版本 91d1bf307d9b60feeed7c425bfcb35b5756a2638

embedded/2012w4

Changes from 91d1bf307d9b60feeed7c425bfcb35b5756a2638 to 32ba27ec564200d8bf146e1e3a0b565319ef5934

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Week #4 : Oct  9
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Materials
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- `The Architecture of Open Source Applications: FreeRTOS<http://www.aosabook.org/en/freertos.html>`_
  * `簡體中文翻譯<http://www.ituring.com.cn/article/4063>`_

Reference
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- `FreeRTOS Implementation<http://www.freertos.org/implementation/main.html>`_