Mercurial > public > mk2
annotate code_part1/OSTC_code_asm_part1/start.asm @ 248:571626276aaa
Logbook now shows gas changes in depth profile
author | heinrichsweikamp |
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date | Tue, 29 Mar 2011 21:29:48 +0200 |
parents | 3ed240d60341 |
children | 1efd59d689f8 |
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 |
29 | |
0 | 30 call init |
31 btfsc divemode ; Reset from Divemode? | |
32 call PLED_resetdebugger ; Yes! Something went wrong, show reset informations | |
33 | |
34 clrf STKPTR ; Clear Stackpointer | |
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35 lfsr FSR0, 10Bh ; Clear rambank 1-9, do not delete RTC registers |
0 | 36 clear_rambank: |
37 clrf POSTINC0 | |
38 movlw 0x0A | |
39 cpfseq FSR0H ; Bank 9 done? | |
40 bra clear_rambank ; clear... | |
41 | |
42 ; Defaults for RTC | |
43 call disable_rs232 ; disable UART module | |
44 call RTCinit ; reset RTC | |
45 | |
46 ; Air pressure compensation after reset | |
47 call get_calibration_data ; Get calibration data from pressure sensor | |
48 | |
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 |
0 | 63 movff amb_pressure+0,last_surfpressure+0 |
64 movff amb_pressure+1,last_surfpressure+1 | |
65 movff amb_pressure+0,last_surfpressure_15min+0 | |
66 movff amb_pressure+1,last_surfpressure_15min+1 | |
67 movff amb_pressure+0,last_surfpressure_30min+0 | |
68 movff amb_pressure+1,last_surfpressure_30min+1 ; Rests all airpressure registers | |
69 | |
233 | 70 ; Extra power-up reset (JeanDo) |
71 ifdef TESTING | |
72 call do_menu_reset_all2 | |
73 endif | |
74 | |
0 | 75 ; reset deco data |
236 | 76 ostc_debug '0' ; Sends debug-information to screen if debugmode active |
77 | |
0 | 78 movlw d'79' ; 79% N2 |
197 | 79 movff WREG,char_I_N2_ratio ; No He at the Surface |
236 | 80 clrf WREG ; Use as buffer |
81 movff WREG,char_I_He_ratio ; No He at the Surface | |
82 movff WREG,char_I_step_is_1min ; 2 second deco mode | |
83 GETCUSTOM8 d'11' ; Saturation multiplier % | |
84 movff WREG,char_I_saturation_multiplier | |
85 GETCUSTOM8 d'12' ; Desaturation multiplier % | |
86 movff WREG,char_I_desaturation_multiplier | |
87 movff amb_pressure+0,int_I_pres_respiration+0 ; copy for deco routine | |
0 | 88 movff amb_pressure+1,int_I_pres_respiration+1 |
236 | 89 movff amb_pressure+0,int_I_pres_surface+0 ; copy for desat routine |
90 movff amb_pressure+1,int_I_pres_surface+1 | |
0 | 91 |
116 | 92 call deco_clear_tissue ; |
93 call deco_calc_desaturation_time ; calculate desaturation time | |
94 call deco_clear_CNS_fraction ; clear CNS | |
0 | 95 call calc_deko_surfmode ; calculate desaturation every minute |
116 | 96 call deco_calc_wo_deco_step_1_min ; calculate deco in surface mode |
0 | 97 movlb b'00000001' ; select ram bank 1 |
98 | |
99 ; check firmware and reset Custom Functions after an update | |
100 movlw LOW 0x101 | |
101 movwf EEADR | |
102 movlw HIGH 0x101 | |
103 movwf EEADRH | |
104 call read_eeprom ; read current version x | |
105 movff EEDATA,temp1 | |
106 incf EEADR,F ; set to 0x102 | |
107 call read_eeprom ; read current version y | |
108 movff EEDATA,temp2 | |
109 clrf EEADRH ; Reset EEADRH | |
110 | |
111 movlw softwareversion_x | |
112 cpfseq temp1 ; compare version x | |
113 bra check_firmware_new ; is not equal -> reset CF and store new version in EEPROM | |
114 | |
115 movlw softwareversion_y | |
116 cpfseq temp2 ; compare version y | |
117 bra check_firmware_new ; is not equal -> reset CF and store new version in EEPROM | |
118 bra restart ; x and y are equal -> do not reset cf | |
119 | |
120 check_firmware_new: | |
