Experimental Physics and
Industrial Control System

Jay, You can do this with an sCalcout record.
Tim

----- Original Message -----
From: "Jay Steele" <[email protected]>
To: [email protected]
Sent: Wednesday, February 2, 2011 5:21:26 PM
Subject: calc doesn't appear to be working with MEDM for string expressions	(Win32 Extension Version 1.40)




Hi all, 

I’m trying to get the attached logic working with MEDM and string-valued record fields and it isn't working. For the expression "A = B", the text always appears, regardless if string A is different or the same as string B. Do I need to do something special to make strings work with the MEDM calc functionality? Note that I'm using MEDM from EPICS WIN32 Extension Version 1.40. 



The A and B string sizes are 18 characters. 



Here is the text from the adl file. 



text { 
object { 
x=320 
y=205 
width=180 
height=14 
} 
"basic attribute" { 
clr=20 
} 
"dynamic attribute" { 
vis="calc" 
calc="A = B" 
chan="$(P)scan1.P1PV" 
chanB="$(P)scan2.P1PV" 
} 
textix="ERROR: SAME MOTORS" 
align="horiz. centered" 
} 



Thanks, 

Jay Steele 

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-- 
Tim Mooney ([email protected]) (630)252-5417
Software Services Group (www.aps.anl.gov)
Advanced Photon Source, Argonne National Lab

References:

calc doesn't appear to be working with MEDM for string expressions (Win32 Extension Version 1.40) Jay Steele

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