#ifndef __INA226_H__
#define __INA226_H__

#include "common.h"


#define INA226_USE_SOFT_IIC   0

#define INA226_NUM    1

#define INA226_READ_TIME_MS   1

#if (1==INA226_USE_SOFT_IIC)

#define INA226_SDA_PIN    P24
#define INA226_SCL_PIN    P25
#define INA226_SOFT_WAIT_TIME  5

#define INA226_SDA_LEVEL(x)   (INA226_SDA_PIN = x)
#define INA226_SCL_LEVEL(x)   (INA226_SCL_PIN = x)
#define INA226_SDA_READ()     (INA226_SDA_PIN)

#else

#define INA226_IIC   IIC_1
#define INA226_HARD_WAIT_TIME  10

#endif

#define INA226_CONFIG_REG      0x00
#define INA226_SHUNTVOT_REG    0x01
#define INA226_BUSVOT_REG      0x02
#define INA226_POWER_REG       0x03
#define INA226_CURRENT_REG     0x04
#define INA226_CALIBRATION_REG 0x05

#define INA226_DEF_ADDR         0x40
#define INA226_DEF_MODE         {0x44, 0x4F}
#define INA226_DEF_CAL          {0x0D, 0x1B}


typedef struct
{
    uint8 addr;
    float max_current_A;
    float rshunt_mOhm;
    float vot_fix_k;
    float amp_fix_k;
    uint8 mode[2];
} INA226_Config;

typedef struct
{
    float c_lsb_mA;
    uint8 cal[2];
} INA226_Calibration;

typedef struct
{
    float voltage_V;
    float current_A;
    float power_W;
    float shunt_voltage_mV;
    float energy_J;
    float quantity_C;
    uint8 org_reg[4][2];
    float past_voltage_V[10];
    float past_current_A[10];
} INA226_Result;

typedef struct
{
    INA226_Config config;
    INA226_Calibration calibration;
    INA226_Result result;
} INA226_t;

extern INA226_t ina226[INA226_NUM];

void INA226_Init(INA226_t *ina226, uint8 addr, uint8 mode[2], float max_current_A, float rshunt_mOhm, float amp_fix_k, float vot_fix_k);
void INA226_Read(INA226_t *ina226);

#endif