Message-Based Communication

NI-VISA

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Message-Based Communication

The following topics show how to use the VISA library in message-based communication.

Introduction

Basic I/O Services

Synchronous Read/Write Services

Asynchronous Read/Write Services

Clear Service

Trigger Service

Status/Service Request Service

Example VISA Message-Based Application

Formatted I/O Services

Formatted I/O Operations

I/O Buffer Operations

Variable List Operations

Manually Flushing the Formatted I/O Buffers

Automatically Flushing the Formatted I/O Buffers

Resizing the Formatted I/O Buffers

Formatted I/O Read and Low-Level I/O Receive Buffers

Formatted I/O Write and Low-Level I/O Transmit Buffers

Recommendations for Using the VISA Buffers

Formatted I/O Instrument Driver Examples

Integers

Floating Point Values

Strings

Data Blocks

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