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pcas/src/dev/devMbboDirectXVme220.c
1994-12-19 18:25:16 +00:00

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/* devMbboDirectXVme220.c */
/* base/src/dev $Id$ */
/* devMbboDirectXVme220.c - Device Support Routines */
/* XYcom 32 bit binary output */
/*
* Original Author: Bob Dalesio
* Current Author: Matthew Needes
* Date: 10-08-93
*
* 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:
* -----------------
* (modification log for devMbboXVme220 applies)
* .01 10-08-93 mcn (created) device support for MbboDirect records
*/
#include <vxWorks.h>
#include <types.h>
#include <stdioLib.h>
#include <string.h>
#include <alarm.h>
#include <dbDefs.h>
#include <dbAccess.h>
#include <recSup.h>
#include <devSup.h>
#include <module_types.h>
#include <mbboDirectRecord.h>
/* Create the dset for devMbboXVme220 */
static long init_record();
static long write_mbbo();
struct {
long number;
DEVSUPFUN report;
DEVSUPFUN init;
DEVSUPFUN init_record;
DEVSUPFUN get_ioint_info;
DEVSUPFUN write_mbbo;
}devMbboDirectXVme220={
5,
NULL,
NULL,
init_record,
NULL,
write_mbbo};
static long init_record(pmbbo)
struct mbboDirectRecord *pmbbo;
{
unsigned long value;
struct vmeio *pvmeio;
int status=0;
/* mbbo.out must be an VME_IO */
switch (pmbbo->out.type) {
case (VME_IO) :
pvmeio = &(pmbbo->out.value.vmeio);
pmbbo->shft = pvmeio->signal;
pmbbo->mask <<= pmbbo->shft;
status = xy220_read(pvmeio->card,pmbbo->mask,&value);
if(status==0) pmbbo->rbv = pmbbo->rval = value;
else status = 2;
break;
default :
status = S_db_badField;
recGblRecordError(status,(void *)pmbbo,
"devMbboDirectXVme220 (init_record) Illegal OUT field");
}
return(status);
}
static long write_mbbo(pmbbo)
struct mbboDirectRecord *pmbbo;
{
struct vmeio *pvmeio;
int status;
unsigned long value;
pvmeio = &(pmbbo->out.value.vmeio);
status = xy220_driver(pvmeio->card,&pmbbo->rval,pmbbo->mask);
if(status==0) {
status = xy220_read(pvmeio->card,pmbbo->mask,&value);
if(status==0) pmbbo->rbv = value;
else recGblSetSevr(pmbbo,READ_ALARM,INVALID_ALARM);
} else {
recGblSetSevr(pmbbo,WRITE_ALARM,INVALID_ALARM);
}
return(status);
}