USBD_Audio_IT_Add

Description

Add an Input Terminal to the specified class instance (i.e. audio function).

Files

usbd_audio.h / usbd_audio.c

Prototype

CPU_INT08U  USBD_Audio_IT_Add (       CPU_INT08U          class_nbr,
                               const  USBD_AUDIO_IT_CFG  *p_it_cfg,
                                      USBD_ERR           *p_err);

Arguments

class_nbr

Class instance number.

p_it_cfg

Pointer to the Input Terminal configuration structure.

p_err

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

USBD_ERR_NONE

USBD_ERR_CLASS_INVALID_NBR

USBD_ERR_NULL_PTR

USBD_ERR_INVALID_ARG

USBD_ERR_AUDIO_IT_ALLOC

Returned Value

Terminal ID assigned by audio class, if NO error(s).

0, otherwise

Callers

Application.

Notes / Warnings

Audio 1.0 specification indicates that ID #0 is reserved for undefined ID. Thus it indicates an error.