Example #1
0
// Function for loop trigger
void taskMainPidLoopCheck(void)
{
    static bool runTaskMainSubprocesses;
    static uint8_t pidUpdateCountdown;

    cycleTime = getTaskDeltaTime(TASK_SELF);

    if (debugMode == DEBUG_CYCLETIME) {
        debug[0] = cycleTime;
        debug[1] = averageSystemLoadPercent;
    }

    if (runTaskMainSubprocesses) {
        subTaskMainSubprocesses();
        runTaskMainSubprocesses = false;
    }

    gyroUpdate();

    if (pidUpdateCountdown) {
        pidUpdateCountdown--;
    } else {
        pidUpdateCountdown = setPidUpdateCountDown();
        subTaskPidController();
        subTaskMotorUpdate();
        runTaskMainSubprocesses = true;
    }
}
Example #2
0
void filterRc(void){
    static int16_t lastCommand[4] = { 0, 0, 0, 0 };
    static int16_t deltaRC[4] = { 0, 0, 0, 0 };
    static int16_t factor, rcInterpolationFactor;
    uint16_t rxRefreshRate;

    // Set RC refresh rate for sampling and channels to filter
    rxRefreshRate = rxGetRefreshRate();

    if (isRXDataNew) {

        rxRefreshRate = constrain(getTaskDeltaTime(TASK_RX), 1000, 20000) + 1000; // Add slight overhead to prevent ramps

        rcInterpolationFactor = rxRefreshRate / targetPidLooptime + 1;

        for (int channel=0; channel < 4; channel++) {
            deltaRC[channel] = rcCommand[channel] -  (lastCommand[channel] - deltaRC[channel] * factor / rcInterpolationFactor);
            lastCommand[channel] = rcCommand[channel];
        }

        isRXDataNew = false;
        factor = rcInterpolationFactor - 1;
    } else {
        factor--;
    }

    // Interpolate steps of rcCommand
    if (factor > 0) {
        for (int channel=0; channel < 4; channel++) {
            rcCommand[channel] = lastCommand[channel] - deltaRC[channel] * factor/rcInterpolationFactor;
         }
    } else {
        factor = 0;
    }
}
Example #3
0
// Function for loop trigger
FAST_CODE void taskMainPidLoop(timeUs_t currentTimeUs)
{
    static uint32_t pidUpdateCounter = 0;

#if defined(SIMULATOR_BUILD) && defined(SIMULATOR_GYROPID_SYNC)
    if (lockMainPID() != 0) return;
#endif

    // DEBUG_PIDLOOP, timings for:
    // 0 - gyroUpdate()
    // 1 - subTaskPidController()
    // 2 - subTaskMotorUpdate()
    // 3 - subTaskPidSubprocesses()
    gyroUpdate(currentTimeUs);
    DEBUG_SET(DEBUG_PIDLOOP, 0, micros() - currentTimeUs);

    if (pidUpdateCounter++ % pidConfig()->pid_process_denom == 0) {
        subTaskRcCommand(currentTimeUs);
        subTaskPidController(currentTimeUs);
        subTaskMotorUpdate(currentTimeUs);
        subTaskPidSubprocesses(currentTimeUs);
    }

    if (debugMode == DEBUG_CYCLETIME) {
        debug[0] = getTaskDeltaTime(TASK_SELF);
        debug[1] = averageSystemLoadPercent;
    }
}
Example #4
0
// Function for loop trigger
void taskMainPidLoopChecker(void) {
    // getTaskDeltaTime() returns delta time freezed at the moment of entering the scheduler. currentTime is freezed at the very same point.
    // To make busy-waiting timeout work we need to account for time spent within busy-waiting loop
    uint32_t currentDeltaTime = getTaskDeltaTime(TASK_SELF);

    if (masterConfig.gyroSync) {
        while (1) {
            if (gyroSyncCheckUpdate() || ((currentDeltaTime + (micros() - currentTime)) >= (gyro.targetLooptime + GYRO_WATCHDOG_DELAY))) {
                break;
            }
        }
    }

    taskMainPidLoop();
}
Example #5
0
void taskGyro(void)
{
    gyroUpdate();
    gyroUpdateAt += US_FROM_HZ(gyro.sampleFrequencyHz);
    gyroReadyCounter++;

    gyroDeltaUs = getTaskDeltaTime(TASK_SELF);

    if (debugMode == DEBUG_CYCLETIME) {
        debug[0] = gyroDeltaUs;
        debug[1] = averageSystemLoadPercent;
    }

    if (debugMode == DEBUG_GYRO_SYNC) {
        debug[0] = gyroDeltaUs;
    }
}
Example #6
0
// Function for loop trigger
void taskMainPidLoop(timeUs_t currentTimeUs)
{
    static bool runTaskMainSubprocesses;
    static uint8_t pidUpdateCountdown;

