Mercurial > public > hwos_code
annotate src/divemode.asm @ 275:653a3ab08062
rename into hwOS
| author | heinrichsweikamp |
|---|---|
| date | Thu, 07 May 2015 13:11:14 +0200 |
| parents | 9347893b74ce |
| children | 24daa6523218 |
| 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 | |
| 275 | 12 #include "hwos.inc" ; Mandatory header |
| 0 | 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" |
|
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27 #include "convert.inc" |
| 0 | 28 |
| 29 gui CODE | |
| 30 | |
| 31 global diveloop | |
| 32 diveloop: | |
| 33 banksel common | |
| 34 call speed_normal | |
| 35 call diveloop_boot ; Boot tasks for all modes | |
| 36 | |
| 37 ; Startup Tasks for all modes | |
| 206 | 38 call TFT_boot ; Initialize TFT (includes clear screen) |
| 0 | 39 call TFT_divemode_mask ; Display mask |
| 40 call TFT_temp_divemode ; Displays temperature | |
|
39
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41 movff customview_divemode,menupos3 ; Reload last customview |
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42 call customview_mask ; Redraw last custom view |
| 0 | 43 |
| 44 btfsc FLAG_apnoe_mode | |
| 45 bsf realdive ; Set Realdive flag in Apnoe mode | |
| 46 | |
| 47 btfsc FLAG_apnoe_mode ; Done for Apnoe or Gauge mode | |
| 48 bra diveloop_loop | |
| 49 btfsc FLAG_gauge_mode ; Done for Apnoe or Gauge mode | |
| 50 bra diveloop_loop | |
| 51 | |
| 52 call TFT_active_gas_divemode ; Display gas/Setpoint | |
| 53 call TFT_display_ndl_mask ; display "NDL" | |
| 54 | |
| 55 ; +@5 init | |
| 56 setf WREG ; WAIT marker: display "---" | |
| 57 movff WREG,int_O_extra_ascenttime+0 | |
| 58 movff WREG,int_O_extra_ascenttime+1 | |
| 59 movlw 1 | |
| 60 movwf apnoe_mins ; Start compute after next cycle. | |
| 61 | |
| 62 ;-------------------------------------------------------------------------------------------------------- | |
| 63 diveloop_loop: ; The diveloop starts here | |
| 64 btfss onesecupdate | |
| 65 bra diveloop_loop3 | |
| 66 | |
| 67 ; tasks any new second... | |
| 178 | 68 bcf onesecupdate ; one seconds update, clear flag here in case it's set again in ISR before all tasks are done. |
| 69 | |
| 0 | 70 btfsc FLAG_apnoe_mode ; Only in apnoe mode |
| 71 bra diveloop_loop1b ; One Second Tasks in Apnoe mode | |
| 72 | |
| 73 call TFT_divemins ; Display (new) divetime! | |
| 74 call customview_second ; Do every-second tasks for the custom view area | |
| 131 | 75 call divemode_check_for_warnings ; Check for any warnings |
| 0 | 76 |
| 77 ; Tasks only for deco modes | |
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78 btfsc show_safety_stop ; Show the safety stop? |
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79 call TFT_show_safety_stop ; Yes, show/delete if done. |
| 0 | 80 call calc_deko_divemode ; calculate decompression and display result (any two seconds) |
| 81 bra diveloop_loop1x ; Common Tasks | |
| 82 | |
| 83 diveloop_loop1b: | |
| 84 ; Tasks only for Apnoe mode | |
| 131 | 85 rcall divemode_apnoe_tasks ; 1 sec. Apnoe tasks |
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86 call customview_second ; Do every-second tasks for the custom view area |
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87 bra diveloop_loop1x ; Common Tasks |
| 0 | 88 |
| 89 diveloop_loop1x: | |
| 90 ; Common 1sec. tasks for all modes | |
| 131 | 91 rcall timeout_divemode ; dive finished? This routine sets the required flags |
| 92 rcall set_dive_modes ; tests if depth>threshold | |
| 93 rcall set_min_temp ; store min. temp if required | |
| 0 | 94 |
| 95 btfsc store_sample ; store new sample? | |
| 96 call store_dive_data ; Store profile data | |
| 97 | |
| 98 btfss divemode ; Dive finished? | |
| 99 goto ghostwriter_end_dive ; Dive finished! | |
| 100 | |
| 101 btfsc divemode_gaschange ; Gas switch flag set? | |
| 102 rcall gas_switched_common ; Yes | |
| 103 | |
| 104 btfsc toggle_gf ; =1: Toggle GF/aGF | |
| 105 rcall divemodemode_togglegf ; Toggle aGF/GF | |
| 106 | |
| 113 | 107 call compute_ppo2 ; compute mv_sensorX and ppo2_sensorX arrays |
| 108 | |
| 0 | 109 diveloop_loop3: |
| 110 rcall test_switches_divemode ; Check switches in divemode | |
| 111 | |
| 112 global diveloop_loop4 | |
| 113 diveloop_loop4: ; Menu-Exit returns here... | |
| 114 btfsc toggle_customview ; Next view? | |
| 115 call customview_toggle ; Yes, show next customview (and delete this flag) | |
| 116 | |
| 117 btfsc pressure_refresh ; new pressure available? | |
| 118 rcall update_temp_and_or_depth ; Yes, display new depth and clear "pressure_refresh" flag | |
| 119 | |
| 120 btfsc oneminupdate ; one minute tasks | |
| 121 rcall update_divemode60 ; Update clock, etc. | |
| 122 | |
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123 ; btfss quarter_second_update |
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124 ; bra diveloop_loop4a |
| 83 | 125 |
| 0 | 126 bcf quarter_second_update |
| 127 movlw .6 | |
| 128 cpfseq menupos3 ; in compass view? | |
| 129 bra diveloop_loop4a ; No | |
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130 extern TFT_dive_compass_heading |
| 0 | 131 call TFT_dive_compass_heading ; Yes, update compass heading value |
| 132 diveloop_loop4a: | |
| 133 btfsc enable_screen_dumps ; =1: Ignore vin_usb, wait for "l" command (Screen dump) | |
| 134 bra diveloop_loop5 | |
| 135 bra diveloop_loop6 | |
| 136 diveloop_loop5: | |
| 137 btfss vusb_in ; USB (still) plugged in? | |
| 138 bcf enable_screen_dumps ; No, clear flag | |
| 139 call rs232_get_byte | |
| 140 btfsc rs232_recieve_overflow | |
| 141 bra diveloop_loop6 | |
| 142 movlw "l" | |
| 143 cpfseq RCREG1 | |
| 144 bra diveloop_loop6 | |
| 145 call TFT_dump_screen ; Dump the screen contents | |
| 146 diveloop_loop6: | |
| 147 | |
| 148 bra diveloop_loop ; Loop the divemode | |
| 149 ;-------------------------------------------------------------------------------------------------------- | |
| 150 | |
| 151 | |
| 152 divemode_apnoe_tasks: ; 1 sec. Apnoe tasks | |
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153 call TFT_display_apnoe_descent ; Yes, Show descent timer |
| 0 | 154 call TFT_max_pressure ; use normal max. depth |
| 155 | |
| 156 btfsc divemode2 ; Time running? | |
| 157 bra divemode_apnoe_tasks2 ; New descent, reset data if flag is set | |
| 158 | |
| 159 rcall apnoe_calc_maxdepth | |
| 160 call TFT_display_apnoe_surface | |
| 161 call TFT_display_apnoe_last_max ; Show last max. depth | |
| 162 incf apnoe_surface_secs,F | |
| 163 movlw d'60' | |
| 164 cpfseq apnoe_surface_secs | |
| 165 bra divemode_apnoe_tasks1 | |
| 166 clrf apnoe_surface_secs | |
| 167 incf apnoe_surface_mins,F | |
| 168 | |
| 169 divemode_apnoe_tasks1: | |
| 170 bcf FLAG_active_descent ; Clear flag | |
| 171 btfsc divemode2 ; Time running? | |
| 172 return ; Yes, return | |
| 173 bsf FLAG_active_descent ; Set Flag | |
| 174 return | |
| 175 | |
| 176 divemode_apnoe_tasks2: | |
| 177 btfss FLAG_active_descent ; Are we descending? | |
| 178 return ; No, We are at the surface | |
| 179 rcall apnoe_calc_maxdepth ; Yes! | |
| 180 call TFT_apnoe_clear_surface ; Clear Surface timer | |
| 181 clrf apnoe_timeout_counter ; Delete timeout | |
| 182 clrf apnoe_surface_secs | |
| 183 clrf apnoe_surface_mins | |
| 184 clrf apnoe_secs | |
| 185 clrf apnoe_mins ; Reset Descent time | |
| 186 movlw .0 | |
| 187 movff WREG,max_pressure+0 | |
| 188 movff WREG,max_pressure+1 ; Reset Max. Depth | |
| 189 bcf FLAG_active_descent ; Clear flag | |
| 190 return | |
| 191 | |
| 192 global apnoe_calc_maxdepth | |
| 193 apnoe_calc_maxdepth: | |
| 194 movff apnoe_max_pressure+0,sub_a+0 | |
| 195 movff apnoe_max_pressure+1,sub_a+1 | |
| 196 movff max_pressure+0,sub_b+0 | |
| 197 movff max_pressure+1,sub_b+1 | |
| 198 call subU16 ; sub_c = sub_a - sub_b | |
| 199 ; apnoe_max_pressure<max_pressure -> neg_flag=1 | |
| 200 ; max_pressure<=apnoe_max_pressure -> neg_flag=0 | |
| 201 btfss neg_flag | |
| 202 return | |
| 203 ;apnoe_max_pressure<max_pressure | |
| 204 movff max_pressure+0,apnoe_max_pressure+0 | |
| 205 movff max_pressure+1,apnoe_max_pressure+1 | |
| 206 return | |
| 207 | |
| 208 | |
| 209 calc_deko_divemode: | |
| 210 btfsc twosecupdate ; two seconds after the last call | |
| 211 bra calc_deko_divemode2 ; Yes, calculate and display deco data ("first second") | |
| 212 | |
| 213 bsf twosecupdate ; No, but next second! | |
| 214 ; Routines used in the "other second" | |
| 215 call calc_average_depth ; calculate average depth | |
| 216 call calc_velocity ; calculate vertical velocity and display if > threshold (every two seconds) | |
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217 call set_reset_safety_stop ; Set flags for safety stop and/or reset safety stop |
| 0 | 218 call TFT_debug_output |
| 219 | |
| 220 btfsc FLAG_apnoe_mode ; Done for Apnoe or Gauge mode | |
| 221 return | |
| 222 btfsc FLAG_gauge_mode ; Done for Apnoe or Gauge mode | |
| 223 return | |
| 224 | |
| 225 ; Calculate CNS | |
| 226 rcall set_actual_ppo2 ; Set char_I_actual_ppO2 | |
| 227 clrf WREG | |
| 228 movff WREG,char_I_step_is_1min ; Make sure to be in 2sec mode. | |
| 229 call deco_calc_CNS_fraction ; calculate CNS | |
