annotate Discovery/Src/timer.c @ 251:90cbeee0e1d4

Merged in janlmulder/ostc4/bm-2 (pull request #17) Buelmann: new implementation for ceiling
author heinrichsweikamp <bitbucket@heinrichsweikamp.com>
date Fri, 12 Apr 2019 07:22:14 +0000
parents f11f0bf6ef2d
children 90e65971f15d
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1 ///////////////////////////////////////////////////////////////////////////////
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2 /// -*- coding: UTF-8 -*-
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3 ///
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4 /// \file Discovery/Src/timer.c
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5 /// \brief Contains timer related functionality like stopwatch and security stop
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6 /// \author Peter Ryser & heinrichs weikamp gmbh
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7 /// \date 5. Feb.2015 (maybe)
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8 ///
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9 /// \details
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10 ///
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11 /// $Id$
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12 ///////////////////////////////////////////////////////////////////////////////
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13 /// \par Copyright (c) 2014-2018 Heinrichs Weikamp gmbh
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14 ///
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15 /// This program is free software: you can redistribute it and/or modify
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16 /// it under the terms of the GNU General Public License as published by
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17 /// the Free Software Foundation, either version 3 of the License, or
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18 /// (at your option) any later version.
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19 ///
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20 /// This program is distributed in the hope that it will be useful,
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21 /// but WITHOUT ANY WARRANTY; without even the implied warranty of
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22 /// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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23 /// GNU General Public License for more details.
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24 ///
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25 /// You should have received a copy of the GNU General Public License
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26 /// along with this program. If not, see <http://www.gnu.org/licenses/>.
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27 //////////////////////////////////////////////////////////////////////////////
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28
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29 #include "data_central.h"
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30
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31 static long stopWatchTime_Second = 0;
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32 static _Bool bStopWatch = false;
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33 static float stopWatchAverageDepth_Meter = 0.0f;
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34 static long safetyStopCountDown_Second = 0;
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35
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36 void timer_init(void)
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37 {
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38 stopWatchTime_Second = 0;
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39 stopWatchAverageDepth_Meter = 0.0f;
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40 bStopWatch = true;
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41 safetyStopCountDown_Second = 0;
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42
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43 }
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44
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45 void timer_UpdateSecond(_Bool checkOncePerSecond)
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46 {
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47 static int last_second = -1;
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48 static _Bool bSafetyStop = false;
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49 static float last_depth_meter = 0;
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51 if(checkOncePerSecond)
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52 {
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53 int now = current_second();
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54 if( last_second == now)
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55 return;
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56 last_second = now;
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57 }
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58
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59 /** Stopwatch **/
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60 if(bStopWatch && stateUsed->lifeData.depth_meter > 1)
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61 {
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62 if((stopWatchTime_Second == 0) && (stateUsed->lifeData.dive_time_seconds >= 1))
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63 {
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64 stopWatchTime_Second = stateUsed->lifeData.dive_time_seconds - 1;
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65 stopWatchAverageDepth_Meter = stateUsed->lifeData.average_depth_meter * (stopWatchTime_Second - 1) / stopWatchTime_Second;
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66 }
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67 else
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68 {
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69 stopWatchAverageDepth_Meter = (stopWatchAverageDepth_Meter * stopWatchTime_Second + stateUsed->lifeData.depth_meter)/ (stopWatchTime_Second + 1);
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70 stopWatchTime_Second++;
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71 }
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72 }
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73
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74 /** SafetyStop **/
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75 float depthToStopSafetyStopCount;
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76 if(settingsGetPointer()->safetystopDuration && (stateUsed->lifeData.max_depth_meter > 10.0f) && (stateUsed->lifeData.dive_time_seconds > 60))
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77 {
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78
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79 //No deco when 10 meters are crossed from below => Activate SecurityStop
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80 if( last_depth_meter > 10.0f && stateUsed->lifeData.depth_meter <= 10.0f)
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81 {
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82 if(stateUsed->diveSettings.deco_type.ub.standard == GF_MODE)
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83 {
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84 if(stateUsed->decolistBuehlmann.output_ndl_seconds > 0)
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85 bSafetyStop = true;
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86 }
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87 else
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88 {
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89 if(stateUsed->decolistVPM.output_ndl_seconds > 0)
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90 bSafetyStop = true;
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91 }
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92 }
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93
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94 //Countdown starts at 5 meters
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95 if(bSafetyStop && (stateUsed->lifeData.depth_meter - 0.0001f <= (settingsGetPointer()->safetystopDepth) ))
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96 {
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97 if(safetyStopCountDown_Second == 0)
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98 {
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99 safetyStopCountDown_Second = (settingsGetPointer()->safetystopDuration) * 60;
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100 }
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101 else
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102 safetyStopCountDown_Second--;
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103 }
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104
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105 // after safetystopDuration minutes or below 3 (2) meter safetyStop is disabled
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106 if(settingsGetPointer()->safetystopDepth == 3)
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107 depthToStopSafetyStopCount = 1.999f; // instead of 2
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108 else
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109 depthToStopSafetyStopCount = 2.999f;// instead of 3
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110
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111 if((safetyStopCountDown_Second == 1) || (stateUsed->lifeData.depth_meter <= depthToStopSafetyStopCount))
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112 {
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113 bSafetyStop = false;
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114 safetyStopCountDown_Second = 0;
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115 }
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116 }
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117 else
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118 {
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119 bSafetyStop = false;
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120 safetyStopCountDown_Second = 0;
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121 }
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122 last_depth_meter = stateUsed->lifeData.depth_meter;
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123 }
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124
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125
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126 void timer_Stopwatch_Restart(void)
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127 {
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128 stopWatchTime_Second = 1;
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129 stopWatchAverageDepth_Meter = stateUsed->lifeData.depth_meter;
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130 bStopWatch = true;
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131 }
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132
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133 void timer_Stopwatch_Stop(void)
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134 {
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135 bStopWatch = false;
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136 }
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137
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138 long timer_Stopwatch_GetTime(void)
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139 {
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140 return stopWatchTime_Second;
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141 }
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142
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143 float timer_Stopwatch_GetAvarageDepth_Meter(void)
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144 {
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145 return stopWatchAverageDepth_Meter;
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146 }
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147
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148 long timer_Safetystop_GetCountDown(void)
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149 {
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150 return safetyStopCountDown_Second;
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151 }
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152
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153 uint8_t timer_Safetystop_GetDepthUpperLimit(void)
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154 {
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155 if(settingsGetPointer()->safetystopDepth == 3)
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156 return 2;
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157 else
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158 return 3;
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159 }
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160