Mercurial > public > mk2
annotate code_part1/OSTC_code_c_part2/p2_deco.c @ 169:e26f49674956
Merge decoplan display for both GF and Buhlmann models.
+ Add CF(54) to reverse deco plan display order.
+ Clean state machine to faster redisplay in divemode.
Fix don't flip screen for soft emulation.
author | JeanDo |
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date | Wed, 26 Jan 2011 19:19:02 +0100 |
parents | 494587193f5d |
children | 7f3e1bf588bc |
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 | |
11 // Copyright (C) 2008 HeinrichsWeikamp GbR | |
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 | |
61 // 10/14/08 v104: integration of temp_depth_last_deco for Gradient Model | |
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(). |
169
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68 // 2011/01/24: [jDG] Make ascenttime an int. No more overflow! |
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69 // 2011/01/25: [jDG] Fusion deco array for both models. |
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70 // 2011/01/25: [jDG] Use CF(54) to reverse deco order. |
116 | 71 // |
167 | 72 // TODO: |
73 // + Allow (CF) delay for gas switch while predicting ascent. | |
74 // + Allow to abort MD2 calculation (have to restart next time). | |
75 // | |
76 // Literature: | |
116 | 77 // B"uhlmann, Albert: Tauchmedizin; 4. Auflage; |
78 // 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 | |
79 // Morrison, Stuart; 2000; DIY DECOMPRESSION; http://www.lizardland.co.uk/DIYDeco.html | |
80 // Balthasar, Steffen; Dekompressionstheorie I: Neo Haldane Modelle; http://www.txfreak.de/dekompressionstheorie_1.pdf | |
81 // Baker, Erik C.; Clearing Up The Confusion About "Deep Stops" | |
82 // Baker, Erik C.; Understanding M-values; http://www.txfreak.de/understanding_m-values.pdf | |
167 | 83 // |
84 // | |
116 | 85 |
86 // ********************* | |
87 // ** I N C L U D E S ** | |
88 // ********************* | |
89 #include <math.h> | |
167 | 90 |
91 // ************************* | |
92 // ** P R O T O T Y P E S ** | |
93 // ************************* | |
94 | |
95 static void calc_hauptroutine(void); | |
96 static void calc_tissue_2_secs(void); | |
97 static void calc_tissue_1_min(void); | |
98 static void calc_nullzeit(void); | |
99 static void backup_sim_pres_tissue(void); | |
100 static void restore_sim_pres_tissue(void); | |
101 | |
102 static void calc_without_deco(void); | |
103 static void clear_tissue(void); | |
104 static void calc_ascenttime(void); | |
105 static void update_startvalues(void); | |
169
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106 static void clear_deco_table(void); |
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107 static void update_deco_table(void); |
167 | 108 static void sim_tissue_1min(void); |
109 static void sim_tissue_10min(void); | |
110 static void calc_gradient_factor(void); | |
111 static void calc_wo_deco_step_1_min(void); | |
112 | |
113 static void calc_hauptroutine_data_input(void); | |
114 static void calc_hauptroutine_update_tissues(void); | |
115 static void calc_hauptroutine_calc_deco(void); | |
169
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116 static void sim_ascent_to_first_stop(void); |
167 | 117 |
118 static void calc_nextdecodepth_GF(void); | |
116 | 119 |
120 // *********************************************** | |
121 // ** V A R I A B L E S D E F I N I T I O N S ** | |
122 // *********************************************** | |
123 | |
167 | 124 #include "p2_definitions.h" |
163 | 125 #include "../OSTC_code_c_part2/shared_definitions.h" |
116 | 126 |
163 | 127 //---- Bank 3 parameters ----------------------------------------------------- |
128 #pragma udata bank4=0x400 | |
116 | 129 |
130 static unsigned char lock_GF_depth_list; | |
131 static float temp_limit; | |
132 static float GF_low; | |
133 static float GF_high; | |
134 static float GF_delta; | |
135 static float GF_temp; | |
136 static float GF_step; | |
137 static float GF_step2; | |
138 static float temp_pres_gtissue; | |
139 static float temp_pres_gtissue_diff; | |
140 static float temp_pres_gtissue_limit_GF_low; | |
141 static float temp_pres_gtissue_limit_GF_low_below_surface; | |
142 static unsigned int temp_depth_limit; | |
143 static unsigned char temp_gtissue_no; | |
144 static unsigned int temp_depth_last_deco; // new in v.101 | |
145 | |
146 static unsigned char temp_depth_GF_low_meter; | |
147 static unsigned char internal_deco_pointer; | |
148 | |
169
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149 static unsigned char internal_deco_time[32]; |
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150 static unsigned char internal_deco_depth[32]; |
116 | 151 |
152 static float cns_vault; | |
153 static float pres_tissue_vault[32]; | |
154 | |
163 | 155 //---- Bank 5 parameters ----------------------------------------------------- |
156 #pragma udata bank5=0x500 | |
157 | |
167 | 158 static unsigned char ci; |
116 | 159 static float pres_respiration; |
160 static float pres_surface; | |
161 static float temp1; | |
162 static float temp2; | |
163 static float temp3; | |
164 static float temp4; | |
165 static float temp_deco; | |
166 static float temp_atem; | |
167 static float temp2_atem; | |
168 static float temp_tissue; | |
169 static float temp_surface; | |
170 static float N2_ratio; | |
171 static float He_ratio; | |
165 | 172 static float var_N2_a; |
173 static float var_N2_b; | |
174 static float var_He_a; | |
175 static float var_He_b; | |
176 static float var_N2_e; | |
177 static float var_He_e; | |
178 static float var_N2_halftime; | |
179 static float var_He_halftime; | |
116 | 180 static float pres_gtissue_limit; |
181 static float temp_pres_gtissue_limit; | |
182 | |
164 | 183 static float pres_diluent; // new in v.101 |
184 static float deco_diluent; // new in v.101 | |
185 static float const_ppO2; // new in v.101 | |
186 static float deco_ppO2_change; // new in v.101 | |
187 static float deco_ppO2; // new in v.101 | |
116 | 188 |
167 | 189 static float calc_N2_ratio; // new in v.101 |
190 static float calc_He_ratio; // new in v.101 | |
191 static float CNS_fraction; // new in v.101 | |
192 static float float_saturation_multiplier; // new in v.101 | |
193 static float float_desaturation_multiplier; // new in v.101 | |
194 static float float_deco_distance; // new in v.101 | |
195 static char flag_in_divemode; // new in v.108 | |
196 | |
197 static float deco_gas_change1; // new in v.101 | |
198 static float deco_gas_change2; // new in v.109 | |
199 static float deco_gas_change3; // new in v.109 | |
200 static float deco_gas_change4; // new in v.109 | |
201 static float deco_gas_change5; // new in v.109 | |
202 | |
203 static float deco_N2_ratio1; // new in v.101 | |
204 static float deco_He_ratio1; // new in v.101 | |
205 static float deco_N2_ratio2; // new in v.109 | |
206 static float deco_N2_ratio3; // new in v.109 | |
207 static float deco_N2_ratio4; // new in v.109 | |
208 static float deco_N2_ratio5; // new in v.109 | |
209 static float deco_He_ratio2; // new in v.109 | |
210 static float deco_He_ratio3; // new in v.109 | |
211 static float deco_He_ratio4; // new in v.109 | |
212 static float deco_He_ratio5; // new in v.109 | |
213 | |
214 | |
163 | 215 //---- Bank 6 parameters ----------------------------------------------------- |
216 #pragma udata bank6=0x600 | |
116 | 217 |
164 | 218 static float pres_tissue[32]; |
116 | 219 static float pres_tissue_limit[16]; |
220 static float sim_pres_tissue_limit[16]; | |
221 | |
163 | 222 //---- Bank 7 parameters ----------------------------------------------------- |
223 #pragma udata bank7=0x700 | |
224 | |
225 static float sim_pres_tissue[32]; // 32 floats = 128 bytes. | |
116 | 226 static float sim_pres_tissue_backup[32]; |
227 | |
163 | 228 //---- Bank 8 parameters ----------------------------------------------------- |
116 | 229 #pragma udata bank8=0x800 |
163 | 230 |
116 | 231 static char md_pi_subst[256]; |
122
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232 #define C_STACK md_pi_subst // Overlay C-code data stack here, too. |
116 | 233 |
163 | 234 //---- Bank 9 parameters ----------------------------------------------------- |
167 | 235 #pragma udata bank9=0x900 |
116 | 236 |
163 | 237 static char md_state[48]; // DONT MOVE !! // has to be at the beginning of bank 9 for the asm code!!! |
116 | 238 |
164 | 239 // internal, dbg: |
167 | 240 static unsigned char DBG_char_I_deco_model; // new in v.108. |
164 | 241 static unsigned char DBG_char_I_depth_last_deco; // new in v.108 |
242 static float DBG_pres_surface; // new in v.108 | |
243 static float DBG_GF_low; // new in v.108 | |
244 static float DBG_GF_high; // new in v.108 | |
245 static float DBG_const_ppO2; // new in v.108 | |
246 static float DBG_deco_ppO2_change; // new in v.108 | |
247 static float DBG_deco_ppO2; // new in v.108 | |
248 static float DBG_deco_N2_ratio; // new in v.108 | |
249 static float DBG_deco_He_ratio; // new in v.108 | |
250 static float DBG_deco_gas_change; // new in v.108 | |
251 static float DBG_float_saturation_multiplier; // new in v.108 | |
252 static float DBG_float_desaturation_multiplier; // new in v.108 | |
253 static float DBG_float_deco_distance; // new in v.108 | |
254 static float DBG_deco_N2_ratio; // new in v.108 | |
255 static float DBG_deco_He_ratio; // new in v.108 | |
256 static float DBG_N2_ratio; // new in v.108 | |
257 static float DBG_He_ratio; // new in v.108 | |
258 | |
167 | 259 ////////////////////////////////////////////////////////////////////////////// |
260 ////////////////////////////////////////////////////////////////////////////// | |
261 ///////////////////////////// THE LOOKUP TABLES ////////////////////////////// | |
262 ////////////////////////////////////////////////////////////////////////////// | |
263 ////////////////////////////////////////////////////////////////////////////// | |
264 // | |
265 // End of PROM code is 17F00, So push tables on PROM top... | |
266 // | |
267 #pragma romdata buhlmann_tables = 0x017B00 // Needs to be in UPPER bank. | |
268 #include "p2_tables.romdata" // new table for deco_main_v.101 (var_N2_a modified) | |
116 | 269 |
167 | 270 // Magic table to compute the MD2 HASH |
271 // | |
272 #pragma romdata hash_tables = 0x017E00 // Address fixed by ASM access... | |
116 | 273 rom const rom unsigned int md_pi[] = |
274 { | |
275 0x292E, 0x43C9, 0xA2D8, 0x7C01, 0x3D36, 0x54A1, 0xECF0, 0x0613 | |
276 , 0x62A7, 0x05F3, 0xC0C7, 0x738C, 0x9893, 0x2BD9, 0xBC4C, 0x82CA | |
277 , 0x1E9B, 0x573C, 0xFDD4, 0xE016, 0x6742, 0x6F18, 0x8A17, 0xE512 | |
278 , 0xBE4E, 0xC4D6, 0xDA9E, 0xDE49, 0xA0FB, 0xF58E, 0xBB2F, 0xEE7A | |
279 , 0xA968, 0x7991, 0x15B2, 0x073F, 0x94C2, 0x1089, 0x0B22, 0x5F21 | |
280 , 0x807F, 0x5D9A, 0x5A90, 0x3227, 0x353E, 0xCCE7, 0xBFF7, 0x9703 | |
281 , 0xFF19, 0x30B3, 0x48A5, 0xB5D1, 0xD75E, 0x922A, 0xAC56, 0xAAC6 | |
282 , 0x4FB8, 0x38D2, 0x96A4, 0x7DB6, 0x76FC, 0x6BE2, 0x9C74, 0x04F1 | |
283 , 0x459D, 0x7059, 0x6471, 0x8720, 0x865B, 0xCF65, 0xE62D, 0xA802 | |
284 , 0x1B60, 0x25AD, 0xAEB0, 0xB9F6, 0x1C46, 0x6169, 0x3440, 0x7E0F | |
285 , 0x5547, 0xA323, 0xDD51, 0xAF3A, 0xC35C, 0xF9CE, 0xBAC5, 0xEA26 | |
286 , 0x2C53, 0x0D6E, 0x8528, 0x8409, 0xD3DF, 0xCDF4, 0x4181, 0x4D52 | |
287 , 0x6ADC, 0x37C8, 0x6CC1, 0xABFA, 0x24E1, 0x7B08, 0x0CBD, 0xB14A | |
288 , 0x7888, 0x958B, 0xE363, 0xE86D, 0xE9CB, 0xD5FE, 0x3B00, 0x1D39 | |
289 , 0xF2EF, 0xB70E, 0x6658, 0xD0E4, 0xA677, 0x72F8, 0xEB75, 0x4B0A | |
290 , 0x3144, 0x50B4, 0x8FED, 0x1F1A, 0xDB99, 0x8D33, 0x9F11, 0x8314 | |
291 }; | |
292 | |
167 | 293 ////////////////////////////////////////////////////////////////////////////// |
294 ////////////////////////////////////////////////////////////////////////////// | |
295 ////////////////////////////// THE SUBROUTINES /////////////////////////////// | |
296 ////////////////////////////////////////////////////////////////////////////// | |
297 ////////////////////////////////////////////////////////////////////////////// | |
298 // | |
116 | 299 // all new in v.102 |
300 // moved from 0x0D000 to 0x0C000 in v.108 | |
301 | |
302 #pragma code p2_deco = 0x0C000 | |
303 | |
167 | 304 ////////////////////////////////////////////////////////////////////////////// |
305 // DBS - debug on start of dive | |
306 // | |
307 static void create_dbs_set_dbg_and_ndl20mtr(void) | |
116 | 308 { |
167 | 309 overlay char i; // Local loop index. |
310 | |
311 //---- Reset DEBUG bit fields -------------------------------------------- | |
116 | 312 int_O_DBS_bitfield = 0; |
