Added documentation

Subsystems/GameController.h

@@ -3,14 +3,53 @@
 
 #include "WPILib.h"
 
+/**
+ * @brief An xbox or ps3 controller
+ */
 class GameController{
   private:
-    Joystick *stick;
+    Joystick *stick;        //<! The controller
-    std::string type;
+    std::string type;       //<! The type of controller. Can be "xbox" or "ps3"
-    JoystickButton *a, *b, *x, *y, *lb, *rb, *tlb, *trb, *start, *back, *lPress, *rPress, *dUp, *dDown, *dLeft, *dRight;
+    JoystickButton *a,      //<! A key for xbox, x for ps3
+                   *b,      //<! B key for xbox, circle for ps3
+                   *x,      //<! X key for xbox, square for ps3
+                   *y,      //<! Y key for xbox, triangle for ps3
+                   *lb,     //<! Left button 
+                   *rb,     //<! Right button 
+                   *tlb,    //<! Top left Button (ps3 only)  
+                   *trb,    //<! Top right button (ps3 only)  
+                   *start,  //<! Start button    
+                   *back,   //<! Back button   
+                   *lPress, //<! Press down on left stick     
+                   *rPress, //<! Press down on right stick     
+                   *dUp,    //<! D-Pad up  
+                   *dDown,  //<! D-Pad down    
+                   *dLeft,  //<! D-Pad left    
+                   *dRight; //<! D-Pad right     
   public:
+    /**
+     * @brief Constructs GameController
+     *
+     * @param port The port of the controller
+     * @param controllerType The type of controller. Can be "xbox" or "ps3"
+     */
     GameController(int port, std::string controllerType);
+    /**
+     * @brief Gets the value of a button
+     *
+     * @param button The button to get
+     *
+     * @return True only if the button is pressed
+     */
     bool GetButton(std::string button);
+    /**
+     * @brief Gets an axis value
+     *
+     * @param position Side of the controller. Can be "left" or "right"
+     * @param axis The axis to get. Can be "x", "y", or "throttle" for xbox or "x" and "y" for ps3
+     *
+     * @return The axis value from (-1.0 to 1.0)
+     */
     double GetAxis(std::string position, std::string axis);
 };
 #endif