annotate code_part1/OSTC_code_c_part2/p2_deco.c @ 532:f5a06b9e2fef

cleanup debug stuff
author heinrichsweikamp
date Sat, 17 Dec 2011 10:28:29 +0100
parents 31db81de1d4f
children ba1fb2e23f46
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1 // **************************************************************
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2 // p2_deco.c
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3 //
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4 // Created on: 12.05.2009
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5 // Author: chsw
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6 //
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7 // **************************************************************
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8
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9 //////////////////////////////////////////////////////////////////////////////
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10 // OSTC - diving computer code
532
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11 // Copyright (C) 2011 HeinrichsWeikamp GbR
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12 //
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13 // This program is free software: you can redistribute it and/or modify
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14 // it under the terms of the GNU General Public License as published by
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15 // the Free Software Foundation, either version 3 of the License, or
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16 // (at your option) any later version.
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17 //
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18 // This program is distributed in the hope that it will be useful,
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19 // but WITHOUT ANY WARRANTY; without even the implied warranty of
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20 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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21 // GNU General Public License for more details.
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22 //
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23 // You should have received a copy of the GNU General Public License
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24 // along with this program. If not, see <http://www.gnu.org/licenses/>.
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25 //
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26 //////////////////////////////////////////////////////////////////////////////
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27
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28 // *****************************
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29 // ** I N T R O D U C T I O N **
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30 // *****************************
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31 //
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32 // OSTC
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33 //
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34 // code:
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35 // p2_deco_main_c_v101.c
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36 // part2 of the OSTC code
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37 // code with constant O2 partial pressure routines
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38 // under construction !!
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39 //
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40 // summary:
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41 // decompression routines
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42 // for the OSTC experimental project
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43 // written by Christian Weikamp
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44 // last revision __________
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45 // comments added _________
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46 //
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47 // additional files:
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48 // p2_tables_v100.romdata (other files)
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49 // 18f4685_ostc_v100.lkr (linker script)
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50 //
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51 // history:
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52 // 01/03/08 v100: first release candidate
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53 // 03/13/08 v101: start of programming ppO2 code
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54 // 03/13/25 v101a: backup of interrim version with ppO2 calculation
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55 // 03/13/25 v101: open circuit gas change during deco
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56 // 03/13/25 v101: CNS_fraction calculation
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57 // 03/13/26 v101: optimization of tissue calc routines
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58 // 07/xx/08 v102a: debug of bottom time routine
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59 // 09/xx/08 v102d: Gradient Factor Model implemenation
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60 // 10/10/08 v104: renamed to build v103 for v118 stable
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61 // 10/14/08 v104: integration of char_I_depth_last_deco for Gradient Model
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62 // 03/31/09 v107: integration of FONT Incon24
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63 // 05/23/10 v109: 5 gas changes & 1 min timer
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64 // 07/13/10 v110: cns vault added
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65 // 12/25/10 v110: split in three files (deco.c, main.c, definitions.h)
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66 // 2011/01/20: [jDG] Create a common file included in ASM and C code.
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67 // 2011/01/23: [jDG] Added read_custom_function().
203
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68 // 2011/01/24: [jDG] Make ascenttime an short. No more overflow!
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69 // 2011/01/25: [jDG] Fusion deco array for both models.
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70 // 2011/01/25: [jDG] Use CF(54) to reverse deco order.
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652e17b6267a Minor fixes.
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71 // 2011/02/11: [jDG] Reworked gradient-factor implementation.
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72 // 2011/02/13: [jDG] CF55 for additional gas switch delay in decoplan.
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73 // 2011/02/15: [jDG] Fixed inconsistencies introduced by gas switch delays.
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74 // 2011/03/21: [jDG] Added gas consumption (CF56 & CF57) evaluation for OCR mode.
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75 // 2011/04/10: [jDG] Use timer TMR3 to limit loops in calc_hauptroutine_calc_deco().
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76 // 2011/04/15: [jDG] Store low_depth in 32bits (w/o rounding), for a better stability.
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77 // 2011/04/25: [jDG] Added 1mn mode for CNS calculation, to allow it for decoplanning.
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78 // 2011/04/27: [jDG] Fixed char_O_gradient_factor calculation when model uses gradient-factor.
334
4ccdc72ec0e5 BUGFIX minor error in gas-switch algo (spurious surface decostop rarely added).
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79 // 2011/05/02: [jDG] Added "Future TTS" function (CF58).
338
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80 // 2011/05/17: [jDG] Various cleanups.
511
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
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81 // 2011/08/08: [jDG] Computes CNS during deco planning ascent.
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82 // 2011/11/24: [jDG] Slightly faster and better NDL computation.
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83 // 2011/12/17: [mH] Remove of the useless debug stuff
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84 //
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85 // TODO:
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86 // + Allow to abort MD2 calculation (have to restart next time).
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87 //
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88 // Literature:
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89 // Bühlmann, Albert: Tauchmedizin; 4. Auflage [2002];
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90 // Schr"oder, Kai & Reith, Steffen; 2000; S"attigungsvorg"ange beim Tauchen, das Modell ZH-L16, Funktionsweise von Tauchcomputern; http://www.achim-und-kai.de/kai/tausim/saett_faq
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91 // Morrison, Stuart; 2000; DIY DECOMPRESSION; http://www.lizardland.co.uk/DIYDeco.html
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92 // Balthasar, Steffen; Dekompressionstheorie I: Neo Haldane Modelle; http://www.txfreak.de/dekompressionstheorie_1.pdf
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93 // Baker, Erik C.; Clearing Up The Confusion About "Deep Stops"
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94 // Baker, Erik C.; Understanding M-values; http://www.txfreak.de/understanding_m-values.pdf
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95 //
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96 //
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97
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98 // *********************
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99 // ** I N C L U D E S **
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100 // *********************
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101 #include <math.h>
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102
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103 // ***********************************************
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104 // ** V A R I A B L E S D E F I N I T I O N S **
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105 // ***********************************************
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106
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107 #include "p2_definitions.h"
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108 #define TEST_MAIN
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109 #include "../OSTC_code_asm_part1/shared_definitions.h"
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110
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111 // Water vapour partial pressure in the lumb.
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112 #define ppWater 0.0627
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113 #define METER_TO_BAR 0.09985
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114 #define BAR_TO_METER 10.0150 // (1.0/METER_TO_BAR)
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115
491
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116 // Surface security factor
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117 #define SURFACE_DESAT_FACTOR 0.7042
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118
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119 // *************************
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120 // ** P R O T O T Y P E S **
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121 // *************************
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122
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123 static void calc_hauptroutine(void);
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124 static void calc_nullzeit(void);
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125
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126 static void calc_tissue(PARAMETER unsigned char period);
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127 static void calc_limit(void);
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128
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129 static void clear_tissue(void);
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130 static void calc_ascenttime(void);
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131 static void update_startvalues(void);
169
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132 static void clear_deco_table(void);
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133 static unsigned char update_deco_table(void);
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134
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135 static void sim_tissue(PARAMETER unsigned char period);
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136 static void sim_limit(PARAMETER float GF_current);
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137 static void sim_extra_time(void);
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138 static void calc_dive_interval(void);
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139
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140 static void calc_gradient_factor(void);
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141 static void calc_wo_deco_step_1_min(void);
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142
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143 static void calc_hauptroutine_data_input(void);
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144 static void calc_hauptroutine_update_tissues(void);
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145 static void calc_hauptroutine_calc_deco(void);
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146 static void sim_ascent_to_first_stop(void);
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147
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148 static unsigned char gas_switch_deepest(void);
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149 static void gas_switch_set(void);
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150
241
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151 static unsigned char calc_nextdecodepth(void);
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152
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153 //---- Bank 4 parameters -----------------------------------------------------
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154 #pragma udata bank4=0x400
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155
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156 static float temp_limit;
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157 static float GF_low;
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158 static float GF_high;
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159 static float GF_delta;
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160 static float low_depth; // Depth of deepest stop
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161 static float locked_GF_step; // GF_delta / low_depth
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162
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163 static unsigned char temp_depth_limit;
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164
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165 // Simulation context: used to predict ascent.
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166 static unsigned char sim_lead_tissue_no; // Leading compatiment number.
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167 static float sim_lead_tissue_limit; // Buhlmann tolerated pressure.
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168
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169 // Real context: what we are doing now.
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170 static float calc_lead_tissue_limit; //
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171
338
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172 static unsigned char internal_deco_time[NUM_STOPS];
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173 static unsigned char internal_deco_depth[NUM_STOPS];
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174
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175 static float cns_vault;
339
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176 static float pres_tissue_N2_vault[NUM_COMP];
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177 static float pres_tissue_He_vault[NUM_COMP];
116
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178
163
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179 //---- Bank 5 parameters -----------------------------------------------------
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180 #pragma udata bank5=0x500
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181
167
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182 static unsigned char ci;
116
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183 static float pres_respiration;
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184 static float pres_surface;
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185 static float temp_deco;
236
3dbeacf42e9e BUGFIX missing deko init in reboot code.
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186 static float ppN2;
200
0a3ca358c684 BUGFIX clear decotable at begin of simulator mode.
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187 static float ppHe;
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188 static float temp_tissue;
200
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189 static float N2_ratio; // Breathed gas nitrogen ratio.
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190 static float He_ratio; // Breathed gas helium ratio.
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191 static float var_N2_a; // Bühlmann a, for current N2 tissue.
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192 static float var_N2_b; // Bühlmann b, for current N2 tissue.
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193 static float var_He_a; // Bühlmann a, for current He tissue.
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194 static float var_He_b; // Bühlmann b, for current He tissue.
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195 static float var_N2_e; // Exposition, for current N2 tissue.
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196 static float var_He_e; // Exposition, for current He tissue.
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197 static float var_N2_ht; // Half-time for current N2 tissue.
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198 static float var_He_ht; // Half-time for current N2 tissue.
116
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199
338
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200 static float pres_diluent; // new in v.101
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201 static float const_ppO2; // new in v.101
116
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202
241
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203 static unsigned char sim_gas_last_depth; // Depth of last used gas, to detected a gas switch.
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204 static unsigned char sim_gas_last_used; // Number of last used gas, to detected a gas switch.
203
2d9af08ed0ac BUGFIX Gas switch
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205 static unsigned short sim_gas_delay; // Time of gas-switch-stop ends [min on dive].
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206 static unsigned short sim_dive_mins; // Simulated dive time.
200
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207 static float calc_N2_ratio; // Simulated (switched) nitrogen ratio.
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208 static float calc_He_ratio; // Simulated (switched) helium ratio.
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209 static float CNS_fraction; // new in v.101
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210 static float float_saturation_multiplier; // new in v.101
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211 static float float_desaturation_multiplier; // new in v.101
338
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212 static float float_deco_distance; // new in v.101
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213 static char flag_in_divemode; // new in v.108
167
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214
338
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215 static unsigned char deco_gas_change[NUM_GAS]; // new in v.109
167
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216
163
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217 //---- Bank 6 parameters -----------------------------------------------------
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218 #pragma udata bank6=0x600
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219
339
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220 float pres_tissue_N2[NUM_COMP];
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221 float pres_tissue_He[NUM_COMP];
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222 float sim_pres_tissue_N2[NUM_COMP]; // 16 floats = 64 bytes.
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223 float sim_pres_tissue_He[NUM_COMP]; // 16 floats = 64 bytes.
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224
163
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225 //---- Bank 7 parameters -----------------------------------------------------
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226 #pragma udata bank7=0x700
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227 // EMPTY ...
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228
163
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229 //---- Bank 8 parameters -----------------------------------------------------
116
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230 #pragma udata bank8=0x800
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231
116
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232 static char md_pi_subst[256];
122
3003a8040b78 FIX again reset C data stack and frame pointer when entering C code.
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233 #define C_STACK md_pi_subst // Overlay C-code data stack here, too.
116
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234
163
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235 //---- Bank 9 parameters -----------------------------------------------------
167
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236 #pragma udata bank9=0x900
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237
163
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238 static char md_state[48]; // DONT MOVE !! // has to be at the beginning of bank 9 for the asm code!!!
116
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239
167
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240 //////////////////////////////////////////////////////////////////////////////
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241 //////////////////////////////////////////////////////////////////////////////
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242 ///////////////////////////// THE LOOKUP TABLES //////////////////////////////
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243 //////////////////////////////////////////////////////////////////////////////
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244 //////////////////////////////////////////////////////////////////////////////
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245 //
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246 // End of PROM code is 17F00, So push tables on PROM top...
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247 //
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248 #pragma romdata buhlmann_tables = 0x017B00 // Needs to be in UPPER bank.
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249 #include "p2_tables.romdata" // new table for deco_main_v.101 (var_N2_a modified)
116
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250
167
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251 // Magic table to compute the MD2 HASH
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252 //
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253 #pragma romdata hash_tables = 0x017E00 // Address fixed by ASM access...
203
2d9af08ed0ac BUGFIX Gas switch
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254 rom const rom unsigned short md_pi[] =
116
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255 {
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256 0x292E, 0x43C9, 0xA2D8, 0x7C01, 0x3D36, 0x54A1, 0xECF0, 0x0613
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257 , 0x62A7, 0x05F3, 0xC0C7, 0x738C, 0x9893, 0x2BD9, 0xBC4C, 0x82CA
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258 , 0x1E9B, 0x573C, 0xFDD4, 0xE016, 0x6742, 0x6F18, 0x8A17, 0xE512
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259 , 0xBE4E, 0xC4D6, 0xDA9E, 0xDE49, 0xA0FB, 0xF58E, 0xBB2F, 0xEE7A
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260 , 0xA968, 0x7991, 0x15B2, 0x073F, 0x94C2, 0x1089, 0x0B22, 0x5F21
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261 , 0x807F, 0x5D9A, 0x5A90, 0x3227, 0x353E, 0xCCE7, 0xBFF7, 0x9703
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262 , 0xFF19, 0x30B3, 0x48A5, 0xB5D1, 0xD75E, 0x922A, 0xAC56, 0xAAC6
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263 , 0x4FB8, 0x38D2, 0x96A4, 0x7DB6, 0x76FC, 0x6BE2, 0x9C74, 0x04F1
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264 , 0x459D, 0x7059, 0x6471, 0x8720, 0x865B, 0xCF65, 0xE62D, 0xA802
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265 , 0x1B60, 0x25AD, 0xAEB0, 0xB9F6, 0x1C46, 0x6169, 0x3440, 0x7E0F
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266 , 0x5547, 0xA323, 0xDD51, 0xAF3A, 0xC35C, 0xF9CE, 0xBAC5, 0xEA26
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267 , 0x2C53, 0x0D6E, 0x8528, 0x8409, 0xD3DF, 0xCDF4, 0x4181, 0x4D52
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268 , 0x6ADC, 0x37C8, 0x6CC1, 0xABFA, 0x24E1, 0x7B08, 0x0CBD, 0xB14A
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269 , 0x7888, 0x958B, 0xE363, 0xE86D, 0xE9CB, 0xD5FE, 0x3B00, 0x1D39
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270 , 0xF2EF, 0xB70E, 0x6658, 0xD0E4, 0xA677, 0x72F8, 0xEB75, 0x4B0A
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271 , 0x3144, 0x50B4, 0x8FED, 0x1F1A, 0xDB99, 0x8D33, 0x9F11, 0x8314
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272 };
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273
167
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274 //////////////////////////////////////////////////////////////////////////////
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275 //////////////////////////////////////////////////////////////////////////////
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276 ////////////////////////////// THE SUBROUTINES ///////////////////////////////
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277 //////////////////////////////////////////////////////////////////////////////
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278 //////////////////////////////////////////////////////////////////////////////
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279 //
116
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280 // all new in v.102
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281 // moved from 0x0D000 to 0x0C000 in v.108
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282
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283 #pragma code p2_deco = 0x0C000
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284
167
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285 //////////////////////////////////////////////////////////////////////////////
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286 //////////////////////////////////////////////////////////////////////////////
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287 /////////////////////// U T I L I T I E S /////////////////////////////////
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288 //////////////////////////////////////////////////////////////////////////////
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289 //////////////////////////////////////////////////////////////////////////////
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290
235
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291 //////////////////////////////////////////////////////////////////////////////
257
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292 // Bump to blue-screen when an assert is wrong
235
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293 #ifdef __DEBUG
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294 void assert_failed(PARAMETER short int line)
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295 {
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296 extern void PLED_resetdebugger(void);
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297 extern unsigned short temp10;
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298
257
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299 temp10 = line; // Show source line number as stack depth.
235
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300 PLED_resetdebugger();
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301 }
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302 #endif
257
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303
235
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304 //////////////////////////////////////////////////////////////////////////////
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305 // When calling C code from ASM context, the data stack pointer and
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306 // frames should be reset. Bank8 is used by stack, when not doing hashing.
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307
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308 #ifdef CROSS_COMPILE
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309 # define RESET_C_STACK
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310 #else
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311 # ifdef __DEBUG
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312 # define RESET_C_STACK fillDataStack();
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313 void fillDataStack(void)
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314 {
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315 _asm
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316 LFSR 1,C_STACK
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317 MOVLW 0xCC
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318 loop: MOVWF POSTINC1,0
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319 TSTFSZ FSR1L,0
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320 BRA loop
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321
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322 LFSR 1,C_STACK
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323 LFSR 2,C_STACK
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324 _endasm
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325 }
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326 # else
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327 # define RESET_C_STACK \
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328 _asm \
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329 LFSR 1, C_STACK \
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330 LFSR 2, C_STACK \
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331 _endasm
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332 # endif
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333 #endif
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334
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335 //////////////////////////////////////////////////////////////////////////////
257
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336 // Read CF values from the C code.
235
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337
488
7c48692dd17c BUGFIX Missed surface pressure for CNS in decoplan.
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338 #ifdef CROSS_COMPILE
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339 // Full description of the OSTC EEPROM map, including CF values.
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340 # include "OSTC_eeprom.h"
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341 #endif
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diff changeset
342
203
2d9af08ed0ac BUGFIX Gas switch
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diff changeset
343 static short read_custom_function(PARAMETER unsigned char cf)
167
cb055a7d75f3 + Use overlay local vars.
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344 {
184
016c45a0caaf Enable to compile p2_deco.c on other platforms.
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diff changeset
345 #ifdef CROSS_COMPILE
488
7c48692dd17c BUGFIX Missed surface pressure for CNS in decoplan.
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diff changeset
346 return (cf & 32) ? eeprom.bank1_CF[cf-32].value
7c48692dd17c BUGFIX Missed surface pressure for CNS in decoplan.
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diff changeset
347 : eeprom.bank0_CF[cf ].value;
184
016c45a0caaf Enable to compile p2_deco.c on other platforms.
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diff changeset
348 #else
167
cb055a7d75f3 + Use overlay local vars.
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diff changeset
349 extern unsigned char hi, lo;
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350 extern void getcustom15();
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351 _asm
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352 movff cf,WREG
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353 call getcustom15,0
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354 movff lo,PRODL
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355 movff hi,PRODH
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356 _endasm
184
016c45a0caaf Enable to compile p2_deco.c on other platforms.
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diff changeset
357 #endif
167
cb055a7d75f3 + Use overlay local vars.
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358 }
cb055a7d75f3 + Use overlay local vars.
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359
cb055a7d75f3 + Use overlay local vars.
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diff changeset
360 //////////////////////////////////////////////////////////////////////////////
257
f8f869bafd92 Use timer TMR3 to limit loops in calc_hauptroutine_calc_deco()
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361 // Fast subroutine to read RTC timer 3.
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362 // Note: result is in 1/32 of msecs.
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363 static unsigned short tmr3(void)
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364 {
261
9d4ab7c96885 Fix first stop rounding in GF model.
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365 #ifndef CROSS_COMPILE
257
f8f869bafd92 Use timer TMR3 to limit loops in calc_hauptroutine_calc_deco()
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366 _asm
f8f869bafd92 Use timer TMR3 to limit loops in calc_hauptroutine_calc_deco()
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367 movff 0xfb2,PRODL // TMR3L
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368 movff 0xfb3,PRODH // TMR3H
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369 _endasm // result in PRODH:PRODL.
261
9d4ab7c96885 Fix first stop rounding in GF model.
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370 #else
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diff changeset
371 return 0;
9d4ab7c96885 Fix first stop rounding in GF model.
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372 #endif
257
f8f869bafd92 Use timer TMR3 to limit loops in calc_hauptroutine_calc_deco()
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373 }
f8f869bafd92 Use timer TMR3 to limit loops in calc_hauptroutine_calc_deco()
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374
f8f869bafd92 Use timer TMR3 to limit loops in calc_hauptroutine_calc_deco()
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375 //////////////////////////////////////////////////////////////////////////////
258
abbf9a2c2c48 Small p2_deco optimizations:
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376 // read buhlmann tables A and B for compatriment ci
abbf9a2c2c48 Small p2_deco optimizations:
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377 //
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378 static void read_buhlmann_coefficients(void)
165
8b5b848db4cd + Clean Buhlmann tables addressing
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379 {
184
016c45a0caaf Enable to compile p2_deco.c on other platforms.
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diff changeset
380 #ifndef CROSS_COMPILE
167
cb055a7d75f3 + Use overlay local vars.
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381 // Note: we don't use far rom pointer, because the
338
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
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382 // 24 bits is too complex, hence we have to set
167
cb055a7d75f3 + Use overlay local vars.
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383 // the UPPER page ourself...
cb055a7d75f3 + Use overlay local vars.
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384 // --> Set zero if tables are moved to lower pages !
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385 _asm
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386 movlw 1
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387 movwf TBLPTRU,0
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388 _endasm
184
016c45a0caaf Enable to compile p2_deco.c on other platforms.
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389 #endif
258
abbf9a2c2c48 Small p2_deco optimizations:
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390
338
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
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391 assert( 0 <= ci && ci < NUM_COMP );
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
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392
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
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393 // Use an interleaved array (AoS) to access coefficients with a
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
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394 // single addressing.
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
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395 {
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
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396 overlay rom const float* ptr = &buhlmann_ab[4*ci];
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
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397 var_N2_a = *ptr++;
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
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398 var_N2_b = *ptr++;
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
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399 var_He_a = *ptr++;
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
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400 var_He_b = *ptr++;
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
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diff changeset
401 }
258
abbf9a2c2c48 Small p2_deco optimizations:
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diff changeset
402 }
abbf9a2c2c48 Small p2_deco optimizations:
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403
abbf9a2c2c48 Small p2_deco optimizations:
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404 //////////////////////////////////////////////////////////////////////////////
abbf9a2c2c48 Small p2_deco optimizations:
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405 // read buhlmann tables for compatriment ci
abbf9a2c2c48 Small p2_deco optimizations:
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406 // If period == 0 : 2sec interval
abbf9a2c2c48 Small p2_deco optimizations:
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407 // 1 : 1 min interval
abbf9a2c2c48 Small p2_deco optimizations:
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408 // 2 : 10 min interval.
abbf9a2c2c48 Small p2_deco optimizations:
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409 static void read_buhlmann_times(PARAMETER char period)
abbf9a2c2c48 Small p2_deco optimizations:
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410 {
abbf9a2c2c48 Small p2_deco optimizations:
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diff changeset
411 #ifndef CROSS_COMPILE
abbf9a2c2c48 Small p2_deco optimizations:
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diff changeset
412 // Note: we don't use far rom pointer, because the
abbf9a2c2c48 Small p2_deco optimizations:
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diff changeset
413 // 24 bits is to complex, hence we have to set
abbf9a2c2c48 Small p2_deco optimizations:
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414 // the UPPER page ourself...
abbf9a2c2c48 Small p2_deco optimizations:
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415 // --> Set zero if tables are moved to lower pages !
abbf9a2c2c48 Small p2_deco optimizations:
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416 _asm
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417 movlw 1
abbf9a2c2c48 Small p2_deco optimizations:
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418 movwf TBLPTRU,0
abbf9a2c2c48 Small p2_deco optimizations:
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419 _endasm
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420 #endif
338
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
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diff changeset
421
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
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422 assert( 0 <= ci && ci < NUM_COMP );
258
abbf9a2c2c48 Small p2_deco optimizations:
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diff changeset
423
165
8b5b848db4cd + Clean Buhlmann tables addressing
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diff changeset
424 // Integration intervals.
167
cb055a7d75f3 + Use overlay local vars.
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425 switch(period)
165
8b5b848db4cd + Clean Buhlmann tables addressing
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diff changeset
426 {
8b5b848db4cd + Clean Buhlmann tables addressing
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diff changeset
427 case 0: //---- 2 sec -----------------------------------------------------
338
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
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diff changeset
428 {
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
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diff changeset
429 overlay rom const float* ptr = &e2secs[2*ci];
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
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430 var_N2_e = *ptr++;
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
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diff changeset
431 var_He_e = *ptr++;
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
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diff changeset
432 }
165
8b5b848db4cd + Clean Buhlmann tables addressing
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diff changeset
433 break;
8b5b848db4cd + Clean Buhlmann tables addressing
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diff changeset
434
8b5b848db4cd + Clean Buhlmann tables addressing
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diff changeset
435 case 1: //---- 1 min -----------------------------------------------------
338
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
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diff changeset
436 {
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
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diff changeset
437 overlay rom const float* ptr = &e1min[2*ci];
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
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diff changeset
438 var_N2_e = *ptr++;
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
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diff changeset
439 var_He_e = *ptr++;
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
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diff changeset
440 }
165
8b5b848db4cd + Clean Buhlmann tables addressing
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diff changeset
441 break;
8b5b848db4cd + Clean Buhlmann tables addressing
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diff changeset
442
8b5b848db4cd + Clean Buhlmann tables addressing
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diff changeset
443 case 2: //---- 10 min ----------------------------------------------------
338
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
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diff changeset
444 {
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
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diff changeset
445 overlay rom const float* ptr = &e10min[2*ci];
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
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diff changeset
446 var_N2_e = *ptr++;
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
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diff changeset
447 var_He_e = *ptr++;
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
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diff changeset
448 }
165
8b5b848db4cd + Clean Buhlmann tables addressing
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diff changeset
449 break;
197
f15e804ff67f Gas switch delay
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diff changeset
450
f15e804ff67f Gas switch delay
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diff changeset
451 default:
527
31db81de1d4f Minor: should not reset char_I_depth_last_deco.
