Matt Needes
113 lines
2.7 KiB
C
113 lines
2.7 KiB
C
/* devMbbiMpv910.c */
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/* base/src/dev $Id$ */
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/* devMbbiMpv910.c - Device Support Routines*/
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/* Burr Brown MPV 910 Multibit Binary input */
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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--8-94 mrk Prevent error message storms
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* ...
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*/
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#include <vxWorks.h>
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#include <types.h>
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#include <stdioLib.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 <mbbiRecord.h>
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/* Create the dset for devAiMbbiMpv910 */
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static long init_record();
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static long read_mbbi();
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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 read_mbbi;
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}devMbbiMpv910={
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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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read_mbbi};
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static long init_record(pmbbi)
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struct mbbiRecord *pmbbi;
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{
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/* mbbi.inp must be an VME_IO */
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switch (pmbbi->inp.type) {
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case (VME_IO) :
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pmbbi->shft = pmbbi->inp.value.vmeio.signal;
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pmbbi->mask <<= pmbbi->shft;
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break;
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default :
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recGblRecordError(S_db_badField,(void *)pmbbi,
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"devMbbiMpv910 (init_record) Illegal INP field");
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return(S_db_badField);
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}
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return(0);
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}
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static long read_mbbi(pmbbi)
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struct mbbiRecord *pmbbi;
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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 = (struct vmeio *)&(pmbbi->inp.value);
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mask = pmbbi->mask;
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status = bb910_driver(pvmeio->card,&value);
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if(status==0) {
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pmbbi->rval = value;
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return(0);
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} else {
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if(recGblSetSevr(pmbbi,READ_ALARM,INVALID_ALARM) && errVerbose
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&& (pmbbi->stat!=READ_ALARM || pmbbi->sevr!=INVALID_ALARM))
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recGblRecordError(-1,(void *)pmbbi,"bb910_driver Error");
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return(2);
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}
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}
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