066984e11d
* master: (226 commits) ioc/db: testdbGetFieldEqual() detect zero size Cleanup in asLib Allow whitespace before comments in AS config files Supress MS warning C4251 Add a plan to std/filters/test/syncTest.c Fix dbUnitTest.c avoid void* += Fix and test for macLib losing error status update notes libCom/test: ipAddrToAsciiTest skip cleanup unless valgrind is possible libCom/test: add ipAddrToAsciiTest to testHarness db/test: dbPutGetTest check dbGet() of long string field db: dbGet() ensure long string nil and actual string length db/test: dbPutGetTest check for dbGet() attribute crash db: fix dbGet() for attributes as long string db/test: dbPutGetTest add test for lp:1678494 db: fix dbGet() of link fields as DBF_CHAR dbUnitTest: add testdbGetArrFieldEqual() db/test: add dbPutGetTest Update release notes as per Michael's review comment ... Conflicts: src/ioc/db/dbLink.c src/ioc/db/test/Makefile src/std/dev/devSoSoftCallback.c src/std/rec/boRecord.c src/std/rec/dfanoutRecord.c src/std/rec/longinRecord.c src/std/rec/longoutRecord.c
472 lines
12 KiB
C
472 lines
12 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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* 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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/* histogramRecord.c - Record Support Routines for Histogram records */
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/*
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* Author: Janet Anderson
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* Date: 5/20/91
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*/
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#include <stddef.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <string.h>
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#include <math.h>
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#include <limits.h>
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#include "dbDefs.h"
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#include "epicsPrint.h"
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#include "alarm.h"
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#include "callback.h"
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#include "dbAccess.h"
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#include "dbEvent.h"
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#include "epicsPrint.h"
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#include "dbFldTypes.h"
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#include "devSup.h"
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#include "errMdef.h"
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#include "special.h"
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#include "recSup.h"
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#include "recGbl.h"
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#include "menuYesNo.h"
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#define GEN_SIZE_OFFSET
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#include "histogramRecord.h"
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#undef GEN_SIZE_OFFSET
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#include "epicsExport.h"
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#define indexof(field) histogramRecord##field
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/* Create RSET - Record Support Entry Table*/
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#define report NULL
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#define initialize NULL
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static long init_record(struct dbCommon *, int);
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static long process(struct dbCommon *);
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static long special(DBADDR *, int);
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#define get_value NULL
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static long cvt_dbaddr(DBADDR *);
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static long get_array_info(DBADDR *, long *, long *);
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#define put_array_info NULL
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static long get_units(DBADDR *, char *);
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static long get_precision(const DBADDR *paddr,long *precision);
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#define get_enum_str NULL
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#define get_enum_strs NULL
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#define put_enum_str NULL
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#define get_alarm_double NULL
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static long get_graphic_double(DBADDR *paddr,struct dbr_grDouble *pgd);
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static long get_control_double(DBADDR *paddr,struct dbr_ctrlDouble *pcd);
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rset histogramRSET = {
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RSETNUMBER,
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report,
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initialize,
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init_record,
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process,
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special,
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get_value,
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cvt_dbaddr,
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get_array_info,
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put_array_info,
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get_units,
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get_precision,
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get_enum_str,
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get_enum_strs,
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put_enum_str,
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get_graphic_double,
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get_control_double,
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get_alarm_double
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};
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epicsExportAddress(rset,histogramRSET);
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int histogramSDELprecision = 2;
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epicsExportAddress(int, histogramSDELprecision);
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struct histogramdset { /* histogram input dset */
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long number;
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DEVSUPFUN dev_report;
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DEVSUPFUN init;
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DEVSUPFUN init_record; /*returns: (-1,0)=>(failure,success)*/
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DEVSUPFUN get_ioint_info;
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DEVSUPFUN read_histogram;/*(0,2)=> success and add_count, don't add_count)*/
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/* if add_count then sgnl added to array */
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DEVSUPFUN special_linconv;
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};
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/* control block for callback*/
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typedef struct myCallback {
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CALLBACK callback;
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histogramRecord *prec;
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} myCallback;
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static long add_count(histogramRecord *);
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static long clear_histogram(histogramRecord *);
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static void monitor(histogramRecord *);
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static long readValue(histogramRecord *);
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static void wdogCallback(CALLBACK *arg)
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{
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myCallback *pcallback;
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histogramRecord *prec;
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callbackGetUser(pcallback, arg);
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prec = pcallback->prec;
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/* force post events for any count change */
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if (prec->mcnt > 0){
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dbScanLock((struct dbCommon *)prec);
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recGblGetTimeStamp(prec);
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db_post_events(prec, prec->bptr, DBE_VALUE | DBE_LOG);
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prec->mcnt = 0;
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dbScanUnlock((struct dbCommon *)prec);
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}
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if (prec->sdel > 0) {
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/* restart timer */
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callbackRequestDelayed(&pcallback->callback, prec->sdel);
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}
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return;
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}
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static long wdogInit(histogramRecord *prec)
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{
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myCallback *pcallback;
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if (!prec->wdog && prec->sdel > 0) {
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/* initialize a callback object */
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pcallback = calloc(1, sizeof(myCallback));
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pcallback->prec = prec;
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if (!pcallback)
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return -1;
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callbackSetCallback(wdogCallback, &pcallback->callback);
