updateCharacteristicValue method
Implementation
void updateCharacteristicValue(
String deviceId,
String characteristicId,
Uint8List value,
) {
characteristicId = BleUuidParser.string(characteristicId);
_valueStreamController.add((
deviceId: deviceId,
characteristicId: characteristicId,
value: value,
));
try {
onValueChange?.call(deviceId, characteristicId, value);
} catch (_) {}
}