Mercurial > public > mk2
annotate code_part1/OSTC_code_c_part2/p2_deco.c @ 724:03f8a8eec9ae
correct diluent store address
author | heinrichsweikamp |
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date | Wed, 29 May 2013 14:41:34 +0200 |
parents | f555590f1419 |
children | c498d6972087 8466932a2fcf |
rev | line source |
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116 | 1 // ************************************************************** |
2 // p2_deco.c | |
3 // | |
4 // Created on: 12.05.2009 | |
5 // Author: chsw | |
6 // | |
7 // ************************************************************** | |
8 | |
9 ////////////////////////////////////////////////////////////////////////////// | |
10 // OSTC - diving computer code | |
532 | 11 // Copyright (C) 2011 HeinrichsWeikamp GbR |
116 | 12 // |
13 // This program is free software: you can redistribute it and/or modify | |
14 // it under the terms of the GNU General Public License as published by | |
15 // the Free Software Foundation, either version 3 of the License, or | |
16 // (at your option) any later version. | |
17 // | |
18 // This program is distributed in the hope that it will be useful, | |
19 // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
20 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
21 // GNU General Public License for more details. | |
22 // | |
23 // You should have received a copy of the GNU General Public License | |
24 // along with this program. If not, see <http://www.gnu.org/licenses/>. | |
25 // | |
26 ////////////////////////////////////////////////////////////////////////////// | |
27 | |
28 // ***************************** | |
29 // ** I N T R O D U C T I O N ** | |
30 // ***************************** | |
31 // | |
32 // OSTC | |
33 // | |
34 // code: | |
35 // p2_deco_main_c_v101.c | |
36 // part2 of the OSTC code | |
37 // code with constant O2 partial pressure routines | |
38 // under construction !! | |
39 // | |
40 // summary: | |
41 // decompression routines | |
42 // for the OSTC experimental project | |
43 // written by Christian Weikamp | |
44 // last revision __________ | |
45 // comments added _________ | |
46 // | |
47 // additional files: | |
48 // p2_tables_v100.romdata (other files) | |
49 // 18f4685_ostc_v100.lkr (linker script) | |
50 // | |
51 // history: | |
52 // 01/03/08 v100: first release candidate | |
53 // 03/13/08 v101: start of programming ppO2 code | |
54 // 03/13/25 v101a: backup of interrim version with ppO2 calculation | |
55 // 03/13/25 v101: open circuit gas change during deco | |
56 // 03/13/25 v101: CNS_fraction calculation | |
57 // 03/13/26 v101: optimization of tissue calc routines | |
58 // 07/xx/08 v102a: debug of bottom time routine | |
59 // 09/xx/08 v102d: Gradient Factor Model implemenation | |
60 // 10/10/08 v104: renamed to build v103 for v118 stable | |
171 | 61 // 10/14/08 v104: integration of char_I_depth_last_deco for Gradient Model |
116 | 62 // 03/31/09 v107: integration of FONT Incon24 |
63 // 05/23/10 v109: 5 gas changes & 1 min timer | |
64 // 07/13/10 v110: cns vault added | |
65 // 12/25/10 v110: split in three files (deco.c, main.c, definitions.h) | |
163 | 66 // 2011/01/20: [jDG] Create a common file included in ASM and C code. |
167 | 67 // 2011/01/23: [jDG] Added read_custom_function(). |
203 | 68 // 2011/01/24: [jDG] Make ascenttime an short. No more overflow! |
169
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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. |
193 | 71 // 2011/02/11: [jDG] Reworked gradient-factor implementation. |
197 | 72 // 2011/02/13: [jDG] CF55 for additional gas switch delay in decoplan. |
275
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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. |
293
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75 // 2011/04/10: [jDG] Use timer TMR3 to limit loops in calc_hauptroutine_calc_deco(). |
275
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76 // 2011/04/15: [jDG] Store low_depth in 32bits (w/o rounding), for a better stability. |
293
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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
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79 // 2011/05/02: [jDG] Added "Future TTS" function (CF58). |
338 | 80 // 2011/05/17: [jDG] Various cleanups. |
511
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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. |
562 | 83 // 2011/12/17: [mH] Remove of the useless debug stuff |
561 | 84 // 2012/02/24: [jDG] Remove missed stop bug. |
562 | 85 // 2012/02/25: [jDG] Looking for a more stable LOW grad factor reference. |
646 | 86 // 2012/09/10: [mH] Fill char_O_deco_time_for_log for logbook write |
87 // 2012/10/05: [jDG] Better deco_gas_volumes accuracy (average depth, switch between stop). | |
697 | 88 // 2013/03/05: [jDG] Should vault low_depth too. |
698 | 89 // 2013/03/05: [jDG] Wrobell remark: ascent_to_first_stop works better with finer steps (2sec). |
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90 // 2013/05/08: [jDG] A. Salm remark: NOAA tables for CNS are in ATA, not bar. |
116 | 91 // |
167 | 92 // TODO: |
93 // + Allow to abort MD2 calculation (have to restart next time). | |
94 // | |
95 // Literature: | |
200 | 96 // Bühlmann, Albert: Tauchmedizin; 4. Auflage [2002]; |
116 | 97 // 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 |
98 // Morrison, Stuart; 2000; DIY DECOMPRESSION; http://www.lizardland.co.uk/DIYDeco.html | |
99 // Balthasar, Steffen; Dekompressionstheorie I: Neo Haldane Modelle; http://www.txfreak.de/dekompressionstheorie_1.pdf | |
100 // Baker, Erik C.; Clearing Up The Confusion About "Deep Stops" | |
101 // Baker, Erik C.; Understanding M-values; http://www.txfreak.de/understanding_m-values.pdf | |
167 | 102 // |
103 // | |
116 | 104 |
105 // ********************* | |
106 // ** I N C L U D E S ** | |
107 // ********************* | |
108 #include <math.h> | |
167 | 109 |
192 | 110 // *********************************************** |
111 // ** V A R I A B L E S D E F I N I T I O N S ** | |
112 // *********************************************** | |
113 | |
114 #include "p2_definitions.h" | |
275
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115 #define TEST_MAIN |
509 | 116 #include "../OSTC_code_asm_part1/shared_definitions.h" |
192 | 117 |
200 | 118 // Water vapour partial pressure in the lumb. |
527 | 119 #define ppWater 0.0627 |
317 | 120 #define METER_TO_BAR 0.09985 |
121 #define BAR_TO_METER 10.0150 // (1.0/METER_TO_BAR) | |
200 | 122 |
491
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123 // Surface security factor |
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124 #define SURFACE_DESAT_FACTOR 0.7042 |
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125 |
167 | 126 // ************************* |
127 // ** P R O T O T Y P E S ** | |
128 // ************************* | |
129 | |
130 static void calc_hauptroutine(void); | |
131 static void calc_nullzeit(void); | |
132 | |
192 | 133 static void calc_tissue(PARAMETER unsigned char period); |
258 | 134 static void calc_limit(void); |
192 | 135 |
167 | 136 static void clear_tissue(void); |
137 static void calc_ascenttime(void); | |
138 static void update_startvalues(void); | |
169
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139 static void clear_deco_table(void); |
471 | 140 static unsigned char update_deco_table(void); |
192 | 141 |
142 static void sim_tissue(PARAMETER unsigned char period); | |
143 static void sim_limit(PARAMETER float GF_current); | |
312
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144 static void sim_extra_time(void); |
368 | 145 static void calc_dive_interval(void); |
312
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146 |
167 | 147 static void calc_gradient_factor(void); |
148 static void calc_wo_deco_step_1_min(void); | |
149 | |
150 static void calc_hauptroutine_data_input(void); | |
151 static void calc_hauptroutine_update_tissues(void); | |
152 static void calc_hauptroutine_calc_deco(void); | |
169
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153 static void sim_ascent_to_first_stop(void); |
167 | 154 |
241 | 155 static unsigned char gas_switch_deepest(void); |
156 static void gas_switch_set(void); | |
217 | 157 |
241 | 158 static unsigned char calc_nextdecodepth(void); |
116 | 159 |
200 | 160 //---- Bank 4 parameters ----------------------------------------------------- |
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161 #ifndef UNIX |
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162 # pragma udata bank4=0x400 |
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163 #endif |
116 | 164 |
165 static float GF_low; | |
166 static float GF_high; | |
167 static float GF_delta; | |
192 | 168 static float locked_GF_step; // GF_delta / low_depth |
169 | |
170 static unsigned char temp_depth_limit; | |
695 | 171 float low_depth; // Depth of deepest stop |
171 | 172 |
192 | 173 // Simulation context: used to predict ascent. |
695 | 174 unsigned char sim_lead_tissue_no; // Leading compatiment number. |
175 float sim_lead_tissue_limit; // Buhlmann tolerated pressure. | |
116 | 176 |
192 | 177 // Real context: what we are doing now. |
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178 static float calc_lead_tissue_limit; // |
116 | 179 |
338 | 180 static unsigned char internal_deco_time[NUM_STOPS]; |
181 static unsigned char internal_deco_depth[NUM_STOPS]; | |
116 | 182 |
183 static float cns_vault; | |
697 | 184 static float low_depth_vault; |
339 | 185 static float pres_tissue_N2_vault[NUM_COMP]; |
186 static float pres_tissue_He_vault[NUM_COMP]; | |
116 | 187 |
163 | 188 //---- Bank 5 parameters ----------------------------------------------------- |
601
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189 #ifndef UNIX |
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190 # pragma udata bank5=0x500 |
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191 #endif |
163 | 192 |
167 | 193 static unsigned char ci; |
116 | 194 static float pres_respiration; |
195 static float pres_surface; | |
196 static float temp_deco; | |
236 | 197 static float ppN2; |
200 | 198 static float ppHe; |
116 | 199 static float temp_tissue; |
200 | 200 static float N2_ratio; // Breathed gas nitrogen ratio. |
201 static float He_ratio; // Breathed gas helium ratio. | |
202 static float var_N2_a; // Bühlmann a, for current N2 tissue. | |
203 static float var_N2_b; // Bühlmann b, for current N2 tissue. | |
204 static float var_He_a; // Bühlmann a, for current He tissue. | |
205 static float var_He_b; // Bühlmann b, for current He tissue. | |
206 static float var_N2_e; // Exposition, for current N2 tissue. | |
207 static float var_He_e; // Exposition, for current He tissue. | |
509 | 208 static float var_N2_ht; // Half-time for current N2 tissue. |
209 static float var_He_ht; // Half-time for current N2 tissue. | |
116 | 210 |
338 | 211 static float pres_diluent; // new in v.101 |
212 static float const_ppO2; // new in v.101 | |
116 | 213 |
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214 static unsigned char sim_gas_last_depth; // Depth of last used gas, to detected a gas switch. |
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215 static unsigned char sim_gas_last_used; // Number of last used gas, to detected a gas switch. |
203 | 216 static unsigned short sim_gas_delay; // Time of gas-switch-stop ends [min on dive]. |
217 static unsigned short sim_dive_mins; // Simulated dive time. | |
200 | 218 static float calc_N2_ratio; // Simulated (switched) nitrogen ratio. |
219 static float calc_He_ratio; // Simulated (switched) helium ratio. | |
220 static float CNS_fraction; // new in v.101 | |
221 static float float_saturation_multiplier; // new in v.101 | |
222 static float float_desaturation_multiplier; // new in v.101 | |
338 | 223 static float float_deco_distance; // new in v.101 |
224 static char flag_in_divemode; // new in v.108 | |
167 | 225 |
338 | 226 static unsigned char deco_gas_change[NUM_GAS]; // new in v.109 |
167 | 227 |
163 | 228 //---- Bank 6 parameters ----------------------------------------------------- |
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229 #ifndef UNIX |
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230 # pragma udata bank6=0x600 |
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231 #endif |
116 | 232 |
339 | 233 float pres_tissue_N2[NUM_COMP]; |
234 float pres_tissue_He[NUM_COMP]; | |
509 | 235 float sim_pres_tissue_N2[NUM_COMP]; // 16 floats = 64 bytes. |
236 float sim_pres_tissue_He[NUM_COMP]; // 16 floats = 64 bytes. | |
116 | 237 |
163 | 238 //---- Bank 7 parameters ----------------------------------------------------- |
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239 #ifndef UNIX |
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240 # pragma udata bank7=0x700 |
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241 #endif |
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242 |
509 | 243 // EMPTY ... |
116 | 244 |
163 | 245 //---- Bank 8 parameters ----------------------------------------------------- |
601
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246 #ifndef UNIX |
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247 # pragma udata bank8=0x800 |
163 | 248 |
601
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249 static char md_pi_subst[256]; |
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250 # define C_STACK md_pi_subst // Overlay C-code data stack here, too. |
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251 |
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252 #endif |
116 | 253 |
163 | 254 //---- Bank 9 parameters ----------------------------------------------------- |
601
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255 #ifndef UNIX |
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256 # pragma udata bank9=0x900 |
116 | 257 |
601
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258 static char md_state[48]; // DONT MOVE : has to be at the beginning of bank 9 for the asm code!!! |
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259 #endif |
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260 |
116 | 261 |
167 | 262 ////////////////////////////////////////////////////////////////////////////// |
263 ////////////////////////////////////////////////////////////////////////////// | |
264 ///////////////////////////// THE LOOKUP TABLES ////////////////////////////// | |
265 ////////////////////////////////////////////////////////////////////////////// | |
266 ////////////////////////////////////////////////////////////////////////////// | |
267 // | |
268 // End of PROM code is 17F00, So push tables on PROM top... | |
269 // | |
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270 #ifndef UNIX |
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271 # pragma romdata buhlmann_tables = 0x017B00 // Needs to be in UPPER bank. |
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272 #endif |
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273 |
167 | 274 #include "p2_tables.romdata" // new table for deco_main_v.101 (var_N2_a modified) |
116 | 275 |
167 | 276 // Magic table to compute the MD2 HASH |
277 // | |
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278 #ifndef UNIX |
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279 # pragma romdata hash_tables = 0x017E00 // Address fixed by ASM access... |
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280 rom const rom unsigned short md_pi[] = |
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281 { |
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282 0x292E, 0x43C9, 0xA2D8, 0x7C01, 0x3D36, 0x54A1, 0xECF0, 0x0613 |
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283 , 0x62A7, 0x05F3, 0xC0C7, 0x738C, 0x9893, 0x2BD9, 0xBC4C, 0x82CA |
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284 , 0x1E9B, 0x573C, 0xFDD4, 0xE016, 0x6742, 0x6F18, 0x8A17, 0xE512 |
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285 , 0xBE4E, 0xC4D6, 0xDA9E, 0xDE49, 0xA0FB, 0xF58E, 0xBB2F, 0xEE7A |
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286 , 0xA968, 0x7991, 0x15B2, 0x073F, 0x94C2, 0x1089, 0x0B22, 0x5F21 |
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287 , 0x807F, 0x5D9A, 0x5A90, 0x3227, 0x353E, 0xCCE7, 0xBFF7, 0x9703 |
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288 , 0xFF19, 0x30B3, 0x48A5, 0xB5D1, 0xD75E, 0x922A, 0xAC56, 0xAAC6 |
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289 , 0x4FB8, 0x38D2, 0x96A4, 0x7DB6, 0x76FC, 0x6BE2, 0x9C74, 0x04F1 |
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290 , 0x459D, 0x7059, 0x6471, 0x8720, 0x865B, 0xCF65, 0xE62D, 0xA802 |
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291 , 0x1B60, 0x25AD, 0xAEB0, 0xB9F6, 0x1C46, 0x6169, 0x3440, 0x7E0F |
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292 , 0x5547, 0xA323, 0xDD51, 0xAF3A, 0xC35C, 0xF9CE, 0xBAC5, 0xEA26 |
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293 , 0x2C53, 0x0D6E, 0x8528, 0x8409, 0xD3DF, 0xCDF4, 0x4181, 0x4D52 |
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294 , 0x6ADC, 0x37C8, 0x6CC1, 0xABFA, 0x24E1, 0x7B08, 0x0CBD, 0xB14A |
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295 , 0x7888, 0x958B, 0xE363, 0xE86D, 0xE9CB, 0xD5FE, 0x3B00, 0x1D39 |
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296 , 0xF2EF, 0xB70E, 0x6658, 0xD0E4, 0xA677, 0x72F8, 0xEB75, 0x4B0A |
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297 , 0x3144, 0x50B4, 0x8FED, 0x1F1A, 0xDB99, 0x8D33, 0x9F11, 0x8314 |
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298 }; |
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299 #endif |
116 | 300 |
167 | 301 ////////////////////////////////////////////////////////////////////////////// |
302 ////////////////////////////////////////////////////////////////////////////// | |
303 ////////////////////////////// THE SUBROUTINES /////////////////////////////// | |
304 ////////////////////////////////////////////////////////////////////////////// | |
305 ////////////////////////////////////////////////////////////////////////////// | |
306 // | |
116 | 307 // all new in v.102 |
308 // moved from 0x0D000 to 0x0C000 in v.108 | |
601
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309 #ifndef UNIX |
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310 # pragma code p2_deco = 0x0C000 |
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311 #endif |
116 | 312 |
167 | 313 ////////////////////////////////////////////////////////////////////////////// |
314 ////////////////////////////////////////////////////////////////////////////// | |
315 /////////////////////// U T I L I T I E S ///////////////////////////////// | |
316 ////////////////////////////////////////////////////////////////////////////// | |
317 ////////////////////////////////////////////////////////////////////////////// | |
318 | |
235 | 319 ////////////////////////////////////////////////////////////////////////////// |
257
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320 // Bump to blue-screen when an assert is wrong |
235 | 321 #ifdef __DEBUG |
322 void assert_failed(PARAMETER short int line) | |
323 { | |
681 | 324 extern void DISP_resetdebugger(void); |
235 | 325 extern unsigned short temp10; |
326 | |
257
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327 temp10 = line; // Show source line number as stack depth. |
681 | 328 DISP_resetdebugger(); |
235 | 329 } |
330 #endif | |
257
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331 |
235 | 332 ////////////////////////////////////////////////////////////////////////////// |
333 // When calling C code from ASM context, the data stack pointer and | |
334 // frames should be reset. Bank8 is used by stack, when not doing hashing. | |
335 | |
336 #ifdef CROSS_COMPILE | |
337 # define RESET_C_STACK | |
338 #else | |
339 # ifdef __DEBUG | |
340 # define RESET_C_STACK fillDataStack(); | |
341 void fillDataStack(void) | |
342 { | |
343 _asm | |
344 LFSR 1,C_STACK | |
345 MOVLW 0xCC | |
346 loop: MOVWF POSTINC1,0 | |
347 TSTFSZ FSR1L,0 | |
348 BRA loop | |
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349 |
235 | 350 LFSR 1,C_STACK |
351 LFSR 2,C_STACK | |
352 _endasm | |
353 } | |
354 # else | |
355 # define RESET_C_STACK \ | |
356 _asm \ | |
357 LFSR 1, C_STACK \ | |
358 LFSR 2, C_STACK \ | |
359 _endasm | |
360 # endif | |
361 #endif | |
362 | |
363 ////////////////////////////////////////////////////////////////////////////// | |
257
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364 // Read CF values from the C code. |
235 | 365 |
488 | 366 #ifdef CROSS_COMPILE |
367 // Full description of the OSTC EEPROM map, including CF values. | |
368 # include "OSTC_eeprom.h" | |
369 #endif | |
370 | |
203 | 371 static short read_custom_function(PARAMETER unsigned char cf) |
