From owner-freebsd-ports@FreeBSD.ORG Wed Oct 14 08:52:08 2009 Return-Path: Delivered-To: freebsd-ports@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id E65C71065692 for ; Wed, 14 Oct 2009 08:52:08 +0000 (UTC) (envelope-from mig@ncc.up.pt) Received: from mail.ncc.up.pt (www.liacc.up.pt [193.136.27.99]) by mx1.freebsd.org (Postfix) with ESMTP id A10F38FC19 for ; Wed, 14 Oct 2009 08:52:07 +0000 (UTC) Received: from out-traffic.dcc.fc.up.pt ([193.136.39.10]:33469 helo=localhost) by mail.ncc.up.pt with esmtpsa (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.69) (envelope-from ) id 1MxzaS-0005Xs-H8; Wed, 14 Oct 2009 09:52:00 +0100 Date: Wed, 14 Oct 2009 09:52:00 +0100 From: Miguel Filgueiras To: "Julian H. Stacey" Message-ID: <20091014095200.2933a46c@ncc.up.pt> In-Reply-To: <200910131333.n9DDXJJ6079478@fire.js.berklix.net> References: <20091013105106.2b55d6fa@ncc.up.pt> <200910131333.n9DDXJJ6079478@fire.js.berklix.net> X-Mailer: Claws Mail 3.7.2 (GTK+ 2.18.2; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: carmel_ny , mig@ncc.up.pt, Wolfskill , freebsd-ports@freebsd.org, David Subject: Re: TomTom GPS X-BeenThere: freebsd-ports@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Porting software to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 14 Oct 2009 08:52:09 -0000 Hi Julian, "Julian H. Stacey" wrote: > > I can assure you that I don't know of any GPS destroyed by GPSMan > > since its first version back in 1998! > > Sorry, I didnt mean to imply anything there, I was more thinking of > being cautious on the option of completely zapping the base TomTom > software & installing a Linux based replacement (which I'd heard > is also possible). No need for apologies, I was trying to make fun :-) > we need is a publicly available description of its communication > > protocol. Is there one? Where? > > I found http://www.tomtom.com/page.php?Page=gpl > "If you want to build your own software to run on the TomTom > GO, RIDER or ONE devices, and need information or suggestions > on how to do so, we suggest taking a look at the independent > OpenTom project, on its website: http://www.opentom.org/." > > Lots for tomtom owners to read at http://www.opentom.org Inc eg > http://www.opentom.org/Hardware_USB > Probably someone has already cracked the protocol. > probably no need to intercept TomTom software running on XP & split > & log it to BSD USB ports (like UPS NUT project did on some USB UPSs) I have problems with using cracked protocols in GPSMan: I am a professor at a public university and so I cannot infringe copyrights... On the other hand I'm free to give information on how GPSMan is implemented and how it can be extended. > > I did a Tcl/Tk project once, long ago, prefer C but could do. That sounds good enough! > > Thanks ! look like carmel_ny & I & other TomTom owners should first > read http://www.opentom.org Ok. I suppose that TomToms also support the NMEA protocol but I don't know if they have something similar to the proprietary extensions used by Garmin or Magellan. If there is a description of this it may be an alternative. Cheers, Miguel