最終更新:2014-05-13 (火) 20:08:37 (2327d)  

AOA
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Android Open Accessory

http://source.android.com/tech/accessories/index.html

プロトコル

  • No need for the Android device to act as USB Host (デバイスがホスト)
  • Standard API

AOA 2.0

  • Android 4.1
  • Audio Output
    • From an Android device to an accessory
    • Standard USB audio class interface (ISO)
    • Only supports 2 Channel, 16-bit PCM @ 44100KHz
  • Accessory as HID
  • Registers one or more USB HID with to the Android device.
  • Reverses the direction of communication for typical USB HID (Host <-> Device).

AOA 1.0

スライド

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