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<== Date ==> <== Thread ==>

Subject: Re: How to write multi value in a caput message?
From: "Pearson, Matthew R." <[email protected]>
To: PilkyuJung <[email protected]>
Cc: "[email protected] list" <[email protected]>
Date: Tue, 31 Jan 2017 14:54:35 +0000
Hi,

There’s documentation on how to do this on the streamDevice tips & tricks page:
http://epics.web.psi.ch/software/streamdevice/doc/tipsandtricks.html

There’s at least 3 ways to do what you need: waveform/aao, calcout or passing PV names into the protocol function.

Cheers,
Matt



Data Acquisition and Control Engineer
Spallation Neutron Source
Oak Ridge National Lab





> On Jan 31, 2017, at 2:23 AM, PilkyuJung <[email protected]> wrote:
> 
> Hi all,
> 
> 
> 
> While I am working with EPICS, I got a problem. When I am using a SCPI command, I need to send two parameter in a message.
> 
> As you can see attached image, need 0~14 number and the other. So, now I used %s(in .proto file) and aao (record in .db file) like this.
> 
> 
> 
> setDIS{
> 
> out "DISP %s";
> 
> }
> 
> 
> 
> record(aao, "$(P)$(R)ST_x_DisPnl"){
> 
> field( DESC, "Display")
> 
> field( DTYP, "stream")
> 
> field( OUT, "@devddg.proto setDIS $(PORT1) $(A)")
> 
> }
> 
> 
> 
> That's it. However, I want to control with two parameter like this.
> 
> 
> 
> setDIS{
> 
> out "DISP %f, %f";
> 
> }
> 
> 
> 
> $ caput [PV name] value, value
> 
> 
> 
> So, please let me know how I can do.
> 
> 
> 
> Thanks,
> 
> Pilkyu Jung
> 
> 



References:
How to write multi value in a caput message? PilkyuJung

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