Mercurial > public > hwos_code
annotate src/start.asm @ 623:c40025d8e750
3.03 beta released
| author | heinrichsweikamp |
|---|---|
| date | Mon, 03 Jun 2019 14:01:48 +0200 |
| parents | b87f23fae743 |
| children | cd58f7fc86db |
| rev | line source |
|---|---|
| 0 | 1 ;============================================================================= |
| 2 ; | |
| 623 | 3 ; File start.asm combined next generation V3.03.2 |
| 0 | 4 ; |
| 5 ; Startup subroutines | |
| 6 ; | |
| 7 ; Copyright (c) 2011, JD Gascuel, HeinrichsWeikamp, all right reserved. | |
| 8 ;============================================================================= | |
| 9 ; HISTORY | |
| 10 ; 2011-08-06 : [mH] moving from OSTC code | |
| 11 | |
| 604 | 12 #include "hwos.inc" ; mandatory header |
| 582 | 13 #include "ms5541.inc" |
| 604 | 14 #include "shared_definitions.h" ; mailbox from/to p2_deco.c |
| 582 | 15 #include "eeprom_rs232.inc" |
| 16 #include "math.inc" | |
| 17 #include "tft.inc" | |
| 18 #include "surfmode.inc" | |
| 19 #include "wait.inc" | |
| 20 #include "rtc.inc" | |
| 21 #include "external_flash.inc" | |
| 22 #include "strings.inc" | |
| 23 #include "tft_outputs.inc" | |
| 24 #include "adc_lightsensor.inc" | |
| 25 #include "i2c.inc" | |
| 623 | 26 #include "divemode.inc" |
| 27 #include "rx_ops.inc" | |
| 28 | |
| 0 | 29 |
| 582 | 30 extern init_ostc |
| 31 extern option_restore_all | |
| 623 | 32 extern backup_flash_page |
| 582 | 33 extern restore_decodata_from_eeprom |
| 34 extern oPressureAdjust | |
| 35 extern option_reset | |
| 36 extern option_save | |
| 37 extern option_save_all | |
| 38 extern option_check_all | |
| 39 extern do_new_battery_select | |
| 623 | 40 extern get_battery_data |
| 582 | 41 extern use_old_prior_209 |
| 604 | 42 extern get_first_gas_to_WREG |
| 623 | 43 |
| 44 IFDEF _ccr_pscr | |
| 604 | 45 extern option_cleanup_oCCRMode_pSCR |
| 46 extern option_cleanup_oCCRMode_CCR | |
| 623 | 47 extern get_first_dil_to_WREG |
| 48 ENDIF | |
| 604 | 49 |
| 50 IFDEF _rx_functions | |
| 51 extern option_cleanup_oTrMode_CCR | |
| 52 extern option_cleanup_oTrMode_no_CCR | |
| 623 | 53 extern rx_firmware_new_major |
| 54 extern rx_firmware_new_minor | |
| 604 | 55 ENDIF |
| 56 | |
| 623 | 57 ;----------------------------------------------------------------------------- |
| 58 | |
| 0 | 59 |
| 60 ;============================================================================= | |
| 604 | 61 ; Reset Vector: entry point on device wake-up and hard reset |
| 0 | 62 ; |
| 623 | 63 reset_v CODE 0x00000 |
| 64 goto 0x1FF00 ; jump to bootloader | |
| 0 | 65 |
| 623 | 66 start_v CODE 0x00004 ; jump to application (cold-)start |
| 0 | 67 goto start |
| 582 | 68 |
| 0 | 69 ;============================================================================= |
| 582 | 70 |
| 623 | 71 boot CODE |
| 604 | 72 |
| 73 ;============================================================================= | |
| 623 | 74 ; Entry point after cold start |
| 75 ; | |
| 582 | 76 global start |
| 0 | 77 start: |
| 623 | 78 ; clear RAM banks 0-14 |
| 79 lfsr FSR0,0x000 ; load start address into FSR0 | |
| 80 movlw 0x0F ; load end address into WREG (actually its high byte) | |
| 81 start_clear_rambank: | |
| 82 clrf POSTINC0 ; clear memory location and increment FSR0 | |
| 83 cpfseq FSR0H ; has FSR0 reached begin of bank 15, i.e. banks 0-14 done? | |
| 84 bra start_clear_rambank ; NO - loop | |
| 0 | 85 |
| 623 | 86 ; initialize hardware (ports, timers, interrupts, etc.) |
| 87 call init_ostc ; also selects bank common and sets CPU to normal speed | |
| 88 | |
| 89 ; flag that later restart origins from a cold start | |
| 90 bsf cold_start | |
| 0 | 91 |
| 623 | 92 ; initialize averaging for analog buttons |
