Mercurial > public > mk2
annotate code_part1/OSTC_code_c_part2/p2_deco.c @ 165:8b5b848db4cd
+ Clean Buhlmann tables addressing
+ OSTC 1.80 uses ZH-L16a coefficient, version 1995 (?), with compartiment 1a.
| author | JeanDo |
|---|---|
| date | Fri, 21 Jan 2011 01:44:38 +0100 |
| parents | 999abb01c78f |
| children | cb055a7d75f3 |
| rev | line source |
|---|---|
| 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. |
| 116 | 67 // |
| 68 // | |
| 69 // literature: | |
| 70 // B"uhlmann, Albert: Tauchmedizin; 4. Auflage; | |
| 71 // 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 | |
| 72 // Morrison, Stuart; 2000; DIY DECOMPRESSION; http://www.lizardland.co.uk/DIYDeco.html | |
| 73 // Balthasar, Steffen; Dekompressionstheorie I: Neo Haldane Modelle; http://www.txfreak.de/dekompressionstheorie_1.pdf | |
| 74 // Baker, Erik C.; Clearing Up The Confusion About "Deep Stops" | |
| 75 // Baker, Erik C.; Understanding M-values; http://www.txfreak.de/understanding_m-values.pdf | |
| 76 | |
| 77 | |
| 78 // ********************* | |
| 79 // ** I N C L U D E S ** | |
| 80 // ********************* | |
| 81 #include <math.h> | |
| 82 | |
| 83 #include "p2_definitions.h" | |
| 84 | |
| 85 // *********************************************** | |
| 86 // ** V A R I A B L E S D E F I N I T I O N S ** | |
| 87 // *********************************************** | |
| 88 | |
| 163 | 89 #include "../OSTC_code_c_part2/shared_definitions.h" |
| 116 | 90 |
| 163 | 91 //---- Bank 3 parameters ----------------------------------------------------- |
| 92 #pragma udata bank4=0x400 | |
| 116 | 93 |
| 94 static unsigned char lock_GF_depth_list; | |
| 95 static float temp_limit; | |
| 96 static float GF_low; | |
| 97 static float GF_high; | |
| 98 static float GF_delta; | |
| 99 static float GF_temp; | |
| 100 static float GF_step; | |
| 101 static float GF_step2; | |
| 102 static float temp_pres_gtissue; | |
| 103 static float temp_pres_gtissue_diff; | |
| 104 static float temp_pres_gtissue_limit_GF_low; | |
| 105 static float temp_pres_gtissue_limit_GF_low_below_surface; | |
| 106 static unsigned int temp_depth_limit; | |
| 107 static unsigned char temp_decotime; | |
| 108 static unsigned char temp_gtissue_no; | |
| 109 static unsigned int temp_depth_last_deco; // new in v.101 | |
| 110 | |
| 111 static unsigned char temp_depth_GF_low_meter; | |
| 112 static unsigned char temp_depth_GF_low_number; | |
| 113 static unsigned char internal_deco_pointer; | |
| 114 | |
| 115 static unsigned char internal_deco_table[32]; // 0x2C8 | |
| 116 static float temp_pres_deco_GF_low; | |
| 117 | |
| 118 static char output[32]; // used by the math routines | |
| 119 | |
| 120 static float cns_vault; | |
| 121 | |
| 122 static float pres_tissue_vault[32]; | |
| 123 | |
| 163 | 124 //---- Bank 5 parameters ----------------------------------------------------- |
| 125 #pragma udata bank5=0x500 | |
| 126 | |
| 116 | 127 static unsigned char ci ; // don't move - used in _asm routines - if moved then modify movlb commands |
| 128 static unsigned char x; | |
| 129 static unsigned int main_i_dummy; | |
| 130 static unsigned int int_temp; | |
| 131 static unsigned int int_temp2; | |
| 132 static unsigned int int_temp_decostatus; | |
| 133 static float pres_respiration; | |
| 134 static float pres_surface; | |
| 135 static float temp1; | |
| 136 static float temp2; | |
| 137 static float temp3; | |
| 138 static float temp4; | |
| 139 static float temp_deco; | |
| 140 static float temp_atem; | |
| 141 static float temp2_atem; | |
| 142 static float temp_tissue; | |
| 143 static float temp_surface; | |
| 144 static float N2_ratio; | |
| 145 static float He_ratio; | |
| 146 static float temp_ratio; | |
| 165 | 147 static float var_N2_a; |
| 148 static float var_N2_b; | |
| 149 static float var_He_a; | |
| 150 static float var_He_b; | |
| 151 static float var_N2_e; | |
| 152 static float var_He_e; | |
| 153 static float var_N2_halftime; | |
| 154 static float var_He_halftime; | |
| 116 | 155 static float pres_gtissue_limit; |
| 156 static float temp_pres_gtissue_limit; | |
| 164 | 157 static float actual_ppO2; // new in v.102 |
| 116 | 158 |
| 164 | 159 static float pres_diluent; // new in v.101 |
| 160 static float deco_diluent; // new in v.101 | |
| 161 static float const_ppO2; // new in v.101 | |
| 162 static float deco_ppO2_change; // new in v.101 | |
| 163 static float deco_ppO2; // new in v.101 | |
| 116 | 164 |
| 163 | 165 //---- Bank 6 parameters ----------------------------------------------------- |
| 166 #pragma udata bank6=0x600 | |
| 116 | 167 |
| 164 | 168 static float pres_tissue[32]; |
| 116 | 169 static float pres_tissue_limit[16]; |
| 170 static float sim_pres_tissue_limit[16]; | |
| 171 | |
| 163 | 172 //---- Bank 7 parameters ----------------------------------------------------- |
| 173 #pragma udata bank7=0x700 | |
| 174 | |
| 175 static float sim_pres_tissue[32]; // 32 floats = 128 bytes. | |
| 116 | 176 static float sim_pres_tissue_backup[32]; |
| 177 | |
| 163 | 178 //---- Bank 8 parameters ----------------------------------------------------- |
| 116 | 179 #pragma udata bank8=0x800 |
| 163 | 180 |
| 116 | 181 static char md_pi_subst[256]; |
|
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182 #define C_STACK md_pi_subst // Overlay C-code data stack here, too. |
| 116 | 183 |
| 163 | 184 //---- Bank 9 parameters ----------------------------------------------------- |
| 116 | 185 #pragma udata bank9a=0x900 |
| 186 | |
| 163 | 187 static char md_state[48]; // DONT MOVE !! // has to be at the beginning of bank 9 for the asm code!!! |
| 116 | 188 |
| 164 | 189 static char md_t; |
| 190 static char md_buffer[16]; | |
| 191 static unsigned char md_i; | |
| 192 static char md_j; | |
| 193 static char md_temp; | |
| 194 static unsigned int md_pointer; | |
| 195 static float deco_N2_ratio; // new in v.101 | |
| 196 static float deco_He_ratio; // new in v.101 | |
| 197 static float calc_N2_ratio; // new in v.101 | |
| 198 static float calc_He_ratio; // new in v.101 | |
| 199 static float deco_gas_change; // new in v.101 | |
| 200 static float CNS_fraction; // new in v.101 | |
| 201 static float float_saturation_multiplier; // new in v.101 | |
| 202 static float float_desaturation_multiplier; // new in v.101 | |
| 203 static float float_deco_distance; // new in v.101 | |
| 116 | 204 |
| 164 | 205 // internal, dbg: |
| 206 static unsigned char DBG_char_I_deco_model; // new in v.108 | |
| 207 static unsigned char DBG_char_I_depth_last_deco; // new in v.108 | |
| 208 static float DBG_pres_surface; // new in v.108 | |
| 209 static float DBG_GF_low; // new in v.108 | |
| 210 static float DBG_GF_high; // new in v.108 | |
| 211 static float DBG_const_ppO2; // new in v.108 | |
| 212 static float DBG_deco_ppO2_change; // new in v.108 | |
| 213 static float DBG_deco_ppO2; // new in v.108 | |
| 214 static float DBG_deco_N2_ratio; // new in v.108 | |
| 215 static float DBG_deco_He_ratio; // new in v.108 | |
| 216 static float DBG_deco_gas_change; // new in v.108 | |
| 217 static float DBG_float_saturation_multiplier; // new in v.108 | |
| 218 static float DBG_float_desaturation_multiplier; // new in v.108 | |
| 219 static float DBG_float_deco_distance; // new in v.108 | |
| 220 static float DBG_deco_N2_ratio; // new in v.108 | |
| 221 static float DBG_deco_He_ratio; // new in v.108 | |
| 222 static float DBG_N2_ratio; // new in v.108 | |
| 223 static float DBG_He_ratio; // new in v.108 | |
| 224 static char flag_in_divemode; // new in v.108 | |
| 225 static int int_dbg_i; // new in v.108 | |
| 226 static unsigned int temp_DBS; | |
| 116 | 227 |
| 164 | 228 static float deco_gas_change2; // new in v.109 |
| 229 static float deco_gas_change3; // new in v.109 | |
| 230 static float deco_gas_change4; // new in v.109 | |
| 231 static float deco_gas_change5; // new in v.109 | |
| 232 | |
| 233 static float deco_N2_ratio2; // new in v.109 | |
| 234 static float deco_N2_ratio3; // new in v.109 | |
| 235 static float deco_N2_ratio4; // new in v.109 | |
| 236 static float deco_N2_ratio5; // new in v.109 | |
| 237 static float deco_He_ratio2; // new in v.109 | |
| 238 static float deco_He_ratio3; // new in v.109 | |
| 239 static float deco_He_ratio4; // new in v.109 | |
| 240 static float deco_He_ratio5; // new in v.109 | |
| 116 | 241 |
| 242 // *********************** | |
| 243 // *********************** | |
| 244 // ** THE LOOKUP TABLES ** | |
| 245 // *********************** | |
| 246 // *********************** | |
| 247 | |
| 165 | 248 #pragma romdata buhlmann_tables = 0x010200 // Needs to be in UPPER bank. |
| 249 #include "p2_tables.romdata" // new table for deco_main_v.101 (var_N2_a modified) | |
| 116 | 250 |
| 165 | 251 #pragma romdata hash_tables = 0x010600 // Address fixed by ASM access... |
| 116 | 252 rom const rom unsigned int md_pi[] = |
| 253 { | |
| 254 0x292E, 0x43C9, 0xA2D8, 0x7C01, 0x3D36, 0x54A1, 0xECF0, 0x0613 | |
| 255 , 0x62A7, 0x05F3, 0xC0C7, 0x738C, 0x9893, 0x2BD9, 0xBC4C, 0x82CA | |
| 256 , 0x1E9B, 0x573C, 0xFDD4, 0xE016, 0x6742, 0x6F18, 0x8A17, 0xE512 | |
| 257 , 0xBE4E, 0xC4D6, 0xDA9E, 0xDE49, 0xA0FB, 0xF58E, 0xBB2F, 0xEE7A | |
| 258 , 0xA968, 0x7991, 0x15B2, 0x073F, 0x94C2, 0x1089, 0x0B22, 0x5F21 | |
| 259 , 0x807F, 0x5D9A, 0x5A90, 0x3227, 0x353E, 0xCCE7, 0xBFF7, 0x9703 | |
| 260 , 0xFF19, 0x30B3, 0x48A5, 0xB5D1, 0xD75E, 0x922A, 0xAC56, 0xAAC6 | |
| 261 , 0x4FB8, 0x38D2, 0x96A4, 0x7DB6, 0x76FC, 0x6BE2, 0x9C74, 0x04F1 | |
| 262 , 0x459D, 0x7059, 0x6471, 0x8720, 0x865B, 0xCF65, 0xE62D, 0xA802 | |
| 263 , 0x1B60, 0x25AD, 0xAEB0, 0xB9F6, 0x1C46, 0x6169, 0x3440, 0x7E0F | |
| 264 , 0x5547, 0xA323, 0xDD51, 0xAF3A, 0xC35C, 0xF9CE, 0xBAC5, 0xEA26 | |
