Mercurial > public > mk2
annotate code_part1/OSTC_code_asm_part1/start.asm @ 695:5bf4f526f552
... minor cleanups ...
author | JeanDo |
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date | Wed, 13 Feb 2013 10:36:28 +0100 |
parents | aebb6d039249 |
children | 8c293e76a517 |
rev | line source |
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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 | |
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 | |
47 | |
48 bcf pressure_refresh | |
49 wait_start_pressure: | |
50 btfss pressure_refresh ; Air pressure compensation | |
51 bra wait_start_pressure | |
52 | |
53 clrf rel_pressure+0 | |
54 clrf rel_pressure+1 | |
55 clrf surface_interval+0 | |
56 clrf surface_interval+1 | |
57 | |
58 bsf sleepmode ; Routine only works in sleepmode... | |
59 call pressuretest_sleep_fast ; Gets pressure without averaging (faster!) | |
60 bcf sleepmode ; Normal mode again | |
233 | 61 |
521 | 62 ; Extra power-up reset (JeanDo emulator) |
63 Ifdef TESTING | |
64 call reset_gases | |
65 call reset_all_cf | |
66 call reset_external_eeprom | |
67 | |
68 movlw LOW(.1000) | |
69 movwf amb_pressure+0 | |
70 movlw HIGH(.1000) | |
71 movwf amb_pressure+1 | |
72 Endif | |
73 | |
74 ; Get real pressure (if not in emulator mode) | |
75 Ifndef TESTING | |
507 | 76 SAFE_2BYTE_COPY amb_pressure_avg, amb_pressure ; copy for compatibility |
77 Endif | |
78 | |
79 movff amb_pressure+0,last_surfpressure+0 | |
80 movff amb_pressure+1,last_surfpressure+1 | |
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81 movff last_surfpressure+0,last_surfpressure_15min+0 |
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82 movff last_surfpressure+1,last_surfpressure_15min+1 |
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83 movff last_surfpressure+0,last_surfpressure_30min+0 |
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84 movff last_surfpressure+1,last_surfpressure_30min+1 ; Rests all airpressure registers |
0 | 85 |
86 ; reset deco data | |
236 | 87 ostc_debug '0' ; Sends debug-information to screen if debugmode active |
88 | |
0 | 89 movlw d'79' ; 79% N2 |
197 | 90 movff WREG,char_I_N2_ratio ; No He at the Surface |
236 | 91 clrf WREG ; Use as buffer |
92 movff WREG,char_I_He_ratio ; No He at the Surface | |
93 movff WREG,char_I_step_is_1min ; 2 second deco mode | |
94 GETCUSTOM8 d'11' ; Saturation multiplier % | |
95 movff WREG,char_I_saturation_multiplier | |
96 GETCUSTOM8 d'12' ; Desaturation multiplier % | |
97 movff WREG,char_I_desaturation_multiplier | |
507 | 98 movff amb_pressure+0,int_I_pres_respiration+0 ; copy for deco routine |
99 movff amb_pressure+1,int_I_pres_respiration+1 | |
100 movff int_I_pres_respiration+0,int_I_pres_surface+0 ; copy for desat routine | |
341
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101 movff int_I_pres_respiration+1,int_I_pres_surface+1 |
0 | 102 |
513 | 103 call deco_clear_tissue |
104 movlb b'00000001' ; select ram bank 1 | |
105 | |
508
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106 call divemode_check_decogases ; Setup N2/He ratio array |
520
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BUGFIX bank1 error, deco_calc_wo_deco done twice in start routine.
