Mercurial > public > hwos_code
annotate src/start.asm @ 628:cd58f7fc86db
3.05 stable work
| author | heinrichsweikamp |
|---|---|
| date | Thu, 19 Sep 2019 12:01:29 +0200 |
| parents | c40025d8e750 |
| children | 237931377539 |
| rev | line source |
|---|---|
| 0 | 1 ;============================================================================= |
| 2 ; | |
| 628 | 3 ; File start.asm combined next generation V3.04.3 |
| 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 | |
| 628 | 53 ENDIF |
| 54 | |
| 55 IFDEF _rx_update | |
| 623 | 56 extern rx_firmware_new_major |
| 57 extern rx_firmware_new_minor | |
| 604 | 58 ENDIF |
| 59 | |
| 623 | 60 ;----------------------------------------------------------------------------- |
| 61 | |
| 0 | 62 |
| 63 ;============================================================================= | |
| 604 | 64 ; Reset Vector: entry point on device wake-up and hard reset |
| 0 | 65 ; |
| 623 | 66 reset_v CODE 0x00000 |
| 67 goto 0x1FF00 ; jump to bootloader | |
| 0 | 68 |
| 623 | 69 start_v CODE 0x00004 ; jump to application (cold-)start |
| 0 | 70 goto start |
| 582 | 71 |
| 0 | 72 ;============================================================================= |
| 582 | 73 |
| 623 | 74 boot CODE |
| 604 | 75 |
| 76 ;============================================================================= | |
| 623 | 77 ; Entry point after cold start |
| 78 ; | |
| 582 | 79 global start |
| 0 | 80 start: |
| 623 | 81 ; clear RAM banks 0-14 |
| 82 lfsr FSR0,0x000 ; load start address into FSR0 | |
| 83 movlw 0x0F ; load end address into WREG (actually its high byte) | |
| 84 start_clear_rambank: | |
| 85 clrf POSTINC0 ; clear memory location and increment FSR0 | |
| 86 cpfseq FSR0H ; has FSR0 reached begin of bank 15, i.e. banks 0-14 done? | |
| 87 bra start_clear_rambank ; NO - loop | |
| 0 | 88 |
| 623 | 89 ; initialize hardware (ports, timers, interrupts, etc.) |
| 90 call init_ostc ; also selects bank common and sets CPU to normal speed | |
| 91 | |
| 92 ; flag that later restart origins from a cold start | |
| 93 bsf cold_start | |
| 0 | 94 |
| 623 | 95 ; initialize averaging for analog buttons |
| 96 movlw .16 ; set averaging span | |
| 97 movff WREG,analog_counter ; write to counter | |
| 98 | |
| 99 ; get button type from bootloader info | |
| 582 | 100 bsf analog_switches |
| 101 movlw 0x7C | |
| 102 movwf TBLPTRL | |
| 103 movlw 0xF7 | |
| 104 movwf TBLPTRH | |
| 105 movlw 0x01 | |
| 106 movwf TBLPTRU | |
| 623 | 107 TBLRD*+ ; read configuration byte |
| 108 movlw 0x07 ; coding for analog buttons | |
| 109 cpfseq TABLAT ; equal? | |
| 110 bcf analog_switches ; NO - no analog buttons | |
| 475 | 111 |
| 623 | 112 ; get screen type (2) from bootloader info |
| 113 bsf screen_type2 | |
| 628 | 114 bsf screen_type3 |
| 614 | 115 movlw 0x80 |
| 623 | 116 movwf TBLPTRL ; only low byte adjustment needed, high and upper are still at 0x01F7xx |
| 117 TBLRD*+ ; read configuration byte | |
| 118 movlw 0x83 ; coding for screen type 2 | |
| 119 cpfseq TABLAT ; equal? | |
| 628 | 120 bcf screen_type2 ; NO - not screen type 2 |
| 121 movlw 0x84 ; coding for screen type 3 | |
| 122 cpfseq TABLAT ; equal? | |
| 123 bcf screen_type3 ; NO - not screen type 3 | |
| 608 | 124 |
| 623 | 125 ; get button polarity from configuration data (EEPROM) |
| 582 | 126 movlw LOW .897 |
| 475 | 127 movwf EEADR |
| 582 | 128 movlw HIGH .897 |
| 475 | 129 movwf EEADRH |
| 604 | 130 call read_eeprom ; EEDATA into EEPROM @ EEADR |
| 131 clrf EEADRH ; reset EEADRH | |
