Experimental Physics and
Industrial Control System

"[email protected]" <[email protected]> · Thu, 31 May 2018 14:11:00 +0000

From: Jörn Dreyer [mailto:[email protected]]
> 
> 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.

Perhaps the OUT field is misnamed: instead for waveform it just means "data", and it's up to the device support to decide how to treat it.  You can even read the data some of the time and write at other times (yes, occasionally this makes sense).

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Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System