最終更新:2015-05-20 (水) 14:40:24 (3254d)  

bmAttributes
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コンフィグレーションディスクリプタ

  • Configuration characteristics
    bit 7予約(1)
    bit 6Self Power(0/1)
    bit 5Remote Wakeup機能(0/1)
    bit 4-0予約(0)
  • A device configuration that uses power from the bus and a local source reports a non-zero value in bMaxPower to indicate the amount of bus power required and sets D6.
  • The actual power source at runtime may be determined using the GET_STATUS(DEVICE) request (see Section 9.4.5). If a device configuration supports remote wakeup, D5 is set to one.

エンドポイントディスクリプタ