| 132 movff EEDATA,button_polarity ; 0xFF (both normal), 0x00 (both inverted), 0x01 (left inverted only), 0x02 (right inverted only) | |
| 475 | 133 |
| 623 | 134 ; initialize pressure sensor calibration |
| 582 | 135 call get_calibration_data ; get calibration data from pressure sensor |
| 136 call TFT_DisplayOff ; turn off display | |
| 623 | 137 |
| 138 ; wait for calibration data to take effect | |
| 139 bsf LEDr ; turn on red LED | |
| 582 | 140 |
| 623 | 141 ; first pass, will not have valid temperature yet |
| 628 | 142 call wait_1s |
| 143 call wait_1s | |
| 144 ; bcf trigger_pres_update ; make sure ISR pressure update confirmation is not older than from now on | |
| 145 ; btfss trigger_pres_update ; has the ISR confirmed a pressure update? | |
| 146 ; bra $-2 ; NO - not yet, loop waiting for the ISR to kick in | |
| 0 | 147 |
| 623 | 148 ; second pass - complete sensor initialization |
| 628 | 149 call wait_1s |
| 150 call wait_1s | |
| 151 ; bcf trigger_pres_update ; make sure ISR pressure update confirmation is not older than from now on | |
| 152 ; btfss trigger_pres_update ; has the ISR confirmed a pressure update? | |
| 153 ; bra $-2 ; NO - not yet, loop waiting for the ISR to kick in | |
| 0 | 154 |
| 623 | 155 ; sensor calibration completed, first valid pressure value is available |
| 156 bcf LEDr ; turn off red LED again | |
| 0 | 157 |
| 623 | 158 ; load surface pressure into ISR |
| 159 ; initially needs to be done twice in order to shift the current absolute pressure through the | |
| 160 ; 15 minutes sampling buffer into the reference buffer from where it is loaded by the ISR | |
| 161 rcall sample_surface_pressure ; 1st pass | |
| 162 rcall sample_surface_pressure ; 2nd pass | |
| 163 btfsc update_surface_pressure ; has the ISR confirmed loading of the surface pressure? | |
| 164 bra $-2 ; NO - not yet, loop until ISR has confirmed loading | |
| 560 | 165 |
| 623 | 166 ; reset all tissue pressures to surface pressure equilibrium state by default |
| 167 call deco_clear_tissue ; (C-code) | |
| 168 banksel common | |
| 0 | 169 |
| 623 | 170 ; restore tissue pressures from EEPROM (if available) |
| 582 | 171 movlw HIGH .512 ; =2 |
| 623 | 172 movwf EEADRH ; set EEPROM address, high byte |
| 582 | 173 read_int_eeprom .0 |
| 174 clrf EEADRH | |
| 623 | 175 movlw 0xAA ; coding for tissue pressures available |
| 176 cpfseq EEDATA ; tissue pressures available? | |
| 177 bra start_1 ; NO - no tissue pressures available | |
| 178 call restore_decodata_from_eeprom ; YES - reload tissue pressures from EEPROM | |
|
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179 |
| 623 | 180 start_1: |
| 181 bsf reset_surface_interval ; request ISR to reset the surface interval timer | |
| 582 | 182 |
| 623 | 183 ; call rtc_init ; initialize the real time clock (will reset to firmware creation date) |
| 0 | 184 |
| 623 | 185 ; check for power-on reset |
| 604 | 186 btfsc RCON,POR ; was this a power-on reset? |
| 623 | 187 call use_old_prior_209 ; NO - migrate the last battery status from firmware 2.09 or earlier |
|
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188 |
| 623 | 189 bcf use_old_batt_flag ; default to no reload of last battery data |
| 604 | 190 btfsc RCON,POR ; was this a power-on reset? |
| 623 | 191 bsf use_old_batt_flag ; NO - reload last battery data |
| 192 | |
| 604 | 193 call lt2942_get_status ; check for gauge IC |
| 582 | 194 btfss battery_gauge_available ; cR or 2 hardware? |
| 623 | 195 bra start_check_new_firmware ; NO - skip next |
| 196 movlw .30 ; YES - load default button sensitivity | |
