ODROID-X2

FrontPage

• 公式ページ&note{odroid-x2-harkernel-official:ODROID | Hardkernel, 2013-06-10閲覧};
• スペック(抜粋)

  Processor	Samsung Exynos4412 Cortex-A9 Quad Core 1.7Ghz with 1MB L2 cache
  Memory	2GB LP-DDR2 880Mega data rate
  3D Accelerator	Mali-400 Quad Core 440MHz

スペック†

• CPU:Cortex-A9
• architecture:Arm v7-A
• cpuinfo

  $ cat /proc/cpuinfo
  processor       : 0
  model name      : ARMv7 Processor rev 0 (v7l)
  BogoMIPS        : 3394.86
  Features        : swp half thumb fastmult vfp edsp thumbee neon vfpv3 tls
  CPU implementer : 0x41
  CPU architecture: 7
  CPU variant     : 0x3
  CPU part        : 0xc09
  CPU revision    : 0
  
  processor       : 1
  model name      : ARMv7 Processor rev 0 (v7l)
  BogoMIPS        : 3394.86
  Features        : swp half thumb fastmult vfp edsp thumbee neon vfpv3 tls
  CPU implementer : 0x41
  CPU architecture: 7
  CPU variant     : 0x3
  CPU part        : 0xc09
  CPU revision    : 0
  
  processor       : 2
  model name      : ARMv7 Processor rev 0 (v7l)
  BogoMIPS        : 3394.86
  Features        : swp half thumb fastmult vfp edsp thumbee neon vfpv3 tls
  CPU implementer : 0x41
  CPU architecture: 7
  CPU variant     : 0x3
  CPU part        : 0xc09
  CPU revision    : 0
  
  processor       : 3
  model name      : ARMv7 Processor rev 0 (v7l)
  BogoMIPS        : 3394.86
  Features        : swp half thumb fastmult vfp edsp thumbee neon vfpv3 tls
  CPU implementer : 0x41
  CPU architecture: 7
  CPU variant     : 0x3
  CPU part        : 0xc09
  CPU revision    : 0
  
  Hardware        : ODROIDX2
  Revision        : 0000
  Serial          : 0000000000000000

• auxv

  0x00000010 0x0008b8d7
  0x00000006 0x00001000
  0x00000011 0x00000064
  0x00000003 0x00010034
  0x00000004 0x00000020
  0x00000005 0x00000009
  0x00000007 0xb6ed9000
  0x00000008 0x00000000
  0x00000009 0x00011b75
  0x0000000b 0x000003e8
  0x0000000c 0x000003e8
  0x0000000d 0x000003e8
  0x0000000e 0x000003e8
  0x00000017 0x00000000
  0x00000019 0xbebb97b7
  0x0000001f 0xbebb9ff3
  0x0000000f 0xbebb97c7
  0x00000000 0x00000000

• cpufreq

  $ sudo cat /sys/devices/system/cpu/cpu*/cpufreq/cpuinfo_cur_freq
  1704000
  1704000
  1704000
  1704000
  $ sudo cat /sys/devices/system/cpu/cpu*/cpufreq/cpuinfo_max_freq
  2000000
  2000000
  2000000
  2000000

• kernel

  $ uname -a
  Linux odroid 3.8.13.30 #2 SMP PREEMPT Tue Sep 20 18:59:12 BRT 2016 armv7l armv7l armv7l GNU/Linux

• OS

  $ lsb_release  -a
  No LSB modules are available.
  Distributor ID: Ubuntu
  Description:    Ubuntu 16.04.1 LTS
  Release:        16.04
  Codename:       xenial

• gcc

  $ gcc --version
  gcc (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.2) 5.4.0 20160609
  Copyright (C) 2015 Free Software Foundation, Inc.
  This is free software; see the source for copying conditions.  There is NO
  warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

• UART Debug console
  • accessory:development:usb_uart_kit [ODROID Wiki]&note{ref-debug-uart:accessory:development:usb_uart_kit [ODROID Wiki]};
  • 1.8V
  • 115200 8N1
  • Raspberry Pi みたいにGPIOピンと共用ではないので注意が必要

セットアップ†

• Ubuntu 14.04 だったのを、16.04 に焼き直した

アップデート†

time sudo apt update
time sudo apt -y upgrade

タイムゾーン†

vi /etc/timzeone

• Etc/UtcをAsia/Tokyoに書き換え
• 画面上に反映させるためには再起動が必要

インストール†

sudo apt install vim git cmake ccache libgtk-3-dev libavcodec-dev libavformat-dev libswscale-dev

gitのconfig†

• 名前とメールアドレス

  $ git config --global user.name "Foo Bar"
  $ git config --global user.email foo@bar.com

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