#ifndef __INA226_H__
#define __INA226_H__

#include "delay.h"

#include "iic.h"
#include "config.h"

// 寄存器地址定义
#define CONFIG_REG    0x00
#define SHUNT_V_REG   0x01
#define BUS_V_REG     0x02
#define POWER_REG     0x03
#define CURRENT_REG   0x04
#define CAL_REG       0x05
#define ID_REG        0xFF

// I²C地址（A0/A1接地）
#define INA226_ADDR   0x80

// 函数声明
void INA226_Init(uint16_t r_shunt, float max_current);
void INA226_WriteReg(uint8_t reg, uint16_t value);
uint16_t INA226_ReadReg(uint8_t reg);

float INA226_ReadShuntVoltage(void);
float INA226_ReadBusVoltage(void);
float INA226_ReadCurrent(void);
float INA226_ReadPower(void);

#endif