| 265 , 0x2C53, 0x0D6E, 0x8528, 0x8409, 0xD3DF, 0xCDF4, 0x4181, 0x4D52 | |
| 266 , 0x6ADC, 0x37C8, 0x6CC1, 0xABFA, 0x24E1, 0x7B08, 0x0CBD, 0xB14A | |
| 267 , 0x7888, 0x958B, 0xE363, 0xE86D, 0xE9CB, 0xD5FE, 0x3B00, 0x1D39 | |
| 268 , 0xF2EF, 0xB70E, 0x6658, 0xD0E4, 0xA677, 0x72F8, 0xEB75, 0x4B0A | |
| 269 , 0x3144, 0x50B4, 0x8FED, 0x1F1A, 0xDB99, 0x8D33, 0x9F11, 0x8314 | |
| 270 }; | |
| 271 | |
| 272 // ********************* | |
| 273 // ********************* | |
| 274 // ** THE SUBROUTINES ** | |
| 275 // ********************* | |
| 276 // ********************* | |
| 277 // all new in v.102 | |
| 278 // moved from 0x0D000 to 0x0C000 in v.108 | |
| 279 | |
| 280 #pragma code p2_deco = 0x0C000 | |
| 281 | |
| 282 // ------------------------------- | |
| 283 // DBS - debug on start of dive // | |
| 284 // ------------------------------- | |
| 285 void create_dbs_set_dbg_and_ndl20mtr(void) | |
| 286 { | |
| 287 int_O_DBS_bitfield = 0; | |
| 288 int_O_DBS2_bitfield = 0; | |
| 289 if(int_O_DBG_pre_bitfield & DBG_RUN) | |
| 290 int_O_DBG_pre_bitfield = DBG_RESTART; | |
| 291 else | |
| 292 int_O_DBG_pre_bitfield = DBG_RUN; | |
| 293 int_O_DBG_post_bitfield = 0; | |
| 294 char_O_NDL_at_20mtr = 255; | |
| 295 | |
| 296 DBG_N2_ratio = N2_ratio; | |
| 297 DBG_He_ratio = He_ratio; | |
| 298 DBG_char_I_deco_model = char_I_deco_model; | |
| 299 DBG_char_I_depth_last_deco = char_I_depth_last_deco; | |
| 300 DBG_pres_surface = pres_surface; | |
| 301 DBG_GF_low = GF_low; | |
| 302 DBG_GF_high = GF_high; | |
| 303 DBG_const_ppO2 = const_ppO2; | |
| 304 DBG_deco_ppO2_change = deco_ppO2_change; | |
| 305 DBG_deco_ppO2 = deco_ppO2; | |
| 306 DBG_deco_N2_ratio = deco_N2_ratio; | |
| 307 DBG_deco_He_ratio = deco_He_ratio; | |
| 308 DBG_deco_gas_change = deco_gas_change; | |
| 309 DBG_float_saturation_multiplier = float_saturation_multiplier; | |
| 310 DBG_float_desaturation_multiplier = float_desaturation_multiplier; | |
| 311 DBG_float_deco_distance = float_deco_distance; | |
| 312 | |
| 313 if(char_I_deco_model) | |
| 314 int_O_DBS_bitfield |= DBS_mode; | |
| 315 if(const_ppO2) | |
| 316 int_O_DBS_bitfield |= DBS_ppO2; | |
| 317 for(int_dbg_i = 16; int_dbg_i < 32; int_dbg_i++) | |
| 318 if(pres_tissue[int_dbg_i]) | |
| 319 int_O_DBS_bitfield |= DBS_HE_sat; | |
| 320 if(deco_ppO2_change) | |
| 321 int_O_DBS_bitfield |= DBS_ppO2chg; | |
| 322 if(float_saturation_multiplier < 0.99) | |
| 323 int_O_DBS_bitfield |= DBS_SAT2l; | |
| 324 if(float_saturation_multiplier > 1.3) | |
| 325 int_O_DBS_bitfield |= DBS_SAT2h; | |
| 326 if(GF_low < 0.19) | |
| 327 int_O_DBS_bitfield |= DBS_GFLOW2l; | |
| 328 if(GF_low > 1.01) | |
| 329 int_O_DBS_bitfield |= DBS_GFLOW2h; | |
| 330 if(GF_high < 0.6) | |
| 331 int_O_DBS_bitfield |= DBS_GFHGH2l; | |
| 332 if(GF_high > 1.01) | |
| 333 int_O_DBS_bitfield |= DBS_GFHGH2h; | |
| 334 if((N2_ratio + He_ratio) > 0.95) | |
| 335 int_O_DBS_bitfield |= DBS_GASO22l; | |
| 336 if((N2_ratio + He_ratio) < 0.05) | |
| 337 int_O_DBS_bitfield |= DBS_GASO22h; | |
| 338 if(float_deco_distance > 0.25) | |
| 339 int_O_DBS_bitfield |= DBS_DIST2h; | |
| 340 if(char_I_depth_last_deco > 8) | |
| 341 int_O_DBS_bitfield |= DBS_LAST2h; | |
| 342 if(DBG_deco_gas_change && ((deco_N2_ratio + deco_He_ratio) > 0.95)) | |
| 343 int_O_DBS_bitfield |= DBS_DECOO2l; | |
| 344 if(DBG_deco_gas_change && ((deco_N2_ratio + deco_He_ratio) < 0.05)) | |
| 345 int_O_DBS_bitfield |= DBS_DECOO2h; | |
| 346 if(pres_respiration > 3.0) | |
| 347 int_O_DBS2_bitfield |= DBS2_PRES2h; | |
| 348 if(pres_surface - pres_respiration > 0.2) | |
| 349 int_O_DBS2_bitfield |= DBS2_PRES2l; | |
| 350 if(pres_surface < 0.75) | |
| 351 int_O_DBS2_bitfield |= DBS2_SURF2l; | |
| 352 if(pres_surface > 1.11) | |
| 353 int_O_DBS2_bitfield |= DBS2_SURF2h; | |
| 354 if(float_desaturation_multiplier < 0.70) | |
| 355 int_O_DBS2_bitfield |= DBS2_DESAT2l; | |
| 356 if(float_desaturation_multiplier > 1.01) | |
| 357 int_O_DBS2_bitfield |= DBS2_DESAT2h; | |
| 358 if(GF_low > GF_high) | |
| 359 int_O_DBS2_bitfield |= DBS2_GFDneg; | |
| 360 } | |
| 361 | |
| 362 // ------------------------------- | |
| 363 // DBG - set DBG to end_of_dive // | |
| 364 // ------------------------------- | |
| 365 void set_dbg_end_of_dive(void) | |
| 366 { | |
| 367 int_O_DBG_pre_bitfield &= (~DBG_RUN); | |
| 368 int_O_DBG_post_bitfield &= (~DBG_RUN); | |
| 369 } | |
| 370 | |
| 371 // ------------------------------- | |
| 372 // DBG - NDL at first 20 m. hit // | |
| 373 // ------------------------------- | |
| 374 void check_ndl(void) | |
| 375 { | |
| 376 if((char_O_NDL_at_20mtr == -1) && (int_I_pres_respiration > 3000)) | |
| 377 { | |
| 378 char_O_NDL_at_20mtr = char_O_nullzeit; | |
| 379 if(char_O_NDL_at_20mtr == 255) | |
| 380 char_O_NDL_at_20mtr == 254; | |
| 381 } | |
| 382 } | |
| 383 | |
| 384 // ------------------------------- | |
| 385 // DBG - multi main during dive // | |
| 386 // ------------------------------- | |
|
122
3003a8040b78
FIX again reset C data stack and frame pointer when entering C code.
JeanDo
parents:
116
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changeset
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387 void check_dbg(static char is_post_check) |
| 116 | 388 { |
| 389 temp_DBS = 0; | |
| 390 if( (DBG_N2_ratio != N2_ratio) || (DBG_He_ratio != He_ratio) ) | |
| 391 temp_DBS |= DBG_c_gas; | |
| 392 if(DBG_const_ppO2 != const_ppO2) | |
| 393 temp_DBS |= DBG_c_ppO2; | |
| 394 if((DBG_float_saturation_multiplier != float_saturation_multiplier) || (DBG_float_desaturation_multiplier != float_desaturation_multiplier)) | |
| 395 temp_DBS |= DBG_CdeSAT; | |
| 396 if(DBG_char_I_deco_model != char_I_deco_model) | |
| 397 temp_DBS |= DBG_C_MODE; | |
| 398 if(DBG_pres_surface != pres_surface) | |
| 399 temp_DBS |= DBG_C_SURF; | |
| 400 if((!DBS_HE_sat) && (!He_ratio)) | |
| 401 for(int_dbg_i = 16; int_dbg_i < 32; int_dbg_i++) | |
| 402 if(pres_tissue[int_dbg_i]) | |
| 403 temp_DBS |= DBG_HEwoHE; | |
| 404 if(DBG_deco_ppO2 != deco_ppO2) | |
| 405 temp_DBS |= DBG_C_DPPO2; | |
| 406 if((DBG_deco_gas_change != deco_gas_change) || (DBG_deco_N2_ratio != deco_N2_ratio) || (DBG_deco_He_ratio != deco_He_ratio)) | |
| 407 temp_DBS |= DBG_C_DGAS; | |
| 408 if(DBG_float_deco_distance != float_deco_distance) | |
| 409 temp_DBS |= DBG_C_DIST; | |
| 410 if(DBG_char_I_depth_last_deco != char_I_depth_last_deco) | |
| 411 temp_DBS |= DBG_C_LAST; | |
| 412 if((DBG_GF_low != GF_low) || (DBG_GF_high != GF_high)) | |
| 413 temp_DBS |= DBG_C_GF; | |
| 414 if(pres_respiration > 13.0) | |
| 415 temp_DBS |= DBG_PHIGH; | |
| 416 if(pres_surface - pres_respiration > 0.2) | |
| 417 temp_DBS |= DBG_PLOW; | |
| 418 if(is_post_check) | |
| 419 int_O_DBG_post_bitfield |= temp_DBS; | |
| 420 else | |
| 421 int_O_DBG_pre_bitfield |= temp_DBS; | |
| 422 } | |
| 423 | |
| 424 // ------------------------------- | |
| 425 // DBG - prior to calc. of dive // | |
| 426 // ------------------------------- | |
| 427 void check_pre_dbg(void) | |
| 428 { | |
| 429 check_dbg(0); | |
| 430 } | |
| 431 | |
| 432 // ------------------------------- | |
| 433 // DBG - after decocalc of dive // | |
| 434 // ------------------------------- | |
| 435 void check_post_dbg(void) | |
| 436 { | |
| 437 check_dbg(1); | |
| 438 } | |
| 439 | |
| 165 | 440 ////////////////////////////////////////////////////////////////////////////// |
| 441 // read buhlmann tables for compatriment ci | |
| 442 // If mode == 0 : 2sec interval | |
| 443 // 1 : 1 min interval | |
| 444 // 2 : 10 min interval. | |
| 445 // TODO: an assembleur version of the table reads... | |
| 446 static void read_buhlmann_compartment(static char mode) | |
| 447 { | |
| 448 var_N2_a = buhlmann_a[ci]; | |
| 449 var_N2_b = buhlmann_b[ci]; | |
| 450 var_He_a = buhlmann_a[ci + 16]; | |
| 451 var_He_b = buhlmann_b[ci + 16]; | |
| 452 // Check reading consistency: | |
| 453 if( (var_N2_a < 0.231) | |
| 454 || (var_N2_a > 1.27) | |
| 455 || (var_N2_b < 0.504) | |
| 456 || (var_N2_b > 0.966) | |
| 457 || (var_He_a < 0.510) | |
| 458 || (var_He_a > 1.75) | |
| 459 || (var_He_b < 0.423) | |
| 460 || (var_He_b > 0.927) | |
| 461 ) | |
| 462 int_O_DBG_pre_bitfield |= DBG_ZH16ERR; | |
| 463 | |
| 464 // Integration intervals. | |
| 465 switch(mode) | |
| 466 { | |
| 467 case 0: //---- 2 sec ----------------------------------------------------- | |
| 468 var_N2_e = e2secs[ci]; | |
| 469 var_He_e = e2secs[ci + 16]; | |
| 470 | |
| 471 // Check reading consistency: | |
| 472 if( (var_N2_e < 0.0000363) | |
| 473 || (var_N2_e > 0.00577) | |
| 474 || (var_He_e < 0.0000961) | |
| 475 || (var_He_e > 0.150) | |
| 476 ) | |
| 477 int_O_DBG_pre_bitfield |= DBG_ZH16ERR; | |
| 478 | |
| 479 break; | |
| 480 | |
| 481 case 1: //---- 1 min ----------------------------------------------------- | |
| 482 var_N2_e = e1min[ci]; | |
| 483 var_He_e = e1min[ci + 16]; | |
| 484 | |
| 485 // Check reading consistency: | |
| 486 if( (var_N2_e < 1.09E-3) | |
| 487 || (var_N2_e > 0.1592) | |
| 488 || (var_He_e < 0.00288) | |
| 489 || (var_He_e > 0.3682) | |
| 490 ) | |
| 491 int_O_DBG_pre_bitfield |= DBG_ZH16ERR; | |
| 492 | |
| 493 break; | |
| 494 | |
| 495 case 2: //---- 10 min ---------------------------------------------------- | |
| 496 var_N2_e = e10min[ci]; | |
| 497 var_He_e = e10min[ci + 16]; | |
| 498 | |
| 499 // Check reading consistency: | |
| 500 if( (var_N2_e < 0.01085) | |
| 501 || (var_N2_e > 0.82323) | |
| 502 || (var_He_e < 0.02846) | |
| 503 || (var_He_e > 0.98986) | |
| 504 ) | |
| 505 int_O_DBG_pre_bitfield |= DBG_ZH16ERR; | |
| 506 | |
| 507 break; | |
| 508 } | |
| 509 } | |
| 510 | |
| 511 ////////////////////////////////////////////////////////////////////////////// | |
| 116 | 512 // calc_next_decodepth_GF // |
