usb_extern.h

微机+CF卡+SD卡+USB的开发示例希望大家能用

/*********************************************************************
 
  (c) copyright Freescale Semiconductor Hong Kong Ltd 2004
  ALL RIGHTS RESERVED
 
 *********************************************************************
 
                   USB Driver Module for S12 MCUs 
 
 *********************************************************************

  File:			usb_extern.c
 
  Description:  Prototypes of global variable of USB Driver
 
  Date:         Jun. 2002
  Author:		Keny Chen
  
 ********************************************************************/


#include	"FreescaleDef.h"				// get my Constant & Type definitions.


//
//  This is the header file of all the global variables for modules
//   to include in. All the global variables allocation is done in
//   file <usb_Data.c>.
//

#ifndef _H_USB_EXTRN_		// To avoid multiple defining
#define _H_USB_EXTRN_		// start of external variables definition


// --------------------------------------------------------------------

#pragma DATA_SEG DEFAULT

// *********************************************************************
//
// 					Global Variables of USB Driver
//
// *********************************************************************
//
#ifndef _USB_G_DECL_
#define _USB_G_DECL_ extern
#endif

_USB_G_DECL_ muint8	  	EP_Resource[2][7];			// Endpoint buffer location Table [Configuration][Endpoint]
_USB_G_DECL_ muint8		gUSBFullSpeed;					// 0=HS, 1=FS
_USB_G_DECL_ muint16	gUSBPacketSize;				// 
_USB_G_DECL_ muint16	gUSBDebug;


// code is placed in the main code area.
#pragma CODE_SEG	DEFAULT
//#pragma CODE_SEG	CodeForceToPseudo_ROM2		//for testing							 
 
// *********************************************************************
//
//	               EXPORTED FUNCTIONS FOR OTHER MODULES
//
//   (Can be called by other modules like Application, Drivers...etc)
//
// *********************************************************************



#endif	_H_USB_EXTRN_		// end of my external variables definition
//
// The end of file usb_extern.h 
// *********************************************************************************