Additional pps-gpio

[Achim Gratz]

Trevor N. via devel writes:
> If you're also going to test on a PC, you might be interested in
> a Linux parallel port PPS driver I modified a while back to add
> low-latency loopback echo and a mode that uses polling instead of
> interrupts for pulse capture. Also, on load the driver measures IO
> speed.  Total capture latency can then be estimated with an external
> time interval counter.  I just placed the driver on github at 
>
> https://github.com/retroman/pps_parport_polled
>
>
> I will eventually upload some measurements I took with various
> machines.

Oh goody, I was having a similar idea after poring over the code last
weekend.  Do you have any measurement results from this?


Regards,
Achim.
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