| 230 movlb b'00000001' ; rambank 1 selected | |
| 231 | |
| 232 ; Check for a gas change | |
| 233 rcall check_gas_change ; Checks if a better gas should be selected (by user) | |
| 234 | |
| 235 return | |
| 236 | |
| 237 global set_actual_ppo2 | |
| 238 set_actual_ppo2: ; calculate ppO2 in 0.01bar (e.g. 150 = 1.50 bar ppO2) | |
| 111 | 239 btfsc divemode ; in divemode |
| 240 bra set_actual_ppo2_dive ; Yes | |
| 241 ; No, use simulated ambient pressure for char_I_actual_ppO2 | |
| 242 movff char_I_bottom_depth,WREG | |
| 243 mullw .100 | |
| 244 movlw LOW(.1000) | |
| 245 addwf PRODL,W | |
| 246 movwf xA+0 | |
| 247 movlw HIGH(.1000) | |
| 248 addwfc PRODH,W | |
| 249 movwf xA+1 ; P_amb in millibar (1000 = 1.00 bar). | |
| 250 bra set_actual_ppo2_common | |
| 251 set_actual_ppo2_dive: | |
| 0 | 252 SAFE_2BYTE_COPY amb_pressure, xA ; P_amb in millibar (1000 = 1.00 bar). |
| 111 | 253 set_actual_ppo2_common: |
| 113 | 254 movlw d'10' |
| 0 | 255 movwf xB+0 |
| 256 clrf xB+1 | |
| 257 call div16x16 ; xC=p_amb/10 (100 = 1.00 bar). | |
| 258 movff xC+0,xA+0 | |
| 259 movff xC+1,xA+1 | |
| 260 movff char_I_O2_ratio,xB+0 | |
| 261 clrf xB+1 | |
| 262 call mult16x16 ; char_I_O2_ratio * (p_amb/10) | |
| 263 movff xC+0,xA+0 | |
| 264 movff xC+1,xA+1 | |
| 265 movlw d'100' | |
| 266 movwf xB+0 | |
| 267 clrf xB+1 | |
| 268 call div16x16 ; xC=(char_I_O2_ratio * p_amb/10)/100 | |
| 269 | |
| 270 ; Copy ppO2 for CNS calculation | |
| 271 tstfsz xC+1 ; Is ppO2 > 2.55bar ? | |
| 272 setf xC+0 ; yes: bound to 2.55... better than wrap around. | |
| 273 | |
| 274 movff xC+0, char_I_actual_ppO2 ; copy last ppO2 to buffer register | |
| 275 btfsc is_bailout ; In Bailout? | |
| 276 return ; Yes, done. | |
| 277 ; No Bailout, check for ccr mode | |
| 278 btfsc FLAG_ccr_mode ; If FLAG_ccr_mode=1... | |
| 279 movff char_I_const_ppO2, char_I_actual_ppO2 ; ...copy last ppO2 to buffer register | |
| 280 return | |
| 281 | |
| 195 | 282 check_fallback_clear: |
| 283 call check_sensors ; Setups "use_O2_sensorX" flags | |
| 284 ; Copy use flags to voting logic flags in case we are no longer in fallback | |
| 285 btfsc use_O2_sensor1 | |
| 286 bsf voting_logic_sensor1 | |
| 287 btfsc use_O2_sensor2 | |
| 288 bsf voting_logic_sensor2 | |
| 289 btfsc use_O2_sensor3 | |
| 290 bsf voting_logic_sensor3 | |
| 291 rcall divemode_setup_sensor_values ; Setup sensor values | |
| 292 call check_sensors ; Check O2 sensor thresholds for fallback | |
| 293 return | |
| 0 | 294 |
| 295 calc_deko_divemode2: | |
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296 bcf twosecupdate |
| 0 | 297 |
| 298 btfsc FLAG_apnoe_mode ; Done for Apnoe or Gauge mode | |
| 299 return | |
| 300 btfsc FLAG_gauge_mode ; Done for Apnoe or Gauge mode | |
| 301 return | |
| 302 | |
| 303 extern deco_setup_dive | |
| 304 call deco_setup_dive ; Pass all parameters to the C code | |
| 305 | |
| 195 | 306 |
| 307 btfsc setpoint_fallback ; Are we in Fallback? | |
| 308 rcall check_fallback_clear ; Yes, check if we still have fallback condition | |
| 309 | |
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310 bcf setpoint_fallback ; =1: Fallback to SP1 due to external O2 sensor failure |
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311 |
| 161 | 312 btfss FLAG_ccr_mode ; In CCR mode? |
| 313 bra calc_deko_divemode2a ; Skip all the following if not in CCR mode | |
| 314 | |
| 0 | 315 TSTOSS opt_ccr_mode ; =0: Fixed SP, =1: Sensor |
| 316 bra calc_deko_divemode2a | |
| 317 rcall divemode_setup_sensor_values ; Setup sensor values | |
| 195 | 318 call check_sensors ; Check O2 sensor thresholds for fallback |
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319 movff sensor_setpoint,char_I_const_ppO2; Copy sensor result |
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320 |
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321 TSTOSS opt_sensor_fallback ; =1: Fallback to SP1 when sensor is lost |
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322 bra calc_deko_divemode2a ; Never fallback |
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323 |
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324 btfsc is_bailout ; In bailout? |
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325 bra calc_deko_divemode2a ; Never fallback in bailout |
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326 ; Check if we should fallback to SP1 |
| 192 | 327 btfsc use_O2_sensor1 |
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328 bra calc_deko_divemode2a ; At least one sensor is active, no fallback |
| 192 | 329 btfsc use_O2_sensor2 |
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330 bra calc_deko_divemode2a ; At least one sensor is active, no fallback |
| 192 | 331 btfsc use_O2_sensor3 |
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332 bra calc_deko_divemode2a ; At least one sensor is active, no fallback |
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333 ; No sensor in use -> fallback |
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334 movff char_I_setpoint_cbar+0,char_I_const_ppO2 ; Setup fixed Setpoint (Always fallback to SP1), overwrite sensor result |
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335 bsf setpoint_fallback ; =1: Fallback to SP1 due to external O2 sensor failure |
| 0 | 336 |
| 337 calc_deko_divemode2a: | |
| 338 SAFE_2BYTE_COPY amb_pressure,int_I_pres_respiration ; C-code needs the ambient pressure | |
| 339 clrf WREG | |
| 340 movff WREG,char_I_step_is_1min ; Force 2 second deco mode | |
| 341 | |
| 342 clrf TMR5L | |
| 343 clrf TMR5H ; 30,51757813µs/bit in TMR5L:TMR5H | |
| 344 call deco_calc_hauptroutine ; calc_tissue | |
| 345 movlb .1 | |
| 346 | |
| 347 movff char_O_deco_status,WREG ; Is a compute cycle finished ? | |
| 348 iorwf WREG,F | |
| 349 btfss STATUS,Z | |
| 350 return ; Return is status <> 0 | |
| 351 | |
| 352 ; Check if deco stops are necessary ? | |
| 353 movff char_O_first_deco_depth,wait_temp ; copy ceiling to temp register | |
| 354 tstfsz wait_temp ; Ceiling<0m? | |
| 355 bra calc_deko_divemode3 ; Yes! | |
| 356 | |
| 357 btfsc decostop_active ; Already in nodeco mode ? | |
| 358 call TFT_display_ndl_mask ; No, Clear deco data, display nostop time | |
| 359 bcf decostop_active ; clear flag (again) | |
| 360 | |
| 361 ; Copy for profile recording | |
| 362 clrf decodata+0 | |
| 363 movff char_O_nullzeit,decodata+1 ; NDL | |
| 364 | |
| 365 call TFT_display_ndl ; display no deco limit | |
| 366 return | |
| 367 | |
| 368 calc_deko_divemode3: | |
| 369 btfss decostop_active ; Already in deco mode ? | |
| 370 call TFT_display_deko_mask ; No, clear nostop time, display decodata | |
| 371 bsf decostop_active ; Set flag (again) | |
| 372 | |
| 373 ; Copy for profile recording | |
| 374 movff char_O_first_deco_depth,decodata+0 ; ceiling | |
| 375 movff char_O_first_deco_time,decodata+1 ; length of first stop in minues | |
| 376 call TFT_display_deko ; display decodata | |
| 377 call TFT_show_TTS_divemode ; display TTS | |
| 378 | |
| 379 movff char_I_extra_time,WREG | |
| 380 tstfsz WREG ; extra time = 0? | |
| 381 bra calc_deko_divemode4 ; No, compute it | |
| 382 return | |
| 383 | |
| 384 calc_deko_divemode4: | |
| 385 ; Check if extra cycles are needed to compute @5 variant: | |
| 386 decfsz apnoe_mins,F ; Reached count-down ? | |
| 387 return ; No: don't compute yet. | |
| 388 | |
| 389 movlw .6 | |
| 390 movff WREG,char_O_deco_status ; Stole next cycles for @5 variant. | |
| 391 | |
| 392 movlw .2 ; Restart countdown. | |
| 393 movwf apnoe_mins | |
| 394 return ; done. | |
| 395 | |
| 396 ;----------------------------------------------------------------------------- | |
| 397 | |
| 398 divemodemode_togglegf: ; Toggle aGF/GF | |
| 399 bcf toggle_gf ; clear flag | |
| 400 btg use_agf ; Toggle GF | |
| 401 call TFT_gf_mask ; Setup Mask | |
| 402 clrf WREG | |
| 403 movff WREG,char_O_deco_status ; Restart decoplan computation | |
| 404 return | |
| 405 | |
| 193 | 406 global divemode_setup_sensor_values |
| 0 | 407 divemode_setup_sensor_values: |
| 408 ; sum up sensor values (in xA:2) and active sensors in (xB:2) | |
| 409 clrf xB+0 | |
| 410 clrf xB+1 | |
| 411 clrf xA+0 | |
| 412 clrf xA+1 | |
| 192 | 413 btfss use_O2_sensor1 ; Sensor1 active? |
| 414 bra divemode_setup_sensor_values2 ; No | |
| 415 btfss voting_logic_sensor1 ; Sensor within voting logic? | |
| 0 | 416 bra divemode_setup_sensor_values2 ; No |
| 417 movf o2_ppo2_sensor1,W | |
| 418 addwf xA+0 | |
| 419 movlw .0 | |
| 420 addwfc xA+1 ; Add into xA:2 | |
| 421 incf xB+0,F ; Add a sensor | |
| 422 divemode_setup_sensor_values2: | |
| 192 | 423 btfss use_O2_sensor2 ; Sensor2 active? |
| 424 bra divemode_setup_sensor_values3 ; No | |
| 425 btfss voting_logic_sensor2 ; Sensor within voting logic? | |
| 0 | 426 bra divemode_setup_sensor_values3 ; No |
| 427 movf o2_ppo2_sensor2,W | |
| 428 addwf xA+0 | |
| 429 movlw .0 | |
| 430 addwfc xA+1 ; Add into xA:2 | |
| 431 incf xB+0,F ; Add a sensor | |
| 432 divemode_setup_sensor_values3: | |
| 192 | 433 btfss use_O2_sensor3 ; Sensor3 active? |
| 434 bra divemode_setup_sensor_values4 ; No | |
| 435 btfss voting_logic_sensor3 ; Sensor within voting logic? | |
