diff options
Diffstat (limited to 'src/modules/navigator/rtl.cpp')
-rw-r--r-- | src/modules/navigator/rtl.cpp | 192 |
1 files changed, 115 insertions, 77 deletions
diff --git a/src/modules/navigator/rtl.cpp b/src/modules/navigator/rtl.cpp index c1b1d3f09..043f773a4 100644 --- a/src/modules/navigator/rtl.cpp +++ b/src/modules/navigator/rtl.cpp @@ -44,6 +44,7 @@ #include <mavlink/mavlink_log.h> #include <systemlib/err.h> +#include <geo/geo.h> #include <uORB/uORB.h> #include <uORB/topics/mission.h> @@ -52,14 +53,14 @@ #include "navigator.h" #include "rtl.h" +#define DELAY_SIGMA 0.01f + RTL::RTL(Navigator *navigator, const char *name) : - NavigatorMode(navigator, name), - MissionBlock(navigator), + 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_acceptance_radius(this, "ACCEPT_RAD") + _param_land_delay(this, "LAND_DELAY") { /* load initial params */ updateParams(); @@ -75,7 +76,11 @@ void RTL::on_inactive() { _first_run = true; - _rtl_state = RTL_STATE_NONE; + + /* reset RTL state only if setpoint moved */ + if (!_navigator->get_can_loiter_at_sp()) { + _rtl_state = RTL_STATE_NONE; + } } bool @@ -84,14 +89,33 @@ RTL::on_active(struct position_setpoint_triplet_s *pos_sp_triplet) bool updated = false; if (_first_run) { + _first_run = false; + + /* decide where to enter the RTL procedure when we switch into it */ + if (_rtl_state == RTL_STATE_NONE) { + /* for safety reasons don't go into RTL if landed */ + if (_navigator->get_vstatus()->condition_landed) { + _rtl_state = RTL_STATE_LANDED; + mavlink_log_info(_navigator->get_mavlink_fd(), "#audio: no RTL when landed"); + + /* if lower than return altitude, climb up first */ + } else if (_navigator->get_global_position()->alt < _navigator->get_home_position()->alt + + _param_return_alt.get()) { + _rtl_state = RTL_STATE_CLIMB; + + /* otherwise go straight to return */ + } else { + /* set altitude setpoint to current altitude */ + _rtl_state = RTL_STATE_RETURN; + _mission_item.altitude_is_relative = false; + _mission_item.altitude = _navigator->get_global_position()->alt; + } + } + set_rtl_item(pos_sp_triplet); updated = true; - _first_run = false; - } - if ((_rtl_state == RTL_STATE_CLIMB - || _rtl_state == RTL_STATE_RETURN) - && is_mission_item_reached()) { + } else if (_rtl_state != RTL_STATE_LANDED && is_mission_item_reached()) { advance_rtl(); set_rtl_item(pos_sp_triplet); updated = true; @@ -106,31 +130,11 @@ RTL::set_rtl_item(position_setpoint_triplet_s *pos_sp_triplet) /* make sure we have the latest params */ updateParams(); - /* decide where to enter the RTL procedure when we switch into it */ - if (_rtl_state == RTL_STATE_NONE) { - /* for safety reasons don't go into RTL if landed */ - if (_navigator->get_vstatus()->condition_landed) { - _rtl_state = RTL_STATE_FINISHED; - mavlink_log_info(_navigator->get_mavlink_fd(), "#audio: no RTL when landed"); - /* if lower than return altitude, climb up first */ - } else if (_navigator->get_global_position()->alt < _navigator->get_home_position()->alt - + _param_return_alt.get()) { - _rtl_state = RTL_STATE_CLIMB; - /* otherwise go straight to return */ - } else { - _rtl_state = RTL_STATE_RETURN; - } - } - - /* if switching directly to return state, set altitude setpoint to current altitude */ - if (_rtl_state == RTL_STATE_RETURN) { - _mission_item.altitude_is_relative = false; - _mission_item.altitude = _navigator->get_global_position()->alt; - } + set_previous_pos_setpoint(pos_sp_triplet); + _navigator->set_can_loiter_at_sp(false); switch (_rtl_state) { case RTL_STATE_CLIMB: { - float climb_alt = _navigator->get_home_position()->alt + _param_return_alt.get(); _mission_item.lat = _navigator->get_global_position()->lat; @@ -141,50 +145,49 @@ RTL::set_rtl_item(position_setpoint_triplet_s *pos_sp_triplet) _mission_item.loiter_radius = _navigator->get_loiter_radius(); _mission_item.loiter_direction = 1; _mission_item.nav_cmd = NAV_CMD_WAYPOINT; - _mission_item.acceptance_radius = _param_acceptance_radius.get(); + _mission_item.acceptance_radius = _navigator->get_acceptance_radius(); _mission_item.time_inside = 0.0f; _mission_item.pitch_min = 0.0f; _mission_item.autocontinue = true; _mission_item.origin = ORIGIN_ONBOARD; - _navigator->set_is_in_loiter(false); - mavlink_log_info(_navigator->get_mavlink_fd(), "#audio: RTL: climb to %d meters above home", (int)(climb_alt - _navigator->get_home_position()->alt)); break; } - case RTL_STATE_RETURN: { + case RTL_STATE_RETURN: { _mission_item.lat = _navigator->get_home_position()->lat; _mission_item.lon = _navigator->get_home_position()->lon; - - /* TODO: add this again */ - // don't change altitude - // if (_pos_sp_triplet.previous.valid) { - // /* if previous setpoint is valid then use it to calculate heading to home */ - // _mission_item.yaw = get_bearing_to_next_waypoint(_pos_sp_triplet.previous.lat, _pos_sp_triplet.previous.lon, _mission_item.lat, _mission_item.lon); - - // } else { - // /* else use current position */ - // _mission_item.yaw = get_bearing_to_next_waypoint(_global_pos.lat, _global_pos.lon, _mission_item.lat, _mission_item.lon); - // } + // don't change altitude + + if (pos_sp_triplet->previous.valid) { + /* if previous setpoint is valid then use it to calculate heading to home */ + _mission_item.yaw = get_bearing_to_next_waypoint( + pos_sp_triplet->previous.lat, pos_sp_triplet->previous.lon, + _mission_item.lat, _mission_item.lon); + + } else { + /* else use current position */ + _mission_item.yaw = get_bearing_to_next_waypoint( + _navigator->get_global_position()->lat, _navigator->get_global_position()->lon, + _mission_item.lat, _mission_item.lon); + } _mission_item.loiter_radius = _navigator->get_loiter_radius(); _mission_item.loiter_direction = 1; _mission_item.nav_cmd = NAV_CMD_WAYPOINT; - _mission_item.acceptance_radius = _param_acceptance_radius.get(); + _mission_item.acceptance_radius = _navigator->get_acceptance_radius(); _mission_item.time_inside = 0.0f; _mission_item.pitch_min = 0.0f; _mission_item.autocontinue = true; _mission_item.origin = ORIGIN_ONBOARD; - _navigator->set_is_in_loiter(false); - mavlink_log_info(_navigator->get_mavlink_fd(), "#audio: RTL: return at %d meters above home", (int)(_mission_item.altitude - _navigator->get_home_position()->alt)); break; } - case RTL_STATE_DESCEND: { + case RTL_STATE_DESCEND: { _mission_item.lat = _navigator->get_home_position()->lat; _mission_item.lon = _navigator->get_home_position()->lon; _mission_item.altitude_is_relative = false; @@ -193,59 +196,92 @@ RTL::set_rtl_item(position_setpoint_triplet_s *pos_sp_triplet) _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 = _param_acceptance_radius.get(); - _mission_item.time_inside = _param_land_delay.get() < 0.0f ? 0.0f : _param_land_delay.get(); + _mission_item.acceptance_radius = _navigator->get_acceptance_radius(); + _mission_item.time_inside = 0.0f; _mission_item.pitch_min = 0.0f; - _mission_item.autocontinue = _param_land_delay.get() > -0.001f; + _mission_item.autocontinue = false; _mission_item.origin = ORIGIN_ONBOARD; - _navigator->set_is_in_loiter(true); - mavlink_log_info(_navigator->get_mavlink_fd(), "#audio: RTL: descend to %d meters above home", (int)(_mission_item.altitude - _navigator->get_home_position()->alt)); break; } - case RTL_STATE_LAND: { + case RTL_STATE_LOITER: { + bool autoland = _param_land_delay.get() > -DELAY_SIGMA; _mission_item.lat = _navigator->get_home_position()->lat; _mission_item.lon = _navigator->get_home_position()->lon; _mission_item.altitude_is_relative = false; + _mission_item.altitude = _navigator->get_home_position()->alt + _param_descend_alt.get(); + _mission_item.yaw = NAN; + _mission_item.loiter_radius = _navigator->get_loiter_radius(); + _mission_item.loiter_direction = 1; + _mission_item.nav_cmd = autoland ? NAV_CMD_LOITER_TIME_LIMIT : NAV_CMD_LOITER_UNLIMITED; + _mission_item.acceptance_radius = _navigator->get_acceptance_radius(); + _mission_item.time_inside = _param_land_delay.get() < 0.0f ? 