Mercurial > public > mk2
annotate code_part1/OSTC_code_c_part2/p2_deco.c @ 164:999abb01c78f
+ Change data allocation scheme
| author | JeanDo |
|---|---|
| date | Fri, 21 Jan 2011 01:44:38 +0100 |
| parents | 144822282fa3 |
| children | 8b5b848db4cd |
| 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; | |
| 147 static float var_a; | |
| 148 static float var2_a; | |
| 149 static float var_b; | |
| 150 static float var2_b; | |
| 151 static float var_t05nc; | |
| 152 static float var2_t05nc; | |
| 153 static float var_e2secs; | |
| 154 static float var2_e2secs; | |
| 155 static float var_e1min; | |
| 156 static float var2_e1min; | |
| 157 static float var_halftimes; | |
| 158 static float var2_halftimes; | |
| 159 static float pres_gtissue_limit; | |
| 160 static float temp_pres_gtissue_limit; | |
| 164 | 161 static float actual_ppO2; // new in v.102 |
| 116 | 162 |
| 164 | 163 static float pres_diluent; // new in v.101 |
| 164 static float deco_diluent; // new in v.101 | |
| 165 static float const_ppO2; // new in v.101 | |
| 166 static float deco_ppO2_change; // new in v.101 | |
| 167 static float deco_ppO2; // new in v.101 | |
| 116 | 168 |
| 163 | 169 //---- Bank 6 parameters ----------------------------------------------------- |
| 170 #pragma udata bank6=0x600 | |
| 116 | 171 |
| 164 | 172 static float pres_tissue[32]; |
| 116 | 173 static float pres_tissue_limit[16]; |
| 174 static float sim_pres_tissue_limit[16]; | |
| 175 | |
| 163 | 176 //---- Bank 7 parameters ----------------------------------------------------- |
| 177 #pragma udata bank7=0x700 | |
| 178 | |
| 179 static float sim_pres_tissue[32]; // 32 floats = 128 bytes. | |
| 116 | 180 static float sim_pres_tissue_backup[32]; |
| 181 | |
| 163 | 182 //---- Bank 8 parameters ----------------------------------------------------- |
| 116 | 183 #pragma udata bank8=0x800 |
| 163 | 184 |
| 116 | 185 static char md_pi_subst[256]; |
|
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|
186 #define C_STACK md_pi_subst // Overlay C-code data stack here, too. |
| 116 | 187 |
| 163 | 188 //---- Bank 9 parameters ----------------------------------------------------- |
| 116 | 189 #pragma udata bank9a=0x900 |
| 190 | |
| 163 | 191 static char md_state[48]; // DONT MOVE !! // has to be at the beginning of bank 9 for the asm code!!! |
| 116 | 192 |
| 164 | 193 static char md_t; |
| 194 static char md_buffer[16]; | |
| 195 static unsigned char md_i; | |
| 196 static char md_j; | |
| 197 static char md_temp; | |
| 198 static unsigned int md_pointer; | |
| 199 static float deco_N2_ratio; // new in v.101 | |
| 200 static float deco_He_ratio; // new in v.101 | |
| 201 static float calc_N2_ratio; // new in v.101 | |
| 202 static float calc_He_ratio; // new in v.101 | |
| 203 static float deco_gas_change; // new in v.101 | |
| 204 static float CNS_fraction; // new in v.101 | |
| 205 static float float_saturation_multiplier; // new in v.101 | |
| 206 static float float_desaturation_multiplier; // new in v.101 | |
| 207 static float float_deco_distance; // new in v.101 | |
| 116 | 208 |
| 164 | 209 // internal, dbg: |
| 210 static unsigned char DBG_char_I_deco_model; // new in v.108 | |
| 211 static unsigned char DBG_char_I_depth_last_deco; // new in v.108 | |
| 212 static float DBG_pres_surface; // new in v.108 | |
| 213 static float DBG_GF_low; // new in v.108 | |
| 214 static float DBG_GF_high; // new in v.108 | |
| 215 static float DBG_const_ppO2; // new in v.108 | |
| 216 static float DBG_deco_ppO2_change; // new in v.108 | |
| 217 static float DBG_deco_ppO2; // new in v.108 | |
| 218 static float DBG_deco_N2_ratio; // new in v.108 | |
| 219 static float DBG_deco_He_ratio; // new in v.108 | |
| 220 static float DBG_deco_gas_change; // new in v.108 | |
| 221 static float DBG_float_saturation_multiplier; // new in v.108 | |
| 222 static float DBG_float_desaturation_multiplier; // new in v.108 | |
| 223 static float DBG_float_deco_distance; // new in v.108 | |
| 224 static float DBG_deco_N2_ratio; // new in v.108 | |
| 225 static float DBG_deco_He_ratio; // new in v.108 | |
| 226 static float DBG_N2_ratio; // new in v.108 | |
| 227 static float DBG_He_ratio; // new in v.108 | |
| 228 static char flag_in_divemode; // new in v.108 | |
| 229 static int int_dbg_i; // new in v.108 | |
| 230 static unsigned int temp_DBS; | |
| 116 | 231 |
| 164 | 232 static float deco_gas_change2; // new in v.109 |
| 233 static float deco_gas_change3; // new in v.109 | |
| 234 static float deco_gas_change4; // new in v.109 | |
| 235 static float deco_gas_change5; // new in v.109 | |
| 236 | |
| 237 static float deco_N2_ratio2; // new in v.109 | |
| 238 static float deco_N2_ratio3; // new in v.109 | |
| 239 static float deco_N2_ratio4; // new in v.109 | |
| 240 static float deco_N2_ratio5; // new in v.109 | |
| 241 static float deco_He_ratio2; // new in v.109 | |
| 242 static float deco_He_ratio3; // new in v.109 | |
| 243 static float deco_He_ratio4; // new in v.109 | |
| 244 static float deco_He_ratio5; // new in v.109 | |
| 116 | 245 |
| 246 // *********************** | |
| 247 // *********************** | |
| 248 // ** THE LOOKUP TABLES ** | |
| 249 // *********************** | |
| 250 // *********************** | |
| 251 | |
| 252 #pragma romdata tables = 0x10200 | |
| 253 #include "p2_tables.romdata" // new table for deco_main_v.101 (var_a modified) | |
| 254 | |
| 255 #pragma romdata tables2 = 0x10600 | |
| 256 rom const rom unsigned int md_pi[] = | |
| 257 { | |
| 258 0x292E, 0x43C9, 0xA2D8, 0x7C01, 0x3D36, 0x54A1, 0xECF0, 0x0613 | |
| 259 , 0x62A7, 0x05F3, 0xC0C7, 0x738C, 0x9893, 0x2BD9, 0xBC4C, 0x82CA | |
| 260 , 0x1E9B, 0x573C, 0xFDD4, 0xE016, 0x6742, 0x6F18, 0x8A17, 0xE512 | |
| 261 , 0xBE4E, 0xC4D6, 0xDA9E, 0xDE49, 0xA0FB, 0xF58E, 0xBB2F, 0xEE7A | |
| 262 , 0xA968, 0x7991, 0x15B2, 0x073F, 0x94C2, 0x1089, 0x0B22, 0x5F21 | |
| 263 , 0x807F, 0x5D9A, 0x5A90, 0x3227, 0x353E, 0xCCE7, 0xBFF7, 0x9703 | |
| 264 , 0xFF19, 0x30B3, 0x48A5, 0xB5D1, 0xD75E, 0x922A, 0xAC56, 0xAAC6 | |
| 265 , 0x4FB8, 0x38D2, 0x96A4, 0x7DB6, 0x76FC, 0x6BE2, 0x9C74, 0x04F1 | |
| 266 , 0x459D, 0x7059, 0x6471, 0x8720, 0x865B, 0xCF65, 0xE62D, 0xA802 | |
| 267 , 0x1B60, 0x25AD, 0xAEB0, 0xB9F6, 0x1C46, 0x6169, 0x3440, 0x7E0F | |
| 268 , 0x5547, 0xA323, 0xDD51, 0xAF3A, 0xC35C, 0xF9CE, 0xBAC5, 0xEA26 | |
| 269 , 0x2C53, 0x0D6E, 0x8528, 0x8409, 0xD3DF, 0xCDF4, 0x4181, 0x4D52 | |
| 270 , 0x6ADC, 0x37C8, 0x6CC1, 0xABFA, 0x24E1, 0x7B08, 0x0CBD, 0xB14A | |
| 271 , 0x7888, 0x958B, 0xE363, 0xE86D, 0xE9CB, 0xD5FE, 0x3B00, 0x1D39 | |
| 272 , 0xF2EF, 0xB70E, 0x6658, 0xD0E4, 0xA677, 0x72F8, 0xEB75, 0x4B0A | |
| 273 , 0x3144, 0x50B4, 0x8FED, 0x1F1A, 0xDB99, 0x8D33, 0x9F11, 0x8314 | |
| 274 }; | |
| 275 | |
| 276 // ********************* | |
| 277 // ********************* | |
| 278 // ** THE SUBROUTINES ** | |
| 279 // ********************* | |
| 280 // ********************* | |
| 281 // all new in v.102 | |
| 282 // moved from 0x0D000 to 0x0C000 in v.108 | |
| 283 | |
| 284 #pragma code p2_deco = 0x0C000 | |
| 285 | |
| 286 // ------------------------------- | |
| 287 // DBS - debug on start of dive // | |
| 288 // ------------------------------- | |
| 289 void create_dbs_set_dbg_and_ndl20mtr(void) | |
| 290 { | |
| 291 int_O_DBS_bitfield = 0; | |
| 292 int_O_DBS2_bitfield = 0; | |
| 293 if(int_O_DBG_pre_bitfield & DBG_RUN) | |
| 294 int_O_DBG_pre_bitfield = DBG_RESTART; | |
| 295 else | |
| 296 int_O_DBG_pre_bitfield = DBG_RUN; | |
| 297 int_O_DBG_post_bitfield = 0; | |
| 298 char_O_NDL_at_20mtr = 255; | |
| 299 | |
| 300 DBG_N2_ratio = N2_ratio; | |
| 301 DBG_He_ratio = He_ratio; | |
| 302 DBG_char_I_deco_model = char_I_deco_model; | |
| 303 DBG_char_I_depth_last_deco = char_I_depth_last_deco; | |
| 304 DBG_pres_surface = pres_surface; | |
| 305 DBG_GF_low = GF_low; | |
| 306 DBG_GF_high = GF_high; | |
| 307 DBG_const_ppO2 = const_ppO2; | |
| 308 DBG_deco_ppO2_change = deco_ppO2_change; | |
| 309 DBG_deco_ppO2 = deco_ppO2; | |
| 310 DBG_deco_N2_ratio = deco_N2_ratio; | |
| 311 DBG_deco_He_ratio = deco_He_ratio; | |
| 312 DBG_deco_gas_change = deco_gas_change; | |
| 313 DBG_float_saturation_multiplier = float_saturation_multiplier; | |
| 314 DBG_float_desaturation_multiplier = float_desaturation_multiplier; | |
| 315 DBG_float_deco_distance = float_deco_distance; | |
| 316 | |
| 317 if(char_I_deco_model) | |
| 318 int_O_DBS_bitfield |= DBS_mode; | |
| 319 if(const_ppO2) | |
| 320 int_O_DBS_bitfield |= DBS_ppO2; | |
| 321 for(int_dbg_i = 16; int_dbg_i < 32; int_dbg_i++) | |
| 322 if(pres_tissue[int_dbg_i]) | |
| 323 int_O_DBS_bitfield |= DBS_HE_sat; | |
| 324 if(deco_ppO2_change) | |
| 325 int_O_DBS_bitfield |= DBS_ppO2chg; | |
| 326 if(float_saturation_multiplier < 0.99) | |
| 327 int_O_DBS_bitfield |= DBS_SAT2l; | |
| 328 if(float_saturation_multiplier > 1.3) | |
| 329 int_O_DBS_bitfield |= DBS_SAT2h; | |
| 330 if(GF_low < 0.19) | |
| 331 int_O_DBS_bitfield |= DBS_GFLOW2l; | |
| 332 if(GF_low > 1.01) | |
| 333 int_O_DBS_bitfield |= DBS_GFLOW2h; | |
| 334 if(GF_high < 0.6) | |
| 335 int_O_DBS_bitfield |= DBS_GFHGH2l; | |
| 336 if(GF_high > 1.01) | |
| 337 int_O_DBS_bitfield |= DBS_GFHGH2h; | |
| 338 if((N2_ratio + He_ratio) > 0.95) | |
| 339 int_O_DBS_bitfield |= DBS_GASO22l; | |
| 340 if((N2_ratio + He_ratio) < 0.05) | |
| 341 int_O_DBS_bitfield |= DBS_GASO22h; | |
| 342 if(float_deco_distance > 0.25) | |
| 343 int_O_DBS_bitfield |= DBS_DIST2h; | |
| 344 if(char_I_depth_last_deco > 8) | |
| 345 int_O_DBS_bitfield |= DBS_LAST2h; | |
| 346 if(DBG_deco_gas_change && ((deco_N2_ratio + deco_He_ratio) > 0.95)) | |
| 347 int_O_DBS_bitfield |= DBS_DECOO2l; | |
| 348 if(DBG_deco_gas_change && ((deco_N2_ratio + deco_He_ratio) < 0.05)) | |
| 349 int_O_DBS_bitfield |= DBS_DECOO2h; | |
| 350 if(pres_respiration > 3.0) | |
| 351 int_O_DBS2_bitfield |= DBS2_PRES2h; | |
| 352 if(pres_surface - pres_respiration > 0.2) | |
| 353 int_O_DBS2_bitfield |= DBS2_PRES2l; | |
| 354 if(pres_surface < 0.75) | |
| 355 int_O_DBS2_bitfield |= DBS2_SURF2l; | |
| 356 if(pres_surface > 1.11) | |
| 357 int_O_DBS2_bitfield |= DBS2_SURF2h; | |
| 358 if(float_desaturation_multiplier < 0.70) | |
| 359 int_O_DBS2_bitfield |= DBS2_DESAT2l; | |
| 360 if(float_desaturation_multiplier > 1.01) | |
| 361 int_O_DBS2_bitfield |= DBS2_DESAT2h; | |
| 362 if(GF_low > GF_high) | |
| 363 int_O_DBS2_bitfield |= DBS2_GFDneg; | |
| 364 } | |
| 365 | |
| 366 // ------------------------------- | |
| 367 // DBG - set DBG to end_of_dive // | |
| 368 // ------------------------------- | |
| 369 void set_dbg_end_of_dive(void) | |
| 370 { | |
| 371 int_O_DBG_pre_bitfield &= (~DBG_RUN); | |
| 372 int_O_DBG_post_bitfield &= (~DBG_RUN); | |
| 373 } | |
| 374 | |
| 375 // ------------------------------- | |
| 376 // DBG - NDL at first 20 m. hit // | |
| 377 // ------------------------------- | |
| 378 void check_ndl(void) | |
| 379 { | |
| 380 if((char_O_NDL_at_20mtr == -1) && (int_I_pres_respiration > 3000)) | |
| 381 { | |
| 382 char_O_NDL_at_20mtr = char_O_nullzeit; | |
| 383 if(char_O_NDL_at_20mtr == 255) | |
| 384 char_O_NDL_at_20mtr == 254; | |
| 385 } | |
| 386 } | |
| 387 | |
| 388 // ------------------------------- | |
| 389 // DBG - multi main during dive // | |
| 390 // ------------------------------- | |
|
122
3003a8040b78
FIX again reset C data stack and frame pointer when entering C code.
