Mercurial > public > hwos_code
annotate src/divemode.asm @ 111:c61b7a4e317c
Bugfix: CNS in planner
| author | heinrichsweikamp |
|---|---|
| date | Tue, 17 Jun 2014 12:00:20 +0200 |
| parents | 223579e905c3 |
| children | f3062a611eef |
| rev | line source |
|---|---|
| 0 | 1 ;============================================================================= |
| 2 ; | |
| 3 ; File divemode.asm | |
| 4 ; | |
| 5 ; Divemode | |
| 6 ; | |
| 7 ; Copyright (c) 2011, JD Gascuel, HeinrichsWeikamp, all right reserved. | |
| 8 ;============================================================================= | |
| 9 ; HISTORY | |
| 10 ; 2011-08-15 : [mH] moving from OSTC code | |
| 11 | |
| 12 #include "ostc3.inc" ; Mandatory header | |
| 13 #include "shared_definitions.h" ; Mailbox from/to p2_deco.c | |
| 14 #include "tft_outputs.inc" | |
| 15 #include "strings.inc" | |
| 16 #include "tft.inc" | |
| 17 #include "eeprom_rs232.inc" | |
| 18 #include "isr.inc" | |
| 19 #include "math.inc" | |
| 20 #include "wait.inc" | |
| 21 #include "customview.inc" | |
| 22 #include "start.inc" | |
| 23 #include "adc_lightsensor.inc" | |
| 24 #include "ghostwriter.inc" | |
| 25 #include "i2c.inc" | |
| 26 | |
| 27 gui CODE | |
| 28 | |
| 29 global diveloop | |
| 30 diveloop: | |
| 31 banksel common | |
| 32 call speed_normal | |
| 33 call diveloop_boot ; Boot tasks for all modes | |
| 34 | |
| 35 ; Startup Tasks for all modes | |
| 36 call TFT_ClearScreen ; clean up TFT | |
| 37 call TFT_divemode_mask ; Display mask | |
| 38 call TFT_temp_divemode ; Displays temperature | |
|
39
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39 movff customview_divemode,menupos3 ; Reload last customview |
|
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40 call customview_mask ; Redraw last custom view |
| 0 | 41 |
| 42 btfsc FLAG_apnoe_mode | |
| 43 bsf realdive ; Set Realdive flag in Apnoe mode | |
| 44 | |
| 45 btfsc FLAG_apnoe_mode ; Done for Apnoe or Gauge mode | |
| 46 bra diveloop_loop | |
| 47 btfsc FLAG_gauge_mode ; Done for Apnoe or Gauge mode | |
| 48 bra diveloop_loop | |
| 49 | |
| 50 call TFT_active_gas_divemode ; Display gas/Setpoint | |
| 51 call TFT_display_ndl_mask ; display "NDL" | |
| 52 | |
| 53 ; +@5 init | |
| 54 setf WREG ; WAIT marker: display "---" | |
| 55 movff WREG,int_O_extra_ascenttime+0 | |
| 56 movff WREG,int_O_extra_ascenttime+1 | |
| 57 movlw 1 | |
| 58 movwf apnoe_mins ; Start compute after next cycle. | |
| 59 | |
| 60 ;-------------------------------------------------------------------------------------------------------- | |
| 61 diveloop_loop: ; The diveloop starts here | |
| 62 btfss onesecupdate | |
| 63 bra diveloop_loop3 | |
| 64 | |
| 65 ; tasks any new second... | |
| 66 btfsc FLAG_apnoe_mode ; Only in apnoe mode | |
| 67 bra diveloop_loop1b ; One Second Tasks in Apnoe mode | |
| 68 | |
| 69 call TFT_divemins ; Display (new) divetime! | |
| 70 call customview_second ; Do every-second tasks for the custom view area | |
| 71 | |
| 72 ; Tasks only for deco modes | |
|
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73 btfsc show_safety_stop ; Show the safety stop? |
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74 call TFT_show_safety_stop ; Yes, show/delete if done. |
| 0 | 75 call calc_deko_divemode ; calculate decompression and display result (any two seconds) |
| 76 bra diveloop_loop1x ; Common Tasks | |
| 77 | |
| 78 diveloop_loop1b: | |
| 79 ; Tasks only for Apnoe mode | |
| 80 call divemode_apnoe_tasks ; 1 sec. Apnoe tasks | |
| 81 bra diveloop_loop1x ; Common Tasks | |
| 82 | |
| 83 diveloop_loop1x: | |
| 84 ; Common 1sec. tasks for all modes | |
| 85 call timeout_divemode ; dive finished? This routine sets the required flags | |
| 86 call set_dive_modes ; tests if depth>threshold | |
| 87 call set_min_temp ; store min. temp if required | |
| 88 | |
| 89 btfsc store_sample ; store new sample? | |
| 90 call store_dive_data ; Store profile data | |
| 91 | |
| 92 btfss divemode ; Dive finished? | |
| 93 goto ghostwriter_end_dive ; Dive finished! | |
| 94 | |
| 95 btfsc divemode_gaschange ; Gas switch flag set? | |
| 96 rcall gas_switched_common ; Yes | |
| 97 | |
| 98 btfsc toggle_gf ; =1: Toggle GF/aGF | |
| 99 rcall divemodemode_togglegf ; Toggle aGF/GF | |
| 100 | |
| 101 ; btfsc FLAG_ccr_mode ; In CCR mode | |
| 102 ; call TFT_active_gas_divemode ; Update Setpoint every second | |
| 103 | |
| 104 bcf onesecupdate ; one seconds update done | |
| 105 | |
| 106 diveloop_loop3: | |
| 107 rcall test_switches_divemode ; Check switches in divemode | |
| 108 | |
| 109 global diveloop_loop4 | |
| 110 diveloop_loop4: ; Menu-Exit returns here... | |
| 111 btfsc toggle_customview ; Next view? | |
| 112 call customview_toggle ; Yes, show next customview (and delete this flag) | |
| 113 | |
| 114 btfsc pressure_refresh ; new pressure available? | |
| 115 rcall update_temp_and_or_depth ; Yes, display new depth and clear "pressure_refresh" flag | |
| 116 | |
| 117 btfsc oneminupdate ; one minute tasks | |
| 118 rcall update_divemode60 ; Update clock, etc. | |
| 119 | |
| 120 btfss quarter_second_update | |
| 121 bra diveloop_loop4a | |
| 83 | 122 |
| 0 | 123 bcf quarter_second_update |
| 124 movlw .6 | |
| 125 cpfseq menupos3 ; in compass view? | |
| 126 bra diveloop_loop4a ; No | |
| 127 call TFT_dive_compass_heading ; Yes, update compass heading value | |
| 128 diveloop_loop4a: | |
| 129 btfsc enable_screen_dumps ; =1: Ignore vin_usb, wait for "l" command (Screen dump) | |
| 130 bra diveloop_loop5 | |
| 131 bra diveloop_loop6 | |
| 132 diveloop_loop5: | |
| 133 btfss vusb_in ; USB (still) plugged in? | |
| 134 bcf enable_screen_dumps ; No, clear flag | |
| 135 call rs232_get_byte | |
| 136 btfsc rs232_recieve_overflow | |
| 137 bra diveloop_loop6 | |
| 138 movlw "l" | |
| 139 cpfseq RCREG1 | |
| 140 bra diveloop_loop6 | |
| 141 call TFT_dump_screen ; Dump the screen contents | |
| 142 diveloop_loop6: | |
| 143 | |
| 144 bra diveloop_loop ; Loop the divemode | |
| 145 ;-------------------------------------------------------------------------------------------------------- | |
| 146 | |
| 147 | |
| 148 divemode_apnoe_tasks: ; 1 sec. Apnoe tasks | |
| 149 call TFT_display_apnoe_descent ; Show descent timer | |
| 150 call TFT_max_pressure ; use normal max. depth | |
| 151 | |
| 152 btfsc divemode2 ; Time running? | |
| 153 bra divemode_apnoe_tasks2 ; New descent, reset data if flag is set | |
| 154 | |
| 155 rcall apnoe_calc_maxdepth | |
| 156 call TFT_display_apnoe_surface | |
| 157 call TFT_display_apnoe_last_max ; Show last max. depth | |
| 158 incf apnoe_surface_secs,F | |
| 159 movlw d'60' | |
| 160 cpfseq apnoe_surface_secs | |
| 161 bra divemode_apnoe_tasks1 | |
| 162 clrf apnoe_surface_secs | |
| 163 incf apnoe_surface_mins,F | |
| 164 | |
| 165 divemode_apnoe_tasks1: | |
| 166 bcf FLAG_active_descent ; Clear flag | |
| 167 btfsc divemode2 ; Time running? | |
| 168 return ; Yes, return | |
| 169 bsf FLAG_active_descent ; Set Flag | |
| 170 return | |
| 171 | |
| 172 divemode_apnoe_tasks2: | |
| 173 btfss FLAG_active_descent ; Are we descending? | |
| 174 return ; No, We are at the surface | |
| 175 rcall apnoe_calc_maxdepth ; Yes! | |
| 176 call TFT_apnoe_clear_surface ; Clear Surface timer | |
| 177 clrf apnoe_timeout_counter ; Delete timeout | |
| 178 clrf apnoe_surface_secs | |
| 179 clrf apnoe_surface_mins | |
| 180 clrf apnoe_secs | |
| 181 clrf apnoe_mins ; Reset Descent time | |
| 182 movlw .0 | |
| 183 movff WREG,max_pressure+0 | |
| 184 movff WREG,max_pressure+1 ; Reset Max. Depth | |
| 185 bcf FLAG_active_descent ; Clear flag | |
| 186 return | |
| 187 | |
| 188 global apnoe_calc_maxdepth | |
| 189 apnoe_calc_maxdepth: | |
| 190 movff apnoe_max_pressure+0,sub_a+0 | |
| 191 movff apnoe_max_pressure+1,sub_a+1 | |
| 192 movff max_pressure+0,sub_b+0 | |
| 193 movff max_pressure+1,sub_b+1 | |
| 194 call subU16 ; sub_c = sub_a - sub_b | |
| 195 ; apnoe_max_pressure<max_pressure -> neg_flag=1 | |
| 196 ; max_pressure<=apnoe_max_pressure -> neg_flag=0 | |
| 197 btfss neg_flag | |
| 198 return | |
| 199 ;apnoe_max_pressure<max_pressure | |
| 200 movff max_pressure+0,apnoe_max_pressure+0 | |
| 201 movff max_pressure+1,apnoe_max_pressure+1 | |
| 202 return | |
| 203 | |
| 204 | |
| 205 calc_deko_divemode: | |
| 206 btfsc twosecupdate ; two seconds after the last call | |
