2914Re: Garmin Nuvi 350 and T2
- Feb 8, 2008Scott, I tried to purchase the cable from Garmin, # 010-10813-00 and
Garmin won't sell to Canada. Will you be able to get these cables and
sell them yourself? I checked other sites and no one seems to have
them in stock.
--- In firstname.lastname@example.org, Scott Miller <scott@...> wrote:
> Certainly not in exactly the same way (it's a Garmin proprietary
> protocol) but that's not to say they don't have some interface for AVL
> or fleet management. If someone wants to look that up, I'll be
> support what I can.
> If it's anything complicated, it's going to have to be in a separate
> firmware load, I think. Every time I hit the 'make' key these days, I
> cringe, waiting for the dreaded 'out of allocation space in segment
> linker error that means I've run out of room.
> That doesn't mean the end of T2 improvements, it just means that I get
> to spent a lot more time optimizing existing code before I can add new
> stuff. Rewriting some of the trig functions already bought me some
> breathing room, but I'm going to have to tackle other bits of bloat
> before long.
> Steve wrote:
> > Scott,
> > Do you know if the TomTom Go920 is possible to access in the same
> > the Garmin Nuvi you mentioned below??
> > It has a (what I call) mini usb to interface with either a charger
> > PC for programming.
> > This GPS is loaded with some very neat features and if it was
> > to interface that to a Kenwood D700 or D710 I would have gone to APRS
> > heaven!!
> > I already tried out a Garmin StreetPilot® c530, and while I made no
> > attempt to use it for APRS and also a TomTom one xl and a low end
> > Magellan 3100, they all seem to have this mini usb port on them!
> > If there is anything more you need to know about the TomTom GO920
> > let me know and I will attempt to furbish you that info the best I
> > 73
> > Steve, kf6wax
> > On Jan 31, 2008 11:06 PM, Scott Miller <scott@...
> > <mailto:scott@...>> wrote:
> > I discovered something interesting today. Here I've been
> > all along that the newer USB-only Garmin receivers like the
> > worthless for APRS. Turns out I was wrong.
> > When I heard about Garmin's fleet management interface, I
> > be worth checking out. It needs a special cable, though - for
> > 350 I picked up, it's Garmin p/n 010-10813-00. By the looks of
> > probably just got a level converter inside, but I'm not sure.
> > Apparently there's a serial interface of some sort that can
> > USB connector.
> > The fleet management protocol looked suspiciously like a subset of
> > Garmin's regular binary serial protocol, so (once I figured
> > cable pinouts and soldered on a DB9) I fired up the test
> > written, and sure enough, it spit out a list of supported
> > I plugged it straight into a stock Tracker2 and the activity light
> > started blinking green, showing a good fix. I piped in some
> > APRS traffic and the map screen started showing APRS stations.
> > some pictures I took (haven't tried the screen capture program
> > Map screen (2D mode): http://n1vg.net/images/nuvi-map.jpg
> > <http://n1vg.net/images/nuvi-map.jpg>
> > Waypoint list: http://n1vg.net/images/nuvi-list.jpg
> > <http://n1vg.net/images/nuvi-list.jpg>
> > Station detail: http://n1vg.net/images/nuvi-detail.jpg
> > <http://n1vg.net/images/nuvi-detail.jpg>
> > It's not perfect - the waypoint set is different, for one. You
> > that all of the cars are now up on lifts with the hood up! The
> > show up as antenna towers, at least, and the houses are there.
> > have to find out if it'll take custom symbols. Also, it seems
> > some quirks about showing waypoints at different zoom levels.
> > The Nuvi 350 has a USB port on the side and another one on the
> > base, so you can power it and plug it in to the tracker at the
> > time. When I find out how the serial interface adapter works,
> > if I can power it from the tracker, or maybe vice versa. I'll
> > about a cheaper substitute for the cable - this one cost me
> > shipping. It probably wouldn't be hard to build an equivalent
> > into a DB9 shell.
> > The bad news is that the OT2m is totally sold out right now.
> > two spares are going out for CE EMC certification shortly. The
> > producing the boards is snowed in right now and hasn't even been
> > able to
> > get the parts for the next batch - DHL's had them sitting at
> > for days. It'll probably be the end of February before I have
> > The T2-135 is shipping, albeit slowly due to limited production
> > capability here.
> > Hopefully by the time the boards come in I'll have figured out
> > the Nuvi's quirks and dealt with them. I also hope to make
some use of
> > the fleet management interface for some new features. Most
> > - it does text messaging.
> > Scott
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