Mercurial > public > hwos_code

annotate src/calibrate.asm @ 564:54346c651b6a

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
bring digital S8 HUD back to life...
author heinrichsweikamp
date Mon, 05 Feb 2018 17:59:55 +0100
parents b7eb98dbd800
children b455b31ce022
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
113
heinrichsweikamp
parents:
diff changeset
1 ;=============================================================================
heinrichsweikamp
parents:
diff changeset
2 ;
560
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
3 ; File calibration.asm REFACTORED VERSION V2.91
113
heinrichsweikamp
parents:
diff changeset
4 ;
heinrichsweikamp
parents:
diff changeset
5 ; o2 sensor calibration subroutines
heinrichsweikamp
parents:
diff changeset
6 ;
heinrichsweikamp
parents:
diff changeset
7 ; Copyright (c) 2014, Heinrichs Weikamp, all right reserved.
heinrichsweikamp
parents:
diff changeset
8 ;=============================================================================
heinrichsweikamp
parents:
diff changeset
9
448
aadfe9f2edaf work on new battery options
heinrichsweikamp
parents: 352
diff changeset
10 #include "hwos.inc"
aadfe9f2edaf work on new battery options
heinrichsweikamp
parents: 352
diff changeset
11 #include "shared_definitions.h" ; Mailbox between c and asm
aadfe9f2edaf work on new battery options
heinrichsweikamp
parents: 352
diff changeset
12 #include "math.inc"
113
heinrichsweikamp
parents:
diff changeset
13 #include "adc_lightsensor.inc"
heinrichsweikamp
parents:
diff changeset
14 #include "eeprom_rs232.inc"
heinrichsweikamp
parents:
diff changeset
15
heinrichsweikamp
parents:
diff changeset
16 calibrate CODE
heinrichsweikamp
parents:
diff changeset
17
560
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
18 global check_sensors ; Check O2 sensor thresholds for fallback and voting logic
145
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
19 check_sensors:
560
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
20 ; Check min_mv
145
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
21 movff o2_mv_sensor1+0, sub_a+0
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
22 movff o2_mv_sensor1+1, sub_a+1
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
23 movlw LOW min_mv
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
24 movwf sub_b+0
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
25 movlw HIGH min_mv
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
26 movwf sub_b+1
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
27 call sub16 ; sub_c = sub_a - sub_b
192
efe70488a04b voting logic for external monitoring
heinrichsweikamp
parents: 190
diff changeset
28 bsf use_O2_sensor1 ;=1: Use this sensor for deco
145
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
29 btfsc neg_flag
192
efe70488a04b voting logic for external monitoring
heinrichsweikamp
parents: 190
diff changeset
30 bcf use_O2_sensor1 ;=1: Use this sensor for deco
145
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
31
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
32 movff o2_mv_sensor2+0, sub_a+0
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
33 movff o2_mv_sensor2+1, sub_a+1
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
34 movlw LOW min_mv
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
35 movwf sub_b+0
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
36 movlw HIGH min_mv
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
37 movwf sub_b+1
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
38 call sub16 ; sub_c = sub_a - sub_b
192
efe70488a04b voting logic for external monitoring
heinrichsweikamp
parents: 190
diff changeset
39 bsf use_O2_sensor2 ;=1: Use this sensor for deco
145
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
40 btfsc neg_flag
192
efe70488a04b voting logic for external monitoring
heinrichsweikamp
parents: 190
diff changeset
41 bcf use_O2_sensor2 ;=1: Use this sensor for deco
145
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
42
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
43 movff o2_mv_sensor3+0, sub_a+0
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
44 movff o2_mv_sensor3+1, sub_a+1
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
45 movlw LOW min_mv
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
46 movwf sub_b+0
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
47 movlw HIGH min_mv
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
48 movwf sub_b+1
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
49 call sub16 ; sub_c = sub_a - sub_b
192
efe70488a04b voting logic for external monitoring
heinrichsweikamp
parents: 190
diff changeset
50 bsf use_O2_sensor3 ;=1: Use this sensor for deco
145
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
51 btfsc neg_flag
192
efe70488a04b voting logic for external monitoring
heinrichsweikamp
parents: 190
diff changeset
52 bcf use_O2_sensor3 ;=1: Use this sensor for deco
560
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
53
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
54 ; Check max_mv
145
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
55 movff o2_mv_sensor1+0, sub_a+0
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
56 movff o2_mv_sensor1+1, sub_a+1
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
57 movlw LOW max_mv
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
58 movwf sub_b+0
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
59 movlw HIGH max_mv
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
60 movwf sub_b+1
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
