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epics-base/src/dev/testDev/devMbbiTestAsyn.c
2002-07-12 21:35:43 +00:00

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/*************************************************************************\
* Copyright (c) 2002 The University of Chicago, 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 Versions 3.13.7
* and higher are distributed subject to a Software License Agreement found
* in file LICENSE that is included with this distribution.
\*************************************************************************/
/* devMbbiTestAsyn.c */
/* base/src/dev $Id$ */
/* devMbbiTestAsyn.c - Device Support Routines for testing asynchronous processing*/
/*
* Original Author: Bob Dalesio
* Current Author: Marty Kraimer
* Date: 6-1-90
*/
#include <stddef.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "alarm.h"
#include "callback.h"
#include "dbDefs.h"
#include "dbAccess.h"
#include "recGbl.h"
#include "recSup.h"
#include "devSup.h"
#include "link.h"
#include "dbCommon.h"
#include "mbbiRecord.h"
/* Create the dset for devMbbiTestAsyn */
static long init_record();
static long read_mbbi();
struct {
long number;
DEVSUPFUN report;
DEVSUPFUN init;
DEVSUPFUN init_record;
DEVSUPFUN get_ioint_info;
DEVSUPFUN read_mbbi;
DEVSUPFUN special_linconv;
}devMbbiTestAsyn={
6,
NULL,
NULL,
init_record,
NULL,
read_mbbi,
NULL};
static long init_record(pmbbi)
struct mbbiRecord *pmbbi;
{
CALLBACK *pcallback;
/* mbbi.inp must be a CONSTANT*/
switch (pmbbi->inp.type) {
case (CONSTANT) :
pcallback = (CALLBACK *)(calloc(1,sizeof(CALLBACK)));
pmbbi->dpvt = (void *)pcallback;
if(recGblInitConstantLink(&pmbbi->inp,DBF_ENUM,&pmbbi->val))
pmbbi->udf = FALSE;
break;
default :
recGblRecordError(S_db_badField,(void *)pmbbi,
"devMbbiTestAsyn (init_record) Illegal INP field");
return(S_db_badField);
}
return(0);
}
static long read_mbbi(pmbbi)
struct mbbiRecord *pmbbi;
{
CALLBACK *pcallback=(CALLBACK *)(pmbbi->dpvt);
/* mbbi.inp must be a CONSTANT*/
switch (pmbbi->inp.type) {
case (CONSTANT) :
if(pmbbi->pact) {
printf("%s Completed\n",pmbbi->name);
return(2); /* don't convert */
} else {
if(pmbbi->disv<=0) return(2);
printf("Starting asynchronous processing: %s\n",pmbbi->name);
pmbbi->pact=TRUE;
callbackRequestProcessCallbackDelayed(
pcallback,pmbbi->prio,pmbbi,(double)pmbbi->disv);
return(0);
}
default :
if(recGblSetSevr(pmbbi,SOFT_ALARM,INVALID_ALARM)){
if(pmbbi->stat!=SOFT_ALARM) {
recGblRecordError(S_db_badField,(void *)pmbbi,
"devMbbiTestAsyn (read_mbbi) Illegal INP field");
}
}
}
return(0);
}