Mercurial > public > ostc4
annotate Discovery/Src/timer.c @ 913:5f38cf765193 Evo_2_23 tip
Adapted limit for better gas warning:
The Better gas warning was shown more or less when the diver already passed the change depth. In the new version the better gas option is provided when the diver reachs the major digit depth (e.g. 22.9m instead 20.0m). This change does not effect the gas change depth used for deco calculation.
| author | Ideenmodellierer |
|---|---|
| date | Tue, 15 Oct 2024 21:10:45 +0200 |
| parents | 9660df857c57 |
| children |
| rev | line source |
|---|---|
| 38 | 1 /////////////////////////////////////////////////////////////////////////////// |
| 2 /// -*- coding: UTF-8 -*- | |
| 3 /// | |
| 4 /// \file Discovery/Src/timer.c | |
| 5 /// \brief Contains timer related functionality like stopwatch and security stop | |
|
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6 /// \author heinrichs weikamp gmbh |
| 38 | 7 /// \date 5. Feb.2015 (maybe) |
| 8 /// | |
| 9 /// \details | |
| 10 /// | |
| 11 /// $Id$ | |
| 12 /////////////////////////////////////////////////////////////////////////////// | |
| 13 /// \par Copyright (c) 2014-2018 Heinrichs Weikamp gmbh | |
| 14 /// | |
| 15 /// This program is free software: you can redistribute it and/or modify | |
| 16 /// it under the terms of the GNU General Public License as published by | |
| 17 /// the Free Software Foundation, either version 3 of the License, or | |
| 18 /// (at your option) any later version. | |
| 19 /// | |
| 20 /// This program is distributed in the hope that it will be useful, | |
| 21 /// but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 22 /// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 23 /// GNU General Public License for more details. | |
| 24 /// | |
| 25 /// You should have received a copy of the GNU General Public License | |
| 26 /// along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 27 ////////////////////////////////////////////////////////////////////////////// | |
| 28 | |
| 29 #include "data_central.h" | |
| 30 | |
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31 static _Bool bStopWatch = false; |
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32 static float stopWatchAverageDepth_Meter = 0.0f; |
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33 static long safetyStopCountDown_Second = 0; |
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34 static long stopWatchOffset = 0; |
| 38 | 35 |
| 36 void timer_init(void) | |
| 37 { | |
| 38 stopWatchAverageDepth_Meter = 0.0f; | |
| 39 bStopWatch = true; | |
| 40 safetyStopCountDown_Second = 0; | |
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41 stopWatchOffset = 0; |
| 38 | 42 } |
| 43 | |
| 44 void timer_UpdateSecond(_Bool checkOncePerSecond) | |
| 45 { | |
| 46 static int last_second = -1; | |
| 47 static _Bool bSafetyStop = false; | |
| 48 static float last_depth_meter = 0; | |
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49 static uint8_t safetyStopResetCnt = 0; |
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50 static uint16_t safetyStopRestartCnt = 0; |
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51 long stopWatchTime_Second = 0; |
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52 |
| 38 | 53 if(checkOncePerSecond) |
| 54 { | |
| 55 int now = current_second(); | |
| 56 if( last_second == now) | |
| 57 return; | |
| 58 last_second = now; | |
| 59 } | |
| 60 | |
| 61 /** Stopwatch **/ | |
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62 stopWatchTime_Second = stateUsed->lifeData.dive_time_seconds_without_surface_time - stopWatchOffset; |
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63 if(bStopWatch && !is_ambient_pressure_close_to_surface(&stateUsedWrite->lifeData)) |
| 38 | 64 { |
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65 if(stopWatchTime_Second == 0) |
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66 stopWatchAverageDepth_Meter = stateUsed->lifeData.depth_meter; |
| 38 | 67 else |
| 68 stopWatchAverageDepth_Meter = (stopWatchAverageDepth_Meter * stopWatchTime_Second + stateUsed->lifeData.depth_meter)/ (stopWatchTime_Second + 1); | |
| 69 } | |
| 70 | |
| 71 /** SafetyStop **/ | |
| 72 float depthToStopSafetyStopCount; | |
| 73 if(settingsGetPointer()->safetystopDuration && (stateUsed->lifeData.max_depth_meter > 10.0f) && (stateUsed->lifeData.dive_time_seconds > 60)) | |
| 74 { | |
| 75 | |
| 76 //No deco when 10 meters are crossed from below => Activate SecurityStop | |
| 77 if( last_depth_meter > 10.0f && stateUsed->lifeData.depth_meter <= 10.0f) | |
| 78 { | |
| 79 if(stateUsed->diveSettings.deco_type.ub.standard == GF_MODE) | |
| 80 { | |
| 81 if(stateUsed->decolistBuehlmann.output_ndl_seconds > 0) | |
| 82 bSafetyStop = true; | |
| 83 } | |
| 84 else | |
| 85 { | |
| 86 if(stateUsed->decolistVPM.output_ndl_seconds > 0) | |
