annotate code_part1/OSTC_code_asm_part1/isr.asm @ 326:a7ed48daf597

Fix minor rounding error in ppO2[flush].
author JeanDo
date Sat, 07 May 2011 14:08:51 +0200
parents ceedf078b2d8
children 447390289f47 ecbbbd423e86
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
2 ; OSTC - diving computer code
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
3 ; Copyright (C) 2008 HeinrichsWeikamp GbR
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
4
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
5 ; This program is free software: you can redistribute it and/or modify
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
6 ; it under the terms of the GNU General Public License as published by
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
7 ; the Free Software Foundation, either version 3 of the License, or
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
8 ; (at your option) any later version.
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
9
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
10 ; This program is distributed in the hope that it will be useful,
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
11 ; but WITHOUT ANY WARRANTY; without even the implied warranty of
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
12 ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
13 ; GNU General Public License for more details.
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
14
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
15 ; You should have received a copy of the GNU General Public License
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
16 ; along with this program. If not, see <http://www.gnu.org/licenses/>.
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
17
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
18
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
19 ; written by: Matthias Heinrichs, info@heinrichsweikamp.com
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
20 ; written: 10/30/05
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
21 ; last updated: 05/16/08
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
22 ; known bugs:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
23 ; ToDo:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
24
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
25 ; the timer1 module interrupts every 62.5ms (16x/second)
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
26 ; temperature and pressure is averaged over 4 measurements
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
27 ; flag pressure_refresh is set every 500ms
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
28 ; and provides accurate pressure (+/-1mBar stable) and temperature (0.1C stable)
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
29
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
30 uartint:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
31 btfsc simulatormode_active ; are we in simulatormode?
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
32 bra simulator_int ; Yes, reading is depth in m!
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
33
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
34 movff RCREG,uart1_temp
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
35 movlw d'96'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
36 subwf uart1_temp,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
37 dcfsnz uart1_temp,F ; "a"
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
38 bsf dump_external_eeprom ; set flag
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
39 dcfsnz uart1_temp,F ; "b"
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
40 bsf uart_settime ; set flag
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
41 dcfsnz uart1_temp,F ; "c"
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
42 bsf simulatormode_active ; set flag
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
43 dcfsnz uart1_temp,F ; "d"
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
44 bsf internal_eeprom_write ; set flag
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
45 dcfsnz uart1_temp,F ; "e"
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
46 bsf uart_send_hash ; set flag
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
47 dcfsnz uart1_temp,F ; "f"
297
ceedf078b2d8 Gas Setup page 2 reworked, Texts 107, 108, 109,150, 149, 168, 42, 43, 53,54,55, 165 need update in french, spanish and german
Heinrichsweikamp
parents: 283
diff changeset
48 bsf uart_reset_battery_stats ; set flag
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
49 dcfsnz uart1_temp,F ; "g"
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
50 bsf uart_send_int_eeprom ; set flag
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
51 dcfsnz uart1_temp,F ; "h"
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
52 bsf uart_reset_decodata ; set flag
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
53 dcfsnz uart1_temp,F ; "i"
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
54 bsf internal_eeprom_write2 ; set flag
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
55 dcfsnz uart1_temp,F ; "j"
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
56 bsf uart_send_int_eeprom2 ; set flag
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
57 dcfsnz uart1_temp,F ; "k"
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
58 bsf uart_store_tissue_data ; set flag
283
4ec488f046f4 Battery sign color coded, work on new uart-started 115200Baud bootloader (Do NOT use yet!)
heinrichsweikamp
parents: 266
diff changeset
59
4ec488f046f4 Battery sign color coded, work on new uart-started 115200Baud bootloader (Do NOT use yet!)
heinrichsweikamp
parents: 266
diff changeset
60 movlw 0xC1
4ec488f046f4 Battery sign color coded, work on new uart-started 115200Baud bootloader (Do NOT use yet!)
heinrichsweikamp
parents: 266
diff changeset
61 cpfseq RCREG ; 115200Baud Bootloader request?
4ec488f046f4 Battery sign color coded, work on new uart-started 115200Baud bootloader (Do NOT use yet!)
heinrichsweikamp
parents: 266
diff changeset
62 bra uartint1 ; No
4ec488f046f4 Battery sign color coded, work on new uart-started 115200Baud bootloader (Do NOT use yet!)
heinrichsweikamp
parents: 266
diff changeset
63 bsf uart_115200_bootloader ; Yes, set Flag
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
64
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
65
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
66 uartint1:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
67 movf RCREG,w ; unload RCREG in stand-alone simulator mode
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
68 bcf PIR1,RCIF ; Clear flag
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
69 bcf RCSTA,CREN ; Clear receiver status
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
70 bsf RCSTA,CREN
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
71 return
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
72
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
73 simulator_int:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
74 btfsc standalone_simulator ; ignore in standalone simulator mode
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
75 bra uartint1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
76
21
73014f788032 1.60 stable rc1
heinrichsweikamp
parents: 13
diff changeset
77 bsf LED_blue
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
78 tstfsz RCREG ; =0x00?
