Exemplo n.º 1
0
void gyroUpdate(void)
{
	int16_t gyroADCRaw[XYZ_AXIS_COUNT];
	int axis;

    // range: +/- 8192; +/- 2000 deg/sec
    if (!gyro.read(gyroADCRaw)) {
        return;
    }

    for (axis = 0; axis < XYZ_AXIS_COUNT; axis++) {
        if (debugMode == DEBUG_GYRO) debug[axis] = gyroADC[axis];
        gyroADC[axis] = gyroADCRaw[axis];
    }

    alignSensors(gyroADC, gyroADC, gyroAlign);

    if (gyroLpfCutFreq) {
        if (!gyroFilterStateIsSet) initGyroFilterCoefficients(); /* initialise filter coefficients */

        if (gyroFilterStateIsSet) {
            for (axis = 0; axis < XYZ_AXIS_COUNT; axis++) gyroADC[axis] = lrintf(applyBiQuadFilter((float) gyroADC[axis], &gyroFilterState[axis]));
        }
    }

    if (!isGyroCalibrationComplete()) {
        performAcclerationCalibration(gyroConfig->gyroMovementCalibrationThreshold);
    }

    applyGyroZero();
}
Exemplo n.º 2
0
void gyroSample(void)
{
    uint8_t i;
    gyro.read(sensorData.gyro);

    for(i = 0; i < 3; ++i)
        sensorData.gyroAccum[i] += sensorData.gyro[i] - sensorParams.gyroRTBias[i];

    sensorData.gyroSamples++;
}
Exemplo n.º 3
0
void gyroGetADC(void)
{
    // FIXME When gyro.read() fails due to i2c or other error gyroZero is continually re-applied to gyroADC resulting in a old reading that gets worse over time.

    // range: +/- 8192; +/- 2000 deg/sec
    gyro.read(gyroADC);
    alignSensors(gyroADC, gyroADC, gyroAlign);

    if (!isGyroCalibrationComplete()) {
        performAcclerationCalibration(gyroConfig->gyroMovementCalibrationThreshold);
    }

    applyGyroZero();
}
Exemplo n.º 4
0
void gyroUpdate(void)
{
    int16_t gyroADCRaw[XYZ_AXIS_COUNT];

    // range: +/- 8192; +/- 2000 deg/sec
    if (!gyro.read(gyroADCRaw)) {
        return;
    }

    for (int axis = 0; axis < XYZ_AXIS_COUNT; axis++) {
        gyroADC[axis] = gyroADCRaw[axis];
    }

    alignSensors(gyroADC, gyroADC, gyroAlign);

    if (!isGyroCalibrationComplete()) {
        performGyroCalibration(gyroConfig->gyroMovementCalibrationThreshold);
    }

    applyGyroZero();

    if (gyroSoftLpfHz) {
        for (int axis = 0; axis < XYZ_AXIS_COUNT; axis++) {

            if (debugMode == DEBUG_GYRO)
                debug[axis] = gyroADC[axis];

            if (gyroSoftLpfType == FILTER_BIQUAD)
                gyroADCf[axis] = biquadFilterApply(&gyroFilterLPF[axis], (float) gyroADC[axis]);
            else if (gyroSoftLpfType == FILTER_PT1)
                gyroADCf[axis] = pt1FilterApply4(&gyroFilterPt1[axis], (float) gyroADC[axis], gyroSoftLpfHz, gyroDt);
            else
                gyroADCf[axis] = firFilterDenoiseUpdate(&gyroDenoiseState[axis], (float) gyroADC[axis]);

            if (debugMode == DEBUG_NOTCH)
                debug[axis] = lrintf(gyroADCf[axis]);

            if (gyroSoftNotchHz1)
                gyroADCf[axis] = biquadFilterApply(&gyroFilterNotch_1[axis], gyroADCf[axis]);

            if (gyroSoftNotchHz2)
                gyroADCf[axis] = biquadFilterApply(&gyroFilterNotch_2[axis], gyroADCf[axis]);