JeanDo
parents:
116
diff
changeset
|
391 void check_dbg(static char is_post_check) |
| 116 | 392 { |
| 393 temp_DBS = 0; | |
| 394 if( (DBG_N2_ratio != N2_ratio) || (DBG_He_ratio != He_ratio) ) | |
| 395 temp_DBS |= DBG_c_gas; | |
| 396 if(DBG_const_ppO2 != const_ppO2) | |
| 397 temp_DBS |= DBG_c_ppO2; | |
| 398 if((DBG_float_saturation_multiplier != float_saturation_multiplier) || (DBG_float_desaturation_multiplier != float_desaturation_multiplier)) | |
| 399 temp_DBS |= DBG_CdeSAT; | |
| 400 if(DBG_char_I_deco_model != char_I_deco_model) | |
| 401 temp_DBS |= DBG_C_MODE; | |
| 402 if(DBG_pres_surface != pres_surface) | |
| 403 temp_DBS |= DBG_C_SURF; | |
| 404 if((!DBS_HE_sat) && (!He_ratio)) | |
| 405 for(int_dbg_i = 16; int_dbg_i < 32; int_dbg_i++) | |
| 406 if(pres_tissue[int_dbg_i]) | |
| 407 temp_DBS |= DBG_HEwoHE; | |
| 408 if(DBG_deco_ppO2 != deco_ppO2) | |
| 409 temp_DBS |= DBG_C_DPPO2; | |
| 410 if((DBG_deco_gas_change != deco_gas_change) || (DBG_deco_N2_ratio != deco_N2_ratio) || (DBG_deco_He_ratio != deco_He_ratio)) | |
| 411 temp_DBS |= DBG_C_DGAS; | |
| 412 if(DBG_float_deco_distance != float_deco_distance) | |
| 413 temp_DBS |= DBG_C_DIST; | |
| 414 if(DBG_char_I_depth_last_deco != char_I_depth_last_deco) | |
| 415 temp_DBS |= DBG_C_LAST; | |
| 416 if((DBG_GF_low != GF_low) || (DBG_GF_high != GF_high)) | |
| 417 temp_DBS |= DBG_C_GF; | |
| 418 if(pres_respiration > 13.0) | |
| 419 temp_DBS |= DBG_PHIGH; | |
| 420 if(pres_surface - pres_respiration > 0.2) | |
| 421 temp_DBS |= DBG_PLOW; | |
| 422 if(is_post_check) | |
| 423 int_O_DBG_post_bitfield |= temp_DBS; | |
| 424 else | |
| 425 int_O_DBG_pre_bitfield |= temp_DBS; | |
| 426 } | |
| 427 | |
| 428 // ------------------------------- | |
| 429 // DBG - prior to calc. of dive // | |
| 430 // ------------------------------- | |
| 431 void check_pre_dbg(void) | |
| 432 { | |
| 433 check_dbg(0); | |
| 434 } | |
| 435 | |
| 436 // ------------------------------- | |
| 437 // DBG - after decocalc of dive // | |
| 438 // ------------------------------- | |
| 439 void check_post_dbg(void) | |
| 440 { | |
| 441 check_dbg(1); | |
| 442 } | |
| 443 | |
| 444 // ------------------------- | |
| 445 // calc_next_decodepth_GF // | |
| 446 // ------------------------- | |
| 447 // new in v.102 | |
| 448 void calc_nextdecodepth_GF(void) | |
| 449 { | |
| 450 // INPUT, changing during dive: | |
| 451 // temp_pres_gtissue_limit_GF_low | |
| 452 // temp_pres_gtissue_limit_GF_low_below_surface | |
| 453 // temp_pres_gtissue | |
| 454 // temp_pres_gtissue_diff | |
| 455 // lock_GF_depth_list | |
| 456 | |
| 457 // INPUT, fixed during dive: | |
| 458 // pres_surface | |
| 459 // GF_delta | |
| 460 // GF_high | |
| 461 // GF_low | |
| 462 // temp_depth_last_deco | |
| 463 // float_deco_distance | |
| 464 | |
| 465 // OUTPUT | |
| 466 // GF_step | |
| 467 // temp_deco | |
| 468 // temp_depth_limt | |
| 469 // lock_GF_depth_list | |
| 470 | |
| 471 // USES | |
| 472 // temp1 | |
| 473 // temp2 | |
| 474 // int_temp | |
| 475 | |
| 476 char_I_table_deco_done[0] = 0; // safety if changed somewhere else. Needed for exit | |
| 477 if (char_I_deco_model == 1) | |
| 478 { | |
| 479 if (lock_GF_depth_list == 0) | |
| 480 { | |
| 481 temp2 = temp_pres_gtissue_limit_GF_low_below_surface / 0.29985; // = ... / 99.95 / 0.003; | |
| 482 int_temp = (int) (temp2 + 0.99); | |
| 483 if (int_temp > 31) | |
| 484 int_temp = 31; // deepest deco at 93 meter (31 deco stops) | |
| 485 if (int_temp < 0) | |
| 486 int_temp = 0; | |
| 487 temp_depth_GF_low_number = int_temp; | |
| 488 temp_depth_GF_low_meter = 3 * temp_depth_GF_low_number; | |
| 489 temp2 = (float)temp_depth_GF_low_meter * 0.09995; | |
| 490 temp_pres_deco_GF_low = temp2 + float_deco_distance + pres_surface; | |
| 491 if (temp_depth_GF_low_number == 0) | |
| 492 GF_step = 0; | |
| 493 else | |
| 494 GF_step = GF_delta / (float)temp_depth_GF_low_number; | |
| 495 if (GF_step < 0) | |
| 496 GF_step = 0; | |
| 497 if (GF_step > GF_delta) | |
| 498 GF_step = GF_delta; | |
| 499 int_O_GF_step = (int)(GF_step * 10000); | |
| 500 int_O_limit_GF_low = (int)(temp_pres_deco_GF_low * 1000); | |
| 501 int_O_gtissue_press_at_GF_low = (int)(temp_pres_gtissue * 1000); | |
| 502 char_O_GF_low_pointer = temp_depth_GF_low_number; | |
| 503 lock_GF_depth_list = 1; | |
| 504 internal_deco_pointer = 0; | |
| 505 } | |
| 506 if (internal_deco_pointer == 0) // new run | |
| 507 { | |
| 508 internal_deco_pointer = temp_depth_GF_low_number; | |
| 509 GF_temp = GF_high - ((float)internal_deco_pointer * GF_step); | |
| 510 int_temp = char_I_table_deco_done[internal_deco_pointer]; | |
| 511 output[8] = int_temp; | |
| 512 output[9] = 33; | |
| 513 } | |
| 514 else | |
| 515 { | |
| 516 int_temp = 1; | |
| 517 } | |
| 518 while (int_temp == 1) | |
| 519 { | |
| 520 int_temp = internal_deco_pointer - 1; | |
| 521 if (int_temp == 1) // new in v104 | |
| 522 { | |
| 523 temp2 = (float)(temp_depth_last_deco * int_temp) * 0.09995; | |
| 524 GF_step2 = GF_step/3.0 * ((float)(6 - temp_depth_last_deco)); | |
| 525 } | |
| 526 else | |
| 527 if (int_temp == 0) | |
| 528 { | |
| 529 temp2 = 0.0; | |
| 530 GF_step2 = GF_high - GF_temp; | |
| 531 } | |
| 532 else | |
| 533 { | |
| 534 temp2 = (float)(3 *int_temp) * 0.09995; | |
| 535 GF_step2 = GF_step; | |
| 536 } | |
| 537 temp2 = temp2 + pres_surface; // next deco stop to be tested | |
| 538 temp1 = ((GF_temp + GF_step2)* temp_pres_gtissue_diff) + temp_pres_gtissue; // upper limit (lowest pressure allowed) // changes GF_step2 in v104 | |
| 539 if (temp1 > temp2) // check if ascent to next deco stop is ok | |
| 540 { | |
| 541 int_temp = 0; // no | |
| 542 } | |
| 543 else | |
| 544 { | |
| 545 internal_deco_pointer = int_temp; | |
| 546 GF_temp = GF_temp + GF_step2; // changed in v104 | |
| 547 int_temp = char_I_table_deco_done[internal_deco_pointer]; // yes and check for ascent to even next stop if deco_done is set | |
| 548 } | |
| 549 } // while | |
| 550 if (internal_deco_pointer > 0) | |
| 551 { | |
| 552 temp2 = (float)(0.29985 * internal_deco_pointer); | |
| 553 temp_deco = temp2 + float_deco_distance + pres_surface; | |
| 554 if (internal_deco_pointer == 1) // new in v104 | |
| 555 temp_depth_limit = temp_depth_last_deco; | |
| 556 else | |
| 557 temp_depth_limit = 3 * internal_deco_pointer; | |
| 558 if (output[9] == 33) | |
| 559 { | |
| 560 output[9] = internal_deco_pointer; | |
| 561 output[10] = char_I_table_deco_done[internal_deco_pointer]; | |
| 562 output[12] = output[12] + 1; | |
| 563 if (output[12] == 100) | |
| 564 output[12] = 0; | |
| 565 } | |
| 566 } | |
| 567 else // if (char_I_deco_model == 1) | |
| 568 { | |
| 569 temp_deco = pres_surface; | |
| 570 temp_depth_limit = 0; | |
| 571 } | |
| 572 } | |
| 573 else | |
| 574 { | |
| 575 // calc_nextdecodepth - original | |
| 576 // optimized in v.101 | |
| 577 // depth_last_deco included in v.101 | |
| 578 | |
| 579 temp1 = temp_pres_gtissue_limit - pres_surface; | |
| 580 if (temp1 >= 0) | |
| 581 { | |
| 582 temp1 = temp1 / 0.29985; // = temp1 / 99.95 / 0.003; | |
| 583 temp_depth_limit = (int) (temp1 + 0.99); | |
| 584 temp_depth_limit = 3 * temp_depth_limit; // depth for deco [m] | |
| 585 if (temp_depth_limit == 0) | |
| 586 temp_deco = pres_surface; | |
| 587 else | |
| 588 { | |
| 589 if (temp_depth_limit < temp_depth_last_deco) | |
| 590 temp_depth_limit = temp_depth_last_deco; | |
| 591 temp1 = (float)temp_depth_limit * 0.09995; | |
| 592 temp_deco = temp1 + float_deco_distance + pres_surface; // depth for deco [bar] | |
| 593 } // if (temp_depth_limit == 0) | |
| 594 } // if (temp1 >= 0) | |
| 595 else | |
| 596 { | |
| 597 temp_deco = pres_surface; | |
| 598 temp_depth_limit = 0; | |
| 599 } // if (temp1 >= 0) | |
| 600 } // calc_nextdecodepth original | |
| 601 } // calc_nextdecodepth_GF | |
| 602 | |
| 603 | |
| 604 // --------------------- | |
| 605 // copy_deco_table_GF // | |
| 606 // --------------------- | |
| 607 // new in v.102 | |
| 608 void copy_deco_table_GF(void) | |
| 609 { | |
| 610 if (char_I_deco_model == 1) | |
| 611 { | |
| 126 | 612 for (ci=0;ci<32;ci++) |
| 116 | 613 char_O_deco_table[ci] = internal_deco_table[ci]; |
| 614 } | |
| 615 } // copy_deco_table_GF | |
| 616 | |
| 617 | |
| 618 // ------------------------------ | |
| 619 // clear_internal_deco_table_GF// | |
| 620 // ------------------------------ | |
| 621 // new in v.102 | |
| 622 void clear_internal_deco_table_GF(void) | |
| 623 { | |
| 624 if (char_I_deco_model == 1) | |
| 625 { | |
| 626 for (ci=0;ci<32;ci++) // cycle through the 16 b"uhlmann tissues for Helium | |
| 627 { | |
| 628 internal_deco_table[ci] = 0; | |
| 629 } | |
| 630 } | |
| 631 } // clear_internal_deco_table_GF | |
| 632 | |
| 633 | |
| 634 // -------------------------------- | |
| 635 // update_internal_deco_table_GF // | |
| 636 // -------------------------------- | |
| 637 // new in v.102 | |
| 638 void update_internal_deco_table_GF(void) | |
| 639 { | |
| 640 if ((char_I_deco_model == 1) && (internal_deco_table[internal_deco_pointer] < 255)) | |
| 641 internal_deco_table[internal_deco_pointer] = internal_deco_table[internal_deco_pointer] + 1; | |
| 642 } // update_internal_deco_table_GF | |
| 643 | |
| 644 | |
| 645 // --------------------- | |
| 646 // temp_tissue_safety // | |
| 647 // --------------------- | |
| 648 // outsourced in v.102 | |
| 649 void temp_tissue_safety(void) | |
| 650 { | |
| 126 | 651 if (char_I_deco_model != 1) |
| 116 | 652 { |
| 653 if (temp_tissue < 0.0) | |
| 126 | 654 temp_tissue *= float_desaturation_multiplier; |
| 116 | 655 else |
| 126 | 656 temp_tissue *= float_saturation_multiplier; |
| 116 | 657 } |
| 658 } // temp_tissue_safety | |
| 659 | |
| 660 // ********************** | |
| 661 // ********************** | |
| 662 // ** THE JUMP-IN CODE ** | |
| 663 // ** for the asm code ** | |
| 664 // ********************** | |
| 665 // ********************** | |
|
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666 |
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667 void fillDataStack(void) |
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668 { |
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669 _asm |
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670 LFSR 1,C_STACK |
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671 MOVLW 0xCC |
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672 loop: MOVWF POSTINC1,0 |