| 93 movlw .16 ; set averaging span | |
| 94 movff WREG,analog_counter ; write to counter | |
| 95 | |
| 96 ; get button type from bootloader info | |
| 582 | 97 bsf analog_switches |
| 98 movlw 0x7C | |
| 99 movwf TBLPTRL | |
| 100 movlw 0xF7 | |
| 101 movwf TBLPTRH | |
| 102 movlw 0x01 | |
| 103 movwf TBLPTRU | |
| 623 | 104 TBLRD*+ ; read configuration byte |
| 105 movlw 0x07 ; coding for analog buttons | |
| 106 cpfseq TABLAT ; equal? | |
| 107 bcf analog_switches ; NO - no analog buttons | |
| 475 | 108 |
| 623 | 109 ; get screen type (2) from bootloader info |
| 110 bsf screen_type2 | |
| 614 | 111 movlw 0x80 |
| 623 | 112 movwf TBLPTRL ; only low byte adjustment needed, high and upper are still at 0x01F7xx |
| 113 TBLRD*+ ; read configuration byte | |
| 114 movlw 0x83 ; coding for screen type 2 | |
| 115 cpfseq TABLAT ; equal? | |
| 116 bcf screen_type2 ; NO - not screen type 2 | |
| 608 | 117 |
| 623 | 118 ; get button polarity from configuration data (EEPROM) |
| 582 | 119 movlw LOW .897 |
| 475 | 120 movwf EEADR |
| 582 | 121 movlw HIGH .897 |
| 475 | 122 movwf EEADRH |
| 604 | 123 call read_eeprom ; EEDATA into EEPROM @ EEADR |
| 124 clrf EEADRH ; reset EEADRH | |
| 125 movff EEDATA,button_polarity ; 0xFF (both normal), 0x00 (both inverted), 0x01 (left inverted only), 0x02 (right inverted only) | |
| 475 | 126 |
| 623 | 127 ; initialize pressure sensor calibration |
| 582 | 128 call get_calibration_data ; get calibration data from pressure sensor |
| 129 call TFT_DisplayOff ; turn off display | |
| 623 | 130 |
| 131 ; wait for calibration data to take effect | |
| 132 bsf LEDr ; turn on red LED | |
| 582 | 133 |
| 623 | 134 ; first pass, will not have valid temperature yet |
| 135 bcf trigger_pres_update ; make sure ISR pressure update confirmation is not older than from now on | |
| 136 btfss trigger_pres_update ; has the ISR confirmed a pressure update? | |
| 137 bra $-2 ; NO - not yet, loop waiting for the ISR to kick in | |
| 0 | 138 |
| 623 | 139 ; second pass - complete sensor initialization |
| 140 bcf trigger_pres_update ; make sure ISR pressure update confirmation is not older than from now on | |
| 141 btfss trigger_pres_update ; has the ISR confirmed a pressure update? | |
| 142 bra $-2 ; NO - not yet, loop waiting for the ISR to kick in | |
| 0 | 143 |
| 623 | 144 ; sensor calibration completed, first valid pressure value is available |
| 145 bcf LEDr ; turn off red LED again | |
| 0 | 146 |
| 623 | 147 ; load surface pressure into ISR |
| 148 ; initially needs to be done twice in order to shift the current absolute pressure through the | |
| 149 ; 15 minutes sampling buffer into the reference buffer from where it is loaded by the ISR | |
| 150 rcall sample_surface_pressure ; 1st pass | |
| 151 rcall sample_surface_pressure ; 2nd pass | |
| 152 btfsc update_surface_pressure ; has the ISR confirmed loading of the surface pressure? | |
| 153 bra $-2 ; NO - not yet, loop until ISR has confirmed loading | |
| 560 | 154 |
| 623 | 155 ; reset all tissue pressures to surface pressure equilibrium state by default |
| 156 call deco_clear_tissue ; (C-code) | |
| 157 banksel common | |
| 0 | 158 |
| 623 | 159 ; restore tissue pressures from EEPROM (if available) |
| 582 | 160 movlw HIGH .512 ; =2 |
| 623 | 161 movwf EEADRH ; set EEPROM address, high byte |
| 582 | 162 read_int_eeprom .0 |
| 163 clrf EEADRH | |
| 623 | 164 movlw 0xAA ; coding for tissue pressures available |
| 165 cpfseq EEDATA ; tissue pressures available? | |
| 166 bra start_1 ; NO - no tissue pressures available | |
| 167 call restore_decodata_from_eeprom ; YES - reload tissue pressures from EEPROM | |
|
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168 |
| 623 | 169 start_1: |
