Mercurial > public > hwos_code
annotate src/divemode.asm @ 137:28b057aa9f75
Simplify gas change
| author | heinrichsweikamp |
|---|---|
| date | Thu, 17 Jul 2014 14:24:51 +0200 |
| parents | 4574aed5cd4c |
| children | 2852b0bd6391 |
| 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" | |
| 113 | 26 #include "calibrate.inc" |
| 0 | 27 |
| 28 gui CODE | |
| 29 | |
| 30 global diveloop | |
| 31 diveloop: | |
| 32 banksel common | |
| 33 call speed_normal | |
| 34 call diveloop_boot ; Boot tasks for all modes | |
| 35 | |
| 36 ; Startup Tasks for all modes | |
| 37 call TFT_ClearScreen ; clean up TFT | |
| 38 call TFT_divemode_mask ; Display mask | |
| 39 call TFT_temp_divemode ; Displays temperature | |
|
39
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40 movff customview_divemode,menupos3 ; Reload last customview |
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41 call customview_mask ; Redraw last custom view |
| 0 | 42 |
| 43 btfsc FLAG_apnoe_mode | |
| 44 bsf realdive ; Set Realdive flag in Apnoe mode | |
| 45 | |
| 46 btfsc FLAG_apnoe_mode ; Done for Apnoe or Gauge mode | |
| 47 bra diveloop_loop | |
| 48 btfsc FLAG_gauge_mode ; Done for Apnoe or Gauge mode | |
| 49 bra diveloop_loop | |
| 50 | |
| 51 call TFT_active_gas_divemode ; Display gas/Setpoint | |
| 52 call TFT_display_ndl_mask ; display "NDL" | |
| 53 | |
| 54 ; +@5 init | |
| 55 setf WREG ; WAIT marker: display "---" | |
| 56 movff WREG,int_O_extra_ascenttime+0 | |
| 57 movff WREG,int_O_extra_ascenttime+1 | |
| 58 movlw 1 | |
| 59 movwf apnoe_mins ; Start compute after next cycle. | |
| 60 | |
| 61 ;-------------------------------------------------------------------------------------------------------- | |
| 62 diveloop_loop: ; The diveloop starts here | |
| 63 btfss onesecupdate | |
| 64 bra diveloop_loop3 | |
| 65 | |
| 66 ; tasks any new second... | |
| 67 btfsc FLAG_apnoe_mode ; Only in apnoe mode | |
| 68 bra diveloop_loop1b ; One Second Tasks in Apnoe mode | |
| 69 | |
| 70 call TFT_divemins ; Display (new) divetime! | |
| 71 call customview_second ; Do every-second tasks for the custom view area | |
| 131 | 72 call divemode_check_for_warnings ; Check for any warnings |
| 0 | 73 |
| 74 ; Tasks only for deco modes | |
|
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75 btfsc show_safety_stop ; Show the safety stop? |
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76 call TFT_show_safety_stop ; Yes, show/delete if done. |
| 0 | 77 call calc_deko_divemode ; calculate decompression and display result (any two seconds) |
| 78 bra diveloop_loop1x ; Common Tasks | |
| 79 | |
| 80 diveloop_loop1b: | |
| 81 ; Tasks only for Apnoe mode | |
| 131 | 82 rcall divemode_apnoe_tasks ; 1 sec. Apnoe tasks |
|
134
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83 call customview_second ; Do every-second tasks for the custom view area |
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84 ; call divemode_check_for_warnings ; Check for any warnings |
| 0 | 85 bra diveloop_loop1x ; Common Tasks |
| 86 | |
| 87 diveloop_loop1x: | |
| 88 ; Common 1sec. tasks for all modes | |
| 131 | 89 rcall timeout_divemode ; dive finished? This routine sets the required flags |
| 90 rcall set_dive_modes ; tests if depth>threshold | |
| 91 rcall set_min_temp ; store min. temp if required | |
| 0 | 92 |
| 93 btfsc store_sample ; store new sample? | |
| 94 call store_dive_data ; Store profile data | |
| 95 | |
| 96 btfss divemode ; Dive finished? | |
| 97 goto ghostwriter_end_dive ; Dive finished! | |
| 98 | |
| 99 btfsc divemode_gaschange ; Gas switch flag set? | |
| 100 rcall gas_switched_common ; Yes | |
| 101 | |
| 102 btfsc toggle_gf ; =1: Toggle GF/aGF | |
| 103 rcall divemodemode_togglegf ; Toggle aGF/GF | |
| 104 | |
| 105 ; btfsc FLAG_ccr_mode ; In CCR mode | |
| 106 ; call TFT_active_gas_divemode ; Update Setpoint every second | |
| 107 | |
| 113 | 108 call compute_ppo2 ; compute mv_sensorX and ppo2_sensorX arrays |
| 109 | |
| 0 | 110 bcf onesecupdate ; one seconds update done |
| 111 | |
| 112 diveloop_loop3: | |
| 113 rcall test_switches_divemode ; Check switches in divemode | |
| 114 | |
| 115 global diveloop_loop4 | |
| 116 diveloop_loop4: ; Menu-Exit returns here... | |
| 117 btfsc toggle_customview ; Next view? | |
| 118 call customview_toggle ; Yes, show next customview (and delete this flag) | |
| 119 | |
| 120 btfsc pressure_refresh ; new pressure available? | |
| 121 rcall update_temp_and_or_depth ; Yes, display new depth and clear "pressure_refresh" flag | |
| 122 | |
| 123 btfsc oneminupdate ; one minute tasks | |
| 124 rcall update_divemode60 ; Update clock, etc. | |
| 125 | |
| 126 btfss quarter_second_update | |
| 127 bra diveloop_loop4a | |
| 83 | 128 |
| 0 | 129 bcf quarter_second_update |
| 130 movlw .6 | |
| 131 cpfseq menupos3 ; in compass view? | |
| 132 bra diveloop_loop4a ; No | |
| 133 call TFT_dive_compass_heading ; Yes, update compass heading value | |
| 134 diveloop_loop4a: | |
| 135 btfsc enable_screen_dumps ; =1: Ignore vin_usb, wait for "l" command (Screen dump) | |
| 136 bra diveloop_loop5 | |
| 137 bra diveloop_loop6 | |
| 138 diveloop_loop5: | |
| 139 btfss vusb_in ; USB (still) plugged in? | |
| 140 bcf enable_screen_dumps ; No, clear flag | |
| 141 call rs232_get_byte | |
| 142 btfsc rs232_recieve_overflow | |
| 143 bra diveloop_loop6 | |
| 144 movlw "l" | |
| 145 cpfseq RCREG1 | |
| 146 bra diveloop_loop6 | |
| 147 call TFT_dump_screen ; Dump the screen contents | |
| 148 diveloop_loop6: | |
| 149 | |
| 150 bra diveloop_loop ; Loop the divemode | |
| 151 ;-------------------------------------------------------------------------------------------------------- | |
| 152 | |
| 153 | |
| 154 divemode_apnoe_tasks: ; 1 sec. Apnoe tasks | |
|
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155 call TFT_display_apnoe_descent ; Yes, Show descent timer |
| 0 | 156 call TFT_max_pressure ; use normal max. depth |
| 157 | |
| 158 btfsc divemode2 ; Time running? | |
| 159 bra divemode_apnoe_tasks2 ; New descent, reset data if flag is set | |
| 160 | |
| 161 rcall apnoe_calc_maxdepth | |
| 162 call TFT_display_apnoe_surface | |
| 163 call TFT_display_apnoe_last_max ; Show last max. depth | |
| 164 incf apnoe_surface_secs,F | |
| 165 movlw d'60' | |
| 166 cpfseq apnoe_surface_secs | |
| 167 bra divemode_apnoe_tasks1 | |
| 168 clrf apnoe_surface_secs | |
| 169 incf apnoe_surface_mins,F | |
| 170 | |
| 171 divemode_apnoe_tasks1: | |
| 172 bcf FLAG_active_descent ; Clear flag | |
| 173 btfsc divemode2 ; Time running? | |
| 174 return ; Yes, return | |
| 175 bsf FLAG_active_descent ; Set Flag | |
| 176 return | |
| 177 | |
| 178 divemode_apnoe_tasks2: | |
| 179 btfss FLAG_active_descent ; Are we descending? | |
| 180 return ; No, We are at the surface | |
| 181 rcall apnoe_calc_maxdepth ; Yes! | |
| 182 call TFT_apnoe_clear_surface ; Clear Surface timer | |
| 183 clrf apnoe_timeout_counter ; Delete timeout | |
| 184 clrf apnoe_surface_secs | |
| 185 clrf apnoe_surface_mins | |
| 186 clrf apnoe_secs | |
| 187 clrf apnoe_mins ; Reset Descent time | |
| 188 movlw .0 | |
| 189 movff WREG,max_pressure+0 | |
| 190 movff WREG,max_pressure+1 ; Reset Max. Depth | |
| 191 bcf FLAG_active_descent ; Clear flag | |
| 192 return | |
| 193 | |
| 194 global apnoe_calc_maxdepth | |
| 195 apnoe_calc_maxdepth: | |
| 196 movff apnoe_max_pressure+0,sub_a+0 | |
| 197 movff apnoe_max_pressure+1,sub_a+1 | |
| 198 movff max_pressure+0,sub_b+0 | |
| 199 movff max_pressure+1,sub_b+1 | |
| 200 call subU16 ; sub_c = sub_a - sub_b | |
| 201 ; apnoe_max_pressure<max_pressure -> neg_flag=1 | |
| 202 ; max_pressure<=apnoe_max_pressure -> neg_flag=0 | |
| 203 btfss neg_flag | |
| 204 return | |
| 205 ;apnoe_max_pressure<max_pressure | |
| 206 movff max_pressure+0,apnoe_max_pressure+0 | |
| 207 movff max_pressure+1,apnoe_max_pressure+1 | |
| 208 return | |
| 209 | |
| 210 | |
| 211 calc_deko_divemode: | |
| 212 btfsc twosecupdate ; two seconds after the last call | |
| 213 bra calc_deko_divemode2 ; Yes, calculate and display deco data ("first second") | |
| 214 | |
| 215 bsf twosecupdate ; No, but next second! | |
| 216 ; Routines used in the "other second" | |
| 217 call calc_average_depth ; calculate average depth | |
| 218 call calc_velocity ; calculate vertical velocity and display if > threshold (every two seconds) | |
|
