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From: Chris Faylor <cgf AT cygnus DOT com>
Date: Fri, 16 Apr 1999 14:59:04 -0400
To: Steve Horne <horne AT diamond DOT astex DOT com>
Cc: cygwin AT sourceware DOT cygnus DOT com
Subject: Re: help with serial ports
Message-ID: <19990416145904.B1076@cygnus.com>
References: <199904160246 DOT WAA12179 AT diamond DOT astex DOT com>
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In-Reply-To: <199904160246.WAA12179@diamond.astex.com>; from Steve Horne on Thu, Apr 15, 1999 at 10:46:59PM -0400

Try the January 15th snapshot.

-chris

On Thu, Apr 15, 1999 at 10:46:59PM -0400, Steve Horne wrote:
>I'm using Beta 20.1 from
>ftp://go.cygnus.com/pub/sourceware.cygnus.com/cygwin/cygwin-b20/
>running on w95. I'm trying to talk to the serial port
>from what I hoped would be a simple C program.
>
>I have been looking through the archives,  FAQS & etc and
>have not yet figured out how to access a serial port.
>
>Neither open("COM1:"...)   (or 2, with or without colon) or
>        open("/dev/com1"...) 
>
>
>seems to work.  (The call returns failure.)
>Also, "cat /dev/com1" from the bash shell
>gives a file  protection error of some sort.
> (sorry, I'm not at work & don't have exact text)
>
>I used version 19 successfully for another project (with no serial port I/O)
> but it had the same problems as V 20.  I had hoped upgrading would help,
>but no luck. 
>
>If someone could send me a code fragment that has worked for
>them I would be grateful.

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