This is the mail archive of the
cygwin
mailing list for the Cygwin project.
Re: Problem open(...) serial port /dev/com20 and tcgetattr(...)
- From: Corinna Vinschen <corinna-cygwin at cygwin dot com>
- To: cygwin at cygwin dot com
- Date: Wed, 17 Jan 2007 12:47:19 +0100
- Subject: Re: Problem open(...) serial port /dev/com20 and tcgetattr(...)
- References: <45ADF0D2.8080809@sauvages.be>
- Reply-to: cygwin at cygwin dot com
On Jan 17 10:48, Stan Pinte wrote:
> Hello,
>
> accessing serial port under cygwin, with ids above 10 is broken:
>
> Using "/dev/com20" results in a "No such file or directory" error.
Try the more POSIXy "/dev/ttyS19" instead. /dev/ttyS0 == /dev/com1
This is supposed to be supported up to /dev/ttyS63.
> The following post:
> http://www.cygwin.com/ml/cygwin/1999-12/msg00323.html says I should use
>
> "\\\\.\\com20" instead of "/dev/com20". If I do that, the call to open(...) succeed,
> but the call to tcgetattr raises a "Inappropriate ioctl for device" error.
This posting is 7(!) years old. Things have changed in the meantime.
Don't use the Windows notation "\\.\comXX". It's not supported.
Corinna
--
Corinna Vinschen Please, send mails regarding Cygwin to
Cygwin Project Co-Leader cygwin AT cygwin DOT com
Red Hat
--
Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
Problem reports: http://cygwin.com/problems.html
Documentation: http://cygwin.com/docs.html
FAQ: http://cygwin.com/faq/