[LinuxPPS] How to use PPS to adjust system clock time ?

[Rodolfo Giometti]

On 16/02/2019 09:43, Ran Shalit wrote:
> 
> 
>> Is it that the linuxpps interface already attached the pps to the system clock ?
> 
>> No. A pps device simply attachs a timestamp to each arriving pulse then a
>> userland program uses these information to precisely set system clock.
> 
> One more if I may on this issue:
> Is there a way to adjust system clock (from pps) in kernel instead of doing it in userland ? How ? (I ask because I am still not sure how to do this adjustment from userland, and might find that doing it in kernel it is simpler)

Take a look here:

    http://paul.chavent.free.fr/pps.html

Ciao,

Rodolfo

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