Andrew Johnson
109 lines
2.9 KiB
C
109 lines
2.9 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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/* devHistogramTestAsyn.c */
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/* base/src/dev $Id$ */
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/*
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* Author: Janet Anderson
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* Date: 07/02/91
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*/
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#include <stddef.h>
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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 "callback.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 "dbCommon.h"
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#include "histogramRecord.h"
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#include "epicsExport.h"
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/* Create the dset for devHistogramTestAsyn */
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static long init_record();
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static long read_histogram();
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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_histogram;
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DEVSUPFUN special_linconv;
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}devHistogramTestAsyn={
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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_histogram,
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NULL
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};
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epicsExportAddress(dset,devHistogramTestAsyn);
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static long init_record(phistogram)
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struct histogramRecord *phistogram;
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{
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CALLBACK *pcallback;
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/* histogram.svl must be a CONSTANT*/
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switch (phistogram->svl.type) {
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case (CONSTANT) :
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pcallback = (CALLBACK *)(calloc(1,sizeof(CALLBACK)));
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phistogram->dpvt = (void *)pcallback;
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if(recGblInitConstantLink(&phistogram->svl,DBF_DOUBLE,&phistogram->sgnl))
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phistogram->udf = FALSE;
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break;
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default :
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recGblRecordError(S_db_badField,(void *)phistogram,
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"devHistogramTestAsyn (init_record) Illegal SVL field");
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phistogram->pact=TRUE;
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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_histogram(phistogram)
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struct histogramRecord *phistogram;
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{
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CALLBACK *pcallback=(CALLBACK *)(phistogram->dpvt);
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/* histogram.svl must be a CONSTANT*/
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switch (phistogram->svl.type) {
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case (CONSTANT) :
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if(phistogram->pact) {
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printf("%s Completed\n",phistogram->name);
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return(0); /*add count*/
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} else {
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if(phistogram->disv<=0) return(2);
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printf("Starting asynchronous processing: %s\n",
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phistogram->name);
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phistogram->pact=TRUE;
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callbackRequestProcessCallbackDelayed(
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pcallback,phistogram->prio,phistogram,
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(double)phistogram->disv);
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return(0);
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}
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default :
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if(recGblSetSevr(phistogram,SOFT_ALARM,INVALID_ALARM)){
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if(phistogram->stat!=SOFT_ALARM) {
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recGblRecordError(S_db_badField,(void *)phistogram,
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"devHistogramTestAsyn (read_histogram) Illegal SVL field");
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}
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}
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}
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return(0);
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}
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