Experimental Physics and
Industrial Control System

Andrew Johnson <[email protected]> · Wed, 13 Aug 2008 11:36:52 -0500

Hi Mark,

On Wednesday 13 August 2008 09:27:38 Mark Rivers wrote:
> I certainly hope that EZCA is not abandoned, because there is a LOT of
> code in interpreted languages such as IDL, Visual Basic (and Matlab?)
> that depends on it.  Those programs will certainly need some interface
> layer between native CA and the scripting language, since they don't
> directly support callbacks but do need to use CA monitors.  Programs in
> those languages do not use the "chid" but rather the PV names, and
> depend on the hash table and caching of chids that EZCA handles.

We won't be doing anything to actively break it, but if APS stops using the 
things that need it (ezcaIDL, EzcaScan and scopeutil are the main users as 
far as I can see) the Controls group will stop building it, so bit-rot will 
eventually set in unless someone else picks it up.

- Andrew
-- 
Talk is cheap. Show me the code. -- Linus Torvalds

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System