void CMagnetometer::DataReceived(CSensrvChannel& aChannel, TInt aCount, TInt aDataLost)
{
if (aChannel.GetChannelInfo().iChannelType == KSensrvChannelTypeIdMagnetometerXYZAxisData)
{
TPckgBuf<TSensrvMagnetometerAxisData> dataBuffer;
TSensrvMagnetometerAxisData data;
for (TInt i = 0; i < aCount; ++i)
{
aChannel.GetData(dataBuffer);
data = dataBuffer();
// Do something with the date in data variable
// data.iTimeStamp
// Compensate axis for landscape mode
TInt x = -data.iAxisYCalibrated;
TInt y = data.iAxisXCalibrated;
TInt z = data.iAxisZCalibrated;
#if 0
TInt x = data.iAxisXCalibrated;
TInt y = data.iAxisYCalibrated;
TInt z = data.iAxisZCalibrated;
#endif
const TReal KPole = 0.85;
iX = KPole * iX + (1.0 - KPole) * x;
iY = KPole * iY + (1.0 - KPole) * y;
iZ = KPole * iZ + (1.0 - KPole) * z;
}
}
}
Qt::Orientation HbSensorListener::orientationFromData(CSensrvChannel &aChannel, TInt aCount)
{
Qt::Orientation orientation = mOrientation;
if (aChannel.GetChannelInfo().iChannelType == KSensrvChannelTypeIdOrientationData) {
TSensrvOrientationData data;
for (TInt i = 0; i < aCount; ++i) {
TPckgBuf<TSensrvOrientationData> dataBuf;
aChannel.GetData(dataBuf);
data = dataBuf();
orientation = sensorOrientationToQtOrientation(data.iDeviceOrientation);
}
}
return orientation;
}
void CMagnetometer::PropertyChanged(CSensrvChannel& aChannel, const TSensrvProperty& aChangedProperty)
{
TSensrvChannelInfo info = aChannel.GetChannelInfo();
if (info.iChannelType == KSensrvChannelTypeIdMagnetometerXYZAxisData &&
aChangedProperty.GetPropertyId() == KSensrvPropCalibrationLevel)
{
TInt calibration = 0;
aChangedProperty.GetValue(calibration);
iCalibration = calibration == 0? ENone :
calibration == 1? ELow :
calibration == 2? EModerate :
calibration == 3? EHigh : ENone;
}
}
