Experimental Physics and
Industrial Control System

Mark Rivers <[email protected]> · Thu, 31 May 2018 14:00:17 +0000

You also have OUT where it must be INP even for output records.

Sent from my iPhone

> On May 31, 2018, at 8:57 AM, Mark Rivers <[email protected]> wrote:
> 
> You have a typo in your DTYP.
> 
> Sent from my iPhone
> 
>> On May 31, 2018, at 8:28 AM, Jörn Dreyer <[email protected]> wrote:
>> 
>> Hi Mark and Michael,
>> 
>> her is how I configured the waveform record:
>> 
>> record(waveform, $(P)$(R)$(I):DelayTimeA) {
>> field (DESC,    "Delay of channel A")
>> field (DTYP,    "asnyInt32ArrayOut")
>> field (OUT,        "@asyn($(PORT), 0, 100) DELAYTIMEA")
>> field (FTVL,    "LONG")
>> field (NELM,    "256")
>> }
>> 
>> At IOC startup I get the following error message:
>> 
>>> Can't set "XXX:Test1:DelayTimeA.DTYP" to "asnyInt32ArrayOut"
>>> Error at or before ")" in file "db/Delay.db" line 355
>>> Record "XXX:Test1:DelayTimeA" does not have a field "OUT"
>> 
>> This somehow contradicts the information. And the record reference manual 
>> defines also onle the INP field for the waveform record.
>> 
>> Regards,
>> 
>> Jörn
>> 
>> Am Donnerstag, 31. Mai 2018, 15:01:35 CEST schrieb Mark Rivers:
>>> Hi Jörn
>>> 
>>>> The waveform record supports only INP direction.
>>> 
>>> The devAsynInt32Array.dbd file defines both input and output.
>>> 
>>> 
>>> corvette:asyn/asyn/devEpics>more devAsynInt32Array.dbd
>>> device(waveform,INST_IO,asynInt32ArrayWfIn,"asynInt32ArrayIn")
>>> device(waveform,INST_IO,asynInt32ArrayWfOut,"asynInt32ArrayOut")
>>> 
>>> Your waveform record would use DTYP="asynInt32ArrayOut".
>>> 
>>> 
>>> Mark
>>> 
>>> 
>>> 
>>> ________________________________
>>> From: [email protected] <[email protected]> on
>>> behalf of [email protected] <[email protected]> Sent:
>>> Thursday, May 31, 2018 7:54 AM
>>> To: 'Jörn Dreyer'; [email protected]
>>> Subject: RE: Transfering array of 256 elements to driver
>>> 
>>> From: [email protected] [mailto:[email protected]]
>>> 
>>>> I'm working on a driver that needs to set 256 values into one hardware
>>>> register. What type of database record should I use for this purpose?
>>>> 
>>>> The waveform record supports only INP direction.
>>> 
>>> In fact this is not so: you can write in either direction when processing
>>> the record, it's up to the device driver to decide whether to push or pull
>>> waveform data, so the waveform record will be what you need.
>>> 
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>> 
>> 
>> -- 
>> Dr. Joern Dreyer
>> HIBEF DAQ + Controls
>> Institut für Strahlenphysik
>> Helmholtz-Zentrum Dresden - Rossendorf e.V
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Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System