annotate code_part1/OSTC_code_asm_part1/sleepmode.asm @ 21:73014f788032

1.60 stable rc1
author heinrichsweikamp
date Wed, 21 Apr 2010 17:37:30 +0200
parents 1cdf96a7946f
children 14a074e1a375
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
1 ; OSTC - diving computer code
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
2 ; Copyright (C) 2008 HeinrichsWeikamp GbR
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
3 ; This program is free software: you can redistribute it and/or modify
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
4 ; it under the terms of the GNU General Public License as published by
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
5 ; the Free Software Foundation, either version 3 of the License, or
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
6 ; (at your option) any later version.
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
7 ; This program is distributed in the hope that it will be useful,
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
8 ; but WITHOUT ANY WARRANTY; without even the implied warranty of
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
9 ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
10 ; GNU General Public License for more details.
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
11 ; You should have received a copy of the GNU General Public License
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
12 ; along with this program. If not, see <http://www.gnu.org/licenses/>.
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
13 ; Routines for sleepmode
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
14 ; written by: Matthias Heinrichs, info@heinrichsweikamp.com
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
15 ; written: 050520
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
16 ; last updated: 090507
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
17 ; known bugs:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
18 ; ToDo:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
19 sleeploop: ; enter sleepmode!
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
20 ; first check if the 16 hash char are=0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
21 lfsr FSR2, char_O_hash
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
22 movlw d'16'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
23 movwf temp1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
24 sleeploop1:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
25 tstfsz POSTINC2 ; Test hash values
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
26 bra sleeploop2 ; At least one char is not zero -> Do not build hash
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
27 decfsz temp1,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
28 bra sleeploop1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
29 ; build hash (about 90sek @ 16MHz)
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
30 call PLED_ClearScreen ; clear
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
31 DISPLAYTEXT .1 ; "Building MD2 hash"
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
32 DISPLAYTEXT .2 ; "Please wait..."
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
33 call deco_main_hash ; calculate MD2 hash
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
34 movlb b'00000001' ; Back to Bank1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
35 sleeploop2:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
36 call PLED_DisplayOff ; display off
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
37 call disable_rs232 ; disable UART module
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
38 clrf divemins+0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
39 clrf divemins+1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
40 bcf TRISB,6
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
41 bcf TRISB,7
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
42 bcf PORTB,6
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
43 bcf PORTB,7 ; Disable UART
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
44 sleeploop_loop:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
45 btfsc oneminupdate ; one minute in sleep?
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
46 rcall onemin_sleep ; do oneminute tasks, e.g. calculate desaturation
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
47
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
48 btfsc onesecupdate ; one second in sleep?
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
49 rcall onesec_sleep ; check switches, check pressure sensor, etc.
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
50
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
51 btfss sleepmode ; wake up? (This bit will be set in other routines)
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
52 goto restart ; yes
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
53 nop
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
54 sleep ; Sleep until Timer1 will wake up the device
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
55 nop
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
56 bra sleeploop_loop ; do loop until someting happens
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
57
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
58
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
59 onemin_sleep:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
60 call get_battery_voltage ; get battery voltage
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
61 btfsc enter_error_sleep ; Enter Fatal Error Routine?
16
01510acaeb11 1.54 rc2
heinrichsweikamp
parents: 0
diff changeset
62 call fatal_error_sleep ; Yes (In Sleepmode_vxx.asm!)
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
63
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
64 call calc_surface_interval ; Increases Surface-Interval time
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
65 call nofly_timeout60 ; check for no fly time
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
66 ; adjust airpressure compensation any 15 minutes
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
67 incf divemins+1,F ; counts to 14...
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
68 movlw d'14'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
69 cpfsgt divemins+1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
70 bra onemin_sleep2 ; 15 minutes not done!
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
71
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
72 rcall pressuretest_sleep_fast ; Gets pressure without averaging (faster!)
