protected override void OnCharacteristicValueChanged(GattCharacteristic sender, GattValueChangedEventArgs eventArgs)
{
if (sender.Uuid == AccelerometerCharacteristicUuid)
{
if (_accelerometerValueChanged != null)
{
uint dataLength = eventArgs.CharacteristicValue.Length;
using (DataReader reader = DataReader.FromBuffer(eventArgs.CharacteristicValue))
{
if (dataLength == 3)
{
var data = new byte[dataLength];
reader.ReadBytes(data);
AccelerometerMeasurement measurement = new AccelerometerMeasurement();
sbyte x = (sbyte)data[0];
sbyte y = (sbyte)data[1];
sbyte z = (sbyte)data[2];
measurement.X = (double)x / 64.0;
measurement.Y = (double)y / 64.0;
measurement.Z = (double)z / 64.0;
OnAccelerationMeasurementValueChanged(new AccelerometerMeasurementEventArgs(measurement, eventArgs.Timestamp));
}
}
}
}
}
public AccelerometerMeasurementEventArgs(AccelerometerMeasurement measurement, DateTimeOffset timestamp)
{
Measurement = measurement;
Timestamp = timestamp;
}