| 165 | 513 // |
| 116 | 514 // new in v.102 |
| 165 | 515 // |
| 116 | 516 void calc_nextdecodepth_GF(void) |
| 517 { | |
| 518 // INPUT, changing during dive: | |
| 519 // temp_pres_gtissue_limit_GF_low | |
| 520 // temp_pres_gtissue_limit_GF_low_below_surface | |
| 521 // temp_pres_gtissue | |
| 522 // temp_pres_gtissue_diff | |
| 523 // lock_GF_depth_list | |
| 524 | |
| 525 // INPUT, fixed during dive: | |
| 526 // pres_surface | |
| 527 // GF_delta | |
| 528 // GF_high | |
| 529 // GF_low | |
| 530 // temp_depth_last_deco | |
| 531 // float_deco_distance | |
| 532 | |
| 533 // OUTPUT | |
| 534 // GF_step | |
| 535 // temp_deco | |
| 536 // temp_depth_limt | |
| 537 // lock_GF_depth_list | |
| 538 | |
| 539 // USES | |
| 540 // temp1 | |
| 541 // temp2 | |
| 542 // int_temp | |
| 543 | |
| 544 char_I_table_deco_done[0] = 0; // safety if changed somewhere else. Needed for exit | |
| 545 if (char_I_deco_model == 1) | |
| 546 { | |
| 547 if (lock_GF_depth_list == 0) | |
| 548 { | |
| 549 temp2 = temp_pres_gtissue_limit_GF_low_below_surface / 0.29985; // = ... / 99.95 / 0.003; | |
| 550 int_temp = (int) (temp2 + 0.99); | |
| 551 if (int_temp > 31) | |
| 552 int_temp = 31; // deepest deco at 93 meter (31 deco stops) | |
| 553 if (int_temp < 0) | |
| 554 int_temp = 0; | |
| 555 temp_depth_GF_low_number = int_temp; | |
| 556 temp_depth_GF_low_meter = 3 * temp_depth_GF_low_number; | |
| 557 temp2 = (float)temp_depth_GF_low_meter * 0.09995; | |
| 558 temp_pres_deco_GF_low = temp2 + float_deco_distance + pres_surface; | |
| 559 if (temp_depth_GF_low_number == 0) | |
| 560 GF_step = 0; | |
| 561 else | |
| 562 GF_step = GF_delta / (float)temp_depth_GF_low_number; | |
| 563 if (GF_step < 0) | |
| 564 GF_step = 0; | |
| 565 if (GF_step > GF_delta) | |
| 566 GF_step = GF_delta; | |
| 567 int_O_GF_step = (int)(GF_step * 10000); | |
| 568 int_O_limit_GF_low = (int)(temp_pres_deco_GF_low * 1000); | |
| 569 int_O_gtissue_press_at_GF_low = (int)(temp_pres_gtissue * 1000); | |
| 570 char_O_GF_low_pointer = temp_depth_GF_low_number; | |
| 571 lock_GF_depth_list = 1; | |
| 572 internal_deco_pointer = 0; | |
| 573 } | |
| 574 if (internal_deco_pointer == 0) // new run | |
| 575 { | |
| 576 internal_deco_pointer = temp_depth_GF_low_number; | |
| 577 GF_temp = GF_high - ((float)internal_deco_pointer * GF_step); | |
| 578 int_temp = char_I_table_deco_done[internal_deco_pointer]; | |
| 579 output[8] = int_temp; | |
| 580 output[9] = 33; | |
| 581 } | |
| 582 else | |
| 583 { | |
| 584 int_temp = 1; | |
| 585 } | |
| 586 while (int_temp == 1) | |
| 587 { | |
| 588 int_temp = internal_deco_pointer - 1; | |
| 589 if (int_temp == 1) // new in v104 | |
| 590 { | |
| 591 temp2 = (float)(temp_depth_last_deco * int_temp) * 0.09995; | |
| 592 GF_step2 = GF_step/3.0 * ((float)(6 - temp_depth_last_deco)); | |
| 593 } | |
| 594 else | |
| 595 if (int_temp == 0) | |
| 596 { | |
| 597 temp2 = 0.0; | |
| 598 GF_step2 = GF_high - GF_temp; | |
| 599 } | |
| 600 else | |
| 601 { | |
| 602 temp2 = (float)(3 *int_temp) * 0.09995; | |
| 603 GF_step2 = GF_step; | |
| 604 } | |
| 605 temp2 = temp2 + pres_surface; // next deco stop to be tested | |
| 606 temp1 = ((GF_temp + GF_step2)* temp_pres_gtissue_diff) + temp_pres_gtissue; // upper limit (lowest pressure allowed) // changes GF_step2 in v104 | |
| 607 if (temp1 > temp2) // check if ascent to next deco stop is ok | |
| 608 { | |
| 609 int_temp = 0; // no | |
| 610 } | |
| 611 else | |
| 612 { | |
| 613 internal_deco_pointer = int_temp; | |
| 614 GF_temp = GF_temp + GF_step2; // changed in v104 | |
| 615 int_temp = char_I_table_deco_done[internal_deco_pointer]; // yes and check for ascent to even next stop if deco_done is set | |
| 616 } | |
| 617 } // while | |
| 618 if (internal_deco_pointer > 0) | |
| 619 { | |
| 620 temp2 = (float)(0.29985 * internal_deco_pointer); | |
| 621 temp_deco = temp2 + float_deco_distance + pres_surface; | |
| 622 if (internal_deco_pointer == 1) // new in v104 | |
| 623 temp_depth_limit = temp_depth_last_deco; | |
| 624 else | |
| 625 temp_depth_limit = 3 * internal_deco_pointer; | |
| 626 if (output[9] == 33) | |
| 627 { | |
| 628 output[9] = internal_deco_pointer; | |
| 629 output[10] = char_I_table_deco_done[internal_deco_pointer]; | |
| 630 output[12] = output[12] + 1; | |
| 631 if (output[12] == 100) | |
| 632 output[12] = 0; | |
| 633 } | |
| 634 } | |
| 635 else // if (char_I_deco_model == 1) | |
| 636 { | |
| 637 temp_deco = pres_surface; | |
| 638 temp_depth_limit = 0; | |
| 639 } | |
| 640 } | |
| 641 else | |
| 642 { | |
| 643 // calc_nextdecodepth - original | |
| 644 // optimized in v.101 | |
| 645 // depth_last_deco included in v.101 | |
| 646 | |
| 647 temp1 = temp_pres_gtissue_limit - pres_surface; | |
| 648 if (temp1 >= 0) | |
| 649 { | |
| 650 temp1 = temp1 / 0.29985; // = temp1 / 99.95 / 0.003; | |
| 651 temp_depth_limit = (int) (temp1 + 0.99); | |
| 652 temp_depth_limit = 3 * temp_depth_limit; // depth for deco [m] | |
| 653 if (temp_depth_limit == 0) | |
| 654 temp_deco = pres_surface; | |
| 655 else | |
| 656 { | |
| 657 if (temp_depth_limit < temp_depth_last_deco) | |
| 658 temp_depth_limit = temp_depth_last_deco; | |
| 659 temp1 = (float)temp_depth_limit * 0.09995; | |
| 660 temp_deco = temp1 + float_deco_distance + pres_surface; // depth for deco [bar] | |
| 661 } // if (temp_depth_limit == 0) | |
| 662 } // if (temp1 >= 0) | |
| 663 else | |
| 664 { | |
| 665 temp_deco = pres_surface; | |
| 666 temp_depth_limit = 0; | |
| 667 } // if (temp1 >= 0) | |
| 668 } // calc_nextdecodepth original | |
| 669 } // calc_nextdecodepth_GF | |
| 670 | |
| 671 | |
| 672 // --------------------- | |
| 673 // copy_deco_table_GF // | |
| 674 // --------------------- | |
| 675 // new in v.102 | |
| 676 void copy_deco_table_GF(void) | |
| 677 { | |
| 678 if (char_I_deco_model == 1) | |
| 679 { | |
| 126 | 680 for (ci=0;ci<32;ci++) |
| 116 | 681 char_O_deco_table[ci] = internal_deco_table[ci]; |
| 682 } | |
| 683 } // copy_deco_table_GF | |
| 684 | |
| 685 | |
| 686 // ------------------------------ | |
| 687 // clear_internal_deco_table_GF// | |
| 688 // ------------------------------ | |
| 689 // new in v.102 | |
| 690 void clear_internal_deco_table_GF(void) | |
| 691 { | |
| 692 if (char_I_deco_model == 1) | |
| 693 { | |
| 694 for (ci=0;ci<32;ci++) // cycle through the 16 b"uhlmann tissues for Helium | |
| 695 { | |
| 696 internal_deco_table[ci] = 0; | |
| 697 } | |
| 698 } | |
| 699 } // clear_internal_deco_table_GF | |
| 700 | |
| 701 | |
| 702 // -------------------------------- | |
| 703 // update_internal_deco_table_GF // | |
| 704 // -------------------------------- | |
| 705 // new in v.102 | |
| 706 void update_internal_deco_table_GF(void) | |
| 707 { | |
| 708 if ((char_I_deco_model == 1) && (internal_deco_table[internal_deco_pointer] < 255)) | |
| 709 internal_deco_table[internal_deco_pointer] = internal_deco_table[internal_deco_pointer] + 1; | |
| 710 } // update_internal_deco_table_GF | |
| 711 | |
| 712 | |
| 713 // --------------------- | |
| 714 // temp_tissue_safety // | |
| 715 // --------------------- | |
| 716 // outsourced in v.102 | |
| 717 void temp_tissue_safety(void) | |
| 718 { | |
| 126 | 719 if (char_I_deco_model != 1) |
| 116 | 720 { |
| 721 if (temp_tissue < 0.0) | |
| 126 | 722 temp_tissue *= float_desaturation_multiplier; |
| 116 | 723 else |
| 126 | 724 temp_tissue *= float_saturation_multiplier; |
| 116 | 725 } |
| 726 } // temp_tissue_safety | |
| 727 | |
| 728 // ********************** | |
| 729 // ********************** | |
| 730 // ** THE JUMP-IN CODE ** | |
| 731 // ** for the asm code ** | |
| 732 // ********************** | |
| 733 // ********************** | |
|
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734 |
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735 void fillDataStack(void) |
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736 { |
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737 _asm |
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738 LFSR 1,C_STACK |
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739 MOVLW 0xCC |
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740 loop: MOVWF POSTINC1,0 |
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741 TSTFSZ FSR1L,0 |
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742 BRA loop |
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743 |
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744 LFSR 1,C_STACK |
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745 LFSR 2,C_STACK |
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746 MOVLW 1 |
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747 MOVWF TBLPTRU,0 |
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748 _endasm |
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749 } |
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750 |
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751 // When calling C code from ASM context, the data stack pointer and |
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752 // frames should be reset. Bank3 is dedicated to the stack (see the |
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753 // .lkr script). |
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754 #ifdef __DEBUG |
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755 # define RESET_C_STACK fillDataStack(); |
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756 #else |
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757 # define RESET_C_STACK \ |
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758 _asm \ |
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759 LFSR 1, C_STACK \ |