| 207 bra calc_deko_divemode2 ; Yes, calculate and display deco data ("first second") | |
| 208 | |
| 209 bsf twosecupdate ; No, but next second! | |
| 210 ; Routines used in the "other second" | |
| 211 call calc_average_depth ; calculate average depth | |
| 212 call calc_velocity ; calculate vertical velocity and display if > threshold (every two seconds) | |
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213 call divemode_check_for_warnings ; Check for any warnings |
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214 call set_reset_safety_stop ; Set flags for safety stop and/or reset safety stop |
| 0 | 215 call TFT_debug_output |
| 216 | |
| 217 btfsc FLAG_apnoe_mode ; Done for Apnoe or Gauge mode | |
| 218 return | |
| 219 btfsc FLAG_gauge_mode ; Done for Apnoe or Gauge mode | |
| 220 return | |
| 221 | |
| 222 ; Calculate CNS | |
| 223 rcall set_actual_ppo2 ; Set char_I_actual_ppO2 | |
| 224 clrf WREG | |
| 225 movff WREG,char_I_step_is_1min ; Make sure to be in 2sec mode. | |
| 226 call deco_calc_CNS_fraction ; calculate CNS | |
| 227 movlb b'00000001' ; rambank 1 selected | |
| 228 | |
| 229 ; Check for a gas change | |
| 230 rcall check_gas_change ; Checks if a better gas should be selected (by user) | |
| 231 | |
| 232 return | |
| 233 | |
| 234 global set_actual_ppo2 | |
| 235 set_actual_ppo2: ; calculate ppO2 in 0.01bar (e.g. 150 = 1.50 bar ppO2) | |
| 111 | 236 btfsc divemode ; in divemode |
| 237 bra set_actual_ppo2_dive ; Yes | |
| 238 ; No, use simulated ambient pressure for char_I_actual_ppO2 | |
| 239 movff char_I_bottom_depth,WREG | |
| 240 mullw .100 | |
| 241 movlw LOW(.1000) | |
| 242 addwf PRODL,W | |
| 243 movwf xA+0 | |
| 244 movlw HIGH(.1000) | |
| 245 addwfc PRODH,W | |
| 246 movwf xA+1 ; P_amb in millibar (1000 = 1.00 bar). | |
| 247 bra set_actual_ppo2_common | |
| 248 set_actual_ppo2_dive: | |
| 0 | 249 SAFE_2BYTE_COPY amb_pressure, xA ; P_amb in millibar (1000 = 1.00 bar). |
| 111 | 250 set_actual_ppo2_common: |
| 0 | 251 movlw d'10' |
| 252 movwf xB+0 | |
| 253 clrf xB+1 | |
| 254 call div16x16 ; xC=p_amb/10 (100 = 1.00 bar). | |
| 255 movff xC+0,xA+0 | |
| 256 movff xC+1,xA+1 | |
| 257 movff char_I_O2_ratio,xB+0 | |
| 258 clrf xB+1 | |
| 259 call mult16x16 ; char_I_O2_ratio * (p_amb/10) | |
| 260 movff xC+0,xA+0 | |
| 261 movff xC+1,xA+1 | |
| 262 movlw d'100' | |
| 263 movwf xB+0 | |
| 264 clrf xB+1 | |
| 265 call div16x16 ; xC=(char_I_O2_ratio * p_amb/10)/100 | |
| 266 | |
| 267 ; Copy ppO2 for CNS calculation | |
| 268 tstfsz xC+1 ; Is ppO2 > 2.55bar ? | |
| 269 setf xC+0 ; yes: bound to 2.55... better than wrap around. | |
| 270 | |
| 271 movff xC+0, char_I_actual_ppO2 ; copy last ppO2 to buffer register | |
| 272 btfsc is_bailout ; In Bailout? | |
| 273 return ; Yes, done. | |
| 274 ; No Bailout, check for ccr mode | |
| 275 btfsc FLAG_ccr_mode ; If FLAG_ccr_mode=1... | |
| 276 movff char_I_const_ppO2, char_I_actual_ppO2 ; ...copy last ppO2 to buffer register | |
| 277 return | |
| 278 | |
| 279 | |
| 280 calc_deko_divemode2: | |
| 281 bcf twosecupdate | |
| 282 | |
| 283 btfsc FLAG_apnoe_mode ; Done for Apnoe or Gauge mode | |
| 284 return | |
| 285 btfsc FLAG_gauge_mode ; Done for Apnoe or Gauge mode | |
| 286 return | |
| 287 | |
| 288 extern deco_setup_dive | |
| 289 call deco_setup_dive ; Pass all parameters to the C code | |
| 290 | |
| 291 TSTOSS opt_ccr_mode ; =0: Fixed SP, =1: Sensor | |
| 292 bra calc_deko_divemode2a | |
| 293 rcall divemode_setup_sensor_values ; Setup sensor values | |
| 294 | |
| 295 calc_deko_divemode2a: | |
| 296 SAFE_2BYTE_COPY amb_pressure,int_I_pres_respiration ; C-code needs the ambient pressure | |
| 297 clrf WREG | |
| 298 movff WREG,char_I_step_is_1min ; Force 2 second deco mode | |
| 299 | |
| 300 clrf TMR5L | |
| 301 clrf TMR5H ; 30,51757813µs/bit in TMR5L:TMR5H | |
| 302 call deco_calc_hauptroutine ; calc_tissue | |
| 303 movlb .1 | |
| 304 | |
| 305 movff char_O_deco_status,WREG ; Is a compute cycle finished ? | |
| 306 iorwf WREG,F | |
| 307 btfss STATUS,Z | |
| 308 return ; Return is status <> 0 | |
| 309 | |
| 310 ; Check if deco stops are necessary ? | |
| 311 movff char_O_first_deco_depth,wait_temp ; copy ceiling to temp register | |
| 312 tstfsz wait_temp ; Ceiling<0m? | |
| 313 bra calc_deko_divemode3 ; Yes! | |
| 314 | |
| 315 btfsc decostop_active ; Already in nodeco mode ? | |
| 316 call TFT_display_ndl_mask ; No, Clear deco data, display nostop time | |
| 317 bcf decostop_active ; clear flag (again) | |
| 318 | |
| 319 ; Copy for profile recording | |
| 320 clrf decodata+0 | |
| 321 movff char_O_nullzeit,decodata+1 ; NDL | |
| 322 | |
| 323 call TFT_display_ndl ; display no deco limit | |
| 324 return | |
| 325 | |
| 326 calc_deko_divemode3: | |
| 327 btfss decostop_active ; Already in deco mode ? | |
| 328 call TFT_display_deko_mask ; No, clear nostop time, display decodata | |
| 329 bsf decostop_active ; Set flag (again) | |
| 330 | |
| 331 ; Copy for profile recording | |
| 332 movff char_O_first_deco_depth,decodata+0 ; ceiling | |
| 333 movff char_O_first_deco_time,decodata+1 ; length of first stop in minues | |
| 334 call TFT_display_deko ; display decodata | |
| 335 call TFT_show_TTS_divemode ; display TTS | |
| 336 | |
| 337 movff char_I_extra_time,WREG | |
| 338 tstfsz WREG ; extra time = 0? | |
| 339 bra calc_deko_divemode4 ; No, compute it | |
| 340 return | |
| 341 | |
| 342 calc_deko_divemode4: | |
| 343 ; Check if extra cycles are needed to compute @5 variant: | |
| 344 decfsz apnoe_mins,F ; Reached count-down ? | |
| 345 return ; No: don't compute yet. | |
| 346 | |
| 347 movlw .6 | |
| 348 movff WREG,char_O_deco_status ; Stole next cycles for @5 variant. | |
| 349 | |
| 350 movlw .2 ; Restart countdown. | |
| 351 movwf apnoe_mins | |
| 352 return ; done. | |
| 353 | |
| 354 ;----------------------------------------------------------------------------- | |
| 355 | |
| 356 divemodemode_togglegf: ; Toggle aGF/GF | |
| 357 bcf toggle_gf ; clear flag | |
| 358 btg use_agf ; Toggle GF | |
| 359 call TFT_gf_mask ; Setup Mask | |
| 360 clrf WREG | |
| 361 movff WREG,char_O_deco_status ; Restart decoplan computation | |
| 362 return | |
| 363 | |
| 364 divemode_setup_sensor_values: | |
| 365 ; sum up sensor values (in xA:2) and active sensors in (xB:2) | |
| 366 clrf xB+0 | |
| 367 clrf xB+1 | |
| 368 clrf xA+0 | |
| 369 clrf xA+1 | |
| 370 btfss hud_status_byte,3 ; Sensor1 active? | |
| 371 bra divemode_setup_sensor_values2 ; No | |
| 372 movf o2_ppo2_sensor1,W | |
| 373 addwf xA+0 | |
| 374 movlw .0 | |
| 375 addwfc xA+1 ; Add into xA:2 | |
| 376 incf xB+0,F ; Add a sensor | |
| 377 divemode_setup_sensor_values2: | |
| 378 btfss hud_status_byte,4 ; Sensor2 active? | |
| 379 bra divemode_setup_sensor_values3 ; No | |
| 380 movf o2_ppo2_sensor2,W | |
| 381 addwf xA+0 | |
| 382 movlw .0 | |
| 383 addwfc xA+1 ; Add into xA:2 | |
| 384 incf xB+0,F ; Add a sensor | |
| 385 divemode_setup_sensor_values3: | |
| 386 btfss hud_status_byte,5 ; Sensor3 active? | |
| 387 bra divemode_setup_sensor_values4 ; No | |
| 388 movf o2_ppo2_sensor3,W | |
| 389 addwf xA+0 | |
| 390 movlw .0 | |
| 391 addwfc xA+1 ; Add into xA:2 | |
| 392 incf xB+0,F ; Add a sensor | |
| 393 divemode_setup_sensor_values4: | |
| 394 call div16x16 ; xA/xB=xC with xA+0 as remainder | |
| 395 movff xC+0,sensor_setpoint ; Copy result | |
| 396 movff sensor_setpoint,char_I_const_ppO2 ; use sensor ppO2 | |
| 397 return | |
| 398 | |
| 399 calc_velocity: ; called every two seconds | |
| 400 btfss divemode | |
| 401 bra do_not_display_velocity ; display velocity only in divemode (Not at the surface after dive) | |
| 402 | |
| 403 calc_velocity2: | |
| 404 SAFE_2BYTE_COPY amb_pressure, sub_a | |
| 405 movff last_pressure_velocity+0,sub_b+0 | |
| 406 movff last_pressure_velocity+1,sub_b+1 | |
| 407 movff sub_a+0,last_pressure_velocity+0 ; store old value for velocity | |
| 408 movff sub_a+1,last_pressure_velocity+1 | |
| 409 | |
| 410 call subU16 ; sub_c = amb_pressure - last_pressure | |
| 411 | |
| 412 movff sub_c+0,xA+0 | |
| 413 movff sub_c+1,xA+1 | |
| 414 movlw d'39' ; 77 when called every second.... | |
| 415 movwf xB+0 | |
| 416 clrf xB+1 | |
| 417 call mult16x16 ; differential pressure in mbar*77... | |
| 418 movff xC+0,divA+0 | |
| 419 movff xC+1,divA+1 | |