| 0 | 436 bra divemode_setup_sensor_values4 ; No |
| 437 movf o2_ppo2_sensor3,W | |
| 438 addwf xA+0 | |
| 439 movlw .0 | |
| 440 addwfc xA+1 ; Add into xA:2 | |
| 441 incf xB+0,F ; Add a sensor | |
| 442 divemode_setup_sensor_values4: | |
| 443 call div16x16 ; xA/xB=xC with xA+0 as remainder | |
| 444 movff xC+0,sensor_setpoint ; Copy result | |
| 445 return | |
| 446 | |
| 447 calc_velocity: ; called every two seconds | |
| 448 btfss divemode | |
| 449 bra do_not_display_velocity ; display velocity only in divemode (Not at the surface after dive) | |
| 450 | |
| 451 calc_velocity2: | |
| 452 SAFE_2BYTE_COPY amb_pressure, sub_a | |
| 453 movff last_pressure_velocity+0,sub_b+0 | |
| 454 movff last_pressure_velocity+1,sub_b+1 | |
| 455 movff sub_a+0,last_pressure_velocity+0 ; store old value for velocity | |
| 456 movff sub_a+1,last_pressure_velocity+1 | |
| 457 | |
| 458 call subU16 ; sub_c = amb_pressure - last_pressure | |
| 459 | |
| 460 movff sub_c+0,xA+0 | |
| 461 movff sub_c+1,xA+1 | |
| 462 movlw d'39' ; 77 when called every second.... | |
| 463 movwf xB+0 | |
| 464 clrf xB+1 | |
| 465 call mult16x16 ; differential pressure in mbar*77... | |
| 466 movff xC+0,divA+0 | |
| 467 movff xC+1,divA+1 | |
| 468 movlw d'7' | |
| 469 movwf divB+0 | |
| 470 call div16 ; devided by 2^7 equals velocity in m/min | |
| 471 | |
| 472 movlw d'99' | |
| 473 cpfsgt divA+0 ; limit to 99m/min | |
| 474 bra calc_velocity3 | |
| 475 movwf divA+0 ; divA=99 | |
| 476 | |
| 477 calc_velocity3: | |
| 478 movlw velocity_warning_level_1 ; lowest threshold for display vertical velocity | |
| 479 subwf divA+0,W ; | |
| 480 btfss STATUS,C | |
| 481 bra do_not_display_velocity | |
| 482 | |
| 483 bsf display_velocity | |
| 484 call TFT_display_velocity ; With divA+0 = m/min... | |
| 485 return | |
| 486 | |
| 487 do_not_display_velocity: | |
| 488 btfss display_velocity ; Velocity was not displayed, do not delete | |
| 489 return | |
| 490 bcf display_velocity ; Velocity was displayed, delete velocity now | |
| 491 call TFT_display_velocity_clear | |
| 492 return | |
| 493 | |
| 494 ;============================================================================= | |
| 495 | |
|
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496 set_reset_safety_stop: ; Set flags for safety stop and/or reset safety stop |
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497 TSTOSS opt_enable_safetystop ; =1: A safety stop is shown |
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498 bra delete_safety_stop ; No, don't show safety stop |
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499 |
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500 btfsc decostop_active ; Is a deco stop displayed? |
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501 bra delete_safety_stop ; Yes, don't show safety stop |
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502 ; Below "safety_stop_reset"? Set flag and reset count-down timer |
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503 SAFE_2BYTE_COPY rel_pressure, lo |
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504 call adjust_depth_with_salinity ; computes salinity setting into lo:hi [mbar] |
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505 movff lo,sub_a+0 |
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506 movff hi,sub_a+1 |
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507 movlw LOW safety_stop_reset |
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508 movwf sub_b+0 |
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509 movlw HIGH safety_stop_reset |
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510 movwf sub_b+1 |
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511 call subU16 ; sub_c = sub_a - sub_b |
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512 btfss neg_flag |
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513 bra reset_safety_stop ; Below 10m, reset safety stop |
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514 |
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515 ; Above "safety_stop_end"? Clear flag. |
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516 SAFE_2BYTE_COPY rel_pressure, lo |
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517 call adjust_depth_with_salinity ; computes salinity setting into lo:hi [mbar] |
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518 movff lo,sub_a+0 |
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519 movff hi,sub_a+1 |
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520 movlw LOW safety_stop_end |
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521 movwf sub_b+0 |
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522 movlw HIGH safety_stop_end |
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523 movwf sub_b+1 |
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524 call subU16 ; sub_c = sub_a - sub_b |
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525 btfsc neg_flag |
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526 bra delete_safety_stop ; Above 3m, remove safety stop |
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527 |
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528 ; Above "safety_stop_start"? Activate safety stop |
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529 SAFE_2BYTE_COPY rel_pressure, lo |
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530 call adjust_depth_with_salinity ; computes salinity setting into lo:hi [mbar] |
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531 movff lo,sub_a+0 |
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532 movff hi,sub_a+1 |
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533 movlw LOW safety_stop_start |
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534 movwf sub_b+0 |
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535 movlw HIGH safety_stop_start |
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536 movwf sub_b+1 |
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537 call subU16 ; sub_c = sub_a - sub_b |
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538 btfsc neg_flag |
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539 bra acivate_safety_stop ; Above 5m, activate safety stop |
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540 bra reset_safety_stop2 ; Pause safety stop |
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541 |
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542 acivate_safety_stop: |
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543 tstfsz safety_stop_countdown ; Countdown at zero? |
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544 bsf show_safety_stop ; No, Set flag! |
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545 return |
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546 |
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547 delete_safety_stop: |
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548 clrf safety_stop_countdown ; reset timer |
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549 bra reset_safety_stop2 ; Remove safety stop from display |
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550 |
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551 reset_safety_stop: |
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552 movlw safety_stop_length ;[s] |
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553 movwf safety_stop_countdown ; reset timer |
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554 reset_safety_stop2: |
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555 bcf show_safety_stop ; Clear flag |
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556 btfss safety_stop_active ; Safety stop shown |
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557 return ; No, don't delete it |
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558 bcf safety_stop_active ; Clear flag |
| 131 | 559 call TFT_clear_safety_stop ; Clear safety stop |
|
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560 return |
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561 |
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562 ;============================================================================= |
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563 |
| 0 | 564 timeout_menuview: |
| 565 decfsz timeout_counter3,F ; timeout for menuview | |
| 566 return ; No timeout, return | |
| 567 ; Timeout, clear e.g. "Menu?" | |
| 568 goto menuview_toggle_reset ; "returns" | |
| 569 | |
| 570 timeout_divemode_menu: | |
| 571 decfsz timeout_counter3,F ; timeout for divemode menu | |
| 572 return | |
| 573 | |
| 574 global timeout_divemode_menu2 | |
| 575 timeout_divemode_menu2: ; Called from divemenu_tree.asm | |
| 576 bcf divemode_menu ; Timeout! Clear flag | |
| 577 call TFT_clear_divemode_menu ; Clear menu | |
| 578 call TFT_active_gas_divemode ; Redraw gas/setpoint/diluent | |
| 579 bcf blinking_better_gas ; Clear flag to have temperature updated once | |
| 580 call TFT_temp_divemode ; Displays temperature | |
| 581 | |
| 582 btfss decostop_active ; In deco mode ? | |
| 583 bra timeout_divemode_menu_ndl ; No, show NDL again | |
| 584 ; Show deco | |
