mirror of https://github.com/ArduPilot/ardupilot
329 lines
8.6 KiB
Plaintext
329 lines
8.6 KiB
Plaintext
/// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
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/*
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* flight.pde - high level calls to set and update flight modes
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* logic for individual flight modes is in control_acro.pde, control_stabilize.pde, etc
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*/
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// set_mode - change flight mode and perform any necessary initialisation
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// optional force parameter used to force the flight mode change (used only first time mode is set)
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// returns true if mode was succesfully set
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// ACRO, STABILIZE, ALTHOLD, LAND, DRIFT and SPORT can always be set successfully but the return state of other flight modes should be checked and the caller should deal with failures appropriately
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static bool set_mode(uint8_t mode)
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{
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// boolean to record if flight mode could be set
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bool success = false;
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bool ignore_checks = !motors.armed(); // allow switching to any mode if disarmed. We rely on the arming check to perform
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// return immediately if we are already in the desired mode
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if (mode == control_mode) {
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return true;
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}
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switch(mode) {
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case ACRO:
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#if FRAME_CONFIG == HELI_FRAME
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success = heli_acro_init(ignore_checks);
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#else
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success = acro_init(ignore_checks);
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#endif
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break;
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case STABILIZE:
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#if FRAME_CONFIG == HELI_FRAME
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success = heli_stabilize_init(ignore_checks);
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#else
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success = stabilize_init(ignore_checks);
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#endif
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break;
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case ALT_HOLD:
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success = althold_init(ignore_checks);
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break;
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case AUTO:
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success = auto_init(ignore_checks);
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break;
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case CIRCLE:
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success = circle_init(ignore_checks);
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break;
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case LOITER:
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success = loiter_init(ignore_checks);
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break;
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case GUIDED:
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success = guided_init(ignore_checks);
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break;
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case LAND:
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success = land_init(ignore_checks);
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break;
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case RTL:
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success = rtl_init(ignore_checks);
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break;
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case DRIFT:
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success = drift_init(ignore_checks);
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break;
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case SPORT:
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success = sport_init(ignore_checks);
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break;
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case FLIP:
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success = flip_init(ignore_checks);
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break;
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#if AUTOTUNE_ENABLED == ENABLED
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case AUTOTUNE:
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success = autotune_init(ignore_checks);
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break;
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#endif
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#if POSHOLD_ENABLED == ENABLED
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case POSHOLD:
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success = poshold_init(ignore_checks);
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break;
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#endif
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default:
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success = false;
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break;
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}
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// update flight mode
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if (success) {
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// perform any cleanup required by previous flight mode
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exit_mode(control_mode, mode);
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control_mode = mode;
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Log_Write_Mode(control_mode);
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#if AC_FENCE == ENABLED
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// pilot requested flight mode change during a fence breach indicates pilot is attempting to manually recover
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// this flight mode change could be automatic (i.e. fence, battery, GPS or GCS failsafe)
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// but it should be harmless to disable the fence temporarily in these situations as well
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fence.manual_recovery_start();
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#endif
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}else{
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// Log error that we failed to enter desired flight mode
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Log_Write_Error(ERROR_SUBSYSTEM_FLIGHT_MODE,mode);
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}
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// return success or failure
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return success;
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}
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// update_flight_mode - calls the appropriate attitude controllers based on flight mode
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// called at 100hz or more
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static void update_flight_mode()
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{
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#if AP_AHRS_NAVEKF_AVAILABLE
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// Update EKF speed limit - used to limit speed when we are using optical flow
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ahrs.getEkfControlLimits(ekfGndSpdLimit, ekfNavVelGainScaler);
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#endif
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switch (control_mode) {
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case ACRO:
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#if FRAME_CONFIG == HELI_FRAME
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heli_acro_run();
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#else
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acro_run();
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#endif
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break;
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case STABILIZE:
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#if FRAME_CONFIG == HELI_FRAME
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heli_stabilize_run();
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#else
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stabilize_run();
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#endif
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break;
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case ALT_HOLD:
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althold_run();
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break;
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case AUTO:
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auto_run();
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break;
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case CIRCLE:
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circle_run();
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break;
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case LOITER:
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loiter_run();
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break;
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case GUIDED:
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guided_run();
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break;
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case LAND:
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land_run();
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break;
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case RTL:
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rtl_run();