            gyroADC[axis] = lrintf(gyroADCf[axis]);
        }
    } else {
        for (int axis = 0; axis < XYZ_AXIS_COUNT; axis++)
            gyroADCf[axis] = gyroADC[axis];
    }
}
Exemplo n.º 5
0
void gyroUpdate(void)
{
    // range: +/- 8192; +/- 2000 deg/sec
    if (!gyro.read(gyroADCRaw)) {
        return;
    }

    gyroADC[X] = gyroADCRaw[X];
    gyroADC[Y] = gyroADCRaw[Y];
    gyroADC[Z] = gyroADCRaw[Z];

    alignSensors(gyroADC, gyroADC, gyroAlign);

    if (!isGyroCalibrationComplete()) {
        performAcclerationCalibration(gyroConfig()->gyroMovementCalibrationThreshold);
    }

    gyroADC[X] -= gyroZero[X];
    gyroADC[Y] -= gyroZero[Y];
    gyroADC[Z] -= gyroZero[Z];

    if (gyroConfig()->gyro_soft_lpf_hz) {
        for (int axis = 0; axis < XYZ_AXIS_COUNT; axis++) {

            if (debugMode == DEBUG_GYRO)
                debug[axis] = gyroADC[axis];

            if (gyroConfig()->gyro_soft_type == FILTER_BIQUAD)
                gyroADCf[axis] = biquadFilterApply(&gyroFilterLPF[axis], (float) gyroADC[axis]);
            else
                gyroADCf[axis] = pt1FilterApply(&gyroFilterPt1[axis], (float) gyroADC[axis]);

            if (debugMode == DEBUG_NOTCH)
                debug[axis] = lrintf(gyroADCf[axis]);

            if (gyroConfig()->gyro_soft_notch_hz)
                gyroADCf[axis] = biquadFilterApply(&gyroFilterNotch[axis], gyroADCf[axis]);

            gyroADC[axis] = lrintf(gyroADCf[axis]);
        }
    } else {
        for (int axis = 0; axis < XYZ_AXIS_COUNT; axis++) {
            gyroADCf[axis] = gyroADC[axis];
        }
    }
}
Exemplo n.º 6
0
void gyroUpdate(void)
{
    int8_t axis;

    // range: +/- 8192; +/- 2000 deg/sec
    if (!gyro.read(gyroADCRaw)) {
        return;
    }

    // Prepare a copy of int32_t gyroADC for mangling to prevent overflow
    for (axis = 0; axis < XYZ_AXIS_COUNT; axis++) gyroADC[axis] = gyroADCRaw[axis];

    if (gyroLpfCutHz) {
        if (!gyroFilterInitialised) {
            if (targetLooptime) {  /* Initialisation needs to happen once sample rate is known */
                for (axis = 0; axis < 3; axis++) {
                    filterInitBiQuad(gyroLpfCutHz, &gyroFilterState[axis], 0);
                }

                gyroFilterInitialised = true;
            }
        }

        if (gyroFilterInitialised) {
            for (axis = 0; axis < XYZ_AXIS_COUNT; axis++) {
                gyroADC[axis] = lrintf(filterApplyBiQuad((float) gyroADC[axis], &gyroFilterState[axis]));
            }
        }
    }

    alignSensors(gyroADC, gyroADC, gyroAlign);

    if (!isGyroCalibrationComplete()) {
        performAcclerationCalibration(gyroConfig->gyroMovementCalibrationThreshold);
    }

    applyGyroZero();
}
Exemplo n.º 7
0
void gyroUpdate(void)
{
    // range: +/- 8192; +/- 2000 deg/sec
    if (!gyro.read(gyroADC)) {
        return;
    }

    alignSensors(gyroADC, gyroADC, gyroAlign);

    if (gyroLpfCutFreq) {
        if (!gyroFilterStateIsSet) {
            initGyroFilterCoefficients();
        } else {
        	for (axis = 0; axis < XYZ_AXIS_COUNT; axis++) gyroADC[axis] = lrintf(applyBiQuadFilter((float) gyroADC[axis], &gyroBiQuadState[axis]));
        }
    }

    if (!isGyroCalibrationComplete()) {
        performAcclerationCalibration(gyroConfig->gyroMovementCalibrationThreshold);
    }

    applyGyroZero();
}