Mercurial > public > mk2
annotate code_part1/OSTC_code_asm_part1/divemode.asm @ 288:9feb224f6871
Manage gas-switch marked stops in volume consumption.
author | JeanDo |
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date | Thu, 21 Apr 2011 04:54:12 +0200 |
parents | 5f2fe81fde9f |
children | 4dbff2aa31ee |
rev | line source |
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0 | 1 |
2 ; OSTC - diving computer code | |
3 ; Copyright (C) 2008 HeinrichsWeikamp GbR | |
4 | |
5 ; This program is free software: you can redistribute it and/or modify | |
6 ; it under the terms of the GNU General Public License as published by | |
7 ; the Free Software Foundation, either version 3 of the License, or | |
8 ; (at your option) any later version. | |
9 | |
10 ; This program is distributed in the hope that it will be useful, | |
11 ; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 ; GNU General Public License for more details. | |
14 | |
15 ; You should have received a copy of the GNU General Public License | |
16 ; along with this program. If not, see <http://www.gnu.org/licenses/>. | |
17 | |
18 | |
19 ; Mainroutines for divemode | |
20 ; written by: Matthias Heinrichs, info@heinrichsweikamp.com | |
21 ; written: 10/01/05 | |
22 ; last updated: 15/05/08 | |
23 ; known bugs: | |
24 ; ToDo: | |
25 | |
26 diveloop: | |
27 call diveloop_boot ; Boot tasks for all modes | |
28 | |
256 | 29 ; start timer3 for deco routine CPU usesage monitor |
30 movlw b'00000011' | |
31 movwf T3CON ; Timer3 with 32768Hz clock running | |
32 | |
0 | 33 ; Startup Tasks for all modes |
34 ostc_debug 'R' ; Sends debug-information to screen if debugmode active | |
35 call PLED_ClearScreen ; clean up OLED | |
36 call PLED_divemode_mask ; Display mask | |
37 call PLED_active_gas_divemode ; Display gas, if required | |
38 call PLED_temp_divemode ; Displays temperature | |
39 | |
40 btfsc FLAG_apnoe_mode | |
41 bsf realdive ; Set Realdive flag in Apnoe mode | |
42 | |
43 btfsc gauge_mode | |
44 bra diveloop_loop ; Skip in gauge mode | |
45 btfsc FLAG_apnoe_mode | |
46 bra diveloop_loop ; Skip in apnoe mode | |
47 | |
48 ; Startup Tasks for deco modes | |
49 call PLED_display_ndl_mask ; display "no stop" if not in gauge or apnoe mode | |
50 | |
51 diveloop_loop: ; The diveloop starts here | |
52 btfss onesecupdate ; tasks any new second | |
263
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53 bra diveloop_loop3 |
0 | 54 |
55 btfsc gauge_mode ; Only in gauge mode | |
56 bra diveloop_loop1a ; One Second Tasks in Gauge mode | |
57 btfsc FLAG_apnoe_mode ; Only in apnoe mode | |
58 bra diveloop_loop1b ; One Second Tasks in Apnoe mode | |
59 btfsc FLAG_const_ppO2_mode ; only in const_ppO2_mode | |
60 bra diveloop_loop1c ; One Second Tasks in const_ppO2 mode | |
61 | |
62 ; Tasks only for OC modes | |
63 call check_ppO2 ; check ppO2 and displays warning if required | |
64 call calc_deko_divemode ; calculate decompression and display result (any two seconds) | |
65 bra diveloop_loop1x ; Common Tasks | |
66 | |
67 ; Tasks only for Gauge mode | |
68 diveloop_loop1a: | |
106 | 69 btfss premenu ; Is the divemode menu active? |
0 | 70 call PLED_divemins ; display (new) divetime! |
71 call timeout_divemode ; dive finished? This routine sets the required flags | |
72 | |
73 btfsc twosecupdate ; two seconds after the last call | |
263
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74 bra diveloop_loop1a2 ; Common Tasks |
0 | 75 |
263
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76 bsf twosecupdate ; Routines used in the "other second" |
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77 call calc_average_depth ; calculate average depth |
0 | 78 |
79 bra diveloop_loop1x ; Common Tasks | |
80 | |
81 diveloop_loop1a2: | |
82 bcf twosecupdate | |
83 bra diveloop_loop1x ; Common Tasks | |
84 | |
85 ; Tasks only for Apnoe mode | |
86 diveloop_loop1b: | |
87 call divemode_apnoe_tasks ; 1 sec. Apnoe tasks | |
88 bra diveloop_loop1x ; Common Tasks | |
89 | |
90 ; Tasks only for ppO2 mode | |
91 diveloop_loop1c: | |
92 call PLED_const_ppO2_value ; display const ppO2 setting in [Bar] | |
93 call calc_deko_divemode ; calculate decompression and display result (any two seconds) | |
3 | 94 btfsc is_bailout ; Are we in Bailout mode? |
95 call check_ppO2_bail ; Yes, display ppO2 (If required) | |
96 | |
0 | 97 bra diveloop_loop1x ; Common Tasks |
98 | |
99 ; Common Tasks for all modes | |
100 diveloop_loop1x: | |
263
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101 call customview_second ; Do every-second tasks for the custom view area |
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102 |
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103 GETCUSTOM8 d'38' ; Show seconds (=1?) |
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104 movwf lo |
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105 movlw d'1' |
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106 cpfseq lo ; =1? |
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107 bra diveloop_loop1y ; No, minutes only |
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108 bsf update_divetime ; Set Update flag |
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109 diveloop_loop1y: |
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110 btfss update_divetime ; display new divetime? |
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111 bra diveloop_loop1z ; No |
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112 btfsc premenu ; Is the divemode menu active? |
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113 bra diveloop_loop1z ; Yes |
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114 call PLED_divemins ; Display (new) divetime! |
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115 |
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116 diveloop_loop1z |
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117 bcf update_divetime ; clear flag |
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118 |
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119 btfsc FLAG_const_ppO2_mode ; only in const_ppO2_mode |
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120 call PLED_const_ppO2_value ; display const ppO2 setting in [Bar] |
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121 btfsc ppO2_show_value ; show ppO2? |
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122 call check_ppO2 ; check ppO2 and displays warning if required |
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123 |
0 | 124 call timeout_divemode ; dive finished? This routine sets the required flags |
125 btfsc low_battery_state ; If battery is low, then... | |
141 | 126 call update_batt_voltage_divemode ; Display Battery Warning Text |
0 | 127 btfsc premenu ; is Menu? displayed? |
128 call timeout_premenu_divemode ; No, so check for timeout premenu | |
129 btfsc menubit ; is the Dive mode menu displayed? | |
130 call timeout_divemenu ; Yes, so check for timeout divemenu | |
131 call set_leds_divemode ; Sets warnings, if required. Also Sets buzzer | |
132 btfsc enter_error_sleep ; Enter Fatal Error Routine? | |
16 | 133 call fatal_error_sleep ; Yes (In Sleepmode_vxx.asm!) |
0 | 134 |
135 bcf onesecupdate ; one seconds update done | |
136 | |
263
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137 ; GETCUSTOM8 d'38' ; Show seconds (=1?) |
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138 ; movwf lo |
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139 ; movlw d'1' |
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140 ; cpfseq lo ; =1? |
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141 ; bra diveloop_loop2 ; No, minutes only |
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142 ; bsf update_divetime ; Set Update flag |
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143 ; |
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144 ; |
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145 ;diveloop_loop2: |
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146 ; btfss update_divetime ; display new divetime? |
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147 ; bra diveloop_loop3 ; No |
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148 ; btfsc premenu ; Is the divemode menu active? |
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149 ; bra diveloop_loop2a ; Yes |
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150 ; call PLED_divemins ; Display (new) divetime! |
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151 ; btfsc FLAG_const_ppO2_mode ; only in const_ppO2_mode |
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152 ; call PLED_const_ppO2_value ; display const ppO2 setting in [Bar] |
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153 ; btfsc ppO2_show_value ; show ppO2? |
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154 ; call check_ppO2 ; check ppO2 and displays warning if required |
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155 ; |
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156 ;diveloop_loop2a: |
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157 ; bcf update_divetime ; clear flag |
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158 ; |
0 | 159 diveloop_loop3: |
160 btfss menubit ; Divemode menu active? | |
161 call test_switches_divemode ; No, Check switches normal | |
162 | |
163 btfsc menubit ; Divemode menu active? | |
164 call test_switches_divemode_menu ; Yes, check switches divemode menu | |
165 | |
