National Instruments NI-488.2 Benutzerhandbuch

Chapter 3

Developing Your NI-488.2 Application

3-12

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Step 4a.

Use

SendList

to send the

"*IDN?"

query command to multiple GPIB

devices. The address is the list of GPIB devices to be queried. The buffer
that you pass to

SendList

is the command message to the device.

Step 4b.

Use

Receive

for each device to read the responses from each device.

Continue communicating with the GPIB devices until you are finished.

Cleanup

Step 5. Place the Interface Offline before Exiting Your Application

Use

ibonl

to put the interface offline before you exit the application.

Language-Specific Programming Instructions

The following sections describe how to develop, compile, and link your
Win32 NI-488.2 applications using various programming languages.

Microsoft Visual C/C++ (Version 2.0 or Later)

Before you compile your Win32 C application, make sure that the
following lines are included at the beginning of your program:

#include <windows.h>

#include "decl-32.h"

To compile and link a Win32 console application named

cprog

in a DOS

shell, type the following on the command line:

cl cprog.c gpib-32.obj

Borland C/C++ (Version 4.0 or Later)