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Publications » Computers » Microprocessors

Implementing 802.11 With Microcontrollers

Price £36.99

temporarily out of stock

Implementing 802.11 With Microcontrollers

Fred Eady

ISBN 0750678658
Pages 380

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, 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:
* Laptop wireless Ethernet card introduction and theory
*Introduction to CompactFlash-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!).

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 Chapter 17: Parting Frames Numeric Notation Source Code Presentation Conventions Sub Snippets Netasyst Sniffer Capture Text Presentation Mini Sniffs Index