#include <udc.h>

Data Fields
uint8_t	ep

unsigned int	setup: 1

unsigned int	data: 1

unsigned int	status: 1

unsigned int	zlp: 1

unsigned int	claimed: 1

unsigned int	queued: 1

void *	owner

int	err

Detailed Description

UDC endpoint buffer info

This structure is mandatory for all UDC request. It contains the meta data about the request and is stored in user_data array of net_buf structure for each request.

Field Documentation

◆ claimed

unsigned int udc_buf_info::claimed

Flag marks request buffer claimed by the controller (TBD)

◆ data

unsigned int udc_buf_info::data

Flag marks data stage of setup transfer

◆ ep

uint8_t udc_buf_info::ep

Endpoint to which request is associated

◆ err

int udc_buf_info::err

Transfer result, 0 on success, other values on error

◆ owner

void* udc_buf_info::owner

Transfer owner (usually pointer to a class instance)

◆ queued

unsigned int udc_buf_info::queued

Flag marks request buffer is queued (TBD)

◆ setup

unsigned int udc_buf_info::setup

Flag marks setup transfer

◆ status

unsigned int udc_buf_info::status

Flag marks status stage of setup transfer

◆ zlp

unsigned int udc_buf_info::zlp

Flag marks ZLP at the end of a transfer

The documentation for this struct was generated from the following file:

include/zephyr/drivers/usb/udc.h

Data Fields