Mercurial > public > mk2
annotate code_part1/OSTC_code_asm_part1/start.asm @ 514:3e9904d3c040
BUGFIX spurious CNS bound check.
author | JeanDo |
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date | Sun, 04 Dec 2011 17:46:13 +0100 |
parents | c9f19a546e64 |
children | acf4776eec08 |
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 | |
119 | 27 movff STKPTR,temp10 |
235 | 28 clrf temp10+1 |
0 | 29 call init |
30 btfsc divemode ; Reset from Divemode? | |
31 call PLED_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 |
507 | 62 Ifdef TESTING |
63 movlw LOW(.1000) | |
64 movwf amb_pressure+0 | |
65 movlw HIGH(.1000) | |
66 movwf amb_pressure+1 | |
67 Else | |
68 SAFE_2BYTE_COPY amb_pressure_avg, amb_pressure ; copy for compatibility | |
69 Endif | |
70 | |
71 movff amb_pressure+0,last_surfpressure+0 | |
72 movff amb_pressure+1,last_surfpressure+1 | |
341
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73 movff last_surfpressure+0,last_surfpressure_15min+0 |
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BUGFIX protect against ISR changing pressure/temperature while reading it.
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74 movff last_surfpressure+1,last_surfpressure_15min+1 |
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BUGFIX protect against ISR changing pressure/temperature while reading it.
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75 movff last_surfpressure+0,last_surfpressure_30min+0 |
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BUGFIX protect against ISR changing pressure/temperature while reading it.
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76 movff last_surfpressure+1,last_surfpressure_30min+1 ; Rests all airpressure registers |
0 | 77 |
78 ; reset deco data | |
236 | 79 ostc_debug '0' ; Sends debug-information to screen if debugmode active |
80 | |
0 | 81 movlw d'79' ; 79% N2 |
197 | 82 movff WREG,char_I_N2_ratio ; No He at the Surface |
236 | 83 clrf WREG ; Use as buffer |
84 movff WREG,char_I_He_ratio ; No He at the Surface | |
85 movff WREG,char_I_step_is_1min ; 2 second deco mode | |
86 GETCUSTOM8 d'11' ; Saturation multiplier % | |
87 movff WREG,char_I_saturation_multiplier | |
88 GETCUSTOM8 d'12' ; Desaturation multiplier % | |
89 movff WREG,char_I_desaturation_multiplier | |
507 | 90 movff amb_pressure+0,int_I_pres_respiration+0 ; copy for deco routine |
91 movff amb_pressure+1,int_I_pres_respiration+1 | |
92 movff int_I_pres_respiration+0,int_I_pres_surface+0 ; copy for desat routine | |
341
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93 movff int_I_pres_respiration+1,int_I_pres_surface+1 |
0 | 94 |
507 | 95 ; Extra power-up reset (JeanDo) |
96 ifdef TESTING | |
97 call reset_gases | |
98 call reset_all_cf | |
99 endif | |
100 | |
513 | 101 call deco_clear_tissue |
102 movlb b'00000001' ; select ram bank 1 | |
103 | |
508
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BUGFIX char_I_(N2_ratio/He_ratio) array not inited at boot time
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104 call divemode_check_decogases ; Setup N2/He ratio array |
116 | 105 call deco_calc_desaturation_time ; calculate desaturation time |
106 call deco_clear_CNS_fraction ; clear CNS | |
0 | 107 call calc_deko_surfmode ; calculate desaturation every minute |
116 | 108 call deco_calc_wo_deco_step_1_min ; calculate deco in surface mode |
0 | 109 movlb b'00000001' ; select ram bank 1 |
412 | 110 clrf nofly_time+0 ; Reset NoFly |
111 clrf nofly_time+1 ; Reset NoFly | |
112 bcf nofly_active ; Clear flag | |
0 | 113 |
114 ; check firmware and reset Custom Functions after an update | |
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115 movlw d'1' |
0 | 116 movwf EEADR |
384
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117 movlw d'1' |
0 | 118 movwf EEADRH |
