[LinuxPPS] ntpd configuration with local clock and pps

Harun Alasar harunalasar at gmail.com
Tue May 26 08:15:09 CEST 2009


But I don't have a NMEA source.. I want to use only local system clock and a
pps source to synchronize time. Is it possible ?

On Fri, May 15, 2009 at 6:43 PM, Udo van den Heuvel <udovdh at xs4all.nl>wrote:

> Harun Alasar wrote:
>
>> I also added some printfs to ntpd source(only refclock_atom.c) for
>> debugging and verified that ntpd can open the device and fetch data from it.
>> But ntpq> associations command says that pps source is rejected by ntpd.
>> What could be the reason for that ? Thank you.
>>
>
> How does ntpd know what timestamp belongs to the pps?
> Add NMEA, at least.
>
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