#if defined(SIMULATOR_BUILD) && defined(SIMULATOR_GYROPID_SYNC)
    if(lockMainPID() != 0) return;
#endif

    if (debugMode == DEBUG_CYCLETIME) {
        debug[0] = getTaskDeltaTime(TASK_SELF);
        debug[1] = averageSystemLoadPercent;
    }

    if (runTaskMainSubprocesses) {
        subTaskMainSubprocesses(currentTimeUs);
        runTaskMainSubprocesses = false;
    }

    // DEBUG_PIDLOOP, timings for:
    // 0 - gyroUpdate()
    // 1 - pidController()
    // 2 - subTaskMainSubprocesses()
    // 3 - subTaskMotorUpdate()
    uint32_t startTime = 0;
    if (debugMode == DEBUG_PIDLOOP) {startTime = micros();}
    gyroUpdate();
    DEBUG_SET(DEBUG_PIDLOOP, 0, micros() - startTime);

    if (pidUpdateCountdown) {
        pidUpdateCountdown--;
    } else {
        pidUpdateCountdown = setPidUpdateCountDown();
        subTaskPidController(currentTimeUs);
        subTaskMotorUpdate();
        runTaskMainSubprocesses = true;
    }
}
Example #7
0
void taskUpdateCycleTime(void)
{
    cycleTime = getTaskDeltaTime(TASK_SELF);
}
Example #8
0
void processRcCommand(void)
{
    static int16_t lastCommand[4] = { 0, 0, 0, 0 };
    static int16_t deltaRC[4] = { 0, 0, 0, 0 };
    static int16_t factor, rcInterpolationFactor;
    uint16_t rxRefreshRate;
    bool readyToCalculateRate = false;

    if (masterConfig.rxConfig.rcInterpolation || flightModeFlags) {
        if (isRXDataNew) {
            // Set RC refresh rate for sampling and channels to filter
            switch (masterConfig.rxConfig.rcInterpolation) {
                case(RC_SMOOTHING_AUTO):
                    rxRefreshRate = constrain(getTaskDeltaTime(TASK_RX), 1000, 20000) + 1000; // Add slight overhead to prevent ramps
                    break;
                case(RC_SMOOTHING_MANUAL):
                    rxRefreshRate = 1000 * masterConfig.rxConfig.rcInterpolationInterval;
                    break;
                case(RC_SMOOTHING_OFF):
                case(RC_SMOOTHING_DEFAULT):
                default:
                    initRxRefreshRate(&rxRefreshRate);
            }

            rcInterpolationFactor = rxRefreshRate / targetPidLooptime + 1;

            if (debugMode == DEBUG_RC_INTERPOLATION) {
                for (int axis = 0; axis < 2; axis++) debug[axis] = rcCommand[axis];
                debug[3] = rxRefreshRate;
            }

            for (int channel=0; channel < 4; channel++) {
                deltaRC[channel] = rcCommand[channel] -  (lastCommand[channel] - deltaRC[channel] * factor / rcInterpolationFactor);
                lastCommand[channel] = rcCommand[channel];
            }

            factor = rcInterpolationFactor - 1;
        } else {
            factor--;
        }

