IEEE 802.15.4 subsystem
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Source at commit 850e9fca290d2354e97589ff1d5d684523218085 created 13 years 5 months ago. By Werner Almesberger, More rm -rf to rm -f changes. | |
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1 | IEEE 802.15.4 Low-Rate Wireless Personal Area Network (WPAN) |
2 | ============================================================ |
3 | |
4 | |
5 | IEEE 802.15.4 defines physical layers and a media access control for |
6 | wireless networks. ZigBee and 6loWPAN are based on IEEE 802.15.4. |
7 | |
8 | This project aims to add experimental WPAN functionality to the Ben |
9 | NanoNote, in order to permit evaluation of overall network performance |
10 | and to examine possible integration into future devices. |
11 | |
12 | This work is licensed under the terms detailed in the file COPYING. |
13 | |
14 | |
15 | Hardware architecture |
16 | --------------------- |
17 | |
18 | IEEE 802.15.4 transceiver chips are available from several manufacturers, |
19 | including Atmel, Freescale, and Texas Instruments. These chips are similar |
20 | in size, functionality, and cost. The first prototype is based on the |
21 | Atmel AT86RF230. |
22 | |
23 | The RF module will be physically placed on the left side of the LCD |
24 | module, replacing part of the display's PCB. |
25 | |
26 | When installed in the Ben, the transceiver will connect directly via SPI |
27 | to the Jz4720. For development, a SiLabs C8051F326 microcontroller |
28 | implements a USB to SPI conversion. |
29 |