95 lines
2.5 KiB
C
95 lines
2.5 KiB
C
/* devMbbiDirectSoftRaw.c */
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/* base/src/dev $Id$ */
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/*
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* Original Author: Bob Dalesio
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* Current Author: Matthew Needes
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* Date: 10-08-93
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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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* (modification log of devMbbiDirectSoftRaw applies)
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* .01 10-08-93 mcn device support for direct mbbi records.
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*/
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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 "recGbl.h"
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#include "recSup.h"
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#include "devSup.h"
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#include "mbbiDirectRecord.h"
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/* Create the dset for devMbbiDirectSoftRaw */
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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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}devMbbiDirectSoftRaw={
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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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};
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static long init_record(mbbiDirectRecord *pmbbi)
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{
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/* mbbi.inp must be a CONSTANT or a PV_LINK or a DB_LINK or a CA_LINK*/
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switch (pmbbi->inp.type) {
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case (CONSTANT) :
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recGblInitConstantLink(&pmbbi->inp,DBF_ULONG,&pmbbi->rval);
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break;
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case (DB_LINK) :
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case (PV_LINK) :
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case (CA_LINK) :
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break;
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default :
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recGblRecordError(S_db_badField,(void *)pmbbi,
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"devMbbiDirectSoftRaw (init_record) Illegal INP field");
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return(S_db_badField);
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}
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/*to preserve old functionality*/
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if(pmbbi->nobt == 0) pmbbi->mask = 0xffffffff;
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pmbbi->mask <<= pmbbi->shft;
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return(0);
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}
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static long read_mbbi(mbbiDirectRecord *pmbbi)
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{
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long status;
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status = dbGetLink(&pmbbi->inp,DBR_LONG,&pmbbi->rval,0,0);
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if(status==0) pmbbi->rval &= pmbbi->mask;
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return(0);
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}
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