Mercurial > public > mk2
annotate code_part1/OSTC_code_asm_part1/sleepmode.asm @ 524:6fa776a44768
BUGFIX spurious random NDL>0 during deco dive.
author | JeanDo |
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date | Fri, 09 Dec 2011 20:43:50 +0100 |
parents | 06db5dd9149f |
children | bab5a9fc1b10 |
rev | line source |
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0 | 1 ; OSTC - diving computer code |
2 ; Copyright (C) 2008 HeinrichsWeikamp GbR | |
3 ; This program is free software: you can redistribute it and/or modify | |
4 ; it under the terms of the GNU General Public License as published by | |
5 ; the Free Software Foundation, either version 3 of the License, or | |
6 ; (at your option) any later version. | |
7 ; This program is distributed in the hope that it will be useful, | |
8 ; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
9 ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
10 ; GNU General Public License for more details. | |
11 ; You should have received a copy of the GNU General Public License | |
12 ; along with this program. If not, see <http://www.gnu.org/licenses/>. | |
13 ; Routines for sleepmode | |
14 ; written by: Matthias Heinrichs, info@heinrichsweikamp.com | |
15 ; written: 050520 | |
16 ; last updated: 090507 | |
17 ; known bugs: | |
18 ; ToDo: | |
19 sleeploop: ; enter sleepmode! | |
20 ; first check if the 16 hash char are=0 | |
21 lfsr FSR2, char_O_hash | |
22 movlw d'16' | |
23 movwf temp1 | |
24 sleeploop1: | |
25 tstfsz POSTINC2 ; Test hash values | |
26 bra sleeploop2 ; At least one char is not zero -> Do not build hash | |
27 decfsz temp1,F | |
28 bra sleeploop1 | |
29 ; build hash (about 90sek @ 16MHz) | |
30 call PLED_ClearScreen ; clear | |
31 DISPLAYTEXT .1 ; "Building MD2 hash" | |
32 DISPLAYTEXT .2 ; "Please wait..." | |
116 | 33 call deco_hash ; calculate MD2 hash |
0 | 34 movlb b'00000001' ; Back to Bank1 |
35 sleeploop2: | |
36 call PLED_DisplayOff ; display off | |
37 call disable_rs232 ; disable UART module | |
38 clrf divemins+0 | |
39 clrf divemins+1 | |
40 bcf TRISB,6 | |
41 bcf TRISB,7 | |
42 bcf PORTB,6 | |
43 bcf PORTB,7 ; Disable UART | |
44 sleeploop_loop: | |
45 btfsc oneminupdate ; one minute in sleep? | |
46 rcall onemin_sleep ; do oneminute tasks, e.g. calculate desaturation | |
47 | |
48 btfsc onesecupdate ; one second in sleep? | |
49 rcall onesec_sleep ; check switches, check pressure sensor, etc. | |
50 | |
51 btfss sleepmode ; wake up? (This bit will be set in other routines) | |
52 goto restart ; yes | |
53 nop | |
153 | 54 btfss nsm |
0 | 55 sleep ; Sleep until Timer1 will wake up the device |
56 nop | |
57 bra sleeploop_loop ; do loop until someting happens | |
58 | |
59 | |
60 onemin_sleep: | |
61 call get_battery_voltage ; get battery voltage | |
62 btfsc enter_error_sleep ; Enter Fatal Error Routine? | |
16 | 63 call fatal_error_sleep ; Yes (In Sleepmode_vxx.asm!) |
0 | 64 |
354 | 65 ;---- adjust airpressure compensation any 15 minutes |
0 | 66 incf divemins+1,F ; counts to 14... |
67 movlw d'14' | |
68 cpfsgt divemins+1 | |
69 bra onemin_sleep2 ; 15 minutes not done! | |
354 | 70 clrf divemins+1 ; reset counter |
0 | 71 |
72 rcall pressuretest_sleep_fast ; Gets pressure without averaging (faster!) | |
73 | |
357
562f1bc79f3c
Bugfix: Wake-up into divemode with 1.91alpha
Heinrichsweikamp
parents:
341
diff
changeset
|
74 SAFE_2BYTE_COPY amb_pressure_avg, amb_pressure ; copy for compatibility |
562f1bc79f3c
Bugfix: Wake-up into divemode with 1.91alpha
Heinrichsweikamp
parents:
341
diff
changeset
|
75 |
0 | 76 call check_temp_extrema ; Check for temperature extremas |
77 | |
116 | 78 call deco_calc_CNS_decrease_15min ; compute CNS decay in sleep only |
0 | 79 movlb b'00000001' |
354 | 80 |
0 | 81 movff last_surfpressure_15min+0,last_surfpressure_30min+0 ; save older airpressure |
82 movff last_surfpressure_15min+1,last_surfpressure_30min+1 ; save older airpressure | |
341
2144f19fa1eb
BUGFIX protect against ISR changing pressure/temperature while reading it.