| 420 movlw d'7' | |
| 421 movwf divB+0 | |
| 422 call div16 ; devided by 2^7 equals velocity in m/min | |
| 423 | |
| 424 movlw d'99' | |
| 425 cpfsgt divA+0 ; limit to 99m/min | |
| 426 bra calc_velocity3 | |
| 427 movwf divA+0 ; divA=99 | |
| 428 | |
| 429 calc_velocity3: | |
| 430 movlw velocity_warning_level_1 ; lowest threshold for display vertical velocity | |
| 431 subwf divA+0,W ; | |
| 432 btfss STATUS,C | |
| 433 bra do_not_display_velocity | |
| 434 | |
| 435 bsf display_velocity | |
| 436 call TFT_display_velocity ; With divA+0 = m/min... | |
| 437 return | |
| 438 | |
| 439 do_not_display_velocity: | |
| 440 btfss display_velocity ; Velocity was not displayed, do not delete | |
| 441 return | |
| 442 bcf display_velocity ; Velocity was displayed, delete velocity now | |
| 443 call TFT_display_velocity_clear | |
| 444 return | |
| 445 | |
| 446 ;============================================================================= | |
| 447 | |
|
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Show a Safety Stop if enabled (Menu "Deco Parameters")
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parents:
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changeset
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448 set_reset_safety_stop: ; Set flags for safety stop and/or reset safety stop |
|
223579e905c3
Show a Safety Stop if enabled (Menu "Deco Parameters")
heinrichsweikamp
parents:
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449 TSTOSS opt_enable_safetystop ; =1: A safety stop is shown |
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223579e905c3
Show a Safety Stop if enabled (Menu "Deco Parameters")
heinrichsweikamp
parents:
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450 bra delete_safety_stop ; No, don't show safety stop |
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223579e905c3
Show a Safety Stop if enabled (Menu "Deco Parameters")
heinrichsweikamp
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451 |
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Show a Safety Stop if enabled (Menu "Deco Parameters")
heinrichsweikamp
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452 btfsc decostop_active ; Is a deco stop displayed? |
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223579e905c3
Show a Safety Stop if enabled (Menu "Deco Parameters")
heinrichsweikamp
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453 bra delete_safety_stop ; Yes, don't show safety stop |
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Show a Safety Stop if enabled (Menu "Deco Parameters")
heinrichsweikamp
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454 ; Below "safety_stop_reset"? Set flag and reset count-down timer |
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Show a Safety Stop if enabled (Menu "Deco Parameters")
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455 SAFE_2BYTE_COPY rel_pressure, lo |
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456 call adjust_depth_with_salinity ; computes salinity setting into lo:hi [mbar] |
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457 movff lo,sub_a+0 |
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458 movff hi,sub_a+1 |
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459 movlw LOW safety_stop_reset |
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460 movwf sub_b+0 |
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461 movlw HIGH safety_stop_reset |
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462 movwf sub_b+1 |
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463 call subU16 ; sub_c = sub_a - sub_b |
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464 btfss neg_flag |
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465 bra reset_safety_stop ; Below 10m, reset safety stop |
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466 |
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467 ; Above "safety_stop_end"? Clear flag. |
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468 SAFE_2BYTE_COPY rel_pressure, lo |
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469 call adjust_depth_with_salinity ; computes salinity setting into lo:hi [mbar] |
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470 movff lo,sub_a+0 |
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471 movff hi,sub_a+1 |
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472 movlw LOW safety_stop_end |
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473 movwf sub_b+0 |
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474 movlw HIGH safety_stop_end |
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475 movwf sub_b+1 |
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476 call subU16 ; sub_c = sub_a - sub_b |
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477 btfsc neg_flag |
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478 bra delete_safety_stop ; Above 3m, remove safety stop |
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479 |
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480 ; Above "safety_stop_start"? Activate safety stop |
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481 SAFE_2BYTE_COPY rel_pressure, lo |
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482 call adjust_depth_with_salinity ; computes salinity setting into lo:hi [mbar] |
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483 movff lo,sub_a+0 |
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484 movff hi,sub_a+1 |
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485 movlw LOW safety_stop_start |
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486 movwf sub_b+0 |
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487 movlw HIGH safety_stop_start |
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488 movwf sub_b+1 |
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489 call subU16 ; sub_c = sub_a - sub_b |
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490 btfsc neg_flag |
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491 bra acivate_safety_stop ; Above 5m, activate safety stop |
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492 bra reset_safety_stop2 ; Pause safety stop |
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493 |
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494 acivate_safety_stop: |
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495 tstfsz safety_stop_countdown ; Countdown at zero? |
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496 bsf show_safety_stop ; No, Set flag! |
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497 return |
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498 |
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499 delete_safety_stop: |
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500 clrf safety_stop_countdown ; reset timer |
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501 bra reset_safety_stop2 ; Remove safety stop from display |
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502 |
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503 reset_safety_stop: |
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504 movlw safety_stop_length ;[s] |
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505 movwf safety_stop_countdown ; reset timer |
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506 reset_safety_stop2: |
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507 bcf show_safety_stop ; Clear flag |
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508 btfss safety_stop_active ; Safety stop shown |
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509 return ; No, don't delete it |
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510 bcf safety_stop_active ; Clear flag |
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511 call TFT_display_ndl_mask ; Show NDL again |
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512 call TFT_display_ndl |
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513 return |
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514 |
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515 ;============================================================================= |
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516 |
| 0 | 517 timeout_menuview: |
