Exemple #1
0
void plan_run_VelocityRoam()
{
    // float alpha;
    PathDesiredData pathDesired;
    FlightStatusAssistedControlStateOptions assistedControlFlightMode;
    FlightStatusFlightModeOptions flightMode;

    PathDesiredGet(&pathDesired);
    FlightModeSettingsPositionHoldOffsetData offset;
    FlightModeSettingsPositionHoldOffsetGet(&offset);
    FlightStatusAssistedControlStateGet(&assistedControlFlightMode);
    FlightStatusFlightModeGet(&flightMode);
    StabilizationBankData stabSettings;
    StabilizationBankGet(&stabSettings);

    ManualControlCommandData cmd;
    ManualControlCommandGet(&cmd);

    cmd.Roll  = applyExpo(cmd.Roll, stabSettings.StickExpo.Roll);
    cmd.Pitch = applyExpo(cmd.Pitch, stabSettings.StickExpo.Pitch);
    cmd.Yaw   = applyExpo(cmd.Yaw, stabSettings.StickExpo.Yaw);

    bool flagRollPitchHasInput = (fabsf(cmd.Roll) > 0.0f || fabsf(cmd.Pitch) > 0.0f);

    if (!flagRollPitchHasInput) {
        // no movement desired, re-enter positionHold at current start-position
        if (assistedControlFlightMode == FLIGHTSTATUS_ASSISTEDCONTROLSTATE_PRIMARY) {
            // initiate braking and change assisted control flight mode to braking
            if (flightMode == FLIGHTSTATUS_FLIGHTMODE_LAND) {
                // avoid brake then hold sequence to continue descent.
                plan_setup_land_from_velocityroam();
            } else {
                plan_setup_assistedcontrol();
            }
        }
        // otherwise nothing to do in braking/hold modes
    } else {
        PositionStateData positionState;
        PositionStateGet(&positionState);

        // Revert assist control state to primary, which in this case implies
        // we are in roaming state (a GPS vector assisted velocity roam)
        assistedControlFlightMode = FLIGHTSTATUS_ASSISTEDCONTROLSTATE_PRIMARY;

        // Calculate desired velocity in each direction
        float angle;
        AttitudeStateYawGet(&angle);
        angle = DEG2RAD(angle);
        float cos_angle  = cosf(angle);
        float sine_angle = sinf(angle);
        float rotated[2] = {
            -cmd.Pitch * cos_angle - cmd.Roll * sine_angle,
            -cmd.Pitch * sine_angle + cmd.Roll * cos_angle
        };
        // flip pitch to have pitch down (away) point north
        float horizontalVelMax;
        float verticalVelMax;
        VtolPathFollowerSettingsHorizontalVelMaxGet(&horizontalVelMax);
        VtolPathFollowerSettingsVerticalVelMaxGet(&verticalVelMax);
        float velocity_north = rotated[0] * horizontalVelMax;
        float velocity_east  = rotated[1] * horizontalVelMax;
        float velocity_down  = 0.0f;

        if (flightMode == FLIGHTSTATUS_FLIGHTMODE_LAND) {
            FlightModeSettingsLandingVelocityGet(&velocity_down);
        }

        float velocity = velocity_north * velocity_north + velocity_east * velocity_east;
        velocity = sqrtf(velocity);

        // if one stick input (pitch or roll) should we use fly by vector? set arbitrary distance of say 20m after which we
        // expect new stick input
        // if two stick input pilot is fighting wind manually and we use fly by velocity
        // in reality setting velocity desired to zero will fight wind anyway.

        pathDesired.Start.North = positionState.North;
        pathDesired.Start.East  = positionState.East;
        pathDesired.Start.Down  = positionState.Down;
        pathDesired.ModeParameters[PATHDESIRED_MODEPARAMETER_VELOCITY_VELOCITYVECTOR_NORTH] = velocity_north;
        pathDesired.ModeParameters[PATHDESIRED_MODEPARAMETER_VELOCITY_VELOCITYVECTOR_EAST]  = velocity_east;
        pathDesired.ModeParameters[PATHDESIRED_MODEPARAMETER_VELOCITY_VELOCITYVECTOR_DOWN]  = velocity_down;

        pathDesired.End.North = positionState.North;
        pathDesired.End.East  = positionState.East;
        pathDesired.End.Down  = positionState.Down;