166 btfss divemode ; Dive finished? | |
167 bra end_dive ; Dive finished! | |
168 | |
169 btfsc pressure_refresh ; new pressure available? | |
170 call update_divemode1 ; Yes, display new depth | |
171 bcf pressure_refresh ; until new pressure is available | |
172 | |
173 btfsc oneminupdate ; one minute tasks | |
174 call update_divemode60 ; Update clock, etc. | |
175 | |
176 btfsc store_sample ; store new sample? | |
177 call store_dive_data ; Store profile data | |
178 | |
98
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179 btfsc toggle_customview ; Next view? |
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180 call customview_toggle ; Yes, show next customview (and delete this flag) |
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181 |
2 | 182 btfsc menubit ; Sleep only with inactive menu... |
183 bra diveloop_loop4 | |
184 | |
185 btfsc simulatormode_active ; Do not sleep in Simualtor mode | |
186 bra diveloop_loop4 | |
187 | |
0 | 188 sleep |
189 nop | |
2 | 190 diveloop_loop4: |
0 | 191 bra diveloop_loop ; Loop the divemode |
192 | |
193 timeout_premenu_divemode: | |
128 | 194 incf timeout_counter3,F ; Yes... |
0 | 195 |
128 | 196 GETCUSTOM8 d'4' ; loads premenu_timeout into WREG |
197 cpfsgt timeout_counter3 ; ... longer then premenu_timeout | |
198 return ; No! | |
0 | 199 |
128 | 200 bcf premenu ; Yes, so clear "Menu?" and clear pre_menu bit |
201 call PLED_menu_clear ; Remove "Menu?" | |
0 | 202 return |
203 | |
128 | 204 divemode_apnoe_tasks: ; 1 sec. Apnoe tasks |
0 | 205 call PLED_display_apnoe_descent ; Show descent timer |
206 | |
207 btfsc divemode2 ; Time running? | |
208 bra divemode_apnoe_tasks2 ; New descent, reset data if flag is set | |
209 | |
210 call PLED_display_apnoe_surface | |
211 incf apnoe_surface_secs,F | |
212 movlw d'60' | |
213 cpfseq apnoe_surface_secs | |
214 bra divemode_apnoe_tasks1 | |
215 clrf apnoe_surface_secs | |
216 incf apnoe_surface_mins,F | |
217 | |
218 divemode_apnoe_tasks1: | |
219 bcf FLAG_active_descent ; Clear flag | |
220 btfsc divemode2 ; Time running? | |
221 return ; Yes, return | |
222 | |
223 bsf FLAG_active_descent ; Set Flag | |
224 return | |
225 | |
226 divemode_apnoe_tasks2: | |
227 btfss FLAG_active_descent ; Are descending? | |
228 return ; No, We are at the surface | |
229 rcall apnoe_calc_maxdepth ; Yes! | |
230 | |
231 divemode_apnoe_tasks3: | |
232 call PLED_apnoe_clear_surface ; Clear Surface timer | |
233 | |
234 clrf apnoe_timeout_counter ; Delete timeout | |
235 clrf apnoe_surface_secs | |
236 clrf apnoe_surface_mins | |
237 clrf apnoe_secs | |
238 clrf apnoe_mins ; Reset Descent time | |
239 clrf max_pressure+0 | |
240 clrf max_pressure+1 ; Reset Max. Depth | |
241 bcf FLAG_active_descent ; Clear flag | |
242 return | |
243 | |
244 apnoe_calc_maxdepth: | |
245 movff apnoe_max_pressure+0,sub_a+0 | |
246 movff apnoe_max_pressure+1,sub_a+1 | |
247 movff max_pressure+0,sub_b+0 | |
248 movff max_pressure+1,sub_b+1 | |
249 call sub16 ; sub_c = sub_a - sub_b | |
250 ; apnoe_max_pressure<max_pressure -> neg_flag=1 | |
251 ; max_pressure<=apnoe_max_pressure -> neg_flag=0 | |
252 btfss neg_flag | |
253 return | |
254 ;apnoe_max_pressure<max_pressure | |
255 movff max_pressure+0,apnoe_max_pressure+0 | |
256 movff max_pressure+1,apnoe_max_pressure+1 | |
257 return | |
258 | |
259 set_leds_divemode: | |
260 movff char_O_gradient_factor,lo ; gradient factor absolute | |
261 | |
262 GETCUSTOM8 d'14' ; threshold for LED warning | |
263 cpfslt lo ; | |
264 call warn_gf1 ; show warning, set flags | |
265 | |
266 movff char_I_deco_model,lo | |
267 decfsz lo,W ; jump over return if char_I_deco_model == 1 | |
268 return | |
269 | |
270 movff char_O_relative_gradient_GF,lo ; gradient factor relative (GF model) | |
271 | |
272 GETCUSTOM8 d'14' ; threshold for LED warning | |
273 cpfslt lo ; | |
274 call warn_gf1 ; show warning, set flags | |
275 | |
276 return | |
277 | |
278 warn_gf1: | |
279 movlw d'2' ; Type of Alarm | |
280 movwf AlarmType ; Copy to Alarm Register | |
281 bsf event_occured ; Set Event Flag | |
282 return | |
283 | |
284 calc_deko_divemode: | |
285 btfsc twosecupdate ; two seconds after the last call | |
286 bra calc_deko_divemode2 ; Yes, calculate and display deco data ("first second") | |
287 | |
49 | 288 bsf twosecupdate ; No, but next second! |
0 | 289 ; Routines used in the "other second" |
290 call calc_average_depth ; calculate average depth | |
291 call calc_velocity ; calculate vertical velocity and display if > threshold (every two seconds) | |
292 | |
222
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293 ; calculate ppO2 in 0.01Bar (e.g. 150 = 1.50 Bar ppO2) |
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294 movff amb_pressure+0,xA+0 ; P_amb in milibar (1000 = 1.000 bar). |
0 | 295 movff amb_pressure+1,xA+1 |
49 | 296 movlw d'10' |
0 | 297 movwf xB+0 |
298 clrf xB+1 | |
222
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299 call div16x16 ; xC=p_amb/10 (100 = 1.00 bar). |
0 | 300 movff xC+0,xA+0 |
301 movff xC+1,xA+1 | |
302 movff char_I_O2_ratio,xB+0 | |
303 clrf xB+1 | |
222
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304 call mult16x16 ; char_I_O2_ratio * (p_amb/10) |
0 | 305 movff xC+0,xA+0 |
306 movff xC+1,xA+1 | |
49 | 307 movlw d'100' |
0 | 308 movwf xB+0 |
309 clrf xB+1 | |
310 call div16x16 ; xC=(char_I_O2_ratio * p_amb/10)/100 | |
311 | |
312 ; Copy ppO2 for CNS calculation | |
250 | 313 tstfsz xC+1 ; Is ppO2 > 2.55bar ? |
314 setf xC+0 ; yes: bound to 2.55... better than wrap around. | |
315 | |
316 movff xC+0, char_I_actual_ppO2 ; copy last ppO2 to buffer register | |
317 btfsc FLAG_const_ppO2_mode ; do in const_ppO2_mode | |
318 movff char_I_const_ppO2, char_I_actual_ppO2 ; copy last ppO2 to buffer register | |
0 | 319 |
320 ; Calculate CNS | |
116 | 321 call deco_calc_CNS_fraction ; calculate CNS |
0 | 322 movlb b'00000001' ; rambank 1 selected |
323 | |
324 ; Check if CNS should be displayed | |
325 movff char_O_CNS_fraction,lo ; copy into bank1 | |
326 GETCUSTOM8 d'27' ; cns_display_high | |
327 subwf lo,W | |
328 btfsc STATUS,C | |
329 call PLED_display_cns ; Show CNS | |
8 | 330 call check_gas_change ; Checks if a better gas should be selected (by user) |
331 | |
0 | 332 ; Check for decompression gases if in decomode |
333 btfss dekostop_active | |
334 bra reset_decompression_gases ; While in NDL, do not set deompression gas | |
335 | |
38 | 336 divemode_check_decogases: ; CALLed from Simulator |
286 | 337 ; Copy all gases to char_I_deco_N2_ratio and char_I_deco_He_ratio |
281 | 338 read_int_eeprom d'5' ; Read He ratio |
224 | 339 movff EEDATA,char_I_deco_He_ratio+4 ; And copy into hold register |
281 | 340 read_int_eeprom d'4' ; Read O2 ratio |
224 | 341 movff char_I_deco_He_ratio+4, wait_temp ; copy into bank1 register |
49 | 342 bsf STATUS,C ; |
343 movlw d'100' ; 100% | |
344 subfwb wait_temp,W ; minus He | |
345 subfwb EEDATA,F ; minus O2 | |
224 | 346 movff EEDATA, char_I_deco_N2_ratio+4; = N2! |
0 | 347 |
281 | 348 read_int_eeprom d'9' ; Read He ratio |
224 | 349 movff EEDATA,char_I_deco_He_ratio+3 ; And copy into hold register |
281 | 350 read_int_eeprom d'8' ; Read O2 ratio |
224 | 351 movff char_I_deco_He_ratio+3, wait_temp ; copy into bank1 register |
49 | 352 bsf STATUS,C ; |
353 movlw d'100' ; 100% | |
354 subfwb wait_temp,W ; minus He | |
355 subfwb EEDATA,F ; minus O2 | |
224 | 356 movff EEDATA, char_I_deco_N2_ratio+3; = N2! |
49 | 357 |
281 | 358 read_int_eeprom d'13' ; Read He ratio |
224 | 359 movff EEDATA,char_I_deco_He_ratio+2 ; And copy into hold register |
281 | 360 read_int_eeprom d'12' ; Read O2 ratio |
224 | 361 movff char_I_deco_He_ratio+2, wait_temp ; copy into bank1 register |
49 | 362 bsf STATUS,C ; |
363 movlw d'100' ; 100% | |
364 subfwb wait_temp,W ; minus He | |
365 subfwb EEDATA,F ; minus O2 | |
224 | 366 movff EEDATA, char_I_deco_N2_ratio+2; = N2! |
49 | 367 |
281 | 368 read_int_eeprom d'17' ; Read He ratio |
224 | 369 movff EEDATA,char_I_deco_He_ratio+1 ; And copy into hold register |
281 | 370 read_int_eeprom d'16' ; Read O2 ratio |
224 | 371 movff char_I_deco_He_ratio+1, wait_temp ; copy into bank1 register |
49 | 372 bsf STATUS,C ; |
373 movlw d'100' ; 100% | |
374 subfwb wait_temp,W ; minus He | |
375 subfwb EEDATA,F ; minus O2 | |
224 | 376 movff EEDATA, char_I_deco_N2_ratio+1; = N2! |
0 | 377 |
281 | 378 read_int_eeprom d'21' ; Read He ratio |
224 | 379 movff EEDATA,char_I_deco_He_ratio+0; And copy into hold register |
281 | 380 read_int_eeprom d'20' ; Read O2 ratio |
224 | 381 movff char_I_deco_He_ratio+0, wait_temp ; copy into bank1 register |
39 | 382 bsf STATUS,C ; |
383 movlw d'100' ; 100% | |
384 subfwb wait_temp,W ; minus He | |
385 subfwb EEDATA,F ; minus O2 | |
224 | 386 movff EEDATA, char_I_deco_N2_ratio+0; = N2! |
39 | 387 |
281 | 388 read_int_eeprom d'28' ; read gas_change_depth Gas1 |
221 | 389 btfss sorted_gaslist_active,0 ; Apply depth? |
390 clrf EEDATA ; No, clear! | |
222
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391 movff EEDATA,char_I_deco_gas_change+4 ; Yes! |
221 | 392 |
281 | 393 read_int_eeprom d'29' ; read gas_change_depth Gas2 |
221 | 394 btfss sorted_gaslist_active,1 ; Apply depth? |
395 clrf EEDATA ; No, clear! | |
222
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396 movff EEDATA,char_I_deco_gas_change+3 ; Yes! |
45 | 397 |
281 | 398 read_int_eeprom d'30' ; read gas_change_depth Gas3 |
221 | 399 btfss sorted_gaslist_active,2 ; Apply depth? |
400 clrf EEDATA ; No, clear! | |
222