| 518 decfsz timeout_counter3,F ; timeout for menuview | |
| 519 return ; No timeout, return | |
| 520 ; Timeout, clear e.g. "Menu?" | |
| 521 goto menuview_toggle_reset ; "returns" | |
| 522 | |
| 523 timeout_divemode_menu: | |
| 524 decfsz timeout_counter3,F ; timeout for divemode menu | |
| 525 return | |
| 526 | |
| 527 global timeout_divemode_menu2 | |
| 528 timeout_divemode_menu2: ; Called from divemenu_tree.asm | |
| 529 bcf divemode_menu ; Timeout! Clear flag | |
| 530 call TFT_clear_divemode_menu ; Clear menu | |
| 531 call TFT_active_gas_divemode ; Redraw gas/setpoint/diluent | |
| 532 bcf blinking_better_gas ; Clear flag to have temperature updated once | |
| 533 call TFT_temp_divemode ; Displays temperature | |
| 534 | |
| 535 btfss decostop_active ; In deco mode ? | |
| 536 bra timeout_divemode_menu_ndl ; No, show NDL again | |
| 537 ; Show deco | |
| 538 call TFT_display_deko_mask ; clear nostop time, display decodata | |
| 539 call TFT_display_deko | |
| 540 call TFT_show_TTS_divemode | |
| 541 return | |
| 542 timeout_divemode_menu_ndl: ; Show NDL | |
| 543 call TFT_display_ndl_mask ; Clear deco data, display nostop time | |
| 544 call TFT_display_ndl | |
| 545 return | |
| 546 | |
| 547 timeout_divemode: | |
| 548 btfsc divemode_menu ; Divemode menu active? | |
| 549 rcall timeout_divemode_menu ; Yes, check the timeout for it... | |
| 550 | |
| 551 btfsc menuview ; is a menuview shown? | |
| 552 rcall timeout_menuview ; Yes, check the timeout for it... | |
| 553 | |
| 554 btfss realdive ; Dive longer then one minute | |
| 555 return | |
| 556 | |
| 557 btfsc FLAG_apnoe_mode ; In Apnoe mode? | |
|
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558 bra timeout_divemode2 ; Yes, use apnoe_timeout [min] for timeout |
| 0 | 559 |
| 560 ifndef __DEBUG | |
| 561 btfsc simulatormode_active ; In Simulator mode? | |
| 562 bra timeout_divemode3 ; Yes, use simulator timeout | |
| 563 endif | |
| 564 | |
| 565 bcf divemode | |
| 566 incf timeout_counter,F | |
| 567 movlw d'0' | |
| 568 addwfc timeout_counter2,F ; timeout is 15bits | |
| 569 | |
| 570 movlw LOW divemode_timeout | |
| 571 movwf sub_a+0 | |
| 572 movlw HIGH divemode_timeout | |
| 573 movwf sub_a+1 | |
| 574 | |
| 575 movff timeout_counter, sub_b+0 | |
| 576 movff timeout_counter2, sub_b+1 | |
| 577 call subU16 ; sub_c = sub_a - sub_b | |
| 578 btfss neg_flag ; Result negative? | |
| 579 bsf divemode ; No, set flag | |
| 580 return | |
| 581 | |
| 582 timeout_divemode2: | |
| 583 incf timeout_counter,F ; seconds... | |
| 584 movlw d'60' | |
| 585 cpfseq timeout_counter ; timeout_counter=60? | |
| 586 return ; No. | |
| 587 ; One minute timeout done. | |
| 588 clrf timeout_counter | |
| 589 bcf divemode | |
| 590 incf apnoe_timeout_counter,F | |
| 591 movlw apnoe_timeout ; apnoe timeout [min] | |
| 592 cpfseq apnoe_timeout_counter | |
| 593 bsf divemode | |
| 594 return | |
| 595 | |
| 596 timeout_divemode3: | |
| 597 bcf divemode | |
| 598 incf timeout_counter,F | |
| 599 movlw simulator_timeout ; simulator timeout | |
| 600 cpfsgt timeout_counter | |
| 601 bsf divemode | |
| 602 return | |
| 603 | |
| 604 update_temp_and_or_depth: ; New sensor data arrived... | |
| 605 btfsc temp_changed | |
| 606 call TFT_temp_divemode ; Displays temperature | |
| 607 | |
| 608 btfsc pressure_refresh | |
| 609 call TFT_depth ; Displays new depth | |
| 610 | |
| 611 rcall set_max_depth ; update max. depth if required | |
| 612 bcf pressure_refresh ; until new pressure is available | |
| 613 return | |
| 614 | |
| 615 update_divemode60: ; update any minute | |
| 616 call get_battery_voltage ; gets battery voltage | |
| 617 call set_powersafe ; Battery low? | |
| 618 call TFT_max_pressure ; Update max. depth | |
| 619 call customview_minute ; Do every-minute tasks for the custom view area | |
| 620 bcf oneminupdate | |
| 621 | |
| 622 btfss simulatormode_active ; in simulator mode? | |
| 623 return ; No | |
| 624 ; Yes, quite dive mode simulation after 21*256s=89min:36s | |
| 625 movlw .20 | |
| 626 cpfsgt total_divetime_seconds+1 ; Timeout? | |
| 627 return ; No | |
| 628 ifdef __DEBUG | |
| 629 return ; No simulator timeout in debug mode | |
| 630 endif | |
| 631 bra divemode_option1 ; Yes, set to 0m and "return" | |
| 632 | |
| 633 set_max_depth: | |
| 634 movff max_pressure+0,sub_a+0 | |
| 635 movff max_pressure+1,sub_a+1 | |
| 636 SAFE_2BYTE_COPY rel_pressure, sub_b | |
| 637 call subU16 ; sub_c = sub_a - sub_b | |
| 638 ; max_pressure<rel_pressure -> neg_flag=1 | |
| 639 ; rel_pressure<=max_pressure -> neg_flag=0 | |
| 640 btfss neg_flag | |
| 641 return | |
| 642 ; max_pressure<rel_pressure | |
| 643 movff sub_b+0,max_pressure+0 | |
| 644 movff sub_b+1,max_pressure+1 | |
| 645 call TFT_max_pressure ; No, use normal max. depth | |
| 646 return | |
| 647 | |
| 648 set_min_temp: | |
| 649 movff minimum_temperature+0,sub_a+0 | |
| 650 movff minimum_temperature+1,sub_a+1 | |
| 651 SAFE_2BYTE_COPY temperature,sub_b | |
| 652 call sub16 ; sub_c = sub_a - sub_b | |
| 653 ; minimum_temperature<T -> neg_flag=1 | |
| 654 ; T<=minimum_temperature -> neg_flag=0 | |
| 655 btfsc neg_flag | |
| 656 return | |
| 657 ; minimum_temperature>=T | |
| 658 movff sub_b+0,minimum_temperature+0 | |
| 659 movff sub_b+1,minimum_temperature+1 | |
| 660 return | |
| 661 | |
| 662 global set_dive_modes | |
| 663 set_dive_modes: | |
| 664 btfsc high_altitude_mode ; In high altitude (Fly) mode? | |
| 665 bra set_dive_modes3 ; Yes! | |
| 666 | |
| 667 set_dive_modes0: | |
| 668 movlw LOW start_dive_threshold | |
| 669 movwf sub_a+0 ; dive_treshold is in cm | |
| 670 movlw HIGH start_dive_threshold | |
| 671 movwf sub_a+1 ; dive_treshold is in cm | |
| 672 | |
| 673 set_dive_modes1: | |
| 674 SAFE_2BYTE_COPY rel_pressure, sub_b | |
| 675 call subU16 ; sub_c = sub_a - sub_b | |
| 676 | |
| 677 btfss neg_flag | |
| 678 bra set_dive_modes2 ; too shallow (rel_pressure<dive_threshold) | |
| 679 | |
| 680 btfsc realdive ; Dive longer than one minute? | |
| 681 clrf timeout_counter ; Yes, reset timout counter | |
| 682 | |
| 683 set_dive_modes_common: | |
| 684 bsf divemode ; (Re-)Set divemode flag | |
| 685 bsf divemode2 ; displayed divetime is running | |
| 686 return | |
| 687 | |
| 688 set_dive_modes2: | |
| 689 bcf divemode2 ; Stop time | |
| 690 btfss realdive ; dive longer then one minute? | |
| 691 bcf divemode ; no -> this was no real dive | |
| 692 return ; No, return | |
| 693 | |
| 694 | |
| 695 set_dive_modes3: ; High-altitude mode | |
| 696 btfsc realdive ; dive longer then one minute? | |
| 697 bra set_dive_modes0 ; Yes -> this is a real dive -> Use start_dive_threshold or ascend | |
| 698 | |
| 699 movlw HIGH high_altitude_dive_threshold | |
| 700 movwf sub_a+1 | |
| 701 movlw LOW high_altitude_dive_threshold | |
| 702 movwf sub_a+0 | |
| 703 bra set_dive_modes1 | |
| 704 | |
| 705 set_powersafe: | |
| 706 movlw color_code_battery_low+1; [%] | |
| 707 cpfslt batt_percent | |
| 708 return | |
| 709 | |
| 710 movlw d'7' ; Type of Alarm (Battery Low) | |
| 711 movwf AlarmType ; Copy to Alarm Register | |
| 712 bsf event_occured ; Set Event Flag | |
| 713 movlw .0 | |
| 714 movff WREG,opt_brightness ; Set Brightness to ECO | |
| 715 return ; return | |
| 716 | |
| 717 calc_average_depth: | |
| 718 btfsc reset_average_depth ; Reset the Avewrage depth? | |
| 719 rcall reset_average1 ; Reset the resettable average depth | |
| 720 | |
| 721 ; 1. Add new 2xdepth to the Sum of depths registers | |
| 722 SAFE_2BYTE_COPY rel_pressure, xB ; Buffer... | |
| 723 bcf STATUS,C | |
| 724 rlcf xB+0,F | |
| 725 rlcf xB+1,F ; x2 | |
| 726 | |
| 727 movf xB+0,w | |
| 728 addwf average_depth_hold+0,F | |
| 729 movf xB+1,w | |
| 730 addwfc average_depth_hold+1,F | |
| 731 movlw d'0' | |
| 732 addwfc average_depth_hold+2,F | |
| 733 addwfc average_depth_hold+3,F ; Will work up to 9999mbar*60*60*24=863913600mbar | |
| 734 | |
| 735 ; Do the same for the _total registers (Non-Resettable) | |
| 736 movf xB+0,w | |
| 737 addwf average_depth_hold_total+0,F | |
| 738 movf xB+1,w | |
| 739 addwfc average_depth_hold_total+1,F | |
| 740 movlw d'0' | |
| 741 addwfc average_depth_hold_total+2,F | |
| 742 addwfc average_depth_hold_total+3,F ; Will work up to 9999mbar*60*60*24=863913600mbar | |
| 743 | |
| 744 ; 2. Compute Average Depth on base of average_divesecs:2 | |
