i2c_intf.h

来自「HDMI anx9021的驱动」· C头文件 代码 · 共 38 行

//********************************************************************************************
//********************************************************************************************
//***************************     Firmware for ANX9021     ***********************************
//********************************************************************************************
//********************************************************************************************

//******************************************************************************
//  ANALOGIX Company 
//  ANX9021 Firmware on AT89C51RC clean for customer
//  Version 1.51	2006/04/27
//******************************************************************************

#ifndef _I2C_INTF_H
#define _I2C_INTF_H

#include "Mcu.h" 

#define SDA_P P1_1
#define SCL_P P1_2

// two I2C address
#define PORT0_ADDR	0x60
#define PORT1_ADDR	0x68

void i2c_init(void);
void i2c_set_dev_addr(unsigned char daddr);
char i2c_write_p0_reg(unsigned char offset, unsigned char d);
char i2c_write_p1_reg(unsigned char offset, unsigned char d);
char i2c_write_p0_regs(unsigned char offset, unsigned char *dat, unsigned char len);
char i2c_write_p1_regs(unsigned char offset, unsigned char *dat, unsigned char len);
char i2c_read_p0_reg(unsigned char offset, unsigned char *d);
char i2c_read_p1_reg(unsigned char offset, unsigned char *d);
char i2c_read_p0_regs(unsigned char offset, unsigned char *dat, unsigned char len);
char i2c_read_p1_regs(unsigned char offset, unsigned char *dat, unsigned char len);


#endif