Mercurial > public > hwos_code
annotate src/start.asm @ 654:75e90cd0c2c3
hwOS sport 10.77 release
| author | heinrichsweikamp |
|---|---|
| date | Thu, 14 Mar 2024 16:56:46 +0100 |
| parents | bc214815deb2 |
| children |
| rev | line source |
|---|---|
| 0 | 1 ;============================================================================= |
| 2 ; | |
| 640 | 3 ; File start.asm * combined next generation V3.11.1 |
| 0 | 4 ; |
| 5 ; Startup subroutines | |
| 6 ; | |
| 654 | 7 ; Copyright (c) 2011, JD Gascuel, heinrichs weikamp gmbh, all right reserved. |
| 0 | 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 |
| 623 | 31 extern backup_flash_page |
| 631 | 32 extern eeprom_deco_data_read |
| 33 extern option_restore_and_check_all | |
| 34 extern option_restore_and_check | |
| 35 extern option_check_and_store_all | |
| 36 extern option_check_and_store | |
| 582 | 37 extern option_reset |
| 631 | 38 extern rtc_init |
| 634 | 39 extern new_battery_select |
| 623 | 40 extern get_battery_data |
| 604 | 41 extern get_first_gas_to_WREG |
| 623 | 42 |
| 631 | 43 extern oFirmwareMajor |
| 44 extern oFirmwareMinor | |
| 45 extern oPressureAdjust | |
| 648 | 46 extern get_cpu_version |
| 631 | 47 |
| 623 | 48 IFDEF _ccr_pscr |
| 604 | 49 extern option_cleanup_oCCRMode_pSCR |
| 50 extern option_cleanup_oCCRMode_CCR | |
| 623 | 51 extern get_first_dil_to_WREG |
| 52 ENDIF | |
| 604 | 53 |
| 54 IFDEF _rx_functions | |
| 55 extern option_cleanup_oTrMode_CCR | |
| 56 extern option_cleanup_oTrMode_no_CCR | |
| 628 | 57 ENDIF |
| 58 | |
| 59 IFDEF _rx_update | |
| 623 | 60 extern rx_firmware_new_major |
| 61 extern rx_firmware_new_minor | |
| 634 | 62 extern dyn_show_firmware_rx |
| 604 | 63 ENDIF |
| 64 | |
| 0 | 65 |
| 66 ;============================================================================= | |
| 634 | 67 ; Reset Vector: Entry Point on Device Wake-up and hard Reset |
| 0 | 68 ; |
| 623 | 69 reset_v CODE 0x00000 |
| 70 goto 0x1FF00 ; jump to bootloader | |
| 0 | 71 |
| 623 | 72 start_v CODE 0x00004 ; jump to application (cold-)start |
| 0 | 73 goto start |
| 634 | 74 ; |
| 0 | 75 ;============================================================================= |
| 582 | 76 |
| 604 | 77 |
| 78 ;============================================================================= | |
| 634 | 79 ; Firmware Identification |
| 80 ; | |
| 81 fingerprint CODE 0x0000A | |
| 82 db fw_version_major, fw_version_minor ; major, minor | |
| 83 db fw_version_beta, FW_ID ; beta/release, firmware ID | |
| 84 db firmware_creation_year, firmware_creation_month ; creation year, month | |
| 85 db firmware_creation_day, FW_CONF ; creation day, firmware configuration | |
| 86 db 0x00, 0x00 ; reserved for future use | |
| 87 db 0x00, 0x00 ; reserved for future use | |
| 88 db 0x00, 0x00 ; reserved for future use | |
| 89 ; | |
| 90 ;============================================================================= | |
| 91 | |
| 92 | |
| 93 ;============================================================================= | |
| 94 boot1 CODE | |
| 95 ;============================================================================= | |
| 96 | |
| 97 | |
| 98 ;----------------------------------------------------------------------------- | |
| 99 ; | |
| 100 ; Entry Point after cold Start | |
| 623 | 101 ; |
| 582 | 102 global start |
| 0 | 103 start: |
| 634 | 104 |
| 623 | 105 ; clear RAM banks 0-14 |
| 106 lfsr FSR0,0x000 ; load start address into FSR0 | |
| 107 movlw 0x0F ; load end address into WREG (actually its high byte) | |
| 108 start_clear_rambank: | |
| 109 clrf POSTINC0 ; clear memory location and increment FSR0 | |
| 110 cpfseq FSR0H ; has FSR0 reached begin of bank 15, i.e. banks 0-14 done? | |
| 111 bra start_clear_rambank ; NO - loop | |
| 0 | 112 |
| 634 | 113 ; initialize averaging for analog buttons before IRQ gets enabled |
| 114 movlw .16 ; set averaging span | |
| 115 movff WREG,analog_counter ; write to counter (in bank isr_backup) | |