| 745 movff average_divesecs+0,xB+0 | |
| 746 movff average_divesecs+1,xB+1 ; Copy | |
| 747 movff average_depth_hold+0,xC+0 | |
| 748 movff average_depth_hold+1,xC+1 | |
| 749 movff average_depth_hold+2,xC+2 | |
| 750 movff average_depth_hold+3,xC+3 | |
| 751 | |
| 752 call div32x16 ; xC:4 / xB:2 = xC+3:xC+2 with xC+1:xC+0 as remainder | |
| 753 movff xC+0,avr_rel_pressure+0 | |
| 754 movff xC+1,avr_rel_pressure+1 | |
| 755 | |
|
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756 btfss divemode2 ; displayed divetime is running? |
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757 return ; No (e.g. too shallow) |
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758 |
| 0 | 759 ; 3. Compute Total Average Depth on base of total_divetime_seconds:2 |
| 760 movff total_divetime_seconds+0,xB+0 | |
| 761 movff total_divetime_seconds+1,xB+1 ; Copy | |
| 762 movff average_depth_hold_total+0,xC+0 | |
| 763 movff average_depth_hold_total+1,xC+1 | |
| 764 movff average_depth_hold_total+2,xC+2 | |
| 765 movff average_depth_hold_total+3,xC+3 | |
| 766 call div32x16 ; xC:4 / xB:2 = xC+3:xC+2 with xC+1:xC+0 as remainder | |
| 767 movff xC+0,avr_rel_pressure_total+0 | |
| 768 movff xC+1,avr_rel_pressure_total+1 | |
| 769 | |
| 770 return | |
| 771 | |
| 772 reset_average1: | |
| 773 clrf average_depth_hold+0 | |
| 774 clrf average_depth_hold+1 | |
| 775 clrf average_depth_hold+2 | |
| 776 clrf average_depth_hold+3 ; Clear average depth register | |
| 777 movlw d'2' | |
| 778 movwf average_divesecs+0 | |
| 779 clrf average_divesecs+1 | |
| 780 bcf reset_average_depth ; Clear flag | |
| 781 return | |
| 782 | |
| 783 test_switches_divemode: ; checks switches in divemode | |
| 784 btfsc divemode_menu ; Divemode menu shown? | |
| 785 bra test_switches_divemode_menu ; Yes, use menu processor | |
| 786 btfsc switch_left | |
| 787 bra test_switches_divemode2 ; Enter button pressed, check if we need to do something | |
| 788 btfss switch_right | |
| 789 return ; No button press | |
| 790 tstfsz menupos2 ; any option shown? | |
| 791 bra test_switches_divemode1 ; Yes, do option tasks | |
| 792 bsf toggle_customview ; No, toggle custom view | |
| 793 return | |
| 794 | |
| 795 test_switches_divemode_menu: | |
| 796 btfsc switch_left | |
| 797 bra test_switches_divemode_menu2 ; Move cursor | |
| 798 btfsc switch_right | |
| 799 bra test_switches_divemode_menu3 ; Enter submenu or do something | |
| 800 return ; No button press | |
| 801 | |
| 802 test_switches_divemode_menu1: | |
| 803 clrf menupos | |
| 804 test_switches_divemode_menu2: | |
| 805 incf menupos,F | |
| 806 incf menupos4,W ; menupos4+1 -> WREG | |
| 807 cpfslt menupos ; >menupos4 (Set in menu_processor.asm)? | |
| 808 bra test_switches_divemode_menu1; > Yes, set to 1 | |
| 809 call TFT_divemode_menu_cursor ; Update the cursor | |
| 810 bcf switch_left | |
| 811 movlw divemode_menu_timeout ; Reload timeout | |
| 812 movwf timeout_counter3 ; timeout for divemode menu | |
| 813 return | |
| 814 | |
| 815 test_switches_divemode_menu3: ; Enter submenu or do something | |
| 816 bcf switch_right | |
| 817 ; decf menupos,F ; menu_processor needs 0-5... | |
| 818 extern do_line_menu | |
| 819 goto do_line_menu ; Warning! Trashes STKPTR and returns to diveloop_loop4: | |
| 820 | |
| 821 test_switches_divemode1: | |
| 822 bcf switch_right | |
| 823 movlw divemode_menuview_timeout | |
| 824 movwf timeout_counter3 ; Reload timeout | |
| 825 movff menupos2,WREG ; Menupos3 holds number of customview/divemode menu function | |
| 826 dcfsnz WREG,F | |
| 827 bra divemode_option0 ; Start/Setup Divemode menu | |
| 828 dcfsnz WREG,F | |
| 829 bra divemode_option1 ; Quit Simulation? | |
| 830 dcfsnz WREG,F | |
| 831 bra divemode_option2 ; Descent 1m | |
| 832 dcfsnz WREG,F | |
| 833 bra divemode_option3 ; Ascend 1m | |
| 834 dcfsnz WREG,F | |
| 835 bra divemode_option4 ; Quit Apnoe mode | |
| 836 dcfsnz WREG,F | |
| 837 bra divemode_option5 ; Reset Stopwatch (In Gauge mode) | |
| 838 return | |
| 839 | |
| 840 test_switches_divemode2: | |
| 841 bcf switch_left | |
| 842 call menuview_toggle ; Menu or Simulator tasks | |
| 843 return | |
| 844 | |
| 845 gas_switched_common: | |
|
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846 bcf divemode_gaschange ; Clear flag |
|
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847 |
| 0 | 848 decf menupos,W ; 1-5 -> 0-4 |
| 849 btfss FLAG_ccr_mode ; Choose OC Gases | |
| 850 rcall setup_gas_registers ; With WREG=Gas 0-4 | |
| 851 btfsc FLAG_ccr_mode ; Choose CC Diluents | |
| 852 rcall setup_dil_registers ; With WREG=Gas 0-4 | |
| 853 | |
| 854 decf menupos,W ; 1-5 -> 0-4 | |
| 855 btfsc is_bailout ; Choose OC Bailouts (OC Gases) | |
| 856 rcall setup_gas_registers ; With WREG=Gas 0-4 | |
| 857 | |
| 858 call TFT_active_gas_divemode ; Display gas/Setpoint | |
| 859 clrf WREG | |
| 860 movff WREG,char_O_deco_status ; Restart decoplan computation | |
| 98 | 861 |
| 862 ; Set flags for profile recording | |
| 863 bsf event_occured ; Set global event byte | |
| 864 btfsc is_bailout ; Choose OC Bailouts (OC Gases) | |
| 865 bsf bailoutgas_event ; Bailout gas change | |
| 866 btfss is_bailout ; Choose OC Bailouts (OC Gases) | |
| 867 bsf stored_gas_changed ; OC gas change | |
| 0 | 868 return |
| 869 | |
| 870 global setup_gas_registers | |
| 871 setup_gas_registers: ; With WREG=Gas 0-4 | |
| 872 lfsr FSR1,opt_gas_O2_ratio+0 | |
| 873 movff PLUSW1,char_I_O2_ratio ; O2 (For ppO2 calculations) | |
| 874 lfsr FSR1,opt_gas_He_ratio+0 | |
| 875 movff PLUSW1,char_I_He_ratio ; He | |
| 876 incf WREG,W ; Gas# 1-5 | |
| 877 movff WREG,char_I_current_gas ; Set gas | |
| 878 movff WREG,active_gas ; Set for logbook and display | |
| 879 banksel char_I_O2_ratio | |
| 880 movf char_I_O2_ratio,W ; Add O2... | |
| 881 addwf char_I_He_ratio,W ; ...and He... | |
| 882 sublw .100 ; ...subtract both from 100 | |
| 883 movwf char_I_N2_ratio ; -> N2! | |
| 884 banksel common | |
| 885 return | |
| 886 | |
| 887 global setup_dil_registers | |
| 888 setup_dil_registers: ; With WREG=dil 0-4 | |
|
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889 btfsc is_bailout |
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|
890 return ; Ignore in bailout |
| 0 | 891 lfsr FSR1,opt_dil_O2_ratio+0 |
| 892 movff PLUSW1,char_I_O2_ratio ; O2 (For ppO2 calculations) | |
| 893 lfsr FSR1,opt_dil_He_ratio+0 | |
| 894 movff PLUSW1,char_I_He_ratio ; He | |
| 895 incf WREG,W ; Gas# 1-5 | |
| 896 movff WREG,char_I_current_gas ; Set gas | |
| 897 movff WREG,active_gas ; Set for logbook and display | |
|
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898 movff WREG,active_diluent ; As a backup when switching back from Bailout to CCR |
| 0 | 899 banksel char_I_O2_ratio |
| 900 movf char_I_O2_ratio,W ; Add O2... | |
| 901 addwf char_I_He_ratio,W ; ...and He... | |
| 902 sublw .100 ; ...subtract both from 100 | |
| 903 movwf char_I_N2_ratio ; -> N2! | |
| 904 banksel common | |
| 905 return | |
| 906 | |
| 907 divemode_option0: ; Start/Setup Divemode menu | |
| 908 call TFT_clear_divemode_menu ; Clear menu area | |
| 909 bcf menuview | |
| 910 extern do_main_divemenu | |
| 911 call do_main_divemenu | |
| 912 global divemode_option0_return | |
| 913 divemode_option0_return: | |
| 914 ; movlw .1 | |
| 915 ; movwf menupos ; Set to first option in divemode menu | |
| 916 call TFT_divemode_menu_cursor; Show the cursor | |
| 917 movlw divemode_menu_timeout | |
| 918 movwf timeout_counter3 ; timeout for divemode menu | |
| 919 bsf divemode_menu ; Set flag | |
| 920 clrf menupos2 ; Clear option counter | |
| 921 bra diveloop_loop4 ; Goto back to diveloop (Menuprocessor trashes STKPTR!) | |
| 922 | |
| 923 divemode_option4: | |
| 924 movlw d'58' ; two seconds left | |
| 925 movwf timeout_counter | |
| 926 movlw apnoe_timeout-1 ; apnoe timeout [min] | |
| 927 movwf apnoe_timeout_counter | |
| 928 btfss simulatormode_active ; in simulator mode? | |
| 929 return ; No | |
| 930 divemode_option1: ; Quit simulation mode | |
| 931 banksel isr_backup | |
| 932 movlw low .1000 | |
| 933 movwf sim_pressure+0 | |
| 934 movlw high .1000 | |
| 935 movwf sim_pressure+1 ; Set to 0m -> End of Dive | |
| 936 banksel common | |
| 937 call menuview_toggle_reset ; Reset to zero (Zero=no menuview) | |
| 938 | |
| 939 btfss FLAG_apnoe_mode ; In Apnoe mode? | |