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673 TSTFSZ FSR1L,0 |
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674 BRA loop |
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675 |
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676 LFSR 1,C_STACK |
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677 LFSR 2,C_STACK |
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678 MOVLW 1 |
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679 MOVWF TBLPTRU,0 |
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680 _endasm |
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681 } |
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682 |
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683 // When calling C code from ASM context, the data stack pointer and |
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684 // frames should be reset. Bank3 is dedicated to the stack (see the |
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685 // .lkr script). |
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686 #ifdef __DEBUG |
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687 # define RESET_C_STACK fillDataStack(); |
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688 #else |
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689 # define RESET_C_STACK \ |
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690 _asm \ |
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691 LFSR 1, C_STACK \ |
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692 LFSR 2, C_STACK \ |
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693 MOVLW 1 \ |
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694 MOVWF TBLPTRU,0 \ |
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695 _endasm |
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696 #endif |
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697 |
| 116 | 698 void deco_calc_hauptroutine(void) |
| 699 { | |
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700 RESET_C_STACK |
| 116 | 701 calc_hauptroutine(); |
| 702 int_O_desaturation_time = 65535; | |
| 703 } | |
| 704 | |
| 705 void deco_calc_without_deco(void) | |
| 706 { | |
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707 RESET_C_STACK |
| 116 | 708 calc_without_deco(); |
| 709 deco_calc_desaturation_time(); | |
| 710 } | |
| 711 | |
| 712 void deco_clear_tissue(void) | |
| 713 { | |
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714 RESET_C_STACK |
| 116 | 715 clear_tissue(); |
| 716 char_I_depth_last_deco = 0; // for compatibility with v.101pre_no_last_deco | |
| 717 } | |
| 718 | |
| 719 void deco_calc_wo_deco_step_1_min(void) | |
| 720 { | |
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721 RESET_C_STACK |
| 116 | 722 calc_wo_deco_step_1_min(); |
| 723 char_O_deco_status = 3; // surface new in v.102 overwrites value of calc_wo_deco_step_1_min | |
| 724 deco_calc_desaturation_time(); | |
| 725 } | |
| 726 | |
| 727 void deco_debug(void) | |
| 728 { | |
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729 RESET_C_STACK |
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730 // debug(); |
| 116 | 731 } |
| 732 | |
| 733 // --------------- | |
| 734 // CLEAR tissue // | |
| 735 // --------------- | |
| 736 // optimized in v.101 (var_a) | |
| 737 | |
| 738 #pragma code p2_deco_suite = 0x10700 | |
| 739 | |
| 740 void clear_tissue(void) // preload tissues with standard pressure for the given ambient pressure | |
| 741 { | |
| 742 flag_in_divemode = 0; | |
| 743 int_O_DBS_bitfield = 0; | |
| 744 int_O_DBS2_bitfield = 0; | |
| 745 int_O_DBG_pre_bitfield = 0; | |
| 746 int_O_DBG_post_bitfield = 0; | |
| 747 char_O_NDL_at_20mtr = 255; | |
| 748 | |
| 126 | 749 // N2_ratio = (float)char_I_N2_ratio; // the 0.0002 of 0.7902 are missing with standard air |
| 750 N2_ratio = 0.7902; // N2_ratio / 100.0; | |
| 751 pres_respiration = (float)int_I_pres_respiration / 1000.0; | |
| 164 | 752 |
| 753 _asm | |
| 754 movlw 1 | |
| 755 movwf TBLPTRU,0 | |
| 756 _endasm | |
| 757 for(ci=0;ci<16;ci++) | |
| 126 | 758 { |
| 164 | 759 overlay float p; |
| 760 // cycle through the 16 b"uhlmann tissues | |
| 761 p = N2_ratio * (pres_respiration - 0.0627) ; | |
| 762 pres_tissue[ci] = p; | |
| 126 | 763 |
| 164 | 764 var_a = ((rom float*)a_N2)[ci]; |
| 765 var_b = ((rom float*)b_N2)[ci]; | |
| 766 p = (p - var_a) * var_b ; | |
| 767 if( p < 0.0 ) | |
| 768 p = 0.0; | |
| 769 pres_tissue_limit[ci] = p; | |
| 770 | |
| 771 // cycle through the 16 b"uhlmann tissues for Helium | |
| 772 pres_tissue[ci+16] = 0.0; | |
| 126 | 773 } // for 0 to 16 |
| 116 | 774 |
| 126 | 775 clear_decoarray(); |
| 776 char_O_deco_status = 0; | |
| 777 char_O_nullzeit = 0; | |
| 778 char_O_ascenttime = 0; | |
| 779 char_O_gradient_factor = 0; | |
| 780 char_O_relative_gradient_GF = 0; | |
| 116 | 781 } // clear_tissue(void) |
| 782 | |
| 783 | |
| 784 // -------------------- | |
| 785 // calc_without_deco // | |
| 786 // fixed N2_ratio ! // | |
| 787 // -------------------- | |
| 788 // optimized in v.101 (float_..saturation_multiplier) | |
| 789 | |
| 790 void calc_without_deco(void) | |
| 791 { | |
| 126 | 792 N2_ratio = 0.7902; // FIXED RATIO !! sum as stated in b"uhlmann |
| 793 pres_respiration = (float)int_I_pres_respiration / 1000.0; // assembler code uses different digit system | |
| 794 pres_surface = (float)int_I_pres_surface / 1000.0; | |
| 795 temp_atem = N2_ratio * (pres_respiration - 0.0627); // 0.0627 is the extra pressure in the body | |
| 796 temp2_atem = 0.0; | |
| 797 temp_surface = pres_surface; // the b"uhlmann formula using temp_surface does apply to the pressure without any inert ratio | |
| 798 float_desaturation_multiplier = char_I_desaturation_multiplier / 100.0; | |
| 799 float_saturation_multiplier = char_I_saturation_multiplier / 100.0; | |
| 800 | |
| 801 calc_tissue(); // update the pressure in the 16 tissues in accordance with the new ambient pressure | |
| 802 | |
| 803 clear_decoarray(); | |
| 804 char_O_deco_status = 0; | |
| 805 char_O_nullzeit = 0; | |
| 806 char_O_ascenttime = 0; | |
| 807 calc_gradient_factor(); | |
| 116 | 808 } // calc_without_deco |
| 809 | |
| 810 | |
| 811 // -------------------- | |
| 812 // calc_hauptroutine // | |
| 813 // -------------------- | |
| 814 // this is the major code in dive mode | |
| 815 // calculates: | |
| 816 // the tissues, | |
| 817 // the bottom time | |
| 818 // and simulates the ascend with all deco stops | |
| 819 | |
| 820 void calc_hauptroutine(void) | |
| 821 { | |
| 822 calc_hauptroutine_data_input(); | |
| 823 | |
| 824 if(!flag_in_divemode) | |
| 825 { | |
| 826 flag_in_divemode = 1; | |
| 827 create_dbs_set_dbg_and_ndl20mtr(); | |
| 828 } | |
| 829 else | |
| 830 check_pre_dbg(); | |
| 831 | |
| 832 calc_hauptroutine_update_tissues(); | |
| 833 calc_gradient_factor(); | |
| 834 | |
| 835 | |
| 836 switch (char_O_deco_status) // toggle between calculation for nullzeit (bottom time), deco stops and more deco stops (continue) | |
| 837 { | |
| 838 case 0: | |
| 839 update_startvalues(); | |
| 840 calc_nullzeit(); | |
| 841 check_ndl(); | |
| 842 char_O_deco_status = 255; // calc deco next time | |
| 843 break; | |
| 844 case 1: | |
| 845 if (char_O_deco_status == 3) | |
| 846 break; | |
| 847 char_O_deco_status = 0; | |
| 848 calc_hauptroutine_calc_deco(); | |
| 849 break; | |
| 850 case 3: // new dive | |
| 851 clear_decoarray(); | |
| 852 clear_internal_deco_table_GF(); | |
| 853 copy_deco_table_GF(); | |
| 854 internal_deco_pointer = 0; | |
| 855 lock_GF_depth_list = 0; | |
| 856 update_startvalues(); | |
| 857 calc_nextdecodepth_GF(); | |
| 858 char_O_deco_status = 0; | |
| 859 break; | |
| 860 default: | |
| 861 update_startvalues(); | |
| 862 clear_decoarray(); | |
| 863 clear_internal_deco_table_GF(); | |
| 864 output[6] = 1; | |
| 865 calc_hauptroutine_calc_ascend_to_deco(); | |
| 866 if (char_O_deco_status > 15) // can't go up to first deco, too deep to calculate in the given time slot | |
| 867 { | |
| 868 char_O_deco_status = 2; | |
| 869 } | |
| 870 else | |
| 871 { | |
| 872 calc_hauptroutine_calc_deco(); | |
| 873 } | |
| 874 break; | |
| 875 } | |
| 876 calc_ascenttime(); | |
| 877 check_post_dbg(); | |
| 878 } | |
| 879 | |
| 880 void calc_hauptroutine_data_input(void) | |
| 881 { | |
| 126 | 882 pres_respiration = (float)int_I_pres_respiration / 1000.0; |
| 883 pres_surface = (float)int_I_pres_surface / 1000.0; | |
| 884 | |
| 885 N2_ratio = (float)char_I_N2_ratio / 100.0;; // the 0.0002 of 0.7902 are missing with standard air | |
| 886 He_ratio = (float)char_I_He_ratio / 100.0;; | |
| 887 deco_N2_ratio = (float)char_I_deco_N2_ratio / 100.0; | |
| 888 deco_He_ratio = (float)char_I_deco_He_ratio / 100.0; | |
| 889 deco_N2_ratio2 = (float)char_I_deco_N2_ratio2 / 100.0; | |
| 890 deco_He_ratio2 = (float)char_I_deco_He_ratio2 / 100.0; | |
| 891 deco_N2_ratio3 = (float)char_I_deco_N2_ratio3 / 100.0; | |
| 892 deco_He_ratio3 = (float)char_I_deco_He_ratio3 / 100.0; | |
| 893 deco_N2_ratio4 = (float)char_I_deco_N2_ratio4 / 100.0; | |
| 894 deco_He_ratio4 = (float)char_I_deco_He_ratio4 / 100.0; | |
| 895 deco_N2_ratio5 = (float)char_I_deco_N2_ratio5 / 100.0; | |
| 896 deco_He_ratio5 = (float)char_I_deco_He_ratio5 / 100.0; | |
| 897 float_deco_distance = (float)char_I_deco_distance / 100.0; | |
| 116 | 898 |
| 126 | 899 // ____________________________________________________ |
| 900 // | |
| 901 // _____________ G A S _ C H A N G E S ________________ | |
| 902 // ____________________________________________________ | |
| 903 | |
| 904 int_temp = (int_I_pres_respiration - int_I_pres_surface) + MBAR_REACH_GASCHANGE_AUTO_CHANGE_OFF; | |
| 905 | |
| 906 deco_gas_change = 0; | |
| 907 deco_gas_change2 = 0; | |
| 908 deco_gas_change3 = 0; | |
| 909 deco_gas_change4 = 0; | |
| 910 deco_gas_change5 = 0; | |
| 116 | 911 |
| 126 | 912 if(char_I_deco_gas_change) |
| 913 { | |
| 914 int_temp2 = ((int)char_I_deco_gas_change) * 100; | |
| 915 if(int_temp > int_temp2) | |
| 916 { | |
| 917 deco_gas_change = (float)char_I_deco_gas_change / 9.995 + pres_surface; | |
| 918 deco_gas_change += float_deco_distance; | |
| 919 } | |
| 920 } | |
| 921 if(char_I_deco_gas_change2) | |
| 922 { | |
| 923 int_temp2 = ((int)char_I_deco_gas_change2) * 100; | |
| 924 if(int_temp > int_temp2) | |
| 925 { | |
| 926 deco_gas_change2 = (float)char_I_deco_gas_change2 / 9.995 + pres_surface; | |
| 927 deco_gas_change2 += float_deco_distance; | |
| 928 } | |
