include/usb/request.h File Reference

USB request structure and associated helper functions. More...

#include <bitops.h>
#include <buffer.h>
#include <types.h>
#include <status_codes.h>

Go to the source code of this file.

Data Structures
struct	usb_request
	A USB request. More...
Enumerations
enum	usb_request_flag { USB_REQ_SHORT_PKT }
	Flag bits for indicating that a request needs special treatment. More...
Functions
void	usb_req_init (struct usb_request *req)
	Initialize a USB request.
static void	usb_req_add_buffer (struct usb_request *req, struct buffer *buf)
	Add a buffer to a USB request.
struct usb_request *	usb_req_alloc (void)
	Allocate and initialize a USB request structure.
void	usb_req_free (struct usb_request *req)
	Free a USB request structure.
void	usb_init (void)
	Initialize the USB core subsystem.
static struct buffer *	usb_req_get_first_buffer (struct usb_request *req)
	Return the first buffer associated with req.

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Detailed Description

USB request structure and associated helper functions.

A USB request contains one or more data buffers which are used to send and receive data over USB pipes and endpoints.

Copyright (C) 2009 Atmel Corporation. All rights reserved.

Definition in file request.h.