Chapter 4 Developing Your NI-488.2 Application
NI-488.2 User Manual 4-16 ni.com
Before exiting your application, you need to free gpib-32.dll with the
following command:
FreeLibrary(Gpib32Lib);
For more examples of directly accessing gpib-32.dll, refer to the direct
entry sample programs dlldevquery.c and dll4882query.c, installed
with the NI-488.2 software. For more information about direct entry, refer
to the online help for your development environment.
Language-Specific Programming Instructions for Mac OS X
The following information describes how to develop, compile, and link
your Mac OS X NI-488.2 applications.
Before you compile your application, remember to include the following
line at the beginning of your program:
#include <NI488/ni488.h>
To compile and link your application using the CodeWarrior or Project
Builder environments, include NI488.framework into your CodeWarrior
or Project Builder project. The framework is located at /Library/
Frameworks.
To compile and link your application in a Terminal Shell, type the following
code on the command line:
cc cprog.c -framework NI488
Language-Specific Programming Instructions for Linux
The following information describes how to develop, compile, and link
your Linux NI-488.2 applications.
Before you compile your application, remember to include the following
line at the beginning of your program:
#include <ni488.h>
Your application must link with the NI-488.2 dynamic library
libgpibapi.so. There are two ways to load a dynamic library on
Linux—static and dynamic. To have the library statically loaded at the time