public static string ReadSerialNumber(string port)
{
string serialNumber = string.Empty;
if (port == string.Empty)
{
throw new ArgumentException("port empty");
}
AdapterProtocol ap = null;
try
{
ap = new AdapterProtocol(port);
ap.Open();
ap.Clear();
byte[] ser = ap.ReadSerialNumber();
if (ser.Length == 0)
{
serialNumber = "NONE";
}
else
{
serialNumber = Encoding.ASCII.GetString(ser);
}
}
catch (Exception)
{
throw;
}
finally
{
try
{
if (ap != null)
{
ap.Close();
}
}
catch (System.IO.IOException ex)
{
Logger.Warn("could not close serial port: {0}", ex.Message);
}
}
return(serialNumber);
}