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
79 bra simulator_int1 ; No
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
80 incf RCREG,F ; Yes, so force RCREG=1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
81
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
82 simulator_int1:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
83 movf RCREG,w ; depth in m
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
84 mullw d'100' ; result will be mbar
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
85 movff PRODL,sim_pressure+0 ; stored for pressure overwrite
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
86 movff PRODH,sim_pressure+1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
87 bra uartint1 ; exit uart int
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
88
238
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
89 switch_left_int:
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
90 bcf INTCON,INT0IF ; Clear flag
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
91
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
92 btfsc T0CON,TMR0ON ; Timer0 running?
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
93 bra timer0_restart ; Yes, restart
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
94
266
ba109a7948df OSTC 2N uses exchanged switches...
heinrichsweikamp
parents: 245
diff changeset
95 ; OSTC 2N has flipped screen and exchanged switches...
ba109a7948df OSTC 2N uses exchanged switches...
heinrichsweikamp
parents: 245
diff changeset
96 movff win_flags,WREG ; Get into Bank0
ba109a7948df OSTC 2N uses exchanged switches...
heinrichsweikamp
parents: 245
diff changeset
97 btfss WREG,0
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
98 bsf switch_left ; Set flag, button press is OK
266
ba109a7948df OSTC 2N uses exchanged switches...
heinrichsweikamp
parents: 245
diff changeset
99 btfsc WREG,0
ba109a7948df OSTC 2N uses exchanged switches...
heinrichsweikamp
parents: 245
diff changeset
100 bsf switch_right ; Set flag, button press is OK
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
101
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
102 bsf T0CON,TMR0ON ; Start Timer 0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
103 return
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
104
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
105
238
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
106 switch_right_int:
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
107 bcf INTCON3,INT1IF ; Clear flag
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
108
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
109 btfsc T0CON,TMR0ON ; Timer0 running?
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
110 bra timer0_restart ; Yes, restart
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
111
266
ba109a7948df OSTC 2N uses exchanged switches...
heinrichsweikamp
parents: 245
diff changeset
112 ; OSTC 2N has flipped screen and exchanged switches...
ba109a7948df OSTC 2N uses exchanged switches...
heinrichsweikamp
parents: 245
diff changeset
113 movff win_flags,WREG ; Get into Bank0
ba109a7948df OSTC 2N uses exchanged switches...
heinrichsweikamp
parents: 245
diff changeset
114 btfsc WREG,0
ba109a7948df OSTC 2N uses exchanged switches...
heinrichsweikamp
parents: 245
diff changeset
115 bsf switch_left ; Set flag, button press is OK
ba109a7948df OSTC 2N uses exchanged switches...
heinrichsweikamp
parents: 245
diff changeset
116 btfss WREG,0
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
117 bsf switch_right ; Set flag, button press is OK
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
118
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
119 bsf T0CON,TMR0ON ; Start Timer 0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
120 return
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
121
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
122 timer0_restart:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
123 bcf INTCON,TMR0IF ; Clear flag
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
124 clrf T0CON ; Timer0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
125 clrf TMR0H
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
126 clrf TMR0L
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
127 bsf T0CON,TMR0ON ; Start Timer 0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
128 return
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
129
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
130 timer0int:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
131 bcf INTCON,TMR0IF ; Clear flag
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
132 bcf T0CON,TMR0ON ; Stop Timer 0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
133 clrf TMR0H
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
134 clrf TMR0L
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
135 return
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
136
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
137 timer1int:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
138 bcf PIR1,TMR1IF ; Clear flag
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
139
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
140 timer1int_debug:
21
73014f788032 1.60 stable rc1
heinrichsweikamp
parents: 13
diff changeset
141 bcf LED_red ; LEDr off (For charge indicator)
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
142
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
143 movlw 0x08 ; Timer1 int after 62.5ms (=16/second)
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
144 cpfslt TMR1H ; Did we miss a 1/16 second?
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
145 incf timer1int_counter1,F ; Yes, add extra 1/16 second
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
146
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
147 movlw 0x08 ; Timer1 int after 62.5ms (=16/second)
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
148 subwf TMR1H,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
149
238
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
150 incf timer1int_counter1,F ; Increase timer1 counter
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
151
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
152 movlw d'15' ; One second 16
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
153 cpfsgt timer1int_counter1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
154 bra sensor_int_pre ; only pressure sensor
238
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
155 rcall RTCisr ; adjust time, then query pressure sensor
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
156
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
157 sensor_int_pre:
238
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
158 btfsc sleepmode ; In sleepmode?