| 197 movff WREG,opt_cR_button_right ; - set default for left button | |
| 198 movff WREG,opt_cR_button_left ; - set default for right button | |
| 199 call piezo_config ; - configure buttons, 1st pass | |
| 200 call piezo_config ; - configure buttons, 2nd pass | |
| 604 | 201 |
| 623 | 202 start_check_new_firmware: |
| 203 call TFT_boot ; initialize TFT (includes clear screen & backlight switch-off) | |
| 604 | 204 |
| 623 | 205 ; show heinrichsweikamp logo |
| 604 | 206 WIN_TOP .40 |
| 207 WIN_LEFT .10 | |
| 623 | 208 TFT_WRITE_PROM_IMAGE_BY_ADDR hw_logo_block |
| 604 | 209 |
| 623 | 210 ; check if a new firmware was loaded, if yes reset option oPressureAdjust |
| 211 movlw d'1' ; set EEPROM address to 0x101 | |
| 212 movwf EEADR ; = 0x001 | |
| 213 movwf EEADRH ; = 0x101 | |
| 214 call read_eeprom ; read current version, major | |
| 215 movff EEDATA,lo ; store major in lo | |
| 216 incf EEADR,F ; set EEPROM address to 0x102 | |
| 217 call read_eeprom ; read current version, minor | |
| 218 movff EEDATA,hi ; store minor in hi | |
| 604 | 219 clrf EEADRH ; reset EEADRH |
| 0 | 220 |
| 623 | 221 movlw softwareversion_x ; get current major version |
| 222 cpfseq lo ; compare with stored version, equal? | |
| 223 bra start_check_new_firmware_new ; NO - reset some options and store new version in EEPROM | |
| 0 | 224 |
| 623 | 225 movlw softwareversion_y ; get current minor version |
| 226 cpfseq hi ; compare with stored version, equal? | |
| 227 bra start_check_new_firmware_new ; NO - reset some options and store new version in EEPROM | |
| 228 bra start_check_new_firmware_old ; YES - both equal, do not reset options | |
| 582 | 229 |
| 623 | 230 start_check_new_firmware_new: |
| 231 ; new firmware version detected | |
| 232 call show_fw_mesg_update ; show firmware update message | |
| 233 | |
| 582 | 234 ; place "after-update reset" here... |
| 623 | 235 lfsr FSR0,oPressureAdjust ; memory address of option data |
| 604 | 236 call option_reset ; reset oPressureAdjust to factory default |
| 623 | 237 lfsr FSR0,oPressureAdjust ; memory address of option data |
| 238 call option_save ; save reseted value of oPressureAdjust in EEPROM | |
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239 |
| 623 | 240 ; store current version in EEPROM |
| 241 movlw d'1' ; set EEPROM address to 0x101 | |
| 242 movwf EEADR ; = 0x001 | |
| 243 movwf EEADRH ; = 0x101 | |
| 244 movlw softwareversion_x ; get version, major number | |
| 245 movwf EEDATA ; prepare write | |
| 246 call write_eeprom ; execute write | |
| 247 incf EEADR,F ; set EEPROM address to 0x102 | |
| 248 movlw softwareversion_y ; get version, minor number | |
| 249 movwf EEDATA ; prepare write | |
| 250 call write_eeprom ; execute write | |
| 604 | 251 clrf EEADRH ; reset EEADRH |
| 623 | 252 bra start_check_new_firmware_common ; |
| 0 | 253 |
| 623 | 254 start_check_new_firmware_old: |
| 255 call show_fw_mesg_kept ; show firmware is kept message | |
| 256 | |
| 257 start_check_new_firmware_common: | |
| 258 call TFT_Display_FadeIn ; display resulting screen | |
| 259 call backup_flash_page ; back-up the first 128 bytes from program flash memory to EEPROM | |
| 260 | |
| 261 ; pause 5 seconds | |
| 262 movlw .5 ; load loop counter | |
| 263 start_check_new_firmware_wait: | |
| 264 call wait_1s ; wait <= 1 second | |
| 265 decfsz WREG,W ; decrement loop counter, did it became zero? | |
| 266 bra start_check_new_firmware_wait ; NO - loop | |
| 267 ;bra restart ; YES - proceed with restart | |
| 604 | 268 |
| 0 | 269 |
| 623 | 270 ;============================================================================= |
