最終更新:2014-02-26 (水) 05:38:35 (1786d)  

エンドポイント0 はてなブックマークを見る
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USB control, class request codes, and polled data (Message data).

Endpoint 0 is a Control pipe always present in USB devices. Therefore, only the Interrupt In pipe is described for the Interface descriptor using an Endpoint descriptor. In fact, several Interface descriptors may share Endpoint 0. An Interrupt Out pipe is optional and requires an additional Endpoint descriptor if declared.

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