[LinuxPPS] PPS driver for ISA bus
Rodolfo Giometti
giometti at enneenne.com
Wed Oct 24 08:58:32 CEST 2007
On Wed, Oct 24, 2007 at 01:21:22PM +1000, Cirilo Bernardo wrote:
> Is there any value in writing a PPS driver for ISA bus interrupts? I
> happen to have a piece of hardware that does this and it would be trivial
> to implement such a driver (since Rodolfo has already done all the hard
> work).
>
> I imagine 2 such drivers - one which works with any generic ISA
> interrupt, and this may be useful when connected to a timing standard. It
> won't quite work with my hardware because the PPS is meaningless until
> locked to a GPS signal. For my hardware I can easily implement a
> specialized driver which will only generate PPS events when there is a GPS
> lock. Thanks to other discussions on this list, it is also possible for
> me to design the specialized driver to plug into gpsd.
>
> I think this would slowly help build up PPS drivers in addition to the
> current serial DCD driver.
>
> Any comments?
No, even if I don't understand exactly what you need. :)
Please, feel free to submit your patches.
Ciao,
Rodolfo
--
GNU/Linux Solutions e-mail: giometti at enneenne.com
Linux Device Driver giometti at gnudd.com
Embedded Systems giometti at linux.it
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