| 116 | |
| 643 | 117 ; initialize 1/4 second counting register |
| 118 movlw .4 ; 62,5ms * 4 = 1/4 second | |
| 119 movff WREG,isr_tmr7_helper | |
| 120 | |
| 634 | 121 ; initialize hardware (ports, timers) and start interrupts |
| 623 | 122 call init_ostc ; also selects bank common and sets CPU to normal speed |
| 648 | 123 |
| 124 ; get CPU type and set less_io_cpu bit | |
| 125 call get_cpu_version | |
| 623 | 126 |
| 127 ; flag that later restart origins from a cold start | |
| 128 bsf cold_start | |
| 0 | 129 |
| 623 | 130 ; get button type from bootloader info |
| 631 | 131 bsf analog_switches ; assume analog buttons by default |
| 634 | 132 movlw 0x7C ; set up read from 0x01F77C |
| 631 | 133 movwf TBLPTRL ; ... |
| 134 movlw 0xF7 ; ... | |
| 135 movwf TBLPTRH ; ... | |
| 136 movlw 0x01 ; ... | |
| 137 movwf TBLPTRU ; ... | |
| 623 | 138 TBLRD*+ ; read configuration byte |
| 139 movlw 0x07 ; coding for analog buttons | |
| 140 cpfseq TABLAT ; equal? | |
| 141 bcf analog_switches ; NO - no analog buttons | |
| 475 | 142 |
| 623 | 143 ; get screen type (2) from bootloader info |
| 634 | 144 bsf screen_type2 ; set flags for later clear of the false one |
| 145 bsf screen_type3 ; ... | |
| 654 | 146 bsf screen_type4 ; ... |
| 634 | 147 movlw 0x80 ; set up read from 0x01F780 |
| 148 movwf TBLPTRL ; ... | |
| 149 ;movlw 0xF7 ; high and upper are still at 0x01F7xx | |
| 150 ;movwf TBLPTRH ; ... | |
| 151 ;movlw 0x01 ; ... | |
| 152 ;movwf TBLPTRU ; ... | |
| 623 | 153 TBLRD*+ ; read configuration byte |
| 154 movlw 0x83 ; coding for screen type 2 | |
| 155 cpfseq TABLAT ; equal? | |
| 628 | 156 bcf screen_type2 ; NO - not screen type 2 |
| 157 movlw 0x84 ; coding for screen type 3 | |
| 158 cpfseq TABLAT ; equal? | |
| 159 bcf screen_type3 ; NO - not screen type 3 | |
| 654 | 160 movlw 0x85 ; coding for screen type 4 |
| 161 cpfseq TABLAT ; equal? | |
| 162 bcf screen_type4 ; NO - not screen type 4 | |
| 608 | 163 |
| 654 | 164 bcf dn_flag |
| 165 btfsc screen_type4 | |
| 166 bsf dn_flag | |
| 167 | |
| 623 | 168 ; get button polarity from configuration data (EEPROM) |
| 631 | 169 EEPROM_CC_READ eeprom_button_polarity,button_polarity |
| 475 | 170 |
| 623 | 171 ; initialize pressure sensor calibration |
| 643 | 172 call I2C_probe_pressure_sensor ; Probe the type of sensor, set/clear press_sensor_type |
| 582 | 173 call get_calibration_data ; get calibration data from pressure sensor |
| 648 | 174 |
| 582 | 175 call TFT_DisplayOff ; turn off display |
| 623 | 176 bsf LEDr ; turn on red LED |
| 582 | 177 |
| 634 | 178 ; wait for valid temperature and pressure |
| 643 | 179 btfsc press_sensor_type ; New sensor found? |
| 180 call I2C_get_temp_val_MS5837 ; (Will set ms5837_state) | |
| 181 WAITMS .250 | |
| 182 btfsc press_sensor_type ; New sensor found? | |
| 183 call I2C_get_press_val_MS5837 ; (Will clear ms5837_state) | |
| 184 WAITMS .250 | |
| 185 btfsc press_sensor_type ; New sensor found? | |
| 186 call I2C_get_temp_val_MS5837 ; (Will set ms5837_state) | |
| 187 WAITMS .250 | |
| 188 btfsc press_sensor_type ; New sensor found? | |
| 189 call I2C_get_press_val_MS5837 ; (Will clear ms5837_state) | |
| 190 WAITMS .250 | |
| 0 | 191 |
| 623 | 192 ; sensor calibration completed, first valid pressure value is available |
| 634 | 193 bcf LEDr ; turn off red LED |
| 0 | 194 |
| 634 | 195 ; initial loading of the surface pressure into the ISR |
| 196 ; needs to be done twice in order to shift the current absolute pressure through | |
| 197 ; the sampling buffer into the reference buffer from where it is loaded by the ISR | |
| 198 call sample_surface_pressure ; 1st pass | |
| 199 call sample_surface_pressure ; 2nd pass | |
| 629 | 200 |
| 201 ; wait until initial surface pressure value has been loaded into the ISR | |
| 623 | 202 btfsc update_surface_pressure ; has the ISR confirmed loading of the surface pressure? |
| 203 bra $-2 ; NO - not yet, loop until ISR has confirmed loading | |
