Computer will freeze and have no response at all when it runs the following codes. Fmt () is probablly the reason for that. Any solutions? Thanks.
#include <formatio.h>
#include <dataacq.h>
#include <utility.h>
#include <ansi_c.h>
#include <cvirte.h>
#include <userint.h>
#include "real time.h"
static int panelHandle, tsqHandle;
int CVICALLBACK WriteQueue (void *functionData);
int threadID, j;
int plotFlag;
volatile int stopFlag;
int main (int argc, char *argv[])
{
if (InitCVIRTE (0, argv, 0) == 0)
return -1; /* out of memory */
if ((panelHandle = LoadPanel (0, "real time.uir", PANEL)) < 0)
return -1;
DisplayPanel (panelHandle);
RunUserInterface ();
DiscardPanel (panelHandle);
return 0;
}
int CVICALLBACK Start (int panel, int control, int event,
void *callbackData, int eventData1, int eventData2)
{
int number, readID, i;
float dsp;
char read_string [300];
switch (event)
{
case EVENT_COMMIT:
CmtScheduleThreadPoolFunction (DEFAULT_THREAD_POOL_HANDLE, WriteQueue,
0, &threadID);
stopFlag = 0;
plotFlag = 0;
j = 0;
while (1)
{
if (stopFlag == 1) break;
SetCtrlVal (panel, PANEL_Z, (double) j++);
ProcessSystemEvents ();
}
CmtWaitForThreadPoolFunctionCompletion (DEFAULT_THREAD_POOL_HANDLE, threadID, 0);
CmtReleaseThreadPoolFunctionID (DEFAULT_THREAD_POOL_HANDLE, threadID);
break;
}
return 0;
}
int CVICALLBACK Stop (int panel, int control, int event,
void *callbackData, int eventData1, int eventData2)
{
switch (event)
{
case EVENT_COMMIT:
stopFlag = 1;
break;
}
return 0;
}
int CVICALLBACK WriteQueue (void *functionData)
{
double dsp;
char read_string [300];
while (!stopFlag) /*Forzen3: Z can not go beyond 200.*/
{
strcpy (read_string, "123");
Fmt (&dsp, "%f<%s", read_string);
}
return 0;
}
