This class driver controls audio USB devices (speakers or microphones). It provides an audio host class driver for a USB stack.

This class driver is used to connect audio devices over a USB link to a host. It can optionally be used with HCC’s USB HID class driver managing volume control.

  • Conforms to the HCC Advanced Embedded Framework.
  • Designed for integration with both RTOS and non-RTOS based systems.
  • Compatible with all HCC USB host controllers.
  • Supports multiple devices connected simultaneously.
  • Supports speakers for playing sound.
  • Supports microphone for recording.
  • Works with HCC USB HID class driver to manage volume control.
  • Uses a system of callbacks for user-specified events.
Audio USB host class driver
Integration into your application

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