313 int_O_DBS2_bitfield = 0; | |
314 if(int_O_DBG_pre_bitfield & DBG_RUN) | |
315 int_O_DBG_pre_bitfield = DBG_RESTART; | |
316 else | |
317 int_O_DBG_pre_bitfield = DBG_RUN; | |
318 int_O_DBG_post_bitfield = 0; | |
167 | 319 |
320 //---- Set 20meters ND limit --------------------------------------------- | |
116 | 321 char_O_NDL_at_20mtr = 255; |
322 | |
167 | 323 //---- Copy all dive parameters ------------------------------------------ |
116 | 324 DBG_N2_ratio = N2_ratio; |
325 DBG_He_ratio = He_ratio; | |
326 DBG_char_I_deco_model = char_I_deco_model; | |
327 DBG_char_I_depth_last_deco = char_I_depth_last_deco; | |
328 DBG_pres_surface = pres_surface; | |
329 DBG_GF_low = GF_low; | |
330 DBG_GF_high = GF_high; | |
331 DBG_const_ppO2 = const_ppO2; | |
332 DBG_deco_ppO2_change = deco_ppO2_change; | |
333 DBG_deco_ppO2 = deco_ppO2; | |
167 | 334 DBG_deco_N2_ratio = deco_N2_ratio1; |
335 DBG_deco_He_ratio = deco_He_ratio1; | |
336 DBG_deco_gas_change = deco_gas_change1; | |
116 | 337 DBG_float_saturation_multiplier = float_saturation_multiplier; |
338 DBG_float_desaturation_multiplier = float_desaturation_multiplier; | |
339 DBG_float_deco_distance = float_deco_distance; | |
340 | |
167 | 341 //---- Setup some error (?) conditions ----------------------------------- |
116 | 342 if(char_I_deco_model) |
343 int_O_DBS_bitfield |= DBS_mode; | |
344 if(const_ppO2) | |
345 int_O_DBS_bitfield |= DBS_ppO2; | |
167 | 346 for(i = 16; i < 32; i++) |
347 if(pres_tissue[i]) | |
116 | 348 int_O_DBS_bitfield |= DBS_HE_sat; |
349 if(deco_ppO2_change) | |
350 int_O_DBS_bitfield |= DBS_ppO2chg; | |
351 if(float_saturation_multiplier < 0.99) | |
352 int_O_DBS_bitfield |= DBS_SAT2l; | |
353 if(float_saturation_multiplier > 1.3) | |
354 int_O_DBS_bitfield |= DBS_SAT2h; | |
355 if(GF_low < 0.19) | |
356 int_O_DBS_bitfield |= DBS_GFLOW2l; | |
357 if(GF_low > 1.01) | |
358 int_O_DBS_bitfield |= DBS_GFLOW2h; | |
359 if(GF_high < 0.6) | |
360 int_O_DBS_bitfield |= DBS_GFHGH2l; | |
361 if(GF_high > 1.01) | |
362 int_O_DBS_bitfield |= DBS_GFHGH2h; | |
363 if((N2_ratio + He_ratio) > 0.95) | |
364 int_O_DBS_bitfield |= DBS_GASO22l; | |
365 if((N2_ratio + He_ratio) < 0.05) | |
366 int_O_DBS_bitfield |= DBS_GASO22h; | |
367 if(float_deco_distance > 0.25) | |
368 int_O_DBS_bitfield |= DBS_DIST2h; | |
369 if(char_I_depth_last_deco > 8) | |
370 int_O_DBS_bitfield |= DBS_LAST2h; | |
167 | 371 if(DBG_deco_gas_change && ((deco_N2_ratio1 + deco_He_ratio1) > 0.95)) |
116 | 372 int_O_DBS_bitfield |= DBS_DECOO2l; |
167 | 373 if(DBG_deco_gas_change && ((deco_N2_ratio1 + deco_He_ratio1) < 0.05)) |
116 | 374 int_O_DBS_bitfield |= DBS_DECOO2h; |
375 if(pres_respiration > 3.0) | |
376 int_O_DBS2_bitfield |= DBS2_PRES2h; | |
377 if(pres_surface - pres_respiration > 0.2) | |
378 int_O_DBS2_bitfield |= DBS2_PRES2l; | |
379 if(pres_surface < 0.75) | |
380 int_O_DBS2_bitfield |= DBS2_SURF2l; | |
381 if(pres_surface > 1.11) | |
382 int_O_DBS2_bitfield |= DBS2_SURF2h; | |
383 if(float_desaturation_multiplier < 0.70) | |
384 int_O_DBS2_bitfield |= DBS2_DESAT2l; | |
385 if(float_desaturation_multiplier > 1.01) | |
386 int_O_DBS2_bitfield |= DBS2_DESAT2h; | |
387 if(GF_low > GF_high) | |
388 int_O_DBS2_bitfield |= DBS2_GFDneg; | |
389 } | |
390 | |
167 | 391 ////////////////////////////////////////////////////////////////////////////// |
392 // DBG - set DBG to end_of_dive | |
393 // | |
394 static void set_dbg_end_of_dive(void) | |
116 | 395 { |
396 int_O_DBG_pre_bitfield &= (~DBG_RUN); | |
397 int_O_DBG_post_bitfield &= (~DBG_RUN); | |
398 } | |
399 | |
167 | 400 ////////////////////////////////////////////////////////////////////////////// |
401 // DBG - NDL at first 20 m. hit | |
402 // | |
403 static void check_ndl(void) | |
116 | 404 { |
167 | 405 if( char_O_NDL_at_20mtr == 255 // Still in NDL mode ? |
406 && int_I_pres_respiration > 3000 // And we hit the 20m limit ? | |
407 ) | |
116 | 408 { |
167 | 409 char_O_NDL_at_20mtr = char_O_nullzeit; // change to max bottom time. |
410 if( char_O_NDL_at_20mtr == 255) // and avoid confusion. | |
116 | 411 char_O_NDL_at_20mtr == 254; |
412 } | |
413 } | |
414 | |
167 | 415 ////////////////////////////////////////////////////////////////////////////// |
416 // DBG - multi main during dive | |
417 // | |
418 static void check_dbg(static char is_post_check) | |
116 | 419 { |
167 | 420 overlay unsigned int temp_DBS = 0; |
421 overlay char i; // Local loop index. | |
422 | |
116 | 423 if( (DBG_N2_ratio != N2_ratio) || (DBG_He_ratio != He_ratio) ) |
424 temp_DBS |= DBG_c_gas; | |
425 if(DBG_const_ppO2 != const_ppO2) | |
426 temp_DBS |= DBG_c_ppO2; | |
167 | 427 if( DBG_float_saturation_multiplier != float_saturation_multiplier |
428 || DBG_float_desaturation_multiplier != float_desaturation_multiplier | |
429 ) | |
116 | 430 temp_DBS |= DBG_CdeSAT; |
431 if(DBG_char_I_deco_model != char_I_deco_model) | |
432 temp_DBS |= DBG_C_MODE; | |
433 if(DBG_pres_surface != pres_surface) | |
434 temp_DBS |= DBG_C_SURF; | |
167 | 435 |
436 if( !DBS_HE_sat && !He_ratio) | |
437 for(i = 16; i < 32; i++) | |
438 if(pres_tissue[i]) | |
116 | 439 temp_DBS |= DBG_HEwoHE; |
167 | 440 |
116 | 441 if(DBG_deco_ppO2 != deco_ppO2) |
442 temp_DBS |= DBG_C_DPPO2; | |
167 | 443 |
444 if( DBG_deco_gas_change != deco_gas_change1 | |
445 || DBG_deco_N2_ratio != deco_N2_ratio1 | |
446 || DBG_deco_He_ratio != deco_He_ratio1 ) | |
116 | 447 temp_DBS |= DBG_C_DGAS; |
167 | 448 |
116 | 449 if(DBG_float_deco_distance != float_deco_distance) |
450 temp_DBS |= DBG_C_DIST; | |
451 if(DBG_char_I_depth_last_deco != char_I_depth_last_deco) | |
452 temp_DBS |= DBG_C_LAST; | |
167 | 453 if( DBG_GF_low != GF_low |
454 || DBG_GF_high != GF_high ) | |
116 | 455 temp_DBS |= DBG_C_GF; |
456 if(pres_respiration > 13.0) | |
457 temp_DBS |= DBG_PHIGH; | |
458 if(pres_surface - pres_respiration > 0.2) | |
459 temp_DBS |= DBG_PLOW; | |
460 if(is_post_check) | |
461 int_O_DBG_post_bitfield |= temp_DBS; | |
462 else | |
463 int_O_DBG_pre_bitfield |= temp_DBS; | |
464 } | |
465 | |
167 | 466 ////////////////////////////////////////////////////////////////////////////// |
467 // DBG - prior to calc. of dive | |
468 // | |
469 static void check_pre_dbg(void) | |
116 | 470 { |
471 check_dbg(0); | |
472 } | |
473 | |
167 | 474 ////////////////////////////////////////////////////////////////////////////// |
475 // DBG - after decocalc of dive | |
476 // | |
477 static void check_post_dbg(void) | |
116 | 478 { |
479 check_dbg(1); | |
480 } | |
481 | |
165 | 482 ////////////////////////////////////////////////////////////////////////////// |
167 | 483 ////////////////////////////////////////////////////////////////////////////// |
484 /////////////////////// U T I L I T I E S ///////////////////////////////// | |
485 ////////////////////////////////////////////////////////////////////////////// | |
486 ////////////////////////////////////////////////////////////////////////////// | |
487 | |
488 static int read_custom_function(static unsigned char cf) | |
489 { | |
490 extern unsigned char hi, lo; | |
491 extern void getcustom15(); | |
492 _asm | |
493 movff cf,WREG | |
494 call getcustom15,0 | |
495 movff lo,PRODL | |
496 movff hi,PRODH | |
497 _endasm | |
498 } | |
499 | |
500 ////////////////////////////////////////////////////////////////////////////// | |
165 | 501 // read buhlmann tables for compatriment ci |
167 | 502 // If period == 0 : 2sec interval |
503 // 1 : 1 min interval | |
504 // 2 : 10 min interval. | |
505 static void read_buhlmann_coeffifients(static char period) | |
165 | 506 { |
167 | 507 // Note: we don't use far rom pointer, because the |
508 // 24 bits is to complex, hence we have to set | |
509 // the UPPER page ourself... | |
510 // --> Set zero if tables are moved to lower pages ! | |
511 _asm | |
512 movlw 1 | |
513 movwf TBLPTRU,0 | |
514 _endasm | |
515 | |
165 | 516 var_N2_a = buhlmann_a[ci]; |
517 var_N2_b = buhlmann_b[ci]; | |
167 | 518 var_He_a = (buhlmann_a+16)[ci]; |
519 var_He_b = (buhlmann_b+16)[ci]; | |
520 | |
165 | 521 // Check reading consistency: |
522 if( (var_N2_a < 0.231) | |
523 || (var_N2_a > 1.27) | |
524 || (var_N2_b < 0.504) | |
525 || (var_N2_b > 0.966) | |
526 || (var_He_a < 0.510) | |
527 || (var_He_a > 1.75) | |
528 || (var_He_b < 0.423) | |
529 || (var_He_b > 0.927) | |
530 ) | |
531 int_O_DBG_pre_bitfield |= DBG_ZH16ERR; | |
167 | 532 |
165 | 533 // Integration intervals. |
167 | 534 switch(period) |
165 | 535 { |
167 | 536 case -1://---- no interval ----------------------------------------------- |
537 var_N2_e = var_He_e = 0.0; | |
538 break; | |
539 | |
165 | 540 case 0: //---- 2 sec ----------------------------------------------------- |
541 var_N2_e = e2secs[ci]; | |
167 | 542 var_He_e = (e2secs+16)[ci]; |
165 | 543 |
544 // Check reading consistency: | |
545 if( (var_N2_e < 0.0000363) | |
546 || (var_N2_e > 0.00577) | |
547 || (var_He_e < 0.0000961) | |
548 || (var_He_e > 0.150) | |
549 ) | |
550 int_O_DBG_pre_bitfield |= DBG_ZH16ERR; | |
551 | |
552 break; | |
553 | |
554 case 1: //---- 1 min ----------------------------------------------------- | |
555 var_N2_e = e1min[ci]; | |
167 | 556 var_He_e = (e1min+16)[ci]; |
165 | 557 |
558 // Check reading consistency: | |
559 if( (var_N2_e < 1.09E-3) | |
560 || (var_N2_e > 0.1592) | |
561 || (var_He_e < 0.00288) | |
562 || (var_He_e > 0.3682) | |
563 ) | |
564 int_O_DBG_pre_bitfield |= DBG_ZH16ERR; | |
565 | |
566 break; | |
567 | |
568 case 2: //---- 10 min ---------------------------------------------------- | |
569 var_N2_e = e10min[ci]; | |
167 | 570 var_He_e = (e10min+16)[ci]; |
165 | 571 |
572 // Check reading consistency: | |
573 if( (var_N2_e < 0.01085) | |
574 || (var_N2_e > 0.82323) | |
575 || (var_He_e < 0.02846) | |
576 || (var_He_e > 0.98986) | |
577 ) | |
578 int_O_DBG_pre_bitfield |= DBG_ZH16ERR; | |
579 | |
580 break; | |
581 } | |
582 } | |
583 | |
584 ////////////////////////////////////////////////////////////////////////////// | |
167 | 585 // calc_next_decodepth_GF |
165 | 586 // |
116 | 587 // new in v.102 |
165 | 588 // |
116 | 589 // INPUT, changing during dive: |
167 | 590 // temp_pres_gtissue_limit_GF_low |
591 // temp_pres_gtissue_limit_GF_low_below_surface | |
592 // temp_pres_gtissue | |
593 // temp_pres_gtissue_diff | |
594 // lock_GF_depth_list | |
595 // | |
116 | 596 // INPUT, fixed during dive: |
167 | 597 // pres_surface |
598 // GF_delta | |
599 // GF_high | |
600 // GF_low | |
601 // temp_depth_last_deco | |
602 // float_deco_distance | |
603 // | |
116 | 604 // OUTPUT |
167 | 605 // GF_step |
606 // temp_deco | |
607 // temp_depth_limt | |
608 // lock_GF_depth_list | |
609 // | |
610 static void calc_nextdecodepth_GF(void) | |
611 { | |
116 | 612 |
613 char_I_table_deco_done[0] = 0; // safety if changed somewhere else. Needed for exit | |
167 | 614 |
169
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615 //---- ZH-L16 + GRADIENT FACTOR model ------------------------------------ |
116 | 616 if (char_I_deco_model == 1) |
617 { | |
167 | 618 overlay float next_stop; // Next stop to test, in Bar. |
619 overlay float press_tol; // Upper limit (lower pressure) tolerated. | |
620 overlay int int_temp; | |
621 overlay unsigned char temp_depth_GF_low_number; | |
622 overlay float temp_pres_deco_GF_low; | |
623 | |
116 | 624 if (lock_GF_depth_list == 0) |
625 { | |
167 | 626 next_stop = temp_pres_gtissue_limit_GF_low_below_surface / 0.29985; // = ... / 99.95 / 0.003; |
627 int_temp = (int) (next_stop + 0.99); | |
116 | 628 if (int_temp > 31) |
629 int_temp = 31; // deepest deco at 93 meter (31 deco stops) | |
630 if (int_temp < 0) | |
631 int_temp = 0; | |
632 temp_depth_GF_low_number = int_temp; | |
633 temp_depth_GF_low_meter = 3 * temp_depth_GF_low_number; | |
167 | 634 next_stop = (float)temp_depth_GF_low_meter * 0.09995; |
635 temp_pres_deco_GF_low = next_stop + float_deco_distance + pres_surface; | |
116 | 636 if (temp_depth_GF_low_number == 0) |
637 GF_step = 0; | |
638 else | |
639 GF_step = GF_delta / (float)temp_depth_GF_low_number; | |
640 if (GF_step < 0) | |
641 GF_step = 0; | |
642 if (GF_step > GF_delta) | |
643 GF_step = GF_delta; | |
644 int_O_GF_step = (int)(GF_step * 10000); | |
645 int_O_limit_GF_low = (int)(temp_pres_deco_GF_low * 1000); | |
646 int_O_gtissue_press_at_GF_low = (int)(temp_pres_gtissue * 1000); | |
647 char_O_GF_low_pointer = temp_depth_GF_low_number; | |
648 lock_GF_depth_list = 1; | |
649 internal_deco_pointer = 0; | |
650 } | |
651 if (internal_deco_pointer == 0) // new run | |
652 { | |
653 internal_deco_pointer = temp_depth_GF_low_number; | |