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219 call set_reset_safety_stop ; Set flags for safety stop and/or reset safety stop |
| 0 | 220 call TFT_debug_output |
| 221 | |
| 222 btfsc FLAG_apnoe_mode ; Done for Apnoe or Gauge mode | |
| 223 return | |
| 224 btfsc FLAG_gauge_mode ; Done for Apnoe or Gauge mode | |
| 225 return | |
| 226 | |
| 227 ; Calculate CNS | |
| 228 rcall set_actual_ppo2 ; Set char_I_actual_ppO2 | |
| 229 clrf WREG | |
| 230 movff WREG,char_I_step_is_1min ; Make sure to be in 2sec mode. | |
| 231 call deco_calc_CNS_fraction ; calculate CNS | |
| 232 movlb b'00000001' ; rambank 1 selected | |
| 233 | |
| 234 ; Check for a gas change | |
| 235 rcall check_gas_change ; Checks if a better gas should be selected (by user) | |
| 236 | |
| 237 return | |
| 238 | |
| 239 global set_actual_ppo2 | |
| 240 set_actual_ppo2: ; calculate ppO2 in 0.01bar (e.g. 150 = 1.50 bar ppO2) | |
| 111 | 241 btfsc divemode ; in divemode |
| 242 bra set_actual_ppo2_dive ; Yes | |
| 243 ; No, use simulated ambient pressure for char_I_actual_ppO2 | |
| 244 movff char_I_bottom_depth,WREG | |
| 245 mullw .100 | |
| 246 movlw LOW(.1000) | |
| 247 addwf PRODL,W | |
| 248 movwf xA+0 | |
| 249 movlw HIGH(.1000) | |
| 250 addwfc PRODH,W | |
| 251 movwf xA+1 ; P_amb in millibar (1000 = 1.00 bar). | |
| 252 bra set_actual_ppo2_common | |
| 253 set_actual_ppo2_dive: | |
| 0 | 254 SAFE_2BYTE_COPY amb_pressure, xA ; P_amb in millibar (1000 = 1.00 bar). |
| 111 | 255 set_actual_ppo2_common: |
| 113 | 256 movlw d'10' |
| 0 | 257 movwf xB+0 |
| 258 clrf xB+1 | |
| 259 call div16x16 ; xC=p_amb/10 (100 = 1.00 bar). | |
| 260 movff xC+0,xA+0 | |
| 261 movff xC+1,xA+1 | |
| 262 movff char_I_O2_ratio,xB+0 | |
| 263 clrf xB+1 | |
| 264 call mult16x16 ; char_I_O2_ratio * (p_amb/10) | |
| 265 movff xC+0,xA+0 | |
| 266 movff xC+1,xA+1 | |
| 267 movlw d'100' | |
| 268 movwf xB+0 | |
| 269 clrf xB+1 | |
| 270 call div16x16 ; xC=(char_I_O2_ratio * p_amb/10)/100 | |
| 271 | |
| 272 ; Copy ppO2 for CNS calculation | |
| 273 tstfsz xC+1 ; Is ppO2 > 2.55bar ? | |
| 274 setf xC+0 ; yes: bound to 2.55... better than wrap around. | |
| 275 | |
| 276 movff xC+0, char_I_actual_ppO2 ; copy last ppO2 to buffer register | |
| 277 btfsc is_bailout ; In Bailout? | |
| 278 return ; Yes, done. | |
| 279 ; No Bailout, check for ccr mode | |
| 280 btfsc FLAG_ccr_mode ; If FLAG_ccr_mode=1... | |
| 281 movff char_I_const_ppO2, char_I_actual_ppO2 ; ...copy last ppO2 to buffer register | |
| 282 return | |
| 283 | |
| 284 | |
| 285 calc_deko_divemode2: | |
| 286 bcf twosecupdate | |
| 287 | |
| 288 btfsc FLAG_apnoe_mode ; Done for Apnoe or Gauge mode | |
| 289 return | |
| 290 btfsc FLAG_gauge_mode ; Done for Apnoe or Gauge mode | |
| 291 return | |
| 292 | |
| 293 extern deco_setup_dive | |
| 294 call deco_setup_dive ; Pass all parameters to the C code | |
| 295 | |
| 296 TSTOSS opt_ccr_mode ; =0: Fixed SP, =1: Sensor | |
| 297 bra calc_deko_divemode2a | |
| 298 rcall divemode_setup_sensor_values ; Setup sensor values | |
| 299 | |
| 300 calc_deko_divemode2a: | |
| 301 SAFE_2BYTE_COPY amb_pressure,int_I_pres_respiration ; C-code needs the ambient pressure | |
| 302 clrf WREG | |
| 303 movff WREG,char_I_step_is_1min ; Force 2 second deco mode | |
| 304 | |
| 305 clrf TMR5L | |
| 306 clrf TMR5H ; 30,51757813µs/bit in TMR5L:TMR5H | |
| 307 call deco_calc_hauptroutine ; calc_tissue | |
| 308 movlb .1 | |
| 309 | |
| 310 movff char_O_deco_status,WREG ; Is a compute cycle finished ? | |
| 311 iorwf WREG,F | |
| 312 btfss STATUS,Z | |
| 313 return ; Return is status <> 0 | |
| 314 | |
| 315 ; Check if deco stops are necessary ? | |
| 316 movff char_O_first_deco_depth,wait_temp ; copy ceiling to temp register | |
| 317 tstfsz wait_temp ; Ceiling<0m? | |
| 318 bra calc_deko_divemode3 ; Yes! | |
| 319 | |
| 320 btfsc decostop_active ; Already in nodeco mode ? | |
| 321 call TFT_display_ndl_mask ; No, Clear deco data, display nostop time | |
| 322 bcf decostop_active ; clear flag (again) | |
| 323 | |
| 324 ; Copy for profile recording | |
| 325 clrf decodata+0 | |
| 326 movff char_O_nullzeit,decodata+1 ; NDL | |
| 327 | |
| 328 call TFT_display_ndl ; display no deco limit | |
| 329 return | |
| 330 | |
| 331 calc_deko_divemode3: | |
| 332 btfss decostop_active ; Already in deco mode ? | |
| 333 call TFT_display_deko_mask ; No, clear nostop time, display decodata | |
| 334 bsf decostop_active ; Set flag (again) | |
| 335 | |
| 336 ; Copy for profile recording | |
| 337 movff char_O_first_deco_depth,decodata+0 ; ceiling | |
| 338 movff char_O_first_deco_time,decodata+1 ; length of first stop in minues | |
| 339 call TFT_display_deko ; display decodata | |
| 340 call TFT_show_TTS_divemode ; display TTS | |
| 341 | |
| 342 movff char_I_extra_time,WREG | |
| 343 tstfsz WREG ; extra time = 0? | |
| 344 bra calc_deko_divemode4 ; No, compute it | |
| 345 return | |
| 346 | |
| 347 calc_deko_divemode4: | |
| 348 ; Check if extra cycles are needed to compute @5 variant: | |
| 349 decfsz apnoe_mins,F ; Reached count-down ? | |
| 350 return ; No: don't compute yet. | |
| 351 | |
| 352 movlw .6 | |
| 353 movff WREG,char_O_deco_status ; Stole next cycles for @5 variant. | |
| 354 | |
| 355 movlw .2 ; Restart countdown. | |
| 356 movwf apnoe_mins | |
| 357 return ; done. | |
| 358 | |
| 359 ;----------------------------------------------------------------------------- | |
| 360 | |
| 361 divemodemode_togglegf: ; Toggle aGF/GF | |
| 362 bcf toggle_gf ; clear flag | |
| 363 btg use_agf ; Toggle GF | |
| 364 call TFT_gf_mask ; Setup Mask | |
| 365 clrf WREG | |
| 366 movff WREG,char_O_deco_status ; Restart decoplan computation | |
| 367 return | |
| 368 | |
| 369 divemode_setup_sensor_values: | |
| 370 ; sum up sensor values (in xA:2) and active sensors in (xB:2) | |
| 371 clrf xB+0 | |
| 372 clrf xB+1 | |
| 373 clrf xA+0 | |
| 374 clrf xA+1 | |
| 113 | 375 btfss sensor1_active ; Sensor1 active? |
| 0 | 376 bra divemode_setup_sensor_values2 ; No |
| 377 movf o2_ppo2_sensor1,W | |
| 378 addwf xA+0 | |
| 379 movlw .0 | |
| 380 addwfc xA+1 ; Add into xA:2 | |
| 381 incf xB+0,F ; Add a sensor | |
| 382 divemode_setup_sensor_values2: | |
| 113 | 383 btfss sensor2_active ; Sensor2 active? |
| 0 | 384 bra divemode_setup_sensor_values3 ; No |
| 385 movf o2_ppo2_sensor2,W | |
| 386 addwf xA+0 | |
| 387 movlw .0 | |
| 388 addwfc xA+1 ; Add into xA:2 | |
| 389 incf xB+0,F ; Add a sensor | |
| 390 divemode_setup_sensor_values3: | |
| 113 | 391 btfss sensor3_active ; Sensor3 active? |
| 0 | 392 bra divemode_setup_sensor_values4 ; No |
| 393 movf o2_ppo2_sensor3,W | |
| 394 addwf xA+0 | |
| 395 movlw .0 | |
| 396 addwfc xA+1 ; Add into xA:2 | |
| 397 incf xB+0,F ; Add a sensor | |
| 398 divemode_setup_sensor_values4: | |
| 399 call div16x16 ; xA/xB=xC with xA+0 as remainder | |
| 400 movff xC+0,sensor_setpoint ; Copy result | |
| 401 movff sensor_setpoint,char_I_const_ppO2 ; use sensor ppO2 | |
| 402 return | |
| 403 | |
| 404 calc_velocity: ; called every two seconds | |
| 405 btfss divemode | |
| 406 bra do_not_display_velocity ; display velocity only in divemode (Not at the surface after dive) | |
| 407 | |
| 408 calc_velocity2: | |
| 409 SAFE_2BYTE_COPY amb_pressure, sub_a | |
| 410 movff last_pressure_velocity+0,sub_b+0 | |
| 411 movff last_pressure_velocity+1,sub_b+1 | |
| 412 movff sub_a+0,last_pressure_velocity+0 ; store old value for velocity | |
| 413 movff sub_a+1,last_pressure_velocity+1 | |
| 414 | |
| 415 call subU16 ; sub_c = amb_pressure - last_pressure | |
| 416 | |
| 417 movff sub_c+0,xA+0 | |
| 418 movff sub_c+1,xA+1 | |
| 419 movlw d'39' ; 77 when called every second.... | |
| 420 movwf xB+0 | |
| 421 clrf xB+1 | |
| 422 call mult16x16 ; differential pressure in mbar*77... | |
| 423 movff xC+0,divA+0 | |
| 424 movff xC+1,divA+1 | |
| 425 movlw d'7' | |
| 426 movwf divB+0 | |
| 427 call div16 ; devided by 2^7 equals velocity in m/min | |
| 428 | |
| 429 movlw d'99' | |
| 430 cpfsgt divA+0 ; limit to 99m/min | |
| 431 bra calc_velocity3 | |
| 432 movwf divA+0 ; divA=99 | |
| 433 | |
| 434 calc_velocity3: | |
| 435 movlw velocity_warning_level_1 ; lowest threshold for display vertical velocity | |
| 436 subwf divA+0,W ; | |
| 437 btfss STATUS,C | |
| 438 bra do_not_display_velocity | |
| 439 | |
| 440 bsf display_velocity | |
| 441 call TFT_display_velocity ; With divA+0 = m/min... | |
