Janet B. Anderson
106 lines
2.6 KiB
C
106 lines
2.6 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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/* devAoTestAsyn.c */
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/* base/src/dev $Id$ */
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/* devAoTestAsyn.c - Device Support Routines for testing asynchronous processing*/
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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 <stddef.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.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 "aoRecord.h"
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/* Create the dset for devAoTestAsyn */
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static long init_record();
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static long write_ao();
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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 write_ao;
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DEVSUPFUN special_linconv;
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}devAoTestAsyn={
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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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write_ao,
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NULL};
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static long init_record(pao)
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struct aoRecord *pao;
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{
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CALLBACK *pcallback;
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/* ao.out must be a CONSTANT*/
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switch (pao->out.type) {
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case (CONSTANT) :
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pcallback = (CALLBACK *)(calloc(1,sizeof(CALLBACK)));
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pao->dpvt = (void *)pcallback;
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break;
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default :
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recGblRecordError(S_db_badField,(void *)pao,
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"devAoTestAsyn (init_record) Illegal OUT field");
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return(S_db_badField);
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}
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return(2);
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}
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static long write_ao(pao)
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struct aoRecord *pao;
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{
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CALLBACK *pcallback=(CALLBACK *)(pao->dpvt);
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/* ao.out must be a CONSTANT*/
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switch (pao->out.type) {
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case (CONSTANT) :
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if(pao->pact) {
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printf("Completed asynchronous processing: %s\n",pao->name);
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return(0);
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} else {
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if(pao->disv<=0) return(0);
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printf("Starting asynchronous processing: %s\n",pao->name);
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pao->pact=TRUE;
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callbackRequestProcessCallbackDelayed(
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pcallback,pao->prio,pao,(double)pao->disv);
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return(0);
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}
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default :
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if(recGblSetSevr(pao,SOFT_ALARM,INVALID_ALARM)){
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if(pao->stat!=SOFT_ALARM) {
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recGblRecordError(S_db_badField,(void *)pao,
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"devAoTestAsyn (read_ao) Illegal OUT 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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