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

Subject: Re: asynPortDriver callbacks to I/O Intr, how to propagate an error?
From: "Heesterman, Peter J" <[email protected]>
To: "EPICS Tech-Talk ([email protected])" <[email protected]>, "'Mark Rivers'" <[email protected]>
Date: Fri, 30 Oct 2015 17:43:59 +0000

Hi Mark,

 

I’m sorry to trouble you again, on a different subject.

I refer to http://www.aps.anl.gov/epics/tech-talk/2012/msg00924.php.

 

I’m using  setParamStatus, for an I/O Intr driven ‘Fault’ value, in my application, to signal alarm status.

 

There seems to have been a behaviour change between Asyn 4-26 and Asyn 4-27.

 

When using 4-27, the alarm status on ‘Fault.SEVR’ field is set to INVALID, but the ‘Fault.VAL’ field is not updated with the (non-zero) value that indicates the fault condition.

But if I comment out the setParamStatus call, then Fault.VAL is set to the correct value.

 

Both values were set as expected, while using 4-26.

 

Many thanks,

 

Peter.

 

 

 

 

 

 


Replies:
RE: asynPortDriver callbacks to I/O Intr, how to propagate an error? Mark Rivers

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