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/****************************************************************************
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* |
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* Copyright (c) 2020 PX4 Development Team. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* 3. Neither the name PX4 nor the names of its contributors may be |
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* used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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* |
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****************************************************************************/ |
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#ifndef GROUND_TRUTH_HPP |
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#define GROUND_TRUTH_HPP |
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class MavlinkStreamGroundTruth : public MavlinkStream |
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{ |
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public: |
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static MavlinkStream *new_instance(Mavlink *mavlink) { return new MavlinkStreamGroundTruth(mavlink); } |
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static constexpr const char *get_name_static() { return "GROUND_TRUTH"; } |
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static constexpr uint16_t get_id_static() { return MAVLINK_MSG_ID_HIL_STATE_QUATERNION; } |
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const char *get_name() const override { return get_name_static(); } |
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uint16_t get_id() override { return get_id_static(); } |
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unsigned get_size() override |
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{ |
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if (_att_sub.advertised() || _gpos_sub.advertised()) { |
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return MAVLINK_MSG_ID_HIL_STATE_QUATERNION_LEN + MAVLINK_NUM_NON_PAYLOAD_BYTES; |
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} |
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return 0; |
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} |
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private: |
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explicit MavlinkStreamGroundTruth(Mavlink *mavlink) : MavlinkStream(mavlink) {} |
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uORB::Subscription _angular_velocity_sub{ORB_ID(vehicle_angular_velocity_groundtruth)}; |
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uORB::Subscription _att_sub{ORB_ID(vehicle_attitude_groundtruth)}; |
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uORB::Subscription _gpos_sub{ORB_ID(vehicle_global_position_groundtruth)}; |
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uORB::Subscription _lpos_sub{ORB_ID(vehicle_local_position_groundtruth)}; |
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bool send() override |
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{ |
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if (_angular_velocity_sub.updated() || _att_sub.updated() || _gpos_sub.updated() || _lpos_sub.updated()) { |
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vehicle_attitude_s att{}; |
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_att_sub.copy(&att); |
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vehicle_global_position_s gpos{}; |
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_gpos_sub.copy(&gpos); |
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vehicle_local_position_s lpos{}; |
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_lpos_sub.copy(&lpos); |
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vehicle_angular_velocity_s angular_velocity{}; |
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_angular_velocity_sub.copy(&angular_velocity); |
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mavlink_hil_state_quaternion_t msg{}; |
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// vehicle_attitude -> hil_state_quaternion
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msg.attitude_quaternion[0] = att.q[0]; |
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msg.attitude_quaternion[1] = att.q[1]; |
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msg.attitude_quaternion[2] = att.q[2]; |
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msg.attitude_quaternion[3] = att.q[3]; |
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msg.rollspeed = angular_velocity.xyz[0]; |
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msg.pitchspeed = angular_velocity.xyz[1]; |
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msg.yawspeed = angular_velocity.xyz[2]; |
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// vehicle_global_position -> hil_state_quaternion
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// same units as defined in mavlink/common.xml
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msg.lat = gpos.lat * 1e7; |
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msg.lon = gpos.lon * 1e7; |
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msg.alt = gpos.alt * 1e3f; |
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msg.vx = lpos.vx * 1e2f; |
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msg.vy = lpos.vy * 1e2f; |
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msg.vz = lpos.vz * 1e2f; |
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msg.ind_airspeed = 0; |
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msg.true_airspeed = 0; |
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msg.xacc = lpos.ax; |
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msg.yacc = lpos.ay; |
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msg.zacc = lpos.az; |
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mavlink_msg_hil_state_quaternion_send_struct(_mavlink->get_channel(), &msg); |
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return true; |
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} |
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return false; |
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} |
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}; |
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#endif // GROUND_TRUTH_HPP
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