| 940 return ; No | |
| 941 movlw d'58' ; two seconds left | |
| 942 movwf timeout_counter | |
| 943 movlw apnoe_timeout-1 ; apnoe timeout [min] | |
| 944 movwf apnoe_timeout_counter | |
| 945 return | |
| 946 | |
| 947 divemode_option3: ; minus 1m | |
| 948 banksel isr_backup | |
| 949 movlw d'100' | |
| 950 subwf sim_pressure+0 | |
| 951 movlw .0 | |
| 952 subwfb sim_pressure+1 | |
| 953 rcall divemode_simulator_check_limits | |
| 954 banksel common | |
| 955 return | |
| 956 | |
| 957 divemode_option2: ; plus 1m | |
| 958 banksel isr_backup | |
| 959 movlw d'100' | |
| 960 addwf sim_pressure+0 | |
| 961 movlw .0 | |
| 962 addwfc sim_pressure+1 | |
| 963 rcall divemode_simulator_check_limits | |
| 964 banksel common | |
| 965 return | |
| 966 | |
| 967 divemode_option5: | |
| 968 call menuview_toggle_reset ; Reset to zero (Zero=no menuview) | |
| 969 bsf reset_average_depth ; Set Flag | |
| 970 return | |
| 971 | |
| 972 divemode_simulator_check_limits: | |
| 973 ; Check limits (150m and 0m) | |
| 974 movlw LOW d'16000' ; Compare to 16bar=16000mbar (150m). | |
| 975 subwf sim_pressure+0,W | |
| 976 movlw HIGH d'16000' | |
| 977 subwfb sim_pressure+1,W | |
| 978 bnc divemode_simulator_check_limits2 ; No-carry = borrow = not deeper | |
| 979 | |
| 980 ; Too deep, limit to 150m | |
| 981 movlw LOW d'16000' | |
| 982 movwf sim_pressure+0 | |
| 983 movlw HIGH d'16000' | |
| 984 movwf sim_pressure+1 | |
| 985 return | |
| 986 divemode_simulator_check_limits2: | |
| 987 movlw LOW d'1000' ; Compare to 1bar == 0m == 1000 mbar. | |
| 988 subwf sim_pressure+0,W | |
| 989 movlw HIGH d'1000' | |
| 990 subwfb sim_pressure+1,W | |
| 991 btfsc STATUS,C ; No-carry = borrow = not deeper. | |
| 992 return ; Deeper than 0m == Ok. | |
| 993 ; Too shallow, limit to 0m | |
| 994 movlw LOW d'1000' | |
| 995 movwf sim_pressure+0 | |
| 996 movlw HIGH d'1000' | |
| 997 movwf sim_pressure+1 | |
| 998 return | |
| 999 | |
| 1000 ;============================================================================= | |
| 1001 ; Compare all enabled gas in list, to see if a better one is available. | |
| 1002 ; | |
| 1003 ; Output: better_gas_available, better_gas_number | |
| 1004 ; | |
| 1005 check_gas_change: ; Checks if a better gas should be selected (by user) | |
| 1006 bcf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode | |
| 1007 clrf better_gas_number ; Clear better gas register | |
| 1008 | |
| 1009 SAFE_2BYTE_COPY rel_pressure,xA | |
| 1010 movlw d'100' | |
| 1011 movwf xB+0 | |
| 1012 clrf xB+1 | |
| 1013 call div16x16 ; compute depth in full m -> result in xC+0 | |
| 1014 | |
| 1015 btfss FLAG_ccr_mode ; In CCR mode... | |
| 1016 bra check_gas_change_OC_bail; No, check for OC or bailout | |
| 1017 btfsc is_bailout ; Bailout? | |
| 1018 bra check_gas_change_OC_bail; Yes, check for OC or bailout | |
| 1019 | |
| 1020 ; Check Diluents | |
| 1021 movlw .0 | |
| 1022 rcall check_dil_common ; With Gas 0-4 in WREG | |
| 1023 movlw .1 | |
| 1024 rcall check_dil_common ; With Gas 0-4 in WREG | |
| 1025 movlw .2 | |
| 1026 rcall check_dil_common ; With Gas 0-4 in WREG | |
| 1027 movlw .3 | |
| 1028 rcall check_dil_common ; With Gas 0-4 in WREG | |
| 1029 movlw .4 | |
| 1030 rcall check_dil_common ; With Gas 0-4 in WREG | |
| 1031 bra check_gas_change_exit | |
| 1032 | |
| 1033 check_gas_change_OC_bail: | |
| 1034 movlw .0 | |
| 1035 rcall check_gas_common ; With Gas 0-4 in WREG | |
| 1036 movlw .1 | |
| 1037 rcall check_gas_common ; With Gas 0-4 in WREG | |
| 1038 movlw .2 | |
| 1039 rcall check_gas_common ; With Gas 0-4 in WREG | |
| 1040 movlw .3 | |
| 1041 rcall check_gas_common ; With Gas 0-4 in WREG | |
| 1042 movlw .4 | |
| 1043 rcall check_gas_common ; With Gas 0-4 in WREG | |
| 1044 ; bra check_gas_change_exit | |
| 1045 check_gas_change_exit: | |
| 1046 btfss better_gas_available ; Is a better gas available | |
| 1047 bcf blinking_better_gas ; No, Clear blinking flag | |
| 1048 btfss better_gas_available ; Is a better gas available | |
| 1049 clrf better_gas_number ; No, Clear better_gas_number (For gaslist display) | |
| 1050 call TFT_active_gas_divemode ; Display gas/Setpoint | |
| 1051 return | |
| 1052 | |
| 1053 check_gas_common: ; With Gas 0-4 in WREG | |
| 1054 btfsc better_gas_available ; Better Gas already found? | |
| 1055 return ; Yes, return | |
| 1056 lfsr FSR1,opt_gas_type ; 0=Disabled, 1=First, 2=Travel, 3=Deco | |
| 1057 btfss PLUSW1,0 ; Test for Bit0 and 1 -> type=3 -> Deco | |
| 1058 return ; No | |
| 1059 btfss PLUSW1,1 ; Test for Bit0 and 1 -> type=3 -> Deco | |
| 1060 return ; No | |
| 1061 incf WREG,W ; 1-5 | |
| 1062 cpfseq active_gas ; is this gas currently selected? | |
| 1063 bra check_gas_common2 ; No | |
| 1064 return ; Yes, skip test for active gas | |
| 1065 check_gas_common2: | |
| 1066 decf WREG,W ; 0-4 | |
| 1067 movwf hi ; Save tested gas 0-4 | |
|
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|
1068 lfsr FSR1,opt_OC_bail_gas_change |
| 0 | 1069 movff PLUSW1,lo ; Change depth into lo |
| 1070 movlw minimum_change_depth | |
| 1071 cpfsgt lo ; Change depth>minimum_change_depth? | |
| 1072 return ; No, Change depth not deep enough, skip! | |
| 1073 movf xC+0,W ; load depth in m into WREG | |
| 1074 cpfsgt lo ; gas_change_depth < current depth? | |
| 69 | 1075 bra check_gas_common3 ; No, check if we are within the better_gas_window_pos window |
| 1076 incf hi,W ; 1-5 | |
| 1077 movwf better_gas_number ; number (1-5) of the "better gas" in divemode, =0: no better gas available | |
| 1078 movlw better_gas_window_neg | |
| 1079 subwf lo,W ; Change depth-better_gas_window_neg | |
| 1080 cpfslt xC+0 ; current depth<Change depth-better_gas_window_neg? | |
| 1081 bsf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode | |
| 1082 return | |
| 1083 | |
| 1084 check_gas_common3: | |
| 0 | 1085 incf hi,W ; 1-5 |
| 1086 movwf better_gas_number ; number (1-5) of the "better gas" in divemode, =0: no better gas available | |
| 69 | 1087 movlw better_gas_window_pos |
| 1088 addwf lo,W ; Change depth+better_gas_window_pos | |
| 1089 cpfsgt xC+0 ; current depth>Change depth+better_gas_window_pos? | |
| 1090 bra check_gas_common4 ; Ok, now check the better gas ppO2<opt_ppO2_max | |
| 1091 return | |
| 1092 | |
| 1093 check_gas_common4: | |
| 1094 movf hi,W ; 0-4 | |
| 1095 lfsr FSR1,char_I_deco_N2_ratio | |
| 1096 movff PLUSW1,lo ; N2 ratio into lo | |
| 1097 lfsr FSR1,char_I_deco_He_ratio | |
| 1098 movff PLUSW1,xB+0 ; He ratio into xB+0 | |
| 1099 movf xB+0,W | |
| 1100 addwf lo,F | |
| 1101 movlw .101 | |
| 1102 bcf STATUS,C | |
| 1103 subfwb lo,F ; O2 ratio in lo | |
| 1104 | |
| 1105 SAFE_2BYTE_COPY amb_pressure, xA | |
| 1106 movlw d'10' | |
| 1107 movwf xB+0 | |
| 1108 clrf xB+1 | |
| 1109 call div16x16 ; xC=p_amb/10 | |
| 1110 movff xC+0,xA+0 | |
| 1111 movff xC+1,xA+1 | |
| 1112 movff lo,xB+0 ; =O2 ratio | |
| 1113 clrf xB+1 | |
| 1114 call mult16x16 ; lo * p_amb/10 | |
| 1115 | |
| 1116 ; Check very high ppO2 manually | |
| 1117 tstfsz xC+2 ; char_I_O2_ratio * p_amb/10 > 65536, ppO2>6,55bar? | |
| 1118 return ; Done. | |
| 1119 ; Check if ppO2>3,30bar | |
| 1120 btfsc xC+1,7 | |
| 1121 return ; Done. | |
| 1122 | |
| 1123 ; ; Check for low ppo2 | |
| 1124 ; movff xC+0,sub_b+0 | |
| 1125 ; movff xC+1,sub_b+1 | |
| 1126 ; movff opt_ppO2_min,WREG | |
| 1127 ; mullw d'100' ; opt_ppO2_min*100 | |
| 1128 ; movff PRODL,sub_a+0 | |
| 1129 ; movff PRODH,sub_a+1 | |
| 1130 ; call subU16 | |
| 1131 ; btfss neg_flag | |
| 1132 ; return ; Done (Too low). | |
| 1133 | |
| 1134 ;check if we are within our warning thresholds! | |
| 1135 movff xC+0,sub_b+0 | |
| 1136 movff xC+1,sub_b+1 | |
| 1137 movff opt_ppO2_max,WREG ; PPO2 Max for MOD calculation and color coding in divemode | |
| 1138 addlw .1 ; e.g. >1.60 | |
| 1139 mullw d'100' ; opt_ppO2_max*100 | |
| 1140 movff PRODL,sub_a+0 | |
| 1141 movff PRODH,sub_a+1 | |
| 1142 call subU16 | |
| 1143 btfss neg_flag | |
| 0 | 1144 bsf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode |
| 69 | 1145 return ; Done. |
| 0 | 1146 |
| 1147 check_dil_common: ; With Dil 0-4 in WREG | |
| 1148 btfsc better_gas_available ; Better Diluent already found? | |
| 1149 return ; Yes, return | |
| 1150 lfsr FSR1,opt_dil_type ; 0=Disabled, 1=First, 2=Normal | |
| 1151 tstfsz PLUSW1 ; =0? | |
| 1152 bra check_dil_common1 ; No | |
