Mercurial > public > mk2
annotate code_part1/OSTC_code_asm_part1/start.asm @ 231:f9d42f8ff97b
BUGFIX Don't show (nosense) gas consumption in CCR mode (bug BB20).
| author | JeanDo |
|---|---|
| date | Wed, 16 Mar 2011 19:03:01 +0100 |
| parents | 85ea09d3b9d8 |
| children | 2cbaa01dac26 |
| rev | line source |
|---|---|
| 0 | 1 ; OSTC - diving computer code |
| 2 ; Copyright (C) 2008 HeinrichsWeikamp GbR | |
| 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 | |
| 119 | 27 movff STKPTR,temp10 |
| 0 | 28 call init |
| 29 btfsc divemode ; Reset from Divemode? | |
| 30 call PLED_resetdebugger ; Yes! Something went wrong, show reset informations | |
| 31 | |
| 32 clrf STKPTR ; Clear Stackpointer | |
|
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33 lfsr FSR0, 10Bh ; Clear rambank 1-9, do not delete RTC registers |
| 0 | 34 clear_rambank: |
| 35 clrf POSTINC0 | |
| 36 movlw 0x0A | |
| 37 cpfseq FSR0H ; Bank 9 done? | |
| 38 bra clear_rambank ; clear... | |
| 39 | |
| 40 ; Defaults for RTC | |
| 41 call disable_rs232 ; disable UART module | |
| 42 call RTCinit ; reset RTC | |
| 43 | |
|
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44 ; Extra power-up reset (JeanDo) |
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45 ifdef TESTING |
| 97 | 46 call do_menu_reset_all2 |
|
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47 endif |
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48 |
| 0 | 49 ; Air pressure compensation after reset |
| 50 call get_calibration_data ; Get calibration data from pressure sensor | |
| 51 | |
| 52 bcf pressure_refresh | |
| 53 wait_start_pressure: | |
| 54 btfss pressure_refresh ; Air pressure compensation | |
| 55 bra wait_start_pressure | |
| 56 | |
| 57 clrf rel_pressure+0 | |
| 58 clrf rel_pressure+1 | |
| 59 clrf surface_interval+0 | |
| 60 clrf surface_interval+1 | |
| 61 | |
| 62 bsf sleepmode ; Routine only works in sleepmode... | |
| 63 call pressuretest_sleep_fast ; Gets pressure without averaging (faster!) | |
| 64 bcf sleepmode ; Normal mode again | |
| 65 | |
| 66 movff amb_pressure+0,last_surfpressure+0 | |
| 67 movff amb_pressure+1,last_surfpressure+1 | |
| 68 movff amb_pressure+0,last_surfpressure_15min+0 | |
| 69 movff amb_pressure+1,last_surfpressure_15min+1 | |
| 70 movff amb_pressure+0,last_surfpressure_30min+0 | |
| 71 movff amb_pressure+1,last_surfpressure_30min+1 ; Rests all airpressure registers | |
| 72 | |
| 73 ; reset deco data | |
| 197 | 74 clrf WREG ; Use as buffer |
| 75 movff WREG,char_I_He_ratio ; No He at the Surface | |
| 0 | 76 movlw d'79' ; 79% N2 |
| 197 | 77 movff WREG,char_I_N2_ratio ; No He at the Surface |
| 0 | 78 movff amb_pressure+0,int_I_pres_respiration+0 ; copy surface air pressure to deco routine |
| 79 movff amb_pressure+1,int_I_pres_respiration+1 | |
| 80 | |
| 197 | 81 clrf WREG |
| 31 | 82 movff WREG,char_I_step_is_1min ; 2 second deco mode |
| 116 | 83 call deco_clear_tissue ; |
| 84 call deco_calc_desaturation_time ; calculate desaturation time | |
