Agilent 8163A/B, 8164A/B & 8166A/B Mainframes, Fifth Edition 189
6VISA Programming Examples
How to Use VISA Calls . . . . . . . . . . . . . . . . . . . . . . . . . . . .190
How to Set up a Fixed Laser Source. . . . . . . . . . . . . . . . .192
How to Measure Power using FETCh and READ . . . . . .195
How to Co-ordinate Two Modules. . . . . . . . . . . . . . . . . . .199
How Power Varies with Wavelength . . . . . . . . . . . . . . . .203
How to Log Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .207
These programming examples are implemented using MS Developer
Studio. Regardless of the programming environment you use, keep the
following in mind:
• The resultant application is a "console application"
• Make sure the header files
visa.h
and
visatype.h
are included.
• Make sure the library path includes visa32.lib
• Ensure that the
PATH
environment variable allows load ing
visa32.dll
.
The programming examples do not cove r the full command set for the
instruments. They are intended only as an introduction, how to program
the instrument using VISA library calls.
The VISA calls used, are explained in det ail in the VISA User’s Guide.
TIP: Additional programming examples are provided on the Support Disk
CD-ROM 08164-90BC4
Never use VIS A calls and th e Agilent 81 6x VXIplug&play Instrument Driv er
in the same program.
NOTE