| 560 | 204 |
| 623 | 205 ; reset all tissue pressures to surface pressure equilibrium state by default |
| 206 call deco_clear_tissue ; (C-code) | |
| 631 | 207 banksel common ; back to bank common |
| 0 | 208 |
| 631 | 209 ; restore deco status from EEPROM (if possible) |
| 210 EEPROM_CC_READ eeprom_deco_data_validity,WREG ; read deco data validity | |
| 211 xorlw DECO_DATA_VALID_TOKEN ; deco data valid? | |
| 212 bnz start_clean ; NO - start "clean" | |
| 213 EEPROM_CC_READ eeprom_deco_data_version,WREG ; YES - read deco data format version | |
| 214 xorlw eeprom_vault_version ; - deco data format compatible? | |
| 215 bnz start_clean ; NO - start "clean" | |
| 216 call eeprom_deco_data_read ; YES - restore deco data from EEPROM | |
| 217 bra start_common ; - continue with common part | |
|
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218 |
| 631 | 219 start_clean: |
| 623 | 220 bsf reset_surface_interval ; request ISR to reset the surface interval timer |
| 631 | 221 btfss RCON,POR ; was there a power outage ? |
| 222 call rtc_init ; YES - initialize RTC to firmware creation date | |
| 582 | 223 |
| 631 | 224 start_common: |
| 623 | 225 ; check for power-on reset |
|
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226 |
| 623 | 227 bcf use_old_batt_flag ; default to no reload of last battery data |
| 604 | 228 btfsc RCON,POR ; was this a power-on reset? |
| 623 | 229 bsf use_old_batt_flag ; NO - reload last battery data |
| 230 | |
| 604 | 231 call lt2942_get_status ; check for gauge IC |
| 582 | 232 btfss battery_gauge_available ; cR or 2 hardware? |
| 623 | 233 bra start_check_new_firmware ; NO - skip next |
| 234 movlw .30 ; YES - load default button sensitivity | |
| 235 movff WREG,opt_cR_button_right ; - set default for left button | |
| 236 movff WREG,opt_cR_button_left ; - set default for right button | |
| 237 call piezo_config ; - configure buttons, 1st pass | |
| 238 call piezo_config ; - configure buttons, 2nd pass | |
| 604 | 239 |
| 623 | 240 start_check_new_firmware: |
| 241 call TFT_boot ; initialize TFT (includes clear screen & backlight switch-off) | |
| 604 | 242 |
| 654 | 243 ; show heinrichs weikamp logo |
| 604 | 244 WIN_TOP .40 |
| 245 WIN_LEFT .10 | |
| 623 | 246 TFT_WRITE_PROM_IMAGE_BY_ADDR hw_logo_block |
| 604 | 247 |
| 631 | 248 ; check if a new firmware was loaded |
| 249 lfsr FSR0,oFirmwareMajor ; address firmware version | |
| 250 call option_restore_and_check ; read firmware version, major | |
| 251 call option_restore_and_check ; read firmware version, minor | |
| 252 call option_restore_and_check ; read firmware version, beta | |
| 582 | 253 |
| 631 | 254 movff opt_fw_version_major,WREG ; get stored major version |
| 255 xorlw fw_version_major ; compare with currently active version, equal? | |
| 256 bnz start_check_new_firmware_new ; NO - a new firmware was loaded | |
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257 |
| 631 | 258 movff opt_fw_version_minor,WREG ; get stored minor version |
| 259 xorlw fw_version_minor ; compare with currently active version, equal? | |
| 260 bnz start_check_new_firmware_new ; NO - a new firmware was loaded | |
| 261 | |
| 262 movff opt_fw_version_beta,WREG ; get stored beta version | |
| 263 xorlw fw_version_beta ; compare with currently active version, equal? | |
| 264 bnz start_check_new_firmware_new ; NO - a new firmware was loaded | |
| 265 ;bz start_check_new_firmware_old ; YES - same firmware as before | |
| 0 | 266 |
| 623 | 267 start_check_new_firmware_old: |
| 634 | 268 call TFT_message_fw_kept ; show firmware is kept message |
| 631 | 269 bra start_check_new_firmware_common ; continue with common part |
| 270 | |
| 271 start_check_new_firmware_new: | |
| 634 | 272 call TFT_message_fw_update ; show firmware is updated message |
| 631 | 273 |
| 634 | 274 ; ; reset the pressure sensor correction to factory default |
