Hi Florian,
I think you can probably do what you want with the aCalcOut record from synApps. I have not tried it.
https://epics.anl.gov/bcda/synApps/calc/aCalcoutRecord.html
Mark
________________________________
From: Tech-talk <tech-talk-bounces at aps.anl.gov> on behalf of Florian Feldbauer via Tech-talk <tech-talk at aps.anl.gov>
Sent: Thursday, June 10, 2021 5:00 AM
To: tech-talk at aps.anl.gov
Subject: Writing to Waveform from CALC
Hey all,
I have a question regarding waveform records. So far I never really
worked with waveform or any other array-type record.
The Situation is:
- Our DAQ collects the data coming from our Pixel sensor.
- Every 10s an IOC reads the stored data and fills a waveform record
with the hits (index of array = pixel, value = number of hits in the run)
- I use an image widget in Phoebus to display the hit map of the pixel
sensor
Now, for testing the sensors after bonding, we can perform charge
injections to individual pixels. We can also mask individual pixels if
they are too noisy.
As we need to always send the information for all pixels to the sensor,
I thought about using a second waveform record holding the per pixel
configuration.
Using the cursor X/Y PVs from the image widget in phoebus I could select
a pixel I want to inject a charge for testing (or I want to mask b/c
it's noisy) and get calculate the index within the waveform record from
these two PV's using a CALC record.
So now my actual question: Let's say I want to mask pixel 42, is it
possible to just write to val[41] from my config waveform record from a
CALC(OUT) record without touching the other values of the array?
Cheers,
Florian
--
Ruhr-Universität Bochum
AG der Experimentalphysik I
Dr. Florian Feldbauer
NB 2/131 / Fach 125
Universitätsstr. 150
D-44801 Bochum
Office: NB 2/134
Phone: (+49)234 / 32-23563
Fax: (+49)234 / 32-14170
https://paluma.ruhr-uni-bochum.de
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- Writing to Waveform from CALC Florian Feldbauer via Tech-talk
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