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Diffstat (limited to 'src/modules/navigator/geofence.h')
-rw-r--r-- | src/modules/navigator/geofence.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/src/modules/navigator/geofence.h b/src/modules/navigator/geofence.h new file mode 100644 index 000000000..2eb126ab5 --- /dev/null +++ b/src/modules/navigator/geofence.h @@ -0,0 +1,94 @@ +/**************************************************************************** + * + * 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 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_ +#define GEOFENCE_H_ + +#include <uORB/topics/fence.h> +#include <controllib/blocks.hpp> +#include <controllib/block/BlockParam.hpp> + +#define GEOFENCE_FILENAME "/fs/microsd/etc/geofence.txt" + +class Geofence : public control::SuperBlock +{ +private: + orb_advert_t _fence_pub; /**< publish fence topic */ + + float _altitude_min; + float _altitude_max; + + unsigned _verticesCount; + + /* Params */ + control::BlockParamInt param_geofence_on; +public: + Geofence(); + ~Geofence(); + + /** + * Return whether craft is inside geofence. + * + * Calculate whether point is inside arbitrary polygon + * @param craft pointer craft coordinates + * @param fence pointer to array of coordinates, one per vertex. First and last vertex are assumed connected + * @return true: craft is inside fence, false:craft is outside fence + */ + bool inside(const struct vehicle_global_position_s *craft); + bool inside(double lat, double lon, float altitude); + + int clearDm(); + + bool valid(); + + /** + * Specify fence vertex position. + */ + void addPoint(int argc, char *argv[]); + + void publishFence(unsigned vertices); + + int loadFromFile(const char *filename); + + bool isEmpty() {return _verticesCount == 0;} +}; + + +#endif /* GEOFENCE_H_ */ |