Experimental Physics and Industrial Control System
|
Subject: |
Re: Setting an IOC clock from the vxWorks shell |
From: |
Ralph Lange <[email protected]> |
To: |
EPICS Tech Talk <[email protected]> |
Date: |
Wed, 28 Feb 2007 11:48:08 +0100 |
Just for completeness:
It is intended to include timestamp synchronisation into the next
release of EPICS base - things were just coming into place too late for
3.14.9.
It will most probably be based on generalTime and the work done at the
SLS (Timo et al.). Integration and tests are still to be done.
Cheers,
Ralph
Thompson, David H. wrote:
Timo, Sheng Peng, and I have been collaborating on a package that
loads onto an IOC that may help you. It replaces the NTP client in
iocClock with a system that provides for multiple time providers on an
IOC, one of which is the vxWorks clock. The vxWorks clock is set
periodically when NTP or a better time provider is available. It
supports hardware timing systems as well. One of the things it does
is fall back to internal timekeeping if the NTP server fails, all
transparently.
You can get it at http://ics-web1.sns.ornl.gov/share/generalTime.tar.gz.
There were presentations on it at the APS and SLAC EPICS meetings.
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ANJ, 10 Nov 2011 |
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