0.0f : _param_land_delay.get(); + _mission_item.pitch_min = 0.0f; + _mission_item.autocontinue = autoland; + _mission_item.origin = ORIGIN_ONBOARD; + + _navigator->set_can_loiter_at_sp(true); + + if (autoland) { + mavlink_log_info(_navigator->get_mavlink_fd(), "#audio: RTL: loiter %.1fs", _mission_item.time_inside); + + } else { + mavlink_log_info(_navigator->get_mavlink_fd(), "#audio: RTL: completed, loiter"); + } + break; + } + + case RTL_STATE_LAND: { + _mission_item.lat = _navigator->get_home_position()->lat; + _mission_item.lon = _navigator->get_home_position()->lon; + _mission_item.altitude_is_relative = false; _mission_item.altitude = _navigator->get_home_position()->alt; _mission_item.yaw = NAN; _mission_item.loiter_radius = _navigator->get_loiter_radius(); _mission_item.loiter_direction = 1; _mission_item.nav_cmd = NAV_CMD_LAND; - _mission_item.acceptance_radius = _param_acceptance_radius.get(); + _mission_item.acceptance_radius = _navigator->get_acceptance_radius(); _mission_item.time_inside = 0.0f; _mission_item.pitch_min = 0.0f; _mission_item.autocontinue = true; _mission_item.origin = ORIGIN_ONBOARD; - _navigator->set_is_in_loiter(false); - mavlink_log_info(_navigator->get_mavlink_fd(), "#audio: RTL: land at home"); break; } - case RTL_STATE_FINISHED: { - /* nothing to do, report fail */ + case RTL_STATE_LANDED: { + _mission_item.lat = _navigator->get_home_position()->lat; + _mission_item.lon = _navigator->get_home_position()->lon; + _mission_item.altitude_is_relative = false; + _mission_item.altitude = _navigator->get_home_position()->alt; + _mission_item.yaw = NAN; + _mission_item.loiter_radius = _navigator->get_loiter_radius(); + _mission_item.loiter_direction = 1; + _mission_item.nav_cmd = NAV_CMD_IDLE; + _mission_item.acceptance_radius = _navigator->get_acceptance_radius(); + _mission_item.time_inside = 0.0f; + _mission_item.pitch_min = 0.0f; + _mission_item.autocontinue = true; + _mission_item.origin = ORIGIN_ONBOARD; + + mavlink_log_info(_navigator->get_mavlink_fd(), "#audio: RTL: completed, landed"); + break; } default: break; } - if (_rtl_state == RTL_STATE_FINISHED) { - pos_sp_triplet->current.valid = false; - pos_sp_triplet->next.valid = false; - } else { - /* if not finished, convert mission item to current position setpoint and make it valid */ - mission_item_to_position_setpoint(&_mission_item, &pos_sp_triplet->current); - reset_mission_item_reached(); - pos_sp_triplet->current.valid = true; - pos_sp_triplet->next.valid = false; - } + /* convert mission item to current position setpoint and make it valid */ + mission_item_to_position_setpoint(&_mission_item, &pos_sp_triplet->current); + reset_mission_item_reached(); + pos_sp_triplet->current.valid = true; + pos_sp_triplet->next.valid = false; } void @@ -262,18 +298,20 @@ RTL::advance_rtl() case RTL_STATE_DESCEND: /* only go to land if autoland is enabled */ - if (_param_land_delay.get() < 0) { - _rtl_state = RTL_STATE_FINISHED; + if (_param_land_delay.get() < -DELAY_SIGMA || _param_land_delay.get() > DELAY_SIGMA) { + _rtl_state = RTL_STATE_LOITER; + } else { _rtl_state = RTL_STATE_LAND; } break; - case RTL_STATE_LAND: - _rtl_state = RTL_STATE_FINISHED; + case RTL_STATE_LOITER: + _rtl_state = RTL_STATE_LAND; break; - case RTL_STATE_FINISHED: + case RTL_STATE_LAND: + _rtl_state = RTL_STATE_LANDED; break; default: |