83 lines
2.0 KiB
C
83 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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/* devAiSoft.c */
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/* base/src/dev $Id$ */
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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: 3/6/91
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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 "cvtTable.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 "aiRecord.h"
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/* Create the dset for devAiSoft */
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static long init_record();
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static long read_ai();
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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_ai;
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DEVSUPFUN special_linconv;
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}devAiSoft={
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6,
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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_ai,
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NULL
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};
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static long init_record(aiRecord *pai)
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{
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/* ai.inp must be a CONSTANT or a PV_LINK or a DB_LINK or a CA_LINK*/
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switch (pai->inp.type) {
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case (CONSTANT) :
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if(recGblInitConstantLink(&pai->inp,DBF_DOUBLE,&pai->val))
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pai->udf = FALSE;
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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 *)pai,
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"devAiSoft (init_record) Illegal INP field");
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return(S_db_badField);
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}
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/* Make sure record processing routine does not perform any conversion*/
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pai->linr = 0;
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return(0);
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}
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static long read_ai(aiRecord *pai)
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{
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long status;
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status = dbGetLink(&(pai->inp),DBR_DOUBLE, &(pai->val),0,0);
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if (pai->inp.type!=CONSTANT && RTN_SUCCESS(status)) pai->udf = FALSE;
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return(2); /*don't convert*/
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}
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