Mercurial > public > mk2
annotate code_part1/OSTC_code_asm_part1/start.asm @ 443:4c7f304de294
BUGFIX: infinite loop for Decoplaner's CNS in CCR mode.
author | JeanDo |
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date | Wed, 10 Aug 2011 21:53:17 +0200 |
parents | af2894e5cda4 |
children | 86fc79735d3b 6ad9af3a5771 |
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 | |
421
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61 SAFE_2BYTE_COPY amb_pressure_avg, amb_pressure ; copy for compatibility |
233 | 62 |
380 | 63 SAFE_2BYTE_COPY amb_pressure_avg, last_surfpressure |
64 SAFE_2BYTE_COPY amb_pressure_avg, amb_pressure | |
341
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65 movff last_surfpressure+0,last_surfpressure_15min+0 |
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66 movff last_surfpressure+1,last_surfpressure_15min+1 |
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67 movff last_surfpressure+0,last_surfpressure_30min+0 |
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68 movff last_surfpressure+1,last_surfpressure_30min+1 ; Rests all airpressure registers |
0 | 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 | |
341
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87 SAFE_2BYTE_COPY amb_pressure,int_I_pres_respiration ; copy for deco routine |
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88 movff int_I_pres_respiration+0,int_I_pres_surface+0 ; copy for desat routine |
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89 movff int_I_pres_respiration+1,int_I_pres_surface+1 |
0 | 90 |
116 | 91 call deco_clear_tissue ; |
92 call deco_calc_desaturation_time ; calculate desaturation time | |
93 call deco_clear_CNS_fraction ; clear CNS | |
0 | 94 call calc_deko_surfmode ; calculate desaturation every minute |
116 | 95 call deco_calc_wo_deco_step_1_min ; calculate deco in surface mode |
0 | 96 movlb b'00000001' ; select ram bank 1 |
412 | 97 clrf nofly_time+0 ; Reset NoFly |
98 clrf nofly_time+1 ; Reset NoFly | |
99 bcf nofly_active ; Clear flag | |
0 | 100 |
101 ; check firmware and reset Custom Functions after an update | |
384
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102 movlw d'1' |
0 | 103 movwf EEADR |
384
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104 movlw d'1' |
0 | 105 movwf EEADRH |
106 call read_eeprom ; read current version x | |
107 movff EEDATA,temp1 | |
108 incf EEADR,F ; set to 0x102 | |
109 call read_eeprom ; read current version y | |
110 movff EEDATA,temp2 | |
111 clrf EEADRH ; Reset EEADRH | |
112 | |
113 movlw softwareversion_x | |
114 cpfseq temp1 ; compare version x | |
115 bra check_firmware_new ; is not equal -> reset CF and store new version in EEPROM | |
116 | |
117 movlw softwareversion_y | |
118 cpfseq temp2 ; compare version y | |
119 bra check_firmware_new ; is not equal -> reset CF and store new version in EEPROM | |
120 bra restart ; x and y are equal -> do not reset cf | |
121 | |
122 check_firmware_new: | |
384
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123 movlw d'1' ; store current version in EEPROM |
0 | 124 movwf EEADR |
384
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125 movlw d'1' |
0 | 126 movwf EEADRH |
127 movlw softwareversion_x | |
128 movwf EEDATA | |
129 call write_eeprom ; write version x | |
130 incf EEADR,F ; set to 0x102 | |
131 movlw softwareversion_y | |
132 movwf EEDATA | |
133 call write_eeprom ; write version y | |
134 clrf EEADRH ; Reset EEADRH | |
392 | 135 |
136 ; Reset CF48 | |
137 movlw d'1' | |
393 | 138 movwf EEADRH ; EEPROM Bank1 |
392 | 139 clrf EEDATA ; =0 |
140 write_int_eeprom d'191' | |
141 write_int_eeprom d'192' | |
142 write_int_eeprom d'193' | |
143 write_int_eeprom d'194' ; Reset Default and Current Value to zero | |
393 | 144 clrf EEADRH |
366 | 145 ; goto reset_all_cf ; resets all custom functions bank0 and bank1 and jumps to "restart" |
0 | 146 |
147 restart: | |
390 | 148 movlw b'00000011' |
149 movwf T3CON ; Timer3 with 32768Hz clock running | |
150 clrf TMR3L | |
151 clrf TMR3H | |
21 | 152 bcf LED_red |
153 bcf LED_blue ; all LEDs off | |
43 | 154 GETCUSTOM8 d'48' ; time correction value |
155 movff WREG, time_correction_value ; store in Bank0 register | |
15 | 156 |
157 clrf flag1 ; clear all flags | |
158 clrf flag2 | |
159 clrf flag3 | |
160 clrf flag4 | |
161 clrf flag5 | |
162 clrf flag6 | |
163 clrf flag7 | |
164 clrf flag8 | |
165 clrf flag9 | |
166 clrf flag10 | |
167 clrf flag11 | |
168 clrf flag12 | |
169 clrf flag13 | |
170 clrf flag14 | |
171 clrf flag15 | |
153 | 172 |
169
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173 ; Should we set win_flip_screen ? |
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174 bsf flag1,0 ; Precondition to yes |
