Re: [Gpsbabel-misc] Garmin documents A602 and A603 in Fleet Management Spec...

[Robert L. <rob...@us...>]

> My Street Pilot c340 reports some protocols that GPS Babel didn't
> seem to know about.

Since it's not in their core protocol spec, that's not terribly surprisin=
g to
me.
This is the first I've heard of this other spec.


> The documentation says that these protocols are only available via
> RS-232.  For the Street Pilot c340, this requires a Garmin 010-10813-00=

> "Mini-B to Serial Pigtail Data Cable":

C340 has USB host mode?   Really?   There must be some magic in this cabl=
e.
I wonder if C340 actually has 232 hardware internally and just enables th=
e
tristate latches upon detection of a pull-up/down on the cable.  Some oth=
er
GPS vendors do similar tricks.

> I was wondering if it would be possible for GPSBabel to support
> uploading routes using the A602 or A603 "Stop" protocol since A2xx isn'=
t
> supported?

I would be likely to accept a patch (that met our requirements, of course=
) =

that added such support.

Frankly, I probably wouldn't develop support for it myself on the house. =
One =

request of a feature that is obviously intended for commercial ("fleet") =
use =

for hardware that I don't have just doesn't make sense.

> I'm also puzzled as to why the c340 A101, Waypoint Category Transfer
> reports 3 data types, including D210, a route link data type.  Is this =
a
> misreporting of A201?  I found the same supported protocol data table i=
n


Garmin's category support is pretty clearly an afterthought in their
protocol.
It interacts in weird ways with the others.

RJL