654 GF_temp = GF_high - ((float)internal_deco_pointer * GF_step); | |
655 int_temp = char_I_table_deco_done[internal_deco_pointer]; | |
656 } | |
657 else | |
658 { | |
659 int_temp = 1; | |
660 } | |
661 while (int_temp == 1) | |
662 { | |
663 int_temp = internal_deco_pointer - 1; | |
664 if (int_temp == 1) // new in v104 | |
665 { | |
167 | 666 next_stop = (float)(temp_depth_last_deco * int_temp) * 0.09995; |
116 | 667 GF_step2 = GF_step/3.0 * ((float)(6 - temp_depth_last_deco)); |
668 } | |
669 else | |
670 if (int_temp == 0) | |
671 { | |
167 | 672 next_stop = 0.0; |
116 | 673 GF_step2 = GF_high - GF_temp; |
674 } | |
675 else | |
676 { | |
167 | 677 next_stop = (float)(3 *int_temp) * 0.09995; |
116 | 678 GF_step2 = GF_step; |
679 } | |
167 | 680 next_stop = next_stop + pres_surface; // next deco stop to be tested |
681 press_tol = ((GF_temp + GF_step2)* temp_pres_gtissue_diff) + temp_pres_gtissue; // upper limit (lowest pressure allowed) // changes GF_step2 in v104 | |
682 if (press_tol > next_stop) // check if ascent to next deco stop is ok | |
116 | 683 { |
684 int_temp = 0; // no | |
685 } | |
686 else | |
687 { | |
688 internal_deco_pointer = int_temp; | |
689 GF_temp = GF_temp + GF_step2; // changed in v104 | |
690 int_temp = char_I_table_deco_done[internal_deco_pointer]; // yes and check for ascent to even next stop if deco_done is set | |
691 } | |
692 } // while | |
167 | 693 |
116 | 694 if (internal_deco_pointer > 0) |
695 { | |
167 | 696 next_stop = 0.29985 * internal_deco_pointer; |
697 temp_deco = next_stop + float_deco_distance + pres_surface; | |
116 | 698 if (internal_deco_pointer == 1) // new in v104 |
699 temp_depth_limit = temp_depth_last_deco; | |
700 else | |
701 temp_depth_limit = 3 * internal_deco_pointer; | |
702 } | |
703 else // if (char_I_deco_model == 1) | |
704 { | |
705 temp_deco = pres_surface; | |
706 temp_depth_limit = 0; | |
707 } | |
708 } | |
167 | 709 else //---- ZH-L16 model ------------------------------------------------- |
116 | 710 { |
711 // calc_nextdecodepth - original | |
712 // optimized in v.101 | |
713 // depth_last_deco included in v.101 | |
714 | |
167 | 715 overlay float pres_gradient = temp_pres_gtissue_limit - pres_surface; |
716 if (pres_gradient >= 0) | |
116 | 717 { |
167 | 718 pres_gradient = pres_gradient / 0.29985; // = pres_gradient / 99.95 / 0.003; |
719 temp_depth_limit = (int) (pres_gradient + 0.99); | |
720 temp_depth_limit = 3 * temp_depth_limit; // depth for deco [m] | |
116 | 721 if (temp_depth_limit == 0) |
722 temp_deco = pres_surface; | |
723 else | |
724 { | |
725 if (temp_depth_limit < temp_depth_last_deco) | |
726 temp_depth_limit = temp_depth_last_deco; | |
167 | 727 pres_gradient = (float)temp_depth_limit * 0.09995; |
728 temp_deco = pres_gradient + float_deco_distance + pres_surface; // depth for deco [bar] | |
116 | 729 } // if (temp_depth_limit == 0) |
167 | 730 } // if (pres_gradient >= 0) |
116 | 731 else |
732 { | |
733 temp_deco = pres_surface; | |
734 temp_depth_limit = 0; | |
167 | 735 } // if (pres_gradient >= 0) |
116 | 736 } // calc_nextdecodepth original |
167 | 737 } |
116 | 738 |
167 | 739 ////////////////////////////////////////////////////////////////////////////// |
169
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740 // copy_deco_table |
167 | 741 // |
169
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742 // Buffer the stops, once computed, so we can continue to display them |
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743 // while computing the next set. |
167 | 744 // |
169
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745 static void copy_deco_table(void) |
116 | 746 { |
169
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747 // Copy depth of the first (deepest) stop, because when reversing |
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748 // order, it will be hard to find... |
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749 char_O_first_deco_depth = internal_deco_depth[0]; |
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750 char_O_first_deco_time = internal_deco_time [0]; |
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751 |
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752 if( read_custom_function(54) & 1 ) //---- Should we reverse table ? ------ |
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753 { |
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754 overlay unsigned char x, y; |
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755 |
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756 //---- First: search the first non-null depth |
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757 for(x=31; x != 0; --x) |
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758 if( internal_deco_depth[x] != 0 ) break; |
116 | 759 |
169
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760 //---- Second: copy to output table (in reverse order) |
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761 for(y=0; y<32; y++, --x) |
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762 { |
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763 char_O_deco_depth[y] = internal_deco_depth[x]; |
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764 char_O_deco_time [y] = internal_deco_time [x]; |
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765 |
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766 // Stop only once the last transfer is done. |
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767 if( x == 0 ) break; |
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768 } |
116 | 769 |
169
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770 //---- Third: fill table end with null |
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771 for(y++; y<32; y++) |
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772 { |
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773 char_O_deco_time [y] = 0; |
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774 char_O_deco_depth[y] = 0; |
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775 } |
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776 } |
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777 else //---- Straight copy ------------------------------------------------ |
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778 { |
167 | 779 overlay unsigned char x; |
780 | |
169
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781 for(x=0; x<32; x++) |
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782 { |
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783 char_O_deco_depth[x] = internal_deco_depth[x]; |
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784 char_O_deco_time [x] = internal_deco_time [x]; |
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785 } |
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786 } |
167 | 787 } |
116 | 788 |
167 | 789 ////////////////////////////////////////////////////////////////////////////// |
116 | 790 // temp_tissue_safety // |
167 | 791 // |
116 | 792 // outsourced in v.102 |
167 | 793 // |
794 // Apply safety factors for brand ZH-L16 model. | |
795 // | |
796 static void temp_tissue_safety(void) | |
116 | 797 { |
167 | 798 if( char_I_deco_model == 0 ) |
116 | 799 { |
800 if (temp_tissue < 0.0) | |
126 | 801 temp_tissue *= float_desaturation_multiplier; |
116 | 802 else |
126 | 803 temp_tissue *= float_saturation_multiplier; |
116 | 804 } |
167 | 805 } |
116 | 806 |
167 | 807 ////////////////////////////////////////////////////////////////////////////// |
808 ////////////////////////////////////////////////////////////////////////////// | |
116 | 809 // ** THE JUMP-IN CODE ** |
810 // ** for the asm code ** | |
167 | 811 ////////////////////////////////////////////////////////////////////////////// |
812 ////////////////////////////////////////////////////////////////////////////// | |
122
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813 |
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814 void fillDataStack(void) |
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815 { |
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816 _asm |
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817 LFSR 1,C_STACK |
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818 MOVLW 0xCC |
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819 loop: MOVWF POSTINC1,0 |
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820 TSTFSZ FSR1L,0 |
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821 BRA loop |
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822 |
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823 LFSR 1,C_STACK |
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824 LFSR 2,C_STACK |
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825 _endasm |
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826 } |
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827 |
167 | 828 ////////////////////////////////////////////////////////////////////////////// |
122
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829 // When calling C code from ASM context, the data stack pointer and |
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830 // frames should be reset. Bank3 is dedicated to the stack (see the |
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831 // .lkr script). |
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832 #ifdef __DEBUG |
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833 # define RESET_C_STACK fillDataStack(); |
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834 #else |
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835 # define RESET_C_STACK \ |
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836 _asm \ |
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837 LFSR 1, C_STACK \ |
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838 LFSR 2, C_STACK \ |
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839 _endasm |
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840 #endif |
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841 |
167 | 842 ////////////////////////////////////////////////////////////////////////////// |
169
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843 // Called every 2 seconds during diving. |
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844 // update tissues every time. |
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845 // Every 6 seconds (or slower when TTS > 16): |
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846 // - update deco table (char_O_deco_time/depth) with new values. |
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847 // - update ascent time, |
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848 // - set status to zero (so we can check there is new results). |
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849 // |
116 | 850 void deco_calc_hauptroutine(void) |
851 { | |
122
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852 RESET_C_STACK |
116 | 853 calc_hauptroutine(); |
854 int_O_desaturation_time = 65535; | |
855 } | |
856 | |
167 | 857 ////////////////////////////////////////////////////////////////////////////// |
858 | |
116 | 859 void deco_calc_without_deco(void) |
860 { | |
122
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861 RESET_C_STACK |
116 | 862 calc_without_deco(); |
863 deco_calc_desaturation_time(); | |
864 } | |
865 | |
167 | 866 ////////////////////////////////////////////////////////////////////////////// |
867 | |
116 | 868 void deco_clear_tissue(void) |
869 { | |
122
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870 RESET_C_STACK |
116 | 871 clear_tissue(); |
872 char_I_depth_last_deco = 0; // for compatibility with v.101pre_no_last_deco | |
873 } | |
874 | |
167 | 875 ////////////////////////////////////////////////////////////////////////////// |
876 | |
116 | 877 void deco_calc_wo_deco_step_1_min(void) |
878 { | |
122
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879 RESET_C_STACK |
116 | 880 calc_wo_deco_step_1_min(); |
881 char_O_deco_status = 3; // surface new in v.102 overwrites value of calc_wo_deco_step_1_min | |
882 deco_calc_desaturation_time(); | |
883 } | |
884 | |
167 | 885 ////////////////////////////////////////////////////////////////////////////// |
886 | |
116 | 887 void deco_debug(void) |
888 { | |
122
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889 RESET_C_STACK |
116 | 890 } |
891 | |
167 | 892 ////////////////////////////////////////////////////////////////////////////// |
893 // clear_tissue | |
894 // | |
165 | 895 // optimized in v.101 (var_N2_a) |
167 | 896 // |
