Mercurial > public > mk2
annotate code_part1/OSTC_code_asm_part1/start.asm @ 816:df8cd5ffd993
BUGFIX: Load first diluent if <> 1 correctly
Auto-SP change work...
| author | heinrichsweikamp |
|---|---|
| date | Sat, 16 May 2015 14:48:26 +0200 |
| parents | 2a0e5d884fc3 |
| children | e49a35ab7394 |
| rev | line source |
|---|---|
| 815 | 1 ; OSTC Mk.2, 2N and 2C - diving computer code |
|
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2 ; Copyright (C) 2015 HeinrichsWeikamp GbR |
| 0 | 3 |
| 4 ; This program is free software: you can redistribute it and/or modify | |
| 5 ; it under the terms of the GNU General Public License as published by | |
| 6 ; the Free Software Foundation, either version 3 of the License, or | |
| 7 ; (at your option) any later version. | |
| 8 | |
| 9 ; This program is distributed in the hope that it will be useful, | |
| 10 ; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 12 ; GNU General Public License for more details. | |
| 13 | |
| 14 ; You should have received a copy of the GNU General Public License | |
| 15 ; along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 16 | |
| 17 | |
| 18 ; Start and init | |
| 19 ; written by: Matthias Heinrichs, info@heinrichsweikamp.com | |
| 20 ; written: 10/13/04 | |
| 21 ; last updated: 06/24/08 | |
| 22 ; known bugs: | |
| 23 ; ToDo: | |
| 24 | |
| 25 start: | |
| 26 movlb b'00000001' ; ram bank 1 selected | |
| 521 | 27 movff STKPTR,temp10 ; Save stack pointer, for crash reports. |
| 235 | 28 clrf temp10+1 |
| 0 | 29 call init |
| 30 btfsc divemode ; Reset from Divemode? | |
| 681 | 31 call DISP_resetdebugger ; Yes! Something went wrong, show reset informations |
| 306 | 32 start3: |
| 0 | 33 clrf STKPTR ; Clear Stackpointer |
| 359 | 34 lfsr FSR0,year+1 ; Clear rambank 1-9, do not delete RTC registers |
| 0 | 35 clear_rambank: |
| 36 clrf POSTINC0 | |
| 37 movlw 0x0A | |
| 38 cpfseq FSR0H ; Bank 9 done? | |
| 39 bra clear_rambank ; clear... | |
| 40 | |
| 41 ; Defaults for RTC | |
| 42 call disable_rs232 ; disable UART module | |
| 43 call RTCinit ; reset RTC | |
| 44 | |
| 45 ; Air pressure compensation after reset | |
| 46 call get_calibration_data ; Get calibration data from pressure sensor | |
| 714 | 47 banksel flag5 |
| 713 | 48 bcf no_sensor_int ; Enable sensor interrupt |
| 0 | 49 bcf pressure_refresh |
| 50 wait_start_pressure: | |
| 51 btfss pressure_refresh ; Air pressure compensation | |
| 52 bra wait_start_pressure | |
| 53 | |
| 54 clrf rel_pressure+0 | |
| 55 clrf rel_pressure+1 | |
| 56 clrf surface_interval+0 | |
| 57 clrf surface_interval+1 | |
| 58 | |
| 59 bsf sleepmode ; Routine only works in sleepmode... | |
| 60 call pressuretest_sleep_fast ; Gets pressure without averaging (faster!) | |
| 61 bcf sleepmode ; Normal mode again | |
| 233 | 62 |
| 521 | 63 ; Extra power-up reset (JeanDo emulator) |
| 64 Ifdef TESTING | |
| 65 call reset_gases | |
| 66 call reset_all_cf | |
| 67 call reset_external_eeprom | |
| 68 | |
| 69 movlw LOW(.1000) | |
| 70 movwf amb_pressure+0 | |
| 71 movlw HIGH(.1000) | |
| 72 movwf amb_pressure+1 | |
| 73 Endif | |
| 74 | |
| 75 ; Get real pressure (if not in emulator mode) | |
| 76 Ifndef TESTING | |
| 507 | 77 SAFE_2BYTE_COPY amb_pressure_avg, amb_pressure ; copy for compatibility |
| 78 Endif | |
| 79 | |
| 80 movff amb_pressure+0,last_surfpressure+0 | |
| 81 movff amb_pressure+1,last_surfpressure+1 | |
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82 movff last_surfpressure+0,last_surfpressure_15min+0 |
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83 movff last_surfpressure+1,last_surfpressure_15min+1 |
