From owner-freebsd-hackers  Fri Jun 29  7:41: 2 2001
Delivered-To: freebsd-hackers@freebsd.org
Received: from smtpproxy1.mitre.org (mb-20-100.mitre.org [129.83.20.100])
	by hub.freebsd.org (Postfix) with ESMTP id C975737B408
	for <freebsd-hackers@freebsd.org>; Fri, 29 Jun 2001 07:40:57 -0700 (PDT)
	(envelope-from jandrese@mitre.org)
Received: from avsrv1.mitre.org (avsrv1.mitre.org [129.83.20.58])
	by smtpproxy1.mitre.org (8.11.3/8.11.3) with ESMTP id f5TEeiD23089;
	Fri, 29 Jun 2001 10:40:45 -0400 (EDT)
Received: from MAILHUB2 (mailhub2.mitre.org [129.83.221.18])
	by smtpsrv1.mitre.org (8.11.3/8.11.3) with ESMTP id f5TEehX25492;
	Fri, 29 Jun 2001 10:40:43 -0400 (EDT)
Received: from dhcp-105-164.mitre.org (128.29.105.164) by mailhub2.mitre.org with SMTP
        id 7052458; Fri, 29 Jun 2001 10:40:41 -0400
Message-ID: <3B3C936E.81C0B23B@mitre.org>
Date: Fri, 29 Jun 2001 10:40:46 -0400
From: Jason Andresen <jandrese@mitre.org>
Organization: The MITRE Corporation
X-Mailer: Mozilla 4.75 [en]C-20000818M  (Windows NT 5.0; U)
X-Accept-Language: en
MIME-Version: 1.0
To: Jason Borkowsky <jcborkow@tcpns.com>, roam@orbitel.bg,
	freebsd-hackers@freebsd.org
Subject: Re: Serial port control
References: <Pine.BSF.4.21.0106291019200.25917-100000@bemused.tcpns.com>
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
Sender: owner-freebsd-hackers@FreeBSD.ORG
Precedence: bulk
List-ID: <freebsd-hackers.FreeBSD.ORG>
List-Archive: <http://docs.freebsd.org/mail/> (Web Archive)
List-Help: <mailto:majordomo?subject=help> (List Instructions)
List-Subscribe: <mailto:majordomo?subject=subscribe%20freebsd-hackers>
List-Unsubscribe: <mailto:majordomo?subject=unsubscribe%20freebsd-hackers>
X-Loop: FreeBSD.ORG

Jason Borkowsky wrote:
> 
> > <Nausicaa/p0> (77 ~): gcc -o serialioctl serialioctl.c
> > <Nausicaa/p0> (78 ~): sudo ./serialioctl
> > Password:
> > Current Serial Settings: Ring  RTS  DTR  DSR
> > Current Serial Settings: Ring  DSR
> > <Nausicaa/p0> (79 ~): uname -a
> > FreeBSD Nausicaa.mitre.org 4.3-RC FreeBSD 4.3-RC #2: Tue Apr 10 10:50:19
> > EDT 2001     root@Nausicaa.mitre.org:/usr/obj/usr/src/sys/NAUSICAA  i386
> 
> I get the identical output, but when I actually put a voltmeter on the
> serial port between DTR and GND, the voltage does not change.

Sorry, I misread your original message.  I thought you were saying the
ioctls were returning cleanly but not changing the state of the ports. 
Nevermind then. 

-- 
  \  |_ _|__ __|_ \ __| Jason Andresen        jandrese@mitre.org
 |\/ |  |    |    / _|  Network and Distributed Systems Engineer
_|  _|___|  _| _|_\___| Office: 703-883-7755


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-hackers" in the body of the message