sched_param param; - /* low priority, as this is expensive disk I/O */ - param.sched_priority = SCHED_PRIORITY_DEFAULT - 40; - (void)pthread_attr_setschedparam(&receiveloop_attr, ¶m); - - pthread_attr_setstacksize(&receiveloop_attr, 2048); - - pthread_t thread; - pthread_create(&thread, &receiveloop_attr, sdlog_sysvector_write_thread, logbuf); - return thread; - - // XXX we have to destroy the attr at some point -} - - -int sdlog_thread_main(int argc, char *argv[]) -{ - mavlink_fd = open(MAVLINK_LOG_DEVICE, 0); - - if (mavlink_fd < 0) { - warnx("ERROR: Failed to open MAVLink log stream, start mavlink app first.\n"); - } - - /* log every n'th value (skip three per default) */ - int skip_value = 3; - - /* work around some stupidity in task_create's argv handling */ - argc -= 2; - argv += 2; - int ch; - - while ((ch = getopt(argc, argv, "s:r")) != EOF) { - switch (ch) { - case 's': - { - /* log only every n'th (gyro clocked) value */ - unsigned s = strtoul(optarg, NULL, 10); - - if (s < 1 || s > 250) { - errx(1, "Wrong skip value of %d, out of range (1..250)\n", s); - } else { - skip_value = s; - } - } - break; - - case 'r': - /* log only on request, disable logging per default */ - logging_enabled = false; - break; - - case '?': - if (optopt == 'c') { - warnx("Option -%c requires an argument.\n", optopt); - } else if (isprint(optopt)) { - warnx("Unknown option `-%c'.\n", optopt); - } else { - warnx("Unknown option character `\\x%x'.\n", optopt); - } - - default: - usage("unrecognized flag"); - errx(1, "exiting."); - } - } - - if (file_exist(mountpoint) != OK) { - errx(1, "logging mount point %s not present, exiting.", mountpoint); - } - - char folder_path[64]; - - if (create_logfolder(folder_path)) - errx(1, "unable to create logging folder, exiting."); - - FILE *gpsfile; - FILE *blackbox_file; - - /* string to hold the path to the sensorfile */ - char path_buf[64] = ""; - - /* only print logging path, important to find log file later */ - warnx("logging to directory %s\n", folder_path); - - /* set up file path: e.g. /mnt/sdcard/session0001/actuator_controls0.bin */ - sprintf(path_buf, "%s/%s.bin", folder_path, "sysvector"); - - if (0 == (sysvector_file = open(path_buf, O_CREAT | O_WRONLY | O_DSYNC))) { - errx(1, "opening %s failed.\n", path_buf); - } - - /* set up file path: e.g. /mnt/sdcard/session0001/gps.txt */ - sprintf(path_buf, "%s/%s.txt", folder_path, "gps"); - - if (NULL == (gpsfile = fopen(path_buf, "w"))) { - errx(1, "opening %s failed.\n", path_buf); - } - - int gpsfile_no = fileno(gpsfile); - - /* set up file path: e.g. /mnt/sdcard/session0001/blackbox.txt */ - sprintf(path_buf, "%s/%s.txt", folder_path, "blackbox"); - - if (NULL == (blackbox_file = fopen(path_buf, "w"))) { - errx(1, "opening %s failed.\n", path_buf); - } - - // XXX for fsync() calls - int blackbox_file_no = fileno(blackbox_file); - - /* --- IMPORTANT: DEFINE NUMBER OF ORB STRUCTS TO WAIT FOR HERE --- */ - /* number of messages */ - const ssize_t fdsc = 25; - /* Sanity check variable and index */ - ssize_t fdsc_count = 0; - /* file descriptors to wait for */ - struct pollfd fds[fdsc]; - - - struct { - struct sensor_combined_s raw; - struct vehicle_attitude_s att; - struct vehicle_attitude_setpoint_s att_sp; - struct actuator_outputs_s act_outputs; - struct actuator_controls_s act_controls; - struct actuator_controls_effective_s act_controls_effective; - struct vehicle_command_s cmd; - struct vehicle_local_position_s local_pos; - struct vehicle_global_position_s global_pos; - struct vehicle_gps_position_s gps_pos; - struct vehicle_vicon_position_s vicon_pos; - struct optical_flow_s flow; - struct battery_status_s batt; - struct differential_pressure_s diff_pres; - struct airspeed_s airspeed; - } buf; - memset(&buf, 0, sizeof(buf)); - - struct { - int cmd_sub; - int sensor_sub; - int att_sub; - int spa_sub; - int act_0_sub; - int controls_0_sub; - int controls_effective_0_sub; - int local_pos_sub; - int global_pos_sub; - int gps_pos_sub; - int vicon_pos_sub; - int flow_sub; - int batt_sub; - int diff_pres_sub; - int airspeed_sub; - } subs; - - /* --- MANAGEMENT - LOGGING COMMAND --- */ - /* subscribe to ORB for vehicle command */ - subs.cmd_sub = orb_subscribe(ORB_ID(vehicle_command)); - fds[fdsc_count].fd = subs.cmd_sub; - fds[fdsc_count].events = POLLIN; - fdsc_count++; - - /* --- GPS POSITION --- */ - /* subscribe to ORB for global position */ - subs.gps_pos_sub = orb_subscribe(ORB_ID(vehicle_gps_position)); - fds[fdsc_count].fd = subs.gps_pos_sub; - fds[fdsc_count].events = POLLIN; - fdsc_count++; - - /* --- SENSORS RAW VALUE --- */ - /* subscribe to ORB for sensors raw */ - subs.sensor_sub = orb_subscribe(ORB_ID(sensor_combined)); - fds[fdsc_count].fd = subs.sensor_sub; - /* do not rate limit, instead use skip counter (aliasing on rate limit) */ - fds[fdsc_count].events = POLLIN; - fdsc_count++; - - /* --- ATTITUDE VALUE --- */ - /* subscribe to ORB for attitude */ - subs.att_sub = orb_subscribe(ORB_ID(vehicle_attitude)); - fds[fdsc_count].fd = subs.att_sub; - fds[fdsc_count].events = POLLIN; - fdsc_count++; - - /* --- ATTITUDE SETPOINT VALUE --- */ - /* subscribe to ORB for attitude setpoint */ - /* struct already allocated */ - subs.spa_sub = orb_subscribe(ORB_ID(vehicle_attitude_setpoint)); - fds[fdsc_count].fd = subs.spa_sub; - fds[fdsc_count].events = POLLIN; - fdsc_count++; - - /** --- ACTUATOR OUTPUTS --- */ - subs.act_0_sub = orb_subscribe(ORB_ID(actuator_outputs_0)); - fds[fdsc_count].fd = subs.act_0_sub; - fds[fdsc_count].events = POLLIN; - fdsc_count++; - - /* --- ACTUATOR CONTROL VALUE --- */ - /* subscribe to ORB for actuator control */ - subs.controls_0_sub = orb_subscribe(ORB_ID_VEHICLE_ATTITUDE_CONTROLS); - fds[fdsc_count].fd = subs.controls_0_sub; - fds[fdsc_count].events = POLLIN; - fdsc_count++; - - /* --- ACTUATOR CONTROL EFFECTIVE VALUE --- */ - /* subscribe to ORB for actuator control */ - subs.controls_effective_0_sub = orb_subscribe(ORB_ID_VEHICLE_ATTITUDE_CONTROLS_EFFECTIVE); - fds[fdsc_count].fd = subs.controls_effective_0_sub; - fds[fdsc_count].events = POLLIN; - fdsc_count++; - - /* --- LOCAL POSITION --- */ - /* subscribe to ORB for local position */ - subs.local_pos_sub = orb_subscribe(ORB_ID(vehicle_local_position)); - fds[fdsc_count].fd = subs.local_pos_sub; - fds[fdsc_count].events = POLLIN; - fdsc_count++; - - /* --- GLOBAL POSITION --- */ - /* subscribe to ORB for global position */ - subs.global_pos_sub = orb_subscribe(ORB_ID(vehicle_global_position)); - fds[fdsc_count].fd = subs.global_pos_sub; - fds[fdsc_count].events = POLLIN; - fdsc_count++; - - /* --- VICON POSITION --- */ - /* subscribe to ORB for vicon position */ - subs.vicon_pos_sub = orb_subscribe(ORB_ID(vehicle_vicon_position)); - fds[fdsc_count].fd = subs.vicon_pos_sub; - fds[fdsc_count].events = POLLIN; - fdsc_count++; - - /* --- FLOW measurements --- */ - /* subscribe to ORB for flow measurements */ - subs.flow_sub = orb_subscribe(ORB_ID(optical_flow)); - fds[fdsc_count].fd = subs.flow_sub; - fds[fdsc_count].events = POLLIN; - fdsc_count++; - - /* --- BATTERY STATUS --- */ - /* subscribe to ORB for flow measurements */ - subs.batt_sub = orb_subscribe(ORB_ID(battery_status)); - fds[fdsc_count].fd = subs.batt_sub; - fds[fdsc_count].events = POLLIN; - fdsc_count++; - - /* --- DIFFERENTIAL PRESSURE --- */ - /* subscribe to ORB for flow measurements */ - subs.diff_pres_sub = orb_subscribe(ORB_ID(differential_pressure)); - fds[fdsc_count].fd = subs.diff_pres_sub; - fds[fdsc_count].events = POLLIN; - fdsc_count++; - - /* --- AIRSPEED --- */ - /* subscribe to ORB for airspeed */ - subs.airspeed_sub = orb_subscribe(ORB_ID(airspeed)); - fds[fdsc_count].fd = subs.airspeed_sub; - fds[fdsc_count].events = POLLIN; - fdsc_count++; - - /* WARNING: If you get the error message below, - * then the number of registered messages (fdsc) - * differs from the number of messages in the above list. - */ - if (fdsc_count > fdsc) { - warn("WARNING: Not enough space for poll fds allocated. Check %s:%d.\n", __FILE__, __LINE__); - fdsc_count = fdsc; - } - - /* - * set up poll to block for new data, - * wait for a maximum of 1000 ms (1 second) - */ - // const int timeout = 1000; - - thread_running = true; - - /* initialize log buffer with a size of 10 */ - sdlog_logbuffer_init(&lb, 10); - - /* initialize thread synchronization */ - pthread_mutex_init(&sysvector_mutex, NULL); - pthread_cond_init(&sysvector_cond, NULL); - - /* start logbuffer emptying thread */ - pthread_t sysvector_pthread = sysvector_write_start(&lb); - - starttime = hrt_absolute_time(); - - /* track skipping */ - int skip_count = 0; - - while (!thread_should_exit) { - - /* only poll for commands, gps and sensor_combined */ - int poll_ret = poll(fds, 3, 1000); - - /* handle the poll result */ - if (poll_ret == 0) { - /* XXX this means none of our providers is giving us data - might be an error? */ - } else if (poll_ret < 0) { - /* XXX this is seriously bad - should be an emergency */ - } else { - - int ifds = 0; - - /* --- VEHICLE COMMAND VALUE --- */ - if (fds[ifds++].revents & POLLIN) { - /* copy command into local buffer */ - orb_copy(ORB_ID(vehicle_command), subs.cmd_sub, &buf.cmd); - - /* always log to blackbox, even when logging disabled */ - blackbox_file_bytes += fprintf(blackbox_file, "[%10.4f\tVCMD] CMD #%d [%f\t%f\t%f\t%f\t%f\t%f\t%f]\n", hrt_absolute_time()/1000000.0d, - buf.cmd.command, (double)buf.cmd.param1, (double)buf.cmd.param2, (double)buf.cmd.param3, (double)buf.cmd.param4, - (double)buf.cmd.param5, (double)buf.cmd.param6, (double)buf.cmd.param7); - - handle_command(&buf.cmd); - } - - /* --- VEHICLE GPS VALUE --- */ - if (fds[ifds++].revents & POLLIN) { - /* copy gps position into local buffer */ - orb_copy(ORB_ID(vehicle_gps_position), subs.gps_pos_sub, &buf.gps_pos); - - /* if logging disabled, continue */ - if (logging_enabled) { - - /* write KML line */ - } - } - - /* --- SENSORS RAW VALUE --- */ - if (fds[ifds++].revents & POLLIN) { - - // /* copy sensors raw data into local buffer */ - // orb_copy(ORB_ID(sensor_combined), subs.sensor_sub, &buf.raw); - // /* write out */ - // sensor_combined_bytes += write(sensorfile, (const char*)&(buf.raw), sizeof(buf.raw)); - - /* always copy sensors raw data into local buffer, since poll flags won't clear else */ - orb_copy(ORB_ID(sensor_combined), subs.sensor_sub, &buf.raw); - orb_copy(ORB_ID_VEHICLE_ATTITUDE_CONTROLS, subs.controls_0_sub, &buf.act_controls); - orb_copy(ORB_ID_VEHICLE_ATTITUDE_CONTROLS_EFFECTIVE, subs.controls_effective_0_sub, &buf.act_controls_effective); - orb_copy(ORB_ID(actuator_outputs_0), subs.act_0_sub, &buf.act_outputs); - orb_copy(ORB_ID(vehicle_attitude_setpoint), subs.spa_sub, &buf.att_sp); - orb_copy(ORB_ID(vehicle_gps_position), subs.gps_pos_sub, &buf.gps_pos); - orb_copy(ORB_ID(vehicle_local_position), subs.local_pos_sub, &buf.local_pos); - orb_copy(ORB_ID(vehicle_global_position), subs.global_pos_sub, &buf.global_pos); - orb_copy(ORB_ID(vehicle_attitude), subs.att_sub, &buf.att); - orb_copy(ORB_ID(vehicle_vicon_position), subs.vicon_pos_sub, &buf.vicon_pos); - orb_copy(ORB_ID(optical_flow), subs.flow_sub, &buf.flow); - orb_copy(ORB_ID(differential_pressure), subs.diff_pres_sub, &buf.diff_pres); - orb_copy(ORB_ID(airspeed), subs.airspeed_sub, &buf.airspeed); - orb_copy(ORB_ID(battery_status), subs.batt_sub, &buf.batt); - - /* if skipping is on or logging is disabled, ignore */ - if (skip_count < skip_value || !logging_enabled) { - skip_count++; - /* do not log data */ - continue; - } else { - /* log data, reset */ - skip_count = 0; - } - - struct sdlog_sysvector sysvect = { - .timestamp = buf.raw.timestamp, - .gyro = {buf.raw.gyro_rad_s[0], buf.raw.gyro_rad_s[1], buf.raw.gyro_rad_s[2]}, - .accel = {buf.raw.accelerometer_m_s2[0], buf.raw.accelerometer_m_s2[1], buf.raw.accelerometer_m_s2[2]}, - .mag = {buf.raw.magnetometer_ga[0], buf.raw.magnetometer_ga[1], buf.raw.magnetometer_ga[2]}, - .baro = buf.raw.baro_pres_mbar, - .baro_alt = buf.raw.baro_alt_meter, - .baro_temp = buf.raw.baro_temp_celcius, - .control = {buf.act_controls.control[0], buf.act_controls.control[1], buf.act_controls.control[2], buf.act_controls.control[3]}, - .actuators = { - buf.act_outputs.output[0], buf.act_outputs.output[1], buf.act_outputs.output[2], buf.act_outputs.output[3], - buf.act_outputs.output[4], buf.act_outputs.output[5], buf.act_outputs.output[6], buf.act_outputs.output[7] - }, - .vbat = buf.batt.voltage_v, - .bat_current = buf.batt.current_a, - .bat_discharged = buf.batt.discharged_mah, - .adc = {buf.raw.adc_voltage_v[0], buf.raw.adc_voltage_v[1], buf.raw.adc_voltage_v[2], buf.raw.adc_voltage_v[3]}, - .local_position = {buf.local_pos.x, buf.local_pos.y, buf.local_pos.z}, - .gps_raw_position = {buf.gps_pos.lat, buf.gps_pos.lon, buf.gps_pos.alt}, - .attitude = {buf.att.pitch, buf.att.roll, buf.att.yaw}, - .rotMatrix = {buf.att.R[0][0], buf.att.R[0][1], buf.att.R[0][2], buf.att.R[1][0], buf.att.R[1][1], buf.att.R[1][2], buf.att.R[2][0], buf.att.R[2][1], buf.att.R[2][2]}, - .vicon = {buf.vicon_pos.x, buf.vicon_pos.y, buf.vicon_pos.z, buf.vicon_pos.roll, buf.vicon_pos.pitch, buf.vicon_pos.yaw}, - .control_effective = {buf.act_controls_effective.control_effective[0], buf.act_controls_effective.control_effective[1], buf.act_controls_effective.control_effective[2], buf.act_controls_effective.control_effective[3]}, - .flow = {buf.flow.flow_raw_x, buf.flow.flow_raw_y, buf.flow.flow_comp_x_m, buf.flow.flow_comp_y_m, buf.flow.ground_distance_m, buf.flow.quality}, - .diff_pressure = buf.diff_pres.differential_pressure_pa, - .ind_airspeed = buf.airspeed.indicated_airspeed_m_s, - .true_airspeed = buf.airspeed.true_airspeed_m_s - }; - - /* put into buffer for later IO */ - pthread_mutex_lock(&sysvector_mutex); - sdlog_logbuffer_write(&lb, &sysvect); - /* signal the other thread new data, but not yet unlock */ - if ((unsigned)lb.count > (lb.size / 2)) { - /* only request write if several packets can be written at once */ - pthread_cond_signal(&sysvector_cond); - } - /* unlock, now the writer thread may run */ - pthread_mutex_unlock(&sysvector_mutex); - } - - } - - } - - print_sdlog_status(); - - /* wake up write thread one last time */ - pthread_mutex_lock(&sysvector_mutex); - pthread_cond_signal(&sysvector_cond); - /* unlock, now the writer thread may return */ - pthread_mutex_unlock(&sysvector_mutex); - - /* wait for write thread to return */ - (void)pthread_join(sysvector_pthread, NULL); - - pthread_mutex_destroy(&sysvector_mutex); - pthread_cond_destroy(&sysvector_cond); - - warnx("exiting.\n\n"); - - /* finish KML file */ - // XXX - fclose(gpsfile); - fclose(blackbox_file); - - thread_running = false; - - return 0; -} - -void print_sdlog_status() -{ - unsigned bytes = sysvector_bytes + sensor_combined_bytes + actuator_outputs_bytes + blackbox_file_bytes + actuator_controls_bytes; - float mebibytes = bytes / 1024.0f / 1024.0f; - float seconds = ((float)(hrt_absolute_time() - starttime)) / 1000000.0f; - - warnx("wrote %4.2f MiB (average %5.3f MiB/s).\n", (double)mebibytes, (double)(mebibytes / seconds)); -} - -/** - * @return 0 if file exists - */ -int file_exist(const char *filename) -{ - struct stat buffer; - return stat(filename, &buffer); -} - -int file_copy(const char *file_old, const char *file_new) -{ - FILE *source, *target; - source = fopen(file_old, "r"); - int ret = 0; - - if (source == NULL) { - warnx("failed opening input file to copy"); - return 1; - } - - target = fopen(file_new, "w"); - - if (target == NULL) { - fclose(source); - warnx("failed to open output file to copy"); - return 1; - } - - char buf[128]; - int nread; - - while ((nread = fread(buf, 1, sizeof(buf), source)) > 0) { - int ret = fwrite(buf, 1, nread, target); - - if (ret <= 0) { - warnx("error writing file"); - ret = 1; - break; - } - } - - fsync(fileno(target)); - - fclose(source); - fclose(target); - - return ret; -} - -void handle_command(struct vehicle_command_s *cmd) -{ - /* result of the command */ - uint8_t result = VEHICLE_CMD_RESULT_UNSUPPORTED; - - /* request to set different system mode */ - switch (cmd->command) { - - case VEHICLE_CMD_PREFLIGHT_STORAGE: - - if (((int)(cmd->param3)) == 1) { - - /* enable logging */ - mavlink_log_info(mavlink_fd, "[log] file:"); - mavlink_log_info(mavlink_fd, "logdir"); - logging_enabled = true; - } - if (((int)(cmd->param3)) == 0) { - - /* disable logging */ - mavlink_log_info(mavlink_fd, "[log] stopped."); - logging_enabled = false; - } - break; - - default: - /* silently ignore */ - break; - } - -} diff --git a/src/modules/sdlog/sdlog_ringbuffer.c b/src/modules/sdlog/sdlog_ringbuffer.c deleted file mode 100644 index d7c8a4759..000000000 --- a/src/modules/sdlog/sdlog_ringbuffer.c +++ /dev/null @@ -1,91 +0,0 @@ -/**************************************************************************** - * - * Copyright (C) 2013 PX4 Development Team. All rights reserved. - * Author: Lorenz Meier <lm@inf.ethz.ch> - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name PX4 nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/** - * @file sdlog_log.c - * MAVLink text logging. - * - * @author Lorenz Meier <lm@inf.ethz.ch> - */ - -#include <string.h> -#include <stdlib.h> - -#include "sdlog_ringbuffer.h" - -void sdlog_logbuffer_init(struct sdlog_logbuffer *lb, int size) -{ - lb->size = size; - lb->start = 0; - lb->count = 0; - lb->elems = (struct sdlog_sysvector *)calloc(lb->size, sizeof(struct sdlog_sysvector)); -} - -int sdlog_logbuffer_is_full(struct sdlog_logbuffer *lb) -{ - return lb->count == (int)lb->size; -} - -int sdlog_logbuffer_is_empty(struct sdlog_logbuffer *lb) -{ - return lb->count == 0; -} - - -// XXX make these functions thread-safe -void sdlog_logbuffer_write(struct sdlog_logbuffer *lb, const struct sdlog_sysvector *elem) -{ - int end = (lb->start + lb->count) % lb->size; - memcpy(&(lb->elems[end]), elem, sizeof(struct sdlog_sysvector)); - - if (sdlog_logbuffer_is_full(lb)) { - lb->start = (lb->start + 1) % lb->size; /* full, overwrite */ - - } else { - ++lb->count; - } -} - -int sdlog_logbuffer_read(struct sdlog_logbuffer *lb, struct sdlog_sysvector *elem) -{ - if (!sdlog_logbuffer_is_empty(lb)) { - memcpy(elem, &(lb->elems[lb->start]), sizeof(struct sdlog_sysvector)); - lb->start = (lb->start + 1) % lb->size; - --lb->count; - return 0; - - } else { - return 1; - } -} diff --git a/src/modules/sdlog/sdlog_ringbuffer.h b/src/modules/sdlog/sdlog_ringbuffer.h deleted file mode 100644 index b65916459..000000000 --- a/src/modules/sdlog/sdlog_ringbuffer.h +++ /dev/null @@ -1,91 +0,0 @@ -/**************************************************************************** - * - * Copyright (C) 2013 PX4 Development Team. All rights reserved. - * Author: Lorenz Meier <lm@inf.ethz.ch> - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name PX4 nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/** - * @file sdlog_ringbuffer.h - * microSD logging - * - * @author Lorenz Meier <lm@inf.ethz.ch> - */ - -#ifndef SDLOG_RINGBUFFER_H_ -#define SDLOG_RINGBUFFER_H_ - -#pragma pack(push, 1) -struct sdlog_sysvector { - uint64_t timestamp; /**< time [us] */ - float gyro[3]; /**< [rad/s] */ - float accel[3]; /**< [m/s^2] */ - float mag[3]; /**< [gauss] */ - float baro; /**< pressure [millibar] */ - float baro_alt; /**< altitude above MSL [meter] */ - float baro_temp; /**< [degree celcius] */ - float control[4]; /**< roll, pitch, yaw [-1..1], thrust [0..1] */ - float actuators[8]; /**< motor 1-8, in motor units (PWM: 1000-2000,AR.Drone: 0-512) */ - float vbat; /**< battery voltage in [volt] */ - float bat_current; /**< battery discharge current */ - float bat_discharged; /**< discharged energy in mAh */ - float adc[4]; /**< ADC ports [volt] */ - float local_position[3]; /**< tangent plane mapping into x,y,z [m] */ - int32_t gps_raw_position[3]; /**< latitude [degrees] north, longitude [degrees] east, altitude above MSL [millimeter] */ - float attitude[3]; /**< roll, pitch, yaw [rad] */ - float rotMatrix[9]; /**< unitvectors */ - float vicon[6]; /**< Vicon ground truth x, y, z and roll, pitch, yaw */ - float control_effective[4]; /**< roll, pitch, yaw [-1..1], thrust [0..1] */ - float flow[6]; /**< flow raw x, y, flow metric x, y, flow ground dist, flow quality */ - float diff_pressure; /**< differential pressure */ - float ind_airspeed; /**< indicated airspeed */ - float true_airspeed; /**< true airspeed */ -}; -#pragma pack(pop) - -struct sdlog_logbuffer { - unsigned int start; - // unsigned int end; - unsigned int size; - int count; - struct sdlog_sysvector *elems; -}; - -void sdlog_logbuffer_init(struct sdlog_logbuffer *lb, int size); - -int sdlog_logbuffer_is_full(struct sdlog_logbuffer *lb); - -int sdlog_logbuffer_is_empty(struct sdlog_logbuffer *lb); - -void sdlog_logbuffer_write(struct sdlog_logbuffer *lb, const struct sdlog_sysvector *elem); - -int sdlog_logbuffer_read(struct sdlog_logbuffer *lb, struct sdlog_sysvector *elem); - -#endif diff --git a/src/modules/sdlog2/module.mk b/src/modules/sdlog2/module.mk index f53129688..a28d43e72 100644 --- a/src/modules/sdlog2/module.mk +++ b/src/modules/sdlog2/module.mk @@ -41,3 +41,5 @@ MODULE_PRIORITY = "SCHED_PRIORITY_MAX-30" SRCS = sdlog2.c \ logbuffer.c + +MODULE_STACKSIZE = 1200 diff --git a/src/modules/sdlog2/sdlog2.c b/src/modules/sdlog2/sdlog2.c index b74d4183b..577cadfbb 100644 --- a/src/modules/sdlog2/sdlog2.c +++ b/src/modules/sdlog2/sdlog2.c @@ -89,6 +89,7 @@ #include <systemlib/systemlib.h> #include <systemlib/param/param.h> +#include <systemlib/perf_counter.h> #include <version/version.h> #include <mavlink/mavlink_log.h> @@ -97,6 +98,36 @@ #include "sdlog2_format.h" #include "sdlog2_messages.h" +/** + * Logging rate. + * + * A value of -1 indicates the commandline argument + * should be obeyed. A value of 0 sets the minimum rate, + * any other value is interpreted as rate in Hertz. This + * parameter is only read out before logging starts (which + * commonly is before arming). + * + * @min -1 + * @max 1 + * @group SD Logging + */ +PARAM_DEFINE_INT32(SDLOG_RATE, -1); + +/** + * Enable extended logging mode. + * + * A value of -1 indicates the commandline argument + * should be obeyed. A value of 0 disables extended + * logging mode, a value of 1 enables it. This + * parameter is only read out before logging starts + * (which commonly is before arming). + * + * @min -1 + * @max 1 + * @group SD Logging + */ +PARAM_DEFINE_INT32(SDLOG_EXT, -1); + #define LOGBUFFER_WRITE_AND_COUNT(_msg) if (logbuffer_write(&lb, &log_msg, LOG_PACKET_SIZE(_msg))) { \ log_msgs_written++; \ } else { \ @@ -112,12 +143,14 @@ static bool main_thread_should_exit = false; /**< Deamon exit flag */ static bool thread_running = false; /**< Deamon status flag */ static int deamon_task; /**< Handle of deamon task / thread */ static bool logwriter_should_exit = false; /**< Logwriter thread exit flag */ -static const int MAX_NO_LOGFOLDER = 999; /**< Maximum number of log dirs */ -static const int MAX_NO_LOGFILE = 999; /**< Maximum number of log files */ +static const unsigned MAX_NO_LOGFOLDER = 999; /**< Maximum number of log dirs */ +static const unsigned MAX_NO_LOGFILE = 999; /**< Maximum number of log files */ static const int LOG_BUFFER_SIZE_DEFAULT = 8192; static const int MAX_WRITE_CHUNK = 512; static const int MIN_BYTES_TO_WRITE = 512; +static bool _extended_logging = false; + static const char *log_root = "/fs/microsd/log"; static int mavlink_fd = -1; struct logbuffer_s lb; @@ -218,6 +251,8 @@ static int create_log_dir(void); */ static int open_log_file(void); +static int open_perf_file(const char* str); + static void sdlog2_usage(const char *reason) { @@ -225,12 +260,13 @@ sdlog2_usage(const char *reason) fprintf(stderr, "%s\n", reason); } - errx(1, "usage: sdlog2 {start|stop|status} [-r <log rate>] [-b <buffer size>] -e -a -t\n" + errx(1, "usage: sdlog2 {start|stop|status} [-r <log rate>] [-b <buffer size>] -e -a -t -x\n" "\t-r\tLog rate in Hz, 0 means unlimited rate\n" "\t-b\tLog buffer size in KiB, default is 8\n" "\t-e\tEnable logging by default (if not, can be started by command)\n" "\t-a\tLog only when armed (can be still overriden by command)\n" - "\t-t\tUse date/time for naming log directories and files\n"); + "\t-t\tUse date/time for naming log directories and files\n" + "\t-x\tExtended logging"); } /** @@ -349,8 +385,8 @@ int create_log_dir() int open_log_file() { /* string to hold the path to the log */ - char log_file_name[16] = ""; - char log_file_path[48] = ""; + char log_file_name[32] = ""; + char log_file_path[64] = ""; if (log_name_timestamp && gps_time != 0) { /* use GPS time for log file naming, e.g. /fs/microsd/2014-01-19/19_37_52.bin */ @@ -378,7 +414,58 @@ int open_log_file() if (file_number > MAX_NO_LOGFILE) { /* we should not end up here, either we have more than MAX_NO_LOGFILE on the SD card, or another problem */ - warnx("all %d possible files exist already", MAX_NO_LOGFILE); + mavlink_log_critical(mavlink_fd, "[sdlog2] ERR: max files %d", MAX_NO_LOGFILE); + return -1; + } + } + + int fd = open(log_file_path, O_CREAT | O_WRONLY | O_DSYNC); + + if (fd < 0) { + warn("failed opening log: %s", log_file_name); + mavlink_log_critical(mavlink_fd, "[sdlog2] failed opening log: %s", log_file_name); + + } else { + warnx("log file: %s", log_file_name); + mavlink_log_info(mavlink_fd, "[sdlog2] log file: %s", log_file_name); + } + + return fd; +} + +int open_perf_file(const char* str) +{ + /* string to hold the path to the log */ + char log_file_name[32] = ""; + char log_file_path[64] = ""; + + if (log_name_timestamp && gps_time != 0) { + /* use GPS time for log file naming, e.g. /fs/microsd/2014-01-19/19_37_52.bin */ + time_t gps_time_sec = gps_time / 1000000; + struct tm t; + gmtime_r(&gps_time_sec, &t); + strftime(log_file_name, sizeof(log_file_name), "perf%H_%M_%S.txt", &t); + snprintf(log_file_path, sizeof(log_file_path), "%s/%s_%s", log_dir, str, log_file_name); + + } else { + unsigned file_number = 1; // start with file log001 + + /* look for the next file that does not exist */ + while (file_number <= MAX_NO_LOGFILE) { + /* format log file path: e.g. /fs/microsd/sess001/log001.bin */ + snprintf(log_file_name, sizeof(log_file_name), "perf%03u.txt", file_number); + snprintf(log_file_path, sizeof(log_file_path), "%s/%s_%s", log_dir, str, log_file_name); + + if (!file_exist(log_file_path)) { + break; + } + + file_number++; + } + + if (file_number > MAX_NO_LOGFILE) { + /* we should not end up here, either we have more than MAX_NO_LOGFILE on the SD card, or another problem */ + mavlink_log_critical(mavlink_fd, "[sdlog2] ERR: max files %d", MAX_NO_LOGFILE); return -1; } } @@ -387,7 +474,7 @@ int open_log_file() if (fd < 0) { warn("failed opening log: %s", log_file_name); - mavlink_log_info(mavlink_fd, "[sdlog2] failed opening log: %s", log_file_name); + mavlink_log_critical(mavlink_fd, "[sdlog2] failed opening log: %s", log_file_name); } else { warnx("log file: %s", log_file_name); @@ -529,6 +616,12 @@ void sdlog2_start_log() errx(1, "error creating logwriter thread"); } + /* write all performance counters */ + int perf_fd = open_perf_file("preflight"); + dprintf(perf_fd, "PERFORMANCE COUNTERS PRE-FLIGHT\n\n"); + perf_print_all(perf_fd); + close(perf_fd); + logging_enabled = true; } @@ -556,6 +649,12 @@ void sdlog2_stop_log() logwriter_pthread = 0; pthread_attr_destroy(&logwriter_attr); + /* write all performance counters */ + int perf_fd = open_perf_file("postflight"); + dprintf(perf_fd, "PERFORMANCE COUNTERS POST-FLIGHT\n\n"); + perf_print_all(perf_fd); + close(perf_fd); + sdlog2_status(); } @@ -572,7 +671,7 @@ int write_formats(int fd) int written = 0; /* fill message format packet for each format and write it */ - for (int i = 0; i < log_formats_num; i++) { + for (unsigned i = 0; i < log_formats_num; i++) { log_msg_format.body = log_formats[i]; written += write(fd, &log_msg_format, sizeof(log_msg_format)); } @@ -679,12 +778,12 @@ int sdlog2_thread_main(int argc, char *argv[]) * set error flag instead */ bool err_flag = false; - while ((ch = getopt(argc, argv, "r:b:eat")) != EOF) { + while ((ch = getopt(argc, argv, "r:b:eatx")) != EOF) { switch (ch) { case 'r': { unsigned long r = strtoul(optarg, NULL, 10); - if (r <= 0) { + if (r == 0) { r = 1; } @@ -715,6 +814,10 @@ int sdlog2_thread_main(int argc, char *argv[]) log_name_timestamp = true; break; + case 'x': + _extended_logging = true; + break; + case '?': if (optopt == 'c') { warnx("option -%c requires an argument", optopt); @@ -741,6 +844,44 @@ int sdlog2_thread_main(int argc, char *argv[]) gps_time = 0; + /* interpret logging params */ + + param_t log_rate_ph = param_find("SDLOG_RATE"); + + if (log_rate_ph != PARAM_INVALID) { + int32_t param_log_rate; + param_get(log_rate_ph, ¶m_log_rate); + + if (param_log_rate > 0) { + + /* we can't do more than ~ 500 Hz, even with a massive buffer */ + if (param_log_rate > 500) { + param_log_rate = 500; + } + + sleep_delay = 1000000 / param_log_rate; + } else if (param_log_rate == 0) { + /* we need at minimum 10 Hz to be able to see anything */ + sleep_delay = 1000000 / 10; + } + } + + param_t log_ext_ph = param_find("SDLOG_EXT"); + + if (log_ext_ph != PARAM_INVALID) { + + int32_t param_log_extended; + param_get(log_ext_ph, ¶m_log_extended); + + if (param_log_extended > 0) { + _extended_logging = true; + } else if (param_log_extended == 0) { + _extended_logging = false; + } + /* any other value means to ignore the parameter, so no else case */ + + } + /* create log root dir */ int mkdir_ret = mkdir(log_root, S_IRWXU | S_IRWXG | S_IRWXO); @@ -834,6 +975,10 @@ int sdlog2_thread_main(int argc, char *argv[]) struct log_ESTM_s log_ESTM; struct log_PWR_s log_PWR; struct log_VICN_s log_VICN; + struct log_GS0A_s log_GS0A; + struct log_GS0B_s log_GS0B; + struct log_GS1A_s log_GS1A; + struct log_GS1B_s log_GS1B; } body; } log_msg = { LOG_PACKET_HEADER_INIT(0) @@ -967,8 +1112,17 @@ int sdlog2_thread_main(int argc, char *argv[]) LOGBUFFER_WRITE_AND_COUNT(STAT); } - /* --- GPS POSITION --- */ + /* --- GPS POSITION - UNIT #1 --- */ if (gps_pos_updated) { + + float snr_mean = 0.0f; + + for (unsigned i = 0; i < buf_gps_pos.satellites_visible; i++) { + snr_mean += buf_gps_pos.satellite_snr[i]; + } + + snr_mean /= buf_gps_pos.satellites_visible; + log_msg.msg_type = LOG_GPS_MSG; log_msg.body.log_GPS.gps_time = buf_gps_pos.time_gps_usec; log_msg.body.log_GPS.fix_type = buf_gps_pos.fix_type; @@ -981,7 +1135,48 @@ int sdlog2_thread_main(int argc, char *argv[]) log_msg.body.log_GPS.vel_e = buf_gps_pos.vel_e_m_s; log_msg.body.log_GPS.vel_d = buf_gps_pos.vel_d_m_s; log_msg.body.log_GPS.cog = buf_gps_pos.cog_rad; + log_msg.body.log_GPS.sats = buf_gps_pos.satellites_visible; + log_msg.body.log_GPS.snr_mean = snr_mean; + log_msg.body.log_GPS.noise_per_ms = buf_gps_pos.noise_per_ms; + log_msg.body.log_GPS.jamming_indicator = buf_gps_pos.jamming_indicator; LOGBUFFER_WRITE_AND_COUNT(GPS); + + if (_extended_logging) { + /* log the SNR of each satellite for a detailed view of signal quality */ + unsigned gps_msg_max_snr = sizeof(buf_gps_pos.satellite_snr) / sizeof(buf_gps_pos.satellite_snr[0]); + unsigned log_max_snr = sizeof(log_msg.body.log_GS0A.satellite_snr) / sizeof(log_msg.body.log_GS0A.satellite_snr[0]); + + log_msg.msg_type = LOG_GS0A_MSG; + memset(&log_msg.body.log_GS0A, 0, sizeof(log_msg.body.log_GS0A)); + /* fill set A */ + for (unsigned i = 0; i < gps_msg_max_snr; i++) { + + int satindex = buf_gps_pos.satellite_prn[i] - 1; + + /* handles index exceeding and wraps to to arithmetic errors */ + if ((satindex >= 0) && (satindex < (int)log_max_snr)) { + /* map satellites by their ID so that logs from two receivers can be compared */ + log_msg.body.log_GS0A.satellite_snr[satindex] = buf_gps_pos.satellite_snr[i]; + } + } + LOGBUFFER_WRITE_AND_COUNT(GS0A); + + log_msg.msg_type = LOG_GS0B_MSG; + memset(&log_msg.body.log_GS0B, 0, sizeof(log_msg.body.log_GS0B)); + /* fill set B */ + for (unsigned i = 0; i < gps_msg_max_snr; i++) { + + /* get second bank of satellites, thus deduct bank size from index */ + int satindex = buf_gps_pos.satellite_prn[i] - 1 - log_max_snr; + + /* handles index exceeding and wraps to to arithmetic errors */ + if ((satindex >= 0) && (satindex < (int)log_max_snr)) { + /* map satellites by their ID so that logs from two receivers can be compared */ + log_msg.body.log_GS0B.satellite_snr[satindex] = buf_gps_pos.satellite_snr[i]; + } + } + LOGBUFFER_WRITE_AND_COUNT(GS0B); + } } /* --- SENSOR COMBINED --- */ @@ -1105,10 +1300,16 @@ int sdlog2_thread_main(int argc, char *argv[]) log_msg.body.log_LPOS.ref_lat = buf.local_pos.ref_lat * 1e7; log_msg.body.log_LPOS.ref_lon = buf.local_pos.ref_lon * 1e7; log_msg.body.log_LPOS.ref_alt = buf.local_pos.ref_alt; - log_msg.body.log_LPOS.xy_flags = (buf.local_pos.xy_valid ? 