private void SaveSerialConf()
{
serialSave.SetValue(portKey, port);
serialSave.SetValue(baudRateKey, baudRate);
serialSave.SetValue(parityKey, (int)Parity.None);
serialSave.SetValue(dataBitsKey, "8");
serialSave.SetValue(stopBitsKey, (int)StopBits.One);
}