firmware/src/modules/Telemetry/Sensor/BME280Sensor.cpp

#include "BME280Sensor.h"
#include "../mesh/generated/meshtastic/telemetry.pb.h"
#include "TelemetrySensor.h"
#include "configuration.h"
#include <Adafruit_BME280.h>
#include <typeinfo>

BME280Sensor::BME280Sensor() : TelemetrySensor(meshtastic_TelemetrySensorType_BME280, "BME280") {}

int32_t BME280Sensor::runOnce()
{
    LOG_INFO("Init sensor: %s\n", sensorName);
    if (!hasSensor()) {
        return DEFAULT_SENSOR_MINIMUM_WAIT_TIME_BETWEEN_READS;
    }
    status = bme280.begin(nodeTelemetrySensorsMap[sensorType].first, nodeTelemetrySensorsMap[sensorType].second);

    bme280.setSampling(Adafruit_BME280::MODE_FORCED,
                       Adafruit_BME280::SAMPLING_X1, // Temp. oversampling
                       Adafruit_BME280::SAMPLING_X1, // Pressure oversampling
                       Adafruit_BME280::SAMPLING_X1, // Humidity oversampling
                       Adafruit_BME280::FILTER_OFF, Adafruit_BME280::STANDBY_MS_1000);

    return initI2CSensor();
}

void BME280Sensor::setup() {}

bool BME280Sensor::getMetrics(meshtastic_Telemetry *measurement)
{
    LOG_DEBUG("BME280Sensor::getMetrics\n");
    bme280.takeForcedMeasurement();
    measurement->variant.environment_metrics.temperature = bme280.readTemperature();
    measurement->variant.environment_metrics.relative_humidity = bme280.readHumidity();
    measurement->variant.environment_metrics.barometric_pressure = bme280.readPressure() / 100.0F;

    return true;
}