HRESULT readingChanged(IAccelerometer *, IAccelerometerReadingChangedEventArgs *args)
{
ComPtr<IAccelerometerReading> value;
HRESULT hr = args->get_Reading(&value);
if (FAILED(hr)) {
qCWarning(lcWinRtSensors) << "Failed to get accelerometer reading" << qt_error_string(hr);
return hr;
}
DOUBLE x;
hr = value->get_AccelerationX(&x);
if (FAILED(hr))
qCWarning(lcWinRtSensors) << "Failed to get acceleration X" << qt_error_string(hr);
DOUBLE y;
hr = value->get_AccelerationY(&y);
if (FAILED(hr))
qCWarning(lcWinRtSensors) << "Failed to get acceleration Y" << qt_error_string(hr);
DOUBLE z;
hr = value->get_AccelerationZ(&z);
if (FAILED(hr))
qCWarning(lcWinRtSensors) << "Failed to get acceleration Z" << qt_error_string(hr);
DateTime dateTime;
hr = value->get_Timestamp(&dateTime);
if (FAILED(hr))
qCWarning(lcWinRtSensors) << "Failed to get acceleration timestamp" << qt_error_string(hr);
// The reading is in G force, so convert to m/s/s
reading.setX(x * GRAVITY_EARTH_MS2);
reading.setY(y * GRAVITY_EARTH_MS2);
reading.setZ(z * GRAVITY_EARTH_MS2);
reading.setTimestamp(dateTimeToMsSinceEpoch(dateTime));
q->newReadingAvailable();
return S_OK;
}
