754eb73334
. aoRecord . biRecord . boRecord . mbbiRecord . mbbiDirectRecord . mbboRecord . mbboDirectRecord . longinRecord . longoutRecord . stringoutRecord . stringinRecord . waveformRecord . calcoutRecord . subArrayRecord - Device support updates: . devAoSoft, devAoSoftCallback, devAoSoftRaw (aoRecord) . devBiSoft, devBiSoftCallback, devBiSoftRaw, devBiDbState (biRecord) . devBoSoft, devBoSoftCallback, devBoSoftRaw, devBoDbState, devGeneralTime (boRecord) . devMbbiSoft, devMbbiSoftCallback, devMbbiSoftRaw (mbbiRecord) . devMbboSoft, devMbboSoftCallback, devMbboSoftRaw (mbboRecord) . devMbbiDirectSoft, devMbbiDirectSoftCallback, devMbbiDirectSoftRaw (mbbiDirectRecord) . devMbboDirectSoft, devMbboDirectSoftCallback, devMbboDirectSoftRaw (mbboDirectRecord) . devGeneralTime, devLiSoft, devLiSoftCallback (longinRecord) . devLoSoft, devLoSoftCallback (longoutRecord) . devSoSoft, devSoSoftCallback, devStdio (stringoutRecord) . devSiSoft, devSiSoftCallback, devEnviron, devGeneralTime, devTimestamp (stringinRecord) . devWfSoft (waveformRecord) . devCalcoutSoft, devCalcoutSoftCallback (recordCalcout) . devSASoft (subArrayRecord)
127 lines
3.1 KiB
C
127 lines
3.1 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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/*
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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 "dbEvent.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(dbCommon *pcommon);
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static long read_sa(subArrayRecord *prec);
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sadset devSASoft = {
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{5, NULL, NULL, init_record, NULL},
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read_sa
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};
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epicsExportAddress(dset, devSASoft);
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static void subset(subArrayRecord *prec, long nRequest)
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{
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long 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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prec->udf = FALSE;
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}
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static long init_record(dbCommon *pcommon)
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{
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subArrayRecord *prec = (subArrayRecord *)pcommon;
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long nRequest = prec->indx + prec->nelm;
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long status;
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if (nRequest > prec->malm)
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nRequest = prec->malm;
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status = dbLoadLinkArray(&prec->inp, prec->ftvl, prec->bptr, &nRequest);
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if (!status && nRequest > 0)
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subset(prec, nRequest);
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return status;
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}
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struct sart {
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long nRequest;
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epicsTimeStamp *ptime;
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};
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static long readLocked(struct link *pinp, void *vrt)
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{
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subArrayRecord *prec = (subArrayRecord *) pinp->precord;
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struct sart *prt = (struct sart *) vrt;
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long status = dbGetLink(pinp, prec->ftvl, prec->bptr, 0, &prt->nRequest);
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if (!status && prt->ptime)
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dbGetTimeStamp(pinp, prt->ptime);
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return status;
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}
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static long read_sa(subArrayRecord *prec)
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{
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long status;
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struct sart rt;
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epicsUInt32 nord = prec->nord;
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rt.nRequest = prec->indx + prec->nelm;
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if (rt.nRequest > prec->malm)
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rt.nRequest = prec->malm;
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rt.ptime = (dbLinkIsConstant(&prec->tsel) &&
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prec->tse == epicsTimeEventDeviceTime) ? &prec->time : NULL;
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if (dbLinkIsConstant(&prec->inp)) {
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status = dbLoadLinkArray(&prec->inp, prec->ftvl, prec->bptr, &rt.nRequest);
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if (status == S_db_badField) { /* INP was empty */
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rt.nRequest = prec->nord;
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status = 0;
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}
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}
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else {
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status = dbLinkDoLocked(&prec->inp, readLocked, &rt);
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if (status == S_db_noLSET)
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status = readLocked(&prec->inp, &rt);
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}
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if (!status && rt.nRequest > 0) {
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subset(prec, rt.nRequest);
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if (nord != prec->nord)
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db_post_events(prec, &prec->nord, DBE_VALUE | DBE_LOG);
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}
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return status;
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}
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