| 442 return | |
| 443 | |
| 444 do_not_display_velocity: | |
| 445 btfss display_velocity ; Velocity was not displayed, do not delete | |
| 446 return | |
| 447 bcf display_velocity ; Velocity was displayed, delete velocity now | |
| 448 call TFT_display_velocity_clear | |
| 449 return | |
| 450 | |
| 451 ;============================================================================= | |
| 452 | |
|
104
223579e905c3
Show a Safety Stop if enabled (Menu "Deco Parameters")
heinrichsweikamp
parents:
102
diff
changeset
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453 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:
102
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changeset
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454 TSTOSS opt_enable_safetystop ; =1: A safety stop is shown |
|
223579e905c3
Show a Safety Stop if enabled (Menu "Deco Parameters")
heinrichsweikamp
parents:
102
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455 bra delete_safety_stop ; No, don't show safety stop |
|
223579e905c3
Show a Safety Stop if enabled (Menu "Deco Parameters")
heinrichsweikamp
parents:
102
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456 |
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223579e905c3
Show a Safety Stop if enabled (Menu "Deco Parameters")
heinrichsweikamp
parents:
102
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changeset
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457 btfsc decostop_active ; Is a deco stop displayed? |
|
223579e905c3
Show a Safety Stop if enabled (Menu "Deco Parameters")
heinrichsweikamp
parents:
102
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changeset
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458 bra delete_safety_stop ; Yes, don't show safety stop |
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223579e905c3
Show a Safety Stop if enabled (Menu "Deco Parameters")
heinrichsweikamp
parents:
102
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changeset
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459 ; Below "safety_stop_reset"? Set flag and reset count-down timer |
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223579e905c3
Show a Safety Stop if enabled (Menu "Deco Parameters")
heinrichsweikamp
parents:
102
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460 SAFE_2BYTE_COPY rel_pressure, lo |
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223579e905c3
Show a Safety Stop if enabled (Menu "Deco Parameters")
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parents:
102
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461 call adjust_depth_with_salinity ; computes salinity setting into lo:hi [mbar] |
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462 movff lo,sub_a+0 |
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463 movff hi,sub_a+1 |
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464 movlw LOW safety_stop_reset |
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465 movwf sub_b+0 |
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466 movlw HIGH safety_stop_reset |
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467 movwf sub_b+1 |
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468 call subU16 ; sub_c = sub_a - sub_b |
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469 btfss neg_flag |
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470 bra reset_safety_stop ; Below 10m, reset safety stop |
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471 |
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472 ; Above "safety_stop_end"? Clear flag. |
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473 SAFE_2BYTE_COPY rel_pressure, lo |
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474 call adjust_depth_with_salinity ; computes salinity setting into lo:hi [mbar] |
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475 movff lo,sub_a+0 |
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476 movff hi,sub_a+1 |
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477 movlw LOW safety_stop_end |
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478 movwf sub_b+0 |
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479 movlw HIGH safety_stop_end |
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480 movwf sub_b+1 |
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481 call subU16 ; sub_c = sub_a - sub_b |
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482 btfsc neg_flag |
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483 bra delete_safety_stop ; Above 3m, remove safety stop |
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484 |
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485 ; Above "safety_stop_start"? Activate safety stop |
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486 SAFE_2BYTE_COPY rel_pressure, lo |
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487 call adjust_depth_with_salinity ; computes salinity setting into lo:hi [mbar] |
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488 movff lo,sub_a+0 |
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489 movff hi,sub_a+1 |
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490 movlw LOW safety_stop_start |
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491 movwf sub_b+0 |
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492 movlw HIGH safety_stop_start |
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493 movwf sub_b+1 |
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494 call subU16 ; sub_c = sub_a - sub_b |
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495 btfsc neg_flag |
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496 bra acivate_safety_stop ; Above 5m, activate safety stop |
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497 bra reset_safety_stop2 ; Pause safety stop |
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498 |
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499 acivate_safety_stop: |
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500 tstfsz safety_stop_countdown ; Countdown at zero? |
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501 bsf show_safety_stop ; No, Set flag! |
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502 return |
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503 |
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504 delete_safety_stop: |
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505 clrf safety_stop_countdown ; reset timer |
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506 bra reset_safety_stop2 ; Remove safety stop from display |
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507 |
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508 reset_safety_stop: |
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509 movlw safety_stop_length ;[s] |
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510 movwf safety_stop_countdown ; reset timer |
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511 reset_safety_stop2: |
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512 bcf show_safety_stop ; Clear flag |
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513 btfss safety_stop_active ; Safety stop shown |
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514 return ; No, don't delete it |
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515 bcf safety_stop_active ; Clear flag |
| 131 | 516 call TFT_clear_safety_stop ; Clear safety stop |
|
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517 return |
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518 |
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519 ;============================================================================= |
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520 |
| 0 | 521 timeout_menuview: |
| 522 decfsz timeout_counter3,F ; timeout for menuview | |
| 523 return ; No timeout, return | |
| 524 ; Timeout, clear e.g. "Menu?" | |
| 525 goto menuview_toggle_reset ; "returns" | |
| 526 | |
| 527 timeout_divemode_menu: | |
| 528 decfsz timeout_counter3,F ; timeout for divemode menu | |
| 529 return | |
| 530 | |
| 531 global timeout_divemode_menu2 | |
| 532 timeout_divemode_menu2: ; Called from divemenu_tree.asm | |
| 533 bcf divemode_menu ; Timeout! Clear flag | |
| 534 call TFT_clear_divemode_menu ; Clear menu | |