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401 movff EEDATA,char_I_deco_gas_change+2 ; Yes! |
221 | 402 |
281 | 403 read_int_eeprom d'31' ; read gas_change_depth Gas4 |
221 | 404 btfss sorted_gaslist_active,3 ; Apply depth? |
405 clrf EEDATA ; No, clear! | |
222
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406 movff EEDATA,char_I_deco_gas_change+1 ; Yes! |
221 | 407 |
281 | 408 read_int_eeprom d'32' ; read gas_change_depth Gas5 |
221 | 409 btfss sorted_gaslist_active,4 ; Apply depth? |
410 clrf EEDATA ; No, clear! | |
222
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411 movff EEDATA,char_I_deco_gas_change+0 ; Yes! |
38 | 412 |
413 ; Debugger | |
45 | 414 ; call enable_rs232 |
224 | 415 ; movff char_I_deco_He_ratio+4,TXREG |
39 | 416 ; call rs232_wait_tx ; wait for UART |
224 | 417 ; movff char_I_deco_N2_ratio+4,TXREG |
39 | 418 ; call rs232_wait_tx ; wait for UART |
224 | 419 ; movff char_I_deco_He_ratio+3,TXREG |
39 | 420 ; call rs232_wait_tx ; wait for UART |
224 | 421 ; movff char_I_deco_N2_ratio+3,TXREG |
39 | 422 ; call rs232_wait_tx ; wait for UART |
224 | 423 ; movff char_I_deco_He_ratio+2,TXREG |
39 | 424 ; call rs232_wait_tx ; wait for UART |
224 | 425 ; movff char_I_deco_N2_ratio+2,TXREG |
39 | 426 ; call rs232_wait_tx ; wait for UART |
224 | 427 ; movff char_I_deco_He_ratio+1,TXREG |
39 | 428 ; call rs232_wait_tx ; wait for UART |
224 | 429 ; movff char_I_deco_N2_ratio+1,TXREG |
39 | 430 ; call rs232_wait_tx ; wait for UART |
431 ; movff char_I_deco_He_ratio,TXREG | |
432 ; call rs232_wait_tx ; wait for UART | |
433 ; movff char_I_deco_N2_ratio,TXREG | |
434 ; call rs232_wait_tx ; wait for UART | |
435 ; movff char_I_deco_gas_change5,TXREG | |
436 ; call rs232_wait_tx ; wait for UART | |
437 ; movff char_I_deco_gas_change4,TXREG | |
438 ; call rs232_wait_tx ; wait for UART | |
439 ; movff char_I_deco_gas_change3,TXREG | |
221 | 440 ; call rs232_wait_tx ; wait for UART |
39 | 441 ; movff char_I_deco_gas_change2,TXREG |
442 ; call rs232_wait_tx ; wait for UART | |
443 ; movff char_I_deco_gas_change,TXREG | |
444 ; call rs232_wait_tx ; wait for UART | |
47 | 445 |
33 | 446 return |
0 | 447 |
448 reset_decompression_gases: ; reset the deco gas while in NDL | |
449 ostc_debug 'F' ; Sends debug-information to screen if debugmode active | |
450 clrf lo | |
222
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451 movff lo,char_I_deco_gas_change+4 |
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452 movff lo,char_I_deco_gas_change+3 |
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453 movff lo,char_I_deco_gas_change+2 |
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454 movff lo,char_I_deco_gas_change+1 |
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455 movff lo,char_I_deco_gas_change+0 ; clear |
0 | 456 return |
457 | |
458 calc_deko_divemode2: | |
459 bcf twosecupdate | |
460 | |
461 btfsc gauge_mode ; ignore decompression calculation in gauge mode | |
462 return | |
463 btfsc FLAG_apnoe_mode ; ignore decompression calculation in apnoe mode | |
464 return | |
465 | |
466 ostc_debug 'B' ; Sends debug-information to screen if debugmode active | |
467 call divemode_prepare_flags_for_deco | |
40 | 468 movlw d'0' |
469 movff WREG,char_I_step_is_1min ; 2 second deco mode | |
470 | |
256 | 471 clrf TMR3L |
472 clrf TMR3H ; Reset Timer3 | |
473 | |
116 | 474 call deco_calc_hauptroutine ; calc_tissue |
0 | 475 movlb b'00000001' ; rambank 1 selected |
476 ostc_debug 'C' ; Sends debug-information to screen if debugmode active | |
477 | |
256 | 478 btfss debug_mode ; Are we in debugmode? |
479 bra calc_deko_divemode4 ; No... | |
480 | |
481 ; Show timer3 reading converted into ms (Error: +2,3%) in custom area | |
482 movff TMR3L,lo | |
483 movff TMR3H,hi | |
484 bcf STATUS,C | |
485 rrcf hi | |
486 rrcf lo ;/2 | |
487 bcf STATUS,C | |
488 rrcf hi | |
489 rrcf lo ;/4 | |
490 bcf STATUS,C | |
491 rrcf hi | |
492 rrcf lo ;/8 | |
493 bcf STATUS,C | |
494 rrcf hi | |
495 rrcf lo ;/16 | |
496 bcf STATUS,C | |
497 rrcf hi | |
498 rrcf lo ;/32 | |
499 | |
500 WIN_TOP .216 | |
501 WIN_LEFT .100 | |
502 WIN_FONT FT_SMALL | |
503 STRCPY "ms:" | |
504 output_16 | |
505 call word_processor | |
506 | |
507 calc_deko_divemode4: | |
508 | |
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509 movff char_O_first_deco_depth,wait_temp ; copy ceiling to temp register |
0 | 510 tstfsz wait_temp ; Ceiling<0m? |
511 bra calc_deko_divemode3 ; Yes! | |
512 | |
513 btfsc dekostop_active | |
514 call PLED_display_ndl_mask ; Clear deco data, display nostop time | |
515 bcf dekostop_active ; clear flag | |
516 | |
517 clrf decodata+0 ; for profile memory | |
518 movff char_O_nullzeit,decodata+1 ; nostop time | |
519 | |
520 call PLED_display_ndl ; display no deco limit | |
521 return | |
522 | |
124 | 523 ;----------------------------------------------------------------------------- |
69 | 524 |
237 | 525 divemode_prepare_flags_for_deco: |
0 | 526 movff amb_pressure+0,int_I_pres_respiration+0 ; lo and copy result to deco routine |
527 movff amb_pressure+1,int_I_pres_respiration+1 ; hi | |
197 | 528 GETCUSTOM8 d'11' ; Saturation multiplier % |
529 movff WREG,char_I_saturation_multiplier | |
530 GETCUSTOM8 d'12' ; Desaturation multiplier % | |
531 movff WREG,char_I_desaturation_multiplier | |
532 GETCUSTOM8 d'16' ; Deco distance to decostop in 1/10 meter for simulation | |
533 movff WREG,char_I_deco_distance | |
534 GETCUSTOM8 d'29' ; Depth Last Deco in meter for simulation | |
535 movff WREG,char_I_depth_last_deco | |
203 | 536 movff divemins+0,int_I_divemins+0 ; Current dive time. |
537 movff divemins+1,int_I_divemins+1 | |
197 | 538 goto restart_set_modes_and_flags ; Sets decomode (char_I_deco_model) and flags (again) |
0 | 539 |
540 calc_deko_divemode3: | |
541 btfss dekostop_active | |
197 | 542 call PLED_display_deko_mask ; clear nostop time, display decodata |
0 | 543 bsf dekostop_active ; Set flag |
544 | |
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545 movff char_O_first_deco_depth,decodata+0 ; ceiling |
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546 movff char_O_first_deco_time,decodata+1 ; length of first stop in minues |
0 | 547 |
548 call PLED_display_deko ; display decodata | |
549 return | |
550 | |
551 store_dive_data: ; CF20 seconds gone | |
552 bcf store_sample ; update only any CF20 seconds | |
553 bsf update_divetime ; update divemins every CF20 seconds | |
554 | |
233 | 555 ifndef __DEBUG |
556 btfsc simulatormode_active ; Are we in simulator mode? | |
557 return ; Yes, discard everything | |
558 endif | |
33 | 559 |
0 | 560 btfsc header_stored ; Header already stored? |
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561 bra store_dive_data2 ; Yes, store only profile data |
0 | 562 bsf header_stored ; Store header |
563 | |
564 movff eeprom_address+0, eeprom_header_address+0 ; store startposition | |
565 movff eeprom_address+1, eeprom_header_address+1 ; store startposition | |
566 | |
567 ; shift address for header | |
568 ; the header will be stored after the dive | |
569 incf_eeprom_address d'47' ; Macro, that adds 8Bit to eeprom_address:2 with banking at 0x8000 | |
570 | |
571 store_dive_data2: | |
572 movf rel_pressure+0,W ; store depth with every sample | |
573 call write_external_eeprom | |
574 movf rel_pressure+1,W | |
575 call write_external_eeprom | |
576 | |
577 ;First, find out how many bytes will append to this sample.... | |
578 clrf ProfileFlagByte ; clear number of bytes to append | |
579 | |
580 ; Check Extented informations | |
581 decfsz divisor_temperature,W ; Check divisor | |
582 bra check_extended1 | |
583 movlw d'2' ; Information length | |
584 addwf ProfileFlagByte,F ; add to ProfileFlagByte | |
585 check_extended1: | |
586 decfsz divisor_deco,W ; Check divisor | |
587 bra check_extended2 | |
588 movlw d'2' ; Information length | |
589 addwf ProfileFlagByte,F ; add to ProfileFlagByte | |
590 check_extended2: | |
591 decfsz divisor_tank,W ; Check divisor | |
592 bra check_extended3 | |
593 movlw d'2' ; Information length | |
594 addwf ProfileFlagByte,F ; add to ProfileFlagByte | |
595 check_extended3: | |
596 decfsz divisor_ppo2,W ; Check divisor | |
597 bra check_extended4 | |
598 movlw d'3' ; Information length | |
599 addwf ProfileFlagByte,F ; add to ProfileFlagByte | |
600 check_extended4: | |
601 decfsz divisor_deco_debug,W; Check divisor | |
602 bra check_extended5 | |
603 movlw d'9' ; Information length | |
604 addwf ProfileFlagByte,F ; add to ProfileFlagByte | |
605 check_extended5: | |
606 decfsz divisor_nuy2,W ; Check divisor | |
607 bra check_extended6 | |
608 movlw d'0' ; Information length | |
609 addwf ProfileFlagByte,F ; add to ProfileFlagByte | |
610 check_extended6: | |
611 | |
612 ; Second, check global event flag | |
613 btfss event_occured ; Check global event flag | |
614 bra store_dive_data3 ; No Event | |
615 movlw d'1' | |
616 addwf ProfileFlagByte,F ; add one byte (The EventByte) | |
617 | |
618 clrf EventByte ; reset EventByte | |
619 | |
620 movf AlarmType,W ; Type of Alarm Bit 0-3 | |
621 addwf EventByte,F ; Copy to EventByte Bit 0-3 | |
622 clrf AlarmType ; Reset AlarmType | |
623 | |
624 ; Third, check events and add aditional bytes | |
625 btfss manual_gas_changed ; Check flag | |
626 bra check_event1 | |
627 movlw d'2' ; Information length | |
628 addwf ProfileFlagByte,F ; add to ProfileFlagByte | |
629 bsf EventByte,4 ; Also set Flag in EventByte! | |
630 check_event1: | |
631 btfss stored_gas_changed ; Check flag | |