167 | 372 { |
184 | 373 #ifdef CROSS_COMPILE |
564 | 374 return (cf & 32) ? eeprom.bank1_CF[cf-32].value.lo |
375 : eeprom.bank0_CF[cf ].value.lo; | |
184 | 376 #else |
167 | 377 extern unsigned char hi, lo; |
378 extern void getcustom15(); | |
379 _asm | |
380 movff cf,WREG | |
381 call getcustom15,0 | |
382 movff lo,PRODL | |
383 movff hi,PRODH | |
384 _endasm | |
184 | 385 #endif |
167 | 386 } |
387 | |
388 ////////////////////////////////////////////////////////////////////////////// | |
257
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389 // Fast subroutine to read RTC timer 3. |
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390 // Note: result is in 1/32 of msecs. |
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391 static unsigned short tmr3(void) |
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392 { |
261 | 393 #ifndef CROSS_COMPILE |
257
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394 _asm |
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395 movff 0xfb2,PRODL // TMR3L |
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396 movff 0xfb3,PRODH // TMR3H |
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397 _endasm // result in PRODH:PRODL. |
261 | 398 #else |
399 return 0; | |
400 #endif | |
257
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401 } |
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402 |
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403 ////////////////////////////////////////////////////////////////////////////// |
258 | 404 // read buhlmann tables A and B for compatriment ci |
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405 // |
258 | 406 static void read_buhlmann_coefficients(void) |
165 | 407 { |
184 | 408 #ifndef CROSS_COMPILE |
167 | 409 // Note: we don't use far rom pointer, because the |
338 | 410 // 24 bits is too complex, hence we have to set |
167 | 411 // the UPPER page ourself... |
412 // --> Set zero if tables are moved to lower pages ! | |
413 _asm | |
414 movlw 1 | |
415 movwf TBLPTRU,0 | |
416 _endasm | |
184 | 417 #endif |
258 | 418 |
564 | 419 assert( ci < NUM_COMP ); |
338 | 420 |
421 // Use an interleaved array (AoS) to access coefficients with a | |
422 // single addressing. | |
423 { | |
424 overlay rom const float* ptr = &buhlmann_ab[4*ci]; | |
425 var_N2_a = *ptr++; | |
426 var_N2_b = *ptr++; | |
427 var_He_a = *ptr++; | |
428 var_He_b = *ptr++; | |
429 } | |
258 | 430 } |
431 | |
432 ////////////////////////////////////////////////////////////////////////////// | |
433 // read buhlmann tables for compatriment ci | |
434 // If period == 0 : 2sec interval | |
435 // 1 : 1 min interval | |
436 // 2 : 10 min interval. | |
437 static void read_buhlmann_times(PARAMETER char period) | |
438 { | |
439 #ifndef CROSS_COMPILE | |
440 // Note: we don't use far rom pointer, because the | |
441 // 24 bits is to complex, hence we have to set | |
442 // the UPPER page ourself... | |
443 // --> Set zero if tables are moved to lower pages ! | |
444 _asm | |
445 movlw 1 | |
446 movwf TBLPTRU,0 | |
447 _endasm | |
448 #endif | |
338 | 449 |
564 | 450 assert( ci < NUM_COMP ); |
258 | 451 |
165 | 452 // Integration intervals. |
167 | 453 switch(period) |
165 | 454 { |
455 case 0: //---- 2 sec ----------------------------------------------------- | |
338 | 456 { |
457 overlay rom const float* ptr = &e2secs[2*ci]; | |
458 var_N2_e = *ptr++; | |
459 var_He_e = *ptr++; | |
460 } | |
165 | 461 break; |
462 | |
463 case 1: //---- 1 min ----------------------------------------------------- | |
338 | 464 { |
465 overlay rom const float* ptr = &e1min[2*ci]; | |
466 var_N2_e = *ptr++; | |
467 var_He_e = *ptr++; | |
468 } | |
165 | 469 break; |
470 | |
471 case 2: //---- 10 min ---------------------------------------------------- | |
338 | 472 { |
473 overlay rom const float* ptr = &e10min[2*ci]; | |
474 var_N2_e = *ptr++; | |
475 var_He_e = *ptr++; | |
476 } | |
165 | 477 break; |
197 | 478 |
479 default: | |
527 | 480 assert(0); // Never go there... |
165 | 481 } |
482 } | |
483 | |
484 ////////////////////////////////////////////////////////////////////////////// | |
509 | 485 // read buhlmann tables for compatriment ci |
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486 // |
509 | 487 static void read_buhlmann_ht(void) |
488 { | |
489 | |
490 #ifndef CROSS_COMPILE | |
491 // Note: we don't use far rom pointer, because the | |
492 // 24 bits is to complex, hence we have to set | |
493 // the UPPER page ourself... | |
494 // --> Set zero if tables are moved to lower pages ! | |
495 _asm | |
496 movlw 1 | |
497 movwf TBLPTRU,0 | |
498 _endasm | |
499 #endif | |
500 | |
564 | 501 assert( ci < NUM_COMP ); |
509 | 502 { |
503 overlay rom const float* ptr = &buhlmann_ht[2*ci]; | |
504 var_N2_ht = *ptr++; | |
505 var_He_ht = *ptr++; | |
711
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506 } |
509 | 507 |
508 assert( 4.0 <= var_N2_ht && var_N2_ht <= 635.0 ); | |
509 assert( 1.5099 <= var_He_ht && var_He_ht <= 240.03 ); | |
510 } | |
511 | |
512 ////////////////////////////////////////////////////////////////////////////// | |
340
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513 // calc_nextdecodepth |
165 | 514 // |
116 | 515 // new in v.102 |
165 | 516 // |
116 | 517 // INPUT, changing during dive: |
509 | 518 // temp_deco |
192 | 519 // low_depth |
167 | 520 // |
116 | 521 // INPUT, fixed during dive: |
167 | 522 // pres_surface |
523 // GF_delta | |
524 // GF_high | |
525 // GF_low | |
171 | 526 // char_I_depth_last_deco |
167 | 527 // float_deco_distance |
528 // | |
241 | 529 // RETURN TRUE iff a stop is needed. |
530 // | |
116 | 531 // OUTPUT |
171 | 532 // locked_GF_step |
167 | 533 // temp_depth_limt |
192 | 534 // low_depth |
167 | 535 // |
241 | 536 static unsigned char calc_nextdecodepth(void) |
167 | 537 { |
241 | 538 //--- Max ascent speed --------------------------------------------------- |
539 // Recompute leading gas limit, at current depth: | |
317 | 540 overlay float depth = (temp_deco - pres_surface) * BAR_TO_METER; |
241 | 541 |
542 // At most, ascent 1 minute, at 10m/min == 10.0 m. | |
302 | 543 overlay float min_depth = (depth > 10.0) ? (depth - 10.0) : 0.0; |
711
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544 |
241 | 545 // Do we need to stop at current depth ? |
546 overlay unsigned char need_stop = 0; | |
547 | |
548 assert( depth >= -0.2 ); // Allow for 200mbar of weather change. | |
549 | |
212 | 550 //---- ZH-L16 + GRADIENT FACTOR model ------------------------------------ |
711
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551 if( char_I_deco_model != 0 ) |
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552 { |
562 | 553 overlay unsigned char first_stop = 0; |
554 overlay float p; | |
555 | |
567 | 556 sim_limit( GF_low ); |
562 | 557 p = sim_lead_tissue_limit - pres_surface; |
695 | 558 p *= BAR_TO_METER; |
562 | 559 if( p <= 0.0f ) |
560 goto no_deco_stop; // We can surface directly... | |
512
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561 |
695 | 562 // Store the deepest point needing a deco stop as the LOW reference for GF. |
563 // NOTE: following stops will be validated using this LOW-HIGH gf scale, | |
564 // so if we want to keep coherency, we should not validate this stop | |
565 // yet, but apply the search to it, as for all the following stops afterward. | |
566 if( p > low_depth ) | |
567 { | |
568 low_depth = p; | |
569 locked_GF_step = GF_delta / low_depth; | |
570 } | |
571 | |
562 | 572 if( p < min_depth ) |
573 goto no_deco_stop; // First stop is higher than 1' ascent. | |
275
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574 |
695 | 575 // Round to multiple of 3m. |
576 first_stop = 3 * (short)(0.9995f + p*0.333333f); | |
562 | 577 assert( first_stop < 128 ); |
578 | |
579 // Apply correction for the shallowest stop. | |
580 if( first_stop == 3 ) // new in v104 | |
581 first_stop = char_I_depth_last_deco; // Use last 3m..6m instead. | |
171 | 582 |
562 | 583 // We have a stop candidate. |
584 // But maybe ascending to the next stop will diminish the constraint, | |
585 // because the GF might decrease more than the preassure gradient... | |
586 while(first_stop > 0) | |
587 { | |
588 overlay unsigned char next_stop; // Next depth (0..90m) | |
171 | 589 |
562 | 590 // Check max speed, or reaching surface. |
591 if( first_stop <= min_depth ) | |
592 goto no_deco_stop; | |
171 | 593 |
562 | 594 if( first_stop <= char_I_depth_last_deco ) // new in v104 |
595 next_stop = 0; | |
596 else if( first_stop == 6 ) | |
597 next_stop = char_I_depth_last_deco; | |
598 else | |
599 next_stop = first_stop - 3; // Index of next (upper) stop. | |
711
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600 |
562 | 601 // Total preassure at the new stop candidate: |
695 | 602 p = next_stop * METER_TO_BAR |
711
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603 + pres_surface; |
167 | 604 |
695 | 605 // Recompute limit for this new stop: |
606 if( !low_depth || next_stop > low_depth ) | |
607 sim_limit( GF_low ); | |
608 else | |
609 sim_limit( GF_high - next_stop * locked_GF_step ); | |
192 | 610 |
695 | 611 // Check upper limit (lowest ambiant pressure tolerated): |
612 if( sim_lead_tissue_limit >= p ) | |
613 goto deco_stop_found; // Ascent to next_stop forbiden. | |
562 | 614 |
615 // Else, validate that stop and loop... | |
616 first_stop = next_stop; | |
617 } | |
171 | 618 |
562 | 619 no_deco_stop: |
711
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620 temp_depth_limit = min_depth; |
562 | 621 goto done; |
212 | 622 |
695 | 623 deco_stop_found: |
562 | 624 // next stop is the last validated depth found, aka first_stop |
625 need_stop = 1; // Hit. | |
626 temp_depth_limit = first_stop; // Stop depth, in meter. | |
627 | |
628 done: | |
629 ; | |
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630 } |
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631 else //---- ZH-L16 model ------------------------------------------------- |
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632 { |
192 | 633 overlay float pres_gradient; |
634 | |
711
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635 // Original model |
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636 // optimized in v.101 |
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637 // char_I_depth_last_deco included in v.101 |
116 | 638 |
192 | 639 // Compute sim_lead_tissue_limit too, but just once. |
640 sim_limit(1.0); | |
641 | |
711
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642 pres_gradient = sim_lead_tissue_limit - pres_surface; |
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643 if (pres_gradient >= 0) |
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644 { |
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645 pres_gradient *= BAR_TO_METER/3; // Bar --> stop number; |
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646 temp_depth_limit = 3 * (short) (pres_gradient + 0.99); // --> metre : depth for deco |
241 | 647 need_stop = 1; // Hit. |
648 | |
649 // Implement last stop at 4m/5m/6m... | |
711
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650 if( temp_depth_limit == 3 ) |
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651 temp_depth_limit = char_I_depth_last_deco; |
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652 } |
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653 else |
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654 temp_depth_limit = 0; |
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655 } |
212 | 656 |
217 | 657 //---- Check gas change -------------------------------------------------- |
241 | 658 need_stop |= gas_switch_deepest(); // Update temp_depth_limit if there is a change, |
659 | |
660 return need_stop; | |
167 | 661 } |
116 | 662 |
167 | 663 ////////////////////////////////////////////////////////////////////////////// |
169
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664 // copy_deco_table |
167 | 665 // |
169
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666 // Buffer the stops, once computed, so we can continue to display them |
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667 // while computing the next set. |
167 | 668 // |
169
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669 static void copy_deco_table(void) |
116 | 670 { |
169
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671 // Copy depth of the first (deepest) stop, because when reversing |
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672 // order, it will be hard to find... |
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673 char_O_first_deco_depth = internal_deco_depth[0] & 0x7F; |
169
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674 char_O_first_deco_time = internal_deco_time [0]; |
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675 |
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676 if( read_custom_function(54) & 1 ) //---- Should we reverse table ? ------ |
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677 { |
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678 overlay unsigned char x, y; |
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679 |
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680 //---- First: search the first non-null depth |
339 | 681 for(x=(NUM_STOPS-1); x != 0; --x) |
169
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682 if( internal_deco_depth[x] != 0 ) break; |
116 | 683 |
169
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684 //---- Second: copy to output table (in reverse order) |
338 | 685 for(y=0; y<NUM_STOPS; y++, --x) |
169
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686 { |
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687 char_O_deco_depth[y] = internal_deco_depth[x]; |
633
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688 char_O_deco_time_for_log[y] = internal_deco_time [x]; |
169
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689 char_O_deco_time [y] = internal_deco_time [x]; |
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690 |
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691 // Stop only once the last transfer is done. |
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692 if( x == 0 ) break; |
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693 } |
116 | 694 |
169
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695 //---- Third: fill table end with null |
339 | 696 for(y++; y<NUM_STOPS; y++) |
169
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697 { |
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698 char_O_deco_time [y] = 0; |
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699 char_O_deco_depth[y] = 0; |
630
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700 char_O_deco_time_for_log[y] = 0; |
169
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701 } |
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702 } |
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703 else //---- Straight copy ------------------------------------------------ |
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704 { |
630
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705 overlay unsigned char x, y; |
167 | 706 |
339 | 707 for(x=0; x<NUM_STOPS; x++) |
169
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708 { |
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709 char_O_deco_depth[x] = internal_deco_depth[x]; |
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710 char_O_deco_time [x] = internal_deco_time [x]; |
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711 } |
630
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712 |
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713 //Now fill the char_O_deco_time_for_log array |
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714 //---- First: search the first non-null depth |
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715 for(x=(NUM_STOPS-1); x != 0; --x) |
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716 if( internal_deco_depth[x] != 0 ) break; |
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717 |
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718 //---- Second: copy to output table (in reverse order) |
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719 for(y=0; y<NUM_STOPS; y++, --x) |
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720 { |
633
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721 char_O_deco_time_for_log[y] = internal_deco_time [x]; |
630
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722 |
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723 // Stop only once the last transfer is done. |
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724 if( x == 0 ) break; |
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725 } |
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726 |
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727 //---- Third: fill table end with null |
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728 for(y++; y<NUM_STOPS; y++) |
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729 { |
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730 char_O_deco_time_for_log [y] = 0; |
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731 } |
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732 |
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733 } |
167 | 734 } |
116 | 735 |
167 | 736 ////////////////////////////////////////////////////////////////////////////// |
116 | 737 // temp_tissue_safety // |
167 | 738 // |
116 | 739 // outsourced in v.102 |
167 | 740 // |
741 // Apply safety factors for brand ZH-L16 model. | |
742 // | |
743 static void temp_tissue_safety(void) | |
116 | 744 { |
197 | 745 assert( 0.0 < float_desaturation_multiplier && float_desaturation_multiplier <= 1.0 ); |
746 assert( 1.0 <= float_saturation_multiplier && float_saturation_multiplier <= 2.0 ); | |
747 | |
711
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748 if( char_I_deco_model == 0 ) |
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749 { |
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750 if( temp_tissue < 0.0 ) |
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751 temp_tissue *= float_desaturation_multiplier; |
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|
752 else |
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|
753 temp_tissue *= float_saturation_multiplier; |
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754 } |
167 | 755 } |
116 | 756 |
167 | 757 ////////////////////////////////////////////////////////////////////////////// |
758 ////////////////////////////////////////////////////////////////////////////// | |
116 | 759 // ** THE JUMP-IN CODE ** |
760 // ** for the asm code ** | |
167 | 761 ////////////////////////////////////////////////////////////////////////////// |
762 ////////////////////////////////////////////////////////////////////////////// | |
122
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763 |
167 | 764 ////////////////////////////////////////////////////////////////////////////// |
169
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765 // Called every 2 seconds during diving. |
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766 // update tissues every time. |
184 | 767 // |
169
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768 // Every 6 seconds (or slower when TTS > 16): |
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769 // - update deco table (char_O_deco_time/depth) with new values. |
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770 // - update ascent time, |
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771 // - set status to zero (so we can check there is new results). |
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772 // |
116 | 773 void deco_calc_hauptroutine(void) |
774 { | |
122
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775 RESET_C_STACK |
116 | 776 calc_hauptroutine(); |
777 int_O_desaturation_time = 65535; | |
778 } | |
779 | |
167 | 780 ////////////////////////////////////////////////////////////////////////////// |
184 | 781 // Reset decompression model: |
782 // + Set all tissues to equilibrium with Air at ambient pressure. | |
783 // + Reset last stop to 0m | |
784 // + Reset all model output. | |
116 | 785 void deco_clear_tissue(void) |
786 { | |
122
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787 RESET_C_STACK |
116 | 788 clear_tissue(); |
789 } | |
790 | |
167 | 791 ////////////////////////////////////////////////////////////////////////////// |
278 | 792 // Called every 1 min during decoplanning. |
793 // Update tissues for 1 min. | |
794 // | |
795 void deco_calc_tissue(void) | |
796 { | |
797 RESET_C_STACK | |
798 calc_hauptroutine_update_tissues(); | |
711
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minor cleanups for CNS/NOAA bugfix.
