/*************************************************************************\
* 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. 
\*************************************************************************/
/* devMbbiMpv910.c */
/* base/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
 */


#include	<vxWorks.h>
#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	<module_types.h>
#include	<mbbiRecord.h>


/* Create the dset for devAiMbbiMpv910 */
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;
}devMbbiMpv910={
	5,
	NULL,
	NULL,
	init_record,
	NULL,
	read_mbbi};

static long init_record(pmbbi)
    struct mbbiRecord	*pmbbi;
{

    /* 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 :
	recGblRecordError(S_db_badField,(void *)pmbbi,
		"devMbbiMpv910 (init_record) Illegal INP field");
	return(S_db_badField);
    }
    return(0);
}

static long read_mbbi(pmbbi)
    struct mbbiRecord	*pmbbi;
{
	struct vmeio	*pvmeio;
	int		status;
	unsigned int	value,mask;

	
	pvmeio = (struct vmeio *)&(pmbbi->inp.value);
	mask = pmbbi->mask;
	status = bb910_driver(pvmeio->card,&value);
	if(status==0) {
		pmbbi->rval = value;
		return(0);
	} else {
                if(recGblSetSevr(pmbbi,READ_ALARM,INVALID_ALARM) && errVerbose
		&& (pmbbi->stat!=READ_ALARM || pmbbi->sevr!=INVALID_ALARM))
			recGblRecordError(-1,(void *)pmbbi,"bb910_driver Error");
		return(2);
	}
}