| 85 call deco_clear_CNS_fraction ; clear CNS | |
| 0 | 86 call calc_deko_surfmode ; calculate desaturation every minute |
| 116 | 87 call deco_calc_wo_deco_step_1_min ; calculate deco in surface mode |
| 0 | 88 movlb b'00000001' ; select ram bank 1 |
| 89 | |
| 90 ; check firmware and reset Custom Functions after an update | |
| 91 movlw LOW 0x101 | |
| 92 movwf EEADR | |
| 93 movlw HIGH 0x101 | |
| 94 movwf EEADRH | |
| 95 call read_eeprom ; read current version x | |
| 96 movff EEDATA,temp1 | |
| 97 incf EEADR,F ; set to 0x102 | |
| 98 call read_eeprom ; read current version y | |
| 99 movff EEDATA,temp2 | |
| 100 clrf EEADRH ; Reset EEADRH | |
| 101 | |
| 102 movlw softwareversion_x | |
| 103 cpfseq temp1 ; compare version x | |
| 104 bra check_firmware_new ; is not equal -> reset CF and store new version in EEPROM | |
| 105 | |
| 106 movlw softwareversion_y | |
| 107 cpfseq temp2 ; compare version y | |
| 108 bra check_firmware_new ; is not equal -> reset CF and store new version in EEPROM | |
| 109 bra restart ; x and y are equal -> do not reset cf | |
| 110 | |
| 111 check_firmware_new: | |
| 112 movlw LOW 0x101 ; store current version in EEPROM | |
| 113 movwf EEADR | |
| 114 movlw HIGH 0x101 | |
| 115 movwf EEADRH | |
| 116 movlw softwareversion_x | |
| 117 movwf EEDATA | |
| 118 call write_eeprom ; write version x | |
| 119 incf EEADR,F ; set to 0x102 | |
| 120 movlw softwareversion_y | |
| 121 movwf EEDATA | |
| 122 call write_eeprom ; write version y | |
| 123 clrf EEADRH ; Reset EEADRH | |
| 160 | 124 ; goto reset_all_cf ; resets all custom functions bank0 and bank1 and jumps to "restart" |
| 52 | 125 ; goto reset_all_cf_bank1 ; resets all custom functions bank1 and jumps to "restart" |
| 0 | 126 |
| 127 restart: | |
| 21 | 128 bcf LED_red |
| 129 bcf LED_blue ; all LEDs off | |
| 43 | 130 GETCUSTOM8 d'48' ; time correction value |
| 131 movff WREG, time_correction_value ; store in Bank0 register | |
| 15 | 132 |
| 133 clrf flag1 ; clear all flags | |
| 134 clrf flag2 | |
| 135 clrf flag3 | |
| 136 clrf flag4 | |
| 137 clrf flag5 | |
| 138 clrf flag6 | |
| 139 clrf flag7 | |
| 140 clrf flag8 | |
| 141 clrf flag9 | |
| 142 clrf flag10 | |
| 143 clrf flag11 | |
| 144 clrf flag12 | |
| 145 clrf flag13 | |
| 146 clrf flag14 | |
| 147 clrf flag15 | |
| 153 | 148 |
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149 ; Should we set win_flip_screen ? |
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150 bsf flag1,0 ; Precondition to yes |
| 153 | 151 clrf EEADRH ; Reset EEADRH |
| 152 read_int_eeprom d'1' | |
| 153 movlw .7 | |
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154 cpfsgt EEDATA ; serial > 2048 (Mk2n hardware) ? |
| 153 | 155 bcf flag1,0 |
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156 incf EEDATA,W ; serial == 65535 (emulation) ? |
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157 btfsc STATUS,Z |
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158 bcf flag1,0 |
| 153 | 159 movff flag1,win_flags ; store in Bank0 register |
