Experimental Physics and
Industrial Control System

<[email protected]> · Thu, 4 Sep 2014 11:43:57 +0000

That file does not exist in our streamDevice module, so the issue seems to be with the build of that module.  Apparently there are some optional dependency settings in the release file which change the build which the module owner here was unaware of.

Thanks Marty,

Linda

-----Original Message-----
From: Martin L. Smith [mailto:[email protected]] 
Sent: 04 September 2014 12:17
To: [email protected]
Subject: Re: scalcout with streamDevice - request for guidance and example

Hi Linda,

Looks like the scaclcout for streamDevice is defined in the top streamDevice dbd area rather than in the calc support.

streamApp.dbd:device(scalcout,CONSTANT,devsCalcoutSoft,"Soft Channel")
streamApp.dbd:device(scalcout,INST_IO,devscalcoutStream,"stream")
streamSynApps.dbd:device(scalcout,INST_IO,devscalcoutStream,"stream")

So it is likely that in your Makefile you will need to include the dbd streamSynApps.dbd

Marty

On 09/04/2014 05:24 AM, [email protected] wrote:
> I am trying to use an scalcout record with a stream device protocol  
> and  I need to capture a string value  in one of the string fields.  I 
> already have calcout records working to do an equivalent job to 
> capture a numeric field.  The protocol makes use of the field name syntax to access the record letter fields.
>
> The stream device online manual states scalcout  records are allowed 
> since v2-1 and work since 2-6-1 of calc module, the IOC is built for 
> linux-x86 with streamDevice v2-5dls2, v3-1 of calc, with v2-8-1 of 
> sscan and v1-8dls2-9 of genSub under EPICS R3.14.11 and I have added 
> dbd and library entries to the Makefile for these modules.
>
> I copied my functioning calcout record (with DTYP stream), changed it 
> to scalcout and edited it to call the protocol.
>
> dbLoadRecords results in the following error message for the scalcout records:
>
> Can't set "TS-VA-TURBO-03:GET:PARAM:DATATYPE4.DTYP" to "stream"
>
> Examining the built dbd file I can find
>
> device(calcout,CONSTANT,devCalcoutSoft,"Soft Channel")
>
> device(calcout,CONSTANT,devCalcoutSoftCallback,"Async Soft Channel")
>
> device(calcout,INST_IO,devcalcoutStream,"stream")
>
> device(scalcout,CONSTANT,devsCalcoutSoft,"Soft Channel")
>
> It appears that only Soft Channel DTYP is available to scalcout.  Was 
> it wrong of me to expect DTYP stream to be available or am I missing 
> something from the IOC or module builds?
>
> Is there a working example of scalcout and stream being used together I can look at?
>
> Thanks,
>
> Linda
>
>
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Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System