Implementing 802.11 with Microcontrollers: Wireless Networking for Embedded Systems Designers

Front Cover
Elsevier, Oct 18, 2005 - Computers - 400 pages
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
  • Covers the hottest new embedded market area- wireless networking
  • Shows designers how to save money and time by using microcontrollers in their embedded wireless designs instead of expensive, complex prefab boards
 

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Contents

Why Are We Doing This?
1
The AirDropP
9
The AirDropA
17
80211b CompactFlash Network Interface Cards
25
Talking With 80211b CompactFlash NICs
37
Touring the Card Information Structure
45
Learning to Talk to 80211b CompactFlash NICs
79
Setting Up An AirDrop Wireless Network
93
PINGING the AirDrop
209
Flying Cargo with UDP and the AirDrop
243
Flying Cargo with TCPIP and the AirDrop
275
WEP and the AirDrop
335
An Experimental AVR AirDrop Variant
345
A New Kid in Town Who Calls Himself ZigBee
361
Parting Frames
371
Conventions
373

AirDrop Driver Basics
105
Putting an AirDrop on a Wireless LAN
137
Processing 80211b Frames with the AirDrop
167
Index
377
ELSEVIER SCIENCE CDROM LICENSE AGREEMENT
381
Copyright

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About the author (2005)

As an engineering consultant, Fred Eady has implemented communications networks for the space program and designed hardware and firmware for the medical, retail and public utility industries. He currently writes a monthly embedded design column for a popular electronics enthusiast magazine. Fred also composes monthly articles for a popular robotics magazine. Fred has been dabbling in electronics for over 30 years. His embedded design expertise spans the spectrum and includes Intel’s 8748 and 8051 microcontrollers, the entire Microchip PIC microcontroller family and the Atmel AVR microcontrollers. Fred recently retired from his consulting work and is focused on writing magazine columns and embedded design books.

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