USBD_HID_CfgAdd

Owned by Former user (Deleted)
Last updated: Dec 03, 2020 by WES Admin
2 min read

Description

Adds HID class instance into USB device configuration.

Files

usbd_hid.h/usbd_hid.c

Prototype

CPU_BOOLEAN  USBD_HID_CfgAdd (CPU_INT08U   class_nbr,
                              CPU_INT08U   dev_nbr,
                              CPU_INT08U   cfg_nbr,
                              USBD_ERR    *p_err);


Arguments

class_nbr

Class instance number.

dev_nbr

Device number.

cfg_nbr

Configuration index to add class instance to.

p_err

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

USBD_ERR_NONE
USBD_ERR_ALLOC                  
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           
USBD_ERR_EP_NONE_AVAIL          
USBD_ERR_IF_INVALID_NBR         
USBD_ERR_EP_ALLOC

Returned Value

DEF_YES, if NO error(s).

DEF_NO, otherwise.

Callers

Application.

Notes / Warnings

This API may be called several times. This allows to create multiple instances of the HID class into different USB device configurations.