| 535 call TFT_active_gas_divemode ; Redraw gas/setpoint/diluent | |
| 536 bcf blinking_better_gas ; Clear flag to have temperature updated once | |
| 537 call TFT_temp_divemode ; Displays temperature | |
| 538 | |
| 539 btfss decostop_active ; In deco mode ? | |
| 540 bra timeout_divemode_menu_ndl ; No, show NDL again | |
| 541 ; Show deco | |
| 542 call TFT_display_deko_mask ; clear nostop time, display decodata | |
| 543 call TFT_display_deko | |
| 544 call TFT_show_TTS_divemode | |
| 545 return | |
| 546 timeout_divemode_menu_ndl: ; Show NDL | |
| 547 call TFT_display_ndl_mask ; Clear deco data, display nostop time | |
| 548 call TFT_display_ndl | |
| 549 return | |
| 550 | |
| 551 timeout_divemode: | |
| 552 btfsc divemode_menu ; Divemode menu active? | |
| 553 rcall timeout_divemode_menu ; Yes, check the timeout for it... | |
| 554 | |
| 555 btfsc menuview ; is a menuview shown? | |
| 556 rcall timeout_menuview ; Yes, check the timeout for it... | |
| 557 | |
| 558 btfss realdive ; Dive longer then one minute | |
| 559 return | |
| 560 | |
| 561 btfsc FLAG_apnoe_mode ; In Apnoe mode? | |
|
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562 bra timeout_divemode2 ; Yes, use apnoe_timeout [min] for timeout |
| 0 | 563 |
| 564 ifndef __DEBUG | |
| 565 btfsc simulatormode_active ; In Simulator mode? | |
| 566 bra timeout_divemode3 ; Yes, use simulator timeout | |
| 567 endif | |
| 568 | |
| 569 bcf divemode | |
| 570 incf timeout_counter,F | |
| 571 movlw d'0' | |
| 572 addwfc timeout_counter2,F ; timeout is 15bits | |
| 573 | |
| 574 movlw LOW divemode_timeout | |
| 575 movwf sub_a+0 | |
| 576 movlw HIGH divemode_timeout | |
| 577 movwf sub_a+1 | |
| 578 | |
| 579 movff timeout_counter, sub_b+0 | |
| 580 movff timeout_counter2, sub_b+1 | |
| 581 call subU16 ; sub_c = sub_a - sub_b | |
| 582 btfss neg_flag ; Result negative? | |
| 583 bsf divemode ; No, set flag | |
| 584 return | |
| 585 | |
| 586 timeout_divemode2: | |
| 587 incf timeout_counter,F ; seconds... | |
| 588 movlw d'60' | |
| 589 cpfseq timeout_counter ; timeout_counter=60? | |
| 590 return ; No. | |
| 591 ; One minute timeout done. | |
| 592 clrf timeout_counter | |
| 593 bcf divemode | |
| 594 incf apnoe_timeout_counter,F | |
| 595 movlw apnoe_timeout ; apnoe timeout [min] | |
| 596 cpfseq apnoe_timeout_counter | |
| 597 bsf divemode | |
| 598 return | |
| 599 | |
| 600 timeout_divemode3: | |
| 601 bcf divemode | |
| 602 incf timeout_counter,F | |
| 603 movlw simulator_timeout ; simulator timeout | |
| 604 cpfsgt timeout_counter | |
| 605 bsf divemode | |
| 606 return | |
| 607 | |
| 608 update_temp_and_or_depth: ; New sensor data arrived... | |
| 609 btfsc temp_changed | |
| 610 call TFT_temp_divemode ; Displays temperature | |
| 611 | |
| 612 btfsc pressure_refresh | |
| 613 call TFT_depth ; Displays new depth | |
| 614 | |
| 615 rcall set_max_depth ; update max. depth if required | |
| 616 bcf pressure_refresh ; until new pressure is available | |
| 617 return | |
| 618 | |
| 619 update_divemode60: ; update any minute | |
| 620 call get_battery_voltage ; gets battery voltage | |
| 621 call set_powersafe ; Battery low? | |
| 622 call TFT_max_pressure ; Update max. depth | |
| 623 call customview_minute ; Do every-minute tasks for the custom view area | |
| 624 bcf oneminupdate | |
| 625 | |
| 626 btfss simulatormode_active ; in simulator mode? | |
| 627 return ; No | |
| 628 ; Yes, quite dive mode simulation after 21*256s=89min:36s | |
| 629 movlw .20 | |
| 630 cpfsgt total_divetime_seconds+1 ; Timeout? | |
| 631 return ; No | |
| 632 ifdef __DEBUG | |
| 633 return ; No simulator timeout in debug mode | |
| 634 endif | |
| 635 bra divemode_option1 ; Yes, set to 0m and "return" | |
| 636 | |
| 637 set_max_depth: | |
| 638 movff max_pressure+0,sub_a+0 | |
| 639 movff max_pressure+1,sub_a+1 | |
| 640 SAFE_2BYTE_COPY rel_pressure, sub_b | |
| 641 call subU16 ; sub_c = sub_a - sub_b | |
| 642 ; max_pressure<rel_pressure -> neg_flag=1 | |
| 643 ; rel_pressure<=max_pressure -> neg_flag=0 | |
| 644 btfss neg_flag | |
| 645 return | |
| 646 ; max_pressure<rel_pressure | |
| 647 movff sub_b+0,max_pressure+0 | |
| 648 movff sub_b+1,max_pressure+1 | |
| 649 call TFT_max_pressure ; No, use normal max. depth | |
| 650 return | |
| 651 | |
| 652 set_min_temp: | |
| 653 movff minimum_temperature+0,sub_a+0 | |
| 654 movff minimum_temperature+1,sub_a+1 | |
| 655 SAFE_2BYTE_COPY temperature,sub_b | |
| 656 call sub16 ; sub_c = sub_a - sub_b | |
| 657 ; minimum_temperature<T -> neg_flag=1 | |
| 658 ; T<=minimum_temperature -> neg_flag=0 | |
| 659 btfsc neg_flag | |
| 660 return | |
| 661 ; minimum_temperature>=T | |
| 662 movff sub_b+0,minimum_temperature+0 | |
| 663 movff sub_b+1,minimum_temperature+1 | |
| 664 return | |
| 665 | |
| 666 global set_dive_modes | |
| 667 set_dive_modes: | |
| 668 btfsc high_altitude_mode ; In high altitude (Fly) mode? | |
| 669 bra set_dive_modes3 ; Yes! | |
| 670 | |
| 671 set_dive_modes0: | |
| 672 movlw LOW start_dive_threshold | |
| 673 movwf sub_a+0 ; dive_treshold is in cm | |
| 674 movlw HIGH start_dive_threshold | |
| 675 movwf sub_a+1 ; dive_treshold is in cm | |
| 676 | |
| 677 set_dive_modes1: | |
| 678 SAFE_2BYTE_COPY rel_pressure, sub_b | |
| 679 call subU16 ; sub_c = sub_a - sub_b | |
| 680 | |
| 681 btfss neg_flag | |
| 682 bra set_dive_modes2 ; too shallow (rel_pressure<dive_threshold) | |
| 683 | |
| 684 btfsc realdive ; Dive longer than one minute? | |
| 685 clrf timeout_counter ; Yes, reset timout counter | |
| 686 | |
| 687 set_dive_modes_common: | |
| 688 bsf divemode ; (Re-)Set divemode flag | |
| 689 bsf divemode2 ; displayed divetime is running | |
| 690 return | |
| 691 | |
| 692 set_dive_modes2: | |
| 693 bcf divemode2 ; Stop time | |
| 694 btfss realdive ; dive longer then one minute? | |
| 695 bcf divemode ; no -> this was no real dive | |
| 696 return ; No, return | |
| 697 | |
| 698 | |
| 699 set_dive_modes3: ; High-altitude mode | |
| 700 btfsc realdive ; dive longer then one minute? | |
| 701 bra set_dive_modes0 ; Yes -> this is a real dive -> Use start_dive_threshold or ascend | |
| 702 | |
| 703 movlw HIGH high_altitude_dive_threshold | |
| 704 movwf sub_a+1 | |
| 705 movlw LOW high_altitude_dive_threshold | |
| 706 movwf sub_a+0 | |
| 707 bra set_dive_modes1 | |
| 708 | |
| 709 set_powersafe: | |
| 710 movlw color_code_battery_low+1; [%] | |
| 711 cpfslt batt_percent | |
| 712 return | |
| 713 | |
| 714 movlw d'7' ; Type of Alarm (Battery Low) | |
| 715 movwf AlarmType ; Copy to Alarm Register | |
| 716 bsf event_occured ; Set Event Flag | |
| 717 movlw .0 | |
| 718 movff WREG,opt_brightness ; Set Brightness to ECO | |
| 719 return ; return | |
| 720 | |
| 721 calc_average_depth: | |
| 722 btfsc reset_average_depth ; Reset the Avewrage depth? | |
| 723 rcall reset_average1 ; Reset the resettable average depth | |
| 724 | |
| 725 ; 1. Add new 2xdepth to the Sum of depths registers | |
| 726 SAFE_2BYTE_COPY rel_pressure, xB ; Buffer... | |
| 727 bcf STATUS,C | |
| 728 rlcf xB+0,F | |
| 729 rlcf xB+1,F ; x2 | |
| 730 | |
| 731 movf xB+0,w | |
| 732 addwf average_depth_hold+0,F | |
| 733 movf xB+1,w | |
| 734 addwfc average_depth_hold+1,F | |
| 735 movlw d'0' | |
| 736 addwfc average_depth_hold+2,F | |
| 737 addwfc average_depth_hold+3,F ; Will work up to 9999mbar*60*60*24=863913600mbar | |
| 738 | |
| 739 ; Do the same for the _total registers (Non-Resettable) | |
| 740 movf xB+0,w | |
| 741 addwf average_depth_hold_total+0,F | |
| 742 movf xB+1,w | |
| 743 addwfc average_depth_hold_total+1,F | |
| 744 movlw d'0' | |
| 745 addwfc average_depth_hold_total+2,F | |
| 746 addwfc average_depth_hold_total+3,F ; Will work up to 9999mbar*60*60*24=863913600mbar | |
| 747 | |
| 748 ; 2. Compute Average Depth on base of average_divesecs:2 | |
| 749 movff average_divesecs+0,xB+0 | |
| 750 movff average_divesecs+1,xB+1 ; Copy | |
| 751 movff average_depth_hold+0,xC+0 | |
| 752 movff average_depth_hold+1,xC+1 | |
| 753 movff average_depth_hold+2,xC+2 | |
| 754 movff average_depth_hold+3,xC+3 | |
| 755 | |
| 756 call div32x16 ; xC:4 / xB:2 = xC+3:xC+2 with xC+1:xC+0 as remainder | |
| 757 movff xC+0,avr_rel_pressure+0 | |
| 758 movff xC+1,avr_rel_pressure+1 | |
| 759 | |
|
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760 btfss divemode2 ; displayed divetime is running? |
