Chapter 2 2-7
Introduction to Instrument Control
Instrument Control using the VXIplug&play Driver
Figure 2-3 Win32 VISA Interactive Control: Sending a Command
Controlling the Analyzer with the VXIplug&play Driver
The “Programming Examples” CD-ROM that was shipped with this manual includes many
example programs that can be used to control your analyzer. Example programs written
for Visual C++ are located in the “vc” directory on the CD-ROM, and example programs
written for Visual BASIC are located in the “vb” directory. These examples are also
available within the Windows help file for the VXIplug&play driver. The following sections
provide some information on using the VXIplug&play driver with the Visual C++ and
Visual BASIC programming environments. Refer to Chapter 7 , “Programming Examples,”
for detailed information on each of the example programs.
Using Visual BASIC to Control the Analyzer
When using Visual BASIC, you will need to include the two files listed below in your
project. They were installed on your computer in the following directories when you
installed the driver:
• \vxipnp\winxx\hp875x\hp875x.bas
• \vxipnp\winxx\include\visa32.bas
NOTE The directories shown above are the default locations for these files. (“winxx”
indicates the operating system you are using, such as winnt, win95, etc.) If
you designated a different path during installation, you will need to amend
the path above to include the specific path that you indicated during
installation.
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