[LinuxPPS] Recommendation / Re: Stats & architectures

[Rodolfo Giometti]

On Thu, Mar 13, 2008 at 09:11:07AM -0000, Robert Jenkins wrote:
> 
> To my understanding of the situation, HARDPPS is not part of the kernel code
> in the present (V5.x ?) PPS API.

Yes.

> The kernel code stores timestamps the PPS signal edge transitions and the
> NTPD pps code in whatever refclock uses these timestamps to do the rest of
> the work.

Yes.

> The last kernel supported by the 'ppskit-lite' patch (which included Hardpps
> capability) was around 2.6.17
> As far as I understand it, the author of those patches stopped producing
> them as kernel changes repeatedly messed the system up.
> 
> You'd have to talk to him (Ulrich Windl), Rodolfo Giometti & the NTP guys
> for the technical reasons behind the changes, I'm just a user.

I didn't implement HARDPPS simply because I didn't need it. However
patches are welcomed! :)

I suppose you shouldn't need to much efforts in getting the HARDPPS
support from Ulrich Windl's code and move it into LinuxPPS.

Ciao,

Rodolfo

-- 

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