diff options
Diffstat (limited to 'src/modules/navigator')
23 files changed, 1800 insertions, 77 deletions
diff --git a/src/modules/navigator/datalinkloss.cpp b/src/modules/navigator/datalinkloss.cpp new file mode 100644 index 000000000..66f1c8c73 --- /dev/null +++ b/src/modules/navigator/datalinkloss.cpp @@ -0,0 +1,227 @@ +/**************************************************************************** + * + * 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 datalinkloss.cpp + * Helper class for Data Link Loss Mode according to the OBC rules + * + * @author Thomas Gubler <thomasgubler@gmail.com> + */ + +#include <string.h> +#include <stdlib.h> +#include <math.h> +#include <fcntl.h> + +#include <mavlink/mavlink_log.h> +#include <systemlib/err.h> +#include <geo/geo.h> + +#include <uORB/uORB.h> +#include <uORB/topics/mission.h> +#include <uORB/topics/home_position.h> + +#include "navigator.h" +#include "datalinkloss.h" + +#define DELAY_SIGMA 0.01f + +DataLinkLoss::DataLinkLoss(Navigator *navigator, const char *name) : + MissionBlock(navigator, name), + _param_commsholdwaittime(this, "CH_T"), + _param_commsholdlat(this, "CH_LAT"), + _param_commsholdlon(this, "CH_LON"), + _param_commsholdalt(this, "CH_ALT"), + _param_airfieldhomelat(this, "NAV_AH_LAT", false), + _param_airfieldhomelon(this, "NAV_AH_LON", false), + _param_airfieldhomealt(this, "NAV_AH_ALT", false), + _param_airfieldhomewaittime(this, "AH_T"), + _param_numberdatalinklosses(this, "N"), + _param_skipcommshold(this, "CHSK"), + _dll_state(DLL_STATE_NONE) +{ + /* load initial params */ + updateParams(); + /* initial reset */ + on_inactive(); +} + +DataLinkLoss::~DataLinkLoss() +{ +} + +void +DataLinkLoss::on_inactive() +{ + /* reset DLL state only if setpoint moved */ + if (!_navigator->get_can_loiter_at_sp()) { + _dll_state = DLL_STATE_NONE; + } +} + +void +DataLinkLoss::on_activation() +{ + _dll_state = DLL_STATE_NONE; + updateParams(); + advance_dll(); + set_dll_item(); +} + +void +DataLinkLoss::on_active() +{ + if (is_mission_item_reached()) { + updateParams(); + advance_dll(); + set_dll_item(); + } +} + +void +DataLinkLoss::set_dll_item() +{ + struct position_setpoint_triplet_s *pos_sp_triplet = _navigator->get_position_setpoint_triplet(); + + set_previous_pos_setpoint(); + _navigator->set_can_loiter_at_sp(false); + + switch (_dll_state) { + case DLL_STATE_FLYTOCOMMSHOLDWP: { + _mission_item.lat = (double)(_param_commsholdlat.get()) * 1.0e-7; + _mission_item.lon = (double)(_param_commsholdlon.get()) * 1.0e-7; + _mission_item.altitude_is_relative = false; + _mission_item.altitude = _param_commsholdalt.get(); + _mission_item.yaw = NAN; + _mission_item.loiter_radius = _navigator->get_loiter_radius(); + _mission_item.loiter_direction = 1; + _mission_item.nav_cmd = NAV_CMD_LOITER_TIME_LIMIT; + _mission_item.acceptance_radius = _navigator->get_acceptance_radius(); + _mission_item.time_inside = _param_commsholdwaittime.get() < 0.0f ? 0.0f : _param_commsholdwaittime.get(); + _mission_item.pitch_min = 0.0f; + _mission_item.autocontinue = true; + _mission_item.origin = ORIGIN_ONBOARD; + + _navigator->set_can_loiter_at_sp(true); + break; + } + case DLL_STATE_FLYTOAIRFIELDHOMEWP: { + _mission_item.lat = (double)(_param_airfieldhomelat.get()) * 1.0e-7; + _mission_item.lon = (double)(_param_airfieldhomelon.get()) * 1.0e-7; + _mission_item.altitude_is_relative = false; + _mission_item.altitude = _param_airfieldhomealt.get(); + _mission_item.yaw = NAN; + _mission_item.loiter_radius = _navigator->get_loiter_radius(); + _mission_item.loiter_direction = 1; + _mission_item.nav_cmd = NAV_CMD_LOITER_TIME_LIMIT; + _mission_item.time_inside = _param_airfieldhomewaittime.get() < 0.0f ? 0.0f : _param_airfieldhomewaittime.get(); + _mission_item.acceptance_radius = _navigator->get_acceptance_radius(); + _mission_item.pitch_min = 0.0f; + _mission_item.autocontinue = true; + _mission_item.origin = ORIGIN_ONBOARD; + + _navigator->set_can_loiter_at_sp(true); + break; + } + case DLL_STATE_TERMINATE: { + /* Request flight termination from the commander */ + _navigator->get_mission_result()->flight_termination = true; + _navigator->publish_mission_result(); + warnx("not switched to manual: request flight termination"); + pos_sp_triplet->previous.valid = false; + pos_sp_triplet->current.valid = false; + pos_sp_triplet->next.valid = false; + break; + } + default: + break; + } + + reset_mission_item_reached(); + + /* convert mission item to current position setpoint and make it valid */ + mission_item_to_position_setpoint(&_mission_item, &pos_sp_triplet->current); + pos_sp_triplet->next.valid = false; + + _navigator->set_position_setpoint_triplet_updated(); +} + +void +DataLinkLoss::advance_dll() +{ + switch (_dll_state) { + case DLL_STATE_NONE: + /* Check the number of data link losses. If above home fly home directly */ + /* if number of data link losses limit is not reached fly to comms hold wp */ + if (_navigator->get_vstatus()->data_link_lost_counter > _param_numberdatalinklosses.get()) { + warnx("%d data link losses, limit is %d, fly to airfield home", + _navigator->get_vstatus()->data_link_lost_counter, _param_numberdatalinklosses.get()); + mavlink_log_info(_navigator->get_mavlink_fd(), "#audio: too many DL losses, fly to airfield home"); + _navigator->get_mission_result()->stay_in_failsafe = true; + _navigator->publish_mission_result(); + _dll_state = DLL_STATE_FLYTOAIRFIELDHOMEWP; + } else { + if (!_param_skipcommshold.get()) { + warnx("fly to comms hold, datalink loss counter: %d", _navigator->get_vstatus()->data_link_lost_counter); + mavlink_log_info(_navigator->get_mavlink_fd(), "#audio: fly to comms hold"); + _dll_state = DLL_STATE_FLYTOCOMMSHOLDWP; + } else { + /* comms hold wp not active, fly to airfield home directly */ + warnx("Skipping comms hold wp. Flying directly to airfield home"); + mavlink_log_info(_navigator->get_mavlink_fd(), "#audio: fly to airfield home, comms hold skipped"); + _dll_state = DLL_STATE_FLYTOAIRFIELDHOMEWP; + } + } + break; + case DLL_STATE_FLYTOCOMMSHOLDWP: + warnx("fly to airfield home"); + mavlink_log_info(_navigator->get_mavlink_fd(), "#audio: fly to airfield home"); + _dll_state = DLL_STATE_FLYTOAIRFIELDHOMEWP; + _navigator->get_mission_result()->stay_in_failsafe = true; + _navigator->publish_mission_result(); + break; + case DLL_STATE_FLYTOAIRFIELDHOMEWP: + _dll_state = DLL_STATE_TERMINATE; + warnx("time is up, state should have been changed manually by now"); + mavlink_log_info(_navigator->get_mavlink_fd(), "#audio: no manual control, terminating"); + _navigator->get_mission_result()->stay_in_failsafe = true; + _navigator->publish_mission_result(); + break; + case DLL_STATE_TERMINATE: + warnx("dll end"); + _dll_state = DLL_STATE_END; + break; + + default: + break; + } +} diff --git a/src/modules/navigator/datalinkloss.h b/src/modules/navigator/datalinkloss.h new file mode 100644 index 000000000..31e0e3907 --- /dev/null +++ b/src/modules/navigator/datalinkloss.h @@ -0,0 +1,98 @@ +/*************************************************************************** + * + * 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 