From owner-freebsd-hardware@FreeBSD.ORG Wed Aug 6 06:23:54 2003 Return-Path: Delivered-To: freebsd-hardware@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 47BEA37B401 for ; Wed, 6 Aug 2003 06:23:54 -0700 (PDT) Received: from mailout09.sul.t-online.com (mailout09.sul.t-online.com [194.25.134.84]) by mx1.FreeBSD.org (Postfix) with ESMTP id C339243F3F for ; Wed, 6 Aug 2003 06:23:52 -0700 (PDT) (envelope-from hm@kts.org) Received: from fwd02.aul.t-online.de by mailout09.sul.t-online.com with smtp id 19kOGb-0007k3-00; Wed, 06 Aug 2003 15:23:49 +0200 Received: from ernie.kts.org (TJwJPOZQQepsCvUW21OWgiIJhqu2RcA+4ncPW1rXNkaW0VThNAsEk7@[217.227.42.71]) by fmrl02.sul.t-online.com with esmtp id 19kOGU-0fTMKe0; Wed, 6 Aug 2003 15:23:42 +0200 Received: from bert.int.kts.org (bert.int.kts.org [172.31.42.2]) by ernie.kts.org (Postfix) with ESMTP id 921A1FDB3; Wed, 6 Aug 2003 15:23:41 +0200 (CEST) Received: by bert.int.kts.org (Postfix, from userid 100) id 73E35A5; Wed, 6 Aug 2003 15:23:41 +0200 (CEST) In-Reply-To: To: patpro Date: Wed, 6 Aug 2003 15:23:41 +0200 (CEST) Organization: Kitchen Table Systems X-Mailer: ELM [version 2.4ME+ PL99b (25)] MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=US-ASCII Message-Id: <20030806132341.73E35A5@bert.int.kts.org> From: hm@kts.org (Hellmuth Michaelis) X-Seen: false X-ID: TJwJPOZQQepsCvUW21OWgiIJhqu2RcA+4ncPW1rXNkaW0VThNAsEk7@t-dialin.net cc: "Louis A. Mamakos" cc: freebsd-hardware@freebsd.org Subject: Re: temperature acquisition on FreeBSD X-BeenThere: freebsd-hardware@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: hellmuth.michaelis@t-online.de List-Id: General discussion of FreeBSD hardware List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 06 Aug 2003 13:23:54 -0000 patpro wrote: > >> What I would do today is continue to use the Dallas Semiconductor > >> temperature probe devices and just drive them from the Dallas > >> 1-wire to RS-232 serial port adapter. You'll need some additional > >> software to discover, address, fetch and convert measurements from > >> each of the probes as compared to the Spiderplant box. > >> > >> As far as software, you can start with /usr/ports/comms/mlan or > >> /usr/ports/comms/mlan3 to talk to the adapter. > > > If I understand well, you're talking about this device : > > https://store.ibutton.com/cgi-bin/ncommerce3/ > ProductDisplay?prrfnbr=2531&prmenbr=776 > > But it looks like one can only plug 1 probe, and by the way, I can't > find simple temp probes. > The starter kit looks good > (http://www.ibutton.com/ibuttons/1921Kit.html) but the DS9097U-S09 has > no addressable 1-Wire chip onboard. And it seems it uses TMEX driver, > so I'm not sure mlan or mlan3 freebsd ports can read data from it. I am using DS9097U-009 devices together with several DS1820 (in a bus topology) at several places to monitor temperature of rooms and machines. All you need is a DS9097U-009, one or more DS1820, twisted pair wiring and the mlan or better the mlan3 port on a FreeBSD machine. See also http://www.kts.org/temp.html http://www.kts.org/hm/download/mtempd.tar.gz and http://www.kts.org/hm/hm-links-1wire.html hellmuth -- Hellmuth Michaelis Hamburg, Europe hm\at\kts.org www.kts.org a duck is like a bicycle because they both have two wheels except the duck (tl)