added AHTx0 sensor (#3977)

* added AHTx0 sensor

* AHT10 definition in protobuf

* AHT10 definition in protobuf

* protobufs

* Management of AHT20+BMP280 module

* missing newline in log

* missing newline in log

* reverted

* reverted .gitignore

---------

Co-authored-by: Ben Meadors <benmmeadors@gmail.com>

src/modules/Telemetry/Sensor/AHT10.cpp

@@ -0,0 +1,35 @@
+#include "AHT10.h"
+#include "../mesh/generated/meshtastic/telemetry.pb.h"
+#include "TelemetrySensor.h"
+#include "configuration.h"
+#include <Adafruit_AHTX0.h>
+#include <typeinfo>
+
+AHT10Sensor::AHT10Sensor() : TelemetrySensor(meshtastic_TelemetrySensorType_AHT10, "AHT10") {}
+
+int32_t AHT10Sensor::runOnce()
+{
+    LOG_INFO("Init sensor: %s\n", sensorName);
+    if (!hasSensor()) {
+        return DEFAULT_SENSOR_MINIMUM_WAIT_TIME_BETWEEN_READS;
+    }
+    aht10 = Adafruit_AHTX0();
+    status = aht10.begin(nodeTelemetrySensorsMap[sensorType].second, 0, nodeTelemetrySensorsMap[sensorType].first);
+
+    return initI2CSensor();
+}
+
+void AHT10Sensor::setup() {}
+
+bool AHT10Sensor::getMetrics(meshtastic_Telemetry *measurement)
+{
+    LOG_DEBUG("AHT10Sensor::getMetrics\n");
+
+    sensors_event_t humidity, temp;
+    aht10.getEvent(&humidity, &temp);
+
+    measurement->variant.environment_metrics.temperature = temp.temperature;
+    measurement->variant.environment_metrics.relative_humidity = humidity.relative_humidity;
+
+    return true;
+}

src/modules/Telemetry/Sensor/AHT10.h

@@ -0,0 +1,17 @@
+#include "../mesh/generated/meshtastic/telemetry.pb.h"
+#include "TelemetrySensor.h"
+#include <Adafruit_AHTX0.h>
+
+class AHT10Sensor : public TelemetrySensor
+{
+  private:
+    Adafruit_AHTX0 aht10;
+
+  protected:
+    virtual void setup() override;
+
+  public:
+    AHT10Sensor();
+    virtual int32_t runOnce() override;
+    virtual bool getMetrics(meshtastic_Telemetry *measurement) override;
+};