Experimental Physics and
Industrial Control System

Mark Rivers via Tech-talk <tech-talk at aps.anl.gov> · Tue, 7 Jul 2020 15:31:55 +0000

Hi Adrian,

One simple explanation for what you are seeing would be that your driver is not calling the following:

doCallbacksInt32Array(value, nElements, reason, addr)

If your driver does not call that function when the array changes then records with SCAN=I/O Intr will not update.

Mark

________________________________
From: Tech-talk <tech-talk-bounces at aps.anl.gov> on behalf of Adrian Martinez via Tech-talk <tech-talk at aps.anl.gov>
Sent: Tuesday, July 7, 2020 5:17 AM
To: tech-talk at aps.anl.gov
Subject: Array PV doesn't update in CSS BOY

Hi, I have an Asyn driver and one of the PV (asynInt32ArrayIn) doesn't update in CSS BOY.
If you run the opi, the PV gets values but never update them again ( unless the opi is updated) .

I attach the PV in .db file:
record(waveform, "$(user):DInILKArrayPreRdbk")
{
field(DTYP, "asynInt32ArrayIn")
field(INP  ,"@asyn($(PORT),$(ADDR),$(TIMEOUT))DInILKArrayPre")
field(SCAN ,"I/O Intr")
field(FTVL, "ULONG")
field(NELM, "512")
field(PINI, "YES")
field(DESC ,"Interlock status array")
}

This PV is used by a widget, which runs a script, being my PV an 'input PV'.

Can anyone help me with this?

Thanks, Adrián.

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Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System