Mercurial > public > mk2
annotate code_part1/OSTC_code_asm_part1/start.asm @ 416:3abf9d7dafae
diabling uart module when no USB is attached
author | heinrichsweikamp |
---|---|
date | Mon, 18 Jul 2011 09:44:25 +0200 |
parents | b2c9cc018671 |
children | af2894e5cda4 |
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 |
380 | 62 SAFE_2BYTE_COPY amb_pressure_avg, last_surfpressure |
63 SAFE_2BYTE_COPY amb_pressure_avg, amb_pressure | |
341
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BUGFIX protect against ISR changing pressure/temperature while reading it.
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64 movff last_surfpressure+0,last_surfpressure_15min+0 |
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65 movff last_surfpressure+1,last_surfpressure_15min+1 |
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66 movff last_surfpressure+0,last_surfpressure_30min+0 |
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67 movff last_surfpressure+1,last_surfpressure_30min+1 ; Rests all airpressure registers |
0 | 68 |
233 | 69 ; Extra power-up reset (JeanDo) |
70 ifdef TESTING | |
71 call do_menu_reset_all2 | |
72 endif | |
73 | |
0 | 74 ; reset deco data |
236 | 75 ostc_debug '0' ; Sends debug-information to screen if debugmode active |
76 | |
0 | 77 movlw d'79' ; 79% N2 |
197 | 78 movff WREG,char_I_N2_ratio ; No He at the Surface |
236 | 79 clrf WREG ; Use as buffer |
80 movff WREG,char_I_He_ratio ; No He at the Surface | |
81 movff WREG,char_I_step_is_1min ; 2 second deco mode | |
82 GETCUSTOM8 d'11' ; Saturation multiplier % | |
83 movff WREG,char_I_saturation_multiplier | |
84 GETCUSTOM8 d'12' ; Desaturation multiplier % | |
85 movff WREG,char_I_desaturation_multiplier | |
341
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86 SAFE_2BYTE_COPY amb_pressure,int_I_pres_respiration ; copy for deco routine |
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87 movff int_I_pres_respiration+0,int_I_pres_surface+0 ; copy for desat routine |
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88 movff int_I_pres_respiration+1,int_I_pres_surface+1 |
0 | 89 |
116 | 90 call deco_clear_tissue ; |
91 call deco_calc_desaturation_time ; calculate desaturation time | |
92 call deco_clear_CNS_fraction ; clear CNS | |
0 | 93 call calc_deko_surfmode ; calculate desaturation every minute |
116 | 94 call deco_calc_wo_deco_step_1_min ; calculate deco in surface mode |
0 | 95 movlb b'00000001' ; select ram bank 1 |
412 | 96 clrf nofly_time+0 ; Reset NoFly |
97 clrf nofly_time+1 ; Reset NoFly | |
98 bcf nofly_active ; Clear flag | |
0 | 99 |
100 ; check firmware and reset Custom Functions after an update | |
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101 movlw d'1' |
0 | 102 movwf EEADR |
384
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103 movlw d'1' |
0 | 104 movwf EEADRH |
105 call read_eeprom ; read current version x | |
106 movff EEDATA,temp1 | |
107 incf EEADR,F ; set to 0x102 | |
108 call read_eeprom ; read current version y | |
109 movff EEDATA,temp2 | |
110 clrf EEADRH ; Reset EEADRH | |
111 | |
112 movlw softwareversion_x | |
113 cpfseq temp1 ; compare version x | |
114 bra check_firmware_new ; is not equal -> reset CF and store new version in EEPROM | |
115 | |
116 movlw softwareversion_y | |
117 cpfseq temp2 ; compare version y | |
118 bra check_firmware_new ; is not equal -> reset CF and store new version in EEPROM | |
119 bra restart ; x and y are equal -> do not reset cf | |
120 | |
121 check_firmware_new: | |
