private static bool TryDetectDevicePort(out string devicePortName)
{
string[] portNames = SerialPort.GetPortNames();
foreach (string portName in portNames)
{
string version;
using (SerialPort port = OpenPort(portName))
{
try
{
port.Open();
}
catch
{
continue;
}
using (GmcReader reader = new GmcReader(port))
{
using (GmcWriter writer = new GmcWriter(port))
{
writer.WriteVersionRequest();
try
{
version = reader.ReadVersion();
}
catch (DeviceUnresponsiveException)
{
continue;
}
}
}
port.Close();
}
if (version.StartsWith("GMC"))
{
devicePortName = portName;
return true;
}
}
devicePortName = null;
return false;
}
