From owner-freebsd-questions Thu May 2 17:11:09 1996 Return-Path: owner-questions Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id RAA07132 for questions-outgoing; Thu, 2 May 1996 17:11:09 -0700 (PDT) Received: from genesis.atrad.adelaide.edu.au (genesis.atrad.adelaide.edu.au [129.127.96.120]) by freefall.freebsd.org (8.7.3/8.7.3) with ESMTP id RAA07123 for ; Thu, 2 May 1996 17:10:59 -0700 (PDT) Received: from msmith@localhost by genesis.atrad.adelaide.edu.au (8.6.12/8.6.9) id JAA01377; Fri, 3 May 1996 09:42:49 +0930 From: Michael Smith Message-Id: <199605030012.JAA01377@genesis.atrad.adelaide.edu.au> Subject: Re: RS232C: how can I control rts/cts dtr/dsr? To: eeg@telecom.at (Franz Hollerer) Date: Fri, 3 May 1996 09:42:48 +0930 (CST) Cc: freebsd-questions@freebsd.org In-Reply-To: <199605021605.SAA68123@pina1> from "Franz Hollerer" at May 2, 96 06:09:21 pm MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-questions@freebsd.org X-Loop: FreeBSD.org Precedence: bulk Franz Hollerer stands accused of saying: > > Hi, > > I have a little problem and so I home that someone can help me: > > I have to write a program which misuses the hanshake lines of a > rs232c. > Can I do this from an user process or must I go into the kernel? If the sio driver hasn't taken the UART, you can do whatever you like from user space. Open /dev/io and poke away. > Thanks, > Franz > > EEG, Hard&Software Development > Austria > We have no kangaroos. We do. Nyaah! -- ]] Mike Smith, Software Engineer msmith@atrad.adelaide.edu.au [[ ]] Genesis Software genesis@atrad.adelaide.edu.au [[ ]] High-speed data acquisition and (GSM mobile) 0411-222-496 [[ ]] realtime instrument control (ph/fax) +61-8-267-3039 [[ ]] Collector of old Unix hardware. "Where are your PEZ?" The Tick [[