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Subject: Re: Newbie IOC driver/device support problem
From: Burkhard Kolb <[email protected]>
To: Angus Gratton <[email protected]>
Cc: [email protected]
Date: Thu, 22 Jul 2010 09:44:40 +0200
Hi,
try putting the DTYP line in front of the OUT line in your record.
When OUT is parsed the DTYP is not yet known in your case.

Hope this helps,
Burkhard


Am 22.07.2010 um 09:31 schrieb Angus Gratton:

> Hi everyone,
> 
> I'm new to EPICS and I'm having problems with a new driver & device
> support package I'm writing.
> 
> It seems that I can't get the link name to parse from my test database
> file. The device support is registered successfully, and when it hits my
> init_record function the 'type' is set correctly (VME_IO). However the
> card and signal numbers aren't parsing (they are always 0 and 0,
> respectively.)
> 
> Here is the db entry:
> 
>        record(bo, "testrelay")
>        {
>        		  field(DESC, "Test relay")
>        		  field(OUT, "#C1 S1")
>        		  field(DTYP, "xvme260")
>        		  field(ZNAM, "open")
>        		  field(ONAM, "closed")
>        		  field(SCAN,"Passive")
>        }
> 
> I've tried various values in the OUT field including "#C1 S1 @" "#C1"
> and "VME_IO #C1 S1", plus some others.
> 
> The .dbd file:
> 
>        # XVME260 support
>        driver(xvme260)
>        variable(xvme260Debug, int)
>        registrar(xvme260Register)
>        device(bo, VME_IO, xvme260Bo, "xvme260")
> 
> 
> Here's the dbpr from the IOC (excuse email reformatting):
> 
>> dbpr testrelay, 1
>        ASG:                BKPT: 00            COSV: NO_ALARM
>        DESC: Test relay    
>        DISA: 0             DISP: 0             DISS: NO_ALARM
>        DISV: 1             
>        DOL:CONSTANT        DTYP: xvme260       EVNT: 0
>        FLNK:CONSTANT 0     
>        HIGH: 0             MASK: 0             NAME: testrelay
>        OMSL: supervisory   
>        ONAM: closed        OSV: NO_ALARM       OUT:VME_IO #C0 S0 @ 
>        PACT: 0             
>        PHAS: 0             PINI: NO            PRIO: LOW           
>        PUTF: 0             
>        RBV: 0              RPRO: 0             RVAL: 0             
>        SCAN: Passive       
>        SDIS:CONSTANT       SEVR: INVALID       SIML:CONSTANT
>        SIMM: NO            
>        SIOL:CONSTANT       STAT: UDF           TPRO: 0
>        TSE: 0              
>        TSEL:CONSTANT       UDF: 1              VAL: 0
>        ZNAM: open          
>        ZSV: NO_ALARM       
> 
> 
> As you can see, it's picked up everything from the .db correctly apart
> from OUT.
> 
> I've also verified my record_init is being called, and it's definitely
> erroring due to the invalid card number in OUT. The 'type' field is set
> right in OUT, but then all the fields in the 'vmeio' struct are zero.
> 
> I'm sure I'm doing something obviously wrong for a newbie, please can
> anyone point me at what I should be investigating?
> 
> Thanks in advance.
> 
> Cheers,
> 
> Angus
> 

--
Dr. Burkhard Kolb                              
Pleikartsförster Str. 38
69124 Heidelberg
Germany
E-Mail: [email protected] 
Tel: +49 6221 718640 / Fax: +49 6221 718641




Replies:
Re: Newbie IOC driver/device support problem Angus Gratton
References:
Newbie IOC driver/device support problem Angus Gratton

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