| 170 bsf reset_surface_interval ; request ISR to reset the surface interval timer | |
| 582 | 171 |
| 623 | 172 ; call rtc_init ; initialize the real time clock (will reset to firmware creation date) |
| 0 | 173 |
| 623 | 174 ; check for power-on reset |
| 604 | 175 btfsc RCON,POR ; was this a power-on reset? |
| 623 | 176 call use_old_prior_209 ; NO - migrate the last battery status from firmware 2.09 or earlier |
|
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177 |
| 623 | 178 bcf use_old_batt_flag ; default to no reload of last battery data |
| 604 | 179 btfsc RCON,POR ; was this a power-on reset? |
| 623 | 180 bsf use_old_batt_flag ; NO - reload last battery data |
| 181 | |
| 604 | 182 call lt2942_get_status ; check for gauge IC |
| 582 | 183 btfss battery_gauge_available ; cR or 2 hardware? |
| 623 | 184 bra start_check_new_firmware ; NO - skip next |
| 185 movlw .30 ; YES - load default button sensitivity | |
| 186 movff WREG,opt_cR_button_right ; - set default for left button | |
| 187 movff WREG,opt_cR_button_left ; - set default for right button | |
| 188 call piezo_config ; - configure buttons, 1st pass | |
| 189 call piezo_config ; - configure buttons, 2nd pass | |
| 604 | 190 |
| 623 | 191 start_check_new_firmware: |
| 192 call TFT_boot ; initialize TFT (includes clear screen & backlight switch-off) | |
| 604 | 193 |
| 623 | 194 ; show heinrichsweikamp logo |
| 604 | 195 WIN_TOP .40 |
| 196 WIN_LEFT .10 | |
| 623 | 197 TFT_WRITE_PROM_IMAGE_BY_ADDR hw_logo_block |
| 604 | 198 |
| 623 | 199 ; check if a new firmware was loaded, if yes reset option oPressureAdjust |
| 200 movlw d'1' ; set EEPROM address to 0x101 | |
| 201 movwf EEADR ; = 0x001 | |
| 202 movwf EEADRH ; = 0x101 | |
| 203 call read_eeprom ; read current version, major | |
| 204 movff EEDATA,lo ; store major in lo | |
| 205 incf EEADR,F ; set EEPROM address to 0x102 | |
| 206 call read_eeprom ; read current version, minor | |
| 207 movff EEDATA,hi ; store minor in hi | |
| 604 | 208 clrf EEADRH ; reset EEADRH |
| 0 | 209 |
| 623 | 210 movlw softwareversion_x ; get current major version |
| 211 cpfseq lo ; compare with stored version, equal? | |
| 212 bra start_check_new_firmware_new ; NO - reset some options and store new version in EEPROM | |
| 0 | 213 |
| 623 | 214 movlw softwareversion_y ; get current minor version |
| 215 cpfseq hi ; compare with stored version, equal? | |
| 216 bra start_check_new_firmware_new ; NO - reset some options and store new version in EEPROM | |
| 217 bra start_check_new_firmware_old ; YES - both equal, do not reset options | |
| 582 | 218 |
| 623 | 219 start_check_new_firmware_new: |
| 220 ; new firmware version detected | |
| 221 call show_fw_mesg_update ; show firmware update message | |
| 222 | |
| 582 | 223 ; place "after-update reset" here... |
| 623 | 224 lfsr FSR0,oPressureAdjust ; memory address of option data |
| 604 | 225 call option_reset ; reset oPressureAdjust to factory default |
| 623 | 226 lfsr FSR0,oPressureAdjust ; memory address of option data |
| 227 call option_save ; save reseted value of oPressureAdjust in EEPROM | |
|
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228 |
| 623 | 229 ; store current version in EEPROM |
| 230 movlw d'1' ; set EEPROM address to 0x101 | |
| 231 movwf EEADR ; = 0x001 | |
| 232 movwf EEADRH ; = 0x101 | |
| 233 movlw softwareversion_x ; get version, major number | |
| 234 movwf EEDATA ; prepare write | |
| 235 call write_eeprom ; execute write | |
| 236 incf EEADR,F ; set EEPROM address to 0x102 | |
| 237 movlw softwareversion_y ; get version, minor number | |
| 238 movwf EEDATA ; prepare write | |
| 239 call write_eeprom ; execute write | |
| 604 | 240 clrf EEADRH ; reset EEADRH |
