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Re: [gpsd-dev] [PATCH] [RFC] gpsmon: add PPS monitoring at -D2 debug lev

From: Greg Troxel
Subject: Re: [gpsd-dev] [PATCH] [RFC] gpsmon: add PPS monitoring at -D2 debug level
Date: Fri, 01 Nov 2013 19:24:33 -0400
User-agent: Gnus/5.130006 (Ma Gnus v0.6) Emacs/23.4 (berkeley-unix)

Andy Walls <address@hidden> writes:

> IIRC gpsd has code in it to guess the proper edge based on the
> relative lengths of the assert and deassert periods.  PPS pulses are
> short so the beginning edge of the short period should be it.

Exactly.  But it's interesting to know which is which, for configuring
ntpd, which does not do this auto-sensing.  So I'd like the debug output
to print out which way gpsd thinks the pulse is working.

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