897 // preload tissues with standard pressure for the given ambient pressure. | |
898 // Note: fixed N2_ratio for standard air. | |
116 | 899 |
167 | 900 static void clear_tissue(void) |
116 | 901 { |
902 flag_in_divemode = 0; | |
903 int_O_DBS_bitfield = 0; | |
904 int_O_DBS2_bitfield = 0; | |
905 int_O_DBG_pre_bitfield = 0; | |
906 int_O_DBG_post_bitfield = 0; | |
907 char_O_NDL_at_20mtr = 255; | |
908 | |
167 | 909 // Kludge: the 0.0002 of 0.7902 are missing with standard air. |
910 N2_ratio = 0.7902; | |
126 | 911 pres_respiration = (float)int_I_pres_respiration / 1000.0; |
164 | 912 |
167 | 913 for(ci=0; ci<16; ci++) |
126 | 914 { |
164 | 915 // cycle through the 16 b"uhlmann tissues |
165 | 916 overlay float p = N2_ratio * (pres_respiration - 0.0627); |
164 | 917 pres_tissue[ci] = p; |
126 | 918 |
167 | 919 read_buhlmann_coeffifients(-1); |
165 | 920 |
921 p = (p - var_N2_a) * var_N2_b ; | |
164 | 922 if( p < 0.0 ) |
923 p = 0.0; | |
924 pres_tissue_limit[ci] = p; | |
925 | |
926 // cycle through the 16 b"uhlmann tissues for Helium | |
167 | 927 (pres_tissue+16)[ci] = 0.0; |
126 | 928 } // for 0 to 16 |
116 | 929 |
169
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930 clear_deco_table(); |
126 | 931 char_O_deco_status = 0; |
932 char_O_nullzeit = 0; | |
168 | 933 int_O_ascenttime = 0; |
126 | 934 char_O_gradient_factor = 0; |
935 char_O_relative_gradient_GF = 0; | |
167 | 936 } |
116 | 937 |
167 | 938 ////////////////////////////////////////////////////////////////////////////// |
939 // calc_without_deco | |
940 // | |
116 | 941 // optimized in v.101 (float_..saturation_multiplier) |
167 | 942 // |
943 // Note: fixed N2_ratio for standard air. | |
116 | 944 |
167 | 945 static void calc_without_deco(void) |
116 | 946 { |
167 | 947 N2_ratio = 0.7902; // Sum as stated in b"uhlmann |
126 | 948 pres_respiration = (float)int_I_pres_respiration / 1000.0; // assembler code uses different digit system |
949 pres_surface = (float)int_I_pres_surface / 1000.0; | |
950 temp_atem = N2_ratio * (pres_respiration - 0.0627); // 0.0627 is the extra pressure in the body | |
951 temp2_atem = 0.0; | |
952 temp_surface = pres_surface; // the b"uhlmann formula using temp_surface does apply to the pressure without any inert ratio | |
953 float_desaturation_multiplier = char_I_desaturation_multiplier / 100.0; | |
954 float_saturation_multiplier = char_I_saturation_multiplier / 100.0; | |
955 | |
167 | 956 calc_tissue_2_secs(); // update the pressure in the 32 tissues in accordance with the new ambient pressure |
126 | 957 |
169
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958 clear_deco_table(); |
126 | 959 char_O_deco_status = 0; |
960 char_O_nullzeit = 0; | |
168 | 961 int_O_ascenttime = 0; |
126 | 962 calc_gradient_factor(); |
167 | 963 } |
116 | 964 |
167 | 965 ////////////////////////////////////////////////////////////////////////////// |
966 // calc_hauptroutine | |
967 // | |
968 // this is the major code in dive mode calculates: | |
116 | 969 // the tissues, |
167 | 970 // the bottom time, |
971 // and simulates the ascend with all deco stops. | |
116 | 972 |
167 | 973 static void calc_hauptroutine(void) |
116 | 974 { |
975 calc_hauptroutine_data_input(); | |
976 | |
977 if(!flag_in_divemode) | |
978 { | |
979 flag_in_divemode = 1; | |
980 create_dbs_set_dbg_and_ndl20mtr(); | |
981 } | |
982 else | |
983 check_pre_dbg(); | |
984 | |
985 calc_hauptroutine_update_tissues(); | |
986 calc_gradient_factor(); | |
987 | |
167 | 988 // toggle between calculation for nullzeit (bottom time), |
989 // deco stops | |
990 // and more deco stops (continue) | |
991 switch( char_O_deco_status ) | |
116 | 992 { |
167 | 993 case 0: //---- bottom time ----------------------------------------------- |
994 update_startvalues(); | |
995 calc_nullzeit(); | |
996 check_ndl(); | |
169
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997 char_O_deco_status = 2; // calc ascent next time. |
167 | 998 break; |
169
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999 |
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1000 case 1: //---- Simulate stops -------------------------------------------- |
167 | 1001 calc_hauptroutine_calc_deco(); |
1002 break; | |
169
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1003 |
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1004 case 3: //---- At surface: start a new dive ------------------------------ |
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1005 clear_deco_table(); |
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1006 copy_deco_table(); |
167 | 1007 internal_deco_pointer = 0; |
1008 lock_GF_depth_list = 0; | |
1009 update_startvalues(); | |
1010 calc_nextdecodepth_GF(); | |
169
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1011 char_O_deco_status = 0; // Calc nullzeit next time. |
167 | 1012 break; |
169
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1013 |
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1014 case 2: //---- Simulate ascent to first stop ----------------------------- |
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1015 sim_ascent_to_first_stop(); |
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1016 char_O_deco_status = 1; // Cacl stops next time. |
167 | 1017 break; |
116 | 1018 } |
167 | 1019 |
116 | 1020 check_post_dbg(); |
1021 } | |
1022 | |
167 | 1023 ////////////////////////////////////////////////////////////////////////////// |
1024 // calc_hauptroutine_data_input | |
1025 // | |
1026 // Reset all C-code dive parameters from their ASM-code values. | |
1027 // Detect gas change condition. | |
1028 // | |
116 | 1029 void calc_hauptroutine_data_input(void) |
1030 { | |
167 | 1031 overlay int int_temp; |
126 | 1032 |
167 | 1033 pres_respiration = int_I_pres_respiration / 1000.0; |
1034 pres_surface = int_I_pres_surface / 1000.0; | |
1035 N2_ratio = char_I_N2_ratio / 100.0; | |
1036 He_ratio = char_I_He_ratio / 100.0; | |
1037 deco_N2_ratio1 = char_I_deco_N2_ratio1 / 100.0; | |
1038 deco_He_ratio1 = char_I_deco_He_ratio1 / 100.0; | |
1039 deco_N2_ratio2 = char_I_deco_N2_ratio2 / 100.0; | |
1040 deco_He_ratio2 = char_I_deco_He_ratio2 / 100.0; | |
1041 deco_N2_ratio3 = char_I_deco_N2_ratio3 / 100.0; | |
1042 deco_He_ratio3 = char_I_deco_He_ratio3 / 100.0; | |
1043 deco_N2_ratio4 = char_I_deco_N2_ratio4 / 100.0; | |
1044 deco_He_ratio4 = char_I_deco_He_ratio4 / 100.0; | |
1045 deco_N2_ratio5 = char_I_deco_N2_ratio5 / 100.0; | |
1046 deco_He_ratio5 = char_I_deco_He_ratio5 / 100.0; | |
1047 float_deco_distance = char_I_deco_distance / 100.0; | |
116 | 1048 |
126 | 1049 // ____________________________________________________ |
1050 // | |
1051 // _____________ G A S _ C H A N G E S ________________ | |
1052 // ____________________________________________________ | |
1053 | |
1054 int_temp = (int_I_pres_respiration - int_I_pres_surface) + MBAR_REACH_GASCHANGE_AUTO_CHANGE_OFF; | |
1055 | |
167 | 1056 deco_gas_change1 = 0; |
126 | 1057 deco_gas_change2 = 0; |
1058 deco_gas_change3 = 0; | |
1059 deco_gas_change4 = 0; | |
1060 deco_gas_change5 = 0; | |
116 | 1061 |
167 | 1062 if(char_I_deco_gas_change1) |
126 | 1063 { |
167 | 1064 overlay int int_temp2 = ((int)char_I_deco_gas_change1) * 100; |
126 | 1065 if(int_temp > int_temp2) |
1066 { | |
167 | 1067 deco_gas_change1 = (float)char_I_deco_gas_change1 / 9.995 + pres_surface; |
1068 deco_gas_change1 += float_deco_distance; | |
126 | 1069 } |
1070 } | |
1071 if(char_I_deco_gas_change2) | |
1072 { | |
167 | 1073 overlay int int_temp2 = ((int)char_I_deco_gas_change2) * 100; |
126 | 1074 if(int_temp > int_temp2) |
1075 { | |
1076 deco_gas_change2 = (float)char_I_deco_gas_change2 / 9.995 + pres_surface; | |
1077 deco_gas_change2 += float_deco_distance; | |
1078 } | |
1079 } | |
1080 if(char_I_deco_gas_change3) | |
1081 { | |
167 | 1082 overlay int int_temp2 = ((int)char_I_deco_gas_change3) * 100; |
126 | 1083 if(int_temp > int_temp2) |
1084 { | |
1085 deco_gas_change3 = (float)char_I_deco_gas_change3 / 9.995 + pres_surface; | |
1086 deco_gas_change3 += float_deco_distance; | |
1087 } | |
1088 } | |
1089 if(char_I_deco_gas_change4) | |
1090 { | |
167 | 1091 overlay int int_temp2 = ((int)char_I_deco_gas_change4) * 100; |
126 | 1092 if(int_temp > int_temp2) |
1093 { | |
1094 deco_gas_change4 = (float)char_I_deco_gas_change4 / 9.995 + pres_surface; | |
1095 deco_gas_change4 += float_deco_distance; | |
1096 } | |
1097 } | |
1098 if(char_I_deco_gas_change5) | |
1099 { | |
167 | 1100 overlay int int_temp2 = ((int)char_I_deco_gas_change5) * 100; |
126 | 1101 if(int_temp > int_temp2) |
1102 { | |
1103 deco_gas_change5 = (float)char_I_deco_gas_change5 / 9.995 + pres_surface; | |
1104 deco_gas_change5 += float_deco_distance; | |
1105 } | |
1106 } | |
116 | 1107 |
126 | 1108 const_ppO2 = (float)char_I_const_ppO2 / 100.0; |
1109 deco_ppO2_change = (float)char_I_deco_ppO2_change / 99.95 + pres_surface; | |
1110 deco_ppO2_change = deco_ppO2_change + float_deco_distance; | |
1111 deco_ppO2 = (float)char_I_deco_ppO2 / 100.0; | |
1112 float_desaturation_multiplier = char_I_desaturation_multiplier / 100.0; | |
1113 float_saturation_multiplier = char_I_saturation_multiplier / 100.0; | |
1114 GF_low = (float)char_I_GF_Low_percentage / 100.0; | |
1115 GF_high = (float)char_I_GF_High_percentage / 100.0; | |
1116 GF_delta = GF_high - GF_low; | |
1117 | |
1118 temp2 = (pres_respiration - pres_surface) / 0.29985; | |
1119 int_temp = (int)(temp2); | |
1120 if (int_temp < 0) | |
1121 int_temp = 0; | |
1122 if (int_temp > 255) | |
1123 int_temp = 255; | |
1124 char_O_actual_pointer = int_temp; | |
1125 | |
1126 temp_depth_last_deco = (int)char_I_depth_last_deco; | |
116 | 1127 } |
1128 | |
167 | 1129 ////////////////////////////////////////////////////////////////////////////// |
1130 | |
116 | 1131 void calc_hauptroutine_update_tissues(void) |
1132 { | |
1133 int_O_calc_tissue_call_counter = int_O_calc_tissue_call_counter + 1; | |
167 | 1134 if (char_I_const_ppO2 == 0) // new in v.101 |
1135 pres_diluent = pres_respiration; // new in v.101 | |
1136 else // new in v.101 | |
1137 pres_diluent = ((pres_respiration - const_ppO2)/(N2_ratio + He_ratio)); // new in v.101 | |
1138 if (pres_diluent > pres_respiration) // new in v.101 | |
1139 pres_diluent = pres_respiration; // new in v.101 | |
1140 if (pres_diluent > 0.0627) // new in v.101 | |
116 | 1141 { |
167 | 1142 temp_atem = N2_ratio * (pres_diluent - 0.0627); // changed in v.101 |
1143 temp2_atem = He_ratio * (pres_diluent - 0.0627); // changed in v.101 | |
116 | 1144 char_O_diluent = (char)(pres_diluent/pres_respiration*100.0); |
1145 } | |
167 | 1146 else // new in v.101 |
116 | 1147 { |
167 | 1148 temp_atem = 0.0; // new in v.101 |
1149 temp2_atem = 0.0; // new in v.101 | |
116 | 1150 char_O_diluent = 0; |
1151 } | |
1152 temp_surface = pres_surface; | |
1153 | |
1154 if(!char_I_step_is_1min) | |
167 | 1155 calc_tissue_2_secs(); |
116 | 1156 else |
167 | 1157 calc_tissue_1_min(); |
116 | 1158 |
1159 int_O_gtissue_limit = (int)(pres_tissue_limit[char_O_gtissue_no] * 1000); | |
1160 int_O_gtissue_press = (int)((pres_tissue[char_O_gtissue_no] + pres_tissue[char_O_gtissue_no+16]) * 1000); | |
1161 if (char_I_deco_model == 1) | |
1162 { | |
1163 temp1 = temp1 * GF_high; | |
1164 } | |
1165 else | |
1166 { | |
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1167 temp1 = temp_surface; |
116 | 1168 } |
1169 if (pres_gtissue_limit > temp1 && char_O_deco_status == 0) // if guiding tissue can not be exposed to surface pressure immediately | |
1170 { | |
169
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1171 char_O_nullzeit = 0; // deco necessary |
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1172 char_O_deco_status = 2; // calculate ascent on next iteration. |
116 | 1173 } |
1174 } // calc_hauptroutine_update_tissues | |
1175 | |
167 | 1176 ////////////////////////////////////////////////////////////////////////////// |
169
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1177 // Compute stops. |
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1178 // |
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1179 // Note: because this can be very long, break on 16 iterations, and set state |
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1180 // to 0 when finished, or to 1 when needing to continue. |
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1181 // |
116 | 1182 void calc_hauptroutine_calc_deco(void) |
1183 { | |
169
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1184 overlay unsigned char loop; |
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1185 |