632 bra check_event2 | |
633 movlw d'1' ; Information length | |
634 addwf ProfileFlagByte,F ; add to ProfileFlagByte | |
635 bsf EventByte,5 ; Also set Flag in EventByte! | |
636 check_event2: | |
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637 btfss setpoint_changed ; Check flag |
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638 bra check_event3 |
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639 movlw d'1' ; Information length |
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640 addwf ProfileFlagByte,F ; add to ProfileFlagByte |
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641 bsf EventByte,6 ; Also set Flag in EventByte! |
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642 check_event3: |
0 | 643 bsf ProfileFlagByte,7 ; Set EventByte Flag in ProfileFlagByte |
644 | |
645 store_dive_data3: | |
646 movf ProfileFlagByte,W ; finally, write ProfileFlagByte! | |
647 call write_external_eeprom | |
648 | |
649 btfss event_occured ; Check global event flag (again) | |
650 bra store_dive_data4 ; No Event | |
651 | |
652 ; Store the EventByte + additional bytes now | |
653 movf EventByte,W | |
654 call write_external_eeprom | |
655 | |
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656 btfss manual_gas_changed ; Check flag |
0 | 657 bra store_dive_data3a |
658 read_int_eeprom d'24' ; % O2 Gas6 | |
659 movf EEDATA,W | |
660 call write_external_eeprom | |
661 read_int_eeprom d'25' ; % He Gas6 | |
662 movf EEDATA,W | |
663 call write_external_eeprom | |
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664 bcf manual_gas_changed ; Clear this event |
0 | 665 |
666 store_dive_data3a: | |
667 btfss stored_gas_changed ; Check flag | |
668 bra store_dive_data3b | |
669 movf active_gas,W ; Store active gas | |
670 call write_external_eeprom | |
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671 bcf stored_gas_changed ; Clear this event |
0 | 672 store_dive_data3b: |
673 | |
674 store_dive_data4: | |
675 | |
676 ; Store extended informations | |
677 decfsz divisor_temperature,F ; Check divisor | |
678 bra store_extended1 | |
679 rcall store_dive_temperature | |
680 store_extended1: | |
681 decfsz divisor_deco,F ; Check divisor | |
682 bra store_extended2 | |
683 rcall store_dive_decodata | |
684 store_extended2: | |
685 decfsz divisor_tank,F ; Check divisor | |
686 bra store_extended3 | |
687 rcall store_dive_tankdata | |
688 store_extended3: | |
689 decfsz divisor_ppo2,F ; Check divisor | |
690 bra store_extended4 | |
691 rcall store_dive_ppo2 | |
692 store_extended4: | |
693 decfsz divisor_deco_debug,F; Check divisor | |
694 bra store_extended5 | |
695 rcall store_dive_decodebug | |
696 store_extended5: | |
697 decfsz divisor_nuy2,F ; Check divisor | |
698 bra store_extended6 | |
699 rcall store_dive_nuy2 | |
700 store_extended6: | |
701 | |
702 ; The next block is required to take care of "store never" | |
703 btfsc divisor_temperature,7 ; Test highest Bit (Register must have been zero before the "decfsz" command!) | |
704 clrf divisor_temperature ; And clear register again, so it will never reach zero... | |
705 btfsc divisor_deco,7 ; Test highest Bit (Register must have been zero before the "decfsz" command!) | |
706 clrf divisor_deco ; And clear register again, so it will never reach zero... | |
707 btfsc divisor_tank,7 ; Test highest Bit (Register must have been zero before the "decfsz" command!) | |
708 clrf divisor_tank ; And clear register again, so it will never reach zero... | |
709 btfsc divisor_ppo2,7 ; Test highest Bit (Register must have been zero before the "decfsz" command!) | |
710 clrf divisor_ppo2 ; And clear register again, so it will never reach zero... | |
711 btfsc divisor_deco_debug,7 ; Test highest Bit (Register must have been zero before the "decfsz" command!) | |
712 clrf divisor_deco_debug ; And clear register again, so it will never reach zero... | |
713 btfsc divisor_nuy2,7 ; Test highest Bit (Register must have been zero before the "decfsz" command!) | |
714 clrf divisor_nuy2 ; And clear register again, so it will never reach zero... | |
715 | |
716 ostc_debug 'D' ; Sends debug-information to screen if debugmode active | |
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717 |
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718 ; SetPoint change appended to information due to compatibility reasons |
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719 btfss setpoint_changed ; Check flag |
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720 bra store_dive_data5 |
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721 movff char_I_const_ppO2,WREG ; SetPoint in cBar |
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722 call write_external_eeprom |
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723 bcf setpoint_changed ; Clear this event |
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724 |
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725 store_dive_data5: |
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726 bcf event_occured ; Clear the global event flag |
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727 return ; Done. (Sample with all informations written to EEPROM) |
0 | 728 |
729 store_dive_nuy2: | |
730 GETCUSTOM8 d'26' | |
731 movwf divisor_nuy2 ; Reload divisor from CF | |
732 return | |
733 | |
734 store_dive_decodebug: | |
171 | 735 ; Dump 9 bytes, int_O_DBS_bitfield .. char_O_NDL_at_20mtr |
736 lfsr FSR2, int_O_DBS_bitfield | |
737 movf POSTINC2,W | |
0 | 738 call write_external_eeprom ; Store in EEPROM |
171 | 739 movf POSTINC2,W |
0 | 740 call write_external_eeprom ; Store in EEPROM |
171 | 741 movf POSTINC2,W |
742 call write_external_eeprom ; Store in EEPROM | |
743 movf POSTINC2,W | |
0 | 744 call write_external_eeprom ; Store in EEPROM |
171 | 745 movf POSTINC2,W |
0 | 746 call write_external_eeprom ; Store in EEPROM |
171 | 747 movf POSTINC2,W |
0 | 748 call write_external_eeprom ; Store in EEPROM |
171 | 749 movf POSTINC2,W |
0 | 750 call write_external_eeprom ; Store in EEPROM |
171 | 751 movf POSTINC2,W |
0 | 752 call write_external_eeprom ; Store in EEPROM |
171 | 753 movf POSTINC2,W |
0 | 754 call write_external_eeprom ; Store in EEPROM |
755 GETCUSTOM8 d'25' | |
756 movwf divisor_deco_debug ; Reload divisor from CF | |
757 return | |
758 | |
759 store_dive_ppo2: | |
760 movlw 0x00 ; Dummy | |
761 call write_external_eeprom | |
762 movlw 0x00 ; Dummy | |
763 call write_external_eeprom | |
764 movlw 0x00 ; Dummy | |
765 call write_external_eeprom | |
766 GETCUSTOM8 d'24' | |
767 movwf divisor_ppo2 ; Reload divisor from CF | |
768 return | |
769 | |
770 store_dive_tankdata: | |
771 movlw d'0' ; Dummy Tank1 | |
772 call write_external_eeprom | |
773 movlw d'0' ; Dummy Tank2 | |
774 call write_external_eeprom | |
775 GETCUSTOM8 d'23' | |
776 movwf divisor_tank ; Reload divisor from CF | |
777 return | |
778 | |
779 store_dive_decodata: | |
780 movf decodata+0,W ; =0:no stop dive, if in deco mode: ceiling in m | |
781 call write_external_eeprom | |
782 movf decodata+1,W ; no stop time of length of first stop | |
783 call write_external_eeprom | |
784 GETCUSTOM8 d'22' | |
785 movwf divisor_deco ; Reload divisor from CF | |
786 return | |
787 | |
788 store_dive_temperature: | |
789 movf temperature+0,W ; append temperature to current sample! | |
790 call write_external_eeprom | |
791 movf temperature+1,W | |
792 call write_external_eeprom | |
793 GETCUSTOM8 d'21' | |
794 movwf divisor_temperature ; Reload divisor from CF | |
795 return | |
796 | |
797 calc_velocity: ; called every two seconds | |
798 btfss divemode | |
799 bra do_not_display_velocity ; display velocity only in divemode | |
800 | |
801 calc_velocity2: | |
802 movff amb_pressure+0,sub_a+0 | |
803 movff amb_pressure+1,sub_a+1 | |
804 movff last_pressure+0,sub_b+0 | |
805 movff last_pressure+1,sub_b+1 | |
806 movff amb_pressure+0,last_pressure+0 ; store old value for velocity | |
807 movff amb_pressure+1,last_pressure+1 | |
808 | |
809 call sub16 ; sub_c = amb_pressure - last_pressure | |
810 | |
811 movff sub_c+0,xA+0 | |
812 movff sub_c+1,xA+1 | |
813 movlw d'39' ;77 when called every second.... | |
814 movwf xB+0 | |
815 clrf xB+1 | |
816 call mult16x16 ; differential pressure in mBar*77... | |
817 movff xC+0,divA+0 | |
818 movff xC+1,divA+1 | |
819 movlw d'7' | |
820 movwf divB | |
821 call div16 ; devided by 2^7 equals velocity in m/min | |
822 | |
823 movlw d'99' | |
824 cpfsgt divA | |
825 bra calc_velocity3 | |
826 movwf divA ; divA=99 | |
827 | |
828 calc_velocity3: | |
829 | |
830 GETCUSTOM8 d'5' ; threshold for display vertical velocity | |
831 subwf divA+0,W ; | |
832 | |
833 btfss STATUS,C | |
834 bra do_not_display_velocity | |
835 | |
836 update_velocity: | |
837 bsf display_velocity | |
838 call PLED_display_velocity | |
839 return | |
840 | |
841 do_not_display_velocity: | |
842 btfss display_velocity ; Velocity was not displayed, do not delete | |
843 return | |
844 | |
845 bcf display_velocity ; Velocity was displayed, delete velocity now | |
846 call PLED_display_velocity_clear | |
847 return | |
848 | |
237 | 849 check_ppO2: ; check current ppO2 and display warning if required |
850 btfsc FLAG_const_ppO2_mode ; ignore in ppO2 mode.... | |
0 | 851 return |
852 | |
3 | 853 check_ppO2_bail: ; In CC mode but bailout active! |
0 | 854 movff amb_pressure+0,xA+0 |
855 movff amb_pressure+1,xA+1 | |
856 movlw d'10' | |
857 movwf xB+0 | |
858 clrf xB+1 | |
859 call div16x16 ; xC=p_amb/10 | |