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760 LFSR 2, C_STACK \ |
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761 MOVLW 1 \ |
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762 MOVWF TBLPTRU,0 \ |
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763 _endasm |
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764 #endif |
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765 |
| 116 | 766 void deco_calc_hauptroutine(void) |
| 767 { | |
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768 RESET_C_STACK |
| 116 | 769 calc_hauptroutine(); |
| 770 int_O_desaturation_time = 65535; | |
| 771 } | |
| 772 | |
| 773 void deco_calc_without_deco(void) | |
| 774 { | |
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775 RESET_C_STACK |
| 116 | 776 calc_without_deco(); |
| 777 deco_calc_desaturation_time(); | |
| 778 } | |
| 779 | |
| 780 void deco_clear_tissue(void) | |
| 781 { | |
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782 RESET_C_STACK |
| 116 | 783 clear_tissue(); |
| 784 char_I_depth_last_deco = 0; // for compatibility with v.101pre_no_last_deco | |
| 785 } | |
| 786 | |
| 787 void deco_calc_wo_deco_step_1_min(void) | |
| 788 { | |
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789 RESET_C_STACK |
| 116 | 790 calc_wo_deco_step_1_min(); |
| 791 char_O_deco_status = 3; // surface new in v.102 overwrites value of calc_wo_deco_step_1_min | |
| 792 deco_calc_desaturation_time(); | |
| 793 } | |
| 794 | |
| 795 void deco_debug(void) | |
| 796 { | |
|
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797 RESET_C_STACK |
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798 // debug(); |
| 116 | 799 } |
| 800 | |
| 801 // --------------- | |
| 802 // CLEAR tissue // | |
| 803 // --------------- | |
| 165 | 804 // optimized in v.101 (var_N2_a) |
| 116 | 805 |
| 806 #pragma code p2_deco_suite = 0x10700 | |
| 807 | |
| 808 void clear_tissue(void) // preload tissues with standard pressure for the given ambient pressure | |
| 809 { | |
| 810 flag_in_divemode = 0; | |
| 811 int_O_DBS_bitfield = 0; | |
| 812 int_O_DBS2_bitfield = 0; | |
| 813 int_O_DBG_pre_bitfield = 0; | |
| 814 int_O_DBG_post_bitfield = 0; | |
| 815 char_O_NDL_at_20mtr = 255; | |
| 816 | |
| 126 | 817 // N2_ratio = (float)char_I_N2_ratio; // the 0.0002 of 0.7902 are missing with standard air |
| 818 N2_ratio = 0.7902; // N2_ratio / 100.0; | |
| 819 pres_respiration = (float)int_I_pres_respiration / 1000.0; | |
| 164 | 820 |
| 821 _asm | |
| 822 movlw 1 | |
| 823 movwf TBLPTRU,0 | |
| 824 _endasm | |
| 825 for(ci=0;ci<16;ci++) | |
| 126 | 826 { |
| 164 | 827 // cycle through the 16 b"uhlmann tissues |
| 165 | 828 overlay float p = N2_ratio * (pres_respiration - 0.0627); |
| 164 | 829 pres_tissue[ci] = p; |
| 126 | 830 |
| 165 | 831 read_buhlmann_compartment(0); |
| 832 | |
| 833 p = (p - var_N2_a) * var_N2_b ; | |
| 164 | 834 if( p < 0.0 ) |
| 835 p = 0.0; | |
| 836 pres_tissue_limit[ci] = p; | |
| 837 | |
| 838 // cycle through the 16 b"uhlmann tissues for Helium | |
| 839 pres_tissue[ci+16] = 0.0; | |
| 126 | 840 } // for 0 to 16 |
| 116 | 841 |
| 126 | 842 clear_decoarray(); |
| 843 char_O_deco_status = 0; | |
| 844 char_O_nullzeit = 0; | |
| 845 char_O_ascenttime = 0; | |
| 846 char_O_gradient_factor = 0; | |
| 847 char_O_relative_gradient_GF = 0; | |
| 116 | 848 } // clear_tissue(void) |
| 849 | |
| 850 | |
| 851 // -------------------- | |
| 852 // calc_without_deco // | |
| 853 // fixed N2_ratio ! // | |
| 854 // -------------------- | |
| 855 // optimized in v.101 (float_..saturation_multiplier) | |
| 856 | |
| 857 void calc_without_deco(void) | |
| 858 { | |
| 126 | 859 N2_ratio = 0.7902; // FIXED RATIO !! sum as stated in b"uhlmann |
| 860 pres_respiration = (float)int_I_pres_respiration / 1000.0; // assembler code uses different digit system | |
| 861 pres_surface = (float)int_I_pres_surface / 1000.0; | |
| 862 temp_atem = N2_ratio * (pres_respiration - 0.0627); // 0.0627 is the extra pressure in the body | |
| 863 temp2_atem = 0.0; | |
| 864 temp_surface = pres_surface; // the b"uhlmann formula using temp_surface does apply to the pressure without any inert ratio | |
| 865 float_desaturation_multiplier = char_I_desaturation_multiplier / 100.0; | |
| 866 float_saturation_multiplier = char_I_saturation_multiplier / 100.0; | |
| 867 | |
| 868 calc_tissue(); // update the pressure in the 16 tissues in accordance with the new ambient pressure | |
| 869 | |
| 870 clear_decoarray(); | |
| 871 char_O_deco_status = 0; | |
| 872 char_O_nullzeit = 0; | |
| 873 char_O_ascenttime = 0; | |
| 874 calc_gradient_factor(); | |
| 116 | 875 } // calc_without_deco |
| 876 | |
| 877 | |
| 878 // -------------------- | |
| 879 // calc_hauptroutine // | |
| 880 // -------------------- | |
| 881 // this is the major code in dive mode | |
| 882 // calculates: | |
| 883 // the tissues, | |
| 884 // the bottom time | |
| 885 // and simulates the ascend with all deco stops | |
| 886 | |
| 887 void calc_hauptroutine(void) | |
| 888 { | |
| 889 calc_hauptroutine_data_input(); | |
| 890 | |
| 891 if(!flag_in_divemode) | |
| 892 { | |
| 893 flag_in_divemode = 1; | |
| 894 create_dbs_set_dbg_and_ndl20mtr(); | |
| 895 } | |
| 896 else | |
| 897 check_pre_dbg(); | |
| 898 | |
| 899 calc_hauptroutine_update_tissues(); | |
| 900 calc_gradient_factor(); | |
| 901 | |
| 902 | |
| 903 switch (char_O_deco_status) // toggle between calculation for nullzeit (bottom time), deco stops and more deco stops (continue) | |
| 904 { | |
| 905 case 0: | |
| 906 update_startvalues(); | |
| 907 calc_nullzeit(); | |
| 908 check_ndl(); | |
| 909 char_O_deco_status = 255; // calc deco next time | |
| 910 break; | |
| 911 case 1: | |
| 912 if (char_O_deco_status == 3) | |
| 913 break; | |
| 914 char_O_deco_status = 0; | |
| 915 calc_hauptroutine_calc_deco(); | |
| 916 break; | |
| 917 case 3: // new dive | |
| 918 clear_decoarray(); | |
| 919 clear_internal_deco_table_GF(); | |
| 920 copy_deco_table_GF(); | |
| 921 internal_deco_pointer = 0; | |
| 922 lock_GF_depth_list = 0; | |
| 923 update_startvalues(); | |
| 924 calc_nextdecodepth_GF(); | |
| 925 char_O_deco_status = 0; | |
| 926 break; | |
| 927 default: | |
| 928 update_startvalues(); | |
| 929 clear_decoarray(); | |
| 930 clear_internal_deco_table_GF(); | |
| 931 output[6] = 1; | |
| 932 calc_hauptroutine_calc_ascend_to_deco(); | |
| 933 if (char_O_deco_status > 15) // can't go up to first deco, too deep to calculate in the given time slot | |
| 934 { | |
| 935 char_O_deco_status = 2; | |
| 936 } | |
| 937 else | |
| 938 { | |
| 939 calc_hauptroutine_calc_deco(); | |
| 940 } | |
| 941 break; | |
| 942 } | |
| 943 calc_ascenttime(); | |
| 944 check_post_dbg(); | |
| 945 } | |
| 946 | |
| 947 void calc_hauptroutine_data_input(void) | |
| 948 { | |
| 126 | 949 pres_respiration = (float)int_I_pres_respiration / 1000.0; |
| 950 pres_surface = (float)int_I_pres_surface / 1000.0; | |
| 951 | |
| 952 N2_ratio = (float)char_I_N2_ratio / 100.0;; // the 0.0002 of 0.7902 are missing with standard air | |
| 953 He_ratio = (float)char_I_He_ratio / 100.0;; | |
| 954 deco_N2_ratio = (float)char_I_deco_N2_ratio / 100.0; | |
| 955 deco_He_ratio = (float)char_I_deco_He_ratio / 100.0; | |
| 956 deco_N2_ratio2 = (float)char_I_deco_N2_ratio2 / 100.0; | |
| 957 deco_He_ratio2 = (float)char_I_deco_He_ratio2 / 100.0; | |
| 958 deco_N2_ratio3 = (float)char_I_deco_N2_ratio3 / 100.0; | |
| 959 deco_He_ratio3 = (float)char_I_deco_He_ratio3 / 100.0; | |
| 960 deco_N2_ratio4 = (float)char_I_deco_N2_ratio4 / 100.0; | |
| 961 deco_He_ratio4 = (float)char_I_deco_He_ratio4 / 100.0; | |
| 962 deco_N2_ratio5 = (float)char_I_deco_N2_ratio5 / 100.0; | |
| 963 deco_He_ratio5 = (float)char_I_deco_He_ratio5 / 100.0; | |
| 964 float_deco_distance = (float)char_I_deco_distance / 100.0; | |
| 116 | 965 |
| 126 | 966 // ____________________________________________________ |
| 967 // | |
| 968 // _____________ G A S _ C H A N G E S ________________ | |
| 969 // ____________________________________________________ | |
| 970 | |
| 971 int_temp = (int_I_pres_respiration - int_I_pres_surface) + MBAR_REACH_GASCHANGE_AUTO_CHANGE_OFF; | |
| 972 | |
| 973 deco_gas_change = 0; | |
| 974 deco_gas_change2 = 0; | |
| 975 deco_gas_change3 = 0; | |
| 976 deco_gas_change4 = 0; | |
| 977 deco_gas_change5 = 0; | |
| 116 | 978 |
| 126 | 979 if(char_I_deco_gas_change) |
| 980 { | |
| 981 int_temp2 = ((int)char_I_deco_gas_change) * 100; | |
| 982 if(int_temp > int_temp2) | |
| 983 { | |
| 984 deco_gas_change = (float)char_I_deco_gas_change / 9.995 + pres_surface; | |
| 985 deco_gas_change += float_deco_distance; | |
| 986 } | |
| 987 } | |
| 988 if(char_I_deco_gas_change2) | |
| 989 { | |
| 990 int_temp2 = ((int)char_I_deco_gas_change2) * 100; | |
| 991 if(int_temp > int_temp2) | |
| 992 { | |
| 993 deco_gas_change2 = (float)char_I_deco_gas_change2 / 9.995 + pres_surface; | |
| 994 deco_gas_change2 += float_deco_distance; | |
| 995 } | |
| 996 } | |
| 997 if(char_I_deco_gas_change3) | |
| 998 { | |
| 999 int_temp2 = ((int)char_I_deco_gas_change3) * 100; | |
| 1000 if(int_temp > int_temp2) | |
| 1001 { | |
| 1002 deco_gas_change3 = (float)char_I_deco_gas_change3 / 9.995 + pres_surface; | |
| 1003 deco_gas_change3 += float_deco_distance; | |
| 1004 } | |
| 1005 } | |
| 1006 if(char_I_deco_gas_change4) | |
| 1007 { | |
| 1008 int_temp2 = ((int)char_I_deco_gas_change4) * 100; | |
| 1009 if(int_temp > int_temp2) | |
| 1010 { | |
| 1011 deco_gas_change4 = (float)char_I_deco_gas_change4 / 9.995 + pres_surface; | |
| 1012 deco_gas_change4 += float_deco_distance; | |
| 1013 } | |
| 1014 } | |
| 1015 if(char_I_deco_gas_change5) | |
| 1016 { | |
| 1017 int_temp2 = ((int)char_I_deco_gas_change5) * 100; | |