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799 } |
278 | 800 |
801 ////////////////////////////////////////////////////////////////////////////// | |
167 | 802 |
116 | 803 void deco_calc_wo_deco_step_1_min(void) |
804 { | |
122
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805 RESET_C_STACK |
116 | 806 calc_wo_deco_step_1_min(); |
807 deco_calc_desaturation_time(); | |
808 } | |
809 | |
167 | 810 ////////////////////////////////////////////////////////////////////////////// |
811 | |
368 | 812 void deco_calc_dive_interval(void) |
813 { | |
814 RESET_C_STACK | |
815 calc_dive_interval(); | |
816 } | |
817 | |
241 | 818 ////////////////////////////////////////////////////////////////////////////// |
819 // Find current gas in the list (if any). | |
711
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820 // |
513 | 821 // Input: char_I_current_gas = 1..6 |
241 | 822 // |
513 | 823 // Output: sim_gas_last_depth = 0..5, temp_depth_limit. |
241 | 824 // |
825 static void gas_switch_find_current(void) | |
826 { | |
513 | 827 assert( 0 < char_I_current_gas && char_I_current_gas <= (NUM_GAS+1) ); |
247
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828 |
388 | 829 if( char_I_current_gas <= NUM_GAS ) // Gas1..Gas5 |
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830 { |
388 | 831 sim_gas_last_used = char_I_current_gas; |
832 | |
833 // Note: if current is first gas, we must find it, but not set | |
834 // last depth change to surface. | |
835 if( char_I_deco_gas_change[sim_gas_last_used-1] ) | |
836 sim_gas_last_depth = char_I_deco_gas_change[sim_gas_last_used-1]; | |
241 | 837 } |
388 | 838 else |
839 sim_gas_last_used = 0; // Gas 6 = manual set | |
241 | 840 } |
841 | |
167 | 842 ////////////////////////////////////////////////////////////////////////////// |
217 | 843 // Find deepest available gas. |
711
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844 // |
241 | 845 // Input: temp_depth_limit, |
846 // deco_gas_change[] | |
847 // sim_gas_delay, sim_gas_depth_used, sim_dive_mins. | |
212 | 848 // |
241 | 849 // RETURNS TRUE if a stop is needed for gas switch. |
850 // | |
851 // Output: temp_depth_limit, sim_gas_delay, sim_gas_depth_used IFF the is a switch. | |
212 | 852 // |
241 | 853 // NOTE: might be called from bottom (when sim_gas_delay and sim_gas_depth_used |
854 // are null), or during the ascent to make sure we are not passing a | |
855 // stop (in which case both can be already set). | |
856 // | |
857 static unsigned char gas_switch_deepest(void) | |
201 | 858 { |
241 | 859 overlay unsigned char switch_deco = 0, switch_last = 0; |
201 | 860 |
861 if (char_I_const_ppO2 == 0) | |
862 { | |
225 | 863 overlay unsigned char j; |
864 | |
241 | 865 // Loop over all enabled gas, to find the deepest one, |
340
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866 // above last used gas, but below temp_depth_limit. |
338 | 867 for(j=0; j<NUM_GAS; ++j) |
225 | 868 { |
241 | 869 // Gas not (yet) allowed ? Skip ! |
870 if( temp_depth_limit > deco_gas_change[j] ) | |
871 continue; | |
872 | |
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873 // Gas deeper (or equal) than the current one ? Skip ! |
241 | 874 if( sim_gas_last_depth && deco_gas_change[j] >= sim_gas_last_depth ) |
875 continue; | |
876 | |
877 // First, or deeper ? | |
247
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diff
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878 if( switch_deco < deco_gas_change[j] ) |
241 | 879 { |
880 switch_deco = deco_gas_change[j]; | |
388 | 881 switch_last = j+1; // 1..5 |
241 | 882 } |
225 | 883 } |
201 | 884 } |
885 | |
203 | 886 // If there is a better gas available |
241 | 887 if( switch_deco ) |
201 | 888 { |
646 | 889 unsigned char delay; |
890 delay = read_custom_function(55); | |
555
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891 |
241 | 892 assert( !sim_gas_last_depth || sim_gas_last_depth > switch_deco ); |
201 | 893 |
241 | 894 // Should restart gas-switch delay only when gas do changes... |
895 assert( sim_gas_delay <= sim_dive_mins ); | |
217 | 896 |
241 | 897 sim_gas_last_depth = switch_deco; |
898 sim_gas_last_used = switch_last; | |
555
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899 sim_gas_delay = delay |
540
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900 + sim_dive_mins; |
217 | 901 |
555
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902 if( delay ) |
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903 { |
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904 temp_depth_limit = switch_deco; |
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905 return 1; |
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|
906 } |
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907 else |
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908 return 0; |
217 | 909 } |
910 | |
241 | 911 sim_gas_delay = 0; |
912 return 0; | |
217 | 913 } |
914 | |
915 ////////////////////////////////////////////////////////////////////////////// | |
916 // Calculate gas switches | |
711
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917 // |
217 | 918 // |
919 // Input: N2_ratio, He_ratio. | |
920 // sim_gas_last_used | |
921 // | |
922 // Output: calc_N2_ratio, calc_He_ratio | |
923 // | |
241 | 924 static void gas_switch_set(void) |
217 | 925 { |
564 | 926 assert( sim_gas_last_used <= NUM_GAS ); |
217 | 927 |
388 | 928 if( sim_gas_last_used == 0 ) // Gas6 = manualy set gas. |
224 | 929 { |
930 calc_N2_ratio = N2_ratio; | |
711
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|
931 calc_He_ratio = He_ratio; |
224 | 932 } |
933 else | |
934 { | |
935 calc_N2_ratio = char_I_deco_N2_ratio[sim_gas_last_used-1] * 0.01; | |
711
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936 calc_He_ratio = char_I_deco_He_ratio[sim_gas_last_used-1] * 0.01; |
217 | 937 } |
201 | 938 |
939 assert( 0.0 <= calc_N2_ratio && calc_N2_ratio <= 0.95 ); | |
940 assert( 0.0 <= calc_He_ratio && calc_He_ratio <= 0.95 ); | |
941 assert( (calc_N2_ratio + calc_He_ratio) <= 1.00 ); | |
942 } | |
943 | |
944 ////////////////////////////////////////////////////////////////////////////// | |
945 // | |
212 | 946 // Input: calc_N2_ratio, calc_He_ratio : simulated gas mix. |
509 | 947 // temp_deco : simulated respiration pressure |
276 | 948 // float_deco_distance : security factor. |
310
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949 // Water-vapor pressure inside limbs (ppWater). |
212 | 950 // |
236 | 951 // Output: ppN2, ppHe. |
212 | 952 // |
953 static void sim_alveolar_presures(void) | |
201 | 954 { |
212 | 955 overlay float deco_diluent = temp_deco; // new in v.101 |
956 | |
276 | 957 // Take deco offset into account, but not at surface. |
958 // Note: this should be done on ambiant pressure, hence before | |
959 // computing the diluant partial pressure... | |
960 if( deco_diluent > pres_surface ) | |
961 deco_diluent += float_deco_distance; | |
962 | |
212 | 963 //---- CCR mode : deco gas switch ? -------------------------------------- |
276 | 964 if( char_I_const_ppO2 != 0 ) |
711
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965 { |
276 | 966 // In CCR mode, use calc_XX_ratio instead of XX_ratio. |
967 // Note: PPO2 and ratios are known outside the lumbs, so there is no | |
310
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968 // ppWater in the equations below: |
321 | 969 deco_diluent -= const_ppO2; |
276 | 970 deco_diluent /= calc_N2_ratio + calc_He_ratio; |
212 | 971 |
972 if (deco_diluent > temp_deco) | |
711
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973 deco_diluent = temp_deco; |
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974 } |
201 | 975 |
310
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976 if( deco_diluent > ppWater ) |
201 | 977 { |
310
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978 ppN2 = calc_N2_ratio * (deco_diluent - ppWater); |
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979 ppHe = calc_He_ratio * (deco_diluent - ppWater); |
201 | 980 } |
981 else | |
982 { | |
236 | 983 ppN2 = 0.0; |
201 | 984 ppHe = 0.0; |
985 } | |
236 | 986 assert( 0.0 <= ppN2 && ppN2 < 14.0 ); |
201 | 987 assert( 0.0 <= ppHe && ppHe < 14.0 ); |
988 } | |
989 | |
990 ////////////////////////////////////////////////////////////////////////////// | |
167 | 991 // clear_tissue |
992 // | |
165 | 993 // optimized in v.101 (var_N2_a) |
167 | 994 // |
995 // preload tissues with standard pressure for the given ambient pressure. | |
996 // Note: fixed N2_ratio for standard air. | |
201 | 997 // |
167 | 998 static void clear_tissue(void) |
116 | 999 { |
511
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1000 overlay float p; |
711
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|
1001 flag_in_divemode = 0; |
116 | 1002 |
167 | 1003 // Kludge: the 0.0002 of 0.7902 are missing with standard air. |
1004 N2_ratio = 0.7902; | |
212 | 1005 pres_respiration = int_I_pres_respiration * 0.001; |
711
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1006 |
511
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1007 p = N2_ratio * (pres_respiration - ppWater); |
338 | 1008 for(ci=0; ci<NUM_COMP; ci++) |
126 | 1009 { |
511
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1010 // cycle through the 16 Bühlmann N2 tissues |
339 | 1011 pres_tissue_N2[ci] = p; |
197 | 1012 |
1013 // cycle through the 16 Bühlmann tissues for Helium | |
339 | 1014 pres_tissue_He[ci] = 0.0; |
511
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1015 } |
116 | 1016 |
169
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1017 clear_deco_table(); |
126 | 1018 char_O_deco_status = 0; |
1019 char_O_nullzeit = 0; | |
168 | 1020 int_O_ascenttime = 0; |
126 | 1021 char_O_gradient_factor = 0; |
1022 char_O_relative_gradient_GF = 0; | |
258 | 1023 |
1024 calc_lead_tissue_limit = 0.0; | |
1025 char_O_gtissue_no = 0; | |
167 | 1026 } |
116 | 1027 |
167 | 1028 ////////////////////////////////////////////////////////////////////////////// |
1029 // calc_hauptroutine | |
1030 // | |
1031 // this is the major code in dive mode calculates: | |
116 | 1032 // the tissues, |
167 | 1033 // the bottom time, |
1034 // and simulates the ascend with all deco stops. | |
171 | 1035 // |
1036 // The deco_state sequence is : | |
1037 // 3 (at surface) | |
1038 // +---> 0 : calc nullzeit | |
1039 // | 2 : simulate ascent to first stop (at 10m/min, less that 16x 1min simu) | |
1040 // | +-> 1 : simulate up to 16min of stops. | |
1041 // | +------< not finished | |
1042 // +--------< finish | |
1043 // | |
312
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1044 // Added steps 6,5 for @+5 calculation: |
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1045 // 6 = ascent to first stop (same as 2), except continue to 7 |
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1046 // 7 = same as 1, except loop to 7. |
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1047 // |
167 | 1048 static void calc_hauptroutine(void) |
116 | 1049 { |
711
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|
1050 static unsigned char backup_gas_used = 0; |
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|
1051 static unsigned char backup_gas_depth = 0; |
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|
1052 static unsigned char backup_gas_delay = 0; |
186 | 1053 |
711
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parents:
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|
1054 calc_hauptroutine_data_input(); |
116 | 1055 |
711
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|
1056 calc_hauptroutine_update_tissues(); |
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|
1057 calc_gradient_factor(); |
116 | 1058 |
711
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|
1059 // toggle between calculation for nullzeit (bottom time), |
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|
1060 // deco stops |
167 | 1061 // and more deco stops (continue) |
697 | 1062 switch( char_O_deco_status ) |
711
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1063 { |
186 | 1064 case 3: //---- At surface: start a new dive ------------------------------ |
711
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1065 clear_deco_table(); |
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1066 copy_deco_table(); |
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1067 int_O_ascenttime = 0; // Reset DTR. |
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|
1068 int_O_extra_ascenttime = 0; |
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|
1069 char_O_nullzeit = 0; // Reset bottom time. |
278 | 1070 char_O_deco_status = 0; // Calc bottom-time/nullzeit next iteration. |
201 | 1071 |
217 | 1072 // Values that should be reset just once for the full real dive. |
1073 // This is used to record the lowest stop for the whole dive, | |
1074 // Including ACCROSS all simulated ascent. | |
695 | 1075 low_depth = 0.0; |
567 | 1076 locked_GF_step = 0.0; |
217 | 1077 |
1078 // Reset gas switch history. | |
241 | 1079 backup_gas_used = sim_gas_last_used = 0; |
1080 backup_gas_depth = sim_gas_last_depth = 0; | |
217 | 1081 backup_gas_delay = sim_gas_delay = 0; |
203 | 1082 sim_dive_mins = 0; |
1083 break; | |
186 | 1084 |
167 | 1085 case 0: //---- bottom time ----------------------------------------------- |
312
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1086 default: |
509 | 1087 gas_switch_find_current(); // Lookup for current gas & time. |
1088 gas_switch_set(); // setup calc_ratio's | |
1089 | |
711
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diff
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|
1090 calc_nullzeit(); |
534
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1091 if( char_O_nullzeit > 0 ) // Some NDL time left ? |
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BUGFIX NDL deco blocking stops during ascent when less than 10' TTS.
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|
1092 { |
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BUGFIX NDL deco blocking stops during ascent when less than 10' TTS.
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diff
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|
1093 char_O_deco_status = 0; // YES: recalc ndl next time. |
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1094 clear_deco_table(); // Also clear stops ! |
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diff
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|
1095 copy_deco_table(); |
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BUGFIX NDL deco blocking stops during ascent when less than 10' TTS.
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diff
changeset
|
1096 char_O_deco_last_stop = 0; // And last stop (OSTC menu anim) |
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BUGFIX NDL deco blocking stops during ascent when less than 10' TTS.
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|
1097 } |
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BUGFIX NDL deco blocking stops during ascent when less than 10' TTS.
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|
1098 else |
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BUGFIX NDL deco blocking stops during ascent when less than 10' TTS.