| 160 clrf flag1 ; Clear flag1 (again) | |
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161 |
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162 ; Should we disable sleep (hardware emulator) |
| 154 | 163 movlw .0 |
| 164 cpfsgt EEDATA ; >256 | |
| 167 | 165 bsf nsm ; NO-SLEEP-MODE : for hardware debugging |
| 153 | 166 |
| 142 | 167 call gassetup_sort_gaslist ; Sorts Gaslist according to change depth |
| 168 call PLED_boot ; PLED boot (Incl. Clear Screen!) | |
| 0 | 169 WIN_TOP .0 |
| 170 WIN_LEFT .0 | |
| 171 WIN_FONT FT_SMALL | |
| 172 WIN_INVERT .0 ; Init new Wordprocessor | |
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173 setf WREG |
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174 movff WREG,win_color1 ; Beware: win_color1 is bank0, and we are bank1 currently |
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175 movff WREG,win_color2 |
| 0 | 176 call I2CReset ; Just in Case any I2C device blocks the Bus |
| 177 movff last_surfpressure_30min+0,last_surfpressure+0 ; Use 30min old airpressure | |
| 178 movff last_surfpressure_30min+1,last_surfpressure+1 ; Use 30min old airpressure | |
| 179 | |
| 180 ; Check if new CF were added in the last firmware version | |
| 181 clrf EEADRH | |
| 182 read_int_eeprom d'92' ; Read number of CF used in this firmware | |
| 183 movlw max_custom_number ; Defined in definitions.asm | |
| 184 cpfseq EEDATA ; Compare with last version | |
| 185 bra restart_01 ; New CF, show warning and store new number | |
| 186 bra restart_1 ; No new CF, continue with boot | |
| 187 restart_01: | |
| 188 ; Save new number of current CF count | |
| 189 rcall display_new_cf_installed; Show warning | |
| 190 movlw max_custom_number ; Defined in definitions.asm | |
| 191 movwf EEDATA | |
| 192 write_int_eeprom d'92' ; Store number of CF used in this firmware | |
| 193 | |
| 194 restart_1: | |
| 195 | |
| 196 ; Set Debug mode? | |
| 197 read_int_eeprom d'39' | |
| 198 bsf debug_mode | |
| 199 movlw d'1' | |
| 200 cpfseq EEDATA | |
| 201 bcf debug_mode ; clear flag if <> 1 | |
| 202 | |
| 203 goto surfloop ; Jump to Surfaceloop! | |
| 204 | |
| 205 | |
| 206 display_new_cf_installed: | |
| 207 call PLED_new_cf_warning ; Display new CF warning screen | |
| 208 movlw d'20' ; timeout for warning screen | |
| 209 bra startup_screen3a ; Will RETURN after timeout or button press | |
| 197 | 210 |
| 211 ;============================================================================= | |
| 212 ; Setup all flags and parameters for divemode and simulator computations. | |
| 213 ; | |
| 214 restart_set_modes_and_flags: ; "Call"ed from divemode, as well! | |
| 0 | 215 bcf gauge_mode |
| 216 bcf FLAG_const_ppO2_mode | |
| 217 bcf FLAG_apnoe_mode | |
| 45 | 218 |
| 219 ; Pre-load modes for OC, GF 90/90 and no Aponoe or Gauge. | |
| 197 | 220 bcf no_deco_customviews ; Clear no-deco-mode-flag |
| 45 | 221 movlw d'0' |
| 197 | 222 movff WREG,char_I_deco_model ; Clear Flagbyte |
| 45 | 223 ; Load GF values into RAM |
| 224 movlw d'90' | |