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107 |
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108 call calc_deko_surfmode ; calculate desaturation for one minute |
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109 |
116 | 110 call deco_calc_desaturation_time ; calculate desaturation time |
111 call deco_clear_CNS_fraction ; clear CNS | |
520
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112 movlb b'00000001' ; select ram bank 1 |
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113 |
412 | 114 clrf nofly_time+0 ; Reset NoFly |
115 clrf nofly_time+1 ; Reset NoFly | |
116 bcf nofly_active ; Clear flag | |
0 | 117 |
118 ; check firmware and reset Custom Functions after an update | |
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119 movlw d'1' |
0 | 120 movwf EEADR |
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121 movlw d'1' |
0 | 122 movwf EEADRH |
123 call read_eeprom ; read current version x | |
124 movff EEDATA,temp1 | |
125 incf EEADR,F ; set to 0x102 | |
126 call read_eeprom ; read current version y | |
127 movff EEDATA,temp2 | |
128 clrf EEADRH ; Reset EEADRH | |
129 | |
130 movlw softwareversion_x | |
131 cpfseq temp1 ; compare version x | |
132 bra check_firmware_new ; is not equal -> reset CF and store new version in EEPROM | |
133 | |
134 movlw softwareversion_y | |
135 cpfseq temp2 ; compare version y | |
136 bra check_firmware_new ; is not equal -> reset CF and store new version in EEPROM | |
137 bra restart ; x and y are equal -> do not reset cf | |
138 | |
139 check_firmware_new: | |
384
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140 movlw d'1' ; store current version in EEPROM |
0 | 141 movwf EEADR |
384
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142 movlw d'1' |
0 | 143 movwf EEADRH |
144 movlw softwareversion_x | |
145 movwf EEDATA | |
146 call write_eeprom ; write version x | |
147 incf EEADR,F ; set to 0x102 | |
148 movlw softwareversion_y | |
149 movwf EEDATA | |
150 call write_eeprom ; write version y | |
151 clrf EEADRH ; Reset EEADRH | |
392 | 152 |
500 | 153 ; After update resets |
154 ; Reset brightness to ECO | |
578 | 155 movlw LOW 0x103 |
500 | 156 movwf EEADR |
578 | 157 movlw HIGH 0x103 |
681 | 158 movwf EEADRH ; DISPLAY brightness (=0: Eco, =1: High) |
500 | 159 movlw .0 |
160 movwf EEDATA | |
161 call write_eeprom ; write byte | |
649 | 162 clrf EEADRH ; Reset EEADRH |
163 | |
0 | 164 restart: |
390 | 165 movlw b'00000011' |
166 movwf T3CON ; Timer3 with 32768Hz clock running | |
167 clrf TMR3L | |
537 | 168 nop |
390 | 169 clrf TMR3H |
21 | 170 bcf LED_red |
171 bcf LED_blue ; all LEDs off | |
43 | 172 GETCUSTOM8 d'48' ; time correction value |
173 movff WREG, time_correction_value ; store in Bank0 register | |
15 | 174 |
175 clrf flag1 ; clear all flags | |
176 clrf flag2 | |
177 clrf flag3 | |
178 clrf flag4 | |
179 clrf flag5 | |
180 clrf flag6 | |
181 clrf flag7 | |
182 clrf flag8 | |
183 clrf flag9 | |
184 clrf flag10 | |
185 clrf flag11 | |
186 clrf flag12 | |
187 clrf flag13 | |
188 clrf flag14 | |
189 clrf flag15 | |
153 | 190 |
169
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191 ; Should we set win_flip_screen ? |
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192 bsf flag1,0 ; Precondition to yes |
153 | 193 clrf EEADRH ; Reset EEADRH |
194 read_int_eeprom d'1' | |
195 movlw .7 | |
169
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196 cpfsgt EEDATA ; serial > 2048 (Mk2n hardware) ? |
153 | 197 bcf flag1,0 |
169
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198 incf EEDATA,W ; serial == 65535 (emulation) ? |
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199 btfsc STATUS,Z |
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200 bcf flag1,0 |
153 | 201 movff flag1,win_flags ; store in Bank0 register |
202 clrf flag1 ; Clear flag1 (again) | |
239 | 203 |
204 ; Select high altitude (Fly) mode? | |
205 movff last_surfpressure_30min+0,sub_b+0 | |
206 movff last_surfpressure_30min+1,sub_b+1 | |
207 movlw HIGH d'880' | |
208 movwf sub_a+1 | |
209 movlw LOW d'880' ; Hard-wired 880mBar | |
210 movwf sub_a+0 | |
211 call sub16 ; sub_c = sub_a - sub_b | |
212 btfss neg_flag ; Result negative (Ambient>880mBar)? | |
213 bsf high_altitude_mode ; No, Set Flag! | |
169
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214 |
142 | 215 call gassetup_sort_gaslist ; Sorts Gaslist according to change depth |
0 | 216 WIN_TOP .0 |
217 WIN_LEFT .0 | |
218 WIN_FONT FT_SMALL | |
219 WIN_INVERT .0 ; Init new Wordprocessor | |
83
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220 setf WREG |
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221 movff WREG,win_color1 ; Beware: win_color1 is bank0, and we are bank1 currently |
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222 movff WREG,win_color2 |
0 | 223 call I2CReset ; Just in Case any I2C device blocks the Bus |
224 movff last_surfpressure_30min+0,last_surfpressure+0 ; Use 30min old airpressure | |
225 movff last_surfpressure_30min+1,last_surfpressure+1 ; Use 30min old airpressure | |
226 | |
227 ; Check if new CF were added in the last firmware version | |
228 clrf EEADRH | |
229 read_int_eeprom d'92' ; Read number of CF used in this firmware | |
230 movlw max_custom_number ; Defined in definitions.asm | |
231 cpfseq EEDATA ; Compare with last version | |
605 | 232 bra restart1 ; New CF, show warning and store new number |
233 bra restart2 ; No new CF, continue with boot | |
234 | |
235 restart1: | |
622 | 236 ; Reset all CF and Gases |
237 call reset_gases | |
677
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Set CF17 (ppo2_warning_low) low level to 0.16bar
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238 ; call reset_all_cf |
605 | 239 ; Show info screen |
681 | 240 call DISPLAY_boot ; DISP boot (Incl. Clear Screen!) |
605 | 241 rcall display_new_cf_installed; Show info screen |
0 | 242 ; Save new number of current CF count |
243 movlw max_custom_number ; Defined in definitions.asm | |
244 movwf EEDATA | |
245 write_int_eeprom d'92' ; Store number of CF used in this firmware | |
246 | |
605 | 247 restart2: |
0 | 248 ; Set Debug mode? |
249 read_int_eeprom d'39' | |
250 bsf debug_mode | |
251 movlw d'1' | |
252 cpfseq EEDATA | |
253 bcf debug_mode ; clear flag if <> 1 | |
254 | |
362
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Logbook converter (Needs ~8Minutes and is called one time). Backup your dives before use!!
