From a749403057782ab6a70492250ed7c571317b595f Mon Sep 17 00:00:00 2001
From: rusefi <arro239+rusefi@gmail.com>
Date: Mon, 4 Dec 2017 18:30:44 -0500
Subject: [PATCH] docs

---
 firmware/controllers/lcd_controller.cpp | 5 +++++
 firmware/hw_layer/joystick.cpp          | 3 +++
 2 files changed, 8 insertions(+)

diff --git a/firmware/controllers/lcd_controller.cpp b/firmware/controllers/lcd_controller.cpp
index b7a5ac61e5..1a67f6167f 100644
--- a/firmware/controllers/lcd_controller.cpp
+++ b/firmware/controllers/lcd_controller.cpp
@@ -1,6 +1,11 @@
 /**
  * @file lcd_controller.cpp
  *
+ * LCD is a tree-like set of menues controlled by a joystick. At the moment three actions are supported:
+ *  "next item"
+ *  "enter sub-menu"
+ *  "return one level up"
+ *
  * @date Aug 14, 2014
  * @author Andrey Belomutskiy, (c) 2012-2017
  */
diff --git a/firmware/hw_layer/joystick.cpp b/firmware/hw_layer/joystick.cpp
index 8336afad7e..f87fb0159e 100644
--- a/firmware/hw_layer/joystick.cpp
+++ b/firmware/hw_layer/joystick.cpp
@@ -1,6 +1,9 @@
 /**
  * @file	joystick.cpp
  *
+ * See lcd_controller.cpp for more information
+ * See void onJoystick(joystick_button_e button)
+ *
  * @date Jan 2, 2015
  * @author Andrey Belomutskiy, (c) 2012-2017
  */