Yo Chris! On Mon, 21 May 2018 13:55:23 -0500 "Chris Caudle" <[email protected]> wrote:
> On Mon, May 21, 2018 1:52 pm, Chris Caudle wrote:
> > On Mon, May 21, 2018 1:19 pm, Gary E. Miller wrote:
> >> Now, how to I tell the Linux kernel to apply that correction?
> >
> > Have the PPS driver accept the correction before logging the PPS
> > timestamp.
>
> Or just have the PPS driver log the raw timestamp, then have the PLL
> engine in ntpd incorporate the corrections into the math of the
> control loop. Presumably ntpd will be getting the information passed
> in from gpsd, so the clock control daemon should have the correction
> information in plenty of time before the next PPS pulse gets logged.
I look forward to your patch!
RGDS
GARY
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Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
[email protected] Tel:+1 541 382 8588
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