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84 movff last_surfpressure+0,last_surfpressure_30min+0 |
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85 movff last_surfpressure+1,last_surfpressure_30min+1 ; Rests all airpressure registers |
| 0 | 86 |
| 87 ; reset deco data | |
| 236 | 88 ostc_debug '0' ; Sends debug-information to screen if debugmode active |
| 89 | |
| 0 | 90 movlw d'79' ; 79% N2 |
| 197 | 91 movff WREG,char_I_N2_ratio ; No He at the Surface |
| 236 | 92 clrf WREG ; Use as buffer |
| 93 movff WREG,char_I_He_ratio ; No He at the Surface | |
| 94 movff WREG,char_I_step_is_1min ; 2 second deco mode | |
| 95 GETCUSTOM8 d'11' ; Saturation multiplier % | |
| 96 movff WREG,char_I_saturation_multiplier | |
| 97 GETCUSTOM8 d'12' ; Desaturation multiplier % | |
| 98 movff WREG,char_I_desaturation_multiplier | |
| 507 | 99 movff amb_pressure+0,int_I_pres_respiration+0 ; copy for deco routine |
| 100 movff amb_pressure+1,int_I_pres_respiration+1 | |
| 101 movff int_I_pres_respiration+0,int_I_pres_surface+0 ; copy for desat routine | |
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102 movff int_I_pres_respiration+1,int_I_pres_surface+1 |
| 0 | 103 |
| 513 | 104 call deco_clear_tissue |
| 105 movlb b'00000001' ; select ram bank 1 | |
| 106 | |
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107 call divemode_check_decogases ; Setup N2/He ratio array |
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108 |
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109 call calc_deko_surfmode ; calculate desaturation for one minute |
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110 |
| 116 | 111 call deco_calc_desaturation_time ; calculate desaturation time |
| 112 call deco_clear_CNS_fraction ; clear CNS | |
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113 movlb b'00000001' ; select ram bank 1 |
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114 |
| 412 | 115 clrf nofly_time+0 ; Reset NoFly |
| 116 clrf nofly_time+1 ; Reset NoFly | |
| 117 bcf nofly_active ; Clear flag | |
| 0 | 118 |
| 119 ; check firmware and reset Custom Functions after an update | |
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120 movlw d'1' |
| 0 | 121 movwf EEADR |
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122 movlw d'1' |
| 0 | 123 movwf EEADRH |
| 124 call read_eeprom ; read current version x | |
| 125 movff EEDATA,temp1 | |
| 126 incf EEADR,F ; set to 0x102 | |
| 127 call read_eeprom ; read current version y | |
| 128 movff EEDATA,temp2 | |
| 129 clrf EEADRH ; Reset EEADRH | |
| 130 | |
| 131 movlw softwareversion_x | |
| 132 cpfseq temp1 ; compare version x | |
| 133 bra check_firmware_new ; is not equal -> reset CF and store new version in EEPROM | |
| 134 | |
| 135 movlw softwareversion_y | |
| 136 cpfseq temp2 ; compare version y | |
| 137 bra check_firmware_new ; is not equal -> reset CF and store new version in EEPROM | |
| 138 bra restart ; x and y are equal -> do not reset cf | |
| 139 | |
| 140 check_firmware_new: | |
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141 movlw d'1' ; store current version in EEPROM |
| 0 | 142 movwf EEADR |
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143 movlw d'1' |
| 0 | 144 movwf EEADRH |
| 145 movlw softwareversion_x | |
| 146 movwf EEDATA | |
| 147 call write_eeprom ; write version x | |
| 148 incf EEADR,F ; set to 0x102 | |
| 149 movlw softwareversion_y | |
| 150 movwf EEDATA | |
| 151 call write_eeprom ; write version y | |
| 152 clrf EEADRH ; Reset EEADRH | |
| 392 | 153 |
| 500 | 154 ; After update resets |
| 155 ; Reset brightness to ECO | |
| 578 | 156 movlw LOW 0x103 |
