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相关代码

				/******************** (C) COPYRIGHT 2007 STMicroelectronics ********************
				* File Name          : usb_init.h
				* Author             : MCD Application Team
				* Version            : V1.0
				* Date               : 10/08/2007
				* Description        : Initialization routines & global variables
				********************************************************************************
				* THE PRESENT SOFTWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
				* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
				* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
				* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
				* CONTENT OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
				* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
				*******************************************************************************/
				
				/* Define to prevent recursive inclusion -------------------------------------*/
				#ifndef __USB_INIT_H
				#define __USB_INIT_H
				
				/* Includes ------------------------------------------------------------------*/
				/* Exported types ------------------------------------------------------------*/
				/* Exported constants --------------------------------------------------------*/
				/* Exported macro ------------------------------------------------------------*/
				/* Exported functions ------------------------------------------------------- */
				void USB_Init(void);
				
				/* External variables --------------------------------------------------------*/
				/*  The number of current endpoint, it will be used to specify an endpoint */
				extern u8	EPindex;
				/*  The number of current device, it is an index to the Device_Table */
				/*extern u8	Device_no; */
				/*  Points to the DEVICE_INFO structure of current device */
				/*  The purpose of this register is to speed up the execution */
				extern DEVICE_INFO*	pInformation;
				/*  Points to the DEVICE_PROP structure of current device */
				/*  The purpose of this register is to speed up the execution */
				extern DEVICE_PROP*	pProperty;
				/*  Temporary save the state of Rx & Tx status. */
				/*  Whenever the Rx or Tx state is changed, its value is saved */
				/*  in this variable first and will be set to the EPRB or EPRA */
				/*  at the end of interrupt process */
				extern USER_STANDARD_REQUESTS *pUser_Standard_Requests;
				
				extern u16	SaveState ;
				extern u16 wInterrupt_Mask;
				
				#endif /* __USB_INIT_H */
				
				/******************* (C) COPYRIGHT 2007 STMicroelectronics *****END OF FILE****/
							

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