| 271 ; Entry point after warm start | |
| 272 ; | |
| 273 ; called on leaving sleep mode, surface menu, communication mode, and | |
| 274 ; when a start of a dive is detected in all modes except surface mode. | |
| 275 ; | |
| 582 | 276 global restart |
| 0 | 277 restart: |
| 623 | 278 banksel common ; for safety purpose only |
| 279 clrf STKPTR ; clear return addresses stack | |
| 582 | 280 clrf CCP1CON ; stop PWM |
| 604 | 281 bcf PORTC,2 ; pull PWM out to GND |
|
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282 |
| 623 | 283 call request_speed_normal ; request CPU speed change to normal speed (for safety only) |
| 284 | |
| 285 ; manage the option settings | |
| 286 btfsc surfmode_menu ; was restart entered by return from surface menu or comm mode? | |
| 604 | 287 call option_save_all ; YES - save all settings into EEPROM |
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288 |
| 623 | 289 btfss surfmode_menu ; was restart entered by return from surface menu or comm mode? |
| 290 call option_restore_all ; NO - load all settings from EEPROM | |
| 291 | |
| 292 call option_check_all ; check all options and repair them if not within their min/max boundaries | |
| 293 | |
| 294 btfsc option_repaired ; errors found & repaired during options check? | |
| 295 call option_save_all ; YES - save corrected settings into EEPROM | |
| 296 | |
| 297 ; clear flag groups | |
| 298 clrf HW_descriptor ; hardware - OSTC model descriptor | |
| 628 | 299 clrf HW_flags_state1 ; hardware - states |
| 300 ; ; do not clear HW_flags_state2 ! | |
| 623 | 301 clrf DM_flags_sensor ; hardware - O2 sensors |
| 302 | |
| 303 clrf OS_flags_ISR1 ; operating system - ISR control 1 | |
| 304 clrf OS_flags_ISR2 ; operating system - ISR control 2 | |
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305 |
| 623 | 306 clrf eventbase ; event triggers generated by ISR |
| 307 | |
| 308 clrf DM_flags_deco ; dive deco modes | |
| 309 | |
| 310 clrf MS_flags_control ; menu system - control | |
| 311 clrf MS_flags_imprint ; menu system - data imprinting | |
| 604 | 312 |
| 623 | 313 clrf CVT_flags1 ; convert and display functions |
| 314 clrf CVT_flags2 ; convert and display functions | |
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315 |
| 623 | 316 ; TFT will be dimming soon, ignore ambient sensor |
| 317 bsf tft_is_dimming | |
| 236 | 318 |
| 623 | 319 ; configure the OSTC model descriptor (stored in HW_descriptor) |
| 604 | 320 bcf tft_power ; inverted, here needed for I2C_probe_OSTC_rx, to wake-up RX circuity |
| 623 | 321 bsf ambient_sensor ; set ambient light sensor as available by default |
| 322 bsf optical_input ; set optical input as available by default | |
| 582 | 323 |
| 604 | 324 call lt2942_get_status ; check for gauge IC |
| 623 | 325 btfss battery_gauge_available ; OSTC 2, cR or TR? |
| 604 | 326 bra restart2 ; NO |
| 236 | 327 |
| 623 | 328 ; OSTC 2, cR or TR |
| 329 call lt2942_init ; initialize battery gauge IC | |
| 330 bcf optical_input ; OSTC 2, cR and TR do not have an optical input | |
| 331 | |
| 332 banksel ANCON0 ; ANCON0 is outside access RAM | |
| 604 | 333 bcf ANCON0,7 ; AN7 digital input |
| 623 | 334 banksel common ; back to bank common |
| 604 | 335 bcf lightsen_power ; power-down ambient light sensor |
| 623 | 336 bcf ambient_sensor ; no ambient light sensor by default |
| 582 | 337 nop |
| 623 | 338 btfss PORTF,2 ; ambient light sensor available? |
| 604 | 339 bsf ambient_sensor ; YES |
| 623 | 340 banksel ANCON0 ; ANCON0 is outside access RAM |
| 604 | 341 bsf ANCON0,7 ; AN7 analog again |
