yggdrasil/thermo_sensor/main/ygg_bmp280.c

#include <stdio.h>
#include <string.h>
#include <bmp280.h>
#include "ygg_bmp280.h"

extern float last_temperature;
extern float last_pressure;
extern float last_humidity;

void ygg_bmp280_init(bmp280_t *dev) {
    bmp280_params_t params;
    bmp280_init_default_params(&params);
    memset(dev, 0, sizeof(bmp280_t));

    ESP_ERROR_CHECK(bmp280_init_desc(dev, BMP280_I2C_ADDRESS_0, 0, I2C_MASTER_SDA, I2C_MASTER_SCL));
    ESP_ERROR_CHECK(bmp280_init(dev, &params));

    bool bme280p = dev->id == BME280_CHIP_ID;
    printf("BMP280: found %s\n", bme280p ? "BME280" : "BMP280");
}

void ygg_bmp280_read_sensor(bmp280_t *dev) {
    float pressure, temperature, humidity;
    bool bme280p = dev->id == BME280_CHIP_ID;

    if (bmp280_read_float(dev, &temperature, &pressure, &humidity) != ESP_OK)
        printf("Temperature/pressure reading failed\n");

    last_temperature = temperature;
    last_pressure = pressure;
    last_humidity = humidity;
    printf("Pressure: %.2f Pa, Temperature: %.2f C", pressure, temperature);
    if (bme280p)
        printf(", Humidity: %.2f\n", humidity);
    else
        printf("\n");
}