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

Subject: Accessing RPC result by CSS
From: "Andreas Frei" <frei.andreas@gmx.com>
To: tech-talk@aps.anl.gov
Date: Mon, 12 Jan 2015 12:35:39 +0100
Hi,
 
I'm an absolutly newbie.
 
I want to set up an 'EPICS envrionment' which uses CSS as operator interface
and where the process variables are provided by a java application. I read
several things about EPICS v3 and EPICS v4, took a look at CSS documentation
and now I have some question which I couldn't answer after reading the diffrent
help pages:
 
- Is it correct that by an remote procedure call using pvAcess is provided a
  EPICS v4 NT 'datastructure' which can build in the method which implements
  the RPCServer.
 
- How can I access the provided data by using CSS e.g. when I'm using a gauge
  object. I completed the 'PV Name' by 'pva://testservice/vname.value' but it
  didn't work. (In my case is 'testservice' the RPC service name, 'vname' the
  name of the NT structure and 'value' the NT_scalar which contais the 'provided
  data'.
 
Best regards

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