caiji.c

在cvi下

#include <cvirte.h>		
#include <userint.h>
#include "caiji.h"
#include "pci1780.h" 

static int panelHandle;
static int  DriverHandle 	  ;
static int  ccc 	  ;  
static int  ddd	  ; 
static double  eee	  ; 
static struct PT_CounterConfig nConfig;
static struct PT_CounterEventStart nStart;
static struct PT_CounterEventRead  nEventRead;


int main (int argc, char *argv[])
{
	if (InitCVIRTE (0, argv, 0) == 0)
		return -1;	/* out of memory */
	if ((panelHandle = LoadPanel (0, "caiji.uir", PANEL)) < 0)
		return -1;
	DRV_DeviceOpen (0,&DriverHandle);
	SetCtrlAttribute (panelHandle, PANEL_TIMER, ATTR_ENABLED, 0); 
	
	DisplayPanel (panelHandle);
	RunUserInterface ();
	DiscardPanel (panelHandle);
	DRV_CounterReset (DriverHandle,2);
	DRV_DeviceClose (DriverHandle);
	return 0;
}

int CVICALLBACK timcb (int panel, int control, int event,
		void *callbackData, int eventData1, int eventData2)
{
	switch (event)
	{
		case EVENT_TIMER_TICK:
			
			DRV_CounterEventStart(DriverHandle,&nStart);      
			DRV_CounterEventRead (DriverHandle,&nEventRead) ;
			
			eee=(double)ddd;
			SetCtrlVal (panelHandle, PANEL_NUMERIC, eee);

			break;
	}
	return 0;
}

int CVICALLBACK okcb (int panel, int control, int event,
		void *callbackData, int eventData1, int eventData2)
{
	switch (event)
	{
		case EVENT_COMMIT:

			nConfig.usCounter=2;
			nConfig.usInitValue=1;
			nConfig.usCountMode=0;
			nConfig.usCountDirect=1;
			nConfig.usCountEdge=0;
			nConfig.usOutputEnable=1;
			nConfig.usOutputMode=0;
			nConfig.usClkSrc=1;
			nConfig.usGateSrc=0;
			nConfig.usGatePolarity=0;
			DRV_CounterConfig (DriverHandle,&nConfig);
			
			nStart.counter=2;
			nStart.GateMode=0;

			SetCtrlAttribute (panelHandle, PANEL_TIMER, ATTR_ENABLED, 1);
						
 			nEventRead.counter=2;
 			nEventRead.overflow=&ccc;
			nEventRead.Count=&ddd;	

			break;
	}
	return 0;
}

int CVICALLBACK quitcb (int panel, int control, int event,
		void *callbackData, int eventData1, int eventData2)
{
	switch (event)
	{
		case EVENT_COMMIT:
			QuitUserInterface (0);
			break;
	}
	return 0;
}