From owner-freebsd-hackers Sat Feb 3 02:27:03 1996 Return-Path: owner-hackers Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id CAA18190 for hackers-outgoing; Sat, 3 Feb 1996 02:27:03 -0800 (PST) Received: from ra.dkuug.dk (ra.dkuug.dk [193.88.44.193]) by freefall.freebsd.org (8.7.3/8.7.3) with SMTP id CAA18178 for ; Sat, 3 Feb 1996 02:26:53 -0800 (PST) Received: from critter.tfs.com ([193.88.44.194]) by ra.dkuug.dk (8.6.12/8.6.12) with ESMTP id LAA24060 for ; Sat, 3 Feb 1996 11:15:06 +0100 Received: from localhost.tfs.com (localhost.tfs.com [127.0.0.1]) by critter.tfs.com (8.6.12/8.6.12) with SMTP id LAA05993; Sat, 3 Feb 1996 11:24:10 +0100 X-Authentication-Warning: critter.tfs.com: Host localhost.tfs.com didn't use HELO protocol To: Michael Smith cc: jgreco@brasil.moneng.mei.com (Joe Greco), hackers@freebsd.org Subject: Re: Watchdog timers (was: Re: Multi-Port Async Cards) In-reply-to: Your message of "Sat, 03 Feb 1996 19:13:06 +1030." <199602030843.TAA01018@genesis.atrad.adelaide.edu.au> Date: Sat, 03 Feb 1996 11:24:07 +0100 Message-ID: <5991.823343047@critter.tfs.com> From: Poul-Henning Kamp Sender: owner-hackers@freebsd.org Precedence: bulk > All this is a little hypothetical just now, as I'm concentrating on the > watchdog card. If it works out, it should do the basics, and with a TXCO > on it should give a good, stable frequency reference. Accessing it > won't be fast, sorry Bruce 8( The bit Bruce said about the 64bit counter is important. Can you make it so that the count is latched when you read the LSB so that the count read is atomic ? Also, consider putting it on an IDE cable, it may be faster actually... -- Poul-Henning Kamp | phk@FreeBSD.ORG FreeBSD Core-team. http://www.freebsd.org/~phk | phk@login.dknet.dk Private mailbox. whois: [PHK] | phk@ref.tfs.com TRW Financial Systems, Inc. Future will arrive by its own means, progress not so.