| 623 | 241 bra start_check_new_firmware_common ; |
| 0 | 242 |
| 623 | 243 start_check_new_firmware_old: |
| 244 call show_fw_mesg_kept ; show firmware is kept message | |
| 245 | |
| 246 start_check_new_firmware_common: | |
| 247 call TFT_Display_FadeIn ; display resulting screen | |
| 248 call backup_flash_page ; back-up the first 128 bytes from program flash memory to EEPROM | |
| 249 | |
| 250 ; pause 5 seconds | |
| 251 movlw .5 ; load loop counter | |
| 252 start_check_new_firmware_wait: | |
| 253 call wait_1s ; wait <= 1 second | |
| 254 decfsz WREG,W ; decrement loop counter, did it became zero? | |
| 255 bra start_check_new_firmware_wait ; NO - loop | |
| 256 ;bra restart ; YES - proceed with restart | |
| 604 | 257 |
| 0 | 258 |
| 623 | 259 ;============================================================================= |
| 260 ; Entry point after warm start | |
| 261 ; | |
| 262 ; called on leaving sleep mode, surface menu, communication mode, and | |
| 263 ; when a start of a dive is detected in all modes except surface mode. | |
| 264 ; | |
| 582 | 265 global restart |
| 0 | 266 restart: |
| 623 | 267 banksel common ; for safety purpose only |
| 268 clrf STKPTR ; clear return addresses stack | |
| 582 | 269 clrf CCP1CON ; stop PWM |
| 604 | 270 bcf PORTC,2 ; pull PWM out to GND |
|
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271 |
| 623 | 272 call request_speed_normal ; request CPU speed change to normal speed (for safety only) |
| 273 | |
| 274 ; manage the option settings | |
| 275 btfsc surfmode_menu ; was restart entered by return from surface menu or comm mode? | |
| 604 | 276 call option_save_all ; YES - save all settings into EEPROM |
|
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277 |
| 623 | 278 btfss surfmode_menu ; was restart entered by return from surface menu or comm mode? |
| 279 call option_restore_all ; NO - load all settings from EEPROM | |
| 280 | |
| 281 call option_check_all ; check all options and repair them if not within their min/max boundaries | |
| 282 | |
| 283 btfsc option_repaired ; errors found & repaired during options check? | |
| 284 call option_save_all ; YES - save corrected settings into EEPROM | |
| 285 | |
| 286 ; clear flag groups | |
| 287 clrf HW_descriptor ; hardware - OSTC model descriptor | |
| 288 clrf HW_flags_state ; hardware - status | |
| 289 clrf DM_flags_sensor ; hardware - O2 sensors | |
| 290 | |
| 291 clrf OS_flags_ISR1 ; operating system - ISR control 1 | |
| 292 clrf OS_flags_ISR2 ; operating system - ISR control 2 | |
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293 |
| 623 | 294 clrf eventbase ; event triggers generated by ISR |
| 295 | |
| 296 clrf DM_flags_deco ; dive deco modes | |
| 297 | |
| 298 clrf MS_flags_control ; menu system - control | |
| 299 clrf MS_flags_imprint ; menu system - data imprinting | |
| 604 | 300 |
| 623 | 301 clrf CVT_flags1 ; convert and display functions |
| 302 clrf CVT_flags2 ; convert and display functions | |
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303 |
| 623 | 304 ; TFT will be dimming soon, ignore ambient sensor |
| 305 bsf tft_is_dimming | |
| 236 | 306 |
| 623 | 307 ; configure the OSTC model descriptor (stored in HW_descriptor) |
| 604 | 308 bcf tft_power ; inverted, here needed for I2C_probe_OSTC_rx, to wake-up RX circuity |
| 623 | 309 bsf ambient_sensor ; set ambient light sensor as available by default |
| 310 bsf optical_input ; set optical input as available by default | |
| 582 | 311 |
| 604 | 312 call lt2942_get_status ; check for gauge IC |
| 623 | 313 btfss battery_gauge_available ; OSTC 2, cR or TR? |
| 604 | 314 bra restart2 ; NO |
| 236 | 315 |
| 623 | 316 ; OSTC 2, cR or TR |
