i2c.h

51汇编程序实例

#define PAGE_NUMBER  	8 	//24c02 24c04  8 byte a page ; 24c04 24c08 16 byte a page
#define I2C_ID_EEPROM   0xA0

sbit     __sbCSsck =	P2^3;
sbit     __sbCSsda =	P2^4;

#define YEAR_ADDR		0x01
#define MONTH_ADDR		0x02
#define DAY_ADDR		0x03
#define EEPROM_PASSWORD	0X04
#define DELAY_10mS		10

//BYTE code EEPROM_PASSWORD[]=	{"KWANG"};//the length is '6'
BIT		EEPROM_CHANGE	  	=		0;//'1' EQU IT HAD BEEN CHANGED
BIT		EEPROM_WRITE		=		0;//'1' EQU MUST WRITE
BYTE code	Test_Array[92]={LETTER_T,	LETTER_e,	LETTER_l,	LETTER_l,
							LETTER_NULL,LETTER_K,	LETTER_i,	LETTER_t,
							LETTER_t,	LETTER_y,	LETTER_NULL,LETTER_I,
							LETTER_NULL,LETTER_l,	LETTER_o,	LETTER_v,
							LETTER_e,	LETTER_NULL,LETTER_h,	LETTER_e,	
							LETTER_r,	LETTER_COMMA,LETTER_t,	LETTER_e,	
							LETTER_l,	LETTER_l,	LETTER_NULL,LETTER_K,
							LETTER_i,	LETTER_t,	LETTER_t,	LETTER_y,
							LETTER_NULL,LETTER_I,	LETTER_NULL,LETTER_n,
							LETTER_e,	LETTER_e,	LETTER_d,	LETTER_NULL,
							LETTER_h,	LETTER_e,	LETTER_r,	LETTER_COMMA,
							LETTER_t,	LETTER_e,	LETTER_l,	LETTER_l,
							LETTER_NULL,LETTER_K,	LETTER_i,	LETTER_t,
							LETTER_t,	LETTER_y,	LETTER_NULL,LETTER_n,
							LETTER_o,	LETTER_t, 	LETTER_NULL,LETTER_c,
							LETTER_r,	LETTER_y,	LETTER_COMMA,LETTER_m,
							LETTER_y,	LETTER_NULL,LETTER_l,	LETTER_o,
							LETTER_v,	LETTER_e,	LETTER_NULL,LETTER_f,
							LETTER_o,	LETTER_r,	LETTER_NULL,LETTER_h,
							LETTER_e,	LETTER_r,	LETTER_NULL,LETTER_w,
							LETTER_h,	LETTER_e,	LETTER_n,	LETTER_e,
							LETTER_v,	LETTER_e,	LETTER_r,	LETTER_NULL,
							LETTER_d,	LETTER_i,	LETTER_e,	LETTER_DOT};