Date: Sat, 25 Nov 2006 05:20:50 +0200 From: Bo Granlund <granbo@tonnikala.org> To: freebsd-usb@freebsd.org Subject: USB GPS receiver as reference clock Message-ID: <20061125032050.GA17442@sushi.tonnikala.net>
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Hi, I have in my posession a Globalsat BU-353 GPS receiver that I would like to use as a NMEA time reference with Freebsd ntpd. The device identifies with freebsd as: ugen0: Prolific Technology Inc. USB-Serial Controller, rev 1.10/3.00, addr 2 I'm running 6.2-RC1. I have tried to search with google for hints howto configure this device with ntpd. I have the following /etc/ntp.conf: ------8<--------8<--------8<--------8< enable stats monitor pps server 127.127.20.1 driftfile /etc/ntp/ntp.drift logconfig +clockall ------8<--------8<--------8<--------8< As far as I understand this 127.127.20.1 uses nmea and tries to open /dev/gps1 device for NMEA output. What device file should I link /dev/gps1 to, and if it doesn't exist, how do I create it? Any hints will be greatly appreciated. I hope this is not simply a matter of RTFM since I have searched the net quite extensively for any hints. :) kind regards, Bo Granlund
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