| 317 call lt2942_init ; initialize battery gauge IC | |
| 318 bcf optical_input ; OSTC 2, cR and TR do not have an optical input | |
| 319 | |
| 320 banksel ANCON0 ; ANCON0 is outside access RAM | |
| 604 | 321 bcf ANCON0,7 ; AN7 digital input |
| 623 | 322 banksel common ; back to bank common |
| 604 | 323 bcf lightsen_power ; power-down ambient light sensor |
| 623 | 324 bcf ambient_sensor ; no ambient light sensor by default |
| 582 | 325 nop |
| 623 | 326 btfss PORTF,2 ; ambient light sensor available? |
| 604 | 327 bsf ambient_sensor ; YES |
| 623 | 328 banksel ANCON0 ; ANCON0 is outside access RAM |
| 604 | 329 bsf ANCON0,7 ; AN7 analog again |
| 623 | 330 banksel common ; back to bank common |
| 604 | 331 bsf lightsen_power ; power-up ambient light sensor again |
| 582 | 332 |
| 243 | 333 restart2: |
| 623 | 334 btfsc vusb_in ; USB power detected? |
| 335 bra restart3 ; YES | |
| 336 bcf PORTE,0 ; start comm | |
| 337 WAITMS d'5' ; wait 5 ms | |
| 338 btfss vusb_in ; USB power detected? | |
| 339 bra restart3 ; NO | |
| 340 bsf ble_available ; YES - BLE available | |
| 582 | 341 |
| 342 restart3: | |
| 623 | 343 bsf PORTE,0 ; stop comm |
| 604 | 344 btfsc ble_available ; BLE available? |
| 345 bra restart4 ; YES - can't be a cR | |
| 346 btfss battery_gauge_available ; rechargeable? | |
| 347 bra restart4 ; NO - can't be a cR | |
| 348 bsf analog_o2_input ; set flag for analog | |
| 582 | 349 |
| 604 | 350 restart4: |
| 623 | 351 bsf lv_core ; default to low voltage core |
| 352 movlw 0x80 ; point to 0x1F780 | |
| 353 movwf TBLPTRL | |
| 354 movlw 0xF7 | |
| 355 movwf TBLPTRH | |
| 356 movlw 0x01 | |
| 357 movwf TBLPTRU | |
| 358 TBLRD*+ ; read from 0x1F780 | |
| 359 movlw 0x83 ; coding for low voltage core, part 1 | |
| 360 cpfseq TABLAT ; equal? | |
| 361 bra restart4a ; NO - no low voltage core then | |
| 362 movlw 0x81 ; point to 0x1F781 | |
| 363 movwf TBLPTRL | |
| 364 TBLRD*+ ; read from 0x1F781 | |
| 365 movlw 0x94 ; coding for low voltage core, part 2 | |
| 366 cpfseq TABLAT ; equal? | |
| 367 restart4a: | |
| 368 bcf lv_core ; NO - no low voltage core then | |
| 369 | |
| 370 | |
| 604 | 371 IFDEF _rx_functions |
| 623 | 372 |
| 373 ; set TR functions as deactivated by default | |
| 374 bcf tr_functions_activated ; clear flag | |
| 375 | |
| 376 ; search for TR module | |
| 377 WAITMS .200 ; wait 200 ms while RX module boots up | |
| 378 call I2C_probe_OSTC_rx ; check for RX module and set ostc_rx_present flag if found | |
| 379 btfss ostc_rx_present ; RX module detected? | |
| 380 bra restart5 ; NO | |
| 381 | |
| 382 ; check if TR module firmware is up to date | |
| 383 movff rx_firmware_cur_major,hi ; copy current firmware on RX module to bank common, major | |
| 384 movff rx_firmware_cur_minor,lo ; copy current firmware on RX module to bank common, minor | |
| 385 call rx_firmware_new_major ; get latest firmware version into WREG, major | |
| 386 cpfseq hi ; equal to current firmware on RX module, major ? | |
| 387 bra restart4b ; NO - update | |
| 388 call rx_firmware_new_minor ; YES - get latest firmware version into WREG, minor | |
| 389 cpfseq lo ; - equal to current firmware on RX module, minor ? | |
| 390 bra restart4b ; NO - update TR module | |
| 391 bra restart4e ; YES - no need to update | |
| 604 | 392 |
| 623 | 393 restart4b: |
| 394 ; print TR module update message | |
| 395 call TFT_boot ; initialize TFT (includes clear screen & backlight switch-off) | |
| 396 WIN_TOP .40 ; show heinrichsweikamp logo | |
| 397 WIN_LEFT .10 | |
| 398 TFT_WRITE_PROM_IMAGE_BY_ADDR hw_logo_block | |
| 399 WIN_SMALL .10,.130 | |
| 400 STRCAT_PRINT "Updating TR Module..." ; print update message | |
| 401 call TFT_Display_FadeIn ; display screen | |
| 402 WIN_SMALL .10,.160 | |