| 197 | 225 movff WREG,char_I_GF_Low_percentage |
| 226 movff WREG,char_I_GF_High_percentage ; Set to 90/90... | |
| 0 | 227 clrf EEADRH |
| 197 | 228 read_int_eeprom d'34' ; Read deco data |
| 229 movlw d'1' ; Gauge mode | |
| 0 | 230 cpfseq EEDATA |
| 197 | 231 bra restart_3_test_ppO2_mode ; check for ppO2 mode |
| 232 bsf gauge_mode ; Set flag for gauge mode | |
| 233 bsf no_deco_customviews ; Set no-deco-mode-flag | |
| 234 return ; start in Surfacemode | |
| 0 | 235 restart_3_test_ppO2_mode: |
| 197 | 236 movlw d'2' ; const ppO2 mode |
| 0 | 237 cpfseq EEDATA |
| 197 | 238 bra restart_3_test_apnoe_mode; check for apnoe mode |
| 239 bsf FLAG_const_ppO2_mode ; Set flag for ppO2 mode | |
| 240 return ; start in Surfacemode | |
| 0 | 241 restart_3_test_apnoe_mode: |
| 197 | 242 movlw d'3' ; Apnoe mode |
| 0 | 243 cpfseq EEDATA |
| 197 | 244 bra restart_4_test_gf_mode ; check for GF OC mode |
| 245 bsf FLAG_apnoe_mode ; Set flag for Apnoe Mode | |
| 246 bsf no_deco_customviews ; Set no-deco-mode-flag | |
| 247 return ; start in Surfacemode | |
| 0 | 248 restart_4_test_gf_mode: |
| 197 | 249 movlw d'4' ; GF OC mode |
| 0 | 250 cpfseq EEDATA |
| 197 | 251 bra restart_5_test_gfO2_mode ; check for GF CC mode |
| 0 | 252 movlw d'1' |
| 197 | 253 movff WREG,char_I_deco_model ; Set Flagbyte for GF method |
| 45 | 254 ; Load GF values into RAM |
| 197 | 255 GETCUSTOM8 d'32' ; GF low |
| 256 movff EEDATA,char_I_GF_Low_percentage | |
| 257 GETCUSTOM8 d'33' ; GF high | |
| 258 movff EEDATA,char_I_GF_High_percentage | |
| 259 return ; start in Surfacemode | |
| 0 | 260 restart_5_test_gfO2_mode: |
| 197 | 261 movlw d'5' ; GF CC mode |
| 0 | 262 cpfseq EEDATA |
| 197 | 263 return ; Start in Surfacemode |
| 264 bsf FLAG_const_ppO2_mode ; Set flag for ppO2 mode | |
| 0 | 265 movlw d'1' |
| 197 | 266 movff WREG,char_I_deco_model ; Set Flagbyte for GF method |
| 137 | 267 ; Load GF values into RAM |
| 197 | 268 GETCUSTOM8 d'32' ; GF low |
| 163 | 269 movff EEDATA,char_I_GF_Low_percentage |
| 197 | 270 GETCUSTOM8 d'33' ; GF high |
| 163 | 271 movff EEDATA,char_I_GF_High_percentage |
| 197 | 272 return ; start in Surfacemode |
| 273 | |
| 274 ;============================================================================= | |
| 0 | 275 |
| 276 startup_screen1: | |
| 277 call PLED_ClearScreen | |
| 278 call PLED_startupscreen1 ; show startup sreen | |
| 279 startup_screen1_2: | |
| 280 movlw d'10' ; timeout for startup screen | |
| 281 movwf temp1 | |
| 282 WAITMS d'200' | |
| 283 bcf switch_left | |
| 284 bcf switch_right | |
| 285 screen1_loop: | |
| 286 btfsc onesecupdate ; do every second tasks? | |
| 287 call set_dive_modes ; tests if depth>threshold | |
| 288 btfsc onesecupdate ; do every second tasks? | |
| 289 decf temp1,F | |
| 290 bcf onesecupdate ; every second tasks done | |
| 291 | |
| 292 tstfsz temp1 ; timout occured? | |
| 293 bra screen1_loop2 ; no | |
| 294 return | |
| 295 | |
| 296 screen1_loop2: | |
| 297 btfsc divemode ; Divemode active? | |
| 298 return | |
| 299 btfsc switch_left ; Ack? | |
