weatherstation/firmware/sensor_bmp280.ino

#include <Adafruit_BMP280.h> // Install from library manager - sensor board info: https://www.bastelgarage.ch/bmp280-temperatur-luftdruck-sensor

Adafruit_BMP280 _sensor_bmp280;
Adafruit_Sensor *_sensor_bmp280_temp     = _sensor_bmp280.getTemperatureSensor();
Adafruit_Sensor *_sensor_bmp280_pressure = _sensor_bmp280.getPressureSensor();

bool sensor_bmp280_begin(uint8_t addr)
{
  bool status = _sensor_bmp280.begin(addr);

  if (status)
  {
    debug("BMP280 Connected");

    _sensor_bmp280.setSampling(Adafruit_BMP280::MODE_NORMAL,     /* Operating Mode. */
                               Adafruit_BMP280::SAMPLING_X2,     /* Temp. oversampling */
                               Adafruit_BMP280::SAMPLING_X16,    /* Pressure oversampling */
                               Adafruit_BMP280::FILTER_X16,      /* Filtering. */
                               Adafruit_BMP280::STANDBY_MS_500); /* Standby time. */

  } else {
    debug("Could not find a valid BMP280 sensor, check wiring or try a different address!");
    debug("SensorID was: " + String(_sensor_bmp280.sensorID()));
    debug("  ID of 0xFF probably means a bad address, a BMP180 or BMP085");
    debug("  ID of 0x56-0x58 represents a BMP280,");
    debug("  ID of 0x60 represents a BME280,");
    debug("  ID of 0x61 represents a BME680.");

  }

  return status;
}

float bmp280_temperature()
{
  sensors_event_t temp_event, pressure_event;
  _sensor_bmp280_temp->getEvent(&temp_event);
  return temp_event.temperature * TEMP_FACTOR;
}

float bmp280_pressure()
{
  sensors_event_t pressure_event;
  _sensor_bmp280_pressure->getEvent(&pressure_event);
  return pressure_event.pressure;
}