| 403 STRCAT "TR Update " ; prepare result message | |
| 404 | |
| 405 ; update firmware in RX module | |
| 406 call I2C_sleep_accelerometer ; stop accelerometer | |
| 407 call I2C_sleep_compass ; stop compass | |
| 408 call update_tr_module ; update TR module | |
| 582 | 409 |
| 623 | 410 WIN_SMALL .10,.160 ; set next output position |
| 411 STRCAT "Update " ; common part of result message | |
| 412 btfss ostc_rx_present ; data transfer successful and TR module up & running again? | |
| 413 bra restart4c ; NO | |
| 414 STRCAT "to " ; YES - print success message | |
| 415 call TFT_print_firmware_rx ; - print installed version | |
| 416 STRCAT_PRINT " done" ; - complete result message | |
| 417 bra restart4d ; - show message for a while | |
| 418 | |
| 419 restart4c: | |
| 420 STRCAT_PRINT "failed" ; complete result message - failure | |
| 421 | |
| 422 restart4d: | |
| 423 call wait_1s ; wait (up to) 1 second | |
| 424 call wait_1s ; wait (another full) 1 second | |
| 425 call wait_1s ; wait (another full) 1 second | |
| 426 | |
| 427 restart4e: | |
| 428 btfss ostc_rx_present ; TR module up & running? | |
| 604 | 429 bra restart5 ; NO |
| 623 | 430 movff opt_TR_mode,WREG ; YES - get TR mode |
| 431 tstfsz WREG ; - TR mode <> off ? | |
| 432 bsf tr_functions_activated ; YES - set TR functions as activated | |
| 604 | 433 |
| 623 | 434 ENDIF ; _rx_functions |
| 435 | |
| 604 | 436 |
| 437 restart5: | |
| 623 | 438 ; manage hardware |
| 439 btfss analog_o2_input ; OSTC with analog input? | |
| 440 bsf TRISB,3 ; NO - shut down power supply for S8 bulkhead | |
| 0 | 441 |
| 623 | 442 btfss battery_gauge_available ; OSTC with gauge IC? |
| 443 bsf TRISG,0 ; NO | |
| 444 | |
| 582 | 445 call ext_flash_disable_protection ; disable write protection for external flash |
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446 |
| 623 | 447 btfsc use_old_batt_flag ; shall reload last battery data? |
| 448 call get_battery_data ; YES - get last battery data | |
| 449 | |
| 450 ; set screen orientation | |
| 451 bcf flip_screen ; set default screen orientation | |
| 452 TSTOSC opt_flip_screen ; shall show screen outputs upside down? (=1: flip the screen) | |
| 453 bsf flip_screen ; YES - set upside-down orientation | |
| 582 | 454 |
| 623 | 455 ; check if high-altitude mode is applicable |
| 456 bcf high_altitude_mode ; disable high altitude mode by default | |
| 457 MOVII pressure_abs_ref, sub_a ; copy last surface pressure to sub_a | |
| 458 MOVLI high_altitude_threshold+1,sub_b ; copy high-altitude threshold (880 mbar) + 1 to sub_a | |
| 459 call cmpU16 ; sub_a - sub_b = pressure_abs_ref - (high_altitude_threshold + 1) | |
| 460 btfsc neg_flag ; result negative (absolute pressure <= 880 mbar) ? | |
| 461 bsf high_altitude_mode ; YES - enable high altitude mode | |
| 462 | |
| 463 ; check if there was a cold start, if yes do initial computation of further deco data | |
| 464 btfss cold_start ; did a cold start? | |
| 465 bra restart6 ; NO | |
| 466 bcf cold_start ; YES - clear flag | |
| 467 call deco_calc_dive_interval_1min ; - calculate tissues for 1 minute at surface conditions (C-code) | |
| 468 call deco_calc_desaturation_time ; - calculate desaturation and no-fly/no-altitude time (C-code) | |
| 469 banksel common ; - back to bank common | |
| 470 | |
| 471 restart6: | |
| 472 ; the dive mode flag can not be set right after cold start, must have been in surface mode before | |
| 473 btfsc divemode ; shall enter dive mode? | |
| 474 goto diveloop ; YES | |
| 582 | 475 |
| 476 btfsc RCON,POR ; was this a power-on reset? | |
| 623 | 477 goto surfloop ; NO - enter surface mode |
| 478 bsf RCON,POR ; YES - acknowledge detection and re-arm detector | |
