public ControlPowerSDR()
{
comPort = new SerialPort();
comPort.PortName = "COM2";
comPort.BaudRate = Convert.ToInt32("4800");
comPort.DataBits = Convert.ToInt16("8");
comPort.StopBits = (StopBits)Enum.Parse(typeof(StopBits), "1");
comPort.Parity = (Parity)Enum.Parse(typeof(Parity), "None");
comPort.Open();
}