119 call read_eeprom ; read current version x | |
120 movff EEDATA,temp1 | |
121 incf EEADR,F ; set to 0x102 | |
122 call read_eeprom ; read current version y | |
123 movff EEDATA,temp2 | |
124 clrf EEADRH ; Reset EEADRH | |
125 | |
126 movlw softwareversion_x | |
127 cpfseq temp1 ; compare version x | |
128 bra check_firmware_new ; is not equal -> reset CF and store new version in EEPROM | |
129 | |
130 movlw softwareversion_y | |
131 cpfseq temp2 ; compare version y | |
132 bra check_firmware_new ; is not equal -> reset CF and store new version in EEPROM | |
133 bra restart ; x and y are equal -> do not reset cf | |
134 | |
135 check_firmware_new: | |
384
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136 movlw d'1' ; store current version in EEPROM |
0 | 137 movwf EEADR |
384
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138 movlw d'1' |
0 | 139 movwf EEADRH |
140 movlw softwareversion_x | |
141 movwf EEDATA | |
142 call write_eeprom ; write version x | |
143 incf EEADR,F ; set to 0x102 | |
144 movlw softwareversion_y | |
145 movwf EEDATA | |
146 call write_eeprom ; write version y | |
147 clrf EEADRH ; Reset EEADRH | |
392 | 148 |
500 | 149 ; After update resets |
150 ; Reset brightness to ECO | |
151 movlw LOW 0x104 | |
152 movwf EEADR | |
153 movlw HIGH 0x104 | |
154 movwf EEADRH ; OLED brightness (=0: Eco, =1: High) | |
155 movlw .0 | |
156 movwf EEDATA | |
157 call write_eeprom ; write byte | |
158 clrf EEADRH ; Reset EEADRH | |
0 | 159 |
160 restart: | |
390 | 161 movlw b'00000011' |
162 movwf T3CON ; Timer3 with 32768Hz clock running | |
163 clrf TMR3L | |
164 clrf TMR3H | |
21 | 165 bcf LED_red |
166 bcf LED_blue ; all LEDs off | |
43 | 167 GETCUSTOM8 d'48' ; time correction value |
168 movff WREG, time_correction_value ; store in Bank0 register | |
15 | 169 |
170 clrf flag1 ; clear all flags | |
171 clrf flag2 | |
172 clrf flag3 | |
173 clrf flag4 | |
174 clrf flag5 | |
175 clrf flag6 | |
176 clrf flag7 | |
177 clrf flag8 | |
178 clrf flag9 | |
179 clrf flag10 | |
180 clrf flag11 | |
181 clrf flag12 | |
182 clrf flag13 | |
183 clrf flag14 | |
184 clrf flag15 | |
153 | 185 |
169
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186 ; Should we set win_flip_screen ? |
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187 bsf flag1,0 ; Precondition to yes |
153 | 188 clrf EEADRH ; Reset EEADRH |
189 read_int_eeprom d'1' | |
190 movlw .7 | |
169
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191 cpfsgt EEDATA ; serial > 2048 (Mk2n hardware) ? |
153 | 192 bcf flag1,0 |
169
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193 incf EEDATA,W ; serial == 65535 (emulation) ? |
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194 btfsc STATUS,Z |
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195 bcf flag1,0 |
153 | 196 movff flag1,win_flags ; store in Bank0 register |
197 clrf flag1 ; Clear flag1 (again) | |
239 | 198 |
199 ; Select high altitude (Fly) mode? | |
200 movff last_surfpressure_30min+0,sub_b+0 | |
201 movff last_surfpressure_30min+1,sub_b+1 | |
202 movlw HIGH d'880' | |
203 movwf sub_a+1 | |
204 movlw LOW d'880' ; Hard-wired 880mBar | |
205 movwf sub_a+0 | |
206 call sub16 ; sub_c = sub_a - sub_b | |
207 btfss neg_flag ; Result negative (Ambient>880mBar)? | |
208 bsf high_altitude_mode ; No, Set Flag! | |
169
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209 |
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210 ; Should we disable sleep (hardware emulator) |
507 | 211 Ifndef TESTING |
390 | 212 restart_loop: |
213 btfss 0xF81,0,A | |
214 bra restart_loop | |
215 btfss 0xF81,1,A | |
216 bra restart_loop | |
217 movlw 0x80 | |
218 cpfslt 0xFB3,A | |
167 | 219 bsf nsm ; NO-SLEEP-MODE : for hardware debugging |
507 | 220 Endif |
153 | 221 |
142 | 222 call gassetup_sort_gaslist ; Sorts Gaslist according to change depth |
