i2c.h

来自「I2c实现对AT24C16写入1至8的ASCII码」· C头文件 代码 · 共 37 行

#ifndef	_I2C_H_
#define _I2C_H_

#ifndef _REG52_H_
#include "reg52.h"
#endif

#ifndef __INTRINS_H__
#include <intrins.h>
#endif


#define MSB(word)      (BYTE)(((WORD)(word) >> 8) & 0xff)
#define LSB(word)      (BYTE)((WORD)(word) & 0xff)

sbit SDA=P1^6;
sbit SCL=P1^7;

void I2C_Delay(void);
void I2C_Start(void);
void I2C_Stop();
void I2C_SACK();
void I2C_SNACK();
bit I2C_CACK();

void I2C_WriteOneByte(unsigned char tData);
unsigned char I2C_ReadOneByte();

unsigned char I2C_ReadEEPROM_OneByte(unsigned char SLA,unsigned char addr);
void I2C_WriteEEPROM_OneByte(unsigned char SLA,unsigned char add,unsigned char tdata);

void I2C_WriteEEPROM_OnePage(unsigned char SLA,unsigned char page,unsigned char *buff,unsigned int length);
void I2C_ReadEEPROM_OnePage(unsigned char SLA,unsigned char page,unsigned char *buff,unsigned int length);

#endif