6 Application Programs
172 Keysight E3633A and E3634A User’s Guide
Example Program for C and C++
The following C programming example shows you how to send and receive
formatted I/O. This example programming shows you how to use the SCPI
commands for the instrument with the VISA functionality and does include error
trapping. For more information on non-formatted I/O and error trapping, refer to
the Keysight VISA User’s Guide.
The following C programming example was written in Microsoft® Visual C++
version 1.52 using project type “QuickWin application”, and using the large
memory model and C++ version 4.x or 5.0 using project type “Windows 32
application”. Be sure to move the “visa.lib (Windows® 3.1) or visa32.lib
(Windows® 95/NT)” and “visa.h” file to the lib and include development directory.
These are usually found in the c:\vxipnp\win(win95 or winnt)\lib\msc or
c:\vxipnp\win (win95 or winnt)\include directory.
Diode.c
/*Diode.C
This example program steps the power supply through 11 voltages and measures the
current response. It prints the voltage step and the current response as a table.
Note that the GPIB address is the default address from the factory for the power
supply.*/
#include <visa.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <conio.h>
#include <stdlib.h>
ViSession defaultRM; /* Resource manager id */
ViSession power_supply; /* Identifies power supply */
int bGPIB = 1; /* Set the number to 0 for use with the RS-232 */
long ErrorStatus; /* VISA Error code */
char commandString[256];
char ReadBuffer[256];
void delay(clock_t wait);
void SendSCPI(char* pString);
void CheckError(char* pMessage);
void OpenPort();
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