384
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122 movlw d'1' ; store current version in EEPROM |
0 | 123 movwf EEADR |
384
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124 movlw d'1' |
0 | 125 movwf EEADRH |
126 movlw softwareversion_x | |
127 movwf EEDATA | |
128 call write_eeprom ; write version x | |
129 incf EEADR,F ; set to 0x102 | |
130 movlw softwareversion_y | |
131 movwf EEDATA | |
132 call write_eeprom ; write version y | |
133 clrf EEADRH ; Reset EEADRH | |
392 | 134 |
135 ; Reset CF48 | |
136 movlw d'1' | |
393 | 137 movwf EEADRH ; EEPROM Bank1 |
392 | 138 clrf EEDATA ; =0 |
139 write_int_eeprom d'191' | |
140 write_int_eeprom d'192' | |
141 write_int_eeprom d'193' | |
142 write_int_eeprom d'194' ; Reset Default and Current Value to zero | |
393 | 143 clrf EEADRH |
366 | 144 ; goto reset_all_cf ; resets all custom functions bank0 and bank1 and jumps to "restart" |
0 | 145 |
146 restart: | |
390 | 147 movlw b'00000011' |
148 movwf T3CON ; Timer3 with 32768Hz clock running | |
149 clrf TMR3L | |
150 clrf TMR3H | |
21 | 151 bcf LED_red |
152 bcf LED_blue ; all LEDs off | |
43 | 153 GETCUSTOM8 d'48' ; time correction value |
154 movff WREG, time_correction_value ; store in Bank0 register | |
15 | 155 |
156 clrf flag1 ; clear all flags | |
157 clrf flag2 | |
158 clrf flag3 | |
159 clrf flag4 | |
160 clrf flag5 | |
161 clrf flag6 | |
162 clrf flag7 | |
163 clrf flag8 | |
164 clrf flag9 | |
165 clrf flag10 | |
166 clrf flag11 | |
167 clrf flag12 | |
168 clrf flag13 | |
169 clrf flag14 | |
170 clrf flag15 | |
153 | 171 |
169
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172 ; Should we set win_flip_screen ? |
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173 bsf flag1,0 ; Precondition to yes |
153 | 174 clrf EEADRH ; Reset EEADRH |
175 read_int_eeprom d'1' | |
176 movlw .7 | |
169
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177 cpfsgt EEDATA ; serial > 2048 (Mk2n hardware) ? |
153 | 178 bcf flag1,0 |
169
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179 incf EEDATA,W ; serial == 65535 (emulation) ? |
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180 btfsc STATUS,Z |
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181 bcf flag1,0 |
153 | 182 movff flag1,win_flags ; store in Bank0 register |
183 clrf flag1 ; Clear flag1 (again) | |
239 | 184 |
185 ; Select high altitude (Fly) mode? | |
186 movff last_surfpressure_30min+0,sub_b+0 | |
187 movff last_surfpressure_30min+1,sub_b+1 | |
188 movlw HIGH d'880' | |
189 movwf sub_a+1 | |
190 movlw LOW d'880' ; Hard-wired 880mBar | |
191 movwf sub_a+0 | |
192 call sub16 ; sub_c = sub_a - sub_b | |
193 btfss neg_flag ; Result negative (Ambient>880mBar)? | |
194 bsf high_altitude_mode ; No, Set Flag! | |
169
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195 |
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196 ; Should we disable sleep (hardware emulator) |
390 | 197 restart_loop: |
198 btfss 0xF81,0,A | |
199 bra restart_loop | |
200 btfss 0xF81,1,A | |
201 bra restart_loop | |
202 movlw 0x80 | |
203 cpfslt 0xFB3,A | |
167 | 204 bsf nsm ; NO-SLEEP-MODE : for hardware debugging |
153 | 205 |
142 | 206 call gassetup_sort_gaslist ; Sorts Gaslist according to change depth |
0 | 207 WIN_TOP .0 |
208 WIN_LEFT .0 | |
209 WIN_FONT FT_SMALL | |
210 WIN_INVERT .0 ; Init new Wordprocessor | |
83
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211 setf WREG |
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212 movff WREG,win_color1 ; Beware: win_color1 is bank0, and we are bank1 currently |