121 movlw LOW 0x101 ; store current version in EEPROM | |
122 movwf EEADR | |
123 movlw HIGH 0x101 | |
124 movwf EEADRH | |
125 movlw softwareversion_x | |
126 movwf EEDATA | |
127 call write_eeprom ; write version x | |
128 incf EEADR,F ; set to 0x102 | |
129 movlw softwareversion_y | |
130 movwf EEDATA | |
131 call write_eeprom ; write version y | |
132 clrf EEADRH ; Reset EEADRH | |
160 | 133 ; goto reset_all_cf ; resets all custom functions bank0 and bank1 and jumps to "restart" |
52 | 134 ; goto reset_all_cf_bank1 ; resets all custom functions bank1 and jumps to "restart" |
0 | 135 |
136 restart: | |
21 | 137 bcf LED_red |
138 bcf LED_blue ; all LEDs off | |
43 | 139 GETCUSTOM8 d'48' ; time correction value |
140 movff WREG, time_correction_value ; store in Bank0 register | |
15 | 141 |
142 clrf flag1 ; clear all flags | |
143 clrf flag2 | |
144 clrf flag3 | |
145 clrf flag4 | |
146 clrf flag5 | |
147 clrf flag6 | |
148 clrf flag7 | |
149 clrf flag8 | |
150 clrf flag9 | |
151 clrf flag10 | |
152 clrf flag11 | |
153 clrf flag12 | |
154 clrf flag13 | |
155 clrf flag14 | |
156 clrf flag15 | |
153 | 157 |
169
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158 ; Should we set win_flip_screen ? |
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159 bsf flag1,0 ; Precondition to yes |
153 | 160 clrf EEADRH ; Reset EEADRH |
161 read_int_eeprom d'1' | |
162 movlw .7 | |
169
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163 cpfsgt EEDATA ; serial > 2048 (Mk2n hardware) ? |
153 | 164 bcf flag1,0 |
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165 incf EEDATA,W ; serial == 65535 (emulation) ? |
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166 btfsc STATUS,Z |
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167 bcf flag1,0 |
153 | 168 movff flag1,win_flags ; store in Bank0 register |
169 clrf flag1 ; Clear flag1 (again) | |
239 | 170 |
171 ; Select high altitude (Fly) mode? | |
172 movff last_surfpressure_30min+0,sub_b+0 | |
173 movff last_surfpressure_30min+1,sub_b+1 | |
174 movlw HIGH d'880' | |
175 movwf sub_a+1 | |
176 movlw LOW d'880' ; Hard-wired 880mBar | |
177 movwf sub_a+0 | |
178 call sub16 ; sub_c = sub_a - sub_b | |
179 btfss neg_flag ; Result negative (Ambient>880mBar)? | |
180 bsf high_altitude_mode ; No, Set Flag! | |
169
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181 |
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182 ; Should we disable sleep (hardware emulator) |
154 | 183 movlw .0 |
184 cpfsgt EEDATA ; >256 | |
167 | 185 bsf nsm ; NO-SLEEP-MODE : for hardware debugging |
153 | 186 |
142 | 187 call gassetup_sort_gaslist ; Sorts Gaslist according to change depth |
188 call PLED_boot ; PLED boot (Incl. Clear Screen!) | |
0 | 189 WIN_TOP .0 |
190 WIN_LEFT .0 | |
191 WIN_FONT FT_SMALL | |
192 WIN_INVERT .0 ; Init new Wordprocessor | |
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193 setf WREG |
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194 movff WREG,win_color1 ; Beware: win_color1 is bank0, and we are bank1 currently |
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195 movff WREG,win_color2 |
0 | 196 call I2CReset ; Just in Case any I2C device blocks the Bus |
197 movff last_surfpressure_30min+0,last_surfpressure+0 ; Use 30min old airpressure | |
198 movff last_surfpressure_30min+1,last_surfpressure+1 ; Use 30min old airpressure | |
199 | |
200 ; Check if new CF were added in the last firmware version | |
201 clrf EEADRH | |
202 read_int_eeprom d'92' ; Read number of CF used in this firmware | |
203 movlw max_custom_number ; Defined in definitions.asm | |
204 cpfseq EEDATA ; Compare with last version | |
