#ifndef _AT24C02_H_
#define _AT24C02_H_
/* 與編譯器無關的數據類型定義 */
/********************************************************************************************/
typedef unsigned char      uint8;                // 無符號8位整型變量


/* 定義器件在I2C總線中的地址 */
#define AT24C02_WriteDeviceAddress 0xa0         //寫
#define AT24C02_ReadDeviceAddress  0xa1         //讀


/* 定義位變量 */
sbit SCL=P0^4;                                   // I2C總線的時鐘信號
sbit SDA=P0^5;                                   // I2C總線的數據信號

#define TRUE        1
#define FALSE       0
#define NOP _nop_()

extern void I2C_Start(void);
extern void I2C_Stop(void);
extern void ACK(void);
extern void NoAck(void);
extern bit I2C_Check_Ack(void);
extern void I2C_Write8Bit(uint8 I2C_data);
extern uint8 I2C_Read8Bit(void);
extern void AT24C02_Write1Byte(uint8 AT24C02_Address,uint8 AT24C02_1Byte);
extern uint8 AT24C02_Read1Byte(uint8 AT24C02_Address);
extern void AT24C02_WriteNByte(unsigned char Address,unsigned char *Wdata,unsigned char number);
extern void AT24C02_ReadNByte(unsigned char Address,unsigned char *Wdata,unsigned char number);

#endif