1 files changed, 13 insertions, 12 deletions
diff --git a/peripheral/sensors/edison_arduino/SensorDescriptionFactory.hpp b/peripheral/sensors/edison_arduino/SensorDescriptionFactory.hpp
index 3d77c8a..18807e5 100644
--- a/peripheral/sensors/edison_arduino/SensorDescriptionFactory.hpp
+++ b/peripheral/sensors/edison_arduino/SensorDescriptionFactory.hpp
@@ -29,34 +29,35 @@ class SensorDescriptionFactory {
   public:
 
     /**
-     * SensorDescriptionFactory constructor
-    */
-    SensorDescriptionFactory();
+     * Retrieve a sensor description of a certain type
+     * @param type sensor type
+     * @return pointer to a description data structure
+     */
+    static struct sensor_t const * getDescription(Sensor::Type type);
 
     /**
-     * get all available sensor descriptions
+     * Get all available sensor descriptions
      * @return array of sensor description data structures
      */
-    struct sensor_t const * getDescriptions();
+    static struct sensor_t const * getDescriptions();
 
     /**
-     * check if a sensor description has certain flags set
+     * Check if a sensor description has certain flags set
      * @param handle sensor type identifier
      * @param flags flags to check
      * @return true if flags are set, false otherwise
      */
-    bool areFlagsSet(int handle, uint32_t flags);
+    static bool areFlagsSet(int handle, uint32_t flags);
 
   private:
 
     /*
-     * Retrieve a sensor description of a certain type
-     * @param type sensor type
-     * @return pointer to a description data structure
+     * Initialize static members
      */
-    static struct sensor_t const * getDescription(Sensor::Type type);
+    static void init();
 
-    struct sensor_t descriptions[Sensor::Type::kNumTypes];
+    static struct sensor_t descriptions[Sensor::Type::kNumTypes];
+    static bool initialized;
 };
 
 #endif  // SENSOR_DESCRIPTION_FACTORY_HPP