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|
1099 char_O_deco_status = 2; // NO: calc ascent next time. |
711
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|
1100 break; |
186 | 1101 |
1102 case 2: //---- Simulate ascent to first stop ----------------------------- | |
312
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1103 case 6: // @+5min variation |
203 | 1104 // Check proposed gas at begin of ascent simulation |
247
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1105 sim_dive_mins = int_I_divemins; // Init current time. |
241 | 1106 |
711
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diff
changeset
|
1107 gas_switch_find_current(); // Lookup for current gas & time. |
532 | 1108 gas_switch_set(); // setup calc_ratio's |
1109 | |
247
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1110 backup_gas_used = sim_gas_last_used; // And save for later simu steps. |
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1111 backup_gas_depth = sim_gas_last_depth; // And save for later simu steps. |
203 | 1112 backup_gas_delay = sim_gas_delay; |
186 | 1113 |
711
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changeset
|
1114 sim_ascent_to_first_stop(); |
201 | 1115 |
312
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1116 // Calc stops next time (deco or gas switch). |
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1117 char_O_deco_status = 1 | ( char_O_deco_status & 4 ); |
711
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changeset
|
1118 break; |
169
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|
1119 |
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|
1120 case 1: //---- Simulate stops -------------------------------------------- |
312
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1121 case 5: // @+5 variation. |
711
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diff
changeset
|
1122 calc_hauptroutine_calc_deco(); |
186 | 1123 |
1124 // If simulation is finished, restore the GF low reference, so that | |
1125 // next ascent simulation is done from the current depth: | |
711
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changeset
|
1126 if( (char_O_deco_status & 3) == 0 ) |
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changeset
|
1127 { |
241 | 1128 sim_gas_last_used = backup_gas_used; |
1129 sim_gas_last_depth = backup_gas_depth; | |
247
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|
1130 sim_gas_delay = backup_gas_delay; |
186 | 1131 } |
711
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|
1132 break; |
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|
1133 } |
167 | 1134 |
116 | 1135 } |
1136 | |
167 | 1137 ////////////////////////////////////////////////////////////////////////////// |
1138 // calc_hauptroutine_data_input | |
1139 // | |
1140 // Reset all C-code dive parameters from their ASM-code values. | |
1141 // Detect gas change condition. | |
1142 // | |
116 | 1143 void calc_hauptroutine_data_input(void) |
1144 { | |
203 | 1145 overlay short int_temp; |
511
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changeset
|
1146 overlay unsigned char g; |
711
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|
1147 |
197 | 1148 pres_respiration = int_I_pres_respiration * 0.001; |
1149 pres_surface = int_I_pres_surface * 0.001; | |
1150 N2_ratio = char_I_N2_ratio * 0.01; | |
1151 He_ratio = char_I_He_ratio * 0.01; | |
1152 float_deco_distance = char_I_deco_distance * 0.01; // Get offset is in mbar. | |
116 | 1153 |
126 | 1154 // ____________________________________________________ |
1155 // | |
1156 // _____________ G A S _ C H A N G E S ________________ | |
1157 // ____________________________________________________ | |
711
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|
1158 |
212 | 1159 // Keep a margin of 150mbar = 1.50m |
1160 int_temp = (int_I_pres_respiration - int_I_pres_surface) | |
1161 + MBAR_REACH_GASCHANGE_AUTO_CHANGE_OFF; | |
711
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changeset
|
1162 |
203 | 1163 // Gas are selectable if we did not pass the change depth by more than 1.50m: |
511
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|
1164 for(g=0; g < NUM_GAS; ++g) |
126 | 1165 { |
511
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|
1166 deco_gas_change[g] = 0; |
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diff
changeset
|
1167 if(char_I_deco_gas_change[g]) |
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diff
changeset
|
1168 if( int_temp > 100 *(short)char_I_deco_gas_change[g] ) |
711
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diff
changeset
|
1169 deco_gas_change[g] = char_I_deco_gas_change[g]; |
126 | 1170 } |
116 | 1171 |
197 | 1172 const_ppO2 = char_I_const_ppO2 * 0.01; |
1173 float_desaturation_multiplier = char_I_desaturation_multiplier * 0.01; | |
1174 float_saturation_multiplier = char_I_saturation_multiplier * 0.01; | |
1175 GF_low = char_I_GF_Low_percentage * 0.01; | |
1176 GF_high = char_I_GF_High_percentage * 0.01; | |
126 | 1177 GF_delta = GF_high - GF_low; |
116 | 1178 } |
1179 | |
167 | 1180 ////////////////////////////////////////////////////////////////////////////// |
171 | 1181 // |
1182 // | |
116 | 1183 void calc_hauptroutine_update_tissues(void) |
1184 { | |
197 | 1185 assert( 0.00 <= N2_ratio && N2_ratio <= 1.00 ); |
1186 assert( 0.00 <= He_ratio && He_ratio <= 1.00 ); | |
1187 assert( (N2_ratio + He_ratio) <= 0.95 ); | |
237 | 1188 assert( 0.800 < pres_respiration && pres_respiration < 14.0 ); |
197 | 1189 |
711
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changeset
|
1190 pres_diluent = pres_respiration; |
307 | 1191 if( char_I_const_ppO2 != 0 ) // new in v.101 |
186 | 1192 { |
322 | 1193 overlay float flush_ppO2 = pres_respiration * (1.0 - N2_ratio - He_ratio); |
711
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diff
changeset
|
1194 |
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diff
changeset
|
1195 pres_diluent -= const_ppO2; // new in v.101 |
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1196 pres_diluent /= N2_ratio + He_ratio; // new in v.101 |
321 | 1197 if( pres_diluent < 0.0 ) |
1198 pres_diluent = 0.0; | |
711
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1199 if( pres_diluent > pres_respiration ) // new in v.101 |
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1200 pres_diluent = pres_respiration; // new in v.101 |
307 | 1201 |
711
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1202 char_O_diluent = (unsigned char)(pres_diluent/pres_respiration*100.0 + 0.5); |
322 | 1203 |
711
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1204 if( flush_ppO2 > 2.545) flush_ppO2 = 2.55; |
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1205 if( flush_ppO2 < 0.0 ) flush_ppO2 = 0.0; |
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1206 char_O_flush_ppO2 = (unsigned char)(flush_ppO2*100.0 + 0.5); |
186 | 1207 } |
307 | 1208 |
310
b20fc8c4ac92
Fix EAD/END display (not mm, m with a trailling space)
JeanDo
parents:
307
diff
changeset
|
1209 if( pres_diluent > ppWater ) // new in v.101 |
711
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1210 { |
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1211 overlay float EAD, END; |
307 | 1212 |
310
b20fc8c4ac92
Fix EAD/END display (not mm, m with a trailling space)
JeanDo
parents:
307
diff
changeset
|
1213 ppN2 = N2_ratio * (pres_diluent - ppWater); // changed in v.101 |
711
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1214 ppHe = He_ratio * (pres_diluent - ppWater); // changed in v.101 |
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1215 |
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1216 // EAD : Equivalent Air Dive. Equivalent depth for the same N2 level |
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1217 // with plain air. |
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1218 // ppN2 = 79% * (P_EAD - ppWater) |
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1219 // EAD = (P_EAD - Psurface) * 10 |
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1220 // ie: EAD = (ppN2 / 0.7902 + ppWater -Psurface) * 10 |
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1221 EAD = (ppN2 / 0.7902 + ppWater - pres_surface) * BAR_TO_METER; |
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1222 if( EAD < 0.0 || EAD > 245.5 ) EAD = 0.0; |
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1223 char_O_EAD = (unsigned char)(EAD + 0.5); |
307 | 1224 |
711
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1225 // END : Equivalent Narcotic Dive. |
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1226 // Here we count O2 as narcotic too. Hence everything but helium (has a narcosis factor of |
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1227 // 0.23 btw). Hence the formula becomes: |
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1228 // END * BarPerMeter * (1.0 - 0.0) - ppWater + Psurface == Pambient - ppHe - ppWater |
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1229 // ie: END = (Pambient - ppHe - Psurface) * BAR_TO_METER |
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1230 // |
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1231 // Source cited: |
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1232 // The Physiology and Medicine of Diving by Peter Bennett and David Elliott, |
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1233 // 4th edition, 1993, W.B.Saunders Company Ltd, London. |
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1234 END = (pres_respiration - ppHe - pres_surface) * BAR_TO_METER; |
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1235 if( END < 0.0 || END > 245.5 ) END = 0.0; |
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1236 char_O_END = (unsigned char)(END + 0.5); |
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1237 } |
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1238 else // new in v.101 |
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1239 { |
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1240 ppN2 = 0.0; // new in v.101 |
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1241 ppHe = 0.0; // new in v.101 |
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1242 char_O_EAD = char_O_END = 0; |
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1243 } |
116 | 1244 |
711
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1245 if(!char_I_step_is_1min) |
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1246 calc_tissue(0); |
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1247 else |
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1248 calc_tissue(1); |
186 | 1249 |
192 | 1250 // Calc limit for surface, ie. GF_high. |
258 | 1251 calc_limit(); |
186 | 1252 |
711
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1253 int_O_gtissue_limit = (short)(calc_lead_tissue_limit * 1000); |
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1254 int_O_gtissue_press = (short)((pres_tissue_N2[char_O_gtissue_no] + pres_tissue_He[char_O_gtissue_no]) * 1000); |
171 | 1255 } |
1256 | |
116 | 1257 |
167 | 1258 ////////////////////////////////////////////////////////////////////////////// |
169
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1259 // Compute stops. |
711
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1260 // |
169
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1261 // 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
|
1262 // 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
|
1263 // 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
|
1264 // break the loop when total time > 512msec. |
169
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1265 // |
116 | 1266 void calc_hauptroutine_calc_deco(void) |
1267 { | |
169
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1268 overlay unsigned char loop; |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1269 |
711
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1270 for(loop = 0; loop < 16; ++loop) |
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1271 { |
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1272 // Limit loops to 512ms, using the RTC timer 3: |
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1273 if( tmr3() & (512*32) ) |
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1274 break; |
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1275 |
241 | 1276 // Do not ascent while doing a gas switch ? |
203 | 1277 if( sim_gas_delay <= sim_dive_mins ) |
1278 { | |
241 | 1279 if( calc_nextdecodepth() ) |
1280 { | |
1281 if( temp_depth_limit == 0 ) | |
1282 goto Surface; | |
116 | 1283 |
241 | 1284 //---- We hit a stop at temp_depth_limit --------------------- |
317 | 1285 temp_deco = temp_depth_limit * METER_TO_BAR // Convert to relative bar, |
711
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1286 + pres_surface; // To absolute. |
471 | 1287 if( !update_deco_table() ) // Adds a one minute stops. |
1288 goto Surface; // Deco table full: abort... | |
241 | 1289 } |
1290 else | |
1291 { | |
1292 //---- No stop ----------------------------------------------- | |
317 | 1293 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
|
1294 |
241 | 1295 //---- Finish computations once surface is reached ----------- |
1296 if( temp_deco <= pres_surface ) | |
1297 { | |
1298 Surface: | |
471 | 1299 if( char_O_deco_status == 1 ) // Don't in @+5min variant. |
711
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1300 copy_deco_table(); |
312
b7e4e74c0e17
New @5 variant: compute TTS if staying some extra time (CF58) at current depth.
JeanDo
parents:
310
diff
changeset
|
1301 |
b7e4e74c0e17
New @5 variant: compute TTS if staying some extra time (CF58) at current depth.
JeanDo
parents:
310
diff
changeset
|
1302 calc_ascenttime(); |
471 | 1303 char_O_deco_status = 0; // calc nullzeit next time. |
1304 char_O_deco_last_stop = 0; // Surface reached (to animate menu) | |
711
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1305 return; |
241 | 1306 } |
1307 } | |
212 | 1308 } |
1309 else | |
334
4ccdc72ec0e5
BUGFIX minor error in gas-switch algo (spurious surface decostop rarely added).
JeanDo
parents:
326
diff
changeset
|
1310 { |
4ccdc72ec0e5
BUGFIX minor error in gas-switch algo (spurious surface decostop rarely added).
JeanDo
parents:
326
diff
changeset
|
1311 // 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
|
1312 temp_depth_limit = (int)(0.5 + (temp_deco - pres_surface) * BAR_TO_METER); |
471 | 1313 if( !update_deco_table() ) // Just pass one minute. |
1314 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
|
1315 } |
197 | 1316 |
241 | 1317 //---- Then update tissue -------------------------------------------- |
203 | 1318 sim_dive_mins++; // Advance simulated time by 1 minute. |
241 | 1319 gas_switch_set(); // Apply any simulated gas change, once validated. |
711
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1320 sim_alveolar_presures(); // Updates ppN2 and ppHe. |
192 | 1321 sim_tissue(1); // Simulate compartiments for 1 minute. |
711
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1322 } |
169
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1323 |
711
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1324 // Surface not reached, need more stops... for menu animation. |
278 | 1325 char_O_deco_last_stop = temp_depth_limit; // Reached depth. |
116 | 1326 } |
1327 | |
167 | 1328 ////////////////////////////////////////////////////////////////////////////// |
169
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1329 // Simulation ascention to first deco stop. |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1330 // |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1331 // 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
|
1332 // 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
|
1333 // (or we are already in deep shit). |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1334 // |
334
4ccdc72ec0e5
BUGFIX minor error in gas-switch algo (spurious surface decostop rarely added).
JeanDo
parents:
326
diff
changeset
|
1335 // Input: pres_respiration |
4ccdc72ec0e5
BUGFIX minor error in gas-switch algo (spurious surface decostop rarely added).
JeanDo
parents:
326
diff
changeset
|
1336 // Output: temp_deco |
4ccdc72ec0e5
BUGFIX minor error in gas-switch algo (spurious surface decostop rarely added).
JeanDo
parents:
326
diff
changeset
|
1337 // |
312
b7e4e74c0e17
New @5 variant: compute TTS if staying some extra time (CF58) at current depth.
JeanDo
parents:
310
diff
changeset
|
1338 // 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
|
1339 // before ascent. |
169
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1340 void sim_ascent_to_first_stop(void) |
116 | 1341 { |
698 | 1342 overlay unsigned char fast = 1; // 1min or 2sec steps. |
1343 | |
171 | 1344 update_startvalues(); |
169
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1345 clear_deco_table(); |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1346 |
711
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1347 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
|
1348 |
312
b7e4e74c0e17
New @5 variant: compute TTS if staying some extra time (CF58) at current depth.
JeanDo
parents:
310
diff
changeset
|
1349 // 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
|
1350 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
|
1351 sim_extra_time(); |
b7e4e74c0e17
New @5 variant: compute TTS if staying some extra time (CF58) at current depth.
