Experimental Physics and
Industrial Control System

Andrew Johnson <[email protected]> · Fri, 2 Jul 2010 17:02:57 -0500

Hi Zen,

On Friday 02 July 2010 16:38:10 Szalata, Zenon M. wrote:
> I have a waveform and an aSub records.  I want to transfer data from the
> waveform to the aSub record and I am having difficulties with that.
>
> Here is my (simplified) waveform record:
>
> record( waveform, "$(P):WF:REQUEST"){
>   field( DESC, "struct for request")
>   field( FTVL, "CHAR")
>   field( NELM, "132")
>   field( FLNK, "$(P):AS:REQUEST")
> }
>
> and here is my aSub record:
>
> record( aSub, "$(P):AS:REQUEST"){
>   field( DESC, "struct for request")
>   field( INAM, "asInitialize")
>   field( SNAM, "asRequest")
> #  field( INPA, "(P):WF:REQUEST")
>   field( FTA,  "CHAR")
>   field( NOA,  "132")
>   field( FTVA, "UCHAR")
>   field( NOVA, "132")
> }
>
> When I process the waveform record, the asRequest routine gets called when
> the INPA field is commented out.  However, when I uncomment the INPA field,
> asRequest routine no longer gets called when the waveform record is
> processed.  Looking at the TIME field in the aSub record I can tell that
> the records is getting processed each time I process the waveform record,
> regardless if the INPA field is commented out or not.

Please send us a level 2 dbpr of the aSub record, I'd like to see if it's in 
an alarm of any kind and to check some of the other fields.

> Is it not allowed to transfer array of bytes from one record to another?
> Is there a way to make that kind of data transfer?

You should be able to do exactly what you're trying, I don't see anything 
obviously wrong with your setup.  What architecture are you using, and are you 
sure that everything has been compiled and linked using compatible binaries?

- Andrew
-- 
The best FOSS code is written to be read by other humans -- Harald Welte

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System