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255 ; Check if logbook has been converted already (Internal EEPROM 0x100=0xAA) |
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256 movlw LOW 0x100 |
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Logbook converter (Needs ~8Minutes and is called one time). Backup your dives before use!!
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257 movwf EEADR |
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Logbook converter (Needs ~8Minutes and is called one time). Backup your dives before use!!
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258 movlw HIGH 0x100 |
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259 movwf EEADRH |
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260 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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261 movlw 0xAA |
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262 cpfseq EEDATA ; is 0xAA already? |
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263 call logbook_convert_64k ; No, convert now (And write 0xAA to internal EEPROM 0x100) |
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264 |
681 | 265 ; Set DISPLAY brightness flag |
578 | 266 movlw LOW 0x103 |
499
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267 movwf EEADR |
578 | 268 movlw HIGH 0x103 |
681 | 269 movwf EEADRH ; DISPLAY brightness (=0: Eco, =1: High) |
499
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270 call read_eeprom ; read byte |
681 | 271 bcf DISPLAY_brightness_high ; Eco mode |
499
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272 movlw .0 |
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273 cpfseq EEDATA ; High? |
681 | 274 bsf DISPLAY_brightness_high ; Yes! |
499
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275 |
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276 clrf EEADRH ; Reset EEADRH |
0 | 277 goto surfloop ; Jump to Surfaceloop! |
278 | |
279 | |
280 display_new_cf_installed: | |
681 | 281 call DISP_new_cf_warning ; Display new CF warning screen |
0 | 282 movlw d'20' ; timeout for warning screen |
283 bra startup_screen3a ; Will RETURN after timeout or button press | |
197 | 284 |
285 ;============================================================================= | |
286 ; Setup all flags and parameters for divemode and simulator computations. | |
287 ; | |
288 restart_set_modes_and_flags: ; "Call"ed from divemode, as well! | |
0 | 289 bcf gauge_mode |
290 bcf FLAG_const_ppO2_mode | |
291 bcf FLAG_apnoe_mode | |
45 | 292 |
293 ; Pre-load modes for OC, GF 90/90 and no Aponoe or Gauge. | |
197 | 294 bcf no_deco_customviews ; Clear no-deco-mode-flag |
45 | 295 movlw d'0' |
469 | 296 movff WREG,char_I_deco_model ; ZH-L16 |
45 | 297 ; Load GF values into RAM |
298 movlw d'90' | |
197 | 299 movff WREG,char_I_GF_Low_percentage |
300 movff WREG,char_I_GF_High_percentage ; Set to 90/90... | |
0 | 301 clrf EEADRH |
197 | 302 read_int_eeprom d'34' ; Read deco data |
303 movlw d'1' ; Gauge mode | |
0 | 304 cpfseq EEDATA |
197 | 305 bra restart_3_test_ppO2_mode ; check for ppO2 mode |
306 bsf gauge_mode ; Set flag for gauge mode | |
307 bsf no_deco_customviews ; Set no-deco-mode-flag | |
308 return ; start in Surfacemode | |
0 | 309 restart_3_test_ppO2_mode: |
197 | 310 movlw d'2' ; const ppO2 mode |
0 | 311 cpfseq EEDATA |
197 | 312 bra restart_3_test_apnoe_mode; check for apnoe mode |
313 bsf FLAG_const_ppO2_mode ; Set flag for ppO2 mode | |
314 return ; start in Surfacemode | |
0 | 315 restart_3_test_apnoe_mode: |
197 | 316 movlw d'3' ; Apnoe mode |
0 | 317 cpfseq EEDATA |
