#pragma once
#ifndef I2C_H
#define I2C_H

/* I2C Status */
#define I2C_RET_OK    (int8_t)0
#define I2C_RET_NACK  (int8_t)-1
#define I2C_RET_ERR   (int8_t)-2

typedef enum {
  I2C_Ret_OK  = 0,
  I2C_Ret_NACK = -1,
  I2C_Ret_ERR = -2
} i2c_status_t;

int8_t i2c_check_err(void);
int8_t user_i2c_read(uint8_t id, uint8_t reg_addr, uint8_t *data, uint16_t len);
int8_t user_i2c_write(uint8_t id, uint8_t reg_addr, uint8_t *data, uint16_t len);

#endif // I2C_H