Example #1
0
// rtl_returnhome_run - return home
//      called by rtl_run at 100hz or more
void Copter::ModeRTL::land_run(bool disarm_on_land)
{
    // if not auto armed or landing completed or motor interlock not enabled set throttle to zero and exit immediately
    if (!motors->armed() || !ap.auto_armed || ap.land_complete || !motors->get_interlock()) {
        zero_throttle_and_relax_ac();
        // set target to current position
        loiter_nav->clear_pilot_desired_acceleration();
        loiter_nav->init_target();

        // disarm when the landing detector says we've landed
        if (ap.land_complete && disarm_on_land) {
            copter.init_disarm_motors();
        }

        // check if we've completed this stage of RTL
        _state_complete = ap.land_complete;
        return;
    }

    // set motors to full range
    motors->set_desired_spool_state(AP_Motors::DESIRED_THROTTLE_UNLIMITED);

    land_run_horizontal_control();
    land_run_vertical_control();

    // check if we've completed this stage of RTL
    _state_complete = ap.land_complete;
}
Example #2
0
// rtl_returnhome_run - return home
//      called by rtl_run at 100hz or more
void Copter::rtl_land_run()
{
    // if not auto armed or landing completed or motor interlock not enabled set throttle to zero and exit immediately
    if (!motors.armed() || !ap.auto_armed || ap.land_complete || !motors.get_interlock()) {
#if FRAME_CONFIG == HELI_FRAME  // Helicopters always stabilize roll/pitch/yaw
        // call attitude controller
        attitude_control.input_euler_angle_roll_pitch_euler_rate_yaw(0, 0, 0, get_smoothing_gain());
        attitude_control.set_throttle_out(0,false,g.throttle_filt);
#else
        motors.set_desired_spool_state(AP_Motors::DESIRED_SPIN_WHEN_ARMED);
        // multicopters do not stabilize roll/pitch/yaw when disarmed
        attitude_control.set_throttle_out_unstabilized(0,true,g.throttle_filt);
#endif
        // set target to current position
        wp_nav.init_loiter_target();

        // disarm when the landing detector says we've landed
        if (ap.land_complete) {
            init_disarm_motors();
        }

        // check if we've completed this stage of RTL
        rtl_state_complete = ap.land_complete;
        return;
    }

    // set motors to full range
    motors.set_desired_spool_state(AP_Motors::DESIRED_THROTTLE_UNLIMITED);

    land_run_horizontal_control();
    land_run_vertical_control();

    // check if we've completed this stage of RTL
    rtl_state_complete = ap.land_complete;
}
Example #3
0
// land_gps_run - runs the land controller
//      horizontal position controlled with loiter controller
//      should be called at 100hz or more
void Copter::ModeLand::gps_run()
{
    // if not auto armed or landed or motor interlock not enabled set throttle to zero and exit immediately
    if (!motors->armed() || !ap.auto_armed || ap.land_complete || !motors->get_interlock()) {
        zero_throttle_and_relax_ac();
        loiter_nav->clear_pilot_desired_acceleration();
        loiter_nav->init_target();

        // disarm when the landing detector says we've landed
        if (ap.land_complete) {
            copter.init_disarm_motors();
        }
        return;
    }

    // set motors to full range
    motors->set_desired_spool_state(AP_Motors::DESIRED_THROTTLE_UNLIMITED);

    // pause before beginning land descent
    if (land_pause && millis()-land_start_time >= LAND_WITH_DELAY_MS) {
        land_pause = false;
    }

    land_run_horizontal_control();
    land_run_vertical_control(land_pause);
}
Example #4
0
// land_run - runs the land controller
//      horizontal position controlled with loiter controller
//      should be called at 100hz or more
void Copter::land_gps_run()
{
    // if not auto armed or landed or motor interlock not enabled set throttle to zero and exit immediately
    if (!motors.armed() || !ap.auto_armed || ap.land_complete || !motors.get_interlock()) {
#if FRAME_CONFIG == HELI_FRAME  // Helicopters always stabilize roll/pitch/yaw
        // call attitude controller
        attitude_control.input_euler_angle_roll_pitch_euler_rate_yaw(0, 0, 0, get_smoothing_gain());
        attitude_control.set_throttle_out(0,false,g.throttle_filt);
#else
        motors.set_desired_spool_state(AP_Motors::DESIRED_SPIN_WHEN_ARMED);
        // multicopters do not stabilize roll/pitch/yaw when disarmed
        attitude_control.set_throttle_out_unstabilized(0,true,g.throttle_filt);
#endif
        wp_nav.init_loiter_target();