datalinkloss.h + * Helper class for Data Link Loss Mode acording to the OBC rules + * + * @author Thomas Gubler <thomasgubler@gmail.com> + */ + +#ifndef NAVIGATOR_DATALINKLOSS_H +#define NAVIGATOR_DATALINKLOSS_H + +#include <controllib/blocks.hpp> +#include <controllib/block/BlockParam.hpp> + +#include <uORB/Subscription.hpp> + +#include "navigator_mode.h" +#include "mission_block.h" + +class Navigator; + +class DataLinkLoss : public MissionBlock +{ +public: + DataLinkLoss(Navigator *navigator, const char *name); + + ~DataLinkLoss(); + + virtual void on_inactive(); + + virtual void on_activation(); + + virtual void on_active(); + +private: + /* Params */ + control::BlockParamFloat _param_commsholdwaittime; + control::BlockParamInt _param_commsholdlat; // * 1e7 + control::BlockParamInt _param_commsholdlon; // * 1e7 + control::BlockParamFloat _param_commsholdalt; + control::BlockParamInt _param_airfieldhomelat; // * 1e7 + control::BlockParamInt _param_airfieldhomelon; // * 1e7 + control::BlockParamFloat _param_airfieldhomealt; + control::BlockParamFloat _param_airfieldhomewaittime; + control::BlockParamInt _param_numberdatalinklosses; + control::BlockParamInt _param_skipcommshold; + + enum DLLState { + DLL_STATE_NONE = 0, + DLL_STATE_FLYTOCOMMSHOLDWP = 1, + DLL_STATE_FLYTOAIRFIELDHOMEWP = 2, + DLL_STATE_TERMINATE = 3, + DLL_STATE_END = 4 + } _dll_state; + + /** + * Set the DLL item + */ + void set_dll_item(); + + /** + * Move to next DLL item + */ + void advance_dll(); + +}; +#endif diff --git a/src/modules/navigator/datalinkloss_params.c b/src/modules/navigator/datalinkloss_params.c new file mode 100644 index 000000000..6780c0c88 --- /dev/null +++ b/src/modules/navigator/datalinkloss_params.c @@ -0,0 +1,126 @@ +/**************************************************************************** + * + * Copyright (c) 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 datalinkloss_params.c + * + * Parameters for DLL + * + * @author Thomas Gubler <thomasgubler@gmail.com> + */ + +#include <nuttx/config.h> + +#include <systemlib/param/param.h> + +/* + * Data Link Loss parameters, accessible via MAVLink + */ + +/** + * Comms hold wait time + * + * The amount of time in seconds the system should wait at the comms hold waypoint + * + * @unit seconds + * @min 0.0 + * @group DLL + */ +PARAM_DEFINE_FLOAT(NAV_DLL_CH_T, 120.0f); + +/** + * Comms hold Lat + * + * Latitude of comms hold waypoint + * + * @unit degrees * 1e7 + * @min 0.0 + * @group DLL + */ +PARAM_DEFINE_INT32(NAV_DLL_CH_LAT, -266072120); + +/** + * Comms hold Lon + * + * Longitude of comms hold waypoint + * + * @unit degrees * 1e7 + * @min 0.0 + * @group DLL + */ +PARAM_DEFINE_INT32(NAV_DLL_CH_LON, 1518453890); + +/** + * Comms hold alt + * + * Altitude of comms hold waypoint + * + * @unit m + * @min 0.0 + * @group DLL + */ +PARAM_DEFINE_FLOAT(NAV_DLL_CH_ALT, 600.0f); + +/** + * Aifield hole wait time + * + * The amount of time in seconds the system should wait at the airfield home waypoint + * + * @unit seconds + * @min 0.0 + * @group DLL + */ +PARAM_DEFINE_FLOAT(NAV_DLL_AH_T, 120.0f); + +/** + * Number of allowed Datalink timeouts + * + * After more than this number of data link timeouts the aircraft returns home directly + * + * @group DLL + * @min 0 + * @max 1000 + */ +PARAM_DEFINE_INT32(NAV_DLL_N, 2); + +/** + * Skip comms hold wp + * + * If set to 1 the system will skip the comms hold wp on data link loss and will directly fly to + * airfield home + * + * @group DLL + * @min 0 + * @max 1 + */ +PARAM_DEFINE_INT32(NAV_DLL_CHSK, 0); diff --git a/src/modules/navigator/enginefailure.cpp b/src/modules/navigator/enginefailure.cpp new file mode 100644 index 000000000..e007b208b --- /dev/null +++ b/src/modules/navigator/enginefailure.cpp @@ -0,0 +1,149 @@ +/**************************************************************************** + * + * 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 enginefailure.cpp + * Helper class for a fixedwing engine failure mode + * + * @author Thomas Gubler <thomasgubler@gmail.com> + */ +#include <string.h> +#include <stdlib.h> +#include <math.h> +#include <fcntl.h> + +#include <mavlink/mavlink_log.h> +#include <systemlib/err.h> +#include <geo/geo.h> + +#include <uORB/uORB.h> +#include <uORB/topics/mission.h> + +#include "navigator.h" +#include "enginefailure.h" + +#define DELAY_SIGMA 0.01f + +EngineFailure::EngineFailure(Navigator *navigator, const char *name) : + MissionBlock(navigator, name), + _ef_state(EF_STATE_NONE) +{ + /* load initial params */ + updateParams(); + /* initial reset */ + on_inactive(); +} + +EngineFailure::~EngineFailure() +{ +} + +void +EngineFailure::on_inactive() +{ + _ef_state = EF_STATE_NONE; +} + +void +EngineFailure::on_activation() +{ + _ef_state = EF_STATE_NONE; + advance_ef(); + set_ef_item(); +} + +void +EngineFailure::on_active() +{ + if (is_mission_item_reached()) { + advance_ef(); + set_ef_item(); + } +} + +void +EngineFailure::set_ef_item() +{ + struct position_setpoint_triplet_s *pos_sp_triplet = _navigator->get_position_setpoint_triplet(); + + /* make sure we have the latest params */ + updateParams(); + + set_previous_pos_setpoint(); + _navigator->set_can_loiter_at_sp(false); + + switch (_ef_state) { + case EF_STATE_LOITERDOWN: { + //XXX create mission item at ground (below?) here + + _mission_item.lat = _navigator->get_global_position()->lat; + _mission_item.lon = _navigator->get_global_position()->lon; + _mission_item.altitude_is_relative = false; + //XXX setting altitude to a very low value, evaluate other options + _mission_item.altitude = _navigator->get_home_position()->alt - 1000.0f; + _mission_item.yaw = NAN; + _mission_item.loiter_radius = _navigator->get_loiter_radius(); + _mission_item.loiter_direction = 1; + _mission_item.nav_cmd = NAV_CMD_LOITER_UNLIMITED; + _mission_item.acceptance_radius = _navigator->get_acceptance_radius(); + _mission_item.pitch_min = 0.0f; + _mission_item.autocontinue = true; + _mission_item.origin = ORIGIN_ONBOARD; + + _navigator->set_can_loiter_at_sp(true); + break; + } + default: + break; + } + + reset_mission_item_reached(); + + /* convert mission item to current position setpoint and make it valid */ + mission_item_to_position_setpoint(&_mission_item, &pos_sp_triplet->current); + pos_sp_triplet->next.valid = false; + + _navigator->set_position_setpoint_triplet_updated(); +} + +void +EngineFailure::advance_ef() +{ + switch (_ef_state) { + case EF_STATE_NONE: + mavlink_log_info(_navigator->get_mavlink_fd(), "#audio: Engine failure. Loitering down"); + _ef_state = EF_STATE_LOITERDOWN; + break; + default: + break; + } +} diff --git a/src/modules/navigator/enginefailure.h b/src/modules/navigator/enginefailure.h new file mode 100644 index 000000000..2c48c2fce --- /dev/null +++ b/src/modules/navigator/enginefailure.h @@ -0,0 +1,83 @@ +/*************************************************************************** + * + * 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 enginefailure.h + * Helper class for a fixedwing engine failure mode + * + * @author Thomas Gubler <thomasgubler@gmail.com> + */ + +#ifndef NAVIGATOR_ENGINEFAILURE_H +#define