| 929 } | |
| 930 if(char_I_deco_gas_change3) | |
| 931 { | |
| 932 int_temp2 = ((int)char_I_deco_gas_change3) * 100; | |
| 933 if(int_temp > int_temp2) | |
| 934 { | |
| 935 deco_gas_change3 = (float)char_I_deco_gas_change3 / 9.995 + pres_surface; | |
| 936 deco_gas_change3 += float_deco_distance; | |
| 937 } | |
| 938 } | |
| 939 if(char_I_deco_gas_change4) | |
| 940 { | |
| 941 int_temp2 = ((int)char_I_deco_gas_change4) * 100; | |
| 942 if(int_temp > int_temp2) | |
| 943 { | |
| 944 deco_gas_change4 = (float)char_I_deco_gas_change4 / 9.995 + pres_surface; | |
| 945 deco_gas_change4 += float_deco_distance; | |
| 946 } | |
| 947 } | |
| 948 if(char_I_deco_gas_change5) | |
| 949 { | |
| 950 int_temp2 = ((int)char_I_deco_gas_change5) * 100; | |
| 951 if(int_temp > int_temp2) | |
| 952 { | |
| 953 deco_gas_change5 = (float)char_I_deco_gas_change5 / 9.995 + pres_surface; | |
| 954 deco_gas_change5 += float_deco_distance; | |
| 955 } | |
| 956 } | |
| 116 | 957 |
| 126 | 958 const_ppO2 = (float)char_I_const_ppO2 / 100.0; |
| 959 deco_ppO2_change = (float)char_I_deco_ppO2_change / 99.95 + pres_surface; | |
| 960 deco_ppO2_change = deco_ppO2_change + float_deco_distance; | |
| 961 deco_ppO2 = (float)char_I_deco_ppO2 / 100.0; | |
| 962 float_desaturation_multiplier = char_I_desaturation_multiplier / 100.0; | |
| 963 float_saturation_multiplier = char_I_saturation_multiplier / 100.0; | |
| 964 GF_low = (float)char_I_GF_Low_percentage / 100.0; | |
| 965 GF_high = (float)char_I_GF_High_percentage / 100.0; | |
| 966 GF_delta = GF_high - GF_low; | |
| 967 | |
| 968 temp2 = (pres_respiration - pres_surface) / 0.29985; | |
| 969 int_temp = (int)(temp2); | |
| 970 if (int_temp < 0) | |
| 971 int_temp = 0; | |
| 972 if (int_temp > 255) | |
| 973 int_temp = 255; | |
| 974 char_O_actual_pointer = int_temp; | |
| 975 | |
| 976 temp_depth_last_deco = (int)char_I_depth_last_deco; | |
| 116 | 977 } |
| 978 | |
| 979 void calc_hauptroutine_update_tissues(void) | |
| 980 { | |
| 981 int_O_calc_tissue_call_counter = int_O_calc_tissue_call_counter + 1; | |
| 982 if (char_I_const_ppO2 == 0) // new in v.101 | |
| 983 pres_diluent = pres_respiration; // new in v.101 | |
| 984 else // new in v.101 | |
| 985 pres_diluent = ((pres_respiration - const_ppO2)/(N2_ratio + He_ratio)); // new in v.101 | |
| 986 if (pres_diluent > pres_respiration) // new in v.101 | |
| 987 pres_diluent = pres_respiration; // new in v.101 | |
| 988 if (pres_diluent > 0.0627) // new in v.101 | |
| 989 { | |
| 990 temp_atem = N2_ratio * (pres_diluent - 0.0627); // changed in v.101 | |
| 991 temp2_atem = He_ratio * (pres_diluent - 0.0627); // changed in v.101 | |
| 992 char_O_diluent = (char)(pres_diluent/pres_respiration*100.0); | |
| 993 } | |
| 994 else // new in v.101 | |
| 995 { | |
| 996 temp_atem = 0.0; // new in v.101 | |
| 997 temp2_atem = 0.0; // new in v.101 | |
| 998 char_O_diluent = 0; | |
| 999 } | |
| 1000 temp_surface = pres_surface; | |
| 1001 | |
| 1002 if(!char_I_step_is_1min) | |
| 1003 calc_tissue(); | |
| 1004 else | |
| 1005 calc_tissue_step_1_min(); | |
| 1006 | |
| 1007 int_O_gtissue_limit = (int)(pres_tissue_limit[char_O_gtissue_no] * 1000); | |
| 1008 int_O_gtissue_press = (int)((pres_tissue[char_O_gtissue_no] + pres_tissue[char_O_gtissue_no+16]) * 1000); | |
| 1009 if (char_I_deco_model == 1) | |
| 1010 { | |
| 1011 temp1 = temp1 * GF_high; | |
| 1012 } | |
| 1013 else | |
| 1014 { | |
| 1015 temp1 = temp_surface; | |
| 1016 } | |
| 1017 if (pres_gtissue_limit > temp1 && char_O_deco_status == 0) // if guiding tissue can not be exposed to surface pressure immediately | |
| 1018 { | |
| 1019 char_O_nullzeit = 0; // deco necessary | |
| 1020 char_O_deco_status = 255; // calculate deco skip nullzeit calculation | |
| 1021 } | |
| 1022 } // calc_hauptroutine_update_tissues | |
| 1023 | |
| 1024 void calc_hauptroutine_calc_deco(void) | |
| 1025 { | |
| 1026 do | |
| 1027 { | |
| 1028 int_temp_decostatus = 0; | |
| 1029 calc_nextdecodepth_GF(); | |
| 1030 if (temp_depth_limit > 0) | |
| 1031 { | |
| 1032 calc_N2_ratio = N2_ratio; | |
| 1033 calc_He_ratio = He_ratio; | |
| 1034 | |
| 1035 if (char_I_const_ppO2 == 0) // new in v.101 | |
| 1036 { | |
| 1037 deco_diluent = temp_deco; // new in v.101 | |
| 1038 | |
| 1039 if(deco_gas_change && (temp_deco < deco_gas_change)) | |
| 1040 { | |
| 1041 calc_N2_ratio = deco_N2_ratio; | |
| 1042 calc_He_ratio = deco_He_ratio; | |
| 1043 } | |
| 1044 if(deco_gas_change2 && (temp_deco < deco_gas_change2)) | |
| 1045 { | |
| 1046 calc_N2_ratio = deco_N2_ratio2; | |
| 1047 calc_He_ratio = deco_He_ratio2; | |
| 1048 } | |
| 1049 if(deco_gas_change3 && (temp_deco < deco_gas_change3)) | |
| 1050 { | |
| 1051 calc_N2_ratio = deco_N2_ratio3; | |
| 1052 calc_He_ratio = deco_He_ratio3; | |
| 1053 } | |
| 1054 if(deco_gas_change4 && (temp_deco < deco_gas_change4)) | |
| 1055 { | |
| 1056 calc_N2_ratio = deco_N2_ratio4; | |
| 1057 calc_He_ratio = deco_He_ratio4; | |
| 1058 } | |
| 1059 if(deco_gas_change5 && (temp_deco < deco_gas_change5)) | |
| 1060 { | |
| 1061 calc_N2_ratio = deco_N2_ratio5; | |
| 1062 calc_He_ratio = deco_He_ratio5; | |
| 1063 } | |
| 1064 } | |
| 1065 else // new in v.101 | |
| 1066 { | |
| 1067 if (temp_deco > deco_ppO2_change) | |
| 1068 { | |
| 1069 deco_diluent = ((temp_deco - const_ppO2)/(N2_ratio + He_ratio)); // new in v.101 | |
| 1070 } | |
| 1071 else | |
| 1072 { | |
| 1073 deco_diluent = ((temp_deco - deco_ppO2)/(N2_ratio + He_ratio)); // new in v.101 | |
| 1074 } | |
| 1075 } | |
| 1076 if (deco_diluent > temp_deco) // new in v.101 | |
| 1077 deco_diluent = temp_deco; // new in v.101 | |
| 1078 if (deco_diluent > 0.0627) // new in v.101 | |
| 1079 { | |
| 1080 temp_atem = calc_N2_ratio * (deco_diluent - 0.0627); // changed in v.101 | |
| 1081 temp2_atem = calc_He_ratio * (deco_diluent - 0.0627); // changed in v.101 | |
| 1082 } | |
| 1083 else // new in v.101 | |
| 1084 { | |
| 1085 temp_atem = 0.0; // new in v.101 | |
| 1086 temp2_atem = 0.0; // new in v.101 | |
| 1087 } | |
| 1088 sim_tissue_1min(); | |
| 1089 update_internal_deco_table_GF(); | |
| 1090 temp_decotime = 1; | |
| 1091 update_decoarray(); | |
| 1092 char_O_deco_status = char_O_deco_status + 1; | |
| 1093 if (char_O_deco_status < 16) | |
| 1094 int_temp_decostatus = 1; | |
| 1095 } | |
| 1096 else // if (temp_depth_limit > 0) | |
| 1097 { | |
| 1098 char_O_deco_status = 0; | |
| 1099 } | |
| 1100 } while (int_temp_decostatus == 1); | |
| 1101 if (char_O_deco_status > 15) | |
| 1102 { | |
| 1103 char_O_deco_status = 1; | |
| 1104 } | |
| 1105 else | |
| 1106 { | |
| 1107 copy_deco_table_GF(); | |
| 1108 char_O_deco_status = 0; | |
| 1109 } | |
| 1110 } | |
| 1111 | |
| 1112 void calc_hauptroutine_calc_ascend_to_deco(void) | |
| 1113 { | |
| 1114 update_startvalues(); | |
| 1115 char_O_deco_status = 0; | |
| 1116 temp_deco = pres_respiration; | |
| 1117 lock_GF_depth_list = 1; // new in v.102 | |
| 1118 do // go up to first deco | |
| 1119 { | |
| 1120 int_temp_decostatus = 0; | |
| 1121 temp_deco = temp_deco - 1.0; | |
| 1122 if ( char_I_deco_model == 1) // new in v.102 , 4 = deep stops | |
| 1123 temp_limit = temp_pres_gtissue_limit_GF_low; | |
| 1124 else | |
| 1125 temp_limit = temp_pres_gtissue_limit; | |
| 1126 if ((temp_deco > temp_limit) && (temp_deco > pres_surface)) // changes in v.102 | |
| 1127 { | |
| 1128 lock_GF_depth_list = 0; // new in v.102, distance to first stop > 10 mtr. | |
| 1129 output[6] = 0; | |
| 1130 temp_deco += 0.5; | |
| 1131 | |
| 1132 calc_N2_ratio = N2_ratio; | |
| 1133 calc_He_ratio = He_ratio; | |
| 1134 | |
| 1135 if (char_I_const_ppO2 == 0) // new in v.101 // calculate at half of the ascent | |
| 1136 { | |
| 1137 deco_diluent = temp_deco; // new in v.101 | |
| 1138 | |
| 1139 if(deco_gas_change && (temp_deco < deco_gas_change)) | |
| 1140 { | |
| 1141 calc_N2_ratio = deco_N2_ratio; | |
| 1142 calc_He_ratio = deco_He_ratio; | |
| 1143 } | |
| 1144 if(deco_gas_change2 && (temp_deco < deco_gas_change2)) | |
| 1145 { | |
| 1146 calc_N2_ratio = deco_N2_ratio2; | |
| 1147 calc_He_ratio = deco_He_ratio2; | |
| 1148 } | |
| 1149 if(deco_gas_change3 && (temp_deco < deco_gas_change3)) | |
| 1150 { | |
| 1151 calc_N2_ratio = deco_N2_ratio3; | |
| 1152 calc_He_ratio = deco_He_ratio3; | |
| 1153 } | |
| 1154 if(deco_gas_change4 && (temp_deco < deco_gas_change4)) | |
| 1155 { | |
| 1156 calc_N2_ratio = deco_N2_ratio4; | |
| 1157 calc_He_ratio = deco_He_ratio4; | |
| 1158 } | |
| 1159 if(deco_gas_change5 && (temp_deco < deco_gas_change5)) | |
| 1160 { | |
| 1161 calc_N2_ratio = deco_N2_ratio5; | |
| 1162 calc_He_ratio = deco_He_ratio5; | |
| 1163 } | |
| 1164 } | |
| 1165 else // new in v.101 | |
| 1166 { | |
| 1167 if (temp_deco > deco_ppO2_change) | |
| 1168 deco_diluent = ((temp_deco - const_ppO2)/(N2_ratio + He_ratio)); // new in v.101 // calculate at half of the ascent | |
| 1169 else | |
| 1170 deco_diluent = ((temp_deco - deco_ppO2)/(N2_ratio + He_ratio)); // new in v.101 // calculate at half of the ascent | |
| 1171 if (deco_diluent > (temp_deco)) // new in v.101 | |
| 1172 deco_diluent = temp_deco; // new in v.101 // calculate at half of the ascent | |
| 1173 } | |
| 1174 temp_deco -= 0.5; | |
| 1175 if (deco_diluent > 0.0627) // new in v.101 | |
| 1176 { | |
| 1177 temp_atem = calc_N2_ratio * (deco_diluent - 0.0627); // changed in v.101 | |
| 1178 temp2_atem = calc_He_ratio * (deco_diluent - 0.0627); // changed in v.101 | |
| 1179 } | |
| 1180 else // new in v.101 | |
| 1181 { | |
| 1182 temp_atem = 0.0; // new in v.101 | |
| 1183 temp2_atem = 0.0; // new in v.101 | |
| 1184 } | |
| 1185 sim_tissue_1min(); | |
| 1186 char_O_deco_status = char_O_deco_status + 1; | |
| 1187 if (char_O_deco_status < 16) // 16 is the limit of calculations for one time slot | |
| 1188 int_temp_decostatus = 1; | |
| 1189 } | |
| 1190 } while (int_temp_decostatus == 1); | |
| 1191 } // calc_hauptroutine_calc_ascend_to_deco | |
| 1192 | |
| 1193 // -------------- | |
| 1194 // calc_tissue // | |
| 1195 // -------------- | |
| 1196 // optimized in v.101 | |
| 1197 | |
| 1198 void calc_tissue(void) | |
| 1199 { | |
| 126 | 1200 char_O_gtissue_no = 255; |
| 1201 pres_gtissue_limit = 0.0; | |
| 1202 | |
| 1203 for (ci=0;ci<16;ci++) | |
| 1204 { | |
| 1205 _asm | |
| 1206 movlw 0x02 | |
| 1207 movwf TBLPTRH,0 | |
| 164 | 1208 movlb 5 // fuer ci |
| 1209 movf ci,0,1 | |
| 126 | 1210 addwf ci,0,1 |
| 1211 addwf ci,0,1 | |
| 1212 addwf ci,0,1 | |