        // disarm when the landing detector says we've landed
        if (ap.land_complete) {
            init_disarm_motors();
        }
        return;
    }
    
    // set motors to full range
    motors.set_desired_spool_state(AP_Motors::DESIRED_THROTTLE_UNLIMITED);
    
    // pause before beginning land descent
    if(land_pause && millis()-land_start_time >= LAND_WITH_DELAY_MS) {
        land_pause = false;
    }
    
    land_run_horizontal_control();
    land_run_vertical_control(land_pause);
}
Example #5
0
// land_nogps_run - runs the land controller
//      pilot controls roll and pitch angles
//      should be called at 100hz or more
void Copter::ModeLand::nogps_run()
{
    float target_roll = 0.0f, target_pitch = 0.0f;
    float target_yaw_rate = 0;

    // process pilot inputs
    if (!copter.failsafe.radio) {
        if ((g.throttle_behavior & THR_BEHAVE_HIGH_THROTTLE_CANCELS_LAND) != 0 && copter.rc_throttle_control_in_filter.get() > LAND_CANCEL_TRIGGER_THR){
            Log_Write_Event(DATA_LAND_CANCELLED_BY_PILOT);
            // exit land if throttle is high
            copter.set_mode(ALT_HOLD, MODE_REASON_THROTTLE_LAND_ESCAPE);
        }

        if (g.land_repositioning) {
            // apply SIMPLE mode transform to pilot inputs
            update_simple_mode();

            // get pilot desired lean angles
            get_pilot_desired_lean_angles(target_roll, target_pitch, copter.aparm.angle_max, attitude_control->get_althold_lean_angle_max());
        }

        // get pilot's desired yaw rate
        target_yaw_rate = get_pilot_desired_yaw_rate(channel_yaw->get_control_in());
    }

    // if not auto armed or landed or motor interlock not enabled set throttle to zero and exit immediately
    if (!motors->armed() || !ap.auto_armed || ap.land_complete || !motors->get_interlock()) {
#if FRAME_CONFIG == HELI_FRAME  // Helicopters always stabilize roll/pitch/yaw
        // call attitude controller
        attitude_control->input_euler_angle_roll_pitch_euler_rate_yaw(target_roll, target_pitch, target_yaw_rate);
        attitude_control->set_throttle_out(0,false,g.throttle_filt);
#else
        motors->set_desired_spool_state(AP_Motors::DESIRED_SPIN_WHEN_ARMED);
        // multicopters do not stabilize roll/pitch/yaw when disarmed
        attitude_control->set_throttle_out_unstabilized(0,true,g.throttle_filt);
#endif

        // disarm when the landing detector says we've landed
        if (ap.land_complete) {
            copter.init_disarm_motors();
        }
        return;
    }

    // set motors to full range
    motors->set_desired_spool_state(AP_Motors::DESIRED_THROTTLE_UNLIMITED);

    // call attitude controller
    attitude_control->input_euler_angle_roll_pitch_euler_rate_yaw(target_roll, target_pitch, target_yaw_rate);

    // pause before beginning land descent
    if (land_pause && millis()-land_start_time >= LAND_WITH_DELAY_MS) {
        land_pause = false;
    }

    land_run_vertical_control(land_pause);
}
Example #6
0
// rtl_returnhome_run - return home
//      called by rtl_run at 100hz or more
void Copter::ModeRTL::land_run(bool disarm_on_land)
{
    // check if we've completed this stage of RTL
    _state_complete = ap.land_complete;

    // disarm when the landing detector says we've landed
    if (disarm_on_land && ap.land_complete && motors->get_spool_state() == AP_Motors::SpoolState::GROUND_IDLE) {
        copter.init_disarm_motors();
    }

    // if not armed set throttle to zero and exit immediately
    if (is_disarmed_or_landed()) {
        make_safe_spool_down();
        loiter_nav->init_target();
        return;
    }

    // set motors to full range
    motors->set_desired_spool_state(AP_Motors::DesiredSpoolState::THROTTLE_UNLIMITED);

    land_run_horizontal_control();
    land_run_vertical_control();
}