Re: Help needed to configure and compile gpsd to run on a Raspberry Pi 4 and NOT use systemd

[Frank Nicholas]

I believe PPS just gives you the “0”/start of each second.  How do you get the 
actual time it is reporting the “0”/start of?

Thanks,
Frank

> On Nov 13, 2024, at 11:38 AM, tangoing.mill745@aceecat.org wrote:
> 
> On Tue, Nov 12, 2024 at 09:28:31PM GMT, Mick Durkin wrote:
> 
>> My son wanted to have a timeserver on his internal network, so he
>> decided to go down the path of using a ublox type GPS module with a
>> serial interface and a PPS signal driving gpsd on a Raspberry Pi 4.
> 
> I promise this will be the last time I say this here, but clearly
> this is relevant to the OP situation.
> 
> gpsd is *not needed* to use a PPS source with Linux and chrony, and
> that includes the Raspberry OS. Just add a line like this to
> chrony.conf:
> 
>   refclock PPS /dev/pps0 refid PPS0
> 
> I do not know if other ntp implementations like ntpsec have something
> similar, but I doubt it.
> 
> -- 
> Ian
>