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diff changeset
452 assert(0); // Never go there...
165
8b5b848db4cd + Clean Buhlmann tables addressing
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diff changeset
453 }
8b5b848db4cd + Clean Buhlmann tables addressing
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diff changeset
454 }
8b5b848db4cd + Clean Buhlmann tables addressing
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parents: 164
diff changeset
455
8b5b848db4cd + Clean Buhlmann tables addressing
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diff changeset
456 //////////////////////////////////////////////////////////////////////////////
509
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
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diff changeset
457 // read buhlmann tables for compatriment ci
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
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diff changeset
458 //
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
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diff changeset
459 static void read_buhlmann_ht(void)
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
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diff changeset
460 {
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
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parents: 491
diff changeset
461
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
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diff changeset
462 #ifndef CROSS_COMPILE
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
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parents: 491
diff changeset
463 // Note: we don't use far rom pointer, because the
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
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parents: 491
diff changeset
464 // 24 bits is to complex, hence we have to set
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
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parents: 491
diff changeset
465 // the UPPER page ourself...
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
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parents: 491
diff changeset
466 // --> Set zero if tables are moved to lower pages !
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
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diff changeset
467 _asm
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
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diff changeset
468 movlw 1
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
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diff changeset
469 movwf TBLPTRU,0
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
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diff changeset
470 _endasm
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
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diff changeset
471 #endif
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
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diff changeset
472
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
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diff changeset
473 assert( 0 <= ci && ci < NUM_COMP );
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
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parents: 491
diff changeset
474 {
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
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diff changeset
475 overlay rom const float* ptr = &buhlmann_ht[2*ci];
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
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diff changeset
476 var_N2_ht = *ptr++;
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
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diff changeset
477 var_He_ht = *ptr++;
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
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parents: 491
diff changeset
478 }
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
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parents: 491
diff changeset
479
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
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diff changeset
480 assert( 4.0 <= var_N2_ht && var_N2_ht <= 635.0 );
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
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diff changeset
481 assert( 1.5099 <= var_He_ht && var_He_ht <= 240.03 );
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
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parents: 491
diff changeset
482 }
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
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diff changeset
483
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
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parents: 491
diff changeset
484 //////////////////////////////////////////////////////////////////////////////
340
ecbbbd423e86 BUGFIX save negativ temperatures in logbook (bbbug #6)
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parents: 339
diff changeset
485 // calc_nextdecodepth
165
8b5b848db4cd + Clean Buhlmann tables addressing
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parents: 164
diff changeset
486 //
116
14a074e1a375 Split C code, and use direct linking.
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parents:
diff changeset
487 // new in v.102
165
8b5b848db4cd + Clean Buhlmann tables addressing
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parents: 164
diff changeset
488 //
116
14a074e1a375 Split C code, and use direct linking.
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parents:
diff changeset
489 // INPUT, changing during dive:
509
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
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parents: 491
diff changeset
490 // temp_deco
192
c8816e4bc724 GF Model
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diff changeset
491 // low_depth
167
cb055a7d75f3 + Use overlay local vars.
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parents: 165
diff changeset
492 //
116
14a074e1a375 Split C code, and use direct linking.
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parents:
diff changeset
493 // INPUT, fixed during dive:
167
cb055a7d75f3 + Use overlay local vars.
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parents: 165
diff changeset
494 // pres_surface
cb055a7d75f3 + Use overlay local vars.
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parents: 165
diff changeset
495 // GF_delta
cb055a7d75f3 + Use overlay local vars.
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parents: 165
diff changeset
496 // GF_high
cb055a7d75f3 + Use overlay local vars.
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parents: 165
diff changeset
497 // GF_low
171
7f3e1bf588bc More p2_deco.c cleanups
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parents: 169
diff changeset
498 // char_I_depth_last_deco
167
cb055a7d75f3 + Use overlay local vars.
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parents: 165
diff changeset
499 // float_deco_distance
cb055a7d75f3 + Use overlay local vars.
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parents: 165
diff changeset
500 //
241
f44274d8440a Model cleanups.
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parents: 240
diff changeset
501 // RETURN TRUE iff a stop is needed.
f44274d8440a Model cleanups.
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parents: 240
diff changeset
502 //
116
14a074e1a375 Split C code, and use direct linking.
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parents:
diff changeset
503 // OUTPUT
171
7f3e1bf588bc More p2_deco.c cleanups
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parents: 169
diff changeset
504 // locked_GF_step
167
cb055a7d75f3 + Use overlay local vars.
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parents: 165
diff changeset
505 // temp_depth_limt
192
c8816e4bc724 GF Model
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parents: 186
diff changeset
506 // low_depth
167
cb055a7d75f3 + Use overlay local vars.
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parents: 165
diff changeset
507 //
241
f44274d8440a Model cleanups.
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parents: 240
diff changeset
508 static unsigned char calc_nextdecodepth(void)
167
cb055a7d75f3 + Use overlay local vars.
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parents: 165
diff changeset
509 {
241
f44274d8440a Model cleanups.
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parents: 240
diff changeset
510 //--- Max ascent speed ---------------------------------------------------
f44274d8440a Model cleanups.
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parents: 240
diff changeset
511 // Recompute leading gas limit, at current depth:
317
1de9eee3837b Minor cleanup in depth convertion for EAD/END.
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parents: 312
diff changeset
512 overlay float depth = (temp_deco - pres_surface) * BAR_TO_METER;
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
513
f44274d8440a Model cleanups.
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parents: 240
diff changeset
514 // At most, ascent 1 minute, at 10m/min == 10.0 m.
302
36cc8f0c1d73 Minor corrections in assert conditions.
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parents: 293
diff changeset
515 overlay float min_depth = (depth > 10.0) ? (depth - 10.0) : 0.0;
241
f44274d8440a Model cleanups.
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parents: 240
diff changeset
516
f44274d8440a Model cleanups.
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parents: 240
diff changeset
517 // Do we need to stop at current depth ?
f44274d8440a Model cleanups.
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parents: 240
diff changeset
518 overlay unsigned char need_stop = 0;
f44274d8440a Model cleanups.
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parents: 240
diff changeset
519
f44274d8440a Model cleanups.
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parents: 240
diff changeset
520 assert( depth >= -0.2 ); // Allow for 200mbar of weather change.
f44274d8440a Model cleanups.
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parents: 240
diff changeset
521
212
275befc5f39d Debug GF model (bug #11 & #12).
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parents: 203
diff changeset
522 //---- ZH-L16 + GRADIENT FACTOR model ------------------------------------
509
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
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parents: 491
diff changeset
523 if( char_I_deco_model != 0 )
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
524 {
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
525 if( depth >= low_depth )
192
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
526 sim_limit( GF_low );
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
527 else
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
528 sim_limit( GF_high - depth * locked_GF_step );
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
529
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
530 // Stops are needed ?
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
531 if( sim_lead_tissue_limit > pres_surface )
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
532 {
275
4310ab395dbe Keep low_depth in float 32bits (w/o rounding) for a better stability.
JeanDo
parents: 270
diff changeset
533 // Compute tolerated depth, for the leading tissue [metre]:
317
1de9eee3837b Minor cleanup in depth convertion for EAD/END.
JeanDo
parents: 312
diff changeset
534 overlay float depth_tol = (sim_lead_tissue_limit - pres_surface) * BAR_TO_METER;
512
e7893664bd29 BUGFIX Spurious stop order when simulating deadly fast ascent.
JeanDo
parents: 511
diff changeset
535 overlay unsigned char first_stop;
e7893664bd29 BUGFIX Spurious stop order when simulating deadly fast ascent.
JeanDo
parents: 511
diff changeset
536
e7893664bd29 BUGFIX Spurious stop order when simulating deadly fast ascent.
JeanDo
parents: 511
diff changeset
537 // If ascent is VERY fast, this can be lower than the actual depth... Because
e7893664bd29 BUGFIX Spurious stop order when simulating deadly fast ascent.
JeanDo
parents: 511
diff changeset
538 // this happends only in simulation, just forget about it:
e7893664bd29 BUGFIX Spurious stop order when simulating deadly fast ascent.
JeanDo
parents: 511
diff changeset
539 if( depth_tol > depth )
e7893664bd29 BUGFIX Spurious stop order when simulating deadly fast ascent.
JeanDo
parents: 511
diff changeset
540 depth_tol = depth;
275
4310ab395dbe Keep low_depth in float 32bits (w/o rounding) for a better stability.
JeanDo
parents: 270
diff changeset
541
4310ab395dbe Keep low_depth in float 32bits (w/o rounding) for a better stability.
JeanDo
parents: 270
diff changeset
542 // Deepest stop, in multiples of 3 metres.
512
e7893664bd29 BUGFIX Spurious stop order when simulating deadly fast ascent.
JeanDo
parents: 511
diff changeset
543 first_stop = 3 * (short)(0.99999 + depth_tol * 0.33333 );
192
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
544 assert( first_stop < 128 );
171
7f3e1bf588bc More p2_deco.c cleanups
JeanDo
parents: 169
diff changeset
545
275
4310ab395dbe Keep low_depth in float 32bits (w/o rounding) for a better stability.
JeanDo
parents: 270
diff changeset
546 // Is it a new deepest needed stop ? If yes this is the reference for
4310ab395dbe Keep low_depth in float 32bits (w/o rounding) for a better stability.
JeanDo
parents: 270
diff changeset
547 // the varying gradient factor. So reset that:
4310ab395dbe Keep low_depth in float 32bits (w/o rounding) for a better stability.
JeanDo
parents: 270
diff changeset
548 if( depth_tol > min_depth && depth_tol > low_depth )
4310ab395dbe Keep low_depth in float 32bits (w/o rounding) for a better stability.
JeanDo
parents: 270
diff changeset
549 {
4310ab395dbe Keep low_depth in float 32bits (w/o rounding) for a better stability.
JeanDo
parents: 270
diff changeset
550 // Store the deepest stop depth, as reference for GF_low.
4310ab395dbe Keep low_depth in float 32bits (w/o rounding) for a better stability.
JeanDo
parents: 270
diff changeset
551 low_depth = depth_tol;
4310ab395dbe Keep low_depth in float 32bits (w/o rounding) for a better stability.
JeanDo
parents: 270
diff changeset
552 locked_GF_step = GF_delta / low_depth;
4310ab395dbe Keep low_depth in float 32bits (w/o rounding) for a better stability.
JeanDo
parents: 270
diff changeset
553 }
4310ab395dbe Keep low_depth in float 32bits (w/o rounding) for a better stability.
JeanDo
parents: 270
diff changeset
554
264
d9593e0f1eea Safer rounding (bug bb29)
JeanDo
parents: 261
diff changeset
555 #if defined(__DEBUG) || defined(CROSS_COMPILE)
261
9d4ab7c96885 Fix first stop rounding in GF model.
JeanDo
parents: 260
diff changeset
556 {
9d4ab7c96885 Fix first stop rounding in GF model.
JeanDo
parents: 260
diff changeset
557 // Extra testing code to make sure the first_stop formula
9d4ab7c96885 Fix first stop rounding in GF model.
JeanDo
parents: 260
diff changeset
558 // and rounding provides correct depth:
317
1de9eee3837b Minor cleanup in depth convertion for EAD/END.
JeanDo
parents: 312
diff changeset
559 overlay float pres_stop = first_stop * METER_TO_BAR
261
9d4ab7c96885 Fix first stop rounding in GF model.
JeanDo
parents: 260
diff changeset
560 + pres_surface;
9d4ab7c96885 Fix first stop rounding in GF model.
JeanDo
parents: 260
diff changeset
561
9d4ab7c96885 Fix first stop rounding in GF model.
JeanDo
parents: 260
diff changeset
562 // Keep GF_low until a first stop depth is found:
9d4ab7c96885 Fix first stop rounding in GF model.
JeanDo
parents: 260
diff changeset
563 if( first_stop >= low_depth )
9d4ab7c96885 Fix first stop rounding in GF model.
JeanDo
parents: 260
diff changeset
564 sim_limit( GF_low );
9d4ab7c96885 Fix first stop rounding in GF model.
JeanDo
parents: 260
diff changeset
565 else
9d4ab7c96885 Fix first stop rounding in GF model.
JeanDo
parents: 260
diff changeset
566 // current GF is GF_high - alpha (GF_high - GF_low)
9d4ab7c96885 Fix first stop rounding in GF model.
JeanDo
parents: 260
diff changeset
567 // With alpha = currentDepth / maxDepth, hence in [0..1]
9d4ab7c96885 Fix first stop rounding in GF model.
JeanDo
parents: 260
diff changeset
568 sim_limit( GF_high - first_stop * locked_GF_step );
9d4ab7c96885 Fix first stop rounding in GF model.
JeanDo
parents: 260
diff changeset
569
302
36cc8f0c1d73 Minor corrections in assert conditions.
JeanDo
parents: 293
diff changeset
570 // upper limit (lowest pressure tolerated), + 1mbar for rounding...:
36cc8f0c1d73 Minor corrections in assert conditions.
JeanDo
parents: 293
diff changeset
571 assert( sim_lead_tissue_limit < (pres_stop + 0.001) );
261
9d4ab7c96885 Fix first stop rounding in GF model.
JeanDo
parents: 260
diff changeset
572 }
9d4ab7c96885 Fix first stop rounding in GF model.
JeanDo
parents: 260
diff changeset
573 #endif
9d4ab7c96885 Fix first stop rounding in GF model.
JeanDo
parents: 260
diff changeset
574
212
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
575 // Apply correction for the shallowest stop.
192
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
576 if( first_stop == 3 ) // new in v104
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
577 first_stop = char_I_depth_last_deco; // Use last 3m..6m instead.
171
7f3e1bf588bc More p2_deco.c cleanups
JeanDo
parents: 169
diff changeset
578
275
4310ab395dbe Keep low_depth in float 32bits (w/o rounding) for a better stability.
JeanDo
parents: 270
diff changeset
579 // Because gradient factor at first_stop might be bigger than at
261
9d4ab7c96885 Fix first stop rounding in GF model.
JeanDo
parents: 260
diff changeset
580 // current depth, we might ascent a bit more.
9d4ab7c96885 Fix first stop rounding in GF model.
JeanDo
parents: 260
diff changeset
581 // Hence, check all stops until one is indeed higher than tolerated presure:
9d4ab7c96885 Fix first stop rounding in GF model.
JeanDo
parents: 260
diff changeset
582 while(first_stop > 0)
192
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
583 {
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
584 overlay unsigned char next_stop; // Next index (0..30)
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
585 overlay float pres_stop; // Next depth (0m..90m)
171
7f3e1bf588bc More p2_deco.c cleanups
JeanDo
parents: 169
diff changeset
586
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
587 // Check max speed, or reaching surface.
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
588 if( first_stop <= min_depth )
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
589 break;
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
590
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
591 // So, there is indeed a stop needed:
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
592 need_stop = 1;
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
593
192
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
594 if( first_stop <= char_I_depth_last_deco ) // new in v104
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
595 next_stop = 0;
216
c7e32ff65636 BUGFIX typo when last stop is just below 3m.
JeanDo
parents: 212
diff changeset
596 else if( first_stop == 6 )
c7e32ff65636 BUGFIX typo when last stop is just below 3m.
JeanDo
parents: 212
diff changeset
597 next_stop = char_I_depth_last_deco;
192
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
598 else
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
599 next_stop = first_stop - 3; // Index of next (upper) stop.
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
600
317
1de9eee3837b Minor cleanup in depth convertion for EAD/END.
JeanDo
parents: 312
diff changeset
601 pres_stop = next_stop * METER_TO_BAR
192
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
602 + pres_surface;
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
603
212
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
604 // Keep GF_low until a first stop depth is found:
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
605 if( next_stop >= low_depth )
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
606 sim_limit( GF_low );
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
607 else
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
608 // current GF is GF_high - alpha (GF_high - GF_low)
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
609 // With alpha = currentDepth / maxDepth, hence in [0..1]
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
610 sim_limit( GF_high - next_stop * locked_GF_step );
171
7f3e1bf588bc More p2_deco.c cleanups
JeanDo
parents: 169
diff changeset
611
192
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
612 // upper limit (lowest pressure tolerated):
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
613 if( sim_lead_tissue_limit >= pres_stop ) // check if ascent to next deco stop is ok
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
614 break;
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
615
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
616 // Else, validate that stop and loop...
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
617 first_stop = next_stop;
212
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
618 }
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
619
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
620 // next stop is the last validated depth found, aka first_stop
275
4310ab395dbe Keep low_depth in float 32bits (w/o rounding) for a better stability.
JeanDo
parents: 270
diff changeset
621 temp_depth_limit = first_stop; // Stop depth, in metre.
192
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
622 }
171
7f3e1bf588bc More p2_deco.c cleanups
JeanDo
parents: 169
diff changeset
623 else
275
4310ab395dbe Keep low_depth in float 32bits (w/o rounding) for a better stability.
JeanDo
parents: 270
diff changeset
624 temp_depth_limit = 0; // stop depth, in metre.
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
625 }
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
626 else //---- ZH-L16 model -------------------------------------------------
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
627 {
192
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
628 overlay float pres_gradient;
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
629
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
630 // Original model
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
631 // optimized in v.101
171
7f3e1bf588bc More p2_deco.c cleanups
JeanDo
parents: 169
diff changeset
632 // char_I_depth_last_deco included in v.101
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
633
192
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
634 // Compute sim_lead_tissue_limit too, but just once.
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
635 sim_limit(1.0);
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
636
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
637 pres_gradient = sim_lead_tissue_limit - pres_surface;
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
638 if (pres_gradient >= 0)
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
639 {
317
1de9eee3837b Minor cleanup in depth convertion for EAD/END.
JeanDo
parents: 312
diff changeset
640 pres_gradient *= BAR_TO_METER/3; // Bar --> stop number;
275
4310ab395dbe Keep low_depth in float 32bits (w/o rounding) for a better stability.
JeanDo
parents: 270
diff changeset
641 temp_depth_limit = 3 * (short) (pres_gradient + 0.99); // --> metre : depth for deco
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
642 need_stop = 1; // Hit.
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
643
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
644 // Implement last stop at 4m/5m/6m...
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
645 if( temp_depth_limit == 3 )
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
646 temp_depth_limit = char_I_depth_last_deco;
171
7f3e1bf588bc More p2_deco.c cleanups
JeanDo
parents: 169
diff changeset
647 }
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
648 else
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
649 temp_depth_limit = 0;
171
7f3e1bf588bc More p2_deco.c cleanups
JeanDo
parents: 169
diff changeset
650 }
212
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
651
217
ce6f16711567 BUGFIX gas switch
JeanDo
parents: 216
diff changeset
652 //---- Check gas change --------------------------------------------------
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
653 need_stop |= gas_switch_deepest(); // Update temp_depth_limit if there is a change,
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
654
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
655 return need_stop;
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
656 }
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
657
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
658 //////////////////////////////////////////////////////////////////////////////
169
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
659 // copy_deco_table
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
660 //
169
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
661 // Buffer the stops, once computed, so we can continue to display them
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
662 // while computing the next set.
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
663 //
169
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
664 static void copy_deco_table(void)
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
665 {
169
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
666 // Copy depth of the first (deepest) stop, because when reversing
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
667 // order, it will be hard to find...
279
8514588eb6a2 Mark gas-switch stops for decoplans, displayed in yellow.
JeanDo
parents: 278
diff changeset
668 char_O_first_deco_depth = internal_deco_depth[0] & 0x7F;
169
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
669 char_O_first_deco_time = internal_deco_time [0];
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
670
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
671 if( read_custom_function(54) & 1 ) //---- Should we reverse table ? ------
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
672 {
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
673 overlay unsigned char x, y;
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
674
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
675 //---- First: search the first non-null depth
339
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
676 for(x=(NUM_STOPS-1); x != 0; --x)
169
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
677 if( internal_deco_depth[x] != 0 ) break;
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
678
169
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
679 //---- Second: copy to output table (in reverse order)
338
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
JeanDo
parents: 334
diff changeset
680 for(y=0; y<NUM_STOPS; y++, --x)
169
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
681 {
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
682 char_O_deco_depth[y] = internal_deco_depth[x];
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
683 char_O_deco_time [y] = internal_deco_time [x];
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
684
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
685 // Stop only once the last transfer is done.
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
686 if( x == 0 ) break;
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
687 }
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
688
169
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
689 //---- Third: fill table end with null
339
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
690 for(y++; y<NUM_STOPS; y++)
169
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
691 {
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
692 char_O_deco_time [y] = 0;
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
693 char_O_deco_depth[y] = 0;
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
694 }
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
695 }
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
696 else //---- Straight copy ------------------------------------------------
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
697 {
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
698 overlay unsigned char x;
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
699
339
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
700 for(x=0; x<NUM_STOPS; x++)
169
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
701 {
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
702 char_O_deco_depth[x] = internal_deco_depth[x];
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
703 char_O_deco_time [x] = internal_deco_time [x];
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
704 }
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
705 }
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
706 }
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
707
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
708 //////////////////////////////////////////////////////////////////////////////
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
709 // temp_tissue_safety //
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
710 //
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
711 // outsourced in v.102
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
712 //
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
713 // Apply safety factors for brand ZH-L16 model.
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
714 //
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
715 static void temp_tissue_safety(void)
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
716 {
197
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
717 assert( 0.0 < float_desaturation_multiplier && float_desaturation_multiplier <= 1.0 );
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
718 assert( 1.0 <= float_saturation_multiplier && float_saturation_multiplier <= 2.0 );
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
719
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
720 if( char_I_deco_model == 0 )
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
721 {
491
560764da0629 BUGFIX Surface desat factor missing for Interval planning in GF mode.
JeanDo
parents: 490
diff changeset
722 if( temp_tissue < 0.0 )
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
723 temp_tissue *= float_desaturation_multiplier;
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
724 else
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
725 temp_tissue *= float_saturation_multiplier;
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
726 }
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
727 }
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
728
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
729 //////////////////////////////////////////////////////////////////////////////
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
730 //////////////////////////////////////////////////////////////////////////////
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
731 // ** THE JUMP-IN CODE **
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
732 // ** for the asm code **
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
733 //////////////////////////////////////////////////////////////////////////////
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
734 //////////////////////////////////////////////////////////////////////////////
122
3003a8040b78 FIX again reset C data stack and frame pointer when entering C code.
JeanDo
parents: 116
diff changeset
735
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
736 //////////////////////////////////////////////////////////////////////////////
169
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
737 // Called every 2 seconds during diving.
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
738 // update tissues every time.
184
016c45a0caaf Enable to compile p2_deco.c on other platforms.
JeanDo
parents: 171
diff changeset
739 //
169
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
740 // Every 6 seconds (or slower when TTS > 16):
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
741 // - update deco table (char_O_deco_time/depth) with new values.
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
742 // - update ascent time,
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
743 // - set status to zero (so we can check there is new results).
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
744 //
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
745 void deco_calc_hauptroutine(void)
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
746 {
122
3003a8040b78 FIX again reset C data stack and frame pointer when entering C code.
JeanDo
parents: 116
diff changeset
747 RESET_C_STACK
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
748 calc_hauptroutine();
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
749 int_O_desaturation_time = 65535;
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
750 }
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
751
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
752 //////////////////////////////////////////////////////////////////////////////
184
016c45a0caaf Enable to compile p2_deco.c on other platforms.
JeanDo
parents: 171
diff changeset
753 // Reset decompression model:
016c45a0caaf Enable to compile p2_deco.c on other platforms.
JeanDo
parents: 171
diff changeset
754 // + Set all tissues to equilibrium with Air at ambient pressure.
016c45a0caaf Enable to compile p2_deco.c on other platforms.
JeanDo
parents: 171
diff changeset
755 // + Reset last stop to 0m
016c45a0caaf Enable to compile p2_deco.c on other platforms.
JeanDo
parents: 171
diff changeset
756 // + Reset all model output.
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
757 void deco_clear_tissue(void)
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
758 {
122
3003a8040b78 FIX again reset C data stack and frame pointer when entering C code.
JeanDo
parents: 116
diff changeset
759 RESET_C_STACK
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
760 clear_tissue();
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
761 }
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
762
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
763 //////////////////////////////////////////////////////////////////////////////
278
17aab4ca0547 BUGFIX CCR decoplan fails (bug bb42).
JeanDo
parents: 276
diff changeset
764 // Called every 1 min during decoplanning.
17aab4ca0547 BUGFIX CCR decoplan fails (bug bb42).
JeanDo
parents: 276
diff changeset
765 // Update tissues for 1 min.
17aab4ca0547 BUGFIX CCR decoplan fails (bug bb42).
JeanDo
parents: 276
diff changeset
766 //
17aab4ca0547 BUGFIX CCR decoplan fails (bug bb42).
JeanDo
parents: 276
diff changeset
767 void deco_calc_tissue(void)
17aab4ca0547 BUGFIX CCR decoplan fails (bug bb42).
JeanDo
parents: 276
diff changeset
768 {
17aab4ca0547 BUGFIX CCR decoplan fails (bug bb42).
JeanDo
parents: 276
diff changeset
769 RESET_C_STACK
17aab4ca0547 BUGFIX CCR decoplan fails (bug bb42).
JeanDo
parents: 276
diff changeset
770 calc_hauptroutine_update_tissues();
17aab4ca0547 BUGFIX CCR decoplan fails (bug bb42).
JeanDo
parents: 276
diff changeset
771 }
17aab4ca0547 BUGFIX CCR decoplan fails (bug bb42).
JeanDo
parents: 276
diff changeset
772
17aab4ca0547 BUGFIX CCR decoplan fails (bug bb42).
JeanDo
parents: 276
diff changeset
773 //////////////////////////////////////////////////////////////////////////////
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
774
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
775 void deco_calc_wo_deco_step_1_min(void)
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
776 {
122
3003a8040b78 FIX again reset C data stack and frame pointer when entering C code.