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761 return ; No (e.g. too shallow) |
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762 |
| 0 | 763 ; 3. Compute Total Average Depth on base of total_divetime_seconds:2 |
| 764 movff total_divetime_seconds+0,xB+0 | |
| 765 movff total_divetime_seconds+1,xB+1 ; Copy | |
| 766 movff average_depth_hold_total+0,xC+0 | |
| 767 movff average_depth_hold_total+1,xC+1 | |
| 768 movff average_depth_hold_total+2,xC+2 | |
| 769 movff average_depth_hold_total+3,xC+3 | |
| 770 call div32x16 ; xC:4 / xB:2 = xC+3:xC+2 with xC+1:xC+0 as remainder | |
| 771 movff xC+0,avr_rel_pressure_total+0 | |
| 772 movff xC+1,avr_rel_pressure_total+1 | |
| 773 | |
| 774 return | |
| 775 | |
| 776 reset_average1: | |
| 777 clrf average_depth_hold+0 | |
| 778 clrf average_depth_hold+1 | |
| 779 clrf average_depth_hold+2 | |
| 780 clrf average_depth_hold+3 ; Clear average depth register | |
| 781 movlw d'2' | |
| 782 movwf average_divesecs+0 | |
| 783 clrf average_divesecs+1 | |
| 784 bcf reset_average_depth ; Clear flag | |
| 785 return | |
| 786 | |
| 787 test_switches_divemode: ; checks switches in divemode | |
| 788 btfsc divemode_menu ; Divemode menu shown? | |
| 789 bra test_switches_divemode_menu ; Yes, use menu processor | |
| 790 btfsc switch_left | |
| 791 bra test_switches_divemode2 ; Enter button pressed, check if we need to do something | |
| 792 btfss switch_right | |
| 793 return ; No button press | |
| 794 tstfsz menupos2 ; any option shown? | |
| 795 bra test_switches_divemode1 ; Yes, do option tasks | |
| 796 bsf toggle_customview ; No, toggle custom view | |
| 797 return | |
| 798 | |
| 799 test_switches_divemode_menu: | |
| 800 btfsc switch_left | |
| 801 bra test_switches_divemode_menu2 ; Move cursor | |
| 802 btfsc switch_right | |
| 803 bra test_switches_divemode_menu3 ; Enter submenu or do something | |
| 804 return ; No button press | |
| 805 | |
| 806 test_switches_divemode_menu1: | |
| 807 clrf menupos | |
| 808 test_switches_divemode_menu2: | |
| 809 incf menupos,F | |
| 810 incf menupos4,W ; menupos4+1 -> WREG | |
| 811 cpfslt menupos ; >menupos4 (Set in menu_processor.asm)? | |
| 812 bra test_switches_divemode_menu1; > Yes, set to 1 | |
| 813 call TFT_divemode_menu_cursor ; Update the cursor | |
| 814 bcf switch_left | |
| 815 movlw divemode_menu_timeout ; Reload timeout | |
| 816 movwf timeout_counter3 ; timeout for divemode menu | |
| 817 return | |
| 818 | |
| 819 test_switches_divemode_menu3: ; Enter submenu or do something | |
| 820 bcf switch_right | |
| 821 ; decf menupos,F ; menu_processor needs 0-5... | |
| 822 extern do_line_menu | |
| 823 goto do_line_menu ; Warning! Trashes STKPTR and returns to diveloop_loop4: | |
| 824 | |
| 825 test_switches_divemode1: | |
| 826 bcf switch_right | |
| 827 movlw divemode_menuview_timeout | |
| 828 movwf timeout_counter3 ; Reload timeout | |
| 829 movff menupos2,WREG ; Menupos3 holds number of customview/divemode menu function | |
| 830 dcfsnz WREG,F | |
| 137 | 831 bra divemode_option_gaschange ; Switch to the indicated "better gas" |
| 832 dcfsnz WREG,F | |
| 0 | 833 bra divemode_option0 ; Start/Setup Divemode menu |
| 834 dcfsnz WREG,F | |
| 835 bra divemode_option1 ; Quit Simulation? | |
| 836 dcfsnz WREG,F | |
| 837 bra divemode_option2 ; Descent 1m | |
| 838 dcfsnz WREG,F | |
| 839 bra divemode_option3 ; Ascend 1m | |
| 840 dcfsnz WREG,F | |
| 841 bra divemode_option4 ; Quit Apnoe mode | |
| 842 dcfsnz WREG,F | |
| 843 bra divemode_option5 ; Reset Stopwatch (In Gauge mode) | |
| 844 return | |
| 845 | |
| 846 test_switches_divemode2: | |
| 847 bcf switch_left | |
| 848 call menuview_toggle ; Menu or Simulator tasks | |
| 849 return | |
| 850 | |
| 851 gas_switched_common: | |
|
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852 bcf divemode_gaschange ; Clear flag |
|
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853 |
| 0 | 854 decf menupos,W ; 1-5 -> 0-4 |
| 855 btfss FLAG_ccr_mode ; Choose OC Gases | |
| 856 rcall setup_gas_registers ; With WREG=Gas 0-4 | |
| 857 btfsc FLAG_ccr_mode ; Choose CC Diluents | |
| 858 rcall setup_dil_registers ; With WREG=Gas 0-4 | |
| 859 | |
| 860 decf menupos,W ; 1-5 -> 0-4 | |
| 861 btfsc is_bailout ; Choose OC Bailouts (OC Gases) | |
| 862 rcall setup_gas_registers ; With WREG=Gas 0-4 | |
| 863 | |
| 864 call TFT_active_gas_divemode ; Display gas/Setpoint | |
| 865 clrf WREG | |
| 866 movff WREG,char_O_deco_status ; Restart decoplan computation | |
| 98 | 867 |
| 868 ; Set flags for profile recording | |
| 869 bsf event_occured ; Set global event byte | |
| 870 btfsc is_bailout ; Choose OC Bailouts (OC Gases) | |
| 871 bsf bailoutgas_event ; Bailout gas change | |
| 872 btfss is_bailout ; Choose OC Bailouts (OC Gases) | |
| 873 bsf stored_gas_changed ; OC gas change | |
| 0 | 874 return |
| 875 | |
| 876 global setup_gas_registers | |
| 877 setup_gas_registers: ; With WREG=Gas 0-4 | |
| 878 lfsr FSR1,opt_gas_O2_ratio+0 | |
| 879 movff PLUSW1,char_I_O2_ratio ; O2 (For ppO2 calculations) | |
| 880 lfsr FSR1,opt_gas_He_ratio+0 | |
| 881 movff PLUSW1,char_I_He_ratio ; He | |
| 882 incf WREG,W ; Gas# 1-5 | |
| 883 movff WREG,char_I_current_gas ; Set gas | |
| 884 movff WREG,active_gas ; Set for logbook and display | |
| 885 banksel char_I_O2_ratio | |
| 886 movf char_I_O2_ratio,W ; Add O2... | |
| 887 addwf char_I_He_ratio,W ; ...and He... | |
| 888 sublw .100 ; ...subtract both from 100 | |
| 889 movwf char_I_N2_ratio ; -> N2! | |
| 890 banksel common | |
| 891 return | |
| 892 | |
| 893 global setup_dil_registers | |
| 894 setup_dil_registers: ; With WREG=dil 0-4 | |
|
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895 btfsc is_bailout |
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|
896 return ; Ignore in bailout |
| 0 | 897 lfsr FSR1,opt_dil_O2_ratio+0 |
| 898 movff PLUSW1,char_I_O2_ratio ; O2 (For ppO2 calculations) | |
| 899 lfsr FSR1,opt_dil_He_ratio+0 | |
| 900 movff PLUSW1,char_I_He_ratio ; He | |
| 901 incf WREG,W ; Gas# 1-5 | |
| 902 movff WREG,char_I_current_gas ; Set gas | |
| 903 movff WREG,active_gas ; Set for logbook and display | |
|
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904 movff WREG,active_diluent ; As a backup when switching back from Bailout to CCR |
| 0 | 905 banksel char_I_O2_ratio |
| 906 movf char_I_O2_ratio,W ; Add O2... | |
| 907 addwf char_I_He_ratio,W ; ...and He... | |
| 908 sublw .100 ; ...subtract both from 100 | |
| 909 movwf char_I_N2_ratio ; -> N2! | |
| 910 banksel common | |
| 911 return | |
| 912 | |
| 137 | 913 divemode_option_gaschange: ; Switch to the better gas |
| 914 movff better_gas_number,menupos; 1-5 | |
| 915 bsf divemode_gaschange ; Change the gas in the dive mode loop... | |
| 916 call menuview_toggle_reset ; Reset to zero (Zero=no menuview) | |
| 917 return | |
| 918 | |
| 0 | 919 divemode_option0: ; Start/Setup Divemode menu |
| 920 call TFT_clear_divemode_menu ; Clear menu area | |
| 921 bcf menuview | |
| 922 extern do_main_divemenu | |
| 923 call do_main_divemenu | |
| 924 global divemode_option0_return | |
| 925 divemode_option0_return: | |
| 926 ; movlw .1 | |
| 927 ; movwf menupos ; Set to first option in divemode menu | |
| 928 call TFT_divemode_menu_cursor; Show the cursor | |
| 929 movlw divemode_menu_timeout | |
| 930 movwf timeout_counter3 ; timeout for divemode menu | |
| 931 bsf divemode_menu ; Set flag | |
| 932 clrf menupos2 ; Clear option counter | |
| 933 bra diveloop_loop4 ; Goto back to diveloop (Menuprocessor trashes STKPTR!) | |
| 934 | |
| 935 divemode_option4: | |
| 936 movlw d'58' ; two seconds left | |
| 937 movwf timeout_counter | |
| 938 movlw apnoe_timeout-1 ; apnoe timeout [min] | |
| 939 movwf apnoe_timeout_counter | |
| 940 btfss simulatormode_active ; in simulator mode? | |
| 941 return ; No | |
| 942 divemode_option1: ; Quit simulation mode | |
| 943 banksel isr_backup | |
| 944 movlw low .1000 | |
| 945 movwf sim_pressure+0 | |
| 946 movlw high .1000 | |
| 947 movwf sim_pressure+1 ; Set to 0m -> End of Dive | |
| 948 banksel common | |
| 949 call menuview_toggle_reset ; Reset to zero (Zero=no menuview) | |
| 950 | |
| 951 btfss FLAG_apnoe_mode ; In Apnoe mode? | |
| 952 return ; No | |
| 953 movlw d'58' ; two seconds left | |
| 954 movwf timeout_counter | |
| 955 movlw apnoe_timeout-1 ; apnoe timeout [min] | |
| 956 movwf apnoe_timeout_counter | |
