61 lines
1.5 KiB
C
61 lines
1.5 KiB
C
/*************************************************************************\
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* Copyright (c) 2012 UChicago Argonne LLC, as Operator of Argonne
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* National Laboratory.
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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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/* Long String Input soft device support
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*
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* Author: Andrew Johnson
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* Date: 2012-11-28
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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 "epicsTime.h"
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#include "recGbl.h"
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#include "devSup.h"
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#include "link.h"
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#include "lsiRecord.h"
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#include "epicsExport.h"
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static long init_record(lsiRecord *prec)
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{
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/* Handle CONSTANT links */
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if (prec->inp.type == CONSTANT) {
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char tmp[MAX_STRING_SIZE];
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if (recGblInitConstantLink(&prec->inp, DBF_STRING, tmp)) {
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long len = prec->sizv;
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strncpy(prec->val, tmp, len);
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prec->len = strlen(prec->val) + 1;
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prec->udf = FALSE;
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}
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}
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return 0;
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}
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static long read_string(lsiRecord *prec)
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{
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long status = dbGetLinkLS(&prec->inp, prec->val, prec->sizv, &prec->len);
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if (!status &&
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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 status;
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}
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lsidset devLsiSoft = {
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5, NULL, NULL, init_record, NULL, read_string
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};
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epicsExportAddress(dset, devLsiSoft);
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