Marty Kraimer
87 lines
2.0 KiB
C
87 lines
2.0 KiB
C
/*************************************************************************\
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* Copyright (c) 2002 The University of Chicago, as Operator of Argonne
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* National Laboratory.
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* Copyright (c) 2002 The Regents of the University of California, as
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* Operator of Los Alamos National Laboratory.
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* EPICS BASE Versions 3.13.7
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* and higher are distributed subject to a Software License Agreement found
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* in file LICENSE that is included with this distribution.
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\*************************************************************************/
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/* devWfSoft.c */
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/* base/src/dev $Id$ */
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/* devWfSoft.c - Device Support Routines for soft Waveform Records*/
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/*
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* Original Author: Bob Dalesio
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* Current Author: Marty Kraimer
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* Date: 6-1-90
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include "alarm.h"
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#include "dbDefs.h"
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#include "dbAccess.h"
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#include "recGbl.h"
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#include "recSup.h"
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#include "devSup.h"
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#include "link.h"
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#include "waveformRecord.h"
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#include "epicsExport.h"
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/* Create the dset for devWfSoft */
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static long init_record();
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static long read_wf();
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struct {
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long number;
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DEVSUPFUN report;
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DEVSUPFUN init;
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DEVSUPFUN init_record;
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DEVSUPFUN get_ioint_info;
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DEVSUPFUN read_wf;
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}devWfSoft={
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5,
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NULL,
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NULL,
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init_record,
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NULL,
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read_wf
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};
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epicsExportAddress(dset,devWfSoft);
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static long init_record(waveformRecord *pwf)
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{
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/* wf.inp must be a CONSTANT or a PV_LINK or a DB_LINK or a CA_LINK*/
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switch (pwf->inp.type) {
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case (CONSTANT) :
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pwf->nord = 0;
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break;
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case (PV_LINK) :
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case (DB_LINK) :
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case (CA_LINK) :
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break;
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default :
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recGblRecordError(S_db_badField,(void *)pwf,
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"devWfSoft (init_record) Illegal INP field");
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return(S_db_badField);
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}
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return(0);
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}
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static long read_wf(waveformRecord *pwf)
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{
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long status,nRequest;
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nRequest=pwf->nelm;
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status = dbGetLink(&pwf->inp,pwf->ftvl,pwf->bptr, 0,&nRequest);
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/*If dbGetLink got no values leave things as they were*/
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if(nRequest>0) pwf->nord = nRequest;
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return(0);
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}
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