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Re: gpsd:RAW: PPS:/dev/pps0 Assert pps-detect invisible pulse

From: Gary E. Miller
Subject: Re: gpsd:RAW: PPS:/dev/pps0 Assert pps-detect invisible pulse
Date: Sat, 2 Oct 2021 12:27:45 -0700

Yo Michael!

On Sat, 2 Oct 2021 12:04:51 +0200
Michael Byczkowski <> wrote:

> Since at least the latest git version of gpsd, I’m seeing invisible
> PPS pulse log entries in ntp.log (those weren’t there before):

Dunno why that would be in your ntp.log.  And that is a problem mwhy?

That is because of the gpio_pps module, and how you configured it.
By default gpio_pps only reports one edge.

Nothing gpsd can do about how your kenel is configured.

Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703  Tel:+1 541 382 8588

            Veritas liberabit vos. -- Quid est veritas?
    "If you can't measure it, you can't improve it." - Lord Kelvin

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