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
73
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
74 call check_temp_extrema ; Check for temperature extremas
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
75
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
76 call main_calc_CNS_decrease_15min ; compute CNS decay in sleep only
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
77 movlb b'00000001'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
78 movff last_surfpressure_15min+0,last_surfpressure_30min+0 ; save older airpressure
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
79 movff last_surfpressure_15min+1,last_surfpressure_30min+1 ; save older airpressure
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
80 movff amb_pressure+0,last_surfpressure_15min+0 ; save new airpressure
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
81 movff amb_pressure+1,last_surfpressure_15min+1 ; save new airpressure
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
82
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
83 clrf divemins+1 ; reset counter
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
84 GETCUSTOM15 d'7' ; loads max_sufpressure into lo, hi
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
85 movff lo,sub_a+0 ; max. "allowed" airpressure in mBar
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
86 movff hi,sub_a+1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
87 movff last_surfpressure_15min+0,sub_b+0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
88 movff last_surfpressure_15min+1,sub_b+1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
89 call sub16 ; sub_c = sub_a - sub_b
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
90 btfsc neg_flag
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
91 bra onemin_sleep1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
92 bra onemin_sleep2 ; current airpressure is lower then "allowed" airpressure, ok!
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
93 onemin_sleep1: ; not ok! Overwrite with max. "allowed" airpressure
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
94 GETCUSTOM15 d'7' ; loads max_sufpressure into lo, hi
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
95 movff lo,last_surfpressure_15min+0 ; max. "allowed" airpressure in mBar
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
96 movff hi,last_surfpressure_15min+1 ; max. "allowed" airpressure in mBar
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
97
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
98 onemin_sleep2:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
99 ;calc_deko_sleepmode:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
100 movff amb_pressure+0,int_I_pres_respiration+0 ; LOW copy pressure to deco routine
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
101 movff amb_pressure+1,int_I_pres_respiration+1 ; HIGH
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
102 GETCUSTOM8 d'11' ; Saturation multiplier %
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
103 movwf wait_temp
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
104 movff wait_temp,char_I_saturation_multiplier
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
105 GETCUSTOM8 d'12' ; Desaturation multiplier %
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
106 movwf wait_temp
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
107 movff wait_temp,char_I_desaturation_multiplier
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
108 call deco_main_calc_wo_deco_step_1_m ; "calc_tissue_sleep"
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
109 movlb b'00000001' ; RAM Bank1 selected
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
110
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
111 bcf oneminupdate ; all done
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
112 return
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
113
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
114 onesec_sleep:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
115 call test_charger ; charger on?
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
116
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
117 btfss nofly_active
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
118 bra onesec_sleep_nonofly
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
119
21
73014f788032 1.60 stable rc1
heinrichsweikamp
parents: 18
diff changeset
120 bsf LED_blue ; Set nofly LED
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
121
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
122 nop
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
123 sleep
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
124 nop
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
125
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
126 onesec_sleep_nonofly:
21
73014f788032 1.60 stable rc1
heinrichsweikamp
parents: 18
diff changeset
127 bcf LED_blue ; Clear nofly LED
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
128 incf divemins+0,F ; counts to #test_pressure_in_sleep (5)
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
129 movlw d'5'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
130 cpfsgt divemins+0 ; here: temp variable
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
131 bra onesec_sleep1 ; #test_pressure_in_sleep not done yet
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
132 rcall pressuretest_sleep_fast ; Gets pressure without averaging (faster!)
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
133
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
134 ; compare current ambient pressure with threshold
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
135 GETCUSTOM15 d'6' ; loads pressure threshold into lo,hi
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
136 movff lo,sub_a+0 ; power on if ambient pressure is greater threshold
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
137 movff hi,sub_a+1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
138 movff amb_pressure+0,sub_b+0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
139 movff amb_pressure+1,sub_b+1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
140 call sub16 ; sub_c = sub_a - sub_b
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
141 bsf sleepmode
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
142 btfsc neg_flag ; Wake up from Sleep?
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
143 bcf sleepmode ; amb_pressure>pressure_offset_divemode: wake up!
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
144 clrf divemins+0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
145 onesec_sleep1:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
146 bcf onesecupdate ; all done.
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
147 btfsc switch_left
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
148 bra onesec_sleep1a
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
149 btfsc switch_right
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
150 bra onesec_sleep1a
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
151 ; No button pressed
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
152 bcf INTCON,INT0IF ; Clear flag
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
153 bcf INTCON3,INT1IF ; Clear flag
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
154 bcf switch_right_isr
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
155 bcf switch_left_isr
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
156 bcf switch_right
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
157 bcf switch_left
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
158 bcf T0CON,TMR0ON ; Stop Timer 0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
159 return
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
160 onesec_sleep1a: ; At least one button pressed....