0 | 223 WIN_TOP .0 |
224 WIN_LEFT .0 | |
225 WIN_FONT FT_SMALL | |
226 WIN_INVERT .0 ; Init new Wordprocessor | |
83
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227 setf WREG |
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228 movff WREG,win_color1 ; Beware: win_color1 is bank0, and we are bank1 currently |
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229 movff WREG,win_color2 |
0 | 230 call I2CReset ; Just in Case any I2C device blocks the Bus |
231 movff last_surfpressure_30min+0,last_surfpressure+0 ; Use 30min old airpressure | |
232 movff last_surfpressure_30min+1,last_surfpressure+1 ; Use 30min old airpressure | |
233 | |
234 ; Check if new CF were added in the last firmware version | |
235 clrf EEADRH | |
236 read_int_eeprom d'92' ; Read number of CF used in this firmware | |
237 movlw max_custom_number ; Defined in definitions.asm | |
238 cpfseq EEDATA ; Compare with last version | |
239 bra restart_01 ; New CF, show warning and store new number | |
240 bra restart_1 ; No new CF, continue with boot | |
241 restart_01: | |
242 ; Save new number of current CF count | |
411
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BUGFIX: CNS was not cleared with a "Reset Deco"
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243 call PLED_boot ; PLED boot (Incl. Clear Screen!) |
0 | 244 rcall display_new_cf_installed; Show warning |
245 movlw max_custom_number ; Defined in definitions.asm | |
246 movwf EEDATA | |
247 write_int_eeprom d'92' ; Store number of CF used in this firmware | |
248 | |
249 restart_1: | |
250 | |
251 ; Set Debug mode? | |
252 read_int_eeprom d'39' | |
253 bsf debug_mode | |
254 movlw d'1' | |
255 cpfseq EEDATA | |
256 bcf debug_mode ; clear flag if <> 1 | |
257 | |
362
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Logbook converter (Needs ~8Minutes and is called one time). Backup your dives before use!!
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258 ; Check if logbook has been converted already (Internal EEPROM 0x100=0xAA) |
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259 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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260 movwf EEADR |
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Logbook converter (Needs ~8Minutes and is called one time). Backup your dives before use!!
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261 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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262 movwf EEADRH |
64da813d4726
Logbook converter (Needs ~8Minutes and is called one time). Backup your dives before use!!
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263 call read_eeprom ; read byte |
64da813d4726
Logbook converter (Needs ~8Minutes and is called one time). Backup your dives before use!!
Heinrichsweikamp
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264 movlw 0xAA |
64da813d4726
Logbook converter (Needs ~8Minutes and is called one time). Backup your dives before use!!
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265 cpfseq EEDATA ; is 0xAA already? |
64da813d4726
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266 call logbook_convert_64k ; No, convert now (And write 0xAA to internal EEPROM 0x100) |
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267 |
499
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268 ; Set OLED brightness flag |
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269 movlw LOW 0x104 |
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270 movwf EEADR |
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271 movlw HIGH 0x104 |
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272 movwf EEADRH ; OLED brightness (=0: Eco, =1: High) |
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273 call read_eeprom ; read byte |
