private async Task <byte> OneWireBitAsync(byte b)
{
var bit = b > 0 ? 0xFF : 0x00;
DataWriteObject.WriteByte((byte)bit);
await DataWriteObject.StoreAsync();
await DataReaderObject.LoadAsync(1);
var data = DataReaderObject.ReadByte();
return((byte)(data & 0xFF));
}
private async Task <bool> TryOneWireResetAsync(string deviceId)
{
try
{
SerialPort?.Dispose();
SerialPort = await GetNewSerialPortAsync(deviceId, BaudRate.Low);
DataWriteObject = DataWriterFactory(SerialPort.OutputStream);
DataWriteObject.WriteByte(StartByte);
await DataWriteObject.StoreAsync();
DataReaderObject = new DataReader(SerialPort.InputStream);
await DataReaderObject.LoadAsync(1);
var resp = DataReaderObject.ReadByte();
if (resp == (int)ResponseCode.UartNotConnected)
{
Debug.WriteLine("Nothing connected to UART");
return(false);
}
if (resp == (int)ResponseCode.NonOneWireDevice)
{
Debug.WriteLine("No 1-wire devices are present");
return(false);
}
Debug.WriteLine($"Response: {resp}");
SerialPort.Dispose();
SerialPort = await GetNewSerialPortAsync(deviceId, BaudRate.High);
DataWriteObject = DataWriterFactory(SerialPort.OutputStream);
DataReaderObject = DataReaderFactory(SerialPort.InputStream);
return(true);
}
catch (Exception ex)
{
Debug.WriteLine($"Exception: {ex.Message}");
return(false);
}
}