| 623 | 342 banksel common ; back to bank common |
| 604 | 343 bsf lightsen_power ; power-up ambient light sensor again |
| 582 | 344 |
| 243 | 345 restart2: |
| 628 | 346 IFNDEF _hwos_sport |
| 623 | 347 btfsc vusb_in ; USB power detected? |
| 348 bra restart3 ; YES | |
| 349 bcf PORTE,0 ; start comm | |
| 350 WAITMS d'5' ; wait 5 ms | |
| 351 btfss vusb_in ; USB power detected? | |
| 352 bra restart3 ; NO | |
| 628 | 353 ENDIF |
| 623 | 354 bsf ble_available ; YES - BLE available |
| 582 | 355 |
| 356 restart3: | |
| 623 | 357 bsf PORTE,0 ; stop comm |
| 604 | 358 btfsc ble_available ; BLE available? |
| 359 bra restart4 ; YES - can't be a cR | |
| 360 btfss battery_gauge_available ; rechargeable? | |
| 361 bra restart4 ; NO - can't be a cR | |
| 362 bsf analog_o2_input ; set flag for analog | |
| 582 | 363 |
| 604 | 364 restart4: |
| 623 | 365 bsf lv_core ; default to low voltage core |
| 366 movlw 0x80 ; point to 0x1F780 | |
| 367 movwf TBLPTRL | |
| 368 movlw 0xF7 | |
| 369 movwf TBLPTRH | |
| 370 movlw 0x01 | |
| 371 movwf TBLPTRU | |
| 372 TBLRD*+ ; read from 0x1F780 | |
| 373 movlw 0x83 ; coding for low voltage core, part 1 | |
| 374 cpfseq TABLAT ; equal? | |
| 375 bra restart4a ; NO - no low voltage core then | |
| 376 movlw 0x81 ; point to 0x1F781 | |
| 377 movwf TBLPTRL | |
| 378 TBLRD*+ ; read from 0x1F781 | |
| 379 movlw 0x94 ; coding for low voltage core, part 2 | |
| 380 cpfseq TABLAT ; equal? | |
| 381 restart4a: | |
| 382 bcf lv_core ; NO - no low voltage core then | |
| 383 | |
| 384 | |
| 604 | 385 IFDEF _rx_functions |
| 623 | 386 |
| 387 ; set TR functions as deactivated by default | |
| 388 bcf tr_functions_activated ; clear flag | |
| 389 | |
| 390 ; search for TR module | |
| 391 WAITMS .200 ; wait 200 ms while RX module boots up | |
| 392 call I2C_probe_OSTC_rx ; check for RX module and set ostc_rx_present flag if found | |
| 393 btfss ostc_rx_present ; RX module detected? | |
| 394 bra restart5 ; NO | |
| 395 | |
| 628 | 396 IFDEF _rx_update |
| 397 | |
| 623 | 398 ; check if TR module firmware is up to date |
| 399 movff rx_firmware_cur_major,hi ; copy current firmware on RX module to bank common, major | |
| 400 movff rx_firmware_cur_minor,lo ; copy current firmware on RX module to bank common, minor | |
| 401 call rx_firmware_new_major ; get latest firmware version into WREG, major | |
| 402 cpfseq hi ; equal to current firmware on RX module, major ? | |
| 403 bra restart4b ; NO - update | |
| 404 call rx_firmware_new_minor ; YES - get latest firmware version into WREG, minor | |
| 405 cpfseq lo ; - equal to current firmware on RX module, minor ? | |
| 406 bra restart4b ; NO - update TR module | |
| 407 bra restart4e ; YES - no need to update | |
| 604 | 408 |
| 623 | 409 restart4b: |
| 410 ; print TR module update message | |
| 411 call TFT_boot ; initialize TFT (includes clear screen & backlight switch-off) | |
| 412 WIN_TOP .40 ; show heinrichsweikamp logo | |
| 413 WIN_LEFT .10 | |
| 414 TFT_WRITE_PROM_IMAGE_BY_ADDR hw_logo_block | |
| 415 WIN_SMALL .10,.130 | |
| 416 STRCAT_PRINT "Updating TR Module..." ; print update message | |
| 417 call TFT_Display_FadeIn ; display screen | |
| 418 WIN_SMALL .10,.160 | |
| 419 STRCAT "TR Update " ; prepare result message | |
| 420 | |
| 421 ; update firmware in RX module | |
| 422 call I2C_sleep_compass ; stop compass | |
| 423 call update_tr_module ; update TR module | |
| 582 | 424 |
| 623 | 425 WIN_SMALL .10,.160 ; set next output position |
| 426 STRCAT "Update " ; common part of result message | |
