diff options
-rw-r--r-- | src/modules/mc_att_control/mc_att_control.cpp | 403 | ||||
-rw-r--r-- | src/modules/mc_att_control/mc_att_control.h | 174 | ||||
-rw-r--r-- | src/modules/mc_att_control/mc_att_control_base.cpp | 3 | ||||
-rw-r--r-- | src/modules/mc_att_control/mc_att_control_base.h | 2 | ||||
-rw-r--r-- | src/modules/mc_att_control/mc_att_control_main.cpp | 583 | ||||
-rw-r--r-- | src/modules/mc_att_control/module.mk | 1 |
6 files changed, 609 insertions, 557 deletions
diff --git a/src/modules/mc_att_control/mc_att_control.cpp b/src/modules/mc_att_control/mc_att_control.cpp new file mode 100644 index 000000000..31cdd99e4 --- /dev/null +++ b/src/modules/mc_att_control/mc_att_control.cpp @@ -0,0 +1,403 @@ +/**************************************************************************** + * + * 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 mc_att_control.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> + * @author Thomas Gubler <thomasgubler@gmail.com> + * @author Julian Oes <julian@oes.ch> + * @author Roman Bapst <bapstr@ethz.ch> + */ + +#include "mc_att_control.h" + +#define YAW_DEADZONE 0.05f +#define MIN_TAKEOFF_THRUST 0.2f +#define RATES_I_LIMIT 0.3f + +namespace mc_att_control +{ + +/* oddly, ERROR is not defined for c++ */ +#ifdef ERROR +# undef ERROR +#endif +static const int ERROR = -1; + +} + +MulticopterAttitudeControl::MulticopterAttitudeControl() : + MulticopterAttitudeControlBase(), + _task_should_exit(false), + _control_task(-1), + _actuators_0_circuit_breaker_enabled(false), + /* subscriptions */ + _v_att_sub(-1), + _v_att_sp_sub(-1), + _v_control_mode_sub(-1), + _params_sub(-1), + _manual_control_sp_sub(-1), + _armed_sub(-1), + + /* publications */ + _att_sp_pub(-1), + _v_rates_sp_pub(-1), + _actuators_0_pub(-1), + n(), + + /* performance counters */ + _loop_perf(perf_alloc(PC_ELAPSED, "mc_att_control")) + +{ + _params_handles.roll_p = param_find("MC_ROLL_P"); + _params_handles.roll_rate_p = param_find("MC_ROLLRATE_P"); + _params_handles.roll_rate_i = param_find("MC_ROLLRATE_I"); + _params_handles.roll_rate_d = param_find("MC_ROLLRATE_D"); + _params_handles.pitch_p = param_find("MC_PITCH_P"); + _params_handles.pitch_rate_p = param_find("MC_PITCHRATE_P"); + _params_handles.pitch_rate_i = param_find("MC_PITCHRATE_I"); + _params_handles.pitch_rate_d = param_find("MC_PITCHRATE_D"); + _params_handles.yaw_p = param_find("MC_YAW_P"); + _params_handles.yaw_rate_p = param_find("MC_YAWRATE_P"); + _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(); + + /* + * do subscriptions + */ + // _v_att_sub = orb_subscribe(ORB_ID(vehicle_attitude)); + PX4_SUBSCRIBE(n, vehicle_attitude, MulticopterAttitudeControl::handle_vehicle_attitude, this, 0); + // _v_att_sp_sub = orb_subscribe(ORB_ID(vehicle_attitude_setpoint)); + PX4_SUBSCRIBE(n, vehicle_attitude_setpoint, 0); + // _v_rates_sp_sub = orb_subscribe(ORB_ID(vehicle_rates_setpoint)); + PX4_SUBSCRIBE(n, vehicle_rates_setpoint, 0); + // _v_control_mode_sub = orb_subscribe(ORB_ID(vehicle_control_mode)); + PX4_SUBSCRIBE(n, vehicle_control_mode, 0); + // _params_sub = orb_subscribe(ORB_ID(parameter_update)); + PX4_SUBSCRIBE(n, parameter_update, 0); + // _manual_control_sp_sub = orb_subscribe(ORB_ID(manual_control_setpoint)); + PX4_SUBSCRIBE(n, manual_control_setpoint, 0); + // _armed_sub = orb_subscribe(ORB_ID(actuator_armed)); + PX4_SUBSCRIBE(n, actuator_armed, 0); + +} + +MulticopterAttitudeControl::~MulticopterAttitudeControl() +{ + if (_control_task != -1) { + /* task wakes up every 100ms or so at the longest */ + _task_should_exit = true; + + /* wait for a second for the task to quit at our request */ + unsigned i = 0; + + do { + /* wait 20ms */ + usleep(20000); + + /* if we have given up, kill it */ + if (++i > 50) { + task_delete(_control_task); + break; + } + } while (_control_task != -1); + } + + // mc_att_control::g_control = nullptr; +} + +int +MulticopterAttitudeControl::parameters_update() +{ + float v; + + /* roll gains */ + param_get(_params_handles.roll_p, &v); + _params.att_p(0) = v; + param_get(_params_handles.roll_rate_p, &v); + _params.rate_p(0) = v; + param_get(_params_handles.roll_rate_i, &v); + _params.rate_i(0) = v; + param_get(_params_handles.roll_rate_d, &v); + _params.rate_d(0) = v; + + /* pitch gains */ + param_get(_params_handles.pitch_p, &v); + _params.att_p(1) = v; + param_get(_params_handles.pitch_rate_p, &v); + _params.rate_p(1) = v; + param_get(_params_handles.pitch_rate_i, &v); + _params.rate_i(1) = v; + param_get(_params_handles.pitch_rate_d, &v); + _params.rate_d(1) = v; + + /* yaw gains */ + param_get(_params_handles.yaw_p, &v); + _params.att_p(2) = v; + param_get(_params_handles.yaw_rate_p, &v); + _params.rate_p(2) = v; + param_get(_params_handles.yaw_rate_i, &v); + _params.rate_i(2) = v; + param_get(_params_handles.yaw_rate_d, &v); + _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 = 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); + + _actuators_0_circuit_breaker_enabled = circuit_breaker_enabled("CBRK_RATE_CTRL", CBRK_RATE_CTRL_KEY); + + return OK; +} + +void +MulticopterAttitudeControl::parameter_update_poll() +{ + bool updated; + + /* Check HIL state if vehicle status has changed */ + orb_check(_params_sub, &updated); + + if (updated) { + struct parameter_update_s param_update; + orb_copy(ORB_ID(parameter_update), _params_sub, ¶m_update); + parameters_update(); + } +} + +void +MulticopterAttitudeControl::vehicle_control_mode_poll() +{ + bool updated; + + /* Check HIL state if vehicle status has changed */ + orb_check(_v_control_mode_sub, &updated); + + if (updated) { + orb_copy(ORB_ID(vehicle_control_mode), _v_control_mode_sub, &_v_control_mode); + } +} + +void +MulticopterAttitudeControl::vehicle_manual_poll() +{ + bool updated; + + /* get pilots inputs */ + orb_check(_manual_control_sp_sub, &updated); + + if (updated) { + orb_copy(ORB_ID(manual_control_setpoint), _manual_control_sp_sub, &_manual_control_sp); + } +} + +void +MulticopterAttitudeControl::vehicle_attitude_setpoint_poll() +{ + /* check if there is a new setpoint */ + bool updated; + orb_check(_v_att_sp_sub, &updated); + + if (updated) { + orb_copy(ORB_ID(vehicle_attitude_setpoint), _v_att_sp_sub, &_v_att_sp); + } +} + +void +MulticopterAttitudeControl::vehicle_rates_setpoint_poll() +{ + /* check if there is a new setpoint */ + bool updated; + orb_check(_v_rates_sp_sub, &updated); + + if (updated) { + orb_copy(ORB_ID(vehicle_rates_setpoint), _v_rates_sp_sub, &_v_rates_sp); + } +} + +void +MulticopterAttitudeControl::arming_status_poll() +{ + /* check if there is a new setpoint */ + bool updated; + orb_check(_armed_sub, &updated); + + if (updated) { + orb_copy(ORB_ID(actuator_armed), _armed_sub, &_armed); + } +} + + +void MulticopterAttitudeControl::handle_vehicle_attitude(const PX4_TOPIC_T(vehicle_attitude) &msg) { + + perf_begin(_loop_perf); + + /* run controller on attitude changes */ + static uint64_t last_run = 0; + float dt = (hrt_absolute_time() - last_run) / 1000000.0f; + last_run = hrt_absolute_time(); + + /* guard against too small (< 2ms) and too large (> 20ms) dt's */ + if (dt < 0.002f) { + dt = 0.002f; + + } else if (dt > 0.02f) { + dt = 0.02f; + } + + /* copy attitude topic */ + orb_copy(ORB_ID(vehicle_attitude), _v_att_sub, &_v_att); + + /* check for updates in other topics */ + parameter_update_poll(); + vehicle_control_mode_poll(); + arming_status_poll(); + vehicle_manual_poll(); + + if (_v_control_mode.flag_control_attitude_enabled) { + control_attitude(dt); + + /* publish the attitude setpoint if needed */ + if (_publish_att_sp) { + _v_att_sp.timestamp = hrt_absolute_time(); + + if (_att_sp_pub > 0) { + orb_publish(ORB_ID(vehicle_attitude_setpoint), _att_sp_pub, + &_v_att_sp); + + } else { + _att_sp_pub = orb_advertise(ORB_ID(vehicle_attitude_setpoint), + &_v_att_sp); + } + } + + /* 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 */ + 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) { + control_attitude_rates(dt); + + /* publish actuator controls */ + _actuators.control[0] = (isfinite(_att_control(0))) ? _att_control(0) : 0.0f; + _actuators.control[1] = (isfinite(_att_control(1))) ? _att_control(1) : 0.0f; + _actuators.control[2] = (isfinite(_att_control(2))) ? _att_control(2) : 0.0f; + _actuators.control[3] = (isfinite(_thrust_sp)) ? _thrust_sp : 0.0f; + _actuators.timestamp = hrt_absolute_time(); + + if (!_actuators_0_circuit_breaker_enabled) { + if (_actuators_0_pub > 0) { + orb_publish(ORB_ID(actuator_controls_0), _actuators_0_pub, &_actuators); + + } else { + _actuators_0_pub = orb_advertise(ORB_ID(actuator_controls_0), &_actuators); + } + } + } +} diff --git a/src/modules/mc_att_control/mc_att_control.h b/src/modules/mc_att_control/mc_att_control.h new file mode 100644 index 000000000..48df88771 --- /dev/null +++ b/src/modules/mc_att_control/mc_att_control.h @@ -0,0 +1,174 @@ +/**************************************************************************** + * + * 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 mc_att_control.h + * Multicopter attitude controller. + * + * @author Tobias Naegeli <naegelit@student.ethz.ch> + * @author Lorenz Meier <lm@inf.ethz.ch> + * @author Anton Babushkin <anton.babushkin@me.com> + * @author Thomas Gubler <thomasgubler@gmail.com> + * @author Julian Oes <julian@oes.ch> + * @author Roman Bapst <bapstr@ethz.ch> + * + * 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, + * so actual rotation axis is not constant. For large deviations controller rotates copter around fixed axis. + * These two approaches fused seamlessly with weight depending on angular error. + * When thrust vector directed near-horizontally (e.g. roll ~= PI/2) yaw setpoint ignored because of singularity. + * Controller doesn't use Euler angles for work, they generated only for more human-friendly control and logging. + * If rotation matrix setpoint is invalid it will be generated from Euler angles for compatibility with old position controllers. + */ + +#include <px4.