X-Spam-Check-By: sourceware.org Date: Wed, 17 Jan 2007 12:47:19 +0100 From: Corinna Vinschen To: cygwin@cygwin.com Subject: Re: Problem open(...) serial port /dev/com20 and tcgetattr(...) Message-ID: <20070117114719.GG28312@calimero.vinschen.de> Reply-To: cygwin@cygwin.com Mail-Followup-To: cygwin@cygwin.com References: <45ADF0D2.8080809@sauvages.be> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <45ADF0D2.8080809@sauvages.be> User-Agent: Mutt/1.4.2.2i Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Delivered-To: mailing list cygwin@cygwin.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/