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274 bcf oled_brightness_high ; Eco mode |
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275 movlw .0 |
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276 cpfseq EEDATA ; High? |
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277 bsf oled_brightness_high ; Yes! |
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278 |
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279 clrf EEADRH ; Reset EEADRH |
0 | 280 goto surfloop ; Jump to Surfaceloop! |
281 | |
282 | |
283 display_new_cf_installed: | |
284 call PLED_new_cf_warning ; Display new CF warning screen | |
285 movlw d'20' ; timeout for warning screen | |
286 bra startup_screen3a ; Will RETURN after timeout or button press | |
197 | 287 |
288 ;============================================================================= | |
289 ; Setup all flags and parameters for divemode and simulator computations. | |
290 ; | |
291 restart_set_modes_and_flags: ; "Call"ed from divemode, as well! | |
0 | 292 bcf gauge_mode |
293 bcf FLAG_const_ppO2_mode | |
294 bcf FLAG_apnoe_mode | |
45 | 295 |
296 ; Pre-load modes for OC, GF 90/90 and no Aponoe or Gauge. | |
197 | 297 bcf no_deco_customviews ; Clear no-deco-mode-flag |
45 | 298 movlw d'0' |
469 | 299 movff WREG,char_I_deco_model ; ZH-L16 |
45 | 300 ; Load GF values into RAM |
301 movlw d'90' | |
197 | 302 movff WREG,char_I_GF_Low_percentage |
303 movff WREG,char_I_GF_High_percentage ; Set to 90/90... | |
0 | 304 clrf EEADRH |
197 | 305 read_int_eeprom d'34' ; Read deco data |
306 movlw d'1' ; Gauge mode | |
0 | 307 cpfseq EEDATA |
197 | 308 bra restart_3_test_ppO2_mode ; check for ppO2 mode |
309 bsf gauge_mode ; Set flag for gauge mode | |
310 bsf no_deco_customviews ; Set no-deco-mode-flag | |
311 return ; start in Surfacemode | |
0 | 312 restart_3_test_ppO2_mode: |
197 | 313 movlw d'2' ; const ppO2 mode |
0 | 314 cpfseq EEDATA |
197 | 315 bra restart_3_test_apnoe_mode; check for apnoe mode |
316 bsf FLAG_const_ppO2_mode ; Set flag for ppO2 mode | |
317 return ; start in Surfacemode | |
0 | 318 restart_3_test_apnoe_mode: |
197 | 319 movlw d'3' ; Apnoe mode |
0 | 320 cpfseq EEDATA |
197 | 321 bra restart_4_test_gf_mode ; check for GF OC mode |
322 bsf FLAG_apnoe_mode ; Set flag for Apnoe Mode | |
323 bsf no_deco_customviews ; Set no-deco-mode-flag | |
324 return ; start in Surfacemode | |
0 | 325 restart_4_test_gf_mode: |
197 | 326 movlw d'4' ; GF OC mode |
0 | 327 cpfseq EEDATA |
197 | 328 bra restart_5_test_gfO2_mode ; check for GF CC mode |
0 | 329 movlw d'1' |
197 | 330 movff WREG,char_I_deco_model ; Set Flagbyte for GF method |
45 | 331 ; Load GF values into RAM |
197 | 332 GETCUSTOM8 d'32' ; GF low |
333 movff EEDATA,char_I_GF_Low_percentage | |
334 GETCUSTOM8 d'33' ; GF high | |
335 movff EEDATA,char_I_GF_High_percentage | |
336 return ; start in Surfacemode | |
0 | 337 restart_5_test_gfO2_mode: |
197 | 338 movlw d'5' ; GF CC mode |
0 | 339 cpfseq EEDATA |
197 | 340 return ; Start in Surfacemode |
341 bsf FLAG_const_ppO2_mode ; Set flag for ppO2 mode | |
0 | 342 movlw d'1' |
197 | 343 movff WREG,char_I_deco_model ; Set Flagbyte for GF method |
137 | 344 ; Load GF values into RAM |
197 | 345 GETCUSTOM8 d'32' ; GF low |
163 | 346 movff EEDATA,char_I_GF_Low_percentage |
197 | 347 GETCUSTOM8 d'33' ; GF high |
163 | 348 movff EEDATA,char_I_GF_High_percentage |
197 | 349 return ; start in Surfacemode |
350 | |
351 ;============================================================================= | |
0 | 352 |
353 startup_screen1: | |
354 call PLED_ClearScreen | |
355 call PLED_startupscreen1 ; show startup sreen | |
356 startup_screen1_2: | |
357 movlw d'10' ; timeout for startup screen | |
358 movwf temp1 | |
359 WAITMS d'200' | |
360 bcf switch_left | |
361 bcf switch_right | |
362 screen1_loop: | |