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213 movff WREG,win_color2 |
0 | 214 call I2CReset ; Just in Case any I2C device blocks the Bus |
215 movff last_surfpressure_30min+0,last_surfpressure+0 ; Use 30min old airpressure | |
216 movff last_surfpressure_30min+1,last_surfpressure+1 ; Use 30min old airpressure | |
217 | |
218 ; Check if new CF were added in the last firmware version | |
219 clrf EEADRH | |
220 read_int_eeprom d'92' ; Read number of CF used in this firmware | |
221 movlw max_custom_number ; Defined in definitions.asm | |
222 cpfseq EEDATA ; Compare with last version | |
223 bra restart_01 ; New CF, show warning and store new number | |
224 bra restart_1 ; No new CF, continue with boot | |
225 restart_01: | |
226 ; 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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227 call PLED_boot ; PLED boot (Incl. Clear Screen!) |
0 | 228 rcall display_new_cf_installed; Show warning |
229 movlw max_custom_number ; Defined in definitions.asm | |
230 movwf EEDATA | |
231 write_int_eeprom d'92' ; Store number of CF used in this firmware | |
232 | |
233 restart_1: | |
234 | |
235 ; Set Debug mode? | |
236 read_int_eeprom d'39' | |
237 bsf debug_mode | |
238 movlw d'1' | |
239 cpfseq EEDATA | |
240 bcf debug_mode ; clear flag if <> 1 | |
241 | |
362
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Logbook converter (Needs ~8Minutes and is called one time). Backup your dives before use!!
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242 ; 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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243 movlw LOW 0x100 |
64da813d4726
Logbook converter (Needs ~8Minutes and is called one time). Backup your dives before use!!
Heinrichsweikamp
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244 movwf EEADR |
64da813d4726
Logbook converter (Needs ~8Minutes and is called one time). Backup your dives before use!!
Heinrichsweikamp
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245 movlw HIGH 0x100 |
64da813d4726
Logbook converter (Needs ~8Minutes and is called one time). Backup your dives before use!!
Heinrichsweikamp
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246 movwf EEADRH |
64da813d4726
Logbook converter (Needs ~8Minutes and is called one time). Backup your dives before use!!
Heinrichsweikamp
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247 call read_eeprom ; read byte |
64da813d4726
Logbook converter (Needs ~8Minutes and is called one time). Backup your dives before use!!
Heinrichsweikamp
parents:
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248 movlw 0xAA |
64da813d4726
Logbook converter (Needs ~8Minutes and is called one time). Backup your dives before use!!
Heinrichsweikamp
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249 cpfseq EEDATA ; is 0xAA already? |
64da813d4726
Logbook converter (Needs ~8Minutes and is called one time). Backup your dives before use!!
Heinrichsweikamp
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250 call logbook_convert_64k ; No, convert now (And write 0xAA to internal EEPROM 0x100) |
64da813d4726
Logbook converter (Needs ~8Minutes and is called one time). Backup your dives before use!!
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251 |
0 | 252 goto surfloop ; Jump to Surfaceloop! |
253 | |
254 | |
255 display_new_cf_installed: | |
256 call PLED_new_cf_warning ; Display new CF warning screen | |