| 479 goto do_new_battery_select ; - prompt for battery selection, will proceed to surface mode | |
| 480 | |
| 0 | 481 |
| 482 ;============================================================================= | |
| 623 | 483 ; Setup all flags and parameters for dive mode and simulator computations |
| 484 ; | |
| 485 ; called from divemode.asm, menu_tree.asm and surfmode.asm | |
| 0 | 486 ; |
| 487 global restart_set_modes_and_flags | |
| 623 | 488 restart_set_modes_and_flags: |
| 489 call option_restore_all ; restore all options settings from EEPROM | |
| 490 | |
| 491 IFDEF _external_sensor | |
| 492 call disable_ir_s8 ; switch off IR/S8 digital interface by default | |
| 493 ENDIF | |
| 24 | 494 |
| 623 | 495 ; setup sampling rate |
| 496 movlw .2 ; default to 2 seconds | |
| 497 movwf sampling_rate ; write setting | |
| 498 TSTOSS opt_sampling_rate ; check option: 1= 10s, 0= 2s | |
| 499 bra restart_set_modes_and_flags1 ; 0 - 2 seconds selected, done | |
| 500 movlw .10 ; 1 - change to 10 seconds | |
| 501 movwf sampling_rate ; - write setting | |
| 582 | 502 |
| 24 | 503 restart_set_modes_and_flags1: |
| 623 | 504 clrf DM_flags_deco ; clear all deco mode flags |
| 0 | 505 |
| 623 | 506 ; initialize active_gas and active_dil for surface mode pressure display |
| 604 | 507 call get_first_gas_to_WREG |
| 508 movwf active_gas | |
| 623 | 509 |
| 510 IFDEF _ccr_pscr | |
| 604 | 511 call get_first_dil_to_WREG |
| 512 movwf active_dil | |
| 623 | 513 ENDIF |
| 582 | 514 |
| 623 | 515 ; configure saturation / desaturation safety factors |
| 516 movff opt_sat_multiplier_gf, char_I_saturation_multiplier ; use factors for GF mode by default | |
| 517 movff opt_desat_multiplier_gf,char_I_desaturation_multiplier ; ... | |
| 518 TSTOSC char_I_deco_model ; get deco model ZH-L16-GF (1) selected? | |
| 519 bra restart_set_modes_and_flags2 ; YES - keep them | |
| 520 movff opt_sat_multiplier_non_gf, char_I_saturation_multiplier ; NO - overwrite them with non-GF factors | |
| 521 movff opt_desat_multiplier_non_gf,char_I_desaturation_multiplier ; - ... | |
| 0 | 522 |
| 523 restart_set_modes_and_flags2: | |
| 623 | 524 ; configure GF settings, GF high is needed for color-coding the current GF (supersaturation) factor |
| 525 movff opt_GF_low, char_I_GF_Low_percentage | |
| 526 movff opt_GF_high,char_I_GF_High_percentage | |
| 582 | 527 |
| 623 | 528 movff opt_dive_mode,lo ; get dive mode: 0= OC, 1= CCR, 2= gauge, 3= apnea, 4= pSCR |
| 529 tstfsz lo ; OC? | |
| 530 bra restart_set_modes_and_flags3 ; NO | |
| 531 bsf FLAG_oc_mode ; YES - set OC flag | |
| 604 | 532 IFDEF _rx_functions |
| 623 | 533 call option_cleanup_oTrMode_no_CCR ; - revert TR mode from 'CCR Dil+O2' to 'on' |
| 604 | 534 ENDIF |
| 623 | 535 return ; - done |
| 0 | 536 |
| 537 restart_set_modes_and_flags3: | |
| 623 | 538 decfsz lo,F ; CCR mode? |
| 539 bra restart_set_modes_and_flags4 ; NO | |
| 540 IFDEF _ccr_pscr | |
| 541 bsf FLAG_ccr_mode ; YES - set CCR flag | |
| 542 call option_cleanup_oCCRMode_CCR ; - revert CCR mode 'Sensor' to 'fixed SP' if no sensor interface available | |
| 604 | 543 IFDEF _rx_functions |
| 623 | 544 call option_cleanup_oTrMode_CCR ; - revert TR mode from 'ind.double' to 'on' |
| 545 ENDIF ; _rx_functions | |
| 546 IFDEF _external_sensor | |
| 547 call enable_ir_s8 ; - enable IR/S8 digital interface | |
| 548 ENDIF ; _external_sensor | |
| 549 ENDIF ; _ccr_pscr | |
| 550 return ; - done | |
| 0 | 551 |
| 552 restart_set_modes_and_flags4: | |
| 623 | 553 decfsz lo,F ; Gauge mode? |
| 554 bra restart_set_modes_and_flags5 ; NO | |
| 555 bsf FLAG_gauge_mode ; YES - set gauge flag | |
| 604 | 556 IFDEF _rx_functions |
| 623 | 557 call option_cleanup_oTrMode_no_CCR ; - revert TR mode from 'CCR Dil+O2' to 'on' |