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
159 return ; Yes
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
160
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
161 sensor_int:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
162 btfsc no_sensor_int ; No sensor interrupt (because it's addressed during sleep)
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
163 return
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
164
238
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
165 incf timer1int_counter2,F ; counts to eight for state maschine
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
166
238
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
167 ; State 1: Clear flags and average registers, get temperature (51us) and start pressure integration (73,5us)
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
168 ; State 2: Get pressure (51us), start temperature integration (73,5us) and calculate temperature compensated pressure (233us)
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
169 ; State 3: Get temperature (51us) and start pressure integration (73,5us)
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
170 ; State 4: Get pressure (51us), start temperature integration (73,5us) and calculate temperature compensated pressure (233us)
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
171 ; State 5: Get temperature (51us) and start pressure integration (73,5us)
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
172 ; State 6: Get pressure (51us), start temperature integration (73,5us) and calculate temperature compensated pressure (233us)
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
173 ; State 7: Get temperature (51us) and start pressure integration (73,5us)
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
174 ; State 8: Get pressure (51us), start temperature integration (73,5us), calculate temperature compensated pressure (233us) and build average for half-second update of tempperature and pressure
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
175
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
176 movff timer1int_counter2,isr_divB ; isr_divB used as temp here...
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
177 dcfsnz isr_divB,F
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
178 bra sensor_int_state1_plus_restart ; Do State 1
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
179 dcfsnz isr_divB,F
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
180 bra sensor_int_state2 ; Do State 2
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
181 dcfsnz isr_divB,F
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
182 bra sensor_int_state1 ; Do State 3
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
183 dcfsnz isr_divB,F
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
184 bra sensor_int_state2 ; Do State 4
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
185 dcfsnz isr_divB,F
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
186 bra sensor_int_state1 ; Do State 5
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
187 dcfsnz isr_divB,F
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
188 bra sensor_int_state2 ; Do State 6
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
189 dcfsnz isr_divB,F
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
190 bra sensor_int_state1 ; Do State 7
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
191 ; bra sensor_int2_plus_average ; Do State 8
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
192
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
193 ;sensor_int2_plus_average:
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
194 rcall sensor_int_state2
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
195 sensor_int2_plus_average2:
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
196 bcf STATUS,C
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
197 rrcf isr3_temp+1 ; isr3_temp / 2
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
198 rrcf isr3_temp+0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
199 bcf STATUS,C
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
200 rrcf temperature_temp+1 ; temperature_temp /2
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
201 rrcf temperature_temp+0
238
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
202
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
203 bcf STATUS,C
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
204 rrcf isr3_temp+1 ; isr3_temp / 4
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
205 rrcf isr3_temp+0
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
206 bcf STATUS,C
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
207 rrcf temperature_temp+1 ; temperature_temp /4
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
208 rrcf temperature_temp+0
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
209
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
210 movff isr3_temp+1,amb_pressure+1 ; copy into actual register
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
211 movff isr3_temp+0,amb_pressure+0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
212
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
213 movff temperature_temp+1,temperature+1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
214 movff temperature_temp+0,temperature+0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
215
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
216 bsf pressure_refresh ; Set flag! Temp and pressure were updated!
238
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
217 clrf timer1int_counter2 ; Then reset State counter
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
218
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
219 btfss simulatormode_active ; are we in simulator mode?
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
220 bra comp_air_pressure ; no
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
221
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
222 comp_air_pressure0:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
223 movlw LOW d'1000' ; yes, so simulate 1Bar surface pressure
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
224 movwf last_surfpressure+0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
225 movlw HIGH d'1000'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
226 movwf last_surfpressure+1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
227
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
228 comp_air_pressure:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
229 bcf neg_flag
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
230 movf last_surfpressure+0,W ; compensate airpressure
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
231 subwf amb_pressure+0,W
238
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
232 movwf rel_pressure+0 ; rel_pressure stores depth!
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
233
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
234 movf last_surfpressure+1,W
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
235 subwfb amb_pressure+1,W
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
236 movwf rel_pressure+1
238
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
237 btfss STATUS,N ; result is below zero?
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
238 return
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
239 clrf rel_pressure+0 ; Yes, do not display negative depths
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
240 clrf rel_pressure+1 ; e.g. when surface air pressure dropped during the dive
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
241 return
238
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
242
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
243
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
244 sensor_int_state1_plus_restart:
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
245 bcf pressure_refresh ; clear flags
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
246 clrf isr3_temp+0 ; pressure average registers
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
247 clrf isr3_temp+1
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
248 clrf temperature_temp+0
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
249 clrf temperature_temp+1
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
250
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
251 sensor_int_state1:
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
252 call get_temperature_value ; State 1: Get temperature
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
253 call get_pressure_start ; and start pressure integration.
