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What is VXIplug&play?
Hewlett-Packard uses VXIplug&play technology in the HP E1432A. This
section outlines some of the details of VXIplug&play technology.
Overview
The fundamental idea behind VXIplug&play is to provide VXI users with a
level of standardization across different vendors well beyond what the VXI
standard specifications spell out. The VXIplug&play Alliance specifies a set
of core technologies centering on a standard instrument driver technology.
HP offers VXIplug&play drivers for VEE-Windows. The VXIplug&play
instrument drivers exist relative to so-called “frameworks”. A framework
defines the environment in which a VXIplug&play driver can operate. The
HP E1432A has VXIplug&play drivers for the following frameworks:
Windows 95, Windows NT, and HP-UX.
VXIplug&play drivers
The HP E1432A VXIplug&play driver is based on the following architecture:
It is most useful to discuss this architecture from the bottom up.
The VISA/VTL I/O interface allows interoperability of the VXIplug&play
driver technology across interfaces.
UserProgram (.EXE &.HLPfiles,suchasassoftfrontpanel)
Programmatic Developer's
In te rfa c e Lib ra ry
Function Panel
(b a se d o n .FP file
VTL/VISA
I/O Inte rfa c e
In stru m e n t D rive r
(.KB,.DLL,.C,.H,.LIB,.HLPfile)
Figure 3-7: VXI Plug&Play driver architecture
HP E1432A User's Guide
Using the HP E1432A
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