| 275 ; lfsr FSR0,oPressureAdjust ; address pressure sensor correction | |
| 276 ; call option_reset ; set correction to default | |
| 277 ; | |
| 278 ; lfsr FSR0,oPressureAdjust ; address pressure sensor correction | |
| 279 ; call option_check_and_store ; update correction in EEPROM | |
| 623 | 280 |
| 281 start_check_new_firmware_common: | |
| 282 call TFT_Display_FadeIn ; display resulting screen | |
| 631 | 283 |
| 623 | 284 call backup_flash_page ; back-up the first 128 bytes from program flash memory to EEPROM |
| 631 | 285 call option_restore_and_check_all ; restore all option values from EEPROM and check them |
| 623 | 286 |
| 634 | 287 WAITS .5 ; wait 5 second |
| 288 | |
| 289 goto restart ; proceed with restart | |
| 604 | 290 |
| 0 | 291 |
| 623 | 292 ;============================================================================= |
| 634 | 293 boot2 CODE |
| 294 ;============================================================================= | |
| 295 | |
| 296 | |
| 297 ;----------------------------------------------------------------------------- | |
| 298 ; Sample and store the current Surface Pressure | |
| 299 ; Update ISR and Deco Engine with Pressure sampled on last Invocation | |
| 300 ; | |
| 301 global sample_surface_pressure | |
| 302 sample_surface_pressure: | |
| 303 ; make sure the ISR does not read the surface pressure reference buffer while it is updated | |
| 304 bcf update_surface_pressure ; cancel any pending load request | |
| 305 | |
| 306 ; propagate the surface pressure sampled on last invocation to the reference pressure buffer | |
| 307 MOVII pressure_abs_sampled,pressure_abs_ref | |
| 308 | |
| 309 ; update surface pressure in the ISR | |
| 310 bsf update_surface_pressure ; request ISR to update its surface pressure | |
| 311 | |
| 312 ; update surface pressure in the deco engine | |
| 313 MOVII pressure_abs_ref,int_I_pres_surface | |
| 314 | |
| 315 ; sample current absolute pressure (ISR-safe 2 byte copy) | |
| 316 SMOVII pressure_abs,pressure_abs_sampled | |
| 317 | |
| 318 ; limit sampled pressure to max allowed surface pressure | |
| 319 MOVLI max_surfpressure, sub_a ; load upper limit into sub_a | |
| 320 MOVII pressure_abs_sampled,sub_b ; copy sampled pressure to sub_b | |
| 321 call cmpU16 ; sub_a - sub_b = max_surfpressure - pressure_abs_sampled | |
| 322 btfss neg_flag ; sampled pressure > max_surfpressure ? | |
| 323 return ; NO - below limit, done | |
| 324 MOVII sub_a,pressure_abs_sampled ; YES - limit to max_surfpressure (still stored in sub_a) | |
| 325 return ; - done | |
| 326 | |
| 327 | |
| 328 ;============================================================================= | |
| 329 boot3 CODE | |
| 330 ;============================================================================= | |
| 331 | |
| 332 | |
| 333 ;----------------------------------------------------------------------------- | |
| 334 ; Entry Point for warm Start | |
| 623 | 335 ; |
| 336 ; called on leaving sleep mode, surface menu, communication mode, and | |
| 634 | 337 ; when a start of a dive is detected in all modes except surface mode |
| 623 | 338 ; |
| 582 | 339 global restart |
| 0 | 340 restart: |
| 634 | 341 |
| 631 | 342 ; for safety purpose only |
| 343 banksel common ; select bank common | |
| 623 | 344 clrf STKPTR ; clear return addresses stack |
| 631 | 345 call request_speed_normal ; request CPU speed change to normal speed |
| 346 | |
| 347 bsf tft_is_dimming ; ignore ambient sensor | |
| 623 | 348 |
| 349 ; clear flag groups | |
| 350 clrf HW_descriptor ; hardware - OSTC model descriptor | |
| 628 | 351 clrf HW_flags_state1 ; hardware - states |
| 634 | 352 ; ; DO NOT clear HW_flags_state2 ! |
| 643 | 353 ; ; DO NOT clear HW_flags_state3 ! |
| 623 | 354 clrf DM_flags_sensor ; hardware - O2 sensors |
| 355 clrf OS_flags_ISR1 ; operating system - ISR control 1 | |
| 356 clrf OS_flags_ISR2 ; operating system - ISR control 2 | |
| 357 clrf eventbase ; event triggers generated by ISR | |