        // Interpolate steps of rcCommand
        if (factor > 0) {
            for (int channel=0; channel < 4; channel++) rcCommand[channel] = lastCommand[channel] - deltaRC[channel] * factor/rcInterpolationFactor;
        } else {
            factor = 0;
        }

        readyToCalculateRate = true;
    } else {
        factor = 0; // reset factor in case of level modes flip flopping
    }

    if (readyToCalculateRate || isRXDataNew) {
        // Scaling of AngleRate to camera angle (Mixing Roll and Yaw)
        if (masterConfig.rxConfig.fpvCamAngleDegrees && IS_RC_MODE_ACTIVE(BOXFPVANGLEMIX) && !FLIGHT_MODE(HEADFREE_MODE))
            scaleRcCommandToFpvCamAngle();

        for (int axis = 0; axis < 3; axis++) calculateSetpointRate(axis, rcCommand[axis]);

        isRXDataNew = false;
    }
}
Example #9
0
void taskMainPidLoop(void)
{
    cycleTime = getTaskDeltaTime(TASK_SELF);
    dT = (float)cycleTime * 0.000001f;

    imuUpdateAccelerometer();
    imuUpdateGyroAndAttitude();

    annexCode();

    if (masterConfig.rxConfig.rcSmoothing) {
        filterRc(isRXDataNew);
    }

#if defined(NAV)
    if (isRXDataNew) {
        updateWaypointsAndNavigationMode();
    }
#endif

    isRXDataNew = false;

#if defined(NAV)
    updatePositionEstimator();
    applyWaypointNavigationAndAltitudeHold();
#endif

    // If we're armed, at minimum throttle, and we do arming via the
    // sticks, do not process yaw input from the rx.  We do this so the
    // motors do not spin up while we are trying to arm or disarm.
    // Allow yaw control for tricopters if the user wants the servo to move even when unarmed.
    if (isUsingSticksForArming() && rcData[THROTTLE] <= masterConfig.rxConfig.mincheck
#ifndef USE_QUAD_MIXER_ONLY
#ifdef USE_SERVOS
            && !((masterConfig.mixerMode == MIXER_TRI || masterConfig.mixerMode == MIXER_CUSTOM_TRI) && masterConfig.servoMixerConfig.tri_unarmed_servo)
#endif
            && masterConfig.mixerMode != MIXER_AIRPLANE
            && masterConfig.mixerMode != MIXER_FLYING_WING
            && masterConfig.mixerMode != MIXER_CUSTOM_AIRPLANE
#endif
    ) {
        rcCommand[YAW] = 0;
    }

    // Apply throttle tilt compensation
    if (!STATE(FIXED_WING)) {
        int16_t thrTiltCompStrength = 0;

        if (navigationRequiresThrottleTiltCompensation()) {
            thrTiltCompStrength = 100;
        }
        else if (currentProfile->throttle_tilt_compensation_strength && (FLIGHT_MODE(ANGLE_MODE) || FLIGHT_MODE(HORIZON_MODE))) {
            thrTiltCompStrength = currentProfile->throttle_tilt_compensation_strength;
        }

        if (thrTiltCompStrength) {
            rcCommand[THROTTLE] = constrain(masterConfig.motorConfig.minthrottle
                                            + (rcCommand[THROTTLE] - masterConfig.motorConfig.minthrottle) * calculateThrottleTiltCompensationFactor(thrTiltCompStrength),
                                            masterConfig.motorConfig.minthrottle,
                                            masterConfig.motorConfig.maxthrottle);
        }
    }

    pidController(&currentProfile->pidProfile, currentControlRateProfile, &masterConfig.rxConfig);

#ifdef HIL
    if (hilActive) {
        hilUpdateControlState();
        motorControlEnable = false;
    }
#endif

    mixTable();

#ifdef USE_SERVOS

    if (isMixerUsingServos()) {
        servoMixer(currentProfile->flaperon_throw_offset, currentProfile->flaperon_throw_inverted);
    }

    if (feature(FEATURE_SERVO_TILT)) {
        processServoTilt();
    }

    //Servos should be filtered or written only when mixer is using servos or special feaures are enabled
    if (isServoOutputEnabled()) {
        filterServos();
        writeServos();
    }
#endif

    if (motorControlEnable) {
        writeMotors();
    }

#ifdef USE_SDCARD
        afatfs_poll();
#endif

#ifdef BLACKBOX
    if (!cliMode && feature(FEATURE_BLACKBOX)) {
        handleBlackbox();
    }
#endif

}
Example #10
0
void taskMainPidLoop(void)
{
    cycleTime = getTaskDeltaTime(TASK_SELF);
    dT = (float)cycleTime * 0.000001f;

