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UM0897: DescriptionEmbedded Ethernet web client based on the STR91x; File Size681KB，25 Pages; ManufacturerSTMicroelectronics; Websitehttp://www.st.com/

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UM0897 Overview

Embedded Ethernet web client based on the STR91x

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UM0897

User manual

Embedded Ethernet web client based on the STR91x

Introduction

This document describes the functioning of the STEVAL-PCC008V1 demonstration board

with an embedded Ethernet web client system which is based on ST's STR91xFAW

ARM966E-S™ 16/32-bit Flash MCU with Ethernet microcontroller. This system is designed

for viewing/monitoring jpeg images taken from an HTTP web server or from an IP camera

present on the network. The images are displayed on the TFT present on the board, thus

enabling surveillance. This system needs to be plugged into the network to access jpeg

images from the HTTP web server or from the IP camera. This system is compatible with

web servers which do not require support for secure socket layer (SSL) and it uses specific

programmed requests to capture images from specific web servers.

The system uses a 2.4" TFT for displaying the images captured from the network. The

captured jpeg images are displayed on the TFT by converting them into bitmap through a

jpeg decompression algorithm. A six-button keypad is provided for navigating through the

menus. The availability of the micro-SD card on the board helps in handling large quantities

of data from the network.

July 2010

Doc ID 17012 Rev 1

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www.st.com

Contents

UM0897

Contents

Getting started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1.1

1.2

Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Hardware setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1.2.1

1.2.2

1.2.3

Web client with local display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Jumper settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Hardware layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1.3

Network setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

1.3.1

1.3.2

Setting up a local network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Using an existing network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

1.4

HTTP web server setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

1.4.1

1.4.2

Using a "Techlogica" HTTP web server . . . . . . . . . . . . . . . . . . . . . . . . . . 6

IPCAM board setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

System overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.1

2.2

Server client general description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

System architecture description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.2.1

2.2.2

2.2.3

2.2.4

2.2.5

STR9 microcontroller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

E-STE100P - single port fast Ethernet transceiver . . . . . . . . . . . . . . . . . 9

TFT: MB542B (AM-240320L8TNQW00H) . . . . . . . . . . . . . . . . . . . . . . . . 9

Power supply unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

User interface section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Running the system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

3.1

Powering up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Bill of material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

2/25

Doc ID 17012 Rev 1

UM0897

List of figures

Figure 1.

Figure 2.

Figure 3.

Figure 4.

Figure 5.

Figure 6.

Figure 7.

Figure 8.

Figure 9.

Figure 10.

Figure 11.

Figure 12.

Figure 13.

Figure 14.

Figure 15.

Web client with local display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Hardware layout (bottom and top views) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Setting local network. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

"Techlogica" HTTP web server interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Server-client relationship . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Web-client architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

User interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Initial display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

TFT display 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

TFT display 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

TFT display 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Microcontroller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Ethernet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Power management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Doc ID 17012 Rev 1

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