gpio_i2c/02_business/gpio_i2c.h

#ifndef __gpio_i2c_h__
#define __gpio_i2c_h__

/*** 
 * 引入HALL层 gpio初始化 文件
***/
#include "hal_io.h"

/*
 * 定义GPIO引脚
*/
typedef struct
{
    port_t sda_port;
    port_t scl_port;
}i2c_port_t;

extern void I2cInit(i2c_port_t i2cPort);
extern void I2cStart();
extern void I2cStop();
extern void I2cWaitAck();
extern void I2cSendAck();
extern void I2cSendByte();
extern void I2cReadByte();

#endif