Re: [gpsd-dev] writing commands to the gps

[Gary E. Miller]

Yo Felipe!

On Thu, 30 Aug 2018 11:34:50 +0200
Felipe Gutierrez <address@hidden> wrote:

> I have a Module u-blox NEO 6M on my raspberry Pi B3. I think the
> driver it is using is the ubx [1] (I don't know how to reference the
> source code from [2]). My first guess was to look at the "write"
> functions, like ubx_write, gpsd_write.

Those are the low-level functions, look to the functions that call those
functions.  Like ubx_event_hook().

But gpsd does not send a lot to a GPS, it expect the GPS is in a good
factory default configuration.

> I also don't know how to see the commands on the debug mode. I
> changed the gpsd initiation for Debug level 3 "gpsd -n /dev/serial0
> -D3 -F /var/run/gpsd.sock", but where can I see the debug messages?

You missed the -N flag.  Try something like thisL

# gpsd -nND3 /dev/serial0

There will be a lot to see, the messages you want start like this:

=> GPS: UBX 

RGDS
GARY
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Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
        address@hidden  Tel:+1 541 382 8588

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