public void setSerial(SerialPort _port)
        {
            SerialPort old = mSerial;
            mSerial = _port;

            if (old != mSerial)
            {
                if (old != null)
                {
                    old.close();
                }
                if (mSerial != null)
                {
                    mSerial.open();
                    mLog.logType("SYSTEM", "Serial configuration: " + mSerial.ToString());
                }
            }
        }