one more thing which may be the problem. i have the bios set for serialport config for 3f8 irq4 for com1.
david taylor's doc shows cuaa0, however all i have is cuad0. what/why? this hardware worked perfectly with the gps under linux so i know it is something to do with freebsd/serial port config i just know so little about freebsd and how it discovers/inits devices it is difficult at best. On Friday 26 October 2007, Chuck wrote: > i just put together a test time server to see how much better freebsd handles > gps pulses compared to linux/gpsd... > > i followed the online document at > > http://www.david-taylor.myby.co.uk/ntp/FreeBSD-GPS-PPS.htm > > ntpq does not show any attempts at polling the pps: > > GPS_NMEA(1) .PPS. 0 l - 16 0 0.000 0.000 4000.00 > > yet ntpdc -c kern appears to be using the pulse: > > pll offset: -3.766e-06 s > pll frequency: 54.280 ppm > maximum error: 1.08071 s > estimated error: 0.001464 s > status: 2107 pll ppsfreq ppstime ppssignal nano > pll time constant: 6 > precision: 1e-09 s > frequency tolerance: 496 ppm > pps frequency: 54.280 ppm > pps stability: 0.052 ppm > pps jitter: 8.03e-07 s > calibration interval: 64 s > calibration cycles: 89 > jitter exceeded: 97 > stability exceeded: 0 > calibration errors: 7 > > > this machine has not been running long so there will be considerable > errors/offsets/jitter i would think. > > in david taylor's document it shows sample ntpq -p outputs and his polling > counts up. > > any clues what i may be doing wrong? using the utility that is for the garmin > gps18 on a windoze machine, it shows satellites, 3d lock and is functional. > the unit is configured to deliver pps, pps auto off is on so it wont send > pulses with no satellite lock. pulse width is 100ms, baud is the default > 4800, and the pg* statements are turned off. > > > > > -- > > Chuck > > > > _______________________________________________ > timekeepers mailing list > [email protected] > https://fortytwo.ch/mailman/cgi-bin/listinfo/timekeepers > -- Chuck "...and the hordes of M$*ft users descended upon me in their anger, and asked 'Why do you not get the viruses or the BlueScreensOfDeath or insecure system troubles and slowness or pay through the nose for an OS as *we* do?!!', and I answered...'I use Linux'. " The Book of John, chapter 1, page 1, and end of book _______________________________________________ timekeepers mailing list [email protected] https://fortytwo.ch/mailman/cgi-bin/listinfo/timekeepers