| 585 call TFT_display_deko_mask ; clear nostop time, display decodata | |
| 586 call TFT_display_deko | |
| 587 call TFT_show_TTS_divemode | |
| 588 return | |
| 589 timeout_divemode_menu_ndl: ; Show NDL | |
| 590 call TFT_display_ndl_mask ; Clear deco data, display nostop time | |
| 591 call TFT_display_ndl | |
| 592 return | |
| 593 | |
| 594 timeout_divemode: | |
| 595 btfsc divemode_menu ; Divemode menu active? | |
| 596 rcall timeout_divemode_menu ; Yes, check the timeout for it... | |
| 597 | |
| 598 btfsc menuview ; is a menuview shown? | |
| 599 rcall timeout_menuview ; Yes, check the timeout for it... | |
| 600 | |
| 601 btfss realdive ; Dive longer then one minute | |
| 602 return | |
| 603 | |
| 604 btfsc FLAG_apnoe_mode ; In Apnoe mode? | |
|
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605 bra timeout_divemode2 ; Yes, use apnoe_timeout [min] for timeout |
| 0 | 606 |
| 607 ifndef __DEBUG | |
| 608 btfsc simulatormode_active ; In Simulator mode? | |
| 609 bra timeout_divemode3 ; Yes, use simulator timeout | |
| 610 endif | |
| 611 | |
| 612 bcf divemode | |
| 148 | 613 infsnz timeout_counter,F |
| 614 incf timeout_counter2,F ; timeout is 15bits | |
| 0 | 615 |
| 616 movlw LOW divemode_timeout | |
| 617 movwf sub_a+0 | |
| 618 movlw HIGH divemode_timeout | |
| 619 movwf sub_a+1 | |
| 620 | |
| 621 movff timeout_counter, sub_b+0 | |
| 622 movff timeout_counter2, sub_b+1 | |
| 623 call subU16 ; sub_c = sub_a - sub_b | |
| 624 btfss neg_flag ; Result negative? | |
| 625 bsf divemode ; No, set flag | |
| 626 return | |
| 627 | |
| 628 timeout_divemode2: | |
| 629 incf timeout_counter,F ; seconds... | |
| 630 movlw d'60' | |
| 631 cpfseq timeout_counter ; timeout_counter=60? | |
| 632 return ; No. | |
| 633 ; One minute timeout done. | |
| 634 clrf timeout_counter | |
| 635 bcf divemode | |
| 636 incf apnoe_timeout_counter,F | |
| 637 movlw apnoe_timeout ; apnoe timeout [min] | |
| 638 cpfseq apnoe_timeout_counter | |
| 639 bsf divemode | |
| 640 return | |
| 641 | |
| 642 timeout_divemode3: | |
| 643 bcf divemode | |
| 644 incf timeout_counter,F | |
| 645 movlw simulator_timeout ; simulator timeout | |
| 646 cpfsgt timeout_counter | |
| 647 bsf divemode | |
| 648 return | |
| 649 | |
| 650 update_temp_and_or_depth: ; New sensor data arrived... | |
| 651 btfsc temp_changed | |
| 652 call TFT_temp_divemode ; Displays temperature | |
| 653 | |
| 654 btfsc pressure_refresh | |
| 655 call TFT_depth ; Displays new depth | |
| 656 | |
| 657 rcall set_max_depth ; update max. depth if required | |
| 658 bcf pressure_refresh ; until new pressure is available | |
| 659 return | |
| 660 | |
| 661 update_divemode60: ; update any minute | |
| 662 call get_battery_voltage ; gets battery voltage | |
| 218 | 663 rcall set_powersafe ; Battery low? |
| 0 | 664 call TFT_max_pressure ; Update max. depth |
| 665 call customview_minute ; Do every-minute tasks for the custom view area | |
| 666 bcf oneminupdate | |
| 667 | |
| 668 btfss simulatormode_active ; in simulator mode? | |
| 669 return ; No | |
| 670 ; Yes, quite dive mode simulation after 21*256s=89min:36s | |
| 671 movlw .20 | |
| 672 cpfsgt total_divetime_seconds+1 ; Timeout? | |
| 673 return ; No | |
| 674 ifdef __DEBUG | |
| 675 return ; No simulator timeout in debug mode | |
| 676 endif | |
| 677 bra divemode_option1 ; Yes, set to 0m and "return" | |
| 678 | |
| 679 set_max_depth: | |
| 680 movff max_pressure+0,sub_a+0 | |
| 681 movff max_pressure+1,sub_a+1 | |
| 682 SAFE_2BYTE_COPY rel_pressure, sub_b | |
| 683 call subU16 ; sub_c = sub_a - sub_b | |
| 684 ; max_pressure<rel_pressure -> neg_flag=1 | |
| 685 ; rel_pressure<=max_pressure -> neg_flag=0 | |
| 686 btfss neg_flag | |
| 687 return | |
| 688 ; max_pressure<rel_pressure | |
| 689 movff sub_b+0,max_pressure+0 | |
| 690 movff sub_b+1,max_pressure+1 | |
| 691 call TFT_max_pressure ; No, use normal max. depth | |
| 692 return | |
| 693 | |
| 694 set_min_temp: | |
| 695 movff minimum_temperature+0,sub_a+0 | |
| 696 movff minimum_temperature+1,sub_a+1 | |
| 697 SAFE_2BYTE_COPY temperature,sub_b | |
| 698 call sub16 ; sub_c = sub_a - sub_b | |
| 699 ; minimum_temperature<T -> neg_flag=1 | |
| 700 ; T<=minimum_temperature -> neg_flag=0 | |
| 701 btfsc neg_flag | |
| 702 return | |
| 703 ; minimum_temperature>=T | |
| 704 movff sub_b+0,minimum_temperature+0 | |
| 705 movff sub_b+1,minimum_temperature+1 | |
| 706 return | |
| 707 | |
| 708 global set_dive_modes | |
| 709 set_dive_modes: | |
| 710 btfsc high_altitude_mode ; In high altitude (Fly) mode? | |
| 711 bra set_dive_modes3 ; Yes! | |
| 712 | |
| 713 set_dive_modes0: | |
| 714 movlw LOW start_dive_threshold | |
| 715 movwf sub_a+0 ; dive_treshold is in cm | |
| 716 movlw HIGH start_dive_threshold | |
| 717 movwf sub_a+1 ; dive_treshold is in cm | |
| 718 | |
| 719 set_dive_modes1: | |
| 720 SAFE_2BYTE_COPY rel_pressure, sub_b | |
| 721 call subU16 ; sub_c = sub_a - sub_b | |
| 722 | |
| 723 btfss neg_flag | |
| 724 bra set_dive_modes2 ; too shallow (rel_pressure<dive_threshold) | |
| 725 | |
| 726 btfsc realdive ; Dive longer than one minute? | |
| 727 clrf timeout_counter ; Yes, reset timout counter | |
| 728 | |
| 729 bsf divemode ; (Re-)Set divemode flag | |
| 730 bsf divemode2 ; displayed divetime is running | |
| 731 return | |
| 732 | |
| 733 set_dive_modes2: | |
| 734 bcf divemode2 ; Stop time | |
| 735 btfss realdive ; dive longer then one minute? | |
| 736 bcf divemode ; no -> this was no real dive | |
| 737 return ; No, return | |
| 738 | |
| 739 | |
| 740 set_dive_modes3: ; High-altitude mode | |
| 741 btfsc realdive ; dive longer then one minute? | |
| 742 bra set_dive_modes0 ; Yes -> this is a real dive -> Use start_dive_threshold or ascend | |
| 743 | |
| 744 movlw HIGH high_altitude_dive_threshold | |
| 745 movwf sub_a+1 | |
| 746 movlw LOW high_altitude_dive_threshold | |
| 747 movwf sub_a+0 | |
| 748 bra set_dive_modes1 | |
| 749 | |
| 750 set_powersafe: | |
| 751 movlw color_code_battery_low+1; [%] | |
| 752 cpfslt batt_percent | |
| 753 return | |
| 754 | |
| 755 movlw d'7' ; Type of Alarm (Battery Low) | |
| 756 movwf AlarmType ; Copy to Alarm Register | |
| 757 bsf event_occured ; Set Event Flag | |
| 758 movlw .0 | |
| 759 movff WREG,opt_brightness ; Set Brightness to ECO | |
| 760 return ; return | |
| 761 | |
| 762 calc_average_depth: | |
| 176 | 763 btfsc reset_average_depth ; Reset the Average depth? |
| 0 | 764 rcall reset_average1 ; Reset the resettable average depth |
| 765 | |
| 766 ; 1. Add new 2xdepth to the Sum of depths registers | |
| 767 SAFE_2BYTE_COPY rel_pressure, xB ; Buffer... | |
| 768 bcf STATUS,C | |
| 769 rlcf xB+0,F | |
| 770 rlcf xB+1,F ; x2 | |
| 771 | |
| 772 movf xB+0,w | |
| 773 addwf average_depth_hold+0,F | |
| 774 movf xB+1,w | |
| 775 addwfc average_depth_hold+1,F | |
| 776 movlw d'0' | |
| 777 addwfc average_depth_hold+2,F | |
| 778 addwfc average_depth_hold+3,F ; Will work up to 9999mbar*60*60*24=863913600mbar | |
| 779 | |
| 780 ; Do the same for the _total registers (Non-Resettable) | |
| 781 movf xB+0,w | |
| 782 addwf average_depth_hold_total+0,F | |
| 783 movf xB+1,w | |
| 784 addwfc average_depth_hold_total+1,F | |
| 785 movlw d'0' | |
| 786 addwfc average_depth_hold_total+2,F | |
| 787 addwfc average_depth_hold_total+3,F ; Will work up to 9999mbar*60*60*24=863913600mbar | |
| 788 | |
| 789 ; 2. Compute Average Depth on base of average_divesecs:2 | |
| 790 movff average_divesecs+0,xB+0 | |
| 791 movff average_divesecs+1,xB+1 ; Copy | |
| 792 movff average_depth_hold+0,xC+0 | |
| 793 movff average_depth_hold+1,xC+1 | |
| 794 movff average_depth_hold+2,xC+2 | |
| 795 movff average_depth_hold+3,xC+3 | |
| 796 | |
| 797 call div32x16 ; xC:4 / xB:2 = xC+3:xC+2 with xC+1:xC+0 as remainder | |
| 798 movff xC+0,avr_rel_pressure+0 | |
| 799 movff xC+1,avr_rel_pressure+1 | |
| 800 | |
|
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801 btfss divemode2 ; displayed divetime is running? |
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802 return ; No (e.g. too shallow) |
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|
803 |
| 0 | 804 ; 3. Compute Total Average Depth on base of total_divetime_seconds:2 |
| 805 movff total_divetime_seconds+0,xB+0 | |
| 806 movff total_divetime_seconds+1,xB+1 ; Copy | |
| 807 movff average_depth_hold_total+0,xC+0 | |
| 808 movff average_depth_hold_total+1,xC+1 | |
| 809 movff average_depth_hold_total+2,xC+2 | |
| 810 movff average_depth_hold_total+3,xC+3 | |
| 811 call div32x16 ; xC:4 / xB:2 = xC+3:xC+2 with xC+1:xC+0 as remainder | |
| 812 movff xC+0,avr_rel_pressure_total+0 | |
| 813 movff xC+1,avr_rel_pressure_total+1 | |
| 814 return | |
| 815 | |
| 816 reset_average1: | |
| 817 clrf average_depth_hold+0 | |
| 818 clrf average_depth_hold+1 | |
| 819 clrf average_depth_hold+2 | |
| 820 clrf average_depth_hold+3 ; Clear average depth register | |
| 821 movlw d'2' | |
| 822 movwf average_divesecs+0 | |
| 823 clrf average_divesecs+1 | |
| 824 bcf reset_average_depth ; Clear flag | |
| 825 return | |
| 826 | |
| 827 test_switches_divemode: ; checks switches in divemode | |
| 828 btfsc divemode_menu ; Divemode menu shown? | |
