eeprom.h

基于ucosSAEj1939的汽车组合仪表,硬件是MC9S12H128

#ifndef _EEPROM_H
#define _EEPROM_H

/***********************************
Name:    eeprom.h
Function:Erase and Program the EEPROM 
Note:    refer to the book "单片机嵌入式应用的在线开发方法" ,邵贝贝
Author:  caolei  
Data:    2006.2.26
************************************/

#define EraseInSector   0x40  //erase with sector command
#define ProgramInAlignedWord    0x20  //program with word command

#define EepromBeginAdd  0x0800  //eeprom begin address
#define EepromEndAdd  0x0900  //eeprom End address

#define NumberOfWord 2  //the TotalDistance's occupation

void ULongToUInt(unsigned long LongData,unsigned int IntH,unsigned int IntL);
void UIntToULong(unsigned long LongData,unsigned int IntH,unsigned int IntL);

void EepromErase(void);							//erase eeprom
void EepromProgram(dword data);				//save data into eeprom
dword ReadFromEeprom(void);						//read data from eeprom

#endif