JeanDo
parents: 116
diff changeset
777 RESET_C_STACK
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
778 calc_wo_deco_step_1_min();
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
779 deco_calc_desaturation_time();
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
780 }
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
781
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
782 //////////////////////////////////////////////////////////////////////////////
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
783
368
de3b267e1fd9 Adding calc_dive_interval()
JeanDo
parents: 353
diff changeset
784 void deco_calc_dive_interval(void)
de3b267e1fd9 Adding calc_dive_interval()
JeanDo
parents: 353
diff changeset
785 {
de3b267e1fd9 Adding calc_dive_interval()
JeanDo
parents: 353
diff changeset
786 RESET_C_STACK
de3b267e1fd9 Adding calc_dive_interval()
JeanDo
parents: 353
diff changeset
787 calc_dive_interval();
de3b267e1fd9 Adding calc_dive_interval()
JeanDo
parents: 353
diff changeset
788 }
de3b267e1fd9 Adding calc_dive_interval()
JeanDo
parents: 353
diff changeset
789
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
790
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
791 //////////////////////////////////////////////////////////////////////////////
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
792 // Find current gas in the list (if any).
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
793 //
513
c9f19a546e64 BUGFIX MISSING movlb for gaslist (simulator).
JeanDo
parents: 512
diff changeset
794 // Input: char_I_current_gas = 1..6
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
795 //
513
c9f19a546e64 BUGFIX MISSING movlb for gaslist (simulator).
JeanDo
parents: 512
diff changeset
796 // Output: sim_gas_last_depth = 0..5, temp_depth_limit.
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
797 //
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
798 static void gas_switch_find_current(void)
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
799 {
513
c9f19a546e64 BUGFIX MISSING movlb for gaslist (simulator).
JeanDo
parents: 512
diff changeset
800 assert( 0 < char_I_current_gas && char_I_current_gas <= (NUM_GAS+1) );
247
ce869aad7440 BUGFIX Count gas switch delay down during ascent (bug bb26)
JeanDo
parents: 241
diff changeset
801
388
681bdc91114c BUGFIX Gas switch number.
JeanDo
parents: 368
diff changeset
802 if( char_I_current_gas <= NUM_GAS ) // Gas1..Gas5
353
b5b030c1ae7e Avoid spurious switch-depth stops with 3 or more gas.
JeanDo
parents: 340
diff changeset
803 {
388
681bdc91114c BUGFIX Gas switch number.
JeanDo
parents: 368
diff changeset
804 sim_gas_last_used = char_I_current_gas;
681bdc91114c BUGFIX Gas switch number.
JeanDo
parents: 368
diff changeset
805
681bdc91114c BUGFIX Gas switch number.
JeanDo
parents: 368
diff changeset
806 // Note: if current is first gas, we must find it, but not set
681bdc91114c BUGFIX Gas switch number.
JeanDo
parents: 368
diff changeset
807 // last depth change to surface.
681bdc91114c BUGFIX Gas switch number.
JeanDo
parents: 368
diff changeset
808 if( char_I_deco_gas_change[sim_gas_last_used-1] )
681bdc91114c BUGFIX Gas switch number.
JeanDo
parents: 368
diff changeset
809 sim_gas_last_depth = char_I_deco_gas_change[sim_gas_last_used-1];
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
810 }
388
681bdc91114c BUGFIX Gas switch number.
JeanDo
parents: 368
diff changeset
811 else
681bdc91114c BUGFIX Gas switch number.
JeanDo
parents: 368
diff changeset
812 sim_gas_last_used = 0; // Gas 6 = manual set
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
813 }
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
814
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
815 //////////////////////////////////////////////////////////////////////////////
217
ce6f16711567 BUGFIX gas switch
JeanDo
parents: 216
diff changeset
816 // Find deepest available gas.
201
e5c484d59a91 Gas switch debugging...
JeanDo
parents: 200
diff changeset
817 //
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
818 // Input: temp_depth_limit,
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
819 // deco_gas_change[]
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
820 // sim_gas_delay, sim_gas_depth_used, sim_dive_mins.
212
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
821 //
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
822 // RETURNS TRUE if a stop is needed for gas switch.
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
823 //
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
824 // Output: temp_depth_limit, sim_gas_delay, sim_gas_depth_used IFF the is a switch.
212
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
825 //
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
826 // NOTE: might be called from bottom (when sim_gas_delay and sim_gas_depth_used
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
827 // are null), or during the ascent to make sure we are not passing a
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
828 // stop (in which case both can be already set).
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
829 //
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
830 static unsigned char gas_switch_deepest(void)
201
e5c484d59a91 Gas switch debugging...
JeanDo
parents: 200
diff changeset
831 {
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
832 overlay unsigned char switch_deco = 0, switch_last = 0;
201
e5c484d59a91 Gas switch debugging...
JeanDo
parents: 200
diff changeset
833
e5c484d59a91 Gas switch debugging...
JeanDo
parents: 200
diff changeset
834 if (char_I_const_ppO2 == 0)
e5c484d59a91 Gas switch debugging...
JeanDo
parents: 200
diff changeset
835 {
225
2dc4a7340510 BUGFIX Gas usage for unsorted gas list.
JeanDo
parents: 224
diff changeset
836 overlay unsigned char j;
2dc4a7340510 BUGFIX Gas usage for unsorted gas list.
JeanDo
parents: 224
diff changeset
837
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
838 // Loop over all enabled gas, to find the deepest one,
340
ecbbbd423e86 BUGFIX save negativ temperatures in logbook (bbbug #6)
JeanDo
parents: 339
diff changeset
839 // above last used gas, but below temp_depth_limit.
338
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
JeanDo
parents: 334
diff changeset
840 for(j=0; j<NUM_GAS; ++j)
225
2dc4a7340510 BUGFIX Gas usage for unsorted gas list.
JeanDo
parents: 224
diff changeset
841 {
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
842 // Gas not (yet) allowed ? Skip !
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
843 if( temp_depth_limit > deco_gas_change[j] )
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
844 continue;
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
845
353
b5b030c1ae7e Avoid spurious switch-depth stops with 3 or more gas.
JeanDo
parents: 340
diff changeset
846 // Gas deeper (or equal) than the current one ? Skip !
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
847 if( sim_gas_last_depth && deco_gas_change[j] >= sim_gas_last_depth )
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
848 continue;
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
849
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
850 // First, or deeper ?
247
ce869aad7440 BUGFIX Count gas switch delay down during ascent (bug bb26)
JeanDo
parents: 241
diff changeset
851 if( switch_deco < deco_gas_change[j] )
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
852 {
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
853 switch_deco = deco_gas_change[j];
388
681bdc91114c BUGFIX Gas switch number.
JeanDo
parents: 368
diff changeset
854 switch_last = j+1; // 1..5
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
855 }
225
2dc4a7340510 BUGFIX Gas usage for unsorted gas list.
JeanDo
parents: 224
diff changeset
856 }
201
e5c484d59a91 Gas switch debugging...
JeanDo
parents: 200
diff changeset
857 }
e5c484d59a91 Gas switch debugging...
JeanDo
parents: 200
diff changeset
858
203
2d9af08ed0ac BUGFIX Gas switch
JeanDo
parents: 201
diff changeset
859 // If there is a better gas available
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
860 if( switch_deco )
201
e5c484d59a91 Gas switch debugging...
JeanDo
parents: 200
diff changeset
861 {
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
862 assert( !sim_gas_last_depth || sim_gas_last_depth > switch_deco );
201
e5c484d59a91 Gas switch debugging...
JeanDo
parents: 200
diff changeset
863
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
864 // Should restart gas-switch delay only when gas do changes...
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
865 assert( sim_gas_delay <= sim_dive_mins );
217
ce6f16711567 BUGFIX gas switch
JeanDo
parents: 216
diff changeset
866
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
867 sim_gas_last_depth = switch_deco;
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
868 sim_gas_last_used = switch_last;
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
869 sim_gas_delay = read_custom_function(55);
217
ce6f16711567 BUGFIX gas switch
JeanDo
parents: 216
diff changeset
870
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
871 // Apply depth correction ONLY if CF#55 is not null:
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
872 if( sim_gas_delay > 0 )
225
2dc4a7340510 BUGFIX Gas usage for unsorted gas list.
JeanDo
parents: 224
diff changeset
873 {
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
874 sim_gas_delay += sim_dive_mins;
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
875 temp_depth_limit = switch_deco;
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
876 return 1;
225
2dc4a7340510 BUGFIX Gas usage for unsorted gas list.
JeanDo
parents: 224
diff changeset
877 }
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
878
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
879 return 0;
217
ce6f16711567 BUGFIX gas switch
JeanDo
parents: 216
diff changeset
880 }
ce6f16711567 BUGFIX gas switch
JeanDo
parents: 216
diff changeset
881
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
882 sim_gas_delay = 0;
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
883 return 0;
217
ce6f16711567 BUGFIX gas switch
JeanDo
parents: 216
diff changeset
884 }
ce6f16711567 BUGFIX gas switch
JeanDo
parents: 216
diff changeset
885
ce6f16711567 BUGFIX gas switch
JeanDo
parents: 216
diff changeset
886 //////////////////////////////////////////////////////////////////////////////
ce6f16711567 BUGFIX gas switch
JeanDo
parents: 216
diff changeset
887 // Calculate gas switches
ce6f16711567 BUGFIX gas switch
JeanDo
parents: 216
diff changeset
888 //
ce6f16711567 BUGFIX gas switch
JeanDo
parents: 216
diff changeset
889 //
ce6f16711567 BUGFIX gas switch
JeanDo
parents: 216
diff changeset
890 // Input: N2_ratio, He_ratio.
ce6f16711567 BUGFIX gas switch
JeanDo
parents: 216
diff changeset
891 // sim_gas_last_used
ce6f16711567 BUGFIX gas switch
JeanDo
parents: 216
diff changeset
892 //
ce6f16711567 BUGFIX gas switch
JeanDo
parents: 216
diff changeset
893 // Output: calc_N2_ratio, calc_He_ratio
ce6f16711567 BUGFIX gas switch
JeanDo
parents: 216
diff changeset
894 //
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
895 static void gas_switch_set(void)
217
ce6f16711567 BUGFIX gas switch
JeanDo
parents: 216
diff changeset
896 {
338
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
JeanDo
parents: 334
diff changeset
897 assert( 0 <= sim_gas_last_used && sim_gas_last_used <= NUM_GAS );
217
ce6f16711567 BUGFIX gas switch
JeanDo
parents: 216
diff changeset
898
388
681bdc91114c BUGFIX Gas switch number.
JeanDo
parents: 368
diff changeset
899 if( sim_gas_last_used == 0 ) // Gas6 = manualy set gas.
224
49c90c5d9603 Gas usage
JeanDo
parents: 222
diff changeset
900 {
49c90c5d9603 Gas usage
JeanDo
parents: 222
diff changeset
901 calc_N2_ratio = N2_ratio;
49c90c5d9603 Gas usage
JeanDo
parents: 222
diff changeset
902 calc_He_ratio = He_ratio;
49c90c5d9603 Gas usage
JeanDo
parents: 222
diff changeset
903 }
49c90c5d9603 Gas usage
JeanDo
parents: 222
diff changeset
904 else
49c90c5d9603 Gas usage
JeanDo
parents: 222
diff changeset
905 {
49c90c5d9603 Gas usage
JeanDo
parents: 222
diff changeset
906 calc_N2_ratio = char_I_deco_N2_ratio[sim_gas_last_used-1] * 0.01;
49c90c5d9603 Gas usage
JeanDo
parents: 222
diff changeset
907 calc_He_ratio = char_I_deco_He_ratio[sim_gas_last_used-1] * 0.01;
217
ce6f16711567 BUGFIX gas switch
JeanDo
parents: 216
diff changeset
908 }
201
e5c484d59a91 Gas switch debugging...
JeanDo
parents: 200
diff changeset
909
e5c484d59a91 Gas switch debugging...
JeanDo
parents: 200
diff changeset
910 assert( 0.0 <= calc_N2_ratio && calc_N2_ratio <= 0.95 );
e5c484d59a91 Gas switch debugging...
JeanDo
parents: 200
diff changeset
911 assert( 0.0 <= calc_He_ratio && calc_He_ratio <= 0.95 );
e5c484d59a91 Gas switch debugging...
JeanDo
parents: 200
diff changeset
912 assert( (calc_N2_ratio + calc_He_ratio) <= 1.00 );
e5c484d59a91 Gas switch debugging...
JeanDo
parents: 200
diff changeset
913 }
e5c484d59a91 Gas switch debugging...
JeanDo
parents: 200
diff changeset
914
e5c484d59a91 Gas switch debugging...
JeanDo
parents: 200
diff changeset
915 //////////////////////////////////////////////////////////////////////////////
e5c484d59a91 Gas switch debugging...
JeanDo
parents: 200
diff changeset
916 //
212
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
917 // Input: calc_N2_ratio, calc_He_ratio : simulated gas mix.
509
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
JeanDo
parents: 491
diff changeset
918 // temp_deco : simulated respiration pressure
276
02303915c199 BUGFIX CF16 applyed to diluant in CCR mode.
JeanDo
parents: 275
diff changeset
919 // float_deco_distance : security factor.
310
b20fc8c4ac92 Fix EAD/END display (not mm, m with a trailling space)
JeanDo
parents: 307
diff changeset
920 // Water-vapor pressure inside limbs (ppWater).
212
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
921 //
236
3dbeacf42e9e BUGFIX missing deko init in reboot code.
JeanDo
parents: 235
diff changeset
922 // Output: ppN2, ppHe.
212
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
923 //
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
924 static void sim_alveolar_presures(void)
201
e5c484d59a91 Gas switch debugging...
JeanDo
parents: 200
diff changeset
925 {
212
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
926 overlay float deco_diluent = temp_deco; // new in v.101
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
927
276
02303915c199 BUGFIX CF16 applyed to diluant in CCR mode.
JeanDo
parents: 275
diff changeset
928 // Take deco offset into account, but not at surface.
02303915c199 BUGFIX CF16 applyed to diluant in CCR mode.
JeanDo
parents: 275
diff changeset
929 // Note: this should be done on ambiant pressure, hence before
02303915c199 BUGFIX CF16 applyed to diluant in CCR mode.
JeanDo
parents: 275
diff changeset
930 // computing the diluant partial pressure...
02303915c199 BUGFIX CF16 applyed to diluant in CCR mode.
JeanDo
parents: 275
diff changeset
931 if( deco_diluent > pres_surface )
02303915c199 BUGFIX CF16 applyed to diluant in CCR mode.
JeanDo
parents: 275
diff changeset
932 deco_diluent += float_deco_distance;
02303915c199 BUGFIX CF16 applyed to diluant in CCR mode.
JeanDo
parents: 275
diff changeset
933
212
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
934 //---- CCR mode : deco gas switch ? --------------------------------------
276
02303915c199 BUGFIX CF16 applyed to diluant in CCR mode.
JeanDo
parents: 275
diff changeset
935 if( char_I_const_ppO2 != 0 )
201
e5c484d59a91 Gas switch debugging...
JeanDo
parents: 200
diff changeset
936 {
276
02303915c199 BUGFIX CF16 applyed to diluant in CCR mode.
JeanDo
parents: 275
diff changeset
937 // In CCR mode, use calc_XX_ratio instead of XX_ratio.
02303915c199 BUGFIX CF16 applyed to diluant in CCR mode.
JeanDo
parents: 275
diff changeset
938 // Note: PPO2 and ratios are known outside the lumbs, so there is no
310
b20fc8c4ac92 Fix EAD/END display (not mm, m with a trailling space)
JeanDo
parents: 307
diff changeset
939 // ppWater in the equations below:
321
a99073445c18 Cleanup auto setpoint switch
JeanDo
parents: 317
diff changeset
940 deco_diluent -= const_ppO2;
276
02303915c199 BUGFIX CF16 applyed to diluant in CCR mode.
JeanDo
parents: 275
diff changeset
941 deco_diluent /= calc_N2_ratio + calc_He_ratio;
212
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
942
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
943 if (deco_diluent > temp_deco)
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
944 deco_diluent = temp_deco;
201
e5c484d59a91 Gas switch debugging...
JeanDo
parents: 200
diff changeset
945 }
e5c484d59a91 Gas switch debugging...
JeanDo
parents: 200
diff changeset
946
310
b20fc8c4ac92 Fix EAD/END display (not mm, m with a trailling space)
JeanDo
parents: 307
diff changeset
947 if( deco_diluent > ppWater )
201
e5c484d59a91 Gas switch debugging...
JeanDo
parents: 200
diff changeset
948 {
310
b20fc8c4ac92 Fix EAD/END display (not mm, m with a trailling space)
JeanDo
parents: 307
diff changeset
949 ppN2 = calc_N2_ratio * (deco_diluent - ppWater);
b20fc8c4ac92 Fix EAD/END display (not mm, m with a trailling space)
JeanDo
parents: 307
diff changeset
950 ppHe = calc_He_ratio * (deco_diluent - ppWater);
201
e5c484d59a91 Gas switch debugging...
JeanDo
parents: 200
diff changeset
951 }
e5c484d59a91 Gas switch debugging...
JeanDo
parents: 200
diff changeset
952 else
e5c484d59a91 Gas switch debugging...
JeanDo
parents: 200
diff changeset
953 {
236
3dbeacf42e9e BUGFIX missing deko init in reboot code.
JeanDo
parents: 235
diff changeset
954 ppN2 = 0.0;
201
e5c484d59a91 Gas switch debugging...
JeanDo
parents: 200
diff changeset
955 ppHe = 0.0;
e5c484d59a91 Gas switch debugging...
JeanDo
parents: 200
diff changeset
956 }
236
3dbeacf42e9e BUGFIX missing deko init in reboot code.
JeanDo
parents: 235
diff changeset
957 assert( 0.0 <= ppN2 && ppN2 < 14.0 );
201
e5c484d59a91 Gas switch debugging...
JeanDo
parents: 200
diff changeset
958 assert( 0.0 <= ppHe && ppHe < 14.0 );
e5c484d59a91 Gas switch debugging...
JeanDo
parents: 200
diff changeset
959 }
e5c484d59a91 Gas switch debugging...
JeanDo
parents: 200
diff changeset
960
e5c484d59a91 Gas switch debugging...
JeanDo
parents: 200
diff changeset
961 //////////////////////////////////////////////////////////////////////////////
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
962 // clear_tissue
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
963 //
165
8b5b848db4cd + Clean Buhlmann tables addressing
JeanDo
parents: 164
diff changeset
964 // optimized in v.101 (var_N2_a)
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
965 //
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
966 // preload tissues with standard pressure for the given ambient pressure.
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
967 // Note: fixed N2_ratio for standard air.
201
e5c484d59a91 Gas switch debugging...
JeanDo
parents: 200
diff changeset
968 //
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
969 static void clear_tissue(void)
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
970 {
511
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
971 overlay float p;
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
972 flag_in_divemode = 0;
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
973
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
974 // Kludge: the 0.0002 of 0.7902 are missing with standard air.
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
975 N2_ratio = 0.7902;
212
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
976 pres_respiration = int_I_pres_respiration * 0.001;
164
999abb01c78f + Change data allocation scheme
JeanDo
parents: 163
diff changeset
977
511
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
978 p = N2_ratio * (pres_respiration - ppWater);
338
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
JeanDo
parents: 334
diff changeset
979 for(ci=0; ci<NUM_COMP; ci++)
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
980 {
511
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
981 // cycle through the 16 Bühlmann N2 tissues
339
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
982 pres_tissue_N2[ci] = p;
197
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
983
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
984 // cycle through the 16 Bühlmann tissues for Helium
339
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
985 pres_tissue_He[ci] = 0.0;
511
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
986 }
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
987
169
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
988 clear_deco_table();
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
989 char_O_deco_status = 0;
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
990 char_O_nullzeit = 0;
168
494587193f5d Use 16bits for TTS sum.
JeanDo
parents: 167
diff changeset
991 int_O_ascenttime = 0;
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
992 char_O_gradient_factor = 0;
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
993 char_O_relative_gradient_GF = 0;
258
abbf9a2c2c48 Small p2_deco optimizations:
JeanDo
parents: 257
diff changeset
994
abbf9a2c2c48 Small p2_deco optimizations:
JeanDo
parents: 257
diff changeset
995 calc_lead_tissue_limit = 0.0;
abbf9a2c2c48 Small p2_deco optimizations:
JeanDo
parents: 257
diff changeset
996 char_O_gtissue_no = 0;
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
997 }
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
998
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
999 //////////////////////////////////////////////////////////////////////////////
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1000 // calc_hauptroutine
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1001 //
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1002 // this is the major code in dive mode calculates:
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1003 // the tissues,
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1004 // the bottom time,
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1005 // and simulates the ascend with all deco stops.
171
7f3e1bf588bc More p2_deco.c cleanups
JeanDo
parents: 169
diff changeset
1006 //
7f3e1bf588bc More p2_deco.c cleanups
JeanDo
parents: 169
diff changeset
1007 // The deco_state sequence is :
7f3e1bf588bc More p2_deco.c cleanups
JeanDo
parents: 169
diff changeset
1008 // 3 (at surface)
7f3e1bf588bc More p2_deco.c cleanups
JeanDo
parents: 169
diff changeset
1009 // +---> 0 : calc nullzeit
7f3e1bf588bc More p2_deco.c cleanups
JeanDo
parents: 169
diff changeset
1010 // | 2 : simulate ascent to first stop (at 10m/min, less that 16x 1min simu)
7f3e1bf588bc More p2_deco.c cleanups
JeanDo
parents: 169
diff changeset
1011 // | +-> 1 : simulate up to 16min of stops.
7f3e1bf588bc More p2_deco.c cleanups
JeanDo
parents: 169
diff changeset
1012 // | +------< not finished
7f3e1bf588bc More p2_deco.c cleanups
JeanDo
parents: 169
diff changeset
1013 // +--------< finish
7f3e1bf588bc More p2_deco.c cleanups
JeanDo
parents: 169
diff changeset
1014 //
312
b7e4e74c0e17 New @5 variant: compute TTS if staying some extra time (CF58) at current depth.
JeanDo
parents: 310
diff changeset
1015 // Added steps 6,5 for @+5 calculation:
b7e4e74c0e17 New @5 variant: compute TTS if staying some extra time (CF58) at current depth.
JeanDo
parents: 310
diff changeset
1016 // 6 = ascent to first stop (same as 2), except continue to 7
b7e4e74c0e17 New @5 variant: compute TTS if staying some extra time (CF58) at current depth.
JeanDo
parents: 310
diff changeset
1017 // 7 = same as 1, except loop to 7.
b7e4e74c0e17 New @5 variant: compute TTS if staying some extra time (CF58) at current depth.
JeanDo
parents: 310
diff changeset
1018 //
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1019 static void calc_hauptroutine(void)
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1020 {
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
1021 static unsigned char backup_gas_used = 0;
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
1022 static unsigned char backup_gas_depth = 0;
217
ce6f16711567 BUGFIX gas switch
JeanDo
parents: 216
diff changeset
1023 static unsigned char backup_gas_delay = 0;
186
57a654c199ae BUGFIX Gradient Factor algo.
JeanDo
parents: 185
diff changeset
1024
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1025 calc_hauptroutine_data_input();
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1026
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1027 calc_hauptroutine_update_tissues();
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1028 calc_gradient_factor();
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1029
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1030 // toggle between calculation for nullzeit (bottom time),
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1031 // deco stops
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1032 // and more deco stops (continue)
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1033 switch( char_O_deco_status )
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1034 {
186
57a654c199ae BUGFIX Gradient Factor algo.
JeanDo
parents: 185
diff changeset
1035 case 3: //---- At surface: start a new dive ------------------------------
57a654c199ae BUGFIX Gradient Factor algo.
JeanDo
parents: 185
diff changeset
1036 clear_deco_table();
57a654c199ae BUGFIX Gradient Factor algo.
JeanDo
parents: 185
diff changeset
1037 copy_deco_table();
200
0a3ca358c684 BUGFIX clear decotable at begin of simulator mode.
JeanDo
parents: 197
diff changeset
1038 int_O_ascenttime = 0; // Reset DTR.
323
b7940978edc9 Fix "Future TTS" display customview.
JeanDo
parents: 322
diff changeset
1039 int_O_extra_ascenttime = 0;
200
0a3ca358c684 BUGFIX clear decotable at begin of simulator mode.
JeanDo
parents: 197
diff changeset
1040 char_O_nullzeit = 0; // Reset bottom time.
278
17aab4ca0547 BUGFIX CCR decoplan fails (bug bb42).
JeanDo
parents: 276
diff changeset
1041 char_O_deco_status = 0; // Calc bottom-time/nullzeit next iteration.
201
e5c484d59a91 Gas switch debugging...
JeanDo
parents: 200
diff changeset
1042
217
ce6f16711567 BUGFIX gas switch
JeanDo
parents: 216
diff changeset
1043 // Values that should be reset just once for the full real dive.
ce6f16711567 BUGFIX gas switch
JeanDo
parents: 216
diff changeset
1044 // This is used to record the lowest stop for the whole dive,
ce6f16711567 BUGFIX gas switch
JeanDo
parents: 216
diff changeset
1045 // Including ACCROSS all simulated ascent.
293
e0083f259552 BUGFIX char_O_gradient_factor calculation in GF model.
JeanDo
parents: 292
diff changeset
1046 low_depth = 0.0;
217
ce6f16711567 BUGFIX gas switch
JeanDo
parents: 216
diff changeset
1047
ce6f16711567 BUGFIX gas switch
JeanDo
parents: 216
diff changeset
1048 // Reset gas switch history.
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
1049 backup_gas_used = sim_gas_last_used = 0;
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
1050 backup_gas_depth = sim_gas_last_depth = 0;
217
ce6f16711567 BUGFIX gas switch
JeanDo
parents: 216
diff changeset
1051 backup_gas_delay = sim_gas_delay = 0;
203
2d9af08ed0ac BUGFIX Gas switch
JeanDo
parents: 201
diff changeset
1052 sim_dive_mins = 0;
2d9af08ed0ac BUGFIX Gas switch
JeanDo
parents: 201
diff changeset
1053 break;
186
57a654c199ae BUGFIX Gradient Factor algo.