    // Calculate average cycle time and average jitter
    filteredCycleTime = filterApplyPt1(cycleTime, &filteredCycleTimeState, 1, dT);
    
    debug[0] = cycleTime;
    debug[1] = cycleTime - filteredCycleTime;

    imuUpdateGyroAndAttitude();

    annexCode();

    if (rxConfig()->rcSmoothing) {
        filterRc();
    }

#if defined(BARO) || defined(SONAR)
    haveProcessedAnnexCodeOnce = true;
#endif

#ifdef MAG
        if (sensors(SENSOR_MAG)) {
            updateMagHold();
        }
#endif

#if defined(BARO) || defined(SONAR)
        if (sensors(SENSOR_BARO) || sensors(SENSOR_SONAR)) {
            if (FLIGHT_MODE(BARO_MODE) || FLIGHT_MODE(SONAR_MODE)) {
                applyAltHold();
            }
        }
#endif

    // If we're armed, at minimum throttle, and we do arming via the
    // sticks, do not process yaw input from the rx.  We do this so the
    // motors do not spin up while we are trying to arm or disarm.
    // Allow yaw control for tricopters if the user wants the servo to move even when unarmed.
    if (isUsingSticksForArming() && rcData[THROTTLE] <= rxConfig()->mincheck
#ifndef USE_QUAD_MIXER_ONLY
#ifdef USE_SERVOS
                && !((mixerConfig()->mixerMode == MIXER_TRI || mixerConfig()->mixerMode == MIXER_CUSTOM_TRI) && mixerConfig()->tri_unarmed_servo)
#endif
                && mixerConfig()->mixerMode != MIXER_AIRPLANE
                && mixerConfig()->mixerMode != MIXER_FLYING_WING
#endif
    ) {
        rcCommand[YAW] = 0;
    }

    if (throttleCorrectionConfig()->throttle_correction_value && (FLIGHT_MODE(ANGLE_MODE) || FLIGHT_MODE(HORIZON_MODE))) {
        rcCommand[THROTTLE] += calculateThrottleAngleCorrection(throttleCorrectionConfig()->throttle_correction_value);
    }

#ifdef GPS
    if (sensors(SENSOR_GPS)) {
        if ((FLIGHT_MODE(GPS_HOME_MODE) || FLIGHT_MODE(GPS_HOLD_MODE)) && STATE(GPS_FIX_HOME)) {
            updateGpsStateForHomeAndHoldMode();
        }
    }
#endif

    // PID - note this is function pointer set by setPIDController()
    pid_controller(
        pidProfile(),
        currentControlRateProfile,
        imuConfig()->max_angle_inclination,
        &accelerometerConfig()->accelerometerTrims,
        rxConfig()
    );

    mixTable();

#ifdef USE_SERVOS
    filterServos();
    writeServos();
#endif

    if (motorControlEnable) {
        writeMotors();
    }

#ifdef USE_SDCARD
        afatfs_poll();
#endif

#ifdef BLACKBOX
    if (!cliMode && feature(FEATURE_BLACKBOX)) {
        handleBlackbox();
    }
#endif
}
Example #11
0
void processRcStickPositions(throttleStatus_e throttleStatus)
{
    // time the sticks are maintained
    static int16_t rcDelayMs;
    // hold sticks position for command combos
    static uint8_t rcSticks;
    // an extra guard for disarming through switch to prevent that one frame can disarm it
    static uint8_t rcDisarmTicks;
    static bool doNotRepeat;

#ifdef USE_CMS
    if (cmsInMenu) {
        return;
    }
#endif

    // checking sticks positions
    uint8_t stTmp = 0;
    for (int i = 0; i < 4; i++) {
        stTmp >>= 2;
        if (rcData[i] > rxConfig()->mincheck) {
            stTmp |= 0x80;  // check for MIN
        }
        if (rcData[i] < rxConfig()->maxcheck) {
            stTmp |= 0x40;  // check for MAX
        }
    }
    if (stTmp == rcSticks) {
        if (rcDelayMs <= INT16_MAX - (getTaskDeltaTime(TASK_SELF) / 1000)) {
            rcDelayMs += getTaskDeltaTime(TASK_SELF) / 1000;
        }
    } else {
        rcDelayMs = 0;
        doNotRepeat = false;
    }
    rcSticks = stTmp;

