usb_init.h

STR912的usb例程

/******************** (C) COPYRIGHT 2006 STMicroelectronics ********************
* File Name          : usb_init.h
* Author             : MCD Application Team
* Date First Issued  : 2/6/2006 
* Description        : initialization routines & global variables
********************************************************************************
* History:
* 2/6/2006:  Beta Version V0.1
********************************************************************************
* 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.
*******************************************************************************/
/*  Save token on endpoint 0 */
extern BYTE	EP0_Token  ;

/*  Interrupt flags.*/
/*  Each bit represents an interrupt is coming to that endpoint */
extern WORD	Token_Event	;

/*  The number of current endpoint, it will be used to specify an endpoint */
extern BYTE	EPindex;

/*  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 WORD	SaveState ;

extern WORD wInterrupt_Mask;

void USB_Init(void);