NAVIGATOR_ENGINEFAILURE_H + +#include <controllib/blocks.hpp> +#include <controllib/block/BlockParam.hpp> + +#include <uORB/Subscription.hpp> + +#include "navigator_mode.h" +#include "mission_block.h" + +class Navigator; + +class EngineFailure : public MissionBlock +{ +public: + EngineFailure(Navigator *navigator, const char *name); + + ~EngineFailure(); + + virtual void on_inactive(); + + virtual void on_activation(); + + virtual void on_active(); + +private: + enum EFState { + EF_STATE_NONE = 0, + EF_STATE_LOITERDOWN = 1, + } _ef_state; + + /** + * Set the DLL item + */ + void set_ef_item(); + + /** + * Move to next EF item + */ + void advance_ef(); + +}; +#endif diff --git a/src/modules/navigator/geofence.cpp b/src/modules/navigator/geofence.cpp index 49aec21e0..0f431ded2 100644 --- a/src/modules/navigator/geofence.cpp +++ b/src/modules/navigator/geofence.cpp @@ -48,6 +48,7 @@ #include <ctype.h> #include <nuttx/config.h> #include <unistd.h> +#include <mavlink/mavlink_log.h> /* Oddly, ERROR is not defined for C++ */ @@ -62,7 +63,12 @@ Geofence::Geofence() : _altitude_min(0), _altitude_max(0), _verticesCount(0), - param_geofence_on(this, "ON") + _param_geofence_on(this, "ON"), + _param_altitude_mode(this, "ALTMODE"), + _param_source(this, "SOURCE"), + _param_counter_threshold(this, "COUNT"), + _outside_counter(0), + _mavlinkFd(-1) { /* Load initial params */ updateParams(); @@ -74,23 +80,69 @@ Geofence::~Geofence() } -bool Geofence::inside(const struct vehicle_global_position_s *vehicle) +bool Geofence::inside(const struct vehicle_global_position_s &global_position) { - return inside(vehicle->lat, vehicle->lon, vehicle->alt); + return inside(global_position.lat, global_position.lon, global_position.alt); +} + +bool Geofence::inside(const struct vehicle_global_position_s &global_position, float baro_altitude_amsl) +{ + return inside(global_position.lat, global_position.lon, baro_altitude_amsl); +} + + +bool Geofence::inside(const struct vehicle_global_position_s &global_position, + const struct vehicle_gps_position_s &gps_position,float baro_altitude_amsl) { + updateParams(); + + if (getAltitudeMode() == Geofence::GF_ALT_MODE_WGS84) { + if (getSource() == Geofence::GF_SOURCE_GLOBALPOS) { + return inside(global_position); + } else { + return inside((double)gps_position.lat * 1.0e-7, (double)gps_position.lon * 1.0e-7, + (double)gps_position.alt * 1.0e-3); + } + } else { + if (getSource() == Geofence::GF_SOURCE_GLOBALPOS) { + return inside(global_position, baro_altitude_amsl); + } else { + return inside((double)gps_position.lat * 1.0e-7, (double)gps_position.lon * 1.0e-7, + baro_altitude_amsl); + } + } } bool Geofence::inside(double lat, double lon, float altitude) { + bool inside_fence = inside_polygon(lat, lon, altitude); + + if (inside_fence) { + _outside_counter = 0; + return inside_fence; + } { + _outside_counter++; + if(_outside_counter > _param_counter_threshold.get()) { + return inside_fence; + } else { + return true; + } + } +} + + +bool Geofence::inside_polygon(double lat, double lon, float altitude) +{ /* Return true if geofence is disabled */ - if (param_geofence_on.get() != 1) + if (_param_geofence_on.get() != 1) return true; if (valid()) { if (!isEmpty()) { /* Vertical check */ - if (altitude > _altitude_max || altitude < _altitude_min) + if (altitude > _altitude_max || altitude < _altitude_min) { return false; + } /*Horizontal check */ /* Adaptation of algorithm originally presented as @@ -280,8 +332,10 @@ Geofence::loadFromFile(const char *filename) { _verticesCount = pointCounter; warnx("Geofence: imported successfully"); + mavlink_log_info(_mavlinkFd, "Geofence imported"); } else { warnx("Geofence: import error"); + mavlink_log_critical(_mavlinkFd, "#audio: Geofence import error"); } return ERROR; diff --git a/src/modules/navigator/geofence.h b/src/modules/navigator/geofence.h index 2eb126ab5..9d647cb68 100644 --- a/src/modules/navigator/geofence.h +++ b/src/modules/navigator/geofence.h @@ -42,6 +42,9 @@ #define GEOFENCE_H_ #include <uORB/topics/fence.h> +#include <uORB/topics/vehicle_global_position.h> +#include <uORB/topics/vehicle_gps_position.h> +#include <uORB/topics/sensor_combined.h> #include <controllib/blocks.hpp> #include <controllib/block/BlockParam.hpp> @@ -49,30 +52,32 @@ 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(); + /* Altitude mode, corresponding to the param GF_ALTMODE */ + enum { + GF_ALT_MODE_WGS84 = 0, + GF_ALT_MODE_AMSL = 1 + }; + + /* Source, corresponding to the param GF_SOURCE */ + enum { + GF_SOURCE_GLOBALPOS = 0, + GF_SOURCE_GPS = 1 + }; + /** - * Return whether craft is inside geofence. + * Return whether system 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 + * @return true: system is inside fence, false: system is outside fence */ - bool inside(const struct vehicle_global_position_s *craft); - bool inside(double lat, double lon, float altitude); + bool inside(const struct vehicle_global_position_s &global_position, + const struct vehicle_gps_position_s &gps_position,float baro_altitude_amsl); + bool inside_polygon(double lat, double lon, float altitude); int clearDm(); @@ -88,6 +93,34 @@ public: int loadFromFile(const char *filename); bool isEmpty() {return _verticesCount == 0;} + + int getAltitudeMode() { return _param_altitude_mode.get(); } + + int getSource() { return _param_source.get(); } + + void setMavlinkFd(int value) { _mavlinkFd = value; } + +private: + orb_advert_t _fence_pub; /**< publish fence topic */ + + float _altitude_min; + float _altitude_max; + + unsigned _verticesCount; + + /* Params */ + control::BlockParamInt _param_geofence_on; + control::BlockParamInt _param_altitude_mode; + control::BlockParamInt _param_source; + control::BlockParamInt _param_counter_threshold; + + uint8_t _outside_counter; + + int _mavlinkFd; + + bool inside(double lat, double lon, float altitude); + bool inside(const struct vehicle_global_position_s &global_position); + bool inside(const struct vehicle_global_position_s &global_position, float baro_altitude_amsl); }; diff --git a/src/modules/navigator/geofence_params.c b/src/modules/navigator/geofence_params.c index 653b1ad84..fca3918e1 100644 --- a/src/modules/navigator/geofence_params.c +++ b/src/modules/navigator/geofence_params.c @@ -58,3 +58,39 @@ * @group Geofence */ PARAM_DEFINE_INT32(GF_ON, 1); + +/** + * Geofence altitude mode + * + * Select which altitude reference should be used + * 0 = WGS84, 1 = AMSL + * + * @min 0 + * @max 1 + * @group Geofence + */ +PARAM_DEFINE_INT32(GF_ALTMODE, 0); + +/** + * Geofence source + * + * Select which position source should be used. Selecting GPS instead of global position makes sure that there is + * no dependence on the position estimator + * 0 = global position, 1 = GPS + * + * @min 0 + * @max 1 + * @group Geofence + */ +PARAM_DEFINE_INT32(GF_SOURCE, 0); + +/** + * Geofence counter limit + * + * Set how many subsequent position measurements outside of the fence are needed before geofence violation is triggered + * + * @min -1 + * @max 10 + * @group Geofence + */ +PARAM_DEFINE_INT32(GF_COUNT, -1); diff --git a/src/modules/navigator/gpsfailure.cpp