197 | 318 bra restart_4_test_gf_mode ; check for GF OC mode |
319 bsf FLAG_apnoe_mode ; Set flag for Apnoe Mode | |
320 bsf no_deco_customviews ; Set no-deco-mode-flag | |
321 return ; start in Surfacemode | |
0 | 322 restart_4_test_gf_mode: |
197 | 323 movlw d'4' ; GF OC mode |
0 | 324 cpfseq EEDATA |
197 | 325 bra restart_5_test_gfO2_mode ; check for GF CC mode |
0 | 326 movlw d'1' |
197 | 327 movff WREG,char_I_deco_model ; Set Flagbyte for GF method |
45 | 328 ; Load GF values into RAM |
667 | 329 rcall restart_load_gf |
197 | 330 return ; start in Surfacemode |
0 | 331 restart_5_test_gfO2_mode: |
197 | 332 movlw d'5' ; GF CC mode |
0 | 333 cpfseq EEDATA |
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334 bra restart_5_test_pSCR_mode ; check for pSCR-GF |
197 | 335 bsf FLAG_const_ppO2_mode ; Set flag for ppO2 mode |
0 | 336 movlw d'1' |
197 | 337 movff WREG,char_I_deco_model ; Set Flagbyte for GF method |
137 | 338 ; Load GF values into RAM |
667 | 339 rcall restart_load_gf |
197 | 340 return ; start in Surfacemode |
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341 restart_5_test_pSCR_mode: |
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342 movlw d'6' ; pSCR-GF |
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343 cpfseq EEDATA |
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344 return ; start in Surfacemode |
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345 bcf FLAG_const_ppO2_mode ; Clear flag for ppO2 mode |
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346 movlw d'1' |
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347 movff WREG,char_I_deco_model ; Set Flagbyte for GF method |
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348 ; Load GF values into RAM |
667 | 349 rcall restart_load_gf |
350 return ; start in Surfacemode | |
351 | |
352 restart_load_gf: | |
668 | 353 btfsc use_aGF |
667 | 354 bra restart_load_gf2 ; Use aGf |
355 ; Use normal GF | |
356 ; Load GF values into RAM | |
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357 GETCUSTOM8 d'32' ; GF low |
667 | 358 movff EEDATA,char_I_GF_Low_percentage |
592
cda5b45b953f
NEW: Deco mode "pSCR-GF": Computes deco and CNS based on pSCR parameters (CF62/63)
heinrichsweikamp
parents:
578
diff
changeset
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359 GETCUSTOM8 d'33' ; GF high |
667 | 360 movff EEDATA,char_I_GF_High_percentage |
361 return ; Done. | |
362 restart_load_gf2: ; Use aGf | |
363 ; Load GF values into RAM | |
364 GETCUSTOM8 d'67' ; aGF low | |
365 movff EEDATA,char_I_GF_Low_percentage | |
366 GETCUSTOM8 d'68' ; aGF high | |
367 movff EEDATA,char_I_GF_High_percentage | |
368 return ; Done. | |
369 | |
592
cda5b45b953f
NEW: Deco mode "pSCR-GF": Computes deco and CNS based on pSCR parameters (CF62/63)
heinrichsweikamp
parents:
578
diff
changeset
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370 |
197 | 371 ;============================================================================= |
0 | 372 |
373 startup_screen1: | |
681 | 374 call DISP_ClearScreen |
375 call DISP_startupscreen1 ; show startup sreen | |
0 | 376 startup_screen1_2: |
377 movlw d'10' ; timeout for startup screen | |
378 movwf temp1 | |
379 WAITMS d'200' | |
576 | 380 call wait_switches ; Waits until switches are released, resets flag if button stays pressed! |
0 | 381 screen1_loop: |
337 | 382 btfsc uart_dump_screen ; Asked to dump screen contains ? |
383 call dump_screen ; Yes! | |
384 | |
0 | 385 btfsc onesecupdate ; do every second tasks? |
386 call set_dive_modes ; tests if depth>threshold | |
387 btfsc onesecupdate ; do every second tasks? | |