| 957 return | |
| 958 | |
| 959 divemode_option3: ; minus 1m | |
| 960 banksel isr_backup | |
| 961 movlw d'100' | |
| 962 subwf sim_pressure+0 | |
| 963 movlw .0 | |
| 964 subwfb sim_pressure+1 | |
| 965 rcall divemode_simulator_check_limits | |
| 966 banksel common | |
| 967 return | |
| 968 | |
| 969 divemode_option2: ; plus 1m | |
| 970 banksel isr_backup | |
| 971 movlw d'100' | |
| 972 addwf sim_pressure+0 | |
| 973 movlw .0 | |
| 974 addwfc sim_pressure+1 | |
| 975 rcall divemode_simulator_check_limits | |
| 976 banksel common | |
| 977 return | |
| 978 | |
| 979 divemode_option5: | |
| 980 call menuview_toggle_reset ; Reset to zero (Zero=no menuview) | |
| 981 bsf reset_average_depth ; Set Flag | |
| 982 return | |
| 983 | |
| 984 divemode_simulator_check_limits: | |
| 985 ; Check limits (150m and 0m) | |
| 986 movlw LOW d'16000' ; Compare to 16bar=16000mbar (150m). | |
| 987 subwf sim_pressure+0,W | |
| 988 movlw HIGH d'16000' | |
| 989 subwfb sim_pressure+1,W | |
| 990 bnc divemode_simulator_check_limits2 ; No-carry = borrow = not deeper | |
| 991 | |
| 992 ; Too deep, limit to 150m | |
| 993 movlw LOW d'16000' | |
| 994 movwf sim_pressure+0 | |
| 995 movlw HIGH d'16000' | |
| 996 movwf sim_pressure+1 | |
| 997 return | |
| 998 divemode_simulator_check_limits2: | |
| 999 movlw LOW d'1000' ; Compare to 1bar == 0m == 1000 mbar. | |
| 1000 subwf sim_pressure+0,W | |
| 1001 movlw HIGH d'1000' | |
| 1002 subwfb sim_pressure+1,W | |
| 1003 btfsc STATUS,C ; No-carry = borrow = not deeper. | |
| 1004 return ; Deeper than 0m == Ok. | |
| 1005 ; Too shallow, limit to 0m | |
| 1006 movlw LOW d'1000' | |
| 1007 movwf sim_pressure+0 | |
| 1008 movlw HIGH d'1000' | |
| 1009 movwf sim_pressure+1 | |
| 1010 return | |
| 1011 | |
| 1012 ;============================================================================= | |
| 1013 ; Compare all enabled gas in list, to see if a better one is available. | |
| 1014 ; | |
| 1015 ; Output: better_gas_available, better_gas_number | |
| 1016 ; | |
| 1017 check_gas_change: ; Checks if a better gas should be selected (by user) | |
| 1018 bcf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode | |
| 1019 clrf better_gas_number ; Clear better gas register | |
| 1020 | |
| 1021 SAFE_2BYTE_COPY rel_pressure,xA | |
| 1022 movlw d'100' | |
| 1023 movwf xB+0 | |
| 1024 clrf xB+1 | |
| 1025 call div16x16 ; compute depth in full m -> result in xC+0 | |
| 1026 | |
| 1027 btfss FLAG_ccr_mode ; In CCR mode... | |
| 1028 bra check_gas_change_OC_bail; No, check for OC or bailout | |
| 1029 btfsc is_bailout ; Bailout? | |
| 1030 bra check_gas_change_OC_bail; Yes, check for OC or bailout | |
| 1031 | |
| 1032 ; Check Diluents | |
| 1033 movlw .0 | |
| 1034 rcall check_dil_common ; With Gas 0-4 in WREG | |
| 1035 movlw .1 | |
| 1036 rcall check_dil_common ; With Gas 0-4 in WREG | |
| 1037 movlw .2 | |
| 1038 rcall check_dil_common ; With Gas 0-4 in WREG | |
| 1039 movlw .3 | |
| 1040 rcall check_dil_common ; With Gas 0-4 in WREG | |
| 1041 movlw .4 | |
| 1042 rcall check_dil_common ; With Gas 0-4 in WREG | |
| 1043 bra check_gas_change_exit | |
| 1044 | |
| 1045 check_gas_change_OC_bail: | |
| 1046 movlw .0 | |
| 1047 rcall check_gas_common ; With Gas 0-4 in WREG | |
| 1048 movlw .1 | |
| 1049 rcall check_gas_common ; With Gas 0-4 in WREG | |
| 1050 movlw .2 | |
| 1051 rcall check_gas_common ; With Gas 0-4 in WREG | |
| 1052 movlw .3 | |
| 1053 rcall check_gas_common ; With Gas 0-4 in WREG | |
| 1054 movlw .4 | |
| 1055 rcall check_gas_common ; With Gas 0-4 in WREG | |
| 1056 ; bra check_gas_change_exit | |
| 1057 check_gas_change_exit: | |
| 1058 btfss better_gas_available ; Is a better gas available | |
| 1059 bcf blinking_better_gas ; No, Clear blinking flag | |
| 1060 btfss better_gas_available ; Is a better gas available | |
| 1061 clrf better_gas_number ; No, Clear better_gas_number (For gaslist display) | |
| 1062 call TFT_active_gas_divemode ; Display gas/Setpoint | |
| 1063 return | |
| 1064 | |
| 1065 check_gas_common: ; With Gas 0-4 in WREG | |
| 1066 btfsc better_gas_available ; Better Gas already found? | |
| 1067 return ; Yes, return | |
| 1068 lfsr FSR1,opt_gas_type ; 0=Disabled, 1=First, 2=Travel, 3=Deco | |
| 1069 btfss PLUSW1,0 ; Test for Bit0 and 1 -> type=3 -> Deco | |
| 1070 return ; No | |
| 1071 btfss PLUSW1,1 ; Test for Bit0 and 1 -> type=3 -> Deco | |
| 1072 return ; No | |
| 1073 incf WREG,W ; 1-5 | |
| 1074 cpfseq active_gas ; is this gas currently selected? | |
| 1075 bra check_gas_common2 ; No | |
| 1076 return ; Yes, skip test for active gas | |
| 1077 check_gas_common2: | |
| 1078 decf WREG,W ; 0-4 | |
| 1079 movwf hi ; Save tested gas 0-4 | |
|
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|
1080 lfsr FSR1,opt_OC_bail_gas_change |
| 0 | 1081 movff PLUSW1,lo ; Change depth into lo |
| 1082 movlw minimum_change_depth | |
| 1083 cpfsgt lo ; Change depth>minimum_change_depth? | |
| 1084 return ; No, Change depth not deep enough, skip! | |
| 1085 movf xC+0,W ; load depth in m into WREG | |
| 1086 cpfsgt lo ; gas_change_depth < current depth? | |
| 69 | 1087 bra check_gas_common3 ; No, check if we are within the better_gas_window_pos window |
| 1088 incf hi,W ; 1-5 | |
| 1089 movwf better_gas_number ; number (1-5) of the "better gas" in divemode, =0: no better gas available | |
| 1090 movlw better_gas_window_neg | |
| 1091 subwf lo,W ; Change depth-better_gas_window_neg | |
| 1092 cpfslt xC+0 ; current depth<Change depth-better_gas_window_neg? | |
| 1093 bsf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode | |
| 1094 return | |
| 1095 | |
| 1096 check_gas_common3: | |
| 0 | 1097 incf hi,W ; 1-5 |
| 1098 movwf better_gas_number ; number (1-5) of the "better gas" in divemode, =0: no better gas available | |
| 69 | 1099 movlw better_gas_window_pos |
| 1100 addwf lo,W ; Change depth+better_gas_window_pos | |
| 1101 cpfsgt xC+0 ; current depth>Change depth+better_gas_window_pos? | |
| 1102 bra check_gas_common4 ; Ok, now check the better gas ppO2<opt_ppO2_max | |
| 1103 return | |
| 1104 | |
| 1105 check_gas_common4: | |
| 1106 movf hi,W ; 0-4 | |
| 1107 lfsr FSR1,char_I_deco_N2_ratio | |
| 1108 movff PLUSW1,lo ; N2 ratio into lo | |
| 1109 lfsr FSR1,char_I_deco_He_ratio | |
| 1110 movff PLUSW1,xB+0 ; He ratio into xB+0 | |
| 1111 movf xB+0,W | |
| 1112 addwf lo,F | |
| 1113 movlw .101 | |
| 1114 bcf STATUS,C | |
| 1115 subfwb lo,F ; O2 ratio in lo | |
| 1116 | |
| 1117 SAFE_2BYTE_COPY amb_pressure, xA | |
| 1118 movlw d'10' | |
| 1119 movwf xB+0 | |
| 1120 clrf xB+1 | |
| 1121 call div16x16 ; xC=p_amb/10 | |
| 1122 movff xC+0,xA+0 | |
| 1123 movff xC+1,xA+1 | |
| 1124 movff lo,xB+0 ; =O2 ratio | |
| 1125 clrf xB+1 | |
| 1126 call mult16x16 ; lo * p_amb/10 | |
| 1127 | |
| 1128 ; Check very high ppO2 manually | |
| 1129 tstfsz xC+2 ; char_I_O2_ratio * p_amb/10 > 65536, ppO2>6,55bar? | |
| 1130 return ; Done. | |
| 1131 ; Check if ppO2>3,30bar | |
| 1132 btfsc xC+1,7 | |
| 1133 return ; Done. | |
| 1134 | |
| 1135 ; ; Check for low ppo2 | |
| 1136 ; movff xC+0,sub_b+0 | |
| 1137 ; movff xC+1,sub_b+1 | |
| 1138 ; movff opt_ppO2_min,WREG | |
| 1139 ; mullw d'100' ; opt_ppO2_min*100 | |
| 1140 ; movff PRODL,sub_a+0 | |
| 1141 ; movff PRODH,sub_a+1 | |
| 1142 ; call subU16 | |
| 1143 ; btfss neg_flag | |
| 1144 ; return ; Done (Too low). | |
| 1145 | |
| 1146 ;check if we are within our warning thresholds! | |
| 1147 movff xC+0,sub_b+0 | |
| 1148 movff xC+1,sub_b+1 | |
| 1149 movff opt_ppO2_max,WREG ; PPO2 Max for MOD calculation and color coding in divemode | |
| 1150 addlw .1 ; e.g. >1.60 | |
| 1151 mullw d'100' ; opt_ppO2_max*100 | |
| 1152 movff PRODL,sub_a+0 | |
| 1153 movff PRODH,sub_a+1 | |
| 1154 call subU16 | |
| 1155 btfss neg_flag | |
| 0 | 1156 bsf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode |
| 69 | 1157 return ; Done. |
| 0 | 1158 |
| 1159 check_dil_common: ; With Dil 0-4 in WREG | |
| 1160 btfsc better_gas_available ; Better Diluent already found? | |
| 1161 return ; Yes, return | |
| 1162 lfsr FSR1,opt_dil_type ; 0=Disabled, 1=First, 2=Normal | |
| 1163 tstfsz PLUSW1 ; =0? | |
| 1164 bra check_dil_common1 ; No | |
| 1165 return ; Yes, skip inactive diluents for test | |
| 1166 check_dil_common1: | |
| 1167 incf WREG,W ; 1-5 | |
| 1168 cpfseq active_gas ; is this diluent currently selected? | |
