i2c.h

来自「I2c code for LPC2148」· C头文件 代码 · 共 35 行

#ifndef INC_I2C_H
#define INC_I2C_H

#include "config.h"

//#define BIT(x) (1 << x)
#define I2C_EN BIT(6)
#define I2C_STA BIT(5)
#define I2C_STO BIT(4)
#define I2C_SI BIT(3)
#define I2C_AA BIT(2)

//#define EEPROM_WRITE 0xA0 //10101110
//#define EEPROM_READ 0xA1  //10101111
#define EEPROM_WRITE 0xAE
#define EEPROM_READ  0xAF

#define I2C_PINSEL		(0x00000050)
#define I2C_PINMASK		(0x000000F0)

void InitEEPROM(void);
void AddressEEPROM(unsigned char ChipID, unsigned short Address);
void WriteEEPROM(unsigned char ChipID, unsigned short Address, unsigned char Data);
unsigned char ReadEEPROM (unsigned char ChipID);
unsigned long SizeEEPROM (unsigned char ChipID);
void testEEPROM(void);


#endif