Experimental Physics and
Industrial Control System

"Allison, Stephanie" <[email protected]> · Wed, 24 Nov 2010 08:42:13 -0800

Hi,

Please provide a full (level 5) dbpr output of both records.  Also, please provide the version of epics base and the OS of the IOC.

Thank you,
Stephanie

> -----Original Message-----
> From: [email protected] [mailto:[email protected]] On Behalf
> Of Hinko Kocevar
> Sent: Wednesday, November 24, 2010 6:50 AM
> To: EPICS Tech Talk
> Subject: subrecord INPx
> 
> Hi,
> 
> I'm poking around the example IOC I've created with:
> 
> $ makeBaseApp.pl -t example app1
> $ makeBaseApp.pl -i -t example app1
> 
> Example runs fine and records are behaving as expected, but..
> 
> I tried to experiment with subRecord, but the mySubProcess routine does
> not seem to get values on INPx fields if they are not constants. I've
> added following line to get INPA value inside the C function:
> 
> static long mySubProcess(subRecord *precord)
> {
>      if (mySubDebug)
>          printf("Record %s called mySubProcess(%p)\n",
>                 precord->name, (void*) precord);
> 
>      printf("precord->a %lf\n", precord->a);
>      printf("precord->b %lf\n", precord->b);
> 
>      return 0;
> }
> 
> 
> Example:
> 
> record(sub,"$(user):subExample")
> {
>      field(INAM,"mySubInit")
>      field(SNAM,"mySubProcess")
>      field(INPA, "$(user):subInc")
>      field(INPB, "123")
> }
> 
> record(calc, "$(user):subInc") {
>    field(SCAN, "1 second")
>    field(VAL, "0")
>    field(CALC, "(A+1)")
>    field(INPA, "$(user):subInc.VAL NPP")
> }
> 
> Output from IOC:
> Record hinkoHost:subcall called mySubProcess(0x9205998)
> precord->a 0.000000
> precord->b 123.000000
> Record hinkoHost:subcall called mySubProcess(0x9205998)
> precord->a 0.000000
> precord->b 123.000000
> Record hinkoHost:subcall called mySubProcess(0x9205998)
> precord->a 0.000000
> precord->b 123.000000
> 
> 
> At the same time, if I monitor the $(user):subInc:
> camonitor hinkoHost:subInc
> hinkoHost:subInc               2010-11-24 15:45:57.346136 14
> hinkoHost:subInc               2010-11-24 15:45:58.346438 15
> hinkoHost:subInc               2010-11-24 15:45:59.346628 16
> 
> What am I missing?
> 
> Best regards,
> Hinko
> 
> --
> Hinko Kocevar
> Technical support software engineer
> Instrumentation Technologies d.d.
> Velika pot 22, SI-5250 Solkan - Slovenia
> T:+386 5 3352600, F:+386 5 3352601
> mailto: [email protected]
> 
> http://www.i-tech.si - When your users demand stability
> 
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Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System