| 87 bSafetyStop = true; | |
| 88 } | |
| 89 } | |
| 90 | |
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91 /* Has the diver left safety stop depth (descend)? => need to restart safety stop timer? */ |
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92 if(safetyStopCountDown_Second != 0) |
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93 { |
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94 if(stateUsed->lifeData.depth_meter >= (settingsGetPointer()->safetystopDepth + 2.0)) |
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95 { |
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96 safetyStopRestartCnt = safetyStopCountDown_Second; |
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97 safetyStopCountDown_Second = 0; |
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98 safetyStopResetCnt = 60; /* restart safety stop from scratch if depth is left for more than one minute */ |
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99 } |
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100 } |
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101 else if(safetyStopResetCnt) |
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102 { |
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103 safetyStopResetCnt--; |
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104 if(safetyStopResetCnt == 0) |
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105 { |
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106 safetyStopRestartCnt = 0; |
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107 } |
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108 } |
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109 |
| 38 | 110 //Countdown starts at 5 meters |
| 111 if(bSafetyStop && (stateUsed->lifeData.depth_meter - 0.0001f <= (settingsGetPointer()->safetystopDepth) )) | |
| 112 { | |
| 113 if(safetyStopCountDown_Second == 0) | |
| 114 { | |
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115 if(safetyStopRestartCnt) /* just a short interrupt of the safetystop => continue using old count */ |
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116 { |
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117 safetyStopCountDown_Second = safetyStopRestartCnt; |
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118 safetyStopRestartCnt = 0; |
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119 } |
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120 else /* setup safety stop duration */ |
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121 { |
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122 safetyStopCountDown_Second = (settingsGetPointer()->safetystopDuration) * 60; |
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123 } |
| 38 | 124 } |
| 125 else | |
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126 { |
| 38 | 127 safetyStopCountDown_Second--; |
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128 } |
| 38 | 129 } |
| 130 | |
| 131 // after safetystopDuration minutes or below 3 (2) meter safetyStop is disabled | |
| 132 if(settingsGetPointer()->safetystopDepth == 3) | |
| 133 depthToStopSafetyStopCount = 1.999f; // instead of 2 | |
| 134 else | |
| 135 depthToStopSafetyStopCount = 2.999f;// instead of 3 | |
| 136 | |
| 137 if((safetyStopCountDown_Second == 1) || (stateUsed->lifeData.depth_meter <= depthToStopSafetyStopCount)) | |
| 138 { | |
| 139 bSafetyStop = false; | |
| 140 safetyStopCountDown_Second = 0; | |
| 141 } | |
| 142 } | |
| 143 else | |
| 144 { | |
| 145 bSafetyStop = false; | |
| 146 safetyStopCountDown_Second = 0; | |
| 147 } | |
| 148 last_depth_meter = stateUsed->lifeData.depth_meter; | |
| 149 } | |
| 150 | |
| 151 | |
| 152 void timer_Stopwatch_Restart(void) | |
| 153 { | |
| 154 stopWatchAverageDepth_Meter = stateUsed->lifeData.depth_meter; | |
| 155 bStopWatch = true; | |
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156 stopWatchOffset = stateUsed->lifeData.dive_time_seconds_without_surface_time; |
| 38 | 157 } |
| 158 | |
| 159 void timer_Stopwatch_Stop(void) | |
| 160 { | |
| 161 bStopWatch = false; | |
| 162 } | |
| 163 | |
| 164 long timer_Stopwatch_GetTime(void) | |
| 165 { | |
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166 return stateUsed->lifeData.dive_time_seconds_without_surface_time - stopWatchOffset; |
| 38 | 167 } |
| 168 | |
| 169 float timer_Stopwatch_GetAvarageDepth_Meter(void) | |
| 170 { | |
| 171 return stopWatchAverageDepth_Meter; | |
| 172 } | |
| 173 | |
| 174 long timer_Safetystop_GetCountDown(void) | |
| 175 { | |
| 176 return safetyStopCountDown_Second; | |
| 177 } | |
| 178 | |
| 179 uint8_t timer_Safetystop_GetDepthUpperLimit(void) | |
| 180 { | |
| 181 if(settingsGetPointer()->safetystopDepth == 3) | |
| 182 return 2; | |
| 183 else | |
| 184 return 3; | |
| 185 } | |
| 186 |