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <errno.h> +#include <math.h> +#include <poll.h> +#include <drivers/drv_hrt.h> +#include <arch/board/board.h> +#include <systemlib/param/param.h> +#include <systemlib/err.h> +#include <systemlib/perf_counter.h> +#include <systemlib/systemlib.h> +#include <systemlib/circuit_breaker.h> +#include <lib/mathlib/mathlib.h> +#include <lib/geo/geo.h> + +#include "mc_att_control_base.h" + +class MulticopterAttitudeControl : + public MulticopterAttitudeControlBase +{ +public: + /** + * Constructor + */ + MulticopterAttitudeControl(); + + /** + * Destructor, also kills the sensors task. + */ + ~MulticopterAttitudeControl(); + + void handle_vehicle_attitude(const PX4_TOPIC_T(vehicle_attitude) &msg); + + void spin() { n.spin(); } + +private: + bool _task_should_exit; /**< if true, sensor task should exit */ + int _control_task; /**< task handle for sensor task */ + bool _actuators_0_circuit_breaker_enabled; /**< circuit breaker to suppress output */ + + + int _v_att_sub; /**< vehicle attitude subscription */ + int _v_att_sp_sub; /**< vehicle attitude setpoint subscription */ + int _v_rates_sp_sub; /**< vehicle rates setpoint subscription */ + int _v_control_mode_sub; /**< vehicle control mode subscription */ + int _params_sub; /**< parameter updates subscription */ + int _manual_control_sp_sub; /**< manual control setpoint subscription */ + int _armed_sub; /**< arming status subscription */ + + orb_advert_t _att_sp_pub; /**< attitude setpoint publication */ + orb_advert_t _v_rates_sp_pub; /**< rate setpoint publication */ + orb_advert_t _actuators_0_pub; /**< attitude actuator controls publication */ + + px4::NodeHandle n; + + struct { + param_t roll_p; + param_t roll_rate_p; + param_t roll_rate_i; + param_t roll_rate_d; + param_t pitch_p; + param_t pitch_rate_p; + param_t pitch_rate_i; + param_t pitch_rate_d; + param_t yaw_p; + param_t yaw_rate_p; + 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 */ + + perf_counter_t _loop_perf; /**< loop performance counter */ + + /** + * Update our local parameter cache. + */ + int parameters_update(); + + /** + * Check for parameter update and handle it. + */ + void parameter_update_poll(); + + /** + * Check for changes in vehicle control mode. + */ + void vehicle_control_mode_poll(); + + /** + * Check for changes in manual inputs. + */ + void vehicle_manual_poll(); + + /** + * Check for attitude setpoint updates. + */ + void vehicle_attitude_setpoint_poll(); + + /** + * Check for rates setpoint updates. + */ + void vehicle_rates_setpoint_poll(); + + /** + * Check for arming status updates. + */ + void arming_status_poll(); + +}; + diff --git a/src/modules/mc_att_control/mc_att_control_base.cpp b/src/modules/mc_att_control/mc_att_control_base.cpp index f6b3268b5..d0ab1bfbf 100644 --- a/src/modules/mc_att_control/mc_att_control_base.cpp +++ b/src/modules/mc_att_control/mc_att_control_base.cpp @@ -32,7 +32,7 @@ /** * @file mc_att_control_base.cpp * - * MC Attitude Controller + * MC Attitude Controller : Control and math code * * @author Tobias Naegeli <naegelit@student.ethz.ch> * @author Lorenz Meier <lm@inf.ethz.ch> @@ -46,6 +46,7 @@ #include "mc_att_control_base.h" #include <geo/geo.h> #include <math.h> +#include <lib/mathlib/mathlib.h> #ifdef CONFIG_ARCH_ARM #else diff --git a/src/modules/mc_att_control/mc_att_control_base.h b/src/modules/mc_att_control/mc_att_control_base.h index f81a0d772..54a445e0d 100644 --- a/src/modules/mc_att_control/mc_att_control_base.h +++ b/src/modules/mc_att_control/mc_att_control_base.h @@ -35,7 +35,7 @@ /** * @file mc_att_control_base.h * - * MC Attitude Controller + * MC Attitude Controller : Control and math code * * @author Tobias Naegeli <naegelit@student.ethz.ch> * @author Lorenz Meier <lm@inf.ethz.ch> 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 1103191e7..a1dca8a8c 100644 --- a/src/modules/mc_att_control/mc_att_control_main.cpp +++ b/src/modules/mc_att_control/mc_att_control_main.cpp @@ -52,548 +52,33 @@ * If rotation matrix setpoint is invalid it will be generated from Euler angles for compatibility with old position controllers. */ -#include <px4.h> -#include <stdlib.h> #include <string.h> -#include <unistd.h> -#include <errno.h> -#include <math.h> -#include <poll.h> -#include <drivers/drv_hrt.h> -#include <arch/board/board.h> -#include <systemlib/param/param.h> -#include <systemlib/err.h> -#include <systemlib/perf_counter.h> -#include <systemlib/systemlib.h> -#include <systemlib/circuit_breaker.h> -#include <lib/mathlib/mathlib.h> -#include <lib/geo/geo.h> - -#include "mc_att_control_base.h" +#include <cstdlib> +#include "mc_att_control.h" static bool thread_running = false; /**< Deamon status flag */ static int daemon_task; /**< Handle of deamon task / thread */ - -using namespace px4; - -/** - * Multicopter attitude control app start / stop handling function - * - * @ingroup apps - */ - -PX4_MAIN_FUNCTION(mc_att_control); - -int mc_attitude_thread_main(int argc, char *argv[]); - -#define YAW_DEADZONE 0.05f -#define MIN_TAKEOFF_THRUST 0.2f -#define RATES_I_LIMIT 0.3f - -void handle_vehicle_attitude2(const PX4_TOPIC_T(rc_channels) &msg) { - PX4_INFO("RCHandler class heard: [%llu]", msg.timestamp); -} - - namespace px4 { bool task_should_exit = false; } -// PX4_MAIN_FUNCTION(mc_att_control) { px4::init(argc, argv, "listener"); - - // px4::NodeHandle n; - - // PX4_SUBSCRIBE(n, rc_channels, handle_vehicle_attitude2, 1000); - - /** - * px4::spin() will enter a loop, pumping callbacks. With this version, all - * callbacks will be called from within this thread (the main one). px4::spin() - * will exit when Ctrl-C is pressed, or the node is shutdown by the master. - */ - // n.spin(); - // PX4_INFO("finished, returning"); - - // return 0; -// } - -class MulticopterAttitudeControl : - public MulticopterAttitudeControlBase -{ -public: - /** - * Constructor - */ - MulticopterAttitudeControl(); - - /** - * Destructor, also kills the sensors task. - */ - ~MulticopterAttitudeControl(); - - void handle_vehicle_attitude(const PX4_TOPIC_T(vehicle_attitude) &msg); - - void spin() { n.spin(); } - -private: - bool _task_should_exit; /**< if true, sensor task should exit */ - int _control_task; /**< task handle for sensor task */ - bool _actuators_0_circuit_breaker_enabled; /**< circuit breaker to suppress output */ - - - int _v_att_sub; /**< vehicle attitude subscription */ - int _v_att_sp_sub; /**< vehicle attitude setpoint subscription */ - int _v_rates_sp_sub; /**< vehicle rates setpoint subscription */ - int _v_control_mode_sub; /**< vehicle control mode subscription */ - int _params_sub; /**< parameter updates subscription */ - int _manual_control_sp_sub; /**< manual control setpoint subscription */ - int _armed_sub; /**< arming status subscription */ - - orb_advert_t _att_sp_pub; /**< attitude setpoint publication */ - orb_advert_t _v_rates_sp_pub; /**< rate setpoint publication */ - orb_advert_t _actuators_0_pub; /**< attitude actuator controls publication */ - - px4::NodeHandle n; - - struct { - param_t roll_p; - param_t roll_rate_p; - param_t roll_rate_i; - param_t roll_rate_d; - param_t pitch_p; - param_t pitch_rate_p; - param_t pitch_rate_i; - param_t pitch_rate_d; - param_t yaw_p; - param_t yaw_rate_p; - 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 */ - - perf_counter_t _loop_perf; /**< loop performance counter */ - - /** - * Update