JeanDo
parents: 185
diff changeset
1054
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1055 case 0: //---- bottom time -----------------------------------------------
312
b7e4e74c0e17 New @5 variant: compute TTS if staying some extra time (CF58) at current depth.
JeanDo
parents: 310
diff changeset
1056 default:
509
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
JeanDo
parents: 491
diff changeset
1057 gas_switch_find_current(); // Lookup for current gas & time.
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
JeanDo
parents: 491
diff changeset
1058 gas_switch_set(); // setup calc_ratio's
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
JeanDo
parents: 491
diff changeset
1059
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1060 calc_nullzeit();
532
f5a06b9e2fef cleanup debug stuff
heinrichsweikamp
parents: 527
diff changeset
1061 /* if( char_O_nullzeit > 0 ) // Some NDL time left ?
523
48bbb1a81027 New no need to check stops while in NDL.
JeanDo
parents: 514
diff changeset
1062 char_O_deco_status = 0; // YES: recalc ndl next time.
48bbb1a81027 New no need to check stops while in NDL.
JeanDo
parents: 514
diff changeset
1063 else
48bbb1a81027 New no need to check stops while in NDL.
JeanDo
parents: 514
diff changeset
1064 char_O_deco_status = 2; // NO: calc ascent next time.
532
f5a06b9e2fef cleanup debug stuff
heinrichsweikamp
parents: 527
diff changeset
1065 */
f5a06b9e2fef cleanup debug stuff
heinrichsweikamp
parents: 527
diff changeset
1066 char_O_deco_status = 2; // calc ascent next time.
186
57a654c199ae BUGFIX Gradient Factor algo.
JeanDo
parents: 185
diff changeset
1067 break;
57a654c199ae BUGFIX Gradient Factor algo.
JeanDo
parents: 185
diff changeset
1068
57a654c199ae BUGFIX Gradient Factor algo.
JeanDo
parents: 185
diff changeset
1069 case 2: //---- Simulate ascent to first stop -----------------------------
312
b7e4e74c0e17 New @5 variant: compute TTS if staying some extra time (CF58) at current depth.
JeanDo
parents: 310
diff changeset
1070 case 6: // @+5min variation
203
2d9af08ed0ac BUGFIX Gas switch
JeanDo
parents: 201
diff changeset
1071 // Check proposed gas at begin of ascent simulation
247
ce869aad7440 BUGFIX Count gas switch delay down during ascent (bug bb26)
JeanDo
parents: 241
diff changeset
1072 sim_dive_mins = int_I_divemins; // Init current time.
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
1073
532
f5a06b9e2fef cleanup debug stuff
heinrichsweikamp
parents: 527
diff changeset
1074 gas_switch_find_current(); // Lookup for current gas & time.
f5a06b9e2fef cleanup debug stuff
heinrichsweikamp
parents: 527
diff changeset
1075 gas_switch_set(); // setup calc_ratio's
f5a06b9e2fef cleanup debug stuff
heinrichsweikamp
parents: 527
diff changeset
1076
247
ce869aad7440 BUGFIX Count gas switch delay down during ascent (bug bb26)
JeanDo
parents: 241
diff changeset
1077 backup_gas_used = sim_gas_last_used; // And save for later simu steps.
ce869aad7440 BUGFIX Count gas switch delay down during ascent (bug bb26)
JeanDo
parents: 241
diff changeset
1078 backup_gas_depth = sim_gas_last_depth; // And save for later simu steps.
203
2d9af08ed0ac BUGFIX Gas switch
JeanDo
parents: 201
diff changeset
1079 backup_gas_delay = sim_gas_delay;
186
57a654c199ae BUGFIX Gradient Factor algo.
JeanDo
parents: 185
diff changeset
1080
57a654c199ae BUGFIX Gradient Factor algo.
JeanDo
parents: 185
diff changeset
1081 sim_ascent_to_first_stop();
201
e5c484d59a91 Gas switch debugging...
JeanDo
parents: 200
diff changeset
1082
312
b7e4e74c0e17 New @5 variant: compute TTS if staying some extra time (CF58) at current depth.
JeanDo
parents: 310
diff changeset
1083 // Calc stops next time (deco or gas switch).
b7e4e74c0e17 New @5 variant: compute TTS if staying some extra time (CF58) at current depth.
JeanDo
parents: 310
diff changeset
1084 char_O_deco_status = 1 | ( char_O_deco_status & 4 );
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1085 break;
169
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1086
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1087 case 1: //---- Simulate stops --------------------------------------------
312
b7e4e74c0e17 New @5 variant: compute TTS if staying some extra time (CF58) at current depth.
JeanDo
parents: 310
diff changeset
1088 case 5: // @+5 variation.
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1089 calc_hauptroutine_calc_deco();
186
57a654c199ae BUGFIX Gradient Factor algo.
JeanDo
parents: 185
diff changeset
1090
57a654c199ae BUGFIX Gradient Factor algo.
JeanDo
parents: 185
diff changeset
1091 // If simulation is finished, restore the GF low reference, so that
57a654c199ae BUGFIX Gradient Factor algo.
JeanDo
parents: 185
diff changeset
1092 // next ascent simulation is done from the current depth:
312
b7e4e74c0e17 New @5 variant: compute TTS if staying some extra time (CF58) at current depth.
JeanDo
parents: 310
diff changeset
1093 if( (char_O_deco_status & 3) == 0 )
186
57a654c199ae BUGFIX Gradient Factor algo.
JeanDo
parents: 185
diff changeset
1094 {
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
1095 sim_gas_last_used = backup_gas_used;
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
1096 sim_gas_last_depth = backup_gas_depth;
247
ce869aad7440 BUGFIX Count gas switch delay down during ascent (bug bb26)
JeanDo
parents: 241
diff changeset
1097 sim_gas_delay = backup_gas_delay;
186
57a654c199ae BUGFIX Gradient Factor algo.
JeanDo
parents: 185
diff changeset
1098 }
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1099 break;
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1100 }
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1101
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1102 }
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1103
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1104 //////////////////////////////////////////////////////////////////////////////
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1105 // calc_hauptroutine_data_input
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1106 //
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1107 // Reset all C-code dive parameters from their ASM-code values.
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1108 // Detect gas change condition.
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1109 //
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1110 void calc_hauptroutine_data_input(void)
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1111 {
203
2d9af08ed0ac BUGFIX Gas switch
JeanDo
parents: 201
diff changeset
1112 overlay short int_temp;
511
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1113 overlay unsigned char g;
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1114
197
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
1115 pres_respiration = int_I_pres_respiration * 0.001;
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
1116 pres_surface = int_I_pres_surface * 0.001;
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
1117 N2_ratio = char_I_N2_ratio * 0.01;
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
1118 He_ratio = char_I_He_ratio * 0.01;
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
1119 float_deco_distance = char_I_deco_distance * 0.01; // Get offset is in mbar.
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1120
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1121 // ____________________________________________________
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1122 //
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1123 // _____________ G A S _ C H A N G E S ________________
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1124 // ____________________________________________________
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1125
212
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
1126 // Keep a margin of 150mbar = 1.50m
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
1127 int_temp = (int_I_pres_respiration - int_I_pres_surface)
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
1128 + MBAR_REACH_GASCHANGE_AUTO_CHANGE_OFF;
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1129
203
2d9af08ed0ac BUGFIX Gas switch
JeanDo
parents: 201
diff changeset
1130 // Gas are selectable if we did not pass the change depth by more than 1.50m:
511
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1131 for(g=0; g < NUM_GAS; ++g)
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1132 {
511
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1133 deco_gas_change[g] = 0;
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1134 if(char_I_deco_gas_change[g])
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1135 if( int_temp > 100 *(short)char_I_deco_gas_change[g] )
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1136 deco_gas_change[g] = char_I_deco_gas_change[g];
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1137 }
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1138
197
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
1139 const_ppO2 = char_I_const_ppO2 * 0.01;
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
1140 float_desaturation_multiplier = char_I_desaturation_multiplier * 0.01;
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
1141 float_saturation_multiplier = char_I_saturation_multiplier * 0.01;
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
1142 GF_low = char_I_GF_Low_percentage * 0.01;
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
1143 GF_high = char_I_GF_High_percentage * 0.01;
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1144 GF_delta = GF_high - GF_low;
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1145 }
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1146
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1147 //////////////////////////////////////////////////////////////////////////////
171
7f3e1bf588bc More p2_deco.c cleanups
JeanDo
parents: 169
diff changeset
1148 //
7f3e1bf588bc More p2_deco.c cleanups
JeanDo
parents: 169
diff changeset
1149 //
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1150 void calc_hauptroutine_update_tissues(void)
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1151 {
197
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
1152 assert( 0.00 <= N2_ratio && N2_ratio <= 1.00 );
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
1153 assert( 0.00 <= He_ratio && He_ratio <= 1.00 );
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
1154 assert( (N2_ratio + He_ratio) <= 0.95 );
237
55178aa1f972 Hunting for NoFly bug...
JeanDo
parents: 236
diff changeset
1155 assert( 0.800 < pres_respiration && pres_respiration < 14.0 );
197
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
1156
276
02303915c199 BUGFIX CF16 applyed to diluant in CCR mode.
JeanDo
parents: 275
diff changeset
1157 pres_diluent = pres_respiration;
307
5bc3467fc421 New live EAD/END in divemode (both OCR and CCR).
JeanDo
parents: 302
diff changeset
1158 if( char_I_const_ppO2 != 0 ) // new in v.101
186
57a654c199ae BUGFIX Gradient Factor algo.
JeanDo
parents: 185
diff changeset
1159 {
322
676d18bce8d7 Fix ppO2[flush] display in customview.
JeanDo
parents: 321
diff changeset
1160 overlay float flush_ppO2 = pres_respiration * (1.0 - N2_ratio - He_ratio);
676d18bce8d7 Fix ppO2[flush] display in customview.
JeanDo
parents: 321
diff changeset
1161
276
02303915c199 BUGFIX CF16 applyed to diluant in CCR mode.
JeanDo
parents: 275
diff changeset
1162 pres_diluent -= const_ppO2; // new in v.101
02303915c199 BUGFIX CF16 applyed to diluant in CCR mode.
JeanDo
parents: 275
diff changeset
1163 pres_diluent /= N2_ratio + He_ratio; // new in v.101
321
a99073445c18 Cleanup auto setpoint switch
JeanDo
parents: 317
diff changeset
1164 if( pres_diluent < 0.0 )
a99073445c18 Cleanup auto setpoint switch
JeanDo
parents: 317
diff changeset
1165 pres_diluent = 0.0;
276
02303915c199 BUGFIX CF16 applyed to diluant in CCR mode.
JeanDo
parents: 275
diff changeset
1166 if( pres_diluent > pres_respiration ) // new in v.101
02303915c199 BUGFIX CF16 applyed to diluant in CCR mode.
JeanDo
parents: 275
diff changeset
1167 pres_diluent = pres_respiration; // new in v.101
307
5bc3467fc421 New live EAD/END in divemode (both OCR and CCR).
JeanDo
parents: 302
diff changeset
1168
321
a99073445c18 Cleanup auto setpoint switch
JeanDo
parents: 317
diff changeset
1169 char_O_diluent = (unsigned char)(pres_diluent/pres_respiration*100.0 + 0.5);
322
676d18bce8d7 Fix ppO2[flush] display in customview.
JeanDo
parents: 321
diff changeset
1170
326
a7ed48daf597 Fix minor rounding error in ppO2[flush].
JeanDo
parents: 323
diff changeset
1171 if( flush_ppO2 > 2.545) flush_ppO2 = 2.55;
322
676d18bce8d7 Fix ppO2[flush] display in customview.
JeanDo
parents: 321
diff changeset
1172 if( flush_ppO2 < 0.0 ) flush_ppO2 = 0.0;
676d18bce8d7 Fix ppO2[flush] display in customview.
JeanDo
parents: 321
diff changeset
1173 char_O_flush_ppO2 = (unsigned char)(flush_ppO2*100.0 + 0.5);
186
57a654c199ae BUGFIX Gradient Factor algo.
JeanDo
parents: 185
diff changeset
1174 }
307
5bc3467fc421 New live EAD/END in divemode (both OCR and CCR).
JeanDo
parents: 302
diff changeset
1175
310
b20fc8c4ac92 Fix EAD/END display (not mm, m with a trailling space)
JeanDo
parents: 307
diff changeset
1176 if( pres_diluent > ppWater ) // new in v.101
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1177 {
307
5bc3467fc421 New live EAD/END in divemode (both OCR and CCR).
JeanDo
parents: 302
diff changeset
1178 overlay float EAD, END;
5bc3467fc421 New live EAD/END in divemode (both OCR and CCR).
JeanDo
parents: 302
diff changeset
1179
310
b20fc8c4ac92 Fix EAD/END display (not mm, m with a trailling space)
JeanDo
parents: 307
diff changeset
1180 ppN2 = N2_ratio * (pres_diluent - ppWater); // changed in v.101
b20fc8c4ac92 Fix EAD/END display (not mm, m with a trailling space)
JeanDo
parents: 307
diff changeset
1181 ppHe = He_ratio * (pres_diluent - ppWater); // changed in v.101
307
5bc3467fc421 New live EAD/END in divemode (both OCR and CCR).
JeanDo
parents: 302
diff changeset
1182
5bc3467fc421 New live EAD/END in divemode (both OCR and CCR).
JeanDo
parents: 302
diff changeset
1183 // EAD : Equivalent Air Dive. Equivalent depth for the same N2 level
5bc3467fc421 New live EAD/END in divemode (both OCR and CCR).
JeanDo
parents: 302
diff changeset
1184 // with plain air.
310
b20fc8c4ac92 Fix EAD/END display (not mm, m with a trailling space)
JeanDo
parents: 307
diff changeset
1185 // ppN2 = 79% * (P_EAD - ppWater)
307
5bc3467fc421 New live EAD/END in divemode (both OCR and CCR).
JeanDo
parents: 302
diff changeset
1186 // EAD = (P_EAD - Psurface) * 10
310
b20fc8c4ac92 Fix EAD/END display (not mm, m with a trailling space)
JeanDo
parents: 307
diff changeset
1187 // ie: EAD = (ppN2 / 0.7902 + ppWater -Psurface) * 10
317
1de9eee3837b Minor cleanup in depth convertion for EAD/END.
JeanDo
parents: 312
diff changeset
1188 EAD = (ppN2 / 0.7902 + ppWater - pres_surface) * BAR_TO_METER;
307
5bc3467fc421 New live EAD/END in divemode (both OCR and CCR).
JeanDo
parents: 302
diff changeset
1189 if( EAD < 0.0 || EAD > 245.5 ) EAD = 0.0;
317
1de9eee3837b Minor cleanup in depth convertion for EAD/END.
JeanDo
parents: 312
diff changeset
1190 char_O_EAD = (unsigned char)(EAD + 0.5);
307
5bc3467fc421 New live EAD/END in divemode (both OCR and CCR).
JeanDo
parents: 302
diff changeset
1191
5bc3467fc421 New live EAD/END in divemode (both OCR and CCR).
JeanDo
parents: 302
diff changeset
1192 // END : Equivalent Narcotic Dive.
5bc3467fc421 New live EAD/END in divemode (both OCR and CCR).
JeanDo
parents: 302
diff changeset
1193 // Here we count O2 as narcotic too. Hence everything but helium (has a narcosis factor of
5bc3467fc421 New live EAD/END in divemode (both OCR and CCR).
JeanDo
parents: 302
diff changeset
1194 // 0.23 btw). Hence the formula becomes:
310
b20fc8c4ac92 Fix EAD/END display (not mm, m with a trailling space)
JeanDo
parents: 307
diff changeset
1195 // END * BarPerMeter * (1.0 - 0.0) - ppWater + Psurface == Pambient - ppHe - ppWater
317
1de9eee3837b Minor cleanup in depth convertion for EAD/END.
JeanDo
parents: 312
diff changeset
1196 // ie: END = (Pambient - ppHe - Psurface) * BAR_TO_METER
307
5bc3467fc421 New live EAD/END in divemode (both OCR and CCR).
JeanDo
parents: 302
diff changeset
1197 //
5bc3467fc421 New live EAD/END in divemode (both OCR and CCR).
JeanDo
parents: 302
diff changeset
1198 // Source cited:
5bc3467fc421 New live EAD/END in divemode (both OCR and CCR).
JeanDo
parents: 302
diff changeset
1199 // The Physiology and Medicine of Diving by Peter Bennett and David Elliott,
5bc3467fc421 New live EAD/END in divemode (both OCR and CCR).
JeanDo
parents: 302
diff changeset
1200 // 4th edition, 1993, W.B.Saunders Company Ltd, London.
317
1de9eee3837b Minor cleanup in depth convertion for EAD/END.
JeanDo
parents: 312
diff changeset
1201 END = (pres_respiration - ppHe - pres_surface) * BAR_TO_METER;
307
5bc3467fc421 New live EAD/END in divemode (both OCR and CCR).
JeanDo
parents: 302
diff changeset
1202 if( END < 0.0 || END > 245.5 ) END = 0.0;
317
1de9eee3837b Minor cleanup in depth convertion for EAD/END.
JeanDo
parents: 312
diff changeset
1203 char_O_END = (unsigned char)(END + 0.5);
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1204 }
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1205 else // new in v.101
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1206 {
236
3dbeacf42e9e BUGFIX missing deko init in reboot code.
JeanDo
parents: 235
diff changeset
1207 ppN2 = 0.0; // new in v.101
200
0a3ca358c684 BUGFIX clear decotable at begin of simulator mode.
JeanDo
parents: 197
diff changeset
1208 ppHe = 0.0; // new in v.101
307
5bc3467fc421 New live EAD/END in divemode (both OCR and CCR).
JeanDo
parents: 302
diff changeset
1209 char_O_EAD = char_O_END = 0;
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1210 }
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1211
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1212 if(!char_I_step_is_1min)
192
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1213 calc_tissue(0);
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1214 else
192
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1215 calc_tissue(1);
186
57a654c199ae BUGFIX Gradient Factor algo.
JeanDo
parents: 185
diff changeset
1216
192
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1217 // Calc limit for surface, ie. GF_high.
258
abbf9a2c2c48 Small p2_deco optimizations:
JeanDo
parents: 257
diff changeset
1218 calc_limit();
186
57a654c199ae BUGFIX Gradient Factor algo.
JeanDo
parents: 185
diff changeset
1219
203
2d9af08ed0ac BUGFIX Gas switch
JeanDo
parents: 201
diff changeset
1220 int_O_gtissue_limit = (short)(calc_lead_tissue_limit * 1000);
339
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
1221 int_O_gtissue_press = (short)((pres_tissue_N2[char_O_gtissue_no] + pres_tissue_He[char_O_gtissue_no]) * 1000);
171
7f3e1bf588bc More p2_deco.c cleanups
JeanDo
parents: 169
diff changeset
1222 }
7f3e1bf588bc More p2_deco.c cleanups
JeanDo
parents: 169
diff changeset
1223
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1224
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1225 //////////////////////////////////////////////////////////////////////////////
169
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1226 // Compute stops.
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1227 //
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1228 // Note: because this can be very long, break on 16 iterations, and set state
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1229 // to 0 when finished, or to 1 when needing to continue.
334
4ccdc72ec0e5 BUGFIX minor error in gas-switch algo (spurious surface decostop rarely added).
JeanDo
parents: 326
diff changeset
1230 // Note: because each iteration might be very long too (~ 66 ms in 1.84beta),
257
f8f869bafd92 Use timer TMR3 to limit loops in calc_hauptroutine_calc_deco()
JeanDo
parents: 252
diff changeset
1231 // break the loop when total time > 512msec.
169
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1232 //
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1233 void calc_hauptroutine_calc_deco(void)
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1234 {
169
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1235 overlay unsigned char loop;
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1236
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1237 for(loop = 0; loop < 16; ++loop)
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1238 {
257
f8f869bafd92 Use timer TMR3 to limit loops in calc_hauptroutine_calc_deco()
JeanDo
parents: 252
diff changeset
1239 // Limit loops to 512ms, using the RTC timer 3:
f8f869bafd92 Use timer TMR3 to limit loops in calc_hauptroutine_calc_deco()
JeanDo
parents: 252
diff changeset
1240 if( tmr3() & (512*32) )
f8f869bafd92 Use timer TMR3 to limit loops in calc_hauptroutine_calc_deco()
JeanDo
parents: 252
diff changeset
1241 break;
f8f869bafd92 Use timer TMR3 to limit loops in calc_hauptroutine_calc_deco()
JeanDo
parents: 252
diff changeset
1242
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
1243 // Do not ascent while doing a gas switch ?
203
2d9af08ed0ac BUGFIX Gas switch
JeanDo
parents: 201
diff changeset
1244 if( sim_gas_delay <= sim_dive_mins )
2d9af08ed0ac BUGFIX Gas switch
JeanDo
parents: 201
diff changeset
1245 {
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
1246 if( calc_nextdecodepth() )
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
1247 {
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
1248 if( temp_depth_limit == 0 )
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
1249 goto Surface;
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1250
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
1251 //---- We hit a stop at temp_depth_limit ---------------------
317
1de9eee3837b Minor cleanup in depth convertion for EAD/END.
JeanDo
parents: 312
diff changeset
1252 temp_deco = temp_depth_limit * METER_TO_BAR // Convert to relative bar,
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
1253 + pres_surface; // To absolute.
471
5546da23afab BUGFIX infinite loop when deco table full.
JeanDo
parents: 461
diff changeset
1254 if( !update_deco_table() ) // Adds a one minute stops.
5546da23afab BUGFIX infinite loop when deco table full.
JeanDo
parents: 461
diff changeset
1255 goto Surface; // Deco table full: abort...
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
1256 }
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
1257 else
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
1258 {
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
1259 //---- No stop -----------------------------------------------
317
1de9eee3837b Minor cleanup in depth convertion for EAD/END.
JeanDo
parents: 312
diff changeset
1260 temp_deco -= (10*METER_TO_BAR); // Ascend 10m, no wait.
169
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1261
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
1262 //---- Finish computations once surface is reached -----------
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
1263 if( temp_deco <= pres_surface )
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
1264 {
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
1265 Surface:
471
5546da23afab BUGFIX infinite loop when deco table full.
JeanDo
parents: 461
diff changeset
1266 if( char_O_deco_status == 1 ) // Don't in @+5min variant.
312
b7e4e74c0e17 New @5 variant: compute TTS if staying some extra time (CF58) at current depth.
JeanDo
parents: 310
diff changeset
1267 copy_deco_table();
b7e4e74c0e17 New @5 variant: compute TTS if staying some extra time (CF58) at current depth.
JeanDo
parents: 310
diff changeset
1268
b7e4e74c0e17 New @5 variant: compute TTS if staying some extra time (CF58) at current depth.
JeanDo
parents: 310
diff changeset
1269 calc_ascenttime();
471
5546da23afab BUGFIX infinite loop when deco table full.
JeanDo
parents: 461
diff changeset
1270 char_O_deco_status = 0; // calc nullzeit next time.
5546da23afab BUGFIX infinite loop when deco table full.
JeanDo
parents: 461
diff changeset
1271 char_O_deco_last_stop = 0; // Surface reached (to animate menu)
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
1272 return;
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
1273 }
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
1274 }
212
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
1275 }
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
1276 else
334
4ccdc72ec0e5 BUGFIX minor error in gas-switch algo (spurious surface decostop rarely added).
JeanDo
parents: 326
diff changeset
1277 {
4ccdc72ec0e5 BUGFIX minor error in gas-switch algo (spurious surface decostop rarely added).
JeanDo
parents: 326
diff changeset
1278 // Note: if loop==0, temp_depth_limit might not be already set here.
4ccdc72ec0e5 BUGFIX minor error in gas-switch algo (spurious surface decostop rarely added).
JeanDo
parents: 326
diff changeset
1279 temp_depth_limit = (int)(0.5 + (temp_deco - pres_surface) * BAR_TO_METER);
471
5546da23afab BUGFIX infinite loop when deco table full.
JeanDo
parents: 461
diff changeset
1280 if( !update_deco_table() ) // Just pass one minute.
5546da23afab BUGFIX infinite loop when deco table full.
JeanDo
parents: 461
diff changeset
1281 goto Surface; // Deco table full: abort...
334
4ccdc72ec0e5 BUGFIX minor error in gas-switch algo (spurious surface decostop rarely added).
JeanDo
parents: 326
diff changeset
1282 }
197
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
1283
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
1284 //---- Then update tissue --------------------------------------------
203
2d9af08ed0ac BUGFIX Gas switch
JeanDo
parents: 201
diff changeset
1285 sim_dive_mins++; // Advance simulated time by 1 minute.
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
1286 gas_switch_set(); // Apply any simulated gas change, once validated.
212
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
1287 sim_alveolar_presures(); // Updates ppN2 and ppHe.
192
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1288 sim_tissue(1); // Simulate compartiments for 1 minute.
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1289 }
169
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1290
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1291 // Surface not reached, need more stops...
278
17aab4ca0547 BUGFIX CCR decoplan fails (bug bb42).
JeanDo
parents: 276
diff changeset
1292 char_O_deco_last_stop = temp_depth_limit; // Reached depth.
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1293 }
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1294
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1295 //////////////////////////////////////////////////////////////////////////////
169
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1296 // Simulation ascention to first deco stop.
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1297 //
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1298 // Note: because we ascent with a constant speed (10m/mn, ie. 1bar/mn),
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1299 // there is no need to break on more that 16 iterations
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1300 // (or we are already in deep shit).
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1301 //
334
4ccdc72ec0e5 BUGFIX minor error in gas-switch algo (spurious surface decostop rarely added).
JeanDo
parents: 326
diff changeset
1302 // Input: pres_respiration
4ccdc72ec0e5 BUGFIX minor error in gas-switch algo (spurious surface decostop rarely added).