1 : 0) | (buf.local_pos.v_xy_valid ? 2 : 0) | (buf.local_pos.xy_global ? 8 : 0); - log_msg.body.log_LPOS.z_flags = (buf.local_pos.z_valid ? 1 : 0) | (buf.local_pos.v_z_valid ? 2 : 0) | (buf.local_pos.z_global ? 8 : 0); + log_msg.body.log_LPOS.pos_flags = (buf.local_pos.xy_valid ? 1 : 0) | + (buf.local_pos.z_valid ? 2 : 0) | + (buf.local_pos.v_xy_valid ? 4 : 0) | + (buf.local_pos.v_z_valid ? 8 : 0) | + (buf.local_pos.xy_global ? 16 : 0) | + (buf.local_pos.z_global ? 32 : 0); log_msg.body.log_LPOS.landed = buf.local_pos.landed; log_msg.body.log_LPOS.ground_dist_flags = (buf.local_pos.dist_bottom_valid ? 1 : 0); + log_msg.body.log_LPOS.eph = buf.local_pos.eph; + log_msg.body.log_LPOS.epv = buf.local_pos.epv; LOGBUFFER_WRITE_AND_COUNT(LPOS); } @@ -1320,6 +1521,7 @@ void sdlog2_status() float seconds = ((float)(hrt_absolute_time() - start_time)) / 1000000.0f; warnx("wrote %lu msgs, %4.2f MiB (average %5.3f KiB/s), skipped %lu msgs", log_msgs_written, (double)mebibytes, (double)(kibibytes / seconds), log_msgs_skipped); + warnx("extended logging: %s", (_extended_logging) ? "ON" : "OFF"); mavlink_log_info(mavlink_fd, "[sdlog2] wrote %lu msgs, skipped %lu msgs", log_msgs_written, log_msgs_skipped); } diff --git a/src/modules/sdlog2/sdlog2_messages.h b/src/modules/sdlog2/sdlog2_messages.h index 595a787d6..f4d88f079 100644 --- a/src/modules/sdlog2/sdlog2_messages.h +++ b/src/modules/sdlog2/sdlog2_messages.h @@ -109,10 +109,11 @@ struct log_LPOS_s { int32_t ref_lat; int32_t ref_lon; float ref_alt; - uint8_t xy_flags; - uint8_t z_flags; + uint8_t pos_flags; uint8_t landed; uint8_t ground_dist_flags; + float eph; + float epv; }; /* --- LPSP - LOCAL POSITION SETPOINT --- */ @@ -138,6 +139,10 @@ struct log_GPS_s { float vel_e; float vel_d; float cog; + uint8_t sats; + uint16_t snr_mean; + uint16_t noise_per_ms; + uint16_t jamming_indicator; }; /* --- ATTC - ATTITUDE CONTROLS (ACTUATOR_0 CONTROLS)--- */ @@ -317,6 +322,30 @@ struct log_VICN_s { float yaw; }; +/* --- GS0A - GPS SNR #0, SAT GROUP A --- */ +#define LOG_GS0A_MSG 26 +struct log_GS0A_s { + uint8_t satellite_snr[16]; /**< dBHz, Signal to noise ratio of satellite C/N0, range 0..99 */ +}; + +/* --- GS0B - GPS SNR #0, SAT GROUP B --- */ +#define LOG_GS0B_MSG 27 +struct log_GS0B_s { + uint8_t satellite_snr[16]; /**< dBHz, Signal to noise ratio of satellite C/N0, range 0..99 */ +}; + +/* --- GS1A - GPS SNR #1, SAT GROUP A --- */ +#define LOG_GS1A_MSG 28 +struct log_GS1A_s { + uint8_t satellite_snr[16]; /**< dBHz, Signal to noise ratio of satellite C/N0, range 0..99 */ +}; + +/* --- GS1B - GPS SNR #1, SAT GROUP B --- */ +#define LOG_GS1B_MSG 29 +struct log_GS1B_s { + uint8_t satellite_snr[16]; /**< dBHz, Signal to noise ratio of satellite C/N0, range 0..99 */ +}; + /********** SYSTEM MESSAGES, ID > 0x80 **********/ /* --- TIME - TIME STAMP --- */ @@ -348,9 +377,9 @@ static const struct log_format_s log_formats[] = { LOG_FORMAT(ATSP, "ffff", "RollSP,PitchSP,YawSP,ThrustSP"), LOG_FORMAT(IMU, "fffffffff", "AccX,AccY,AccZ,GyroX,GyroY,GyroZ,MagX,MagY,MagZ"), LOG_FORMAT(SENS, "fffff", "BaroPres,BaroAlt,BaroTemp,DiffPres,DiffPresFilt"), - LOG_FORMAT(LPOS, "ffffffffLLfBBBB", "X,Y,Z,dist,distR,VX,VY,VZ,RLat,RLon,RAlt,XYFlg,ZFlg,LFlg,GFlg"), + LOG_FORMAT(LPOS, "ffffffffLLfBBBff", "X,Y,Z,Dist,DistR,VX,VY,VZ,RLat,RLon,RAlt,PFlg,LFlg,GFlg,EPH,EPV"), LOG_FORMAT(LPSP, "ffff", "X,Y,Z,Yaw"), - LOG_FORMAT(GPS, "QBffLLfffff", "GPSTime,FixType,EPH,EPV,Lat,Lon,Alt,VelN,VelE,VelD,Cog"), + LOG_FORMAT(GPS, "QBffLLfffffBHHH", "GPSTime,Fix,EPH,EPV,Lat,Lon,Alt,VelN,VelE,VelD,Cog,nSat,SNR,N,J"), LOG_FORMAT(ATTC, "ffff", "Roll,Pitch,Yaw,Thrust"), LOG_FORMAT(STAT, "BBBfBB", "MainState,ArmState,FailsafeState,BatRem,BatWarn,Landed"), LOG_FORMAT(RC, "ffffffffBB", "Ch0,Ch1,Ch2,Ch3,Ch4,Ch5,Ch6,Ch7,Count,SignalLost"), @@ -368,6 +397,10 @@ static const struct log_format_s log_formats[] = { LOG_FORMAT(ESTM, "ffffffffffBBBB", "s0,s1,s2,s3,s4,s5,s6,s7,s8,s9,nStat,statNaN,covNaN,kGainNaN"), LOG_FORMAT(PWR, "fffBBBBB", "Periph5V,Servo5V,RSSI,UsbOk,BrickOk,ServoOk,PeriphOC,HipwrOC"), LOG_FORMAT(VICN, "ffffff", "X,Y,Z,Roll,Pitch,Yaw"), + LOG_FORMAT(GS0A, "BBBBBBBBBBBBBBBB", "s0,s1,s2,s3,s4,s5,s6,s7,s8,s9,s10,s11,s12,s13,s14,s15"), + LOG_FORMAT(GS0B, "BBBBBBBBBBBBBBBB", "s0,s1,s2,s3,s4,s5,s6,s7,s8,s9,s10,s11,s12,s13,s14,s15"), + LOG_FORMAT(GS1A, "BBBBBBBBBBBBBBBB", "s0,s1,s2,s3,s4,s5,s6,s7,s8,s9,s10,s11,s12,s13,s14,s15"), + LOG_FORMAT(GS1B, "BBBBBBBBBBBBBBBB", "s0,s1,s2,s3,s4,s5,s6,s7,s8,s9,s10,s11,s12,s13,s14,s15"), /* system-level messages, ID >= 0x80 */ /* FMT: don't write format of format message, it's useless */ diff --git a/src/modules/segway/BlockSegwayController.cpp b/src/modules/segway/BlockSegwayController.cpp index 96a443c6e..91230a37c 100644 --- a/src/modules/segway/BlockSegwayController.cpp +++ b/src/modules/segway/BlockSegwayController.cpp @@ -35,8 +35,8 @@ void BlockSegwayController::update() { // handle autopilot modes if (_status.main_state == MAIN_STATE_AUTO || - _status.main_state == MAIN_STATE_SEATBELT || - _status.main_state == MAIN_STATE_EASY) { + _status.main_state == MAIN_STATE_ALTCTL || + _status.main_state == MAIN_STATE_POSCTL) { _actuators.control[0] = spdCmd; _actuators.control[1] = spdCmd; diff --git a/src/modules/sensors/module.mk b/src/modules/sensors/module.mk index aa538fd6b..5b1bc5e86 100644 --- a/src/modules/sensors/module.mk +++ b/src/modules/sensors/module.mk @@ -40,3 +40,5 @@ MODULE_PRIORITY = "SCHED_PRIORITY_MAX-5" SRCS = sensors.cpp \ sensor_params.c + +MODULE_STACKSIZE = 1200 diff --git a/src/modules/sensors/sensor_params.c b/src/modules/sensors/sensor_params.c index bc49f5c85..999cf8bb3 100644 --- a/src/modules/sensors/sensor_params.c +++ b/src/modules/sensors/sensor_params.c @@ -488,6 +488,15 @@ PARAM_DEFINE_INT32(BAT_V_SCALE_IO, 10000); * @group Battery Calibration */ PARAM_DEFINE_FLOAT(BAT_V_SCALING, 0.0082f); +#elif CONFIG_ARCH_BOARD_AEROCORE +/** + * Scaling factor for battery voltage sensor on AeroCore. + * + * For R70 = 133K, R71 = 10K --> scale = 1.8 * 143 / (4096*10) = 0.0063 + * + * @group Battery Calibration + */ +PARAM_DEFINE_FLOAT(BAT_V_SCALING, 0.0063f); #else /** * Scaling factor for battery voltage sensor on FMU v1. @@ -536,6 +545,20 @@ PARAM_DEFINE_INT32(RC_MAP_ROLL, 1); PARAM_DEFINE_INT32(RC_MAP_PITCH, 2); /** + * Failsafe channel mapping. + * + * The RC mapping index indicates which channel is used for failsafe + * If 0, whichever channel is mapped to throttle is used + * otherwise the value indicates the specific rc channel to use + * + * @min 0 + * @max 18 + * + * + */ +PARAM_DEFINE_INT32(RC_MAP_FAILSAFE, 0); //Default to throttle function + +/** * Throttle control channel mapping. * * The channel index (starting from 1 for channel 1) indicates @@ -585,13 +608,13 @@ PARAM_DEFINE_INT32(RC_MAP_MODE_SW, 0); PARAM_DEFINE_INT32(RC_MAP_RETURN_SW, 0); /** - * Assist switch channel mapping. + * Posctl switch channel mapping. * * @min 0 * @max 18 * @group Radio Calibration */ -PARAM_DEFINE_INT32(RC_MAP_ASSIST_SW, 0); +PARAM_DEFINE_INT32(RC_MAP_POSCTL_SW, 0); /** * Loiter switch channel mapping. @@ -602,7 +625,14 @@ PARAM_DEFINE_INT32(RC_MAP_ASSIST_SW, 0); */ PARAM_DEFINE_INT32(RC_MAP_LOITER_SW, 0); -//PARAM_DEFINE_INT32(RC_MAP_OFFB_SW, 0); +/** + * Acro switch channel mapping. + * + * @min 0 + * @max 18 + * @group Radio Calibration + */ +PARAM_DEFINE_INT32(RC_MAP_ACRO_SW, 0); /** * Flaps channel mapping. @@ -655,3 +685,99 @@ PARAM_DEFINE_INT32(RC_MAP_AUX3, 0); * @group Radio Calibration */ PARAM_DEFINE_INT32(RC_FAILS_THR, 0); + +/** + * Threshold for selecting assist mode + * + * min:-1 + * max:+1 + * + * 0-1 indicate where in the full channel range the threshold sits + * 0 : min + * 1 : max + * sign indicates polarity of comparison + * positive : true when channel>th + * negative : true when channel<th + * + */ +PARAM_DEFINE_FLOAT(RC_ASSIST_TH, 0.25f); + +/** + * Threshold for selecting auto mode + * + * min:-1 + * max:+1 + * + * 0-1 indicate where in the full channel range the threshold sits + * 0 : min + * 1 : max + * sign indicates polarity of comparison + * positive : true when channel>th + * negative : true when channel<th + * + */ +PARAM_DEFINE_FLOAT(RC_AUTO_TH, 0.75f); + +/** + * Threshold for selecting posctl mode + * + * min:-1 + * max:+1 + * + * 0-1 indicate where in the full channel range the threshold sits + * 0 : min + * 1 : max + * sign indicates polarity of comparison + * positive : true when channel>th + * negative : true when channel<th + * + */ +PARAM_DEFINE_FLOAT(RC_POSCTL_TH, 0.5f); + +/** + * Threshold for selecting return to launch mode + * + * min:-1 + * max:+1 + * + * 0-1 indicate where in the full channel range the threshold sits + * 0 : min + * 1 : max + * sign indicates polarity of comparison + * positive : true when channel>th + * negative : true when channel<th + * + */ +PARAM_DEFINE_FLOAT(RC_RETURN_TH, 0.5f); + +/** + * Threshold for selecting loiter mode + * + * min:-1 + * max:+1 + * + * 0-1 indicate where in the full channel range the threshold sits + * 0 : min + * 1 : max + * sign indicates polarity of comparison + * positive : true when channel>th + * negative : true when channel<th + * + */ +PARAM_DEFINE_FLOAT(RC_LOITER_TH, 0.5f); + +/** + * Threshold for selecting acro mode + * + * min:-1 + * max:+1 + * + * 0-1 indicate where in the full channel range the threshold sits + * 0 : min + * 1 : max + * sign indicates polarity of comparison + * positive : true when channel>th + * negative : true when channel<th + * + */ +PARAM_DEFINE_FLOAT(RC_ACRO_TH, 0.5f); diff --git a/src/modules/sensors/sensors.cpp b/src/modules/sensors/sensors.cpp index e260aae45..b268b1b36 100644 --- a/src/modules/sensors/sensors.cpp +++ b/src/modules/sensors/sensors.cpp @@ -126,6 +126,12 @@ #define ADC_AIRSPEED_VOLTAGE_CHANNEL 15 #endif +#ifdef CONFIG_ARCH_BOARD_AEROCORE +#define ADC_BATTERY_VOLTAGE_CHANNEL 10 +#define ADC_BATTERY_CURRENT_CHANNEL -1 +#define ADC_AIRSPEED_VOLTAGE_CHANNEL -1 +#endif + #define BATT_V_LOWPASS 0.001f #define BATT_V_IGNORE_THRESHOLD 3.5f @@ -175,7 +181,8 @@ private: /** * Get switch position for specified function. */ - switch_pos_t get_rc_switch_position(enum RC_CHANNELS_FUNCTION func); + switch_pos_t get_rc_sw3pos_position(enum RC_CHANNELS_FUNCTION func, float on_th, bool on_inv, float mid_th, bool mid_inv); + switch_pos_t get_rc_sw2pos_position(enum RC_CHANNELS_FUNCTION func, float on_th, bool on_inv); /** * Gather and publish RC input data. @@ -219,8 +226,8 @@ private: struct differential_pressure_s _diff_pres; struct airspeed_s _airspeed; - math::Matrix<3,3> _board_rotation; /**< rotation matrix for the orientation that the board is mounted */ - math::Matrix<3,3> _external_mag_rotation; /**< rotation matrix for the orientation that an external mag is mounted */ + math::Matrix<3, 3> _board_rotation; /**< rotation matrix for the orientation that the board is mounted */ + math::Matrix<3, 3> _external_mag_rotation; /**< rotation matrix for the orientation that an external mag is mounted */ bool _mag_is_external; /**< true if the active mag is on an external board */ uint64_t _battery_discharged; /**< battery discharged current in mA*ms */ @@ -250,13 +257,13 @@ private: int rc_map_pitch; int rc_map_yaw; int rc_map_throttle; + int rc_map_failsafe; int rc_map_mode_sw; int rc_map_return_sw; - int rc_map_assisted_sw; + int rc_map_posctl_sw; int rc_map_loiter_sw; - -// int rc_map_offboard_ctrl_mode_sw; + int rc_map_acro_sw; int rc_map_flaps; @@ -266,7 +273,19 @@ private: int rc_map_aux4; int rc_map_aux5; - int32_t rc_fs_thr; + int32_t rc_fails_thr; + float rc_assist_th; + float rc_auto_th; + float rc_posctl_th; + float rc_return_th; + float rc_loiter_th; + float rc_acro_th; + bool rc_assist_inv; + bool rc_auto_inv; + bool rc_posctl_inv; + bool rc_return_inv; + bool rc_loiter_inv; + bool rc_acro_inv; float battery_voltage_scaling; float battery_current_scaling; @@ -293,13 +312,13 @@ private: param_t rc_map_pitch; param_t rc_map_yaw; param_t rc_map_throttle; + param_t rc_map_failsafe; param_t rc_map_mode_sw; param_t rc_map_return_sw; - param_t rc_map_assisted_sw; + param_t rc_map_posctl_sw; param_t rc_map_loiter_sw; - -// param_t rc_map_offboard_ctrl_mode_sw; + param_t rc_map_acro_sw; param_t rc_map_flaps; @@ -309,7 +328,13 @@ private: param_t rc_map_aux4; param_t rc_map_aux5; - param_t rc_fs_thr; + param_t rc_fails_thr; + param_t rc_assist_th; + param_t rc_auto_th; + param_t rc_posctl_th; + param_t rc_return_th; + param_t rc_loiter_th; + param_t rc_acro_th; param_t battery_voltage_scaling; param_t battery_current_scaling; @@ -416,7 +441,7 @@ private: /** * Main sensor collection task. */ - void task_main() __attribute__((noreturn)); + void task_main(); }; namespace sensors @@ -499,6 +524,7 @@ Sensors::Sensors() : _parameter_handles.rc_map_pitch = param_find("RC_MAP_PITCH"); _parameter_handles.rc_map_yaw = param_find("RC_MAP_YAW"); _parameter_handles.rc_map_throttle = param_find("RC_MAP_THROTTLE"); + _parameter_handles.rc_map_failsafe = param_find("RC_MAP_FAILSAFE"); /* mandatory mode switches, mapped to channel 5 and 6 per default */ _parameter_handles.rc_map_mode_sw = param_find("RC_MAP_MODE_SW"); @@ -507,10 +533,9 @@ Sensors::Sensors() : _parameter_handles.rc_map_flaps = param_find("RC_MAP_FLAPS"); /* optional mode switches, not mapped per default */ - _parameter_handles.rc_map_assisted_sw = param_find("RC_MAP_ASSIST_SW"); + _parameter_handles.rc_map_posctl_sw = param_find("RC_MAP_POSCTL_SW"); _parameter_handles.rc_map_loiter_sw = param_find("RC_MAP_LOITER_SW"); - -// _parameter_handles.rc_map_offboard_ctrl_mode_sw = param_find("RC_MAP_OFFB_SW"); + _parameter_handles.rc_map_acro_sw = param_find("RC_MAP_ACRO_SW"); _parameter_handles.rc_map_aux1 = param_find("RC_MAP_AUX1"); _parameter_handles.rc_map_aux2 = param_find("RC_MAP_AUX2"); @@ -518,8 +543,14 @@ Sensors::Sensors() : _parameter_handles.rc_map_aux4 = param_find("RC_MAP_AUX4"); _parameter_handles.rc_map_aux5 = param_find("RC_MAP_AUX5"); - /* RC failsafe */ - _parameter_handles.rc_fs_thr = param_find("RC_FAILS_THR"); + /* RC thresholds */ + _parameter_handles.rc_fails_thr = param_find("RC_FAILS_THR"); + _parameter_handles.rc_assist_th = param_find("RC_ASSIST_TH"); + _parameter_handles.rc_auto_th = param_find("RC_AUTO_TH"); + _parameter_handles.rc_posctl_th = param_find("RC_POSCTL_TH"); + _parameter_handles.rc_return_th = param_find("RC_RETURN_TH"); + _parameter_handles.rc_loiter_th = param_find("RC_LOITER_TH"); + _parameter_handles.rc_acro_th = param_find("RC_ACRO_TH"); /* gyro offsets */ _parameter_handles.gyro_offset[0] = param_find("SENS_GYRO_XOFF"); @@ -620,8 +651,9 @@ Sensors::parameters_update() } /* handle wrong values */ - if (!rc_valid) + if (!rc_valid) { warnx("WARNING WARNING WARNING\n\nRC CALIBRATION NOT SANE!\n\n"); + } const char *paramerr = "FAIL PARM LOAD"; @@ -642,6 +674,10 @@ Sensors::parameters_update() warnx("%s", paramerr); } + if (param_get(_parameter_handles.rc_map_failsafe, &(_parameters.rc_map_failsafe)) != OK) { + warnx("%s", paramerr); + } + if (param_get(_parameter_handles.rc_map_mode_sw, &(_parameters.rc_map_mode_sw)) != OK) { warnx("%s", paramerr); } @@ -650,7 +686,7 @@ Sensors::parameters_update() warnx("%s", paramerr); } - if (param_get(_parameter_handles.rc_map_assisted_sw, &(_parameters.rc_map_assisted_sw)) != OK) { + if (param_get(_parameter_handles.rc_map_posctl_sw, &(_parameters.rc_map_posctl_sw)) != OK) { warnx("%s", paramerr); } @@ -658,20 +694,38 @@ Sensors::parameters_update() warnx("%s", paramerr); } - if (param_get(_parameter_handles.rc_map_flaps, &(_parameters.rc_map_flaps)) != OK) { + if (param_get(_parameter_handles.rc_map_acro_sw, &(_parameters.rc_map_acro_sw)) != OK) { warnx("%s", paramerr); } -// if (param_get(_parameter_handles.rc_map_offboard_ctrl_mode_sw, &(_parameters.rc_map_offboard_ctrl_mode_sw)) != OK) { -// warnx("Failed getting offboard control mode sw chan index"); -// } + if (param_get(_parameter_handles.rc_map_flaps, &(_parameters.rc_map_flaps)) != OK) { + warnx("%s", paramerr); + } param_get(_parameter_handles.rc_map_aux1, &(_parameters.rc_map_aux1)); param_get(_parameter_handles.rc_map_aux2, &(_parameters.rc_map_aux2)); param_get(_parameter_handles.rc_map_aux3, &(_parameters.rc_map_aux3)); param_get(_parameter_handles.rc_map_aux4, &(_parameters.rc_map_aux4)); param_get(_parameter_handles.rc_map_aux5, &(_parameters.rc_map_aux5)); - param_get(_parameter_handles.rc_fs_thr, &(_parameters.rc_fs_thr)); + param_get(_parameter_handles.rc_fails_thr, &(_parameters.rc_fails_thr)); + param_get(_parameter_handles.rc_assist_th, &(_parameters.rc_assist_th)); + _parameters.rc_assist_inv = (_parameters.rc_assist_th < 0); + _parameters.rc_assist_th = fabs(_parameters.rc_assist_th); + param_get(_parameter_handles.rc_auto_th, &(_parameters.rc_auto_th)); + _parameters.rc_auto_inv = (_parameters.rc_auto_th < 0); + _parameters.rc_auto_th = fabs(_parameters.rc_auto_th); + param_get(_parameter_handles.rc_posctl_th, &(_parameters.rc_posctl_th)); + _parameters.rc_posctl_inv = (_parameters.rc_posctl_th < 0); + _parameters.rc_posctl_th = fabs(_parameters.rc_posctl_th); + param_get(_parameter_handles.rc_return_th, &(_parameters.rc_return_th)); + _parameters.rc_return_inv = (_parameters.rc_return_th < 0); + _parameters.rc_return_th = fabs(_parameters.rc_return_th); + param_get(_parameter_handles.rc_loiter_th, &(_parameters.rc_loiter_th)); + _parameters.rc_loiter_inv = (_parameters.rc_loiter_th < 0); + _parameters.rc_loiter_th = fabs(_parameters.rc_loiter_th); + param_get(_parameter_handles.rc_acro_th, &(_parameters.rc_acro_th)); + _parameters.rc_acro_inv = (_parameters.rc_acro_th < 0); + _parameters.rc_acro_th = fabs(_parameters.rc_acro_th); /* update RC function mappings */ _rc.function[THROTTLE] = _parameters.rc_map_throttle - 1; @@ -681,13 +735,12 @@ Sensors::parameters_update() _rc.function[MODE] = _parameters.rc_map_mode_sw - 1; _rc.function[RETURN] = _parameters.rc_map_return_sw - 1; - _rc.function[ASSISTED] = _parameters.rc_map_assisted_sw - 1; + _rc.function[POSCTL] = _parameters.rc_map_posctl_sw - 1; _rc.function[LOITER] = _parameters.rc_map_loiter_sw - 1; + _rc.function[ACRO] = _parameters.rc_map_acro_sw - 1; _rc.function[FLAPS] = _parameters.rc_map_flaps - 1; -// _rc.function[OFFBOARD_MODE] = _parameters.rc_map_offboard_ctrl_mode_sw - 1; - _rc.function[AUX_1] = _parameters.rc_map_aux1 - 1; _rc.function[AUX_2] = _parameters.rc_map_aux2 - 1; _rc.function[AUX_3] = _parameters.rc_map_aux3 - 1; @@ -765,7 +818,7 @@ Sensors::accel_init() /* set the driver to poll at 1000Hz */ ioctl(fd, SENSORIOCSPOLLRATE, 1000); -#elif CONFIG_ARCH_BOARD_PX4FMU_V2 +#elif CONFIG_ARCH_BOARD_PX4FMU_V2 || CONFIG_ARCH_BOARD_AEROCORE /* set the accel internal sampling rate up to at leat 800Hz */ ioctl(fd, ACCELIOCSSAMPLERATE, 800); @@ -774,7 +827,7 @@ Sensors::accel_init() ioctl(fd, SENSORIOCSPOLLRATE, 800); #else -#error Need a board configuration, either CONFIG_ARCH_BOARD_PX4FMU_V1 or CONFIG_ARCH_BOARD_PX4FMU_V2 +#error Need a board configuration, either CONFIG_ARCH_BOARD_PX4FMU_V1, CONFIG_ARCH_BOARD_PX4FMU_V2 or CONFIG_ARCH_BOARD_AEROCORE #endif @@ -800,12 +853,14 @@ Sensors::gyro_init() #ifdef CONFIG_ARCH_BOARD_PX4FMU_V1 /* set the gyro internal sampling rate up to at least 1000Hz */ - if (ioctl(fd, GYROIOCSSAMPLERATE, 1000) != OK) + if (ioctl(fd, GYROIOCSSAMPLERATE, 1000) != OK) { ioctl(fd, GYROIOCSSAMPLERATE, 800); + } /* set the driver to poll at 1000Hz */ - if (ioctl(fd, SENSORIOCSPOLLRATE, 1000) != OK) + if (ioctl(fd, SENSORIOCSPOLLRATE, 1000) != OK) { ioctl(fd, SENSORIOCSPOLLRATE, 800); + } #else @@ -860,12 +915,15 @@ Sensors::mag_init() ret = ioctl(fd, MAGIOCGEXTERNAL, 0); - if (ret < 0) + if (ret < 0) { errx(1, "FATAL: unknown if magnetometer is external or onboard"); - else if (ret == 1) + + } else if (ret == 1) { _mag_is_external = true; - else + + } else { _mag_is_external = false; + } close(fd); } @@ -965,10 +1023,12 @@ Sensors::mag_poll(struct sensor_combined_s &raw) math::Vector<3> vect(mag_report.x, mag_report.y, mag_report.z); - if (_mag_is_external) + if (_mag_is_external) { vect = _external_mag_rotation * vect; - else + + } else { vect = _board_rotation * vect; + } raw.magnetometer_ga[0] = vect(0); raw.magnetometer_ga[1] = vect(1); @@ -1086,8 +1146,9 @@ Sensors::parameter_update_poll(bool forced) _parameters.gyro_scale[2], }; - if (OK != ioctl(fd, GYROIOCSSCALE, (long unsigned int)&gscale)) + if (OK != ioctl(fd, GYROIOCSSCALE, (long unsigned int)&gscale)) { warn("WARNING: failed to set scale / offsets for gyro"); + } close(fd); @@ -1101,8 +1162,9 @@ Sensors::parameter_update_poll(bool forced) _parameters.accel_scale[2], }; - if (OK != ioctl(fd, ACCELIOCSSCALE, (long unsigned int)&ascale)) + if (OK != ioctl(fd, ACCELIOCSSCALE, (long unsigned int)&ascale)) { warn("WARNING: failed to set scale / offsets for accel"); + } close(fd); @@ -1116,8 +1178,9 @@ Sensors::parameter_update_poll(bool forced) _parameters.mag_scale[2], }; - if (OK != ioctl(fd, MAGIOCSSCALE, (long unsigned int)&mscale)) + if (OK != ioctl(fd, MAGIOCSSCALE, (long unsigned int)&mscale)) { warn("WARNING: failed to set scale / offsets for mag"); + } close(fd); @@ -1131,8 +1194,10 @@ Sensors::parameter_update_poll(bool forced) 1.0f, }; - if (OK != ioctl(fd, AIRSPEEDIOCSSCALE, (long unsigned int)&airscale)) + if (OK != ioctl(fd, AIRSPEEDIOCSSCALE, (long unsigned int)&airscale)) { warn("WARNING: failed to set scale / offsets for airspeed sensor"); + } + close(fd); } @@ -1150,10 +1215,12 @@ void Sensors::adc_poll(struct sensor_combined_s &raw) { /* only read if publishing */ - if (!