Completed documentation of the HID device class driver.

LUFA/Drivers/USB/Class/Device/HID.h

@@ -123,8 +123,28 @@
 		} USB_ClassInfo_HID_t;
 
 	/* Function Prototypes: */
+		/** Configures the endpoints of a given HID interface, ready for use. This should be linked to the library
+		 *  \ref EVENT_USB_ConfigurationChanged() event so that the endpoints are configured when the configuration
+		 *  containing the given HID interface is selected.
+		 *
+		 *  \param HIDInterfaceInfo  Pointer to a structure containing a HID Class configuration and state.
+		 *
+		 *  \return Boolean true if the endpoints were sucessfully configured, false otherwise
+		 */
 		bool USB_HID_ConfigureEndpoints(USB_ClassInfo_HID_t* HIDInterfaceInfo);
+		
+		/** Processes incomming control requests from the host, that are directed to the given HID class interface. This should be
+		 *  linked to the library \ref EVENT_USB_UnhandledControlPacket() event.
+		 *
+		 *  \param HIDInterfaceInfo  Pointer to a structure containing a HID Class configuration and state.
+		 */		
 		void USB_HID_ProcessControlPacket(USB_ClassInfo_HID_t* HIDInterfaceInfo);
+
+		/** General management task for a given HID class interface, required for the correct operation of the interface. This should
+		 *  be called frequently in the main program loop, before the master USB management task \ref USB_USBTask().
+		 *
+		 *  \param HIDInterfaceInfo  Pointer to a structure containing a HID Class configuration and state.
+		 */
 		void USB_HID_USBTask(USB_ClassInfo_HID_t* HIDInterfaceInfo);
 		
 		/** HID class driver callback for the user creation of a HID input report. This callback may fire in response to either