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author | Anton Babushkin <anton.babushkin@me.com> | 2014-07-07 15:18:54 +0200 |
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committer | Anton Babushkin <anton.babushkin@me.com> | 2014-07-07 15:18:54 +0200 |
commit | a29f7cad395ce53b74500a0dc03214186c679378 (patch) | |
tree | 39f9e5d880397fb2060bb8f11ce1aba2100a685a | |
parent | 29bf1fe6fa40968f1cda53c3aa9f4dad3ec25ebb (diff) | |
download | px4-firmware-a29f7cad395ce53b74500a0dc03214186c679378.tar.gz px4-firmware-a29f7cad395ce53b74500a0dc03214186c679378.tar.bz2 px4-firmware-a29f7cad395ce53b74500a0dc03214186c679378.zip |
navigator: reject mission if the first waypoint is too far from home
-rw-r--r-- | src/modules/navigator/mission.cpp | 69 | ||||
-rw-r--r-- | src/modules/navigator/mission.h | 10 | ||||
-rw-r--r-- | src/modules/navigator/mission_params.c | 13 |
3 files changed, 89 insertions, 3 deletions
diff --git a/src/modules/navigator/mission.cpp b/src/modules/navigator/mission.cpp index 291e2edeb..53f0724cd 100644 --- a/src/modules/navigator/mission.cpp +++ b/src/modules/navigator/mission.cpp @@ -61,6 +61,7 @@ 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"), _onboard_mission({0}), _offboard_mission({0}), _current_onboard_mission_index(-1), @@ -69,8 +70,10 @@ Mission::Mission(Navigator *navigator, const char *name) : _mission_result({0}), _mission_type(MISSION_TYPE_NONE), _inited(false), + _dist_1wp_ok(false), _need_takeoff(true), _takeoff(false) + { /* load initial params */ updateParams(); @@ -246,6 +249,70 @@ Mission::advance_mission() } } +bool +Mission::check_dist_1wp() +{ + if (_dist_1wp_ok) { + /* always return true after at least one successful check */ + return true; + } + + /* check if first waypoint is not too far from home */ + bool mission_valid = false; + if (_param_dist_1wp.get() > 0.0f) { + if (_navigator->get_vstatus()->condition_home_position_valid) { + struct mission_item_s mission_item; + + /* find first waypoint (with lat/lon) item in datamanager */ + for (int i = 0; i < _offboard_mission.count; i++) { + if (dm_read(DM_KEY_WAYPOINTS_OFFBOARD(_offboard_mission.dataman_id), i, + &mission_item, sizeof(mission_item_s)) == sizeof(mission_item_s)) { + + /* check only items with valid lat/lon */ + if ( mission_item.nav_cmd == NAV_CMD_WAYPOINT || + mission_item.nav_cmd == NAV_CMD_LOITER_TIME_LIMIT || + mission_item.nav_cmd == NAV_CMD_LOITER_TURN_COUNT || + mission_item.nav_cmd == NAV_CMD_LOITER_UNLIMITED || + mission_item.nav_cmd == NAV_CMD_TAKEOFF || + mission_item.nav_cmd == NAV_CMD_PATHPLANNING) { + + /* check distance from home to item */ + float dist_to_1wp = get_distance_to_next_waypoint( + mission_item.lat, mission_item.lon, + _navigator->get_home_position()->lat, _navigator->get_home_position()->lon); + + if (dist_to_1wp < _param_dist_1wp.get()) { + _dist_1wp_ok = true; + return true; + + } else { + /* item is too far from home */ + mavlink_log_info(_navigator->get_mavlink_fd(), "first wp is too far from home: %.1fm > %.1fm", dist_to_1wp, _param_dist_1wp.get()); + return false; + } + } + + } else { + /* error reading, mission is invalid */ + mavlink_log_info(_navigator->get_mavlink_fd(), "error reading offboard mission"); + return false; + } + } + + /* no waypoints found in mission, then we will not fly far away */ + _dist_1wp_ok = true; + return true; + + } else { + mavlink_log_info(_navigator->get_mavlink_fd(), "no home position"); + return false; + } + + } else { + return true; + } +} + void Mission::set_mission_items() { @@ -266,7 +333,7 @@ Mission::set_mission_items() _mission_type = MISSION_TYPE_ONBOARD; /* try setting offboard mission item */ - } else if (read_mission_item(false, true, &_mission_item)) { + } else if (check_dist_1wp() && read_mission_item(false, true, &_mission_item)) { /* if mission type changed, notify */ if (_mission_type != MISSION_TYPE_OFFBOARD) { mavlink_log_info(_navigator->get_mavlink_fd(), "#audio: offboard mission running"); diff --git a/src/modules/navigator/mission.h b/src/modules/navigator/mission.h index 40629b1b2..4da6a1155 100644 --- a/src/modules/navigator/mission.h +++ b/src/modules/navigator/mission.h @@ -92,6 +92,12 @@ private: void advance_mission(); /** + * Check distance to first waypoint (with lat/lon) + * @return true only if it's not too far from home (< MIS_DIST_1WP) + */ + bool check_dist_1wp(); + + /** * Set new mission items */ void set_mission_items(); @@ -127,8 +133,9 @@ private: */ void publish_mission_result(); - control::BlockParamFloat _param_onboard_enabled; + control::BlockParamInt _param_onboard_enabled; control::BlockParamFloat _param_takeoff_alt; + control::BlockParamFloat _param_dist_1wp; struct mission_s _onboard_mission; struct mission_s _offboard_mission; @@ -148,6 +155,7 @@ private: } _mission_type; bool _inited; + bool _dist_1wp_ok; MissionFeasibilityChecker missionFeasiblityChecker; /**< class that checks if a mission is feasible */ }; diff --git a/src/modules/navigator/mission_params.c b/src/modules/navigator/mission_params.c index 8692328db..5cb3782c9 100644 --- a/src/modules/navigator/mission_params.c +++ b/src/modules/navigator/mission_params.c @@ -58,7 +58,6 @@ */ PARAM_DEFINE_FLOAT(MIS_TAKEOFF_ALT, 10.0f); - /** * Enable onboard mission * @@ -67,3 +66,15 @@ PARAM_DEFINE_FLOAT(MIS_TAKEOFF_ALT, 10.0f); * @group Mission */ PARAM_DEFINE_INT32(MIS_ONBOARD_EN, 0); + +/** + * Maximal horizontal distance from home to first waypoint + * + * Failsafe check to prevent running mission stored from previous flight on new place. + * Value < 0 means that check disabled. + * + * @min -1 + * @max 200 + * @group Mission + */ +PARAM_DEFINE_FLOAT(MIS_DIST_1WP, 50); |