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Re: [gpsd-users] RTC DS3231 and wrong time at startup
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From: |
Gary E. Miller |
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Subject: |
Re: [gpsd-users] RTC DS3231 and wrong time at startup |
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Date: |
Sat, 17 Aug 2019 19:10:10 -0700 |
Yo Massimiliano!
On Sat, 17 Aug 2019 21:05:45 +0200
Massimiliano Fago <address@hidden> wrote:
> I have add to one hardware RTC DS3231 to my system. It working fine
> on i2c connection.
How do you know? Do you know your system starts and set system time to
the RTC time?
> I think that I have a wrong parameter in /etc/ntp.conf file, because
> when I start my system and gps is not ready, the system time was
> changed in a wrong time.
How wrong?
> here my /etc/ntp.conf
>
> # GPS PPS reference (NTP1)
> server 127.127.28.1 minpoll 4 maxpoll 4 prefer true
> fudge 127.127.28.1 refid PPS
> fudge 127.127.28.1 flag1 1
>
> # GPS Serial data reference (NTP0)
> server 127.127.28.0 minpoll 4 maxpoll 4
> fudge 127.127.28.0 time1 0.9999 refid GPS
Uh, where are your other NTP chimers? NTP prefers voting, so at least 3
other chimers should be in your ntp.conf.
What time does your GPS say when it is not ready? Is gpsd thinking your
GPS is sending a good time when it is not?
RGDS
GARY
---------------------------------------------------------------------------
Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
address@hidden Tel:+1 541 382 8588
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"If you can't measure it, you can't improve it." - Lord Kelvin
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