337 | 363 btfsc uart_dump_screen ; Asked to dump screen contains ? |
364 call dump_screen ; Yes! | |
365 | |
0 | 366 btfsc onesecupdate ; do every second tasks? |
367 call set_dive_modes ; tests if depth>threshold | |
368 btfsc onesecupdate ; do every second tasks? | |
369 decf temp1,F | |
370 bcf onesecupdate ; every second tasks done | |
371 | |
372 tstfsz temp1 ; timout occured? | |
373 bra screen1_loop2 ; no | |
374 return | |
375 | |
376 screen1_loop2: | |
377 btfsc divemode ; Divemode active? | |
378 return | |
379 btfsc switch_left ; Ack? | |
380 return | |
381 btfsc switch_right ; Ack? | |
382 return | |
383 bra screen1_loop ; loop screen | |
384 | |
385 startup_screen2: | |
386 call PLED_ClearScreen ; Page 1 | |
387 call PLED_startupscreen2 ; show startup sreen | |
388 bra startup_screen1_2 | |
389 | |
390 startup_screen3a:; WARNING: Also used for decodescriptions and CF Warning screen! | |
391 movwf temp1 | |
392 WAITMS d'200' | |
393 bcf switch_left | |
394 bcf switch_right | |
395 screen3_loop: | |
337 | 396 btfsc uart_dump_screen ; Asked to dump screen contains ? |
397 call dump_screen ; Yes! | |
398 | |
0 | 399 btfsc onesecupdate ; do every second tasks? |
400 call set_dive_modes ; tests if depth>threshold | |
401 | |
402 btfsc onesecupdate ; do every second tasks? | |
403 decf temp1,F | |
404 bcf onesecupdate ; every second tasks done | |
405 | |
406 tstfsz temp1 ; timout occured? | |
407 bra screen3_loop2 ; no | |
408 return | |
409 screen3_loop2: | |
410 btfsc switch_left ; Ack? | |
411 return | |
412 btfsc switch_right ; Ack? | |
413 return | |
414 bra screen3_loop ; loop screen | |
415 | |
337 | 416 ;============================================================================= |
417 | |
306 | 418 first_start: |
419 movlw max_custom_number ; Defined in definitions.asm | |
420 movwf EEDATA | |
421 write_int_eeprom d'92' ; Store number of CF used in this firmware | |
422 bra start3 ; continue with normal start | |
423 | |
0 | 424 init: |
466 | 425 movlw OSCCON_VALUE |
0 | 426 movwf OSCCON |
427 | |
428 movlw b'00010001' ; I/O Ports | |
429 movwf TRISA | |
430 clrf PORTA | |
431 movlw b'00000011' | |
432 movwf TRISB | |
433 clrf PORTB | |
434 movlw b'11011101' ; UART | |
435 movwf TRISC | |
436 clrf PORTC | |
437 movlw b'00000000' | |
438 movwf TRISE | |
439 clrf PORTE | |
440 movlw b'00000000' | |
441 movwf TRISD | |
442 clrf PORTD | |
443 | |
444 movlw b'01000000' ; Bit6: PPL enable | |
445 movwf OSCTUNE | |
446 | |
466 | 447 movlw T0CON_VALUE ; Timer0 |
0 | 448 movwf T0CON |
449 | |
450 movlw b'00000111' ; Timer1 | |
451 movwf T1CON | |
452 | |
453 movlw b'11010000' ; Interrups | |
454 movwf INTCON | |
455 movlw b'00000101' | |
456 movwf INTCON2 | |
457 movlw b'00001000' | |
458 movwf INTCON3 | |
459 movlw b'00100001' | |
460 movwf PIE1 | |
461 movlw b'00000000' | |
462 movwf PIE2 | |
463 clrf RCON | |
464 | |
465 movlw b'00000000' ; A/D Converter | |
466 movwf ADCON0 | |
467 movlw b'00001110' | |
468 movwf ADCON1 | |
469 movlw b'10001010' ; Right justified | |
470 movwf ADCON2 | |
471 | |
472 clrf SSPCON1 ; Set I²C Mode | |
473 movlw b'00000000' | |
474 movwf SSPSTAT | |
475 movlw b'00101000' | |
476 movwf SSPCON1 | |
477 movlw b'00000000' | |
478 movwf SSPCON2 | |
466 | 479 movlw SSPADD_VALUE ; I²C Speed |
0 | 480 movwf SSPADD |
481 | |
482 clrf CCP1CON ; PWM Module off | |
483 clrf ECCP1CON ; PWM Module off | |
484 | |
485 movlw b'00000111' ; Comperator Module off | |
486 movwf CMCON | |
487 | |
488 movlw b'00100000' | |
489 movwf CANCON ; ECAN Module OFF | |
490 | |
491 movlw b'00100100' ; UART | |
492 movwf TXSTA | |
493 movlw b'10010000' | |
494 movwf RCSTA | |
495 movlw b'00001000' | |
496 movwf BAUDCON | |
497 clrf SPBRGH | |
466 | 498 movlw SPBRG_VALUE |
0 | 499 movwf SPBRG |
500 clrf RCREG | |
501 clrf PIR1 | |
502 return |