| 358 clrf DM_flags_deco ; dive deco modes | |
| 359 clrf MS_flags_control ; menu system - control | |
| 360 clrf MS_flags_imprint ; menu system - data imprinting | |
| 634 | 361 clrf CVT_flags1 ; control of numerical outputs 1 |
| 362 clrf CVT_flags2 ; control of numerical outputs 2 | |
|
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363 |
| 623 | 364 ; configure the OSTC model descriptor (stored in HW_descriptor) |
| 604 | 365 bcf tft_power ; inverted, here needed for I2C_probe_OSTC_rx, to wake-up RX circuity |
| 623 | 366 bsf ambient_sensor ; set ambient light sensor as available by default |
| 634 | 367 bsf ext_input_optical ; set optical input as available by default |
| 582 | 368 |
| 604 | 369 call lt2942_get_status ; check for gauge IC |
| 623 | 370 btfss battery_gauge_available ; OSTC 2, cR or TR? |
| 604 | 371 bra restart2 ; NO |
| 236 | 372 |
| 623 | 373 ; OSTC 2, cR or TR |
| 374 call lt2942_init ; initialize battery gauge IC | |
| 634 | 375 bcf ext_input_optical ; OSTC 2, cR and TR do not have an optical input |
| 623 | 376 |
| 377 banksel ANCON0 ; ANCON0 is outside access RAM | |
| 604 | 378 bcf ANCON0,7 ; AN7 digital input |
| 623 | 379 banksel common ; back to bank common |
| 604 | 380 bcf lightsen_power ; power-down ambient light sensor |
| 623 | 381 bcf ambient_sensor ; no ambient light sensor by default |
| 582 | 382 nop |
| 623 | 383 btfss PORTF,2 ; ambient light sensor available? |
| 604 | 384 bsf ambient_sensor ; YES |
| 623 | 385 banksel ANCON0 ; ANCON0 is outside access RAM |
| 604 | 386 bsf ANCON0,7 ; AN7 analog again |
| 623 | 387 banksel common ; back to bank common |
| 604 | 388 bsf lightsen_power ; power-up ambient light sensor again |
| 582 | 389 |
| 243 | 390 restart2: |
| 648 | 391 btfsc less_io_cpu ; Less I/O CPU found? |
| 392 bsf ble_available ; Yes, must have BLE (old or new) | |
| 628 | 393 IFNDEF _hwos_sport |
| 623 | 394 btfsc vusb_in ; USB power detected? |
| 634 | 395 bra restart3 ; YES - no BT then |
| 654 | 396 bcf ble_npower ; NO - power up BT chip (if available) |
| 631 | 397 WAITMS d'5' ; - wait 5 ms |
| 398 btfss vusb_in ; - BT chip detected? | |
| 634 | 399 bra restart3 ; NO - no BT then |
| 628 | 400 ENDIF |
| 634 | 401 bsf ble_available ; YES - BT available |
| 582 | 402 |
| 403 restart3: | |
| 654 | 404 bsf ble_npower ; power down BT chip (if available) |
| 650 | 405 IFDEF _external_sensor ; Compiled for external analog interface? |
| 406 bsf ext_input_s8_ana ; YES - Set the flag | |
| 407 call eeprom_serial_number_read ; read OSTC serial number | |
| 408 movlw .31 | |
| 409 cpfslt hi ; bigger than WREG? | |
| 410 bsf ble_available ; NO - must be new OSTC+ with interface | |
| 640 | 411 ENDIF |
| 643 | 412 |
| 413 | |
| 640 | 414 bsf lv_core ; default to low voltage core |
| 623 | 415 movlw 0x80 ; point to 0x1F780 |
| 631 | 416 movwf TBLPTRL ; ... |
| 417 movlw 0xF7 ; ... | |
| 418 movwf TBLPTRH ; ... | |
| 419 movlw 0x01 ; ... | |
| 420 movwf TBLPTRU ; ... | |
| 623 | 421 TBLRD*+ ; read from 0x1F780 |
| 422 movlw 0x83 ; coding for low voltage core, part 1 | |
| 423 cpfseq TABLAT ; equal? | |
| 631 | 424 bra restart4a ; NO - no low voltage core then |
| 425 movlw 0x81 ; YES - point to 0x1F781 | |
| 426 movwf TBLPTRL ; - ... | |
| 427 TBLRD*+ ; - read from 0x1F781 | |
| 428 movlw 0x94 ; - coding for low voltage core, part 2 | |
| 429 cpfseq TABLAT ; - equal? | |
| 623 | 430 restart4a: |
| 631 | 431 bcf lv_core ; NO - no low voltage core then |
| 623 | 432 |
| 634 | 433 ; OSTC sport 2019 hardware does not have an optical input |
| 434 btfsc lv_core ; low voltage core? | |
| 435 bcf ext_input_optical ; YES - no optical input available | |
| 640 | 436 btfsc lv_core ; low voltage core? |
| 437 bcf ext_input_s8_ana ; YES - can't be a cR, S8/analog sensor input disabled | |
| 634 | 438 |
| 439 ; check FLASH for block-write capability | |
| 440 bsf flash_block_write ; default to block-write capability available | |