257 movlw d'20' ; timeout for warning screen | |
258 bra startup_screen3a ; Will RETURN after timeout or button press | |
197 | 259 |
260 ;============================================================================= | |
261 ; Setup all flags and parameters for divemode and simulator computations. | |
262 ; | |
263 restart_set_modes_and_flags: ; "Call"ed from divemode, as well! | |
0 | 264 bcf gauge_mode |
265 bcf FLAG_const_ppO2_mode | |
266 bcf FLAG_apnoe_mode | |
45 | 267 |
268 ; Pre-load modes for OC, GF 90/90 and no Aponoe or Gauge. | |
197 | 269 bcf no_deco_customviews ; Clear no-deco-mode-flag |
45 | 270 movlw d'0' |
197 | 271 movff WREG,char_I_deco_model ; Clear Flagbyte |
45 | 272 ; Load GF values into RAM |
273 movlw d'90' | |
197 | 274 movff WREG,char_I_GF_Low_percentage |
275 movff WREG,char_I_GF_High_percentage ; Set to 90/90... | |
0 | 276 clrf EEADRH |
197 | 277 read_int_eeprom d'34' ; Read deco data |
278 movlw d'1' ; Gauge mode | |
0 | 279 cpfseq EEDATA |
197 | 280 bra restart_3_test_ppO2_mode ; check for ppO2 mode |
281 bsf gauge_mode ; Set flag for gauge mode | |
282 bsf no_deco_customviews ; Set no-deco-mode-flag | |
283 return ; start in Surfacemode | |
0 | 284 restart_3_test_ppO2_mode: |
197 | 285 movlw d'2' ; const ppO2 mode |
0 | 286 cpfseq EEDATA |
197 | 287 bra restart_3_test_apnoe_mode; check for apnoe mode |
288 bsf FLAG_const_ppO2_mode ; Set flag for ppO2 mode | |
289 return ; start in Surfacemode | |
0 | 290 restart_3_test_apnoe_mode: |
197 | 291 movlw d'3' ; Apnoe mode |
0 | 292 cpfseq EEDATA |
197 | 293 bra restart_4_test_gf_mode ; check for GF OC mode |
294 bsf FLAG_apnoe_mode ; Set flag for Apnoe Mode | |
295 bsf no_deco_customviews ; Set no-deco-mode-flag | |
296 return ; start in Surfacemode | |
0 | 297 restart_4_test_gf_mode: |
197 | 298 movlw d'4' ; GF OC mode |
0 | 299 cpfseq EEDATA |
197 | 300 bra restart_5_test_gfO2_mode ; check for GF CC mode |
0 | 301 movlw d'1' |
197 | 302 movff WREG,char_I_deco_model ; Set Flagbyte for GF method |
45 | 303 ; Load GF values into RAM |
197 | 304 GETCUSTOM8 d'32' ; GF low |
305 movff EEDATA,char_I_GF_Low_percentage | |
306 GETCUSTOM8 d'33' ; GF high | |
307 movff EEDATA,char_I_GF_High_percentage | |
308 return ; start in Surfacemode | |
0 | 309 restart_5_test_gfO2_mode: |
197 | 310 movlw d'5' ; GF CC mode |
0 | 311 cpfseq EEDATA |
197 | 312 return ; Start in Surfacemode |
313 bsf FLAG_const_ppO2_mode ; Set flag for ppO2 mode | |
0 | 314 movlw d'1' |
197 | 315 movff WREG,char_I_deco_model ; Set Flagbyte for GF method |
137 | 316 ; Load GF values into RAM |
197 | 317 GETCUSTOM8 d'32' ; GF low |
163 | 318 movff EEDATA,char_I_GF_Low_percentage |
197 | 319 GETCUSTOM8 d'33' ; GF high |
163 | 320 movff EEDATA,char_I_GF_High_percentage |
197 | 321 return ; start in Surfacemode |
322 | |
323 ;============================================================================= | |
0 | 324 |
325 startup_screen1: | |
326 call PLED_ClearScreen | |
327 call PLED_startupscreen1 ; show startup sreen | |
328 startup_screen1_2: | |
329 movlw d'10' ; timeout for startup screen | |
330 movwf temp1 | |
331 WAITMS d'200' | |
332 bcf switch_left | |
333 bcf switch_right | |
334 screen1_loop: | |
337 | 335 btfsc uart_dump_screen ; Asked to dump screen contains ? |
336 call dump_screen ; Yes! | |
337 | |
0 | 338 btfsc onesecupdate ; do every second tasks? |
339 call set_dive_modes ; tests if depth>threshold | |
340 btfsc onesecupdate ; do every second tasks? | |
341 decf temp1,F | |
