Mercurial > public > mk2
annotate code_part1/OSTC_code_asm_part1/start.asm @ 319:4159c31abe31
BUGFIX surface pressure for deco in altitude.
author | JeanDo |
---|---|
date | Thu, 05 May 2011 02:16:20 +0200 |
parents | 122324dafba7 |
children | 6544f79e298c |
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 |
235 | 28 clrf temp10+1 |
29 | |
0 | 30 call init |
306 | 31 |
32 read_int_eeprom d'92' ; Read number of CF used in this firmware | |
33 movlw 0xFF ; First start value | |
34 cpfseq EEDATA ; Compare | |
35 bra start2 ; Normal power-on/hard reset boot | |
36 bra first_start ; Reset and jump to surfmode | |
37 start2: | |
0 | 38 btfsc divemode ; Reset from Divemode? |
39 call PLED_resetdebugger ; Yes! Something went wrong, show reset informations | |
306 | 40 start3: |
0 | 41 clrf STKPTR ; Clear Stackpointer |
98
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42 lfsr FSR0, 10Bh ; Clear rambank 1-9, do not delete RTC registers |
0 | 43 clear_rambank: |
44 clrf POSTINC0 | |
45 movlw 0x0A | |
46 cpfseq FSR0H ; Bank 9 done? | |
47 bra clear_rambank ; clear... | |
48 | |
49 ; Defaults for RTC | |
50 call disable_rs232 ; disable UART module | |
51 call RTCinit ; reset RTC | |
52 | |
53 ; Air pressure compensation after reset | |
54 call get_calibration_data ; Get calibration data from pressure sensor | |
55 | |
56 bcf pressure_refresh | |
57 wait_start_pressure: | |
58 btfss pressure_refresh ; Air pressure compensation | |
59 bra wait_start_pressure | |
60 | |
61 clrf rel_pressure+0 | |
62 clrf rel_pressure+1 | |
63 clrf surface_interval+0 | |
64 clrf surface_interval+1 | |
65 | |
66 bsf sleepmode ; Routine only works in sleepmode... | |
67 call pressuretest_sleep_fast ; Gets pressure without averaging (faster!) | |
68 bcf sleepmode ; Normal mode again | |
233 | 69 |
0 | 70 movff amb_pressure+0,last_surfpressure+0 |
71 movff amb_pressure+1,last_surfpressure+1 | |
72 movff amb_pressure+0,last_surfpressure_15min+0 | |
73 movff amb_pressure+1,last_surfpressure_15min+1 | |
74 movff amb_pressure+0,last_surfpressure_30min+0 | |
75 movff amb_pressure+1,last_surfpressure_30min+1 ; Rests all airpressure registers | |
76 | |
233 | 77 ; Extra power-up reset (JeanDo) |
78 ifdef TESTING | |
79 call do_menu_reset_all2 | |
80 endif | |
81 | |
0 | 82 ; reset deco data |
236 | 83 ostc_debug '0' ; Sends debug-information to screen if debugmode active |
84 | |
0 | 85 movlw d'79' ; 79% N2 |
197 | 86 movff WREG,char_I_N2_ratio ; No He at the Surface |
236 | 87 clrf WREG ; Use as buffer |
88 movff WREG,char_I_He_ratio ; No He at the Surface | |
89 movff WREG,char_I_step_is_1min ; 2 second deco mode | |
90 GETCUSTOM8 d'11' ; Saturation multiplier % | |
91 movff WREG,char_I_saturation_multiplier | |
92 GETCUSTOM8 d'12' ; Desaturation multiplier % | |
93 movff WREG,char_I_desaturation_multiplier | |
94 movff amb_pressure+0,int_I_pres_respiration+0 ; copy for deco routine | |
0 | 95 movff amb_pressure+1,int_I_pres_respiration+1 |
236 | 96 movff amb_pressure+0,int_I_pres_surface+0 ; copy for desat routine |
97 movff amb_pressure+1,int_I_pres_surface+1 | |