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
161 bcf INTCON,INT0IF ; Clear flag
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
162 bcf INTCON3,INT1IF ; Clear flag
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
163 bcf switch_right_isr
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
164 bcf switch_left_isr
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
165 bcf switch_right
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
166 bcf switch_left
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
167 bcf T0CON,TMR0ON ; Stop Timer 0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
168 bcf sleepmode ; wake up!
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
169 bsf show_startup_screen ;
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
170 return
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
171
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
172 pressuretest_sleep_fast: ; Get pressure without averaging (Faster to save some power in sleep mode)
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
173 call get_temperature_start ; and start temperature integration (73,5us)
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
174 sleep
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
175 nop
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
176 sleep
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
177 nop
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
178 sleep ; Wait at least 35ms (every 16.5ms Timer1 wakeup)
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
179 call get_temperature_value ; State 1: Get temperature
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
180 call get_pressure_start ; Start pressure integration.
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
181 sleep
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
182 nop
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
183 sleep
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
184 nop
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
185 sleep ; Wait at least 35ms (every 16.5ms Timer1 wakeup)
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
186 call get_pressure_value ; State2: Get pressure (51us)
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
187 call calculate_compensation ; calculate temperature compensated pressure (233us)
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
188 return
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
189
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
190 fatal_error_sleep:
16
01510acaeb11 1.54 rc2
heinrichsweikamp
parents: 0
diff changeset
191 WAITMS d'250'
01510acaeb11 1.54 rc2
heinrichsweikamp
parents: 0
diff changeset
192 WAITMS d'250'
01510acaeb11 1.54 rc2
heinrichsweikamp
parents: 0
diff changeset
193 WAITMS d'250'
01510acaeb11 1.54 rc2
heinrichsweikamp
parents: 0
diff changeset
194 WAITMS d'250'
01510acaeb11 1.54 rc2
heinrichsweikamp
parents: 0
diff changeset
195 call get_battery_voltage ; get battery voltage
01510acaeb11 1.54 rc2
heinrichsweikamp
parents: 0
diff changeset
196 btfss enter_error_sleep ; REALLY enter Fatal Error Routine?
01510acaeb11 1.54 rc2
heinrichsweikamp
parents: 0
diff changeset
197 return ; No!
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
198 clrf INTCON
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
199 clrf INTCON2
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
200 clrf INTCON3
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
201 bcf ADCON0,0 ; AD converter off
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
202 call disable_rs232 ; disable UART module
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
203 movlw b'00010000'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
204 movwf TRISA
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
205 clrf PORTA ; And pulled to GND
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
206 clrf TRISB ; All output
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
207 clrf PORTB ; And pulled to GND
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
208 movlw b'00011101' ; UART
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
209 movwf TRISC
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
210 clrf PORTC ; And pulled to GND
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
211 clrf TRISD ; All output
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
212 clrf PORTD ; And pulled to GND
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
213 clrf TRISE ; All output
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
214 clrf PORTE ; And pulled to GND
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
215 clrf T0CON ; Timer OFF
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
216 clrf T1CON ; Timer OFF
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
217 clrf T2CON ; Timer OFF
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
218 clrf OSCTUNE
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
219 movlw b'00000010' ; 31kHz
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
220 movwf OSCCON
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
221 bsf WDTCON,0 ; Watchdog timer on...
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
222 fatal_error_sleep_loop: ; Device will never quit this loop!
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
223 movff fatal_error_code,temp4
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
224 movlw d'15'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
225 movwf temp1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
226 fatal_error_sleep_loop1:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
227 sleep
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
228 nop
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
229 decfsz temp1,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
230 bra fatal_error_sleep_loop1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
231 fatal_error_sleep_loop2:
21
73014f788032 1.60 stable rc1
heinrichsweikamp
parents: 18
diff changeset
232 bsf LED_red
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
233 clrwdt
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
234 WAIT10US d'5'
21
73014f788032 1.60 stable rc1
heinrichsweikamp
parents: 18
diff changeset
235 bcf LED_red
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
236 sleep
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
237 nop
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
238 decfsz temp4,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
239 bra fatal_error_sleep_loop2
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
240 bra fatal_error_sleep_loop