Files
epics-base/modules/database/src/std/dev/devBoDbState.c
2018-06-19 11:31:13 +02:00

87 lines
2.0 KiB
C

/*************************************************************************\
* Copyright (c) 2010 Brookhaven National Laboratory.
* Copyright (c) 2010 Helmholtz-Zentrum Berlin
* fuer Materialien und Energie GmbH.
* EPICS BASE is distributed subject to a Software License Agreement found
* in file LICENSE that is included with this distribution.
\*************************************************************************/
/*
* Author: Ralph Lange <Ralph.Lange@bessy.de>
*/
#include "errlog.h"
#include "dbState.h"
#include "devSup.h"
#include "recGbl.h"
#include "dbAccessDefs.h"
#include "boRecord.h"
#include "epicsExport.h"
#define DEVSUPNAME "devBoDbState"
static long add_record (struct dbCommon *pdbc)
{
boRecord *prec = (boRecord *) pdbc;
if (INST_IO != prec->out.type) {
recGblRecordError(S_db_badField, (void *) prec, DEVSUPNAME ": Illegal OUT field");
return(S_db_badField);
}
if (!(prec->dpvt = dbStateFind(prec->out.value.instio.string)) &&
prec->out.value.instio.string &&
'\0' != *prec->out.value.instio.string) {
errlogSevPrintf(errlogInfo, DEVSUPNAME ": Creating new db state '%s'\n",
prec->out.value.instio.string);
prec->dpvt = dbStateCreate(prec->out.value.instio.string);
}
return 0;
}
static long del_record (struct dbCommon *pdbc)
{
boRecord *prec = (boRecord *) pdbc;
prec->dpvt = NULL;
return 0;
}
static struct dsxt myDsxt = {
add_record,
del_record
};
static long init(int pass)
{
if (pass == 0)
devExtend(&myDsxt);
return 0;
}
static long write_bo(boRecord *prec)
{
if (prec->val)
dbStateSet(prec->dpvt);
else
dbStateClear(prec->dpvt);
return 0;
}
static struct {
long number;
DEVSUPFUN report;
DEVSUPFUN init;
DEVSUPFUN init_record;
DEVSUPFUN get_ioint_info;
DEVSUPFUN write_bo;
} devBoDbState = {
5,
NULL,
init,
NULL,
NULL,
write_bo
};
epicsExportAddress(dset, devBoDbState);