Implementing 802.11 with Microcontrollers: Wireless Networking for Embedded Systems Designers (Paperback)

Fred Eady

  • 出版商: Newnes
  • 出版日期: 2005-09-02
  • 售價: $3,060
  • 貴賓價: 9.5$2,907
  • 語言: 英文
  • 頁數: 400
  • 裝訂: Paperback
  • ISBN: 0750678658
  • ISBN-13: 9780750678650
  • 相關分類: 802.11嵌入式系統單晶片
  • 海外代購書籍(需單獨結帳)

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商品描述

Description:

Wireless networking is poised to have a massive impact on communications, and the 802.11 standard is to wireless networking what Ethernet is to wired networking. There are already over 50 million devices using the dominant IEEE 802.11 (essentially wireless Ethernet) standard, with astronomical growth predicted over the next 10 years. New applications are emerging every day, with wireless capability being embedded in everything from electric meters to hospital patient tracking systems to security devices.

This practical reference guides readers through the wireless technology forest, giving them the knowledge, the hardware and the software necessary to design a wireless embedded device rapidly, inexpensively, and effectively. Using off-the-shelf microcontrollers from Microchip and Atmel and the popular 802.11 modules from DPAC Technology, the author provides step-by-step instructions for designing the hardware and firmware for a fully operational wireless networking device. The book gives a thorough introduction to 802.11 technology and puts it into perspective against the other wireless standard options. Just enough theory and mathematics is provided to give the depth of understanding needed for practical design work.

The book thoroughly covers:

  • DPAC Module introduction and theory
  • Laptop wireless Ethernet card introduction and theory
  • Implementing the DPAC module in an embedded environment
  • Introduction to PCMCIA-to-microcontroller interfacing
  • Implementing the laptop wireless Ethernet card in an embedded environment In addition, the book includes a CDROM containing all of the code, schematics and programs necessary to implement embedded 802.11 wireless networking.

    Wireless design using microcontrollers requires specialized knowledge that many embedded designers don’t have. Although a lot of information does exist on creating the sort of wireless embedded devices covered in this book, it takes a tremendous amount of time to pull it together from various manufacturer’s websites, databooks, and complex standards documents. This book assembles the needed information to design an embedded device incorporating 802.11 wireless networking capability and provides step by step detailed design examples, for proven working designs based on familiar microcontrollers (instead of much more expensive and complex predesigned boards that are commonly used—using a $5 microcontroller vs. a $200 board means a lot to a product’s bottom line!).
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    Table of Contents:

    Preface
    What’s on the CD-ROM?

    Chapter 1: Why Are We Doing This?
    Selecting a Suitable Microcontroller
    Selecting a Suitable 802.11b Communications Device
    802.11b Hardware Overview
    AirDrop Basics

    Chapter 2: The AirDrop-P
    The AirDrop-P Hardware
    Learn to Play Guitar and Become Famous

    Chapter 3: The AirDrop-A
    The AirDrop-A Hardware
    Bowing Out

    Chapter 4: 802.11b CompactFlash Network Interface Cards
    They Were Not Designed To Do This
    The TEW-222CF
    Never Ignore an Inquisitive Author with Hand Tools
    Unwrapping the TEW-222CF
    An Undercover Look at the Zonet ZCF1100
    What’s Behind Door Number 4
    RF, Witchcraft, Pointy Hats, Ghouls, Goblins…Same Thing

    Chapter 5: Talking with 802.11bCompactFlash NICs
    Physically Connecting a Microcontroller to a CompactFlash Card
    Musical Overtones

    Chapter 6: Touring the Card Information Structure
    Talking in Tuples
    First Steps with the AirDrop-P
    Walking the Tuple Chain
    CIS Reconnaissance
    Dumping Linksys WCF12 Tuples
    Dumping Netgear MA701 Tuples
    Dumping Zonet ZCF100 Tuples
    Enabling the 802.11b CompactFlash NIC
    The Value of Parsing the CIS
    Full Throttle

    Chapter 7: Learning to Talk to 802.11b CompactFlash NICs
    What the 802.11b NIC does for Us
    The 802.11b CompactFlash NIC I/O Drivers

    Chapter 8: Setting Up An AirDrop Wireless Network
    Setting Up the AP
    Something’s in the Air
    Guitars and Hollywood

    Chapter 9: AirDrop Driver Basics
    BAP
    FID
    RID
    Reading a RID
    Stringing Up the SSID
    Good RIDdance
    Retrieving the MAC Address
    Status Check