JeanDo
parents:
297
diff
changeset
|
83 SAFE_2BYTE_COPY amb_pressure, last_surfpressure_15min ; save new airpressure |
0 | 84 |
85 GETCUSTOM15 d'7' ; loads max_sufpressure into lo, hi | |
398
ab962c4b19d6
Fixing issue 50, correct "Bar" to "bar" in texts and comments
heinrichsweikamp
parents:
361
diff
changeset
|
86 movff lo,sub_a+0 ; max. "allowed" airpressure in mbar |
0 | 87 movff hi,sub_a+1 |
88 movff last_surfpressure_15min+0,sub_b+0 | |
89 movff last_surfpressure_15min+1,sub_b+1 | |
90 call sub16 ; sub_c = sub_a - sub_b | |
354 | 91 btfss neg_flag ; Is 1080mbar < amb_pressure ? |
92 bra onemin_sleep2 ; NO: current airpressure is lower then "allowed" airpressure, ok! | |
93 | |
94 ; not ok! Overwrite with max. "allowed" airpressure | |
0 | 95 GETCUSTOM15 d'7' ; loads max_sufpressure into lo, hi |
398
ab962c4b19d6
Fixing issue 50, correct "Bar" to "bar" in texts and comments
heinrichsweikamp
parents:
361
diff
changeset
|
96 movff lo,last_surfpressure_15min+0 ; max. "allowed" airpressure in mbar |
ab962c4b19d6
Fixing issue 50, correct "Bar" to "bar" in texts and comments
heinrichsweikamp
parents:
361
diff
changeset
|
97 movff hi,last_surfpressure_15min+1 ; max. "allowed" airpressure in mbar |
0 | 98 |
99 onemin_sleep2: | |
341
2144f19fa1eb
BUGFIX protect against ISR changing pressure/temperature while reading it.
JeanDo
parents:
297
diff
changeset
|
100 SAFE_2BYTE_COPY amb_pressure, int_I_pres_respiration ; LOW copy pressure to deco routine |
0 | 101 GETCUSTOM8 d'11' ; Saturation multiplier % |
251 | 102 movff WREG,char_I_saturation_multiplier |
0 | 103 GETCUSTOM8 d'12' ; Desaturation multiplier % |
251 | 104 movff WREG,char_I_desaturation_multiplier |
116 | 105 call deco_calc_wo_deco_step_1_min ; "calc_tissue_sleep" |
0 | 106 movlb b'00000001' ; RAM Bank1 selected |
107 | |
108 bcf oneminupdate ; all done | |
109 return | |
110 | |
111 onesec_sleep: | |
112 call test_charger ; charger on? | |
113 | |
114 btfss nofly_active | |
115 bra onesec_sleep_nonofly | |
116 | |
21 | 117 bsf LED_blue ; Set nofly LED |
0 | 118 |
119 nop | |
120 sleep | |
121 nop | |
122 | |
123 onesec_sleep_nonofly: | |
21 | 124 bcf LED_blue ; Clear nofly LED |
0 | 125 incf divemins+0,F ; counts to #test_pressure_in_sleep (5) |
126 movlw d'5' | |
127 cpfsgt divemins+0 ; here: temp variable | |
128 bra onesec_sleep1 ; #test_pressure_in_sleep not done yet | |
354 | 129 clrf divemins+0 |
130 | |
0 | 131 rcall pressuretest_sleep_fast ; Gets pressure without averaging (faster!) |
421
af2894e5cda4
copy from amb_pressure_avg to amb_pressure for compatibility
heinrichsweikamp
parents:
398
diff
changeset
|
132 SAFE_2BYTE_COPY amb_pressure_avg, amb_pressure ; copy for compatibility |
0 | 133 |
361 | 134 ; compare current ambient pressure with threshold CF6==1160mbar. |
0 | 135 GETCUSTOM15 d'6' ; loads pressure threshold into lo,hi |
136 movff lo,sub_a+0 ; power on if ambient pressure is greater threshold | |
137 movff hi,sub_a+1 | |
361 | 138 SAFE_2BYTE_COPY amb_pressure_avg, sub_b |
139 call sub16 ; Is (1160mbar - averaged(amb_pressure)) < 0 ? | |
0 | 140 bsf sleepmode |
141 btfsc neg_flag ; Wake up from Sleep? | |
142 bcf sleepmode ; amb_pressure>pressure_offset_divemode: wake up! | |
354 | 143 |
0 | 144 onesec_sleep1: |
145 bcf onesecupdate ; all done. | |
146 btfsc switch_left | |
147 bra onesec_sleep1a | |
148 btfsc switch_right | |
149 bra onesec_sleep1a | |
150 ; No button pressed | |
151 bcf INTCON,INT0IF ; Clear flag | |
152 bcf INTCON3,INT1IF ; Clear flag | |
153 bcf switch_right | |
154 bcf switch_left | |
155 bcf T0CON,TMR0ON ; Stop Timer 0 | |
156 return | |
157 onesec_sleep1a: ; At least one button pressed.... | |
158 bcf INTCON,INT0IF ; Clear flag | |
159 bcf INTCON3,INT1IF ; Clear flag | |
160 bcf switch_right | |
161 bcf switch_left | |
162 bcf T0CON,TMR0ON ; Stop Timer 0 | |
354 | 163 bcf sleepmode ; wake up! |
125 | 164 |
213
d19445e0cb2f
BUGFIX Altimeter reset when exiting sleep mode (bug#&6).
