128 lines
3.2 KiB
C
128 lines
3.2 KiB
C
/* devMbboMpv902.c */
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/* base/src/dev $Id$ */
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/* devMbboMpv902.c - Device Support Routines */
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/* Burr Brown MPV 902 */
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/*
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* Original Author: Bob Dalesio
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* Current Author: Marty Kraimer
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* Date: 6-1-90
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*
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* Experimental Physics and Industrial Control System (EPICS)
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*
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* Copyright 1991, the Regents of the University of California,
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* and the University of Chicago Board of Governors.
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*
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* This software was produced under U.S. Government contracts:
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* (W-7405-ENG-36) at the Los Alamos National Laboratory,
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* and (W-31-109-ENG-38) at Argonne National Laboratory.
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*
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* Initial development by:
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* The Controls and Automation Group (AT-8)
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* Ground Test Accelerator
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* Accelerator Technology Division
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* Los Alamos National Laboratory
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*
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* Co-developed with
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* The Controls and Computing Group
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* Accelerator Systems Division
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* Advanced Photon Source
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* Argonne National Laboratory
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*
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* Modification Log:
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* -----------------
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* .01 11-11-91 jba Moved set of alarm stat and sevr to macros
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* .02 03-13-92 jba ANSI C changes
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* .03 02-08-94 mrk Issue Hardware Errors BUT prevent Error Message Storms
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* ...
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*/
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#include <vxWorks.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <alarm.h>
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#include <dbDefs.h>
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#include <dbAccess.h>
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#include <recSup.h>
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#include <devSup.h>
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#include <module_types.h>
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#include <mbboRecord.h>
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/* Create the dset for devAiMbboMpv902 */
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static long init_record();
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static long write_mbbo();
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struct {
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long number;
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DEVSUPFUN report;
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DEVSUPFUN init;
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DEVSUPFUN init_record;
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DEVSUPFUN get_ioint_info;
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DEVSUPFUN write_mbbo;
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}devMbboMpv902={
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5,
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NULL,
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NULL,
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init_record,
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NULL,
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write_mbbo};
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static long init_record(pmbbo)
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struct mbboRecord *pmbbo;
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{
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unsigned int value,mask;
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struct vmeio *pvmeio;
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int status=0;
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/* mbbo.out must be an VME_IO */
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switch (pmbbo->out.type) {
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case (VME_IO) :
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pvmeio = &(pmbbo->out.value.vmeio);
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pmbbo->shft = pvmeio->signal;
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pmbbo->mask <<= pmbbo->shft;
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mask = pmbbo->mask;
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status = bb902_read(pvmeio->card,mask,&value);
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if(status==0) pmbbo->rbv = pmbbo->rval = value;
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else status = 2;
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break;
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default :
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status = S_db_badField;
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recGblRecordError(status,(void *)pmbbo,
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"devMbboMpv902 (init_record) Illegal OUT field");
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}
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return(status);
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}
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static long write_mbbo(pmbbo)
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struct mbboRecord *pmbbo;
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{
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struct vmeio *pvmeio;
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int status;
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unsigned int value,mask;
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pvmeio = &(pmbbo->out.value.vmeio);
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value = pmbbo->rval;
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mask = pmbbo->mask;
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status = bb902_driver(pvmeio->card,value,mask);
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if(status==0) {
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status = bb902_read(pvmeio->card,mask,&value);
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if(status==0) pmbbo->rbv = value;
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else {
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if(recGblSetSevr(pmbbo,READ_ALARM,INVALID_ALARM) && errVerbose
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&& (pmbbo->stat!=READ_ALARM || pmbbo->sevr!=INVALID_ALARM))
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recGblRecordError(-1,(void *)pmbbo,"bb902_read Error");
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}
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} else {
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if(recGblSetSevr(pmbbo,WRITE_ALARM,INVALID_ALARM) && errVerbose
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&& (pmbbo->stat!=WRITE_ALARM || pmbbo->sevr!=INVALID_ALARM))
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recGblRecordError(-1,(void *)pmbbo,"bb902_driver Error");
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}
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return(0);
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}
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