| 1018 if(int_temp > int_temp2) | |
| 1019 { | |
| 1020 deco_gas_change5 = (float)char_I_deco_gas_change5 / 9.995 + pres_surface; | |
| 1021 deco_gas_change5 += float_deco_distance; | |
| 1022 } | |
| 1023 } | |
| 116 | 1024 |
| 126 | 1025 const_ppO2 = (float)char_I_const_ppO2 / 100.0; |
| 1026 deco_ppO2_change = (float)char_I_deco_ppO2_change / 99.95 + pres_surface; | |
| 1027 deco_ppO2_change = deco_ppO2_change + float_deco_distance; | |
| 1028 deco_ppO2 = (float)char_I_deco_ppO2 / 100.0; | |
| 1029 float_desaturation_multiplier = char_I_desaturation_multiplier / 100.0; | |
| 1030 float_saturation_multiplier = char_I_saturation_multiplier / 100.0; | |
| 1031 GF_low = (float)char_I_GF_Low_percentage / 100.0; | |
| 1032 GF_high = (float)char_I_GF_High_percentage / 100.0; | |
| 1033 GF_delta = GF_high - GF_low; | |
| 1034 | |
| 1035 temp2 = (pres_respiration - pres_surface) / 0.29985; | |
| 1036 int_temp = (int)(temp2); | |
| 1037 if (int_temp < 0) | |
| 1038 int_temp = 0; | |
| 1039 if (int_temp > 255) | |
| 1040 int_temp = 255; | |
| 1041 char_O_actual_pointer = int_temp; | |
| 1042 | |
| 1043 temp_depth_last_deco = (int)char_I_depth_last_deco; | |
| 116 | 1044 } |
| 1045 | |
| 1046 void calc_hauptroutine_update_tissues(void) | |
| 1047 { | |
| 1048 int_O_calc_tissue_call_counter = int_O_calc_tissue_call_counter + 1; | |
| 1049 if (char_I_const_ppO2 == 0) // new in v.101 | |
| 1050 pres_diluent = pres_respiration; // new in v.101 | |
| 1051 else // new in v.101 | |
| 1052 pres_diluent = ((pres_respiration - const_ppO2)/(N2_ratio + He_ratio)); // new in v.101 | |
| 1053 if (pres_diluent > pres_respiration) // new in v.101 | |
| 1054 pres_diluent = pres_respiration; // new in v.101 | |
| 1055 if (pres_diluent > 0.0627) // new in v.101 | |
| 1056 { | |
| 1057 temp_atem = N2_ratio * (pres_diluent - 0.0627); // changed in v.101 | |
| 1058 temp2_atem = He_ratio * (pres_diluent - 0.0627); // changed in v.101 | |
| 1059 char_O_diluent = (char)(pres_diluent/pres_respiration*100.0); | |
| 1060 } | |
| 1061 else // new in v.101 | |
| 1062 { | |
| 1063 temp_atem = 0.0; // new in v.101 | |
| 1064 temp2_atem = 0.0; // new in v.101 | |
| 1065 char_O_diluent = 0; | |
| 1066 } | |
| 1067 temp_surface = pres_surface; | |
| 1068 | |
| 1069 if(!char_I_step_is_1min) | |
| 1070 calc_tissue(); | |
| 1071 else | |
| 1072 calc_tissue_step_1_min(); | |
| 1073 | |
| 1074 int_O_gtissue_limit = (int)(pres_tissue_limit[char_O_gtissue_no] * 1000); | |
| 1075 int_O_gtissue_press = (int)((pres_tissue[char_O_gtissue_no] + pres_tissue[char_O_gtissue_no+16]) * 1000); | |
| 1076 if (char_I_deco_model == 1) | |
| 1077 { | |
| 1078 temp1 = temp1 * GF_high; | |
| 1079 } | |
| 1080 else | |
| 1081 { | |
| 1082 temp1 = temp_surface; | |
| 1083 } | |
| 1084 if (pres_gtissue_limit > temp1 && char_O_deco_status == 0) // if guiding tissue can not be exposed to surface pressure immediately | |
| 1085 { | |
| 1086 char_O_nullzeit = 0; // deco necessary | |
| 1087 char_O_deco_status = 255; // calculate deco skip nullzeit calculation | |
| 1088 } | |
| 1089 } // calc_hauptroutine_update_tissues | |
| 1090 | |
| 1091 void calc_hauptroutine_calc_deco(void) | |
| 1092 { | |
| 1093 do | |
| 1094 { | |
| 1095 int_temp_decostatus = 0; | |
| 1096 calc_nextdecodepth_GF(); | |
| 1097 if (temp_depth_limit > 0) | |
| 1098 { | |
| 1099 calc_N2_ratio = N2_ratio; | |
| 1100 calc_He_ratio = He_ratio; | |
| 1101 | |
| 1102 if (char_I_const_ppO2 == 0) // new in v.101 | |
| 1103 { | |
| 1104 deco_diluent = temp_deco; // new in v.101 | |
| 1105 | |
| 1106 if(deco_gas_change && (temp_deco < deco_gas_change)) | |
| 1107 { | |
| 1108 calc_N2_ratio = deco_N2_ratio; | |
| 1109 calc_He_ratio = deco_He_ratio; | |
| 1110 } | |
| 1111 if(deco_gas_change2 && (temp_deco < deco_gas_change2)) | |
| 1112 { | |
| 1113 calc_N2_ratio = deco_N2_ratio2; | |
| 1114 calc_He_ratio = deco_He_ratio2; | |
| 1115 } | |
| 1116 if(deco_gas_change3 && (temp_deco < deco_gas_change3)) | |
| 1117 { | |
| 1118 calc_N2_ratio = deco_N2_ratio3; | |
| 1119 calc_He_ratio = deco_He_ratio3; | |
| 1120 } | |
| 1121 if(deco_gas_change4 && (temp_deco < deco_gas_change4)) | |
| 1122 { | |
| 1123 calc_N2_ratio = deco_N2_ratio4; | |
| 1124 calc_He_ratio = deco_He_ratio4; | |
| 1125 } | |
| 1126 if(deco_gas_change5 && (temp_deco < deco_gas_change5)) | |
| 1127 { | |
| 1128 calc_N2_ratio = deco_N2_ratio5; | |
| 1129 calc_He_ratio = deco_He_ratio5; | |
| 1130 } | |
| 1131 } | |
| 1132 else // new in v.101 | |
| 1133 { | |
| 1134 if (temp_deco > deco_ppO2_change) | |
| 1135 { | |
| 1136 deco_diluent = ((temp_deco - const_ppO2)/(N2_ratio + He_ratio)); // new in v.101 | |
| 1137 } | |
| 1138 else | |
| 1139 { | |
| 1140 deco_diluent = ((temp_deco - deco_ppO2)/(N2_ratio + He_ratio)); // new in v.101 | |
| 1141 } | |
| 1142 } | |
| 1143 if (deco_diluent > temp_deco) // new in v.101 | |
| 1144 deco_diluent = temp_deco; // new in v.101 | |
| 1145 if (deco_diluent > 0.0627) // new in v.101 | |
| 1146 { | |
| 1147 temp_atem = calc_N2_ratio * (deco_diluent - 0.0627); // changed in v.101 | |
| 1148 temp2_atem = calc_He_ratio * (deco_diluent - 0.0627); // changed in v.101 | |
| 1149 } | |
| 1150 else // new in v.101 | |
| 1151 { | |
| 1152 temp_atem = 0.0; // new in v.101 | |
| 1153 temp2_atem = 0.0; // new in v.101 | |
| 1154 } | |
| 1155 sim_tissue_1min(); | |
| 1156 update_internal_deco_table_GF(); | |
| 1157 temp_decotime = 1; | |
| 1158 update_decoarray(); | |
| 1159 char_O_deco_status = char_O_deco_status + 1; | |
| 1160 if (char_O_deco_status < 16) | |
| 1161 int_temp_decostatus = 1; | |
| 1162 } | |
| 1163 else // if (temp_depth_limit > 0) | |
| 1164 { | |
| 1165 char_O_deco_status = 0; | |
| 1166 } | |
| 1167 } while (int_temp_decostatus == 1); | |
| 1168 if (char_O_deco_status > 15) | |
| 1169 { | |
| 1170 char_O_deco_status = 1; | |
| 1171 } | |
| 1172 else | |
| 1173 { | |
| 1174 copy_deco_table_GF(); | |
| 1175 char_O_deco_status = 0; | |
| 1176 } | |
| 1177 } | |
| 1178 | |
| 1179 void calc_hauptroutine_calc_ascend_to_deco(void) | |
| 1180 { | |
| 1181 update_startvalues(); | |
| 1182 char_O_deco_status = 0; | |
| 1183 temp_deco = pres_respiration; | |
| 1184 lock_GF_depth_list = 1; // new in v.102 | |
| 1185 do // go up to first deco | |
| 1186 { | |
| 1187 int_temp_decostatus = 0; | |
| 1188 temp_deco = temp_deco - 1.0; | |
| 1189 if ( char_I_deco_model == 1) // new in v.102 , 4 = deep stops | |
| 1190 temp_limit = temp_pres_gtissue_limit_GF_low; | |
| 1191 else | |
| 1192 temp_limit = temp_pres_gtissue_limit; | |
| 1193 if ((temp_deco > temp_limit) && (temp_deco > pres_surface)) // changes in v.102 | |
| 1194 { | |
| 1195 lock_GF_depth_list = 0; // new in v.102, distance to first stop > 10 mtr. | |
| 1196 output[6] = 0; | |
| 1197 temp_deco += 0.5; | |
| 1198 | |
| 1199 calc_N2_ratio = N2_ratio; | |
| 1200 calc_He_ratio = He_ratio; | |
| 1201 | |
| 1202 if (char_I_const_ppO2 == 0) // new in v.101 // calculate at half of the ascent | |
| 1203 { | |
| 1204 deco_diluent = temp_deco; // new in v.101 | |
| 1205 | |
| 1206 if(deco_gas_change && (temp_deco < deco_gas_change)) | |
| 1207 { | |
| 1208 calc_N2_ratio = deco_N2_ratio; | |
| 1209 calc_He_ratio = deco_He_ratio; | |
| 1210 } | |
| 1211 if(deco_gas_change2 && (temp_deco < deco_gas_change2)) | |
| 1212 { | |
| 1213 calc_N2_ratio = deco_N2_ratio2; | |
| 1214 calc_He_ratio = deco_He_ratio2; | |
| 1215 } | |
| 1216 if(deco_gas_change3 && (temp_deco < deco_gas_change3)) | |
| 1217 { | |
| 1218 calc_N2_ratio = deco_N2_ratio3; | |
| 1219 calc_He_ratio = deco_He_ratio3; | |
| 1220 } | |
| 1221 if(deco_gas_change4 && (temp_deco < deco_gas_change4)) | |
| 1222 { | |
| 1223 calc_N2_ratio = deco_N2_ratio4; | |
| 1224 calc_He_ratio = deco_He_ratio4; | |
| 1225 } | |
| 1226 if(deco_gas_change5 && (temp_deco < deco_gas_change5)) | |
| 1227 { | |
| 1228 calc_N2_ratio = deco_N2_ratio5; | |
| 1229 calc_He_ratio = deco_He_ratio5; | |
| 1230 } | |
| 1231 } | |
| 1232 else // new in v.101 | |
| 1233 { | |
| 1234 if (temp_deco > deco_ppO2_change) | |
| 1235 deco_diluent = ((temp_deco - const_ppO2)/(N2_ratio + He_ratio)); // new in v.101 // calculate at half of the ascent | |
| 1236 else | |
| 1237 deco_diluent = ((temp_deco - deco_ppO2)/(N2_ratio + He_ratio)); // new in v.101 // calculate at half of the ascent | |
| 1238 if (deco_diluent > (temp_deco)) // new in v.101 | |
| 1239 deco_diluent = temp_deco; // new in v.101 // calculate at half of the ascent | |
| 1240 } | |
| 1241 temp_deco -= 0.5; | |
| 1242 if (deco_diluent > 0.0627) // new in v.101 | |
| 1243 { | |
| 1244 temp_atem = calc_N2_ratio * (deco_diluent - 0.0627); // changed in v.101 | |
| 1245 temp2_atem = calc_He_ratio * (deco_diluent - 0.0627); // changed in v.101 | |
| 1246 } | |
| 1247 else // new in v.101 | |
| 1248 { | |
| 1249 temp_atem = 0.0; // new in v.101 | |
| 1250 temp2_atem = 0.0; // new in v.101 | |
| 1251 } | |
| 1252 sim_tissue_1min(); | |
| 1253 char_O_deco_status = char_O_deco_status + 1; | |
| 1254 if (char_O_deco_status < 16) // 16 is the limit of calculations for one time slot | |
| 1255 int_temp_decostatus = 1; | |
| 1256 } | |
| 1257 } while (int_temp_decostatus == 1); | |
| 1258 } // calc_hauptroutine_calc_ascend_to_deco | |
| 1259 | |
| 1260 // -------------- | |
| 1261 // calc_tissue // | |
| 1262 // -------------- | |
| 1263 // optimized in v.101 | |
| 1264 | |
| 1265 void calc_tissue(void) | |
| 1266 { | |
| 126 | 1267 char_O_gtissue_no = 255; |
| 1268 pres_gtissue_limit = 0.0; | |
| 1269 | |
| 1270 for (ci=0;ci<16;ci++) | |
| 1271 { | |
| 165 | 1272 read_buhlmann_compartment(0); // 2 sec mode. |
| 116 | 1273 |
| 126 | 1274 // N2 |
| 165 | 1275 temp_tissue = (temp_atem - pres_tissue[ci]) * var_N2_e; |
| 126 | 1276 temp_tissue_safety(); |
