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authorpx4dev <px4@purgatory.org>2013-01-06 15:23:12 -0800
committerpx4dev <px4@purgatory.org>2013-01-06 15:23:12 -0800
commite88a981093b071bf19d8802930a21ffb21d4b808 (patch)
treec4d6315697894fcd40153f9711eedabb2da83774 /apps/examples/kalman_demo/KalmanNav.hpp
parentfaced6bfe3826a4fdcfcd72171edbb501226814a (diff)
parent23e8d0b4675e1101a5dd38fa48f96ec3c13ca68b (diff)
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Merge commit '23e8d0b4675e1101a5dd38fa48f96ec3c13ca68b' into local/mathlib
Fix the controllib test_params build.
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+/****************************************************************************
+ *
+ * Copyright (C) 2012 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 <controllib/block/UOrbSubscription.hpp>
+#include <controllib/block/UOrbPublication.hpp>
+
+#include <uORB/topics/vehicle_attitude.h>
+#include <uORB/topics/vehicle_global_position.h>
+#include <uORB/topics/sensor_combined.h>
+#include <uORB/topics/vehicle_gps_position.h>
+#include <uORB/topics/parameter_update.h>
+
+#include <drivers/drv_hrt.h>
+#include <poll.h>
+#include <unistd.h>
+
+class KalmanNav : public control::SuperBlock
+{
+public:
+ KalmanNav(SuperBlock *parent, const char *name);
+ virtual ~KalmanNav() {};
+ void update();
+ virtual void updatePublications();
+ void predictFast(float dt);
+ void predictSlow(float dt);
+ void correctAtt();
+ void correctGps();
+ virtual void updateParams();
+protected:
+ math::Matrix F;
+ math::Matrix G;
+ math::Matrix P;
+ math::Matrix V;
+ math::Matrix HAtt;
+ math::Matrix RAtt;
+ math::Matrix HGps;
+ math::Matrix RGps;
+ math::Dcm C_nb;
+ math::Quaternion q;
+ control::UOrbSubscription<sensor_combined_s> _sensors;
+ control::UOrbSubscription<vehicle_gps_position_s> _gps;
+ control::UOrbSubscription<parameter_update_s> _param_update;
+ control::UOrbPublication<vehicle_global_position_s> _pos;
+ control::UOrbPublication<vehicle_attitude_s> _att;
+ uint64_t _pubTimeStamp;
+ uint64_t _fastTimeStamp;
+ uint64_t _slowTimeStamp;
+ uint64_t _attTimeStamp;
+ uint64_t _outTimeStamp;
+ uint16_t _navFrames;
+ float fN, fE, fD;
+ // states
+ enum {PHI = 0, THETA, PSI, VN, VE, VD, LAT, LON, ALT};
+ float phi, theta, psi;
+ float vN, vE, vD;
+ double lat, lon, alt;
+ control::BlockParam<float> _vGyro;
+ control::BlockParam<float> _vAccel;
+ control::BlockParam<float> _rMag;
+ control::BlockParam<float> _rGpsV;
+ control::BlockParam<float> _rGpsGeo;
+ control::BlockParam<float> _rGpsAlt;
+ control::BlockParam<float> _rAccel;
+ 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; }
+};