diff options
Diffstat (limited to 'src/modules/fw_pos_control_l1')
| -rw-r--r-- | src/modules/fw_pos_control_l1/fw_pos_control_l1_main.cpp | 78 |
1 files changed, 60 insertions, 18 deletions
diff --git a/src/modules/fw_pos_control_l1/fw_pos_control_l1_main.cpp b/src/modules/fw_pos_control_l1/fw_pos_control_l1_main.cpp index 23167eef4..fdb1b2429 100644 --- a/src/modules/fw_pos_control_l1/fw_pos_control_l1_main.cpp +++ b/src/modules/fw_pos_control_l1/fw_pos_control_l1_main.cpp @@ -141,7 +141,8 @@ private: int _pos_sp_triplet_sub; int _att_sub; /**< vehicle attitude subscription */ int _airspeed_sub; /**< airspeed subscription */ - int _control_mode_sub; /**< vehicle status subscription */ + int _control_mode_sub; /**< control mode subscription */ + int _vehicle_status_sub; /**< vehicle status subscription */ int _params_sub; /**< notification of parameter updates */ int _manual_control_sub; /**< notification of manual control updates */ int _sensor_combined_sub; /**< for body frame accelerations */ @@ -156,7 +157,8 @@ private: struct navigation_capabilities_s _nav_capabilities; /**< navigation capabilities */ struct manual_control_setpoint_s _manual; /**< r/c channel data */ struct airspeed_s _airspeed; /**< airspeed */ - struct vehicle_control_mode_s _control_mode; /**< vehicle status */ + struct vehicle_control_mode_s _control_mode; /**< control mode */ + struct vehicle_status_s _vehicle_status; /**< vehicle status */ struct vehicle_global_position_s _global_pos; /**< global vehicle position */ struct position_setpoint_triplet_s _pos_sp_triplet; /**< triplet of mission items */ struct sensor_combined_s _sensor_combined; /**< for body frame accelerations */ @@ -304,11 +306,16 @@ private: void control_update(); /** - * Check for changes in vehicle status. + * Check for changes in control mode */ void vehicle_control_mode_poll(); /** + * Check for changes in vehicle status. + */ + void vehicle_status_poll(); + + /** * Check for airspeed updates. */ bool vehicle_airspeed_poll(); @@ -412,6 +419,7 @@ FixedwingPositionControl::FixedwingPositionControl() : _att_sub(-1), _airspeed_sub(-1), _control_mode_sub(-1), + _vehicle_status_sub(-1), _params_sub(-1), _manual_control_sub(-1), _sensor_combined_sub(-1), @@ -429,6 +437,7 @@ FixedwingPositionControl::FixedwingPositionControl() : _manual(), _airspeed(), _control_mode(), + _vehicle_status(), _global_pos(), _pos_sp_triplet(), _sensor_combined(), @@ -639,16 +648,27 @@ FixedwingPositionControl::parameters_update() void FixedwingPositionControl::vehicle_control_mode_poll() { - bool vstatus_updated; + bool updated; - /* Check HIL state if vehicle status has changed */ - orb_check(_control_mode_sub, &vstatus_updated); + orb_check(_control_mode_sub, &updated); - if (vstatus_updated) { + if (updated) { orb_copy(ORB_ID(vehicle_control_mode), _control_mode_sub, &_control_mode); } } +void +FixedwingPositionControl::vehicle_status_poll() +{ + bool updated; + + orb_check(_vehicle_status_sub, &updated); + + if (updated) { + orb_copy(ORB_ID(vehicle_status), _vehicle_status_sub, &_vehicle_status); + } +} + bool FixedwingPositionControl::vehicle_airspeed_poll() { @@ -1210,16 +1230,21 @@ FixedwingPositionControl::control_position(const math::Vector<2> ¤t_positi } } - /* Copy thrust and pitch values from tecs - * making sure again that the correct thrust is used, - * without depending on library calls for safety reasons */ - if (pos_sp_triplet.current.type == SETPOINT_TYPE_TAKEOFF && + if (_vehicle_status.engine_failure || _vehicle_status.engine_failure_cmd) { + /* Set thrust to 0 to minimize damage */ + _att_sp.thrust = 0.0f; + } else if (pos_sp_triplet.current.type == SETPOINT_TYPE_TAKEOFF && launch_detection_state != LAUNCHDETECTION_RES_DETECTED_ENABLEMOTORS) { + /* Copy thrust and pitch values from tecs + * making sure again that the correct thrust is used, + * without depending on library calls for safety reasons */ _att_sp.thrust = launchDetector.getThrottlePreTakeoff(); + } else { + /* Copy thrust and pitch values from tecs */ + _att_sp.thrust = math::min(_mTecs.getEnabled() ? _mTecs.getThrottleSetpoint() : + _tecs.get_throttle_demand(), throttle_max); } - else { - _att_sp.thrust = math::min(_mTecs.getEnabled() ? _mTecs.getThrottleSetpoint() : _tecs.get_throttle_demand(), throttle_max); - } + /* During a takeoff waypoint while waiting for launch the pitch sp is set * already (not by tecs) */ if (!(pos_sp_triplet.current.type == SETPOINT_TYPE_TAKEOFF && @@ -1249,13 +1274,16 @@ FixedwingPositionControl::task_main() _att_sub = orb_subscribe(ORB_ID(vehicle_attitude)); _sensor_combined_sub = orb_subscribe(ORB_ID(sensor_combined)); _control_mode_sub = orb_subscribe(ORB_ID(vehicle_control_mode)); + _vehicle_status_sub = orb_subscribe(ORB_ID(vehicle_status)); _airspeed_sub = orb_subscribe(ORB_ID(airspeed)); _params_sub = orb_subscribe(ORB_ID(parameter_update)); _manual_control_sub = orb_subscribe(ORB_ID(manual_control_setpoint)); _range_finder_sub = orb_subscribe(ORB_ID(sensor_range_finder)); - /* rate limit vehicle status updates to 5Hz */ + /* rate limit control mode updates to 5Hz */ orb_set_interval(_control_mode_sub, 200); + /* rate limit vehicle status updates to 5Hz */ + orb_set_interval(_vehicle_status_sub, 200); /* rate limit position updates to 50 Hz */ orb_set_interval(_global_pos_sub, 20); @@ -1294,9 +1322,12 @@ FixedwingPositionControl::task_main() perf_begin(_loop_perf); - /* check vehicle status for changes to publication state */ + /* check vehicle control mode for changes to publication state */ vehicle_control_mode_poll(); + /* check vehicle status for changes to publication state */ + vehicle_status_poll(); + /* only update parameters if they changed */ if (fds[0].revents & POLLIN) { /* read from param to clear updated flag */ @@ -1408,7 +1439,12 @@ void FixedwingPositionControl::tecs_update_pitch_throttle(float alt_sp, float v_ flightPathAngle = -asinf(ground_speed(2)/ground_speed_length); } fwPosctrl::LimitOverride limitOverride; - if (climbout_mode) { + if (_vehicle_status.engine_failure || _vehicle_status.engine_failure_cmd) { + /* Force the slow downwards spiral */ + limitOverride.enablePitchMinOverride(-1.0f); + limitOverride.enablePitchMaxOverride(5.0f); + + } else if (climbout_mode) { limitOverride.enablePitchMinOverride(M_RAD_TO_DEG_F * climbout_pitch_min_rad); } else { limitOverride.disablePitchMinOverride(); @@ -1424,7 +1460,13 @@ void FixedwingPositionControl::tecs_update_pitch_throttle(float alt_sp, float v_ _mTecs.updateAltitudeSpeed(flightPathAngle, altitude, alt_sp, _airspeed.true_airspeed_m_s, v_sp, mode, limitOverride); } else { - /* No underspeed protection in landing mode */ + if (_vehicle_status.engine_failure || _vehicle_status.engine_failure_cmd) { + /* Force the slow downwards spiral */ + pitch_min_rad = M_DEG_TO_RAD_F * -1.0f; + pitch_max_rad = M_DEG_TO_RAD_F * 5.0f; + } + +/* No underspeed protection in landing mode */ _tecs.set_detect_underspeed_enabled(!(mode == TECS_MODE_LAND || mode == TECS_MODE_LAND_THROTTLELIM)); /* Using tecs library */ |