| 427 btfss ostc_rx_present ; data transfer successful and TR module up & running again? | |
| 428 bra restart4c ; NO | |
| 429 STRCAT "to " ; YES - print success message | |
| 430 call TFT_print_firmware_rx ; - print installed version | |
| 431 STRCAT_PRINT " done" ; - complete result message | |
| 432 bra restart4d ; - show message for a while | |
| 433 | |
| 434 restart4c: | |
| 435 STRCAT_PRINT "failed" ; complete result message - failure | |
| 436 | |
| 437 restart4d: | |
| 438 call wait_1s ; wait (up to) 1 second | |
| 439 call wait_1s ; wait (another full) 1 second | |
| 440 call wait_1s ; wait (another full) 1 second | |
| 441 | |
| 628 | 442 ENDIF ; _rx_update |
| 443 | |
| 623 | 444 restart4e: |
| 445 btfss ostc_rx_present ; TR module up & running? | |
| 604 | 446 bra restart5 ; NO |
| 623 | 447 movff opt_TR_mode,WREG ; YES - get TR mode |
| 448 tstfsz WREG ; - TR mode <> off ? | |
| 449 bsf tr_functions_activated ; YES - set TR functions as activated | |
| 604 | 450 |
| 623 | 451 ENDIF ; _rx_functions |
| 452 | |
| 604 | 453 |
| 454 restart5: | |
| 623 | 455 ; manage hardware |
| 456 btfss analog_o2_input ; OSTC with analog input? | |
| 457 bsf TRISB,3 ; NO - shut down power supply for S8 bulkhead | |
| 0 | 458 |
| 623 | 459 btfss battery_gauge_available ; OSTC with gauge IC? |
| 460 bsf TRISG,0 ; NO | |
| 461 | |
| 582 | 462 call ext_flash_disable_protection ; disable write protection for external flash |
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CHANGE: Easier to understand "New Battery" menu (OSTC model dependent)
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463 |
| 623 | 464 btfsc use_old_batt_flag ; shall reload last battery data? |
| 465 call get_battery_data ; YES - get last battery data | |
| 466 | |
| 467 ; set screen orientation | |
| 468 bcf flip_screen ; set default screen orientation | |
| 469 TSTOSC opt_flip_screen ; shall show screen outputs upside down? (=1: flip the screen) | |
| 470 bsf flip_screen ; YES - set upside-down orientation | |
| 582 | 471 |
| 623 | 472 ; check if high-altitude mode is applicable |
| 473 bcf high_altitude_mode ; disable high altitude mode by default | |
| 474 MOVII pressure_abs_ref, sub_a ; copy last surface pressure to sub_a | |
| 475 MOVLI high_altitude_threshold+1,sub_b ; copy high-altitude threshold (880 mbar) + 1 to sub_a | |
| 476 call cmpU16 ; sub_a - sub_b = pressure_abs_ref - (high_altitude_threshold + 1) | |
| 477 btfsc neg_flag ; result negative (absolute pressure <= 880 mbar) ? | |
| 478 bsf high_altitude_mode ; YES - enable high altitude mode | |
| 479 | |
| 480 ; check if there was a cold start, if yes do initial computation of further deco data | |
| 481 btfss cold_start ; did a cold start? | |
| 482 bra restart6 ; NO | |
| 483 bcf cold_start ; YES - clear flag | |
| 484 call deco_calc_dive_interval_1min ; - calculate tissues for 1 minute at surface conditions (C-code) | |
| 485 call deco_calc_desaturation_time ; - calculate desaturation and no-fly/no-altitude time (C-code) | |
| 486 banksel common ; - back to bank common | |
| 487 | |
| 488 restart6: | |
| 489 ; the dive mode flag can not be set right after cold start, must have been in surface mode before | |
| 490 btfsc divemode ; shall enter dive mode? | |
| 491 goto diveloop ; YES | |
| 582 | 492 |
| 493 btfsc RCON,POR ; was this a power-on reset? | |
| 623 | 494 goto surfloop ; NO - enter surface mode |
| 495 bsf RCON,POR ; YES - acknowledge detection and re-arm detector | |
| 496 goto do_new_battery_select ; - prompt for battery selection, will proceed to surface mode | |
| 497 | |