| 300 return | |
| 301 btfsc switch_right ; Ack? | |
| 302 return | |
| 303 bra screen1_loop ; loop screen | |
| 304 | |
| 305 startup_screen2: | |
| 306 call PLED_ClearScreen ; Page 1 | |
| 307 call PLED_startupscreen2 ; show startup sreen | |
| 308 bra startup_screen1_2 | |
| 309 | |
| 310 startup_screen3a:; WARNING: Also used for decodescriptions and CF Warning screen! | |
| 311 movwf temp1 | |
| 312 WAITMS d'200' | |
| 313 bcf switch_left | |
| 314 bcf switch_right | |
| 315 screen3_loop: | |
| 316 btfsc onesecupdate ; do every second tasks? | |
| 317 call set_dive_modes ; tests if depth>threshold | |
| 318 | |
| 319 btfsc onesecupdate ; do every second tasks? | |
| 320 decf temp1,F | |
| 321 bcf onesecupdate ; every second tasks done | |
| 322 | |
| 323 tstfsz temp1 ; timout occured? | |
| 324 bra screen3_loop2 ; no | |
| 325 return | |
| 326 screen3_loop2: | |
| 327 btfsc switch_left ; Ack? | |
| 328 return | |
| 329 btfsc switch_right ; Ack? | |
| 330 return | |
| 331 bra screen3_loop ; loop screen | |
| 332 | |
| 333 init: | |
| 334 movlw b'01101100' ; 4MHz (x4 PLL) | |
| 335 movwf OSCCON | |
| 336 | |
| 337 movlw b'00010001' ; I/O Ports | |
| 338 movwf TRISA | |
| 339 clrf PORTA | |
| 340 movlw b'00000011' | |
| 341 movwf TRISB | |
| 342 clrf PORTB | |
| 343 movlw b'11011101' ; UART | |
| 344 movwf TRISC | |
| 345 clrf PORTC | |
| 346 movlw b'00000000' | |
| 347 movwf TRISE | |
| 348 clrf PORTE | |
| 349 movlw b'00000000' | |
| 350 movwf TRISD | |
| 351 clrf PORTD | |
| 352 | |
| 353 movlw b'01000000' ; Bit6: PPL enable | |
| 354 movwf OSCTUNE | |
| 355 | |
| 356 movlw b'00011111' ; Timer0 | |
| 357 movwf T0CON | |
| 358 | |
| 359 movlw b'00000111' ; Timer1 | |
| 360 movwf T1CON | |
| 361 | |
| 362 movlw b'11010000' ; Interrups | |
| 363 movwf INTCON | |
| 364 movlw b'00000101' | |
| 365 movwf INTCON2 | |
| 366 movlw b'00001000' | |
| 367 movwf INTCON3 | |
| 368 movlw b'00100001' | |
| 369 movwf PIE1 | |
| 370 movlw b'00000000' | |
| 371 movwf PIE2 | |
| 372 clrf RCON | |
| 373 | |
| 374 movlw b'00000000' ; A/D Converter | |
| 375 movwf ADCON0 | |
| 376 movlw b'00001110' | |
| 377 movwf ADCON1 | |
| 378 movlw b'10001010' ; Right justified | |
| 379 movwf ADCON2 | |
| 380 | |
| 381 clrf SSPCON1 ; Set I²C Mode | |
| 382 movlw b'00000000' | |
| 383 movwf SSPSTAT | |
| 384 movlw b'00101000' | |
| 385 movwf SSPCON1 | |
| 386 movlw b'00000000' | |
| 387 movwf SSPCON2 | |
| 388 movlw d'8' ; 400kHz I2C clock @ 16MHz Fcy | |
| 389 movwf SSPADD | |
| 390 | |
| 391 clrf CCP1CON ; PWM Module off | |
| 392 clrf ECCP1CON ; PWM Module off | |
| 393 | |
| 394 movlw b'00000111' ; Comperator Module off | |
| 395 movwf CMCON | |
| 396 | |
| 397 movlw b'00100000' | |
| 398 movwf CANCON ; ECAN Module OFF | |
| 399 | |
| 400 movlw b'00100100' ; UART | |
| 401 movwf TXSTA | |
| 402 movlw b'10010000' | |
| 403 movwf RCSTA | |
| 404 movlw b'00001000' | |
| 405 movwf BAUDCON | |
| 406 clrf SPBRGH | |
| 407 movlw d'34' | |
| 408 movwf SPBRG | |
| 409 clrf RCREG | |
| 410 clrf PIR1 | |
| 411 return |