Finish documention until someone change something

lib/Menu/menuControl.h

@@ -1,7 +1,7 @@
 /**
  * @file menuControl.h
  * @author Alexander Klein (alex@kleiax.de)
- * @brief 
+ * @brief Contains a abstract class for Menu
  * @version 0.1
  * @date 2022-01-19
  * 
@@ -15,25 +15,59 @@
 #include <iostream>
 #include <LiquidCrystal_I2C.h>
 
+/**
+ * @brief Baseclass to build Menus
+ * 
+ * This class must be inherited by other classes which want to be
+ * act as a menu, because the menu structure uses polymorphism.
+ * 
+ */
 class MenuControl {
     public:
 
-        // Ínputs from the Gamepad
+        /** @name UserInputs
+         * @brief This functions should be called be user actions.
+         * 
+         * This functions have to be implement in every other menu
+         * class.
+         */
+        ///@{
         virtual void down();
         virtual void up();
         virtual void right();
         virtual void left();
         virtual void yes();
         virtual void no();
+        ///@}
 
+        /**
+         * @brief can be called to update shown data
+         */
         virtual void update();
         
         virtual void printMenu();
+
+        /**
+         * @brief Set the Parent Menu
+         * 
+         * If the parentMenu is set it will be called automaticaly
+         * when the user left the child menu. 
+         * 
+         * @param menu 
+         */
         void setParentMenu(MenuControl* menu) { this->parentMenu = menu; }
+
+        /**
+         * @brief Set the Lcd object
+         * 
+         * If this is set the menu will be print on the display too.
+         * 
+         * @param lcd 
+         */
         void setLcd(LiquidCrystal_I2C* lcd) { this->lcd = lcd; }
 
     protected:
         MenuControl* parentMenu = nullptr;
         LiquidCrystal_I2C* lcd = nullptr;
 };
-#endif // MENU_CONTROLL_H
+#endif // MENU_CONTROLL_H