Re: Mode/Status not updated in shared mem mode

[Gary E. Miller]

Yo Владимир!

On Sat, 11 Jan 2025 15:31:38 +0300
Владимир Калачихин <v.kalachikhin@gmail.com> wrote:

> 09.01.2025 02:32, Gary E. Miller пишет:
> > Not all those come from your GNSS receiver.  The wind stuff comes
> > from sensors with usually no time stamp.
> >   
> 
> If the real value has a same value as the previous - it is the same 
> value. No need to update the timestamp.

Then how do you know that the value is not stale?  i.e. that it has
been updated?

> > Of course the real provlem is what is "the timeout"?  Some GNSS run
> > at 20Hz or more.  Others at once a minute, once an hour, once a day.
> > 
> > So gpsd leaves "the timeout" to the client.  No way to know what the
> > client wants.  
> 
> Of course. So the gpsdCACHE has user-defined timeouts.

Cool.

RGDS
GARY
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Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
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