| 1277 pres_tissue[ci] = pres_tissue[ci] + temp_tissue; | |
| 165 | 1278 |
| 126 | 1279 // He |
| 165 | 1280 temp_tissue = (temp2_atem - pres_tissue[ci+16]) * var_He_e; |
| 126 | 1281 temp_tissue_safety(); |
| 1282 pres_tissue[ci+16] = pres_tissue[ci+16] + temp_tissue; | |
| 165 | 1283 |
| 126 | 1284 temp_tissue = pres_tissue[ci] + pres_tissue[ci+16]; |
| 116 | 1285 |
| 165 | 1286 var_N2_a = (var_N2_a * pres_tissue[ci] + var_He_a * pres_tissue[ci+16]) / temp_tissue; |
| 1287 var_N2_b = (var_N2_b * pres_tissue[ci] + var_He_b * pres_tissue[ci+16]) / temp_tissue; | |
| 1288 pres_tissue_limit[ci] = (temp_tissue - var_N2_a) * var_N2_b; | |
| 126 | 1289 if (pres_tissue_limit[ci] < 0) |
| 1290 pres_tissue_limit[ci] = 0; | |
| 1291 if (pres_tissue_limit[ci] > pres_gtissue_limit) | |
| 1292 { | |
| 1293 pres_gtissue_limit = pres_tissue_limit[ci]; | |
| 1294 char_O_gtissue_no = ci; | |
| 1295 }//if | |
| 1296 } // for | |
| 116 | 1297 }//calc_tissue(void) |
| 1298 | |
| 1299 // ---------------- | |
| 1300 // calc_nullzeit // | |
| 1301 // ---------------- | |
| 1302 // calculates the remaining bottom time | |
| 1303 | |
| 1304 // unchanged in v.101 | |
| 1305 | |
| 1306 void calc_nullzeit(void) | |
| 1307 { | |
| 1308 char_O_nullzeit = 0; | |
| 1309 int_temp = 1; | |
| 1310 do | |
| 1311 { | |
| 1312 backup_sim_pres_tissue(); | |
| 1313 sim_tissue_10min(); | |
| 1314 char_O_nullzeit = char_O_nullzeit + 10; | |
| 1315 int_temp = int_temp + 1; | |
| 1316 if (char_I_deco_model == 1) | |
| 1317 temp1 = GF_high * temp_pres_gtissue_diff + temp_pres_gtissue; | |
| 1318 else | |
| 1319 temp1 = temp_pres_gtissue_limit; | |
| 1320 if (temp1 > temp_surface) // changed in v.102 , if guiding tissue can not be exposed to surface pressure immediately | |
| 1321 int_temp = 255; | |
| 1322 } while (int_temp < 17); | |
| 1323 if (int_temp == 255) | |
| 1324 { | |
| 1325 restore_sim_pres_tissue(); | |
| 1326 char_O_nullzeit = char_O_nullzeit - 10; | |
| 1327 } //if int_temp == 255] | |
| 1328 int_temp = 1; | |
| 1329 if (char_O_nullzeit < 60) | |
| 1330 { | |
| 1331 do | |
| 1332 { | |
| 1333 sim_tissue_1min(); | |
| 1334 char_O_nullzeit = char_O_nullzeit + 1; | |
| 1335 int_temp = int_temp + 1; // new in v.102a | |
| 1336 if (char_I_deco_model == 1) | |
| 1337 temp1 = GF_high * temp_pres_gtissue_diff + temp_pres_gtissue; | |
| 1338 else | |
| 1339 temp1 = temp_pres_gtissue_limit; | |
| 1340 if (temp1 > temp_surface) // changed in v.102 , if guiding tissue can not be exposed to surface pressure immediately | |
| 1341 int_temp = 255; | |
| 1342 } while (int_temp < 10); | |
| 1343 if (int_temp == 255) | |
| 1344 char_O_nullzeit = char_O_nullzeit - 1; | |
| 1345 } // if char_O_nullzeit < 60 | |
| 1346 } //calc_nullzeit | |
| 1347 | |
| 1348 // ------------------------- | |
| 1349 // backup_sim_pres_tissue // | |
| 1350 // ------------------------- | |
| 1351 void backup_sim_pres_tissue(void) | |
| 1352 { | |
| 126 | 1353 for (x = 0;x<16;x++) |
| 1354 { | |
| 1355 sim_pres_tissue_backup[x] = sim_pres_tissue[x]; | |
| 1356 sim_pres_tissue_backup[x+16] = sim_pres_tissue[x+16]; | |
| 1357 } | |
| 116 | 1358 } // backup_sim |
| 1359 | |
| 1360 // -------------------------- | |
| 1361 // restore_sim_pres_tissue // | |
| 1362 // -------------------------- | |
| 1363 void restore_sim_pres_tissue(void) | |
| 1364 { | |
| 126 | 1365 for (x = 0;x<16;x++) |
| 1366 { | |
| 1367 sim_pres_tissue[x] = sim_pres_tissue_backup[x]; | |
| 1368 sim_pres_tissue[x+16] = sim_pres_tissue_backup[x+16]; | |
| 1369 } | |
| 116 | 1370 } // restore_sim |
| 1371 | |
| 1372 // ------------------ | |
| 1373 // calc_ascenttime // | |
| 1374 // ------------------ | |
| 1375 | |
| 1376 void calc_ascenttime(void) | |
| 1377 { | |
| 126 | 1378 if (pres_respiration > pres_surface) |
| 1379 { | |
| 1380 switch (char_O_deco_status) | |
| 1381 { | |
| 1382 case 2: | |
| 1383 char_O_ascenttime = 255; | |
| 1384 break; | |
| 1385 case 1: | |
| 1386 break; | |
| 1387 default: | |
| 1388 temp1 = pres_respiration - pres_surface + 0.6; // + 0.6 hence 1 minute ascent time from a depth of 4 meter on | |
| 1389 if (temp1 < 0) | |
| 1390 temp1 = 0; | |
| 1391 if (temp1 > 255) | |
| 1392 temp1 = 255; | |
| 1393 char_O_ascenttime = (char)temp1; | |
| 1394 | |
| 1395 for(ci=0;ci<7;ci++) | |
| 1396 { | |
| 1397 x = char_O_ascenttime + char_O_array_decotime[ci]; | |
| 1398 if (x < char_O_ascenttime) | |
| 1399 char_O_ascenttime = 255; | |
| 1400 else | |
| 1401 char_O_ascenttime = x; | |
| 1402 } | |
| 1403 break; | |
| 1404 } | |
| 1405 } | |
| 1406 else | |
| 1407 char_O_ascenttime = 0; | |
| 116 | 1408 } // calc_ascenttime() |
| 1409 | |
| 1410 | |
| 1411 // --------------------- | |
| 1412 // update_startvalues // | |
| 1413 // --------------------- | |
| 1414 // updated in v.102 | |
| 1415 | |
| 1416 void update_startvalues(void) | |
| 1417 { | |
| 1418 temp_pres_gtissue_limit = pres_gtissue_limit; | |
| 1419 temp_pres_gtissue = pres_tissue[char_O_gtissue_no] + pres_tissue[char_O_gtissue_no+16]; | |
| 1420 temp_pres_gtissue_diff = temp_pres_gtissue_limit - temp_pres_gtissue; // negative number | |
| 1421 temp_pres_gtissue_limit_GF_low = GF_low * temp_pres_gtissue_diff + temp_pres_gtissue; | |
| 1422 temp_pres_gtissue_limit_GF_low_below_surface = temp_pres_gtissue_limit_GF_low - pres_surface; | |
| 1423 if (temp_pres_gtissue_limit_GF_low_below_surface < 0) | |
| 1424 temp_pres_gtissue_limit_GF_low_below_surface = 0; | |
| 1425 | |
| 1426 temp_gtissue_no = char_O_gtissue_no; | |
| 1427 for (x = 0;x<16;x++) | |
| 1428 { | |
| 1429 sim_pres_tissue[x] = pres_tissue[x]; | |
| 1430 sim_pres_tissue[x+16] = pres_tissue[x+16]; | |
| 1431 sim_pres_tissue_limit[x] = pres_tissue_limit[x]; | |
| 1432 } | |
| 1433 } // update_startvalues | |
| 1434 | |
| 1435 | |
| 1436 // ------------------ | |
| 1437 // sim_tissue_1min // | |
| 1438 // ------------------ | |
| 1439 // optimized in v.101 | |
| 1440 | |
| 1441 void sim_tissue_1min(void) | |
| 1442 { | |
| 126 | 1443 temp_pres_gtissue_limit = 0.0; |
| 1444 temp_gtissue_no = 255; | |
| 1445 | |
| 1446 for (ci=0;ci<16;ci++) | |
| 1447 { | |
| 165 | 1448 read_buhlmann_compartment(1); // 1 minute interval |
| 1449 | |
| 126 | 1450 // N2 |
| 165 | 1451 temp_tissue = (temp_atem - sim_pres_tissue[ci]) * var_N2_e; |
| 126 | 1452 temp_tissue_safety(); |
| 1453 sim_pres_tissue[ci] = sim_pres_tissue[ci] + temp_tissue; | |
| 1454 | |
| 1455 // He | |
| 165 | 1456 temp_tissue = (temp2_atem - sim_pres_tissue[ci+16]) * var_He_e; |
| 126 | 1457 temp_tissue_safety(); |
| 1458 sim_pres_tissue[ci+16] = sim_pres_tissue[ci+16] + temp_tissue; | |
| 1459 | |
| 1460 // pressure limit | |
| 1461 temp_tissue = sim_pres_tissue[ci] + sim_pres_tissue[ci+16]; | |
| 165 | 1462 var_N2_a = (var_N2_a * sim_pres_tissue[ci] + var_He_a * sim_pres_tissue[ci+16]) / temp_tissue; |
| 1463 var_N2_b = (var_N2_b * sim_pres_tissue[ci] + var_He_b * sim_pres_tissue[ci+16]) / temp_tissue; | |
| 1464 sim_pres_tissue_limit[ci] = (temp_tissue - var_N2_a) * var_N2_b; | |
| 126 | 1465 |
| 1466 if (sim_pres_tissue_limit[ci] < 0) | |
| 1467 sim_pres_tissue_limit[ci] = 0; | |
| 1468 if (sim_pres_tissue_limit[ci] > temp_pres_gtissue_limit) | |
| 1469 { | |
| 1470 temp_pres_gtissue = temp_tissue; | |
| 1471 temp_pres_gtissue_limit = sim_pres_tissue_limit[ci]; | |
| 1472 temp_gtissue_no = ci; | |
| 1473 } | |
| 1474 } // for | |
| 116 | 1475 |
| 126 | 1476 temp_pres_gtissue_diff = temp_pres_gtissue_limit - temp_pres_gtissue; |
| 1477 temp_pres_gtissue_limit_GF_low = GF_low * temp_pres_gtissue_diff + temp_pres_gtissue; | |
| 1478 temp_pres_gtissue_limit_GF_low_below_surface = temp_pres_gtissue_limit_GF_low - pres_surface; | |
| 1479 if (temp_pres_gtissue_limit_GF_low_below_surface < 0) | |
| 1480 temp_pres_gtissue_limit_GF_low_below_surface = 0; | |
| 116 | 1481 } //sim_tissue_1min() |
| 1482 | |
| 1483 //-------------------- | |
| 1484 // sim_tissue_10min // | |
| 1485 //-------------------- | |
| 1486 | |
| 165 | 1487 // Attention!! uses var_N2_e und var_He_e to load 10min data !!! |
| 116 | 1488 // is identical to sim_tissue_1min routine except for the different load of those variables |
| 1489 | |
| 1490 // optimized in v.101 | |
| 1491 | |
| 1492 void sim_tissue_10min(void) | |
| 1493 { | |
| 126 | 1494 temp_pres_gtissue_limit = 0.0; |
| 1495 temp_gtissue_no = 255; | |
| 1496 | |
| 1497 for (ci=0;ci<16;ci++) | |
| 1498 { | |
| 165 | 1499 read_buhlmann_compartment(2); // 10 minute interval |
| 1500 | |
| 126 | 1501 // N2 |
| 165 | 1502 temp_tissue = (temp_atem - sim_pres_tissue[ci]) * var_N2_e; |
| 126 | 1503 temp_tissue_safety(); |
| 1504 sim_pres_tissue[ci] = sim_pres_tissue[ci] + temp_tissue; | |
| 1505 // He | |
| 165 | 1506 temp_tissue = (temp2_atem - sim_pres_tissue[ci+16]) * var_He_e; |
| 126 | 1507 temp_tissue_safety(); |
| 1508 sim_pres_tissue[ci+16] = sim_pres_tissue[ci+16] + temp_tissue; | |
| 1509 | |
| 1510 // pressure limit | |
| 1511 temp_tissue = sim_pres_tissue[ci] + sim_pres_tissue[ci+16]; | |
| 165 | 1512 var_N2_a = (var_N2_a * sim_pres_tissue[ci] + var_He_a * sim_pres_tissue[ci+16]) / temp_tissue; |
| 1513 var_N2_b = (var_N2_b * sim_pres_tissue[ci] + var_He_b * sim_pres_tissue[ci+16]) / temp_tissue; | |
| 116 | 1514 |
| 165 | 1515 sim_pres_tissue_limit[ci] = (temp_tissue - var_N2_a) * var_N2_b; |
| 126 | 1516 if (sim_pres_tissue_limit[ci] < 0) |
| 1517 sim_pres_tissue_limit[ci] = 0; | |
| 1518 if (sim_pres_tissue_limit[ci] > temp_pres_gtissue_limit) | |
| 1519 { | |
| 1520 temp_pres_gtissue = temp_tissue; | |
| 1521 temp_pres_gtissue_limit = sim_pres_tissue_limit[ci]; | |
| 1522 temp_gtissue_no = ci; | |
| 1523 } | |
| 1524 } // for | |
| 116 | 1525 |
