Experimental Physics and Industrial Control System
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Mark Rivers wrote:
When I process the genSub record, which triggers
the write to those fields, the TIME field of the asynRec is updated.
That is incorrect behavior, writing to the TMOD or NOWT fields should NOT cause the TIME field to update, because those fields are not defined as PP (Process Passive). When I test modifying those fields with dbpf the TIME field does NOT update:
Since I didn't say TIME changed with dbpf, I'm not surprised at your
results.
I suspect that perhaps you have the attribute PP on your gensub links for the TMOD and NOWT fields, while those should actually be NPP. But I still don't understand why the fields would not update.
Yes, the links from the genSub record are PP. That may be unnecessary,
but, as you say, it doesn't explain why the fields won't update. If
there were a bug in my genSub processing routine, then when I re-link
the output to a longin record instead of NOWT it should also fail. Yet
it succeeds. Very puzzling.
- Replies:
- RE: asynRecord immutable fields Mark Rivers
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- Re: asynRecord immutable fields Eric Williams
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ANJ, 02 Sep 2010 |
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