Create sensor classes that can be shared across variants

src/helpers/sensors/EnvironmentSensorManager.h

@@ -0,0 +1,30 @@
+#pragma once
+
+#include <helpers/SensorManager.h>
+#include "INA3221Sensor.h"
+#include "INA219Sensor.h"
+#include "AHTX0Sensor.h"
+
+#define NUM_SENSOR_SETTINGS 3
+#define TELEM_INA3221_SETTING_CH1 "INA3221-1"
+#define TELEM_INA3221_SETTING_CH2 "INA3221-2"
+#define TELEM_INA3221_SETTING_CH3 "INA3221-3"
+
+class EnvironmentSensorManager : public SensorManager {
+// INA3221 channels in telemetry
+const char * INA3221_CHANNEL_NAMES[NUM_SENSOR_SETTINGS] = { TELEM_INA3221_SETTING_CH1, TELEM_INA3221_SETTING_CH2, TELEM_INA3221_SETTING_CH3};
+
+protected:
+  int next_available_channel = TELEM_CHANNEL_SELF + 1;
+  INA3221Sensor INA3221_sensor;
+  AHTX0Sensor AHTX0_sensor;
+  INA219Sensor INA219_sensor;
+public:
+  EnvironmentSensorManager(){};
+  bool begin() override;
+  bool querySensors(uint8_t requester_permissions, CayenneLPP& telemetry) override;
+  int getNumSettings() const override;
+  const char* getSettingName(int i) const override;
+  const char* getSettingValue(int i) const override;
+  bool setSettingValue(const char* name, const char* value) override;
+};