Experimental Physics and
Industrial Control System

Eric Norum <[email protected]> · Fri, 3 Aug 2012 07:31:15 -0700

I submitted a fix for the devGpib problem yesterday.  It was a quick fix so better solutions may exist and a new patch implementing such would be welcomed.

On Aug 3, 2012, at 7:09 AM, Dirk Zimoch wrote:

> Anze Zagar wrote:
>> Hi Andrew et al,
>> Congratulations on the first EPICS version > Pi release! ;-)
>> We made an attempt to integrate the new EPICS base into ITER's CODAC
>> Core System, however we did not get very far because it seems that there
>> is still quite some work needed to be done to EPICS modules. I haven't
>> spent a lot of time searching for all the problems but basically I got
>> stuck with asyn module which fails to compile due to some changes in
>> eventRecord API (i.e. it tries to assign short integer to char[40] 'val'
>> field of eventRecord structure).
> 
> There is some code in the asyn GPIB part that tries to access the val field directly via a pointer and thus assumes a certain data type of this field. The better way would be to use a DBADDR structure which would do all necessary type conversions (like any db link is doing it).
> 
> Maybe next week I have a look into asyn. For the time being, you can simply comment out the devGpib blocks from the asyn Makefiles (provided you do not need davGpib support).
> 
> Dirk

-- 
Eric Norum
[email protected]

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System