| 1169 bra check_dil_common2 ; No | |
| 1170 return ; Yes, skip test for active diluent | |
| 1171 check_dil_common2: | |
| 1172 decf WREG,W ; 0-4 | |
| 1173 movwf hi ; Save tested diluent 0-4 | |
| 1174 lfsr FSR1,char_I_dil_change | |
| 1175 movff PLUSW1,lo ; Change depth into lo | |
| 1176 movlw minimum_change_depth | |
| 1177 cpfsgt lo ; Change depth>minimum_change_depth? | |
| 1178 return ; No, Change depth not deep enough, skip! | |
| 1179 movf xC+0,W ; load depth in m into WREG | |
| 1180 cpfsgt lo ; gas_change_depth < current depth? | |
| 1181 return ; No, check next gas | |
| 1182 incf hi,W ; 1-5 | |
| 1183 addlw .5 ; 6-10 | |
| 1184 movwf better_gas_number ; number (1-5) of the "better gas" in divemode, =0: no better gas available | |
| 69 | 1185 movlw better_gas_window_neg |
| 1186 subwf lo,W ; Change depth-better_gas_window_neg | |
| 1187 cpfslt xC+0 ; current depth<Change depth-better_gas_window_neg? | |
| 0 | 1188 bsf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode |
| 1189 return | |
| 1190 | |
| 1191 ;============================================================================= | |
| 1192 ; Setup everything to enter divemode. | |
| 1193 ; | |
| 1194 | |
| 1195 dive_boot_oc: | |
| 1196 extern get_first_gas_to_WREG | |
| 1197 call get_first_gas_to_WREG ; Gets first gas (0-4) into WREG | |
| 1198 movff WREG,char_I_first_gas ; Copy for compatibility | |
| 1199 movff WREG,active_gas ; Set for logbook and display | |
| 1200 rcall setup_gas_registers ; With WREG=Gas 0-4 | |
| 1201 return | |
| 1202 | |
| 1203 dive_boot_cc: | |
| 1204 rcall divemode_setup_sensor_values ; setup sensor values | |
| 1205 TSTOSS opt_ccr_mode ; =0: Fixed SP, =1: Sensor | |
| 1206 movff char_I_setpoint_cbar+0,char_I_const_ppO2 ; Setup fixed Setpoint (Always start with SP1) | |
| 1207 extern get_first_dil_to_WREG | |
| 1208 call get_first_dil_to_WREG ; Gets first gas (0-4) into WREG | |
| 1209 movff WREG,char_I_first_gas ; Copy for compatibility | |
| 1210 movff WREG,active_gas ; Set for logbook and display | |
| 1211 rcall setup_dil_registers ; With WREG=Gas 0-4 | |
| 1212 return | |
| 1213 | |
| 1214 diveloop_boot: | |
| 1215 call restart_set_modes_and_flags | |
| 1216 | |
| 1217 call I2C_sleep_accelerometer ; Stop accelerometer | |
| 1218 call I2C_sleep_compass ; Stop compass | |
| 1219 | |
| 1220 clrf WREG | |
| 1221 movff WREG,max_pressure+0 ; clear some variables | |
| 1222 movff WREG,max_pressure+1 | |
| 1223 | |
| 1224 bcf use_agf ; Start with normal GF set | |
| 1225 bcf divemode_menu ; clear divemode menu flag | |
| 1226 movlw d'1' | |
| 1227 movwf apnoe_max_pressure+0 | |
| 1228 clrf apnoe_max_pressure+1 | |
| 1229 clrf apnoe_surface_mins | |
| 1230 clrf apnoe_surface_secs | |
| 1231 clrf apnoe_mins | |
| 1232 clrf divemins+0 | |
| 1233 clrf divemins+1 | |
| 1234 bcf no_more_divesecs ; =1: Do no longer show seconds in divemode | |
| 1235 bcf divemode_menu_active | |
| 1236 clrf menupos | |
| 1237 clrf menupos2 ; Reset to zero (Zero=no premenu or simulator task) | |
| 1238 | |
| 1239 bcf is_bailout ; =1: Bailout | |
| 1240 btfss FLAG_ccr_mode | |
| 1241 rcall dive_boot_oc | |
| 1242 btfsc FLAG_ccr_mode | |
| 1243 rcall dive_boot_cc | |
| 1244 | |
| 1245 bcf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode | |
| 1246 clrf better_gas_number ; Clear better gas register | |
| 1247 | |
|
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1248 bcf show_safety_stop ;=1: Show the safety stop |
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1249 clrf safety_stop_countdown ; Clear count-down |
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1250 |
| 0 | 1251 clrf samplesecs |
| 1252 clrf apnoe_timeout_counter ; timeout in minutes | |
| 1253 clrf timeout_counter ; takes care of the timeout (Low byte) | |
| 1254 clrf timeout_counter2 ; takes care of the timeout (High byte) | |
| 1255 clrf AlarmType ; Clear all alarms | |
| 1256 bcf event_occured ; clear flag | |
| 98 | 1257 bcf event2_occured ; clear flag |
| 0 | 1258 clrf total_divetime_seconds+1 |
| 1259 clrf average_depth_hold_total+0 | |
| 1260 clrf average_depth_hold_total+1 | |
| 1261 clrf average_depth_hold_total+2 | |
| 1262 clrf average_depth_hold_total+3 ; Clear Non-Resettable Average | |
| 1263 rcall reset_average1 ; Reset the resettable average depth | |
| 1264 bcf decostop_active | |
| 1265 bcf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode | |
| 1266 call ghostwriter_short_header ; Write short header with divenumber into profile memory | |
| 1267 | |
| 1268 btfsc simulatormode_active | |
| 1269 bra diveloop_boot_1 | |
| 1270 ; Normal mode = Surface pressure is the pressure 30mn before dive. | |
| 1271 SAFE_2BYTE_COPY last_surfpressure_30min, int_I_pres_surface ;copy surfacepressure to deco routine | |
| 1272 SAFE_2BYTE_COPY last_surfpressure_30min, last_surfpressure ;copy surfacepressure to last_surfpressure for correct depth | |
| 1273 bra diveloop_boot_2 | |
| 1274 | |
| 1275 diveloop_boot_1: | |
| 1276 ; Simulator mode: Surface pressure is 1bar. | |
| 1277 movlw LOW .1000 | |
| 1278 movff WREG,int_I_pres_surface+0 ; LOW copy surfacepressure to deco routine | |
| 1279 movlw HIGH .1000 | |
| 1280 movff WREG,int_I_pres_surface+1 ; HIGH copy surfacepressure to deco routine | |
| 1281 | |
| 1282 diveloop_boot_2: | |
| 1283 SAFE_2BYTE_COPY temperature,minimum_temperature ; Reset Min-Temp registers | |
| 1284 | |
| 1285 ; Init profile recording parameters | |
|
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1286 movff samplingrate,samplesecs_value ; to avoid EEPROM access in the ISR |
| 0 | 1287 movlw div_temperature |
| 1288 movwf divisor_temperature ; load divisors for profile storage | |
| 1289 movlw div_deco | |
| 1290 movwf divisor_deco | |
| 1291 movlw div_gf | |
| 1292 movwf divisor_gf | |
| 1293 movlw div_ppo2_sensors | |
| 1294 movwf divisor_ppo2_sensors | |
| 1295 movlw div_decoplan | |
| 1296 movwf divisor_decoplan | |
| 1297 movlw div_cns | |
| 1298 movwf divisor_cns | |
| 1299 movlw div_tank | |
| 1300 movwf divisor_tank | |
| 1301 | |
| 1302 btfss FLAG_apnoe_mode ; In Apnoe mode? | |
|
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1303 bra divemode_boot1 |
| 0 | 1304 ; Overwrite some parameters in Apnoe mode.... |
| 1305 movlw samplingrate_apnoe | |
| 1306 movwf samplesecs_value ; to avoid EEPROM access in the ISR | |
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1307 divemode_boot1: |
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1308 btfsc FLAG_ccr_mode ; =1: CCR mode (Fixed ppO2 or Sensor) active |
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1309 bra divemode_boot2 |
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1310 ; in OC Mode, disable ppO2 logging |
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1311 movlw .0 |
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1312 movwf divisor_ppo2_sensors |
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1313 divemode_boot2: |
| 0 | 1314 |
| 1315 bcf LEDg | |
| 1316 bcf LEDr | |
| 1317 bcf realdive | |
| 1318 btfss simulatormode_active ; do not disable in simulator mode! | |
| 1319 call disable_rs232 ; Disable RS232 | |
| 1320 btfsc enable_screen_dumps ; =1: Ignore vin_usb, wait for "l" command (Screen dump) | |
| 1321 call enable_rs232 ; Also sets to speed_normal ... | |
|
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1322 ; Reset divetime seconds |
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1323 movlw .2 ; Start at 2seconds |
| 0 | 1324 movwf total_divetime_seconds+0 |
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1325 movwf divesecs |
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1326 movwf apnoe_secs |
| 0 | 1327 bsf divemode2 ; displayed divetime is running (Divetime starts HERE) |
| 1328 | |
| 1329 movff int_O_CNS_fraction+0,CNS_start+0 | |
| 1330 movff int_O_CNS_fraction+1,CNS_start+1 ; Save CNS value at beginning of dive | |
| 1331 movff char_O_relative_gradient_GF,GF_start ; Save GF value at beginning of dive | |
| 1332 return ; Done with divemode boot | |
| 1333 | |
| 1334 divemode_check_for_warnings: | |
| 131 | 1335 movlw .2 |
| 1336 cpfsgt warning_counter ; only two warnings active? | |
| 1337 bra divemode_check_for_warnings1 ; Yes, update every second | |
| 1338 | |
| 1339 btfss secs,0 ; Every two seconds... | |
| 1340 return | |
| 1341 btfss secs,1 ; Every four seconds... | |