    Chapter 10: Putting an AirDrop on a Wireless LAN
    Bogie Number 1 – Allocating Transmit Buffers
    Bogie Number 2 – Enabling the MAC
    Authenticating the AirDrop Wireless LAN Station
    Associating with the AIRDROP_NETWORK AP

    Chapter 11: Processing 802.11b Frames with the AirDrop
    AirDrop Frame Structure
    AirDrop-P Frame Reception

    Chapter 12: PINING the AirDrop
    Examining the IP Header

    Chapter 13: Flying Cargo with UDP and the AirDrop
    Running a UDP Application on the AirDrop-P
    The EDTP Internet Test Panel and the Code Behind It
    Exercising the AirDrop-P with the EDTP Internet Test Panel
    Notes

    Chapter 14: Flying Cargo with TCP/IP and the AirDrop
    TCP and the AirDrop-P
    The TCP/IP Stack’s Physical Layer
    The TCP/IP Stack’s Data Link Layer
    The TCP/IP Stack’s Network Layer
    The TCP/IP Stack’s Transport Layer
    The TCP/IP Stack’s Application Layer
    TCP/IP – The Big Ugly
    You’ve Done It!

    Chapter 15: WEP and the AirDrop
    Incorporating WEP into the AirDrop 802.11b Driver
    The New Experimental AirDrop Hardware
    An Experimental AVR AirDrop Variant
    The Experimental AirDrop Firmware
    Coding a Simple 802.11b Web Server
    The AirDrop SRAM

    Chapter 16: A New Kid in Town Who Calls Himself ZigBee
    Zig What???
    Making ZigBee Talk
    The Microchip ZigBee Stack

    hapter 17: Parting Frames
    Numeric Notation
    Source Code Presentation

    Conventions
    Sub Snippets
    Netasyst Sniffer Capture Text Presentation
    Mini Sniffs

    Index

    商品描述(中文翻譯)

    描述:
    無線網絡對通信產生了巨大的影響,而802.11標準對無線網絡就像以太網對有線網絡一樣重要。已經有超過5000萬個設備使用主導的IEEE 802.11(基本上是無線以太網)標準,預測未來10年將有驚人的增長。每天都有新的應用程序出現,無線功能嵌入到從電表到醫院病人追踪系統再到安全設備等各種設備中。

    這本實用參考書將引導讀者穿越無線技術的森林,提供他們設計無線嵌入式設備所需的知識、硬件和軟件,快速、低成本且有效地實現。作者使用Microchip和Atmel的現成微控制器以及DPAC Technology的熱門802.11模塊,提供了設計完全運作的無線網絡設備的硬件和固件的逐步指南。本書詳細介紹了802.11技術,並將其與其他無線標準選項進行了比較。書中提供了足夠的理論和數學知識,以便為實際設計工作提供所需的深度理解。

    本書全面介紹了:
    - DPAC模塊的介紹和理論
    - 筆記本無線以太網卡的介紹和理論
    - 在嵌入式環境中實現DPAC模塊
    - PCMCIA到微控制器的接口介紹
    - 在嵌入式環境中實現筆記本無線以太網卡

    此外,本書附帶一個CD-ROM,其中包含實現嵌入式802.11無線網絡所需的所有代碼、原理圖和程序。

    使用微控制器進行無線設計需要專業知識,而許多嵌入式設計師並不具備這方面的知識。雖然關於本書所涵蓋的無線嵌入式設備的創建已經存在很多信息,但從各個製造商的網站、數據手冊和複雜的標準文件中整理出這些信息需要大量時間。本書匯集了設計一個具有802.11無線網絡功能的嵌入式設備所需的信息,並提供了逐步詳細的設計示例,這些示例基於熟悉的微控制器(而不是更昂貴和複雜的預設板,使用5美元的微控制器而不是200美元的板對產品的底線意義重大!)。

    目錄:
    前言
    CD-ROM內容
    第1章:為什麼我們要這樣做?
    選擇合適的微控制器
    選擇合適的802.11b通信設備
    802.11b硬件概述
    AirDrop基礎知識
    第2章:AirDrop-P
    AirDrop-P硬件
    學習彈吉他並成名
    第3章:AirDrop-A
    AirDrop-A硬件
    退出
    第4章:802.11b CompactFlash網絡接口卡
    它們不是為此而設計的
    TEW-222CF
    不要忽視一個好奇的作者和手工具
    打開TEW-222CF
    暗中觀察Zonet ZCF1100
    第4個門後面是什麼
    RF、巫術、尖頂帽、妖怪、鬼怪...同樣的東西
    第5章:與802.11b CompactFlash NICs對話