our local parameter cache. - */ - int parameters_update(); - - /** - * Check for parameter update and handle it. - */ - void parameter_update_poll(); - - /** - * Check for changes in vehicle control mode. - */ - void vehicle_control_mode_poll(); - - /** - * Check for changes in manual inputs. - */ - void vehicle_manual_poll(); - - /** - * Check for attitude setpoint updates. - */ - void vehicle_attitude_setpoint_poll(); - - /** - * Check for rates setpoint updates. - */ - void vehicle_rates_setpoint_poll(); - - /** - * Check for arming status updates. - */ - void arming_status_poll(); - -}; - -namespace mc_att_control -{ - -/* oddly, ERROR is not defined for c++ */ -#ifdef ERROR -# undef ERROR -#endif -static const int ERROR = -1; - -} - -MulticopterAttitudeControl::MulticopterAttitudeControl() : - MulticopterAttitudeControlBase(), - _task_should_exit(false), - _control_task(-1), - _actuators_0_circuit_breaker_enabled(false), - /* subscriptions */ - _v_att_sub(-1), - _v_att_sp_sub(-1), - _v_control_mode_sub(-1), - _params_sub(-1), - _manual_control_sp_sub(-1), - _armed_sub(-1), - - /* publications */ - _att_sp_pub(-1), - _v_rates_sp_pub(-1), - _actuators_0_pub(-1), - n(), - - /* performance counters */ - _loop_perf(perf_alloc(PC_ELAPSED, "mc_att_control")) - -{ - _params_handles.roll_p = param_find("MC_ROLL_P"); - _params_handles.roll_rate_p = param_find("MC_ROLLRATE_P"); - _params_handles.roll_rate_i = param_find("MC_ROLLRATE_I"); - _params_handles.roll_rate_d = param_find("MC_ROLLRATE_D"); - _params_handles.pitch_p = param_find("MC_PITCH_P"); - _params_handles.pitch_rate_p = param_find("MC_PITCHRATE_P"); - _params_handles.pitch_rate_i = param_find("MC_PITCHRATE_I"); - _params_handles.pitch_rate_d = param_find("MC_PITCHRATE_D"); - _params_handles.yaw_p = param_find("MC_YAW_P"); - _params_handles.yaw_rate_p = param_find("MC_YAWRATE_P"); - _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(); - - /* - * do subscriptions - */ - // _v_att_sub = orb_subscribe(ORB_ID(vehicle_attitude)); - PX4_SUBSCRIBE(n, vehicle_attitude, MulticopterAttitudeControl::handle_vehicle_attitude, this, 0); - // _v_att_sp_sub = orb_subscribe(ORB_ID(vehicle_attitude_setpoint)); - PX4_SUBSCRIBE(n, vehicle_attitude_setpoint, 0); - // _v_rates_sp_sub = orb_subscribe(ORB_ID(vehicle_rates_setpoint)); - PX4_SUBSCRIBE(n, vehicle_rates_setpoint, 0); - // _v_control_mode_sub = orb_subscribe(ORB_ID(vehicle_control_mode)); - PX4_SUBSCRIBE(n, vehicle_control_mode, 0); - // _params_sub = orb_subscribe(ORB_ID(parameter_update)); - PX4_SUBSCRIBE(n, parameter_update, 0); - // _manual_control_sp_sub = orb_subscribe(ORB_ID(manual_control_setpoint)); - PX4_SUBSCRIBE(n, manual_control_setpoint, 0); - // _armed_sub = orb_subscribe(ORB_ID(actuator_armed)); - PX4_SUBSCRIBE(n, actuator_armed, 0); - -} - -MulticopterAttitudeControl::~MulticopterAttitudeControl() -{ - if (_control_task != -1) { - /* task wakes up every 100ms or so at the longest */ - _task_should_exit = true; - - /* wait for a second for the task to quit at our request */ - unsigned i = 0; - - do { - /* wait 20ms */ - usleep(20000); - - /* if we have given up, kill it */ - if (++i > 50) { - task_delete(_control_task); - break; - } - } while (_control_task != -1); - } - - // mc_att_control::g_control = nullptr; -} - -int -MulticopterAttitudeControl::parameters_update() -{ - float v; - - /* roll gains */ - param_get(_params_handles.roll_p, &v); - _params.att_p(0) = v; - param_get(_params_handles.roll_rate_p, &v); - _params.rate_p(0) = v; - param_get(_params_handles.roll_rate_i, &v); - _params.rate_i(0) = v; - param_get(_params_handles.roll_rate_d, &v); - _params.rate_d(0) = v; - - /* pitch gains */ - param_get(_params_handles.pitch_p, &v); - _params.att_p(1) = v; - param_get(_params_handles.pitch_rate_p, &v); - _params.rate_p(1) = v; - param_get(_params_handles.pitch_rate_i, &v); - _params.rate_i(1) = v; - param_get(_params_handles.pitch_rate_d, &v); - _params.rate_d(1) = v; - - /* yaw gains */ - param_get(_params_handles.yaw_p, &v); - _params.att_p(2) = v; - param_get(_params_handles.yaw_rate_p, &v); - _params.rate_p(2) = v; - param_get(_params_handles.yaw_rate_i, &v); - _params.rate_i(2) = v; - param_get(_params_handles.yaw_rate_d, &v); - _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 = 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); - - _actuators_0_circuit_breaker_enabled = circuit_breaker_enabled("CBRK_RATE_CTRL", CBRK_RATE_CTRL_KEY); - - return OK; -} - -void -MulticopterAttitudeControl::parameter_update_poll() -{ - bool updated; - - /* Check HIL state if vehicle status has changed */ - orb_check(_params_sub, &updated); - - if (updated) { - struct parameter_update_s param_update; - orb_copy(ORB_ID(parameter_update), _params_sub, ¶m_update); - parameters_update(); - } -} - -void -MulticopterAttitudeControl::vehicle_control_mode_poll() -{ - bool updated; - - /* Check HIL state if vehicle status has changed */ - orb_check(_v_control_mode_sub, &updated); - - if (updated) { - orb_copy(ORB_ID(vehicle_control_mode), _v_control_mode_sub, &_v_control_mode); - } -} - -void -MulticopterAttitudeControl::vehicle_manual_poll() -{ - bool updated; - - /* get pilots inputs */ - orb_check(_manual_control_sp_sub, &updated); - - if (updated) { - orb_copy(ORB_ID(manual_control_setpoint), _manual_control_sp_sub, &_manual_control_sp); - } -} - -void -MulticopterAttitudeControl::vehicle_attitude_setpoint_poll() -{ - /* check if there is a new setpoint */ - bool updated; - orb_check(_v_att_sp_sub, &updated); - - if (updated) { - orb_copy(ORB_ID(vehicle_attitude_setpoint), _v_att_sp_sub, &_v_att_sp); - } -} - -void -MulticopterAttitudeControl::vehicle_rates_setpoint_poll() -{ - /* check if there is a new setpoint */ - bool updated; - orb_check(_v_rates_sp_sub, &updated); - - if (updated) { - orb_copy(ORB_ID(vehicle_rates_setpoint), _v_rates_sp_sub, &_v_rates_sp); - } -} - -void -MulticopterAttitudeControl::arming_status_poll() -{ - /* check if there is a new setpoint */ - bool updated; - orb_check(_armed_sub, &updated); +using namespace px4; - if (updated) { - orb_copy(ORB_ID(actuator_armed), _armed_sub, &_armed); - } +PX4_MAIN_FUNCTION(mc_att_control); +void handle_vehicle_attitude2(const PX4_TOPIC_T(rc_channels) &msg) { + PX4_INFO("RCHandler class heard: [%llu]", msg.timestamp); } -// void -// MulticopterAttitudeControl::task_main() -// { - - - // [> wakeup source: vehicle attitude <] - // struct pollfd fds[1]; - - // fds[0].fd = _v_att_sub; - // fds[0].events = POLLIN; - - // while (!