From owner-freebsd-hackers Fri Jun 7 19:03:00 1996 Return-Path: owner-hackers Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id TAA18253 for hackers-outgoing; Fri, 7 Jun 1996 19:03:00 -0700 (PDT) Received: from genesis.atrad.adelaide.edu.au (genesis.atrad.adelaide.edu.au [129.127.96.120]) by freefall.freebsd.org (8.7.5/8.7.3) with ESMTP id TAA18222 for ; Fri, 7 Jun 1996 19:02:47 -0700 (PDT) Received: from msmith@localhost by genesis.atrad.adelaide.edu.au (8.6.12/8.6.9) id LAA26381; Sat, 8 Jun 1996 11:57:25 +0930 From: Michael Smith Message-Id: <199606080227.LAA26381@genesis.atrad.adelaide.edu.au> Subject: Re: RS422/485 driver update To: chuckr@Glue.umd.edu (Chuck Robey) Date: Sat, 8 Jun 1996 11:57:24 +0930 (CST) Cc: hackers@freebsd.org In-Reply-To: from "Chuck Robey" at Jun 7, 96 11:11:20 am MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-hackers@freebsd.org X-Loop: FreeBSD.org Precedence: bulk Chuck Robey stands accused of saying: > > Michael, the .sch file seems to be missing from the tar file, could you > put it up? The schematic is 'rsrssch.prn'; I didn't but the Protel schematic file in there because I figured that it wouldn't be particularly useful. (I should have renamed the '.prn' files to '.ps', that was slack.) Anyway, it's there in the Protel format as well if that's helpful. > This seems really interesting for me, tho I cna't tell right now hwo long > it will take me to get to a keen application. Most modern theatres (at > least in the US) use an RS485 interface, in conjuntion with an incredibly > simple protocol and hardware, to control lighting. The consoles that do > this are really expensive, and it seems like a real good application for > me to fiddle with. Real time for such folks isn't the same real-time as > it is for you and me, at least in my talks with local theatre folk seem > to indicate. Cheap is important! Well cheap certainly wins with this stuff. Not to mention robust & a doddle to work with. > Chuck Robey | Interests include any kind of voice or data -- ]] 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 [[