| 1213 movwf TBLPTRL,0 | |
| 1214 TBLRDPOSTINC | |
| 1215 movff TABLAT,var_e2secs+1 // the order is confussing | |
| 1216 TBLRDPOSTINC | |
| 1217 movff TABLAT,var_e2secs // low byte first, high afterwards | |
| 1218 TBLRDPOSTINC | |
| 1219 movff TABLAT,var_e2secs+3 | |
| 1220 TBLRD | |
| 1221 movff TABLAT,var_e2secs+2 | |
| 1222 addlw 0x40 | |
| 1223 movwf TBLPTRL,0 | |
| 1224 TBLRDPOSTINC | |
| 1225 movff TABLAT,var2_e2secs+1 | |
| 1226 TBLRDPOSTINC | |
| 1227 movff TABLAT,var2_e2secs | |
| 1228 TBLRDPOSTINC | |
| 1229 movff TABLAT,var2_e2secs+3 | |
| 1230 TBLRD | |
| 1231 movff TABLAT,var2_e2secs+2 | |
| 1232 addlw 0x40 | |
| 1233 movwf TBLPTRL,0 | |
| 1234 TBLRDPOSTINC | |
| 1235 movff TABLAT,var_a+1 | |
| 1236 TBLRDPOSTINC | |
| 1237 movff TABLAT,var_a | |
| 1238 TBLRDPOSTINC | |
| 1239 movff TABLAT,var_a+3 | |
| 1240 TBLRD | |
| 1241 movff TABLAT,var_a+2 | |
| 1242 addlw 0x40 | |
| 1243 movwf TBLPTRL,0 | |
| 1244 TBLRDPOSTINC | |
| 1245 movff TABLAT,var2_a+1 | |
| 1246 TBLRDPOSTINC | |
| 1247 movff TABLAT,var2_a | |
| 1248 TBLRDPOSTINC | |
| 1249 movff TABLAT,var2_a+3 | |
| 1250 TBLRD | |
| 1251 movff TABLAT,var2_a+2 | |
| 1252 addlw 0x40 | |
| 1253 movwf TBLPTRL,0 | |
| 1254 incf TBLPTRH,1,0 | |
| 1255 TBLRDPOSTINC | |
| 1256 movff TABLAT,var_b+1 | |
| 1257 TBLRDPOSTINC | |
| 1258 movff TABLAT,var_b | |
| 1259 TBLRDPOSTINC | |
| 1260 movff TABLAT,var_b+3 | |
| 1261 TBLRD | |
| 1262 movff TABLAT,var_b+2 | |
| 1263 addlw 0x40 | |
| 1264 movwf TBLPTRL,0 | |
| 1265 TBLRDPOSTINC | |
| 1266 movff TABLAT,var2_b+1 | |
| 1267 TBLRDPOSTINC | |
| 1268 movff TABLAT,var2_b | |
| 1269 TBLRDPOSTINC | |
| 1270 movff TABLAT,var2_b+3 | |
| 1271 TBLRD | |
| 1272 movff TABLAT,var2_b+2 | |
| 1273 _endasm | |
| 1274 // the start values are the previous end values // write new values in temp | |
| 1275 | |
| 1276 if( (var_e2secs < 0.0000363) | |
| 1277 || (var_e2secs > 0.00577) | |
| 1278 || (var2_e2secs < 0.0000961) | |
| 1279 || (var2_e2secs > 0.150) | |
| 1280 || (var_a < 0.231) | |
| 1281 || (var_a > 1.27) | |
| 1282 || (var_b < 0.504) | |
| 1283 || (var_b > 0.966) | |
| 1284 || (var2_a < 0.510) | |
| 1285 || (var2_a > 1.75) | |
| 1286 || (var2_b < 0.423) | |
| 1287 || (var2_b > 0.927) | |
| 1288 ) | |
| 1289 int_O_DBG_pre_bitfield |= DBG_ZH16ERR; | |
| 116 | 1290 |
| 126 | 1291 // N2 |
| 1292 temp_tissue = (temp_atem - pres_tissue[ci]) * var_e2secs; | |
| 1293 temp_tissue_safety(); | |
| 1294 pres_tissue[ci] = pres_tissue[ci] + temp_tissue; | |
| 1295 | |
| 1296 // He | |
| 1297 temp_tissue = (temp2_atem - pres_tissue[ci+16]) * var2_e2secs; | |
| 1298 temp_tissue_safety(); | |
| 1299 pres_tissue[ci+16] = pres_tissue[ci+16] + temp_tissue; | |
| 1300 | |
| 1301 temp_tissue = pres_tissue[ci] + pres_tissue[ci+16]; | |
| 116 | 1302 |
| 126 | 1303 var_a = (var_a * pres_tissue[ci] + var2_a * pres_tissue[ci+16]) / temp_tissue; |
| 1304 var_b = (var_b * pres_tissue[ci] + var2_b * pres_tissue[ci+16]) / temp_tissue; | |
| 1305 pres_tissue_limit[ci] = (temp_tissue - var_a) * var_b; | |
| 1306 if (pres_tissue_limit[ci] < 0) | |
| 1307 pres_tissue_limit[ci] = 0; | |
| 1308 if (pres_tissue_limit[ci] > pres_gtissue_limit) | |
| 1309 { | |
| 1310 pres_gtissue_limit = pres_tissue_limit[ci]; | |
| 1311 char_O_gtissue_no = ci; | |
| 1312 }//if | |
| 1313 } // for | |
| 116 | 1314 }//calc_tissue(void) |
| 1315 | |
| 1316 // ---------------- | |
| 1317 // calc_nullzeit // | |
| 1318 // ---------------- | |
| 1319 // calculates the remaining bottom time | |
| 1320 | |
| 1321 // unchanged in v.101 | |
| 1322 | |
| 1323 void calc_nullzeit(void) | |
| 1324 { | |
| 1325 char_O_nullzeit = 0; | |
| 1326 int_temp = 1; | |
| 1327 do | |
| 1328 { | |
| 1329 backup_sim_pres_tissue(); | |
| 1330 sim_tissue_10min(); | |
| 1331 char_O_nullzeit = char_O_nullzeit + 10; | |
| 1332 int_temp = int_temp + 1; | |
| 1333 if (char_I_deco_model == 1) | |
| 1334 temp1 = GF_high * temp_pres_gtissue_diff + temp_pres_gtissue; | |
| 1335 else | |
| 1336 temp1 = temp_pres_gtissue_limit; | |
| 1337 if (temp1 > temp_surface) // changed in v.102 , if guiding tissue can not be exposed to surface pressure immediately | |
| 1338 int_temp = 255; | |
| 1339 } while (int_temp < 17); | |
| 1340 if (int_temp == 255) | |
| 1341 { | |
| 1342 restore_sim_pres_tissue(); | |
| 1343 char_O_nullzeit = char_O_nullzeit - 10; | |
| 1344 } //if int_temp == 255] | |
| 1345 int_temp = 1; | |
| 1346 if (char_O_nullzeit < 60) | |
| 1347 { | |
| 1348 do | |
| 1349 { | |
| 1350 sim_tissue_1min(); | |
| 1351 char_O_nullzeit = char_O_nullzeit + 1; | |
| 1352 int_temp = int_temp + 1; // new in v.102a | |
| 1353 if (char_I_deco_model == 1) | |
| 1354 temp1 = GF_high * temp_pres_gtissue_diff + temp_pres_gtissue; | |
| 1355 else | |
| 1356 temp1 = temp_pres_gtissue_limit; | |
| 1357 if (temp1 > temp_surface) // changed in v.102 , if guiding tissue can not be exposed to surface pressure immediately | |
| 1358 int_temp = 255; | |
| 1359 } while (int_temp < 10); | |
| 1360 if (int_temp == 255) | |
| 1361 char_O_nullzeit = char_O_nullzeit - 1; | |
| 1362 } // if char_O_nullzeit < 60 | |
| 1363 } //calc_nullzeit | |
| 1364 | |
| 1365 // ------------------------- | |
| 1366 // backup_sim_pres_tissue // | |
| 1367 // ------------------------- | |
| 1368 void backup_sim_pres_tissue(void) | |
| 1369 { | |
| 126 | 1370 for (x = 0;x<16;x++) |
| 1371 { | |
| 1372 sim_pres_tissue_backup[x] = sim_pres_tissue[x]; | |
| 1373 sim_pres_tissue_backup[x+16] = sim_pres_tissue[x+16]; | |
| 1374 } | |
| 116 | 1375 } // backup_sim |
| 1376 | |
| 1377 // -------------------------- | |
| 1378 // restore_sim_pres_tissue // | |
| 1379 // -------------------------- | |
| 1380 void restore_sim_pres_tissue(void) | |
| 1381 { | |
| 126 | 1382 for (x = 0;x<16;x++) |
| 1383 { | |
| 1384 sim_pres_tissue[x] = sim_pres_tissue_backup[x]; | |
| 1385 sim_pres_tissue[x+16] = sim_pres_tissue_backup[x+16]; | |
| 1386 } | |
| 116 | 1387 } // restore_sim |
| 1388 | |
| 1389 // ------------------ | |
| 1390 // calc_ascenttime // | |
| 1391 // ------------------ | |
| 1392 | |
| 1393 void calc_ascenttime(void) | |
| 1394 { | |
| 126 | 1395 if (pres_respiration > pres_surface) |
| 1396 { | |
| 1397 switch (char_O_deco_status) | |
| 1398 { | |
| 1399 case 2: | |
| 1400 char_O_ascenttime = 255; | |
| 1401 break; | |
| 1402 case 1: | |
| 1403 break; | |
| 1404 default: | |
| 1405 temp1 = pres_respiration - pres_surface + 0.6; // + 0.6 hence 1 minute ascent time from a depth of 4 meter on | |
| 1406 if (temp1 < 0) | |
| 1407 temp1 = 0; | |
| 1408 if (temp1 > 255) | |
| 1409 temp1 = 255; | |
| 1410 char_O_ascenttime = (char)temp1; | |
| 1411 | |
| 1412 for(ci=0;ci<7;ci++) | |
| 1413 { | |
| 1414 x = char_O_ascenttime + char_O_array_decotime[ci]; | |
| 1415 if (x < char_O_ascenttime) | |
| 1416 char_O_ascenttime = 255; | |
| 1417 else | |
| 1418 char_O_ascenttime = x; | |
| 1419 } | |
| 1420 break; | |
| 1421 } | |
| 1422 } | |
| 1423 else | |
| 1424 char_O_ascenttime = 0; | |
| 116 | 1425 } // calc_ascenttime() |
| 1426 | |
| 1427 | |
| 1428 // --------------------- | |
| 1429 // update_startvalues // | |
| 1430 // --------------------- | |
| 1431 // updated in v.102 | |
| 1432 | |
| 1433 void update_startvalues(void) | |
| 1434 { | |
| 1435 temp_pres_gtissue_limit = pres_gtissue_limit; | |
| 1436 temp_pres_gtissue = pres_tissue[char_O_gtissue_no] + pres_tissue[char_O_gtissue_no+16]; | |
| 1437 temp_pres_gtissue_diff = temp_pres_gtissue_limit - temp_pres_gtissue; // negative number | |
| 1438 temp_pres_gtissue_limit_GF_low = GF_low * temp_pres_gtissue_diff + temp_pres_gtissue; | |
| 1439 temp_pres_gtissue_limit_GF_low_below_surface = temp_pres_gtissue_limit_GF_low - pres_surface; | |
| 1440 if (temp_pres_gtissue_limit_GF_low_below_surface < 0) | |
| 1441 temp_pres_gtissue_limit_GF_low_below_surface = 0; | |
| 1442 | |
| 1443 temp_gtissue_no = char_O_gtissue_no; | |
| 1444 for (x = 0;x<16;x++) | |
| 1445 { | |
| 1446 sim_pres_tissue[x] = pres_tissue[x]; | |
| 1447 sim_pres_tissue[x+16] = pres_tissue[x+16]; | |
| 1448 sim_pres_tissue_limit[x] = pres_tissue_limit[x]; | |
| 1449 } | |
| 1450 } // update_startvalues | |
| 1451 | |
| 1452 | |
| 1453 // ------------------ | |
| 1454 // sim_tissue_1min // | |
| 1455 // ------------------ | |
| 1456 // optimized in v.101 | |
| 1457 | |
| 1458 void sim_tissue_1min(void) | |
| 1459 { | |
| 126 | 1460 temp_pres_gtissue_limit = 0.0; |
| 1461 temp_gtissue_no = 255; | |
| 1462 | |
| 1463 for (ci=0;ci<16;ci++) | |
| 1464 { | |
| 1465 _asm | |
| 1466 movlw 0x02 | |
| 1467 movwf TBLPTRH,0 | |
| 164 | 1468 movlb 5 // fuer ci |
| 1469 movf ci,0,1 | |
| 126 | 1470 addwf ci,0,1 |
| 1471 addwf ci,0,1 | |
| 1472 addwf ci,0,1 | |
| 1473 addlw 0x80 | |
| 1474 movwf TBLPTRL,0 | |
| 1475 TBLRDPOSTINC | |
| 1476 movff TABLAT,var_a+1 | |
| 1477 TBLRDPOSTINC | |
| 1478 movff TABLAT,var_a | |
| 1479 TBLRDPOSTINC | |
| 1480 movff TABLAT,var_a+3 | |
| 1481 TBLRD | |
| 1482 movff TABLAT,var_a+2 | |
| 1483 addlw 0x40 | |
| 1484 movwf TBLPTRL,0 | |
| 1485 TBLRDPOSTINC | |
| 1486 movff TABLAT,var2_a+1 | |
| 1487 TBLRDPOSTINC | |
| 1488 movff TABLAT,var2_a | |
| 1489 TBLRDPOSTINC | |
| 1490 movff TABLAT,var2_a+3 | |
| 1491 TBLRD | |
| 1492 movff TABLAT,var2_a+2 | |
| 1493 addlw 0x40 | |
| 1494 movwf TBLPTRL,0 | |
| 1495 incf TBLPTRH,1,0 | |
| 1496 TBLRDPOSTINC | |
| 1497 movff TABLAT,var_b+1 | |
| 1498 TBLRDPOSTINC | |
| 1499 movff TABLAT,var_b | |
| 1500 TBLRDPOSTINC | |
| 1501 movff TABLAT,var_b+3 | |
| 1502 TBLRD | |
| 1503 movff TABLAT,var_b+2 | |
| 1504 addlw 0x40 | |
| 1505 movwf TBLPTRL,0 | |
| 1506 TBLRDPOSTINC | |
| 1507 movff TABLAT,var2_b+1 | |
| 1508 TBLRDPOSTINC | |
| 1509 movff TABLAT,var2_b | |
| 1510 TBLRDPOSTINC | |
| 1511 movff TABLAT,var2_b+3 | |
| 1512 TBLRD | |
| 1513 movff TABLAT,var2_b+2 | |
| 1514 addlw 0xC0 | |
| 1515 movwf TBLPTRL,0 | |
| 1516 incf TBLPTRH,1,0 | |
| 1517 TBLRDPOSTINC | |
| 1518 movff TABLAT,var_e1min+1 | |
| 1519 TBLRDPOSTINC | |
| 1520 movff TABLAT,var_e1min | |
| 1521 TBLRDPOSTINC | |
| 1522 movff TABLAT,var_e1min+3 | |
| 1523 TBLRD | |
| 1524 movff TABLAT,var_e1min+2 | |
| 1525 addlw 0x40 | |
| 1526 movwf TBLPTRL,0 | |
| 1527 TBLRDPOSTINC | |
| 1528 movff TABLAT,var2_e1min+1 | |
| 1529 TBLRDPOSTINC | |
| 1530 movff TABLAT,var2_e1min | |
| 1531 TBLRDPOSTINC | |
| 1532 movff TABLAT,var2_e1min+3 | |
| 1533 TBLRD | |
| 1534 movff TABLAT,var2_e1min+2 | |
| 1535 _endasm | |
| 1536 | |
| 1537 // N2 | |
