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Mindstorms EV3におけるソフトウェア開発環境 2014年 師走版

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LEGO Mindstorms EV3におけるサードパーティ提供ソフトウェア開発環境 2014年 師走版

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Mindstorms EV3におけるソフトウェア開発環境 2014年 師走版

  1. 1. Mindstorms EV3における ソフトウェア開発環境 2014/12/05 Takehiko YOSHIDA E-mail: chihayafuru@gmail.com Twitter: @chihayafuru
  2. 2. NXTソフトウェア開発環境
  3. 3. EV3 ソフトウェア開発環境 プログラミング言語 SDブート 標準ファームウェア (Angstrom Linux) EV3専用アセンブラ (bytecode) 不可 leJOSEV3 (Angstrom Linux) Java 可 ev3dev (Debian Linux) bash,C,C++, Lua Go, Ruby, Node.js 可 EV3RT (TOPPERS/HRP2) 不明(C/C++) 不明 mruby on asp+tecs forev3 不明(C/C++) 不明 2014年11月末現在
  4. 4. ev3dev 必要な知識 ◦Debian Linux ◦パッケージ管理 dpkg apt ◦低水準ファイル(ストリーム)I/Oプログラミング open() read() write() close()
  5. 5. ホストマシンとの接続方法 Ethernet over USB ◦Windows : RNDIS ◦Mac, Linux : CDC Wi-Fi(要, USB Wi-Fiドングル)
  6. 6. ホストマシンとの接続方法 必要な知識 ◦手動IPアドレス指定 ◦コンソール接続 ssh ◦ファイル転送 scp ◦シェル操作 cd, cp, ls, ...
  7. 7. クロス開発環境 Windows / MacOS X VitualBox (仮想マシン) Ubuntu 14.04.1 server amd64 brickstrap (qemu)
  8. 8. ev3dev release Release 01.00.00 ◦Wi-Fi設定: リモートコンソールから設定 ev3dev-Jessie-2014-10-07 ◦Wi-Fi設定: 本体操作 brickman (GUI)
  9. 9. Ruby実装 実装名 説明 MRI (Matz' Ruby Implementation) C言語で実装されたオリジナル CRubyとも呼ばれる JRuby Java言語による実装 IronRuby .NET Framework上の実装 Rubinius JIT方式バイトコードインタープリター RubyMotion iOS / Android アプリ開発用途 mruby 組み込みシステム向け
  10. 10. パッケージ管理 Ruby ◦RubyGems (gems) ◦(例) $ gem install rails mruby ◦mrbgems
  11. 11. パッケージ依存関係の例
  12. 12. 追加機材 microSDカードメモリー USB Wi-Fiドングル
  13. 13. microSDカード 目的:ファームウェア書き込み 推奨 ◦microSDHC ◦class 10 ◦サイズ:8~16GBytes
  14. 14. SDカードの種類 名称 最大サイズ EV3対応 SD ~2 GBytes OK SDHC (2 GBytes)~32GBytes OK SDXC (32 GBytes)~2TBytes(128GBytes) NG
  15. 15. SDカードのクラス クラス 最低保証レート Class 2 2 MB/sec Class 4 4 MB/sec Class 6 6 MB/sec Class 10 10 MB/sec
  16. 16. SDカードのパッケージ表記
  17. 17. USB Wi-Fiドングル LEGO純正 NETGEAR WNA1100

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