USBD_IF_Add

Description

Send data on CDC data class interface.

Files

usbd_cdc.h/usbd_cdc.c

Prototype

CPU_INT08U  USBD_IF_Add (       CPU_INT08U        dev_nbr,
                                CPU_INT08U        cfg_nbr,
                                USBD_CLASS_DRV   *p_class_drv,
                                void             *p_class_arg,
                                CPU_INT08U        class_code,
                                CPU_INT08U        class_sub_code,
                                CPU_INT08U        class_protocol_code,
                         const  CPU_CHAR         *p_name,
                                USBD_ERR         *p_err);

Arguments

dev_nbr

Device number.

cfg_nbr

Configuration index to add the interface.

p_class_drv

Pointer to interface driver.

p_class_arg

Pointer to interface driver argument.

class_code

Class code assigned by the USB-IF.

class_sub_code

Subclass code assigned by the USB-IF.

class_protocol_code

Protocol code assigned by the USB-IF.

p_name

Pointer to string describing the Interface.

p_err

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

USBD_ERR_NONE

USBD_ERR_INVALID_ARG

USBD_ERR_NULL_PTR

USBD_ERR_DEV_INVALID_NBR

USBD_ERR_DEV_INVALID_STATE

USBD_ERR_CFG_INVALID_NBR

USBD_ERR_IF_ALLOC

USBD_ERR_IF_ALT_ALLOC

Returned Value

Interface number, If no error(s).

USBD_IF_NBR_NONE, otherwise.

Callers

Classes.

Notes / Warnings

None.