at24x.h

ADS1.2下AT91SAM9260对AT24C08 EEPROM的读写操作

#ifndef AT24X_h
#define AT24X_h

#include "main.h"

#define AT24C08_BASE_ADDR  				0x50					// AT24C08 器件地址为：0x50
#define AT24C08_PAGE_SIZE				4						// AT24C08 共 4 页(0,1,2,3)
#define AT24C08_MAX_ADDR				(AT24C08_PAGE_SIZE*256)	// AT24C08 最大寻址空间为：1024
#define AT24C08_MAX_BYTE				(AT24C08_PAGE_SIZE*256)	// AT24C08 最多可写1024字节

#define AT91C_EEPROM_READ_OK			0
#define AT91C_EEPROM_WRITE_OK			0

#define AT91C_TWI_CLOCK 	100000
#define PASSWORD_LENGTH		6


char AT24C08_Write(int address, char *data, int size);
char AT24C08_Read(int address, char *data, int size);

void AT24C08_Test(void);

#endif