nor_private.h

此为整套uC/FS程序

/*
**********************************************************************
*                          Micrium, Inc.
*                      949 Crestview Circle
*                     Weston,  FL 33327-1848
*
*                            uC/FS
*
*             (c) Copyright 2001 - 2007, Micrium, Inc.
*                      All rights reserved.
*
***********************************************************************
**** 礐/FS file system for embedded applications ****
礐/FS is protected by international copyright laws. Knowledge of the
source code may not be used to write a similar product. This file may
only be used in accordance with a license and should not be re-
distributed in any way. We appreciate your understanding and fairness.
----------------------------------------------------------------------
File        : NOR_Private.h
Purpose     : Private header file for the system-wide generic FLASH driver
---------------------------END-OF-HEADER------------------------------
*/
#ifndef _NOR_PRIVATE_H_              // Avoid multiple/recursive inclusion
#define _NOR_PRIVATE_H_

#include "Global.h"

/*********************************************************************
*
*       #define constants
*
**********************************************************************
*/
#ifndef   FS_NOR_LINE_SIZE
  #define FS_NOR_LINE_SIZE     4 /* Size of a flash line. 4 for most external, bigger for some MCUs. */
                                   /* LPC requires 16 ! */
#endif

#ifndef   FS_NOR_CAN_REWRITE
  #if FS_NOR_LINE_SIZE > 4
    #define FS_NOR_CAN_REWRITE   0 /* Most flash chips can rewrite the same data, as long as 0-bits remain */
  #else
    #define FS_NOR_CAN_REWRITE   1
  #endif
#endif

#ifndef   FS_NOR_HUGE                 // Used for 8/16-bit CPUs only
  #define FS_NOR_HUGE
#endif

#ifndef   FS_NOR_FAR                  // Used for 8/16-bit CPUs only
  #define FS_NOR_FAR
#endif

/*********************************************************************
*
*       Macros, function replacement, interrupt handling
*
**********************************************************************
*/
#ifndef   FS_NOR_DI
  #define FS_NOR_DI()
#endif

#ifndef   FS_NOR_EI
  #define FS_NOR_EI()
#endif

/*********************************************************************
*
*       Types
*
**********************************************************************
*/
typedef struct FS_NOR_CFI_HW {
  int  (*pfEraseSectorAMD)  (U8 Unit, U32 BaseAddr, U32 SectorAddr);
  char (*pfWriteAMD)        (U8 Unit, U32 BaseAddr, U32 DestAddr, const U16 FS_NOR_HUGE* pSrc0, int NumItems);
  int  (*pfEraseSectorINTEL)(U8 Unit, U32 BaseAddr, U32 SectorAddr);
  char (*pfWriteINTEL)      (U8 Unit, U32 BaseAddr, U32 DestAddr, const U16 FS_NOR_HUGE* pSrc0, int NumItems);
  void (*pfReadCFI)         (U8 Unit, U32 BaseAddr, U32 Off, U8 * pData, unsigned NumItems);
  int  (*pfRead)            (U8 Unit, void * pDest, U32 Addr, U32 Len);
} FS_NOR_CFI_HW;


/*********************************************************************
*
*       Public data
*
**********************************************************************
*/
extern const FS_NOR_CFI_HW FS_NOR_CFI_1x16;
extern const FS_NOR_CFI_HW FS_NOR_CFI_2x16;

#endif                               // Avoid multiple/recursive inclusion

/*************************** End of file ****************************/