Experimental Physics and Industrial Control System
Hi Bruce,
On 2012-05-31 Bruce Hill wrote:
>
> My concern was that overloading the TSE field to contain EVR Event codes
> would be inappropriate for a module like asyn that is used by many sites
> that don't use EVR's.
The TSE and TSEL fields were originally /designed/ for use with timing system
event codes. The Record Reference Manual describes the TSE field thus:
This indicates the mechanism to use to get the time stamp. '0' - call
get time as before '-1' - call the time stamp driver and use the best
source available. '-2' - the device support provides the time stamp
from the hardware. Values between 1-255 request the time of the last
occurrence of a generalTime event.
https://wiki-ext.aps.anl.gov/epics/index.php/RRM_3-14_dbCommon
I agree that this mechanism is not currently much use on systems that don't
use an event timing system, although it would be quite feasible to write a
plugin for the generalTime event subsystem that provides global event times
from UDP packets.
- Andrew
--
Never interrupt your enemy when he is making a mistake.
-- Napoleon Bonaparte
- Replies:
- Re: Proposed change in asyn - request for comments Williams Jr., Ernest L.
- Re: Proposed change in asyn - request for comments Bruce Hill
- References:
- Proposed change in asyn - request for comments Mark Rivers
- RE: Proposed change in asyn - request for comments Kim, Kukhee
- Re: Proposed change in asyn - request for comments Bruce Hill
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