_task_should_exit) { - - - // perf_end(_loop_perf); - // } - - // warnx("exit"); - - // _control_task = -1; - // _exit(0); -// } - -void MulticopterAttitudeControl::handle_vehicle_attitude(const PX4_TOPIC_T(vehicle_attitude) &msg) { - - perf_begin(_loop_perf); - - /* run controller on attitude changes */ - static uint64_t last_run = 0; - float dt = (hrt_absolute_time() - last_run) / 1000000.0f; - last_run = hrt_absolute_time(); - - /* guard against too small (< 2ms) and too large (> 20ms) dt's */ - if (dt < 0.002f) { - dt = 0.002f; - - } else if (dt > 0.02f) { - dt = 0.02f; - } - - /* copy attitude topic */ - orb_copy(ORB_ID(vehicle_attitude), _v_att_sub, &_v_att); - - /* check for updates in other topics */ - parameter_update_poll(); - vehicle_control_mode_poll(); - arming_status_poll(); - vehicle_manual_poll(); - - if (_v_control_mode.flag_control_attitude_enabled) { - control_attitude(dt); - - /* publish the attitude setpoint if needed */ - if (_publish_att_sp) { - _v_att_sp.timestamp = hrt_absolute_time(); - - if (_att_sp_pub > 0) { - orb_publish(ORB_ID(vehicle_attitude_setpoint), _att_sp_pub, - &_v_att_sp); - } else { - _att_sp_pub = orb_advertise(ORB_ID(vehicle_attitude_setpoint), - &_v_att_sp); - } - } - - /* 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 */ - 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) { - control_attitude_rates(dt); - - /* publish actuator controls */ - _actuators.control[0] = (isfinite(_att_control(0))) ? _att_control(0) : 0.0f; - _actuators.control[1] = (isfinite(_att_control(1))) ? _att_control(1) : 0.0f; - _actuators.control[2] = (isfinite(_att_control(2))) ? _att_control(2) : 0.0f; - _actuators.control[3] = (isfinite(_thrust_sp)) ? _thrust_sp : 0.0f; - _actuators.timestamp = hrt_absolute_time(); - - if (!_actuators_0_circuit_breaker_enabled) { - if (_actuators_0_pub > 0) { - orb_publish(ORB_ID(actuator_controls_0), _actuators_0_pub, &_actuators); - - } else { - _actuators_0_pub = orb_advertise(ORB_ID(actuator_controls_0), &_actuators); - } - } - } -} +#if !defined(__linux) && !(defined(__APPLE__) && defined(__MACH__)) +/** + * Multicopter attitude control app start / stop handling function + * + * @ingroup apps + */ -PX4_MAIN_FUNCTION(mc_att_control) +extern "C" __EXPORT int mc_att_control_main(int argc, char *argv[]) { px4::init(argc, argv, "mc_att_control"); @@ -615,54 +100,42 @@ PX4_MAIN_FUNCTION(mc_att_control) SCHED_DEFAULT, SCHED_PRIORITY_MAX - 5, 2000, - mc_attitude_thread_main, + mc_att_control_task_main, (argv) ? (const char **)&argv[2] : (const char **)NULL); exit(0); } - // if (!strcmp(argv[1], "stop")) { - // if (mc_att_control::g_control == nullptr) { - // errx(1, "not running"); - // } + if (!strcmp(argv[1], "stop")) { + task_should_exit = true; + exit(0); + } - // delete mc_att_control::g_control; - // mc_att_control::g_control = nullptr; - // exit(0); - // } + if (!strcmp(argv[1], "status")) { + if (thread_running) { + warnx("is running"); - // if (!strcmp(argv[1], "status")) { - // if (mc_att_control::g_control) { - // errx(0, "running"); + } else { + warnx("not started"); + } - // } else { - // errx(1, "not running"); - // } - // } + exit(0); + } warnx("unrecognized command"); return 1; } +#endif -int mc_attitude_thread_main(int argc, char *argv[]) +PX4_MAIN_FUNCTION(mc_att_control) { - warnx("starting"); - MulticopterAttitudeControl attctl; - thread_running = true; - attctl.spin(); - // while (!task_should_exit) { - // attctl.update(); - // } - warnx("exiting."); - thread_running = false; - return 0; } diff --git a/src/modules/mc_att_control/module.mk b/src/modules/mc_att_control/module.mk index ecd251d45..29254f5bb 100644 --- a/src/modules/mc_att_control/module.mk +++ b/src/modules/mc_att_control/module.mk @@ -38,5 +38,6 @@ MODULE_COMMAND = mc_att_control SRCS = mc_att_control_main.cpp \ + mc_att_control.cpp \ mc_att_control_base.cpp \ mc_att_control_params.c |