Re: open SHM data only after cgps start

[David Taylor]

On 05/02/2021 09:55, Hans Kurscheidt wrote:
> Thanks David,
>
> YES, got it to work. Had to create all these systemd stuff, put it in
> the right directories and cp the gpsd exec from /usr/local/sbin to
> /usr/sbin.
>
> Unfortunately, I now running into another prob.
>
> I recompiled my source w/ what I believe is the new gps.h file Version
> 10.1 and I'm getting now compilation errors due to a changed read_gps()
> function, which requires more arguments as in 3.16
>
> Where can I find uptodate documentation of how to interface gpsd from a
> cpp program?
>
> RGDS
>
> hk

Hans,

I haven't checked the gps.h header number.

I had similar interface problems as the gpsd versions kept changing, and 
all I can offer is my program which was adapted for up to gpsd 22.

  https://www.satsignal.eu/raspberry-pi/monitoring.html#gps

Perhaps that helps?

Cheers,
David
--
SatSignal Software - Quality software for you
Web: https://www.satsignal.eu
Email: david-taylor@blueyonder.co.uk
Twitter: @gm8arv