JeanDo
parents: 326
diff changeset
1303 // Output: temp_deco
4ccdc72ec0e5 BUGFIX minor error in gas-switch algo (spurious surface decostop rarely added).
JeanDo
parents: 326
diff changeset
1304 //
312
b7e4e74c0e17 New @5 variant: compute TTS if staying some extra time (CF58) at current depth.
JeanDo
parents: 310
diff changeset
1305 // if char_O_deco_status indicate @+5 variant, add extra time at current depth,
b7e4e74c0e17 New @5 variant: compute TTS if staying some extra time (CF58) at current depth.
JeanDo
parents: 310
diff changeset
1306 // before ascent.
169
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1307 void sim_ascent_to_first_stop(void)
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1308 {
171
7f3e1bf588bc More p2_deco.c cleanups
JeanDo
parents: 169
diff changeset
1309 update_startvalues();
169
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1310 clear_deco_table();
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1311
200
0a3ca358c684 BUGFIX clear decotable at begin of simulator mode.
JeanDo
parents: 197
diff changeset
1312 temp_deco = pres_respiration; // Starts from current real depth.
169
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1313
312
b7e4e74c0e17 New @5 variant: compute TTS if staying some extra time (CF58) at current depth.
JeanDo
parents: 310
diff changeset
1314 // Are we doing the special @+5min variation ?
b7e4e74c0e17 New @5 variant: compute TTS if staying some extra time (CF58) at current depth.
JeanDo
parents: 310
diff changeset
1315 if(char_O_deco_status & 4)
b7e4e74c0e17 New @5 variant: compute TTS if staying some extra time (CF58) at current depth.
JeanDo
parents: 310
diff changeset
1316 sim_extra_time();
b7e4e74c0e17 New @5 variant: compute TTS if staying some extra time (CF58) at current depth.
JeanDo
parents: 310
diff changeset
1317
212
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
1318 // Do we have a gas switch going on ?
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
1319 if( sim_gas_delay > sim_dive_mins )
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
1320 return;
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
1321
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
1322 //---- Loop until first stop, gas switch, or surface is reached ----------
169
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1323 for(;;)
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1324 {
461
68d595db29a1 Minor fix checking first stop on surface
JeanDo
parents: 460
diff changeset
1325 overlay float old_deco = temp_deco; // Pamb backup (bars)
460
274689f46b1a BUGFIX round depth before checking surface
JeanDo
parents: 443
diff changeset
1326
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
1327 // Try ascending 1 full minute.
461
68d595db29a1 Minor fix checking first stop on surface
JeanDo
parents: 460
diff changeset
1328 temp_deco -= 10*METER_TO_BAR; // 1 min, at 10m/min. ~ 1bar.
68d595db29a1 Minor fix checking first stop on surface
JeanDo
parents: 460
diff changeset
1329 if( temp_deco < pres_surface ) // But don't go over surface.
68d595db29a1 Minor fix checking first stop on surface
JeanDo
parents: 460
diff changeset
1330 temp_deco = pres_surface;
203
2d9af08ed0ac BUGFIX Gas switch
JeanDo
parents: 201
diff changeset
1331
461
68d595db29a1 Minor fix checking first stop on surface
JeanDo
parents: 460
diff changeset
1332 // Recompute sim_lead_tissue_limit at GF_low (deepest stop), because
68d595db29a1 Minor fix checking first stop on surface
JeanDo
parents: 460
diff changeset
1333 // one minute passed.
212
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
1334 sim_limit(GF_low);
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
1335
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
1336 // Did we reach deepest remaining stop ?
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
1337 if( temp_deco < sim_lead_tissue_limit )
212
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
1338 {
461
68d595db29a1 Minor fix checking first stop on surface
JeanDo
parents: 460
diff changeset
1339 temp_deco = old_deco; // Restore last correct depth,
68d595db29a1 Minor fix checking first stop on surface
JeanDo
parents: 460
diff changeset
1340 break; // Do no spend a minute more.
212
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
1341 }
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
1342
203
2d9af08ed0ac BUGFIX Gas switch
JeanDo
parents: 201
diff changeset
1343 // Did we reach surface ?
460
274689f46b1a BUGFIX round depth before checking surface
JeanDo
parents: 443
diff changeset
1344 // NOTE: we should round BEFORE checking surface is reached.
461
68d595db29a1 Minor fix checking first stop on surface
JeanDo
parents: 460
diff changeset
1345 temp_depth_limit = (unsigned char)(0.5 + (temp_deco - pres_surface) * BAR_TO_METER);
68d595db29a1 Minor fix checking first stop on surface
JeanDo
parents: 460
diff changeset
1346 if( temp_depth_limit == 0 )
203
2d9af08ed0ac BUGFIX Gas switch
JeanDo
parents: 201
diff changeset
1347 {
2d9af08ed0ac BUGFIX Gas switch
JeanDo
parents: 201
diff changeset
1348 temp_deco = pres_surface; // Yes: finished !
2d9af08ed0ac BUGFIX Gas switch
JeanDo
parents: 201
diff changeset
1349 break;
2d9af08ed0ac BUGFIX Gas switch
JeanDo
parents: 201
diff changeset
1350 }
169
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1351
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
1352 // Check for gas change below new depth ?
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
1353 if( gas_switch_deepest() )
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
1354 {
334
4ccdc72ec0e5 BUGFIX minor error in gas-switch algo (spurious surface decostop rarely added).
JeanDo
parents: 326
diff changeset
1355 assert( temp_depth_limit > 0);
4ccdc72ec0e5 BUGFIX minor error in gas-switch algo (spurious surface decostop rarely added).
JeanDo
parents: 326
diff changeset
1356
317
1de9eee3837b Minor cleanup in depth convertion for EAD/END.
JeanDo
parents: 312
diff changeset
1357 temp_deco = temp_depth_limit * METER_TO_BAR + pres_surface;
212
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
1358 break;
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
1359 }
171
7f3e1bf588bc More p2_deco.c cleanups
JeanDo
parents: 169
diff changeset
1360
203
2d9af08ed0ac BUGFIX Gas switch
JeanDo
parents: 201
diff changeset
1361 sim_dive_mins++; // Advance simulated time by 1 minute.
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
1362 sim_alveolar_presures(); // temp_deco --> ppN2/ppHe
203
2d9af08ed0ac BUGFIX Gas switch
JeanDo
parents: 201
diff changeset
1363 sim_tissue(1); // and update tissues for 1 min.
2d9af08ed0ac BUGFIX Gas switch
JeanDo
parents: 201
diff changeset
1364 }
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1365 }
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1366
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1367 //////////////////////////////////////////////////////////////////////////////
312
b7e4e74c0e17 New @5 variant: compute TTS if staying some extra time (CF58) at current depth.
JeanDo
parents: 310
diff changeset
1368 // Simulation extra time at the current depth.
b7e4e74c0e17 New @5 variant: compute TTS if staying some extra time (CF58) at current depth.
JeanDo
parents: 310
diff changeset
1369 //
b7e4e74c0e17 New @5 variant: compute TTS if staying some extra time (CF58) at current depth.
JeanDo
parents: 310
diff changeset
1370 // This routine is used for @+5min feature.
b7e4e74c0e17 New @5 variant: compute TTS if staying some extra time (CF58) at current depth.
JeanDo
parents: 310
diff changeset
1371 void sim_extra_time(void)
b7e4e74c0e17 New @5 variant: compute TTS if staying some extra time (CF58) at current depth.
JeanDo
parents: 310
diff changeset
1372 {
b7e4e74c0e17 New @5 variant: compute TTS if staying some extra time (CF58) at current depth.
JeanDo
parents: 310
diff changeset
1373 overlay unsigned char extra = read_custom_function(58);
b7e4e74c0e17 New @5 variant: compute TTS if staying some extra time (CF58) at current depth.
JeanDo
parents: 310
diff changeset
1374 do {
b7e4e74c0e17 New @5 variant: compute TTS if staying some extra time (CF58) at current depth.
JeanDo
parents: 310
diff changeset
1375 sim_dive_mins++; // Advance simulated time by 1 minute.
b7e4e74c0e17 New @5 variant: compute TTS if staying some extra time (CF58) at current depth.
JeanDo
parents: 310
diff changeset
1376 sim_tissue(1); // and update tissues for 1 min.
b7e4e74c0e17 New @5 variant: compute TTS if staying some extra time (CF58) at current depth.
JeanDo
parents: 310
diff changeset
1377 } while( --extra != 0 );
b7e4e74c0e17 New @5 variant: compute TTS if staying some extra time (CF58) at current depth.
JeanDo
parents: 310
diff changeset
1378 }
b7e4e74c0e17 New @5 variant: compute TTS if staying some extra time (CF58) at current depth.
JeanDo
parents: 310
diff changeset
1379
b7e4e74c0e17 New @5 variant: compute TTS if staying some extra time (CF58) at current depth.
JeanDo
parents: 310
diff changeset
1380 //////////////////////////////////////////////////////////////////////////////
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1381 // calc_tissue
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1382 //
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1383 // optimized in v.101
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1384 //
184
016c45a0caaf Enable to compile p2_deco.c on other platforms.
JeanDo
parents: 171
diff changeset
1385 static void calc_tissue(PARAMETER unsigned char period)
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1386 {
251
f0cba9cff25c Still hunting for bb13...
JeanDo
parents: 247
diff changeset
1387 assert( 0.00 <= ppN2 && ppN2 < 11.2 ); // 80% N2 at 130m
f0cba9cff25c Still hunting for bb13...
JeanDo
parents: 247
diff changeset
1388 assert( 0.00 <= ppHe && ppHe < 12.6 ); // 90% He at 130m
236
3dbeacf42e9e BUGFIX missing deko init in reboot code.
JeanDo
parents: 235
diff changeset
1389
338
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
JeanDo
parents: 334
diff changeset
1390 for (ci=0;ci<NUM_COMP;ci++)
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1391 {
258
abbf9a2c2c48 Small p2_deco optimizations:
JeanDo
parents: 257
diff changeset
1392 read_buhlmann_times(period); // 2 sec or 1 min period.
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1393
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1394 // N2
339
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
1395 temp_tissue = (ppN2 - pres_tissue_N2[ci]) * var_N2_e;
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1396 temp_tissue_safety();
339
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
1397 pres_tissue_N2[ci] += temp_tissue;
165
8b5b848db4cd + Clean Buhlmann tables addressing
JeanDo
parents: 164
diff changeset
1398
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1399 // He
339
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
1400 temp_tissue = (ppHe - pres_tissue_He[ci]) * var_He_e;
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1401 temp_tissue_safety();
339
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
1402 pres_tissue_He[ci] += temp_tissue;
192
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1403 }
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1404 }
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1405
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1406 //////////////////////////////////////////////////////////////////////////////
192
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1407 // calc_limit
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1408 //
192
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1409 // New in v.111 : separated from calc_tissue(), and depends on GF value.
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1410 //
258
abbf9a2c2c48 Small p2_deco optimizations:
JeanDo
parents: 257
diff changeset
1411 static void calc_limit(void)
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1412 {
192
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1413 char_O_gtissue_no = 255;
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1414 calc_lead_tissue_limit = 0.0;
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1415
338
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
JeanDo
parents: 334
diff changeset
1416 for(ci=0; ci<NUM_COMP;ci++)
192
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1417 {
339
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
1418 overlay float N2 = pres_tissue_N2[ci];
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
1419 overlay float He = pres_tissue_He[ci];
293
e0083f259552 BUGFIX char_O_gradient_factor calculation in GF model.
JeanDo
parents: 292
diff changeset
1420 overlay float p = N2 + He;
192
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1421
258
abbf9a2c2c48 Small p2_deco optimizations:
JeanDo
parents: 257
diff changeset
1422 read_buhlmann_coefficients();
293
e0083f259552 BUGFIX char_O_gradient_factor calculation in GF model.
JeanDo
parents: 292
diff changeset
1423 var_N2_a = (var_N2_a * N2 + var_He_a * He) / p;
e0083f259552 BUGFIX char_O_gradient_factor calculation in GF model.
JeanDo
parents: 292
diff changeset
1424 var_N2_b = (var_N2_b * N2 + var_He_b * He) / p;
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1425
192
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1426 // Apply the Eric Baker's varying gradient factor correction.
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1427 // Note: the correction factor depends both on GF and b,
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1428 // Actual values are in the 1.5 .. 1.0 range (for a GF=30%),
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1429 // so that can change who is the leading gas...
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1430 // Note: Also depends of the GF. So the calcul is different for
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1431 // GF_low, current GF, or GF_high...
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1432 // *BUT* calc_tissue() is used to compute bottom time,
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1433 // hence what would happend at surface,
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1434 // hence at GF_high.
509
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
JeanDo
parents: 491
diff changeset
1435 if( char_I_deco_model != 0 )
258
abbf9a2c2c48 Small p2_deco optimizations:
JeanDo
parents: 257
diff changeset
1436 p = ( p - var_N2_a * GF_high) * var_N2_b
abbf9a2c2c48 Small p2_deco optimizations:
JeanDo
parents: 257
diff changeset
1437 / (GF_high + var_N2_b * (1.0 - GF_high));
192
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1438 else
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1439 p = (p - var_N2_a) * var_N2_b;
258
abbf9a2c2c48 Small p2_deco optimizations:
JeanDo
parents: 257
diff changeset
1440 if( p < 0.0 ) p = 0.0;
192
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1441
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1442 if( p > calc_lead_tissue_limit )
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1443 {
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1444 char_O_gtissue_no = ci;
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1445 calc_lead_tissue_limit = p;
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1446 }
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1447 }
197
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
1448
338
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
JeanDo
parents: 334
diff changeset
1449 assert( char_O_gtissue_no < NUM_COMP );
197
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
1450 assert( 0.0 <= calc_lead_tissue_limit && calc_lead_tissue_limit <= 14.0);
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1451 }
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1452
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1453 //////////////////////////////////////////////////////////////////////////////
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1454 // calc_nullzeit
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1455 //
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1456 // calculates the remaining bottom time
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1457 //
511
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1458 // NOTE: Erik Baker's closed formula works for Nitroxes. Trimix adds a second
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1459 // exponential term to the M-value equation, making it impossible to
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1460 // invert... So we have to make a fast-simu until we find a better way.
509
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
JeanDo
parents: 491
diff changeset
1461 //
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
JeanDo
parents: 491
diff changeset
1462 // Input: pres_respiration
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
JeanDo
parents: 491
diff changeset
1463 // Output: char_O_nullzeit
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1464 //
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1465 static void calc_nullzeit(void)
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1466 {
511
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1467 //---- Compute ppN2 and ppHe ---------------------------------------------
509
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
JeanDo
parents: 491
diff changeset
1468 temp_deco = pres_respiration;
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
JeanDo
parents: 491
diff changeset
1469 sim_alveolar_presures();
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1470
509
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
JeanDo
parents: 491
diff changeset
1471 char_O_nullzeit = 240;
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
JeanDo
parents: 491
diff changeset
1472 for(ci=0; ci<NUM_COMP; ci++)
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
JeanDo
parents: 491
diff changeset
1473 {
511
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1474 //---- Read A/B values and loading factor for N2 and He --------------
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1475 overlay float tN2 = pres_tissue_N2[ci];
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1476 overlay float tHe = pres_tissue_He[ci];
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1477 overlay float t = tN2 + tHe;
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1478 overlay unsigned char ndl;
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1479 overlay unsigned char period = 10;
192
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1480
509
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
JeanDo
parents: 491
diff changeset
1481 read_buhlmann_coefficients();
511
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1482 read_buhlmann_times(2); // Starts with a 10min period.
509
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
JeanDo
parents: 491
diff changeset
1483
511
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1484 //---- Simulate for that tissue --------------------------------------
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1485 // NOTE: No need to simulate for longuer than the already found NDL.
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1486 for(ndl=0; ndl<char_O_nullzeit;)
509
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
JeanDo
parents: 491
diff changeset
1487 {
511
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1488 //---- Compute updated mix M-value at surface
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1489 overlay float a = (var_N2_a * tN2 + var_He_a * tHe) / t;
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1490 overlay float b = (var_N2_b * tN2 + var_He_b * tHe) / t;
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1491 overlay float M0 = (a + pres_surface/b);
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1492
511
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1493 //---- Add 10min/1min to N2/He tissues
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1494 overlay float dTN2 = (ppN2 - tN2) * var_N2_e;
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1495 overlay float dTHe = (ppHe - tHe) * var_He_e;
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1496
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1497 //---- Apply security margin when using the non-GF model
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1498 if( char_I_deco_model == 0 )
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1499 {
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1500 dTN2 *= float_saturation_multiplier;
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1501 dTHe *= float_saturation_multiplier;
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1502 }
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1503 else // Or GF-based model
509
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
JeanDo
parents: 491
diff changeset
1504 M0 = GF_high * (M0 - pres_surface) + pres_surface;
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1505
511
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1506 //---- Simulate off-gasing while going to surface
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1507 // TODO !
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1508 // dTN2 -= exp( ... ascent time ... ppN2...)
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1509 // dTHe -= exp( ... ascent time ... ppHe...)
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1510
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1511 //---- Still ok to surface after 1 or 10 minutes ?
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1512 if( t + dTN2 + dTHe <= M0 )
509
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
JeanDo
parents: 491
diff changeset
1513 {
511
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1514 tN2 += dTN2; // YES: apply gas loadings,
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1515 tHe += dTHe;
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1516 t = tN2 + tHe;
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1517 ndl += period; // increment NDL,
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1518 continue; // and loop.
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1519 }
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1520
511
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1521 //---- Should we retry with smaller steps ?
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1522 if( period == 10 )
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1523 {
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1524 read_buhlmann_times(1); // 1min coefs.
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1525 period = 1;
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1526 continue;
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1527 }
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1528
511
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1529 //---- ELSE make a linear approx for the last minute
524
6fa776a44768 BUGFIX spurious random NDL>0 during deco dive.
JeanDo
parents: 523
diff changeset
1530 // Usefull to have a meaningfull rounding of NDL.
6fa776a44768 BUGFIX spurious random NDL>0 during deco dive.
JeanDo
parents: 523
diff changeset
1531 // But ONLY it positive (negativ casted to unsigned is bad).
6fa776a44768 BUGFIX spurious random NDL>0 during deco dive.
JeanDo
parents: 523
diff changeset
1532 if( M0 > t )
6fa776a44768 BUGFIX spurious random NDL>0 during deco dive.
JeanDo
parents: 523
diff changeset
1533 ndl += (unsigned char)(0.5f + (M0-t)/(dTN2+dTHe));
511
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1534 break;
509
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
JeanDo
parents: 491
diff changeset
1535 }
511
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1536
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1537 // Keep the shortest NDL found
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1538 if( ndl < char_O_nullzeit )
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1539 char_O_nullzeit = ndl;
339
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
1540 }
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1541 }
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1542
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1543 //////////////////////////////////////////////////////////////////////////////
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1544 // calc_ascenttime
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1545 //
312
b7e4e74c0e17 New @5 variant: compute TTS if staying some extra time (CF58) at current depth.
JeanDo
parents: 310
diff changeset
1546 // Summup ascent from bottom to surface, at 1 bar/min, 1min for last 3 meters,
b7e4e74c0e17 New @5 variant: compute TTS if staying some extra time (CF58) at current depth.
JeanDo
parents: 310
diff changeset
1547 // and all stops.
b7e4e74c0e17 New @5 variant: compute TTS if staying some extra time (CF58) at current depth.
JeanDo
parents: 310
diff changeset
1548 //
b7e4e74c0e17 New @5 variant: compute TTS if staying some extra time (CF58) at current depth.
JeanDo
parents: 310
diff changeset
1549 // Result in int_O_ascenttime, or int_O_extra_ascenttime if in @+5min variant.
169
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1550 static void calc_ascenttime(void)
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1551 {
323
b7940978edc9 Fix "Future TTS" display customview.
JeanDo
parents: 322
diff changeset
1552 overlay unsigned char x;
b7940978edc9 Fix "Future TTS" display customview.
JeanDo
parents: 322
diff changeset
1553 overlay unsigned short sum;
168
494587193f5d Use 16bits for TTS sum.
JeanDo
parents: 167
diff changeset
1554
323
b7940978edc9 Fix "Future TTS" display customview.
JeanDo
parents: 322
diff changeset
1555 // + 0.7 to count 1 minute ascent time from 3 metre to surface
b7940978edc9 Fix "Future TTS" display customview.
JeanDo
parents: 322
diff changeset
1556 overlay float ascent = pres_respiration - pres_surface + 0.7;
b7940978edc9 Fix "Future TTS" display customview.
JeanDo
parents: 322
diff changeset
1557 if (ascent < 0.0)
b7940978edc9 Fix "Future TTS" display customview.
JeanDo
parents: 322
diff changeset
1558 ascent = 0.0;
b7940978edc9 Fix "Future TTS" display customview.
JeanDo
parents: 322
diff changeset
1559 sum = (unsigned short)(ascent + 0.99);
312
b7e4e74c0e17 New @5 variant: compute TTS if staying some extra time (CF58) at current depth.
JeanDo
parents: 310
diff changeset
1560
338
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
JeanDo
parents: 334
diff changeset
1561 for(x=0; x<NUM_STOPS && internal_deco_depth[x]; x++)
323
b7940978edc9 Fix "Future TTS" display customview.
JeanDo
parents: 322
diff changeset
1562 sum += (unsigned short)internal_deco_time[x];
b7940978edc9 Fix "Future TTS" display customview.
JeanDo
parents: 322
diff changeset
1563
b7940978edc9 Fix "Future TTS" display customview.
JeanDo
parents: 322
diff changeset
1564 if( char_O_deco_status == 1 )
b7940978edc9 Fix "Future TTS" display customview.
JeanDo
parents: 322
diff changeset
1565 int_O_ascenttime = sum;
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1566 else
323
b7940978edc9 Fix "Future TTS" display customview.
JeanDo
parents: 322
diff changeset
1567 int_O_extra_ascenttime = sum;
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1568 }
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1569
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1570 //////////////////////////////////////////////////////////////////////////////
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1571 // update_startvalues
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1572 //
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1573 // updated in v.102
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1574 //
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1575 void update_startvalues(void)
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1576 {
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1577 overlay unsigned char x;
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1578
201
e5c484d59a91 Gas switch debugging...
JeanDo
parents: 200
diff changeset
1579 // Start ascent simulation with current tissue partial pressures.
339
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
1580 for(x=0; x<NUM_COMP; x++)
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1581 {
339
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
1582 sim_pres_tissue_N2[x] = pres_tissue_N2[x];
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
1583 sim_pres_tissue_He[x] = pres_tissue_He[x];
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1584 }
197
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
1585
201
e5c484d59a91 Gas switch debugging...
JeanDo
parents: 200
diff changeset
1586 // No leading tissue (yet) for this ascent simulation.
197
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
1587 sim_lead_tissue_limit = 0.0;
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
1588 sim_lead_tissue_no = 255;
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1589 }
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1590
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1591 //////////////////////////////////////////////////////////////////////////////
192
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1592 // sim_tissue
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1593 //
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1594 // optimized in v.101
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1595 //
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1596 // Function very simular to calc_tissue, but:
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1597 // + Use a 1min or 10min period.
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1598 // + Do it on sim_pres_tissue, instead of pres_tissue.
184
016c45a0caaf Enable to compile p2_deco.c on other platforms.
JeanDo
parents: 171
diff changeset
1599 static void sim_tissue(PARAMETER unsigned char period)
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1600 {
251
f0cba9cff25c Still hunting for bb13...
JeanDo
parents: 247
diff changeset
1601 assert( 0.00 <= ppN2 && ppN2 < 11.2 ); // 80% N2 at 130m
f0cba9cff25c Still hunting for bb13...
JeanDo
parents: 247
diff changeset
1602 assert( 0.00 <= ppHe && ppHe < 12.6 ); // 90% He at 130m
236
3dbeacf42e9e BUGFIX missing deko init in reboot code.
JeanDo
parents: 235
diff changeset
1603
338
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
JeanDo
parents: 334
diff changeset
1604 for(ci=0; ci<NUM_COMP; ci++)
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1605 {
258
abbf9a2c2c48 Small p2_deco optimizations:
JeanDo
parents: 257
diff changeset
1606 read_buhlmann_times(period); // 1 or 10 minute(s) interval
165
8b5b848db4cd + Clean Buhlmann tables addressing
JeanDo
parents: 164
diff changeset
1607
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1608 // N2
339
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
1609 temp_tissue = (ppN2 - sim_pres_tissue_N2[ci]) * var_N2_e;
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1610 temp_tissue_safety();
339
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
1611 sim_pres_tissue_N2[ci] += temp_tissue;
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1612
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1613 // He
339
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
1614 temp_tissue = (ppHe - sim_pres_tissue_He[ci]) * var_He_e;
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1615 temp_tissue_safety();
339
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
1616 sim_pres_tissue_He[ci] += temp_tissue;
192
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1617 }
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1618 }
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1619
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1620 //////////////////////////////////////////////////////////////////////////////
192
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1621 // sim_limit()
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1622 //
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1623 // New in v.111
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1624 //
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1625 // Function separated from sim_tissue() to allow recomputing limit on
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1626 // different depth, because it depends on current gradient factor.
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1627 //
192
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1628 static void sim_limit(PARAMETER float GF_current)
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1629 {
212
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
1630 assert( 0.0 < GF_current && GF_current <= 1.0f);
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
1631
192
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1632 sim_lead_tissue_limit = 0.0;
212
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
1633 sim_lead_tissue_no = 0; // If no one is critic, keep first tissue.
192
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1634
338
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
JeanDo
parents: 334
diff changeset
1635 for(ci=0; ci<NUM_COMP; ci++)
192
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1636 {
339
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
1637 overlay float N2 = sim_pres_tissue_N2[ci];
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
1638 overlay float He = sim_pres_tissue_He[ci];
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
1639 overlay float p = N2 + He;
192
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1640
258
abbf9a2c2c48 Small p2_deco optimizations:
JeanDo
parents: 257
diff changeset
1641 read_buhlmann_coefficients();
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
1642 var_N2_a = (var_N2_a * N2 + var_He_a * He) / p;
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
1643 var_N2_b = (var_N2_b * N2 + var_He_b * He) / p;
192
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1644
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1645 // Apply the Eric Baker's varying gradient factor correction.
