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Subject: |
Re: pvget to an _output_ record |
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From: |
[email protected] (Jeff Hill) |
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Date: |
Mon, 5 Dec 94 11:57:32 MST |
>
> It turns out that we have a situation where a pvget directed to
> an ouptput record needs to do some processing (read the actual
> device) rather than simply return the restored value.
>
Perhaps you will want to implement an AI device interface for your
AO device (in addition to the normal AO device interface).
>
> I see that the record structures include entries for things like:
> long rbv; /* Readback Value */
> long orbv; /* Prev Readback Value */
> etc
>
> but it's not clear how these values get set and who uses them. Or even if
> they are applicable to the problem.
>
This is used to restore the database value for AO devices from the
hardware during iocInit.
Jeff
______________________________________________________________________
Jeffrey O. Hill Internet [email protected]
LANL MS H820 Voice 505 665 1831
Los Alamos, NM USA 87545 FAX 505 665 5107
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