Keysight CXG, EXG, and MXG X-Series Signal Generators Programming Guide 89
Programming Examples
GPIB Programming Interface Examples
#include "StdAfx.h"
#include <visa.h>
#include <iostream>
#include <stdlib.h>
#include <conio.h>
void main ()
{
ViSession defaultRM, vi; // Declares variables of type
ViSession
// for instrument communication
ViStatus viStatus = 0; // Declares a variable of type
ViStatus
// for GPIB verifications
char rdBuffer [256]; // Declare variable to hold
string data
int num; // Declare variable to hold integer
data
viStatus=viOpenDefaultRM(&defaultRM); // Initialize VISA
system
// Open session to GPIB device at
address 19
viStatus=viOpen(defaultRM, "GPIB::19::INSTR", VI_NULL, VI_NULL,
&vi);
if(viStatus){ // If problems then prompt user
printf("Could not open ViSession!\n");
printf("Check instruments and connections\n");
printf("\n");
exit(0);}
viPrintf(vi, "*RST\n"); // Reset the signal generator
viPrintf(vi, "FREQ 500 kHz\n"); // Set the source CW frequency
for 500 kHz
viPrintf(vi, "FREQ:CW?\n"); // Query the CW frequency
viScanf(vi, "%t", rdBuffer); // Read signal generator response
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