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1646 // Note: the correction factor depends both on GF and b,
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1647 // Actual values are in the 1.5 .. 1.0 range (for a GF=30%),
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1648 // so that can change who is the leading gas...
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1649 // Note: Also depends of the GF_current...
509
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
JeanDo
parents: 491
diff changeset
1650 if( char_I_deco_model != 0 )
302
36cc8f0c1d73 Minor corrections in assert conditions.
JeanDo
parents: 293
diff changeset
1651 p = ( p - var_N2_a * GF_current)
36cc8f0c1d73 Minor corrections in assert conditions.
JeanDo
parents: 293
diff changeset
1652 / (GF_current / var_N2_b + 1.0 - GF_current);
192
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1653 else
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1654 p = (p - var_N2_a) * var_N2_b;
237
55178aa1f972 Hunting for NoFly bug...
JeanDo
parents: 236
diff changeset
1655 if( p < 0.0 ) p = 0.0;
192
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1656
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1657 if( p > sim_lead_tissue_limit )
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1658 {
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1659 sim_lead_tissue_no = ci;
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1660 sim_lead_tissue_limit = p;
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1661 }
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1662 } // for ci
197
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
1663
338
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
JeanDo
parents: 334
diff changeset
1664 assert( sim_lead_tissue_no < NUM_COMP );
237
55178aa1f972 Hunting for NoFly bug...
JeanDo
parents: 236
diff changeset
1665 assert( 0.0 <= sim_lead_tissue_limit && sim_lead_tissue_limit <= 14.0 );
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1666 }
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1667
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1668 //////////////////////////////////////////////////////////////////////////////
169
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1669 // clear_deco_table
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1670 //
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1671 // unchanged in v.101
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1672 //
169
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1673 static void clear_deco_table(void)
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1674 {
169
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1675 overlay unsigned char x;
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1676
338
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
JeanDo
parents: 334
diff changeset
1677 for(x=0; x<NUM_STOPS; ++x)
169
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1678 {
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1679 internal_deco_time [x] = 0;
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1680 internal_deco_depth[x] = 0;
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1681 }
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1682 }
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1683
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1684 //////////////////////////////////////////////////////////////////////////////
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1685 // update_deco_table
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1686 //
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1687 // Add 1 min to current stop.
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1688 //
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1689 // Inputs:
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1690 // temp_depth_limit = stop's depth, in meters.
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1691 // In/Out:
275
4310ab395dbe Keep low_depth in float 32bits (w/o rounding) for a better stability.
JeanDo
parents: 270
diff changeset
1692 // internal_deco_depth[] : depth (in metres) of each stops.
169
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1693 // internal_deco_time [] : time (in minutes) of each stops.
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1694 //
471
5546da23afab BUGFIX infinite loop when deco table full.
JeanDo
parents: 461
diff changeset
1695 static unsigned char update_deco_table()
169
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1696 {
192
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1697 overlay unsigned char x;
247
ce869aad7440 BUGFIX Count gas switch delay down during ascent (bug bb26)
JeanDo
parents: 241
diff changeset
1698 assert( temp_depth_limit < 128 ); // Can't be negativ (overflown).
ce869aad7440 BUGFIX Count gas switch delay down during ascent (bug bb26)
JeanDo
parents: 241
diff changeset
1699 assert( temp_depth_limit > 0 ); // No stop at surface...
169
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1700
338
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
JeanDo
parents: 334
diff changeset
1701 for(x=0; x<NUM_STOPS; ++x)
192
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1702 {
212
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
1703 // Make sure deco-stops are recorded in order:
334
4ccdc72ec0e5 BUGFIX minor error in gas-switch algo (spurious surface decostop rarely added).
JeanDo
parents: 326
diff changeset
1704 assert( !internal_deco_depth[x] || temp_depth_limit <= (internal_deco_depth[x]& 0x7F) );
212
275befc5f39d Debug GF model (bug #11 & #12).
JeanDo
parents: 203
diff changeset
1705
279
8514588eb6a2 Mark gas-switch stops for decoplans, displayed in yellow.
JeanDo
parents: 278
diff changeset
1706 if( (internal_deco_depth[x] & 0x7F) == temp_depth_limit )
192
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1707 {
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1708 // Do not overflow (max 255')
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1709 if( internal_deco_time[x] < 255 )
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1710 {
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1711 internal_deco_time[x]++;
471
5546da23afab BUGFIX infinite loop when deco table full.
JeanDo
parents: 461
diff changeset
1712 return 1;
192
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1713 }
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1714 // But store extra in the next stop...
169
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1715 }
192
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1716
169
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1717 if( internal_deco_depth[x] == 0 )
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1718 {
192
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1719 internal_deco_depth[x] = temp_depth_limit;
279
8514588eb6a2 Mark gas-switch stops for decoplans, displayed in yellow.
JeanDo
parents: 278
diff changeset
1720 if( sim_gas_delay > sim_dive_mins )
8514588eb6a2 Mark gas-switch stops for decoplans, displayed in yellow.
JeanDo
parents: 278
diff changeset
1721 internal_deco_depth[x] |= 0x80;
8514588eb6a2 Mark gas-switch stops for decoplans, displayed in yellow.
JeanDo
parents: 278
diff changeset
1722
169
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1723 internal_deco_time[x] = 1;
471
5546da23afab BUGFIX infinite loop when deco table full.
JeanDo
parents: 461
diff changeset
1724 return 1;
169
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1725 }
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1726 }
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1727
192
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1728 // Can't store stops at more than 96m.
c8816e4bc724 GF Model
JeanDo
parents: 186
diff changeset
1729 // Or stops at less that 3m too.
169
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1730 // Just do nothing with that...
471
5546da23afab BUGFIX infinite loop when deco table full.
JeanDo
parents: 461
diff changeset
1731 return 0;
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1732 }
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1733
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1734 //////////////////////////////////////////////////////////////////////////////
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1735 // calc_gradient_factor
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1736 //
165
8b5b848db4cd + Clean Buhlmann tables addressing
JeanDo
parents: 164
diff changeset
1737 // optimized in v.101 (var_N2_a)
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1738 // new code in v.102
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1739 //
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1740 static void calc_gradient_factor(void)
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1741 {
197
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
1742 overlay float gf;
339
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
1743 overlay float N2 = pres_tissue_N2[char_O_gtissue_no];
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
1744 overlay float He = pres_tissue_He[char_O_gtissue_no];
237
55178aa1f972 Hunting for NoFly bug...
JeanDo
parents: 236
diff changeset
1745
338
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
JeanDo
parents: 334
diff changeset
1746 assert( char_O_gtissue_no < NUM_COMP );
237
55178aa1f972 Hunting for NoFly bug...
JeanDo
parents: 236
diff changeset
1747 assert( 0.800 <= pres_respiration && pres_respiration < 14.0 );
197
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
1748
293
e0083f259552 BUGFIX char_O_gradient_factor calculation in GF model.
JeanDo
parents: 292
diff changeset
1749 // tissue > respiration (currently off-gasing)
302
36cc8f0c1d73 Minor corrections in assert conditions.
JeanDo
parents: 293
diff changeset
1750 // GF = 0% when respiration == tissue, ie. bubbles are at equilibrium.
36cc8f0c1d73 Minor corrections in assert conditions.
JeanDo
parents: 293
diff changeset
1751 // GF = 100% when respiration == limit.
293
e0083f259552 BUGFIX char_O_gradient_factor calculation in GF model.
JeanDo
parents: 292
diff changeset
1752 temp_tissue = N2 + He;
e0083f259552 BUGFIX char_O_gradient_factor calculation in GF model.
JeanDo
parents: 292
diff changeset
1753 if( temp_tissue <= pres_respiration )
197
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
1754 gf = 0.0;
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
1755 else
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
1756 {
293
e0083f259552 BUGFIX char_O_gradient_factor calculation in GF model.
JeanDo
parents: 292
diff changeset
1757 overlay float limit = calc_lead_tissue_limit;
e0083f259552 BUGFIX char_O_gradient_factor calculation in GF model.
JeanDo
parents: 292
diff changeset
1758 // NOTE: in GF model, calc_lead_tissue_limit include already the
e0083f259552 BUGFIX char_O_gradient_factor calculation in GF model.
JeanDo
parents: 292
diff changeset
1759 // correction due to gradient factor. To compute the actual
e0083f259552 BUGFIX char_O_gradient_factor calculation in GF model.
JeanDo
parents: 292
diff changeset
1760 // current GF, we need to (re-)compute the raw ambiant-pressure
e0083f259552 BUGFIX char_O_gradient_factor calculation in GF model.
JeanDo
parents: 292
diff changeset
1761 // limit from the Bühlmann model.
509
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
JeanDo
parents: 491
diff changeset
1762 if( char_I_deco_model != 0 )
293
e0083f259552 BUGFIX char_O_gradient_factor calculation in GF model.
JeanDo
parents: 292
diff changeset
1763 {
e0083f259552 BUGFIX char_O_gradient_factor calculation in GF model.
JeanDo
parents: 292
diff changeset
1764 ci = char_O_gtissue_no;
e0083f259552 BUGFIX char_O_gradient_factor calculation in GF model.
JeanDo
parents: 292
diff changeset
1765 read_buhlmann_coefficients();
e0083f259552 BUGFIX char_O_gradient_factor calculation in GF model.
JeanDo
parents: 292
diff changeset
1766 var_N2_a = (var_N2_a * N2 + var_He_a * He) / temp_tissue;
e0083f259552 BUGFIX char_O_gradient_factor calculation in GF model.
JeanDo
parents: 292
diff changeset
1767 var_N2_b = (var_N2_b * N2 + var_He_b * He) / temp_tissue;
e0083f259552 BUGFIX char_O_gradient_factor calculation in GF model.
JeanDo
parents: 292
diff changeset
1768 limit = (temp_tissue - var_N2_a) * var_N2_b;
e0083f259552 BUGFIX char_O_gradient_factor calculation in GF model.
JeanDo
parents: 292
diff changeset
1769 }
e0083f259552 BUGFIX char_O_gradient_factor calculation in GF model.
JeanDo
parents: 292
diff changeset
1770
e0083f259552 BUGFIX char_O_gradient_factor calculation in GF model.
JeanDo
parents: 292
diff changeset
1771 gf = (temp_tissue - pres_respiration)
e0083f259552 BUGFIX char_O_gradient_factor calculation in GF model.
JeanDo
parents: 292
diff changeset
1772 / (temp_tissue - limit)
e0083f259552 BUGFIX char_O_gradient_factor calculation in GF model.
JeanDo
parents: 292
diff changeset
1773 * 100.0;
e0083f259552 BUGFIX char_O_gradient_factor calculation in GF model.
JeanDo
parents: 292
diff changeset
1774 if( gf > 254.5 ) gf = 255.0;
197
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
1775 if( gf < 0.0 ) gf = 0.0;
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
1776 }
293
e0083f259552 BUGFIX char_O_gradient_factor calculation in GF model.
JeanDo
parents: 292
diff changeset
1777 char_O_gradient_factor = (unsigned char)(gf+0.5f);
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1778
509
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
JeanDo
parents: 491
diff changeset
1779 if( char_I_deco_model != 0 ) // calculate relative gradient factor
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1780 {
197
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
1781 overlay float rgf;
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
1782
293
e0083f259552 BUGFIX char_O_gradient_factor calculation in GF model.
JeanDo
parents: 292
diff changeset
1783 if( low_depth < 1.5 )
197
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
1784 rgf = GF_high;
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
1785 else
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
1786 {
317
1de9eee3837b Minor cleanup in depth convertion for EAD/END.
JeanDo
parents: 312
diff changeset
1787 overlay float temp1 = low_depth * METER_TO_BAR;
197
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
1788 overlay float temp2 = pres_respiration - pres_surface;
186
57a654c199ae BUGFIX Gradient Factor algo.
JeanDo
parents: 185
diff changeset
1789
197
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
1790 if (temp2 <= 0)
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
1791 rgf = GF_high;
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
1792 else if (temp2 >= temp1)
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
1793 rgf = GF_low;
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
1794 else
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
1795 rgf = GF_low + (temp1 - temp2)/temp1*GF_delta;
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
1796 }
186
57a654c199ae BUGFIX Gradient Factor algo.
JeanDo
parents: 185
diff changeset
1797
197
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
1798 rgf = gf / rgf; // gf is already in percent
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
1799 if( rgf < 0.0 ) rgf = 0.0;
293
e0083f259552 BUGFIX char_O_gradient_factor calculation in GF model.
JeanDo
parents: 292
diff changeset
1800 if( rgf > 254.5 ) rgf = 255.0;
e0083f259552 BUGFIX char_O_gradient_factor calculation in GF model.
JeanDo
parents: 292
diff changeset
1801 char_O_relative_gradient_GF = (unsigned char)(rgf+0.5f);
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1802 } // calc relative gradient factor
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1803 else
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1804 {
186
57a654c199ae BUGFIX Gradient Factor algo.
JeanDo
parents: 185
diff changeset
1805 char_O_relative_gradient_GF = char_O_gradient_factor;
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1806 }
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1807 }
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1808
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1809 //////////////////////////////////////////////////////////////////////////////
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1810 // deco_calc_desaturation_time
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1811 //
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1812 // FIXED N2_ratio
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1813 // unchanged in v.101
310
b20fc8c4ac92 Fix EAD/END display (not mm, m with a trailling space)
JeanDo
parents: 307
diff changeset
1814 // Inputs: int_I_pres_surface, ppWater, char_I_desaturation_multiplier
233
2cbaa01dac26 Hunting for NoFly (bug BB13)... not found yet...
JeanDo
parents: 226
diff changeset
1815 // Outputs: int_O_desaturation_time, char_O_tissue_saturation[0..31]
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1816 //
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1817 void deco_calc_desaturation_time(void)
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1818 {
122
3003a8040b78 FIX again reset C data stack and frame pointer when entering C code.
JeanDo
parents: 116
diff changeset
1819 RESET_C_STACK
3003a8040b78 FIX again reset C data stack and frame pointer when entering C code.
JeanDo
parents: 116
diff changeset
1820
233
2cbaa01dac26 Hunting for NoFly (bug BB13)... not found yet...
JeanDo
parents: 226
diff changeset
1821 assert( 800 < int_I_pres_surface && int_I_pres_surface < 1100 );
2cbaa01dac26 Hunting for NoFly (bug BB13)... not found yet...
JeanDo
parents: 226
diff changeset
1822 assert( 0 < char_I_desaturation_multiplier && char_I_desaturation_multiplier <= 100 );
2cbaa01dac26 Hunting for NoFly (bug BB13)... not found yet...
JeanDo
parents: 226
diff changeset
1823
237
55178aa1f972 Hunting for NoFly bug...
JeanDo
parents: 236
diff changeset
1824 N2_ratio = 0.7902; // FIXED sum as stated in bühlmann
233
2cbaa01dac26 Hunting for NoFly (bug BB13)... not found yet...
JeanDo
parents: 226
diff changeset
1825 pres_surface = int_I_pres_surface * 0.001;
310
b20fc8c4ac92 Fix EAD/END display (not mm, m with a trailling space)
JeanDo
parents: 307
diff changeset
1826 ppN2 = N2_ratio * (pres_surface - ppWater);
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1827 int_O_desaturation_time = 0;
491
560764da0629 BUGFIX Surface desat factor missing for Interval planning in GF mode.
JeanDo
parents: 490
diff changeset
1828 float_desaturation_multiplier = char_I_desaturation_multiplier * (0.01 * SURFACE_DESAT_FACTOR);
233
2cbaa01dac26 Hunting for NoFly (bug BB13)... not found yet...
JeanDo
parents: 226
diff changeset
1829
339
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
1830 for(ci=0; ci<NUM_COMP; ci++)
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1831 {
251
f0cba9cff25c Still hunting for bb13...
JeanDo
parents: 247
diff changeset
1832 overlay unsigned short desat_time; // For a particular compartiment, in min.
f0cba9cff25c Still hunting for bb13...
JeanDo
parents: 247
diff changeset
1833 overlay float temp1;
f0cba9cff25c Still hunting for bb13...
JeanDo
parents: 247
diff changeset
1834 overlay float temp2;
f0cba9cff25c Still hunting for bb13...
JeanDo
parents: 247
diff changeset
1835 overlay float temp3;
f0cba9cff25c Still hunting for bb13...
JeanDo
parents: 247
diff changeset
1836 overlay float temp4;
338
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
JeanDo
parents: 334
diff changeset
1837
509
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
JeanDo
parents: 491
diff changeset
1838 read_buhlmann_ht();
338
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
JeanDo
parents: 334
diff changeset
1839
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1840 // saturation_time (for flight) and N2_saturation in multiples of halftime
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1841 // version v.100: 1.1 = 10 percent distance to totally clean (totally clean is not possible, would take infinite time )
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1842 // new in version v.101: 1.07 = 7 percent distance to totally clean (totally clean is not possible, would take infinite time )
260
bde83cac971f BUGFIX bb13 : deco_calc_desaturation_time() should reset TBLPTR Upper register.
JeanDo
parents: 258
diff changeset
1843 // changes in v.101: 1.05 = 5 percent dist to totally clean is new desaturation point for display and NoFly calculations
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1844 // N2
339
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
1845 temp1 = 1.05 * ppN2 - pres_tissue_N2[ci];
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
1846 temp2 = ppN2 - pres_tissue_N2[ci];
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1847 if (temp2 >= 0.0)
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1848 {
233
2cbaa01dac26 Hunting for NoFly (bug BB13)... not found yet...
JeanDo
parents: 226
diff changeset
1849 temp1 = 0.0;
2cbaa01dac26 Hunting for NoFly (bug BB13)... not found yet...
JeanDo
parents: 226
diff changeset
1850 temp2 = 0.0;
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1851 }
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1852 else
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1853 temp1 = temp1 / temp2;
251
f0cba9cff25c Still hunting for bb13...
JeanDo
parents: 247
diff changeset
1854 if( 0.0 < temp1 && temp1 < 1.0 )
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1855 {
260
bde83cac971f BUGFIX bb13 : deco_calc_desaturation_time() should reset TBLPTR Upper register.
JeanDo
parents: 258
diff changeset
1856 // 0.6931 is ln(2), because the math function log() calculates with a base of e not 2 as requested.
bde83cac971f BUGFIX bb13 : deco_calc_desaturation_time() should reset TBLPTR Upper register.
JeanDo
parents: 258
diff changeset
1857 // minus because log is negative.
bde83cac971f BUGFIX bb13 : deco_calc_desaturation_time() should reset TBLPTR Upper register.
JeanDo
parents: 258
diff changeset
1858 temp1 = log(1.0 - temp1) / -0.6931; // temp1 is the multiples of half times necessary.
509
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
JeanDo
parents: 491
diff changeset
1859 temp2 = var_N2_ht * temp1 / float_desaturation_multiplier; // time necessary (in minutes ) for complete desaturation (see comment about 5 percent) , new in v.101: float_desaturation_multiplier
260
bde83cac971f BUGFIX bb13 : deco_calc_desaturation_time() should reset TBLPTR Upper register.
JeanDo
parents: 258
diff changeset
1860
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1861 }
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1862 else
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1863 {
233
2cbaa01dac26 Hunting for NoFly (bug BB13)... not found yet...
JeanDo
parents: 226
diff changeset
1864 temp1 = 0.0;
2cbaa01dac26 Hunting for NoFly (bug BB13)... not found yet...
JeanDo
parents: 226
diff changeset
1865 temp2 = 0.0;
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1866 }
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1867
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1868 // He
339
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
1869 temp3 = 0.1 - pres_tissue_He[ci];
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1870 if (temp3 >= 0.0)
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1871 {
233
2cbaa01dac26 Hunting for NoFly (bug BB13)... not found yet...
JeanDo
parents: 226
diff changeset
1872 temp3 = 0.0;
2cbaa01dac26 Hunting for NoFly (bug BB13)... not found yet...
JeanDo
parents: 226
diff changeset
1873 temp4 = 0.0;
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1874 }
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1875 else
339
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
1876 temp3 = - temp3 / pres_tissue_He[ci];
251
f0cba9cff25c Still hunting for bb13...
JeanDo
parents: 247
diff changeset
1877 if( 0.0 < temp3 && temp3 < 1.0 )
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1878 {
260
bde83cac971f BUGFIX bb13 : deco_calc_desaturation_time() should reset TBLPTR Upper register.
JeanDo
parents: 258
diff changeset
1879 temp3 = log(1.0 - temp3) / -0.6931; // temp1 is the multiples of half times necessary.
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1880 // 0.6931 is ln(2), because the math function log() calculates with a base of e not 2 as requested.
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1881 // minus because log is negative
509
103051b4d9c1 NEW NDL analytic model (Erik Baker's formula)
JeanDo
parents: 491
diff changeset
1882 temp4 = var_He_ht * temp3 / float_desaturation_multiplier; // time necessary (in minutes ) for "complete" desaturation, new in v.101 float_desaturation_multiplier
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1883 }
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1884 else
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1885 {
233
2cbaa01dac26 Hunting for NoFly (bug BB13)... not found yet...
JeanDo
parents: 226
diff changeset
1886 temp3 = 0.0;
2cbaa01dac26 Hunting for NoFly (bug BB13)... not found yet...
JeanDo
parents: 226
diff changeset
1887 temp4 = 0.0;
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1888 }
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1889
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1890 // saturation_time (for flight)
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1891 if (temp4 > temp2)
203
2d9af08ed0ac BUGFIX Gas switch
JeanDo
parents: 201
diff changeset
1892 desat_time = (unsigned short)temp4;
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1893 else
203
2d9af08ed0ac BUGFIX Gas switch
JeanDo
parents: 201
diff changeset
1894 desat_time = (unsigned short)temp2;
252
8b252ff2eded Bug bb13 : strange failling assertion...
JeanDo
parents: 251
diff changeset
1895
251
f0cba9cff25c Still hunting for bb13...
JeanDo
parents: 247
diff changeset
1896 if(desat_time > int_O_desaturation_time)
f0cba9cff25c Still hunting for bb13...
JeanDo
parents: 247
diff changeset
1897 int_O_desaturation_time = desat_time;
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1898
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1899 // N2 saturation in multiples of halftime for display purposes
339
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
1900 temp2 = temp1 * 20.0; // 0 = 1/8, 120 = 0, 249 = 8
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
1901 temp2 = temp2 + 80.0; // set center
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1902 if (temp2 < 0.0)
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1903 temp2 = 0.0;
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1904 if (temp2 > 255.0)
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1905 temp2 = 255.0;
339
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
1906 char_O_tissue_N2_saturation[ci] = (char)temp2;
233
2cbaa01dac26 Hunting for NoFly (bug BB13)... not found yet...
JeanDo
parents: 226
diff changeset
1907
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1908 // He saturation in multiples of halftime for display purposes
339
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
1909 temp4 = temp3 * 20.0; // 0 = 1/8, 120 = 0, 249 = 8
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
1910 temp4 = temp4 + 80.0; // set center
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1911 if (temp4 < 0.0)
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1912 temp4 = 0.0;
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1913 if (temp4 > 255.0)
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1914 temp4 = 255.0;
339
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
1915 char_O_tissue_He_saturation[ci] = (char)temp4;
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1916 } // for
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1917 }
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1918
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1919 //////////////////////////////////////////////////////////////////////////////
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1920 // calc_wo_deco_step_1_min
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1921 //
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1922 // FIXED N2 Ratio
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1923 // optimized in v.101 (...saturation_multiplier)
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1924 // desaturation slowed down to 70,42%
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1925 //
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1926 static void calc_wo_deco_step_1_min(void)
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
1927 {
251
f0cba9cff25c Still hunting for bb13...
JeanDo
parents: 247
diff changeset
1928 assert( 800 < int_I_pres_surface && int_I_pres_surface < 1100 );
f0cba9cff25c Still hunting for bb13...
JeanDo
parents: 247
diff changeset
1929 assert( 800 < int_I_pres_respiration && int_I_pres_respiration < 1100 );
f0cba9cff25c Still hunting for bb13...
JeanDo
parents: 247
diff changeset
1930 assert( 100 <= char_I_saturation_multiplier && char_I_saturation_multiplier < 200 );
f0cba9cff25c Still hunting for bb13...
JeanDo
parents: 247
diff changeset
1931 assert( 0 < char_I_desaturation_multiplier && char_I_desaturation_multiplier <= 100 );
f0cba9cff25c Still hunting for bb13...
JeanDo
parents: 247
diff changeset
1932
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1933 N2_ratio = 0.7902; // FIXED, sum lt. buehlmann
368
de3b267e1fd9 Adding calc_dive_interval()
JeanDo
parents: 353
diff changeset
1934 pres_respiration = pres_surface = int_I_pres_surface * 0.001;
de3b267e1fd9 Adding calc_dive_interval()
JeanDo
parents: 353
diff changeset
1935 ppN2 = N2_ratio * (pres_respiration - ppWater);
200
0a3ca358c684 BUGFIX clear decotable at begin of simulator mode.
JeanDo
parents: 197
diff changeset
1936 ppHe = 0.0;
491
560764da0629 BUGFIX Surface desat factor missing for Interval planning in GF mode.
JeanDo
parents: 490
diff changeset
1937 float_desaturation_multiplier = char_I_desaturation_multiplier * (0.01 * SURFACE_DESAT_FACTOR);
197
f15e804ff67f Gas switch delay
JeanDo
parents: 193
diff changeset
1938 float_saturation_multiplier = char_I_saturation_multiplier * 0.01;
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1939
339
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
1940 calc_tissue(1); // update the pressure in the tissues N2/He in accordance with the new ambient pressure
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1941
169
e26f49674956 Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents: 168
diff changeset
1942 clear_deco_table();
200
0a3ca358c684 BUGFIX clear decotable at begin of simulator mode.
