Ellisys USB Explorer 200 Manual de usuario

Ellisys USB Explorer 200

Getting Started Guide

Version 2.0.3

February 13, 2006

Ellisys Sàrl ●ch. du Grand-Puits 38 ●CH-1217 Meyrin Geneva ●Switzerland

www.ellisys.com ●suppor[email protected]om

Version 2.0.3 February 13, 2006

Table of Content

Chapter 1: Starting out.....................................................................................4

Introduction........................................................................................................4

Common terms ...................................................................................................4

Front and back panels of the analyzer ....................................................................5

Connecting the analyzer to the analysis computer ....................................................5

Connecting a device for analysis ............................................................................7

Installing the software and the drivers....................................................................9

First data acquisition............................................................................................9

Chapter 2: Frequently Asked Questions....................................................10

General............................................................................................................10

Hardware .........................................................................................................10

Chapter 3: Troubleshooting..........................................................................11

Installation .......................................................................................................11

Chapter 4: Technical data..............................................................................12

Highlights.........................................................................................................12

Applications ......................................................................................................12

Requirements ...................................................................................................12

Specifications.................................................................................................... 13

Chapter 5: Limited Warranty Terms and Conditions..............................15

Coverage ......................................................................................................... 15

Excluded Products and Problems..........................................................................15

Obtaining Warranty Service ................................................................................15

Limitations .......................................................................................................16

Severability ......................................................................................................16

Warranty Period ................................................................................................17

Governing Law .................................................................................................. 17

Jurisdiction; Venue ............................................................................................ 17

USB Explorer 200 User's manual Page 2 of 17

Version 2.0.3 February 13, 2006

Figures Index

Figure 1 - Configuration with two computers............................................................................6

Figure 2 - Configuration with only one computer ......................................................................6

Figure 3 - Connecting only one Device Under Test ....................................................................7

Figure 4 - Wrong connection with more than one DUT ...............................................................8

Figure 5 - Correct connection with more than one DUT using a Hub.............................................8

USB Explorer 200 User's manual Page 3 of 17

Version 2.0.3 February 13, 2006

Chapter 1: Starting out

Introduction

The USB Explorer 200 is a non-intrusive high speed USB 2.0 protocol analyzer allowing

you to display the bus states and the packets sent, decode the descriptors, detect

errors and incompatibilities in devices or drivers as well as quantify their performance.

Very simple to use, it is the ideal companion for anyone developing USB devices, hosts,

embedded software or drivers.

Common terms

The following terms are used throughout this manual:

Analysis software The analysis software enables users to record data sent

by the analyzer and subsequently displays them in a

simple, easy-to-follow format.

Device Under Test A USB device that is going to be analyzed with the

analyzer is called a device under test in this document.

Test computer The device under test will be plugged into the test

computer through analyzer's Device Under Test

connectors. The drivers needed for the test device must

be installed on the test computer. The test computer can

also be an embedded computer, a PDA or even a custom

piece of equipment acting like a USB host.

Analysis computer The data to be analyzed will be sent to the analysis

computer through the analyzer's Analysis connector.

Ellisys' driver and software must be properly installed on

this computer.

USB Explorer 200 User's manual Page 4 of 17

Version 2.0.3 February 13, 2006

Front and back panels of the analyzer

The Power LED is illuminated

when the analyzer is powered on

The Activity LED blinks in green when

packets are detected (in red when

they are recorded)

From Device

Under Test

The Trigger LED illuminated in green

when a trigger is detected in input (in

red when detected in output)

To Test

Computer

To Analysis

Computer

Connecting the analyzer to the analysis computer

The USB Explorer 200 is a high speed, full speed and low speed USB 2.0 protocol

analyzer that sends data using a high speed USB 2.0 connection. The recommended

configuration requires two computers, one for communicating with the device under test

and the other for displaying the results of the analysis.

Although the USB Explorer 200 can download analyzed data on a full speed

USB 1.1 connection, it is strongly recommended that you connect it using a

high speed USB 2.0 port to obtain optimal performance. If you experience any

trouble with your analyzer, please ensure it is connected on a high speed USB 2.0

enabled host controller before contacting our technical support.

USB Explorer 200 User's manual Page 5 of 17

Version 2.0.3 February 13, 2006

Configuration with two computers: recommended configuration

The use of two computers is the recommended configuration (see Figure 1). The test

computer is ascribed to the test device, and the analysis computer handles downloads

and analyses data coming from the analyzer.

Analysis computer

USB Explorer 200

Test computer

Figure 1 - Configuration with two computers

Configuration with only one computer

It is possible to use just one computer for both testing and analysis, but this option is

not recommended (see Figure 2). This configuration can only be used when the

available computer is very powerful and when the device under test requires little

processing power. You must, however, ensure that two or more host controllers are

available on the computer. If there is only one host controller on your computer, buy a

CardBus or PCI extension card available on the market. Please refer to the chapter on

Troubleshooting to determine if your computer has two host controllers. The following

diagram shows how to use the analyzer with only one computer.