388 decf temp1,F | |
389 bcf onesecupdate ; every second tasks done | |
390 | |
391 tstfsz temp1 ; timout occured? | |
392 bra screen1_loop2 ; no | |
393 return | |
394 | |
395 screen1_loop2: | |
396 btfsc divemode ; Divemode active? | |
397 return | |
398 btfsc switch_left ; Ack? | |
399 return | |
400 btfsc switch_right ; Ack? | |
401 return | |
402 bra screen1_loop ; loop screen | |
403 | |
404 startup_screen2: | |
681 | 405 call DISP_ClearScreen ; Page 1 |
406 call DISP_startupscreen2 ; show startup sreen | |
0 | 407 bra startup_screen1_2 |
408 | |
409 startup_screen3a:; WARNING: Also used for decodescriptions and CF Warning screen! | |
410 movwf temp1 | |
411 WAITMS d'200' | |
576 | 412 call wait_switches ; Waits until switches are released, resets flag if button stays pressed! |
0 | 413 screen3_loop: |
337 | 414 btfsc uart_dump_screen ; Asked to dump screen contains ? |
415 call dump_screen ; Yes! | |
416 | |
0 | 417 btfsc onesecupdate ; do every second tasks? |
418 call set_dive_modes ; tests if depth>threshold | |
419 | |
420 btfsc onesecupdate ; do every second tasks? | |
421 decf temp1,F | |
422 bcf onesecupdate ; every second tasks done | |
423 | |
424 tstfsz temp1 ; timout occured? | |
425 bra screen3_loop2 ; no | |
426 return | |
427 screen3_loop2: | |
428 btfsc switch_left ; Ack? | |
429 return | |
430 btfsc switch_right ; Ack? | |
431 return | |
432 bra screen3_loop ; loop screen | |
433 | |
337 | 434 ;============================================================================= |
435 | |
306 | 436 first_start: |
437 movlw max_custom_number ; Defined in definitions.asm | |
438 movwf EEDATA | |
439 write_int_eeprom d'92' ; Store number of CF used in this firmware | |
440 bra start3 ; continue with normal start | |
441 | |
0 | 442 init: |
466 | 443 movlw OSCCON_VALUE |
0 | 444 movwf OSCCON |
445 | |
446 movlw b'00010001' ; I/O Ports | |
447 movwf TRISA | |
448 clrf PORTA | |
449 movlw b'00000011' | |
450 movwf TRISB | |
451 clrf PORTB | |
452 movlw b'11011101' ; UART | |
453 movwf TRISC | |
454 clrf PORTC | |
455 movlw b'00000000' | |
456 movwf TRISE | |
457 clrf PORTE | |
458 movlw b'00000000' | |
459 movwf TRISD | |
460 clrf PORTD | |
461 | |
462 movlw b'01000000' ; Bit6: PPL enable | |
463 movwf OSCTUNE | |
464 | |
466 | 465 movlw T0CON_VALUE ; Timer0 |
0 | 466 movwf T0CON |
467 | |
468 movlw b'00000111' ; Timer1 | |
469 movwf T1CON | |
470 | |
471 movlw b'11010000' ; Interrups | |
472 movwf INTCON | |
473 movlw b'00000101' | |
474 movwf INTCON2 | |
475 movlw b'00001000' | |
476 movwf INTCON3 | |
477 movlw b'00100001' | |
478 movwf PIE1 | |
479 movlw b'00000000' | |
480 movwf PIE2 | |
481 clrf RCON | |
482 | |
483 movlw b'00000000' ; A/D Converter | |
484 movwf ADCON0 | |
485 movlw b'00001110' | |
486 movwf ADCON1 | |
487 movlw b'10001010' ; Right justified | |
488 movwf ADCON2 | |
489 | |
490 clrf SSPCON1 ; Set I²C Mode | |
537 | 491 movlw SSPSTAT_VALUE |
0 | 492 movwf SSPSTAT |
493 movlw b'00101000' | |
494 movwf SSPCON1 | |
495 movlw b'00000000' | |
496 movwf SSPCON2 | |
466 | 497 movlw SSPADD_VALUE ; I²C Speed |
0 | 498 movwf SSPADD |
499 | |
500 clrf CCP1CON ; PWM Module off | |
501 clrf ECCP1CON ; PWM Module off | |
502 | |
503 movlw b'00000111' ; Comperator Module off | |
504 movwf CMCON | |
505 | |
506 movlw b'00100000' | |
507 movwf CANCON ; ECAN Module OFF | |
508 | |
509 movlw b'00100100' ; UART | |
510 movwf TXSTA | |
511 movlw b'10010000' | |
512 movwf RCSTA | |
513 movlw b'00001000' | |
514 movwf BAUDCON | |
515 clrf SPBRGH | |
466 | 516 movlw SPBRG_VALUE |
0 | 517 movwf SPBRG |
518 clrf RCREG | |
519 clrf PIR1 | |
520 return |