[LinuxPPS] PPS next steps...
Udo van den Heuvel
udovdh at xs4all.nl
Fri Feb 6 16:27:11 CET 2009
Rodolfo Giometti wrote:
>> Let me turn it around... what do you think "cat /dev/pps0" should do?
>
> It, eventually, should return pps0 raw data as byte stream.
>
>> Currently it returns -EINVAL.
>
> Which not break read(2) semantic at all. :)
>
>> I'd like it to print something that cound be fed into perl or gnuplot.
>
> f you wish doing something like this, you can do a userland filter
> which interprets PPS data and print out them into human readable form,
> but you cannot ask the kernel to it for you since doing like this you
> are implementing policies and not mechanism as old UNIX school
> teach. :)
OK, as long as the PPS stream is usable, etc...
Rodolfo, can you accept Georges patches into git?
I guess it's important to test out the changes as much as possible.
I am compiling for i386 on VIA EK8000 (C3-2 cpu).
Kind regards,
Udo
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