| 0 | 498 |
| 499 ;============================================================================= | |
| 623 | 500 ; Setup all flags and parameters for dive mode and simulator computations |
| 501 ; | |
| 502 ; called from divemode.asm, menu_tree.asm and surfmode.asm | |
| 0 | 503 ; |
| 504 global restart_set_modes_and_flags | |
| 623 | 505 restart_set_modes_and_flags: |
| 506 call option_restore_all ; restore all options settings from EEPROM | |
| 507 | |
| 508 IFDEF _external_sensor | |
| 509 call disable_ir_s8 ; switch off IR/S8 digital interface by default | |
| 628 | 510 WAITMS d'100' ; Some delay to power down S8-HUD properly |
| 623 | 511 ENDIF |
| 512 ; setup sampling rate | |
| 513 movlw .2 ; default to 2 seconds | |
| 514 movwf sampling_rate ; write setting | |
| 515 TSTOSS opt_sampling_rate ; check option: 1= 10s, 0= 2s | |
| 516 bra restart_set_modes_and_flags1 ; 0 - 2 seconds selected, done | |
| 517 movlw .10 ; 1 - change to 10 seconds | |
| 518 movwf sampling_rate ; - write setting | |
| 582 | 519 |
| 24 | 520 restart_set_modes_and_flags1: |
| 623 | 521 clrf DM_flags_deco ; clear all deco mode flags |
| 0 | 522 |
| 623 | 523 ; initialize active_gas and active_dil for surface mode pressure display |
| 604 | 524 call get_first_gas_to_WREG |
| 525 movwf active_gas | |
| 623 | 526 |
| 527 IFDEF _ccr_pscr | |
| 604 | 528 call get_first_dil_to_WREG |
| 529 movwf active_dil | |
| 623 | 530 ENDIF |
| 582 | 531 |
| 623 | 532 ; configure saturation / desaturation safety factors |
| 533 movff opt_sat_multiplier_gf, char_I_saturation_multiplier ; use factors for GF mode by default | |
| 534 movff opt_desat_multiplier_gf,char_I_desaturation_multiplier ; ... | |
| 535 TSTOSC char_I_deco_model ; get deco model ZH-L16-GF (1) selected? | |
| 536 bra restart_set_modes_and_flags2 ; YES - keep them | |
| 537 movff opt_sat_multiplier_non_gf, char_I_saturation_multiplier ; NO - overwrite them with non-GF factors | |
| 538 movff opt_desat_multiplier_non_gf,char_I_desaturation_multiplier ; - ... | |
| 0 | 539 |
| 540 restart_set_modes_and_flags2: | |
| 623 | 541 ; configure GF settings, GF high is needed for color-coding the current GF (supersaturation) factor |
| 542 movff opt_GF_low, char_I_GF_Low_percentage | |
| 543 movff opt_GF_high,char_I_GF_High_percentage | |
| 582 | 544 |
| 623 | 545 movff opt_dive_mode,lo ; get dive mode: 0= OC, 1= CCR, 2= gauge, 3= apnea, 4= pSCR |
| 546 tstfsz lo ; OC? | |
| 547 bra restart_set_modes_and_flags3 ; NO | |
| 548 bsf FLAG_oc_mode ; YES - set OC flag | |
| 604 | 549 IFDEF _rx_functions |
| 623 | 550 call option_cleanup_oTrMode_no_CCR ; - revert TR mode from 'CCR Dil+O2' to 'on' |
| 604 | 551 ENDIF |
| 623 | 552 return ; - done |
| 0 | 553 |
| 554 restart_set_modes_and_flags3: | |
| 623 | 555 decfsz lo,F ; CCR mode? |
| 556 bra restart_set_modes_and_flags4 ; NO | |
| 557 IFDEF _ccr_pscr | |
| 558 bsf FLAG_ccr_mode ; YES - set CCR flag | |
| 559 call option_cleanup_oCCRMode_CCR ; - revert CCR mode 'Sensor' to 'fixed SP' if no sensor interface available | |
| 604 | 560 IFDEF _rx_functions |
| 623 | 561 call option_cleanup_oTrMode_CCR ; - revert TR mode from 'ind.double' to 'on' |
| 562 ENDIF ; _rx_functions | |
| 563 IFDEF _external_sensor | |
| 564 call enable_ir_s8 ; - enable IR/S8 digital interface | |
| 565 ENDIF ; _external_sensor | |
| 566 ENDIF ; _ccr_pscr | |
| 567 return ; - done | |
| 0 | 568 |
| 569 restart_set_modes_and_flags4: | |
| 623 | 570 decfsz lo,F ; Gauge mode? |
| 571 bra restart_set_modes_and_flags5 ; NO | |
| 572 bsf FLAG_gauge_mode ; YES - set gauge flag | |
