[LinuxPPS] RFC: IRQ/GPIO client

[Ricardo Martins]

Hi,

On 6 December 2010 10:15, Francois Retief <fgretief at gmail.com> wrote:
> Hello,
>
> On 3 Dec 2010 21:58:20, Ricardo Martins wrote:
>> Hi,
>>
>> Is there any interest in having a PPS client that uses specific
>> hardware interrupts (eg. interrupts triggered by GPIOs) ?
>
>>
>> Regards,
>> Ricardo Martins
>
> Yes.
>
> I have a client that want to use the PPS signal from an RTC to keep their
> embedded ARM processor's time in sync.
>
> Their device will connect to the net only every other day to do an NTP sync
>
> and in the mean time they want to use the temperature compensated PPS signal
> from the RTC (EM3027 from EM Microelectronic) to be keep the time. The PPS
> signal will be connected to one of the GPIOs of the ARM.
What do you think about this quick&dirty patch ?

>
>
> Cheers
>   Francois
>
>
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