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break;
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case DRIFT:
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drift_run();
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break;
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case SPORT:
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sport_run();
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break;
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case FLIP:
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flip_run();
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break;
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#if AUTOTUNE_ENABLED == ENABLED
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case AUTOTUNE:
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autotune_run();
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break;
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#endif
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#if POSHOLD_ENABLED == ENABLED
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case POSHOLD:
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poshold_run();
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break;
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#endif
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}
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}
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// exit_mode - high level call to organise cleanup as a flight mode is exited
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static void exit_mode(uint8_t old_control_mode, uint8_t new_control_mode)
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{
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#if AUTOTUNE_ENABLED == ENABLED
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if (old_control_mode == AUTOTUNE) {
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autotune_stop();
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}
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#endif
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// stop mission when we leave auto mode
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if (old_control_mode == AUTO) {
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if (mission.state() == AP_Mission::MISSION_RUNNING) {
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mission.stop();
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}
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#if MOUNT == ENABLED
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camera_mount.set_mode_to_default();
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#endif // MOUNT == ENABLED
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}
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// smooth throttle transition when switching from manual to automatic flight modes
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if (manual_flight_mode(old_control_mode) && !manual_flight_mode(new_control_mode) && motors.armed() && !ap.land_complete) {
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// this assumes all manual flight modes use get_pilot_desired_throttle to translate pilot input to output throttle
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set_accel_throttle_I_from_pilot_throttle(get_pilot_desired_throttle(g.rc_3.control_in));
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}
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#if FRAME_CONFIG == HELI_FRAME
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// firmly reset the flybar passthrough to false when exiting acro mode.
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if (old_control_mode == ACRO) {
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attitude_control.use_flybar_passthrough(false);
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}
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#endif //HELI_FRAME
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}
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// returns true or false whether mode requires GPS
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static bool mode_requires_GPS(uint8_t mode) {
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switch(mode) {
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case AUTO:
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case GUIDED:
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case LOITER:
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case RTL:
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case CIRCLE:
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case DRIFT:
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case POSHOLD:
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return true;
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default:
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return false;
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}
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return false;
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}
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// manual_flight_mode - returns true if flight mode is completely manual (i.e. roll, pitch, yaw and throttle are controlled by pilot)
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static bool manual_flight_mode(uint8_t mode) {
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switch(mode) {
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case ACRO:
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case STABILIZE:
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return true;
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default:
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return false;
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}
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return false;
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}
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// mode_allows_arming - returns true if vehicle can be armed in the specified mode
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// arming_from_gcs should be set to true if the arming request comes from the ground station
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static bool mode_allows_arming(uint8_t mode, bool arming_from_gcs) {
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if (manual_flight_mode(mode) || mode == LOITER || mode == ALT_HOLD || mode == POSHOLD || (arming_from_gcs && mode == GUIDED)) {
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return true;
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}
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return false;
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}
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//
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// print_flight_mode - prints flight mode to serial port.
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//
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static void
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print_flight_mode(AP_HAL::BetterStream *port, uint8_t mode)
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{
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switch (mode) {
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case STABILIZE:
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port->print_P(PSTR("STABILIZE"));
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break;
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case ACRO:
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port->print_P(PSTR("ACRO"));
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break;
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case ALT_HOLD:
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port->print_P(PSTR("ALT_HOLD"));
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break;
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case AUTO:
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port->print_P(PSTR("AUTO"));
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break;
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case GUIDED:
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port->print_P(PSTR("GUIDED"));
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break;
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case LOITER:
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port->print_P(PSTR("LOITER"));
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break;
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case RTL:
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port->print_P(PSTR("RTL"));
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break;
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case CIRCLE:
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port->print_P(PSTR("CIRCLE"));
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break;
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case LAND:
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port->print_P(PSTR("LAND"));
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break;
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case OF_LOITER:
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port->print_P(PSTR("OF_LOITER"));
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break;
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case DRIFT:
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port->print_P(PSTR("DRIFT"));
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break;
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case SPORT:
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port->print_P(PSTR("SPORT"));
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break;
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case FLIP:
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port->print_P(PSTR("FLIP"));
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break;
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case AUTOTUNE:
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port->print_P(PSTR("AUTOTUNE"));
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break;
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case POSHOLD:
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port->print_P(PSTR("POSHOLD"));
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break;
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default:
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port->printf_P(PSTR("Mode(%u)"), (unsigned)mode);
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break;
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}
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}
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