    // perform actions
    if (!isUsingSticksToArm) {
        if (IS_RC_MODE_ACTIVE(BOXARM)) {
            rcDisarmTicks = 0;
            // Arming via ARM BOX
            tryArm();
        } else {
            // Disarming via ARM BOX
            resetArmingDisabled();
            if (ARMING_FLAG(ARMED) && rxIsReceivingSignal() && !failsafeIsActive()  ) {
                rcDisarmTicks++;
                if (rcDisarmTicks > 3) {
                    if (armingConfig()->disarm_kill_switch) {
                        disarm();
                    } else if (throttleStatus == THROTTLE_LOW) {
                        disarm();
                    }
                }
            }
        }
    } else if (rcSticks == THR_LO + YAW_LO + PIT_CE + ROL_CE) {
        if (rcDelayMs >= ARM_DELAY_MS && !doNotRepeat) {
            doNotRepeat = true;
            // Disarm on throttle down + yaw
            if (ARMING_FLAG(ARMED))
                disarm();
            else {
                beeper(BEEPER_DISARM_REPEAT);     // sound tone while stick held
                repeatAfter(STICK_AUTOREPEAT_MS); // disarm tone will repeat
            }
        }
        return;
    } else if (rcSticks == THR_LO + YAW_HI + PIT_CE + ROL_CE) {
        if (rcDelayMs >= ARM_DELAY_MS && !doNotRepeat) {
            doNotRepeat = true;
            if (!ARMING_FLAG(ARMED)) {
                // Arm via YAW
                tryArm();
            } else {
                resetArmingDisabled();
            }
        }
        return;
    }

    if (ARMING_FLAG(ARMED) || doNotRepeat || rcDelayMs <= STICK_DELAY_MS) {
        return;
    }
    doNotRepeat = true;

    // actions during not armed

    if (rcSticks == THR_LO + YAW_LO + PIT_LO + ROL_CE) {
        // GYRO calibration
        gyroStartCalibration(false);

#ifdef USE_GPS
        if (feature(FEATURE_GPS)) {
            GPS_reset_home_position();
        }
#endif

#ifdef USE_BARO
        if (sensors(SENSOR_BARO))
            baroSetCalibrationCycles(10); // calibrate baro to new ground level (10 * 25 ms = ~250 ms non blocking)
#endif

        return;
    }

    if (feature(FEATURE_INFLIGHT_ACC_CAL) && (rcSticks == THR_LO + YAW_LO + PIT_HI + ROL_HI)) {
        // Inflight ACC Calibration
        handleInflightCalibrationStickPosition();
        return;
    }

    // Change PID profile
    int newPidProfile = 0;
    if (rcSticks == THR_LO + YAW_LO + PIT_CE + ROL_LO) {        // ROLL left  -> PID profile 1
        newPidProfile = 1;
    } else if (rcSticks == THR_LO + YAW_LO + PIT_HI + ROL_CE) { // PITCH up   -> PID profile 2
        newPidProfile = 2;
    } else if (rcSticks == THR_LO + YAW_LO + PIT_CE + ROL_HI) { // ROLL right -> PID profile 3
        newPidProfile = 3;
    }
    if (newPidProfile) {
        changePidProfile(newPidProfile - 1);
        return;
    }

    if (rcSticks == THR_LO + YAW_LO + PIT_LO + ROL_HI) {
        saveConfigAndNotify();
    }

    if (rcSticks == THR_HI + YAW_LO + PIT_LO + ROL_CE) {
        // Calibrating Acc
        accSetCalibrationCycles(CALIBRATING_ACC_CYCLES);
        return;
    }


    if (rcSticks == THR_HI + YAW_HI + PIT_LO + ROL_CE) {
        // Calibrating Mag
        ENABLE_STATE(CALIBRATE_MAG);
        return;
    }


    if (FLIGHT_MODE(ANGLE_MODE|HORIZON_MODE)) {
        // in ANGLE or HORIZON mode, so use sticks to apply accelerometer trims
        rollAndPitchTrims_t accelerometerTrimsDelta;
        memset(&accelerometerTrimsDelta, 0, sizeof(accelerometerTrimsDelta));

