Move all under modules/database

2018-06-19 11:31:13 +02:00
parent e613d685fd
commit 568c405165
562 changed files with 0 additions and 101 deletions
@@ -0,0 +1,104 @@
+/*************************************************************************\
+* Copyright (c) 2008 UChicago Argonne LLC, as Operator of Argonne
+*     National Laboratory.
+* Copyright (c) 2002 The Regents of the University of California, as
+*     Operator of Los Alamos National Laboratory.
+* EPICS BASE is distributed subject to a Software License Agreement found
+* in file LICENSE that is included with this distribution. 
+\*************************************************************************/
+
+/*
+ *      Original Authors: Bob Dalesio and Marty Kraimer
+ *      Date: 3/6/91
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "alarm.h"
+#include "dbDefs.h"
+#include "dbAccess.h"
+#include "epicsMath.h"
+#include "recGbl.h"
+#include "devSup.h"
+#include "aiRecord.h"
+#include "epicsExport.h"
+
+/* Create the dset for devAiSoft */
+static long init_record(aiRecord *prec);
+static long read_ai(aiRecord *prec);
+
+struct {
+    long      number;
+    DEVSUPFUN report;
+    DEVSUPFUN init;
+    DEVSUPFUN init_record;
+    DEVSUPFUN get_ioint_info;
+    DEVSUPFUN read_ai;
+    DEVSUPFUN special_linconv;
+} devAiSoft = {
+    6,
+    NULL,
+    NULL,
+    init_record,
+    NULL,
+    read_ai,
+    NULL
+};
+epicsExportAddress(dset, devAiSoft);
+
+static long init_record(aiRecord *prec)
+{
+    if (recGblInitConstantLink(&prec->inp, DBF_DOUBLE, &prec->val))
+        prec->udf = FALSE;
+
+    return 0;
+}
+
+struct aivt {
+    double val;
+    epicsTimeStamp *ptime;
+};
+
+static long readLocked(struct link *pinp, void *vvt)
+{
+    struct aivt *pvt = (struct aivt *) vvt;
+    long status = dbGetLink(pinp, DBR_DOUBLE, &pvt->val, 0, 0);
+
+    if (!status && pvt->ptime)
+        dbGetTimeStamp(pinp, pvt->ptime);
+
+    return status;
+}
+
+static long read_ai(aiRecord *prec)
+{
+    long status;
+    struct aivt vt;
+
+    if (dbLinkIsConstant(&prec->inp))
+        return 2;
+
+    vt.ptime = (dbLinkIsConstant(&prec->tsel) &&
+        prec->tse == epicsTimeEventDeviceTime) ? &prec->time : NULL;
+
+    status = dbLinkDoLocked(&prec->inp, readLocked, &vt);
+    if (status == S_db_noLSET)
+        status = readLocked(&prec->inp, &vt);
+
+    if (!status) {
+        /* Apply smoothing algorithm */
+        if (prec->smoo != 0.0 && prec->dpvt && finite(prec->val))
+            prec->val = vt.val * (1.0 - prec->smoo) + (prec->val * prec->smoo);
+        else
+            prec->val = vt.val;
+
+        prec->udf = FALSE;
+        prec->dpvt = &devAiSoft;        /* Any non-zero value */
+    }
+    else
+        prec->dpvt = NULL;
+
+    return 2;
+}