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
254 return ; Done.
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
255
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
256 sensor_int_state2:
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
257 call get_pressure_value ; State2: Get pressure (51us)
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
258 call get_temperature_start ; and start temperature integration (73,5us)
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
259 call calculate_compensation ; calculate temperature compensated pressure (233us)
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
260 movf amb_pressure+0,W
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
261 addwf isr3_temp+0 ; average pressure
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
262 movf amb_pressure+1,W
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
263 addwfc isr3_temp+1
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
264 movf temperature+0,W
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
265 addwf temperature_temp+0 ; average temperature
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
266 movf temperature+1,W
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
267 addwfc temperature_temp+1
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
268 return
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
269
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
270
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
271 RTCisr:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
272 clrf timer1int_counter1 ; counts to 16 (one second / 62.5ms)
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
273 bsf onesecupdate ; we have a new second!
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
274
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
275 bcf STATUS,Z ; are we in dive mode?
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
276 btfss divemode
238
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
277 bra RTCisr2 ; No, must be surface or sleepmode
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
278
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
279 incf samplesecs,F ; CF20 diving seconds done
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
280 decf samplesecs_value,W ; holds CF20 value (minus 1 into WREG)
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
281 cpfsgt samplesecs
238
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
282 bra RTCisr1 ; no
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
283
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
284 clrf samplesecs ; clear counter...
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
285 bsf store_sample ; ...and set bit for profile storage
238
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
286
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
287 RTCisr1:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
288 ; Increase re-setable average depth divetime counter
111
ed7826c740a0 1.74beta rc1
heinrichsweikamp
parents: 49
diff changeset
289 incf average_divesecs+0,F ; increase stopwatch registers
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
290 btfsc STATUS,Z
111
ed7826c740a0 1.74beta rc1
heinrichsweikamp
parents: 49
diff changeset
291 incf average_divesecs+1,F ; increase stopwatch registers
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
292
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
293 btfss divemode2 ; displayed divetime is running?
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
294 bra RTCisr2 ; No (e.g. too shallow)
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
295
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
296 incf divesecs,F ; increase divetime registers
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
297 movlw d'59'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
298 cpfsgt divesecs
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
299 bra RTCisr1a
238
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
300
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
301 clrf divesecs
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
302 bsf realdive ; this bit is always set (again) if the dive is longer then one minute
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
303
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
304 incf divemins+0,F ; increase divemins
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
305 btfsc STATUS,Z
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
306 incf divemins+1,F ; and now do the realtime clock routine anyway
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
307
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
308 RTCisr1a:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
309 btfss FLAG_apnoe_mode ; Are we in Apnoe mode?
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
310 bra RTCisr2 ; No, skip the following
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
311
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
312 incf apnoe_secs,F ; increase descent registers
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
313 movlw d'59'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
314 cpfsgt apnoe_secs
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
315 bra RTCisr2
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
316 clrf apnoe_secs
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
317
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
318 incf apnoe_mins,F ; increase descent mins
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
319 ; Now, do the RTC routine....
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
320 RTCisr2:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
321 incf secs,F ; adjusts seconds, minutes, hours, day, month and year. Checks for a leap year and works until 2099!
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
322 movlw d'59'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
323 cpfsgt secs
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
324 return
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
325 clrf secs
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
326 bsf oneminupdate
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
327 incf mins,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
328 movlw d'59'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
329 cpfsgt mins
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
330 return
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
331 clrf mins
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
332 incf hours,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
333 movlw d'23'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
334 cpfsgt hours
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
335 return
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
336 clrf hours
13
3b30cd739782 1.53 beta rc2
heinrichsweikamp
parents: 0
diff changeset
337 incf day,F
43
65d5b0c8da41 New CF48, changed CF15
heinrichsweikamp
parents: 21
diff changeset
338 movff time_correction_value,secs ; Correct too slow clock
13
3b30cd739782 1.53 beta rc2
heinrichsweikamp
parents: 0
diff changeset
339
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
340 check_date:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
341 movff month,isr_divB ; new month?
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
342 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
343 movlw .31
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
344 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
345 movlw .28
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
346 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
347 movlw .31
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
348 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
349 movlw .30
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
350 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
351 movlw .31
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
352 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
353 movlw .30
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
354 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
355 movlw .31
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
356 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
357 movlw .31
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
358 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
359 movlw .30
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
360 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
361 movlw .31
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
362 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
363 movlw .30
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
364 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
365 movlw .31
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
366 cpfsgt day,1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
367 return
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
368 movlw .1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
369 movwf day
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
370 incf month,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
371 movlw .12
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
372 cpfsgt month,1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
373 return
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
374 movlw .1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
375 movwf month
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
376 incf year,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
377 return