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IEEE 802.15.4 subsystem, IEEE 802.15.4 Low-Rate Wireless Personal Area Network (WPAN) http://projects.qi-hardware.com/index.php/p/ben-wpan/
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Werner Almesberger a241265aaf Run eeschema only once (not twice) per commit. 20% speed improvement.
- scripts/gitsch2ppm: new option -k to keep checked-out tree
- scripts/gitsch2ppm: new option -c to reuse Postscript files from -k run
- scripts/gitsch2ppm: removed C-style use of "break" from "case"
- scripts/schhist2web: use gitsch2ppm -k and -c to half number of
  eeschema runs
2010-08-27 14:31:05 -03:00
atrf Disable CLKM in atspi-txrx, to reduce interferences. 2010-08-26 15:48:29 -03:00
cam Typo causing silent failure: forgot the semicolon, so "doit" thought these 2010-08-14 23:57:56 -03:00
cntr Picking time in the middle of the interval, not its edge, and reduce 2010-08-26 00:52:50 -03:00
components New circuit: an arbitrary-precision counter. 2010-08-22 21:32:54 -03:00
modules New circuit: an arbitrary-precision counter. 2010-08-22 21:32:54 -03:00
scripts Run eeschema only once (not twice) per commit. 20% speed improvement. 2010-08-27 14:31:05 -03:00
AUTHORS New circuit: an arbitrary-precision counter. 2010-08-22 21:32:54 -03:00
BOOKSHELF New circuit: an arbitrary-precision counter. 2010-08-22 21:32:54 -03:00
COPYING Added COPYING (GPL 2/LGPL 2.1/CC-BY-SA 3.0) and AUTHORS. Put pointer 2010-08-12 09:44:48 -03:00
Makefile Moved hardware design files from top-level directory to atrf/ 2010-08-22 16:06:43 -03:00
Makefile.recurse Finished and tested TX/RX. (LQ doesn't work yet, the rest does.) 2010-08-24 06:16:48 -03:00
README Added COPYING (GPL 2/LGPL 2.1/CC-BY-SA 3.0) and AUTHORS. Put pointer 2010-08-12 09:44:48 -03:00
TODO Disable CLKM in atspi-txrx, to reduce interferences. 2010-08-26 15:48:29 -03:00

IEEE 802.15.4 Low-Rate Wireless Personal Area Network (WPAN)
============================================================


IEEE 802.15.4 defines physical layers and a media access control for
wireless networks. ZigBee and 6loWPAN are based on IEEE 802.15.4.

This project aims to add experimental WPAN functionality to the Ben
NanoNote, in order to permit evaluation of overall network performance
and to examine possible integration into future devices.

This work is licensed under the terms detailed in the file COPYING.


Hardware architecture
---------------------

IEEE 802.15.4 transceiver chips are available from several manufacturers,
including Atmel, Freescale, and Texas Instruments. These chips are similar
in size, functionality, and cost. The first prototype is based on the
Atmel AT86RF230.

The RF module will be physically placed on the left side of the LCD
module, replacing part of the display's PCB.

When installed in the Ben, the transceiver will connect directly via SPI
to the Jz4720. For development, a SiLabs C8051F326 microcontroller
implements a USB to SPI conversion.