| 1538 temp_tissue = (temp_atem - sim_pres_tissue[ci]) * var_e1min; | |
| 1539 temp_tissue_safety(); | |
| 1540 sim_pres_tissue[ci] = sim_pres_tissue[ci] + temp_tissue; | |
| 1541 | |
| 1542 // He | |
| 1543 temp_tissue = (temp2_atem - sim_pres_tissue[ci+16]) * var2_e1min; | |
| 1544 temp_tissue_safety(); | |
| 1545 sim_pres_tissue[ci+16] = sim_pres_tissue[ci+16] + temp_tissue; | |
| 1546 | |
| 1547 // pressure limit | |
| 1548 temp_tissue = sim_pres_tissue[ci] + sim_pres_tissue[ci+16]; | |
| 1549 var_a = (var_a * sim_pres_tissue[ci] + var2_a * sim_pres_tissue[ci+16]) / temp_tissue; | |
| 1550 var_b = (var_b * sim_pres_tissue[ci] + var2_b * sim_pres_tissue[ci+16]) / temp_tissue; | |
| 1551 sim_pres_tissue_limit[ci] = (temp_tissue - var_a) * var_b; | |
| 1552 | |
| 1553 if (sim_pres_tissue_limit[ci] < 0) | |
| 1554 sim_pres_tissue_limit[ci] = 0; | |
| 1555 if (sim_pres_tissue_limit[ci] > temp_pres_gtissue_limit) | |
| 1556 { | |
| 1557 temp_pres_gtissue = temp_tissue; | |
| 1558 temp_pres_gtissue_limit = sim_pres_tissue_limit[ci]; | |
| 1559 temp_gtissue_no = ci; | |
| 1560 } | |
| 1561 } // for | |
| 116 | 1562 |
| 126 | 1563 temp_pres_gtissue_diff = temp_pres_gtissue_limit - temp_pres_gtissue; |
| 1564 temp_pres_gtissue_limit_GF_low = GF_low * temp_pres_gtissue_diff + temp_pres_gtissue; | |
| 1565 temp_pres_gtissue_limit_GF_low_below_surface = temp_pres_gtissue_limit_GF_low - pres_surface; | |
| 1566 if (temp_pres_gtissue_limit_GF_low_below_surface < 0) | |
| 1567 temp_pres_gtissue_limit_GF_low_below_surface = 0; | |
| 116 | 1568 } //sim_tissue_1min() |
| 1569 | |
| 1570 //-------------------- | |
| 1571 // sim_tissue_10min // | |
| 1572 //-------------------- | |
| 1573 | |
| 1574 // Attention!! uses var_e1min und var2_e1min to load 10min data !!! | |
| 1575 // is identical to sim_tissue_1min routine except for the different load of those variables | |
| 1576 | |
| 1577 // optimized in v.101 | |
| 1578 | |
| 1579 void sim_tissue_10min(void) | |
| 1580 { | |
| 126 | 1581 temp_pres_gtissue_limit = 0.0; |
| 1582 temp_gtissue_no = 255; | |
| 1583 | |
| 1584 for (ci=0;ci<16;ci++) | |
| 1585 { | |
| 1586 _asm | |
| 1587 movlw 0x02 | |
| 1588 movwf TBLPTRH,0 | |
| 164 | 1589 movlb 5 // fuer ci |
| 1590 movf ci,0,1 | |
| 126 | 1591 addwf ci,0,1 |
| 1592 addwf ci,0,1 | |
| 1593 addwf ci,0,1 | |
| 1594 addlw 0x80 | |
| 1595 movwf TBLPTRL,0 | |
| 1596 TBLRDPOSTINC | |
| 1597 movff TABLAT,var_a+1 | |
| 1598 TBLRDPOSTINC | |
| 1599 movff TABLAT,var_a | |
| 1600 TBLRDPOSTINC | |
| 1601 movff TABLAT,var_a+3 | |
| 1602 TBLRD | |
| 1603 movff TABLAT,var_a+2 | |
| 1604 addlw 0x40 | |
| 1605 movwf TBLPTRL,0 | |
| 1606 TBLRDPOSTINC | |
| 1607 movff TABLAT,var2_a+1 | |
| 1608 TBLRDPOSTINC | |
| 1609 movff TABLAT,var2_a | |
| 1610 TBLRDPOSTINC | |
| 1611 movff TABLAT,var2_a+3 | |
| 1612 TBLRD | |
| 1613 movff TABLAT,var2_a+2 | |
| 1614 addlw 0x40 | |
| 1615 movwf TBLPTRL,0 | |
| 1616 incf TBLPTRH,1,0 | |
| 1617 TBLRDPOSTINC | |
| 1618 movff TABLAT,var_b+1 | |
| 1619 TBLRDPOSTINC | |
| 1620 movff TABLAT,var_b | |
| 1621 TBLRDPOSTINC | |
| 1622 movff TABLAT,var_b+3 | |
| 1623 TBLRD | |
| 1624 movff TABLAT,var_b+2 | |
| 1625 addlw 0x40 | |
| 1626 movwf TBLPTRL,0 | |
| 1627 TBLRDPOSTINC | |
| 1628 movff TABLAT,var2_b+1 | |
| 1629 TBLRDPOSTINC | |
| 1630 movff TABLAT,var2_b | |
| 1631 TBLRDPOSTINC | |
| 1632 movff TABLAT,var2_b+3 | |
| 1633 TBLRD | |
| 1634 movff TABLAT,var2_b+2 | |
| 1635 addlw 0xC0 // different to 1 min | |
| 1636 movwf TBLPTRL,0 | |
| 1637 incf TBLPTRH,1,0 | |
| 1638 incf TBLPTRH,1,0 // different to 1 min | |
| 1639 TBLRDPOSTINC | |
| 1640 movff TABLAT,var_e1min+1 | |
| 1641 TBLRDPOSTINC | |
| 1642 movff TABLAT,var_e1min | |
| 1643 TBLRDPOSTINC | |
| 1644 movff TABLAT,var_e1min+3 | |
| 1645 TBLRD | |
| 1646 movff TABLAT,var_e1min+2 | |
| 1647 addlw 0x40 | |
| 1648 movwf TBLPTRL,0 | |
| 1649 //incf TBLPTRH,1,0 // different to 1 min | |
| 1650 TBLRDPOSTINC | |
| 1651 movff TABLAT,var2_e1min+1 | |
| 1652 TBLRDPOSTINC | |
| 1653 movff TABLAT,var2_e1min | |
| 1654 TBLRDPOSTINC | |
| 1655 movff TABLAT,var2_e1min+3 | |
| 1656 TBLRD | |
| 1657 movff TABLAT,var2_e1min+2 | |
| 1658 _endasm | |
| 1659 | |
| 1660 // N2 | |
| 1661 temp_tissue = (temp_atem - sim_pres_tissue[ci]) * var_e1min; | |
| 1662 temp_tissue_safety(); | |
| 1663 sim_pres_tissue[ci] = sim_pres_tissue[ci] + temp_tissue; | |
| 1664 // He | |
| 1665 temp_tissue = (temp2_atem - sim_pres_tissue[ci+16]) * var2_e1min; | |
| 1666 temp_tissue_safety(); | |
| 1667 sim_pres_tissue[ci+16] = sim_pres_tissue[ci+16] + temp_tissue; | |
| 1668 | |
| 1669 // pressure limit | |
| 1670 temp_tissue = sim_pres_tissue[ci] + sim_pres_tissue[ci+16]; | |
| 1671 var_a = (var_a * sim_pres_tissue[ci] + var2_a * sim_pres_tissue[ci+16]) / temp_tissue; | |
| 1672 var_b = (var_b * sim_pres_tissue[ci] + var2_b * sim_pres_tissue[ci+16]) / temp_tissue; | |
| 116 | 1673 |
| 126 | 1674 sim_pres_tissue_limit[ci] = (temp_tissue - var_a) * var_b; |
| 1675 if (sim_pres_tissue_limit[ci] < 0) | |
| 1676 sim_pres_tissue_limit[ci] = 0; | |
| 1677 if (sim_pres_tissue_limit[ci] > temp_pres_gtissue_limit) | |
| 1678 { | |
| 1679 temp_pres_gtissue = temp_tissue; | |
| 1680 temp_pres_gtissue_limit = sim_pres_tissue_limit[ci]; | |
| 1681 temp_gtissue_no = ci; | |
| 1682 } | |
| 1683 } // for | |
| 116 | 1684 |
| 1685 temp_pres_gtissue_diff = temp_pres_gtissue_limit - temp_pres_gtissue; // negative number | |
| 1686 temp_pres_gtissue_limit_GF_low = GF_low * temp_pres_gtissue_diff + temp_pres_gtissue; | |
| 1687 temp_pres_gtissue_limit_GF_low_below_surface = temp_pres_gtissue_limit_GF_low - pres_surface; | |
| 1688 if (temp_pres_gtissue_limit_GF_low_below_surface < 0) | |
| 1689 temp_pres_gtissue_limit_GF_low_below_surface = 0; | |
| 1690 } //sim_tissue_10min() | |
| 1691 | |
| 1692 | |
| 1693 // ------------------ | |
| 1694 // clear_decoarray // | |
| 1695 // ------------------ | |
| 1696 // unchanged in v.101 | |
| 1697 | |
| 1698 void clear_decoarray(void) | |
| 1699 { | |
| 126 | 1700 char_O_array_decodepth[0] = 0; |
| 1701 char_O_array_decodepth[1] = 0; | |
| 1702 char_O_array_decodepth[2] = 0; | |
| 1703 char_O_array_decodepth[3] = 0; | |
| 1704 char_O_array_decodepth[4] = 0; | |
| 1705 char_O_array_decodepth[5] = 0; | |
| 1706 char_O_array_decotime[0] = 0; | |
| 1707 char_O_array_decotime[1] = 0; | |
| 1708 char_O_array_decotime[2] = 0; | |
| 1709 char_O_array_decotime[3] = 0; | |
| 1710 char_O_array_decotime[4] = 0; | |
| 1711 char_O_array_decotime[5] = 0; | |
| 1712 char_O_array_decotime[6] = 0; | |
| 116 | 1713 } // clear_decoarray |
| 1714 | |
| 1715 | |
| 1716 // ------------------- | |
| 1717 // update_decoarray // | |
| 1718 // ------------------- | |
| 1719 // unchanged in v.101 | |
| 1720 | |
| 1721 void update_decoarray() | |
| 1722 { | |
| 1723 x = 0; | |
| 1724 do | |
| 1725 { | |
| 1726 if (char_O_array_decodepth[x] == temp_depth_limit) | |
| 1727 { | |
| 1728 int_temp = char_O_array_decotime[x] + temp_decotime; | |
| 1729 if (int_temp < 0) | |
| 1730 int_temp = 0; | |
| 1731 if (int_temp > 240) | |
| 1732 int_temp = 240; | |
| 1733 char_O_array_decotime[x] = int_temp; | |
| 1734 x = 10; // exit | |
| 1735 } // if | |
| 1736 else | |
| 1737 { | |
| 1738 if (char_O_array_decodepth[x] == 0) | |
| 1739 { | |
| 1740 if (temp_depth_limit > 255) | |
| 1741 char_O_array_decodepth[x] = 255; | |
| 1742 else | |
| 1743 char_O_array_decodepth[x] = (char)temp_depth_limit; | |
| 1744 int_temp = char_O_array_decotime[x] + temp_decotime; | |
| 1745 if (int_temp > 240) | |
| 1746 char_O_array_decotime[x] = 240; | |
| 1747 else | |
| 1748 char_O_array_decotime[x] = (char)int_temp; | |
| 1749 x = 10; // exit | |
| 1750 } // if | |
| 1751 else | |
| 1752 x++; | |
| 1753 } // else | |
| 1754 } while (x<6); | |
| 1755 if (x == 6) | |
| 1756 { | |
| 1757 int_temp = char_O_array_decotime[6] + temp_decotime; | |
| 1758 if (int_temp > 220) | |
| 1759 char_O_array_decotime[6] = 220; | |
| 1760 else | |
| 1761 char_O_array_decotime[6] = (char)int_temp; | |
| 1762 } // if x == 6 | |
| 1763 } // update_decoarray | |
| 1764 | |
| 1765 | |
| 1766 // ----------------------- | |
| 1767 // calc_gradient_factor // | |
| 1768 // ----------------------- | |
| 1769 // optimized in v.101 (var_a) | |
| 1770 // new code in v.102 | |
| 1771 | |
| 1772 void calc_gradient_factor(void) | |
| 1773 { | |
| 1774 // tissue > respiration (entsaettigungsvorgang) | |
| 1775 // gradient ist wieviel prozent an limit mit basis tissue | |
| 1776 // dh. 0% = respiration == tissue | |
| 1777 // dh. 100% = respiration == limit | |
| 1778 temp_tissue = pres_tissue[char_O_gtissue_no] + pres_tissue[char_O_gtissue_no+16]; | |
| 1779 temp1 = temp_tissue - pres_respiration; | |
| 1780 temp2 = temp_tissue - pres_tissue_limit[char_O_gtissue_no]; // changed in v.102 | |
| 1781 temp2 = temp1/temp2; | |
| 1782 temp2 = temp2 * 100; // displayed in percent | |
| 1783 if (temp2 < 0) | |
| 1784 temp2 = 0; | |
| 1785 if (temp2 > 255) | |
| 1786 temp2 = 255; | |
| 1787 if (temp1 < 0) | |
| 1788 char_O_gradient_factor = 0; | |
| 1789 else | |
| 1790 char_O_gradient_factor = (char)temp2; | |
| 1791 | |
| 1792 temp3 = temp2; | |
| 1793 | |
| 1794 if (char_I_deco_model == 1) // calculate relative gradient factor | |
| 1795 { | |
| 1796 temp1 = (float)temp_depth_GF_low_meter * 0.09995; | |
| 1797 temp2 = pres_respiration - pres_surface; | |
| 1798 if (temp2 <= 0) | |
| 1799 temp1 = GF_high; | |
| 1800 else | |
| 1801 if (temp2 >= temp1) | |
| 1802 temp1 = GF_low; | |
| 1803 else | |
| 1804 temp1 = GF_low + (temp1 - temp2)/temp1*GF_delta; | |
| 1805 if (temp_depth_GF_low_meter == 0) | |
| 1806 temp1 = GF_high; | |
| 1807 temp2 = temp3 / temp1; // temp3 is already in percent | |
| 1808 if (temp2 < 0) | |
| 1809 temp2 = 0; | |
| 1810 if (temp2 > 255) | |
| 1811 temp2 = 255; | |
| 1812 char_O_relative_gradient_GF = (char)temp2; | |
| 1813 } // calc relative gradient factor | |
| 1814 else | |
| 1815 { | |
| 1816 char_O_relative_gradient_GF = char_O_gradient_factor; | |
| 1817 } | |
| 1818 } // calc_gradient | |
| 1819 | |
| 1820 // ------------------------------ | |
| 1821 // deco_calc_desaturation_time // | |
| 1822 // ------------------------------ | |
| 1823 // FIXED N2_ratio | |
| 1824 // unchanged in v.101 | |
| 1825 | |
| 1826 void deco_calc_desaturation_time(void) | |
| 1827 { | |
|
122
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FIX again reset C data stack and frame pointer when entering C code.