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callbackSetUser(pcallback, &pcallback->callback);
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callbackSetPriority(priorityLow, &pcallback->callback);
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prec->wdog = pcallback;
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}
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if (!prec->wdog)
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return -1;
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pcallback = prec->wdog;
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if (!pcallback)
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return -1;
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if (prec->sdel > 0) {
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/* start new timer on monitor */
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callbackRequestDelayed(&pcallback->callback, prec->sdel);
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}
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return 0;
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}
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static long init_record(struct dbCommon *pcommon, int pass)
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{
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struct histogramRecord *prec = (struct histogramRecord *)pcommon;
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struct histogramdset *pdset;
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if (pass == 0) {
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/* allocate space for histogram array */
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if (!prec->bptr) {
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if (prec->nelm <= 0)
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prec->nelm = 1;
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prec->bptr = calloc(prec->nelm, sizeof(epicsUInt32));
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}
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/* calulate width of array element */
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prec->wdth = (prec->ulim - prec->llim) / prec->nelm;
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return 0;
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}
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wdogInit(prec);
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recGblInitConstantLink(&prec->siml, DBF_USHORT, &prec->simm);
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recGblInitConstantLink(&prec->siol, DBF_DOUBLE, &prec->sval);
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/* must have device support defined */
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pdset = (struct histogramdset *) prec->dset;
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if (!pdset) {
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recGblRecordError(S_dev_noDSET, prec, "histogram: init_record");
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return S_dev_noDSET;
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}
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/* must have read_histogram function defined */
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if (pdset->number < 6 || !pdset->read_histogram) {
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recGblRecordError(S_dev_missingSup, prec, "histogram: init_record");
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return S_dev_missingSup;
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}
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/* call device support init_record */
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if (pdset->init_record) {
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long status = pdset->init_record(prec);
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if (status)
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return status;
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}
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return 0;
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}
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static long process(struct dbCommon *pcommon)
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{
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struct histogramRecord *prec = (struct histogramRecord *)pcommon;
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struct histogramdset *pdset = (struct histogramdset *) prec->dset;
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int pact = prec->pact;
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long status;
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if (!pdset || !pdset->read_histogram) {
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prec->pact = TRUE;
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recGblRecordError(S_dev_missingSup, prec, "read_histogram");
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return S_dev_missingSup;
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}
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status = readValue(prec); /* read the new value */
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/* check if device support set pact */
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if (!pact && prec->pact)
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return 0;
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prec->pact = TRUE;
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recGblGetTimeStamp(prec);
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if (status == 0)
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add_count(prec);
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else if (status == 2)
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status = 0;
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monitor(prec);
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recGblFwdLink(prec);
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prec->pact=FALSE;
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return status;
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}
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static long special(DBADDR *paddr, int after)
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{
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histogramRecord *prec = (histogramRecord *) paddr->precord;
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if (!after)
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return 0;
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switch (paddr->special) {
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case SPC_CALC:
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if (prec->cmd <= 1) {
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clear_histogram(prec);
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prec->cmd = 0;
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}
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else if (prec->cmd == 2) {
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prec->csta = TRUE;
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prec->cmd = 0;
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}
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else if (prec->cmd == 3) {
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prec->csta = FALSE;
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prec->cmd = 0;
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}
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return 0;
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case SPC_MOD:
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/* increment frequency in histogram array */
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add_count(prec);
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return 0;
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case SPC_RESET:
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if (dbGetFieldIndex(paddr) == histogramRecordSDEL) {
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wdogInit(prec);
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}
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else {
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prec->wdth = (prec->ulim - prec->llim) / prec->nelm;
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clear_histogram(prec);
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}
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return 0;
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default:
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recGblDbaddrError(S_db_badChoice, paddr, "histogram: special");
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return S_db_badChoice;
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}
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}
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static void monitor(histogramRecord *prec)
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{
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unsigned short monitor_mask = recGblResetAlarms(prec);
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/* post events for count change */
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if (prec->mcnt > prec->mdel){
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monitor_mask |= DBE_VALUE | DBE_LOG;
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/* reset counts since monitor */
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prec->mcnt = 0;
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}
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/* send out monitors connected to the value field */
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if (monitor_mask)
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db_post_events(prec, prec->bptr, monitor_mask);
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return;
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}
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static long cvt_dbaddr(DBADDR *paddr)
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{
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histogramRecord *prec = (histogramRecord *) paddr->precord;
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paddr->pfield = prec->bptr;
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paddr->no_elements = prec->nelm;
