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@uucidl
Last active August 5, 2020 09:10
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Let's make a simple USB audio driver for xHCI hosts and Audio Class 1.0

If you develop drivers (Software) for USB peripherals then you may only need to read chapters, 4 - Architectural Overview 5 - USB Data Flow Model 9 - USB Device Frame Work, and 10 - USB Host Hardware and Software.

You probably also need to know xHCI. The host-side USB spec.

  • USB 2.0 Specification
    • 4 - Architectural Overview: The USB is a polled bus. The Host Controller initiates all data transfers using token packets. The source sends a data packet, the destination replies with an acknowledgement packet.
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