| 829 bra test_switches_divemode_menu ; Yes, use menu processor | |
| 830 btfsc switch_left | |
| 831 bra test_switches_divemode2 ; Enter button pressed, check if we need to do something | |
| 832 btfss switch_right | |
| 833 return ; No button press | |
| 834 tstfsz menupos2 ; any option shown? | |
| 835 bra test_switches_divemode1 ; Yes, do option tasks | |
| 836 bsf toggle_customview ; No, toggle custom view | |
| 837 return | |
| 838 | |
| 839 test_switches_divemode_menu: | |
| 840 btfsc switch_left | |
| 841 bra test_switches_divemode_menu2 ; Move cursor | |
| 842 btfsc switch_right | |
| 843 bra test_switches_divemode_menu3 ; Enter submenu or do something | |
| 844 return ; No button press | |
| 845 | |
| 846 test_switches_divemode_menu1: | |
| 847 clrf menupos | |
| 848 test_switches_divemode_menu2: | |
| 849 incf menupos,F | |
| 850 incf menupos4,W ; menupos4+1 -> WREG | |
| 851 cpfslt menupos ; >menupos4 (Set in menu_processor.asm)? | |
| 852 bra test_switches_divemode_menu1; > Yes, set to 1 | |
| 853 call TFT_divemode_menu_cursor ; Update the cursor | |
| 854 bcf switch_left | |
| 855 movlw divemode_menu_timeout ; Reload timeout | |
| 856 movwf timeout_counter3 ; timeout for divemode menu | |
| 857 return | |
| 858 | |
| 859 test_switches_divemode_menu3: ; Enter submenu or do something | |
| 860 bcf switch_right | |
| 861 ; decf menupos,F ; menu_processor needs 0-5... | |
| 862 extern do_line_menu | |
| 863 goto do_line_menu ; Warning! Trashes STKPTR and returns to diveloop_loop4: | |
| 864 | |
| 865 test_switches_divemode1: | |
| 866 bcf switch_right | |
| 867 movlw divemode_menuview_timeout | |
| 868 movwf timeout_counter3 ; Reload timeout | |
|
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869 movff menupos2,WREG ; menupos2 holds number of customview/divemode menu function |
| 0 | 870 dcfsnz WREG,F |
| 137 | 871 bra divemode_option_gaschange ; Switch to the indicated "better gas" |
| 872 dcfsnz WREG,F | |
| 0 | 873 bra divemode_option0 ; Start/Setup Divemode menu |
| 874 dcfsnz WREG,F | |
| 875 bra divemode_option1 ; Quit Simulation? | |
| 876 dcfsnz WREG,F | |
| 877 bra divemode_option2 ; Descent 1m | |
| 878 dcfsnz WREG,F | |
| 879 bra divemode_option3 ; Ascend 1m | |
| 880 dcfsnz WREG,F | |
| 881 bra divemode_option4 ; Quit Apnoe mode | |
| 882 dcfsnz WREG,F | |
| 883 bra divemode_option5 ; Reset Stopwatch (In Gauge mode) | |
|
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884 dcfsnz WREG,F |
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885 bra divemode_option6 ; +5mins simulation |
|
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886 dcfsnz WREG,F |
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887 bra divemode_option7 ; Store heading |
| 0 | 888 return |
| 889 | |
| 890 test_switches_divemode2: | |
| 891 call menuview_toggle ; Menu or Simulator tasks | |
| 892 return | |
| 893 | |
| 894 gas_switched_common: | |
|
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895 bcf divemode_gaschange ; Clear flag |
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|
896 |
|
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|
897 tstfsz menupos ; menupos=0? |
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898 bra $+4 ; No |
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899 return ; Yes, do not switch gas (There is no Gas #0 !) |
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|
900 |
| 0 | 901 decf menupos,W ; 1-5 -> 0-4 |
| 902 btfss FLAG_ccr_mode ; Choose OC Gases | |
| 903 rcall setup_gas_registers ; With WREG=Gas 0-4 | |
| 904 btfsc FLAG_ccr_mode ; Choose CC Diluents | |
| 905 rcall setup_dil_registers ; With WREG=Gas 0-4 | |
| 906 | |
| 907 decf menupos,W ; 1-5 -> 0-4 | |
| 908 btfsc is_bailout ; Choose OC Bailouts (OC Gases) | |
| 909 rcall setup_gas_registers ; With WREG=Gas 0-4 | |
| 910 | |
| 911 call TFT_active_gas_divemode ; Display gas/Setpoint | |
| 912 clrf WREG | |
| 913 movff WREG,char_O_deco_status ; Restart decoplan computation | |
| 98 | 914 |
| 915 ; Set flags for profile recording | |
| 916 bsf event_occured ; Set global event byte | |
| 917 btfsc is_bailout ; Choose OC Bailouts (OC Gases) | |
| 918 bsf bailoutgas_event ; Bailout gas change | |
| 919 btfss is_bailout ; Choose OC Bailouts (OC Gases) | |
| 920 bsf stored_gas_changed ; OC gas change | |
| 0 | 921 return |
| 922 | |
| 923 global setup_gas_registers | |
| 924 setup_gas_registers: ; With WREG=Gas 0-4 | |
| 925 lfsr FSR1,opt_gas_O2_ratio+0 | |
| 926 movff PLUSW1,char_I_O2_ratio ; O2 (For ppO2 calculations) | |
| 927 lfsr FSR1,opt_gas_He_ratio+0 | |
| 928 movff PLUSW1,char_I_He_ratio ; He | |
| 929 incf WREG,W ; Gas# 1-5 | |
| 930 movff WREG,char_I_current_gas ; Set gas | |
| 931 movff WREG,active_gas ; Set for logbook and display | |
| 932 banksel char_I_O2_ratio | |
| 933 movf char_I_O2_ratio,W ; Add O2... | |
| 934 addwf char_I_He_ratio,W ; ...and He... | |
| 935 sublw .100 ; ...subtract both from 100 | |
| 936 movwf char_I_N2_ratio ; -> N2! | |
| 937 banksel common | |
| 938 return | |
| 939 | |
| 940 global setup_dil_registers | |
| 941 setup_dil_registers: ; With WREG=dil 0-4 | |
|
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942 btfsc is_bailout |
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943 return ; Ignore in bailout |
| 0 | 944 lfsr FSR1,opt_dil_O2_ratio+0 |
| 945 movff PLUSW1,char_I_O2_ratio ; O2 (For ppO2 calculations) | |
| 946 lfsr FSR1,opt_dil_He_ratio+0 | |
| 947 movff PLUSW1,char_I_He_ratio ; He | |
| 948 incf WREG,W ; Gas# 1-5 | |
| 949 movff WREG,char_I_current_gas ; Set gas | |
| 950 movff WREG,active_gas ; Set for logbook and display | |
|
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951 movff WREG,active_diluent ; As a backup when switching back from Bailout to CCR |
| 0 | 952 banksel char_I_O2_ratio |
| 953 movf char_I_O2_ratio,W ; Add O2... | |
| 954 addwf char_I_He_ratio,W ; ...and He... | |
| 955 sublw .100 ; ...subtract both from 100 | |
| 956 movwf char_I_N2_ratio ; -> N2! | |
| 957 banksel common | |
| 958 return | |
| 959 | |
| 137 | 960 divemode_option_gaschange: ; Switch to the better gas |
| 961 movff better_gas_number,menupos; 1-5 | |
| 962 bsf divemode_gaschange ; Change the gas in the dive mode loop... | |
| 963 call menuview_toggle_reset ; Reset to zero (Zero=no menuview) | |
|
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964 bcf better_gas_available ; Clear flag immediately |
| 137 | 965 return |
| 966 | |
| 0 | 967 divemode_option0: ; Start/Setup Divemode menu |
| 968 call TFT_clear_divemode_menu ; Clear menu area | |
| 969 bcf menuview | |
| 970 extern do_main_divemenu | |
| 971 call do_main_divemenu | |
| 972 global divemode_option0_return | |
| 973 divemode_option0_return: | |
| 974 ; movlw .1 | |
| 975 ; movwf menupos ; Set to first option in divemode menu | |
| 976 call TFT_divemode_menu_cursor; Show the cursor | |
| 977 movlw divemode_menu_timeout | |
| 978 movwf timeout_counter3 ; timeout for divemode menu | |
| 979 bsf divemode_menu ; Set flag | |
| 980 clrf menupos2 ; Clear option counter | |
| 981 bra diveloop_loop4 ; Goto back to diveloop (Menuprocessor trashes STKPTR!) | |
| 982 | |
| 983 divemode_option4: | |
| 984 movlw d'58' ; two seconds left | |
| 985 movwf timeout_counter | |
| 986 movlw apnoe_timeout-1 ; apnoe timeout [min] | |
| 987 movwf apnoe_timeout_counter | |
| 988 btfss simulatormode_active ; in simulator mode? | |
| 989 return ; No | |
| 990 divemode_option1: ; Quit simulation mode | |
| 991 banksel isr_backup | |
| 992 movlw low .1000 | |
| 993 movwf sim_pressure+0 | |
| 994 movlw high .1000 | |
| 995 movwf sim_pressure+1 ; Set to 0m -> End of Dive | |
| 996 banksel common | |
| 997 call menuview_toggle_reset ; Reset to zero (Zero=no menuview) | |
| 998 | |
| 999 btfss FLAG_apnoe_mode ; In Apnoe mode? | |
| 1000 return ; No | |
| 1001 movlw d'58' ; two seconds left | |
| 1002 movwf timeout_counter | |
| 1003 movlw apnoe_timeout-1 ; apnoe timeout [min] | |
| 1004 movwf apnoe_timeout_counter | |
| 1005 return | |
| 1006 | |
| 1007 divemode_option3: ; minus 1m | |
| 1008 banksel isr_backup | |
| 1009 movlw d'100' | |
| 1010 subwf sim_pressure+0 | |
| 1011 movlw .0 | |
| 1012 subwfb sim_pressure+1 | |
| 1013 rcall divemode_simulator_check_limits | |
| 1014 banksel common | |
| 1015 return | |
| 1016 | |
| 1017 divemode_option2: ; plus 1m | |
| 1018 banksel isr_backup | |
| 1019 movlw d'100' | |
| 1020 addwf sim_pressure+0 | |
| 1021 movlw .0 | |
| 1022 addwfc sim_pressure+1 | |
| 1023 rcall divemode_simulator_check_limits | |
| 1024 banksel common | |
| 1025 return | |
| 1026 | |
| 1027 divemode_option5: | |
| 1028 call menuview_toggle_reset ; Reset to zero (Zero=no menuview) | |
| 1029 bsf reset_average_depth ; Set Flag | |
| 1030 return | |
| 1031 | |
|
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1032 divemode_option6: |
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1033 bcf divemode2 ; Stop divetime |
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1034 movlw .5 |
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1035 addwf divemins+0,F |
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1036 movlw .0 |