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1186 for(loop = 0; loop < 16; ++loop) |
116 | 1187 { |
1188 calc_nextdecodepth_GF(); | |
1189 | |
169
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1190 //---- Finish computations once surface is reached ------------------- |
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1191 if( temp_depth_limit <= 0 ) |
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1192 { |
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1193 copy_deco_table(); |
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1194 calc_ascenttime(); |
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1195 char_O_deco_status = 0; // calc nullzeit next time. |
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1196 return; |
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1197 } |
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1198 |
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1199 //---- Else, continue simulating the stops --------------------------- |
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Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1200 calc_N2_ratio = N2_ratio; |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1201 calc_He_ratio = He_ratio; |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1202 |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1203 if (char_I_const_ppO2 == 0) |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1204 { |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1205 deco_diluent = temp_deco; |
116 | 1206 |
169
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1207 if(deco_gas_change1 && (temp_deco < deco_gas_change1)) |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1208 { |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1209 calc_N2_ratio = deco_N2_ratio1; |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1210 calc_He_ratio = deco_He_ratio1; |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1211 } |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1212 if(deco_gas_change2 && (temp_deco < deco_gas_change2)) |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1213 { |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1214 calc_N2_ratio = deco_N2_ratio2; |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1215 calc_He_ratio = deco_He_ratio2; |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1216 } |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1217 if(deco_gas_change3 && (temp_deco < deco_gas_change3)) |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1218 { |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1219 calc_N2_ratio = deco_N2_ratio3; |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1220 calc_He_ratio = deco_He_ratio3; |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1221 } |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1222 if(deco_gas_change4 && (temp_deco < deco_gas_change4)) |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1223 { |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1224 calc_N2_ratio = deco_N2_ratio4; |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1225 calc_He_ratio = deco_He_ratio4; |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1226 } |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1227 if(deco_gas_change5 && (temp_deco < deco_gas_change5)) |
116 | 1228 { |
169
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1229 calc_N2_ratio = deco_N2_ratio5; |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1230 calc_He_ratio = deco_He_ratio5; |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1231 } |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1232 } |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1233 else |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1234 { |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1235 if (temp_deco > deco_ppO2_change) |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1236 { |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1237 deco_diluent = ((temp_deco - const_ppO2)/(N2_ratio + He_ratio)); |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1238 } |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1239 else |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1240 { |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1241 deco_diluent = ((temp_deco - deco_ppO2)/(N2_ratio + He_ratio)); |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1242 } |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1243 } |
167 | 1244 |
169
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1245 if (deco_diluent > temp_deco) // new in v.101 |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1246 deco_diluent = temp_deco; // new in v.101 |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1247 |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1248 if (deco_diluent > 0.0627) // new in v.101 |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1249 { |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1250 temp_atem = calc_N2_ratio * (deco_diluent - 0.0627); // changed in v.101 |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1251 temp2_atem = calc_He_ratio * (deco_diluent - 0.0627); // changed in v.101 |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1252 } |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1253 else // new in v.101 |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1254 { |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1255 temp_atem = 0.0; // new in v.101 |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1256 temp2_atem = 0.0; // new in v.101 |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1257 } |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1258 |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1259 sim_tissue_1min(); // Simulate compartiments for 1 minute. |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1260 update_deco_table(); // Add one minute stops. |
116 | 1261 } |
169
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1262 |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1263 // Surface not reached, need more stops... |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1264 char_O_deco_status = 1; // calc more stops next time. |
116 | 1265 } |
1266 | |
167 | 1267 ////////////////////////////////////////////////////////////////////////////// |
169
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1268 // Simulation ascention to first deco stop. |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1269 // |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1270 // 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
|
1271 // 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
|
1272 // (or we are already in deep shit). |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1273 // |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1274 void sim_ascent_to_first_stop(void) |
116 | 1275 { |
1276 update_startvalues(); | |
169
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1277 clear_deco_table(); |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1278 |
116 | 1279 temp_deco = pres_respiration; |
169
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1280 lock_GF_depth_list = 1; |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1281 |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1282 // Loop until first top or surface is reached. |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1283 for(;;) |
116 | 1284 { |
169
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1285 temp_deco = temp_deco - 1.0; // Ascent 1 min, at 10m/min. == 1bar/min. |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1286 |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1287 if ( char_I_deco_model == 1) |
116 | 1288 temp_limit = temp_pres_gtissue_limit_GF_low; |
1289 else | |
1290 temp_limit = temp_pres_gtissue_limit; | |
1291 | |
169
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1292 // Did we hit the first stop ? |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1293 if( temp_deco <= temp_limit ) |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1294 break; |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1295 |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1296 // Or the surface ? |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1297 if( temp_deco <= pres_surface ) |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1298 break; |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1299 |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1300 lock_GF_depth_list = 0; |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1301 temp_deco += 0.5; // Check gas change 5 meter below new depth. |
116 | 1302 |
169
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1303 //---- Simulat gas switches, at half the ascent |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1304 calc_N2_ratio = N2_ratio; |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1305 calc_He_ratio = He_ratio; |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1306 |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1307 if (char_I_const_ppO2 == 0) |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1308 { |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1309 deco_diluent = temp_deco; |
116 | 1310 |
169
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1311 if(deco_gas_change1 && (temp_deco < deco_gas_change1)) |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1312 { |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1313 calc_N2_ratio = deco_N2_ratio1; |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1314 calc_He_ratio = deco_He_ratio1; |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1315 } |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1316 if(deco_gas_change2 && (temp_deco < deco_gas_change2)) |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1317 { |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1318 calc_N2_ratio = deco_N2_ratio2; |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1319 calc_He_ratio = deco_He_ratio2; |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1320 } |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1321 if(deco_gas_change3 && (temp_deco < deco_gas_change3)) |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1322 { |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1323 calc_N2_ratio = deco_N2_ratio3; |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1324 calc_He_ratio = deco_He_ratio3; |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1325 } |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1326 if(deco_gas_change4 && (temp_deco < deco_gas_change4)) |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1327 { |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1328 calc_N2_ratio = deco_N2_ratio4; |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1329 calc_He_ratio = deco_He_ratio4; |
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 if(deco_gas_change5 && (temp_deco < deco_gas_change5)) |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1332 { |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1333 calc_N2_ratio = deco_N2_ratio5; |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1334 calc_He_ratio = deco_He_ratio5; |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1335 } |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1336 } |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1337 else |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1338 { |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1339 if( temp_deco > deco_ppO2_change ) |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1340 deco_diluent = (temp_deco - const_ppO2)/(N2_ratio + He_ratio); // calculate at half of the ascent |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1341 else |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1342 deco_diluent = (temp_deco - deco_ppO2)/(N2_ratio + He_ratio); // calculate at half of the ascent |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1343 if( deco_diluent > temp_deco ) |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1344 deco_diluent = temp_deco; |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1345 } |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1346 |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1347 temp_deco -= 0.5; // Back to new depth. |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1348 |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1349 if (deco_diluent > 0.0627) |
e26f49674956
Merge decoplan display for both GF and Buhlmann models.
