Re: Strange troubles with emulation

[Gary E. Miller]

Yo Владимир!

On Fri, 22 Jan 2021 02:51:39 +0300
Владимир Калачихин <v.kalachikhin@gmail.com> wrote:

> 22.01.2021 02:13, Gary E. Miller пишет:
> >> After this, I run `gpspipe -R -n 200 > raw.log`
> >> Result -- in the attachment.  
> > 
> > Yes.  But the problem has already come, and gone.
> >   
> >> I cut first three rows from raw.log and run `gpsfake -c 1 raw.log`
> >>
> >> I see that gpspipe -R return ok NMEA flow,  
> > 
> > Not ok.  Wrong line endings.  But this time you have good JSON.  
> 
> `gpspipe -R -n 200 > raw.log` created wrong line endings?

Dunno,  I'll look later.  What matters is you got gpsd JSON, that should
be what you want.  Right?

> >> gpspipe -w return:
[...]
> > Looks good.
> > 
> > So what again is your problem now?
> >   
> 
> If you looked at the raw.log You would see cycled repetition of 
> sentences RMC GGA VTG GSA. Not "no fix" case present.
> But JSON TPV has "mode":1 and "mode":3 alternately.

Look again.

    "mode":1 means No FIX.
    "mode":3 means 3D FIX.

This is expalined in "man gpsd_json" or online here:

    https://gpsd.io/gpsd_json.html

Scroll down to the "TPV" section.

I have not updated that page to .adoc yet.

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

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