Figure 2 - Configuration with only one computer

Although this particular configuration can work for most peripherals under test, we

actually highly recommend a configuration involving two computers.

USB Explorer 200 User's manual Page 6 of 17

Version 2.0.3 February 13, 2006

Connecting a device for analysis

Connecting only one Device Under Test

The most straightforward configuration involves only one device to be analyzed.

Figure 3 shows how to properly connect the device under test.

Analysis computer

USB Explorer 200

Device Under Test

Test computer

Figure 3 - Connecting only one Device Under Test

To prevent problems which could arise from your cables' length, please follow the

following instructions:

-The blue cable must be no longer than 5 meters.

-The total length of the red and black cables must not exceed 3 meters. A

greater length could result in an abnormally high error rate on the bus being

analyzed.

USB Explorer 200 User's manual Page 7 of 17

Version 2.0.3 February 13, 2006

Connecting more than one Device Under Test

USB analyzers are able to analyze traffic coming only from devices connected under

them. If a device is connected above the analyzer, it will only register data packets

coming from the host. The Figure 4 shows an incorrect connection: the USB mouse is

connected 'above' the analyzer.

Analysis computer

USB Explorer 200

Mouse

Device Under Test

Test computer

Figure 4 - Wrong connection with more than one DUT

When the analyzer is used to analyze multiple devices, this analysis must necessarily

involve a USB hub. In this way, you can ensure that all the devices to be analyzed are,

in fact, 'below' the analyzer. You should be aware, however, that the analyzer will

record all hub and devices traffic. Though it could result in a large amount of data, this

won't cause inconvenience because the software's functions can filter out extra traffic

very easily. Figure 5 illustrates how to connect correctly several devices under test.

Analysis computer

USB Explorer 200

USB hub

Mouse

Device Under Test

Test computer

Figure 5 - Correct connection with more than one DUT using a Hub

USB Explorer 200 User's manual Page 8 of 17

Version 2.0.3 February 13, 2006

Installing the software and the drivers

Please refer to the USB Analysis Software User's Manual for more information about the

installation of the analysis software and the device driver.

First data acquisition

Before using the analyzer to make your first data acquisition, ensure that you

have successfully completed every step needed to install the software and the

drivers.

Follow these steps to proceed with your first data acquisition:

1. Connect the USB analyzer to the analysis computer as demonstrated in the

section entitled Connecting the analyzer to the analysis computer. You must first

have successfully installed the analysis software and drivers.

2. Run the analysis software and press keys 'Ctrl+R' (Start Recording). Refer to the

chapter on Troubleshooting if the software indicates that no analyzer is

connected.

3. Connect the USB device to be analyzed as discussed in the section entitled

Connecting a device for analysis. For greater safety, first connect a simple

commercial device that you can understand easily. The number of valid

transactions should increase slowly. You can save data acquisition after it has

been recording for a few seconds by clicking the 'Save' button.

4. Congratulations! You have just used the analyzer to record your first data

acquisition. You can now read the USB Analysis Software User's Manual to fully

benefit from all the available power in the analysis software.

USB Explorer 200 User's manual Page 9 of 17

Version 2.0.3 February 13, 2006

Chapter 2: Frequently Asked Questions

General

Which recording speeds can be supported?

The USB Explorer 200 supports recording of low speed (1.5 Mbit/s), full speed (12

Mbit/s) and high speed (480 Mbit/s) links. It can record traffic from any USB 2.0

device. Owing to its powerful decoding engine, the USB Explorer 200 automatically

detects the appropriate recording speed for an unequalled ease of use.

Which type of configuration do I need to apply to a USB Explorer?

The analyzer records the data to be analyzed in real time using a USB 2.0

connection. For this reason, two host controllers are necessary: the first to connect

the peripheral to be tested and the other to record the data. You must therefore

have either:

•Two computers, one for analysis and the other for testing

•One computer with two host controllers. This is the case when an USB 2.0

extension card is used.

To obtain the best performance, we highly recommend the use of two computers.

The analyzer records data using a USB 2.0 connection. Do I need a USB 2.0

host controller?

No. The analyzer works just as well with a High speed connection (480 Mbit/s) as

with a Full speed one (12 Mbit/s). But you must be aware that a full speed

connection may not be sufficient if the flow of data is too large.

What is the maximum quantity of data that I can record?

The analyzer uses the host-computer memory to store its information. The

maximum quantity of data is therefore limited by the size of the central memory

(RAM).

Hardware

Is it possible to upgrade the analyzer firmware?

Yes, the hardware of the analyzer is upgradeable. The electronic components are

updated with each new software release. No user intervention is therefore required.

Which packets light up the Activity indicator?

DATA packets light up the Activity indicator for around ten milliseconds. In a busy

bus case, this indicator blinks rapidly.

USB Explorer 200 User's manual Page 10 of 17

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