JeanDo
parents:
168
diff
changeset
|
1350 { |
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1351 temp_atem = calc_N2_ratio * (deco_diluent - 0.0627); |
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1352 temp2_atem = calc_He_ratio * (deco_diluent - 0.0627); |
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1353 } |
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1354 else |
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1355 { |
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1356 temp_atem = 0.0; |
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1357 temp2_atem = 0.0; |
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1358 } |
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1359 |
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1360 // Then simulate with the new gas pressures...s |
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1361 sim_tissue_1min(); |
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1362 } |
167 | 1363 } |
116 | 1364 |
167 | 1365 ////////////////////////////////////////////////////////////////////////////// |
1366 // calc_tissue | |
1367 // | |
116 | 1368 // optimized in v.101 |
167 | 1369 // |
1370 static void calc_tissue(static unsigned char period) | |
116 | 1371 { |
126 | 1372 char_O_gtissue_no = 255; |
1373 pres_gtissue_limit = 0.0; | |
1374 | |
1375 for (ci=0;ci<16;ci++) | |
1376 { | |
167 | 1377 read_buhlmann_coeffifients(period); // 2 sec or 1 min period. |
116 | 1378 |
126 | 1379 // N2 |
165 | 1380 temp_tissue = (temp_atem - pres_tissue[ci]) * var_N2_e; |
126 | 1381 temp_tissue_safety(); |
167 | 1382 pres_tissue[ci] += temp_tissue; |
165 | 1383 |
126 | 1384 // He |
167 | 1385 temp_tissue = (temp2_atem - (pres_tissue+16)[ci]) * var_He_e; |
126 | 1386 temp_tissue_safety(); |
167 | 1387 (pres_tissue+16)[ci] += temp_tissue; |
165 | 1388 |
167 | 1389 temp_tissue = pres_tissue[ci] + (pres_tissue+16)[ci]; |
116 | 1390 |
167 | 1391 var_N2_a = (var_N2_a * pres_tissue[ci] + var_He_a * (pres_tissue+16)[ci]) / temp_tissue; |
1392 var_N2_b = (var_N2_b * pres_tissue[ci] + var_He_b * (pres_tissue+16)[ci]) / temp_tissue; | |
165 | 1393 pres_tissue_limit[ci] = (temp_tissue - var_N2_a) * var_N2_b; |
126 | 1394 if (pres_tissue_limit[ci] < 0) |
1395 pres_tissue_limit[ci] = 0; | |
1396 if (pres_tissue_limit[ci] > pres_gtissue_limit) | |
1397 { | |
1398 pres_gtissue_limit = pres_tissue_limit[ci]; | |
1399 char_O_gtissue_no = ci; | |
1400 }//if | |
1401 } // for | |
167 | 1402 } |
116 | 1403 |
167 | 1404 ////////////////////////////////////////////////////////////////////////////// |
1405 // calc_tissue_2_secs | |
1406 // | |
1407 // optimized in v.101 | |
1408 // | |
1409 static void calc_tissue_2_secs(void) | |
1410 { | |
1411 calc_tissue(0); | |
1412 } | |
116 | 1413 |
167 | 1414 ////////////////////////////////////////////////////////////////////////////// |
1415 // calc_tissue_1_min | |
1416 // | |
1417 // optimized in v.101 | |
1418 // | |
1419 static void calc_tissue_1_min(void) | |
116 | 1420 { |
167 | 1421 calc_tissue(1); |
1422 } | |
1423 | |
1424 ////////////////////////////////////////////////////////////////////////////// | |
1425 // calc_nullzeit | |
1426 // | |
1427 // calculates the remaining bottom time | |
1428 // | |
1429 // unchanged in v.101 | |
1430 // | |
1431 static void calc_nullzeit(void) | |
1432 { | |
1433 overlay int loop; | |
1434 | |
116 | 1435 char_O_nullzeit = 0; |
167 | 1436 for(loop = 1; loop <= 17; loop++) |
116 | 1437 { |
1438 backup_sim_pres_tissue(); | |
1439 sim_tissue_10min(); | |
169
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1440 char_O_nullzeit += 10; |
167 | 1441 |
116 | 1442 if (char_I_deco_model == 1) |
1443 temp1 = GF_high * temp_pres_gtissue_diff + temp_pres_gtissue; | |
1444 else | |
1445 temp1 = temp_pres_gtissue_limit; | |
1446 if (temp1 > temp_surface) // changed in v.102 , if guiding tissue can not be exposed to surface pressure immediately | |
167 | 1447 loop = 255; |
1448 } | |
1449 | |
1450 if (loop == 255) | |
116 | 1451 { |
1452 restore_sim_pres_tissue(); | |
169
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1453 char_O_nullzeit -= 10; |
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1454 } //if loop == 255 |
167 | 1455 |
116 | 1456 if (char_O_nullzeit < 60) |
1457 { | |
167 | 1458 for(loop=1; loop <= 10; loop++) |
116 | 1459 { |
1460 sim_tissue_1min(); | |
1461 char_O_nullzeit = char_O_nullzeit + 1; | |
167 | 1462 if (char_I_deco_model == 1) |
1463 temp1 = GF_high * temp_pres_gtissue_diff + temp_pres_gtissue; | |
1464 else | |
1465 temp1 = temp_pres_gtissue_limit; | |
1466 if (temp1 > temp_surface) // changed in v.102 , if guiding tissue can not be exposed to surface pressure immediately | |
1467 loop = 255; | |
1468 } | |
1469 if (loop == 255) | |
116 | 1470 char_O_nullzeit = char_O_nullzeit - 1; |
1471 } // if char_O_nullzeit < 60 | |
1472 } //calc_nullzeit | |
1473 | |
167 | 1474 ////////////////////////////////////////////////////////////////////////////// |
1475 // backup_sim_pres_tissue | |
1476 // | |
116 | 1477 void backup_sim_pres_tissue(void) |
1478 { | |
167 | 1479 overlay unsigned char x; |
1480 | |
1481 for(x = 0; x<32; x++) | |
126 | 1482 sim_pres_tissue_backup[x] = sim_pres_tissue[x]; |
167 | 1483 } |
116 | 1484 |
167 | 1485 ////////////////////////////////////////////////////////////////////////////// |
1486 // restore_sim_pres_tissue | |
1487 // | |
116 | 1488 void restore_sim_pres_tissue(void) |
1489 { | |
167 | 1490 overlay unsigned char x; |
1491 | |
1492 for(x = 0; x<32; x++) | |
126 | 1493 sim_pres_tissue[x] = sim_pres_tissue_backup[x]; |
167 | 1494 } |
116 | 1495 |
167 | 1496 ////////////////////////////////////////////////////////////////////////////// |
1497 // calc_ascenttime | |
1498 // | |
169
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1499 static void calc_ascenttime(void) |
116 | 1500 { |
126 | 1501 if (pres_respiration > pres_surface) |
1502 { | |
169
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1503 overlay unsigned char x; |
168 | 1504 |
169
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1505 // + 0.6 to count 1 minute ascent time from 4 meter to surface |
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1506 overlay float ascent = pres_respiration - pres_surface + 0.6; |
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1507 if (ascent < 0.0) |
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1508 ascent = 0.0; |
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1509 int_O_ascenttime = (unsigned int)ascent; |
168 | 1510 |
169
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1511 for(x=0; x<32 && internal_deco_depth[x]; x++) |
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1512 int_O_ascenttime += (unsigned int)internal_deco_time[x]; |
126 | 1513 } |
1514 else | |
168 | 1515 int_O_ascenttime = 0; |
167 | 1516 } |
116 | 1517 |
167 | 1518 ////////////////////////////////////////////////////////////////////////////// |
1519 // update_startvalues | |
1520 // | |
116 | 1521 // updated in v.102 |
167 | 1522 // |
116 | 1523 void update_startvalues(void) |
1524 { | |
167 | 1525 overlay unsigned char x; |
1526 | |
116 | 1527 temp_pres_gtissue_limit = pres_gtissue_limit; |
1528 temp_pres_gtissue = pres_tissue[char_O_gtissue_no] + pres_tissue[char_O_gtissue_no+16]; | |
1529 temp_pres_gtissue_diff = temp_pres_gtissue_limit - temp_pres_gtissue; // negative number | |
1530 temp_pres_gtissue_limit_GF_low = GF_low * temp_pres_gtissue_diff + temp_pres_gtissue; | |
1531 temp_pres_gtissue_limit_GF_low_below_surface = temp_pres_gtissue_limit_GF_low - pres_surface; | |
1532 if (temp_pres_gtissue_limit_GF_low_below_surface < 0) | |
1533 temp_pres_gtissue_limit_GF_low_below_surface = 0; | |
1534 | |
1535 temp_gtissue_no = char_O_gtissue_no; | |
1536 for (x = 0;x<16;x++) | |
1537 { | |
1538 sim_pres_tissue[x] = pres_tissue[x]; | |
169
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1539 (sim_pres_tissue+16)[x] = (pres_tissue+16)[x]; |
116 | 1540 sim_pres_tissue_limit[x] = pres_tissue_limit[x]; |
1541 } | |
167 | 1542 } |
116 | 1543 |
167 | 1544 ////////////////////////////////////////////////////////////////////////////// |
1545 // sim_tissue_1min | |
1546 // | |
116 | 1547 // optimized in v.101 |
167 | 1548 // |
1549 // Function very simular to calc_tissue, but: | |
1550 // + Use a 1min or 10min period. | |
1551 // + Do it on sim_pres_tissue, instead of pres_tissue. | |
1552 // + Update GF_low state for GF decompression model. | |
1553 // | |
1554 static void sim_tissue(static unsigned char period) | |
116 | 1555 { |
126 | 1556 temp_pres_gtissue_limit = 0.0; |
1557 temp_gtissue_no = 255; | |
167 | 1558 |
126 | 1559 for (ci=0;ci<16;ci++) |
1560 { | |
167 | 1561 read_buhlmann_coeffifients(period); // 1 or 10 minute(s) interval |
165 | 1562 |
126 | 1563 // N2 |
165 | 1564 temp_tissue = (temp_atem - sim_pres_tissue[ci]) * var_N2_e; |
126 | 1565 temp_tissue_safety(); |
167 | 1566 sim_pres_tissue[ci] += temp_tissue; |
126 | 1567 |
1568 // He | |
167 | 1569 temp_tissue = (temp2_atem - (sim_pres_tissue+16)[ci]) * var_He_e; |
126 | 1570 temp_tissue_safety(); |
167 | 1571 (sim_pres_tissue+16)[ci] += temp_tissue; |
126 | 1572 |
1573 // pressure limit | |
167 | 1574 temp_tissue = sim_pres_tissue[ci] + (sim_pres_tissue+16)[ci]; |
1575 var_N2_a = (var_N2_a * sim_pres_tissue[ci] + var_He_a * (sim_pres_tissue+16)[ci]) / temp_tissue; | |
1576 var_N2_b = (var_N2_b * sim_pres_tissue[ci] + var_He_b * (sim_pres_tissue+16)[ci]) / temp_tissue; | |
165 | 1577 sim_pres_tissue_limit[ci] = (temp_tissue - var_N2_a) * var_N2_b; |
126 | 1578 |
1579 if (sim_pres_tissue_limit[ci] < 0) | |
1580 sim_pres_tissue_limit[ci] = 0; | |
1581 if (sim_pres_tissue_limit[ci] > temp_pres_gtissue_limit) | |
1582 { | |
1583 temp_pres_gtissue = temp_tissue; | |
1584 temp_pres_gtissue_limit = sim_pres_tissue_limit[ci]; | |
1585 temp_gtissue_no = ci; | |
1586 } | |
1587 } // for | |
116 | 1588 |
126 | 1589 temp_pres_gtissue_diff = temp_pres_gtissue_limit - temp_pres_gtissue; |
1590 temp_pres_gtissue_limit_GF_low = GF_low * temp_pres_gtissue_diff + temp_pres_gtissue; | |
1591 temp_pres_gtissue_limit_GF_low_below_surface = temp_pres_gtissue_limit_GF_low - pres_surface; | |
1592 if (temp_pres_gtissue_limit_GF_low_below_surface < 0) | |
1593 temp_pres_gtissue_limit_GF_low_below_surface = 0; | |
167 | 1594 } |
116 | 1595 |
167 | 1596 ////////////////////////////////////////////////////////////////////////////// |
1597 // sim_tissue_1min | |
1598 // | |
1599 static void sim_tissue_1min(void) | |