860 movff xC+0,xA+0 | |
861 movff xC+1,xA+1 | |
862 movff char_I_O2_ratio,xB+0 | |
863 clrf xB+1 | |
864 call mult16x16 ; char_I_O2_ratio * p_amb/10 | |
865 | |
74 | 866 ; Check very high ppO2 manually |
867 tstfsz xC+2 ; char_I_O2_ratio * p_amb/10 > 65536, ppO2>6,55Bar? | |
868 bra check_ppO2_bail2 ; Yes, display Value! | |
869 | |
0 | 870 ; Check if ppO2 should be displayed |
871 movff xC+0,sub_b+0 | |
872 movff xC+1,sub_b+1 | |
873 GETCUSTOM8 d'19' ; ppo2_display_high | |
874 mullw d'100' ; ppo2_display_high*100 | |
875 movff PRODL,sub_a+0 | |
876 movff PRODH,sub_a+1 | |
877 call sub16 | |
878 bcf ppO2_show_value ; clear flag | |
879 btfsc neg_flag | |
880 bsf ppO2_show_value ; set flag if required | |
881 | |
882 ;check if we are within our warning thresholds! | |
883 bcf ppO2_warn_value ; clear flag | |
884 movff xC+0,sub_b+0 | |
885 movff xC+1,sub_b+1 | |
886 GETCUSTOM8 d'18' ; ppo2_warning_high | |
887 mullw d'100' ; ppo2_warning_high*100 | |
888 movff PRODL,sub_a+0 | |
889 movff PRODH,sub_a+1 | |
890 call sub16 | |
891 btfss neg_flag | |
892 bra check_ppO2_0 ; Not too high | |
893 | |
74 | 894 check_ppO2_bail2: |
895 bsf ppO2_show_value ; set flag if required | |
0 | 896 bsf ppO2_warn_value ; set flag |
897 movlw d'5' ; Type of Alarm | |
898 movwf AlarmType ; Copy to Alarm Register | |
899 bsf event_occured ; Set Event Flag | |
900 | |
901 check_ppO2_0: | |
902 movff xC+0,sub_b+0 | |
903 movff xC+1,sub_b+1 | |
210 | 904 GETCUSTOM8 d'17' ; ppo2_warning_low |
905 mullw d'100' ; ppo2_warning_low*100 | |
0 | 906 movff PRODL,sub_a+0 |
907 movff PRODH,sub_a+1 | |
908 call sub16 | |
909 btfsc neg_flag | |
910 bra check_ppO2_1 ; Not too low | |
911 | |
912 bsf ppO2_warn_value ; set flag | |
913 bsf ppO2_show_value ; show ppO2 if below threshold! | |
914 movlw d'4' ; Type of Alarm | |
915 movwf AlarmType ; Copy to Alarm Register | |
916 bsf event_occured ; Set Event Flag | |
917 | |
918 check_ppO2_1: | |
919 btfsc ppO2_show_value ; show value? | |
920 bra check_ppO2_2 ; yes! | |
921 | |
922 btfss ppO2_display_active ; is the value displayed? | |
923 bra check_ppO2_3 ; No, so clear not required | |
924 | |
925 call PLED_show_ppO2_clear; Clear ppO2 value | |
926 bcf ppO2_display_active ; clear flag | |
927 bra check_ppO2_3 ; done | |
928 | |
929 check_ppO2_2: | |
930 call PLED_show_ppO2 ; Display ppO2 (stored in xC) | |
931 bsf ppO2_display_active ; Set flag | |
932 | |
933 check_ppO2_3: | |
934 return ; done | |
935 | |
936 | |
210 | 937 check_gas_change: ; Checks if a better gas should be selected (by user) |
8 | 938 bcf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode |
939 | |
940 movff rel_pressure+0,xA+0 | |
941 movff rel_pressure+1,xA+1 | |
942 movlw d'100' | |
943 movwf xB+0 | |
944 clrf xB+1 | |
945 call div16x16 ; compute depth in full m -> result in xC+0 | |
946 | |
947 check_gas_change1: ; check gas1 | |
287 | 948 btfss sorted_gaslist_active,0 ; check active flag |
8 | 949 bra check_gas_change2 ; skip inactive gases! |
950 movlw d'1' | |
951 cpfseq active_gas ; is this gas currently selected? | |
952 bra check_gas_change1x ; No... | |
953 bra check_gas_change2 ; Yes, skip depth check | |
954 check_gas_change1x: | |
955 read_int_eeprom d'28' ; read gas_change_depth | |
956 movlw d'3' | |
957 cpfsgt EEDATA ; Change depth>3m? | |
958 bra check_gas_change2 ; No, Change depth not deep enough, skip! | |
959 movf xC+0,W ; load depth in m into WREG | |
960 cpfsgt EEDATA ; gas_change_depth < current depth? | |
961 bra check_gas_change2 ; No, check next gas | |
962 movlw d'3' | |
963 subwf EEDATA,W ; Change depth-3m | |
964 cpfslt xC+0 ; current depth<Change depth-3m? | |
965 bsf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode | |
966 | |
967 check_gas_change2: ; check gas2 | |
287 | 968 btfss sorted_gaslist_active,1 ; check active flag |
8 | 969 bra check_gas_change3 ; skip inactive gases! |
970 movlw d'2' | |
971 cpfseq active_gas ; is this gas currently selected? | |
972 bra check_gas_change2x ; No... | |
973 bra check_gas_change3 ; Yes, skip depth check | |
974 check_gas_change2x: | |
975 read_int_eeprom d'29' ; read gas_change_depth | |
976 movlw d'3' | |
977 cpfsgt EEDATA ; Change depth>3m? | |
978 bra check_gas_change3 ; No, Change depth not deep enough, skip! | |
979 movf xC+0,W ; load depth in m into WREG | |
980 cpfsgt EEDATA ; gas_change_depth < current depth? | |
981 bra check_gas_change3 ; No, check next gas | |
982 movlw d'3' | |
983 subwf EEDATA,W ; Change depth-3m | |
984 cpfslt xC+0 ; current depth<Change depth-3m? | |
985 bsf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode | |
986 | |
987 check_gas_change3: ; check gas3 | |
287 | 988 btfss sorted_gaslist_active,2 ; check active flag |
8 | 989 bra check_gas_change4 ; skip inactive gases! |
990 movlw d'3' | |
991 cpfseq active_gas ; is this gas currently selected? | |
992 bra check_gas_change3x ; No... | |
993 bra check_gas_change4 ; Yes, skip depth check | |
994 check_gas_change3x: | |
995 read_int_eeprom d'30' ; read gas_change_depth | |
996 movlw d'3' | |
997 cpfsgt EEDATA ; Change depth>3m? | |
998 bra check_gas_change4 ; No, Change depth not deep enough, skip! | |
999 movf xC+0,W ; load depth in m into WREG | |
1000 cpfsgt EEDATA ; gas_change_depth < current depth? | |
1001 bra check_gas_change4 ; No, check next gas | |
1002 movlw d'3' | |
1003 subwf EEDATA,W ; Change depth-3m | |
1004 cpfslt xC+0 ; current depth<Change depth-3m? | |
1005 bsf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode | |
1006 | |
1007 check_gas_change4: ; check gas4 | |
287 | 1008 btfss sorted_gaslist_active,3 ; check active flag |
8 | 1009 bra check_gas_change5 ; skip inactive gases! |
1010 movlw d'4' | |
1011 cpfseq active_gas ; is this gas currently selected? | |
1012 bra check_gas_change4x ; No... | |
1013 bra check_gas_change5 ; Yes, skip depth check | |
1014 check_gas_change4x: | |
1015 read_int_eeprom d'31' ; read gas_change_depth | |
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1016 movlw d'3' |
8 | 1017 cpfsgt EEDATA ; Change depth>3m? |
1018 bra check_gas_change5 ; No, Change depth not deep enough, skip! | |
1019 movf xC+0,W ; load depth in m into WREG | |
1020 cpfsgt EEDATA ; gas_change_depth < current depth? | |
1021 bra check_gas_change5 ; No, check next gas | |
1022 movlw d'3' | |
1023 subwf EEDATA,W ; Change depth-3m | |
1024 cpfslt xC+0 ; current depth<Change depth-3m? | |
1025 bsf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode | |
1026 | |
1027 check_gas_change5: ; check gas5 | |
287 | 1028 btfss sorted_gaslist_active,4 ; check active flag |
8 | 1029 bra check_gas_change6 ; skip inactive gases! |
1030 movlw d'5' | |
1031 cpfseq active_gas ; is this gas currently selected? | |
1032 bra check_gas_change5x ; No... | |
1033 bra check_gas_change6 ; Yes, skip depth check | |
1034 check_gas_change5x: | |
1035 read_int_eeprom d'32' ; read gas_change_depth | |
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1036 movlw d'3' |
8 | 1037 cpfsgt EEDATA ; Change depth>3m? |
1038 bra check_gas_change6 ; No, Change depth not deep enough, skip! | |
1039 movf xC+0,W ; load depth in m into WREG | |
1040 cpfsgt EEDATA ; gas_change_depth < current depth? | |
1041 bra check_gas_change6 ; No, check next gas | |
1042 movlw d'3' | |
1043 subwf EEDATA,W ; Change depth-3m | |
1044 cpfslt xC+0 ; current depth<Change depth-3m? | |
1045 bsf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode | |
1046 | |
1047 check_gas_change6: ;Done | |
210 | 1048 call PLED_active_gas_divemode; Display gas, if required (and with "*" if irequired...) |
8 | 1049 return |
1050 | |
0 | 1051 calculate_noflytime: |
1052 ; calculate nofly time | |
1053 movff int_O_desaturation_time+0,xA+0 | |
1054 movff int_O_desaturation_time+1,xA+1 | |
251 | 1055 |
1056 btfsc xA+1,7 ; Is desat time negatif ? | |
1057 bra calculate_noflytime_3 ; Then surely not valid ! | |
1058 | |
0 | 1059 tstfsz xA+0 ; Desat=0? |
1060 bra calculate_noflytime2 | |
1061 tstfsz xA+1 ; Desat=0? | |
1062 bra calculate_noflytime2 | |
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1063 |
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1064 calculate_noflytime_3: |
0 | 1065 ; Desaturation time = zero |
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1066 clrf nofly_time+0 ; Clear nofly time |
0 | 1067 clrf nofly_time+1 ; Clear nofly time |
1068 bcf nofly_active ; Clear flag | |
1069 return | |
218 | 1070 |
0 | 1071 calculate_noflytime2: |
1072 movff xA+0,int_I_temp+0 | |
1073 movff xA+1,int_I_temp+1 | |
1074 GETCUSTOM8 .13 ; nofly_time_ratio | |
218 | 1075 movff WREG,char_I_temp |
0 | 1076 ostc_debug 'K' ; Sends debug-information to screen if debugmode active |
116 | 1077 call deco_calc_percentage |
0 | 1078 movlb b'00000001' ; select ram bank 1 |
1079 ostc_debug 'L' ; Sends debug-information to screen if debugmode active | |
1080 movff int_I_temp+0,xA+0 | |
1081 movff int_I_temp+1,xA+1 | |
1082 tstfsz xA+0 ; Desat=0? | |
1083 bra calculate_noflytime_2_final | |
1084 tstfsz xA+1 ; Desat=0? | |
1085 bra calculate_noflytime_2_final | |
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1086 bra calculate_noflytime_3 |
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1087 |
0 | 1088 calculate_noflytime_2_final: |
1089 movff xA+0,nofly_time+0 | |
1090 movff xA+1,nofly_time+1 | |
1091 bsf nofly_active ; Set flag | |
1092 return | |
1093 | |
1094 end_dive: | |
1095 btfss realdive ; dive longer then one minute | |
1096 goto end_dive_common ; No, discard everything | |
1097 | |
