eeprom_drv.h

飞思卡尔车身控制技术研讨会资料范例 基于LIN的收发通信

/*******************************************************************************/
/*
Copyright (c) 2008 Freescale Semiconductor
\file       EEPROM_Drv.h
\brief      Definitions and function prototypes for S08DZ60 EEPROM driver
\author     Freescale Semiconductor
\author     B01246/ B07297
\version    0.1
\date       January/2008
*/
/*******************************************************************************/

#ifndef EEPROMDRV_H        /*prevent duplicated includes*/
#define EEPROMDRV_H

#include "derivative.h" /* include peripheral declarations */

#define EEPROM_DIV      (39) //Clock divisor for Busclock=8Mhz.

/*------------------------------------------------------------------------------*/
#define EEPROMStart                     0x1400 
#define EEPROMEnd                       0x17FF 

#define ERR_OK                          0             /* OK */
#define ERR_RANGE                       1             /* Parameter out of range */
#define ERR_BUSY                        2             /* Device is busy */
#define ERR_MISALIGN                    3             /* Requested value or method not available */
#define ERR_NON_BLANK                   4             /* EEPROM word not blank */

#define EEPROM_BUSY                     0
#define EEPROM_READY                    1

#define NO_TASK_PENDING                 0
#define BYTE_PROGRAM_REQUEST            1
#define SECTOR_ERASE_REQUEST            2
#define BYTE_ERASE_REQUEST              3
#define WAIT_COMMAND_COMPLETION         4

/*-- Function Prototypes -------------------------------------------------------*/
void vfnEE_Init(UINT8 val);
UINT8 EE_GetByte(UINT16 Addr,UINT8 *Data);
UINT8 EE_GetWord(UINT16 Addr,UINT16 *Data);

UINT8 IsEEPROMBusy(void);
UINT8 u8ByteWriteOnlyEEPROM(UINT16 AddrByte,UINT8 *Data8_ptr, UINT8 Bytes);
UINT8 u8ByteWriteEEPROM(UINT16 AddrByte,UINT8 *Data8_ptr, UINT8 Bytes);
UINT8 u8SectorEraseEEPROM(UINT16 AddrSect, UINT8 Sectors);
void vfnEEPROM_Tasks(void);
/*------------------------------------------------------------------------------*/
#endif /*EEPROM_DRV_H*/


/*******************************************************************************/
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