0 | 98 |
116 | 99 call deco_clear_tissue ; |
100 call deco_calc_desaturation_time ; calculate desaturation time | |
101 call deco_clear_CNS_fraction ; clear CNS | |
0 | 102 call calc_deko_surfmode ; calculate desaturation every minute |
116 | 103 call deco_calc_wo_deco_step_1_min ; calculate deco in surface mode |
0 | 104 movlb b'00000001' ; select ram bank 1 |
105 | |
106 ; check firmware and reset Custom Functions after an update | |
107 movlw LOW 0x101 | |
108 movwf EEADR | |
109 movlw HIGH 0x101 | |
110 movwf EEADRH | |
111 call read_eeprom ; read current version x | |
112 movff EEDATA,temp1 | |
113 incf EEADR,F ; set to 0x102 | |
114 call read_eeprom ; read current version y | |
115 movff EEDATA,temp2 | |
116 clrf EEADRH ; Reset EEADRH | |
117 | |
118 movlw softwareversion_x | |
119 cpfseq temp1 ; compare version x | |
120 bra check_firmware_new ; is not equal -> reset CF and store new version in EEPROM | |
121 | |
122 movlw softwareversion_y | |
123 cpfseq temp2 ; compare version y | |
124 bra check_firmware_new ; is not equal -> reset CF and store new version in EEPROM | |
125 bra restart ; x and y are equal -> do not reset cf | |
126 | |
127 check_firmware_new: | |
128 movlw LOW 0x101 ; store current version in EEPROM | |
129 movwf EEADR | |
130 movlw HIGH 0x101 | |
131 movwf EEADRH | |
132 movlw softwareversion_x | |
133 movwf EEDATA | |
134 call write_eeprom ; write version x | |
135 incf EEADR,F ; set to 0x102 | |
136 movlw softwareversion_y | |
137 movwf EEDATA | |
138 call write_eeprom ; write version y | |
139 clrf EEADRH ; Reset EEADRH | |
308 | 140 ; goto reset_all_cf ; resets all custom functions bank0 and bank1 and jumps to "restart" |
52 | 141 ; goto reset_all_cf_bank1 ; resets all custom functions bank1 and jumps to "restart" |
0 | 142 |
143 restart: | |
21 | 144 bcf LED_red |
145 bcf LED_blue ; all LEDs off | |
43 | 146 GETCUSTOM8 d'48' ; time correction value |
147 movff WREG, time_correction_value ; store in Bank0 register | |
15 | 148 |
149 clrf flag1 ; clear all flags | |
150 clrf flag2 | |
151 clrf flag3 | |
152 clrf flag4 | |
153 clrf flag5 | |
154 clrf flag6 | |
155 clrf flag7 | |
156 clrf flag8 | |
157 clrf flag9 | |
158 clrf flag10 | |
159 clrf flag11 | |
160 clrf flag12 | |
161 clrf flag13 | |
162 clrf flag14 | |
163 clrf flag15 | |
153 | 164 |
169
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165 ; Should we set win_flip_screen ? |
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166 bsf flag1,0 ; Precondition to yes |
153 | 167 clrf EEADRH ; Reset EEADRH |
168 read_int_eeprom d'1' | |
169 movlw .7 | |
169
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170 cpfsgt EEDATA ; serial > 2048 (Mk2n hardware) ? |
153 | 171 bcf flag1,0 |
169
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172 incf EEDATA,W ; serial == 65535 (emulation) ? |
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173 btfsc STATUS,Z |
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174 bcf flag1,0 |
153 | 175 movff flag1,win_flags ; store in Bank0 register |
176 clrf flag1 ; Clear flag1 (again) | |
239 | 177 |