| 500 | 157 movwf EEADR |
| 578 | 158 movlw HIGH 0x103 |
| 681 | 159 movwf EEADRH ; DISPLAY brightness (=0: Eco, =1: High) |
| 500 | 160 movlw .0 |
| 161 movwf EEDATA | |
| 162 call write_eeprom ; write byte | |
| 649 | 163 clrf EEADRH ; Reset EEADRH |
| 164 | |
| 796 | 165 call reset_all_cf_bank2 ; Reset CF64-93 with this update.... |
| 166 | |
| 0 | 167 restart: |
| 720 | 168 ; check for time/date vault |
| 169 movlw .1 | |
| 170 movwf EEADRH | |
| 171 read_int_eeprom .5 | |
| 172 movlw 0xAA | |
| 173 cpfseq EEDATA ; 0xAA in EEPROM Bank1, Byte 5? | |
| 174 bra restart0 ; No | |
| 175 | |
| 176 movlw 0x00 | |
| 177 movwf EEDATA | |
| 178 write_int_eeprom d'5' ; clear flag | |
| 179 read_int_eeprom .6 | |
| 180 movff EEDATA,year | |
| 181 read_int_eeprom .7 | |
| 182 movff EEDATA,month | |
| 183 read_int_eeprom .8 | |
| 184 movff EEDATA,day | |
| 185 read_int_eeprom .9 | |
| 186 movff EEDATA,hours | |
| 187 read_int_eeprom .10 | |
| 188 movff EEDATA,mins | |
| 189 read_int_eeprom .11 | |
| 190 movff EEDATA,secs | |
| 191 call RTCinit ; Check limits | |
| 192 restart0: | |
| 193 clrf EEADRH | |
| 390 | 194 movlw b'00000011' |
| 195 movwf T3CON ; Timer3 with 32768Hz clock running | |
| 196 clrf TMR3L | |
| 537 | 197 nop |
| 390 | 198 clrf TMR3H |
| 21 | 199 bcf LED_red |
| 200 bcf LED_blue ; all LEDs off | |
| 43 | 201 GETCUSTOM8 d'48' ; time correction value |
| 202 movff WREG, time_correction_value ; store in Bank0 register | |
| 15 | 203 |
| 204 clrf flag1 ; clear all flags | |
| 205 clrf flag2 | |
| 206 clrf flag3 | |
| 207 clrf flag4 | |
| 208 clrf flag5 | |
| 209 clrf flag6 | |
| 210 clrf flag7 | |
| 211 clrf flag8 | |
| 212 clrf flag9 | |
| 213 clrf flag10 | |
| 214 clrf flag11 | |
| 215 clrf flag12 | |
| 216 clrf flag13 | |
| 217 clrf flag14 | |
| 218 clrf flag15 | |
| 730 | 219 clrf flag16 |
| 153 | 220 |
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221 ; Should we set win_flip_screen ? |
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222 bsf flag1,0 ; Precondition to yes |
| 153 | 223 clrf EEADRH ; Reset EEADRH |
| 224 read_int_eeprom d'1' | |
| 225 movlw .7 | |
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226 cpfsgt EEDATA ; serial > 2048 (Mk2n hardware) ? |
| 153 | 227 bcf flag1,0 |
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228 incf EEDATA,W ; serial == 65535 (emulation) ? |
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229 btfsc STATUS,Z |
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230 bcf flag1,0 |
| 153 | 231 movff flag1,win_flags ; store in Bank0 register |
| 232 clrf flag1 ; Clear flag1 (again) | |
| 239 | 233 |
| 234 ; Select high altitude (Fly) mode? | |
| 235 movff last_surfpressure_30min+0,sub_b+0 | |
| 236 movff last_surfpressure_30min+1,sub_b+1 | |
| 237 movlw HIGH d'880' | |
| 238 movwf sub_a+1 | |
| 239 movlw LOW d'880' ; Hard-wired 880mBar | |
| 240 movwf sub_a+0 | |
| 241 call sub16 ; sub_c = sub_a - sub_b | |
| 242 btfss neg_flag ; Result negative (Ambient>880mBar)? | |
| 243 bsf high_altitude_mode ; No, Set Flag! | |
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244 |
| 142 | 245 call gassetup_sort_gaslist ; Sorts Gaslist according to change depth |
| 0 | 246 WIN_TOP .0 |
| 247 WIN_LEFT .0 | |
| 248 WIN_FONT FT_SMALL | |
| 249 WIN_INVERT .0 ; Init new Wordprocessor | |
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250 setf WREG |
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251 movff WREG,win_color1 ; Beware: win_color1 is bank0, and we are bank1 currently |
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252 movff WREG,win_color2 |
| 0 | 253 call I2CReset ; Just in Case any I2C device blocks the Bus |
