最終更新:2015-05-20 (水) 14:40:24 (3235d)
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 6 Self Power(0/1) bit 5 Remote 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.