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

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/*************************************************************************\
* Copyright (c) 2008 UChicago Argonne LLC, as Operator of Argonne
* National Laboratory.
* Copyright (c) 2002 The Regents of the University of California, as
* Operator of Los Alamos National Laboratory.
* EPICS BASE is distributed subject to a Software License Agreement found
* in file LICENSE that is included with this distribution.
\*************************************************************************/
/* recPermissive.c - Record Support Routines for Permissive records */
/*
* Original Author: Bob Dalesio
* Date: 10-10-90
*/
#include <stddef.h>
#include <stdlib.h>
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include "dbDefs.h"
#include "epicsPrint.h"
#include "dbAccess.h"
#include "dbEvent.h"
#include "dbFldTypes.h"
#include "errMdef.h"
#include "recSup.h"
#include "recGbl.h"
#define GEN_SIZE_OFFSET
#include "permissiveRecord.h"
#undef GEN_SIZE_OFFSET
#include "epicsExport.h"
/* Create RSET - Record Support Entry Table*/
#define report NULL
#define initialize NULL
#define init_record NULL
static long process(struct dbCommon *);
#define special NULL
#define get_value NULL
#define cvt_dbaddr NULL
#define get_array_info NULL
#define put_array_info NULL
#define get_units NULL
#define get_precision NULL
#define get_enum_str NULL
#define get_enum_strs NULL
#define put_enum_str NULL
#define get_graphic_double NULL
#define get_control_double NULL
#define get_alarm_double NULL
rset permissiveRSET={
RSETNUMBER,
report,
initialize,
init_record,
process,
special,
get_value,
cvt_dbaddr,
get_array_info,
put_array_info,
get_units,
get_precision,
get_enum_str,
get_enum_strs,
put_enum_str,
get_graphic_double,
get_control_double,
get_alarm_double
};
epicsExportAddress(rset,permissiveRSET);
static void monitor(permissiveRecord *);
static long process(struct dbCommon *pcommon)
{
struct permissiveRecord *prec = (struct permissiveRecord *)pcommon;
prec->pact=TRUE;
prec->udf=FALSE;
recGblGetTimeStamp(prec);
monitor(prec);
recGblFwdLink(prec);
prec->pact=FALSE;
return(0);
}
static void monitor(permissiveRecord *prec)
{
unsigned short monitor_mask;
unsigned short val,oval,wflg,oflg;
monitor_mask = recGblResetAlarms(prec);
/* get val,oval,wflg,oflg*/
val=prec->val;
oval=prec->oval;
wflg=prec->wflg;
oflg=prec->oflg;
/*set oval and oflg*/
prec->oval = val;
prec->oflg = wflg;
if(oval != val) {
db_post_events(prec,&prec->val,
monitor_mask|DBE_VALUE|DBE_LOG);
}
if(oflg != wflg) {
db_post_events(prec,&prec->wflg,
monitor_mask|DBE_VALUE|DBE_LOG);
}
return;
}