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pcas/src/dev/devMbbiMpv910.c
1991-06-07 16:59:57 +00:00

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/* devMbbiMpv910.c */
/* share/src/dev $Id$ */
/* devMbbiMpv910.c - Device Support Routines*/
/* Burr Brown MPV 910 Multibit Binary input */
/*
* Original Author: Bob Dalesio
* Current Author: Marty Kraimer
* Date: 6-1-90
*
* 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:
* -----------------
* .01 mm-dd-yy iii Comment
* .02 mm-dd-yy iii Comment
* ...
*/
#include <vxWorks.h>
#include <types.h>
#include <stdioLib.h>
#include <alarm.h>
#include <dbAccess.h>
#include <dbDefs.h>
#include <devSup.h>
#include <link.h>
#include <module_types.h>
#include <mbbiRecord.h>
/* Create the dset for devAiMbbiMpv910 */
long init_record();
long read_mbbi();
struct {
long number;
DEVSUPFUN report;
DEVSUPFUN init;
DEVSUPFUN init_record;
DEVSUPFUN get_ioint_info;
DEVSUPFUN read_mbbi;
}devMbbiMpv910={
5,
NULL,
NULL,
init_record,
NULL,
read_mbbi};
static long init_record(pmbbi)
struct mbbiRecord *pmbbi;
{
char message[100];
/* mbbi.inp must be an VME_IO */
switch (pmbbi->inp.type) {
case (VME_IO) :
pmbbi->shft = pmbbi->inp.value.vmeio.signal;
pmbbi->mask <<= pmbbi->shft;
break;
default :
strcpy(message,pmbbi->name);
strcat(message,": devMbbiMpv910 (init_record) Illegal INP field");
errMessage(S_db_badField,message);
return(S_db_badField);
}
return(0);
}
static long read_mbbi(pmbbi)
struct mbbiRecord *pmbbi;
{
struct vmeio *pvmeio;
int status;
unsigned long value;
pvmeio = (struct vmeio *)&(pmbbi->inp.value);
status = bi_driver(pvmeio->card,pmbbi->mask,BB910,&value);
if(status==0) {
pmbbi->rval = value;
} else {
if(pmbbi->nsev<VALID_ALARM ) {
pmbbi->nsta = READ_ALARM;
pmbbi->nsev = VALID_ALARM;
}
}
return(status);
}