178 ; Select high altitude (Fly) mode? | |
179 movff last_surfpressure_30min+0,sub_b+0 | |
180 movff last_surfpressure_30min+1,sub_b+1 | |
181 movlw HIGH d'880' | |
182 movwf sub_a+1 | |
183 movlw LOW d'880' ; Hard-wired 880mBar | |
184 movwf sub_a+0 | |
185 call sub16 ; sub_c = sub_a - sub_b | |
186 btfss neg_flag ; Result negative (Ambient>880mBar)? | |
187 bsf high_altitude_mode ; No, Set Flag! | |
169
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188 |
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189 ; Should we disable sleep (hardware emulator) |
154 | 190 movlw .0 |
191 cpfsgt EEDATA ; >256 | |
167 | 192 bsf nsm ; NO-SLEEP-MODE : for hardware debugging |
153 | 193 |
142 | 194 call gassetup_sort_gaslist ; Sorts Gaslist according to change depth |
0 | 195 WIN_TOP .0 |
196 WIN_LEFT .0 | |
197 WIN_FONT FT_SMALL | |
198 WIN_INVERT .0 ; Init new Wordprocessor | |
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199 setf WREG |
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200 movff WREG,win_color1 ; Beware: win_color1 is bank0, and we are bank1 currently |
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201 movff WREG,win_color2 |
0 | 202 call I2CReset ; Just in Case any I2C device blocks the Bus |
203 movff last_surfpressure_30min+0,last_surfpressure+0 ; Use 30min old airpressure | |
204 movff last_surfpressure_30min+1,last_surfpressure+1 ; Use 30min old airpressure | |
205 | |
206 ; Check if new CF were added in the last firmware version | |
207 clrf EEADRH | |
208 read_int_eeprom d'92' ; Read number of CF used in this firmware | |
209 movlw max_custom_number ; Defined in definitions.asm | |
210 cpfseq EEDATA ; Compare with last version | |
211 bra restart_01 ; New CF, show warning and store new number | |
212 bra restart_1 ; No new CF, continue with boot | |
213 restart_01: | |
214 ; Save new number of current CF count | |
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215 call PLED_boot ; PLED boot (Incl. Clear Screen!) |
0 | 216 rcall display_new_cf_installed; Show warning |
217 movlw max_custom_number ; Defined in definitions.asm | |
218 movwf EEDATA | |
219 write_int_eeprom d'92' ; Store number of CF used in this firmware | |
220 | |
221 restart_1: | |
222 | |
223 ; Set Debug mode? | |
224 read_int_eeprom d'39' | |
225 bsf debug_mode | |
226 movlw d'1' | |
227 cpfseq EEDATA | |
228 bcf debug_mode ; clear flag if <> 1 | |
229 | |
230 goto surfloop ; Jump to Surfaceloop! | |
231 | |
232 | |
233 display_new_cf_installed: | |
234 call PLED_new_cf_warning ; Display new CF warning screen | |
235 movlw d'20' ; timeout for warning screen | |
236 bra startup_screen3a ; Will RETURN after timeout or button press | |
197 | 237 |
238 ;============================================================================= | |
239 ; Setup all flags and parameters for divemode and simulator computations. | |
240 ; | |
241 restart_set_modes_and_flags: ; "Call"ed from divemode, as well! | |
0 | 242 bcf gauge_mode |
243 bcf FLAG_const_ppO2_mode | |
244 bcf FLAG_apnoe_mode | |
45 | 245 |