116 | 1600 { |
167 | 1601 sim_tissue(1); // 1 minute period |
1602 } | |
116 | 1603 |
167 | 1604 ////////////////////////////////////////////////////////////////////////////// |
1605 // sim_tissue_10min | |
1606 // | |
1607 static void sim_tissue_10min(void) | |
1608 { | |
1609 sim_tissue(2); // 10 minutes period | |
1610 } | |
1611 | |
1612 ////////////////////////////////////////////////////////////////////////////// | |
169
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1613 // clear_deco_table |
167 | 1614 // |
1615 // unchanged in v.101 | |
1616 // | |
169
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1617 static void clear_deco_table(void) |
116 | 1618 { |
169
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1619 overlay unsigned char x; |
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1620 |
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1621 for(x=0; x<32; ++x) |
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1622 { |
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1623 internal_deco_time [x] = 0; |
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1624 internal_deco_depth[x] = 0; |
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1625 } |
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1626 } |
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1627 |
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1628 ////////////////////////////////////////////////////////////////////////////// |
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1629 // update_deco_table |
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1630 // |
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1631 // Add 1 min to current stop. |
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1632 // |
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1633 // Inputs: |
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1634 // temp_depth_limit = stop's depth, in meters. |
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1635 // In/Out: |
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1636 // internal_deco_depth[] : depth (in meters) of each stops. |
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1637 // internal_deco_time [] : time (in minutes) of each stops. |
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1638 // |
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1639 static void update_deco_table() |
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1640 { |
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1641 overlay unsigned char x; |
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1642 |
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1643 if( temp_depth_limit > 255 ) // Can't store stops at more than 255m. |
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1644 temp_depth_limit = 255; |
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1645 |
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1646 for(x=0; x<32; ++x) |
116 | 1647 { |
169
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1648 // Did we found the right stop ? |
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1649 if( internal_deco_depth[x] == temp_depth_limit ) |
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1650 { |
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1651 // Increment stop time, but do test overflow: |
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1652 overlay int stop_time = 1 + (int)internal_deco_time[x]; |
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1653 if( stop_time > 255 ) |
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1654 stop_time = 255; |
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1655 internal_deco_time[x] = stop_time; |
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1656 |
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1657 // Done ! |
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1658 return; |
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1659 } |
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1660 |
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1661 if( internal_deco_depth[x] == 0 ) |
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1662 { |
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1663 // Found a free position: initialise it. |
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1664 internal_deco_depth[x] = (unsigned char)temp_depth_limit; |
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1665 internal_deco_time[x] = 1; |
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1666 return; |
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1667 } |
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1668 } |
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1669 |
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1670 // Here, there is no space left for stops. |
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1671 // Ie. the first one starts at 3m*32 positions = 96m... |
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1672 // Just do nothing with that... |
167 | 1673 } |
116 | 1674 |
167 | 1675 ////////////////////////////////////////////////////////////////////////////// |
1676 // calc_gradient_factor | |
1677 // | |
165 | 1678 // optimized in v.101 (var_N2_a) |
116 | 1679 // new code in v.102 |
167 | 1680 // |
1681 static void calc_gradient_factor(void) | |
116 | 1682 { |
1683 // tissue > respiration (entsaettigungsvorgang) | |
1684 // gradient ist wieviel prozent an limit mit basis tissue | |
1685 // dh. 0% = respiration == tissue | |
1686 // dh. 100% = respiration == limit | |
1687 temp_tissue = pres_tissue[char_O_gtissue_no] + pres_tissue[char_O_gtissue_no+16]; | |
1688 temp1 = temp_tissue - pres_respiration; | |
1689 temp2 = temp_tissue - pres_tissue_limit[char_O_gtissue_no]; // changed in v.102 | |
1690 temp2 = temp1/temp2; | |
1691 temp2 = temp2 * 100; // displayed in percent | |
1692 if (temp2 < 0) | |
1693 temp2 = 0; | |
1694 if (temp2 > 255) | |
1695 temp2 = 255; | |
1696 if (temp1 < 0) | |
1697 char_O_gradient_factor = 0; | |
1698 else | |
1699 char_O_gradient_factor = (char)temp2; | |
1700 | |
1701 temp3 = temp2; | |
1702 | |
1703 if (char_I_deco_model == 1) // calculate relative gradient factor | |
1704 { | |
1705 temp1 = (float)temp_depth_GF_low_meter * 0.09995; | |
1706 temp2 = pres_respiration - pres_surface; | |
1707 if (temp2 <= 0) | |
1708 temp1 = GF_high; | |
1709 else | |
1710 if (temp2 >= temp1) | |
1711 temp1 = GF_low; | |
1712 else | |
1713 temp1 = GF_low + (temp1 - temp2)/temp1*GF_delta; | |
1714 if (temp_depth_GF_low_meter == 0) | |
1715 temp1 = GF_high; | |
1716 temp2 = temp3 / temp1; // temp3 is already in percent | |
1717 if (temp2 < 0) | |
1718 temp2 = 0; | |
1719 if (temp2 > 255) | |
1720 temp2 = 255; | |
1721 char_O_relative_gradient_GF = (char)temp2; | |
1722 } // calc relative gradient factor | |
1723 else | |
1724 { | |
1725 char_O_relative_gradient_GF = char_O_gradient_factor; | |
1726 } | |
167 | 1727 } |
116 | 1728 |
167 | 1729 ////////////////////////////////////////////////////////////////////////////// |
1730 // deco_calc_desaturation_time | |
1731 // | |
116 | 1732 // FIXED N2_ratio |
1733 // unchanged in v.101 | |
167 | 1734 // |
116 | 1735 void deco_calc_desaturation_time(void) |
1736 { | |
167 | 1737 overlay int desat_time; // For a particular compartiment, in min. |
1738 | |
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1739 RESET_C_STACK |
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1740 |
126 | 1741 N2_ratio = 0.7902; // FIXED sum as stated in b"uhlmann |
1742 pres_surface = (float)int_I_pres_surface / 1000.0; | |
1743 temp_atem = N2_ratio * (pres_surface - 0.0627); | |
1744 int_O_desaturation_time = 0; | |
1745 float_desaturation_multiplier = char_I_desaturation_multiplier / 142.0; // new in v.101 (70,42%/100.=142) | |
1746 | |
1747 for (ci=0;ci<16;ci++) | |
1748 { | |
165 | 1749 var_N2_halftime = buhlmann_ht[ci]; |
167 | 1750 var_He_halftime = (buhlmann_ht+16)[ci]; |
116 | 1751 |
126 | 1752 // saturation_time (for flight) and N2_saturation in multiples of halftime |
1753 // version v.100: 1.1 = 10 percent distance to totally clean (totally clean is not possible, would take infinite time ) | |
1754 // new in version v.101: 1.07 = 7 percent distance to totally clean (totally clean is not possible, would take infinite time ) | |
1755 // changes in v.101: 1.05 = 5 percent dist to totally clean is new desaturation point for display and noFly calculations | |
1756 // N2 | |
1757 temp1 = 1.05 * temp_atem; | |
1758 temp1 = temp1 - pres_tissue[ci]; | |
1759 temp2 = temp_atem - pres_tissue[ci]; | |
1760 if (temp2 >= 0.0) | |
1761 { | |
1762 temp1 = 0; | |
1763 temp2 = 0; | |
1764 } | |
1765 else | |
1766 temp1 = temp1 / temp2; | |
1767 if (temp1 > 0.0) | |
1768 { | |
1769 temp1 = log(1.0 - temp1); | |
1770 temp1 = temp1 / -0.6931; // temp1 is the multiples of half times necessary. | |
1771 // 0.6931 is ln(2), because the math function log() calculates with a base of e not 2 as requested. | |
1772 // minus because log is negative | |
165 | 1773 temp2 = var_N2_halftime * temp1 / float_desaturation_multiplier; // time necessary (in minutes ) for complete desaturation (see comment about 10 percent) , new in v.101: float_desaturation_multiplier |
126 | 1774 } |
1775 else | |
1776 { | |
1777 temp1 = 0; | |
1778 temp2 = 0; | |
1779 } | |
116 | 1780 |
126 | 1781 // He |
167 | 1782 temp3 = 0.1 - (pres_tissue+16)[ci]; |
126 | 1783 if (temp3 >= 0.0) |
1784 { | |
1785 temp3 = 0; | |
1786 temp4 = 0; | |
1787 } | |
1788 else | |
167 | 1789 temp3 = -1.0 * temp3 / (pres_tissue+16)[ci]; |
126 | 1790 if (temp3 > 0.0) |
1791 { | |
1792 temp3 = log(1.0 - temp3); | |
1793 temp3 = temp3 / -0.6931; // temp1 is the multiples of half times necessary. | |
1794 // 0.6931 is ln(2), because the math function log() calculates with a base of e not 2 as requested. | |
1795 // minus because log is negative | |
165 | 1796 temp4 = var_He_halftime * temp3 / float_desaturation_multiplier; // time necessary (in minutes ) for "complete" desaturation, new in v.101 float_desaturation_multiplier |
126 | 1797 } |
1798 else | |
1799 { | |
1800 temp3 = 0; | |
1801 temp4 = 0; | |
1802 } | |
116 | 1803 |
126 | 1804 // saturation_time (for flight) |
1805 if (temp4 > temp2) | |
167 | 1806 desat_time = (int)temp4; |
126 | 1807 else |
167 | 1808 desat_time = (int)temp2; |
1809 if(desat_time > int_O_desaturation_time) | |
1810 int_O_desaturation_time = desat_time; | |
116 | 1811 |