JeanDo
parents: 197
diff changeset
1943 char_O_deco_status = 3; // surface new in v.102 : stays in surface state.
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1944 char_O_nullzeit = 0;
168
494587193f5d Use 16bits for TTS sum.
JeanDo
parents: 167
diff changeset
1945 int_O_ascenttime = 0;
323
b7940978edc9 Fix "Future TTS" display customview.
JeanDo
parents: 322
diff changeset
1946 int_O_extra_ascenttime = 0;
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1947 calc_gradient_factor();
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1948 }
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1949
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1950 //////////////////////////////////////////////////////////////////////////////
368
de3b267e1fd9 Adding calc_dive_interval()
JeanDo
parents: 353
diff changeset
1951 // calc_dive_interval
de3b267e1fd9 Adding calc_dive_interval()
JeanDo
parents: 353
diff changeset
1952 //
de3b267e1fd9 Adding calc_dive_interval()
JeanDo
parents: 353
diff changeset
1953 // Prepare tissue for delay before the next dive simulation.
de3b267e1fd9 Adding calc_dive_interval()
JeanDo
parents: 353
diff changeset
1954 //
de3b267e1fd9 Adding calc_dive_interval()
JeanDo
parents: 353
diff changeset
1955 // Inputs: char_I_dive_interval == delay before dive (in 10' steps).
de3b267e1fd9 Adding calc_dive_interval()
JeanDo
parents: 353
diff changeset
1956 // Outputs: pres_tissue_N2/He[], CNS_fraction
de3b267e1fd9 Adding calc_dive_interval()
JeanDo
parents: 353
diff changeset
1957 //
de3b267e1fd9 Adding calc_dive_interval()
JeanDo
parents: 353
diff changeset
1958 // Should be protected by deco_push_tissues_to_vault(),
de3b267e1fd9 Adding calc_dive_interval()
JeanDo
parents: 353
diff changeset
1959 // deco_pull_tissues_from_vault()
de3b267e1fd9 Adding calc_dive_interval()
JeanDo
parents: 353
diff changeset
1960 //
de3b267e1fd9 Adding calc_dive_interval()
JeanDo
parents: 353
diff changeset
1961 // desaturation slowed down to 70,42%.
de3b267e1fd9 Adding calc_dive_interval()
JeanDo
parents: 353
diff changeset
1962 //
511
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
1963 static void calc_dive_interval(void)
368
de3b267e1fd9 Adding calc_dive_interval()
JeanDo
parents: 353
diff changeset
1964 {
de3b267e1fd9 Adding calc_dive_interval()
JeanDo
parents: 353
diff changeset
1965 overlay unsigned char t;
491
560764da0629 BUGFIX Surface desat factor missing for Interval planning in GF mode.
JeanDo
parents: 490
diff changeset
1966 overlay unsigned char backup_model;
368
de3b267e1fd9 Adding calc_dive_interval()
JeanDo
parents: 353
diff changeset
1967
de3b267e1fd9 Adding calc_dive_interval()
JeanDo
parents: 353
diff changeset
1968 //---- Initialize simulation parameters ----------------------------------
de3b267e1fd9 Adding calc_dive_interval()
JeanDo
parents: 353
diff changeset
1969 N2_ratio = 0.7902; // FIXED, sum lt. buehlmann
de3b267e1fd9 Adding calc_dive_interval()
JeanDo
parents: 353
diff changeset
1970 pres_respiration = pres_surface = int_I_pres_surface * 0.001;
de3b267e1fd9 Adding calc_dive_interval()
JeanDo
parents: 353
diff changeset
1971 ppN2 = N2_ratio * (pres_respiration - ppWater);
de3b267e1fd9 Adding calc_dive_interval()
JeanDo
parents: 353
diff changeset
1972 ppHe = 0.0;
491
560764da0629 BUGFIX Surface desat factor missing for Interval planning in GF mode.
JeanDo
parents: 490
diff changeset
1973 float_desaturation_multiplier = char_I_desaturation_multiplier * (0.01 * SURFACE_DESAT_FACTOR);
368
de3b267e1fd9 Adding calc_dive_interval()
JeanDo
parents: 353
diff changeset
1974 float_saturation_multiplier = char_I_saturation_multiplier * 0.01;
de3b267e1fd9 Adding calc_dive_interval()
JeanDo
parents: 353
diff changeset
1975
491
560764da0629 BUGFIX Surface desat factor missing for Interval planning in GF mode.
JeanDo
parents: 490
diff changeset
1976 // Make sure SURFACE_DESAT_FACTOR is applyed:
560764da0629 BUGFIX Surface desat factor missing for Interval planning in GF mode.
JeanDo
parents: 490
diff changeset
1977 backup_model = char_I_deco_model;
560764da0629 BUGFIX Surface desat factor missing for Interval planning in GF mode.
JeanDo
parents: 490
diff changeset
1978 char_I_deco_model = 0;
560764da0629 BUGFIX Surface desat factor missing for Interval planning in GF mode.
JeanDo
parents: 490
diff changeset
1979
368
de3b267e1fd9 Adding calc_dive_interval()
JeanDo
parents: 353
diff changeset
1980 //---- Perform simulation ------------------------------------------------
de3b267e1fd9 Adding calc_dive_interval()
JeanDo
parents: 353
diff changeset
1981 for(t=0; t<char_I_dive_interval; ++t)
de3b267e1fd9 Adding calc_dive_interval()
JeanDo
parents: 353
diff changeset
1982 {
de3b267e1fd9 Adding calc_dive_interval()
JeanDo
parents: 353
diff changeset
1983 calc_tissue(2); // period = 10min.
de3b267e1fd9 Adding calc_dive_interval()
JeanDo
parents: 353
diff changeset
1984 CNS_fraction = 0.92587471 * CNS_fraction; // Half-time = 90min: (1/2)^(1/9)
de3b267e1fd9 Adding calc_dive_interval()
JeanDo
parents: 353
diff changeset
1985 }
514
3e9904d3c040 BUGFIX spurious CNS bound check.
JeanDo
parents: 513
diff changeset
1986 assert( 0.0 <= CNS_fraction && CNS_fraction <= 2.56 );
3e9904d3c040 BUGFIX spurious CNS bound check.
JeanDo
parents: 513
diff changeset
1987 char_O_CNS_fraction = (unsigned char)(CNS_fraction * 100.0 + 0.5);
491
560764da0629 BUGFIX Surface desat factor missing for Interval planning in GF mode.
JeanDo
parents: 490
diff changeset
1988
560764da0629 BUGFIX Surface desat factor missing for Interval planning in GF mode.
JeanDo
parents: 490
diff changeset
1989 //---- Restore model -----------------------------------------------------
560764da0629 BUGFIX Surface desat factor missing for Interval planning in GF mode.
JeanDo
parents: 490
diff changeset
1990 char_I_deco_model = backup_model;
368
de3b267e1fd9 Adding calc_dive_interval()
JeanDo
parents: 353
diff changeset
1991 }
de3b267e1fd9 Adding calc_dive_interval()
JeanDo
parents: 353
diff changeset
1992
de3b267e1fd9 Adding calc_dive_interval()
JeanDo
parents: 353
diff changeset
1993 //////////////////////////////////////////////////////////////////////////////
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1994 //////////////////////////////////////////////////////////////////////////////
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1995 ////////////////////////////////// deco_hash /////////////////////////////////
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1996 //////////////////////////////////////////////////////////////////////////////
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
1997 //////////////////////////////////////////////////////////////////////////////
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
1998
184
016c45a0caaf Enable to compile p2_deco.c on other platforms.
JeanDo
parents: 171
diff changeset
1999 #ifndef CROSS_COMPILE
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
2000 void deco_hash(void)
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
2001 {
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2002 overlay unsigned char md_i, md_j; // Loop index.
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2003 overlay unsigned char md_t;
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2004 overlay unsigned char md_buffer[16];
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2005 overlay unsigned char md_temp;
203
2d9af08ed0ac BUGFIX Gas switch
JeanDo
parents: 201
diff changeset
2006 overlay unsigned short md_pointer;
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2007
122
3003a8040b78 FIX again reset C data stack and frame pointer when entering C code.
JeanDo
parents: 116
diff changeset
2008 RESET_C_STACK
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2009
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2010 // init
164
999abb01c78f + Change data allocation scheme
JeanDo
parents: 163
diff changeset
2011 for(md_i=0;md_i<16;md_i++)
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2012 {
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2013 md_state[md_i] = 0;
164
999abb01c78f + Change data allocation scheme
JeanDo
parents: 163
diff changeset
2014 char_O_hash[md_i] = 0;
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2015 } // for md_i 16
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
2016
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2017 _asm
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2018 movlw 0x01 // md_pi address.
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2019 movwf TBLPTRU,0
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2020 movlw 0x7E
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2021 movwf TBLPTRH,0
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2022 movlw 0x00
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2023 movwf TBLPTRL,0
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2024 _endasm;
165
8b5b848db4cd + Clean Buhlmann tables addressing
JeanDo
parents: 164
diff changeset
2025 md_i = 0;
8b5b848db4cd + Clean Buhlmann tables addressing
JeanDo
parents: 164
diff changeset
2026 do {
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2027 _asm
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2028 TBLRDPOSTINC
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2029 movff TABLAT,md_temp
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2030 _endasm
165
8b5b848db4cd + Clean Buhlmann tables addressing
JeanDo
parents: 164
diff changeset
2031 md_pi_subst[md_i++] = md_temp;
8b5b848db4cd + Clean Buhlmann tables addressing
JeanDo
parents: 164
diff changeset
2032 } while( md_i != 0 );
8b5b848db4cd + Clean Buhlmann tables addressing
JeanDo
parents: 164
diff changeset
2033
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2034 _asm
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2035 movlw 0x00
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2036 movwf TBLPTRU,0
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2037 movlw 0x00
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2038 movwf TBLPTRH,0
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2039 movlw 0x00
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2040 movwf TBLPTRL,0
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2041 _endasm
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2042
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2043 // cycle buffers
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2044 for (md_pointer=0x0000;md_pointer<0x17f3;md_pointer++)
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2045 {
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2046 md_t = 0;
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2047 for (md_i=0;md_i<16;md_i++)
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2048 {
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2049 if(md_pointer == 9)
164
999abb01c78f + Change data allocation scheme
JeanDo
parents: 163
diff changeset
2050 md_temp = char_O_hash[md_i];
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2051 else
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2052 {
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2053 _asm
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2054 TBLRDPOSTINC
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2055 movff TABLAT,md_temp
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2056 _endasm
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2057 } // else
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2058
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2059 md_buffer[md_i] = md_temp;
186
57a654c199ae BUGFIX Gradient Factor algo.
JeanDo
parents: 185
diff changeset
2060 md_state[md_i+16] = md_temp;
57a654c199ae BUGFIX Gradient Factor algo.
JeanDo
parents: 185
diff changeset
2061 md_state[md_i+32] = (unsigned char)(md_temp ^ md_state[md_i]);
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2062 } // for md_i 16
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2063
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2064 for (md_i=0;md_i<18;md_i++)
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2065 {
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2066 for (md_j=0;md_j<48;md_j++)
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2067 {
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2068 md_state[md_j] ^= md_pi_subst[md_t];
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2069 md_t = md_state[md_j];
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2070 } // for md_j 48
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2071 md_t = (unsigned char)(md_t+1);
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2072 } // for md_i 18
164
999abb01c78f + Change data allocation scheme
JeanDo
parents: 163
diff changeset
2073 md_t = char_O_hash[15];
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2074
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2075 for (md_i=0;md_i<16;md_i++)
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2076 {
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2077 char_O_hash[md_i] ^= md_pi_subst[(md_buffer[md_i] ^ md_t)];
164
999abb01c78f + Change data allocation scheme
JeanDo
parents: 163
diff changeset
2078 md_t = char_O_hash[md_i];
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2079 } // for md_i 16
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2080 } // for md_pointer
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
2081 } // void deco_hash(void)
184
016c45a0caaf Enable to compile p2_deco.c on other platforms.
JeanDo
parents: 171
diff changeset
2082 #endif
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
2083
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2084 //////////////////////////////////////////////////////////////////////////////
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2085 // deco_clear_CNS_fraction
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2086 //
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
2087 // new in v.101
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2088 //
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
2089 void deco_clear_CNS_fraction(void)
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
2090 {
122
3003a8040b78 FIX again reset C data stack and frame pointer when entering C code.
JeanDo
parents: 116
diff changeset
2091 RESET_C_STACK
237
55178aa1f972 Hunting for NoFly bug...
JeanDo
parents: 236
diff changeset
2092
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2093 CNS_fraction = 0.0;
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2094 char_O_CNS_fraction = 0;
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2095 }
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
2096
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2097 //////////////////////////////////////////////////////////////////////////////
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2098 // deco_calc_CNS_fraction
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2099 //
439
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2100 // Input: char_I_actual_ppO2 : Current condition (in decibars).
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2101 // char_I_step_is_1min : use 1min or 10min steps instead of 2sec.
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2102 // CNS_fraction : velue before period.
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2103 // Output: CNS_fraction, char_O_CNS_fraction
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2104 //
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
2105 void deco_calc_CNS_fraction(void)
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
2106 {
292
21a0f7393468 New CNS calculation in decoplan.
JeanDo
parents: 290
diff changeset
2107 overlay float time_factor = 1.0f;
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2108 RESET_C_STACK
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2109
471
5546da23afab BUGFIX infinite loop when deco table full.
JeanDo
parents: 461
diff changeset
2110 assert( 0.0 <= CNS_fraction && CNS_fraction <= 2.56 );
237
55178aa1f972 Hunting for NoFly bug...
JeanDo
parents: 236
diff changeset
2111 assert( char_I_actual_ppO2 > 15 );
55178aa1f972 Hunting for NoFly bug...
JeanDo
parents: 236
diff changeset
2112
439
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2113 if( char_I_step_is_1min == 1 )
292
21a0f7393468 New CNS calculation in decoplan.
JeanDo
parents: 290
diff changeset
2114 time_factor = 30.0f;
439
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2115 else if( char_I_step_is_1min == 2 )
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2116 time_factor = 300.0f;
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
2117
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2118 if (char_I_actual_ppO2 < 50)
292
21a0f7393468 New CNS calculation in decoplan.
JeanDo
parents: 290
diff changeset
2119 ; // no changes
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2120 else if (char_I_actual_ppO2 < 60)
439
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2121 CNS_fraction += time_factor/(-540.0 * char_I_actual_ppO2 + 54000.0);
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2122 else if (char_I_actual_ppO2 < 70)
439
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2123 CNS_fraction += time_factor/(-450.0 * char_I_actual_ppO2 + 48600.0);
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2124 else if (char_I_actual_ppO2 < 80)
439
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2125 CNS_fraction += time_factor/(-360.0 * char_I_actual_ppO2 + 42300.0);
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2126 else if (char_I_actual_ppO2 < 90)
439
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2127 CNS_fraction += time_factor/(-270.0 * char_I_actual_ppO2 + 35100.0);
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2128 else if (char_I_actual_ppO2 < 110)
439
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2129 CNS_fraction += time_factor/(-180.0 * char_I_actual_ppO2 + 27000.0);
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2130 else if (char_I_actual_ppO2 < 150)
439
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2131 CNS_fraction += time_factor/( -90.0 * char_I_actual_ppO2 + 17100.0);
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2132 else if (char_I_actual_ppO2 < 160)
439
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2133 CNS_fraction += time_factor/(-225.0 * char_I_actual_ppO2 + 37350.0);
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2134 else if (char_I_actual_ppO2 < 165)
292
21a0f7393468 New CNS calculation in decoplan.
JeanDo
parents: 290
diff changeset
2135 CNS_fraction += time_factor*0.000755; // Arieli et all.(2002): Modeling pulmonary and CNS O2 toxicity... Formula (A1) based on value for 1.55 and c=20
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2136 else if (char_I_actual_ppO2 < 170)
292
21a0f7393468 New CNS calculation in decoplan.
JeanDo
parents: 290
diff changeset
2137 CNS_fraction += time_factor*0.00102; // example calculation: Sqrt((1.7/1.55)^20)*0.000404
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2138 else if (char_I_actual_ppO2 < 175)
292
21a0f7393468 New CNS calculation in decoplan.
JeanDo
parents: 290
diff changeset
2139 CNS_fraction += time_factor*0.00136;
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2140 else if (char_I_actual_ppO2 < 180)
292
21a0f7393468 New CNS calculation in decoplan.
JeanDo
parents: 290
diff changeset
2141 CNS_fraction += time_factor*0.00180;
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2142 else if (char_I_actual_ppO2 < 185)
292
21a0f7393468 New CNS calculation in decoplan.
JeanDo
parents: 290
diff changeset
2143 CNS_fraction += time_factor*0.00237;
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2144 else if (char_I_actual_ppO2 < 190)
292
21a0f7393468 New CNS calculation in decoplan.
JeanDo
parents: 290
diff changeset
2145 CNS_fraction += time_factor*0.00310;
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2146 else if (char_I_actual_ppO2 < 195)
292
21a0f7393468 New CNS calculation in decoplan.
JeanDo
parents: 290
diff changeset
2147 CNS_fraction += time_factor*0.00401;
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2148 else if (char_I_actual_ppO2 < 200)
292
21a0f7393468 New CNS calculation in decoplan.
JeanDo
parents: 290
diff changeset
2149 CNS_fraction += time_factor*0.00517;
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2150 else if (char_I_actual_ppO2 < 230)
292
21a0f7393468 New CNS calculation in decoplan.
JeanDo
parents: 290
diff changeset
2151 CNS_fraction += time_factor*0.0209;
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2152 else
292
21a0f7393468 New CNS calculation in decoplan.
JeanDo
parents: 290
diff changeset
2153 CNS_fraction += time_factor*0.0482; // value for 2.5
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
2154
514
3e9904d3c040 BUGFIX spurious CNS bound check.
JeanDo
parents: 513
diff changeset
2155 if( CNS_fraction > 2.5 )
439
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2156 CNS_fraction = 2.55;
514
3e9904d3c040 BUGFIX spurious CNS bound check.
JeanDo
parents: 513
diff changeset
2157 if( CNS_fraction < 0.0 )
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2158 CNS_fraction = 0.0;
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2159
443
4c7f304de294 BUGFIX: infinite loop for Decoplaner's CNS in CCR mode.
JeanDo
parents: 441
diff changeset
2160 char_O_CNS_fraction = (unsigned char)(100.0 * CNS_fraction + 0.5);
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2161 }
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
2162
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2163 //////////////////////////////////////////////////////////////////////////////
439
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2164 // deco_calc_CNS_planning
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2165 //
511
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
2166 // Compute CNS during predicted ascent.
488
7c48692dd17c BUGFIX Missed surface pressure for CNS in decoplan.
JeanDo
parents: 478
diff changeset
2167 //
7c48692dd17c BUGFIX Missed surface pressure for CNS in decoplan.
JeanDo
parents: 478
diff changeset
2168 // Note: Needs a call to deco_push_tissues_to_vault(),
7c48692dd17c BUGFIX Missed surface pressure for CNS in decoplan.
JeanDo
parents: 478
diff changeset
2169 // deco_pull_tissues_from_vault() to avoid trashing everything...
7c48692dd17c BUGFIX Missed surface pressure for CNS in decoplan.
JeanDo
parents: 478
diff changeset
2170 //
7c48692dd17c BUGFIX Missed surface pressure for CNS in decoplan.
JeanDo
parents: 478
diff changeset
2171 // Input: CNS_fraction, char_O_deco_time[], char_O_deco_depth[]
7c48692dd17c BUGFIX Missed surface pressure for CNS in decoplan.
JeanDo
parents: 478
diff changeset
2172 // Output: CNS_fraction, char_O_CNS_fraction
7c48692dd17c BUGFIX Missed surface pressure for CNS in decoplan.
JeanDo
parents: 478
diff changeset
2173 //
439
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2174 void deco_calc_CNS_planning(void)
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2175 {
490
68aa097f0062 BUGFIX (minor) deco_calc_CNS_planning should save ppO2 and gas switch history.
JeanDo
parents: 488
diff changeset
2176 overlay unsigned char backup_gas_last_depth;
68aa097f0062 BUGFIX (minor) deco_calc_CNS_planning should save ppO2 and gas switch history.
JeanDo
parents: 488
diff changeset
2177 overlay unsigned char backup_gas_last_used;
68aa097f0062 BUGFIX (minor) deco_calc_CNS_planning should save ppO2 and gas switch history.
JeanDo
parents: 488
diff changeset
2178 overlay unsigned short backup_gas_delay;
68aa097f0062 BUGFIX (minor) deco_calc_CNS_planning should save ppO2 and gas switch history.
JeanDo
parents: 488
diff changeset
2179 overlay unsigned short backup_dive_mins;
68aa097f0062 BUGFIX (minor) deco_calc_CNS_planning should save ppO2 and gas switch history.
JeanDo
parents: 488
diff changeset
2180 overlay unsigned char backup_actual_ppO2;
68aa097f0062 BUGFIX (minor) deco_calc_CNS_planning should save ppO2 and gas switch history.
JeanDo
parents: 488
diff changeset
2181
439
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2182 RESET_C_STACK
490
68aa097f0062 BUGFIX (minor) deco_calc_CNS_planning should save ppO2 and gas switch history.
JeanDo
parents: 488
diff changeset
2183
68aa097f0062 BUGFIX (minor) deco_calc_CNS_planning should save ppO2 and gas switch history.
JeanDo
parents: 488
diff changeset
2184 // Backup state machine
68aa097f0062 BUGFIX (minor) deco_calc_CNS_planning should save ppO2 and gas switch history.
JeanDo
parents: 488
diff changeset
2185 backup_gas_last_depth = sim_gas_last_depth;
68aa097f0062 BUGFIX (minor) deco_calc_CNS_planning should save ppO2 and gas switch history.
JeanDo
parents: 488
diff changeset
2186 backup_gas_last_used = sim_gas_last_used;
68aa097f0062 BUGFIX (minor) deco_calc_CNS_planning should save ppO2 and gas switch history.
JeanDo
parents: 488
diff changeset
2187 backup_gas_delay = sim_gas_delay;
68aa097f0062 BUGFIX (minor) deco_calc_CNS_planning should save ppO2 and gas switch history.
JeanDo
parents: 488
diff changeset
2188 backup_dive_mins = sim_dive_mins;
68aa097f0062 BUGFIX (minor) deco_calc_CNS_planning should save ppO2 and gas switch history.
JeanDo
parents: 488
diff changeset
2189 backup_actual_ppO2 = char_I_actual_ppO2;
68aa097f0062 BUGFIX (minor) deco_calc_CNS_planning should save ppO2 and gas switch history.
JeanDo
parents: 488
diff changeset
2190
439
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2191 // Uses 1min CNS period:
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2192 char_I_step_is_1min = 1;
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2193
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2194 //---- Retrieve bottom Gas used, and set variables.
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2195 sim_gas_last_used = char_I_first_gas;
443
4c7f304de294 BUGFIX: infinite loop for Decoplaner's CNS in CCR mode.
JeanDo
parents: 441
diff changeset
2196 sim_gas_last_depth = 0; // Surface gas marker.
4c7f304de294 BUGFIX: infinite loop for Decoplaner's CNS in CCR mode.
JeanDo
parents: 441
diff changeset
2197 gas_switch_set(); // Sets initial calc_N2/He_ratio
439
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2198
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2199 //---- CCR mode : do the full TTS at once --------------------------------
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2200 if( char_I_const_ppO2 != 0 )
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2201 {
443
4c7f304de294 BUGFIX: infinite loop for Decoplaner's CNS in CCR mode.
JeanDo
parents: 441
diff changeset
2202 overlay unsigned short t; // Needs 16bits here !
439
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2203 char_I_actual_ppO2 = char_I_const_ppO2;
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2204 for(t=0; t<int_O_ascenttime; ++t)
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2205 deco_calc_CNS_fraction();
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2206 }
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2207 else //---- OC mode : have to follow all gas switches... -----------------
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2208 {
443
4c7f304de294 BUGFIX: infinite loop for Decoplaner's CNS in CCR mode.
JeanDo
parents: 441
diff changeset
2209 overlay unsigned char i = 0; // Decostop loop counter
439
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2210 overlay float actual_ppO2;
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2211 overlay unsigned char time, t;
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2212
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2213 //---- Ascent to surface delay
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2214 // NOTE: count as if time is spent with bottom pressure,
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2215 // AND the bottom gas
488
7c48692dd17c BUGFIX Missed surface pressure for CNS in decoplan.
JeanDo
parents: 478
diff changeset
2216 actual_ppO2 = (pres_surface + char_I_bottom_depth * METER_TO_BAR - ppWater)
439
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2217 * (1.0 - calc_N2_ratio - calc_He_ratio);
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2218 if( actual_ppO2 < 0.0 ) actual_ppO2 = 0.0;
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2219 if( actual_ppO2 > 2.50 ) actual_ppO2 = 2.55;
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2220 char_I_actual_ppO2 = (unsigned char)(100.0 * actual_ppO2 + 0.5);
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2221
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2222 // Ascent time (rounded up):
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2223 time = (unsigned char)(0.1 * char_I_bottom_depth + 0.5);
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2224
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2225 for(t=0; t<time; ++t)
490
68aa097f0062 BUGFIX (minor) deco_calc_CNS_planning should save ppO2 and gas switch history.
JeanDo
parents: 488
diff changeset
2226 {
439
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2227 deco_calc_CNS_fraction();
490
68aa097f0062 BUGFIX (minor) deco_calc_CNS_planning should save ppO2 and gas switch history.
JeanDo
parents: 488
diff changeset
2228 sim_dive_mins++;
68aa097f0062 BUGFIX (minor) deco_calc_CNS_planning should save ppO2 and gas switch history.