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1828 RESET_C_STACK |
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1829 |
| 126 | 1830 N2_ratio = 0.7902; // FIXED sum as stated in b"uhlmann |
| 1831 pres_surface = (float)int_I_pres_surface / 1000.0; | |
| 1832 temp_atem = N2_ratio * (pres_surface - 0.0627); | |
| 1833 int_O_desaturation_time = 0; | |
| 1834 float_desaturation_multiplier = char_I_desaturation_multiplier / 142.0; // new in v.101 (70,42%/100.=142) | |
| 1835 | |
| 1836 for (ci=0;ci<16;ci++) | |
| 1837 { | |
| 1838 _asm | |
| 1839 movlw 0x04 | |
| 1840 movwf TBLPTRH,0 | |
| 164 | 1841 movlb 5 // fuer ci |
| 1842 movf ci,0,1 | |
| 126 | 1843 addwf ci,0,1 |
| 1844 addwf ci,0,1 | |
| 1845 addwf ci,0,1 | |
| 1846 addlw 0x80 | |
| 1847 movwf TBLPTRL,0 | |
| 1848 TBLRDPOSTINC | |
| 1849 movff TABLAT,var_halftimes+1 | |
| 1850 TBLRDPOSTINC | |
| 1851 movff TABLAT,var_halftimes | |
| 1852 TBLRDPOSTINC | |
| 1853 movff TABLAT,var_halftimes+3 | |
| 1854 TBLRD | |
| 1855 movff TABLAT,var_halftimes+2 | |
| 1856 addlw 0x40 | |
| 1857 movwf TBLPTRL,0 | |
| 1858 TBLRDPOSTINC | |
| 1859 movff TABLAT,var2_halftimes+1 | |
| 1860 TBLRDPOSTINC | |
| 1861 movff TABLAT,var2_halftimes | |
| 1862 TBLRDPOSTINC | |
| 1863 movff TABLAT,var2_halftimes+3 | |
| 1864 TBLRD | |
| 1865 movff TABLAT,var2_halftimes+2 | |
| 1866 _endasm | |
| 116 | 1867 |
| 126 | 1868 // saturation_time (for flight) and N2_saturation in multiples of halftime |
| 1869 // version v.100: 1.1 = 10 percent distance to totally clean (totally clean is not possible, would take infinite time ) | |
| 1870 // new in version v.101: 1.07 = 7 percent distance to totally clean (totally clean is not possible, would take infinite time ) | |
| 1871 // changes in v.101: 1.05 = 5 percent dist to totally clean is new desaturation point for display and noFly calculations | |
| 1872 // N2 | |
| 1873 temp1 = 1.05 * temp_atem; | |
| 1874 temp1 = temp1 - pres_tissue[ci]; | |
| 1875 temp2 = temp_atem - pres_tissue[ci]; | |
| 1876 if (temp2 >= 0.0) | |
| 1877 { | |
| 1878 temp1 = 0; | |
| 1879 temp2 = 0; | |
| 1880 } | |
| 1881 else | |
| 1882 temp1 = temp1 / temp2; | |
| 1883 if (temp1 > 0.0) | |
| 1884 { | |
| 1885 temp1 = log(1.0 - temp1); | |
| 1886 temp1 = temp1 / -0.6931; // temp1 is the multiples of half times necessary. | |
| 1887 // 0.6931 is ln(2), because the math function log() calculates with a base of e not 2 as requested. | |
| 1888 // minus because log is negative | |
| 1889 temp2 = var_halftimes * temp1 / float_desaturation_multiplier; // time necessary (in minutes ) for complete desaturation (see comment about 10 percent) , new in v.101: float_desaturation_multiplier | |
| 1890 } | |
| 1891 else | |
| 1892 { | |
| 1893 temp1 = 0; | |
| 1894 temp2 = 0; | |
| 1895 } | |
| 116 | 1896 |
| 126 | 1897 // He |
| 1898 temp3 = 0.1 - pres_tissue[ci+16]; | |
| 1899 if (temp3 >= 0.0) | |
| 1900 { | |
| 1901 temp3 = 0; | |
| 1902 temp4 = 0; | |
| 1903 } | |
| 1904 else | |
| 1905 temp3 = -1.0 * temp3 / pres_tissue[ci+16]; | |
| 1906 if (temp3 > 0.0) | |
| 1907 { | |
| 1908 temp3 = log(1.0 - temp3); | |
| 1909 temp3 = temp3 / -0.6931; // temp1 is the multiples of half times necessary. | |
| 1910 // 0.6931 is ln(2), because the math function log() calculates with a base of e not 2 as requested. | |
| 1911 // minus because log is negative | |
| 1912 temp4 = var2_halftimes * temp3 / float_desaturation_multiplier; // time necessary (in minutes ) for "complete" desaturation, new in v.101 float_desaturation_multiplier | |
| 1913 } | |
| 1914 else | |
| 1915 { | |
| 1916 temp3 = 0; | |
| 1917 temp4 = 0; | |
| 1918 } | |
| 116 | 1919 |
| 126 | 1920 // saturation_time (for flight) |
| 1921 if (temp4 > temp2) | |
| 1922 int_temp = (int)temp4; | |
| 1923 else | |
| 1924 int_temp = (int)temp2; | |
| 1925 if(int_temp > int_O_desaturation_time) | |
| 1926 int_O_desaturation_time = int_temp; | |
| 116 | 1927 |
| 126 | 1928 // N2 saturation in multiples of halftime for display purposes |
| 1929 temp2 = temp1 * 20.0; // 0 = 1/8, 120 = 0, 249 = 8 | |
| 1930 temp2 = temp2 + 80.0; // set center | |
| 1931 if (temp2 < 0.0) | |
| 1932 temp2 = 0.0; | |
| 1933 if (temp2 > 255.0) | |
| 1934 temp2 = 255.0; | |
| 1935 char_O_tissue_saturation[ci] = (char)temp2; | |
| 1936 // He saturation in multiples of halftime for display purposes | |
| 1937 temp4 = temp3 * 20.0; // 0 = 1/8, 120 = 0, 249 = 8 | |
| 1938 temp4 = temp4 + 80.0; // set center | |
| 1939 if (temp4 < 0.0) | |
| 1940 temp4 = 0.0; | |
| 1941 if (temp4 > 255.0) | |
| 1942 temp4 = 255.0; | |
| 1943 char_O_tissue_saturation[ci+16] = (char)temp4; | |
| 1944 } // for | |
| 116 | 1945 } // deco_calc_desaturation_time |
| 1946 | |
| 1947 | |
| 1948 // -------------------------- | |
| 1949 // calc_wo_deco_step_1_min // | |
| 1950 // -------------------------- | |
| 1951 // FIXED N2 Ratio | |
| 1952 // optimized in v.101 (...saturation_multiplier) | |
| 1953 // desaturation slowed down to 70,42% | |
| 1954 | |
| 1955 void calc_wo_deco_step_1_min(void) | |
| 1956 { | |
| 1957 if(flag_in_divemode) | |
| 1958 { | |
| 1959 flag_in_divemode = 0; | |
| 1960 set_dbg_end_of_dive(); | |
| 1961 } | |
|
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1962 |
| 126 | 1963 N2_ratio = 0.7902; // FIXED, sum lt. buehlmann |
| 1964 pres_respiration = (float)int_I_pres_respiration / 1000.0; // assembler code uses different digit system | |
| 1965 pres_surface = (float)int_I_pres_surface / 1000.0; | |
| 1966 temp_atem = N2_ratio * (pres_respiration - 0.0627); // 0.0627 is the extra pressure in the body | |
| 1967 temp2_atem = 0.0; | |
| 1968 temp_surface = pres_surface; // the b"uhlmann formula using temp_surface does not use the N2_ratio | |
| 1969 float_desaturation_multiplier = char_I_desaturation_multiplier / 142.0; // new in v.101 (70,42%/100.=142) | |
| 1970 float_saturation_multiplier = char_I_saturation_multiplier / 100.0; | |
| 1971 | |
| 1972 calc_tissue_step_1_min(); // update the pressure in the 16 tissues in accordance with the new ambient pressure | |
| 1973 clear_decoarray(); | |
| 1974 char_O_deco_status = 0; | |
| 1975 char_O_nullzeit = 0; | |
| 1976 char_O_ascenttime = 0; | |
| 1977 calc_gradient_factor(); | |
| 116 | 1978 |
| 1979 } // calc_wo_deco_step_1_min(void) | |
| 1980 | |
| 1981 | |
| 1982 // ------------------------- | |
| 1983 // calc_tissue_step_1_min // | |
| 1984 // ------------------------- | |
| 1985 // optimized in v.101 | |
| 1986 | |
| 1987 void calc_tissue_step_1_min(void) | |
| 1988 { | |
| 126 | 1989 char_O_gtissue_no = 255; |
| 1990 pres_gtissue_limit = 0.0; | |
| 1991 | |
| 1992 for (ci=0;ci<16;ci++) | |
| 1993 { | |
| 1994 _asm | |
| 1995 movlw 0x02 | |
| 1996 movwf TBLPTRH,0 | |
| 164 | 1997 movlb 5 // fuer ci |
| 1998 movf ci,0,1 | |
| 126 | 1999 addwf ci,0,1 |
| 2000 addwf ci,0,1 | |
| 2001 addwf ci,0,1 | |
| 2002 addlw 0x80 | |
| 2003 movwf TBLPTRL,0 | |
| 2004 TBLRDPOSTINC | |
| 2005 movff TABLAT,var_a+1 | |
| 2006 TBLRDPOSTINC | |
| 2007 movff TABLAT,var_a | |
| 2008 TBLRDPOSTINC | |
| 2009 movff TABLAT,var_a+3 | |
| 2010 TBLRD | |
| 2011 movff TABLAT,var_a+2 | |
| 2012 addlw 0x40 | |
| 2013 movwf TBLPTRL,0 | |
| 2014 TBLRDPOSTINC | |
| 2015 movff TABLAT,var2_a+1 | |
| 2016 TBLRDPOSTINC | |
| 2017 movff TABLAT,var2_a | |
| 2018 TBLRDPOSTINC | |
| 2019 movff TABLAT,var2_a+3 | |
| 2020 TBLRD | |
| 2021 movff TABLAT,var2_a+2 | |
| 2022 addlw 0x40 | |
| 2023 movwf TBLPTRL,0 | |
| 2024 incf TBLPTRH,1,0 | |
| 2025 TBLRDPOSTINC | |
| 2026 movff TABLAT,var_b+1 | |
| 2027 TBLRDPOSTINC | |
| 2028 movff TABLAT,var_b | |
| 2029 TBLRDPOSTINC | |
| 2030 movff TABLAT,var_b+3 | |
| 2031 TBLRD | |
| 2032 movff TABLAT,var_b+2 | |
| 2033 addlw 0x40 | |
| 2034 movwf TBLPTRL,0 | |
| 2035 TBLRDPOSTINC | |
| 2036 movff TABLAT,var2_b+1 | |
| 2037 TBLRDPOSTINC | |
| 2038 movff TABLAT,var2_b | |
| 2039 TBLRDPOSTINC | |
| 2040 movff TABLAT,var2_b+3 | |
| 2041 TBLRD | |
| 2042 movff TABLAT,var2_b+2 | |
| 2043 addlw 0xC0 | |
| 2044 movwf TBLPTRL,0 | |
| 2045 incf TBLPTRH,1,0 | |
| 2046 TBLRDPOSTINC | |
| 2047 movff TABLAT,var_e1min+1 | |
| 2048 TBLRDPOSTINC | |
| 2049 movff TABLAT,var_e1min | |
| 2050 TBLRDPOSTINC | |
| 2051 movff TABLAT,var_e1min+3 | |
| 2052 TBLRD | |
| 2053 movff TABLAT,var_e1min+2 | |
| 2054 addlw 0x40 | |
| 2055 movwf TBLPTRL,0 | |
| 2056 TBLRDPOSTINC | |
| 2057 movff TABLAT,var2_e1min+1 | |
| 2058 TBLRDPOSTINC | |
| 2059 movff TABLAT,var2_e1min | |
| 2060 TBLRDPOSTINC | |
| 2061 movff TABLAT,var2_e1min+3 | |
| 2062 TBLRD | |
| 2063 movff TABLAT,var2_e1min+2 | |
