---
title: Lab24: Hardware
toc: no
...

預期目標
-------
* 學習使用 STM32F4-Discovery 硬體
* 接觸 ARM Cortex-M 環境
* 學習 GNU Toolchain 與相關 open source 工具

開發工具介紹與準備
----------------
- GNU Toolchain: 同之前 Lab
- ICE = In-Circuit Emulator
- `Remote Debugging using GDB<http://www.codeproject.com/Articles/14983/Remote-Debugging-using-GDB>`_

.. code-block:: prettyprint

    sudo apt-get install automake* libtool libusb-1.0-0-dev
    git clone http://github.com/texane/stlink.git
    cd stlink
    ./autogen.sh
    ./configure --prefix=/usr
    make
    sudo make install
    sudo cp 49-stlinkv2.rules /etc/udev/rules.d/

- 取得 OpenOCD 原始程式碼

.. code-block:: prettyprint

    git clone git://openocd.git.sourceforge.net/gitroot/openocd/openocd

或者 http://sourceforge.net/projects/openocd/files/openocd/0.7.0/

- 編譯 OpenOCD

.. code-block:: prettyprint

    cd openocd
    ./bootstrap
    ./configure --prefix=/opt/openocd \
        --enable-jlink \
        --enable-amtjtagaccel \
        --enable-buspirate \
        --enable-stlink \
        --disable-libftdi
    echo -e "all:\ninstall:" > doc/Makefile
    make
    sudo make install


Programming STM32 F2, F4 ARMs under Linux
------------------------------------------
- `A Tutorial from Scratch<http://www.triplespark.net/elec/pdev/arm/stm32.html>`_
  * Introduction STM32, STM32F2, STM32F4
  * Obtaining and Setting Up OpenOCD
  * Setting up the Hardware: STM32F4Discovery with integrated ST-Link/V2
  * The Minimalistic Hello-World Program
  * Running the Minimalistic Hello-World Program
  * Debugging
  * Automating the Steps

工作環境
-------
- 取得最新 Labs 內容 (與之前 `Lab3</embedded/Lab3>`_ 操作相似)：

.. code-block:: prettyprint

    git clone git://gitcafe.com/embedded2012/Labs.git
    cd Labs/Lab-6

或是

.. code-block:: prettyprint

    cd Labs/Lab-6
    git fetch labs
    git merge labs/master HEAD


具備互動操作的 USB serial 實做
----------------------------
- http://www.sparetimelabs.com/usbcdcacm/ (文末提到與之前指定作業相關的技術議題)
- USB list: /var/lib/usbutils/usb.ids
  * ArchLinux: /usr/share/hwdata/usb.ids

- neocon 離開方法: ``~.``
  * neocon /dev/ttyACM0

- http://wiki.openmoko.org/wiki/NeoCon
- http://wiki.openmoko.org/wiki/CDC_ACM


示範程式碼
--------

.. code-block:: prettyprint

    cd Labs/Lab-6/discoveryF4
    make
    cd discovery_demo
    make flash
    cd ../serialUSB/
    make flash

「作業系統之前的程式 for stm32f4discovery」系列文章
--------------------------------------------------------------------------
* `打造 Linux 開發環境<http://descent-incoming.blogspot.tw/2013/04/for-stm32f4discovery-0-linux.html>`_
  - `1+2+3...+10 (ARM 組合語言版本)<http://descent-incoming.blogspot.tw/2013/04/for-stm32f4-discovery-1-10-asm-version.html>`_
* `點亮 LED<http://descent-incoming.blogspot.tw/2013/04/for-stm32f4discovery-2-led-c-version.html>`_
* `USART<http://descent-incoming.blogspot.tw/2013/04/for-stm32f4discovery-3-usart.html>`_