//## Magnetometer
async Task ReadMagnetometer()
{
byte[] rawData = await BLE_Utilities.ReadData(Sensor.Accelerometer);
float[] vals = SensorConvert.convertAccelerometer(rawData);
await this.Dispatcher.BeginInvoke((Action)(() => setMagnetometer(vals[0], vals[1], vals[2])));
}
async void NotifyMagnetometer(GattCharacteristic sender, GattValueChangedEventArgs args)
{
byte[] rawData = BLE_Utilities.getDataBytes(args);
float[] vals = SensorConvert.convertAccelerometer(rawData);
await this.Dispatcher.BeginInvoke((Action)(() => setMagnetometer(vals[0], vals[1], vals[2])));
}