233 | 1098 ; In DEBUG compile, keep all simulated dives in logbook, Desat time, nofly, etc... |
1099 ifndef __DEBUG | |
1100 btfsc simulatormode_active ; Are we in simulator mode? | |
1101 goto end_dive_common ; Yes, discard everything | |
1102 endif | |
33 | 1103 |
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1104 ; Dive finished (and longer then one minute or Apnoe timeout occured) |
0 | 1105 |
1106 btfsc FLAG_apnoe_mode ; Calc max. depth (again) for very short apnoe dives | |
1107 rcall apnoe_calc_maxdepth | |
1108 | |
1109 ; calculate desaturation time | |
251 | 1110 movff last_surfpressure_30min+0,int_I_pres_surface+0 ; Pass surface to desat routine ! |
1111 movff last_surfpressure_30min+1,int_I_pres_surface+1 | |
0 | 1112 |
251 | 1113 GETCUSTOM8 d'12' ; Desaturation multiplier % |
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1114 movff WREG,char_I_desaturation_multiplier |
0 | 1115 |
1116 ostc_debug 'G' ; Sends debug-information to screen if debugmode active | |
251 | 1117 call deco_calc_desaturation_time ; calculate desaturation time |
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1118 movlb b'00000001' ; select ram bank 1 |
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1119 call calc_deko_surfmode ; work-around for nofly bug |
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1120 rcall calculate_noflytime ; Calc NoFly time |
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1121 ostc_debug 'H' ; Sends debug-information to screen if debugmode active |
0 | 1122 ; store header and ... |
1123 movlw 0xFD ; .... End-of-Profile Bytes | |
1124 call write_external_eeprom | |
1125 movlw 0xFD | |
1126 call write_external_eeprom | |
1127 movlw 0xFE ; This positon will be overwritten for the next profile | |
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1128 call write_external_eeprom ; and is required to find the newest dive after a firmware reset |
0 | 1129 |
1130 movff eeprom_header_address+0, eeprom_address+0 ; set header adress | |
1131 movff eeprom_header_address+1, eeprom_address+1 ; write header | |
1132 | |
1133 movlw 0xFA ; Header start | |
1134 call write_external_eeprom | |
1135 movlw 0xFA | |
1136 call write_external_eeprom | |
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1137 movlw logbook_profile_version ; Defined in definitions_vxyy.asm |
0 | 1138 call write_external_eeprom |
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1139 movf month,W ; Date |
0 | 1140 call write_external_eeprom |
1141 movf day,W | |
1142 call write_external_eeprom | |
1143 movf year,W | |
1144 call write_external_eeprom | |
1145 movf hours,W ; End of dive time | |
1146 call write_external_eeprom | |
1147 movf mins,W | |
1148 call write_external_eeprom | |
1149 | |
1150 btfss FLAG_apnoe_mode ; Store apnoe max or normal max (Which is only max from the last descent) | |
1151 bra end_dive1 ; Store normal depth | |
1152 | |
1153 movff apnoe_max_pressure+0,lo | |
1154 movff apnoe_max_pressure+1,hi | |
1155 call adjust_depth_with_salinity ; computes salinity setting into lo:hi [mBar] | |
1156 movff lo,apnoe_max_pressure+0 | |
1157 movff hi,apnoe_max_pressure+1 | |
1158 | |
1159 movf apnoe_max_pressure+0,W ; Max. depth | |
1160 call write_external_eeprom | |
1161 movf apnoe_max_pressure+1,W | |
1162 call write_external_eeprom | |
1163 bra end_dive2 ; skip | |
1164 | |
1165 end_dive1: | |
1166 movff max_pressure+0,lo | |
1167 movff max_pressure+1,hi | |
1168 call adjust_depth_with_salinity ; computes salinity setting into lo:hi [mBar] | |
1169 movff lo,max_pressure+0 | |
1170 movff hi,max_pressure+1 | |
1171 | |
1172 movf max_pressure+0,W ; Max. depth | |
1173 call write_external_eeprom | |
1174 movf max_pressure+1,W | |
1175 call write_external_eeprom | |
1176 | |
1177 end_dive2: | |
1178 movf divemins+0,W ; divetime minutes | |
1179 call write_external_eeprom | |
1180 movf divemins+1,W | |
1181 call write_external_eeprom | |
1182 movf divesecs,W ; divetime seconds | |
1183 call write_external_eeprom | |
1184 movf mintemp+0,W ; minimum temperature | |
1185 call write_external_eeprom | |
1186 movf mintemp+1,W | |
1187 call write_external_eeprom | |
1188 movf last_surfpressure_30min+0,W ; airpressure before dive | |
1189 call write_external_eeprom | |
1190 movf last_surfpressure_30min+1,W | |
1191 call write_external_eeprom | |
1192 movff int_O_desaturation_time+0,lo ; | |
1193 movff int_O_desaturation_time+1,hi | |
1194 movf lo,W ; desaturation time in minutes | |
1195 call write_external_eeprom | |
1196 movf hi,W ; | |
1197 call write_external_eeprom | |
1198 | |
1199 ; Gases.... | |
1200 read_int_eeprom d'6' ; Read byte (stored in EEDATA) | |
1201 movf EEDATA,W | |
1202 call write_external_eeprom | |
1203 read_int_eeprom d'7' ; Read byte (stored in EEDATA) | |
1204 movf EEDATA,W | |
1205 call write_external_eeprom | |
1206 | |
1207 read_int_eeprom d'10' ; Read byte (stored in EEDATA) | |
1208 movf EEDATA,W | |
1209 call write_external_eeprom | |
1210 read_int_eeprom d'11' ; Read byte (stored in EEDATA) | |
1211 movf EEDATA,W | |
1212 call write_external_eeprom | |
1213 | |
1214 read_int_eeprom d'14' ; Read byte (stored in EEDATA) | |
1215 movf EEDATA,W | |
1216 call write_external_eeprom | |
1217 read_int_eeprom d'15' ; Read byte (stored in EEDATA) | |
1218 movf EEDATA,W | |
1219 call write_external_eeprom | |
1220 | |
1221 read_int_eeprom d'18' ; Read byte (stored in EEDATA) | |
1222 movf EEDATA,W | |
1223 call write_external_eeprom | |
1224 read_int_eeprom d'19' ; Read byte (stored in EEDATA) | |
1225 movf EEDATA,W | |
1226 call write_external_eeprom | |
1227 | |
1228 read_int_eeprom d'22' ; Read byte (stored in EEDATA) | |
1229 movf EEDATA,W | |
1230 call write_external_eeprom | |
1231 read_int_eeprom d'23' ; Read byte (stored in EEDATA) | |
1232 movf EEDATA,W | |
1233 call write_external_eeprom | |
1234 | |
1235 read_int_eeprom d'24' ; % O2 Gas6 | |
1236 movf EEDATA,W | |
1237 call write_external_eeprom | |
1238 read_int_eeprom d'25' ; % He Gas6 | |
1239 movf EEDATA,W | |
1240 call write_external_eeprom | |
1241 read_int_eeprom d'33' ; start gas | |
1242 movf EEDATA,W | |
1243 call write_external_eeprom | |
1244 | |
1245 movlw softwareversion_x ; Firmware version | |
1246 call write_external_eeprom | |
1247 movlw softwareversion_y | |
1248 call write_external_eeprom | |
1249 movf batt_voltage+0,W ; Battery voltage | |
1250 call write_external_eeprom | |
1251 movf batt_voltage+1,W | |
1252 call write_external_eeprom | |
1253 | |
1254 GETCUSTOM8 d'20' ; sampling rate in WREG | |
1255 btfsc FLAG_apnoe_mode ; Apnoe mode? | |
1256 movlw d'1' ; Apnoe sampling rate | |
1257 call write_external_eeprom | |
1258 | |
1259 movlw d'2' ; information size temperature | |
1260 movwf temp1 ; copy to bits 0-3 | |
1261 swapf temp1,F ; swap nibbels 0-3 with 4-7 | |
1262 GETCUSTOM8 d'21' ; Divisor temperature | |
1263 addwf temp1,W ; copy to bits 0-3, result in WREG | |
1264 call write_external_eeprom | |
1265 | |
1266 movlw d'2' ; information size deco | |
1267 movwf temp1 ; copy to bits 0-3 | |
1268 swapf temp1,F ; swap nibbels 0-3 with 4-7 | |
1269 GETCUSTOM8 d'22' ; Divisor deco | |
1270 addwf temp1,W ; copy to bits 0-3, result in WREG | |
1271 call write_external_eeprom | |
1272 | |
1273 movlw d'2' ; information size tank | |
1274 movwf temp1 ; copy to bits 0-3 | |
1275 swapf temp1,F ; swap nibbels 0-3 with 4-7 | |
1276 GETCUSTOM8 d'23' ; Divisor Tank | |
1277 addwf temp1,W ; copy to bits 0-3, result in WREG | |
1278 call write_external_eeprom | |
1279 | |
1280 movlw d'3' ; information size pp02 | |
1281 movwf temp1 ; copy to bits 0-3 | |
1282 swapf temp1,F ; swap nibbels 0-3 with 4-7 | |
1283 GETCUSTOM8 d'24' ; Divisor pp02 | |
1284 addwf temp1,W ; copy to bits 0-3, result in WREG | |
1285 call write_external_eeprom | |
1286 | |
1287 movlw d'9' ; information size Decodebug | |
1288 movwf temp1 ; copy to bits 0-3 | |
1289 swapf temp1,F ; swap nibbels 0-3 with 4-7 | |
1290 GETCUSTOM8 d'25' ; Divisor Decodebug | |
1291 addwf temp1,W ; copy to bits 0-3, result in WREG | |
1292 call write_external_eeprom | |
1293 | |
1294 movlw d'0' ; information size nuy2 | |
1295 movwf temp1 ; copy to bits 0-3 | |
1296 swapf temp1,F ; swap nibbels 0-3 with 4-7 | |
1297 GETCUSTOM8 d'26' ; Divisor nuy2 | |
1298 addwf temp1,W ; copy to bits 0-3, result in WREG | |
1299 call write_external_eeprom | |
1300 | |
1301 read_int_eeprom d'26' ; Read Salinity from EEPROM | |
1302 movf EEDATA,W | |
1303 call write_external_eeprom ; Store Salinity to Dive | |
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1304 |
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1305 movff char_O_CNS_fraction,WREG ; copy into bank1 |
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1306 call write_external_eeprom ; Stores CNS% |
0 | 1307 |
1308 movlw 0xFB ; Header stop | |
1309 call write_external_eeprom | |
1310 movlw 0xFB | |
1311 call write_external_eeprom | |
1312 | |
1313 ; Increase total dive counter | |
1314 read_int_eeprom d'2' ; Read byte (stored in EEDATA) | |
1315 movff EEDATA,temp1 ; Low byte | |
1316 read_int_eeprom d'3' ; Read byte (stored in EEDATA) | |
1317 movff EEDATA,temp2 ; high byte | |
1318 bcf STATUS,C | |
1319 movlw d'1' | |
1320 addwf temp1 | |
1321 movlw d'0' | |
1322 addwfc temp2 | |
1323 movff temp1,EEDATA | |
1324 write_int_eeprom d'2' ; write byte stored in EEDATA | |
1325 movff temp2,EEDATA | |
1326 write_int_eeprom d'3' ; write byte stored in EEDATA | |
1327 | |
1328 GETCUSTOM15 .28 ; Logbook Offset -> lo, hi | |
