[LinuxPPS] timepps.h (again)

Udo van den Heuvel udovdh at xs4all.nl
Wed Aug 1 17:46:38 CEST 2007


Paul wrote:
> Kernel inclusion? 

ntp-patches.

> Do the ntp maintainers know that large chunks are
> going to have to be rewritten?

Small chunks. See some patches at
http://wiki.enneenne.com/index.php/LinuxPPS_support#NTPD_support.

> Am I missing something or this just isn't going to work?

It is going to work.

> By the way some background (mostly for Udo) I couldn't use the great
> nmea patch because I am using a Jupiter GPS. NMEA messages are usually
> one second late (easy to fudge), but sometimes two seconds. All of this
> is mentioned in the jupiter_refclock (when I finally found it!) but the
> driver is totally prehistoric and of no use for any Jupiter modules
> bought today. 

Because?
You need only basic NMEA support.

> Obviously the PPS output is good, but needs another source.

You could use the ATOm driver. It has a patch.

> I may be back to you re: the atom patch, because I had one or two
> problems there.

Please see the wiki. It is not my patch but it works here quite well.

Udo



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