public async void LoadCharacteristics()
{
IEnumerable <ICharacteristic> characteristics = await ServiceInstance.GetCharacteristicsAsync();
foreach (ICharacteristic characteristic in characteristics)
{
if (characteristic.Id == TemperatureCharacteristicId)
{
characteristic.ValueUpdated += (sender, e) =>
{
byte[] tempBytes = e.Characteristic.Value;
Temperature = (sbyte)(tempBytes.First());
System.Diagnostics.Debug.WriteLine("Temperature: " + " " + Temperature);
};
MarkCharacteristicForUpdate(characteristic);
}
else if (characteristic.Id == TemperaturePeriodCharacteristicId)
{
byte[] val = await characteristic.ReadAsync();
int period = ConversionHelpers.ByteArrayToShort16BitLittleEndian(val);
TemperaturePeriod = period;
System.Diagnostics.Debug.WriteLine("Temperature period: " + " " + Temperature);
}
}
StartUpdates();
}
public async void LoadCharacteristics()
{
IEnumerable <ICharacteristic> characteristics = await ServiceInstance.GetCharacteristicsAsync();
foreach (ICharacteristic characteristic in characteristics)
{
if (characteristic.Id == MagnetometerCharacteristicId)
{
characteristic.ValueUpdated += (sender, e) =>
{
byte[] rawBytes = e.Characteristic.Value;
if (rawBytes.Length != 6)
{
throw new InvalidDataException("Magnetometer characteristic should have 6 bytes");
}
short rawX = ConversionHelpers.ByteArrayToShort16BitLittleEndian(new byte[] { rawBytes[0], rawBytes[1] });
short rawY = ConversionHelpers.ByteArrayToShort16BitLittleEndian(new byte[] { rawBytes[2], rawBytes[3] });
short rawZ = ConversionHelpers.ByteArrayToShort16BitLittleEndian(new byte[] { rawBytes[4], rawBytes[5] });
X = ((double)rawX) / 1000.0;
Y = ((double)rawY) / 1000.0;
Z = ((double)rawZ) / 1000.0;
};
MarkCharacteristicForUpdate(characteristic);
}
else if (characteristic.Id == MagnetometerBearingCharacteristicId)
{
characteristic.ValueUpdated += (sender, e) =>
{
byte[] rawBytes = e.Characteristic.Value;
if (rawBytes.Length != 2)
{
throw new InvalidDataException("Magnetometer Bearing characteristic should have 2 bytes");
}
MagnetometerBearing = ConversionHelpers.ByteArrayToShort16BitLittleEndian(rawBytes);
};
MarkCharacteristicForUpdate(characteristic);
}
else if (characteristic.Id == MagnetometerPeriodCharacteristicId)
{
byte[] val = await characteristic.ReadAsync();
int period = ConversionHelpers.ByteArrayToShort16BitLittleEndian(val);
MagnetometerPeriod = period;
}
}
StartUpdates();
}
