Subject: Re: ntpd problems with GPS receiver under NetBSD-amd64
To: Jonathan Stone <jonathan@dsg.stanford.edu>
From: Matthias Drochner <M.Drochner@fz-juelich.de>
List: tech-net
Date: 02/04/2005 13:48:06
jonathan@dsg.stanford.edu said:
> Alternatively, and I beleieve supported on FreeBSD, is to hook up the
> PPS signal to a parallel-port lead

This should work in NetBSD (>=2) too, through the "pps at ppbus"
device.

> you can only get
> notification of a single edge

Afaik it is technically possible to get the falling edge too
with these newer parallel port modes (ECP or EPP or so).
It isn't implemented in the pps driver yet.

best regards
Matthias