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USBD_Audio_Init

USBD_Audio_Init

Dec 03, 2020

Description

Initialize internal structures, local global variables, Audio Processing module and OS layer used by the audio class.

Files

usbd_audio.h / usbd_audio.c

Prototype

void USBD_Audio_Init (CPU_INT16U msg_qty USBD_ERR *p_err);

 

Arguments

msg_qty

Maximum quantity of messages for playback and record tasks' queues.

p_err

Pointer to variable that will receive the return error code from this function.

USBD_ERR_NONE

USBD_ERR_ALLOC

USBD_ERR_OS_INIT_FAIL

Returned Value

None.

Callers

Application.

Notes / Warnings

  1. The initialization function must be called only once by the application, and before calling any other audio class API.