JeanDo
parents:
310
diff
changeset
|
1352 |
212 | 1353 // Do we have a gas switch going on ? |
1354 if( sim_gas_delay > sim_dive_mins ) | |
1355 return; | |
1356 | |
241 | 1357 //---- Loop until first stop, gas switch, or surface is reached ---------- |
711
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1358 for(;;) |
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
1359 { |
461 | 1360 overlay float old_deco = temp_deco; // Pamb backup (bars) |
460 | 1361 |
698 | 1362 // Try ascending 1 full minute (fast) or 2sec (!fast): |
1363 if( fast ) | |
1364 temp_deco -= 10*METER_TO_BAR; // 1 min, at 10m/min. ~ 1bar. | |
1365 else | |
1366 temp_deco -= (10.0/30.0)*METER_TO_BAR; // 2sec at 10m/min. | |
1367 | |
461 | 1368 if( temp_deco < pres_surface ) // But don't go over surface. |
1369 temp_deco = pres_surface; | |
203 | 1370 |
461 | 1371 // Recompute sim_lead_tissue_limit at GF_low (deepest stop), because |
1372 // one minute passed. | |
212 | 1373 sim_limit(GF_low); |
1374 | |
1375 // Did we reach deepest remaining stop ? | |
241 | 1376 if( temp_deco < sim_lead_tissue_limit ) |
212 | 1377 { |
461 | 1378 temp_deco = old_deco; // Restore last correct depth, |
698 | 1379 |
1380 if( fast ) | |
1381 { | |
1382 fast = 0; // Retry with 2sec steps. | |
1383 continue; | |
1384 } | |
1385 else | |
1386 break; // Done... | |
212 | 1387 } |
1388 | |
203 | 1389 // Did we reach surface ? |
460 | 1390 // NOTE: we should round BEFORE checking surface is reached. |
461 | 1391 temp_depth_limit = (unsigned char)(0.5 + (temp_deco - pres_surface) * BAR_TO_METER); |
1392 if( temp_depth_limit == 0 ) | |
203 | 1393 { |
1394 temp_deco = pres_surface; // Yes: finished ! | |
1395 break; | |
1396 } | |
169
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1397 |
241 | 1398 // Check for gas change below new depth ? |
1399 if( gas_switch_deepest() ) | |
1400 { | |
334
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1401 assert( temp_depth_limit > 0); |
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1402 |
317 | 1403 temp_deco = temp_depth_limit * METER_TO_BAR + pres_surface; |
212 | 1404 break; |
241 | 1405 } |
171 | 1406 |
698 | 1407 if( fast ) |
1408 sim_dive_mins++; // Advance simulated time by 1 minute. | |
241 | 1409 sim_alveolar_presures(); // temp_deco --> ppN2/ppHe |
698 | 1410 sim_tissue(fast); // and update tissues for 1 min. |
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1411 } |
167 | 1412 } |
116 | 1413 |
167 | 1414 ////////////////////////////////////////////////////////////////////////////// |
312
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1415 // Simulation extra time at the current depth. |
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1416 // |
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1417 // This routine is used for @+5min feature. |
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1418 void sim_extra_time(void) |
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1419 { |
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1420 overlay unsigned char extra = read_custom_function(58); |
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1421 do { |
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1422 sim_dive_mins++; // Advance simulated time by 1 minute. |
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1423 sim_tissue(1); // and update tissues for 1 min. |
312
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1424 } while( --extra != 0 ); |
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1425 } |
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1426 |
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1427 ////////////////////////////////////////////////////////////////////////////// |
167 | 1428 // calc_tissue |
1429 // | |
116 | 1430 // optimized in v.101 |
167 | 1431 // |
184 | 1432 static void calc_tissue(PARAMETER unsigned char period) |
116 | 1433 { |
251 | 1434 assert( 0.00 <= ppN2 && ppN2 < 11.2 ); // 80% N2 at 130m |
1435 assert( 0.00 <= ppHe && ppHe < 12.6 ); // 90% He at 130m | |
236 | 1436 |
338 | 1437 for (ci=0;ci<NUM_COMP;ci++) |
126 | 1438 { |
258 | 1439 read_buhlmann_times(period); // 2 sec or 1 min period. |
116 | 1440 |
126 | 1441 // N2 |
339 | 1442 temp_tissue = (ppN2 - pres_tissue_N2[ci]) * var_N2_e; |
126 | 1443 temp_tissue_safety(); |
339 | 1444 pres_tissue_N2[ci] += temp_tissue; |
165 | 1445 |
126 | 1446 // He |
339 | 1447 temp_tissue = (ppHe - pres_tissue_He[ci]) * var_He_e; |
126 | 1448 temp_tissue_safety(); |
339 | 1449 pres_tissue_He[ci] += temp_tissue; |
192 | 1450 } |
167 | 1451 } |
116 | 1452 |
167 | 1453 ////////////////////////////////////////////////////////////////////////////// |
192 | 1454 // calc_limit |
167 | 1455 // |
192 | 1456 // New in v.111 : separated from calc_tissue(), and depends on GF value. |
167 | 1457 // |
258 | 1458 static void calc_limit(void) |
167 | 1459 { |
192 | 1460 char_O_gtissue_no = 255; |
1461 calc_lead_tissue_limit = 0.0; | |
1462 | |
338 | 1463 for(ci=0; ci<NUM_COMP;ci++) |
192 | 1464 { |
339 | 1465 overlay float N2 = pres_tissue_N2[ci]; |
1466 overlay float He = pres_tissue_He[ci]; | |
293
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1467 overlay float p = N2 + He; |
192 | 1468 |
258 | 1469 read_buhlmann_coefficients(); |
293
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1470 var_N2_a = (var_N2_a * N2 + var_He_a * He) / p; |
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1471 var_N2_b = (var_N2_b * N2 + var_He_b * He) / p; |
116 | 1472 |
192 | 1473 // Apply the Eric Baker's varying gradient factor correction. |
1474 // Note: the correction factor depends both on GF and b, | |
1475 // Actual values are in the 1.5 .. 1.0 range (for a GF=30%), | |
1476 // so that can change who is the leading gas... | |
1477 // Note: Also depends of the GF. So the calcul is different for | |
1478 // GF_low, current GF, or GF_high... | |
1479 // *BUT* calc_tissue() is used to compute bottom time, | |
1480 // hence what would happend at surface, | |
1481 // hence at GF_high. | |
509 | 1482 if( char_I_deco_model != 0 ) |
258 | 1483 p = ( p - var_N2_a * GF_high) * var_N2_b |
1484 / (GF_high + var_N2_b * (1.0 - GF_high)); | |
192 | 1485 else |
1486 p = (p - var_N2_a) * var_N2_b; | |
258 | 1487 if( p < 0.0 ) p = 0.0; |
192 | 1488 |
1489 if( p > calc_lead_tissue_limit ) | |
1490 { | |
1491 char_O_gtissue_no = ci; | |
1492 calc_lead_tissue_limit = p; | |
1493 } | |
1494 } | |
197 | 1495 |
338 | 1496 assert( char_O_gtissue_no < NUM_COMP ); |
197 | 1497 assert( 0.0 <= calc_lead_tissue_limit && calc_lead_tissue_limit <= 14.0); |
167 | 1498 } |
1499 | |
1500 ////////////////////////////////////////////////////////////////////////////// | |
1501 // calc_nullzeit | |
1502 // | |
1503 // calculates the remaining bottom time | |
1504 // | |
511
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1505 // NOTE: Erik Baker's closed formula works for Nitroxes. Trimix adds a second |
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1506 // exponential term to the M-value equation, making it impossible to |
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1507 // invert... So we have to make a fast-simu until we find a better way. |
509 | 1508 // |
1509 // Input: pres_respiration | |
1510 // Output: char_O_nullzeit | |
167 | 1511 // |
1512 static void calc_nullzeit(void) | |
1513 { | |
511
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1514 //---- Compute ppN2 and ppHe --------------------------------------------- |
509 | 1515 temp_deco = pres_respiration; |
1516 sim_alveolar_presures(); | |
167 | 1517 |
509 | 1518 char_O_nullzeit = 240; |
1519 for(ci=0; ci<NUM_COMP; ci++) | |
1520 { | |
511
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1521 //---- Read A/B values and loading factor for N2 and He -------------- |
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1522 overlay float tN2 = pres_tissue_N2[ci]; |
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1523 overlay float tHe = pres_tissue_He[ci]; |
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1524 overlay float t = tN2 + tHe; |
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|
1525 overlay unsigned char ndl; |
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1526 overlay unsigned char period = 10; |
192 | 1527 |
509 | 1528 read_buhlmann_coefficients(); |
511
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1529 read_buhlmann_times(2); // Starts with a 10min period. |
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1530 |
511
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1531 //---- Simulate for that tissue -------------------------------------- |
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1532 // NOTE: No need to simulate for longuer than the already found NDL. |
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1533 for(ndl=0; ndl<char_O_nullzeit;) |
509 | 1534 { |
511
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1535 //---- Compute updated mix M-value at surface |
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1536 overlay float a = (var_N2_a * tN2 + var_He_a * tHe) / t; |
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1537 overlay float b = (var_N2_b * tN2 + var_He_b * tHe) / t; |
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1538 overlay float M0 = (a + pres_surface/b); |
116 | 1539 |
511
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1540 //---- Add 10min/1min to N2/He tissues |
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1541 overlay float dTN2 = (ppN2 - tN2) * var_N2_e; |
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1542 overlay float dTHe = (ppHe - tHe) * var_He_e; |
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1543 |
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1544 //---- Apply security margin when using the non-GF model |
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1545 if( char_I_deco_model == 0 ) |
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1546 { |
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1547 dTN2 *= float_saturation_multiplier; |
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1548 dTHe *= float_saturation_multiplier; |
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1549 } |
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1550 else // Or GF-based model |
509 | 1551 M0 = GF_high * (M0 - pres_surface) + pres_surface; |
167 | 1552 |
511
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1553 //---- Simulate off-gasing while going to surface |
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1554 // TODO ! |
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1555 // dTN2 -= exp( ... ascent time ... ppN2...) |
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1556 // dTHe -= exp( ... ascent time ... ppHe...) |
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1557 |
534
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1558 //---- Ok now, and still ok to surface after 1 or 10 minutes ? |
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1559 if( (t <= M0) && (t + dTN2 + dTHe <= M0) ) |
509 | 1560 { |
511
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1561 tN2 += dTN2; // YES: apply gas loadings, |
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1562 tHe += dTHe; |
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1563 t = tN2 + tHe; |
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1564 ndl += period; // increment NDL, |
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1565 continue; // and loop. |
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1566 } |
116 | 1567 |
511
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1568 //---- Should we retry with smaller steps ? |
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1569 if( period == 10 ) |
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1570 { |
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1571 read_buhlmann_times(1); // 1min coefs. |
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1572 period = 1; |
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1573 continue; |
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1574 } |
167 | 1575 |
511
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1576 //---- ELSE make a linear approx for the last minute |
524 | 1577 // Usefull to have a meaningfull rounding of NDL. |
1578 // But ONLY it positive (negativ casted to unsigned is bad). | |
1579 if( M0 > t ) | |
1580 ndl += (unsigned char)(0.5f + (M0-t)/(dTN2+dTHe)); | |
511
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1581 break; |
509 | 1582 } |
511
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1583 |
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1584 // Keep the shortest NDL found |
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1585 if( ndl < char_O_nullzeit ) |
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1586 char_O_nullzeit = ndl; |
339 | 1587 } |
167 | 1588 } |
116 | 1589 |
167 | 1590 ////////////////////////////////////////////////////////////////////////////// |
1591 // calc_ascenttime | |
1592 // | |
312
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1593 // Summup ascent from bottom to surface, at 1 bar/min, 1min for last 3 meters, |
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1594 // and all stops. |
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1595 // |
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1596 // Result in int_O_ascenttime, or int_O_extra_ascenttime if in @+5min variant. |
169
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1597 static void calc_ascenttime(void) |
116 | 1598 { |
323 | 1599 overlay unsigned char x; |
1600 overlay unsigned short sum; | |
168 | 1601 |
323 | 1602 // + 0.7 to count 1 minute ascent time from 3 metre to surface |
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1603 overlay float ascent = pres_respiration - pres_surface + 0.7; |
323 | 1604 if (ascent < 0.0) |
1605 ascent = 0.0; | |
1606 sum = (unsigned short)(ascent + 0.99); | |
312
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1607 |
338 | 1608 for(x=0; x<NUM_STOPS && internal_deco_depth[x]; x++) |
323 | 1609 sum += (unsigned short)internal_deco_time[x]; |
1610 | |
1611 if( char_O_deco_status == 1 ) | |
1612 int_O_ascenttime = sum; | |
126 | 1613 else |
323 | 1614 int_O_extra_ascenttime = sum; |
167 | 1615 } |
116 | 1616 |
167 | 1617 ////////////////////////////////////////////////////////////////////////////// |
1618 // update_startvalues | |
1619 // | |
116 | 1620 // updated in v.102 |
167 | 1621 // |
116 | 1622 void update_startvalues(void) |
1623 { | |
167 | 1624 overlay unsigned char x; |
116 | 1625 |
201 | 1626 // Start ascent simulation with current tissue partial pressures. |
711
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|
1627 for(x=0; x<NUM_COMP; x++) |
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|
1628 { |
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|
1629 sim_pres_tissue_N2[x] = pres_tissue_N2[x]; |
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1630 sim_pres_tissue_He[x] = pres_tissue_He[x]; |
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1631 } |
197 | 1632 |
201 | 1633 // No leading tissue (yet) for this ascent simulation. |
197 | 1634 sim_lead_tissue_limit = 0.0; |
1635 sim_lead_tissue_no = 255; | |
167 | 1636 } |
116 | 1637 |
167 | 1638 ////////////////////////////////////////////////////////////////////////////// |
192 | 1639 // sim_tissue |
167 | 1640 // |
116 | 1641 // optimized in v.101 |
167 | 1642 // |
1643 // Function very simular to calc_tissue, but: | |
1644 // + Use a 1min or 10min period. | |
1645 // + Do it on sim_pres_tissue, instead of pres_tissue. | |
184 | 1646 static void sim_tissue(PARAMETER unsigned char period) |
116 | 1647 { |
251 | 1648 assert( 0.00 <= ppN2 && ppN2 < 11.2 ); // 80% N2 at 130m |
1649 assert( 0.00 <= ppHe && ppHe < 12.6 ); // 90% He at 130m | |
236 | 1650 |
338 | 1651 for(ci=0; ci<NUM_COMP; ci++) |
126 | 1652 { |
258 | 1653 read_buhlmann_times(period); // 1 or 10 minute(s) interval |
165 | 1654 |
126 | 1655 // N2 |
339 | 1656 temp_tissue = (ppN2 - sim_pres_tissue_N2[ci]) * var_N2_e; |
126 | 1657 temp_tissue_safety(); |
339 | 1658 sim_pres_tissue_N2[ci] += temp_tissue; |
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1659 |
126 | 1660 // He |
339 | 1661 temp_tissue = (ppHe - sim_pres_tissue_He[ci]) * var_He_e; |
126 | 1662 temp_tissue_safety(); |
339 | 1663 sim_pres_tissue_He[ci] += temp_tissue; |
192 | 1664 } |
167 | 1665 } |
116 | 1666 |
167 | 1667 ////////////////////////////////////////////////////////////////////////////// |
192 | 1668 // sim_limit() |
1669 // | |
1670 // New in v.111 | |
1671 // | |
1672 // Function separated from sim_tissue() to allow recomputing limit on | |
1673 // different depth, because it depends on current gradient factor. | |
167 | 1674 // |
192 | 1675 static void sim_limit(PARAMETER float GF_current) |
116 | 1676 { |
212 | 1677 assert( 0.0 < GF_current && GF_current <= 1.0f); |
1678 | |
192 | 1679 sim_lead_tissue_limit = 0.0; |
212 | 1680 sim_lead_tissue_no = 0; // If no one is critic, keep first tissue. |
192 | 1681 |
338 | 1682 for(ci=0; ci<NUM_COMP; ci++) |
192 | 1683 { |
339 | 1684 overlay float N2 = sim_pres_tissue_N2[ci]; |
1685 overlay float He = sim_pres_tissue_He[ci]; | |
241 | 1686 overlay float p = N2 + He; |
192 | 1687 |
258 | 1688 read_buhlmann_coefficients(); |
241 | 1689 var_N2_a = (var_N2_a * N2 + var_He_a * He) / p; |
1690 var_N2_b = (var_N2_b * N2 + var_He_b * He) / p; | |
192 | 1691 |
1692 // Apply the Eric Baker's varying gradient factor correction. | |
1693 // Note: the correction factor depends both on GF and b, | |
1694 // Actual values are in the 1.5 .. 1.0 range (for a GF=30%), | |
1695 // so that can change who is the leading gas... | |
1696 // Note: Also depends of the GF_current... | |
509 | 1697 if( char_I_deco_model != 0 ) |
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1698 p = ( p - var_N2_a * GF_current) |
302 | 1699 / (GF_current / var_N2_b + 1.0 - GF_current); |
192 | 1700 else |
1701 p = (p - var_N2_a) * var_N2_b; | |
1702 | |
1703 if( p > sim_lead_tissue_limit ) | |
1704 { | |
1705 sim_lead_tissue_no = ci; | |
1706 sim_lead_tissue_limit = p; | |
1707 } | |
1708 } // for ci | |
197 | 1709 |
338 | 1710 assert( sim_lead_tissue_no < NUM_COMP ); |
237 | 1711 assert( 0.0 <= sim_lead_tissue_limit && sim_lead_tissue_limit <= 14.0 ); |
167 | 1712 } |
116 | 1713 |
167 | 1714 ////////////////////////////////////////////////////////////////////////////// |
169
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1715 // clear_deco_table |
167 | 1716 // |
1717 // unchanged in v.101 | |
1718 // | |
169
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1719 static void clear_deco_table(void) |
116 | 1720 { |
169
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1721 overlay unsigned char x; |
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1722 |
338 | 1723 for(x=0; x<NUM_STOPS; ++x) |
169
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1724 { |
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1725 internal_deco_time [x] = 0; |
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1726 internal_deco_depth[x] = 0; |
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1727 } |
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1728 } |
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1729 |
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1730 ////////////////////////////////////////////////////////////////////////////// |
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1731 // update_deco_table |
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1732 // |
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1733 // Add 1 min to current stop. |
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1734 // |
