Data Translation DT3157 Manual de usuario

DT3157

UM-15024-H

User’s Manual

Eighth Edition

August, 2002

Data Translation, Inc.

100 Locke Drive

Marlboro, MA 01752-1192

(508) 481-3700

www.datatranslation.com

Fax: (508) 481-8620

E-mail: [email protected]

by Data Translation, Inc.

may be reproduced, stored in a retrieval system,

or transmitted, in any form by any means,

electronic, mechanical, by photocopying,

recording, or otherwise, without the prior

written permission of Data Translation, Inc.

Information furnished by Data Translation, Inc.

is believed to be accurate and reliable; however,

no responsibility is assumed by Data Translation,

Inc. for its use; nor for any infringements of

patents or other rights of third parties which

may result from its use. No license is granted by

implication or otherwise under any patent rights

of Data Translation, Inc.

Use, duplication, or disclosure by the United

States Government is subject to restrictions as set

forth in subparagraph (c)(1)(ii) of the Rights in

Technical Data and Computer software clause at

48 C.F.R, 252.227-7013, or in subparagraph (c)(2)

of the Commercial computer Software -

Registered Rights clause at 48 C.F.R., 52-227-19 as

applicable. Data Translation, Inc., 100 Locke

Drive, Marlboro, MA 01752.

Data Translationand GLOBAL LABare

registered trademarks, and Imaging OMNI

CD, and DT-Open Layers, Frame Grabber

SDK, and DT Vision Foundryare trademarks

of Data Translation, Inc.

All other brand and product names are

trademarks or registered trademarks of their

respective companies.

Radio and Television Interference

This equipment has been tested and found to comply with CISPR

EN55022 Class A and EN50082-1 (CE) requirements and also with the

limits for a Class A digital device, pursuant to Part 15 of the FCC

Rules. These limits are designed to provide reasonable protection

against harmful interference when the equipment is operated in a

commercial environment. This equipment generates, uses, and can

radiate radio frequency energy and, if not installed and used in

accordance with the instruction manual, may cause harmful

interference to radio communications. Operation of this equipment in

a residential area is likely to cause harmful interference, in which case

the user will be required to correct the interference at his own

expense.

Changes or modifications to this equipment not expressly approved

by Data Translation could void your authority to operate the

equipment under Part 15 of the FCC Rules.

Note: This product was FCC-Certified under test conditions that

included use of shielded cables and connectors between system

components. It is important that you use shielded cables and

connectors to reduce the possibility of causing interference to radio,

television, and other electronic devices.

Canadian Department of Communications Statement

This digital apparatus does not exceed the Class A limits for radio

noise emissions from digital apparatus set out in the Radio

Interference Regulations of the Canadian Department of

Communications.

Le présent appareil numérique n’émet pas de bruits radioélectriques

dépassant les limites applicables aux appareils numériques de la class

A prescrites dans le Règlement sur le brouillage radioélectrique

édicté par le Ministère des Communications du Canada.

Table of Contents

About this Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix

Intended Audience. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix

What You Should Learn from this Manual. . . . . . . . . . . . . . . . . . ix

Conventions Used in this Manual . . . . . . . . . . . . . . . . . . . . . . . . . . x

Related Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xi

Where to Get Help . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv

Chapter 1: Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Supported Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Chapter 2: Principles of Operation . . . . . . . . . . . . . . . . . . . . 5

Video Input Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Video Formats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Videos Input Channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Pixel Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Internal Pixel Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

External Pixel Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

External Trigger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Input Look-Up Table. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Sync Signals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Sync Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Sync Master Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Sync Sentinel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Clock Output, Expose, and Reset Signals . . . . . . . . . . . . . . . . . . . 16

Contents

Video Area

Active Video Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Horizontal Video Signal . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Vertical Video Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Frame (Region of Interest) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Frame Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Types of Frames . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Scaling Frames . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Frame Storage Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Passthru Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Passthru Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Source Origin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Passthru Scaling. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Passthru LUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Overlays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Acquisition Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Digital I/O Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Chapter 3: Supported Device Driver Capabilities. . . . . . . . 35