        bool shouldApplyRollAndPitchTrimDelta = false;
        if (rcSticks == THR_HI + YAW_CE + PIT_HI + ROL_CE) {
            accelerometerTrimsDelta.values.pitch = 2;
            shouldApplyRollAndPitchTrimDelta = true;
        } else if (rcSticks == THR_HI + YAW_CE + PIT_LO + ROL_CE) {
            accelerometerTrimsDelta.values.pitch = -2;
            shouldApplyRollAndPitchTrimDelta = true;
        } else if (rcSticks == THR_HI + YAW_CE + PIT_CE + ROL_HI) {
            accelerometerTrimsDelta.values.roll = 2;
            shouldApplyRollAndPitchTrimDelta = true;
        } else if (rcSticks == THR_HI + YAW_CE + PIT_CE + ROL_LO) {
            accelerometerTrimsDelta.values.roll = -2;
            shouldApplyRollAndPitchTrimDelta = true;
        }
        if (shouldApplyRollAndPitchTrimDelta) {
            applyAndSaveAccelerometerTrimsDelta(&accelerometerTrimsDelta);
            repeatAfter(STICK_AUTOREPEAT_MS);
            return;
        }
    } else {
        // in ACRO mode, so use sticks to change RATE profile
        switch (rcSticks) {
        case THR_HI + YAW_CE + PIT_HI + ROL_CE:
            changeControlRateProfile(0);
            return;
        case THR_HI + YAW_CE + PIT_LO + ROL_CE:
            changeControlRateProfile(1);
            return;
        case THR_HI + YAW_CE + PIT_CE + ROL_HI:
            changeControlRateProfile(2);
            return;
        case THR_HI + YAW_CE + PIT_CE + ROL_LO:
            changeControlRateProfile(3);
            return;
        }
    }

#ifdef USE_DASHBOARD
    if (rcSticks == THR_LO + YAW_CE + PIT_HI + ROL_LO) {
        dashboardDisablePageCycling();
    }

    if (rcSticks == THR_LO + YAW_CE + PIT_HI + ROL_HI) {
        dashboardEnablePageCycling();
    }
#endif

#ifdef USE_VTX_CONTROL
    if (rcSticks ==  THR_HI + YAW_LO + PIT_CE + ROL_HI) {
        vtxIncrementBand();
    }
    if (rcSticks ==  THR_HI + YAW_LO + PIT_CE + ROL_LO) {
        vtxDecrementBand();
    }
    if (rcSticks ==  THR_HI + YAW_HI + PIT_CE + ROL_HI) {
        vtxIncrementChannel();
    }
    if (rcSticks ==  THR_HI + YAW_HI + PIT_CE + ROL_LO) {
        vtxDecrementChannel();
    }
#endif

#ifdef USE_CAMERA_CONTROL
    if (rcSticks == THR_CE + YAW_HI + PIT_CE + ROL_CE) {
        cameraControlKeyPress(CAMERA_CONTROL_KEY_ENTER, 0);
        repeatAfter(3 * STICK_DELAY_MS);
    } else if (rcSticks == THR_CE + YAW_CE + PIT_CE + ROL_LO) {
        cameraControlKeyPress(CAMERA_CONTROL_KEY_LEFT, 0);
        repeatAfter(3 * STICK_DELAY_MS);
    } else if (rcSticks == THR_CE + YAW_CE + PIT_HI + ROL_CE) {
        cameraControlKeyPress(CAMERA_CONTROL_KEY_UP, 0);
        repeatAfter(3 * STICK_DELAY_MS);
    } else if (rcSticks == THR_CE + YAW_CE + PIT_CE + ROL_HI) {
        cameraControlKeyPress(CAMERA_CONTROL_KEY_RIGHT, 0);
        repeatAfter(3 * STICK_DELAY_MS);
    } else if (rcSticks == THR_CE + YAW_CE + PIT_LO + ROL_CE) {
        cameraControlKeyPress(CAMERA_CONTROL_KEY_DOWN, 0);
        repeatAfter(3 * STICK_DELAY_MS);
    } else if (rcSticks == THR_LO + YAW_CE + PIT_HI + ROL_CE) {
        cameraControlKeyPress(CAMERA_CONTROL_KEY_UP, 2000);
    }
#endif
}