| 254 movff last_surfpressure_30min+0,last_surfpressure+0 ; Use 30min old airpressure | |
| 255 movff last_surfpressure_30min+1,last_surfpressure+1 ; Use 30min old airpressure | |
| 256 | |
| 257 ; Check if new CF were added in the last firmware version | |
| 258 clrf EEADRH | |
| 259 read_int_eeprom d'92' ; Read number of CF used in this firmware | |
| 260 movlw max_custom_number ; Defined in definitions.asm | |
| 261 cpfseq EEDATA ; Compare with last version | |
| 605 | 262 bra restart1 ; New CF, show warning and store new number |
| 263 bra restart2 ; No new CF, continue with boot | |
| 264 | |
| 265 restart1: | |
| 622 | 266 ; Reset all CF and Gases |
| 776 | 267 ; call reset_gases |
| 268 ; call reset_all_cf | |
| 605 | 269 ; Show info screen |
| 681 | 270 call DISPLAY_boot ; DISP boot (Incl. Clear Screen!) |
| 605 | 271 rcall display_new_cf_installed; Show info screen |
| 0 | 272 ; Save new number of current CF count |
| 273 movlw max_custom_number ; Defined in definitions.asm | |
| 274 movwf EEDATA | |
| 275 write_int_eeprom d'92' ; Store number of CF used in this firmware | |
| 276 | |
| 605 | 277 restart2: |
| 0 | 278 ; Set Debug mode? |
| 279 read_int_eeprom d'39' | |
| 280 bsf debug_mode | |
| 281 movlw d'1' | |
| 282 cpfseq EEDATA | |
| 283 bcf debug_mode ; clear flag if <> 1 | |
| 284 | |
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Logbook converter (Needs ~8Minutes and is called one time). Backup your dives before use!!
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285 ; Check if logbook has been converted already (Internal EEPROM 0x100=0xAA) |
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Logbook converter (Needs ~8Minutes and is called one time). Backup your dives before use!!
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286 movlw LOW 0x100 |
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64da813d4726
Logbook converter (Needs ~8Minutes and is called one time). Backup your dives before use!!
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287 movwf EEADR |
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Logbook converter (Needs ~8Minutes and is called one time). Backup your dives before use!!
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288 movlw HIGH 0x100 |
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Logbook converter (Needs ~8Minutes and is called one time). Backup your dives before use!!
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289 movwf EEADRH |
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Logbook converter (Needs ~8Minutes and is called one time). Backup your dives before use!!
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290 call read_eeprom ; read byte |
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Logbook converter (Needs ~8Minutes and is called one time). Backup your dives before use!!
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291 movlw 0xAA |
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Logbook converter (Needs ~8Minutes and is called one time). Backup your dives before use!!
Heinrichsweikamp
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292 cpfseq EEDATA ; is 0xAA already? |
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Logbook converter (Needs ~8Minutes and is called one time). Backup your dives before use!!
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293 call logbook_convert_64k ; No, convert now (And write 0xAA to internal EEPROM 0x100) |
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Logbook converter (Needs ~8Minutes and is called one time). Backup your dives before use!!