JeanDo
parents:
153
diff
changeset
|
165 ; Restart altimeter averaging, so next averaging starts right over... |
d19445e0cb2f
BUGFIX Altimeter reset when exiting sleep mode (bug#&6).
JeanDo
parents:
153
diff
changeset
|
166 call altimeter_restart |
125 | 167 |
0 | 168 return |
169 | |
170 pressuretest_sleep_fast: ; Get pressure without averaging (Faster to save some power in sleep mode) | |
171 call get_temperature_start ; and start temperature integration (73,5us) | |
172 sleep | |
173 nop | |
174 sleep | |
175 nop | |
176 sleep ; Wait at least 35ms (every 16.5ms Timer1 wakeup) | |
177 call get_temperature_value ; State 1: Get temperature | |
178 call get_pressure_start ; Start pressure integration. | |
179 sleep | |
180 nop | |
181 sleep | |
182 nop | |
183 sleep ; Wait at least 35ms (every 16.5ms Timer1 wakeup) | |
184 call get_pressure_value ; State2: Get pressure (51us) | |
357
562f1bc79f3c
Bugfix: Wake-up into divemode with 1.91alpha
Heinrichsweikamp
parents:
341
diff
changeset
|
185 clrf amb_pressure_avg+0 |
562f1bc79f3c
Bugfix: Wake-up into divemode with 1.91alpha
Heinrichsweikamp
parents:
341
diff
changeset
|
186 clrf amb_pressure_avg+1 ; clear for sleep routine |
0 | 187 call calculate_compensation ; calculate temperature compensated pressure (233us) |
188 return | |
189 | |
190 fatal_error_sleep: | |
16 | 191 WAITMS d'250' |
192 WAITMS d'250' | |
193 WAITMS d'250' | |
194 WAITMS d'250' | |
195 call get_battery_voltage ; get battery voltage | |
196 btfss enter_error_sleep ; REALLY enter Fatal Error Routine? | |
197 return ; No! | |
0 | 198 clrf INTCON |
199 clrf INTCON2 | |
200 clrf INTCON3 | |
201 bcf ADCON0,0 ; AD converter off | |
202 call disable_rs232 ; disable UART module | |
203 movlw b'00010000' | |
204 movwf TRISA | |
205 clrf PORTA ; And pulled to GND | |
206 clrf TRISB ; All output | |
207 clrf PORTB ; And pulled to GND | |
208 movlw b'00011101' ; UART | |
209 movwf TRISC | |
210 clrf PORTC ; And pulled to GND | |
211 clrf TRISD ; All output | |
212 clrf PORTD ; And pulled to GND | |
213 clrf TRISE ; All output | |
214 clrf PORTE ; And pulled to GND | |
215 clrf T0CON ; Timer OFF | |
216 clrf T1CON ; Timer OFF | |
217 clrf T2CON ; Timer OFF | |
218 clrf OSCTUNE | |
219 movlw b'00000010' ; 31kHz | |
220 movwf OSCCON | |
221 bsf WDTCON,0 ; Watchdog timer on... | |
222 fatal_error_sleep_loop: ; Device will never quit this loop! | |
223 movff fatal_error_code,temp4 | |
224 movlw d'15' | |
225 movwf temp1 | |
226 fatal_error_sleep_loop1: | |
227 sleep | |
228 nop | |
229 decfsz temp1,F | |
230 bra fatal_error_sleep_loop1 | |
231 fatal_error_sleep_loop2: | |
21 | 232 bsf LED_red |
0 | 233 clrwdt |
234 WAIT10US d'5' | |
21 | 235 bcf LED_red |
0 | 236 sleep |
237 nop | |
238 decfsz temp4,F | |
239 bra fatal_error_sleep_loop2 | |
240 bra fatal_error_sleep_loop |