--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Discovery/Inc/t4_tetris.h	Sat Apr 28 11:52:34 2018 +0200
@@ -0,0 +1,40 @@
+///////////////////////////////////////////////////////////////////////////////
+/// -*- coding: UTF-8 -*-
+///
+/// \file   Discovery/Inc/t4_tetris.h
+/// \brief  Header file for dive mode special screen t4_tetris
+/// \author heinrichs weikamp gmbh
+/// \date   17-Feb-2016
+///
+/// $Id$
+///////////////////////////////////////////////////////////////////////////////
+/// \par Copyright (c) 2014-2018 Heinrichs Weikamp gmbh
+///
+///     This program is free software: you can redistribute it and/or modify
+///     it under the terms of the GNU General Public License as published by
+///     the Free Software Foundation, either version 3 of the License, or
+///     (at your option) any later version.
+///
+///     This program is distributed in the hope that it will be useful,
+///     but WITHOUT ANY WARRANTY; without even the implied warranty of
+///     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+///     GNU General Public License for more details.
+///
+///     You should have received a copy of the GNU General Public License
+///     along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//////////////////////////////////////////////////////////////////////////////
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef T4_TETRIS_H
+#define T4_TETRIS_H
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f4xx_hal.h"
+#include "gfx_engine.h"
+
+/* Exported functions --------------------------------------------------------*/
+void t4_init(void);
+void t4_refresh(void);
+void t4_change_customview(void);
+
+#endif /* T4_TETRIS_H */