| 1153 return ; Yes, skip inactive diluents for test | |
| 1154 check_dil_common1: | |
| 1155 incf WREG,W ; 1-5 | |
| 1156 cpfseq active_gas ; is this diluent currently selected? | |
| 1157 bra check_dil_common2 ; No | |
| 1158 return ; Yes, skip test for active diluent | |
| 1159 check_dil_common2: | |
| 1160 decf WREG,W ; 0-4 | |
| 1161 movwf hi ; Save tested diluent 0-4 | |
| 1162 lfsr FSR1,char_I_dil_change | |
| 1163 movff PLUSW1,lo ; Change depth into lo | |
| 1164 movlw minimum_change_depth | |
| 1165 cpfsgt lo ; Change depth>minimum_change_depth? | |
| 1166 return ; No, Change depth not deep enough, skip! | |
| 1167 movf xC+0,W ; load depth in m into WREG | |
| 1168 cpfsgt lo ; gas_change_depth < current depth? | |
| 1169 return ; No, check next gas | |
| 1170 incf hi,W ; 1-5 | |
| 1171 addlw .5 ; 6-10 | |
| 1172 movwf better_gas_number ; number (1-5) of the "better gas" in divemode, =0: no better gas available | |
| 69 | 1173 movlw better_gas_window_neg |
| 1174 subwf lo,W ; Change depth-better_gas_window_neg | |
| 1175 cpfslt xC+0 ; current depth<Change depth-better_gas_window_neg? | |
| 0 | 1176 bsf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode |
| 1177 return | |
| 1178 | |
| 1179 ;============================================================================= | |
| 1180 ; Setup everything to enter divemode. | |
| 1181 ; | |
| 1182 | |
| 1183 dive_boot_oc: | |
| 1184 extern get_first_gas_to_WREG | |
| 1185 call get_first_gas_to_WREG ; Gets first gas (0-4) into WREG | |
| 1186 movff WREG,char_I_first_gas ; Copy for compatibility | |
| 1187 movff WREG,active_gas ; Set for logbook and display | |
| 1188 rcall setup_gas_registers ; With WREG=Gas 0-4 | |
| 1189 return | |
| 1190 | |
| 1191 dive_boot_cc: | |
| 1192 rcall divemode_setup_sensor_values ; setup sensor values | |
| 1193 TSTOSS opt_ccr_mode ; =0: Fixed SP, =1: Sensor | |
| 1194 movff char_I_setpoint_cbar+0,char_I_const_ppO2 ; Setup fixed Setpoint (Always start with SP1) | |
| 1195 extern get_first_dil_to_WREG | |
| 1196 call get_first_dil_to_WREG ; Gets first gas (0-4) into WREG | |
| 1197 movff WREG,char_I_first_gas ; Copy for compatibility | |
| 1198 movff WREG,active_gas ; Set for logbook and display | |
| 1199 rcall setup_dil_registers ; With WREG=Gas 0-4 | |
| 1200 return | |
| 1201 | |
| 1202 diveloop_boot: | |
| 1203 call restart_set_modes_and_flags | |
| 1204 | |
| 1205 call I2C_sleep_accelerometer ; Stop accelerometer | |
| 1206 call I2C_sleep_compass ; Stop compass | |
| 1207 | |
| 1208 clrf WREG | |
| 1209 movff WREG,max_pressure+0 ; clear some variables | |
| 1210 movff WREG,max_pressure+1 | |
| 1211 | |
| 1212 bcf use_agf ; Start with normal GF set | |
| 1213 bcf divemode_menu ; clear divemode menu flag | |
| 1214 movlw d'1' | |
| 1215 movwf apnoe_max_pressure+0 | |
| 1216 clrf apnoe_max_pressure+1 | |
| 1217 clrf apnoe_surface_mins | |
| 1218 clrf apnoe_surface_secs | |
| 1219 clrf apnoe_mins | |
| 1220 clrf divemins+0 | |
| 1221 clrf divemins+1 | |
| 1222 bcf no_more_divesecs ; =1: Do no longer show seconds in divemode | |
| 1223 bcf divemode_menu_active | |
| 1224 clrf menupos | |
| 1225 clrf menupos2 ; Reset to zero (Zero=no premenu or simulator task) | |
| 1226 | |
| 1227 bcf is_bailout ; =1: Bailout | |
| 1228 btfss FLAG_ccr_mode | |
| 1229 rcall dive_boot_oc | |
| 1230 btfsc FLAG_ccr_mode | |
| 1231 rcall dive_boot_cc | |
| 1232 | |
| 1233 bcf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode | |
| 1234 clrf better_gas_number ; Clear better gas register | |
| 1235 | |
|
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1236 bcf show_safety_stop ;=1: Show the safety stop |
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1237 clrf safety_stop_countdown ; Clear count-down |
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1238 |
| 0 | 1239 clrf samplesecs |
| 1240 clrf apnoe_timeout_counter ; timeout in minutes | |
| 1241 clrf timeout_counter ; takes care of the timeout (Low byte) | |
| 1242 clrf timeout_counter2 ; takes care of the timeout (High byte) | |
| 1243 clrf AlarmType ; Clear all alarms | |
| 1244 bcf event_occured ; clear flag | |
| 98 | 1245 bcf event2_occured ; clear flag |
| 0 | 1246 clrf total_divetime_seconds+1 |
| 1247 clrf average_depth_hold_total+0 | |
| 1248 clrf average_depth_hold_total+1 | |
| 1249 clrf average_depth_hold_total+2 | |
| 1250 clrf average_depth_hold_total+3 ; Clear Non-Resettable Average | |
| 1251 rcall reset_average1 ; Reset the resettable average depth | |
| 1252 bcf decostop_active | |
| 1253 bcf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode | |
| 1254 call ghostwriter_short_header ; Write short header with divenumber into profile memory | |
| 1255 | |
| 1256 btfsc simulatormode_active | |
| 1257 bra diveloop_boot_1 | |
| 1258 ; Normal mode = Surface pressure is the pressure 30mn before dive. | |
| 1259 SAFE_2BYTE_COPY last_surfpressure_30min, int_I_pres_surface ;copy surfacepressure to deco routine | |
| 1260 SAFE_2BYTE_COPY last_surfpressure_30min, last_surfpressure ;copy surfacepressure to last_surfpressure for correct depth | |
| 1261 bra diveloop_boot_2 | |
| 1262 | |
| 1263 diveloop_boot_1: | |
| 1264 ; Simulator mode: Surface pressure is 1bar. | |
| 1265 movlw LOW .1000 | |
| 1266 movff WREG,int_I_pres_surface+0 ; LOW copy surfacepressure to deco routine | |
| 1267 movlw HIGH .1000 | |
| 1268 movff WREG,int_I_pres_surface+1 ; HIGH copy surfacepressure to deco routine | |
| 1269 | |
| 1270 diveloop_boot_2: | |
| 1271 SAFE_2BYTE_COPY temperature,minimum_temperature ; Reset Min-Temp registers | |
| 1272 | |
| 1273 ; Init profile recording parameters | |
|
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1274 movff samplingrate,samplesecs_value ; to avoid EEPROM access in the ISR |
| 0 | 1275 movlw div_temperature |
| 1276 movwf divisor_temperature ; load divisors for profile storage | |
| 1277 movlw div_deco | |
| 1278 movwf divisor_deco | |
| 1279 movlw div_gf | |
| 1280 movwf divisor_gf | |
| 1281 movlw div_ppo2_sensors | |
| 1282 movwf divisor_ppo2_sensors | |
| 1283 movlw div_decoplan | |
| 1284 movwf divisor_decoplan | |
| 1285 movlw div_cns | |
| 1286 movwf divisor_cns | |
| 1287 movlw div_tank | |
| 1288 movwf divisor_tank | |
| 1289 | |
| 1290 btfss FLAG_apnoe_mode ; In Apnoe mode? | |
|
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1291 bra divemode_boot1 |
| 0 | 1292 ; Overwrite some parameters in Apnoe mode.... |
| 1293 movlw samplingrate_apnoe | |
| 1294 movwf samplesecs_value ; to avoid EEPROM access in the ISR | |
|
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1295 divemode_boot1: |
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1296 btfsc FLAG_ccr_mode ; =1: CCR mode (Fixed ppO2 or Sensor) active |
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1297 bra divemode_boot2 |
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1298 ; in OC Mode, disable ppO2 logging |
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1299 movlw .0 |
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1300 movwf divisor_ppo2_sensors |
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1301 divemode_boot2: |
| 0 | 1302 |
| 1303 bcf LEDg | |
| 1304 bcf LEDr | |
| 1305 bcf realdive | |
| 1306 btfss simulatormode_active ; do not disable in simulator mode! | |
| 1307 call disable_rs232 ; Disable RS232 | |
| 1308 btfsc enable_screen_dumps ; =1: Ignore vin_usb, wait for "l" command (Screen dump) | |
| 1309 call enable_rs232 ; Also sets to speed_normal ... | |
|
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1310 ; Reset divetime seconds |
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1311 movlw .2 ; Start at 2seconds |
| 0 | 1312 movwf total_divetime_seconds+0 |
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1313 movwf divesecs |
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1314 movwf apnoe_secs |
| 0 | 1315 bsf divemode2 ; displayed divetime is running (Divetime starts HERE) |
| 1316 | |
| 1317 movff int_O_CNS_fraction+0,CNS_start+0 | |
| 1318 movff int_O_CNS_fraction+1,CNS_start+1 ; Save CNS value at beginning of dive | |
| 1319 movff char_O_relative_gradient_GF,GF_start ; Save GF value at beginning of dive | |
| 1320 return ; Done with divemode boot | |
| 1321 | |
| 1322 divemode_check_for_warnings: | |
| 1323 btfss secs,1 ; Every four seconds | |
