Experimental Physics and
Industrial Control System

Pierrick M Hanlet via Tech-talk <[email protected]> · Wed, 18 Dec 2019 21:51:49 +0000

Hi all,
I am developing a module for use at Fermilab which allows an easy interface
from EPICS IOCs to our native control system.  I want to use aSub records
so that I have the flat db files which can be populated with macros.  
Within
my module I've created a structure, v7Struct which carries all of the 
pertinent
information; e.g. Reading and Setting.  At initialization, I instantiate 
as many
of these objects (v7Structs) as I need.

So, to read from my v3 PVs, I do:
v3PV -> aSub(Reading) -> v7Struct -> operator (via native system)

This works well.  Where I'm having difficulty is the other way around:
operator -> v7Struct ->(?) aSub(Setting) -> v3PV

In other words, I don't know how to get my v7Struct to process my 
aSub(Setting).
I've been going through exampleCPP, which is a very helpful work, but thin
on documentation.  Do I need to set up a PvaClient and set up monitor and
then a link, or is there someway to do this directly from PVData or 
PVDatabase?
Thank you,
Pierrick

-- 
Pierrick Hanlet
Fermi National Accelerator
Accelerator Front End Controls
+1-630-840-5555 -- lab
+1-312-687-4980 -- mobile

"Whether you think you can or think you can't, you're right" -- Henry Ford

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System