153 | 175 clrf EEADRH ; Reset EEADRH |
176 read_int_eeprom d'1' | |
177 movlw .7 | |
169
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178 cpfsgt EEDATA ; serial > 2048 (Mk2n hardware) ? |
153 | 179 bcf flag1,0 |
169
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180 incf EEDATA,W ; serial == 65535 (emulation) ? |
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181 btfsc STATUS,Z |
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182 bcf flag1,0 |
153 | 183 movff flag1,win_flags ; store in Bank0 register |
184 clrf flag1 ; Clear flag1 (again) | |
239 | 185 |
186 ; Select high altitude (Fly) mode? | |
187 movff last_surfpressure_30min+0,sub_b+0 | |
188 movff last_surfpressure_30min+1,sub_b+1 | |
189 movlw HIGH d'880' | |
190 movwf sub_a+1 | |
191 movlw LOW d'880' ; Hard-wired 880mBar | |
192 movwf sub_a+0 | |
193 call sub16 ; sub_c = sub_a - sub_b | |
194 btfss neg_flag ; Result negative (Ambient>880mBar)? | |
195 bsf high_altitude_mode ; No, Set Flag! | |
169
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196 |
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197 ; Should we disable sleep (hardware emulator) |
390 | 198 restart_loop: |
199 btfss 0xF81,0,A | |
200 bra restart_loop | |
201 btfss 0xF81,1,A | |
202 bra restart_loop | |
203 movlw 0x80 | |
204 cpfslt 0xFB3,A | |
167 | 205 bsf nsm ; NO-SLEEP-MODE : for hardware debugging |
153 | 206 |
142 | 207 call gassetup_sort_gaslist ; Sorts Gaslist according to change depth |
0 | 208 WIN_TOP .0 |
209 WIN_LEFT .0 | |
210 WIN_FONT FT_SMALL | |
211 WIN_INVERT .0 ; Init new Wordprocessor | |
83
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212 setf WREG |
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213 movff WREG,win_color1 ; Beware: win_color1 is bank0, and we are bank1 currently |
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214 movff WREG,win_color2 |
0 | 215 call I2CReset ; Just in Case any I2C device blocks the Bus |
216 movff last_surfpressure_30min+0,last_surfpressure+0 ; Use 30min old airpressure | |
217 movff last_surfpressure_30min+1,last_surfpressure+1 ; Use 30min old airpressure | |
218 | |
219 ; Check if new CF were added in the last firmware version | |
220 clrf EEADRH | |
221 read_int_eeprom d'92' ; Read number of CF used in this firmware | |
222 movlw max_custom_number ; Defined in definitions.asm | |
223 cpfseq EEDATA ; Compare with last version | |
224 bra restart_01 ; New CF, show warning and store new number | |
225 bra restart_1 ; No new CF, continue with boot | |
226 restart_01: | |
227 ; 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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228 call PLED_boot ; PLED boot (Incl. Clear Screen!) |
0 | 229 rcall display_new_cf_installed; Show warning |
230 movlw max_custom_number ; Defined in definitions.asm | |
231 movwf EEDATA | |
232 write_int_eeprom d'92' ; Store number of CF used in this firmware | |
233 | |
234 restart_1: | |
235 | |
236 ; Set Debug mode? | |
237 read_int_eeprom d'39' | |
238 bsf debug_mode | |
239 movlw d'1' | |
240 cpfseq EEDATA | |
241 bcf debug_mode ; clear flag if <> 1 | |
242 | |
362
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243 ; Check if logbook has been converted already (Internal EEPROM 0x100=0xAA) |
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Logbook converter (Needs ~8Minutes and is called one time). Backup your dives before use!!
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244 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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245 movwf EEADR |
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Logbook converter (Needs ~8Minutes and is called one time). Backup your dives before use!!
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246 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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247 movwf EEADRH |
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Logbook converter (Needs ~8Minutes and is called one time). Backup your dives before use!!
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248 call read_eeprom ; read byte |
64da813d4726
Logbook converter (Needs ~8Minutes and is called one time). Backup your dives before use!!
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249 movlw 0xAA |
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Logbook converter (Needs ~8Minutes and is called one time). Backup your dives before use!!
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250 cpfseq EEDATA ; is 0xAA already? |
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Logbook converter (Needs ~8Minutes and is called one time). Backup your dives before use!!