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1735 // Inputs: |
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1736 // temp_depth_limit = stop's depth, in meters. |
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1737 // In/Out: |
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1738 // internal_deco_depth[] : depth (in metres) of each stops. |
169
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1739 // internal_deco_time [] : time (in minutes) of each stops. |
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1740 // |
471 | 1741 static unsigned char update_deco_table() |
169
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1742 { |
192 | 1743 overlay unsigned char x; |
247
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1744 assert( temp_depth_limit < 128 ); // Can't be negativ (overflown). |
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1745 assert( temp_depth_limit > 0 ); // No stop at surface... |
169
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1746 |
338 | 1747 for(x=0; x<NUM_STOPS; ++x) |
192 | 1748 { |
212 | 1749 // Make sure deco-stops are recorded in order: |
334
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1750 assert( !internal_deco_depth[x] || temp_depth_limit <= (internal_deco_depth[x]& 0x7F) ); |
212 | 1751 |
279
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1752 if( (internal_deco_depth[x] & 0x7F) == temp_depth_limit ) |
192 | 1753 { |
1754 // Do not overflow (max 255') | |
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1755 if( internal_deco_time[x] < 255 ) |
192 | 1756 { |
1757 internal_deco_time[x]++; | |
471 | 1758 return 1; |
192 | 1759 } |
1760 // But store extra in the next stop... | |
169
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1761 } |
192 | 1762 |
169
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1763 if( internal_deco_depth[x] == 0 ) |
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1764 { |
192 | 1765 internal_deco_depth[x] = temp_depth_limit; |
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1766 if( sim_gas_delay >= sim_dive_mins ) |
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1767 internal_deco_depth[x] |= 0x80; |
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1768 |
169
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1769 internal_deco_time[x] = 1; |
471 | 1770 return 1; |
169
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1771 } |
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1772 } |
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1773 |
192 | 1774 // Can't store stops at more than 96m. |
1775 // Or stops at less that 3m too. | |
169
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1776 // Just do nothing with that... |
471 | 1777 return 0; |
167 | 1778 } |
116 | 1779 |
167 | 1780 ////////////////////////////////////////////////////////////////////////////// |
1781 // calc_gradient_factor | |
1782 // | |
165 | 1783 // optimized in v.101 (var_N2_a) |
116 | 1784 // new code in v.102 |
167 | 1785 // |
1786 static void calc_gradient_factor(void) | |
116 | 1787 { |
197 | 1788 overlay float gf; |
339 | 1789 overlay float N2 = pres_tissue_N2[char_O_gtissue_no]; |
1790 overlay float He = pres_tissue_He[char_O_gtissue_no]; | |
237 | 1791 |
338 | 1792 assert( char_O_gtissue_no < NUM_COMP ); |
237 | 1793 assert( 0.800 <= pres_respiration && pres_respiration < 14.0 ); |
197 | 1794 |
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1795 // tissue > respiration (currently off-gasing) |
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1796 // GF = 0% when respiration == tissue, ie. bubbles are at equilibrium. |
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1797 // GF = 100% when respiration == limit. |
293
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1798 temp_tissue = N2 + He; |
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1799 if( temp_tissue <= pres_respiration ) |
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1800 gf = 0.0; |
197 | 1801 else |
1802 { | |
293
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1803 overlay float limit = calc_lead_tissue_limit; |
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1804 // NOTE: in GF model, calc_lead_tissue_limit include already the |
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1805 // correction due to gradient factor. To compute the actual |
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1806 // current GF, we need to (re-)compute the raw ambiant-pressure |
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1807 // limit from the Bühlmann model. |
509 | 1808 if( char_I_deco_model != 0 ) |
293
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1809 { |
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1810 ci = char_O_gtissue_no; |
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1811 read_buhlmann_coefficients(); |
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1812 var_N2_a = (var_N2_a * N2 + var_He_a * He) / temp_tissue; |
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1813 var_N2_b = (var_N2_b * N2 + var_He_b * He) / temp_tissue; |
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1814 limit = (temp_tissue - var_N2_a) * var_N2_b; |
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1815 } |
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1816 |
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1817 gf = (temp_tissue - pres_respiration) |
293
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1818 / (temp_tissue - limit) |
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1819 * 100.0; |
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1820 if( gf > 254.5 ) gf = 255.0; |
197 | 1821 if( gf < 0.0 ) gf = 0.0; |
1822 } | |
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1823 char_O_gradient_factor = (unsigned char)(gf+0.5f); |
116 | 1824 |
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1825 if( char_I_deco_model != 0 ) // calculate relative gradient factor |
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1826 { |
197 | 1827 overlay float rgf; |
1828 | |
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1829 if( low_depth < 3 ) |
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1830 rgf = GF_high; |
197 | 1831 else |
1832 { | |
317 | 1833 overlay float temp1 = low_depth * METER_TO_BAR; |
197 | 1834 overlay float temp2 = pres_respiration - pres_surface; |
186 | 1835 |
197 | 1836 if (temp2 <= 0) |
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1837 rgf = GF_high; |
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1838 else if (temp2 >= temp1) |
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1839 rgf = GF_low; |
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1840 else |
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1841 rgf = GF_low + (temp1 - temp2)/temp1*GF_delta; |
197 | 1842 } |
186 | 1843 |
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1844 rgf = gf / rgf; // gf is already in percent |
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1845 if( rgf < 0.0 ) rgf = 0.0; |
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1846 if( rgf > 254.5 ) rgf = 255.0; |
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1847 char_O_relative_gradient_GF = (unsigned char)(rgf+0.5f); |
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1848 } // calc relative gradient factor |
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1849 else |
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1850 { |
186 | 1851 char_O_relative_gradient_GF = char_O_gradient_factor; |
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1852 } |
167 | 1853 } |
116 | 1854 |
167 | 1855 ////////////////////////////////////////////////////////////////////////////// |
1856 // deco_calc_desaturation_time | |
1857 // | |
116 | 1858 // FIXED N2_ratio |
1859 // unchanged in v.101 | |
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1860 // Inputs: int_I_pres_surface, ppWater, char_I_desaturation_multiplier |
233 | 1861 // Outputs: int_O_desaturation_time, char_O_tissue_saturation[0..31] |
167 | 1862 // |
116 | 1863 void deco_calc_desaturation_time(void) |
1864 { | |
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1865 RESET_C_STACK |
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1866 |
233 | 1867 assert( 800 < int_I_pres_surface && int_I_pres_surface < 1100 ); |
1868 assert( 0 < char_I_desaturation_multiplier && char_I_desaturation_multiplier <= 100 ); | |
1869 | |
237 | 1870 N2_ratio = 0.7902; // FIXED sum as stated in bühlmann |
233 | 1871 pres_surface = int_I_pres_surface * 0.001; |
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1872 ppN2 = N2_ratio * (pres_surface - ppWater); |
126 | 1873 int_O_desaturation_time = 0; |
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1874 float_desaturation_multiplier = char_I_desaturation_multiplier * (0.01 * SURFACE_DESAT_FACTOR); |
233 | 1875 |
339 | 1876 for(ci=0; ci<NUM_COMP; ci++) |
126 | 1877 { |
251 | 1878 overlay unsigned short desat_time; // For a particular compartiment, in min. |
1879 overlay float temp1; | |
1880 overlay float temp2; | |
1881 overlay float temp3; | |
1882 overlay float temp4; | |
338 | 1883 |
509 | 1884 read_buhlmann_ht(); |
338 | 1885 |
126 | 1886 // saturation_time (for flight) and N2_saturation in multiples of halftime |
1887 // version v.100: 1.1 = 10 percent distance to totally clean (totally clean is not possible, would take infinite time ) | |
1888 // new in version v.101: 1.07 = 7 percent distance to totally clean (totally clean is not possible, would take infinite time ) | |
260
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1889 // changes in v.101: 1.05 = 5 percent dist to totally clean is new desaturation point for display and NoFly calculations |
126 | 1890 // N2 |
339 | 1891 temp1 = 1.05 * ppN2 - pres_tissue_N2[ci]; |
1892 temp2 = ppN2 - pres_tissue_N2[ci]; | |
126 | 1893 if (temp2 >= 0.0) |
233 | 1894 temp1 = 0.0; |
126 | 1895 else |
1896 temp1 = temp1 / temp2; | |
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|
1897 |
251 | 1898 if( 0.0 < temp1 && temp1 < 1.0 ) |
126 | 1899 { |
260
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1900 // 0.6931 is ln(2), because the math function log() calculates with a base of e not 2 as requested. |
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1901 // minus because log is negative. |
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1902 temp1 = log(1.0 - temp1) / -0.6931; // temp1 is the multiples of half times necessary. |
509 | 1903 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
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1904 |
126 | 1905 } |
1906 else | |
1907 { | |
233 | 1908 temp1 = 0.0; |
1909 temp2 = 0.0; | |
126 | 1910 } |
116 | 1911 |
126 | 1912 // He |
339 | 1913 temp3 = 0.1 - pres_tissue_He[ci]; |
126 | 1914 if (temp3 >= 0.0) |
233 | 1915 temp3 = 0.0; |
126 | 1916 else |
339 | 1917 temp3 = - temp3 / pres_tissue_He[ci]; |
601
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1918 |
251 | 1919 if( 0.0 < temp3 && temp3 < 1.0 ) |
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|
1920 { |
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|
1921 temp3 = log(1.0 - temp3) / -0.6931; // temp1 is the multiples of half times necessary. |
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|
1922 // 0.6931 is ln(2), because the math function log() calculates with a base of e not 2 as requested. |
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|
1923 // minus because log is negative |
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diff
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|
1924 temp4 = var_He_ht * temp3 / float_desaturation_multiplier; // time necessary (in minutes ) for "complete" desaturation, new in v.101 float_desaturation_multiplier |
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|
1925 } |
126 | 1926 else |
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|
1927 { |
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|
1928 temp3 = 0.0; |
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|
1929 temp4 = 0.0; |
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|
1930 } |
116 | 1931 |
126 | 1932 // saturation_time (for flight) |
1933 if (temp4 > temp2) | |
203 | 1934 desat_time = (unsigned short)temp4; |
126 | 1935 else |
203 | 1936 desat_time = (unsigned short)temp2; |
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|
1937 |
251 | 1938 if(desat_time > int_O_desaturation_time) |
1939 int_O_desaturation_time = desat_time; | |
116 | 1940 |
126 | 1941 // N2 saturation in multiples of halftime for display purposes |
339 | 1942 temp2 = temp1 * 20.0; // 0 = 1/8, 120 = 0, 249 = 8 |
1943 temp2 = temp2 + 80.0; // set center | |
126 | 1944 if (temp2 < 0.0) |
1945 temp2 = 0.0; | |
1946 if (temp2 > 255.0) | |
1947 temp2 = 255.0; | |
339 | 1948 char_O_tissue_N2_saturation[ci] = (char)temp2; |
233 | 1949 |
126 | 1950 // He saturation in multiples of halftime for display purposes |
339 | 1951 temp4 = temp3 * 20.0; // 0 = 1/8, 120 = 0, 249 = 8 |
1952 temp4 = temp4 + 80.0; // set center | |
126 | 1953 if (temp4 < 0.0) |
1954 temp4 = 0.0; | |
1955 if (temp4 > 255.0) | |
1956 temp4 = 255.0; | |
339 | 1957 char_O_tissue_He_saturation[ci] = (char)temp4; |
126 | 1958 } // for |
167 | 1959 } |
116 | 1960 |
167 | 1961 ////////////////////////////////////////////////////////////////////////////// |
1962 // calc_wo_deco_step_1_min | |
1963 // | |
116 | 1964 // FIXED N2 Ratio |
1965 // optimized in v.101 (...saturation_multiplier) | |
1966 // desaturation slowed down to 70,42% | |
167 | 1967 // |
1968 static void calc_wo_deco_step_1_min(void) | |
116 | 1969 { |
251 | 1970 assert( 800 < int_I_pres_surface && int_I_pres_surface < 1100 ); |
1971 assert( 800 < int_I_pres_respiration && int_I_pres_respiration < 1100 ); | |
1972 assert( 100 <= char_I_saturation_multiplier && char_I_saturation_multiplier < 200 ); | |
1973 assert( 0 < char_I_desaturation_multiplier && char_I_desaturation_multiplier <= 100 ); | |
1974 | |
126 | 1975 N2_ratio = 0.7902; // FIXED, sum lt. buehlmann |
368 | 1976 pres_respiration = pres_surface = int_I_pres_surface * 0.001; |
1977 ppN2 = N2_ratio * (pres_respiration - ppWater); | |
200 | 1978 ppHe = 0.0; |
491
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diff
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|
1979 float_desaturation_multiplier = char_I_desaturation_multiplier * (0.01 * SURFACE_DESAT_FACTOR); |
197 | 1980 float_saturation_multiplier = char_I_saturation_multiplier * 0.01; |
711
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diff
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|
1981 |
339 | 1982 calc_tissue(1); // update the pressure in the tissues N2/He in accordance with the new ambient pressure |
711
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parents:
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diff
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|
1983 |
169
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
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168
diff
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|
1984 clear_deco_table(); |
200 | 1985 char_O_deco_status = 3; // surface new in v.102 : stays in surface state. |
126 | 1986 char_O_nullzeit = 0; |
168 | 1987 int_O_ascenttime = 0; |
323 | 1988 int_O_extra_ascenttime = 0; |
126 | 1989 calc_gradient_factor(); |
167 | 1990 } |
126 | 1991 |
167 | 1992 ////////////////////////////////////////////////////////////////////////////// |
368 | 1993 // calc_dive_interval |
1994 // | |
1995 // Prepare tissue for delay before the next dive simulation. | |
1996 // | |
1997 // Inputs: char_I_dive_interval == delay before dive (in 10' steps). | |
1998 // Outputs: pres_tissue_N2/He[], CNS_fraction | |
1999 // | |
2000 // Should be protected by deco_push_tissues_to_vault(), | |
2001 // deco_pull_tissues_from_vault() | |
2002 // | |
2003 // desaturation slowed down to 70,42%. | |
2004 // | |
511
2a6293641d51
NEW NDL NDL faster/more precise simu (but no closed formula for trimix).
JeanDo
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509
diff
changeset
|
2005 static void calc_dive_interval(void) |
368 | 2006 { |
2007 overlay unsigned char t; | |
491
560764da0629
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JeanDo
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490
diff
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|
2008 overlay unsigned char backup_model; |
368 | 2009 |
2010 //---- Initialize simulation parameters ---------------------------------- | |
2011 N2_ratio = 0.7902; // FIXED, sum lt. buehlmann | |
2012 pres_respiration = pres_surface = int_I_pres_surface * 0.001; | |
2013 ppN2 = N2_ratio * (pres_respiration - ppWater); | |
2014 ppHe = 0.0; | |
491
560764da0629
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JeanDo
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490
diff
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|
2015 float_desaturation_multiplier = char_I_desaturation_multiplier * (0.01 * SURFACE_DESAT_FACTOR); |
368 | 2016 float_saturation_multiplier = char_I_saturation_multiplier * 0.01; |
2017 | |
568 | 2018 // Make sure SURFACE_DESAT_FACTOR is applied: |
491
560764da0629
BUGFIX Surface desat factor missing for Interval planning in GF mode.
JeanDo
parents:
490
diff
changeset
|
2019 backup_model = char_I_deco_model; |
560764da0629
BUGFIX Surface desat factor missing for Interval planning in GF mode.
JeanDo
parents:
490
diff
changeset
|
2020 char_I_deco_model = 0; |
560764da0629
BUGFIX Surface desat factor missing for Interval planning in GF mode.
JeanDo
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490
diff
changeset
|
2021 |
368 | 2022 //---- Perform simulation ------------------------------------------------ |
2023 for(t=0; t<char_I_dive_interval; ++t) | |
2024 { | |
2025 calc_tissue(2); // period = 10min. | |
2026 CNS_fraction = 0.92587471 * CNS_fraction; // Half-time = 90min: (1/2)^(1/9) | |
2027 } | |
514 | 2028 assert( 0.0 <= CNS_fraction && CNS_fraction <= 2.56 ); |
2029 char_O_CNS_fraction = (unsigned char)(CNS_fraction * 100.0 + 0.5); | |
711
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minor cleanups for CNS/NOAA bugfix.
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parents:
710
diff
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|
2030 |
491
560764da0629
BUGFIX Surface desat factor missing for Interval planning in GF mode.
JeanDo
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490
diff
changeset
|
2031 //---- Restore model ----------------------------------------------------- |
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diff
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|
2032 char_I_deco_model = backup_model; |
368 | 2033 } |
2034 | |
2035 ////////////////////////////////////////////////////////////////////////////// | |
167 | 2036 ////////////////////////////////////////////////////////////////////////////// |
2037 ////////////////////////////////// deco_hash ///////////////////////////////// | |
2038 ////////////////////////////////////////////////////////////////////////////// | |
2039 ////////////////////////////////////////////////////////////////////////////// | |
126 | 2040 |
184 | 2041 #ifndef CROSS_COMPILE |
116 | 2042 void deco_hash(void) |
2043 { | |
167 | 2044 overlay unsigned char md_i, md_j; // Loop index. |
2045 overlay unsigned char md_t; | |
2046 overlay unsigned char md_buffer[16]; | |
2047 overlay unsigned char md_temp; | |
203 | 2048 overlay unsigned short md_pointer; |
167 | 2049 |
122
3003a8040b78
FIX again reset C data stack and frame pointer when entering C code.
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116
diff
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|
2050 RESET_C_STACK |
711
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minor cleanups for CNS/NOAA bugfix.
