X-Spam-Check-By: sourceware.org Message-ID: <45D532B2.30605@cygwin.com> Date: Thu, 15 Feb 2007 23:27:30 -0500 From: "Larry Hall (Cygwin)" Reply-To: cygwin@cygwin.com User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.0.9) Gecko/20061221 Fedora/1.5.0.9-1.fc4.remi Thunderbird/1.5.0.9 Mnenhy/0.7.4.0 MIME-Version: 1.0 To: cygwin@cygwin.com Subject: Re: Lost support for baud rate of 230400 after minor Cygwin upgrade References: <45D4EC76.50404@avegasystems.com> <45D51CD5.9060500@avegasystems.com> In-Reply-To: <45D51CD5.9060500@avegasystems.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm List-Id: 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 David le Comte wrote: > Brian Ford wrote: >> On Fri, 16 Feb 2007, David le Comte wrote: >> >> >>> Note that using stty -F /dev/comX where X is the "Comm port number" >>> still works, ie it can still set the baud rate to 230400 (or even >>> 250000). >>> >> >> Sorry, but note also that if you are going to use Posix style termio >> calls, you need to use the Posix device name (/dev/ttySx). >> >> > Are you sure Brian? I am running Cygwin on WinXP, and using stty on > /dev/ttyX fails, > whereas on /dev/comX it works (where X is valid of course). > > Similarly open("/dev/ttyX",O_RDWR) returns -1, but returns a valid file > ID with open("/dev/comX",O_RDWR). > > My understanding is, that on a PC, psuedo-device files of the form > "/dev/ttyX" do not exist? What gave you that idea? $ ls /dev/tty1 /dev/tty1 But Brian suggested using /dev/ttySx (i.e. '/dev/ttyS0'). These are supported. $ ls /dev/ttyS0 /dev/ttyS0 See -- Larry Hall http://www.rfk.com RFK Partners, Inc. (508) 893-9779 - RFK Office 216 Dalton Rd. (508) 893-9889 - FAX Holliston, MA 01746 _____________________________________________________________________ A: Yes. > Q: Are you sure? >> A: Because it reverses the logical flow of conversation. >>> Q: Why is top posting annoying in email? -- 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/