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Re: [gpsd-users] TSIP driver flaky? v3.10

From: Gerry Creager - NOAA Affiliate
Subject: Re: [gpsd-users] TSIP driver flaky? v3.10
Date: Mon, 25 Nov 2013 23:24:50 -0600

Hi, Eric,

So I just had time to get back to this, and:
/dev/ttyUSB0 9600 8N1         Unknown device> No monitor matches Trimble TSIP.

Direct connect. 
Restarted gpsd looking at /dev/ttyUSB0, and then invoked cgps. It fails with a GPS timeout.

I've got a few other devices I can try this against, but they're a 6 hour drive away. I'll do those after Thanksgiving, as well as getting the Motorola Oncore dump for you.


On Mon, Nov 25, 2013 at 3:48 AM, Eric S. Raymond <address@hidden> wrote:
Gerry Creager - NOAA Affiliate <address@hidden>:
> I just downloaded and installed 3.10 manually. I'm using an older Trimble
> (trying to get minicom to give me a coherent output so I can ask exactly
> what it is... I guess I'll bring home an Ashtech or another Trimble (or dig
> out the older PVT6...) to get something more identifiable.
> ANYWAY, I've started gpsd with /dev/ttyUSB0, and then attempted to run
> gpsmon, and got the following:
> gpsd://localhost:2947         JSON slave driver>
> (81)
> {"class":"VERSION","release":"3.10","rev":"3.10","proto_major":3,"proto_minor":9}
> (172)
> {"class":"DEVICES","devices":[{"class":"DEVICE","path":"/dev/ttyUSB0","activated":"2013-11-25T04:41:21.677Z","native":0,"bps":4800,"parity":"N","stopbits":1,"cycle":1.00}]}
> (122)
> {"class":"WATCH","enable":true,"json":false,"nmea":false,"raw":2,"scaled":false,"timing":false,"split24":false,"pps":true}
> In fact, this is a change from a bit earlier, where it was claiming to have
> found TSIP at 38400, but claimed a TSIP driver failure.
> Dare I ask what I'm doing wrong?

Nothing's wrong.  You're running gpsmon in client mode rather than direct,
so the first thing it sees is the JSON hi-I'm-here emitted by gpsd when you
connect. When gpsmon achieves recognizes a packet type the display will change
to something more familiar.
                <a href="" href="" target="_blank">">Eric S. Raymond</a>

Gerry Creager
“Big whorls have little whorls,
That feed on their velocity; 
And little whorls have lesser whorls, 
And so on to viscosity.” 
Lewis Fry Richardson (1881-1953)

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