b/src/modules/navigator/gpsfailure.cpp new file mode 100644 index 000000000..cd55f60b0 --- /dev/null +++ b/src/modules/navigator/gpsfailure.cpp @@ -0,0 +1,178 @@ +/**************************************************************************** + * + * 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 gpsfailure.cpp + * Helper class for gpsfailure mode according to the OBC rules + * + * @author Thomas Gubler <thomasgubler@gmail.com> + */ + +#include <string.h> +#include <stdlib.h> +#include <math.h> +#include <fcntl.h> + +#include <mavlink/mavlink_log.h> +#include <systemlib/err.h> +#include <geo/geo.h> + +#include <uORB/uORB.h> +#include <uORB/topics/mission.h> +#include <uORB/topics/home_position.h> + +#include "navigator.h" +#include "gpsfailure.h" + +#define DELAY_SIGMA 0.01f + +GpsFailure::GpsFailure(Navigator *navigator, const char *name) : + MissionBlock(navigator, name), + _param_loitertime(this, "LT"), + _param_openlooploiter_roll(this, "R"), + _param_openlooploiter_pitch(this, "P"), + _param_openlooploiter_thrust(this, "TR"), + _gpsf_state(GPSF_STATE_NONE), + _timestamp_activation(0) +{ + /* load initial params */ + updateParams(); + /* initial reset */ + on_inactive(); +} + +GpsFailure::~GpsFailure() +{ +} + +void +GpsFailure::on_inactive() +{ + /* reset GPSF state only if setpoint moved */ + if (!_navigator->get_can_loiter_at_sp()) { + _gpsf_state = GPSF_STATE_NONE; + } +} + +void +GpsFailure::on_activation() +{ + _gpsf_state = GPSF_STATE_NONE; + _timestamp_activation = hrt_absolute_time(); + updateParams(); + advance_gpsf(); + set_gpsf_item(); +} + +void +GpsFailure::on_active() +{ + + switch (_gpsf_state) { + case GPSF_STATE_LOITER: { + /* Position controller does not run in this mode: + * navigator has to publish an attitude setpoint */ + _navigator->get_att_sp()->roll_body = M_DEG_TO_RAD_F * _param_openlooploiter_roll.get(); + _navigator->get_att_sp()->pitch_body = M_DEG_TO_RAD_F * _param_openlooploiter_pitch.get(); + _navigator->get_att_sp()->thrust = _param_openlooploiter_thrust.get(); + _navigator->publish_att_sp(); + + /* Measure time */ + hrt_abstime elapsed = hrt_elapsed_time(&_timestamp_activation); + + //warnx("open loop loiter, posctl enabled %u, elapsed %.1fs, thrust %.2f", + //_navigator->get_control_mode()->flag_control_position_enabled, elapsed * 1e-6, (double)_param_openlooploiter_thrust.get()); + if (elapsed > _param_loitertime.get() * 1e6f) { + /* no recovery, adavance the state machine */ + warnx("gps not recovered, switch to next state"); + advance_gpsf(); + } + break; + } + case GPSF_STATE_TERMINATE: + set_gpsf_item(); + advance_gpsf(); + break; + default: + break; + } +} + +void +GpsFailure::set_gpsf_item() +{ + struct position_setpoint_triplet_s *pos_sp_triplet = _navigator->get_position_setpoint_triplet(); + + /* Set pos sp triplet to invalid to stop pos controller */ + pos_sp_triplet->previous.valid = false; + pos_sp_triplet->current.valid = false; + pos_sp_triplet->next.valid = false; + + switch (_gpsf_state) { + case GPSF_STATE_TERMINATE: { + /* Request flight termination from the commander */ + _navigator->get_mission_result()->flight_termination = true; + _navigator->publish_mission_result(); + warnx("gps fail: request flight termination"); + } + default: + break; + } + + reset_mission_item_reached(); + _navigator->set_position_setpoint_triplet_updated(); +} + +void +GpsFailure::advance_gpsf() +{ + updateParams(); + + switch (_gpsf_state) { + case GPSF_STATE_NONE: + _gpsf_state = GPSF_STATE_LOITER; + warnx("gpsf loiter"); + mavlink_log_info(_navigator->get_mavlink_fd(), "#audio: open loop loiter"); + break; + case GPSF_STATE_LOITER: + _gpsf_state = GPSF_STATE_TERMINATE; + warnx("gpsf terminate"); + mavlink_log_info(_navigator->get_mavlink_fd(), "#audio: no gps recovery, termination"); + warnx("mavlink sent"); + break; + case GPSF_STATE_TERMINATE: + warnx("gpsf end"); + _gpsf_state = GPSF_STATE_END; + default: + break; + } +} diff --git a/src/modules/navigator/gpsfailure.h b/src/modules/navigator/gpsfailure.h new file mode 100644 index 000000000..e9e72babf --- /dev/null +++ b/src/modules/navigator/gpsfailure.h @@ -0,0 +1,97 @@ +/*************************************************************************** + * + * 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 gpsfailure.h + * Helper class for Data Link Loss Mode according to the OBC rules + * + * @author Thomas Gubler <thomasgubler@gmail.com> + */ + +#ifndef NAVIGATOR_GPSFAILURE_H +#define NAVIGATOR_GPSFAILURE_H + +#include <controllib/blocks.hpp> +#include <controllib/block/BlockParam.hpp> + +#include <uORB/uORB.h> +#include <uORB/Publication.hpp> +#include <uORB/topics/vehicle_attitude_setpoint.h> + +#include <drivers/drv_hrt.h> + +#include "navigator_mode.h" +#include "mission_block.h" + +class Navigator; + +class GpsFailure : public MissionBlock +{ +public: + GpsFailure(Navigator *navigator, const char *name); + + ~GpsFailure(); + + virtual void on_inactive(); + + virtual void on_activation(); + + virtual void on_active(); + +private: + /* Params */ + control::BlockParamFloat _param_loitertime; + control::BlockParamFloat _param_openlooploiter_roll; + control::BlockParamFloat _param_openlooploiter_pitch; + control::BlockParamFloat _param_openlooploiter_thrust; + + enum GPSFState { + GPSF_STATE_NONE = 0, + GPSF_STATE_LOITER = 1, + GPSF_STATE_TERMINATE = 2, + GPSF_STATE_END = 3, + } _gpsf_state; + + hrt_abstime _timestamp_activation; //*< timestamp when this mode was activated */ + + /** + * Set the GPSF item + */ + void set_gpsf_item(); + + /** + * Move to next GPSF item + */ + void advance_gpsf(); + +}; +#endif diff --git a/src/modules/navigator/gpsfailure_params.c b/src/modules/navigator/gpsfailure_params.c new file mode 100644 index 000000000..39d179eed --- /dev/null +++ b/src/modules/navigator/gpsfailure_params.c @@ -0,0 +1,97 @@ +/**************************************************************************** + * + * Copyright (c) 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 gpsfailure_params.c + * + * Parameters for GPSF navigation mode + * + * @author Thomas Gubler <thomasgubler@gmail.com> + */ + +#include <nuttx/config.h> + +#include <systemlib/param/param.h> + +/* + * GPS Failure Navigation Mode parameters, accessible via MAVLink + */ + +/** + * Loiter time + * + * The amount of time in seconds the system should do open loop loiter and wait for gps recovery + * before it goes into flight termination. + * + * @unit seconds + * @min 0.0 + * @group GPSF + */ +PARAM_DEFINE_FLOAT(NAV_GPSF_LT, 30.0f); + +/** + * Open loop loiter roll + * + * Roll in degrees during the open loop loiter + * + * @unit deg + * @min 0.0 + * @max 30.0 + * @group GPSF + */ +PARAM_DEFINE_FLOAT(NAV_GPSF_R, 15.0f); + +/** + * Open loop loiter pitch + * + * Pitch in degrees during the open loop loiter + * + * @unit deg + * @min -30.0 + * @max 30.0 + * @group GPSF + */ +PARAM_DEFINE_FLOAT(NAV_GPSF_P, 0.0f); + +/** + * Open loop loiter thrust + * + * Thrust value which is set during the open loop loiter + * + * @min 0.0 + * @max 1.0 + * @group GPSF + */ +PARAM_DEFINE_FLOAT(NAV_GPSF_TR, 0.7f); + + diff --git