HP E8491A manual Component Overview, Interface Installation Configuration

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Chapter 1

Introduction

Using the IEEE 1394 Serial Bus in VXI Systems

Component

Overview

The HP E8491A PC Link to VXI Interconnect

The Adaptec® AHA-8940 1394-to-PCI Host Adapter

The IEEE 1394 Serial Bus (FireWire) is a high-speed bus that has been implemented as an I/O interface between external PCs and HP VXI systems. The bus links the PC backplane to the VXI mainframe backplane. This manual describes the implementation, configuration, and use of this interface.

Implementation of the IEEE 1394 serial bus as an I/O interface for HP VXI systems is provided through three components:

•HP E8491A PC Link to VXI Interconnect

•Adaptec® AHA-8940 1394-to-PCI Host Adapter

•HP I_O Libraries

The HP E8491A is the VXI hardware that links the VXI mainframe backplane to the IEEE 1394 serial bus. The E8491A is a 1-slot, C-size, message-based device that is installed in mainframe slot 0.

The Adaptec® AHA-8940 1394-to-PCI Host Adapter card is installed in the PC and links the computer’s (PCI) backplane to the IEEE 1394 bus. The AHA-8940 has one internal and two external IEEE 1394 ports and can support up to 16 HP E8491As.

The HP I_O Libraries The HP I_O Libraries provide the HP VISA and HP SICL drivers required to use the HP E8491A. Included with the libraries are the drivers for the

Adaptec® AHA-8940 host adapter.

Using this Manual This manual is organized to help you install, configure, and begin using the IEEE 1394 serial bus as quickly and efficiently as possible. The following information outlines the contents of the other chapters, and identifies the areas of programming a VXI system that are NOT covered in this manual.

Chapter 2: Interface

Installation and

Configuration

This chapter contains information on installing the HP E8491A hardware and its drivers (the HP I_O Libraries). Also included is information on installing VXI instruments, installing HP VXIplug&play drivers, and on verifying the system.

Chapter 1

Introduction 11

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Contents Contents Chapter Index Contents HEWLETT-PACKARD Warranty Statement Documentation History Manufacturer’s Name Page Business Reply Mail Page Component Overview Interface Installation ConfigurationAdditional Information VXI Programming Using Ieee 1394 Serial BusInstalling Ieee Host Adapter Interface Installation and ConfigurationLayout of the Adaptec AHA-8940 1394-to-PCI Host Adapter Locating a PCI bus Expansion Slot Connecting the Power Cable Where to go Next Installing HP E8491A InterconnectPage Connecting the HP E8491A to the Host Adapter Instruments Installing VXI InstrumentsInstalling C-size Instruments Shows the installation of A- and B-size instruments Installing A- and B-size InstrumentsPage Interface Installation and Configuration Chapter 10. The HP IO Libraries Program Group Configuring the HP E8491A Interconnect11. The HP IO Libraries IO Config Utility 12. Editing the HP E8491A Configuration Editing the HP E8491A ConfigurationInstrument Drivers InstallingEditing the HP E8491A Configuration on Windows 95 Platforms Verifying the Installation Viewing the Resource Manager Output 17 is a partial listing of a typical resource manager output Page Running the Resource Manager Page VXI Programming Using the Ieee 1394 Serial Bus Block Data Transfers Optimizing ProgramsBlock Transfers using HP VXIplug&play Drivers For i=0 i10 i+=2 Printf%lf\n\n,dataPtri*range/32768 Comments HP Visa Error checking routine Comments TTLTRG7 TTLTRG0 HP E8491A TriggeringItrigall Configuring the E8491A Trig In and Trig Out PortsTurn off the autozero function iprintfe1412, Zeroauto OFF\n Program, ivxitrigroutee8491s, ITRIGEXT0 Locating E8491A Shared Memory Using HP E8491A Shared MemoryLocating Shared Memory Using HP Visa Starting address of E8491A shared Memory hexadecimal #define E8491 VXI00INSTR Storing Readings Shared Memory HP Visa ExampleUnsigned char ViClosefw E8491 Error handling function Storing Readings Shared Memory Sicl Example Ivxirminfoe8491, 0, &info startaddr = info.memstart Comments Ieee 1394 Topology and Terminology Ieee 1394 Fundamentals Interface OverviewTerms shown in -1 are defined in the following table Features of the Ieee 1394 BusIeee Data Transfer Protocol Optimizing the ConfigurationIeee 1394 Fundamentals and Interface Overview Chapter Adaptec AHA-8940 Host Adapter Interface Cable PIN # HP E8491A PC to VXI InterconnectConfiguration Label HP IO Libraries Using the HP E8491A With the HP E1406 Command ModuleGeneral Interface Characteristics VXI CharacteristicsExternal Trigger Output CLKExternal Trigger Input Cooling Trigger DelaysPower Supply Loading Specifications Appendix a Configuration File Overview Editing the HP E8491A Resource Manager ConfigurationPage Page Page Utility Function Overview Using ivxiscPage Iclear Sicl interface name, logical address Page Index MXI Trig In specifications Index