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Date:	Fri, 12 Jan 2007 11:28:14 +0100
From:	Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: cygwin 1.5.23-2 : CREAD termios option don't work
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On Jan 11 16:53, Florent Morin wrote:
> Hello,
> 
> I actually develop a program in C for reading and writing data on
> serial port. It works fine on GNU/Linux. I now test it with cygwin
> (Windows XP).
> 
> I begin to set the port options, then I read/write information and
> restore port settings. I can write on serial port but can't read.
> 
> For testing, I have tried with a working program : stty. It works fine
> with all options, but not with CREAD.
> 
> $ stty cread < /dev/ttyS0
> stty: /dev/ttyS0: unable to perform all requested operations
> 
> Can someone explain this ?

Please consider to debug this yourself.  Cygwin has no volunteer which
is fluent with serial I/O right now.


Corinna


-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat

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