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paddr->field_type = DBF_ULONG;
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paddr->field_size = sizeof(epicsUInt32);
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paddr->dbr_field_type = DBF_ULONG;
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return 0;
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}
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static long get_array_info(DBADDR *paddr, long *no_elements, long *offset)
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{
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histogramRecord *prec = (histogramRecord *) paddr->precord;
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*no_elements = prec->nelm;
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*offset = 0;
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return 0;
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}
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static long add_count(histogramRecord *prec)
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{
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double temp;
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epicsUInt32 *pdest;
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int i;
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if (prec->csta == FALSE)
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return 0;
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if (prec->llim >= prec->ulim) {
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if (prec->nsev < INVALID_ALARM) {
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prec->stat = SOFT_ALARM;
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prec->sevr = INVALID_ALARM;
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return -1;
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}
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}
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if (prec->sgnl < prec->llim ||
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prec->sgnl >= prec->ulim)
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return 0;
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temp = prec->sgnl - prec->llim;
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for (i = 1; i <= prec->nelm; i++){
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if (temp <= (double) i * prec->wdth)
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break;
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}
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pdest = prec->bptr + i - 1;
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if (*pdest == (epicsUInt32) UINT_MAX)
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*pdest = 0;
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(*pdest)++;
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prec->mcnt++;
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return 0;
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}
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static long clear_histogram(histogramRecord *prec)
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{
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int i;
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for (i = 0; i < prec->nelm; i++)
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prec->bptr[i] = 0;
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prec->mcnt = prec->mdel + 1;
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prec->udf = FALSE;
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return 0;
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}
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static long readValue(histogramRecord *prec)
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{
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struct histogramdset *pdset = (struct histogramdset *) prec->dset;
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long status;
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if (prec->pact) {
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status = pdset->read_histogram(prec);
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return status;
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}
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status = dbGetLink(&prec->siml, DBR_USHORT, &prec->simm, 0, 0);
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if (status)
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return(status);
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if (prec->simm == menuYesNoNO) {
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status = pdset->read_histogram(prec);
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return status;
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}
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if (prec->simm == menuYesNoYES) {
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status = dbGetLink(&prec->siol,DBR_DOUBLE, &prec->sval, 0, 0);
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if (status == 0)
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prec->sgnl = prec->sval;
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}
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else {
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status = -1;
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recGblSetSevr(prec, SOFT_ALARM, INVALID_ALARM);
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return status;
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}
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recGblSetSevr(prec, SIMM_ALARM, prec->sims);
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return status;
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}
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static long get_units(DBADDR *paddr, char *units)
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{
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if (dbGetFieldIndex(paddr) == indexof(SDEL)) {
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strcpy(units,"s");
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}
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/* We should have EGU for other DOUBLE values or probably get it from input link SVL */
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return 0;
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}
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static long get_precision(const DBADDR *paddr,long *precision)
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{
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histogramRecord *prec = (histogramRecord *) paddr->precord;
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switch (dbGetFieldIndex(paddr)) {
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case indexof(ULIM):
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case indexof(LLIM):
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case indexof(SGNL):
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case indexof(SVAL):
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case indexof(WDTH):
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*precision = prec->prec;
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break;
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case indexof(SDEL):
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*precision = histogramSDELprecision;
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break;
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default:
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recGblGetPrec(paddr,precision);
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}
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return 0;
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}
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static long get_graphic_double(DBADDR *paddr,struct dbr_grDouble *pgd)
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{
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histogramRecord *prec = (histogramRecord *) paddr->precord;
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switch (dbGetFieldIndex(paddr)) {
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case indexof(VAL):
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pgd->upper_disp_limit = prec->hopr;
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pgd->lower_disp_limit = prec->lopr;
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break;
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case indexof(WDTH):
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pgd->upper_disp_limit = prec->ulim - prec->llim;
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pgd->lower_disp_limit = 0.0;
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break;
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default:
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recGblGetGraphicDouble(paddr,pgd);
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}
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return 0;
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}
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static long get_control_double(DBADDR *paddr,struct dbr_ctrlDouble *pcd)
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{
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histogramRecord *prec = (histogramRecord *) paddr->precord;
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switch (dbGetFieldIndex(paddr)) {
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case indexof(VAL):
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pcd->upper_ctrl_limit = prec->hopr;
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pcd->lower_ctrl_limit = prec->lopr;
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break;
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case indexof(WDTH):
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pcd->upper_ctrl_limit = prec->ulim - prec->llim;
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pcd->lower_ctrl_limit = 0.0;
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break;
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default:
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recGblGetControlDouble(paddr, pcd);
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}
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return 0;
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}
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