2a36a3906d
Directory moves. src/RTEMS/ => src/libCom/RTEMS/ src/as/ => src/ioc/as/ src/bpt/ => src/ioc/bpt/ src/ca/ => src/ca/client/ src/cap5/ => src/ca/client/perl/ src/cas/ => src/ca/legacy/pcas/ src/catools/ => src/ca/client/tools/ src/db/ => src/ioc/db/ src/dbStatic/ => src/ioc/dbStatic/ src/dbtools/ => src/ioc/dbtemplate/ src/dev/softDev/ => src/std/dev/ src/dev/testDev/ => src/std/test/ src/excas/ => src/ca/legacy/pcas/ex/ src/gdd/ => src/ca/legacy/gdd/ src/makeBaseApp/ => src/template/base/ src/makeBaseExt/ => src/template/ext/ src/misc/ => src/ioc/misc/ src/rec/ => src/std/rec/ src/registry/ => src/ioc/registry/ src/rsrv/ => src/ioc/rsrv/ src/softIoc/ => src/std/softIoc/ src/toolsComm/ => src/libCom/tools/
101 lines
2.4 KiB
C
101 lines
2.4 KiB
C
/*************************************************************************\
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* Copyright (c) 2008 UChicago Argonne LLC, as Operator of Argonne
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* National Laboratory.
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* Copyright (c) 2002 Lawrence Berkeley Laboratory,The Control Systems
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* Group, Systems Engineering Department
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* EPICS BASE is distributed subject to a Software License Agreement found
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* in file LICENSE that is included with this distribution.
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\*************************************************************************/
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/* $Revision-Id$
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*
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* Author: Carl Lionberger
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* Date: 9-2-93
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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 "devSup.h"
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#include "subArrayRecord.h"
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#include "epicsExport.h"
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/* Create the dset for devSASoft */
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static long init_record(subArrayRecord *prec);
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static long read_sa(subArrayRecord *prec);
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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_sa;
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} devSASoft = {
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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_sa
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};
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epicsExportAddress(dset, devSASoft);
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static long init_record(subArrayRecord *prec)
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{
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/* INP must be CONSTANT, PV_LINK, DB_LINK or CA_LINK*/
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switch (prec->inp.type) {
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case CONSTANT:
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prec->nord = 0;
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break;
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case PV_LINK:
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case DB_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 *)prec,
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"devSASoft (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_sa(subArrayRecord *prec)
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{
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long nRequest = prec->indx + prec->nelm;
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long ecount;
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if (nRequest > prec->malm)
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nRequest = prec->malm;
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if (prec->inp.type == CONSTANT)
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nRequest = prec->nord;
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else
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dbGetLink(&prec->inp, prec->ftvl, prec->bptr, 0, &nRequest);
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ecount = nRequest - prec->indx;
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if (ecount > 0) {
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int esize = dbValueSize(prec->ftvl);
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if (ecount > prec->nelm)
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ecount = prec->nelm;
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memmove(prec->bptr, (char *)prec->bptr + prec->indx * esize,
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ecount * esize);
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} else
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ecount = 0;
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prec->nord = ecount;
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if (nRequest > 0 &&
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prec->tsel.type == CONSTANT &&
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prec->tse == epicsTimeEventDeviceTime)
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dbGetTimeStamp(&prec->inp, &prec->time);
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return 0;
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}
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