_publishing) + if (!_publishing) { return; + } hrt_abstime t = hrt_absolute_time(); + /* rate limit to 100 Hz */ if (t - _last_adc >= 10000) { /* make space for a maximum of twelve channels (to ensure reading all channels at once) */ @@ -1178,6 +1245,7 @@ Sensors::adc_poll(struct sensor_combined_s &raw) if (voltage > BATT_V_IGNORE_THRESHOLD) { _battery_status.voltage_v = voltage; + /* one-time initialization of low-pass value to avoid long init delays */ if (_battery_status.voltage_filtered_v < BATT_V_IGNORE_THRESHOLD) { _battery_status.voltage_filtered_v = voltage; @@ -1196,19 +1264,24 @@ Sensors::adc_poll(struct sensor_combined_s &raw) /* handle current only if voltage is valid */ if (_battery_status.voltage_v > 0.0f) { float current = (buf_adc[i].am_data * _parameters.battery_current_scaling); + /* check measured current value */ if (current >= 0.0f) { _battery_status.timestamp = t; _battery_status.current_a = current; + if (_battery_current_timestamp != 0) { /* initialize discharged value */ - if (_battery_status.discharged_mah < 0.0f) + if (_battery_status.discharged_mah < 0.0f) { _battery_status.discharged_mah = 0.0f; + } + _battery_discharged += current * (t - _battery_current_timestamp); _battery_status.discharged_mah = ((float) _battery_discharged) / 3600000.0f; } } } + _battery_current_timestamp = t; } else if (ADC_AIRSPEED_VOLTAGE_CHANNEL == buf_adc[i].am_channel) { @@ -1241,7 +1314,9 @@ Sensors::adc_poll(struct sensor_combined_s &raw) } } } + _last_adc = t; + if (_battery_status.voltage_filtered_v > BATT_V_IGNORE_THRESHOLD) { /* announce the battery status if needed, just publish else */ if (_battery_pub > 0) { @@ -1260,6 +1335,7 @@ Sensors::get_rc_value(enum RC_CHANNELS_FUNCTION func, float min_value, float max { if (_rc.function[func] >= 0) { float value = _rc.chan[_rc.function[func]].scaled; + if (value < min_value) { return min_value; @@ -1269,24 +1345,44 @@ Sensors::get_rc_value(enum RC_CHANNELS_FUNCTION func, float min_value, float max } else { return value; } + } else { return 0.0f; } } switch_pos_t -Sensors::get_rc_switch_position(enum RC_CHANNELS_FUNCTION func) +Sensors::get_rc_sw3pos_position(enum RC_CHANNELS_FUNCTION func, float on_th, bool on_inv, float mid_th, bool mid_inv) { if (_rc.function[func] >= 0) { - float value = _rc.chan[_rc.function[func]].scaled; - if (value > STICK_ON_OFF_LIMIT) { + float value = 0.5f * _rc.chan[_rc.function[func]].scaled + 0.5f; + + if (on_inv ? value < on_th : value > on_th) { return SWITCH_POS_ON; - } else if (value < -STICK_ON_OFF_LIMIT) { + } else if (mid_inv ? value < mid_th : value > mid_th) { + return SWITCH_POS_MIDDLE; + + } else { return SWITCH_POS_OFF; + } + + } else { + return SWITCH_POS_NONE; + } +} + +switch_pos_t +Sensors::get_rc_sw2pos_position(enum RC_CHANNELS_FUNCTION func, float on_th, bool on_inv) +{ + if (_rc.function[func] >= 0) { + float value = 0.5f * _rc.chan[_rc.function[func]].scaled + 0.5f; + + if (on_inv ? value < on_th : value > on_th) { + return SWITCH_POS_ON; } else { - return SWITCH_POS_MIDDLE; + return SWITCH_POS_OFF; } } else { @@ -1318,13 +1414,18 @@ Sensors::rc_poll() /* signal looks good */ signal_lost = false; - /* check throttle failsafe */ - int8_t thr_ch = _rc.function[THROTTLE]; - if (_parameters.rc_fs_thr > 0 && thr_ch >= 0) { - /* throttle failsafe configured */ - if ((_parameters.rc_fs_thr < _parameters.min[thr_ch] && rc_input.values[thr_ch] < _parameters.rc_fs_thr) || - (_parameters.rc_fs_thr > _parameters.max[thr_ch] && rc_input.values[thr_ch] > _parameters.rc_fs_thr)) { - /* throttle failsafe triggered, signal is lost by receiver */ + /* check failsafe */ + int8_t fs_ch = _rc.function[_parameters.rc_map_failsafe]; // get channel mapped to throttle + + if (_parameters.rc_map_failsafe > 0) { // if not 0, use channel number instead of rc.function mapping + fs_ch = _parameters.rc_map_failsafe - 1; + } + + if (_parameters.rc_fails_thr > 0 && fs_ch >= 0) { + /* failsafe configured */ + if ((_parameters.rc_fails_thr < _parameters.min[fs_ch] && rc_input.values[fs_ch] < _parameters.rc_fails_thr) || + (_parameters.rc_fails_thr > _parameters.max[fs_ch] && rc_input.values[fs_ch] > _parameters.rc_fails_thr)) { + /* failsafe triggered, signal is lost by receiver */ signal_lost = true; } } @@ -1332,8 +1433,9 @@ Sensors::rc_poll() unsigned channel_limit = rc_input.channel_count; - if (channel_limit > _rc_max_chan_count) + if (channel_limit > _rc_max_chan_count) { channel_limit = _rc_max_chan_count; + } /* read out and scale values from raw message even if signal is invalid */ for (unsigned int i = 0; i < channel_limit; i++) { @@ -1341,11 +1443,13 @@ Sensors::rc_poll() /* * 1) Constrain to min/max values, as later processing depends on bounds. */ - if (rc_input.values[i] < _parameters.min[i]) + if (rc_input.values[i] < _parameters.min[i]) { rc_input.values[i] = _parameters.min[i]; + } - if (rc_input.values[i] > _parameters.max[i]) + if (rc_input.values[i] > _parameters.max[i]) { rc_input.values[i] = _parameters.max[i]; + } /* * 2) Scale around the mid point differently for lower and upper range. @@ -1377,8 +1481,9 @@ Sensors::rc_poll() _rc.chan[i].scaled *= _parameters.rev[i]; /* handle any parameter-induced blowups */ - if (!isfinite(_rc.chan[i].scaled)) + if (!isfinite(_rc.chan[i].scaled)) { _rc.chan[i].scaled = 0.0f; + } } _rc.chan_count = rc_input.channel_count; @@ -1402,10 +1507,10 @@ Sensors::rc_poll() manual.timestamp = rc_input.timestamp_last_signal; /* limit controls */ - manual.roll = get_rc_value(ROLL, -1.0, 1.0); - manual.pitch = get_rc_value(PITCH, -1.0, 1.0); - manual.yaw = get_rc_value(YAW, -1.0, 1.0); - manual.throttle = get_rc_value(THROTTLE, 0.0, 1.0); + manual.y = get_rc_value(ROLL, -1.0, 1.0); + manual.x = get_rc_value(PITCH, -1.0, 1.0); + manual.r = get_rc_value(YAW, -1.0, 1.0); + manual.z = get_rc_value(THROTTLE, 0.0, 1.0); manual.flaps = get_rc_value(FLAPS, -1.0, 1.0); manual.aux1 = get_rc_value(AUX_1, -1.0, 1.0); manual.aux2 = get_rc_value(AUX_2, -1.0, 1.0); @@ -1414,10 +1519,11 @@ Sensors::rc_poll() manual.aux5 = get_rc_value(AUX_5, -1.0, 1.0); /* mode switches */ - manual.mode_switch = get_rc_switch_position(MODE); - manual.assisted_switch = get_rc_switch_position(ASSISTED); - manual.loiter_switch = get_rc_switch_position(LOITER); - manual.return_switch = get_rc_switch_position(RETURN); + manual.mode_switch = get_rc_sw3pos_position(MODE, _parameters.rc_auto_th, _parameters.rc_auto_inv, _parameters.rc_assist_th, _parameters.rc_assist_inv); + manual.posctl_switch = get_rc_sw2pos_position(POSCTL, _parameters.rc_posctl_th, _parameters.rc_posctl_inv); + manual.return_switch = get_rc_sw2pos_position(RETURN, _parameters.rc_return_th, _parameters.rc_return_inv); + manual.loiter_switch = get_rc_sw2pos_position(LOITER, _parameters.rc_loiter_th, _parameters.rc_loiter_inv); + manual.acro_switch = get_rc_sw2pos_position(ACRO, _parameters.rc_acro_th, _parameters.rc_acro_inv); /* publish manual_control_setpoint topic */ if (_manual_control_pub > 0) { @@ -1433,10 +1539,10 @@ Sensors::rc_poll() actuator_group_3.timestamp = rc_input.timestamp_last_signal; - actuator_group_3.control[0] = manual.roll; - actuator_group_3.control[1] = manual.pitch; - actuator_group_3.control[2] = manual.yaw; - actuator_group_3.control[3] = manual.throttle; + actuator_group_3.control[0] = manual.y; + actuator_group_3.control[1] = manual.x; + actuator_group_3.control[2] = manual.r; + actuator_group_3.control[3] = manual.z; actuator_group_3.control[4] = manual.flaps; actuator_group_3.control[5] = manual.aux1; actuator_group_3.control[6] = manual.aux2; @@ -1560,8 +1666,9 @@ Sensors::task_main() diff_pres_poll(raw); /* Inform other processes that new data is available to copy */ - if (_publishing) + if (_publishing) { orb_publish(ORB_ID(sensor_combined), _sensor_pub, &raw); + } /* Look for new r/c input data */ rc_poll(); @@ -1584,7 +1691,7 @@ Sensors::start() _sensors_task = task_spawn_cmd("sensors_task", SCHED_DEFAULT, SCHED_PRIORITY_MAX - 5, - 2048, + 2000, (main_t)&Sensors::task_main_trampoline, nullptr); @@ -1598,18 +1705,21 @@ Sensors::start() int sensors_main(int argc, char *argv[]) { - if (argc < 1) + if (argc < 1) { errx(1, "usage: sensors {start|stop|status}"); + } if (!strcmp(argv[1], "start")) { - if (sensors::g_sensors != nullptr) + if (sensors::g_sensors != nullptr) { errx(0, "already running"); + } sensors::g_sensors = new Sensors; - if (sensors::g_sensors == nullptr) + if (sensors::g_sensors == nullptr) { errx(1, "alloc failed"); + } if (OK != sensors::g_sensors->start()) { delete sensors::g_sensors; @@ -1621,8 +1731,9 @@ int sensors_main(int argc, char *argv[]) } if (!strcmp(argv[1], "stop")) { - if (sensors::g_sensors == nullptr) + if (sensors::g_sensors == nullptr) { errx(1, "not running"); + } delete sensors::g_sensors; sensors::g_sensors = nullptr; @@ -1641,4 +1752,3 @@ int sensors_main(int argc, char *argv[]) warnx("unrecognized command"); return 1; } - diff --git a/src/modules/systemlib/mixer/mixer.h b/src/modules/systemlib/mixer/mixer.h index 1c889a811..225570fa4 100644 --- a/src/modules/systemlib/mixer/mixer.h +++ b/src/modules/systemlib/mixer/mixer.h @@ -447,6 +447,7 @@ public: QUAD_WIDE, /**< quad in wide configuration */ HEX_X, /**< hex in X configuration */ HEX_PLUS, /**< hex in + configuration */ + HEX_COX, OCTA_X, OCTA_PLUS, OCTA_COX, @@ -516,7 +517,7 @@ private: float _roll_scale; float _pitch_scale; float _yaw_scale; - float _deadband; + float _idle_speed; unsigned _rotor_count; const Rotor *_rotors; diff --git a/src/modules/systemlib/mixer/mixer_load.c b/src/modules/systemlib/mixer/mixer_load.c index b05273c0d..bf3428a50 100644 --- a/src/modules/systemlib/mixer/mixer_load.c +++ b/src/modules/systemlib/mixer/mixer_load.c @@ -41,6 +41,7 @@ #include <string.h> #include <stdio.h> #include <ctype.h> +#include <systemlib/err.h> #include "mixer_load.h" diff --git a/src/modules/systemlib/mixer/mixer_multirotor.cpp b/src/modules/systemlib/mixer/mixer_multirotor.cpp index bf77795d5..092c0e2b0 100644 --- a/src/modules/systemlib/mixer/mixer_multirotor.cpp +++ b/src/modules/systemlib/mixer/mixer_multirotor.cpp @@ -67,6 +67,11 @@ namespace { +float constrain(float val, float min, float max) +{ + return (val < min) ? min : ((val > max) ? max : val); +} + /* * These tables automatically generated by multi_tables - do not edit. */ @@ -110,6 +115,14 @@ const MultirotorMixer::Rotor _config_hex_plus[] = { { 0.866025, 0.500000, 1.00 }, { -0.866025, -0.500000, -1.00 }, }; +const MultirotorMixer::Rotor _config_hex_cox[] = { + { -0.866025, 0.500000, -1.00 }, + { -0.866025, 0.500000, 1.00 }, + { -0.000000, -1.000000, -1.00 }, + { -0.000000, -1.000000, 1.00 }, + { 0.866025, 0.500000, -1.00 }, + { 0.866025, 0.500000, 1.00 }, +}; const MultirotorMixer::Rotor _config_octa_x[] = { { -0.382683, 0.923880, -1.00 }, { 0.382683, -0.923880, -1.00 }, @@ -147,6 +160,7 @@ const MultirotorMixer::Rotor *_config_index[MultirotorMixer::MAX_GEOMETRY] = { &_config_quad_wide[0], &_config_hex_x[0], &_config_hex_plus[0], + &_config_hex_cox[0], &_config_octa_x[0], &_config_octa_plus[0], &_config_octa_cox[0], @@ -158,6 +172,7 @@ const unsigned _config_rotor_count[MultirotorMixer::MAX_GEOMETRY] = { 4, /* quad_wide */ 6, /* hex_x */ 6, /* hex_plus */ + 6, /* hex_cox */ 8, /* octa_x */ 8, /* octa_plus */ 8, /* octa_cox */ @@ -171,12 +186,12 @@ MultirotorMixer::MultirotorMixer(ControlCallback control_cb, float roll_scale, float pitch_scale, float yaw_scale, - float deadband) : + float idle_speed) : Mixer(control_cb, cb_handle), _roll_scale(roll_scale), _pitch_scale(pitch_scale), _yaw_scale(yaw_scale), - _deadband(-1.0f + deadband), /* shift to output range here to avoid runtime calculation */ + _idle_speed(-1.0f + idle_speed * 2.0f), /* shift to output range here to avoid runtime calculation */ _rotor_count(_config_rotor_count[geometry]), _rotors(_config_index[geometry]) { @@ -247,6 +262,9 @@ MultirotorMixer::from_text(Mixer::ControlCallback control_cb, uintptr_t cb_handl } else if (!strcmp(geomname, "6x")) { geometry = MultirotorMixer::HEX_X; + } else if (!strcmp(geomname, "6c")) { + geometry = MultirotorMixer::HEX_COX; + } else if (!strcmp(geomname, "8+")) { geometry = MultirotorMixer::OCTA_PLUS; @@ -276,67 +294,67 @@ MultirotorMixer::from_text(Mixer::ControlCallback control_cb, uintptr_t cb_handl unsigned MultirotorMixer::mix(float *outputs, unsigned space) { - float roll = get_control(0, 0) * _roll_scale; + float roll = constrain(get_control(0, 0) * _roll_scale, -1.0f, 1.0f); //lowsyslog("roll: %d, get_control0: %d, %d\n", (int)(roll), (int)(get_control(0, 0)), (int)(_roll_scale)); - float pitch = get_control(0, 1) * _pitch_scale; - float yaw = get_control(0, 2) * _yaw_scale; - float thrust = get_control(0, 3); + float pitch = constrain(get_control(0, 1) * _pitch_scale, -1.0f, 1.0f); + float yaw = constrain(get_control(0, 2) * _yaw_scale, -1.0f, 1.0f); + float thrust = constrain(get_control(0, 3), 0.0f, 1.0f); //lowsyslog("thrust: %d, get_control3: %d\n", (int)(thrust), (int)(get_control(0, 3))); - float max = 0.0f; - float fixup_scale; + float min_out = 0.0f; + float max_out = 0.0f; + float scale_yaw = 1.0f; - /* use an output factor to prevent too strong control signals at low throttle */ - float min_thrust = 0.05f; - float max_thrust = 1.0f; - float startpoint_full_control = 0.40f; - float output_factor; + /* perform initial mix pass yielding unbounded outputs, ignore yaw */ + for (unsigned i = 0; i < _rotor_count; i++) { + float out = roll * _rotors[i].roll_scale + + pitch * _rotors[i].pitch_scale + + thrust; - /* keep roll, pitch and yaw control to 0 below min thrust */ - if (thrust <= min_thrust) { - output_factor = 0.0f; - /* linearly increase the output factor from 0 to 1 between min_thrust and startpoint_full_control */ + /* limit yaw if it causes outputs clipping */ + if (out >= 0.0f && out < -yaw * _rotors[i].yaw_scale) { + yaw = -out / _rotors[i].yaw_scale; + } - } else if (thrust < startpoint_full_control && thrust > min_thrust) { - output_factor = (thrust / max_thrust) / (startpoint_full_control - min_thrust); - /* and then stay at full control */ + /* calculate min and max output values */ + if (out < min_out) { + min_out = out; + } + if (out > max_out) { + max_out = out; + } - } else { - output_factor = max_thrust; + outputs[i] = out; } - roll *= output_factor; - pitch *= output_factor; - yaw *= output_factor; - - - /* perform initial mix pass yielding un-bounded outputs */ - for (unsigned i = 0; i < _rotor_count; i++) { - float tmp = roll * _rotors[i].roll_scale + - pitch * _rotors[i].pitch_scale + - yaw * _rotors[i].yaw_scale + - thrust; + /* scale down roll/pitch controls if some outputs are negative, don't add yaw, keep total thrust */ + if (min_out < 0.0) { + float scale_in = thrust / (thrust - min_out); - if (tmp > max) - max = tmp; + /* mix again with adjusted controls */ + for (unsigned i = 0; i < _rotor_count; i++) { + outputs[i] = scale_in * (roll * _rotors[i].roll_scale + pitch * _rotors[i].pitch_scale) + thrust; + } - outputs[i] = tmp; + } else { + /* roll/pitch mixed without limiting, add yaw control */ + for (unsigned i = 0; i < _rotor_count; i++) { + outputs[i] += yaw * _rotors[i].yaw_scale; + } } - /* scale values into the -1.0 - 1.0 range */ - if (max > 1.0f) { - fixup_scale = 2.0f / max; + /* scale down all outputs if some outputs are too large, reduce total thrust */ + float scale_out; + if (max_out > 1.0f) { + scale_out = 1.0f / max_out; } else { - fixup_scale = 2.0f; + scale_out = 1.0f; } - for (unsigned i = 0; i < _rotor_count; i++) - outputs[i] = -1.0f + (outputs[i] * fixup_scale); - - /* ensure outputs are out of the deadband */ - for (unsigned i = 0; i < _rotor_count; i++) - if (outputs[i] < _deadband) - outputs[i] = _deadband; + /* scale outputs to range _idle_speed..1, and do final limiting */ + for (unsigned i = 0; i < _rotor_count; i++) { + outputs[i] = constrain(_idle_speed + (outputs[i] * (1.0f - _idle_speed) * scale_out), _idle_speed, 1.0f); + } return _rotor_count; } diff --git a/src/modules/systemlib/mixer/multi_tables b/src/modules/systemlib/mixer/multi_tables index 050bf2f47..b5698036e 100755 --- a/src/modules/systemlib/mixer/multi_tables +++ b/src/modules/systemlib/mixer/multi_tables @@ -52,6 +52,15 @@ set hex_plus { 120 CW } +set hex_cox { + 60 CW + 60 CCW + 180 CW + 180 CCW + -60 CW + -60 CCW +} + set octa_x { 22.5 CW -157.5 CW @@ -85,7 +94,7 @@ set octa_cox { -135 CW } -set tables {quad_x quad_plus quad_v quad_wide hex_x hex_plus octa_x octa_plus octa_cox} +set tables {quad_x quad_plus quad_v quad_wide hex_x hex_plus hex_cox octa_x octa_plus octa_cox} proc factors {a d} { puts [format "\t{ %9.6f, %9.6f, %5.2f }," [rcos [expr $a + 90]] [rcos $a] [expr -$d]]} @@ -104,13 +113,13 @@ foreach table $tables { puts "};" } -puts "const MultirotorMixer::Rotor *_config_index\[MultirotorMixer::Geometry::MAX_GEOMETRY\] = {" +puts "const MultirotorMixer::Rotor *_config_index\[MultirotorMixer::MAX_GEOMETRY\] = {" foreach table $tables { puts [format "\t&_config_%s\[0\]," $table] } puts "};" -puts "const unsigned _config_rotor_count\[MultirotorMixer::Geometry::MAX_GEOMETRY\] = {" +puts "const unsigned _config_rotor_count\[MultirotorMixer::MAX_GEOMETRY\] = {" foreach table $tables { upvar #0 $table angles puts [format "\t%u, /* %s */" [expr [llength $angles] / 2] $table] diff --git a/src/modules/systemlib/param/param.c b/src/modules/systemlib/param/param.c index 2d773fd25..7a499ca72 100644 --- a/src/modules/systemlib/param/param.c +++ b/src/modules/systemlib/param/param.c @@ -521,73 +521,15 @@ param_save_default(void) return ERROR; } - if (res == OK) { - res = param_export(fd, false); + res = param_export(fd, false); - if (res != OK) { - warnx("failed to write parameters to file: %s", filename); - } + if (res != OK) { + warnx("failed to write parameters to file: %s", filename); } close(fd); return res; - -#if 0 - const char *filename_tmp = malloc(strlen(filename) + 5); - sprintf(filename_tmp, "%s.tmp", filename); - - /* delete temp file if exist */ - res = unlink(filename_tmp); - - if (res != OK && errno == ENOENT) - res = OK; - - if (res != OK) - warn("failed to delete temp file: %s", filename_tmp); - - if (res == OK) { - /* write parameters to temp file */ - fd = open(filename_tmp, O_WRONLY | O_CREAT | O_EXCL); - - if (fd < 0) { - warn("failed to open temp file: %s", filename_tmp); - res = ERROR; - } - - if (res == OK) { - res = param_export(fd, false); - - if (res != OK) - warnx("failed to write parameters to file: %s", filename_tmp); - } - - close(fd); - } - - if (res == OK) { - /* delete parameters file */ - res = unlink(filename); - - if (res != OK && errno == ENOENT) - res = OK; - - if (res != OK) - warn("failed to delete parameters file: %s", filename); - } - - if (res == OK) { - /* rename temp file to parameters */ - res = rename(filename_tmp, filename); - - if (res != OK) - warn("failed to rename %s to %s", filename_tmp, filename); - } - - free(filename_tmp); - - return res; -#endif } /** diff --git a/src/modules/systemlib/perf_counter.c b/src/modules/systemlib/perf_counter.c index b4ca0ed3e..22182e39e 100644 --- a/src/modules/systemlib/perf_counter.c +++ b/src/modules/systemlib/perf_counter.c @@ -282,12 +282,18 @@ perf_reset(perf_counter_t handle) void perf_print_counter(perf_counter_t handle) { + perf_print_counter_fd(0, handle); +} + +void +perf_print_counter_fd(int fd, perf_counter_t handle) +{ if (handle == NULL) return; switch (handle->type) { case PC_COUNT: - printf("%s: %llu events\n", + dprintf(fd, "%s: %llu events\n", handle->name, ((struct perf_ctr_count *)handle)->event_count); break; @@ -295,7 +301,7 @@ perf_print_counter(perf_counter_t handle) case PC_ELAPSED: { struct perf_ctr_elapsed *pce = (struct perf_ctr_elapsed *)handle; - printf("%s: %llu events, %lluus elapsed, %llu avg, min %lluus max %lluus\n", + dprintf(fd, "%s: %llu events, %lluus elapsed, %llu avg, min %lluus max %lluus\n", handle->name, pce->event_count, pce->time_total, @@ -308,7 +314,7 @@ perf_print_counter(perf_counter_t handle) case PC_INTERVAL: { struct perf_ctr_interval *pci = (struct perf_ctr_interval *)handle; - printf("%s: %llu events, %llu avg, min %lluus max %lluus\n", + dprintf(fd, "%s: %llu events, %llu avg, min %lluus max %lluus\n", handle->name, pci->event_count, (pci->time_last - pci->time_first) / pci->event_count, @@ -349,12 +355,12 @@ perf_event_count(perf_counter_t handle) } void -perf_print_all(void) +perf_print_all(int fd) { perf_counter_t handle = (perf_counter_t)sq_peek(&perf_counters); while (handle != NULL) { - perf_print_counter(handle); + perf_print_counter_fd(fd, handle); handle = (perf_counter_t)sq_next(&handle->link); } } diff --git a/src/modules/systemlib/perf_counter.h b/src/modules/systemlib/perf_counter.h index d8f69fdbf..6835ee4a2 100644 --- a/src/modules/systemlib/perf_counter.h +++ b/src/modules/systemlib/perf_counter.h @@ -121,16 +121,26 @@ __EXPORT extern void perf_cancel(perf_counter_t handle); __EXPORT extern void perf_reset(perf_counter_t handle); /** - * Print one performance counter. + * Print one performance counter to stdout * * @param handle The counter to print. */ __EXPORT extern void perf_print_counter(perf_counter_t handle); /** + * Print one performance counter to a fd. + * + * @param fd File descriptor to print to - e.g. 0 for stdout + * @param handle The counter to print. + */ +__EXPORT extern void perf_print_counter_fd(int fd, perf_counter_t handle); + +/** * Print all of the performance counters. + * + * @param fd File descriptor to print to - e.g. 0 for stdout */ -__EXPORT extern void perf_print_all(void); +__EXPORT extern void perf_print_all(int fd); /** * Reset all of the performance counters. diff --git a/src/modules/systemlib/pid/pid.c b/src/modules/systemlib/pid/pid.c index 6a4e9392a..45f218a5b 100644 --- a/src/modules/systemlib/pid/pid.c +++ b/src/modules/systemlib/pid/pid.c @@ -53,7 +53,7 @@ #define SIGMA 0.000001f -__EXPORT void pid_init(PID_t *pid, uint8_t mode, float dt_min) +__EXPORT void pid_init(PID_t *pid, pid_mode_t mode, float dt_min) { pid->mode = mode; pid->dt_min = dt_min; diff --git a/src/modules/systemlib/pwm_limit/pwm_limit.c b/src/modules/systemlib/pwm_limit/pwm_limit.c index 190b315f1..ea5ba9e52 100644 --- a/src/modules/systemlib/pwm_limit/pwm_limit.c +++ b/src/modules/systemlib/pwm_limit/pwm_limit.c @@ -136,12 +136,26 @@ void pwm_limit_calc(const bool armed, const unsigned num_channels, const uint16_ } effective_pwm[i] = output[i] * (max_pwm[i] - ramp_min_pwm)/2 + (max_pwm[i] + ramp_min_pwm)/2; + + /* last line of defense against invalid inputs */ + if (effective_pwm[i] < ramp_min_pwm) { + effective_pwm[i] = ramp_min_pwm; + } else if (effective_pwm[i] > max_pwm[i]) { + effective_pwm[i] = max_pwm[i]; + } } } break; case PWM_LIMIT_STATE_ON: for (unsigned i=0; i<num_channels; i++) { effective_pwm[i] = output[i] * (max_pwm[i] - min_pwm[i])/2 + (max_pwm[i] + min_pwm[i])/2; + + /* last line of defense against invalid inputs */ + if (effective_pwm[i] < min_pwm[i]) { + effective_pwm[i] = min_pwm[i]; + } else if (effective_pwm[i] > max_pwm[i]) { + effective_pwm[i] = max_pwm[i]; + } } break; default: diff --git a/src/modules/systemlib/rc_check.c b/src/modules/systemlib/rc_check.c index 21e15ec56..c0c1a5cb4 100644 --- a/src/modules/systemlib/rc_check.c +++ b/src/modules/systemlib/rc_check.c @@ -140,7 +140,7 @@ int rc_calibration_check(int mavlink_fd) { /* sanity checks pass, enable channel */ if (count) { mavlink_log_critical(mavlink_fd, "ERROR: %d config error(s) for RC channel %d.", count, (i + 1)); - warnx(mavlink_fd, "ERROR: %d config error(s) for RC channel %d.", count, (i + 1)); + warnx("ERROR: %d config error(s) for RC channel %d.", count, (i + 1)); usleep(100000); } diff --git a/src/modules/uORB/topics/manual_control_setpoint.h b/src/modules/uORB/topics/manual_control_setpoint.h index a23d89cd2..910b8a623 100644 --- a/src/modules/uORB/topics/manual_control_setpoint.h +++ b/src/modules/uORB/topics/manual_control_setpoint.h @@ -64,22 +64,40 @@ struct manual_control_setpoint_s { /** * Any of the channels may not be available and be set to NaN * to indicate that it does not contain valid data. + * The variable names follow the definition of the + * MANUAL_CONTROL mavlink message. + * The default range is from -1 to 1 (mavlink message -1000 to 1000) + * The range for the z variable is defined from 0 to 1. (The z field of + * the MANUAL_CONTROL mavlink message is defined from -1000 to 1000) */ - float roll; /**< ailerons roll / roll rate input, -1..1 */ - float pitch; /**< elevator / pitch / pitch rate, -1..1 */ - float yaw; /**< rudder / yaw rate / yaw, -1..1 */ - float throttle; /**< throttle / collective thrust / altitude, 0..1 */ + float x; /**< stick position in x direction -1..1 + in general corresponds to forward/back motion or pitch of vehicle, + in general a positive value means forward or negative pitch and + a negative value means backward or positive pitch */ + float y; /**< stick position in y direction -1..1 + in general corresponds to right/left motion or roll of vehicle, + in general a positive value means right or positive roll and + a negative value means left or negative roll */ + float z; /**< throttle stick position 0..1 + in general corresponds to up/down motion or thrust of vehicle, + in general the value corresponds to the demanded throttle by the user, + if the input is used for setting the setpoint of a vertical position + controller any value > 0.5 means up and any value < 0.5 means down */ + float r; /**< yaw stick/twist positon, -1..1 + in general corresponds to the righthand rotation around the vertical + (downwards) axis of the vehicle */ float flaps; /**< flap position */ - float aux1; /**< default function: camera yaw / azimuth */ - float aux2; /**< default function: camera pitch / tilt */ - float aux3; /**< default function: camera trigger */ - float aux4; /**< default function: camera roll */ - float aux5; /**< default function: payload drop */ + float aux1; /**< default function: camera yaw / azimuth */ + float aux2; /**< default function: camera pitch / tilt */ + float aux3; /**< default function: camera trigger */ + float aux4; /**< default function: camera roll */ + float aux5; /**< default function: payload drop */ - switch_pos_t mode_switch; /**< mode 3 position switch (mandatory): manual, assisted, auto */ - switch_pos_t return_switch; /**< land 2 position switch (mandatory): land, no effect */ - switch_pos_t assisted_switch; /**< assisted 2 position switch (optional): seatbelt, simple */ - switch_pos_t loiter_switch; /**< mission 2 position switch (optional): mission, loiter */ + switch_pos_t mode_switch; /**< main mode 3 position switch (mandatory): _MANUAL_, ASSIST, AUTO */ + switch_pos_t return_switch; /**< return to launch 2 position switch (mandatory): _NORMAL_, RTL */ + switch_pos_t posctl_switch; /**< position control 2 position switch (optional): _ALTCTL_, POSCTL */ + switch_pos_t loiter_switch; /**< loiter 2 position switch (optional): _MISSION_, LOITER */ + switch_pos_t acro_switch; /**< acro 2 position switch (optional): _MANUAL_, ACRO */ }; /**< manual control inputs */ /** diff --git a/src/modules/uORB/topics/rc_channels.h b/src/modules/uORB/topics/rc_channels.h index c168b2fac..370c54442 100644 --- a/src/modules/uORB/topics/rc_channels.h +++ b/src/modules/uORB/topics/rc_channels.h @@ -45,12 +45,12 @@ /** * The number of RC channel inputs supported. * Current (Q4/2013) radios support up to 18 channels, - * leaving at a sane value of 15. + * leaving at a sane value of 16. * This number can be greater then number of RC channels, * because single RC channel can be mapped to multiple * functions, e.g. for various mode switches. */ -#define RC_CHANNELS_MAPPED_MAX 15 +#define RC_CHANNELS_MAPPED_MAX 16 /** * This defines the mapping of the RC functions. @@ -64,15 +64,16 @@ enum RC_CHANNELS_FUNCTION { YAW = 3, MODE = 4, RETURN = 5, - ASSISTED = 6, + POSCTL = 6, LOITER = 7, OFFBOARD_MODE = 8, - FLAPS = 9, - AUX_1 = 10, - AUX_2 = 11, - AUX_3 = 12, - AUX_4 = 13, - AUX_5 = 14, + ACRO = 9, + FLAPS = 10, + AUX_1 = 11, + AUX_2 = 12, + AUX_3 = 13, + AUX_4 = 14, + AUX_5 = 15, RC_CHANNELS_FUNCTION_MAX /**< indicates the number of functions. There can be more functions than RC channels. */ }; diff --git a/src/modules/uORB/topics/vehicle_gps_position.h b/src/modules/uORB/topics/vehicle_gps_position.h index 794c3f8bc..5924a324d 100644 --- a/src/modules/uORB/topics/vehicle_gps_position.h +++ b/src/modules/uORB/topics/vehicle_gps_position.h @@ -68,6 +68,9 @@ struct vehicle_gps_position_s { float eph_m; /**< GPS HDOP horizontal dilution of position in m */ float epv_m; /**< GPS VDOP horizontal dilution of position in m */ + unsigned noise_per_ms; /**< */ + unsigned jamming_indicator; /**< */ + uint64_t timestamp_velocity; /**< Timestamp for velocity informations */ float vel_m_s; /**< GPS ground speed (m/s) */ float vel_n_m_s; /**< GPS ground speed in m/s */ @@ -85,7 +88,7 @@ struct vehicle_gps_position_s { uint8_t satellite_used[20]; /**< 0: Satellite not used, 1: used for localization */ uint8_t satellite_elevation[20]; /**< Elevation (0: right on top of receiver, 90: on the horizon) of satellite */ uint8_t satellite_azimuth[20]; /**< Direction of satellite, 0: 0 deg, 255: 360 deg. */ - uint8_t satellite_snr[20]; /**< Signal to noise ratio of satellite */ + uint8_t satellite_snr[20]; /**< dBHz, Signal to noise ratio of satellite C/N0, range 0..99, zero when not tracking this satellite. */ bool satellite_info_available; /**< 0 for no info, 1 for info available */ }; diff --git a/src/modules/uORB/topics/vehicle_local_position.h b/src/modules/uORB/topics/vehicle_local_position.h index a15303ea4..5d39c897d 100644 --- a/src/modules/uORB/topics/vehicle_local_position.h +++ b/src/modules/uORB/topics/vehicle_local_position.h @@ -83,6 +83,8 @@ struct vehicle_local_position_s { float dist_bottom_rate; /**< Distance to bottom surface (ground) change rate */ uint64_t surface_bottom_timestamp; /**< Time when new bottom surface found */ bool dist_bottom_valid; /**< true if distance to bottom surface is valid */ + float eph; + float epv; }; /** diff --git a/src/modules/uORB/topics/vehicle_status.h b/src/modules/uORB/topics/vehicle_status.h index 435230432..ea20a317a 100644 --- a/src/modules/uORB/topics/vehicle_status.h +++ b/src/modules/uORB/topics/vehicle_status.h @@ -63,9 +63,10 @@ /* main state machine */ typedef enum { MAIN_STATE_MANUAL = 0, - MAIN_STATE_SEATBELT, - MAIN_STATE_EASY, + MAIN_STATE_ALTCTL, + MAIN_STATE_POSCTL, MAIN_STATE_AUTO, + MAIN_STATE_ACRO, MAIN_STATE_MAX } main_state_t; |