public static SerialService Start()
 {
     if (_Singleton == null)
         _Singleton = new SerialService(Settings.Default.SerialName,Settings.Default.SerialBaudRate);
     return _Singleton;
 }
 public static void Stop()
 {
     _Singleton.Close();
     _Singleton = null;
     Status = false;
     ErrorMessage = string.Empty;
 }