| 2064 _endasm | |
| 116 | 2065 |
| 126 | 2066 // N2 1 min |
| 2067 temp_tissue = (temp_atem - pres_tissue[ci]) * var_e1min; | |
| 2068 temp_tissue_safety(); | |
| 2069 pres_tissue[ci] = pres_tissue[ci] + temp_tissue; | |
| 2070 | |
| 2071 // He 1 min | |
| 2072 temp_tissue = (temp2_atem - pres_tissue[ci+16]) * var2_e1min; | |
| 2073 temp_tissue_safety(); | |
| 2074 pres_tissue[ci+16] = pres_tissue[ci+16] + temp_tissue; | |
| 2075 | |
| 2076 temp_tissue = pres_tissue[ci] + pres_tissue[ci+16]; | |
| 2077 var_a = (var_a * pres_tissue[ci] + var2_a * pres_tissue[ci+16]) / temp_tissue; | |
| 2078 var_b = (var_b * pres_tissue[ci] + var2_b * pres_tissue[ci+16]) / temp_tissue; | |
| 2079 pres_tissue_limit[ci] = (temp_tissue - var_a) * var_b; | |
| 2080 if (pres_tissue_limit[ci] < 0) | |
| 2081 pres_tissue_limit[ci] = 0; | |
| 2082 if (pres_tissue_limit[ci] > pres_gtissue_limit) | |
| 2083 { | |
| 2084 pres_gtissue_limit = pres_tissue_limit[ci]; | |
| 2085 char_O_gtissue_no = ci; | |
| 2086 }//if | |
| 2087 } // for | |
| 116 | 2088 } // calc wo deco 1min |
| 2089 | |
| 2090 // ---------- | |
| 2091 // deco_hash // | |
| 2092 // ---------- | |
| 2093 void deco_hash(void) | |
| 2094 { | |
|
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2095 RESET_C_STACK |
| 126 | 2096 |
| 2097 // init | |
| 164 | 2098 for(md_i=0;md_i<16;md_i++) |
| 126 | 2099 { |
| 2100 md_state[md_i] = 0; | |
| 164 | 2101 char_O_hash[md_i] = 0; |
| 126 | 2102 } // for md_i 16 |
| 116 | 2103 |
| 126 | 2104 _asm |
| 2105 movlw 0x01 | |
| 2106 movwf TBLPTRU,0 | |
| 2107 movlw 0x06 | |
| 2108 movwf TBLPTRH,0 | |
| 2109 movlw 0x00 | |
| 2110 movwf TBLPTRL,0 | |
| 2111 _endasm; | |
| 164 | 2112 for(md_i=0;md_i<=255;md_i++) |
| 126 | 2113 { |
| 2114 _asm | |
| 2115 TBLRDPOSTINC | |
| 2116 movff TABLAT,md_temp | |
| 2117 _endasm | |
| 2118 md_pi_subst[md_i] = md_temp; | |
| 2119 } // for md_i 256 | |
| 2120 | |
| 2121 _asm | |
| 2122 movlw 0x00 | |
| 2123 movwf TBLPTRU,0 | |
| 2124 movlw 0x00 | |
| 2125 movwf TBLPTRH,0 | |
| 2126 movlw 0x00 | |
| 2127 movwf TBLPTRL,0 | |
| 2128 _endasm | |
| 2129 // cycle buffers | |
| 2130 for (md_pointer=0x0000;md_pointer<0x17f3;md_pointer++) | |
| 2131 { | |
| 2132 md_t = 0; | |
| 2133 for (md_i=0;md_i<16;md_i++) | |
| 2134 { | |
| 2135 if(md_pointer == 9) | |
| 164 | 2136 md_temp = char_O_hash[md_i]; |
| 126 | 2137 else |
| 2138 { | |
| 2139 _asm | |
| 2140 TBLRDPOSTINC | |
| 2141 movff TABLAT,md_temp | |
| 2142 _endasm | |
| 2143 } // else | |
| 2144 md_buffer[md_i] = md_temp; | |
| 2145 md_state[md_i+16] = md_buffer[md_i]; | |
| 2146 md_state[md_i+32] = (unsigned char)(md_buffer[md_i] ^ md_state[md_i]); | |
| 2147 } // for md_i 16 | |
| 2148 | |
| 2149 for (md_i=0;md_i<18;md_i++) | |
| 2150 { | |
| 2151 for (md_j=0;md_j<48;md_j++) | |
| 2152 { | |
| 2153 md_state[md_j] = (unsigned char)(md_state[md_j] ^ md_pi_subst[md_t]); | |
| 2154 md_t = md_state[md_j]; | |
| 2155 } // for md_j 48 | |
| 2156 md_t = (unsigned char)(md_t+1); | |
| 2157 } // for md_i 18 | |
| 164 | 2158 md_t = char_O_hash[15]; |
| 126 | 2159 |
| 2160 for (md_i=0;md_i<16;md_i++) | |
| 2161 { | |
| 164 | 2162 char_O_hash[md_i] = (unsigned char)(char_O_hash[md_i] ^ md_pi_subst[(md_buffer[md_i] ^ md_t)]); |
| 2163 md_t = char_O_hash[md_i]; | |
| 126 | 2164 } // for md_i 16 |
| 2165 } // for md_pointer | |
| 116 | 2166 } // void deco_hash(void) |
| 2167 | |
| 2168 // --------------------- | |
| 2169 // deco_clear_CNS_fraction // | |
| 2170 // --------------------- | |
| 2171 // new in v.101 | |
| 2172 | |
| 2173 void deco_clear_CNS_fraction(void) | |
| 2174 { | |
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2175 RESET_C_STACK |
| 126 | 2176 CNS_fraction = 0.0; |
| 2177 char_O_CNS_fraction = 0; | |
| 116 | 2178 } // void deco_clear_CNS_fraction(void) |
| 2179 | |
| 2180 | |
| 2181 // ------------------------- | |
| 2182 // deco_calc_CNS_fraction // | |
| 2183 // ------------------------- | |
| 2184 // new in v.101 | |
| 2185 // optimized in v.102 : with new variables char_I_actual_ppO2 and actual_ppO2 | |
| 2186 | |
| 2187 // Input: char_I_actual_ppO2 | |
| 2188 // Output: char_O_CNS_fraction | |
| 2189 // Uses and Updates: CNS_fraction | |
| 2190 // Uses: acutal_ppO2 | |
| 2191 | |
| 2192 void deco_calc_CNS_fraction(void) | |
| 2193 { | |
| 126 | 2194 RESET_C_STACK |
| 2195 actual_ppO2 = (float)char_I_actual_ppO2 / 100.0; | |
| 116 | 2196 |
| 126 | 2197 if (char_I_actual_ppO2 < 50) |
| 2198 CNS_fraction = CNS_fraction;// no changes | |
| 2199 else if (char_I_actual_ppO2 < 60) | |
| 2200 CNS_fraction = 1/(-54000.0 * actual_ppO2 + 54000.0) + CNS_fraction; | |
| 2201 else if (char_I_actual_ppO2 < 70) | |
| 2202 CNS_fraction = 1/(-45000.0 * actual_ppO2 + 48600.0) + CNS_fraction; | |
| 2203 else if (char_I_actual_ppO2 < 80) | |
| 2204 CNS_fraction = 1/(-36000.0 * actual_ppO2 + 42300.0) + CNS_fraction; | |
| 2205 else if (char_I_actual_ppO2 < 90) | |
| 2206 CNS_fraction = 1/(-27000.0 * actual_ppO2 + 35100.0) + CNS_fraction; | |
| 2207 else if (char_I_actual_ppO2 < 110) | |
| 2208 CNS_fraction = 1/(-18000.0 * actual_ppO2 + 27000.0) + CNS_fraction; | |
| 2209 else if (char_I_actual_ppO2 < 150) | |
| 2210 CNS_fraction = 1/(-9000.0 * actual_ppO2 + 17100.0) + CNS_fraction; | |
| 2211 else if (char_I_actual_ppO2 < 160) | |
| 2212 CNS_fraction = 1/(-22500.0 * actual_ppO2 + 37350.0) + CNS_fraction; | |
| 2213 else if (char_I_actual_ppO2 < 165) | |
| 2214 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 | |
| 2215 else if (char_I_actual_ppO2 < 170) | |
| 2216 CNS_fraction = 0.00102 + CNS_fraction; // example calculation: Sqrt((1.7/1.55)^20)*0.000404 | |
| 2217 else if (char_I_actual_ppO2 < 175) | |
| 2218 CNS_fraction = 0.00136 + CNS_fraction; | |
| 2219 else if (char_I_actual_ppO2 < 180) | |
| 2220 CNS_fraction = 0.00180 + CNS_fraction; | |
| 2221 else if (char_I_actual_ppO2 < 185) | |
| 2222 CNS_fraction = 0.00237 + CNS_fraction; | |
| 2223 else if (char_I_actual_ppO2 < 190) | |
| 2224 CNS_fraction = 0.00310 + CNS_fraction; | |
| 2225 else if (char_I_actual_ppO2 < 195) | |
| 2226 CNS_fraction = 0.00401 + CNS_fraction; | |
| 2227 else if (char_I_actual_ppO2 < 200) | |
| 2228 CNS_fraction = 0.00517 + CNS_fraction; | |
| 2229 else if (char_I_actual_ppO2 < 230) | |
| 2230 CNS_fraction = 0.0209 + CNS_fraction; | |
| 2231 else | |
| 2232 CNS_fraction = 0.0482 + CNS_fraction; // value for 2.5 | |
| 116 | 2233 |
| 126 | 2234 if (CNS_fraction > 2.5) |
| 2235 CNS_fraction = 2.5; | |
| 2236 if (CNS_fraction < 0.0) | |
| 2237 CNS_fraction = 0.0; | |
| 2238 | |
| 2239 char_O_CNS_fraction = (char)((CNS_fraction + 0.005)* 100.0); | |
| 116 | 2240 } // void deco_calc_CNS_fraction(void) |
| 2241 | |
| 2242 // ------------------------------- | |
| 2243 // deco_calc_CNS_decrease_15min // | |
| 2244 // ------------------------------- | |
| 2245 // new in v.101 | |
| 2246 | |
| 2247 // calculates the half time of 90 minutes in 6 steps of 15 min | |
| 2248 | |
| 2249 // Output: char_O_CNS_fraction | |
| 2250 // Uses and Updates: CNS_fraction | |
| 2251 | |
| 2252 void deco_calc_CNS_decrease_15min(void) | |
| 2253 { | |
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2254 RESET_C_STACK |
| 126 | 2255 CNS_fraction = 0.890899 * CNS_fraction; |
| 2256 char_O_CNS_fraction = (char)((CNS_fraction + 0.005)* 100.0); | |
| 116 | 2257 }// deco_calc_CNS_decrease_15min(void) |
| 2258 | |
| 2259 | |
| 2260 // ----------------------- | |
| 2261 // deco_calc_percentage // | |
| 2262 // ----------------------- | |
| 2263 // new in v.101 | |
| 2264 | |
| 2265 // calculates int_I_temp * char_I_temp / 100 | |
| 2266 // output is int_I_temp | |
| 2267 | |
| 2268 void deco_calc_percentage(void) | |
| 2269 { | |
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2270 RESET_C_STACK |
| 126 | 2271 temp1 = (float)int_I_temp; |
| 2272 temp2 = (float)char_I_temp / 100.0; | |
| 2273 temp3 = temp1 * temp2; | |
| 2274 int_I_temp = (int)temp3; | |
| 116 | 2275 } |
| 2276 | |
| 2277 void deco_push_tissues_to_vault(void) | |
| 2278 { | |
|
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2279 RESET_C_STACK |
| 116 | 2280 cns_vault = CNS_fraction; |
| 2281 for (ci=0;ci<32;ci++) | |
| 2282 pres_tissue_vault[ci] = pres_tissue[ci]; | |
| 2283 } | |
| 2284 void deco_pull_tissues_from_vault(void) | |
| 2285 { | |
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2286 RESET_C_STACK |
| 116 | 2287 CNS_fraction = cns_vault; |
| 2288 for (ci=0;ci<32;ci++) | |
| 2289 pres_tissue[ci] = pres_tissue_vault[ci]; | |
| 2290 } | |
| 2291 | |
| 164 | 2292 void main() {} |