From: Travis Whitton <whitton@...>
Date: 2003-01-08T02:32:22+09:00
Subject: Re: Windows Serial Port

> nRet = fWriteFile.call(hCom, txBuffer, txBuffer.size, ptxBytes, NULL)
> txBytes = ptxBytes.unpack("L")[0]   #=> 4

The program hangs right here waiting for a read to happen. I know that
the write is successful because the SD light on my modem blinks. I have
to kill the cygwin window that ruby is running in in order to kill the program.

> nRet = fReadFile.call(hCom, rxBuffer, rxBuffer.size, prxBytes, NULL)
> rxBytes = prxBytes.unpack("L")[0]   #=> 10
> 
> rxBuffer[0...rxBytes]               #=> "ATZ\r\r\nOK\r\n"

Any ideas?

Thanks,
Travis Whitton <whitton@atlantic.net>