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mirror of git://projects.qi-hardware.com/ben-wpan.git synced 2025-01-22 11:41:06 +02:00
Werner Almesberger 0463bbea5d Added graphical display of RSSI scan results.
- tools/Makefile.common: CFLAGS and OBJS can now be target-specific
- tools/atspi-rssi/Makefile: add SDL, SDL_gfx, and the GUI object files
  when building on the host
- tools/atspi-rssi/Makefile: set -DHAVE_GFX when building on the host
- tools/atspi-rssi/atspi-rssi.c (usage, main): new option -g to use GUI
  mode
- tools/atspi-rssi/atspi-rssi.c (main): rename variable for the number of
  sweeps in non-GUI mode from "sweeps" to "arg", since it may have other
  uses in the future
- tools/atspi-rssi/digit.h, tools/atspi-rssi/digit.c: draw 7 segment style
  digits
- tools/atspi-rssi/zgrid.h, tools/atspi-rssi/zgrid.c: display a surface in
  faux 3D with SDL/SDL_gfx
- tools/tools/atspi-rssi/gui.h, tools/atspi-rssi/gui.c: display RSSI scans
  as a scrolling 3D profile
2010-11-08 20:31:38 -03:00
2010-11-06 17:14:25 -03:00
2010-10-03 21:56:22 -03:00
2010-10-03 21:56:22 -03:00
2010-09-10 16:18:20 -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.
Description
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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