版本 7fb5462eff6ea28f606ced3a153c7c50661fcfb1

embedded/2015q1w4

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title: Week #4 (Mar 17) :: ARM Exceptions/Interrupts
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教材
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* `ARM Cortex-M3 Introduction<http://www.arm.com/files/pdf/CortexM3_Uni_Intro.pdf>`_
  - `Assembly language programming: ARM Cortex-M3<http://www.slideshare.net/GonzaloSantiago/assembly-language-programming-arm-cortexm3-vincent-mahout>`_

* `淺談優先權，從 ARM Cortex-M 到 FreeRTOS 設定<http://enginechang.logdown.com/posts/248297-talking-about-the-priority-from-the-arm-set-cortex-m-to-freertos>`_
  - 什麼是 Interrupt?
  - NVIC (Nested vectored interrupt controller)
  - ARM Cortex-M 每個 Exception 都有自己的優先權
  - 不同架構有不同數量的優先權
  - FreeRTOS 的優先權
  - FreeRTOS 的 Tick/Timer

* `Introduction: the ARM Cortex-M3 Exception / Interrupt</embedded/arm-exceptions.pdf>`_
  - `Interrupt-Driven Input/Output<http://www.eng.auburn.edu/~nelson/courses/elec2220/Interrupt_IO%20part2.pdf>`_
    * Interrupt vectors and vector table
    * Interrupt masks and priorities
    * NVIC
    * STM32F4 external interrupt signals


作業須知 (Lab-40)
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* 作業描述: Lab 40
* 截止日期: Mar 28, 2015 (含) 之前