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parents:
710
diff
changeset
|
2051 |
126 | 2052 // init |
164 | 2053 for(md_i=0;md_i<16;md_i++) |
126 | 2054 { |
2055 md_state[md_i] = 0; | |
164 | 2056 char_O_hash[md_i] = 0; |
126 | 2057 } // for md_i 16 |
116 | 2058 |
126 | 2059 _asm |
167 | 2060 movlw 0x01 // md_pi address. |
2061 movwf TBLPTRU,0 | |
2062 movlw 0x7E | |
2063 movwf TBLPTRH,0 | |
2064 movlw 0x00 | |
2065 movwf TBLPTRL,0 | |
126 | 2066 _endasm; |
165 | 2067 md_i = 0; |
2068 do { | |
126 | 2069 _asm |
2070 TBLRDPOSTINC | |
2071 movff TABLAT,md_temp | |
2072 _endasm | |
165 | 2073 md_pi_subst[md_i++] = md_temp; |
2074 } while( md_i != 0 ); | |
2075 | |
126 | 2076 _asm |
167 | 2077 movlw 0x00 |
2078 movwf TBLPTRU,0 | |
2079 movlw 0x00 | |
2080 movwf TBLPTRH,0 | |
2081 movlw 0x00 | |
2082 movwf TBLPTRL,0 | |
126 | 2083 _endasm |
167 | 2084 |
126 | 2085 // cycle buffers |
2086 for (md_pointer=0x0000;md_pointer<0x17f3;md_pointer++) | |
2087 { | |
2088 md_t = 0; | |
2089 for (md_i=0;md_i<16;md_i++) | |
2090 { | |
2091 if(md_pointer == 9) | |
164 | 2092 md_temp = char_O_hash[md_i]; |
126 | 2093 else |
2094 { | |
2095 _asm | |
167 | 2096 TBLRDPOSTINC |
2097 movff TABLAT,md_temp | |
126 | 2098 _endasm |
2099 } // else | |
167 | 2100 |
2101 md_buffer[md_i] = md_temp; | |
186 | 2102 md_state[md_i+16] = md_temp; |
2103 md_state[md_i+32] = (unsigned char)(md_temp ^ md_state[md_i]); | |
126 | 2104 } // for md_i 16 |
711
f555590f1419
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JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
2105 |
126 | 2106 for (md_i=0;md_i<18;md_i++) |
2107 { | |
2108 for (md_j=0;md_j<48;md_j++) | |
2109 { | |
167 | 2110 md_state[md_j] ^= md_pi_subst[md_t]; |
126 | 2111 md_t = md_state[md_j]; |
2112 } // for md_j 48 | |
2113 md_t = (unsigned char)(md_t+1); | |
2114 } // for md_i 18 | |
164 | 2115 md_t = char_O_hash[15]; |
711
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JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
2116 |
126 | 2117 for (md_i=0;md_i<16;md_i++) |
2118 { | |
167 | 2119 char_O_hash[md_i] ^= md_pi_subst[(md_buffer[md_i] ^ md_t)]; |
164 | 2120 md_t = char_O_hash[md_i]; |
126 | 2121 } // for md_i 16 |
2122 } // for md_pointer | |
116 | 2123 } // void deco_hash(void) |
184 | 2124 #endif |
116 | 2125 |
167 | 2126 ////////////////////////////////////////////////////////////////////////////// |
2127 // deco_clear_CNS_fraction | |
2128 // | |
116 | 2129 // new in v.101 |
167 | 2130 // |
116 | 2131 void deco_clear_CNS_fraction(void) |
2132 { | |
122
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FIX again reset C data stack and frame pointer when entering C code.
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diff
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|
2133 RESET_C_STACK |
237 | 2134 |
126 | 2135 CNS_fraction = 0.0; |
2136 char_O_CNS_fraction = 0; | |
167 | 2137 } |
116 | 2138 |
167 | 2139 ////////////////////////////////////////////////////////////////////////////// |
2140 // deco_calc_CNS_fraction | |
2141 // | |
439
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BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
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388
diff
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|
2142 // Input: char_I_actual_ppO2 : Current condition (in decibars). |
b9cf06de8aca
BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
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388
diff
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|
2143 // char_I_step_is_1min : use 1min or 10min steps instead of 2sec. |
b9cf06de8aca
BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
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388
diff
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|
2144 // CNS_fraction : velue before period. |
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BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
JeanDo
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388
diff
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|
2145 // Output: CNS_fraction, char_O_CNS_fraction |
167 | 2146 // |
116 | 2147 void deco_calc_CNS_fraction(void) |
2148 { | |
711
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diff
changeset
|
2149 overlay float time_factor = 1.0f; |
126 | 2150 RESET_C_STACK |
167 | 2151 |
471 | 2152 assert( 0.0 <= CNS_fraction && CNS_fraction <= 2.56 ); |
237 | 2153 assert( char_I_actual_ppO2 > 15 ); |
2154 | |
439
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BUGFIX: Decoplanner accumulates CNS during ascent (bug #55)
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388
diff
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|
2155 if( char_I_step_is_1min == 1 ) |
292 | 2156 time_factor = 30.0f; |
439
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388
diff
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|
2157 else if( char_I_step_is_1min == 2 ) |
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|
2158 time_factor = 300.0f; |
710 | 2159 //------------------------------------------------------------------------ |
2160 // Don't increase CNS below 0.5 bar, but keep it steady. | |
126 | 2161 if (char_I_actual_ppO2 < 50) |
292 | 2162 ; // no changes |
710 | 2163 //------------------------------------------------------------------------ |
2164 // Below (and including) 1.60 bar | |
711
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diff
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|
2165 else if (char_I_actual_ppO2 < 61) |
710 | 2166 CNS_fraction += time_factor/(-533.07 * char_I_actual_ppO2 + 54000.0); |
711
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parents:
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diff
changeset
|
2167 else if (char_I_actual_ppO2 < 71) |
710 | 2168 CNS_fraction += time_factor/(-444.22 * char_I_actual_ppO2 + 48600.0); |
711
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parents:
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diff
changeset
|
2169 else if (char_I_actual_ppO2 < 81) |
710 | 2170 CNS_fraction += time_factor/(-355.38 * char_I_actual_ppO2 + 42300.0); |
711
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parents:
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diff
changeset
|
2171 else if (char_I_actual_ppO2 < 91) |
710 | 2172 CNS_fraction += time_factor/(-266.53 * char_I_actual_ppO2 + 35100.0); |
711
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parents:
710
diff
changeset
|
2173 else if (char_I_actual_ppO2 < 111) |
710 | 2174 CNS_fraction += time_factor/(-177.69 * char_I_actual_ppO2 + 27000.0); |
711
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parents:
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diff
changeset
|
2175 else if (char_I_actual_ppO2 < 152) |
710 | 2176 CNS_fraction += time_factor/( -88.84 * char_I_actual_ppO2 + 17100.0); |
711
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parents:
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diff
changeset
|
2177 else if (char_I_actual_ppO2 < 167) |
710 | 2178 CNS_fraction += time_factor/(-222.11 * char_I_actual_ppO2 + 37350.0); |
2179 //------------------------------------------------------------------------ | |
2180 // Arieli et all.(2002): Modeling pulmonary and CNS O2 toxicity: | |
2181 // J Appl Physiol 92: 248–256, 2002, doi:10.1152/japplphysiol.00434.2001 | |
2182 // Formula (A1) based on value for 1.55 and c=20 | |
2183 // example calculation: Sqrt((1.7/1.55)^20)*0.000404 | |
711
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parents:
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diff
changeset
|
2184 else if (char_I_actual_ppO2 < 172) |
f555590f1419
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parents:
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diff
changeset
|
2185 CNS_fraction += time_factor*0.00102; |
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parents:
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diff
changeset
|
2186 else if (char_I_actual_ppO2 < 177) |
292 | 2187 CNS_fraction += time_factor*0.00136; |
711
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parents:
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diff
changeset
|
2188 else if (char_I_actual_ppO2 < 182) |
292 | 2189 CNS_fraction += time_factor*0.00180; |
711
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parents:
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diff
changeset
|
2190 else if (char_I_actual_ppO2 < 187) |
292 | 2191 CNS_fraction += time_factor*0.00237; |
711
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parents:
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diff
changeset
|
2192 else if (char_I_actual_ppO2 < 192) |
292 | 2193 CNS_fraction += time_factor*0.00310; |
711
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parents:
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diff
changeset
|
2194 else if (char_I_actual_ppO2 < 198) |
292 | 2195 CNS_fraction += time_factor*0.00401; |
711
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parents:
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diff
changeset
|
2196 else if (char_I_actual_ppO2 < 203) |
292 | 2197 CNS_fraction += time_factor*0.00517; |
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2198 else if (char_I_actual_ppO2 < 233) |
292 | 2199 CNS_fraction += time_factor*0.0209; |
126 | 2200 else |
292 | 2201 CNS_fraction += time_factor*0.0482; // value for 2.5 |
116 | 2202 |
514 | 2203 if( CNS_fraction > 2.5 ) |
439
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2204 CNS_fraction = 2.55; |
514 | 2205 if( CNS_fraction < 0.0 ) |
126 | 2206 CNS_fraction = 0.0; |
2207 | |
443
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2208 char_O_CNS_fraction = (unsigned char)(100.0 * CNS_fraction + 0.5); |
167 | 2209 } |
116 | 2210 |
167 | 2211 ////////////////////////////////////////////////////////////////////////////// |
439
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2212 // deco_calc_CNS_planning |
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2213 // |
511
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2214 // Compute CNS during predicted ascent. |
488 | 2215 // |
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2216 // Note: Needs a call to deco_push_tissues_to_vault(), |
488 | 2217 // deco_pull_tissues_from_vault() to avoid trashing everything... |
2218 // | |
2219 // Input: CNS_fraction, char_O_deco_time[], char_O_deco_depth[] | |
2220 // Output: CNS_fraction, char_O_CNS_fraction | |
2221 // | |
439
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2222 void deco_calc_CNS_planning(void) |
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2223 { |
490
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2224 overlay unsigned char backup_gas_last_depth; |
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2225 overlay unsigned char backup_gas_last_used; |
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2226 overlay unsigned short backup_gas_delay; |
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2227 overlay unsigned short backup_dive_mins; |
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2228 overlay unsigned char backup_actual_ppO2; |
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2229 |
439
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2230 RESET_C_STACK |
490
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|
2231 |
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|
2232 // Backup state machine |
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2233 backup_gas_last_depth = sim_gas_last_depth; |
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2234 backup_gas_last_used = sim_gas_last_used; |
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2235 backup_gas_delay = sim_gas_delay; |
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2236 backup_dive_mins = sim_dive_mins; |
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2237 backup_actual_ppO2 = char_I_actual_ppO2; |
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2238 |
439
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2239 // Uses 1min CNS period: |
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2240 char_I_step_is_1min = 1; |
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2241 |
439
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2242 //---- Retrieve bottom Gas used, and set variables. |
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2243 sim_gas_last_used = char_I_first_gas; |
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2244 sim_gas_last_depth = 0; // Surface gas marker. |
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2245 gas_switch_set(); // Sets initial calc_N2/He_ratio |
439
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2246 |
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2247 //---- CCR mode : do the full TTS at once -------------------------------- |
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2248 if( char_I_const_ppO2 != 0 ) |
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2249 { |
443
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2250 overlay unsigned short t; // Needs 16bits here ! |
439
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2251 char_I_actual_ppO2 = char_I_const_ppO2; |
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2252 for(t=0; t<int_O_ascenttime; ++t) |
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2253 deco_calc_CNS_fraction(); |
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2254 } |
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2255 else //---- OC mode : have to follow all gas switches... ----------------- |
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2256 { |
443
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2257 overlay unsigned char i = 0; // Decostop loop counter |
439
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2258 overlay float actual_ppO2; |
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2259 overlay unsigned char time, t; |
563 | 2260 overlay unsigned char deepest_first = (read_custom_function(54) == 0); |
439
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2261 |
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2262 //---- Ascent to surface delay |
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2263 // NOTE: count as if time is spent with bottom pressure, |
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2264 // AND the bottom gas |
541
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BUGFIX decoplan: ppO2 for CNS is inspired, alveolar (ie. no ppWater correction).
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|
2265 actual_ppO2 = (pres_surface + char_I_bottom_depth * METER_TO_BAR) |
439
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2266 * (1.0 - calc_N2_ratio - calc_He_ratio); |
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2267 if( actual_ppO2 < 0.0 ) actual_ppO2 = 0.0; |
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2268 if( actual_ppO2 > 2.50 ) actual_ppO2 = 2.55; |
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2269 char_I_actual_ppO2 = (unsigned char)(100.0 * actual_ppO2 + 0.5); |
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|
2270 |
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2271 // Ascent time (rounded up): |
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|
2272 time = (unsigned char)(0.1 * char_I_bottom_depth + 0.5); |
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|
2273 |
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|
2274 for(t=0; t<time; ++t) |
490
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|
2275 { |
439
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|
2276 deco_calc_CNS_fraction(); |
490
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diff
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|
2277 sim_dive_mins++; |
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|
2278 } |
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2279 |
563 | 2280 //---- Do all further stops ------------------------------------------ |
439
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2281 for(i=0; i<NUM_STOPS; ++i) |
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2282 { |
563 | 2283 overlay unsigned char switch_gas; |
2284 | |
2285 //---- Get next stop, possibly in reverse order ------------------ | |
2286 if( deepest_first ) | |
2287 { | |
2288 time = char_O_deco_time[i]; | |
2289 temp_depth_limit = char_O_deco_depth[i]; | |
2290 } | |
2291 else | |
2292 { | |
2293 time = char_O_deco_time[(NUM_STOPS-1)-i]; | |
2294 temp_depth_limit = char_O_deco_depth[(NUM_STOPS-1)-i]; | |
2295 } | |
2296 if( time == 0 ) continue; | |
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|
2297 |
563 | 2298 //---- Gas Switch ? ---------------------------------------------- |
2299 switch_gas = temp_depth_limit & 0x80; // Switch flag. | |
2300 temp_depth_limit &= 0x7F; // True stop depth. | |
2301 | |
2302 if( switch_gas ) | |
2303 { | |
2304 gas_switch_deepest(); | |
2305 gas_switch_set(); | |
2306 } | |
2307 | |
2308 //---- Convert Depth and N2_ratio to ppO2 ------------------------ | |
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BUGFIX decoplan: ppO2 for CNS is inspired, alveolar (ie. no ppWater correction).
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|
2309 actual_ppO2 = (pres_surface + temp_depth_limit * METER_TO_BAR) |
439
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2310 * (1.0 - calc_N2_ratio - calc_He_ratio); |
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|
2311 if( actual_ppO2 < 0.0 ) actual_ppO2 = 0.0; |
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2312 if( actual_ppO2 > 2.50 ) actual_ppO2 = 2.55; |
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|
2313 char_I_actual_ppO2 = (unsigned char)(100.0 * actual_ppO2 + 0.5); |
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|
2314 |
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|
2315 //---- Apply the stop |
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|
2316 for(t=0; t<time; ++t) |
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2317 { |
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2318 deco_calc_CNS_fraction(); |
490
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|
2319 sim_dive_mins++; |
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|
2320 } |
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|
2321 } |
488 | 2322 } |
2323 | |
563 | 2324 //---- Back to normal mode... -------------------------------------------- |
488 | 2325 char_I_step_is_1min = 0; |
490
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|
2326 sim_gas_last_depth = backup_gas_last_depth; |
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|
2327 sim_gas_last_used = backup_gas_last_used; |
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|
2328 sim_gas_delay = backup_gas_delay; |
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|
2329 sim_dive_mins = backup_dive_mins; |
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|
2330 char_I_actual_ppO2 = backup_actual_ppO2; |
711
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|
2331 } |
439
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|
2332 |
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|
2333 ////////////////////////////////////////////////////////////////////////////// |
167 | 2334 // deco_calc_CNS_decrease_15min |
2335 // | |
116 | 2336 // new in v.101 |
167 | 2337 // |
116 | 2338 // calculates the half time of 90 minutes in 6 steps of 15 min |
200 | 2339 // (Used in sleepmode, for low battery mode). |
167 | 2340 // |
116 | 2341 // Output: char_O_CNS_fraction |
2342 // Uses and Updates: CNS_fraction | |
167 | 2343 // |
116 | 2344 void deco_calc_CNS_decrease_15min(void) |
2345 { | |
237 | 2346 RESET_C_STACK |
514 | 2347 assert( 0.0 <= CNS_fraction && CNS_fraction <= 2.56 ); |
237 | 2348 |
126 | 2349 CNS_fraction = 0.890899 * CNS_fraction; |
514 | 2350 char_O_CNS_fraction = (unsigned char)(CNS_fraction * 100.0 + 0.5); |
167 | 2351 } |
116 | 2352 |
167 | 2353 ////////////////////////////////////////////////////////////////////////////// |
2354 // deco_calc_percentage | |
2355 // | |
116 | 2356 // new in v.101 |
167 | 2357 // |
116 | 2358 // calculates int_I_temp * char_I_temp / 100 |
2359 // output is int_I_temp | |
200 | 2360 // |
2361 // Used to compute NoFly remaining time. | |
222
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Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
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2362 // |
116 | 2363 void deco_calc_percentage(void) |
2364 { | |
122
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|
2365 RESET_C_STACK |
222
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2366 |
237 | 2367 assert( 60 <= char_I_temp && char_I_temp <= 100 ); |
564 | 2368 assert( int_I_temp < 5760 ); // Less than 4 days = 96h... |
237 | 2369 |
222
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2370 int_I_temp = (unsigned short)(((float)int_I_temp * (float)char_I_temp) * 0.01 ); |
237 | 2371 |
554
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2372 assert( int_I_temp < 5760 ); // Less than 96h too... |
222
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2373 } |
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2374 |
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2375 |
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2376 ////////////////////////////////////////////////////////////////////////////// |
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2377 // deco_gas_volumes |
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2378 // |
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2379 // new in v.111 |
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Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
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2380 // |
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2381 // calculates volumes for each gas. |
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2382 // |
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changeset
|
2383 // 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).
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237
diff
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|
2384 // Gas list. |
d995e220ddac
BUGFIX Gas Usage when first gas is not #1 (bug BB22).
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237
diff
changeset
|
2385 // 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
|
2386 // decoplan (char_O_deco_depth, char_O_deco_time). |
234
bb8940caebe1
BUGFIX Gas Usage when stops are shallowest first: CF54 (bug BB24).
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233
diff
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|
2387 // 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
|
2388 // 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
|
2389 // CF#57 == deco liters/minutes (5 .. 50) or bar/min. |
224 | 2390 // 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.
