From owner-freebsd-hackers Thu Feb 15 20:40:51 1996 Return-Path: owner-hackers Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id UAA25687 for hackers-outgoing; Thu, 15 Feb 1996 20:40:51 -0800 (PST) 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 UAA25678 for ; Thu, 15 Feb 1996 20:40:46 -0800 (PST) Received: from msmith@localhost by genesis.atrad.adelaide.edu.au (8.6.12/8.6.9) id PAA26172 for hackers@freebsd.org; Fri, 16 Feb 1996 15:13:49 +1030 From: Michael Smith Message-Id: <199602160443.PAA26172@genesis.atrad.adelaide.edu.au> Subject: Multidrop serial (422/485) driver To: hackers@freebsd.org Date: Fri, 16 Feb 1996 15:13:48 +1030 (CST) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-hackers@freebsd.org Precedence: bulk Ok, after much personal enlightenment I'm happy(?) to be asking publically for testers for a new device driver. The 'mdsio' driver provides support for multidrop serial busses, either using a standard RS-422/485 interface card, or a standard RS-232 serial port with DTR- or RTS-controlled transmit/receive. At this point, the driver is for -stable; at some stage DEVFS support will be added I'm sure. As the interface stands, it's simply a means for moving data on the bus; to run IP (for example) on the bus would require a simple wrapper to hang off a 'tun' device. If anyone believes they have an environment in which they could test/use this driver, please contact me for more details. -- ]] 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. "I seek PEZ!" - The Tick [[