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EzcaEvent.c
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/*************************************************************************\
* Copyright (c) 2002 The University of Chicago, as Operator of Argonne
* National Laboratory.
* Copyright (c) 2002 The Regents of the University of California, as
* Operator of Los Alamos National Laboratory.
* This file is distributed subject to a Software License Agreement found
* in the file LICENSE that is included with this distribution.
\*************************************************************************/
/*
* Original Author: Ben-chin Cha
* Date: 11-21-95
*/
#ifdef _WIN32
#include "windows.h"
#endif
#include <dbDefs.h>
#include <cadef.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <epicsTime.h>
#ifdef EZCA
#include <ezca.h>
#endif
#define epicsExportSharedSymbols
#include "EzcaScan.h"
double atof();
/******************************************************
time stamp in seconds get from IOC
******************************************************/
double epicsShareAPI Ezca_iocClockTime(stamp)
TS_STAMP *stamp;
{
char nowText[33];
double time;
if ((stamp->nsec + stamp->secPastEpoch) == 0 )
epicsTimeGetCurrent(stampTS);
time = 0.001 * (stamp->nsec / 1000000) + stamp->secPastEpoch;
if (CA.devprflag > 0) {
epicsTimeToStrftime(nowText,"%b %d, %Y %H:%M:%S.%09f",stamp)
fprintf(stderr,"epicsTimeToStrftime:%s", nowText);
fprintf(stderr," IOC time=%.3f sec\n", time);
}
return time;
}
/******************************************************
call dbr_time_callback instead of ca_get function
******************************************************/
void Ezca_getTimeCallback(args)
struct event_handler_args args;
{
char string[MAX_STRING_SIZE];
char *pchar;
double *pdouble;
float *pfloat;
int *pint;
short *ps;
long *plong;
int count;
chandata *pchandata;
struct dbrtemp { chandata *pchan;
int rtype;
int rcount;
} *temparg;
temparg = (struct dbrtemp *)args.usr;
pchandata = (chandata *)ca_puser(args.chid);
count = ca_element_count(pchandata->chid);
#ifdef ACCESS_SECURITY
if (args.status == ECA_NORMAL) {
#endif
/* get new value */
switch (temparg->rtype) {
case DBR_TIME_DOUBLE:
memcpy((char *)pchandata->pvalue,
(char *)&((struct dbr_time_double *)args.dbr)->value,
temparg->rcount*dbr_value_size[DBR_TIME_DOUBLE]);
pchandata->status = ((struct dbr_time_double *)args.dbr)->status;
pchandata->severity = ((struct dbr_time_double *)args.dbr)->severity;
pchandata->stamp = ((struct dbr_time_double *)args.dbr)->stamp;
pdouble = (double *)pchandata->pvalue;
pchandata->value = *pdouble;
pchandata->error = 0;
break;
case DBR_TIME_FLOAT:
memcpy((char *)pchandata->pvalue,
(char *)&((struct dbr_time_float *)args.dbr)->value,
temparg->rcount*dbr_value_size[DBR_TIME_FLOAT]);
pchandata->status = ((struct dbr_time_float *)args.dbr)->status;
pchandata->severity = ((struct dbr_time_float *)args.dbr)->severity;
pchandata->stamp = ((struct dbr_time_float *)args.dbr)->stamp;
pfloat = (float *)pchandata->pvalue;
pchandata->value = *pfloat;
pchandata->error = 0;
break;
case DBR_TIME_INT:
memcpy((char *)pchandata->pvalue,
(char *)&((struct dbr_time_short *)args.dbr)->value,
temparg->rcount*dbr_value_size[DBR_TIME_INT]);
pchandata->status = ((struct dbr_time_short *)args.dbr)->status;
pchandata->severity = ((struct dbr_time_short *)args.dbr)->severity;
pchandata->stamp = ((struct dbr_time_short *)args.dbr)->stamp;
ps = (short *)pchandata->pvalue;
pchandata->value = *ps;
pchandata->error = 0;
break;
case DBR_TIME_ENUM:
memcpy((char *)pchandata->pvalue,
(char *)&((struct dbr_time_short *)args.dbr)->value,
temparg->rcount*dbr_value_size[DBR_TIME_ENUM]);
pchandata->status = ((struct dbr_time_short *)args.dbr)->status;
pchandata->severity = ((struct dbr_time_short *)args.dbr)->severity;
pchandata->stamp = ((struct dbr_time_short *)args.dbr)->stamp;
ps = (short *)pchandata->pvalue;
pchandata->value = *ps;
pchandata->error = 0;
break;
case DBR_TIME_LONG:
memcpy((char *)pchandata->pvalue,
(char *)&((struct dbr_time_long *)args.dbr)->value,
temparg->rcount*dbr_value_size[DBR_TIME_LONG]);
pchandata->status = ((struct dbr_time_long *)args.dbr)->status;
pchandata->severity = ((struct dbr_time_long *)args.dbr)->severity;
pchandata->stamp = ((struct dbr_time_long *)args.dbr)->stamp;
plong = (long *)pchandata->pvalue;
pchandata->value = *plong;
pchandata->error = 0;
break;
case DBR_TIME_CHAR:
memcpy((char *)pchandata->pvalue,
(char *)&((struct dbr_time_char *)args.dbr)->value,
temparg->rcount*dbr_value_size[DBR_TIME_CHAR]);
pchandata->status = ((struct dbr_time_char *)args.dbr)->status;
pchandata->severity = ((struct dbr_time_char *)args.dbr)->severity;
pchandata->stamp = ((struct dbr_time_char *)args.dbr)->stamp;
pchar = (char *)pchandata->pvalue;
pchandata->value = *pchar;
pchandata->error = 0;
break;
case DBR_TIME_STRING:
memcpy((char *)pchandata->pvalue,
(char *)&((struct dbr_time_string *)args.dbr)->value,
temparg->rcount*MAX_STRING_SIZE);
pchandata->status = ((struct dbr_time_string *)args.dbr)->status;
pchandata->severity = ((struct dbr_time_string *)args.dbr)->severity;
pchandata->stamp = ((struct dbr_time_string *)args.dbr)->stamp;
strncpy(pchandata->string,pchandata->pvalue,MAX_STRING_SIZE);
pchandata->value = atof(pchandata->string);
pchandata->error = 0;
break;
default:
fprintf(stderr,"NOT supported : %d\n",temparg->rtype);
break;
}
#ifdef ACCESS_SECURITY
}
else
fprintf(stderr,"Diagnostic: Read access denied : %s\n",
ca_name(pchandata->chid));
#endif
}
/******************************************************
callback instead of ca_put function
******************************************************/
void Ezca_putTimeCallback(args)
struct event_handler_args args;
{
chandata *pchandata;
struct dbrtemp { chandata *pchan;
int rtype;
int rcount;
} *temparg;
temparg = (struct dbrtemp *)args.usr;
pchandata = (chandata *)ca_puser(args.chid);
#ifdef ACCESS_SECURITY
if (args.status == ECA_NORMAL) {
#endif
if (CA.devprflag > 0)
{
fprintf(stderr,"Ezca_putTimeCallback: type=%d, count=%d\n",
temparg->rtype,temparg->rcount);
}
pchandata->error = 0;
#ifdef ACCESS_SECURITY
}
else
fprintf(stderr,"Diagnostic: write access denied : %s\n",
ca_name(pchandata->chid));
#endif
}