| 441 call ext_flash_read_jedec ; read JEDEC IDs | |
| 442 movlw 0x26 ; device type 26h supports block-write | |
| 443 cpfseq hi ; dive type = 26h ? | |
| 444 bcf flash_block_write ; NO - revoke capability | |
| 445 | |
| 623 | 446 |
| 604 | 447 IFDEF _rx_functions |
| 623 | 448 |
| 449 ; set TR functions as deactivated by default | |
| 450 bcf tr_functions_activated ; clear flag | |
| 451 | |
| 452 ; search for TR module | |
| 453 WAITMS .200 ; wait 200 ms while RX module boots up | |
| 454 call I2C_probe_OSTC_rx ; check for RX module and set ostc_rx_present flag if found | |
| 455 btfss ostc_rx_present ; RX module detected? | |
| 456 bra restart5 ; NO | |
| 457 | |
| 628 | 458 IFDEF _rx_update |
| 459 | |
| 623 | 460 ; check if TR module firmware is up to date |
| 461 movff rx_firmware_cur_major,hi ; copy current firmware on RX module to bank common, major | |
| 462 movff rx_firmware_cur_minor,lo ; copy current firmware on RX module to bank common, minor | |
| 463 call rx_firmware_new_major ; get latest firmware version into WREG, major | |
| 464 cpfseq hi ; equal to current firmware on RX module, major ? | |
| 465 bra restart4b ; NO - update | |
| 466 call rx_firmware_new_minor ; YES - get latest firmware version into WREG, minor | |
| 467 cpfseq lo ; - equal to current firmware on RX module, minor ? | |
| 468 bra restart4b ; NO - update TR module | |
| 469 bra restart4e ; YES - no need to update | |
| 604 | 470 |
| 623 | 471 restart4b: |
| 472 ; print TR module update message | |
| 473 call TFT_boot ; initialize TFT (includes clear screen & backlight switch-off) | |
| 631 | 474 WIN_TOP .40 ; set position |
| 475 WIN_LEFT .10 ; ... | |
| 654 | 476 TFT_WRITE_PROM_IMAGE_BY_ADDR hw_logo_block ; show heinrichs weikamp logo |
| 631 | 477 WIN_SMALL .10,.130 ; set position |
| 623 | 478 STRCAT_PRINT "Updating TR Module..." ; print update message |
| 631 | 479 call TFT_Display_FadeIn ; dimm up backlight to show outputs |
| 623 | 480 |
| 481 ; update firmware in RX module | |
| 482 call I2C_sleep_compass ; stop compass | |
| 483 call update_tr_module ; update TR module | |
| 582 | 484 |
| 623 | 485 WIN_SMALL .10,.160 ; set next output position |
| 486 STRCAT "Update " ; common part of result message | |
| 487 btfss ostc_rx_present ; data transfer successful and TR module up & running again? | |
| 488 bra restart4c ; NO | |
| 489 STRCAT "to " ; YES - print success message | |
| 634 | 490 call dyn_show_firmware_rx ; - print installed version |
| 623 | 491 STRCAT_PRINT " done" ; - complete result message |
| 492 bra restart4d ; - show message for a while | |
| 493 | |
| 494 restart4c: | |
| 495 STRCAT_PRINT "failed" ; complete result message - failure | |
| 496 | |
| 497 restart4d: | |
| 634 | 498 WAITS .3 ; wait 3 seconds |
| 623 | 499 |
| 628 | 500 ENDIF ; _rx_update |
| 501 | |
| 623 | 502 restart4e: |
| 503 btfss ostc_rx_present ; TR module up & running? | |
| 604 | 504 bra restart5 ; NO |
| 623 | 505 movff opt_TR_mode,WREG ; YES - get TR mode |
| 506 tstfsz WREG ; - TR mode <> off ? | |
| 507 bsf tr_functions_activated ; YES - set TR functions as activated | |
| 604 | 508 |
| 623 | 509 ENDIF ; _rx_functions |
| 510 | |
| 604 | 511 |
| 512 restart5: | |
| 640 | 513 ; configure button_hold_down_allowed flag |
| 514 btfsc lv_core | |
| 643 | 515 bsf button_hold_down_allowed ; OSTC sport mod. 2019 |
| 640 | 516 btfsc ext_input_optical |
| 643 | 517 bsf button_hold_down_allowed ; OSTC3/old sport |
| 640 | 518 |
| 623 | 519 ; manage hardware |
| 634 | 520 btfss ext_input_s8_ana ; OSTC with S8/analog input? |
| 623 | 521 bsf TRISB,3 ; NO - shut down power supply for S8 bulkhead |
| 0 | 522 |
| 623 | 523 btfss battery_gauge_available ; OSTC with gauge IC? |
| 524 bsf TRISG,0 ; NO | |
| 525 | |
| 582 | 526 call ext_flash_disable_protection ; disable write protection for external flash |
|
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527 |
| 623 | 528 btfsc use_old_batt_flag ; shall reload last battery data? |