342 bcf onesecupdate ; every second tasks done | |
343 | |
344 tstfsz temp1 ; timout occured? | |
345 bra screen1_loop2 ; no | |
346 return | |
347 | |
348 screen1_loop2: | |
349 btfsc divemode ; Divemode active? | |
350 return | |
351 btfsc switch_left ; Ack? | |
352 return | |
353 btfsc switch_right ; Ack? | |
354 return | |
355 bra screen1_loop ; loop screen | |
356 | |
357 startup_screen2: | |
358 call PLED_ClearScreen ; Page 1 | |
359 call PLED_startupscreen2 ; show startup sreen | |
360 bra startup_screen1_2 | |
361 | |
362 startup_screen3a:; WARNING: Also used for decodescriptions and CF Warning screen! | |
363 movwf temp1 | |
364 WAITMS d'200' | |
365 bcf switch_left | |
366 bcf switch_right | |
367 screen3_loop: | |
337 | 368 btfsc uart_dump_screen ; Asked to dump screen contains ? |
369 call dump_screen ; Yes! | |
370 | |
0 | 371 btfsc onesecupdate ; do every second tasks? |
372 call set_dive_modes ; tests if depth>threshold | |
373 | |
374 btfsc onesecupdate ; do every second tasks? | |
375 decf temp1,F | |
376 bcf onesecupdate ; every second tasks done | |
377 | |
378 tstfsz temp1 ; timout occured? | |
379 bra screen3_loop2 ; no | |
380 return | |
381 screen3_loop2: | |
382 btfsc switch_left ; Ack? | |
383 return | |
384 btfsc switch_right ; Ack? | |
385 return | |
386 bra screen3_loop ; loop screen | |
387 | |
337 | 388 ;============================================================================= |
389 | |
306 | 390 first_start: |
391 movlw max_custom_number ; Defined in definitions.asm | |
392 movwf EEDATA | |
393 write_int_eeprom d'92' ; Store number of CF used in this firmware | |
394 bra start3 ; continue with normal start | |
395 | |
0 | 396 init: |
397 movlw b'01101100' ; 4MHz (x4 PLL) | |
398 movwf OSCCON | |
399 | |
400 movlw b'00010001' ; I/O Ports | |
401 movwf TRISA | |
402 clrf PORTA | |
403 movlw b'00000011' | |
404 movwf TRISB | |
405 clrf PORTB | |
406 movlw b'11011101' ; UART | |
407 movwf TRISC | |
408 clrf PORTC | |
409 movlw b'00000000' | |
410 movwf TRISE | |
411 clrf PORTE | |
412 movlw b'00000000' | |
413 movwf TRISD | |
414 clrf PORTD | |
415 | |
416 movlw b'01000000' ; Bit6: PPL enable | |
417 movwf OSCTUNE | |
418 | |
419 movlw b'00011111' ; Timer0 | |
420 movwf T0CON | |
421 | |
422 movlw b'00000111' ; Timer1 | |
423 movwf T1CON | |
424 | |
425 movlw b'11010000' ; Interrups | |
426 movwf INTCON | |
427 movlw b'00000101' | |
428 movwf INTCON2 | |
429 movlw b'00001000' | |
430 movwf INTCON3 | |
431 movlw b'00100001' | |
432 movwf PIE1 | |
433 movlw b'00000000' | |
434 movwf PIE2 | |
435 clrf RCON | |
436 | |
437 movlw b'00000000' ; A/D Converter | |
438 movwf ADCON0 | |
439 movlw b'00001110' | |
440 movwf ADCON1 | |
441 movlw b'10001010' ; Right justified | |
442 movwf ADCON2 | |
443 | |
444 clrf SSPCON1 ; Set I²C Mode | |
445 movlw b'00000000' | |
446 movwf SSPSTAT | |
447 movlw b'00101000' | |
448 movwf SSPCON1 | |
449 movlw b'00000000' | |
450 movwf SSPCON2 | |
451 movlw d'8' ; 400kHz I2C clock @ 16MHz Fcy | |
452 movwf SSPADD | |
453 | |
454 clrf CCP1CON ; PWM Module off | |
455 clrf ECCP1CON ; PWM Module off | |
456 | |
457 movlw b'00000111' ; Comperator Module off | |
458 movwf CMCON | |
459 | |
460 movlw b'00100000' | |
461 movwf CANCON ; ECAN Module OFF | |
462 | |
463 movlw b'00100100' ; UART | |
464 movwf TXSTA | |
465 movlw b'10010000' | |
466 movwf RCSTA | |
467 movlw b'00001000' | |
468 movwf BAUDCON | |
469 clrf SPBRGH | |
470 movlw d'34' | |
471 movwf SPBRG | |
472 clrf RCREG | |
473 clrf PIR1 | |
474 return |