246 ; Pre-load modes for OC, GF 90/90 and no Aponoe or Gauge. | |
197 | 247 bcf no_deco_customviews ; Clear no-deco-mode-flag |
45 | 248 movlw d'0' |
197 | 249 movff WREG,char_I_deco_model ; Clear Flagbyte |
45 | 250 ; Load GF values into RAM |
251 movlw d'90' | |
197 | 252 movff WREG,char_I_GF_Low_percentage |
253 movff WREG,char_I_GF_High_percentage ; Set to 90/90... | |
0 | 254 clrf EEADRH |
197 | 255 read_int_eeprom d'34' ; Read deco data |
256 movlw d'1' ; Gauge mode | |
0 | 257 cpfseq EEDATA |
197 | 258 bra restart_3_test_ppO2_mode ; check for ppO2 mode |
259 bsf gauge_mode ; Set flag for gauge mode | |
260 bsf no_deco_customviews ; Set no-deco-mode-flag | |
261 return ; start in Surfacemode | |
0 | 262 restart_3_test_ppO2_mode: |
197 | 263 movlw d'2' ; const ppO2 mode |
0 | 264 cpfseq EEDATA |
197 | 265 bra restart_3_test_apnoe_mode; check for apnoe mode |
266 bsf FLAG_const_ppO2_mode ; Set flag for ppO2 mode | |
267 return ; start in Surfacemode | |
0 | 268 restart_3_test_apnoe_mode: |
197 | 269 movlw d'3' ; Apnoe mode |
0 | 270 cpfseq EEDATA |
197 | 271 bra restart_4_test_gf_mode ; check for GF OC mode |
272 bsf FLAG_apnoe_mode ; Set flag for Apnoe Mode | |
273 bsf no_deco_customviews ; Set no-deco-mode-flag | |
274 return ; start in Surfacemode | |
0 | 275 restart_4_test_gf_mode: |
197 | 276 movlw d'4' ; GF OC mode |
0 | 277 cpfseq EEDATA |
197 | 278 bra restart_5_test_gfO2_mode ; check for GF CC mode |
0 | 279 movlw d'1' |
197 | 280 movff WREG,char_I_deco_model ; Set Flagbyte for GF method |
45 | 281 ; Load GF values into RAM |
197 | 282 GETCUSTOM8 d'32' ; GF low |
283 movff EEDATA,char_I_GF_Low_percentage | |
284 GETCUSTOM8 d'33' ; GF high | |
285 movff EEDATA,char_I_GF_High_percentage | |
286 return ; start in Surfacemode | |
0 | 287 restart_5_test_gfO2_mode: |
197 | 288 movlw d'5' ; GF CC mode |
0 | 289 cpfseq EEDATA |
197 | 290 return ; Start in Surfacemode |
291 bsf FLAG_const_ppO2_mode ; Set flag for ppO2 mode | |
0 | 292 movlw d'1' |
197 | 293 movff WREG,char_I_deco_model ; Set Flagbyte for GF method |
137 | 294 ; Load GF values into RAM |
197 | 295 GETCUSTOM8 d'32' ; GF low |
163 | 296 movff EEDATA,char_I_GF_Low_percentage |
197 | 297 GETCUSTOM8 d'33' ; GF high |
163 | 298 movff EEDATA,char_I_GF_High_percentage |
197 | 299 return ; start in Surfacemode |
300 | |
301 ;============================================================================= | |
0 | 302 |
303 startup_screen1: | |
304 call PLED_ClearScreen | |
305 call PLED_startupscreen1 ; show startup sreen | |
306 startup_screen1_2: | |
307 movlw d'10' ; timeout for startup screen | |
308 movwf temp1 | |
309 WAITMS d'200' | |
310 bcf switch_left | |
311 bcf switch_right | |
312 screen1_loop: | |
313 btfsc onesecupdate ; do every second tasks? | |
314 call set_dive_modes ; tests if depth>threshold | |
315 btfsc onesecupdate ; do every second tasks? | |
316 decf temp1,F | |
317 bcf onesecupdate ; every second tasks done | |
318 | |
319 tstfsz temp1 ; timout occured? | |
320 bra screen1_loop2 ; no | |
321 return | |
322 | |
323 screen1_loop2: | |
324 btfsc divemode ; Divemode active? | |
325 return | |