| 604 | 558 ENDIF |
| 623 | 559 return ; - done |
| 0 | 560 |
|
480
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NEW: PSCR mode (Passive semi-closed rebreather)
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561 restart_set_modes_and_flags5: |
| 623 | 562 decfsz lo,F ; Apnea mode? |
| 563 bra restart_set_modes_and_flags6 ; NO | |
| 564 bsf FLAG_apnoe_mode ; YES - set apnea flag | |
| 565 movlw samplingrate_apnoe ; get apnoe sampling rate | |
| 566 movwf sampling_rate ; overwrite user-selected 2/10 seconds setting with apnoe default | |
| 604 | 567 IFDEF _rx_functions |
| 623 | 568 call option_cleanup_oTrMode_no_CCR ; - revert TR mode from 'CCR Dil+O2' to 'on' |
| 604 | 569 ENDIF |
| 623 | 570 return ; - done |
| 571 | |
| 572 restart_set_modes_and_flags6: | |
| 573 ; pSCR mode then | |
| 574 IFDEF _ccr_pscr | |
| 575 bsf FLAG_pscr_mode ; - set pSCR mode flag | |
| 576 call option_cleanup_oCCRMode_pSCR ; - revert AutoSP to calculated SP, additionally revert Sensor to fixed SP if no sensor interface available | |
| 577 IFDEF _rx_functions | |
| 578 call option_cleanup_oTrMode_no_CCR ; - revert TR mode from 'CCR Dil+O2' to 'on' | |
| 579 ENDIF ; _rx_functions | |
| 580 IFDEF _external_sensor | |
| 581 call enable_ir_s8 ; - enable IR/S8 digital interface | |
| 582 ENDIF ; _external_sensor | |
| 583 ENDIF ; _ccr_pscr | |
| 584 return ; - done | |
| 560 | 585 |
| 582 | 586 |
| 623 | 587 ;============================================================================= |
| 588 ; Sample and store the current surface pressure, update ISR and deco engine | |
| 589 ; with the surface pressure sampled on last invocation. | |
| 590 ; | |
| 591 global sample_surface_pressure | |
| 592 sample_surface_pressure: | |
| 593 ; make sure the ISR does not read the surface pressure reference buffer while it is updated | |
| 594 bcf update_surface_pressure ; cancel any pending load request | |
| 595 | |
| 596 ; propagate the surface pressure sampled on last invocation to the reference pressure buffer | |
| 597 MOVII pressure_abs_sampled,pressure_abs_ref | |
| 598 | |
| 599 ; update surface pressure in the ISR | |
| 600 bsf update_surface_pressure ; request ISR to update its surface pressure | |
|
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BUGFIX: Fix rare issue after battery change (OSTC3 did not start properly)
heinrichsweikamp
parents:
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changeset
|
601 |
| 623 | 602 ; update surface pressure in the deco engine |
| 603 MOVII pressure_abs_ref,int_I_pres_surface | |
| 604 | |
| 605 ; sample current absolute pressure (ISR-safe 2 byte copy) | |
| 606 SMOVII pressure_abs,pressure_abs_sampled | |
|
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BUGFIX: Fix rare issue after battery change (OSTC3 did not start properly)
heinrichsweikamp
parents:
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diff
changeset
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607 |
| 623 | 608 ; limit sampled pressure to max allowed surface pressure |
| 609 MOVLI max_surfpressure, sub_a ; load upper limit into sub_a | |
| 610 MOVII pressure_abs_sampled,sub_b ; copy sampled pressure to sub_b | |
| 611 call cmpU16 ; sub_a - sub_b = max_surfpressure - pressure_abs_sampled | |
| 612 btfss neg_flag ; sampled pressure > max_surfpressure ? | |
| 613 return ; NO - below limit, done | |
| 614 MOVII sub_a,pressure_abs_sampled ; YES - limit to max_surfpressure (still stored in sub_a) | |
| 615 return ; - done | |
| 616 | |
|
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d3087a8ed7e1
BUGFIX: Fix rare issue after battery change (OSTC3 did not start properly)
heinrichsweikamp
parents:
375
diff
changeset
|
617 |
| 0 | 618 END |