[time-nuts] raspberry pi, pps & interrupts by kernel

folkert folkert at vanheusden.com
Sat Dec 13 20:58:27 EST 2014

> I tested it...and could not get it to work. gpsd opens pps0 but strace
> does not show me the regular ppsapi syscalls and also ppstest gives a
> time out.

e.g. I did an strace and I did not see any PPS_FETCHs passing by.
I verified with lsof that gpsd does have pps0 open.

> I'm probably missing something trivial here but if any other of you
> would like to give it a try please let me know (here) if and how you
> succeeded!

If this special driver is not going to work, I might try this:
maybe the pps-ldisc driver works for that.

Folkert van Heusden

Phone: +31-6-41278122, PGP-key: 1F28D8AE, www.vanheusden.com

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