Bnc 1105 Universal Counter Manuel d'utilisateur télécharger pdf (Page 171)

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. About Application Programs

This section provides a brief description for each MODEL 1105 sample

collection.

Using CONFigure to Measurement

Example 1 Freq & Ratio measurement

// Freq_Ratio.cpp : Defines the entry point for the console application.

#include "stdafx.h"

#include "visa.h" //include visa32.lib first to the project.

#define MAX_COUNT 200

#include "stdio.h"

int main(int argc, char* argv[])

{

ViStatus stat; /* For checking errors */

ViSession defaultRM; /* Communication channels */

ViSession sesn; /* Communication channel */

ViChar rsrcName[VI_FIND_BUFLEN]; /* Serial resource name */

ViChar intfDesc[VI_FIND_BUFLEN]; /* Port binding description */

ViUInt32 ret; /* To hold number of resources */

ViFindList flist; /* To hold list of resources */

char readin[128]="";

int tmo;

printf("\n ###### Start C++ Example program. ######\n");

printf(" We check the Counter on USB port and\n");

printf(" identify the first connected device.\n\n");

/* Begin by initializing the system */

stat = viOpenDefaultRM(&defaultRM);

if (stat < VI_SUCCESS) {

/* Error Initializing VISA...exiting */

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Bnc 1105 Universal Counter Manuel d'utilisateur Page 171