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1037 addwfc divemins+1,F ; Add 5 mins |
|
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1038 movlw .5 |
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1039 movwf up ; counter |
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1040 ; 1min mode |
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1041 divemode_option6_2: |
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1042 movlw .1 |
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1043 movff WREG,char_I_step_is_1min ; Force 1min mode |
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1044 clrf TMR5L |
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1045 clrf TMR5H ; 30,51757813µs/bit in TMR5L:TMR5H |
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1046 call deco_calc_hauptroutine ; calc_tissue |
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1047 movlb .1 |
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1048 decfsz up,F ; Done? |
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1049 bra divemode_option6_2 ; Not yet |
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1050 bsf divemode2 ; continue divetime |
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1051 call menuview_toggle_reset |
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1052 return |
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1053 |
|
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1054 divemode_option7: |
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1055 ; Store heading for compass view |
| 255 | 1056 movff compass_heading_shown+0,compass_bearing+0 |
| 1057 movff compass_heading_shown+1,compass_bearing+1 | |
| 1058 bsf compass_bearing_set ; set flag | |
|
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1059 call menuview_toggle_reset ; Done. |
|
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1060 return |
|
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1061 |
| 0 | 1062 divemode_simulator_check_limits: |
| 1063 ; Check limits (150m and 0m) | |
| 1064 movlw LOW d'16000' ; Compare to 16bar=16000mbar (150m). | |
| 1065 subwf sim_pressure+0,W | |
| 1066 movlw HIGH d'16000' | |
| 1067 subwfb sim_pressure+1,W | |
| 1068 bnc divemode_simulator_check_limits2 ; No-carry = borrow = not deeper | |
| 1069 | |
| 1070 ; Too deep, limit to 150m | |
| 1071 movlw LOW d'16000' | |
| 1072 movwf sim_pressure+0 | |
| 1073 movlw HIGH d'16000' | |
| 1074 movwf sim_pressure+1 | |
| 1075 return | |
| 1076 divemode_simulator_check_limits2: | |
| 1077 movlw LOW d'1000' ; Compare to 1bar == 0m == 1000 mbar. | |
| 1078 subwf sim_pressure+0,W | |
| 1079 movlw HIGH d'1000' | |
| 1080 subwfb sim_pressure+1,W | |
| 1081 btfsc STATUS,C ; No-carry = borrow = not deeper. | |
| 1082 return ; Deeper than 0m == Ok. | |
| 1083 ; Too shallow, limit to 0m | |
| 1084 movlw LOW d'1000' | |
| 1085 movwf sim_pressure+0 | |
| 1086 movlw HIGH d'1000' | |
| 1087 movwf sim_pressure+1 | |
| 1088 return | |
| 1089 | |
| 1090 ;============================================================================= | |
| 1091 ; Compare all enabled gas in list, to see if a better one is available. | |
| 1092 ; | |
| 1093 ; Output: better_gas_available, better_gas_number | |
| 1094 ; | |
| 1095 check_gas_change: ; Checks if a better gas should be selected (by user) | |
| 1096 bcf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode | |
| 1097 clrf better_gas_number ; Clear better gas register | |
| 1098 | |
| 1099 SAFE_2BYTE_COPY rel_pressure,xA | |
| 1100 movlw d'100' | |
| 1101 movwf xB+0 | |
| 1102 clrf xB+1 | |
| 1103 call div16x16 ; compute depth in full m -> result in xC+0 | |
| 1104 | |
| 1105 btfss FLAG_ccr_mode ; In CCR mode... | |
| 1106 bra check_gas_change_OC_bail; No, check for OC or bailout | |
| 1107 btfsc is_bailout ; Bailout? | |
| 1108 bra check_gas_change_OC_bail; Yes, check for OC or bailout | |
| 1109 | |
| 1110 ; Check Diluents | |
|
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1111 bsf ccr_diluent_setup ; in CCR menus |
| 0 | 1112 movlw .0 |
| 1113 rcall check_dil_common ; With Gas 0-4 in WREG | |
| 1114 movlw .1 | |
| 1115 rcall check_dil_common ; With Gas 0-4 in WREG | |
| 1116 movlw .2 | |
| 1117 rcall check_dil_common ; With Gas 0-4 in WREG | |
| 1118 movlw .3 | |
| 1119 rcall check_dil_common ; With Gas 0-4 in WREG | |
| 1120 movlw .4 | |
| 1121 rcall check_dil_common ; With Gas 0-4 in WREG | |
| 1122 bra check_gas_change_exit | |
| 1123 | |
| 1124 check_gas_change_OC_bail: | |
|
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1125 bcf ccr_diluent_setup ; in OC menus |
| 0 | 1126 movlw .0 |
| 1127 rcall check_gas_common ; With Gas 0-4 in WREG | |
| 1128 movlw .1 | |
| 1129 rcall check_gas_common ; With Gas 0-4 in WREG | |
| 1130 movlw .2 | |
| 1131 rcall check_gas_common ; With Gas 0-4 in WREG | |
| 1132 movlw .3 | |
| 1133 rcall check_gas_common ; With Gas 0-4 in WREG | |
| 1134 movlw .4 | |
| 1135 rcall check_gas_common ; With Gas 0-4 in WREG | |
| 1136 ; bra check_gas_change_exit | |
| 1137 check_gas_change_exit: | |
| 1138 btfss better_gas_available ; Is a better gas available | |
| 1139 bcf blinking_better_gas ; No, Clear blinking flag | |
| 1140 btfss better_gas_available ; Is a better gas available | |
| 1141 clrf better_gas_number ; No, Clear better_gas_number (For gaslist display) | |
| 1142 call TFT_active_gas_divemode ; Display gas/Setpoint | |
| 1143 return | |
| 1144 | |
| 1145 check_gas_common: ; With Gas 0-4 in WREG | |
| 1146 btfsc better_gas_available ; Better Gas already found? | |
| 1147 return ; Yes, return | |
| 1148 lfsr FSR1,opt_gas_type ; 0=Disabled, 1=First, 2=Travel, 3=Deco | |
| 1149 btfss PLUSW1,0 ; Test for Bit0 and 1 -> type=3 -> Deco | |
| 1150 return ; No | |
| 1151 btfss PLUSW1,1 ; Test for Bit0 and 1 -> type=3 -> Deco | |
| 1152 return ; No | |
| 1153 incf WREG,W ; 1-5 | |
| 1154 cpfseq active_gas ; is this gas currently selected? | |
| 1155 bra check_gas_common2 ; No | |
| 1156 return ; Yes, skip test for active gas | |
| 1157 check_gas_common2: | |
| 1158 decf WREG,W ; 0-4 | |
| 1159 movwf hi ; Save tested gas 0-4 | |
|
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1160 lfsr FSR1,opt_OC_bail_gas_change |
| 0 | 1161 movff PLUSW1,lo ; Change depth into lo |
| 1162 movlw minimum_change_depth | |
| 1163 cpfsgt lo ; Change depth>minimum_change_depth? | |
| 1164 return ; No, Change depth not deep enough, skip! | |
| 1165 movf xC+0,W ; load depth in m into WREG | |
| 1166 cpfsgt lo ; gas_change_depth < current depth? | |
| 69 | 1167 bra check_gas_common3 ; No, check if we are within the better_gas_window_pos window |
| 1168 incf hi,W ; 1-5 | |
| 1169 movwf better_gas_number ; number (1-5) of the "better gas" in divemode, =0: no better gas available | |
| 1170 movlw better_gas_window_neg | |
| 1171 subwf lo,W ; Change depth-better_gas_window_neg | |
| 1172 cpfslt xC+0 ; current depth<Change depth-better_gas_window_neg? | |
| 1173 bsf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode | |
| 1174 return | |
| 1175 | |
| 1176 check_gas_common3: | |
| 0 | 1177 incf hi,W ; 1-5 |
| 1178 movwf better_gas_number ; number (1-5) of the "better gas" in divemode, =0: no better gas available | |
| 69 | 1179 movlw better_gas_window_pos |
| 1180 addwf lo,W ; Change depth+better_gas_window_pos | |
| 1181 cpfsgt xC+0 ; current depth>Change depth+better_gas_window_pos? | |
| 1182 bra check_gas_common4 ; Ok, now check the better gas ppO2<opt_ppO2_max | |
| 1183 return | |
| 1184 | |
| 1185 check_gas_common4: | |
| 1186 movf hi,W ; 0-4 | |
| 1187 lfsr FSR1,char_I_deco_N2_ratio | |
| 1188 movff PLUSW1,lo ; N2 ratio into lo | |
| 1189 lfsr FSR1,char_I_deco_He_ratio | |
| 1190 movff PLUSW1,xB+0 ; He ratio into xB+0 | |
| 1191 movf xB+0,W | |
| 1192 addwf lo,F | |
| 1193 movlw .101 | |
| 1194 bcf STATUS,C | |
| 1195 subfwb lo,F ; O2 ratio in lo | |
| 1196 | |
| 1197 SAFE_2BYTE_COPY amb_pressure, xA | |
| 1198 movlw d'10' | |
| 1199 movwf xB+0 | |
| 1200 clrf xB+1 | |
| 1201 call div16x16 ; xC=p_amb/10 | |
| 1202 movff xC+0,xA+0 | |
| 1203 movff xC+1,xA+1 | |
| 1204 movff lo,xB+0 ; =O2 ratio | |
| 1205 clrf xB+1 | |
| 1206 call mult16x16 ; lo * p_amb/10 | |
| 1207 | |
| 1208 ; Check very high ppO2 manually | |
| 1209 tstfsz xC+2 ; char_I_O2_ratio * p_amb/10 > 65536, ppO2>6,55bar? | |
| 1210 return ; Done. | |
| 1211 ; Check if ppO2>3,30bar | |
| 1212 btfsc xC+1,7 | |
| 1213 return ; Done. | |
| 1214 | |
| 1215 ; ; Check for low ppo2 | |
| 1216 ; movff xC+0,sub_b+0 | |
| 1217 ; movff xC+1,sub_b+1 | |
| 1218 ; movff opt_ppO2_min,WREG | |
| 1219 ; mullw d'100' ; opt_ppO2_min*100 | |
| 1220 ; movff PRODL,sub_a+0 | |
| 1221 ; movff PRODH,sub_a+1 | |
| 1222 ; call subU16 | |
| 1223 ; btfss neg_flag | |
| 1224 ; return ; Done (Too low). | |
| 1225 | |
| 1226 ;check if we are within our warning thresholds! | |
| 1227 movff xC+0,sub_b+0 | |
| 1228 movff xC+1,sub_b+1 | |
| 1229 movff opt_ppO2_max,WREG ; PPO2 Max for MOD calculation and color coding in divemode | |
| 1230 addlw .1 ; e.g. >1.60 | |
| 1231 mullw d'100' ; opt_ppO2_max*100 | |
| 1232 movff PRODL,sub_a+0 | |
| 1233 movff PRODH,sub_a+1 | |
| 1234 call subU16 | |
| 1235 btfss neg_flag | |