JeanDo
parents: 488
diff changeset
2229 }
439
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2230
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2231 //---- Do all further stops
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2232 for(i=0; i<NUM_STOPS; ++i)
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2233 {
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2234 //---- Get next stop
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2235 time = char_O_deco_time[i];
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2236 temp_depth_limit = char_O_deco_depth[i] & 0x7F;
443
4c7f304de294 BUGFIX: infinite loop for Decoplaner's CNS in CCR mode.
JeanDo
parents: 441
diff changeset
2237 if( time == 0 ) break; // End of table: done.
439
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2238
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2239 //---- Gas Switch ?
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2240 if( char_O_deco_depth[i] & 0x80 )
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2241 gas_switch_deepest();
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2242
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2243 //---- Convert Depth and N2_ratio to ppO2
488
7c48692dd17c BUGFIX Missed surface pressure for CNS in decoplan.
JeanDo
parents: 478
diff changeset
2244 actual_ppO2 = (pres_surface + temp_depth_limit * METER_TO_BAR - ppWater)
439
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2245 * (1.0 - calc_N2_ratio - calc_He_ratio);
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2246 if( actual_ppO2 < 0.0 ) actual_ppO2 = 0.0;
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2247 if( actual_ppO2 > 2.50 ) actual_ppO2 = 2.55;
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2248 char_I_actual_ppO2 = (unsigned char)(100.0 * actual_ppO2 + 0.5);
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2249
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2250 //---- Apply the stop
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2251 for(t=0; t<time; ++t)
490
68aa097f0062 BUGFIX (minor) deco_calc_CNS_planning should save ppO2 and gas switch history.
JeanDo
parents: 488
diff changeset
2252 {
439
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2253 deco_calc_CNS_fraction();
490
68aa097f0062 BUGFIX (minor) deco_calc_CNS_planning should save ppO2 and gas switch history.
JeanDo
parents: 488
diff changeset
2254 sim_dive_mins++;
68aa097f0062 BUGFIX (minor) deco_calc_CNS_planning should save ppO2 and gas switch history.
JeanDo
parents: 488
diff changeset
2255 }
439
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2256 }
488
7c48692dd17c BUGFIX Missed surface pressure for CNS in decoplan.
JeanDo
parents: 478
diff changeset
2257 }
7c48692dd17c BUGFIX Missed surface pressure for CNS in decoplan.
JeanDo
parents: 478
diff changeset
2258
7c48692dd17c BUGFIX Missed surface pressure for CNS in decoplan.
JeanDo
parents: 478
diff changeset
2259 // Back to normal mode...
7c48692dd17c BUGFIX Missed surface pressure for CNS in decoplan.
JeanDo
parents: 478
diff changeset
2260 char_I_step_is_1min = 0;
490
68aa097f0062 BUGFIX (minor) deco_calc_CNS_planning should save ppO2 and gas switch history.
JeanDo
parents: 488
diff changeset
2261 sim_gas_last_depth = backup_gas_last_depth;
68aa097f0062 BUGFIX (minor) deco_calc_CNS_planning should save ppO2 and gas switch history.
JeanDo
parents: 488
diff changeset
2262 sim_gas_last_used = backup_gas_last_used;
68aa097f0062 BUGFIX (minor) deco_calc_CNS_planning should save ppO2 and gas switch history.
JeanDo
parents: 488
diff changeset
2263 sim_gas_delay = backup_gas_delay;
68aa097f0062 BUGFIX (minor) deco_calc_CNS_planning should save ppO2 and gas switch history.
JeanDo
parents: 488
diff changeset
2264 sim_dive_mins = backup_dive_mins;
68aa097f0062 BUGFIX (minor) deco_calc_CNS_planning should save ppO2 and gas switch history.
JeanDo
parents: 488
diff changeset
2265 char_I_actual_ppO2 = backup_actual_ppO2;
439
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2266 }
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2267
b9cf06de8aca BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
parents: 388
diff changeset
2268 //////////////////////////////////////////////////////////////////////////////
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2269 // deco_calc_CNS_decrease_15min
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2270 //
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
2271 // new in v.101
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2272 //
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
2273 // calculates the half time of 90 minutes in 6 steps of 15 min
200
0a3ca358c684 BUGFIX clear decotable at begin of simulator mode.
JeanDo
parents: 197
diff changeset
2274 // (Used in sleepmode, for low battery mode).
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2275 //
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
2276 // Output: char_O_CNS_fraction
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
2277 // Uses and Updates: CNS_fraction
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2278 //
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
2279 void deco_calc_CNS_decrease_15min(void)
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
2280 {
237
55178aa1f972 Hunting for NoFly bug...
JeanDo
parents: 236
diff changeset
2281 RESET_C_STACK
514
3e9904d3c040 BUGFIX spurious CNS bound check.
JeanDo
parents: 513
diff changeset
2282 assert( 0.0 <= CNS_fraction && CNS_fraction <= 2.56 );
237
55178aa1f972 Hunting for NoFly bug...
JeanDo
parents: 236
diff changeset
2283
126
ed275788a291 Re-indent c-code. Add .o file.
JeanDo
parents: 122
diff changeset
2284 CNS_fraction = 0.890899 * CNS_fraction;
514
3e9904d3c040 BUGFIX spurious CNS bound check.
JeanDo
parents: 513
diff changeset
2285 char_O_CNS_fraction = (unsigned char)(CNS_fraction * 100.0 + 0.5);
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2286 }
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
2287
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2288 //////////////////////////////////////////////////////////////////////////////
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2289 // deco_calc_percentage
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2290 //
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
2291 // new in v.101
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2292 //
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
2293 // calculates int_I_temp * char_I_temp / 100
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
2294 // output is int_I_temp
200
0a3ca358c684 BUGFIX clear decotable at begin of simulator mode.
JeanDo
parents: 197
diff changeset
2295 //
0a3ca358c684 BUGFIX clear decotable at begin of simulator mode.
JeanDo
parents: 197
diff changeset
2296 // Used to compute NoFly remaining time.
222
638f8e17bd51 Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
JeanDo
parents: 218
diff changeset
2297 //
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
2298 void deco_calc_percentage(void)
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
2299 {
122
3003a8040b78 FIX again reset C data stack and frame pointer when entering C code.
JeanDo
parents: 116
diff changeset
2300 RESET_C_STACK
222
638f8e17bd51 Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
JeanDo
parents: 218
diff changeset
2301
237
55178aa1f972 Hunting for NoFly bug...
JeanDo
parents: 236
diff changeset
2302 assert( 60 <= char_I_temp && char_I_temp <= 100 );
55178aa1f972 Hunting for NoFly bug...
JeanDo
parents: 236
diff changeset
2303 assert( 0 <= int_I_temp && int_I_temp < 2880 ); // Less than 48h...
55178aa1f972 Hunting for NoFly bug...
JeanDo
parents: 236
diff changeset
2304
222
638f8e17bd51 Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
JeanDo
parents: 218
diff changeset
2305 int_I_temp = (unsigned short)(((float)int_I_temp * (float)char_I_temp) * 0.01 );
237
55178aa1f972 Hunting for NoFly bug...
JeanDo
parents: 236
diff changeset
2306
302
36cc8f0c1d73 Minor corrections in assert conditions.
JeanDo
parents: 293
diff changeset
2307 assert( int_I_temp < 2880 ); // Less than 48h...
222
638f8e17bd51 Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
JeanDo
parents: 218
diff changeset
2308 }
638f8e17bd51 Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
JeanDo
parents: 218
diff changeset
2309
638f8e17bd51 Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
JeanDo
parents: 218
diff changeset
2310
638f8e17bd51 Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
JeanDo
parents: 218
diff changeset
2311 //////////////////////////////////////////////////////////////////////////////
638f8e17bd51 Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
JeanDo
parents: 218
diff changeset
2312 // deco_gas_volumes
638f8e17bd51 Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
JeanDo
parents: 218
diff changeset
2313 //
638f8e17bd51 Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
JeanDo
parents: 218
diff changeset
2314 // new in v.111
638f8e17bd51 Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
JeanDo
parents: 218
diff changeset
2315 //
638f8e17bd51 Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
JeanDo
parents: 218
diff changeset
2316 // calculates volumes for each gas.
638f8e17bd51 Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
JeanDo
parents: 218
diff changeset
2317 //
638f8e17bd51 Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
JeanDo
parents: 218
diff changeset
2318 // Input: char_I_bottom_depth, char_I_bottom_time for planned dive.
240
d995e220ddac BUGFIX Gas Usage when first gas is not #1 (bug BB22).
JeanDo
parents: 237
diff changeset
2319 // Gas list.
d995e220ddac BUGFIX Gas Usage when first gas is not #1 (bug BB22).
JeanDo
parents: 237
diff changeset
2320 // char_I_first_gas is the bottom gas.
222
638f8e17bd51 Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
JeanDo
parents: 218
diff changeset
2321 // decoplan (char_O_deco_depth, char_O_deco_time).
234
bb8940caebe1 BUGFIX Gas Usage when stops are shallowest first: CF54 (bug BB24).
JeanDo
parents: 233
diff changeset
2322 // CF#54 == TRUE if shallowest stop first.
478
fd8266b511cc New SAC (CF56/CF57) in 5..50 l/min range (no more decimal).
JeanDo
parents: 471
diff changeset
2323 // CF#56 == bottom liters/minutes (5 .. 50) or bar/min.
fd8266b511cc New SAC (CF56/CF57) in 5..50 l/min range (no more decimal).
JeanDo
parents: 471
diff changeset
2324 // CF#57 == deco liters/minutes (5 .. 50) or bar/min.
224
49c90c5d9603 Gas usage
JeanDo
parents: 222
diff changeset
2325 // Output: int_O_gas_volumes[0..4] in litters * 0.1
222
638f8e17bd51 Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
JeanDo
parents: 218
diff changeset
2326 //
638f8e17bd51 Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
JeanDo
parents: 218
diff changeset
2327 void deco_gas_volumes(void)
638f8e17bd51 Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
JeanDo
parents: 218
diff changeset
2328 {
338
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
JeanDo
parents: 334
diff changeset
2329 overlay float volumes[NUM_GAS];
478
fd8266b511cc New SAC (CF56/CF57) in 5..50 l/min range (no more decimal).
JeanDo
parents: 471
diff changeset
2330 overlay float bottom_usage, deco_usage;
234
bb8940caebe1 BUGFIX Gas Usage when stops are shallowest first: CF54 (bug BB24).
JeanDo
parents: 233
diff changeset
2331 overlay unsigned char i, deepest_first;
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
2332 overlay unsigned char gas;
222
638f8e17bd51 Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
JeanDo
parents: 218
diff changeset
2333 RESET_C_STACK
638f8e17bd51 Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
JeanDo
parents: 218
diff changeset
2334
638f8e17bd51 Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
JeanDo
parents: 218
diff changeset
2335 //---- initialize with bottom consumption --------------------------------
338
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
JeanDo
parents: 334
diff changeset
2336 for(i=0; i<NUM_GAS; ++i) // Nothing yet...
240
d995e220ddac BUGFIX Gas Usage when first gas is not #1 (bug BB22).
JeanDo
parents: 237
diff changeset
2337 volumes[i] = 0.0;
222
638f8e17bd51 Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
JeanDo
parents: 218
diff changeset
2338
338
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
JeanDo
parents: 334
diff changeset
2339 assert(1 <= char_I_first_gas && char_I_first_gas <= NUM_GAS);
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
2340 gas = char_I_first_gas - 1;
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
2341
478
fd8266b511cc New SAC (CF56/CF57) in 5..50 l/min range (no more decimal).
JeanDo
parents: 471
diff changeset
2342 bottom_usage = (float) read_custom_function(56);
265
ab8ce7de2b46 BUGFIX zero gas rate (bug bb28).
JeanDo
parents: 264
diff changeset
2343 if( bottom_usage > 0.0 )
ab8ce7de2b46 BUGFIX zero gas rate (bug bb28).
JeanDo
parents: 264
diff changeset
2344 volumes[gas]
ab8ce7de2b46 BUGFIX zero gas rate (bug bb28).
JeanDo
parents: 264
diff changeset
2345 = (char_I_bottom_depth*0.1 + 1.0) // Use Psurface = 1.0 bar.
ab8ce7de2b46 BUGFIX zero gas rate (bug bb28).
JeanDo
parents: 264
diff changeset
2346 * char_I_bottom_time // in minutes.
ab8ce7de2b46 BUGFIX zero gas rate (bug bb28).
JeanDo
parents: 264
diff changeset
2347 * bottom_usage; // In liter/minutes.
ab8ce7de2b46 BUGFIX zero gas rate (bug bb28).
JeanDo
parents: 264
diff changeset
2348 else
ab8ce7de2b46 BUGFIX zero gas rate (bug bb28).
JeanDo
parents: 264
diff changeset
2349 volumes[gas] = 65535.0;
222
638f8e17bd51 Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
JeanDo
parents: 218
diff changeset
2350
638f8e17bd51 Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
JeanDo
parents: 218
diff changeset
2351 //---- Ascent usage ------------------------------------------------------
638f8e17bd51 Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
JeanDo
parents: 218
diff changeset
2352
234
bb8940caebe1 BUGFIX Gas Usage when stops are shallowest first: CF54 (bug BB24).
JeanDo
parents: 233
diff changeset
2353 deepest_first = read_custom_function(54) == 0;
511
2a6293641d51 NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
parents: 509
diff changeset
2354 deco_usage = (float) read_custom_function(57); // In liter/minutes.
222
638f8e17bd51 Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
JeanDo
parents: 218
diff changeset
2355
224
49c90c5d9603 Gas usage
JeanDo
parents: 222
diff changeset
2356 // Usage up to the first stop:
49c90c5d9603 Gas usage
JeanDo
parents: 222
diff changeset
2357 // - computed at MAX depth (easier, safer),
222
638f8e17bd51 Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
JeanDo
parents: 218
diff changeset
2358 // - with an ascent speed of 10m/min.
224
49c90c5d9603 Gas usage
JeanDo
parents: 222
diff changeset
2359 // - with ascent litter / minutes.
222
638f8e17bd51 Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
JeanDo
parents: 218
diff changeset
2360 // - still using bottom gas:
478
fd8266b511cc New SAC (CF56/CF57) in 5..50 l/min range (no more decimal).
JeanDo
parents: 471
diff changeset
2361 if( deco_usage > 0.0 )
265
ab8ce7de2b46 BUGFIX zero gas rate (bug bb28).
JeanDo
parents: 264
diff changeset
2362 volumes[gas]
ab8ce7de2b46 BUGFIX zero gas rate (bug bb28).
JeanDo
parents: 264
diff changeset
2363 += (char_I_bottom_depth*0.1 + 1.0) // Depth -> bar
ab8ce7de2b46 BUGFIX zero gas rate (bug bb28).
JeanDo
parents: 264
diff changeset
2364 * (char_I_bottom_depth - char_O_first_deco_depth) * 0.1 // ascent time (min)
478
fd8266b511cc New SAC (CF56/CF57) in 5..50 l/min range (no more decimal).
JeanDo
parents: 471
diff changeset
2365 * deco_usage; // Consumption ( xxx / min @ 1 bar)
265
ab8ce7de2b46 BUGFIX zero gas rate (bug bb28).
JeanDo
parents: 264
diff changeset
2366 else
ab8ce7de2b46 BUGFIX zero gas rate (bug bb28).
JeanDo
parents: 264
diff changeset
2367 volumes[gas] = 65535.0;
222
638f8e17bd51 Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
JeanDo
parents: 218
diff changeset
2368
338
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
JeanDo
parents: 334
diff changeset
2369 for(i=0; i<NUM_STOPS; ++i)
222
638f8e17bd51 Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
JeanDo
parents: 218
diff changeset
2370 {
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
2371 overlay unsigned char j;
234
bb8940caebe1 BUGFIX Gas Usage when stops are shallowest first: CF54 (bug BB24).
JeanDo
parents: 233
diff changeset
2372 overlay unsigned char depth, time, ascent;
bb8940caebe1 BUGFIX Gas Usage when stops are shallowest first: CF54 (bug BB24).
JeanDo
parents: 233
diff changeset
2373
bb8940caebe1 BUGFIX Gas Usage when stops are shallowest first: CF54 (bug BB24).
JeanDo
parents: 233
diff changeset
2374 // Manage stops in reverse order (CF#54)
bb8940caebe1 BUGFIX Gas Usage when stops are shallowest first: CF54 (bug BB24).
JeanDo
parents: 233
diff changeset
2375 if( deepest_first )
bb8940caebe1 BUGFIX Gas Usage when stops are shallowest first: CF54 (bug BB24).
JeanDo
parents: 233
diff changeset
2376 {
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
2377 time = char_O_deco_time[i];
234
bb8940caebe1 BUGFIX Gas Usage when stops are shallowest first: CF54 (bug BB24).
JeanDo
parents: 233
diff changeset
2378 if( time == 0 ) break; // End of table: done.
bb8940caebe1 BUGFIX Gas Usage when stops are shallowest first: CF54 (bug BB24).
JeanDo
parents: 233
diff changeset
2379
288
9feb224f6871 Manage gas-switch marked stops in volume consumption.
JeanDo
parents: 279
diff changeset
2380 ascent = depth = char_O_deco_depth[i] & 0x7F;
234
bb8940caebe1 BUGFIX Gas Usage when stops are shallowest first: CF54 (bug BB24).
JeanDo
parents: 233
diff changeset
2381 if( i < 31 )
288
9feb224f6871 Manage gas-switch marked stops in volume consumption.
JeanDo
parents: 279
diff changeset
2382 ascent -= char_O_deco_depth[i+1] & 0x7F;
234
bb8940caebe1 BUGFIX Gas Usage when stops are shallowest first: CF54 (bug BB24).
JeanDo
parents: 233
diff changeset
2383 }
bb8940caebe1 BUGFIX Gas Usage when stops are shallowest first: CF54 (bug BB24).
JeanDo
parents: 233
diff changeset
2384 else
bb8940caebe1 BUGFIX Gas Usage when stops are shallowest first: CF54 (bug BB24).
JeanDo
parents: 233
diff changeset
2385 {
bb8940caebe1 BUGFIX Gas Usage when stops are shallowest first: CF54 (bug BB24).
JeanDo
parents: 233
diff changeset
2386 time = char_O_deco_time[31-i];
bb8940caebe1 BUGFIX Gas Usage when stops are shallowest first: CF54 (bug BB24).
JeanDo
parents: 233
diff changeset
2387 if( time == 0 ) continue; // not yet: still searh table.
bb8940caebe1 BUGFIX Gas Usage when stops are shallowest first: CF54 (bug BB24).
JeanDo
parents: 233
diff changeset
2388
288
9feb224f6871 Manage gas-switch marked stops in volume consumption.
JeanDo
parents: 279
diff changeset
2389 ascent = depth = char_O_deco_depth[31-i] & 0x7F;
234
bb8940caebe1 BUGFIX Gas Usage when stops are shallowest first: CF54 (bug BB24).
JeanDo
parents: 233
diff changeset
2390 if( i < 31 )
288
9feb224f6871 Manage gas-switch marked stops in volume consumption.
JeanDo
parents: 279
diff changeset
2391 ascent -= char_O_deco_depth[30-i] & 0x7F;
234
bb8940caebe1 BUGFIX Gas Usage when stops are shallowest first: CF54 (bug BB24).
JeanDo
parents: 233
diff changeset
2392 }
bb8940caebe1 BUGFIX Gas Usage when stops are shallowest first: CF54 (bug BB24).
JeanDo
parents: 233
diff changeset
2393
222
638f8e17bd51 Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
JeanDo
parents: 218
diff changeset
2394 // Gas switch depth ?
338
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
JeanDo
parents: 334
diff changeset
2395 for(j=0; j<NUM_GAS; ++j)
222
638f8e17bd51 Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
JeanDo
parents: 218
diff changeset
2396 {
234
bb8940caebe1 BUGFIX Gas Usage when stops are shallowest first: CF54 (bug BB24).
JeanDo
parents: 233
diff changeset
2397 if( depth <= char_I_deco_gas_change[j] )
241
f44274d8440a Model cleanups.
JeanDo
parents: 240
diff changeset
2398 if( !char_I_deco_gas_change[gas] || (char_I_deco_gas_change[gas] > char_I_deco_gas_change[j]) )
224
49c90c5d9603 Gas usage
JeanDo
parents: 222
diff changeset
2399 gas = j;
222
638f8e17bd51 Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
JeanDo
parents: 218
diff changeset
2400 }
638f8e17bd51 Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
JeanDo
parents: 218
diff changeset
2401
638f8e17bd51 Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
JeanDo
parents: 218
diff changeset
2402 // usage during stop:
224
49c90c5d9603 Gas usage
JeanDo
parents: 222
diff changeset
2403 // Note: because first gas is not in there, increment gas+1
478
fd8266b511cc New SAC (CF56/CF57) in 5..50 l/min range (no more decimal).
JeanDo
parents: 471
diff changeset
2404 if( deco_usage > 0.0 )
265
ab8ce7de2b46 BUGFIX zero gas rate (bug bb28).
JeanDo
parents: 264
diff changeset
2405 volumes[gas] += (depth*0.1 + 1.0) // depth --> bar.
ab8ce7de2b46 BUGFIX zero gas rate (bug bb28).
JeanDo
parents: 264
diff changeset
2406 * time // in minutes.
478
fd8266b511cc New SAC (CF56/CF57) in 5..50 l/min range (no more decimal).
JeanDo
parents: 471
diff changeset
2407 * deco_usage // in xxx / min @ 1bar.
265
ab8ce7de2b46 BUGFIX zero gas rate (bug bb28).
JeanDo
parents: 264
diff changeset
2408 // Plus usage during ascent to the next stop, at 10m/min.
ab8ce7de2b46 BUGFIX zero gas rate (bug bb28).
JeanDo
parents: 264
diff changeset
2409 + (depth*0.1 + 1.0)
275
4310ab395dbe Keep low_depth in float 32bits (w/o rounding) for a better stability.
JeanDo
parents: 270
diff changeset
2410 * ascent*0.1 // metre --> min
478
fd8266b511cc New SAC (CF56/CF57) in 5..50 l/min range (no more decimal).
JeanDo
parents: 471
diff changeset
2411 * deco_usage;
265
ab8ce7de2b46 BUGFIX zero gas rate (bug bb28).
JeanDo
parents: 264
diff changeset
2412 else
ab8ce7de2b46 BUGFIX zero gas rate (bug bb28).
JeanDo
parents: 264
diff changeset
2413 volumes[gas] = 65535.0;
222
638f8e17bd51 Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
JeanDo
parents: 218
diff changeset
2414 }
638f8e17bd51 Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
JeanDo
parents: 218
diff changeset
2415
638f8e17bd51 Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
JeanDo
parents: 218
diff changeset
2416 //---- convert results for the ASM interface -----------------------------
338
b75564fb3d4b Optimizing access to B?hlmann coefficient (speed).
JeanDo
parents: 334
diff changeset
2417 for(i=0; i<NUM_GAS; ++i)
441
4826dd98514b NEW: Decoplanner OC volumes in liters (or bars), up to 65000.
JeanDo
parents: 439
diff changeset
2418 if( volumes[i] > 65534.0 )
224
49c90c5d9603 Gas usage
JeanDo
parents: 222
diff changeset
2419 int_O_gas_volumes[i] = 65535;
222
638f8e17bd51 Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
JeanDo
parents: 218
diff changeset
2420 else
441
4826dd98514b NEW: Decoplanner OC volumes in liters (or bars), up to 65000.
JeanDo
parents: 439
diff changeset
2421 int_O_gas_volumes[i] = (unsigned short)(volumes[i] + 0.5);
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
2422 }
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
2423
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2424 //////////////////////////////////////////////////////////////////////////////
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2425
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
2426 void deco_push_tissues_to_vault(void)
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
2427 {
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2428 overlay unsigned char x;
122
3003a8040b78 FIX again reset C data stack and frame pointer when entering C code.
JeanDo
parents: 116
diff changeset
2429 RESET_C_STACK
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2430
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
2431 cns_vault = CNS_fraction;
339
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
2432 for (x=0;x<NUM_COMP;x++)
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
2433 {
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
2434 pres_tissue_N2_vault[x] = pres_tissue_N2[x];
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
2435 pres_tissue_He_vault[x] = pres_tissue_He[x];
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
2436 }
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
2437 }
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2438
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
2439 void deco_pull_tissues_from_vault(void)
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
2440 {
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2441 overlay unsigned char x;
122
3003a8040b78 FIX again reset C data stack and frame pointer when entering C code.
JeanDo
parents: 116
diff changeset
2442 RESET_C_STACK
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2443
339
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
2444 for (x=0; x<NUM_COMP; x++)
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
2445 {
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
2446 pres_tissue_N2[x] = pres_tissue_N2_vault[x];
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
2447 pres_tissue_He[x] = pres_tissue_He_vault[x];
cb77d1fa4535 More cleanups in internal deco structures.
JeanDo
parents: 338
diff changeset
2448 }
292
21a0f7393468 New CNS calculation in decoplan.
JeanDo
parents: 290
diff changeset
2449
21a0f7393468 New CNS calculation in decoplan.
JeanDo
parents: 290
diff changeset
2450 // Restore both CNS variable, too.
21a0f7393468 New CNS calculation in decoplan.
JeanDo
parents: 290
diff changeset
2451 CNS_fraction = cns_vault;
514
3e9904d3c040 BUGFIX spurious CNS bound check.
JeanDo
parents: 513
diff changeset
2452 char_O_CNS_fraction = (unsigned char)(CNS_fraction * 100.0 + 0.5);
116
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
2453 }
14a074e1a375 Split C code, and use direct linking.
JeanDo
parents:
diff changeset
2454
167
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2455 //////////////////////////////////////////////////////////////////////////////
cb055a7d75f3 + Use overlay local vars.
JeanDo
parents: 165
diff changeset
2456 //
184
016c45a0caaf Enable to compile p2_deco.c on other platforms.
JeanDo
parents: 171
diff changeset
2457 #ifndef CROSS_COMPILE
016c45a0caaf Enable to compile p2_deco.c on other platforms.
JeanDo
parents: 171
diff changeset
2458 void main() {}
016c45a0caaf Enable to compile p2_deco.c on other platforms.
JeanDo
parents: 171
diff changeset
2459 #endif