        pathDesired.StartingVelocity = velocity;
        pathDesired.EndingVelocity   = velocity;
        pathDesired.Mode = PATHDESIRED_MODE_VELOCITY;
        if (flightMode == FLIGHTSTATUS_FLIGHTMODE_LAND) {
            pathDesired.Mode = PATHDESIRED_MODE_LAND;
            pathDesired.ModeParameters[PATHDESIRED_MODEPARAMETER_LAND_OPTIONS] = (float)PATHDESIRED_MODEPARAMETER_LAND_OPTION_NONE;
        } else {
            pathDesired.ModeParameters[PATHDESIRED_MODEPARAMETER_VELOCITY_UNUSED] = 0.0f;
        }
        PathDesiredSet(&pathDesired);
        FlightStatusAssistedControlStateSet(&assistedControlFlightMode);
    }
}
/**
 * @brief Handler to control Stabilized flightmodes. FlightControl is governed by "Stabilization"
 * @input: ManualControlCommand
 * @output: StabilizationDesired
 */
void stabilizedHandler(bool newinit)
{
    if (newinit) {
        StabilizationDesiredInitialize();
        StabilizationBankInitialize();
    }
    ManualControlCommandData cmd;
    ManualControlCommandGet(&cmd);

    FlightModeSettingsData settings;
    FlightModeSettingsGet(&settings);

    StabilizationDesiredData stabilization;
    StabilizationDesiredGet(&stabilization);

    StabilizationBankData stabSettings;
    StabilizationBankGet(&stabSettings);

    cmd.Roll  = applyExpo(cmd.Roll, stabSettings.StickExpo.Roll);
    cmd.Pitch = applyExpo(cmd.Pitch, stabSettings.StickExpo.Pitch);
    cmd.Yaw   = applyExpo(cmd.Yaw, stabSettings.StickExpo.Yaw);
    uint8_t *stab_settings;
    FlightStatusData flightStatus;
    FlightStatusGet(&flightStatus);

    switch (flightStatus.FlightMode) {
    case FLIGHTSTATUS_FLIGHTMODE_STABILIZED1:
        stab_settings = FlightModeSettingsStabilization1SettingsToArray(settings.Stabilization1Settings);
        break;
    case FLIGHTSTATUS_FLIGHTMODE_STABILIZED2:
        stab_settings = FlightModeSettingsStabilization2SettingsToArray(settings.Stabilization2Settings);
        break;
    case FLIGHTSTATUS_FLIGHTMODE_STABILIZED3:
        stab_settings = FlightModeSettingsStabilization3SettingsToArray(settings.Stabilization3Settings);
        break;
    case FLIGHTSTATUS_FLIGHTMODE_STABILIZED4:
        stab_settings = FlightModeSettingsStabilization4SettingsToArray(settings.Stabilization4Settings);
        break;
    case FLIGHTSTATUS_FLIGHTMODE_STABILIZED5:
        stab_settings = FlightModeSettingsStabilization5SettingsToArray(settings.Stabilization5Settings);
        break;
    case FLIGHTSTATUS_FLIGHTMODE_STABILIZED6:
        stab_settings = FlightModeSettingsStabilization6SettingsToArray(settings.Stabilization6Settings);
        break;
    default:
        // Major error, this should not occur because only enter this block when one of these is true
        AlarmsSet(SYSTEMALARMS_ALARM_MANUALCONTROL, SYSTEMALARMS_ALARM_CRITICAL);
        stab_settings = FlightModeSettingsStabilization1SettingsToArray(settings.Stabilization1Settings);
        return;
    }

    stabilization.Roll =
        (stab_settings[0] == STABILIZATIONDESIRED_STABILIZATIONMODE_MANUAL) ? cmd.Roll :
        (stab_settings[0] == STABILIZATIONDESIRED_STABILIZATIONMODE_RATE) ? cmd.Roll * stabSettings.ManualRate.Roll :
        (stab_settings[0] == STABILIZATIONDESIRED_STABILIZATIONMODE_WEAKLEVELING) ? cmd.Roll * stabSettings.RollMax :
        (stab_settings[0] == STABILIZATIONDESIRED_STABILIZATIONMODE_ATTITUDE) ? cmd.Roll * stabSettings.RollMax :
        (stab_settings[0] == STABILIZATIONDESIRED_STABILIZATIONMODE_AXISLOCK) ? cmd.Roll * stabSettings.ManualRate.Roll :
        (stab_settings[0] == STABILIZATIONDESIRED_STABILIZATIONMODE_VIRTUALBAR) ? cmd.Roll :
        (stab_settings[0] == STABILIZATIONDESIRED_STABILIZATIONMODE_ACRO) ? cmd.Roll * stabSettings.ManualRate.Roll :
        (stab_settings[0] == STABILIZATIONDESIRED_STABILIZATIONMODE_RATTITUDE) ? cmd.Roll * stabSettings.RollMax :
        0; // this is an invalid mode

