public InputPort?GetInputPortForOutputPort(OutputPort outputPort, TieType tieType)
{
if (!_rs232Device.Enabled)
{
return(null);
}
string result = null;
if (tieType == TieType.AudioVideo)
{
throw new ArgumentException("Unable to get Audio and Video ties at the same time.");
}
switch (tieType)
{
case TieType.Video:
result = _rs232Device.WriteWithResponse($"{(int)outputPort}&", @"^[0-9]+$");
break;
case TieType.Audio:
result = _rs232Device.WriteWithResponse($"{(int)outputPort}$", @"^[0-9]+$");
break;
}
if (result == null)
{
return(null);
}
InputPort tie = (InputPort)int.Parse(result);
if (!tie.Valid())
{
return(null);
}
return(tie);
}
