History: usbd_cd_audio_20

This page describes all changes made to the usbd_cd_audio_20 package, USBD Audio 2.0 Class Driver, since its release.

Version

1.2 (2020-08-07, 13:55)

  • Audio feedback (synchronization of the sampling rate) was working incorrectly when connected to Windows hosts, resulting in an erroneous playback stream.

1.1 (2019-05-20, 19:00):
    - Initial release. Supported features:

  • 1 USB Streaming Input Terminal
  • 1 USB Streaming Output Terminal
  • 1 Microphone Input Terminal
  • 1 Speaker Output Terminal
  • 1 Clock Source Unit with a configurable number of discrete freqnecies.

   - Limitations:

  • Descriptor generator tool does not support  Audio 2.0 devices.
  • Basic Feature Unit controls (Volume Control, Mute Control etc.) are not supported