| 0 | 1236 bsf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode |
| 69 | 1237 return ; Done. |
| 0 | 1238 |
| 1239 check_dil_common: ; With Dil 0-4 in WREG | |
| 1240 btfsc better_gas_available ; Better Diluent already found? | |
| 1241 return ; Yes, return | |
| 1242 lfsr FSR1,opt_dil_type ; 0=Disabled, 1=First, 2=Normal | |
| 1243 tstfsz PLUSW1 ; =0? | |
| 1244 bra check_dil_common1 ; No | |
| 1245 return ; Yes, skip inactive diluents for test | |
| 1246 check_dil_common1: | |
| 1247 incf WREG,W ; 1-5 | |
| 1248 cpfseq active_gas ; is this diluent currently selected? | |
| 1249 bra check_dil_common2 ; No | |
| 1250 return ; Yes, skip test for active diluent | |
| 1251 check_dil_common2: | |
| 1252 decf WREG,W ; 0-4 | |
| 1253 movwf hi ; Save tested diluent 0-4 | |
| 1254 lfsr FSR1,char_I_dil_change | |
| 1255 movff PLUSW1,lo ; Change depth into lo | |
| 1256 movlw minimum_change_depth | |
| 1257 cpfsgt lo ; Change depth>minimum_change_depth? | |
| 1258 return ; No, Change depth not deep enough, skip! | |
| 1259 movf xC+0,W ; load depth in m into WREG | |
| 1260 cpfsgt lo ; gas_change_depth < current depth? | |
| 1261 return ; No, check next gas | |
| 1262 incf hi,W ; 1-5 | |
| 1263 movwf better_gas_number ; number (1-5) of the "better gas" in divemode, =0: no better gas available | |
| 69 | 1264 movlw better_gas_window_neg |
| 1265 subwf lo,W ; Change depth-better_gas_window_neg | |
| 1266 cpfslt xC+0 ; current depth<Change depth-better_gas_window_neg? | |
| 0 | 1267 bsf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode |
| 1268 return | |
| 1269 | |
| 1270 ;============================================================================= | |
| 1271 ; Setup everything to enter divemode. | |
| 1272 ; | |
| 1273 | |
| 1274 dive_boot_oc: | |
| 1275 extern get_first_gas_to_WREG | |
| 1276 call get_first_gas_to_WREG ; Gets first gas (0-4) into WREG | |
| 1277 movff WREG,char_I_first_gas ; Copy for compatibility | |
| 1278 rcall setup_gas_registers ; With WREG=Gas 0-4 | |
| 197 | 1279 banksel char_I_first_gas |
| 1280 incf char_I_first_gas,F ; 0-4 -> 1-5 | |
| 1281 banksel common | |
| 0 | 1282 return |
| 1283 | |
| 1284 dive_boot_cc: | |
| 192 | 1285 call compute_ppo2 ; compute mv_sensorX and ppo2_sensorX arrays |
| 1286 bsf voting_logic_sensor1 | |
| 1287 bsf voting_logic_sensor2 | |
| 1288 bsf voting_logic_sensor3 | |
| 0 | 1289 rcall divemode_setup_sensor_values ; setup sensor values |
| 192 | 1290 |
| 0 | 1291 TSTOSS opt_ccr_mode ; =0: Fixed SP, =1: Sensor |
| 1292 movff char_I_setpoint_cbar+0,char_I_const_ppO2 ; Setup fixed Setpoint (Always start with SP1) | |
| 1293 extern get_first_dil_to_WREG | |
| 1294 call get_first_dil_to_WREG ; Gets first gas (0-4) into WREG | |
| 1295 movff WREG,char_I_first_gas ; Copy for compatibility | |
| 1296 rcall setup_dil_registers ; With WREG=Gas 0-4 | |
| 197 | 1297 banksel char_I_first_gas |
| 1298 incf char_I_first_gas,F ; 0-4 -> 1-5 | |
| 1299 banksel common | |
| 0 | 1300 return |
| 1301 | |
| 1302 diveloop_boot: | |
| 1303 call restart_set_modes_and_flags | |
| 1304 | |
| 1305 call I2C_sleep_accelerometer ; Stop accelerometer | |
| 1306 call I2C_sleep_compass ; Stop compass | |
| 1307 | |
| 1308 clrf WREG | |
| 1309 movff WREG,max_pressure+0 ; clear some variables | |
| 1310 movff WREG,max_pressure+1 | |
| 255 | 1311 movff WREG,compass_bearing+0 |
| 1312 movff WREG,compass_bearing+1 | |
| 1313 | |
| 1314 bcf compass_bearing_set | |
| 0 | 1315 |
| 1316 bcf use_agf ; Start with normal GF set | |
| 1317 bcf divemode_menu ; clear divemode menu flag | |
| 1318 movlw d'1' | |
| 1319 movwf apnoe_max_pressure+0 | |
| 1320 clrf apnoe_max_pressure+1 | |
| 1321 clrf apnoe_surface_mins | |
| 1322 clrf apnoe_surface_secs | |
| 1323 clrf apnoe_mins | |
| 1324 clrf divemins+0 | |
| 1325 clrf divemins+1 | |
| 1326 bcf no_more_divesecs ; =1: Do no longer show seconds in divemode | |
| 1327 bcf divemode_menu_active | |
| 1328 clrf menupos | |
| 1329 clrf menupos2 ; Reset to zero (Zero=no premenu or simulator task) | |
| 1330 | |
| 1331 bcf is_bailout ; =1: Bailout | |
| 1332 btfss FLAG_ccr_mode | |
| 1333 rcall dive_boot_oc | |
| 1334 btfsc FLAG_ccr_mode | |
| 1335 rcall dive_boot_cc | |
| 1336 | |
| 1337 bcf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode | |
| 1338 clrf better_gas_number ; Clear better gas register | |
| 1339 | |
|
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1340 bcf show_safety_stop ;=1: Show the safety stop |
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1341 clrf safety_stop_countdown ; Clear count-down |
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1342 |
| 0 | 1343 clrf samplesecs |
| 1344 clrf apnoe_timeout_counter ; timeout in minutes | |
| 1345 clrf timeout_counter ; takes care of the timeout (Low byte) | |
| 1346 clrf timeout_counter2 ; takes care of the timeout (High byte) | |
| 1347 clrf AlarmType ; Clear all alarms | |
| 1348 bcf event_occured ; clear flag | |
| 1349 clrf total_divetime_seconds+1 | |
| 1350 clrf average_depth_hold_total+0 | |
| 1351 clrf average_depth_hold_total+1 | |
| 1352 clrf average_depth_hold_total+2 | |
| 1353 clrf average_depth_hold_total+3 ; Clear Non-Resettable Average | |
| 1354 rcall reset_average1 ; Reset the resettable average depth | |
| 1355 bcf decostop_active | |
| 1356 bcf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode | |
| 204 | 1357 call ghostwriter_short_header ; Write short header with divenumber into profile memory |
| 0 | 1358 |
| 1359 btfsc simulatormode_active | |
| 1360 bra diveloop_boot_1 | |
| 1361 ; Normal mode = Surface pressure is the pressure 30mn before dive. | |
| 1362 SAFE_2BYTE_COPY last_surfpressure_30min, int_I_pres_surface ;copy surfacepressure to deco routine | |
| 1363 SAFE_2BYTE_COPY last_surfpressure_30min, last_surfpressure ;copy surfacepressure to last_surfpressure for correct depth | |
| 1364 bra diveloop_boot_2 | |
| 1365 | |
| 1366 diveloop_boot_1: | |
| 1367 ; Simulator mode: Surface pressure is 1bar. | |
| 1368 movlw LOW .1000 | |
| 1369 movff WREG,int_I_pres_surface+0 ; LOW copy surfacepressure to deco routine | |
| 1370 movlw HIGH .1000 | |
| 1371 movff WREG,int_I_pres_surface+1 ; HIGH copy surfacepressure to deco routine | |
| 1372 | |
| 1373 diveloop_boot_2: | |
| 1374 SAFE_2BYTE_COPY temperature,minimum_temperature ; Reset Min-Temp registers | |
| 1375 | |
| 1376 ; Init profile recording parameters | |
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1377 movff samplingrate,samplesecs_value ; to avoid EEPROM access in the ISR |
| 0 | 1378 movlw div_temperature |
| 1379 movwf divisor_temperature ; load divisors for profile storage | |
| 1380 movlw div_deco | |
| 1381 movwf divisor_deco | |
| 1382 movlw div_gf | |
| 1383 movwf divisor_gf | |
| 1384 movlw div_ppo2_sensors | |
| 1385 movwf divisor_ppo2_sensors | |
| 1386 movlw div_decoplan | |
| 1387 movwf divisor_decoplan | |
| 1388 movlw div_cns | |
| 1389 movwf divisor_cns | |
| 1390 movlw div_tank | |
| 1391 movwf divisor_tank | |
| 1392 | |
| 1393 btfss FLAG_apnoe_mode ; In Apnoe mode? | |
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1394 bra divemode_boot1 |
| 0 | 1395 ; Overwrite some parameters in Apnoe mode.... |
| 1396 movlw samplingrate_apnoe | |
| 1397 movwf samplesecs_value ; to avoid EEPROM access in the ISR | |
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1398 divemode_boot1: |
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1399 btfsc FLAG_ccr_mode ; =1: CCR mode (Fixed ppO2 or Sensor) active |
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1400 bra divemode_boot2 |
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1401 ; in OC Mode, disable ppO2 logging |
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1402 movlw .0 |
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1403 movwf divisor_ppo2_sensors |
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1404 divemode_boot2: |
| 0 | 1405 |
| 1406 bcf LEDg | |
| 1407 bcf LEDr | |
| 1408 bcf realdive | |
| 1409 btfss simulatormode_active ; do not disable in simulator mode! | |
| 1410 call disable_rs232 ; Disable RS232 | |
| 1411 btfsc enable_screen_dumps ; =1: Ignore vin_usb, wait for "l" command (Screen dump) | |
| 1412 call enable_rs232 ; Also sets to speed_normal ... | |
|
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1413 ; Reset divetime seconds |
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1414 movlw .2 ; Start at 2seconds |
| 0 | 1415 movwf total_divetime_seconds+0 |
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1416 movwf divesecs |
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1417 movwf apnoe_secs |
| 0 | 1418 bsf divemode2 ; displayed divetime is running (Divetime starts HERE) |
| 1419 | |
| 1420 movff int_O_CNS_fraction+0,CNS_start+0 | |
| 1421 movff int_O_CNS_fraction+1,CNS_start+1 ; Save CNS value at beginning of dive | |
| 1422 movff char_O_relative_gradient_GF,GF_start ; Save GF value at beginning of dive | |
| 1423 return ; Done with divemode boot | |
| 1424 | |
| 1425 divemode_check_for_warnings: | |
| 131 | 1426 movlw .2 |
| 1427 cpfsgt warning_counter ; only two warnings active? | |
| 1428 bra divemode_check_for_warnings1 ; Yes, update every second | |
