delorie.com/archives/browse.cgi | search |
Mailing-List: | contact cygwin-help AT cygwin DOT com; run by ezmlm |
List-Subscribe: | <mailto:cygwin-subscribe AT cygwin DOT com> |
List-Archive: | <http://sources.redhat.com/ml/cygwin/> |
List-Post: | <mailto:cygwin AT cygwin DOT com> |
List-Help: | <mailto:cygwin-help AT cygwin DOT com>, <http://sources.redhat.com/ml/#faqs> |
Sender: | cygwin-owner AT cygwin DOT com |
Mail-Followup-To: | cygwin AT cygwin DOT com |
Delivered-To: | mailing list cygwin AT cygwin DOT com |
X-Originating-IP: | [203.29.131.24] |
X-Originating-Email: | [arashp AT hotmail DOT com] |
From: | "Arash Partow" <arashp AT hotmail DOT com> |
To: | cygwin AT cygwin DOT com |
Subject: | Re: Problem reading from COM1 |
Date: | Tue, 11 Nov 2003 18:27:16 +0000 |
Mime-Version: | 1.0 |
Message-ID: | <BAY9-F4BWgBmUvFN4Ro00049236@hotmail.com> |
X-OriginalArrivalTime: | 11 Nov 2003 18:27:16.0766 (UTC) FILETIME=[6F46BBE0:01C3A881] |
Hi, Cygwin provides a posix layer for interfacing with i/o devices, looking at this line you have written: >$ stty -F /dev/com1 You need some more info about how serial i/o ports are described in a posix system, this page is a good resource: http://www.easysw.com/~mike/serial/serial.html Regards Arash >Problem reading from COM1 > >Hello, > >I have installed Cygwin on a windows98 computer. >I have a problem using the serial port. (COM1) >It is possible to write to COM1 but impossible to read from. > >ls >com1 >data is send and received > >cat< com1 >nothing is received. > >I did several tests with different programs. >But nothing is received. (under cygwin) >A normal HyperTerminal on windows did work. >The stty command have the following settings. > > >$ stty -F /dev/com1 >speed 9600 baud; line = 0; >intr = <undef>; quit = <undef>; erase = <undef>; kill = <undef>; eof = ><undef>; >susp = <undef>; rprnt = <undef>; werase = <undef>; lnext = <undef>; >flush = <undef>; min = 0; time = 0; >-cread >-brkint -icrnl -imaxbel >-opost -onlcr >-isig -icanon -iexten -echo -echoe -echok -echoctl -echoke > >$ stty -F /dev/com1 cread >stty: /dev/com1: unable to perform all requested operations > >Why Can?t I read from the COM1? >Is it because I use windows 98? >Why can?t stty set cread? > >Thanks Robert Bon _________________________________________________________________ Hot chart ringtones and polyphonics. Go to http://ninemsn.com.au/mobilemania/default.asp -- 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/
webmaster | delorie software privacy |
Copyright © 2019 by DJ Delorie | Updated Jul 2019 |