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BME280.hpp
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/*
* BME280.hpp
*
* Created on: 2022年4月18日
* Author: CYTENA
*/
#ifndef INC_BME280_HPP_
#define INC_BME280_HPP_
#include "stm32f4xx.h"
#define BME280_ADDR (0x76 << 1)
extern I2C_HandleTypeDef hi2c2;
void BME280_read(struct bme280_dev*);
void BME280_init(struct bme280_dev*);
void BME280_setting(struct bme280_settings*);
void BME280_set_osr_p(bme280_settings*, uint8_t);
void BME280_set_osr_t(bme280_settings*, uint8_t);
void BME280_set_osr_h(bme280_settings*, uint8_t);
void BME280_read_sensor(struct bme280_sensor_data*);
void BME280_read_calib_data(struct bme280_calib_data*);
void BME280_print(struct bme280_sensor_data*);
void BME280_compensate_T(struct bme280_sensor_data*, struct bme280_calib_data*, struct bme280_sensor_data*);
void BME280_compensate_P(struct bme280_sensor_data*, struct bme280_calib_data*, struct bme280_sensor_data*);
void BME280_compensate_H(struct bme280_sensor_data*, struct bme280_calib_data*, struct bme280_sensor_data*);
void check_HAL_status(HAL_StatusTypeDef ret, uint8_t address);
struct bme280_calib_data
{
double dig_T1;
double dig_T2;
double dig_T3;
double dig_P1;
double dig_P2;
double dig_P3;
double dig_P4;
double dig_P5;
double dig_P6;
double dig_P7;
double dig_P8;
double dig_P9;
double dig_H1;
double dig_H2;
double dig_H3;
double dig_H4;
double dig_H5;
double dig_H6;
int32_t t_fine;
};
struct bme280_settings
{
uint8_t osr_p;
uint8_t osr_t;
uint8_t osr_h;
uint8_t filter;
uint8_t standby_time;
uint8_t mode;
};
struct bme280_sensor_data
{
double temperature;
double pressure;
double humidity;
};
struct bme280_dev
{
uint8_t chip_id;
struct bme280_calib_data calib_data;
struct bme280_settings settings;
struct bme280_sensor_data sensor_data;
struct bme280_sensor_data compensated_sensor_data;
};
#endif /* INC_BME280_HPP_ */