Add bmp-280 support (#1581)

src/modules/Telemetry/EnvironmentTelemetry.cpp

@@ -11,12 +11,14 @@
 #include <OLEDDisplayUi.h>
 
 // Sensors
+#include "Sensor/BMP280Sensor.h"
 #include "Sensor/BME280Sensor.h"
 #include "Sensor/BME680Sensor.h"
 #include "Sensor/MCP9808Sensor.h"
 #include "Sensor/INA260Sensor.h"
 #include "Sensor/INA219Sensor.h"
 
+BMP280Sensor bmp280Sensor;
 BME280Sensor bme280Sensor;
 BME680Sensor bme680Sensor;
 MCP9808Sensor mcp9808Sensor;
@@ -69,10 +71,12 @@ int32_t EnvironmentTelemetryModule::runOnce()
             DEBUG_MSG("Environment Telemetry: Initializing\n");
             // it's possible to have this module enabled, only for displaying values on the screen.
             // therefore, we should only enable the sensor loop if measurement is also enabled
-            if (bme680Sensor.hasSensor()) 
-                result = bme680Sensor.runOnce();
+            if (bmp280Sensor.hasSensor()) 
+                result = bmp280Sensor.runOnce();
             if (bme280Sensor.hasSensor()) 
                 result = bme280Sensor.runOnce();
+            if (bme680Sensor.hasSensor()) 
+                result = bme680Sensor.runOnce();
             if (mcp9808Sensor.hasSensor()) 
                 result = mcp9808Sensor.runOnce();
             if (ina260Sensor.hasSensor()) 
@@ -196,6 +200,8 @@ bool EnvironmentTelemetryModule::sendOurTelemetry(NodeNum dest, bool wantReplies
     DEBUG_MSG("-----------------------------------------\n");
     DEBUG_MSG("Environment Telemetry: Read data\n");
 
+    if (bmp280Sensor.hasSensor())
+        bmp280Sensor.getMetrics(&m);
     if (bme280Sensor.hasSensor())
         bme280Sensor.getMetrics(&m);
     if (bme680Sensor.hasSensor())

src/modules/Telemetry/Sensor/BMP280Sensor.cpp

@@ -0,0 +1,30 @@
+#include "../mesh/generated/telemetry.pb.h"
+#include "configuration.h"
+#include "TelemetrySensor.h"
+#include "BMP280Sensor.h"
+#include <Adafruit_BMP280.h>
+#include <typeinfo>
+
+BMP280Sensor::BMP280Sensor() : 
+    TelemetrySensor(TelemetrySensorType_BME280, "BMP280")
+{
+}
+
+int32_t BMP280Sensor::runOnce() {
+    DEBUG_MSG("Init sensor: %s\n", sensorName);
+    if (!hasSensor()) {
+        return DEFAULT_SENSOR_MINIMUM_WAIT_TIME_BETWEEN_READS;
+    }
+    status = bmp280.begin(nodeTelemetrySensorsMap[sensorType]); 
+    return initI2CSensor();
+}
+
+void BMP280Sensor::setup() { }
+
+bool BMP280Sensor::getMetrics(Telemetry *measurement) {
+    DEBUG_MSG("BMP280Sensor::getMetrics\n");
+    measurement->variant.environment_metrics.temperature = bmp280.readTemperature();
+    measurement->variant.environment_metrics.barometric_pressure = bmp280.readPressure() / 100.0F;
+
+    return true;
+}    

src/modules/Telemetry/Sensor/BMP280Sensor.h

@@ -0,0 +1,16 @@
+#include "../mesh/generated/telemetry.pb.h"
+#include "TelemetrySensor.h"
+#include <Adafruit_BMP280.h>
+
+class BMP280Sensor : virtual public TelemetrySensor {
+private:
+    Adafruit_BMP280 bmp280;
+
+protected:
+    virtual void setup() override;
+
+public:
+    BMP280Sensor();
+    virtual int32_t runOnce() override;
+    virtual bool getMetrics(Telemetry *measurement) override;
+};