205 bra restart_01 ; New CF, show warning and store new number | |
206 bra restart_1 ; No new CF, continue with boot | |
207 restart_01: | |
208 ; Save new number of current CF count | |
209 rcall display_new_cf_installed; Show warning | |
210 movlw max_custom_number ; Defined in definitions.asm | |
211 movwf EEDATA | |
212 write_int_eeprom d'92' ; Store number of CF used in this firmware | |
213 | |
214 restart_1: | |
215 | |
216 ; Set Debug mode? | |
217 read_int_eeprom d'39' | |
218 bsf debug_mode | |
219 movlw d'1' | |
220 cpfseq EEDATA | |
221 bcf debug_mode ; clear flag if <> 1 | |
222 | |
223 goto surfloop ; Jump to Surfaceloop! | |
224 | |
225 | |
226 display_new_cf_installed: | |
227 call PLED_new_cf_warning ; Display new CF warning screen | |
228 movlw d'20' ; timeout for warning screen | |
229 bra startup_screen3a ; Will RETURN after timeout or button press | |
197 | 230 |
231 ;============================================================================= | |
232 ; Setup all flags and parameters for divemode and simulator computations. | |
233 ; | |
234 restart_set_modes_and_flags: ; "Call"ed from divemode, as well! | |
0 | 235 bcf gauge_mode |
236 bcf FLAG_const_ppO2_mode | |
237 bcf FLAG_apnoe_mode | |
45 | 238 |
239 ; Pre-load modes for OC, GF 90/90 and no Aponoe or Gauge. | |
197 | 240 bcf no_deco_customviews ; Clear no-deco-mode-flag |
45 | 241 movlw d'0' |
197 | 242 movff WREG,char_I_deco_model ; Clear Flagbyte |
45 | 243 ; Load GF values into RAM |
244 movlw d'90' | |
197 | 245 movff WREG,char_I_GF_Low_percentage |
246 movff WREG,char_I_GF_High_percentage ; Set to 90/90... | |
0 | 247 clrf EEADRH |
197 | 248 read_int_eeprom d'34' ; Read deco data |
249 movlw d'1' ; Gauge mode | |
0 | 250 cpfseq EEDATA |
197 | 251 bra restart_3_test_ppO2_mode ; check for ppO2 mode |
252 bsf gauge_mode ; Set flag for gauge mode | |
253 bsf no_deco_customviews ; Set no-deco-mode-flag | |
254 return ; start in Surfacemode | |
0 | 255 restart_3_test_ppO2_mode: |
197 | 256 movlw d'2' ; const ppO2 mode |
0 | 257 cpfseq EEDATA |
197 | 258 bra restart_3_test_apnoe_mode; check for apnoe mode |
259 bsf FLAG_const_ppO2_mode ; Set flag for ppO2 mode | |
260 return ; start in Surfacemode | |
0 | 261 restart_3_test_apnoe_mode: |
197 | 262 movlw d'3' ; Apnoe mode |
0 | 263 cpfseq EEDATA |
197 | 264 bra restart_4_test_gf_mode ; check for GF OC mode |
265 bsf FLAG_apnoe_mode ; Set flag for Apnoe Mode | |
266 bsf no_deco_customviews ; Set no-deco-mode-flag | |
267 return ; start in Surfacemode | |
0 | 268 restart_4_test_gf_mode: |
197 | 269 movlw d'4' ; GF OC mode |
0 | 270 cpfseq EEDATA |
197 | 271 bra restart_5_test_gfO2_mode ; check for GF CC mode |
0 | 272 movlw d'1' |
197 | 273 movff WREG,char_I_deco_model ; Set Flagbyte for GF method |
45 | 274 ; Load GF values into RAM |
197 | 275 GETCUSTOM8 d'32' ; GF low |
276 movff EEDATA,char_I_GF_Low_percentage | |
277 GETCUSTOM8 d'33' ; GF high | |
278 movff EEDATA,char_I_GF_High_percentage | |
279 return ; start in Surfacemode | |
0 | 280 restart_5_test_gfO2_mode: |
197 | 281 movlw d'5' ; GF CC mode |
0 | 282 cpfseq EEDATA |
197 | 283 return ; Start in Surfacemode |
284 bsf FLAG_const_ppO2_mode ; Set flag for ppO2 mode | |
0 | 285 movlw d'1' |
197 | 286 movff WREG,char_I_deco_model ; Set Flagbyte for GF method |
137 | 287 ; Load GF values into RAM |
197 | 288 GETCUSTOM8 d'32' ; GF low |
163 | 289 movff EEDATA,char_I_GF_Low_percentage |
197 | 290 GETCUSTOM8 d'33' ; GF high |
163 | 291 movff EEDATA,char_I_GF_High_percentage |
197 | 292 return ; start in Surfacemode |
293 | |
