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author | Thomas Gubler <thomasgubler@gmail.com> | 2015-01-21 14:41:03 +0100 |
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committer | Thomas Gubler <thomasgubler@gmail.com> | 2015-01-21 14:41:03 +0100 |
commit | dcdde8ea88bf57b0432d2b64ed3ce606795c8d00 (patch) | |
tree | 0bf6e997ffe7f7a9cda98c832dbce39601a9242f /src/modules/land_detector/FixedwingLandDetector.h | |
parent | 3a38b0fe359296aa19ec43ab82743aebeadb335c (diff) | |
parent | e8e4a3b5da058bd2ab8575c095dd74a5484333be (diff) | |
download | px4-firmware-dcdde8ea88bf57b0432d2b64ed3ce606795c8d00.tar.gz px4-firmware-dcdde8ea88bf57b0432d2b64ed3ce606795c8d00.tar.bz2 px4-firmware-dcdde8ea88bf57b0432d2b64ed3ce606795c8d00.zip |
Merge remote-tracking branch 'upstream/master' into ros_messagelayer_merge
Conflicts:
src/modules/attitude_estimator_ekf/attitude_estimator_ekf_main.cpp
src/modules/uORB/topics/vehicle_attitude.h
Diffstat (limited to 'src/modules/land_detector/FixedwingLandDetector.h')
-rw-r--r-- | src/modules/land_detector/FixedwingLandDetector.h | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/src/modules/land_detector/FixedwingLandDetector.h b/src/modules/land_detector/FixedwingLandDetector.h new file mode 100644 index 000000000..0e9c092ee --- /dev/null +++ b/src/modules/land_detector/FixedwingLandDetector.h @@ -0,0 +1,105 @@ +/**************************************************************************** + * + * Copyright (c) 2013-2015 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 FixedwingLandDetector.h + * Land detection algorithm for fixedwing + * + * @author Johan Jansen <jnsn.johan@gmail.com> + */ + +#ifndef __FIXED_WING_LAND_DETECTOR_H__ +#define __FIXED_WING_LAND_DETECTOR_H__ + +#include "LandDetector.h" +#include <uORB/topics/vehicle_local_position.h> +#include <uORB/topics/airspeed.h> +#include <uORB/topics/parameter_update.h> +#include <systemlib/param/param.h> + +class FixedwingLandDetector : public LandDetector +{ +public: + FixedwingLandDetector(); + +protected: + /** + * @brief blocking loop, should be run in a separate thread or task. Runs at 50Hz + **/ + bool update() override; + + /** + * @brief Initializes the land detection algorithm + **/ + void initialize() override; + + /** + * @brief polls all subscriptions and pulls any data that has changed + **/ + void updateSubscriptions(); + +private: + /** + * @brief download and update local parameter cache + **/ + void updateParameterCache(const bool force); + + /** + * @brief Handles for interesting parameters + **/ + struct { + param_t maxVelocity; + param_t maxClimbRate; + param_t maxAirSpeed; + } _paramHandle; + + struct { + float maxVelocity; + float maxClimbRate; + float maxAirSpeed; + } _params; + +private: + int _vehicleLocalPositionSub; /**< notification of local position */ + struct vehicle_local_position_s _vehicleLocalPosition; /**< the result from local position subscription */ + int _airspeedSub; + struct airspeed_s _airspeed; + int _parameterSub; + + float _velocity_xy_filtered; + float _velocity_z_filtered; + float _airspeed_filtered; + uint64_t _landDetectTrigger; +}; + +#endif //__FIXED_WING_LAND_DETECTOR_H__ |