1329 tstfsz lo ; lo=0? | |
1330 bra change_logbook_offset1 ; No, adjust offset | |
1331 tstfsz hi ; hi=0? | |
1332 bra change_logbook_offset1 ; No, adjust offset | |
1333 bra change_logbook_offset2 ; lo=0 and hi=0 -> skip Offset routine | |
1334 change_logbook_offset1: | |
1335 movlw d'1' | |
1336 addwf lo | |
1337 movlw d'0' | |
1338 addwfc hi | |
1339 movlw d'112' ; CF28 *4 Bytes... | |
1340 addlw 0x82 | |
1341 movwf EEADR | |
1342 movff lo,EEDATA | |
1343 call write_eeprom ; Lowbyte | |
1344 movlw d'112' ; CF28 *4 Bytes... | |
1345 addlw 0x83 | |
1346 movwf EEADR | |
1347 movff hi,EEDATA | |
1348 call write_eeprom ; Highbyte | |
1349 | |
1350 change_logbook_offset2: | |
25 | 1351 bcf LED_blue |
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1352 clrf surface_interval+0 |
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1353 clrf surface_interval+1 ; Clear surface interval timer |
33 | 1354 |
1355 end_dive_common: | |
0 | 1356 bcf simulatormode_active ; if we were in simulator mode |
1357 | |
1358 btfsc restore_deco_data ; Restore decodata? | |
1359 call simulator_restore_tissue_data ; Yes! | |
1360 | |
1361 goto surfloop ; and return to surfaceloop | |
1362 | |
1363 timeout_divemode: | |
1364 btfss realdive ; Dive longer then one minute | |
1365 return | |
1366 | |
1367 btfsc FLAG_apnoe_mode ; In Apnoe mode? | |
1368 bra timeout_divemode2 ; Yes, use CF30 [min] for timeout | |
1369 | |
233 | 1370 ifndef __DEBUG |
1371 btfsc simulatormode_active ; In Simulator mode? | |
1372 bra timeout_divemode3 ; Yes, use fixed 5 seconds timeout | |
1373 endif | |
0 | 1374 |
1375 bcf divemode | |
1376 incf timeout_counter,F | |
1377 GETCUSTOM8 d'2' ; diveloop_timeout | |
1378 addlw d'2' ; adds two seconds in case timout=zero! | |
1379 btfsc STATUS,C ; > 255? | |
1380 movlw d'255' ; Set to 255... | |
1381 decf WREG,F ; Limit to 254 | |
1382 cpfsgt timeout_counter | |
1383 bsf divemode | |
1384 return | |
1385 | |
1386 timeout_divemode2: | |
1387 incf timeout_counter,F ; seconds... | |
1388 movlw d'60' | |
1389 cpfseq timeout_counter ; timeout_counter=60? | |
1390 return ; No. | |
1391 | |
1392 clrf timeout_counter | |
1393 bcf divemode | |
1394 incf apnoe_timeout_counter,F | |
1395 GETCUSTOM8 d'30' ; apnoe timeout [min] | |
1396 cpfseq apnoe_timeout_counter | |
1397 bsf divemode | |
1398 return | |
1399 | |
1400 timeout_divemode3: | |
1401 bcf divemode | |
1402 incf timeout_counter,F | |
1403 movlw d'5' ; Fixed timeout of 5 seconds | |
1404 cpfsgt timeout_counter | |
1405 bsf divemode | |
1406 return | |
1407 | |
1408 update_divemode1: ; update any second | |
1409 call set_dive_modes ; tests if depth>threshold | |
1410 | |
1411 btfsc divemode | |
1412 call set_max_depth ; update max. depth if required | |
1413 | |
1414 btfsc divemode | |
1415 call set_min_temp ; store min. temp if required | |
1416 | |
1417 bcf temp_changed ; Display temperature? | |
1418 movf temperature+0,W | |
1419 cpfseq last_temperature+0 | |
1420 bsf temp_changed ; Yes | |
1421 movf temperature+1,W | |
1422 cpfseq last_temperature+1 | |
1423 bsf temp_changed ; Yes | |
1424 btfsc temp_changed | |
1425 call PLED_temp_divemode ; Displays temperature | |
1426 | |
1427 bcf pres_changed ; Display new depth? | |
1428 movf amb_pressure+0,W | |
1429 cpfseq last_pressure+0 | |
1430 bsf pres_changed ; Yes | |
1431 movf amb_pressure+1,W | |
1432 cpfseq last_pressure+1 | |
1433 bsf pres_changed ; Yes | |
1434 | |
1435 btfsc simulatormode_active ; always update depth when in simulator mode | |
1436 bsf pres_changed | |
1437 | |
1438 btfsc pres_changed | |
1439 call PLED_depth ; Displays new depth | |
1440 return | |
1441 | |
1442 update_divemode60: ; update any minute | |
1443 call get_battery_voltage ; gets battery voltage | |
1444 call set_powersafe ; red LED blinking if battery is low | |
1445 call PLED_max_pressure ; No, use normal max. depth | |
1446 call check_temp_extrema ; check for new temperature extremas | |
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1447 call customview_minute ; Do every-minute tasks for the custom view area |
0 | 1448 bcf oneminupdate |
1449 return | |
1450 | |
1451 set_max_depth: | |
1452 movff max_pressure+0,sub_a+0 | |
1453 movff max_pressure+1,sub_a+1 | |
1454 movff rel_pressure+0,sub_b+0 | |
1455 movff rel_pressure+1,sub_b+1 | |
1456 call sub16 ; sub_c = sub_a - sub_b | |
1457 ; max_pressure<rel_pressure -> neg_flag=1 | |
1458 ; rel_pressure<=max_pressure -> neg_flag=0 | |
1459 btfss neg_flag | |
1460 return | |
1461 ;max_pressure<rel_pressure | |
1462 movff rel_pressure+0,max_pressure+0 | |
1463 movff rel_pressure+1,max_pressure+1 | |
1464 call PLED_max_pressure ; No, use normal max. depth | |
1465 return | |
1466 | |
1467 set_min_temp: | |
1468 movff mintemp+0,sub_a+0 | |
1469 movff mintemp+1,sub_a+1 | |
1470 movff temperature+0,sub_b+0 | |
1471 movff temperature+1,sub_b+1 | |
1472 call sub16 ; sub_c = sub_a - sub_b | |
1473 ; mintemp<T -> neg_flag=1 | |
1474 ; T<=mintemp -> neg_flag=0 | |
1475 btfsc neg_flag | |
1476 return | |
1477 ;mintemp>=T | |
1478 movff temperature+0,mintemp+0 | |
1479 movff temperature+1,mintemp+1 | |
1480 return | |
1481 | |
1482 set_dive_modes: | |
239 | 1483 btfsc high_altitude_mode ; In high altitude (Fly) mode? |
1484 bra set_dive_modes3 ; Yes | |
1485 | |
0 | 1486 bcf divemode2 ; Stop time |
1487 | |
1488 GETCUSTOM8 .0 ; loads dive_threshold in WREG | |
1489 movwf sub_a+0 ; dive_treshold is in cm | |
1490 clrf sub_a+1 | |
1491 movff rel_pressure+0,sub_b+0 | |
1492 movff rel_pressure+1,sub_b+1 | |
239 | 1493 call sub16 ; sub_c = sub_a - sub_b |
0 | 1494 |
1495 btfss neg_flag | |
239 | 1496 bra set_dive_modes2 ; too shallow (rel_pressure<dive_threshold) |
0 | 1497 |
239 | 1498 btfsc realdive ; Dive longer than one minute? |
1499 clrf timeout_counter ; Yes, reset timout counter | |
0 | 1500 |
239 | 1501 bsf divemode ; (Re-)Set divemode flag |
0 | 1502 bsf divemode2 ; displayed divetime is running |
1503 return | |
1504 | |
1505 set_dive_modes2: | |
1506 btfss realdive ; dive longer then one minute? | |
1507 bcf divemode ; no -> this was no real dive | |
1508 return | |
1509 | |
239 | 1510 set_dive_modes3: |
1511 movlw HIGH d'1075' ; hard-wired 1075mBar threshold | |
1512 movwf sub_a+1 | |
1513 movlw LOW d'1075' ; hard-wired 1075mBar threshold | |
1514 movwf sub_a+0 | |
1515 movff rel_pressure+0,sub_b+0 | |
1516 movff rel_pressure+1,sub_b+1 | |
1517 call sub16 ; sub_c = sub_a - sub_b | |
1518 | |
1519 btfss neg_flag | |
1520 bra set_dive_modes2 ; too shallow (rel_pressure<dive_threshold) | |
1521 | |
1522 bsf divemode ; (Re-)Set divemode flag | |
1523 bsf divemode2 ; displayed divetime is running | |
1524 return | |
1525 | |
0 | 1526 set_powersafe: |
1527 btfsc low_battery_state ; battery warning alread active? | |
1528 bra set_powersafe2 ; Yes, but is it still required? | |
1529 ; battery voltage in mV (value*256+Lowbyte=actual treshold) | |
1530 movlw d'12' ; 3,328V | |
1531 cpfsgt batt_voltage+1 | |
1532 bra set_powersafe1 | |
1533 return | |
1534 | |
1535 set_powersafe1: | |
1536 movlw d'7' ; Type of Alarm (Battery Low) | |
1537 movwf AlarmType ; Copy to Alarm Register | |
1538 bsf event_occured ; Set Event Flag | |
1539 bsf low_battery_state ; set flag for battery warning | |
1540 return ; return | |
1541 | |
1542 set_powersafe2: | |
1543 movlw d'13' ; 3,584V | |
1544 cpfsgt batt_voltage+1 | |
1545 bra set_powersafe1 ; Still to low | |
1546 bcf low_battery_state ; clear flag for battery warning mode | |
1547 return | |
1548 | |
1549 calc_average_depth: | |
111 | 1550 btfsc reset_average_depth ; Reset the Avewrage depth? |
1551 rcall reset_average1 ; Reset the resettable average depth | |
1552 | |
0 | 1553 ; 1. Add new 2xdepth to the Sum of depths registers |
1554 movff rel_pressure+0,b0_lo | |
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1555 movff rel_pressure+1,b0_hi ; Buffer... |
0 | 1556 |
1557 movf b0_lo,w | |
1558 addwf average_depth_hold+0,F | |
1559 movf b0_hi,w | |
1560 addwfc average_depth_hold+1,F | |
1561 movlw d'0' | |
1562 addwfc average_depth_hold+2,F | |
1563 addwfc average_depth_hold+3,F ; Will work up to 9999mBar*60*60*24=863913600mBar | |
1564 | |
1565 movf b0_lo,w | |
1566 addwf average_depth_hold+0,F | |
1567 movf b0_hi,w | |
1568 addwfc average_depth_hold+1,F | |
1569 movlw d'0' | |
1570 addwfc average_depth_hold+2,F | |
1571 addwfc average_depth_hold+3,F ; Will work up to 9999mBar*60*60*24=863913600mBar | |
1572 | |
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1573 ; Do the same for the _total registers (Non-Resettable) |
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1574 movf b0_lo,w |
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1575 addwf average_depth_hold_total+0,F |
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1576 movf b0_hi,w |
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1577 addwfc average_depth_hold_total+1,F |
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1578 movlw d'0' |
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1579 addwfc average_depth_hold_total+2,F |
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1580 addwfc average_depth_hold_total+3,F ; Will work up to 9999mBar*60*60*24=863913600mBar |
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1581 |
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1582 movf b0_lo,w |
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1583 addwf average_depth_hold_total+0,F |
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1584 movf b0_hi,w |
