107 lines
2.7 KiB
C
107 lines
2.7 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 The Regents of the University of California, as
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* Operator of Los Alamos 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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/*
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* devAaiSoft.c - Device Support Routines for soft Waveform Records
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*
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* Original Author: Bob Dalesio
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* Current Author: Dirk Zimoch
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* Date: 27-MAY-2010
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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 "dbConstLink.h"
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#include "recGbl.h"
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#include "devSup.h"
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#include "cantProceed.h"
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#include "menuYesNo.h"
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#include "aaiRecord.h"
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#include "epicsExport.h"
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/* Create the dset for devAaiSoft */
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static long init_record();
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static long read_aai();
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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_aai;
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} devAaiSoft = {
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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_aai
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};
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epicsExportAddress(dset,devAaiSoft);
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static long init_record(aaiRecord *prec)
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{
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DBLINK *plink = &prec->inp;
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/* This is pass 0, link hasn't been initialized yet */
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dbInitLink(plink, DBF_INLINK);
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if (dbLinkIsConstant(plink)) {
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long nRequest = prec->nelm;
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long status;
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/* Allocate a buffer, record support hasn't done that yet */
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if (!prec->bptr) {
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prec->bptr = callocMustSucceed(nRequest, dbValueSize(prec->ftvl),
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"devAaiSoft: buffer calloc failed");
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}
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status = dbLoadLinkArray(plink, prec->ftvl, prec->bptr, &nRequest);
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if (!status && nRequest > 0) {
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prec->nord = nRequest;
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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 readLocked(struct link *pinp, void *dummy)
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{
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aaiRecord *prec = (aaiRecord *) pinp->precord;
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long nRequest = prec->nelm;
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long status = dbGetLink(pinp, prec->ftvl, prec->bptr, 0, &nRequest);
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if (!status && nRequest > 0) {
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prec->nord = nRequest;
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prec->udf = FALSE;
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if (dbLinkIsConstant(&prec->tsel) &&
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prec->tse == epicsTimeEventDeviceTime)
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dbGetTimeStamp(pinp, &prec->time);
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}
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return status;
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}
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static long read_aai(aaiRecord *prec)
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{
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struct link *pinp = prec->simm == menuYesNoYES ? &prec->siol : &prec->inp;
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long status = dbLinkDoLocked(pinp, readLocked, NULL);
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if (status == S_db_noLSET)
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status = readLocked(pinp, NULL);
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return status;
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}
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