sample.c

利用虚拟仪器测试各类物理量

#include <analysis.h>
#include <cvirte.h>		
#include <userint.h>
#include "sample.h"
static double A;
static double F;
static double Wave[1024];

static int panelHandle;

int __stdcall WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
                       LPSTR lpszCmdLine, int nCmdShow)
{
	if (InitCVIRTE (hInstance, 0, 0) == 0)
		return -1;	/* out of memory */
	if ((panelHandle = LoadPanel (0, "sample.uir", PANEL)) < 0)
		return -1;
	DisplayPanel (panelHandle);
	GetCtrlVal (panelHandle, PANEL_HORIZONTAL, &F);
	SetCtrlVal (panelHandle, PANEL_HREADOUT, 10.00);
	GetCtrlVal (panelHandle, PANEL_VERTICAL, &A);
	SetCtrlVal (panelHandle, PANEL_VREADOUT, 10.00);
	RunUserInterface ();
	DiscardPanel (panelHandle);
	return 0;
}

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

int CVICALLBACK SetVertical (int panel, int control, int event,
		void *callbackData, int eventData1, int eventData2)
{
	switch (event)
		{
		case EVENT_COMMIT:
		DeleteGraphPlot (panelHandle, PANEL_DISPLAY, -1,0); 
		GetCtrlVal (panelHandle, PANEL_VERTICAL, &A);
	    SetCtrlVal (panelHandle, PANEL_VREADOUT, A);
			break;
		}
	return 0;
}

int CVICALLBACK SetHorizontal (int panel, int control, int event,
		void *callbackData, int eventData1, int eventData2)
{
	switch (event)
		{
		case EVENT_COMMIT:
		 DeleteGraphPlot (panelHandle, PANEL_DISPLAY, -1,0);
		 GetCtrlVal (panelHandle, PANEL_HORIZONTAL, &F);
	     SetCtrlVal (panelHandle, PANEL_HREADOUT, F);
			break;
		}
	return 0;
}

int CVICALLBACK UpdateCallback (int panel, int control, int event,
		void *callbackData, int eventData1, int eventData2)
{
	switch (event)
		{
		case EVENT_TIMER_TICK:
		   SinePattern (1024, A, 0.0, F, Wave);
		   PlotY (panelHandle, PANEL_DISPLAY, Wave, 1024, VAL_DOUBLE, VAL_THIN_LINE, VAL_EMPTY_SQUARE,
				  VAL_SOLID, 1, VAL_RED);
		   
			break;
		}
	return 0;
}