| 529 call get_battery_data ; YES - get last battery data | |
| 530 | |
| 633 | 531 ; check if option values have changed and thus if the EEPROM needs to be updated |
| 634 | 532 btfsc option_changed ; do the options need to be stored to EEPROM ? |
| 633 | 533 call option_check_and_store_all ; YES - check and store all option values in EEPROM |
| 534 | |
| 623 | 535 ; set screen orientation |
| 634 | 536 bcf flip_screen ; disable upside-down orientation by default |
| 623 | 537 TSTOSC opt_flip_screen ; shall show screen outputs upside down? (=1: flip the screen) |
| 634 | 538 bsf flip_screen ; YES - enable upside-down orientation |
| 582 | 539 |
| 623 | 540 ; check if high-altitude mode is applicable |
| 541 bcf high_altitude_mode ; disable high altitude mode by default | |
| 542 MOVII pressure_abs_ref, sub_a ; copy last surface pressure to sub_a | |
| 543 MOVLI high_altitude_threshold+1,sub_b ; copy high-altitude threshold (880 mbar) + 1 to sub_a | |
| 544 call cmpU16 ; sub_a - sub_b = pressure_abs_ref - (high_altitude_threshold + 1) | |
| 545 btfsc neg_flag ; result negative (absolute pressure <= 880 mbar) ? | |
| 546 bsf high_altitude_mode ; YES - enable high altitude mode | |
| 547 | |
| 548 ; check if there was a cold start, if yes do initial computation of further deco data | |
| 549 btfss cold_start ; did a cold start? | |
| 550 bra restart6 ; NO | |
| 551 bcf cold_start ; YES - clear flag | |
| 552 call deco_calc_dive_interval_1min ; - calculate tissues for 1 minute at surface conditions (C-code) | |
| 553 call deco_calc_desaturation_time ; - calculate desaturation and no-fly/no-altitude time (C-code) | |
| 554 banksel common ; - back to bank common | |
| 555 | |
| 556 restart6: | |
| 640 | 557 btfsc ext_input_s8_ana ; analog sensor input available? |
| 558 bra restart7 ; Yes, continue | |
| 559 ; no sensors, reconfigure TRIS and ANSEL bits for AN8 | |
| 560 bcf TRISF,3 | |
| 561 banksel 0xF16 ; addresses F16h ... F5Fh are not part of the access RAM | |
| 562 bcf ANCON1,0 ; ANSEL1: AN8 -> no analog input | |
| 563 banksel common ; back to bank common | |
| 564 | |
| 565 restart7: | |
| 623 | 566 btfsc divemode ; shall enter dive mode? |
| 634 | 567 goto diveloop ; YES - enter dive mode |
| 568 btfsc RCON,POR ; NO - was this a power-on reset? | |
| 569 goto surfloop ; NO - enter surface mode | |
| 570 bsf RCON,POR ; YES - acknowledge detection and re-arm detector | |
| 571 goto new_battery_select ; - prompt for battery selection, will proceed to surface mode | |
| 623 | 572 |
| 0 | 573 |
| 574 ;============================================================================= | |
| 634 | 575 boot4 CODE |
| 576 ;============================================================================= | |
| 577 | |
| 578 ;----------------------------------------------------------------------------- | |
| 579 ; Setup of all Flags and Parameters for Dive Mode and Simulator Computations | |
| 623 | 580 ; |
| 581 ; called from divemode.asm, menu_tree.asm and surfmode.asm | |
| 0 | 582 ; |
| 583 global restart_set_modes_and_flags | |
| 623 | 584 restart_set_modes_and_flags: |
| 634 | 585 call disable_ir_s8_analog ; switch off IR/S8/analog interface by default (for all compile versions!) |
| 623 | 586 |
| 587 IFDEF _external_sensor | |
| 634 | 588 WAITMS d'100' ; wait 100 ms to S8-HUD powered down properly |
| 623 | 589 ENDIF |
| 629 | 590 |
| 634 | 591 ; setup sampling rate for dice data recording |
| 623 | 592 movlw .2 ; default to 2 seconds |
| 634 | 593 TSTOSC opt_sampling_rate ; check option: 0= 2s, 1= 10s |
| 623 | 594 movlw .10 ; 1 - change to 10 seconds |
| 634 | 595 movwf sampling_rate ; store selection |
| 582 | 596 |
| 634 | 597 ; clear all deco mode flags |
| 598 clrf DM_flags_deco | |
| 0 | 599 |
| 623 | 600 ; initialize active_gas and active_dil for surface mode pressure display |
| 604 | 601 call get_first_gas_to_WREG |
| 602 movwf active_gas | |
