Date: Wed, 14 Oct 2009 09:52:00 +0100 From: Miguel Filgueiras <mig@ncc.up.pt> To: "Julian H. Stacey" <jhs@berklix.com> Cc: carmel_ny <carmel_ny@hotmail.com>, mig@ncc.up.pt, Wolfskill <david@catwhisker.org>, freebsd-ports@freebsd.org, David Subject: Re: TomTom GPS 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>
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Hi Julian, "Julian H. Stacey" <jhs@berklix.com> 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
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