diff --git a/src/W800_SDK_v1.00.10/app/gfx/compass_screen.h b/src/W800_SDK_v1.00.10/app/gfx/compass_screen.h
index a6db404..ef4fcf6 100644
--- a/src/W800_SDK_v1.00.10/app/gfx/compass_screen.h
+++ b/src/W800_SDK_v1.00.10/app/gfx/compass_screen.h
@@ -39,21 +39,51 @@ typedef struct CompassScreen
     CompassLabel_t compassTemperature;
 } CompassScreen_t;
 
-/* Initializes the compass screen context object */
+/**
+ * @brief Initializes the compass screen object structure.
+ * @note This function has to be called first before any others.
+ * 
+ * @param compassScreen a pointer to the compass screen object structure. 
+ */
 void compass_screen_init(CompassScreen_t * const compassScreen);
 
-/* Set the compassAzimuth in degrees to show */
+/**
+ * @brief Sets the azimuth in degrees (relative to the north) to show on the compass UI.
+ * 
+ * @param compassScreen a pointer to the compass screen object structure. 
+ * @param azimuth the azimuth in degrees (0 to 359) relative to north to show. 
+ */
 void compass_screen_set_azimuth(CompassScreen_t * const compassScreen, uint16_t azimuth);
 
-/* Set the compassTemperature in degrees celsius to show */
+/**
+ * @brief Sets the temperature in degrees celsius to show on the compass UI.
+ * 
+ * @param compassScreen a pointer to the compass screen object structure. 
+ * @param temperature the temperature to display on the compass screen in degrees celsius.
+ */
 void compass_screen_set_temperature(CompassScreen_t * const compassScreen, float temperature);
 
+/**
+ * @brief Returns true if the compass screen is currently being used and displayed.
+ * 
+ * @param compassScreen a pointer to the compass screen object structure. 
+ * @return true if the compass screen is being used .
+ * @return false if the compass screen is not being used/currently displayed.
+ */
 bool compass_screen_is_in_use(CompassScreen_t * const compassScreen);
 
-/* Builds the compass screen graphically  */
+/**
+ * @brief Builds the compass screen graphically.
+ * 
+ * @param compassScreen a pointer to the compass screen object structure.
+ */
 void compass_screen_create(CompassScreen_t * const compassScreen);
 
-/* Frees all resources used by the CompassScreen object */
+/**
+ * @brief Frees all resources used by the CompassScreen object, to be called when discarding the compass screen.
+ * 
+ * @param compassScreen a pointer to the compass screen object structure.
+ */
 void compass_screen_destroy(CompassScreen_t * const compassScreen);
 
 #endif // COMPASS_SCREEN_H