a/src/modules/navigator/mission.cpp b/src/modules/navigator/mission.cpp index b33b2049f..e9e03a44e 100644 --- a/src/modules/navigator/mission.cpp +++ b/src/modules/navigator/mission.cpp @@ -62,18 +62,16 @@ Mission::Mission(Navigator *navigator, const char *name) : MissionBlock(navigator, name), - _param_onboard_enabled(this, "ONBOARD_EN"), - _param_takeoff_alt(this, "TAKEOFF_ALT"), - _param_dist_1wp(this, "DIST_1WP"), - _param_altmode(this, "ALTMODE"), + _param_onboard_enabled(this, "MIS_ONBOARD_EN", false), + _param_takeoff_alt(this, "MIS_TAKEOFF_ALT", false), + _param_dist_1wp(this, "MIS_DIST_1WP", false), + _param_altmode(this, "MIS_ALTMODE", false), _onboard_mission({0}), _offboard_mission({0}), _current_onboard_mission_index(-1), _current_offboard_mission_index(-1), _need_takeoff(true), _takeoff(false), - _mission_result_pub(-1), - _mission_result({0}), _mission_type(MISSION_TYPE_NONE), _inited(false), _dist_1wp_ok(false), @@ -671,18 +669,18 @@ void Mission::report_mission_item_reached() { if (_mission_type == MISSION_TYPE_OFFBOARD) { - _mission_result.reached = true; - _mission_result.seq_reached = _current_offboard_mission_index; + _navigator->get_mission_result()->reached = true; + _navigator->get_mission_result()->seq_reached = _current_offboard_mission_index; } - publish_mission_result(); + _navigator->publish_mission_result(); } void Mission::report_current_offboard_mission_item() { warnx("current offboard mission index: %d", _current_offboard_mission_index); - _mission_result.seq_current = _current_offboard_mission_index; - publish_mission_result(); + _navigator->get_mission_result()->seq_current = _current_offboard_mission_index; + _navigator->publish_mission_result(); save_offboard_mission_state(); } @@ -690,23 +688,7 @@ Mission::report_current_offboard_mission_item() void Mission::report_mission_finished() { - _mission_result.finished = true; - publish_mission_result(); + _navigator->get_mission_result()->finished = true; + _navigator->publish_mission_result(); } -void -Mission::publish_mission_result() -{ - /* lazily publish the mission result only once available */ - if (_mission_result_pub > 0) { - /* publish mission result */ - orb_publish(ORB_ID(mission_result), _mission_result_pub, &_mission_result); - - } else { - /* advertise and publish */ - _mission_result_pub = orb_advertise(ORB_ID(mission_result), &_mission_result); - } - /* reset reached bool */ - _mission_result.reached = false; - _mission_result.finished = false; -} diff --git a/src/modules/navigator/mission.h b/src/modules/navigator/mission.h index a91c89968..176529209 100644 --- a/src/modules/navigator/mission.h +++ b/src/modules/navigator/mission.h @@ -144,11 +144,6 @@ private: */ void report_mission_finished(); - /** - * Publish the mission result so commander and mavlink know what is going on - */ - void publish_mission_result(); - control::BlockParamInt _param_onboard_enabled; control::BlockParamFloat _param_takeoff_alt; control::BlockParamFloat _param_dist_1wp; @@ -162,9 +157,6 @@ private: bool _need_takeoff; bool _takeoff; - orb_advert_t _mission_result_pub; - struct mission_result_s _mission_result; - enum { MISSION_TYPE_NONE, MISSION_TYPE_ONBOARD, diff --git a/src/modules/navigator/mission_feasibility_checker.cpp b/src/modules/navigator/mission_feasibility_checker.cpp index 7ae7f60cb..389cdd0d2 100644 --- a/src/modules/navigator/mission_feasibility_checker.cpp +++ b/src/modules/navigator/mission_feasibility_checker.cpp @@ -120,7 +120,7 @@ bool MissionFeasibilityChecker::checkGeofence(dm_item_t dm_current, size_t nMiss return false; } - if (!geofence.inside(missionitem.lat, missionitem.lon, missionitem.altitude)) { + if (!geofence.inside_polygon(missionitem.lat, missionitem.lon, missionitem.altitude)) { mavlink_log_info(_mavlink_fd, "#audio: Geofence violation waypoint %d", i); return false; } diff --git a/src/modules/navigator/module.mk b/src/modules/navigator/module.mk index b50198996..c075903b7 100644 --- a/src/modules/navigator/module.mk +++ b/src/modules/navigator/module.mk @@ -49,7 +49,14 @@ SRCS = navigator_main.cpp \ offboard.cpp \ mission_feasibility_checker.cpp \ geofence.cpp \ - geofence_params.c + geofence_params.c \ + datalinkloss.cpp \ + datalinkloss_params.c \ + rcloss.cpp \ + rcloss_params.c \ + enginefailure.cpp \ + gpsfailure.cpp \ + gpsfailure_params.c INCLUDE_DIRS += $(MAVLINK_SRC)/include/mavlink diff --git a/src/modules/navigator/navigator.h b/src/modules/navigator/navigator.h index 8edbb63b3..bf42acff9 100644 --- a/src/modules/navigator/navigator.h +++ b/src/modules/navigator/navigator.h @@ -35,6 +35,7 @@ * Helper class to access missions * @author Julian Oes <julian@oes.ch> * @author Anton Babushkin <anton.babushkin@me.com> + * @author Thomas Gubler <thomasgubler@gmail.com> */ #ifndef NAVIGATOR_H @@ -50,20 +51,26 @@ #include <uORB/topics/vehicle_control_mode.h> #include <uORB/topics/position_setpoint_triplet.h> #include <uORB/topics/vehicle_global_position.h> +#include <uORB/topics/vehicle_gps_position.h> #include <uORB/topics/parameter_update.h> +#include <uORB/topics/mission_result.h> +#include <uORB/topics/vehicle_attitude_setpoint.h> #include "navigator_mode.h" #include "mission.h" #include "loiter.h" #include "rtl.h" #include "offboard.h" +#include "datalinkloss.h" +#include "enginefailure.h" +#include "gpsfailure.h" +#include "rcloss.h" #include "geofence.h" /** * Number of navigation modes that need on_active/on_inactive calls - * Currently: mission, loiter, and rtl */ -#define NAVIGATOR_MODE_ARRAY_SIZE 4 +#define NAVIGATOR_MODE_ARRAY_SIZE 8 class Navigator : public control::SuperBlock { @@ -101,6 +108,17 @@ public: void load_fence_from_file(const char *filename); /** + * Publish the mission result so commander and mavlink know what is going on + */ + void publish_mission_result(); + + /** + * Publish the attitude sp, only to be used in very special modes when position control is deactivated + * Example: mode that is triggered on gps failure + */ + void publish_att_sp(); + + /** * Setters */ void set_can_loiter_at_sp(bool can_loiter) { _can_loiter_at_sp = can_loiter; } @@ -112,8 +130,13 @@ public: struct vehicle_status_s* get_vstatus() { return &_vstatus; } struct vehicle_control_mode_s* get_control_mode() { return &_control_mode; } struct vehicle_global_position_s* get_global_position() { return &_global_pos; } + struct vehicle_gps_position_s* get_gps_position() { return &_gps_pos; } + struct sensor_combined_s* get_sensor_combined() { return &_sensor_combined; } struct home_position_s* get_home_position() { return &_home_pos; } - struct position_setpoint_triplet_s* get_position_setpoint_triplet() { return &_pos_sp_triplet; } + struct position_setpoint_triplet_s* get_position_setpoint_triplet() { return &_pos_sp_triplet; } + struct mission_result_s* get_mission_result() { return &_mission_result; } + struct vehicle_attitude_setpoint_s* get_att_sp() { return &_att_sp; } + int get_onboard_mission_sub() { return _onboard_mission_sub; } int get_offboard_mission_sub() { return _offboard_mission_sub; } int get_offboard_control_sp_sub() { return _offboard_control_sp_sub; } @@ -131,6 +154,8 @@ private: int _mavlink_fd; /**< the file descriptor to send messages over mavlink */ int _global_pos_sub; /**< global position subscription */ + int _gps_pos_sub; /**< gps position subscription */ + int _sensor_combined_sub; /**< sensor combined subscription */ int _home_pos_sub; /**< home position subscription */ int _vstatus_sub; /**< vehicle status subscription */ int _capabilities_sub; /**< notification of vehicle capabilities updates */ @@ -141,15 +166,24 @@ private: int _param_update_sub; /**< param update subscription */ orb_advert_t _pos_sp_triplet_pub; /**< publish position setpoint triplet */ + orb_advert_t _mission_result_pub; + orb_advert_t _att_sp_pub; /**< publish att sp + used only in very special failsafe modes + when pos control is deactivated */ vehicle_status_s _vstatus; /**< vehicle status */ vehicle_control_mode_s _control_mode; /**< vehicle control mode */ vehicle_global_position_s _global_pos; /**< global vehicle position */ + vehicle_gps_position_s _gps_pos; /**< gps position */ + sensor_combined_s _sensor_combined; /**< sensor values */ home_position_s _home_pos; /**< home position for RTL */ mission_item_s _mission_item; /**< current mission item */ navigation_capabilities_s _nav_caps; /**< navigation capabilities */ position_setpoint_triplet_s _pos_sp_triplet; /**< triplet of position setpoints */ + mission_result_s _mission_result; + vehicle_attitude_setpoint_s _att_sp; + bool _mission_item_valid; /**< flags if the current mission item is valid */ perf_counter_t _loop_perf; /**< loop performance counter */ @@ -157,14 +191,19 @@ private: Geofence _geofence; /**< class that handles the geofence */ bool _geofence_violation_warning_sent; /**< prevents spaming to mavlink */ - bool _fence_valid; /**< flag if fence is valid */ bool _inside_fence; /**< vehicle is inside fence */ NavigatorMode *_navigation_mode; /**< abstract pointer to current navigation mode class */ Mission _mission; /**< class that handles the missions */ Loiter _loiter; /**< class that handles loiter */ RTL _rtl; /**< class that handles RTL */ + RCLoss _rcLoss; /**< class that handles RTL according to + OBC rules (rc loss mode) */ Offboard _offboard; /**< class that handles offboard */ + DataLinkLoss _dataLinkLoss; /**< class that handles the OBC datalink loss mode */ + EngineFailure _engineFailure; /**< class that handles the engine failure mode + (FW only!) */ + GpsFailure _gpsFailure; /**< class that handles the OBC gpsfailure loss mode */ NavigatorMode *_navigation_mode_array[NAVIGATOR_MODE_ARRAY_SIZE]; /**< array of navigation modes */ @@ -173,12 +212,24 @@ private: control::BlockParamFloat _param_loiter_radius; /**< loiter radius for fixedwing */ control::BlockParamFloat _param_acceptance_radius; /**< acceptance for takeoff */ + control::BlockParamInt _param_datalinkloss_obc; /**< if true: obc mode on data link loss enabled */ + control::BlockParamInt _param_rcloss_obc; /**< if true: obc mode on rc loss enabled */ /** * Retrieve global position */ void global_position_update(); /** + * Retrieve gps position + */ + void gps_position_update(); + + /** + * Retrieve sensor values + */ + void sensor_combined_update(); + + /** * Retrieve home position */ void home_position_update(); diff --git a/src/modules/navigator/navigator_main.cpp b/src/modules/navigator/navigator_main.cpp index 042c46afd..fad46998e 100644 --- a/src/modules/navigator/navigator_main.cpp +++ b/src/modules/navigator/navigator_main.cpp @@ -40,6 +40,7 @@ * @author Jean Cyr <jean.m.cyr@gmail.com> * @author Julian Oes <julian@oes.ch> * @author Anton Babushkin <anton.babushkin@me.com> + * @author Thomas Gubler <thomasgubler@gmail.com> */ #include <nuttx/config.h> @@ -68,6 +69,7 @@ #include <uORB/topics/fence.h> #include <uORB/topics/navigation_capabilities.h> #include <uORB/topics/offboard_control_setpoint.h> +#include <drivers/drv_baro.h> #include <systemlib/err.h> #include <systemlib/systemlib.h> @@ -85,6 +87,7 @@ */ extern "C" __EXPORT int navigator_main(int argc, char *argv[]); +#define GEOFENCE_CHECK_INTERVAL 200000 namespace navigator { @@ -98,6 +101,7 @@ Navigator::Navigator() : _navigator_task(-1), _mavlink_fd(-1), _global_pos_sub(-1), + _gps_pos_sub(-1), _home_pos_sub(-1), _vstatus_sub(-1), _capabilities_sub(-1), @@ -107,34 +111,49 @@ Navigator::Navigator() : _offboard_mission_sub(-1), _param_update_sub(-1), _pos_sp_triplet_pub(-1), + _mission_result_pub(-1), + _att_sp_pub(-1), _vstatus{}, _control_mode{}, _global_pos{}, + _gps_pos{}, + _sensor_combined{}, _home_pos{}, _mission_item{}, _nav_caps{}, _pos_sp_triplet{}, + _mission_result{}, + _att_sp{}, _mission_item_valid(false), _loop_perf(perf_alloc(PC_ELAPSED, "navigator")), _geofence{}, _geofence_violation_warning_sent(false), - _fence_valid(false), _inside_fence(true), _navigation_mode(nullptr), _mission(this, "MIS"), _loiter(this, "LOI"), _rtl(this, "RTL"), + _rcLoss(this, "RCL"), _offboard(this, "OFF"), + _dataLinkLoss(this, "DLL"), + _engineFailure(this, "EF"), + _gpsFailure(this, "GPSF"), _can_loiter_at_sp(false), _pos_sp_triplet_updated(false), _param_loiter_radius(this, "LOITER_RAD"), - _param_acceptance_radius(this, "ACC_RAD") + _param_acceptance_radius(this, "ACC_RAD"), + _param_datalinkloss_obc(this, "DLL_OBC"), + _param_rcloss_obc(this, "RCL_OBC") { /* Create a list of our possible navigation types */ _navigation_mode_array[0] = &_mission; _navigation_mode_array[1] = &_loiter; _navigation_mode_array[2] = &_rtl; _navigation_mode_array[3] = &_offboard; + _navigation_mode_array[4] = &_dataLinkLoss; + _navigation_mode_array[5] = &_engineFailure; + _navigation_mode_array[6] = &_gpsFailure; + _navigation_mode_array[7] = &_rcLoss; updateParams(); } @@ -171,6 +190,18 @@ Navigator::global_position_update() } void +Navigator::gps_position_update() +{ + orb_copy(ORB_ID(vehicle_gps_position), _gps_pos_sub, &_gps_pos); +} + +void +Navigator::sensor_combined_update() +{ + orb_copy(ORB_ID(sensor_combined), _sensor_combined_sub, &_sensor_combined); +} + +void Navigator::home_position_update() { orb_copy(ORB_ID(home_position), _home_pos_sub, &_home_pos); @@ -221,6 +252,7 @@ Navigator::task_main() warnx("Initializing.."); _mavlink_fd = open(MAVLINK_LOG_DEVICE, 0); + _geofence.setMavlinkFd(_mavlink_fd); /* Try to load the geofence: * if /fs/microsd/etc/geofence.txt load from this file @@ -232,6 +264,7 @@ Navigator::task_main() _geofence.loadFromFile(GEOFENCE_FILENAME); } else { + mavlink_log_critical(_mavlink_fd, "#audio: No geofence file"); if (_geofence.clearDm() > 0) warnx("Geofence cleared"); else @@ -240,6 +273,8 @@ Navigator::task_main() /* do subscriptions */ _global_pos_sub = orb_subscribe(ORB_ID(vehicle_global_position)); + _gps_pos_sub = orb_subscribe(ORB_ID(vehicle_gps_position)); + _sensor_combined_sub = orb_subscribe(ORB_ID(sensor_combined)); _capabilities_sub = orb_subscribe(ORB_ID(navigation_capabilities)); _vstatus_sub = orb_subscribe(ORB_ID(vehicle_status)); _control_mode_sub = orb_subscribe(ORB_ID(vehicle_control_mode)); @@ -253,6 +288,8 @@ Navigator::task_main() vehicle_status_update(); vehicle_control_mode_update(); global_position_update(); + gps_position_update(); + sensor_combined_update(); home_position_update(); navigation_capabilities_update(); params_update(); @@ -264,7 +301,7 @@ Navigator::task_main() const hrt_abstime mavlink_open_interval = 500000; /* wakeup source(s) */ - struct pollfd fds[6]; + struct pollfd fds[8]; /* Setup of loop */ fds[0].fd = _global_pos_sub; @@ -279,6 +316,10 @@ Navigator::task_main() fds[4].events = POLLIN; fds[5].fd = _param_update_sub; fds[5].events = POLLIN; + fds[6].fd = _sensor_combined_sub; + fds[6].events = POLLIN; + fds[7].fd = _gps_pos_sub; + fds[7].events = POLLIN; while (!