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251 call logbook_convert_64k ; No, convert now (And write 0xAA to internal EEPROM 0x100) |
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252 |
0 | 253 goto surfloop ; Jump to Surfaceloop! |
254 | |
255 | |
256 display_new_cf_installed: | |
257 call PLED_new_cf_warning ; Display new CF warning screen | |
258 movlw d'20' ; timeout for warning screen | |
259 bra startup_screen3a ; Will RETURN after timeout or button press | |
197 | 260 |
261 ;============================================================================= | |
262 ; Setup all flags and parameters for divemode and simulator computations. | |
263 ; | |
264 restart_set_modes_and_flags: ; "Call"ed from divemode, as well! | |
0 | 265 bcf gauge_mode |
266 bcf FLAG_const_ppO2_mode | |
267 bcf FLAG_apnoe_mode | |
45 | 268 |
269 ; Pre-load modes for OC, GF 90/90 and no Aponoe or Gauge. | |
197 | 270 bcf no_deco_customviews ; Clear no-deco-mode-flag |
45 | 271 movlw d'0' |
197 | 272 movff WREG,char_I_deco_model ; Clear Flagbyte |
45 | 273 ; Load GF values into RAM |
274 movlw d'90' | |
197 | 275 movff WREG,char_I_GF_Low_percentage |
276 movff WREG,char_I_GF_High_percentage ; Set to 90/90... | |
0 | 277 clrf EEADRH |
197 | 278 read_int_eeprom d'34' ; Read deco data |
279 movlw d'1' ; Gauge mode | |
0 | 280 cpfseq EEDATA |
197 | 281 bra restart_3_test_ppO2_mode ; check for ppO2 mode |
282 bsf gauge_mode ; Set flag for gauge mode | |
283 bsf no_deco_customviews ; Set no-deco-mode-flag | |
284 return ; start in Surfacemode | |
0 | 285 restart_3_test_ppO2_mode: |
197 | 286 movlw d'2' ; const ppO2 mode |
0 | 287 cpfseq EEDATA |
197 | 288 bra restart_3_test_apnoe_mode; check for apnoe mode |
289 bsf FLAG_const_ppO2_mode ; Set flag for ppO2 mode | |
290 return ; start in Surfacemode | |
0 | 291 restart_3_test_apnoe_mode: |
197 | 292 movlw d'3' ; Apnoe mode |
0 | 293 cpfseq EEDATA |
197 | 294 bra restart_4_test_gf_mode ; check for GF OC mode |
295 bsf FLAG_apnoe_mode ; Set flag for Apnoe Mode | |
296 bsf no_deco_customviews ; Set no-deco-mode-flag | |
297 return ; start in Surfacemode | |
0 | 298 restart_4_test_gf_mode: |
197 | 299 movlw d'4' ; GF OC mode |
0 | 300 cpfseq EEDATA |
197 | 301 bra restart_5_test_gfO2_mode ; check for GF CC mode |
0 | 302 movlw d'1' |
197 | 303 movff WREG,char_I_deco_model ; Set Flagbyte for GF method |
45 | 304 ; Load GF values into RAM |
197 | 305 GETCUSTOM8 d'32' ; GF low |
306 movff EEDATA,char_I_GF_Low_percentage | |
307 GETCUSTOM8 d'33' ; GF high | |
308 movff EEDATA,char_I_GF_High_percentage | |
309 return ; start in Surfacemode | |
0 | 310 restart_5_test_gfO2_mode: |
197 | 311 movlw d'5' ; GF CC mode |
0 | 312 cpfseq EEDATA |
197 | 313 return ; Start in Surfacemode |
314 bsf FLAG_const_ppO2_mode ; Set flag for ppO2 mode | |
0 | 315 movlw d'1' |
197 | 316 movff WREG,char_I_deco_model ; Set Flagbyte for GF method |
137 | 317 ; Load GF values into RAM |
197 | 318 GETCUSTOM8 d'32' ; GF low |
163 | 319 movff EEDATA,char_I_GF_Low_percentage |
197 | 320 GETCUSTOM8 d'33' ; GF high |
163 | 321 movff EEDATA,char_I_GF_High_percentage |
197 | 322 return ; start in Surfacemode |
323 | |
324 ;============================================================================= | |
0 | 325 |
326 startup_screen1: | |
327 call PLED_ClearScreen | |
328 call PLED_startupscreen1 ; show startup sreen | |
329 startup_screen1_2: | |
330 movlw d'10' ; timeout for startup screen | |
331 movwf temp1 | |
332 WAITMS d'200' | |
333 bcf switch_left | |
334 bcf switch_right | |
335 screen1_loop: | |
337 | 336 btfsc uart_dump_screen ; Asked to dump screen contains ? |
337 call dump_screen ; Yes! | |
338 | |