| 1429 | |
| 1430 btfss secs,0 ; Every two seconds... | |
| 1431 return | |
| 1432 btfss secs,1 ; Every four seconds... | |
| 0 | 1433 return |
| 1434 | |
| 131 | 1435 divemode_check_for_warnings1: |
| 0 | 1436 movf warning_counter_backup,W |
| 1437 cpfseq warning_counter ; warning_counter_backup = warning_counter? | |
| 1438 call TFT_clear_warning_text ; No, clear all warnings | |
| 1439 movff warning_counter,warning_counter_backup ; copy warning_counter | |
| 1440 | |
| 1441 bcf warning_active ; Clear flag | |
| 1442 clrf warning_counter ; Clear counter | |
| 1443 | |
| 1444 ; Warnings for all modes | |
| 1445 call check_warn_battery ; Check if the battery level should be displayed/warned | |
| 55 | 1446 call check_divetimeout ; Not actually a warning. Check and show the divemode timeout |
| 0 | 1447 |
| 1448 btfsc FLAG_apnoe_mode ; Done for Apnoe or Gauge mode | |
| 1449 bra divemode_check_for_warnings2 | |
| 1450 btfsc FLAG_gauge_mode ; Done for Apnoe or Gauge mode | |
| 1451 bra divemode_check_for_warnings2 | |
| 1452 | |
| 1453 ; Warnings only in deco modes | |
| 1454 btfss FLAG_ccr_mode ; Don't check in CCR mode | |
| 1455 rcall check_ppO2 ; check ppO2 and displays warning, if required | |
| 1456 btfsc is_bailout ; But check in Bailout case... | |
| 1457 rcall check_ppO2 ; check ppO2 and displays warning, if required | |
| 1458 rcall check_cns_violation ; Check CNS value and display it, if required | |
| 1459 btfsc decostop_active ; In deco mode? | |
| 1460 rcall check_and_store_gf_violation ; Yes, Sets warnings, if required | |
| 1461 btfsc decostop_active ; In deco mode? | |
| 1462 call TFT_ftts ; Show @+x time | |
| 1463 btfsc use_agf ; In aGF mode? | |
| 1464 rcall warn_agf ; Yes, show a warning for it | |
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1465 btfsc setpoint_fallback ; =1: Fallback to SP1 due to external O2 sensor failure |
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1466 rcall warn_fallback ; Show the warning |
| 0 | 1467 |
| 1468 divemode_check_for_warnings2: | |
| 1469 ; Display the warning icon? | |
| 1470 btfsc warning_active ; Any warning active? | |
| 1471 call TFT_divemode_warning ; Yes | |
| 1472 btfss warning_active ; Any warning active? | |
| 1473 call TFT_divemode_warning_clear ; No, clear warning icon | |
| 1474 | |
| 1475 ; Setup warning_page number | |
| 1476 incf warning_page,F | |
| 1477 bcf STATUS,C | |
| 1478 rlcf warning_page,W ; *2 | |
| 1479 cpfsgt warning_counter ; > warning_counter | |
| 1480 clrf warning_page ; No, clear | |
| 1481 | |
| 1482 ; Clear 2nd row of warnings if there is nothing to show (on this page) | |
| 1483 btfss second_row_warning ; =1: The second row contains a warning | |
| 1484 call TFT_clear_warning_text_2nd_row ; No, clear this row | |
| 1485 return ; Done. | |
| 1486 | |
| 1487 global check_warn_battery | |
| 1488 check_warn_battery: | |
| 1489 movff batt_percent,lo | |
| 1490 movlw battery_show_level+1 | |
| 1491 cpfslt lo | |
| 1492 return ; No Display, no warning | |
| 1493 ; Display Battery, but warn? | |
| 1494 incf warning_counter,F ; increase counter | |
| 1495 call TFT_update_batt_percent_divemode ; Show percent | |
| 1496 | |
| 86 | 1497 movff batt_percent,lo |
| 0 | 1498 movlw color_code_battery_low+1 |
| 1499 cpfslt lo ; | |
| 1500 return ; No warning | |
| 1501 bsf warning_active ; Set Warning flag | |
| 1502 return | |
| 1503 | |
| 55 | 1504 check_divetimeout: |
| 1505 btfsc divemode2 | |
| 1506 return ; displayed divetime is not running | |
| 1507 incf warning_counter,F ; increase counter | |
| 1508 call TFT_divetimeout ; Show timeout counter | |
| 1509 return | |
| 1510 | |
| 1511 | |
| 0 | 1512 check_ppO2: ; check current ppO2 and display warning if required |
| 1513 SAFE_2BYTE_COPY amb_pressure, xA | |
| 1514 movlw d'10' | |
| 1515 movwf xB+0 | |
| 1516 clrf xB+1 | |
| 1517 call div16x16 ; xC=p_amb/10 | |
| 1518 | |
| 1519 movff xC+0,xA+0 | |
| 1520 movff xC+1,xA+1 | |
| 1521 movff char_I_O2_ratio,xB+0 ; =O2 ratio | |
| 1522 clrf xB+1 | |
| 1523 call mult16x16 ; char_I_O2_ratio * p_amb/10 | |
| 1524 | |
| 1525 ; Check very high ppO2 manually | |
| 1526 tstfsz xC+2 ; char_I_O2_ratio * p_amb/10 > 65536, ppO2>6,55bar? | |
| 1527 bra check_ppO2_1 ; Yes, display Value! | |
| 1528 ; Check if ppO2>3,30bar | |
| 1529 btfsc xC+1,7 | |
| 1530 bra check_ppO2_1 ; Yes! | |
| 1531 | |
| 1532 ; Check for low ppo2 | |
| 1533 movff xC+0,sub_b+0 | |
| 1534 movff xC+1,sub_b+1 | |
| 1535 movff opt_ppO2_min,WREG | |
| 1536 mullw d'100' ; opt_ppO2_min*100 | |
| 1537 movff PRODL,sub_a+0 | |
| 1538 movff PRODH,sub_a+1 | |
| 1539 call subU16 | |
| 1540 btfsc neg_flag | |
| 1541 bra check_ppO2_0 ; Not too low | |
| 1542 ; ppO2 low | |
| 1543 incf warning_counter,F ; increase counter | |
| 1544 call TFT_display_ppo2 ; Show ppO2 | |
| 1545 movlw d'4' ; Type of Alarm (ppO2 low) | |
| 1546 movwf AlarmType ; Copy to Alarm Register | |
| 1547 bsf event_occured ; Set Event Flag | |
| 1548 bsf warning_active ; Set Warning flag | |
| 1549 return ; Done. | |
| 1550 | |
| 1551 check_ppO2_0: | |
| 1552 ; Check if ppO2 should be displayed | |
| 1553 movlw ppo2_display_high | |
| 1554 mullw d'100' ; ppo2_display_high*100 | |
| 1555 movff PRODL,sub_a+0 | |
| 1556 movff PRODH,sub_a+1 | |
| 1557 call subU16 | |
| 1558 btfss neg_flag | |
| 1559 return ; No Display, no warning | |
| 1560 ; Display ppO2, but warn? | |
| 1561 incf warning_counter,F ; increase counter | |
| 1562 call TFT_display_ppo2 ; Show ppO2 | |
| 1563 | |
| 1564 ;check if we are within our warning thresholds! | |
| 1565 movff xC+0,sub_b+0 | |
| 1566 movff xC+1,sub_b+1 | |
| 1567 movff opt_ppO2_max,WREG ; PPO2 Max for MOD calculation and color coding in divemode | |
| 69 | 1568 addlw .1 ; e.g. >1.60 |
| 0 | 1569 mullw d'100' ; opt_ppO2_max*100 |
| 1570 movff PRODL,sub_a+0 | |
| 1571 movff PRODH,sub_a+1 | |
| 1572 call subU16 | |
| 1573 btfss neg_flag | |
| 1574 return ; Done. Not too high | |
| 1575 movlw d'5' ; Type of Alarm (ppO2 high) | |
| 1576 movwf AlarmType ; Copy to Alarm Register | |
| 1577 bsf event_occured ; Set Event Flag | |
| 1578 bsf warning_active ; Set Warning flag | |
| 1579 return ; Done. | |
| 1580 | |
| 1581 check_ppO2_1: ; ppO2 very high | |
| 1582 incf warning_counter,F ; increase counter | |
| 1583 call TFT_display_ppo2 ; Show ppO2 | |
| 1584 movlw d'5' ; Type of Alarm | |
| 1585 movwf AlarmType ; Copy to Alarm Register | |
| 1586 bsf event_occured ; Set Event Flag | |
| 1587 bsf warning_active ; Set Warning flag | |
| 1588 return ; Done. | |
| 1589 | |
| 1590 global check_cns_violation | |
| 1591 check_cns_violation: | |
| 1592 ; Check if CNS should be displayed | |
| 1593 movff int_O_CNS_fraction+1,lo ; copy into bank1 | |
| 1594 tstfsz lo ; >255% ? | |
| 1595 bra check_cns_violation2 ; Yes | |
| 1596 movff int_O_CNS_fraction+0,lo ; copy into bank1 | |
| 1597 | |
| 1598 movlw cns_warning_high ; cns_warning_high | |
| 1599 subwf lo,W | |
| 1600 btfsc STATUS,C | |
| 1601 bsf warning_active ; Set Warning flag | |
| 1602 | |
| 1603 movlw cns_display_high ; cns_display_high | |
| 1604 subwf lo,W | |
| 1605 btfss STATUS,C | |
| 1606 return ; No Display, no warning | |
| 1607 ; Display CNS | |
| 1608 incf warning_counter,F ; increase counter | |
| 1609 call TFT_display_cns ; Show CNS | |
| 1610 return | |
| 1611 | |
| 1612 check_cns_violation2: | |
| 1613 incf warning_counter,F ; increase counter | |
| 1614 call TFT_display_cns ; Show CNS | |
| 1615 bsf warning_active ; Set Warning flag | |
| 1616 return | |
| 1617 | |
| 1618 global check_and_store_gf_violation | |
| 1619 check_and_store_gf_violation: | |
| 1620 movff char_O_gradient_factor,lo ; gradient factor absolute (Non-GF model) | |
| 1621 movff char_I_deco_model,hi | |
| 1622 decfsz hi,F ; jump over next line if char_I_deco_model == 1 | |
| 1623 movff char_O_relative_gradient_GF,lo ; gradient factor relative (GF model) | |
| 1624 | |
| 1625 movlw gf_warning_high | |
| 1626 cpfsgt lo | |
| 1627 bra check_and_store_gf_violation2 ; No warning | |
| 1628 movlw d'2' ; Type of Alarm | |
| 1629 movwf AlarmType ; Copy to Alarm Register | |
| 1630 bsf event_occured ; Set Event Flag | |
| 1631 bsf warning_active ; Set Warning flag | |
| 1632 check_and_store_gf_violation2: | |
| 1633 movlw gf_display_high | |
| 1634 cpfsgt lo | |
| 1635 return ; No Display, no warning | |
| 1636 ; Display GF | |
| 1637 incf warning_counter,F ; increase counter | |
| 1638 call TFT_warning_gf ; Show GF Warning | |
| 1639 return | |
| 1640 | |
| 1641 warn_agf: | |
| 1642 incf warning_counter,F ; increase counter | |
| 1643 call TFT_warning_agf ; Show aGF warning | |
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1644 return |
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1645 |
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1646 warn_fallback: |
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1647 incf warning_counter,F ; increase counter |
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1648 call TFT_warning_fallback ; Show fallback warning |
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1649 bsf warning_active ; Set Warning flag |
| 0 | 1650 return |
| 1651 | |
| 1652 | |
| 1653 END |