294 ;============================================================================= | |
0 | 295 |
296 startup_screen1: | |
297 call PLED_ClearScreen | |
298 call PLED_startupscreen1 ; show startup sreen | |
299 startup_screen1_2: | |
300 movlw d'10' ; timeout for startup screen | |
301 movwf temp1 | |
302 WAITMS d'200' | |
303 bcf switch_left | |
304 bcf switch_right | |
305 screen1_loop: | |
306 btfsc onesecupdate ; do every second tasks? | |
307 call set_dive_modes ; tests if depth>threshold | |
308 btfsc onesecupdate ; do every second tasks? | |
309 decf temp1,F | |
310 bcf onesecupdate ; every second tasks done | |
311 | |
312 tstfsz temp1 ; timout occured? | |
313 bra screen1_loop2 ; no | |
314 return | |
315 | |
316 screen1_loop2: | |
317 btfsc divemode ; Divemode active? | |
318 return | |
319 btfsc switch_left ; Ack? | |
320 return | |
321 btfsc switch_right ; Ack? | |
322 return | |
323 bra screen1_loop ; loop screen | |
324 | |
325 startup_screen2: | |
326 call PLED_ClearScreen ; Page 1 | |
327 call PLED_startupscreen2 ; show startup sreen | |
328 bra startup_screen1_2 | |
329 | |
330 startup_screen3a:; WARNING: Also used for decodescriptions and CF Warning screen! | |
331 movwf temp1 | |
332 WAITMS d'200' | |
333 bcf switch_left | |
334 bcf switch_right | |
335 screen3_loop: | |
336 btfsc onesecupdate ; do every second tasks? | |
337 call set_dive_modes ; tests if depth>threshold | |
338 | |
339 btfsc onesecupdate ; do every second tasks? | |
340 decf temp1,F | |
341 bcf onesecupdate ; every second tasks done | |
342 | |
343 tstfsz temp1 ; timout occured? | |
344 bra screen3_loop2 ; no | |
345 return | |
346 screen3_loop2: | |
347 btfsc switch_left ; Ack? | |
348 return | |
349 btfsc switch_right ; Ack? | |
350 return | |
351 bra screen3_loop ; loop screen | |
352 | |
353 init: | |
354 movlw b'01101100' ; 4MHz (x4 PLL) | |
355 movwf OSCCON | |
356 | |
357 movlw b'00010001' ; I/O Ports | |
358 movwf TRISA | |
359 clrf PORTA | |
360 movlw b'00000011' | |
361 movwf TRISB | |
362 clrf PORTB | |
363 movlw b'11011101' ; UART | |
364 movwf TRISC | |
365 clrf PORTC | |
366 movlw b'00000000' | |
367 movwf TRISE | |
368 clrf PORTE | |
369 movlw b'00000000' | |
370 movwf TRISD | |
371 clrf PORTD | |
372 | |
373 movlw b'01000000' ; Bit6: PPL enable | |
374 movwf OSCTUNE | |
375 | |
376 movlw b'00011111' ; Timer0 | |
377 movwf T0CON | |
378 | |
379 movlw b'00000111' ; Timer1 | |
380 movwf T1CON | |
381 | |
382 movlw b'11010000' ; Interrups | |
383 movwf INTCON | |
384 movlw b'00000101' | |
385 movwf INTCON2 | |
386 movlw b'00001000' | |
387 movwf INTCON3 | |
388 movlw b'00100001' | |
389 movwf PIE1 | |
390 movlw b'00000000' | |
391 movwf PIE2 | |
392 clrf RCON | |
393 | |
394 movlw b'00000000' ; A/D Converter | |
395 movwf ADCON0 | |
396 movlw b'00001110' | |
397 movwf ADCON1 | |
398 movlw b'10001010' ; Right justified | |
399 movwf ADCON2 | |
400 | |
401 clrf SSPCON1 ; Set I²C Mode | |
402 movlw b'00000000' | |
403 movwf SSPSTAT | |
404 movlw b'00101000' | |
405 movwf SSPCON1 | |
406 movlw b'00000000' | |
407 movwf SSPCON2 | |
408 movlw d'8' ; 400kHz I2C clock @ 16MHz Fcy | |
409 movwf SSPADD | |
410 | |
411 clrf CCP1CON ; PWM Module off | |
412 clrf ECCP1CON ; PWM Module off | |
413 | |
414 movlw b'00000111' ; Comperator Module off | |
415 movwf CMCON | |
416 | |
417 movlw b'00100000' | |
418 movwf CANCON ; ECAN Module OFF | |
419 | |
420 movlw b'00100100' ; UART | |
421 movwf TXSTA | |
422 movlw b'10010000' | |
423 movwf RCSTA | |
424 movlw b'00001000' | |
425 movwf BAUDCON | |
426 clrf SPBRGH | |
427 movlw d'34' | |
428 movwf SPBRG | |
429 clrf RCREG | |
430 clrf PIR1 | |
431 return |