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294 |
| 681 | 295 ; Set DISPLAY brightness flag |
| 578 | 296 movlw LOW 0x103 |
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297 movwf EEADR |
| 578 | 298 movlw HIGH 0x103 |
| 681 | 299 movwf EEADRH ; DISPLAY brightness (=0: Eco, =1: High) |
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300 call read_eeprom ; read byte |
| 681 | 301 bcf DISPLAY_brightness_high ; Eco mode |
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302 movlw .0 |
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303 cpfseq EEDATA ; High? |
| 681 | 304 bsf DISPLAY_brightness_high ; Yes! |
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305 |
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306 clrf EEADRH ; Reset EEADRH |
| 0 | 307 goto surfloop ; Jump to Surfaceloop! |
| 308 | |
| 309 | |
| 310 display_new_cf_installed: | |
| 681 | 311 call DISP_new_cf_warning ; Display new CF warning screen |
| 0 | 312 movlw d'20' ; timeout for warning screen |
| 313 bra startup_screen3a ; Will RETURN after timeout or button press | |
| 197 | 314 |
| 315 ;============================================================================= | |
| 316 ; Setup all flags and parameters for divemode and simulator computations. | |
| 317 ; | |
| 318 restart_set_modes_and_flags: ; "Call"ed from divemode, as well! | |
| 0 | 319 bcf gauge_mode |
| 320 bcf FLAG_const_ppO2_mode | |
| 321 bcf FLAG_apnoe_mode | |
| 45 | 322 |
| 323 ; Pre-load modes for OC, GF 90/90 and no Aponoe or Gauge. | |
| 197 | 324 bcf no_deco_customviews ; Clear no-deco-mode-flag |
| 45 | 325 movlw d'0' |
| 469 | 326 movff WREG,char_I_deco_model ; ZH-L16 |
| 45 | 327 ; Load GF values into RAM |
| 328 movlw d'90' | |
| 197 | 329 movff WREG,char_I_GF_Low_percentage |
| 330 movff WREG,char_I_GF_High_percentage ; Set to 90/90... | |
| 0 | 331 clrf EEADRH |
| 197 | 332 read_int_eeprom d'34' ; Read deco data |
| 333 movlw d'1' ; Gauge mode | |
| 0 | 334 cpfseq EEDATA |
| 197 | 335 bra restart_3_test_ppO2_mode ; check for ppO2 mode |
| 336 bsf gauge_mode ; Set flag for gauge mode | |
| 337 bsf no_deco_customviews ; Set no-deco-mode-flag | |
| 338 return ; start in Surfacemode | |
| 0 | 339 restart_3_test_ppO2_mode: |
| 197 | 340 movlw d'2' ; const ppO2 mode |
| 0 | 341 cpfseq EEDATA |
| 197 | 342 bra restart_3_test_apnoe_mode; check for apnoe mode |
| 343 bsf FLAG_const_ppO2_mode ; Set flag for ppO2 mode | |
| 344 return ; start in Surfacemode | |
| 0 | 345 restart_3_test_apnoe_mode: |
| 197 | 346 movlw d'3' ; Apnoe mode |
| 0 | 347 cpfseq EEDATA |
| 197 | 348 bra restart_4_test_gf_mode ; check for GF OC mode |
| 349 bsf FLAG_apnoe_mode ; Set flag for Apnoe Mode | |
| 350 bsf no_deco_customviews ; Set no-deco-mode-flag | |
| 351 return ; start in Surfacemode | |
| 0 | 352 restart_4_test_gf_mode: |
| 197 | 353 movlw d'4' ; GF OC mode |
| 0 | 354 cpfseq EEDATA |
| 197 | 355 bra restart_5_test_gfO2_mode ; check for GF CC mode |
| 0 | 356 movlw d'1' |
| 197 | 357 movff WREG,char_I_deco_model ; Set Flagbyte for GF method |
| 45 | 358 ; Load GF values into RAM |
| 667 | 359 rcall restart_load_gf |
| 197 | 360 return ; start in Surfacemode |
| 0 | 361 restart_5_test_gfO2_mode: |
| 197 | 362 movlw d'5' ; GF CC mode |
| 0 | 363 cpfseq EEDATA |
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NEW: Deco mode "pSCR-GF": Computes deco and CNS based on pSCR parameters (CF62/63)
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364 bra restart_5_test_pSCR_mode ; check for pSCR-GF |