_task_should_exit) { @@ -303,6 +344,21 @@ Navigator::task_main() _mavlink_fd = open(MAVLINK_LOG_DEVICE, 0); } + static bool have_geofence_position_data = false; + + /* gps updated */ + if (fds[7].revents & POLLIN) { + gps_position_update(); + if (_geofence.getSource() == Geofence::GF_SOURCE_GPS) { + have_geofence_position_data = true; + } + } + + /* sensors combined updated */ + if (fds[6].revents & POLLIN) { + sensor_combined_update(); + } + /* parameters updated */ if (fds[5].revents & POLLIN) { params_update(); @@ -332,9 +388,23 @@ Navigator::task_main() /* global position updated */ if (fds[0].revents & POLLIN) { global_position_update(); + static int gposcounter = 0; + if (_geofence.getSource() == Geofence::GF_SOURCE_GLOBALPOS) { + have_geofence_position_data = true; + } + gposcounter++; + } - /* Check geofence violation */ - if (!_geofence.inside(&_global_pos)) { + /* Check geofence violation */ + static hrt_abstime last_geofence_check = 0; + if (have_geofence_position_data && hrt_elapsed_time(&last_geofence_check) > GEOFENCE_CHECK_INTERVAL) { + bool inside = _geofence.inside(_global_pos, _gps_pos, _sensor_combined.baro_alt_meter); + last_geofence_check = hrt_absolute_time(); + have_geofence_position_data = false; + if (!inside) { + /* inform other apps via the mission result */ + _mission_result.geofence_violated = true; + publish_mission_result(); /* Issue a warning about the geofence violation once */ if (!_geofence_violation_warning_sent) { @@ -342,6 +412,9 @@ Navigator::task_main() _geofence_violation_warning_sent = true; } } else { + /* inform other apps via the mission result */ + _mission_result.geofence_violated = false; + publish_mission_result(); /* Reset the _geofence_violation_warning_sent field */ _geofence_violation_warning_sent = false; } @@ -359,16 +432,38 @@ Navigator::task_main() _can_loiter_at_sp = false; break; case NAVIGATION_STATE_AUTO_MISSION: + /* Some failsafe modes prohibit the fallback to mission + * usually this is done after some time to make sure + * that the full failsafe operation is performed */ _navigation_mode = &_mission; break; case NAVIGATION_STATE_AUTO_LOITER: _navigation_mode = &_loiter; break; + case NAVIGATION_STATE_AUTO_RCRECOVER: + if (_param_rcloss_obc.get() != 0) { + _navigation_mode = &_rcLoss; + } else { + _navigation_mode = &_rtl; + } + break; case NAVIGATION_STATE_AUTO_RTL: - _navigation_mode = &_rtl; + _navigation_mode = &_rtl; break; - case NAVIGATION_STATE_AUTO_RTGS: - _navigation_mode = &_rtl; /* TODO: change this to something else */ + case NAVIGATION_STATE_AUTO_RTGS: //XXX OBC: differentiate between rc loss and dl loss here + /* Use complex data link loss mode only when enabled via param + * otherwise use rtl */ + if (_param_datalinkloss_obc.get() != 0) { + _navigation_mode = &_dataLinkLoss; + } else { + _navigation_mode = &_rtl; + } + break; + case NAVIGATION_STATE_AUTO_LANDENGFAIL: + _navigation_mode = &_engineFailure; + break; + case NAVIGATION_STATE_AUTO_LANDGPSFAIL: + _navigation_mode = &_gpsFailure; break; case NAVIGATION_STATE_OFFBOARD: _navigation_mode = &_offboard; @@ -442,7 +537,7 @@ Navigator::status() // warnx("Compass heading in degrees %5.5f", (double)(_global_pos.yaw * M_RAD_TO_DEG_F)); // } - if (_fence_valid) { + if (_geofence.valid()) { warnx("Geofence is valid"); /* TODO: needed? */ // warnx("Vertex longitude latitude"); @@ -450,7 +545,7 @@ Navigator::status() // warnx("%6u %9.5f %8.5f", i, (double)_fence.vertices[i].lon, (double)_fence.vertices[i].lat); } else { - warnx("Geofence not set"); + warnx("Geofence not set (no /etc/geofence.txt on microsd) or not valid"); } } @@ -534,3 +629,34 @@ int navigator_main(int argc, char *argv[]) return 0; } + +void +Navigator::publish_mission_result() +{ + /* lazily publish the mission result only once available */ + if (_mission_result_pub > 0) { + /* publish mission result */ + orb_publish(ORB_ID(mission_result), _mission_result_pub, &_mission_result); + + } else { + /* advertise and publish */ + _mission_result_pub = orb_advertise(ORB_ID(mission_result), &_mission_result); + } + /* reset reached bool */ + _mission_result.reached = false; + _mission_result.finished = false; +} + +void +Navigator::publish_att_sp() +{ + /* lazily publish the attitude sp only once available */ + if (_att_sp_pub > 0) { + /* publish att sp*/ + orb_publish(ORB_ID(vehicle_attitude_setpoint), _att_sp_pub, &_att_sp); + + } else { + /* advertise and publish */ + _att_sp_pub = orb_advertise(ORB_ID(vehicle_attitude_setpoint), &_att_sp); + } +} diff --git a/src/modules/navigator/navigator_mode.cpp b/src/modules/navigator/navigator_mode.cpp index f43215665..3807c5ea8 100644 --- a/src/modules/navigator/navigator_mode.cpp +++ b/src/modules/navigator/navigator_mode.cpp @@ -43,7 +43,7 @@ #include "navigator.h" NavigatorMode::NavigatorMode(Navigator *navigator, const char *name) : - SuperBlock(NULL, name), + SuperBlock(navigator, name), _navigator(navigator), _first_run(true) { @@ -63,6 +63,9 @@ NavigatorMode::run(bool active) { if (_first_run) { /* first run */ _first_run = false; + /* Reset stay in failsafe flag */ + _navigator->get_mission_result()->stay_in_failsafe = false; + _navigator->publish_mission_result(); on_activation(); } else { diff --git a/src/modules/navigator/navigator_params.c b/src/modules/navigator/navigator_params.c index 084afe340..1f40e634e 100644 --- a/src/modules/navigator/navigator_params.c +++ b/src/modules/navigator/navigator_params.c @@ -37,6 +37,7 @@ * Parameters for navigator in general * * @author Julian Oes <julian@oes.ch> + * @author Thomas Gubler <thomasgubler@gmail.com> */ #include <nuttx/config.h> @@ -64,3 +65,56 @@ PARAM_DEFINE_FLOAT(NAV_LOITER_RAD, 50.0f); * @group Mission */ PARAM_DEFINE_FLOAT(NAV_ACC_RAD, 25.0f); + +/** + * Set OBC mode for data link loss + * + * If set to 1 the behaviour on data link loss is set to a mode according to the OBC rules + * + * @min 0 + * @group Mission + */ +PARAM_DEFINE_INT32(NAV_DLL_OBC, 0); + +/** + * Set OBC mode for rc loss + * + * If set to 1 the behaviour on data link loss is set to a mode according to the OBC rules + * + * @min 0 + * @group Mission + */ +PARAM_DEFINE_INT32(NAV_RCL_OBC, 0); + +/** + * Airfield home Lat + * + * Latitude of airfield home waypoint + * + * @unit degrees * 1e7 + * @min 0.0 + * @group DLL + */ +PARAM_DEFINE_INT32(NAV_AH_LAT, -265847810); + +/** + * Airfield home Lon + * + * Longitude of airfield home waypoint + * + * @unit degrees * 1e7 + * @min 0.0 + * @group DLL + */ +PARAM_DEFINE_INT32(NAV_AH_LON, 1518423250); + +/** + * Airfield home alt + * + * Altitude of airfield home waypoint + * + * @unit m + * @min 0.0 + * @group DLL + */ +PARAM_DEFINE_FLOAT(NAV_AH_ALT, 600.0f); diff --git a/src/modules/navigator/rcloss.cpp b/src/modules/navigator/rcloss.cpp new file mode 100644 index 000000000..5564a1c42 --- /dev/null +++ b/src/modules/navigator/rcloss.cpp @@ -0,0 +1,182 @@ +/**************************************************************************** + * + * 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 rcloss.cpp + * Helper class for RC Loss Mode according to the OBC rules + * + * @author Thomas Gubler <thomasgubler@gmail.com> + */ + +#include <string.h> +#include <stdlib.h> +#include <math.h> +#include <fcntl.h> + +#include <mavlink/mavlink_log.h> +#include <systemlib/err.h> +#include <geo/geo.h> + +#include <uORB/uORB.h> +#include <uORB/topics/mission.h> +#include <uORB/topics/home_position.h> + +#include "navigator.h" +#include "datalinkloss.h" + +#define DELAY_SIGMA 0.01f + +RCLoss::RCLoss(Navigator *navigator, const char *name) : + MissionBlock(navigator, name), + _param_loitertime(this, "LT"), + _rcl_state(RCL_STATE_NONE) +{ + /* load initial params */ + updateParams(); + /* initial reset */ + on_inactive(); +} + +RCLoss::~RCLoss() +{ +} + +void +RCLoss::on_inactive() +{ + /* reset RCL state only if setpoint moved */ + if (!_navigator->get_can_loiter_at_sp()) { + _rcl_state = RCL_STATE_NONE; + } +} + +void +RCLoss::on_activation() +{ + _rcl_state = RCL_STATE_NONE; + updateParams(); + advance_rcl(); + set_rcl_item(); +} + +void +RCLoss::on_active() +{ + if (is_mission_item_reached()) { + updateParams(); + advance_rcl(); + set_rcl_item(); + } +} + +void +RCLoss::set_rcl_item() +{ + struct position_setpoint_triplet_s *pos_sp_triplet = _navigator->get_position_setpoint_triplet(); + + set_previous_pos_setpoint(); + _navigator->set_can_loiter_at_sp(false); + + switch (_rcl_state) { + case RCL_STATE_LOITER: { + _mission_item.lat = _navigator->get_global_position()->lat; + _mission_item.lon = _navigator->get_global_position()->lon; + _mission_item.altitude = _navigator->get_global_position()->alt; + _mission_item.altitude_is_relative = false; + _mission_item.yaw = NAN; + _mission_item.loiter_radius = _navigator->get_loiter_radius(); + _mission_item.loiter_direction = 1; + _mission_item.nav_cmd = NAV_CMD_LOITER_TIME_LIMIT; + _mission_item.acceptance_radius = _navigator->get_acceptance_radius(); + _mission_item.time_inside = _param_loitertime.get() < 0.0f ? 0.0f : _param_loitertime.get(); + _mission_item.pitch_min = 0.0f; + _mission_item.autocontinue = true; + _mission_item.origin = ORIGIN_ONBOARD; + + _navigator->set_can_loiter_at_sp(true); + break; + } + case RCL_STATE_TERMINATE: { + /* Request flight termination from the commander */ + _navigator->get_mission_result()->flight_termination = true; + _navigator->publish_mission_result(); + warnx("rc not recovered: request flight termination"); + pos_sp_triplet->previous.valid = false; + pos_sp_triplet->current.valid = false; + pos_sp_triplet->next.valid = false; + break; + } + default: + break; + } + + reset_mission_item_reached(); + + /* convert mission item to current position setpoint and make it valid */ + mission_item_to_position_setpoint(&_mission_item, &pos_sp_triplet->current); + pos_sp_triplet->next.valid = false; + + _navigator->set_position_setpoint_triplet_updated(); +} + +void +RCLoss::advance_rcl() +{ + switch (_rcl_state) { + case RCL_STATE_NONE: + if (_param_loitertime.get() > 0.0f) { + warnx("RC loss, OBC mode, loiter"); + mavlink_log_info(_navigator->get_mavlink_fd(), "#audio: rc loss, loitering"); + _rcl_state = RCL_STATE_LOITER; + } else { + warnx("RC loss, OBC mode, slip loiter, terminate"); + mavlink_log_info(_navigator->get_mavlink_fd(), "#audio: rc loss, terminating"); + _rcl_state = RCL_STATE_TERMINATE; + _navigator->get_mission_result()->stay_in_failsafe = true; + _navigator->publish_mission_result(); + } + break; + case RCL_STATE_LOITER: + _rcl_state = RCL_STATE_TERMINATE; + warnx("time is up, no RC regain, terminating"); + mavlink_log_info(_navigator->get_mavlink_fd(), "#audio: RC not regained, terminating"); + _navigator->get_mission_result()->stay_in_failsafe = true; + _navigator->publish_mission_result(); + break; + case RCL_STATE_TERMINATE: + warnx("rcl end"); + _rcl_state = RCL_STATE_END; + break; + default: + break; + } +} diff --git a/src/modules/navigator/rcloss.h b/src/modules/navigator/rcloss.h new file mode 100644 index 000000000..bcb74d877 --- /dev/null +++ b/src/modules/navigator/rcloss.h @@ -0,0 +1,88 @@ +/*************************************************************************** + * + * 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 rcloss.h + * Helper class for RC Loss Mode acording to the OBC rules + * + * @author Thomas Gubler <thomasgubler@gmail.com> + */ + +#ifndef NAVIGATOR_RCLOSS_H +#define NAVIGATOR_RCLOSS_H + +#include <controllib/blocks.hpp> +#include <controllib/block/BlockParam.hpp> + +#include <uORB/Subscription.hpp> + +#include "navigator_mode.h" +#include "mission_block.h" + +class Navigator; + +class RCLoss : public MissionBlock +{ +public: + RCLoss(Navigator *navigator, const char *name); + + ~RCLoss(); + + virtual void on_inactive(); + + virtual void on_activation(); + + virtual void on_active(); + +private: + /* Params */ + control::BlockParamFloat _param_loitertime; + + enum RCLState { + RCL_STATE_NONE = 0, + RCL_STATE_LOITER = 1, + RCL_STATE_TERMINATE = 2, + RCL_STATE_END = 3 + } _rcl_state; + + /** + * Set the RCL item + */ + void set_rcl_item(); + + /** + * Move to next RCL item + */ + void advance_rcl(); + +}; +#endif diff --git a/src/modules/navigator/rcloss_params.c b/src/modules/navigator/rcloss_params.c new file mode 100644 index 000000000..f1a01c73b --- /dev/null +++ b/src/modules/navigator/rcloss_params.c @@ -0,0 +1,60 @@ +/**************************************************************************** + * + * Copyright (c) 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 rcloss_params.c + * + * Parameters for RC Loss (OBC) + * + * @author Thomas Gubler <thomasgubler@gmail.com> + */ + +#include <nuttx/config.h> + +#include <systemlib/param/param.h> + +/* + * OBC RC Loss mode parameters, accessible via MAVLink + */ + +/** + * Loiter Time + * + * The amount of time in seconds the system should loiter at current position before termination + * Set to -1 to make the system skip loitering + * + * @unit seconds + * @min -1.0 + * @group RCL + */ +PARAM_DEFINE_FLOAT(NAV_RCL_LT, 120.0f); diff --git a/src/modules/navigator/rtl.cpp b/src/modules/navigator/rtl.cpp index 142a73409..b6c4b8fdf 100644 --- a/src/modules/navigator/rtl.cpp +++ b/src/modules/navigator/rtl.cpp @@ -58,9 +58,9 @@ RTL::RTL(Navigator *navigator, const char *name) : MissionBlock(navigator, name), _rtl_state(RTL_STATE_NONE), - _param_return_alt(this, "RETURN_ALT"), - _param_descend_alt(this, "DESCEND_ALT"), - _param_land_delay(this, "LAND_DELAY") + _param_return_alt(this, "RTL_RETURN_ALT", false), + _param_descend_alt(this, "RTL_DESCEND_ALT", false), + _param_land_delay(this, "RTL_LAND_DELAY", false) { /* load initial params */ updateParams(); |