| 604 | 573 IFDEF _rx_functions |
| 623 | 574 call option_cleanup_oTrMode_no_CCR ; - revert TR mode from 'CCR Dil+O2' to 'on' |
| 604 | 575 ENDIF |
| 623 | 576 return ; - done |
| 0 | 577 |
|
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578 restart_set_modes_and_flags5: |
| 623 | 579 decfsz lo,F ; Apnea mode? |
| 580 bra restart_set_modes_and_flags6 ; NO | |
| 581 bsf FLAG_apnoe_mode ; YES - set apnea flag | |
| 582 movlw samplingrate_apnoe ; get apnoe sampling rate | |
| 583 movwf sampling_rate ; overwrite user-selected 2/10 seconds setting with apnoe default | |
| 604 | 584 IFDEF _rx_functions |
| 623 | 585 call option_cleanup_oTrMode_no_CCR ; - revert TR mode from 'CCR Dil+O2' to 'on' |
| 604 | 586 ENDIF |
| 623 | 587 return ; - done |
| 588 | |
| 589 restart_set_modes_and_flags6: | |
| 590 ; pSCR mode then | |
| 591 IFDEF _ccr_pscr | |
| 592 bsf FLAG_pscr_mode ; - set pSCR mode flag | |
| 593 call option_cleanup_oCCRMode_pSCR ; - revert AutoSP to calculated SP, additionally revert Sensor to fixed SP if no sensor interface available | |
| 594 IFDEF _rx_functions | |
| 595 call option_cleanup_oTrMode_no_CCR ; - revert TR mode from 'CCR Dil+O2' to 'on' | |
| 596 ENDIF ; _rx_functions | |
| 597 IFDEF _external_sensor | |
| 598 call enable_ir_s8 ; - enable IR/S8 digital interface | |
| 599 ENDIF ; _external_sensor | |
| 600 ENDIF ; _ccr_pscr | |
| 601 return ; - done | |
| 560 | 602 |
| 582 | 603 |
| 623 | 604 ;============================================================================= |
| 605 ; Sample and store the current surface pressure, update ISR and deco engine | |
| 606 ; with the surface pressure sampled on last invocation. | |
| 607 ; | |
| 608 global sample_surface_pressure | |
| 609 sample_surface_pressure: | |
| 610 ; make sure the ISR does not read the surface pressure reference buffer while it is updated | |
| 611 bcf update_surface_pressure ; cancel any pending load request | |
| 612 | |
| 613 ; propagate the surface pressure sampled on last invocation to the reference pressure buffer | |
| 614 MOVII pressure_abs_sampled,pressure_abs_ref | |
| 615 | |
| 616 ; update surface pressure in the ISR | |
| 617 bsf update_surface_pressure ; request ISR to update its surface pressure | |
|
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618 |
| 623 | 619 ; update surface pressure in the deco engine |
| 620 MOVII pressure_abs_ref,int_I_pres_surface | |
| 621 | |
| 622 ; sample current absolute pressure (ISR-safe 2 byte copy) | |
| 623 SMOVII pressure_abs,pressure_abs_sampled | |
|
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BUGFIX: Fix rare issue after battery change (OSTC3 did not start properly)
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parents:
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624 |
| 623 | 625 ; limit sampled pressure to max allowed surface pressure |
| 626 MOVLI max_surfpressure, sub_a ; load upper limit into sub_a | |
| 627 MOVII pressure_abs_sampled,sub_b ; copy sampled pressure to sub_b | |
| 628 call cmpU16 ; sub_a - sub_b = max_surfpressure - pressure_abs_sampled | |
| 629 btfss neg_flag ; sampled pressure > max_surfpressure ? | |
| 630 return ; NO - below limit, done | |
| 631 MOVII sub_a,pressure_abs_sampled ; YES - limit to max_surfpressure (still stored in sub_a) | |
| 632 return ; - done | |
| 633 | |
|
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BUGFIX: Fix rare issue after battery change (OSTC3 did not start properly)
heinrichsweikamp
parents:
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634 |
| 0 | 635 END |