0 | 339 btfsc onesecupdate ; do every second tasks? |
340 call set_dive_modes ; tests if depth>threshold | |
341 btfsc onesecupdate ; do every second tasks? | |
342 decf temp1,F | |
343 bcf onesecupdate ; every second tasks done | |
344 | |
345 tstfsz temp1 ; timout occured? | |
346 bra screen1_loop2 ; no | |
347 return | |
348 | |
349 screen1_loop2: | |
350 btfsc divemode ; Divemode active? | |
351 return | |
352 btfsc switch_left ; Ack? | |
353 return | |
354 btfsc switch_right ; Ack? | |
355 return | |
356 bra screen1_loop ; loop screen | |
357 | |
358 startup_screen2: | |
359 call PLED_ClearScreen ; Page 1 | |
360 call PLED_startupscreen2 ; show startup sreen | |
361 bra startup_screen1_2 | |
362 | |
363 startup_screen3a:; WARNING: Also used for decodescriptions and CF Warning screen! | |
364 movwf temp1 | |
365 WAITMS d'200' | |
366 bcf switch_left | |
367 bcf switch_right | |
368 screen3_loop: | |
337 | 369 btfsc uart_dump_screen ; Asked to dump screen contains ? |
370 call dump_screen ; Yes! | |
371 | |
0 | 372 btfsc onesecupdate ; do every second tasks? |
373 call set_dive_modes ; tests if depth>threshold | |
374 | |
375 btfsc onesecupdate ; do every second tasks? | |
376 decf temp1,F | |
377 bcf onesecupdate ; every second tasks done | |
378 | |
379 tstfsz temp1 ; timout occured? | |
380 bra screen3_loop2 ; no | |
381 return | |
382 screen3_loop2: | |
383 btfsc switch_left ; Ack? | |
384 return | |
385 btfsc switch_right ; Ack? | |
386 return | |
387 bra screen3_loop ; loop screen | |
388 | |
337 | 389 ;============================================================================= |
390 | |
306 | 391 first_start: |
392 movlw max_custom_number ; Defined in definitions.asm | |
393 movwf EEDATA | |
394 write_int_eeprom d'92' ; Store number of CF used in this firmware | |
395 bra start3 ; continue with normal start | |
396 | |
0 | 397 init: |
398 movlw b'01101100' ; 4MHz (x4 PLL) | |
399 movwf OSCCON | |
400 | |
401 movlw b'00010001' ; I/O Ports | |
402 movwf TRISA | |
403 clrf PORTA | |
404 movlw b'00000011' | |
405 movwf TRISB | |
406 clrf PORTB | |
407 movlw b'11011101' ; UART | |
408 movwf TRISC | |
409 clrf PORTC | |
410 movlw b'00000000' | |
411 movwf TRISE | |
412 clrf PORTE | |
413 movlw b'00000000' | |
414 movwf TRISD | |
415 clrf PORTD | |
416 | |
417 movlw b'01000000' ; Bit6: PPL enable | |
418 movwf OSCTUNE | |
419 | |
420 movlw b'00011111' ; Timer0 | |
421 movwf T0CON | |
422 | |
423 movlw b'00000111' ; Timer1 | |
424 movwf T1CON | |
425 | |
426 movlw b'11010000' ; Interrups | |
427 movwf INTCON | |
428 movlw b'00000101' | |
429 movwf INTCON2 | |
430 movlw b'00001000' | |
431 movwf INTCON3 | |
432 movlw b'00100001' | |
433 movwf PIE1 | |
434 movlw b'00000000' | |
435 movwf PIE2 | |
436 clrf RCON | |
437 | |
438 movlw b'00000000' ; A/D Converter | |
439 movwf ADCON0 | |
440 movlw b'00001110' | |
441 movwf ADCON1 | |
442 movlw b'10001010' ; Right justified | |
443 movwf ADCON2 | |
444 | |
445 clrf SSPCON1 ; Set I²C Mode | |
446 movlw b'00000000' | |
447 movwf SSPSTAT | |
448 movlw b'00101000' | |
449 movwf SSPCON1 | |
450 movlw b'00000000' | |
451 movwf SSPCON2 | |
452 movlw d'8' ; 400kHz I2C clock @ 16MHz Fcy | |
453 movwf SSPADD | |
454 | |
455 clrf CCP1CON ; PWM Module off | |
456 clrf ECCP1CON ; PWM Module off | |
457 | |
458 movlw b'00000111' ; Comperator Module off | |
459 movwf CMCON | |
460 | |
461 movlw b'00100000' | |
462 movwf CANCON ; ECAN Module OFF | |
463 | |
464 movlw b'00100100' ; UART | |
465 movwf TXSTA | |
466 movlw b'10010000' | |
467 movwf RCSTA | |
468 movlw b'00001000' | |
469 movwf BAUDCON | |
470 clrf SPBRGH | |
471 movlw d'34' | |
472 movwf SPBRG | |
473 clrf RCREG | |
474 clrf PIR1 | |
475 return |