DT3157 Device Driver Capabilities . . . . . . . . . . . . . . . . . . . . . . . . 36

Initialized Control Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Chapter 4: Programming Flowcharts. . . . . . . . . . . . . . . . . . 57

Single-Frame Acquisition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Multiple-Frame Acquisition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Passthru without Overlays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Passthru with Overlays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

Contents

vii

Chapter 5: Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . 85

General Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86

Service and Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

Telephone Technical Support. . . . . . . . . . . . . . . . . . . . . . . . . . 90

E-Mail and Fax Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

World-Wide Web . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

If Your Board Needs Factory Service. . . . . . . . . . . . . . . . . . . . . . . 94

Appendix A: Specifications . . . . . . . . . . . . . . . . . . . . . . . . . 95

Appendix B: Connector Pin Assignments . . . . . . . . . . . . . 99

Appendix C: Modifying the Device Driver . . . . . . . . . . . . 103

Windows 98 and Windows Me Procedures . . . . . . . . . . . . . . . . 104

Adding a Board to the Device Driver Configuration after

System Startup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104

Modifying a Board in the Device Driver Configuration . . 106

Uninstalling the Device Driver . . . . . . . . . . . . . . . . . . . . . . . 108

Windows 2000 Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109

Adding a Board to the Device Driver Configuration. . . . . 109

Modifying a Board in the Device Driver Configuration . . 111

Removing a Board from the Device Driver Configuration 113

Uninstalling the Device Driver . . . . . . . . . . . . . . . . . . . . . . . 114

Windows XP Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115

Adding a Board to the Device Driver Configuration. . . . . 115

Modifying a Board in the Device Driver Configuration . . 117

Removing a Board from the Device Driver Configuration 119

Uninstalling the Device Driver . . . . . . . . . . . . . . . . . . . . . . . 120

Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .121

Contents

viii

About this Manual

This manual describes the features of the DT3157 frame grabber

board and how to use the DT3157 Device Driver with the

Frame Grabber SDKto write an application program.

Intended Audience

This document is intended for engineers, scientists, technicians, or

others responsible for programming and/or using the DT3157 board

to perform machine vision and/or image analysis operations. It is

assumed that you have some familiarity with imaging principles and

that you are familiar with the operating characteristics of your video

source.

If you are writing application programs using the device driver and

the Frame Grabber SDK, it is also assumed that you are familiar with

the MicrosoftWindows98, Windows Me (Millennium Edition),

Windows 2000, or Windows XP operating system and with the

Microsoft C compiler.

What You Should Learn from this Manual

This manual provides detailed information about the features of the

DT3157 board and the DT3157 Device Driver to allow you to access

the board’s capabilities using software. It is organized as follows:

•Chapter 1, “Overview,” describes the major features of the board,

as well as the supported software and accessories for the board.

•Chapter 2, “Principles of Operation,” describes all of the board’s

features and how to use them in your application.

•Chapter 3, “Supported Device Driver Capabilities,” describes the

capabilities supported by the DT3157 Device Driver and the

initialized control values.

About this Manual

•Chapter 4, “Troubleshooting,” describes the processes you must

follow to program the DT3157 board using the DT-Open

LayersFrame Grabber SDK and DT3157 SDK Extensions.

•Chapter 5, “Troubleshooting,” provides information that you can

use to resolve problems with the board and the device driver,

should they occur.

•Appendix A, “Specifications,” lists the specifications of the

board.

•Appendix B, “Connector Pin Assignments,” shows the pin

assignments for the connectors on the board.

•Appendix C, “Modifying the Device Driver,” describes how to

add, modify, and remove a board from the device driver

configuration, and uninstall the device driver, if necessary.

• An index complete this manual.

Conventions Used in this Manual

The following conventions are used in this manual:

• Notes provide useful information that requires special emphasis,

cautions provide information to help you avoid losing data or

damaging your equipment, and warnings provide information to

help you avoid catastrophic damage to yourself or your

equipment.

• Items that you select or type are shown in bold.

•Courier font is used to represent source code.

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