| 0 | 1342 return |
| 1343 | |
| 131 | 1344 divemode_check_for_warnings1: |
| 0 | 1345 movf warning_counter_backup,W |
| 1346 cpfseq warning_counter ; warning_counter_backup = warning_counter? | |
| 1347 call TFT_clear_warning_text ; No, clear all warnings | |
| 1348 movff warning_counter,warning_counter_backup ; copy warning_counter | |
| 1349 | |
| 1350 bcf warning_active ; Clear flag | |
| 1351 clrf warning_counter ; Clear counter | |
| 1352 | |
| 1353 ; Warnings for all modes | |
| 1354 call check_warn_battery ; Check if the battery level should be displayed/warned | |
| 55 | 1355 call check_divetimeout ; Not actually a warning. Check and show the divemode timeout |
| 0 | 1356 |
| 1357 btfsc FLAG_apnoe_mode ; Done for Apnoe or Gauge mode | |
| 1358 bra divemode_check_for_warnings2 | |
| 1359 btfsc FLAG_gauge_mode ; Done for Apnoe or Gauge mode | |
| 1360 bra divemode_check_for_warnings2 | |
| 1361 | |
| 1362 ; Warnings only in deco modes | |
| 1363 btfss FLAG_ccr_mode ; Don't check in CCR mode | |
| 1364 rcall check_ppO2 ; check ppO2 and displays warning, if required | |
| 1365 btfsc is_bailout ; But check in Bailout case... | |
| 1366 rcall check_ppO2 ; check ppO2 and displays warning, if required | |
| 1367 rcall check_cns_violation ; Check CNS value and display it, if required | |
| 1368 btfsc decostop_active ; In deco mode? | |
| 1369 rcall check_and_store_gf_violation ; Yes, Sets warnings, if required | |
| 1370 btfsc decostop_active ; In deco mode? | |
| 1371 call TFT_ftts ; Show @+x time | |
| 1372 btfsc use_agf ; In aGF mode? | |
| 1373 rcall warn_agf ; Yes, show a warning for it | |
| 1374 | |
| 1375 divemode_check_for_warnings2: | |
| 1376 ; Display the warning icon? | |
| 1377 btfsc warning_active ; Any warning active? | |
| 1378 call TFT_divemode_warning ; Yes | |
| 1379 btfss warning_active ; Any warning active? | |
| 1380 call TFT_divemode_warning_clear ; No, clear warning icon | |
| 1381 | |
| 1382 ; Setup warning_page number | |
| 1383 incf warning_page,F | |
| 1384 bcf STATUS,C | |
| 1385 rlcf warning_page,W ; *2 | |
| 1386 cpfsgt warning_counter ; > warning_counter | |
| 1387 clrf warning_page ; No, clear | |
| 1388 | |
| 1389 ; Clear 2nd row of warnings if there is nothing to show (on this page) | |
| 1390 btfss second_row_warning ; =1: The second row contains a warning | |
| 1391 call TFT_clear_warning_text_2nd_row ; No, clear this row | |
| 1392 return ; Done. | |
| 1393 | |
| 1394 global check_warn_battery | |
| 1395 check_warn_battery: | |
| 1396 movff batt_percent,lo | |
| 1397 movlw battery_show_level+1 | |
| 1398 cpfslt lo | |
| 1399 return ; No Display, no warning | |
| 1400 ; Display Battery, but warn? | |
| 1401 incf warning_counter,F ; increase counter | |
| 1402 call TFT_update_batt_percent_divemode ; Show percent | |
| 1403 | |
| 86 | 1404 movff batt_percent,lo |
| 0 | 1405 movlw color_code_battery_low+1 |
| 1406 cpfslt lo ; | |
| 1407 return ; No warning | |
| 1408 bsf warning_active ; Set Warning flag | |
| 1409 return | |
| 1410 | |
| 55 | 1411 check_divetimeout: |
| 1412 btfsc divemode2 | |
| 1413 return ; displayed divetime is not running | |
| 1414 incf warning_counter,F ; increase counter | |
| 1415 call TFT_divetimeout ; Show timeout counter | |
| 1416 return | |
| 1417 | |
| 1418 | |
| 0 | 1419 check_ppO2: ; check current ppO2 and display warning if required |
| 1420 SAFE_2BYTE_COPY amb_pressure, xA | |
| 1421 movlw d'10' | |
| 1422 movwf xB+0 | |
| 1423 clrf xB+1 | |
| 1424 call div16x16 ; xC=p_amb/10 | |
| 1425 | |
| 1426 movff xC+0,xA+0 | |
| 1427 movff xC+1,xA+1 | |
| 1428 movff char_I_O2_ratio,xB+0 ; =O2 ratio | |
| 1429 clrf xB+1 | |
| 1430 call mult16x16 ; char_I_O2_ratio * p_amb/10 | |
| 1431 | |
| 1432 ; Check very high ppO2 manually | |
| 1433 tstfsz xC+2 ; char_I_O2_ratio * p_amb/10 > 65536, ppO2>6,55bar? | |
| 1434 bra check_ppO2_1 ; Yes, display Value! | |
| 1435 ; Check if ppO2>3,30bar | |
| 1436 btfsc xC+1,7 | |
| 1437 bra check_ppO2_1 ; Yes! | |
| 1438 | |
| 1439 ; Check for low ppo2 | |
| 1440 movff xC+0,sub_b+0 | |
| 1441 movff xC+1,sub_b+1 | |
| 1442 movff opt_ppO2_min,WREG | |
| 1443 mullw d'100' ; opt_ppO2_min*100 | |
| 1444 movff PRODL,sub_a+0 | |
| 1445 movff PRODH,sub_a+1 | |
| 1446 call subU16 | |
| 1447 btfsc neg_flag | |
| 1448 bra check_ppO2_0 ; Not too low | |
| 1449 ; ppO2 low | |
| 1450 incf warning_counter,F ; increase counter | |
| 1451 call TFT_display_ppo2 ; Show ppO2 | |
| 1452 movlw d'4' ; Type of Alarm (ppO2 low) | |
| 1453 movwf AlarmType ; Copy to Alarm Register | |
| 1454 bsf event_occured ; Set Event Flag | |
| 1455 bsf warning_active ; Set Warning flag | |
| 1456 return ; Done. | |
| 1457 | |
| 1458 check_ppO2_0: | |
| 1459 ; Check if ppO2 should be displayed | |
| 1460 movlw ppo2_display_high | |
| 1461 mullw d'100' ; ppo2_display_high*100 | |
| 1462 movff PRODL,sub_a+0 | |
| 1463 movff PRODH,sub_a+1 | |
| 1464 call subU16 | |
| 1465 btfss neg_flag | |
| 1466 return ; No Display, no warning | |
| 1467 ; Display ppO2, but warn? | |
| 1468 incf warning_counter,F ; increase counter | |
| 1469 call TFT_display_ppo2 ; Show ppO2 | |
| 1470 | |
| 1471 ;check if we are within our warning thresholds! | |
| 1472 movff xC+0,sub_b+0 | |
| 1473 movff xC+1,sub_b+1 | |
| 1474 movff opt_ppO2_max,WREG ; PPO2 Max for MOD calculation and color coding in divemode | |
| 69 | 1475 addlw .1 ; e.g. >1.60 |
| 0 | 1476 mullw d'100' ; opt_ppO2_max*100 |
| 1477 movff PRODL,sub_a+0 | |
| 1478 movff PRODH,sub_a+1 | |
| 1479 call subU16 | |
| 1480 btfss neg_flag | |
| 1481 return ; Done. Not too high | |
| 1482 movlw d'5' ; Type of Alarm (ppO2 high) | |
| 1483 movwf AlarmType ; Copy to Alarm Register | |
| 1484 bsf event_occured ; Set Event Flag | |
| 1485 bsf warning_active ; Set Warning flag | |
| 1486 return ; Done. | |
| 1487 | |
| 1488 check_ppO2_1: ; ppO2 very high | |
| 1489 incf warning_counter,F ; increase counter | |
| 1490 call TFT_display_ppo2 ; Show ppO2 | |
| 1491 movlw d'5' ; Type of Alarm | |
| 1492 movwf AlarmType ; Copy to Alarm Register | |
| 1493 bsf event_occured ; Set Event Flag | |
| 1494 bsf warning_active ; Set Warning flag | |
| 1495 return ; Done. | |
| 1496 | |
| 1497 global check_cns_violation | |
| 1498 check_cns_violation: | |
| 1499 ; Check if CNS should be displayed | |
| 1500 movff int_O_CNS_fraction+1,lo ; copy into bank1 | |
| 1501 tstfsz lo ; >255% ? | |
| 1502 bra check_cns_violation2 ; Yes | |
| 1503 movff int_O_CNS_fraction+0,lo ; copy into bank1 | |
| 1504 | |
| 1505 movlw cns_warning_high ; cns_warning_high | |
| 1506 subwf lo,W | |
| 1507 btfsc STATUS,C | |
| 1508 bsf warning_active ; Set Warning flag | |
| 1509 | |
| 1510 movlw cns_display_high ; cns_display_high | |
| 1511 subwf lo,W | |
| 1512 btfss STATUS,C | |
| 1513 return ; No Display, no warning | |
| 1514 ; Display CNS | |
| 1515 incf warning_counter,F ; increase counter | |
| 1516 call TFT_display_cns ; Show CNS | |
| 1517 return | |
| 1518 | |
| 1519 check_cns_violation2: | |
| 1520 incf warning_counter,F ; increase counter | |
| 1521 call TFT_display_cns ; Show CNS | |
| 1522 bsf warning_active ; Set Warning flag | |
| 1523 return | |
| 1524 | |
| 1525 global check_and_store_gf_violation | |
| 1526 check_and_store_gf_violation: | |
| 1527 movff char_O_gradient_factor,lo ; gradient factor absolute (Non-GF model) | |
| 1528 movff char_I_deco_model,hi | |
| 1529 decfsz hi,F ; jump over next line if char_I_deco_model == 1 | |
| 1530 movff char_O_relative_gradient_GF,lo ; gradient factor relative (GF model) | |
| 1531 | |
| 1532 movlw gf_warning_high | |
| 1533 cpfsgt lo | |
| 1534 bra check_and_store_gf_violation2 ; No warning | |
| 1535 movlw d'2' ; Type of Alarm | |
| 1536 movwf AlarmType ; Copy to Alarm Register | |
| 1537 bsf event_occured ; Set Event Flag | |
| 1538 bsf warning_active ; Set Warning flag | |
| 1539 check_and_store_gf_violation2: | |
| 1540 movlw gf_display_high | |
| 1541 cpfsgt lo | |
| 1542 return ; No Display, no warning | |
| 1543 ; Display GF | |
| 1544 incf warning_counter,F ; increase counter | |
| 1545 call TFT_warning_gf ; Show GF Warning | |
| 1546 return | |
| 1547 | |
| 1548 warn_agf: | |
| 1549 incf warning_counter,F ; increase counter | |
| 1550 call TFT_warning_agf ; Show aGF warning | |
| 86 | 1551 ; bsf warning_active ; Set Warning flag |
| 0 | 1552 return |
| 1553 | |
| 1554 | |
| 1555 END |