--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Discovery/Inc/timer.h	Sat Apr 28 11:52:34 2018 +0200
@@ -0,0 +1,40 @@
+///////////////////////////////////////////////////////////////////////////////
+/// -*- coding: UTF-8 -*-
+///
+/// \file   Discovery/Inc/timer.h
+/// \brief  Contains timer related functionality like stopwatch and security stop
+/// \author Peter Ryser
+/// \date
+///
+/// $Id$
+///////////////////////////////////////////////////////////////////////////////
+/// \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 TIMER_H
+#define TIMER_H
+
+void timer_init(void);
+void timer_UpdateSecond(_Bool checkOncePerSecond);
+void timer_Stopwatch_Restart(void);
+void timer_Stopwatch_Stop(void);
+long timer_Stopwatch_GetTime(void);
+float timer_Stopwatch_GetAvarageDepth_Meter(void);
+long timer_Safetystop_GetCountDown(void);
+uint8_t timer_Safetystop_GetDepthUpperLimit(void);
+
+#endif // TIMER_H