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1585 addwfc average_depth_hold_total+1,F |
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1586 movlw d'0' |
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1587 addwfc average_depth_hold_total+2,F |
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1588 addwfc average_depth_hold_total+3,F ; Will work up to 9999mBar*60*60*24=863913600mBar |
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1589 |
0 | 1590 ; 2. Compute Average Depth on base of average_divesecs:2 |
1591 movff average_divesecs+0,xB+0 | |
1592 movff average_divesecs+1,xB+1 ; Copy | |
1593 movff average_depth_hold+0,xC+0 | |
1594 movff average_depth_hold+1,xC+1 | |
1595 movff average_depth_hold+2,xC+2 | |
1596 movff average_depth_hold+3,xC+3 | |
1597 | |
1598 call div32x16 ; xC:4 / xB:2 = xC+3:xC+2 with xC+1:xC+0 as remainder | |
1599 movff xC+0,avr_rel_pressure+0 | |
1600 movff xC+1,avr_rel_pressure+1 | |
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1601 |
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1602 ; Compute Total Average Depth on base of divemins:2 and divesecs |
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1603 movff divemins+0,xA+0 |
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1604 movff divemins+1,xA+1 |
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1605 movlw d'60' |
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1606 movwf xB+0 |
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1607 clrf xB+1 |
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1608 call mult16x16 ; xC:4=xA:2*xB:2 |
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1609 movf divesecs,W |
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1610 addwf xC+0,F |
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1611 movlw d'0' |
228 | 1612 addwfc xC+1,F ; xC:2 holds total dive seconds |
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1613 movlw d'3' ; 2+1 |
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1614 btfss divesecs,0 ; divesecs even? |
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1615 movlw d'2' ; Yes, do not add +1 |
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1616 addwf xC+0,F |
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1617 movlw d'0' |
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1618 addwfc xC+1,F |
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1619 ; Ignore xC+2 and xC+3. Total Average will only work up to divetime=1092:16 |
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1620 movff xC+0,xB+0 |
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1621 movff xC+1,xB+1 ; Copy |
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1622 movff average_depth_hold_total+0,xC+0 |
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1623 movff average_depth_hold_total+1,xC+1 |
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1624 movff average_depth_hold_total+2,xC+2 |
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1625 movff average_depth_hold_total+3,xC+3 |
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1626 |
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1627 call div32x16 ; xC:4 / xB:2 = xC+3:xC+2 with xC+1:xC+0 as remainder |
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1628 movff xC+0,avr_rel_pressure_total+0 |
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1629 movff xC+1,avr_rel_pressure_total+1 |
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1630 |
0 | 1631 return |
1632 | |
111 | 1633 reset_average1: |
1634 clrf average_depth_hold+0 | |
1635 clrf average_depth_hold+1 | |
1636 clrf average_depth_hold+2 | |
1637 clrf average_depth_hold+3 ; Clear average depth register | |
1638 movlw d'2' | |
1639 movwf average_divesecs+0 | |
1640 clrf average_divesecs+1 | |
1641 bcf reset_average_depth ; Clear flag | |
1642 return | |
0 | 1643 |
1644 diveloop_boot: | |
49 | 1645 ostc_debug 'Q' ; Sends debug-information to screen if debugmode active |
0 | 1646 clrf max_pressure+0 ; clear some variables |
1647 clrf max_pressure+1 | |
1648 | |
1649 clrf avr_rel_pressure+0 | |
1650 clrf avr_rel_pressure+1 | |
1651 | |
1652 call PLED_brightness_low | |
1653 read_int_eeprom d'90' ; Brightness offset? (Dim>0, Normal = 0) | |
1654 movlw d'0' | |
1655 cpfsgt EEDATA | |
1656 call PLED_brightness_full | |
1657 | |
1658 movlw d'1' | |
1659 movwf apnoe_max_pressure+0 | |
1660 clrf apnoe_max_pressure+1 | |
1661 clrf apnoe_surface_mins | |
1662 clrf apnoe_surface_secs | |
1663 clrf apnoe_mins | |
1664 clrf apnoe_secs | |
1665 clrf divemins+0 | |
1666 clrf divemins+1 | |
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1667 clrf menupos3 |
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1668 bcf menu3_active |
0 | 1669 clrf divesecs |
1670 clrf samplesecs | |
1671 clrf apnoe_timeout_counter ; timeout in minutes | |
1672 clrf timeout_counter ; takes care of the timeout | |
1673 clrf timeout_counter2 ; Here: counts to six, then store deco data and temperature | |
1674 clrf AlarmType ; Clear all alarms | |
1675 bcf event_occured ; clear flag | |
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1676 bcf setpoint_changed ; clear flag |
111 | 1677 rcall reset_average1 ; Reset the resettable average depth |
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1678 clrf average_depth_hold_total+0 |
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1679 clrf average_depth_hold_total+1 |
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1680 clrf average_depth_hold_total+2 |
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1681 clrf average_depth_hold_total+3 ; Clear Non-Resettable Average |
0 | 1682 bcf depth_greater_100m ; clear flag |
1683 setf last_diluent ; to be displayed after first calculation (range: 0 to 100 [%]) | |
3 | 1684 bcf dekostop_active |
1685 bcf is_bailout ;=1: CC mode, but bailout active! | |
8 | 1686 bcf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode |
1687 | |
0 | 1688 call get_free_EEPROM_location ; get last position in external EEPROM, may be up to 2 secs! |
1689 | |
237 | 1690 btfss simulatormode_active |
1691 bra diveloop_boot_1 | |
1692 ; Normal mode = Surface pressure is the pressure 30mn before dive. | |
0 | 1693 movff last_surfpressure_30min+0,int_I_pres_surface+0 ; LOW copy surfacepressure to deco routine |
237 | 1694 movff last_surfpressure_30min+1,int_I_pres_surface+1 ; HIGH copy surfacepressure to deco routine |
1695 bra diveloop_boot_2 | |
1696 | |
1697 diveloop_boot_1: | |
1698 ; Simulator mode: Surface pressure is 1bar. | |
1699 movlw LOW .1000 | |
1700 movff WREG,int_I_pres_surface+0 ; LOW copy surfacepressure to deco routine | |
1701 movlw HIGH .1000 | |
1702 movff WREG,int_I_pres_surface+1 ; HIGH copy surfacepressure to deco routine | |
1703 | |
1704 diveloop_boot_2: | |
1705 movff temperature+0,mintemp+0 ; Reset Min-Temp registers | |
1706 movff temperature+1,mintemp+1 ; Reset Min-Temp registers | |
0 | 1707 |
1708 ; Init profile recording parameters | |
237 | 1709 GETCUSTOM8 d'20' ; sample rate |
1710 movwf samplesecs_value ; to avoid EEPROM access in the ISR | |
0 | 1711 GETCUSTOM8 d'21' |
237 | 1712 movwf divisor_temperature ; load divisors for profile storage |
0 | 1713 GETCUSTOM8 d'22' |
1714 movwf divisor_deco | |
1715 GETCUSTOM8 d'23' | |
1716 movwf divisor_tank | |
1717 GETCUSTOM8 d'24' | |
1718 movwf divisor_ppo2 | |
1719 GETCUSTOM8 d'25' | |
1720 movwf divisor_deco_debug | |
1721 GETCUSTOM8 d'26' | |
1722 movwf divisor_nuy2 | |
1723 | |
1724 btfss FLAG_apnoe_mode ; In Apnoe mode? | |
1725 bra divemode1 | |
1726 ; Overwrite some parameters in Apnoe mode.... | |
1727 movlw d'1' | |
1728 movwf samplesecs_value ; to avoid EEPROM access in the ISR | |
1729 | |
1730 divemode1: | |
1731 read_int_eeprom d'36' ; Read mix 1 ppO2 | |
1732 btfsc FLAG_const_ppO2_mode | |
1733 movff EEDATA,char_I_const_ppO2 ; Set ppO2 setpoint if in ppO2 mode | |
4 | 1734 movff EEDATA, ppO2_setpoint_store ; Store also in this byte... |
0 | 1735 |
21 | 1736 bcf LED_blue |
0 | 1737 bcf low_battery_state ; clear flag for battery warning mode |
1738 bcf header_stored | |
1739 bcf premenu | |
1740 bcf realdive | |
1741 bsf update_divetime ; set flag | |
1742 btfss simulatormode_active ; do not disable in simulator mode! | |
49 | 1743 call disable_rs232 ; Disable RS232 |
0 | 1744 |
1745 read_int_eeprom d'33' ; Read byte (stored in EEDATA) | |
1746 movff EEDATA,active_gas ; Read start gas (1-5) | |
1747 | |
1748 ; Read Start Gas and configure char_I_He_ratio, char_I_O2_ratio and char_I_N2_ratio | |
1749 decf active_gas,W ; Gas 0-4 | |
1750 mullw d'4' | |
1751 movf PRODL,W | |
1752 addlw d'7' ; = address for He ratio | |
1753 movwf EEADR | |
1754 call read_eeprom ; Read He ratio | |
1755 movff EEDATA,char_I_He_ratio ; And copy into hold register | |
1756 decf active_gas,W ; Gas 0-4 | |
1757 mullw d'4' | |
1758 movf PRODL,W | |
1759 addlw d'6' ; = address for O2 ratio | |
1760 movwf EEADR | |
1761 call read_eeprom ; Read O2 ratio | |
1762 movff EEDATA, char_I_O2_ratio ; O2 ratio | |
1763 movff char_I_He_ratio, wait_temp ; copy into bank1 register | |
1764 bsf STATUS,C ; Borrow bit | |
1765 movlw d'100' ; 100% | |
1766 subfwb wait_temp,W ; minus He | |
1767 bsf STATUS,C ; Borrow bit | |
1768 subfwb EEDATA,F ; minus O2 | |
1769 movff EEDATA, char_I_N2_ratio ; = N2! | |
1770 | |
221 | 1771 ; Configure sorted_gaslist_active flag register |
281 | 1772 read_int_eeprom d'27' |
1773 movff EEDATA, sorted_gaslist_active | |
1774 return |