#ifndef __IIC_H__
#define __IIC_H__

#include "common.h"

typedef enum
{
    IIC_1 = 0,
    IIC_2 = 1,
    IIC_3 = 2,
    IIC_4 = 3,
	
} IICN_enum;

// IO口是绑定死的，这里只是列出来
typedef enum
{
    IIC1_SCL_P15 = 0x00, IIC1_SDA_P14,
    IIC2_SCL_P25 = 0x10, IIC2_SDA_P24,
    IIC3_SCL_P77 = 0x20, IIC3_SDA_P76,
    IIC4_SCL_P32 = 0x30, IIC4_SDA_P33,
} IIC_PIN_enum;


#define IIC_SEND_OK 	0
#define IIC_SEND_FAIL	1

void  iic_init(IICN_enum iic_n, uint8 wait_time);
uint8 iic_write_reg(uint8 dev_add, uint8 reg, uint8 dat);
uint8 iic_read_reg(uint8 dev_add, uint8 reg, uint8 *dat);
uint8 iic_read_reg_bytes(uint8 dev_add, uint8 reg, uint8 *dat, uint8 num);
void iic_change_pin(IICN_enum iic_n);

#endif