95 lines
2.5 KiB
C
95 lines
2.5 KiB
C
/* devEventSoft.c */
|
||
/* base/src/dev $Id$ */
|
||
/*
|
||
* Author: Janet Anderson
|
||
* Date: 04-21-91
|
||
*
|
||
* Experimental Physics and Industrial Control System (EPICS)
|
||
*
|
||
* Copyright 1991, the Regents of the University of California,
|
||
* and the University of Chicago Board of Governors.
|
||
*
|
||
* This software was produced under U.S. Government contracts:
|
||
* (W-7405-ENG-36) at the Los Alamos National Laboratory,
|
||
* and (W-31-109-ENG-38) at Argonne National Laboratory.
|
||
*
|
||
* Initial development by:
|
||
* The Controls and Automation Group (AT-8)
|
||
* Ground Test Accelerator
|
||
* Accelerator Technology Division
|
||
* Los Alamos National Laboratory
|
||
*
|
||
* Co-developed with
|
||
* The Controls and Computing Group
|
||
* Accelerator Systems Division
|
||
* Advanced Photon Source
|
||
* Argonne National Laboratory
|
||
*
|
||
* Modification Log:
|
||
* -----------------
|
||
* .00 12-13-91 jba Initial definition
|
||
* .02 03-13-92 jba ANSI C changes
|
||
* .03 10-10-92 jba replaced code with recGblGetLinkValue call
|
||
* .04 03-03-94 mrk Move constant link value to val only if val is zero
|
||
*/
|
||
#include <stdlib.h>
|
||
#include <stdio.h>
|
||
#include <string.h>
|
||
#include <alarm.h>
|
||
#include <dbDefs.h>
|
||
#include <dbAccess.h>
|
||
#include <recSup.h>
|
||
#include <devSup.h>
|
||
#include <eventRecord.h>
|
||
|
||
/* Create the dset for devEventSoft */
|
||
static long init_record();
|
||
static long read_event();
|
||
struct {
|
||
long number;
|
||
DEVSUPFUN report;
|
||
DEVSUPFUN init;
|
||
DEVSUPFUN init_record;
|
||
DEVSUPFUN get_ioint_info;
|
||
DEVSUPFUN read_event;
|
||
}devEventSoft={
|
||
5,
|
||
NULL,
|
||
NULL,
|
||
init_record,
|
||
NULL,
|
||
read_event
|
||
};
|
||
|
||
static long init_record(pevent)
|
||
struct eventRecord *pevent;
|
||
{
|
||
|
||
/* event.inp must be a CONSTANT or a PV_LINK or a DB_LINK or a CA_LINK*/
|
||
switch (pevent->inp.type) {
|
||
case (CONSTANT) :
|
||
if(recGblInitConstantLink(&pevent->inp,DBF_USHORT,&pevent->val))
|
||
pevent->udf = FALSE;
|
||
break;
|
||
case (PV_LINK) :
|
||
case (DB_LINK) :
|
||
case (CA_LINK) :
|
||
break;
|
||
default :
|
||
recGblRecordError(S_db_badField,(void *)pevent,
|
||
"devEventSoft (init_record) Illegal INP field");
|
||
return(S_db_badField);
|
||
}
|
||
return(0);
|
||
}
|
||
|
||
static long read_event(pevent)
|
||
struct eventRecord *pevent;
|
||
{
|
||
long status;
|
||
|
||
status = dbGetLink(&pevent->inp,DBR_USHORT,&pevent->val,0,0);
|
||
if(pevent->inp.type!=CONSTANT && RTN_SUCCESS(status)) pevent->udf=FALSE;
|
||
return(status);
|
||
}
|