Chapter 1

Introduction

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Purpose

Welcome to IVI Getting Started Guide. This guide introduces key concepts about IVI drivers and shows you how to create a short program to perform a measurement. The guide also provides a brief introduction to several advanced topics.

IVI Getting Started Guide is intended for individuals who write and run programs to control test-and-measurement instruments. As you develop test programs, you face decisions about how you communicate with the instruments. Some of your choices include Direct I/O, VXIplug&play drivers, or IVI drivers. If you are new to using IVI drivers or just want a quick refresher on how to get started, IVI Getting Started Guide can help.

IVI Getting Started Guide shows you that IVI drivers can be straightforward, easy- to-use tools. IVI drivers provide a number of advantages that can save time and money during development, while improving performance as well. Whether you are starting a new program or making improvements to an existing one, you should consider the use of IVI drivers to develop your test programs.

So consider this the “hello, instrument” guide for IVI drivers. If you recall, the “hello world” program, which originally appeared in Programming in C: A Tutorial, simply prints out “hello, world.” The “hello, instrument” program performs a simple measurement on a simulated instrument and returns the result. We think you’ll find that far more useful.

Why Use an Instrument Driver?

To understand the benefits of IVI drivers, we need to start by defining instrument drivers in general and describing why they are useful. An instrument driver is a set of software routines that controls a programmable instrument. Each routine corresponds to a programmatic operation, such as configuring, writing to, reading from, and triggering the instrument. Instrument drivers simplify instrument control and reduce test program development time by eliminating the need to learn the programming protocol for each instrument.

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HP manual Chapter Introduction, Purpose, Why Use an Instrument Driver?

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