///////////////////////////////////////////////////////////////////////////////+
−
/// -*- coding: UTF-8 -*-+
−
///+
−
/// \file   Discovery/Src/timer.c+
−
/// \brief  Contains timer related functionality like stopwatch and security stop+
−
/// \author heinrichs weikamp gmbh+
−
/// \date   5. Feb.2015 (maybe)+
−
///+
−
/// \details+
−
///+
−
/// $Id$+
−
///////////////////////////////////////////////////////////////////////////////+
−
/// \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/>.+
−
//////////////////////////////////////////////////////////////////////////////+
−
+
−
#include "data_central.h"+
−
+
−
static _Bool bStopWatch = false;+
−
static float stopWatchAverageDepth_Meter = 0.0f;+
−
static long safetyStopCountDown_Second = 0;+
−
static long stopWatchOffset = 0;+
−
+
−
void timer_init(void)+
−
{+
−
  stopWatchAverageDepth_Meter = 0.0f;+
−
  bStopWatch = true;+
−
  safetyStopCountDown_Second = 0;+
−
  stopWatchOffset = 0;+
−
}+
−
+
−
void timer_UpdateSecond(_Bool checkOncePerSecond)+
−
{+
−
    static int last_second = -1;+
−
    static _Bool bSafetyStop = false;+
−
    static float last_depth_meter = 0;+
−
    static uint8_t safetyStopResetCnt = 0;+
−
    static uint16_t safetyStopRestartCnt = 0;+
−
    long stopWatchTime_Second = 0;+
−
+
−
    if(checkOncePerSecond)+
−
    {+
−
        int now =  current_second();+
−
        if( last_second == now)+
−
            return;+
−
        last_second = now;+
−
    }+
−
+
−
    /** Stopwatch **/+
−
    stopWatchTime_Second = stateUsed->lifeData.dive_time_seconds_without_surface_time - stopWatchOffset;+
−
    if(bStopWatch && !is_ambient_pressure_close_to_surface(&stateUsedWrite->lifeData))+
−
    {+
−
        if(stopWatchTime_Second == 0)+
−
            stopWatchAverageDepth_Meter = stateUsed->lifeData.depth_meter;+
−
        else+
−
            stopWatchAverageDepth_Meter = (stopWatchAverageDepth_Meter * stopWatchTime_Second + stateUsed->lifeData.depth_meter)/ (stopWatchTime_Second + 1);+
−
    }+
−
+
−
    /** SafetyStop **/+
−
    float depthToStopSafetyStopCount;+
−
    if(settingsGetPointer()->safetystopDuration && (stateUsed->lifeData.max_depth_meter > 10.0f) && (stateUsed->lifeData.dive_time_seconds > 60))+
−
    {+
−
+
−
        //No deco when 10 meters are crossed from below => Activate SecurityStop+
−
        if( last_depth_meter > 10.0f && stateUsed->lifeData.depth_meter <= 10.0f)+
−
        {+
−
            if(stateUsed->diveSettings.deco_type.ub.standard == GF_MODE)+
−
            {+
−
                if(stateUsed->decolistBuehlmann.output_ndl_seconds >  0)+
−
                    bSafetyStop = true;+
−
            }+
−
            else+
−
            {+
−
                if(stateUsed->decolistVPM.output_ndl_seconds >  0)+
−
                    bSafetyStop = true;+
−
            }+
−
        }+
−
+
−
        /* Has the diver left safety stop depth (descend)? => need to restart safety stop timer? */+
−
        if(safetyStopCountDown_Second != 0)+
−
        {+
−
        	if(stateUsed->lifeData.depth_meter >= (settingsGetPointer()->safetystopDepth + 2.0))+
−
        	{+
−
        		safetyStopRestartCnt = safetyStopCountDown_Second;+
−
        		safetyStopCountDown_Second = 0;+
−
        		safetyStopResetCnt = 60;			/* restart safety stop from scratch if depth is left for more than one minute */+
−
        	}+
−
        }+
−
        else if(safetyStopResetCnt)+
−
        {+
−
        	safetyStopResetCnt--;+
−
        	if(safetyStopResetCnt == 0)+
−
        	{+
−
        		safetyStopRestartCnt = 0;+
−
        	}+
−
        }+
−
+
−
        //Countdown starts at 5 meters+
−
        if(bSafetyStop && (stateUsed->lifeData.depth_meter - 0.0001f <= (settingsGetPointer()->safetystopDepth) ))+
−
        {+
−
            if(safetyStopCountDown_Second == 0)+
−
            {+
−
            	if(safetyStopRestartCnt)		/* just a short interrupt of the safetystop => continue using old count */+
−
            	{+
−
            		safetyStopCountDown_Second = safetyStopRestartCnt;+
−
            		safetyStopRestartCnt = 0;+
−
            	}+
−
            	else							/* setup safety stop duration */+
−
            	{+
−
            		safetyStopCountDown_Second = (settingsGetPointer()->safetystopDuration) * 60;+
−
            	}+
−
            }+
−
            else+
−
            {+
−
                safetyStopCountDown_Second--;+
−
            }+
−
        }+
−
+
−
        // after safetystopDuration minutes or below 3 (2) meter safetyStop is disabled+
−
        if(settingsGetPointer()->safetystopDepth == 3)+
−
            depthToStopSafetyStopCount = 1.999f; // instead of 2+
−
        else+
−
            depthToStopSafetyStopCount = 2.999f;// instead of 3+
−
+
−
        if((safetyStopCountDown_Second == 1) || (stateUsed->lifeData.depth_meter <= depthToStopSafetyStopCount))+
−
        {+
−
            bSafetyStop = false;+
−
            safetyStopCountDown_Second = 0;+
−
        }+
−
    }+
−
    else+
−
    {+
−
        bSafetyStop = false;+
−
        safetyStopCountDown_Second = 0;+
−
    }+
−
    last_depth_meter = stateUsed->lifeData.depth_meter;+
−
}+
−
+
−
+
−
void timer_Stopwatch_Restart(void)+
−
{+
−
  stopWatchAverageDepth_Meter = stateUsed->lifeData.depth_meter;+
−
  bStopWatch = true;+
−
  stopWatchOffset = stateUsed->lifeData.dive_time_seconds_without_surface_time;+
−
}+
−
+
−
void timer_Stopwatch_Stop(void)+
−
{+
−
   bStopWatch = false;+
−
}+
−
+
−
long timer_Stopwatch_GetTime(void)+
−
{+
−
  return stateUsed->lifeData.dive_time_seconds_without_surface_time - stopWatchOffset;+
−
}+
−
+
−
float timer_Stopwatch_GetAvarageDepth_Meter(void)+
−
{+
−
  return stopWatchAverageDepth_Meter;+
−
}+
−
+
−
long timer_Safetystop_GetCountDown(void)+
−
{+
−
  return safetyStopCountDown_Second;+
−
}+
−
+
−
uint8_t timer_Safetystop_GetDepthUpperLimit(void)+
−
{+
−
    if(settingsGetPointer()->safetystopDepth == 3)+
−
        return 2;+
−
    else+
−
        return 3;+
−
}+
−
+
−