Initial upload

src/modules/Telemetry/Sensor/BMP3XXSensor.cpp

@@ -0,0 +1,58 @@
+#include "configuration.h"
+
+#if !MESHTASTIC_EXCLUDE_ENVIRONMENTAL_SENSOR
+
+#include "../mesh/generated/meshtastic/telemetry.pb.h"
+#include "BMP3XXSensor.h"
+#include "TelemetrySensor.h"
+#include <Adafruit_BMP3XX.h>
+#include <typeinfo>
+
+BMP3XXSensor::BMP3XXSensor() : TelemetrySensor(meshtastic_TelemetrySensorType_BMP3XX, "BMP3XX"){}
+
+int32_t BMP3XXSensor::runOnce()
+{
+    LOG_INFO("Init sensor: %s\n", sensorName);
+    if (!hasSensor())
+    {
+        return DEFAULT_SENSOR_MINIMUM_WAIT_TIME_BETWEEN_READS;
+    }
+
+    status = bmp3xx.begin_I2C(nodeTelemetrySensorsMap[sensorType].first, nodeTelemetrySensorsMap[sensorType].second);
+
+    // set up oversampling and filter initialization
+    bmp3xx.setTemperatureOversampling(BMP3_OVERSAMPLING_4X);
+    bmp3xx.setPressureOversampling(BMP3_OVERSAMPLING_8X);
+    bmp3xx.setIIRFilterCoeff(BMP3_IIR_FILTER_COEFF_3);
+    bmp3xx.setOutputDataRate(BMP3_ODR_25_HZ);
+
+    // take a couple of initial readings to settle the sensor filters
+    for (int i = 0; i < 3; i++)
+    {
+        bmp3xx.performReading();
+    }
+    return initI2CSensor();
+}
+
+bool BMP3XXSensor::getMetrics(meshtastic_Telemetry *measurement)
+{
+    if ((int)measurement->which_variant == meshtastic_Telemetry_environment_metrics_tag)
+    {
+        bmp3xx.performReading();
+        measurement->variant.environment_metrics.temperature = bmp3xx.readTemperature();
+        measurement->variant.environment_metrics.barometric_pressure = bmp3xx.readPressure() / 100.0F;
+        LOG_DEBUG("BMP3XXSensor::getMetrics id: %i temp: %.1f press %.1f\n", measurement->which_variant, measurement->variant.environment_metrics.temperature, measurement->variant.environment_metrics.barometric_pressure);
+    }
+    else
+    {
+        LOG_DEBUG("BMP3XXSensor::getMetrics id: %i\n", measurement->which_variant);
+    }
+    return true;
+}
+
+float BMP3XXSensor::getAltitudeAMSL()
+{
+    return bmp3xx.readAltitude(SEAL_LEVEL_HPA);
+}
+
+#endif