Experimental Physics and
Industrial Control System

Andrew Johnson <[email protected]> · Fri, 10 May 2013 11:31:47 -0500

Hi Zenon,

On 2013-05-10 Zenon Szalata wrote:
> zms@esaanal2 $ caput ESA:LO:SC:2531-21:CH1:MAXV-WR:DATA 100
> Old : ESA:LO:SC:2531-21:CH1:MAXV-WR:DATA 50
> New : ESA:LO:SC:2531-21:CH1:MAXV-WR:DATA 100
> 
> and the Text Control immediately showed the new value.  From now on it
> will work just fine until the IOC is restarted.
> I suspect that part of the problem is how I am initializing these Text
> Control widgets.  At this point I am still struggling with the fact that
> after the IOC is started, the PV in question has the correct value which
> comes from a register in the hardware and is represented incorrectly in
> the EDM Text Control widget.

Is something writing this value directly to the record's VAL field after 
iocInit but without processing the record?  Since the DTYP said "Soft Channel" 
it didn't occur to me that something else might be modifying the fields 
directly, which would explain the issue (it shouldn't be doing that).

- Andrew
-- 
It is difficult to get a man to understand something, when his salary
depends upon his not understanding it. -- Upton Sinclair

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System