On 10/12/21 7:37 AM, GAGET Alexis via Tech-talk wrote:
> Dear All,
>
> I have a MRF Timing system that is working well. I’m using Timestamp from the EPICS driver mrfioc2. I can see in my MRF IOCs that the Time provider is the “EVR”, and then all my PVs in those MRF IOCS are well timestamped.
>
> But obviously in my other IOC (soft IOC or any other device IOC), I haven’t MRF Time provider and they are using the “OS Clock” as a timestamp reference. I’d like to use the MRF Timestamp as reference for any IOCs in my system. Is there a way to do that ? declaring a new time provider from a PV ? I’ve tried to test to declare a new time provider without any success until then, if you have example it’s welcome.
>
>
>
> Sure my OS can be synchronized by NTP, but I have bad experience with NTP and I’d like to know if there is an EPICS way to do that.
The mrfioc2 driver can be configured to act as a clock provider
to a local ntpd instance. This gives a much lower jitter time
reference to the NTP daemon.
See section 7 "NTPD Time Source" in:
http://epics.sourceforge.net/mrfioc2/evr-usage.pdf
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