[LinuxPPS] PPS SC16IS7X2

[Igor Plyatov]

Hi Nial!
>
>
>
> Hi Igor,
>
> > Please be aware, because you will have big jitter between real PPS
> > signal and registered event. All this problems related to sloth nature
> > of I2C bus and its kernel driver (especially if UART does not have
> > hardware IRQ line).
> >
>
> Ok. Thanks. It will still be better than just relying on the NMEA data 
> though won't it?

Yes, it will be better.
But first of all you need to specify application area for the PPS 
synchronization (home clock/seismology/NTP server/else).
If for example, you want to achieve some tens or hundreds microseconds 
accuracy for clock, then you effort is useless with I2C.

> Thanks,
> Nial

Best regards!

-- 
Igor Plyatov