326 btfsc switch_left ; Ack? | |
327 return | |
328 btfsc switch_right ; Ack? | |
329 return | |
330 bra screen1_loop ; loop screen | |
331 | |
332 startup_screen2: | |
333 call PLED_ClearScreen ; Page 1 | |
334 call PLED_startupscreen2 ; show startup sreen | |
335 bra startup_screen1_2 | |
336 | |
337 startup_screen3a:; WARNING: Also used for decodescriptions and CF Warning screen! | |
338 movwf temp1 | |
339 WAITMS d'200' | |
340 bcf switch_left | |
341 bcf switch_right | |
342 screen3_loop: | |
343 btfsc onesecupdate ; do every second tasks? | |
344 call set_dive_modes ; tests if depth>threshold | |
345 | |
346 btfsc onesecupdate ; do every second tasks? | |
347 decf temp1,F | |
348 bcf onesecupdate ; every second tasks done | |
349 | |
350 tstfsz temp1 ; timout occured? | |
351 bra screen3_loop2 ; no | |
352 return | |
353 screen3_loop2: | |
354 btfsc switch_left ; Ack? | |
355 return | |
356 btfsc switch_right ; Ack? | |
357 return | |
358 bra screen3_loop ; loop screen | |
359 | |
306 | 360 first_start: |
361 movlw max_custom_number ; Defined in definitions.asm | |
362 movwf EEDATA | |
363 write_int_eeprom d'92' ; Store number of CF used in this firmware | |
364 bra start3 ; continue with normal start | |
365 | |
0 | 366 init: |
367 movlw b'01101100' ; 4MHz (x4 PLL) | |
368 movwf OSCCON | |
369 | |
370 movlw b'00010001' ; I/O Ports | |
371 movwf TRISA | |
372 clrf PORTA | |
373 movlw b'00000011' | |
374 movwf TRISB | |
375 clrf PORTB | |
376 movlw b'11011101' ; UART | |
377 movwf TRISC | |
378 clrf PORTC | |
379 movlw b'00000000' | |
380 movwf TRISE | |
381 clrf PORTE | |
382 movlw b'00000000' | |
383 movwf TRISD | |
384 clrf PORTD | |
385 | |
386 movlw b'01000000' ; Bit6: PPL enable | |
387 movwf OSCTUNE | |
388 | |
389 movlw b'00011111' ; Timer0 | |
390 movwf T0CON | |
391 | |
392 movlw b'00000111' ; Timer1 | |
393 movwf T1CON | |
394 | |
395 movlw b'11010000' ; Interrups | |
396 movwf INTCON | |
397 movlw b'00000101' | |
398 movwf INTCON2 | |
399 movlw b'00001000' | |
400 movwf INTCON3 | |
401 movlw b'00100001' | |
402 movwf PIE1 | |
403 movlw b'00000000' | |
404 movwf PIE2 | |
405 clrf RCON | |
406 | |
407 movlw b'00000000' ; A/D Converter | |
408 movwf ADCON0 | |
409 movlw b'00001110' | |
410 movwf ADCON1 | |
411 movlw b'10001010' ; Right justified | |
412 movwf ADCON2 | |
413 | |
414 clrf SSPCON1 ; Set I²C Mode | |
415 movlw b'00000000' | |
416 movwf SSPSTAT | |
417 movlw b'00101000' | |
418 movwf SSPCON1 | |
419 movlw b'00000000' | |
420 movwf SSPCON2 | |
421 movlw d'8' ; 400kHz I2C clock @ 16MHz Fcy | |
422 movwf SSPADD | |
423 | |
424 clrf CCP1CON ; PWM Module off | |
425 clrf ECCP1CON ; PWM Module off | |
426 | |
427 movlw b'00000111' ; Comperator Module off | |
428 movwf CMCON | |
429 | |
430 movlw b'00100000' | |
431 movwf CANCON ; ECAN Module OFF | |
432 | |
433 movlw b'00100100' ; UART | |
434 movwf TXSTA | |
435 movlw b'10010000' | |
436 movwf RCSTA | |
437 movlw b'00001000' | |
438 movwf BAUDCON | |
439 clrf SPBRGH | |
440 movlw d'34' | |
441 movwf SPBRG | |
442 clrf RCREG | |
443 clrf PIR1 | |
444 return |