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pcas/src/dev/symbDev/devBoSymb.c
1998-06-04 19:32:12 +00:00

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/* base/src/dev $Id$ */
/* @(#)devBoSymb.c 1.1 6/4/93
* Device Support for VxWorks Global Symbol Binary Output Records
*
*
* Author: Carl Lionberger
* Date: 060893
*
* Experimental Physics and Industrial Control System (EPICS)
*
* Copyright 1991, the Regents of the University of California,
* and the University of Chicago Board of Governors.
*
* This software was produced under U.S. Government contracts:
* (W-7405-ENG-36) at the Los Alamos National Laboratory,
* and (W-31-109-ENG-38) at Argonne National Laboratory.
*
* Initial development by:
* The Controls and Automation Group (AT-8)
* Ground Test Accelerator
* Accelerator Technology Division
* Los Alamos National Laboratory
*
* Co-developed with
* The Controls and Computing Group
* Accelerator Systems Division
* Advanced Photon Source
* Argonne National Laboratory
*
* The Control Systems Group
* Systems Engineering Department
* Lawrence Berkeley Laboratory
*
* NOTES:
* Derived from soft record device support.
* Modification Log:
* -----------------
* wfl 06-Jun-96 call devSymbFind() to parse PARM field and
* look up symbol
* anj 14-Oct-96 Changed devSymbFind() parameters.
* wfl 12-Dec-96 created from longout support
*/
#include <vxWorks.h>
#include <sysSymTbl.h>
#include <types.h>
#include <stdioLib.h>
#include <string.h>
#include <intLib.h>
#include <alarm.h>
#include <dbDefs.h>
#include <dbAccess.h>
#include <recSup.h>
#include <devSup.h>
#include <module_types.h>
#include <boRecord.h>
#include <devSymb.h>
static long init_record();
static long write_bo();
/* Create the dset for devBoSymb */
struct {
long number;
DEVSUPFUN report;
DEVSUPFUN init;
DEVSUPFUN init_record;
DEVSUPFUN get_ioint_info;
DEVSUPFUN write_bo;
}devBoSymb={
5,
NULL,
NULL,
init_record,
NULL,
write_bo};
static long init_record(pbo)
struct boRecord *pbo;
{
/* determine address of record value */
if (devSymbFind(pbo->name, &pbo->out, &pbo->dpvt))
{
recGblRecordError(S_db_badField,(void *)pbo,
"devBoSymb (init_record) Illegal NAME or OUT field");
return(S_db_badField);
}
return(0);
}
static long write_bo(pbo)
struct boRecord *pbo;
{
int lockKey;
struct vxSym *private = (struct vxSym *) pbo->dpvt;
if (private)
{
lockKey = intLock();
*((unsigned short *)(*private->ppvar) + private->index) = pbo->val;
intUnlock(lockKey);
}
else
return(1);
pbo->udf=FALSE;
return(0);
}