:orphan:

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AN00246: Simple USB Audio Device using lib_xua
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:vendor: XMOS
:version: 1.0.0
:scope: Example
:description: Simple USB Audio device using lib_xua
:category: General Purpose
:keywords: USB Audio, I2S
:hardware: XK-AUDIO-316-MC

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Summary
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This application note demonstrates the use of the XMOS XUA library to
create a USB device that can play two channels of audio from the host out
via I²S. This is connected to a DAC and the audio can be heard on the
output jack.

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Required hardware
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The example code provided with the application has been implemented
and tested on the xCORE.ai Multi-channel Audio Board

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Required tools
**************

  * XMOS XTC Tools: 15.3.0

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Required libraries (dependencies)
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  * `lib_xua <https://www.xmos.com/file/lib_xua>`_
  * `lib_adat <https://www.xmos.com/file/lib_adat>`_
  * `lib_locks <https://www.xmos.com/file/lib_locks>`_
  * `lib_logging <https://www.xmos.com/file/lib_logging>`_
  * `lib_mic_array <https://www.xmos.com/file/lib_mic_array>`_
  * `lib_xassert <https://www.xmos.com/file/lib_xassert>`_
  * `lib_xcore_math <https://www.xmos.com/file/lib_xcore_math>`_
  * `lib_spdif <https://www.xmos.com/file/lib_spdif>`_
  * `lib_sw_pll <https://www.xmos.com/file/lib_sw_pll>`_
  * `lib_xud <https://www.xmos.com/file/lib_xud>`_
  * `lib_board_support <https://www.xmos.com/file/lib_board_support>`_

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Related application notes
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 * None

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Support
*******

This package is supported by XMOS Ltd. Issues can be raised against the software at: http://www.xmos.com/support