126 | 1812 // N2 saturation in multiples of halftime for display purposes |
1813 temp2 = temp1 * 20.0; // 0 = 1/8, 120 = 0, 249 = 8 | |
1814 temp2 = temp2 + 80.0; // set center | |
1815 if (temp2 < 0.0) | |
1816 temp2 = 0.0; | |
1817 if (temp2 > 255.0) | |
1818 temp2 = 255.0; | |
1819 char_O_tissue_saturation[ci] = (char)temp2; | |
1820 // He saturation in multiples of halftime for display purposes | |
1821 temp4 = temp3 * 20.0; // 0 = 1/8, 120 = 0, 249 = 8 | |
1822 temp4 = temp4 + 80.0; // set center | |
1823 if (temp4 < 0.0) | |
1824 temp4 = 0.0; | |
1825 if (temp4 > 255.0) | |
1826 temp4 = 255.0; | |
167 | 1827 (char_O_tissue_saturation+16)[ci] = (char)temp4; |
126 | 1828 } // for |
167 | 1829 } |
116 | 1830 |
167 | 1831 ////////////////////////////////////////////////////////////////////////////// |
1832 // calc_wo_deco_step_1_min | |
1833 // | |
116 | 1834 // FIXED N2 Ratio |
1835 // optimized in v.101 (...saturation_multiplier) | |
1836 // desaturation slowed down to 70,42% | |
167 | 1837 // |
1838 static void calc_wo_deco_step_1_min(void) | |
116 | 1839 { |
1840 if(flag_in_divemode) | |
1841 { | |
1842 flag_in_divemode = 0; | |
1843 set_dbg_end_of_dive(); | |
1844 } | |
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1845 |
126 | 1846 N2_ratio = 0.7902; // FIXED, sum lt. buehlmann |
1847 pres_respiration = (float)int_I_pres_respiration / 1000.0; // assembler code uses different digit system | |
1848 pres_surface = (float)int_I_pres_surface / 1000.0; | |
1849 temp_atem = N2_ratio * (pres_respiration - 0.0627); // 0.0627 is the extra pressure in the body | |
1850 temp2_atem = 0.0; | |
1851 temp_surface = pres_surface; // the b"uhlmann formula using temp_surface does not use the N2_ratio | |
1852 float_desaturation_multiplier = char_I_desaturation_multiplier / 142.0; // new in v.101 (70,42%/100.=142) | |
1853 float_saturation_multiplier = char_I_saturation_multiplier / 100.0; | |
1854 | |
167 | 1855 calc_tissue_1_min(); // update the pressure in the 32 tissues in accordance with the new ambient pressure |
1856 | |
169
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1857 clear_deco_table(); |
126 | 1858 char_O_deco_status = 0; |
1859 char_O_nullzeit = 0; | |
168 | 1860 int_O_ascenttime = 0; |
126 | 1861 calc_gradient_factor(); |
167 | 1862 } |
126 | 1863 |
167 | 1864 ////////////////////////////////////////////////////////////////////////////// |
1865 ////////////////////////////////////////////////////////////////////////////// | |
1866 ////////////////////////////////// deco_hash ///////////////////////////////// | |
1867 ////////////////////////////////////////////////////////////////////////////// | |
1868 ////////////////////////////////////////////////////////////////////////////// | |
126 | 1869 |
116 | 1870 void deco_hash(void) |
1871 { | |
167 | 1872 overlay unsigned char md_i, md_j; // Loop index. |
1873 overlay unsigned char md_t; | |
1874 overlay unsigned char md_buffer[16]; | |
1875 overlay unsigned char md_temp; | |
1876 overlay unsigned int md_pointer; | |
1877 | |
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1878 RESET_C_STACK |
126 | 1879 |
1880 // init | |
164 | 1881 for(md_i=0;md_i<16;md_i++) |
126 | 1882 { |
1883 md_state[md_i] = 0; | |
164 | 1884 char_O_hash[md_i] = 0; |
126 | 1885 } // for md_i 16 |
116 | 1886 |
126 | 1887 _asm |
167 | 1888 movlw 0x01 // md_pi address. |
1889 movwf TBLPTRU,0 | |
1890 movlw 0x7E | |
1891 movwf TBLPTRH,0 | |
1892 movlw 0x00 | |
1893 movwf TBLPTRL,0 | |
126 | 1894 _endasm; |
165 | 1895 md_i = 0; |
1896 do { | |
126 | 1897 _asm |
1898 TBLRDPOSTINC | |
1899 movff TABLAT,md_temp | |
1900 _endasm | |
165 | 1901 md_pi_subst[md_i++] = md_temp; |
1902 } while( md_i != 0 ); | |
1903 | |
126 | 1904 _asm |
167 | 1905 movlw 0x00 |
1906 movwf TBLPTRU,0 | |
1907 movlw 0x00 | |
1908 movwf TBLPTRH,0 | |
1909 movlw 0x00 | |
1910 movwf TBLPTRL,0 | |
126 | 1911 _endasm |
167 | 1912 |
126 | 1913 // cycle buffers |
1914 for (md_pointer=0x0000;md_pointer<0x17f3;md_pointer++) | |
1915 { | |
1916 md_t = 0; | |
1917 for (md_i=0;md_i<16;md_i++) | |
1918 { | |
1919 if(md_pointer == 9) | |
164 | 1920 md_temp = char_O_hash[md_i]; |
126 | 1921 else |
1922 { | |
1923 _asm | |
167 | 1924 TBLRDPOSTINC |
1925 movff TABLAT,md_temp | |
126 | 1926 _endasm |
1927 } // else | |
167 | 1928 |
1929 md_buffer[md_i] = md_temp; | |
126 | 1930 md_state[md_i+16] = md_buffer[md_i]; |
1931 md_state[md_i+32] = (unsigned char)(md_buffer[md_i] ^ md_state[md_i]); | |
1932 } // for md_i 16 | |
1933 | |
1934 for (md_i=0;md_i<18;md_i++) | |
1935 { | |
1936 for (md_j=0;md_j<48;md_j++) | |
1937 { | |
167 | 1938 md_state[md_j] ^= md_pi_subst[md_t]; |
126 | 1939 md_t = md_state[md_j]; |
1940 } // for md_j 48 | |
1941 md_t = (unsigned char)(md_t+1); | |
1942 } // for md_i 18 | |
164 | 1943 md_t = char_O_hash[15]; |
126 | 1944 |
1945 for (md_i=0;md_i<16;md_i++) | |
1946 { | |
167 | 1947 char_O_hash[md_i] ^= md_pi_subst[(md_buffer[md_i] ^ md_t)]; |
164 | 1948 md_t = char_O_hash[md_i]; |
126 | 1949 } // for md_i 16 |
1950 } // for md_pointer | |
116 | 1951 } // void deco_hash(void) |
1952 | |
167 | 1953 ////////////////////////////////////////////////////////////////////////////// |
1954 // deco_clear_CNS_fraction | |
1955 // | |
116 | 1956 // new in v.101 |
167 | 1957 // |
116 | 1958 void deco_clear_CNS_fraction(void) |
1959 { | |
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1960 RESET_C_STACK |
126 | 1961 CNS_fraction = 0.0; |
1962 char_O_CNS_fraction = 0; | |
167 | 1963 } |
116 | 1964 |
167 | 1965 ////////////////////////////////////////////////////////////////////////////// |
1966 // deco_calc_CNS_fraction | |
1967 // | |
116 | 1968 // new in v.101 |
1969 // optimized in v.102 : with new variables char_I_actual_ppO2 and actual_ppO2 | |
167 | 1970 // |
116 | 1971 // Input: char_I_actual_ppO2 |
1972 // Output: char_O_CNS_fraction | |
1973 // Uses and Updates: CNS_fraction | |
1974 // Uses: acutal_ppO2 | |
167 | 1975 // |
116 | 1976 void deco_calc_CNS_fraction(void) |
1977 { | |
167 | 1978 overlay float actual_ppO2; |
126 | 1979 RESET_C_STACK |
167 | 1980 |
126 | 1981 actual_ppO2 = (float)char_I_actual_ppO2 / 100.0; |
116 | 1982 |
126 | 1983 if (char_I_actual_ppO2 < 50) |
1984 CNS_fraction = CNS_fraction;// no changes | |
1985 else if (char_I_actual_ppO2 < 60) | |
1986 CNS_fraction = 1/(-54000.0 * actual_ppO2 + 54000.0) + CNS_fraction; | |
1987 else if (char_I_actual_ppO2 < 70) | |
1988 CNS_fraction = 1/(-45000.0 * actual_ppO2 + 48600.0) + CNS_fraction; | |
1989 else if (char_I_actual_ppO2 < 80) | |
1990 CNS_fraction = 1/(-36000.0 * actual_ppO2 + 42300.0) + CNS_fraction; | |
1991 else if (char_I_actual_ppO2 < 90) | |
1992 CNS_fraction = 1/(-27000.0 * actual_ppO2 + 35100.0) + CNS_fraction; | |
1993 else if (char_I_actual_ppO2 < 110) | |
1994 CNS_fraction = 1/(-18000.0 * actual_ppO2 + 27000.0) + CNS_fraction; | |
1995 else if (char_I_actual_ppO2 < 150) | |
1996 CNS_fraction = 1/(-9000.0 * actual_ppO2 + 17100.0) + CNS_fraction; | |
1997 else if (char_I_actual_ppO2 < 160) | |
1998 CNS_fraction = 1/(-22500.0 * actual_ppO2 + 37350.0) + CNS_fraction; | |
1999 else if (char_I_actual_ppO2 < 165) | |
2000 CNS_fraction = 0.000755 + CNS_fraction; // Arieli et all.(2002): Modeling pulmonary and CNS O2 toxicity... Formula (A1) based on value for 1.55 and c=20 | |
2001 else if (char_I_actual_ppO2 < 170) | |
2002 CNS_fraction = 0.00102 + CNS_fraction; // example calculation: Sqrt((1.7/1.55)^20)*0.000404 | |
2003 else if (char_I_actual_ppO2 < 175) | |
2004 CNS_fraction = 0.00136 + CNS_fraction; | |
2005 else if (char_I_actual_ppO2 < 180) | |
2006 CNS_fraction = 0.00180 + CNS_fraction; | |
2007 else if (char_I_actual_ppO2 < 185) | |
2008 CNS_fraction = 0.00237 + CNS_fraction; | |
2009 else if (char_I_actual_ppO2 < 190) | |
2010 CNS_fraction = 0.00310 + CNS_fraction; | |
2011 else if (char_I_actual_ppO2 < 195) | |
2012 CNS_fraction = 0.00401 + CNS_fraction; | |
2013 else if (char_I_actual_ppO2 < 200) | |
2014 CNS_fraction = 0.00517 + CNS_fraction; | |
2015 else if (char_I_actual_ppO2 < 230) | |
2016 CNS_fraction = 0.0209 + CNS_fraction; | |
2017 else | |
2018 CNS_fraction = 0.0482 + CNS_fraction; // value for 2.5 | |
116 | 2019 |
126 | 2020 if (CNS_fraction > 2.5) |
2021 CNS_fraction = 2.5; | |
2022 if (CNS_fraction < 0.0) | |
2023 CNS_fraction = 0.0; | |
2024 | |
2025 char_O_CNS_fraction = (char)((CNS_fraction + 0.005)* 100.0); | |
167 | 2026 } |
116 | 2027 |
167 | 2028 ////////////////////////////////////////////////////////////////////////////// |
2029 // deco_calc_CNS_decrease_15min | |
2030 // | |
116 | 2031 // new in v.101 |
167 | 2032 // |
116 | 2033 // calculates the half time of 90 minutes in 6 steps of 15 min |
167 | 2034 // |
116 | 2035 // Output: char_O_CNS_fraction |
2036 // Uses and Updates: CNS_fraction | |
167 | 2037 // |
116 | 2038 void deco_calc_CNS_decrease_15min(void) |
2039 { | |
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2040 RESET_C_STACK |
126 | 2041 CNS_fraction = 0.890899 * CNS_fraction; |
167 | 2042 char_O_CNS_fraction = (char)(CNS_fraction * 100.0 + 0.5); |
2043 } | |
116 | 2044 |
167 | 2045 ////////////////////////////////////////////////////////////////////////////// |
2046 // deco_calc_percentage | |
2047 // | |
116 | 2048 // new in v.101 |
167 | 2049 // |
116 | 2050 // calculates int_I_temp * char_I_temp / 100 |
2051 // output is int_I_temp | |
2052 | |
2053 void deco_calc_percentage(void) | |
2054 { | |
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2055 RESET_C_STACK |
126 | 2056 temp1 = (float)int_I_temp; |
2057 temp2 = (float)char_I_temp / 100.0; | |
2058 temp3 = temp1 * temp2; | |
2059 int_I_temp = (int)temp3; | |
116 | 2060 } |
2061 | |
167 | 2062 ////////////////////////////////////////////////////////////////////////////// |
2063 | |
116 | 2064 void deco_push_tissues_to_vault(void) |
2065 { | |
167 | 2066 overlay unsigned char x; |
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2067 RESET_C_STACK |
167 | 2068 |
116 | 2069 cns_vault = CNS_fraction; |
167 | 2070 for (x=0;x<32;x++) |
2071 pres_tissue_vault[x] = pres_tissue[x]; | |
116 | 2072 } |
167 | 2073 |
116 | 2074 void deco_pull_tissues_from_vault(void) |
2075 { | |
167 | 2076 overlay unsigned char x; |
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2077 RESET_C_STACK |
167 | 2078 |
116 | 2079 CNS_fraction = cns_vault; |
167 | 2080 for (x=0;x<32;x++) |
2081 pres_tissue[x] = pres_tissue_vault[x]; | |
116 | 2082 } |
2083 | |
167 | 2084 ////////////////////////////////////////////////////////////////////////////// |
2085 // | |
164 | 2086 void main() {} |