    stabilization.Pitch =
        (stab_settings[1] == STABILIZATIONDESIRED_STABILIZATIONMODE_MANUAL) ? cmd.Pitch :
        (stab_settings[1] == STABILIZATIONDESIRED_STABILIZATIONMODE_RATE) ? cmd.Pitch * stabSettings.ManualRate.Pitch :
        (stab_settings[1] == STABILIZATIONDESIRED_STABILIZATIONMODE_WEAKLEVELING) ? cmd.Pitch * stabSettings.PitchMax :
        (stab_settings[1] == STABILIZATIONDESIRED_STABILIZATIONMODE_ATTITUDE) ? cmd.Pitch * stabSettings.PitchMax :
        (stab_settings[1] == STABILIZATIONDESIRED_STABILIZATIONMODE_AXISLOCK) ? cmd.Pitch * stabSettings.ManualRate.Pitch :
        (stab_settings[1] == STABILIZATIONDESIRED_STABILIZATIONMODE_VIRTUALBAR) ? cmd.Pitch :
        (stab_settings[1] == STABILIZATIONDESIRED_STABILIZATIONMODE_ACRO) ? cmd.Pitch * stabSettings.ManualRate.Pitch :
        (stab_settings[1] == STABILIZATIONDESIRED_STABILIZATIONMODE_RATTITUDE) ? cmd.Pitch * stabSettings.PitchMax :
        0; // this is an invalid mode

    // TOOD: Add assumption about order of stabilization desired and manual control stabilization mode fields having same order
    stabilization.StabilizationMode.Roll  = stab_settings[0];
    stabilization.StabilizationMode.Pitch = stab_settings[1];
    // Other axes (yaw) cannot be Rattitude, so use Rate
    // Should really do this for Attitude mode as well?
    if (stab_settings[2] == STABILIZATIONDESIRED_STABILIZATIONMODE_RATTITUDE) {
        stabilization.StabilizationMode.Yaw = STABILIZATIONDESIRED_STABILIZATIONMODE_RATE;
        stabilization.Yaw = cmd.Yaw * stabSettings.ManualRate.Yaw;
    } else {
        stabilization.StabilizationMode.Yaw = stab_settings[2];
        stabilization.Yaw =
            (stab_settings[2] == STABILIZATIONDESIRED_STABILIZATIONMODE_MANUAL) ? cmd.Yaw :
            (stab_settings[2] == STABILIZATIONDESIRED_STABILIZATIONMODE_RATE) ? cmd.Yaw * stabSettings.ManualRate.Yaw :
            (stab_settings[2] == STABILIZATIONDESIRED_STABILIZATIONMODE_WEAKLEVELING) ? cmd.Yaw * stabSettings.YawMax :
            (stab_settings[2] == STABILIZATIONDESIRED_STABILIZATIONMODE_ATTITUDE) ? cmd.Yaw * stabSettings.YawMax :
            (stab_settings[2] == STABILIZATIONDESIRED_STABILIZATIONMODE_AXISLOCK) ? cmd.Yaw * stabSettings.ManualRate.Yaw :
            (stab_settings[2] == STABILIZATIONDESIRED_STABILIZATIONMODE_VIRTUALBAR) ? cmd.Yaw :
            (stab_settings[2] == STABILIZATIONDESIRED_STABILIZATIONMODE_ACRO) ? cmd.Yaw * stabSettings.ManualRate.Yaw :
            (stab_settings[2] == STABILIZATIONDESIRED_STABILIZATIONMODE_RATTITUDE) ? cmd.Yaw * stabSettings.YawMax :
            0; // this is an invalid mode
    }

    stabilization.StabilizationMode.Thrust = stab_settings[3];
    stabilization.Thrust = cmd.Thrust;
    StabilizationDesiredSet(&stabilization);
}