| 623 | 603 |
| 604 IFDEF _ccr_pscr | |
| 604 | 605 call get_first_dil_to_WREG |
| 606 movwf active_dil | |
| 623 | 607 ENDIF |
| 582 | 608 |
| 623 | 609 ; configure saturation / desaturation safety factors |
| 610 movff opt_sat_multiplier_gf, char_I_saturation_multiplier ; use factors for GF mode by default | |
| 611 movff opt_desat_multiplier_gf,char_I_desaturation_multiplier ; ... | |
| 631 | 612 TSTOSC char_I_model ; get deco model ZH-L16-GF (1) selected? |
| 623 | 613 bra restart_set_modes_and_flags2 ; YES - keep them |
| 614 movff opt_sat_multiplier_non_gf, char_I_saturation_multiplier ; NO - overwrite them with non-GF factors | |
| 615 movff opt_desat_multiplier_non_gf,char_I_desaturation_multiplier ; - ... | |
| 0 | 616 |
| 617 restart_set_modes_and_flags2: | |
| 634 | 618 |
| 623 | 619 ; configure GF settings, GF high is needed for color-coding the current GF (supersaturation) factor |
| 620 movff opt_GF_low, char_I_GF_Low_percentage | |
| 621 movff opt_GF_high,char_I_GF_High_percentage | |
| 582 | 622 |
| 634 | 623 ; dive mode specific setup |
| 623 | 624 movff opt_dive_mode,lo ; get dive mode: 0= OC, 1= CCR, 2= gauge, 3= apnea, 4= pSCR |
| 625 tstfsz lo ; OC? | |
| 626 bra restart_set_modes_and_flags3 ; NO | |
| 627 bsf FLAG_oc_mode ; YES - set OC flag | |
| 604 | 628 IFDEF _rx_functions |
| 623 | 629 call option_cleanup_oTrMode_no_CCR ; - revert TR mode from 'CCR Dil+O2' to 'on' |
| 604 | 630 ENDIF |
| 623 | 631 return ; - done |
| 0 | 632 |
| 633 restart_set_modes_and_flags3: | |
| 623 | 634 decfsz lo,F ; CCR mode? |
| 635 bra restart_set_modes_and_flags4 ; NO | |
| 636 IFDEF _ccr_pscr | |
| 637 bsf FLAG_ccr_mode ; YES - set CCR flag | |
| 638 call option_cleanup_oCCRMode_CCR ; - revert CCR mode 'Sensor' to 'fixed SP' if no sensor interface available | |
| 604 | 639 IFDEF _rx_functions |
| 623 | 640 call option_cleanup_oTrMode_CCR ; - revert TR mode from 'ind.double' to 'on' |
| 641 ENDIF ; _rx_functions | |
| 642 IFDEF _external_sensor | |
| 634 | 643 call enable_ir_s8_analog ; - enable IR/S8/analog interface |
| 623 | 644 ENDIF ; _external_sensor |
| 645 ENDIF ; _ccr_pscr | |
| 646 return ; - done | |
| 0 | 647 |
| 648 restart_set_modes_and_flags4: | |
| 623 | 649 decfsz lo,F ; Gauge mode? |
| 650 bra restart_set_modes_and_flags5 ; NO | |
| 651 bsf FLAG_gauge_mode ; YES - set gauge flag | |
| 604 | 652 IFDEF _rx_functions |
| 623 | 653 call option_cleanup_oTrMode_no_CCR ; - revert TR mode from 'CCR Dil+O2' to 'on' |
| 604 | 654 ENDIF |
| 623 | 655 return ; - done |
| 0 | 656 |
|
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657 restart_set_modes_and_flags5: |
| 623 | 658 decfsz lo,F ; Apnea mode? |
| 659 bra restart_set_modes_and_flags6 ; NO | |
| 660 bsf FLAG_apnoe_mode ; YES - set apnea flag | |
| 631 | 661 movlw samplingrate_apnoe ; - get apnoe sampling rate |
| 662 movwf sampling_rate ; - overwrite user-selected 2/10 seconds setting with apnoe default | |
| 604 | 663 IFDEF _rx_functions |
| 623 | 664 call option_cleanup_oTrMode_no_CCR ; - revert TR mode from 'CCR Dil+O2' to 'on' |
| 604 | 665 ENDIF |
| 623 | 666 return ; - done |
| 667 | |
| 668 restart_set_modes_and_flags6: | |
| 669 ; pSCR mode then | |
| 670 IFDEF _ccr_pscr | |
| 671 bsf FLAG_pscr_mode ; - set pSCR mode flag | |
| 672 call option_cleanup_oCCRMode_pSCR ; - revert AutoSP to calculated SP, additionally revert Sensor to fixed SP if no sensor interface available | |
| 673 IFDEF _rx_functions | |
| 674 call option_cleanup_oTrMode_no_CCR ; - revert TR mode from 'CCR Dil+O2' to 'on' | |
| 675 ENDIF ; _rx_functions | |
| 676 IFDEF _external_sensor | |
| 634 | 677 call enable_ir_s8_analog ; - enable IR/S8/analog interface |
| 623 | 678 ENDIF ; _external_sensor |
| 679 ENDIF ; _ccr_pscr | |
| 680 return ; - done | |
| 560 | 681 |
| 634 | 682 ;----------------------------------------------------------------------------- |
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683 |
| 634 | 684 END |