| 197 | 365 bsf FLAG_const_ppO2_mode ; Set flag for ppO2 mode |
| 0 | 366 movlw d'1' |
| 197 | 367 movff WREG,char_I_deco_model ; Set Flagbyte for GF method |
| 137 | 368 ; Load GF values into RAM |
| 667 | 369 rcall restart_load_gf |
| 197 | 370 return ; start in Surfacemode |
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371 restart_5_test_pSCR_mode: |
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372 movlw d'6' ; pSCR-GF |
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373 cpfseq EEDATA |
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374 return ; start in Surfacemode |
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NEW: Deco mode "pSCR-GF": Computes deco and CNS based on pSCR parameters (CF62/63)
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375 bcf FLAG_const_ppO2_mode ; Clear flag for ppO2 mode |
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NEW: Deco mode "pSCR-GF": Computes deco and CNS based on pSCR parameters (CF62/63)
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376 movlw d'1' |
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NEW: Deco mode "pSCR-GF": Computes deco and CNS based on pSCR parameters (CF62/63)
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377 movff WREG,char_I_deco_model ; Set Flagbyte for GF method |
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378 ; Load GF values into RAM |
| 667 | 379 rcall restart_load_gf |
| 380 return ; start in Surfacemode | |
| 381 | |
| 382 restart_load_gf: | |
| 668 | 383 btfsc use_aGF |
| 667 | 384 bra restart_load_gf2 ; Use aGf |
| 385 ; Use normal GF | |
| 386 ; Load GF values into RAM | |
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NEW: Deco mode "pSCR-GF": Computes deco and CNS based on pSCR parameters (CF62/63)
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387 GETCUSTOM8 d'32' ; GF low |
| 667 | 388 movff EEDATA,char_I_GF_Low_percentage |
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389 GETCUSTOM8 d'33' ; GF high |
| 667 | 390 movff EEDATA,char_I_GF_High_percentage |
| 391 return ; Done. | |
| 392 restart_load_gf2: ; Use aGf | |
| 393 ; Load GF values into RAM | |
| 394 GETCUSTOM8 d'67' ; aGF low | |
| 395 movff EEDATA,char_I_GF_Low_percentage | |
| 396 GETCUSTOM8 d'68' ; aGF high | |
| 397 movff EEDATA,char_I_GF_High_percentage | |
| 398 return ; Done. | |
| 399 | |
|
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|
400 |
| 197 | 401 ;============================================================================= |
| 0 | 402 |
| 403 startup_screen1: | |
| 681 | 404 call DISP_ClearScreen |
| 405 call DISP_startupscreen1 ; show startup sreen | |
| 0 | 406 startup_screen1_2: |
| 407 movlw d'10' ; timeout for startup screen | |
| 408 movwf temp1 | |
| 409 WAITMS d'200' | |
| 576 | 410 call wait_switches ; Waits until switches are released, resets flag if button stays pressed! |
| 0 | 411 screen1_loop: |
| 337 | 412 btfsc uart_dump_screen ; Asked to dump screen contains ? |
| 413 call dump_screen ; Yes! | |
| 414 | |
| 0 | 415 btfsc onesecupdate ; do every second tasks? |
| 416 call set_dive_modes ; tests if depth>threshold | |
| 417 btfsc onesecupdate ; do every second tasks? | |
| 418 decf temp1,F | |
| 419 bcf onesecupdate ; every second tasks done | |
| 420 | |
| 421 tstfsz temp1 ; timout occured? | |
| 422 bra screen1_loop2 ; no | |
| 423 return | |
| 424 | |
| 425 screen1_loop2: | |
| 426 btfsc divemode ; Divemode active? | |
| 427 return | |
| 428 btfsc switch_left ; Ack? | |
| 429 return | |
| 430 btfsc switch_right ; Ack? | |