| 1526 temp_pres_gtissue_diff = temp_pres_gtissue_limit - temp_pres_gtissue; // negative number | |
| 1527 temp_pres_gtissue_limit_GF_low = GF_low * temp_pres_gtissue_diff + temp_pres_gtissue; | |
| 1528 temp_pres_gtissue_limit_GF_low_below_surface = temp_pres_gtissue_limit_GF_low - pres_surface; | |
| 1529 if (temp_pres_gtissue_limit_GF_low_below_surface < 0) | |
| 1530 temp_pres_gtissue_limit_GF_low_below_surface = 0; | |
| 1531 } //sim_tissue_10min() | |
| 1532 | |
| 1533 | |
| 1534 // ------------------ | |
| 1535 // clear_decoarray // | |
| 1536 // ------------------ | |
| 1537 // unchanged in v.101 | |
| 1538 | |
| 1539 void clear_decoarray(void) | |
| 1540 { | |
| 126 | 1541 char_O_array_decodepth[0] = 0; |
| 1542 char_O_array_decodepth[1] = 0; | |
| 1543 char_O_array_decodepth[2] = 0; | |
| 1544 char_O_array_decodepth[3] = 0; | |
| 1545 char_O_array_decodepth[4] = 0; | |
| 1546 char_O_array_decodepth[5] = 0; | |
| 1547 char_O_array_decotime[0] = 0; | |
| 1548 char_O_array_decotime[1] = 0; | |
| 1549 char_O_array_decotime[2] = 0; | |
| 1550 char_O_array_decotime[3] = 0; | |
| 1551 char_O_array_decotime[4] = 0; | |
| 1552 char_O_array_decotime[5] = 0; | |
| 1553 char_O_array_decotime[6] = 0; | |
| 116 | 1554 } // clear_decoarray |
| 1555 | |
| 1556 | |
| 1557 // ------------------- | |
| 1558 // update_decoarray // | |
| 1559 // ------------------- | |
| 1560 // unchanged in v.101 | |
| 1561 | |
| 1562 void update_decoarray() | |
| 1563 { | |
| 1564 x = 0; | |
| 1565 do | |
| 1566 { | |
| 1567 if (char_O_array_decodepth[x] == temp_depth_limit) | |
| 1568 { | |
| 1569 int_temp = char_O_array_decotime[x] + temp_decotime; | |
| 1570 if (int_temp < 0) | |
| 1571 int_temp = 0; | |
| 1572 if (int_temp > 240) | |
| 1573 int_temp = 240; | |
| 1574 char_O_array_decotime[x] = int_temp; | |
| 1575 x = 10; // exit | |
| 1576 } // if | |
| 1577 else | |
| 1578 { | |
| 1579 if (char_O_array_decodepth[x] == 0) | |
| 1580 { | |
| 1581 if (temp_depth_limit > 255) | |
| 1582 char_O_array_decodepth[x] = 255; | |
| 1583 else | |
| 1584 char_O_array_decodepth[x] = (char)temp_depth_limit; | |
| 1585 int_temp = char_O_array_decotime[x] + temp_decotime; | |
| 1586 if (int_temp > 240) | |
| 1587 char_O_array_decotime[x] = 240; | |
| 1588 else | |
| 1589 char_O_array_decotime[x] = (char)int_temp; | |
| 1590 x = 10; // exit | |
| 1591 } // if | |
| 1592 else | |
| 1593 x++; | |
| 1594 } // else | |
| 1595 } while (x<6); | |
| 1596 if (x == 6) | |
| 1597 { | |
| 1598 int_temp = char_O_array_decotime[6] + temp_decotime; | |
| 1599 if (int_temp > 220) | |
| 1600 char_O_array_decotime[6] = 220; | |
| 1601 else | |
| 1602 char_O_array_decotime[6] = (char)int_temp; | |
| 1603 } // if x == 6 | |
| 1604 } // update_decoarray | |
| 1605 | |
| 1606 | |
| 1607 // ----------------------- | |
| 1608 // calc_gradient_factor // | |
| 1609 // ----------------------- | |
| 165 | 1610 // optimized in v.101 (var_N2_a) |
| 116 | 1611 // new code in v.102 |
| 1612 | |
| 1613 void calc_gradient_factor(void) | |
| 1614 { | |
| 1615 // tissue > respiration (entsaettigungsvorgang) | |
| 1616 // gradient ist wieviel prozent an limit mit basis tissue | |
| 1617 // dh. 0% = respiration == tissue | |
| 1618 // dh. 100% = respiration == limit | |
| 1619 temp_tissue = pres_tissue[char_O_gtissue_no] + pres_tissue[char_O_gtissue_no+16]; | |
| 1620 temp1 = temp_tissue - pres_respiration; | |
| 1621 temp2 = temp_tissue - pres_tissue_limit[char_O_gtissue_no]; // changed in v.102 | |
| 1622 temp2 = temp1/temp2; | |
| 1623 temp2 = temp2 * 100; // displayed in percent | |
| 1624 if (temp2 < 0) | |
| 1625 temp2 = 0; | |
| 1626 if (temp2 > 255) | |
| 1627 temp2 = 255; | |
| 1628 if (temp1 < 0) | |
| 1629 char_O_gradient_factor = 0; | |
| 1630 else | |
| 1631 char_O_gradient_factor = (char)temp2; | |
| 1632 | |
| 1633 temp3 = temp2; | |
| 1634 | |
| 1635 if (char_I_deco_model == 1) // calculate relative gradient factor | |
| 1636 { | |
| 1637 temp1 = (float)temp_depth_GF_low_meter * 0.09995; | |
| 1638 temp2 = pres_respiration - pres_surface; | |
| 1639 if (temp2 <= 0) | |
| 1640 temp1 = GF_high; | |
| 1641 else | |
| 1642 if (temp2 >= temp1) | |
| 1643 temp1 = GF_low; | |
| 1644 else | |
| 1645 temp1 = GF_low + (temp1 - temp2)/temp1*GF_delta; | |
| 1646 if (temp_depth_GF_low_meter == 0) | |
| 1647 temp1 = GF_high; | |
| 1648 temp2 = temp3 / temp1; // temp3 is already in percent | |
| 1649 if (temp2 < 0) | |
| 1650 temp2 = 0; | |
| 1651 if (temp2 > 255) | |
| 1652 temp2 = 255; | |
| 1653 char_O_relative_gradient_GF = (char)temp2; | |
| 1654 } // calc relative gradient factor | |
| 1655 else | |
| 1656 { | |
| 1657 char_O_relative_gradient_GF = char_O_gradient_factor; | |
| 1658 } | |
| 1659 } // calc_gradient | |
| 1660 | |
| 1661 // ------------------------------ | |
| 1662 // deco_calc_desaturation_time // | |
| 1663 // ------------------------------ | |
| 1664 // FIXED N2_ratio | |
| 1665 // unchanged in v.101 | |
| 1666 | |
| 1667 void deco_calc_desaturation_time(void) | |
| 1668 { | |
|
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1669 RESET_C_STACK |
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1670 |
| 126 | 1671 N2_ratio = 0.7902; // FIXED sum as stated in b"uhlmann |
| 1672 pres_surface = (float)int_I_pres_surface / 1000.0; | |
| 1673 temp_atem = N2_ratio * (pres_surface - 0.0627); | |
| 1674 int_O_desaturation_time = 0; | |
| 1675 float_desaturation_multiplier = char_I_desaturation_multiplier / 142.0; // new in v.101 (70,42%/100.=142) | |
| 1676 | |
| 1677 for (ci=0;ci<16;ci++) | |
| 1678 { | |
| 165 | 1679 var_N2_halftime = buhlmann_ht[ci]; |
| 1680 var_He_halftime = buhlmann_ht[ci + 16]; | |
| 116 | 1681 |
| 126 | 1682 // saturation_time (for flight) and N2_saturation in multiples of halftime |
| 1683 // version v.100: 1.1 = 10 percent distance to totally clean (totally clean is not possible, would take infinite time ) | |
| 1684 // new in version v.101: 1.07 = 7 percent distance to totally clean (totally clean is not possible, would take infinite time ) | |
| 1685 // changes in v.101: 1.05 = 5 percent dist to totally clean is new desaturation point for display and noFly calculations | |
| 1686 // N2 | |
| 1687 temp1 = 1.05 * temp_atem; | |
| 1688 temp1 = temp1 - pres_tissue[ci]; | |
| 1689 temp2 = temp_atem - pres_tissue[ci]; | |
| 1690 if (temp2 >= 0.0) | |
| 1691 { | |
| 1692 temp1 = 0; | |
| 1693 temp2 = 0; | |
| 1694 } | |
| 1695 else | |
| 1696 temp1 = temp1 / temp2; | |
| 1697 if (temp1 > 0.0) | |
| 1698 { | |
| 1699 temp1 = log(1.0 - temp1); | |
| 1700 temp1 = temp1 / -0.6931; // temp1 is the multiples of half times necessary. | |
| 1701 // 0.6931 is ln(2), because the math function log() calculates with a base of e not 2 as requested. | |
| 1702 // minus because log is negative | |
| 165 | 1703 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 | 1704 } |
| 1705 else | |
| 1706 { | |
| 1707 temp1 = 0; | |
| 1708 temp2 = 0; | |
| 1709 } | |
| 116 | 1710 |
| 126 | 1711 // He |
| 1712 temp3 = 0.1 - pres_tissue[ci+16]; | |
| 1713 if (temp3 >= 0.0) | |
| 1714 { | |
| 1715 temp3 = 0; | |
| 1716 temp4 = 0; | |
| 1717 } | |
| 1718 else | |
| 1719 temp3 = -1.0 * temp3 / pres_tissue[ci+16]; | |
| 1720 if (temp3 > 0.0) | |
| 1721 { | |
| 1722 temp3 = log(1.0 - temp3); | |
| 1723 temp3 = temp3 / -0.6931; // temp1 is the multiples of half times necessary. | |
| 1724 // 0.6931 is ln(2), because the math function log() calculates with a base of e not 2 as requested. | |
| 1725 // minus because log is negative | |
| 165 | 1726 temp4 = var_He_halftime * temp3 / float_desaturation_multiplier; // time necessary (in minutes ) for "complete" desaturation, new in v.101 float_desaturation_multiplier |
| 126 | 1727 } |
| 1728 else | |
| 1729 { | |
| 1730 temp3 = 0; | |
| 1731 temp4 = 0; | |
| 1732 } | |
| 116 | 1733 |
| 126 | 1734 // saturation_time (for flight) |
| 1735 if (temp4 > temp2) | |
| 1736 int_temp = (int)temp4; | |
| 1737 else | |
| 1738 int_temp = (int)temp2; | |
| 1739 if(int_temp > int_O_desaturation_time) | |
| 1740 int_O_desaturation_time = int_temp; | |
| 116 | 1741 |
| 126 | 1742 // N2 saturation in multiples of halftime for display purposes |
| 1743 temp2 = temp1 * 20.0; // 0 = 1/8, 120 = 0, 249 = 8 | |
| 1744 temp2 = temp2 + 80.0; // set center | |
| 1745 if (temp2 < 0.0) | |
| 1746 temp2 = 0.0; | |
| 1747 if (temp2 > 255.0) | |
| 1748 temp2 = 255.0; | |
| 1749 char_O_tissue_saturation[ci] = (char)temp2; | |
| 1750 // He saturation in multiples of halftime for display purposes | |
| 1751 temp4 = temp3 * 20.0; // 0 = 1/8, 120 = 0, 249 = 8 | |
| 1752 temp4 = temp4 + 80.0; // set center | |
| 1753 if (temp4 < 0.0) | |
| 1754 temp4 = 0.0; | |
| 1755 if (temp4 > 255.0) | |
| 1756 temp4 = 255.0; | |
| 1757 char_O_tissue_saturation[ci+16] = (char)temp4; | |
| 1758 } // for | |
| 116 | 1759 } // deco_calc_desaturation_time |
| 1760 | |
| 1761 | |
| 1762 // -------------------------- | |
| 1763 // calc_wo_deco_step_1_min // | |
| 1764 // -------------------------- | |
| 1765 // FIXED N2 Ratio | |
| 1766 // optimized in v.101 (...saturation_multiplier) | |
| 1767 // desaturation slowed down to 70,42% | |
| 1768 | |
| 1769 void calc_wo_deco_step_1_min(void) | |
| 1770 { | |
| 1771 if(flag_in_divemode) | |
| 1772 { | |
| 1773 flag_in_divemode = 0; | |
| 1774 set_dbg_end_of_dive(); | |
| 1775 } | |
|
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1776 |
| 126 | 1777 N2_ratio = 0.7902; // FIXED, sum lt. buehlmann |
| 1778 pres_respiration = (float)int_I_pres_respiration / 1000.0; // assembler code uses different digit system | |
| 1779 pres_surface = (float)int_I_pres_surface / 1000.0; | |
| 1780 temp_atem = N2_ratio * (pres_respiration - 0.0627); // 0.0627 is the extra pressure in the body | |
