From owner-freebsd-hackers Thu Feb 15 22:49:23 1996 Return-Path: owner-hackers Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id WAA09686 for hackers-outgoing; Thu, 15 Feb 1996 22:49:23 -0800 (PST) Received: from time.cdrom.com (time.cdrom.com [192.216.222.226]) by freefall.freebsd.org (8.7.3/8.7.3) with SMTP id WAA09677 for ; Thu, 15 Feb 1996 22:49:20 -0800 (PST) Received: from localhost (localhost [127.0.0.1]) by time.cdrom.com (8.6.12/8.6.9) with SMTP id WAA00363; Thu, 15 Feb 1996 22:48:34 -0800 To: Michael Smith cc: hackers@FreeBSD.ORG Subject: Re: Multidrop serial (422/485) driver In-reply-to: Your message of "Fri, 16 Feb 1996 15:13:48 +1030." <199602160443.PAA26172@genesis.atrad.adelaide.edu.au> Date: Thu, 15 Feb 1996 22:48:34 -0800 Message-ID: <361.824453314@time.cdrom.com> From: "Jordan K. Hubbard" Sender: owner-hackers@FreeBSD.ORG Precedence: bulk > 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. Uh. Interesting. I wasn't aware that anyone was still playing with serial networks since they dismantled BERKNET. :-) Are you guys actually using this stuff in such an application? Jordan > > 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 [[