| 431 return | |
| 432 bra screen1_loop ; loop screen | |
| 433 | |
| 434 startup_screen2: | |
| 681 | 435 call DISP_ClearScreen ; Page 1 |
| 436 call DISP_startupscreen2 ; show startup sreen | |
| 0 | 437 bra startup_screen1_2 |
| 438 | |
| 439 startup_screen3a:; WARNING: Also used for decodescriptions and CF Warning screen! | |
| 440 movwf temp1 | |
| 441 WAITMS d'200' | |
| 576 | 442 call wait_switches ; Waits until switches are released, resets flag if button stays pressed! |
| 0 | 443 screen3_loop: |
| 337 | 444 btfsc uart_dump_screen ; Asked to dump screen contains ? |
| 445 call dump_screen ; Yes! | |
| 446 | |
| 0 | 447 btfsc onesecupdate ; do every second tasks? |
| 448 call set_dive_modes ; tests if depth>threshold | |
| 449 | |
| 450 btfsc onesecupdate ; do every second tasks? | |
| 451 decf temp1,F | |
| 452 bcf onesecupdate ; every second tasks done | |
| 453 | |
| 454 tstfsz temp1 ; timout occured? | |
| 455 bra screen3_loop2 ; no | |
| 456 return | |
| 457 screen3_loop2: | |
| 458 btfsc switch_left ; Ack? | |
| 459 return | |
| 460 btfsc switch_right ; Ack? | |
| 461 return | |
| 462 bra screen3_loop ; loop screen | |
| 463 | |
| 337 | 464 ;============================================================================= |
| 465 | |
| 306 | 466 first_start: |
| 467 movlw max_custom_number ; Defined in definitions.asm | |
| 468 movwf EEDATA | |
| 469 write_int_eeprom d'92' ; Store number of CF used in this firmware | |
| 470 bra start3 ; continue with normal start | |
| 471 | |
| 0 | 472 init: |
| 466 | 473 movlw OSCCON_VALUE |
| 0 | 474 movwf OSCCON |
| 475 | |
| 476 movlw b'00010001' ; I/O Ports | |
| 477 movwf TRISA | |
| 478 clrf PORTA | |
| 479 movlw b'00000011' | |
| 480 movwf TRISB | |
| 481 clrf PORTB | |
| 482 movlw b'11011101' ; UART | |
| 483 movwf TRISC | |
| 484 clrf PORTC | |
| 485 movlw b'00000000' | |
| 486 movwf TRISE | |
| 487 clrf PORTE | |
| 488 movlw b'00000000' | |
| 489 movwf TRISD | |
| 490 clrf PORTD | |
| 491 | |
| 492 movlw b'01000000' ; Bit6: PPL enable | |
| 493 movwf OSCTUNE | |
| 494 | |
| 466 | 495 movlw T0CON_VALUE ; Timer0 |
| 0 | 496 movwf T0CON |
| 497 | |
| 498 movlw b'00000111' ; Timer1 | |
| 499 movwf T1CON | |
| 500 | |
| 501 movlw b'11010000' ; Interrups | |
| 502 movwf INTCON | |
| 503 movlw b'00000101' | |
| 504 movwf INTCON2 | |
| 505 movlw b'00001000' | |
| 506 movwf INTCON3 | |
| 507 movlw b'00100001' | |
| 508 movwf PIE1 | |
| 509 movlw b'00000000' | |
| 510 movwf PIE2 | |
| 511 clrf RCON | |
| 512 | |
| 513 movlw b'00000000' ; A/D Converter | |
| 514 movwf ADCON0 | |
| 515 movlw b'00001110' | |
| 516 movwf ADCON1 | |
| 517 movlw b'10001010' ; Right justified | |
| 518 movwf ADCON2 | |
| 519 | |
| 520 clrf SSPCON1 ; Set I²C Mode | |
| 537 | 521 movlw SSPSTAT_VALUE |
| 0 | 522 movwf SSPSTAT |
| 523 movlw b'00101000' | |
| 524 movwf SSPCON1 | |
| 525 movlw b'00000000' | |
| 526 movwf SSPCON2 | |
| 466 | 527 movlw SSPADD_VALUE ; I²C Speed |
| 0 | 528 movwf SSPADD |
| 529 | |
| 530 clrf CCP1CON ; PWM Module off | |
| 531 clrf ECCP1CON ; PWM Module off | |
| 532 | |
| 533 movlw b'00000111' ; Comperator Module off | |
| 534 movwf CMCON | |
| 535 | |
| 536 movlw b'00100000' | |
| 537 movwf CANCON ; ECAN Module OFF | |
| 538 | |
| 539 movlw b'00100100' ; UART | |
| 540 movwf TXSTA | |
| 541 movlw b'10010000' | |
| 542 movwf RCSTA | |
| 543 movlw b'00001000' | |
| 544 movwf BAUDCON | |
| 545 clrf SPBRGH | |
| 466 | 546 movlw SPBRG_VALUE |
| 0 | 547 movwf SPBRG |
| 548 clrf RCREG | |
| 549 clrf PIR1 | |
| 550 return |