| 1324 return | |
| 1325 | |
| 1326 movf warning_counter_backup,W | |
| 1327 cpfseq warning_counter ; warning_counter_backup = warning_counter? | |
| 1328 call TFT_clear_warning_text ; No, clear all warnings | |
| 1329 movff warning_counter,warning_counter_backup ; copy warning_counter | |
| 1330 | |
| 1331 bcf warning_active ; Clear flag | |
| 1332 clrf warning_counter ; Clear counter | |
| 1333 | |
| 1334 ; Warnings for all modes | |
| 1335 call check_warn_battery ; Check if the battery level should be displayed/warned | |
| 55 | 1336 call check_divetimeout ; Not actually a warning. Check and show the divemode timeout |
| 0 | 1337 |
| 1338 btfsc FLAG_apnoe_mode ; Done for Apnoe or Gauge mode | |
| 1339 bra divemode_check_for_warnings2 | |
| 1340 btfsc FLAG_gauge_mode ; Done for Apnoe or Gauge mode | |
| 1341 bra divemode_check_for_warnings2 | |
| 1342 | |
| 1343 ; Warnings only in deco modes | |
| 1344 btfss FLAG_ccr_mode ; Don't check in CCR mode | |
| 1345 rcall check_ppO2 ; check ppO2 and displays warning, if required | |
| 1346 btfsc is_bailout ; But check in Bailout case... | |
| 1347 rcall check_ppO2 ; check ppO2 and displays warning, if required | |
| 1348 rcall check_cns_violation ; Check CNS value and display it, if required | |
| 1349 btfsc decostop_active ; In deco mode? | |
| 1350 rcall check_and_store_gf_violation ; Yes, Sets warnings, if required | |
| 1351 btfsc decostop_active ; In deco mode? | |
| 1352 call TFT_ftts ; Show @+x time | |
| 1353 btfsc use_agf ; In aGF mode? | |
| 1354 rcall warn_agf ; Yes, show a warning for it | |
| 1355 | |
| 1356 divemode_check_for_warnings2: | |
| 1357 ; Display the warning icon? | |
| 1358 btfsc warning_active ; Any warning active? | |
| 1359 call TFT_divemode_warning ; Yes | |
| 1360 btfss warning_active ; Any warning active? | |
| 1361 call TFT_divemode_warning_clear ; No, clear warning icon | |
| 1362 | |
| 1363 ; Setup warning_page number | |
| 1364 incf warning_page,F | |
| 1365 bcf STATUS,C | |
| 1366 rlcf warning_page,W ; *2 | |
| 1367 cpfsgt warning_counter ; > warning_counter | |
| 1368 clrf warning_page ; No, clear | |
| 1369 | |
| 1370 ; Clear 2nd row of warnings if there is nothing to show (on this page) | |
| 1371 btfss second_row_warning ; =1: The second row contains a warning | |
| 1372 call TFT_clear_warning_text_2nd_row ; No, clear this row | |
| 1373 return ; Done. | |
| 1374 | |
| 1375 global check_warn_battery | |
| 1376 check_warn_battery: | |
| 1377 movff batt_percent,lo | |
| 1378 movlw battery_show_level+1 | |
| 1379 cpfslt lo | |
| 1380 return ; No Display, no warning | |
| 1381 ; Display Battery, but warn? | |
| 1382 incf warning_counter,F ; increase counter | |
| 1383 call TFT_update_batt_percent_divemode ; Show percent | |
| 1384 | |
| 86 | 1385 movff batt_percent,lo |
| 0 | 1386 movlw color_code_battery_low+1 |
| 1387 cpfslt lo ; | |
| 1388 return ; No warning | |
| 1389 bsf warning_active ; Set Warning flag | |
| 1390 return | |
| 1391 | |
| 55 | 1392 check_divetimeout: |
| 1393 btfsc divemode2 | |
| 1394 return ; displayed divetime is not running | |
| 1395 incf warning_counter,F ; increase counter | |
| 1396 call TFT_divetimeout ; Show timeout counter | |
| 1397 return | |
| 1398 | |
| 1399 | |
| 0 | 1400 check_ppO2: ; check current ppO2 and display warning if required |
| 1401 SAFE_2BYTE_COPY amb_pressure, xA | |
| 1402 movlw d'10' | |
| 1403 movwf xB+0 | |
| 1404 clrf xB+1 | |
| 1405 call div16x16 ; xC=p_amb/10 | |
| 1406 | |
| 1407 movff xC+0,xA+0 | |
| 1408 movff xC+1,xA+1 | |
| 1409 movff char_I_O2_ratio,xB+0 ; =O2 ratio | |
| 1410 clrf xB+1 | |
| 1411 call mult16x16 ; char_I_O2_ratio * p_amb/10 | |
| 1412 | |
| 1413 ; Check very high ppO2 manually | |
| 1414 tstfsz xC+2 ; char_I_O2_ratio * p_amb/10 > 65536, ppO2>6,55bar? | |
| 1415 bra check_ppO2_1 ; Yes, display Value! | |
| 1416 ; Check if ppO2>3,30bar | |
| 1417 btfsc xC+1,7 | |
| 1418 bra check_ppO2_1 ; Yes! | |
| 1419 | |
| 1420 ; Check for low ppo2 | |
| 1421 movff xC+0,sub_b+0 | |
| 1422 movff xC+1,sub_b+1 | |
| 1423 movff opt_ppO2_min,WREG | |
| 1424 mullw d'100' ; opt_ppO2_min*100 | |
| 1425 movff PRODL,sub_a+0 | |
| 1426 movff PRODH,sub_a+1 | |
| 1427 call subU16 | |
| 1428 btfsc neg_flag | |
| 1429 bra check_ppO2_0 ; Not too low | |
| 1430 ; ppO2 low | |
| 1431 incf warning_counter,F ; increase counter | |
| 1432 call TFT_display_ppo2 ; Show ppO2 | |
| 1433 movlw d'4' ; Type of Alarm (ppO2 low) | |
| 1434 movwf AlarmType ; Copy to Alarm Register | |
| 1435 bsf event_occured ; Set Event Flag | |
| 1436 bsf warning_active ; Set Warning flag | |
| 1437 return ; Done. | |
| 1438 | |
| 1439 check_ppO2_0: | |
| 1440 ; Check if ppO2 should be displayed | |
| 1441 movlw ppo2_display_high | |
| 1442 mullw d'100' ; ppo2_display_high*100 | |
| 1443 movff PRODL,sub_a+0 | |
| 1444 movff PRODH,sub_a+1 | |
| 1445 call subU16 | |
| 1446 btfss neg_flag | |
| 1447 return ; No Display, no warning | |
| 1448 ; Display ppO2, but warn? | |
| 1449 incf warning_counter,F ; increase counter | |
| 1450 call TFT_display_ppo2 ; Show ppO2 | |
| 1451 | |
| 1452 ;check if we are within our warning thresholds! | |
| 1453 movff xC+0,sub_b+0 | |
| 1454 movff xC+1,sub_b+1 | |
| 1455 movff opt_ppO2_max,WREG ; PPO2 Max for MOD calculation and color coding in divemode | |
| 69 | 1456 addlw .1 ; e.g. >1.60 |
| 0 | 1457 mullw d'100' ; opt_ppO2_max*100 |
| 1458 movff PRODL,sub_a+0 | |
| 1459 movff PRODH,sub_a+1 | |
| 1460 call subU16 | |
| 1461 btfss neg_flag | |
| 1462 return ; Done. Not too high | |
| 1463 movlw d'5' ; Type of Alarm (ppO2 high) | |
| 1464 movwf AlarmType ; Copy to Alarm Register | |
| 1465 bsf event_occured ; Set Event Flag | |
| 1466 bsf warning_active ; Set Warning flag | |
| 1467 return ; Done. | |
| 1468 | |
| 1469 check_ppO2_1: ; ppO2 very high | |
| 1470 incf warning_counter,F ; increase counter | |
| 1471 call TFT_display_ppo2 ; Show ppO2 | |
| 1472 movlw d'5' ; Type of Alarm | |
| 1473 movwf AlarmType ; Copy to Alarm Register | |
| 1474 bsf event_occured ; Set Event Flag | |
| 1475 bsf warning_active ; Set Warning flag | |
| 1476 return ; Done. | |
| 1477 | |
| 1478 global check_cns_violation | |
| 1479 check_cns_violation: | |
| 1480 ; Check if CNS should be displayed | |
| 1481 movff int_O_CNS_fraction+1,lo ; copy into bank1 | |
| 1482 tstfsz lo ; >255% ? | |
| 1483 bra check_cns_violation2 ; Yes | |
| 1484 movff int_O_CNS_fraction+0,lo ; copy into bank1 | |
| 1485 | |
| 1486 movlw cns_warning_high ; cns_warning_high | |
| 1487 subwf lo,W | |
| 1488 btfsc STATUS,C | |
| 1489 bsf warning_active ; Set Warning flag | |
| 1490 | |
| 1491 movlw cns_display_high ; cns_display_high | |
| 1492 subwf lo,W | |
| 1493 btfss STATUS,C | |
| 1494 return ; No Display, no warning | |
| 1495 ; Display CNS | |
| 1496 incf warning_counter,F ; increase counter | |
| 1497 call TFT_display_cns ; Show CNS | |
| 1498 return | |
| 1499 | |
| 1500 check_cns_violation2: | |
| 1501 incf warning_counter,F ; increase counter | |
| 1502 call TFT_display_cns ; Show CNS | |
| 1503 bsf warning_active ; Set Warning flag | |
| 1504 return | |
| 1505 | |
| 1506 global check_and_store_gf_violation | |
| 1507 check_and_store_gf_violation: | |
| 1508 movff char_O_gradient_factor,lo ; gradient factor absolute (Non-GF model) | |
| 1509 movff char_I_deco_model,hi | |
| 1510 decfsz hi,F ; jump over next line if char_I_deco_model == 1 | |
| 1511 movff char_O_relative_gradient_GF,lo ; gradient factor relative (GF model) | |
| 1512 | |
| 1513 movlw gf_warning_high | |
| 1514 cpfsgt lo | |
| 1515 bra check_and_store_gf_violation2 ; No warning | |
| 1516 movlw d'2' ; Type of Alarm | |
| 1517 movwf AlarmType ; Copy to Alarm Register | |
| 1518 bsf event_occured ; Set Event Flag | |
| 1519 bsf warning_active ; Set Warning flag | |
| 1520 check_and_store_gf_violation2: | |
| 1521 movlw gf_display_high | |
| 1522 cpfsgt lo | |
| 1523 return ; No Display, no warning | |
| 1524 ; Display GF | |
| 1525 incf warning_counter,F ; increase counter | |
| 1526 call TFT_warning_gf ; Show GF Warning | |
| 1527 return | |
| 1528 | |
| 1529 warn_agf: | |
| 1530 incf warning_counter,F ; increase counter | |
| 1531 call TFT_warning_agf ; Show aGF warning | |
| 86 | 1532 ; bsf warning_active ; Set Warning flag |
| 0 | 1533 return |
| 1534 | |
| 1535 | |
| 1536 END |