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218
diff
changeset
|
2391 // |
638f8e17bd51
Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
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218
diff
changeset
|
2392 void deco_gas_volumes(void) |
638f8e17bd51
Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
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218
diff
changeset
|
2393 { |
338 | 2394 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
|
2395 overlay float bottom_usage, deco_usage; |
234
bb8940caebe1
BUGFIX Gas Usage when stops are shallowest first: CF54 (bug BB24).
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diff
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|
2396 overlay unsigned char i, deepest_first; |
646 | 2397 overlay unsigned char gas, depth; |
222
638f8e17bd51
Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
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218
diff
changeset
|
2398 RESET_C_STACK |
638f8e17bd51
Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
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diff
changeset
|
2399 |
638f8e17bd51
Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
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diff
changeset
|
2400 //---- initialize with bottom consumption -------------------------------- |
338 | 2401 for(i=0; i<NUM_GAS; ++i) // Nothing yet... |
240
d995e220ddac
BUGFIX Gas Usage when first gas is not #1 (bug BB22).
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diff
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|
2402 volumes[i] = 0.0; |
222
638f8e17bd51
Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
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|
2403 |
338 | 2404 assert(1 <= char_I_first_gas && char_I_first_gas <= NUM_GAS); |
241 | 2405 gas = char_I_first_gas - 1; |
2406 | |
478
fd8266b511cc
New SAC (CF56/CF57) in 5..50 l/min range (no more decimal).
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diff
changeset
|
2407 bottom_usage = (float) read_custom_function(56); |
580
32448d5ca734
BUGFIX: GasVolume should not count bottom time/depth in CCR mode.
JeanDo
parents:
579
diff
changeset
|
2408 if( char_I_const_ppO2 == 0 && bottom_usage > 0.0 ) |
265 | 2409 volumes[gas] |
2410 = (char_I_bottom_depth*0.1 + 1.0) // Use Psurface = 1.0 bar. | |
2411 * char_I_bottom_time // in minutes. | |
2412 * bottom_usage; // In liter/minutes. | |
579
fff1d38625f0
BUGFIX: GasVolumes should check for a gas switch before the first stop.
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568
diff
changeset
|
2413 |
222
638f8e17bd51
Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
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diff
changeset
|
2414 //---- Ascent usage ------------------------------------------------------ |
234
bb8940caebe1
BUGFIX Gas Usage when stops are shallowest first: CF54 (bug BB24).
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diff
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|
2415 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
|
2416 deco_usage = (float) read_custom_function(57); // In liter/minutes. |
222
638f8e17bd51
Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
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diff
changeset
|
2417 |
646 | 2418 depth = char_I_bottom_depth; |
222
638f8e17bd51
Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
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diff
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|
2419 |
338 | 2420 for(i=0; i<NUM_STOPS; ++i) |
222
638f8e17bd51
Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
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diff
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|
2421 { |
658
75dc320f4681
BUGFIX Gas volumes when many tanks and stops.
JeanDo <jd.gascuel@free.fr>
parents:
646
diff
changeset
|
2422 overlay unsigned char newDepth, time; |
234
bb8940caebe1
BUGFIX Gas Usage when stops are shallowest first: CF54 (bug BB24).
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diff
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|
2423 |
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BUGFIX Gas Usage when stops are shallowest first: CF54 (bug BB24).
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diff
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|
2424 // Manage stops in reverse order (CF#54) |
bb8940caebe1
BUGFIX Gas Usage when stops are shallowest first: CF54 (bug BB24).
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diff
changeset
|
2425 if( deepest_first ) |
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BUGFIX Gas Usage when stops are shallowest first: CF54 (bug BB24).
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diff
changeset
|
2426 { |
241 | 2427 time = char_O_deco_time[i]; |
234
bb8940caebe1
BUGFIX Gas Usage when stops are shallowest first: CF54 (bug BB24).
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diff
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|
2428 if( time == 0 ) break; // End of table: done. |
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diff
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|
2429 |
658
75dc320f4681
BUGFIX Gas volumes when many tanks and stops.
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parents:
646
diff
changeset
|
2430 newDepth = char_O_deco_depth[i] & 0x7F; |
234
bb8940caebe1
BUGFIX Gas Usage when stops are shallowest first: CF54 (bug BB24).
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diff
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|
2431 } |
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BUGFIX Gas Usage when stops are shallowest first: CF54 (bug BB24).
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diff
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|
2432 else |
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BUGFIX Gas Usage when stops are shallowest first: CF54 (bug BB24).
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diff
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|
2433 { |
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BUGFIX Gas Usage when stops are shallowest first: CF54 (bug BB24).
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diff
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|
2434 time = char_O_deco_time[31-i]; |
658
75dc320f4681
BUGFIX Gas volumes when many tanks and stops.
JeanDo <jd.gascuel@free.fr>
parents:
646
diff
changeset
|
2435 if( time == 0 ) continue; // not yet: still search table. |
234
bb8940caebe1
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diff
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|
2436 |
658
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BUGFIX Gas volumes when many tanks and stops.
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diff
changeset
|
2437 newDepth = char_O_deco_depth[31-i] & 0x7F; |
234
bb8940caebe1
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diff
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|
2438 } |
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diff
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|
2439 |
658
75dc320f4681
BUGFIX Gas volumes when many tanks and stops.
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parents:
646
diff
changeset
|
2440 //---- Gas switch during this step ----------------------------------- |
222
638f8e17bd51
Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
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218
diff
changeset
|
2441 { |
658
75dc320f4681
BUGFIX Gas volumes when many tanks and stops.
JeanDo <jd.gascuel@free.fr>
parents:
646
diff
changeset
|
2442 overlay unsigned char newGas = 0; |
75dc320f4681
BUGFIX Gas volumes when many tanks and stops.
JeanDo <jd.gascuel@free.fr>
parents:
646
diff
changeset
|
2443 overlay unsigned char newStop = 0; // NO CHANGE yet |
75dc320f4681
BUGFIX Gas volumes when many tanks and stops.
JeanDo <jd.gascuel@free.fr>
parents:
646
diff
changeset
|
2444 overlay unsigned char j; |
75dc320f4681
BUGFIX Gas volumes when many tanks and stops.
JeanDo <jd.gascuel@free.fr>
parents:
646
diff
changeset
|
2445 |
75dc320f4681
BUGFIX Gas volumes when many tanks and stops.
JeanDo <jd.gascuel@free.fr>
parents:
646
diff
changeset
|
2446 for(j=0; j<NUM_GAS; ++j) |
75dc320f4681
BUGFIX Gas volumes when many tanks and stops.
JeanDo <jd.gascuel@free.fr>
parents:
646
diff
changeset
|
2447 { |
75dc320f4681
BUGFIX Gas volumes when many tanks and stops.
JeanDo <jd.gascuel@free.fr>
parents:
646
diff
changeset
|
2448 // Skip gas without changing depth: |
75dc320f4681
BUGFIX Gas volumes when many tanks and stops.
JeanDo <jd.gascuel@free.fr>
parents:
646
diff
changeset
|
2449 if( ! char_I_deco_gas_change[j] ) |
75dc320f4681
BUGFIX Gas volumes when many tanks and stops.
JeanDo <jd.gascuel@free.fr>
parents:
646
diff
changeset
|
2450 continue; |
75dc320f4681
BUGFIX Gas volumes when many tanks and stops.
JeanDo <jd.gascuel@free.fr>
parents:
646
diff
changeset
|
2451 // Select gas changed between [newDepth .. depth] |
75dc320f4681
BUGFIX Gas volumes when many tanks and stops.
JeanDo <jd.gascuel@free.fr>
parents:
646
diff
changeset
|
2452 if( newDepth <= char_I_deco_gas_change[j] |
75dc320f4681
BUGFIX Gas volumes when many tanks and stops.
JeanDo <jd.gascuel@free.fr>
parents:
646
diff
changeset
|
2453 && char_I_deco_gas_change[j] <= depth ) |
646 | 2454 { |
658
75dc320f4681
BUGFIX Gas volumes when many tanks and stops.
JeanDo <jd.gascuel@free.fr>
parents:
646
diff
changeset
|
2455 // Keep the DEEPEST gas in that range: |
75dc320f4681
BUGFIX Gas volumes when many tanks and stops.
JeanDo <jd.gascuel@free.fr>
parents:
646
diff
changeset
|
2456 // Note: that = means changing gas at BEGINNING of this stop. |
75dc320f4681
BUGFIX Gas volumes when many tanks and stops.
JeanDo <jd.gascuel@free.fr>
parents:
646
diff
changeset
|
2457 if( char_I_deco_gas_change[j] >= newStop ) |
75dc320f4681
BUGFIX Gas volumes when many tanks and stops.
JeanDo <jd.gascuel@free.fr>
parents:
646
diff
changeset
|
2458 { |
75dc320f4681
BUGFIX Gas volumes when many tanks and stops.
JeanDo <jd.gascuel@free.fr>
parents:
646
diff
changeset
|
2459 newGas = j; |
75dc320f4681
BUGFIX Gas volumes when many tanks and stops.
JeanDo <jd.gascuel@free.fr>
parents:
646
diff
changeset
|
2460 newStop = char_I_deco_gas_change[j]; |
75dc320f4681
BUGFIX Gas volumes when many tanks and stops.
JeanDo <jd.gascuel@free.fr>
parents:
646
diff
changeset
|
2461 } |
646 | 2462 } |
658
75dc320f4681
BUGFIX Gas volumes when many tanks and stops.
JeanDo <jd.gascuel@free.fr>
parents:
646
diff
changeset
|
2463 } |
222
638f8e17bd51
Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
JeanDo
parents:
218
diff
changeset
|
2464 |
658
75dc320f4681
BUGFIX Gas volumes when many tanks and stops.
JeanDo <jd.gascuel@free.fr>
parents:
646
diff
changeset
|
2465 if( newStop ) // Did we find something ? |
75dc320f4681
BUGFIX Gas volumes when many tanks and stops.
JeanDo <jd.gascuel@free.fr>
parents:
646
diff
changeset
|
2466 { |
75dc320f4681
BUGFIX Gas volumes when many tanks and stops.
JeanDo <jd.gascuel@free.fr>
parents:
646
diff
changeset
|
2467 // usage BEFORE gas switch (if any), at 10m/min : |
75dc320f4681
BUGFIX Gas volumes when many tanks and stops.
JeanDo <jd.gascuel@free.fr>
parents:
646
diff
changeset
|
2468 if( deco_usage > 0.0 && depth > newStop ) |
75dc320f4681
BUGFIX Gas volumes when many tanks and stops.
JeanDo <jd.gascuel@free.fr>
parents:
646
diff
changeset
|
2469 // Plus usage during ascent to the next stop, at 10m/min. |
75dc320f4681
BUGFIX Gas volumes when many tanks and stops.
JeanDo <jd.gascuel@free.fr>
parents:
646
diff
changeset
|
2470 volumes[gas] += ((depth+newStop)*0.05 + 1.0) // average depth --> bar. |
75dc320f4681
BUGFIX Gas volumes when many tanks and stops.
JeanDo <jd.gascuel@free.fr>
parents:
646
diff
changeset
|
2471 * (depth-newStop)*0.1 // metre --> min |
75dc320f4681
BUGFIX Gas volumes when many tanks and stops.
JeanDo <jd.gascuel@free.fr>
parents:
646
diff
changeset
|
2472 * deco_usage; |
646 | 2473 |
658
75dc320f4681
BUGFIX Gas volumes when many tanks and stops.
JeanDo <jd.gascuel@free.fr>
parents:
646
diff
changeset
|
2474 // Do gas switch: |
75dc320f4681
BUGFIX Gas volumes when many tanks and stops.
JeanDo <jd.gascuel@free.fr>
parents:
646
diff
changeset
|
2475 gas = newGas; |
75dc320f4681
BUGFIX Gas volumes when many tanks and stops.
JeanDo <jd.gascuel@free.fr>
parents:
646
diff
changeset
|
2476 depth = newStop; |
75dc320f4681
BUGFIX Gas volumes when many tanks and stops.
JeanDo <jd.gascuel@free.fr>
parents:
646
diff
changeset
|
2477 } |
75dc320f4681
BUGFIX Gas volumes when many tanks and stops.
JeanDo <jd.gascuel@free.fr>
parents:
646
diff
changeset
|
2478 } |
646 | 2479 |
2480 // usage AFTER gas switch (if any), at 10m/min : | |
2481 if( depth > newDepth ) | |
2482 volumes[gas] += ((depth+newDepth)*0.05 + 1.0) // average depth --> bar. | |
2483 * (depth-newDepth)*0.1 // metre --> min | |
2484 * deco_usage; | |
2485 | |
2486 // Do stop: | |
2487 depth = newDepth; | |
2488 | |
2489 // Usage at stop: | |
478
fd8266b511cc
New SAC (CF56/CF57) in 5..50 l/min range (no more decimal).
JeanDo
parents:
471
diff
changeset
|
2490 if( deco_usage > 0.0 ) |
265 | 2491 volumes[gas] += (depth*0.1 + 1.0) // depth --> bar. |
2492 * time // in minutes. | |
646 | 2493 * deco_usage; // in xxx / min @ 1bar. |
265 | 2494 else |
2495 volumes[gas] = 65535.0; | |
222
638f8e17bd51
Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
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218
diff
changeset
|
2496 } |
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Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
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218
diff
changeset
|
2497 |
646 | 2498 // From last stop to surface |
2499 if( deco_usage > 0.0 ) | |
2500 volumes[gas] += (depth*0.05 + 1.0) // avg depth --> bar. | |
2501 * depth * 0.1 // time to surface, in minutes. | |
2502 * deco_usage; // in xxx / min @ 1bar. | |
2503 | |
222
638f8e17bd51
Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
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218
diff
changeset
|
2504 //---- convert results for the ASM interface ----------------------------- |
338 | 2505 for(i=0; i<NUM_GAS; ++i) |
441
4826dd98514b
NEW: Decoplanner OC volumes in liters (or bars), up to 65000.
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parents:
439
diff
changeset
|
2506 if( volumes[i] > 65534.0 ) |
224 | 2507 int_O_gas_volumes[i] = 65535; |
222
638f8e17bd51
Prototyping deco_gas_volumes() to compute gas consumption per tank with decoplanning.
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218
diff
changeset
|
2508 else |
441
4826dd98514b
NEW: Decoplanner OC volumes in liters (or bars), up to 65000.
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439
diff
changeset
|
2509 int_O_gas_volumes[i] = (unsigned short)(volumes[i] + 0.5); |
116 | 2510 } |
2511 | |
167 | 2512 ////////////////////////////////////////////////////////////////////////////// |
2513 | |
116 | 2514 void deco_push_tissues_to_vault(void) |
2515 { | |
167 | 2516 overlay unsigned char x; |
122
3003a8040b78
FIX again reset C data stack and frame pointer when entering C code.
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116
diff
changeset
|
2517 RESET_C_STACK |
167 | 2518 |
711
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
2519 cns_vault = CNS_fraction; |
697 | 2520 low_depth_vault = low_depth; |
2521 | |
711
f555590f1419
minor cleanups for CNS/NOAA bugfix.
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parents:
710
diff
changeset
|
2522 for (x=0;x<NUM_COMP;x++) |
339 | 2523 { |
711
f555590f1419
minor cleanups for CNS/NOAA bugfix.
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parents:
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diff
changeset
|
2524 pres_tissue_N2_vault[x] = pres_tissue_N2[x]; |
f555590f1419
minor cleanups for CNS/NOAA bugfix.
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parents:
710
diff
changeset
|
2525 pres_tissue_He_vault[x] = pres_tissue_He[x]; |
339 | 2526 } |
116 | 2527 } |
167 | 2528 |
116 | 2529 void deco_pull_tissues_from_vault(void) |
2530 { | |
167 | 2531 overlay unsigned char x; |
122
3003a8040b78
FIX again reset C data stack and frame pointer when entering C code.
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diff
changeset
|
2532 RESET_C_STACK |
167 | 2533 |
711
f555590f1419
minor cleanups for CNS/NOAA bugfix.
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parents:
710
diff
changeset
|
2534 for (x=0; x<NUM_COMP; x++) |
339 | 2535 { |
711
f555590f1419
minor cleanups for CNS/NOAA bugfix.
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parents:
710
diff
changeset
|
2536 pres_tissue_N2[x] = pres_tissue_N2_vault[x]; |
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
2537 pres_tissue_He[x] = pres_tissue_He_vault[x]; |
339 | 2538 } |
711
f555590f1419
minor cleanups for CNS/NOAA bugfix.
JeanDo <jd.gascuel@free.fr>
parents:
710
diff
changeset
|
2539 |
292 | 2540 // Restore both CNS variable, too. |
2541 CNS_fraction = cns_vault; | |
514 | 2542 char_O_CNS_fraction = (unsigned char)(CNS_fraction * 100.0 + 0.5); |
697 | 2543 |
2544 // GF history too: | |
2545 low_depth = low_depth_vault; | |
2546 locked_GF_step = GF_delta / low_depth; | |
116 | 2547 } |
2548 | |
167 | 2549 ////////////////////////////////////////////////////////////////////////////// |
2550 // | |
184 | 2551 #ifndef CROSS_COMPILE |
2552 void main() {} | |
2553 #endif |