| 1781 temp2_atem = 0.0; | |
| 1782 temp_surface = pres_surface; // the b"uhlmann formula using temp_surface does not use the N2_ratio | |
| 1783 float_desaturation_multiplier = char_I_desaturation_multiplier / 142.0; // new in v.101 (70,42%/100.=142) | |
| 1784 float_saturation_multiplier = char_I_saturation_multiplier / 100.0; | |
| 1785 | |
| 1786 calc_tissue_step_1_min(); // update the pressure in the 16 tissues in accordance with the new ambient pressure | |
| 1787 clear_decoarray(); | |
| 1788 char_O_deco_status = 0; | |
| 1789 char_O_nullzeit = 0; | |
| 1790 char_O_ascenttime = 0; | |
| 1791 calc_gradient_factor(); | |
| 116 | 1792 |
| 1793 } // calc_wo_deco_step_1_min(void) | |
| 1794 | |
| 1795 | |
| 1796 // ------------------------- | |
| 1797 // calc_tissue_step_1_min // | |
| 1798 // ------------------------- | |
| 1799 // optimized in v.101 | |
| 1800 | |
| 1801 void calc_tissue_step_1_min(void) | |
| 1802 { | |
| 126 | 1803 char_O_gtissue_no = 255; |
| 1804 pres_gtissue_limit = 0.0; | |
| 1805 | |
| 1806 for (ci=0;ci<16;ci++) | |
| 1807 { | |
| 165 | 1808 read_buhlmann_compartment(1); // 1 minute interval |
| 116 | 1809 |
| 126 | 1810 // N2 1 min |
| 165 | 1811 temp_tissue = (temp_atem - pres_tissue[ci]) * var_N2_e; |
| 126 | 1812 temp_tissue_safety(); |
| 1813 pres_tissue[ci] = pres_tissue[ci] + temp_tissue; | |
| 1814 | |
| 1815 // He 1 min | |
| 165 | 1816 temp_tissue = (temp2_atem - pres_tissue[ci+16]) * var_He_e; |
| 126 | 1817 temp_tissue_safety(); |
| 1818 pres_tissue[ci+16] = pres_tissue[ci+16] + temp_tissue; | |
| 1819 | |
| 1820 temp_tissue = pres_tissue[ci] + pres_tissue[ci+16]; | |
| 165 | 1821 var_N2_a = (var_N2_a * pres_tissue[ci] + var_He_a * pres_tissue[ci+16]) / temp_tissue; |
| 1822 var_N2_b = (var_N2_b * pres_tissue[ci] + var_He_b * pres_tissue[ci+16]) / temp_tissue; | |
| 1823 pres_tissue_limit[ci] = (temp_tissue - var_N2_a) * var_N2_b; | |
| 126 | 1824 if (pres_tissue_limit[ci] < 0) |
| 1825 pres_tissue_limit[ci] = 0; | |
| 1826 if (pres_tissue_limit[ci] > pres_gtissue_limit) | |
| 1827 { | |
| 1828 pres_gtissue_limit = pres_tissue_limit[ci]; | |
| 1829 char_O_gtissue_no = ci; | |
| 1830 }//if | |
| 1831 } // for | |
| 116 | 1832 } // calc wo deco 1min |
| 1833 | |
| 1834 // ---------- | |
| 1835 // deco_hash // | |
| 1836 // ---------- | |
| 1837 void deco_hash(void) | |
| 1838 { | |
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1839 RESET_C_STACK |
| 126 | 1840 |
| 1841 // init | |
| 164 | 1842 for(md_i=0;md_i<16;md_i++) |
| 126 | 1843 { |
| 1844 md_state[md_i] = 0; | |
| 164 | 1845 char_O_hash[md_i] = 0; |
| 126 | 1846 } // for md_i 16 |
| 116 | 1847 |
| 126 | 1848 _asm |
| 165 | 1849 movlw 0x01 // md_pi address. |
| 126 | 1850 movwf TBLPTRU,0 |
| 1851 movlw 0x06 | |
| 1852 movwf TBLPTRH,0 | |
| 1853 movlw 0x00 | |
| 1854 movwf TBLPTRL,0 | |
| 1855 _endasm; | |
| 165 | 1856 md_i = 0; |
| 1857 do { | |
| 126 | 1858 _asm |
| 1859 TBLRDPOSTINC | |
| 1860 movff TABLAT,md_temp | |
| 1861 _endasm | |
| 165 | 1862 md_pi_subst[md_i++] = md_temp; |
| 1863 } while( md_i != 0 ); | |
| 1864 | |
| 126 | 1865 _asm |
| 1866 movlw 0x00 | |
| 1867 movwf TBLPTRU,0 | |
| 1868 movlw 0x00 | |
| 1869 movwf TBLPTRH,0 | |
| 1870 movlw 0x00 | |
| 1871 movwf TBLPTRL,0 | |
| 1872 _endasm | |
| 1873 // cycle buffers | |
| 1874 for (md_pointer=0x0000;md_pointer<0x17f3;md_pointer++) | |
| 1875 { | |
| 1876 md_t = 0; | |
| 1877 for (md_i=0;md_i<16;md_i++) | |
| 1878 { | |
| 1879 if(md_pointer == 9) | |
| 164 | 1880 md_temp = char_O_hash[md_i]; |
| 126 | 1881 else |
| 1882 { | |
| 1883 _asm | |
| 1884 TBLRDPOSTINC | |
| 1885 movff TABLAT,md_temp | |
| 1886 _endasm | |
| 1887 } // else | |
| 1888 md_buffer[md_i] = md_temp; | |
| 1889 md_state[md_i+16] = md_buffer[md_i]; | |
| 1890 md_state[md_i+32] = (unsigned char)(md_buffer[md_i] ^ md_state[md_i]); | |
| 1891 } // for md_i 16 | |
| 1892 | |
| 1893 for (md_i=0;md_i<18;md_i++) | |
| 1894 { | |
| 1895 for (md_j=0;md_j<48;md_j++) | |
| 1896 { | |
| 1897 md_state[md_j] = (unsigned char)(md_state[md_j] ^ md_pi_subst[md_t]); | |
| 1898 md_t = md_state[md_j]; | |
| 1899 } // for md_j 48 | |
| 1900 md_t = (unsigned char)(md_t+1); | |
| 1901 } // for md_i 18 | |
| 164 | 1902 md_t = char_O_hash[15]; |
| 126 | 1903 |
| 1904 for (md_i=0;md_i<16;md_i++) | |
| 1905 { | |
| 164 | 1906 char_O_hash[md_i] = (unsigned char)(char_O_hash[md_i] ^ md_pi_subst[(md_buffer[md_i] ^ md_t)]); |
| 1907 md_t = char_O_hash[md_i]; | |
| 126 | 1908 } // for md_i 16 |
| 1909 } // for md_pointer | |
| 116 | 1910 } // void deco_hash(void) |
| 1911 | |
| 1912 // --------------------- | |
| 1913 // deco_clear_CNS_fraction // | |
| 1914 // --------------------- | |
| 1915 // new in v.101 | |
| 1916 | |
| 1917 void deco_clear_CNS_fraction(void) | |
| 1918 { | |
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1919 RESET_C_STACK |
| 126 | 1920 CNS_fraction = 0.0; |
| 1921 char_O_CNS_fraction = 0; | |
| 116 | 1922 } // void deco_clear_CNS_fraction(void) |
| 1923 | |
| 1924 | |
| 1925 // ------------------------- | |
| 1926 // deco_calc_CNS_fraction // | |
| 1927 // ------------------------- | |
| 1928 // new in v.101 | |
| 1929 // optimized in v.102 : with new variables char_I_actual_ppO2 and actual_ppO2 | |
| 1930 | |
| 1931 // Input: char_I_actual_ppO2 | |
| 1932 // Output: char_O_CNS_fraction | |
| 1933 // Uses and Updates: CNS_fraction | |
| 1934 // Uses: acutal_ppO2 | |
| 1935 | |
| 1936 void deco_calc_CNS_fraction(void) | |
| 1937 { | |
| 126 | 1938 RESET_C_STACK |
| 1939 actual_ppO2 = (float)char_I_actual_ppO2 / 100.0; | |
| 116 | 1940 |
| 126 | 1941 if (char_I_actual_ppO2 < 50) |
| 1942 CNS_fraction = CNS_fraction;// no changes | |
| 1943 else if (char_I_actual_ppO2 < 60) | |
| 1944 CNS_fraction = 1/(-54000.0 * actual_ppO2 + 54000.0) + CNS_fraction; | |
| 1945 else if (char_I_actual_ppO2 < 70) | |
| 1946 CNS_fraction = 1/(-45000.0 * actual_ppO2 + 48600.0) + CNS_fraction; | |
| 1947 else if (char_I_actual_ppO2 < 80) | |
| 1948 CNS_fraction = 1/(-36000.0 * actual_ppO2 + 42300.0) + CNS_fraction; | |
| 1949 else if (char_I_actual_ppO2 < 90) | |
| 1950 CNS_fraction = 1/(-27000.0 * actual_ppO2 + 35100.0) + CNS_fraction; | |
| 1951 else if (char_I_actual_ppO2 < 110) | |
| 1952 CNS_fraction = 1/(-18000.0 * actual_ppO2 + 27000.0) + CNS_fraction; | |
| 1953 else if (char_I_actual_ppO2 < 150) | |
| 1954 CNS_fraction = 1/(-9000.0 * actual_ppO2 + 17100.0) + CNS_fraction; | |
| 1955 else if (char_I_actual_ppO2 < 160) | |
| 1956 CNS_fraction = 1/(-22500.0 * actual_ppO2 + 37350.0) + CNS_fraction; | |
| 1957 else if (char_I_actual_ppO2 < 165) | |
| 1958 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 | |
| 1959 else if (char_I_actual_ppO2 < 170) | |
| 1960 CNS_fraction = 0.00102 + CNS_fraction; // example calculation: Sqrt((1.7/1.55)^20)*0.000404 | |
| 1961 else if (char_I_actual_ppO2 < 175) | |
| 1962 CNS_fraction = 0.00136 + CNS_fraction; | |
| 1963 else if (char_I_actual_ppO2 < 180) | |
| 1964 CNS_fraction = 0.00180 + CNS_fraction; | |
| 1965 else if (char_I_actual_ppO2 < 185) | |
| 1966 CNS_fraction = 0.00237 + CNS_fraction; | |
| 1967 else if (char_I_actual_ppO2 < 190) | |
| 1968 CNS_fraction = 0.00310 + CNS_fraction; | |
| 1969 else if (char_I_actual_ppO2 < 195) | |
| 1970 CNS_fraction = 0.00401 + CNS_fraction; | |
| 1971 else if (char_I_actual_ppO2 < 200) | |
| 1972 CNS_fraction = 0.00517 + CNS_fraction; | |
| 1973 else if (char_I_actual_ppO2 < 230) | |
| 1974 CNS_fraction = 0.0209 + CNS_fraction; | |
| 1975 else | |
| 1976 CNS_fraction = 0.0482 + CNS_fraction; // value for 2.5 | |
| 116 | 1977 |
| 126 | 1978 if (CNS_fraction > 2.5) |
| 1979 CNS_fraction = 2.5; | |
| 1980 if (CNS_fraction < 0.0) | |
| 1981 CNS_fraction = 0.0; | |
| 1982 | |
| 1983 char_O_CNS_fraction = (char)((CNS_fraction + 0.005)* 100.0); | |
| 116 | 1984 } // void deco_calc_CNS_fraction(void) |
| 1985 | |
| 1986 // ------------------------------- | |
| 1987 // deco_calc_CNS_decrease_15min // | |
| 1988 // ------------------------------- | |
| 1989 // new in v.101 | |
| 1990 | |
| 1991 // calculates the half time of 90 minutes in 6 steps of 15 min | |
| 1992 | |
| 1993 // Output: char_O_CNS_fraction | |
| 1994 // Uses and Updates: CNS_fraction | |
| 1995 | |
| 1996 void deco_calc_CNS_decrease_15min(void) | |
| 1997 { | |
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1998 RESET_C_STACK |
| 126 | 1999 CNS_fraction = 0.890899 * CNS_fraction; |
| 2000 char_O_CNS_fraction = (char)((CNS_fraction + 0.005)* 100.0); | |
| 116 | 2001 }// deco_calc_CNS_decrease_15min(void) |
| 2002 | |
| 2003 | |
| 2004 // ----------------------- | |
| 2005 // deco_calc_percentage // | |
| 2006 // ----------------------- | |
| 2007 // new in v.101 | |
| 2008 | |
| 2009 // calculates int_I_temp * char_I_temp / 100 | |
| 2010 // output is int_I_temp | |
| 2011 | |
| 2012 void deco_calc_percentage(void) | |
| 2013 { | |
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2014 RESET_C_STACK |
| 126 | 2015 temp1 = (float)int_I_temp; |
| 2016 temp2 = (float)char_I_temp / 100.0; | |
| 2017 temp3 = temp1 * temp2; | |
| 2018 int_I_temp = (int)temp3; | |
| 116 | 2019 } |
| 2020 | |
| 2021 void deco_push_tissues_to_vault(void) | |
| 2022 { | |
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2023 RESET_C_STACK |
| 116 | 2024 cns_vault = CNS_fraction; |
| 2025 for (ci=0;ci<32;ci++) | |
| 2026 pres_tissue_vault[ci] = pres_tissue[ci]; | |
| 2027 } | |
| 2028 void deco_pull_tissues_from_vault(void) | |
| 2029 { | |
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2030 RESET_C_STACK |
| 116 | 2031 CNS_fraction = cns_vault; |
| 2032 for (ci=0;ci<32;ci++) | |
| 2033 pres_tissue[ci] = pres_tissue_vault[ci]; | |
| 2034 } | |
| 2035 | |
| 164 | 2036 void main() {} |