[ntp:questions] Re: Using PPS without Linux Nanokernel ?

David Schwartz davids at webmaster.com
Mon Nov 24 02:28:12 UTC 2003


"Brian Frantz" <bfrantz at grc.nasa.gov> wrote in message
news:qF4wb.12292$P%1.10712862 at newssvr28.news.prodigy.com...

> Does anyone know if it is possible to use PPS with a stock Linux 2.4.x
> kernel without applying the nanokernel mods included in the PPSkit ?

    Yes, definitely.

> In other words, I just want to patch the serial driver to support
> the PPS interface and include the timepps.h file.

    That you really can't do, however you don't need the PPS interface just
to use a PPS input, stock Linux has TIOCMIWAIT, which is adequate for PPS.

http://www.webchat.org/~jk/shm_linux_clock.c

    DS





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