61 call sub16 ; sub_c = sub_a - sub_b
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
62 btfss neg_flag
192
efe70488a04b voting logic for external monitoring
heinrichsweikamp
parents: 190
diff changeset
63 bcf use_O2_sensor1 ;=1: Use this sensor for deco
145
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
64
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
65 movff o2_mv_sensor2+0, sub_a+0
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
66 movff o2_mv_sensor2+1, sub_a+1
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
67 movlw LOW max_mv
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
68 movwf sub_b+0
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
69 movlw HIGH max_mv
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
70 movwf sub_b+1
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
71 call sub16 ; sub_c = sub_a - sub_b
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
72 btfss neg_flag
192
efe70488a04b voting logic for external monitoring
heinrichsweikamp
parents: 190
diff changeset
73 bcf use_O2_sensor2 ;=1: Use this sensor for deco
145
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
74
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
75 movff o2_mv_sensor3+0, sub_a+0
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
76 movff o2_mv_sensor3+1, sub_a+1
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
77 movlw LOW max_mv
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
78 movwf sub_b+0
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
79 movlw HIGH max_mv
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
80 movwf sub_b+1
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
81 call sub16 ; sub_c = sub_a - sub_b
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
82 btfss neg_flag
192
efe70488a04b voting logic for external monitoring
heinrichsweikamp
parents: 190
diff changeset
83 bcf use_O2_sensor3 ;=1: Use this sensor for deco
145
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
84
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
85 btfss hud_connection_ok ;=1: HUD connection ok
189
e79bc535ef9e ignore un-calibrated sensors even if they become valid
heinrichsweikamp
parents: 187
diff changeset
86 bra check_sensor2 ; No HUD/Digital data
145
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
87
147
fdd4e30846ae some cleanup
heinrichsweikamp
parents: 145
diff changeset
88 ; Copy disable flags from digital input
227
03946aa48fa5 NEW: Support for hwHUD without the LED module
heinrichsweikamp
parents: 224
diff changeset
89 btfss sensor1_active
03946aa48fa5 NEW: Support for hwHUD without the LED module
heinrichsweikamp
parents: 224
diff changeset
90 bcf use_O2_sensor1
03946aa48fa5 NEW: Support for hwHUD without the LED module
heinrichsweikamp
parents: 224
diff changeset
91 btfss sensor2_active
03946aa48fa5 NEW: Support for hwHUD without the LED module
heinrichsweikamp
parents: 224
diff changeset
92 bcf use_O2_sensor2
03946aa48fa5 NEW: Support for hwHUD without the LED module
heinrichsweikamp
parents: 224
diff changeset
93 btfss sensor3_active
03946aa48fa5 NEW: Support for hwHUD without the LED module
heinrichsweikamp
parents: 224
diff changeset
94 bcf use_O2_sensor3
192
efe70488a04b voting logic for external monitoring
heinrichsweikamp
parents: 190
diff changeset
95 bra check_sensor3 ; Check for voting logic
145
e3ac5b2021bc NEW: Setpoint-Fallback option for external O2 sensor failure
heinrichsweikamp
parents: 113
diff changeset
96
189
e79bc535ef9e ignore un-calibrated sensors even if they become valid
heinrichsweikamp
parents: 187
diff changeset
97 check_sensor2:
560
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
98 ; Copy disable flags from internal calibration routine
189
e79bc535ef9e ignore un-calibrated sensors even if they become valid
heinrichsweikamp
parents: 187
diff changeset
99 btfss sensor1_calibrated_ok
192
efe70488a04b voting logic for external monitoring
heinrichsweikamp
parents: 190
diff changeset
100 bcf use_O2_sensor1
189
e79bc535ef9e ignore un-calibrated sensors even if they become valid
heinrichsweikamp
parents: 187
diff changeset
101 btfss sensor2_calibrated_ok
192
efe70488a04b voting logic for external monitoring
heinrichsweikamp
parents: 190
diff changeset
102 bcf use_O2_sensor2
189
e79bc535ef9e ignore un-calibrated sensors even if they become valid
heinrichsweikamp
parents: 187
diff changeset
103 btfss sensor3_calibrated_ok
192
efe70488a04b voting logic for external monitoring
heinrichsweikamp
parents: 190
diff changeset
104 bcf use_O2_sensor3
efe70488a04b voting logic for external monitoring
heinrichsweikamp
parents: 190
diff changeset
105 check_sensor3: ; Check for voting logic
560
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
106 ; bcf voting_logic_sensor3 ; Yes, ignore this sensor
189
e79bc535ef9e ignore un-calibrated sensors even if they become valid
heinrichsweikamp
parents: 187
diff changeset
107 return
e79bc535ef9e ignore un-calibrated sensors even if they become valid
heinrichsweikamp
parents: 187
diff changeset
108
192
efe70488a04b voting logic for external monitoring
heinrichsweikamp
parents: 190
diff changeset
109
113
heinrichsweikamp
parents:
diff changeset
110 global calibrate_mix
heinrichsweikamp
parents:
diff changeset
111 calibrate_mix:
heinrichsweikamp
parents:
diff changeset
112 ; calibrate S8 HUD
heinrichsweikamp
parents:
diff changeset
113 btfss s8_digital ; S8 Digital?
heinrichsweikamp
parents:
diff changeset
114 bra calibrate_mix2 ; No
heinrichsweikamp
parents:
diff changeset
115
189
e79bc535ef9e ignore un-calibrated sensors even if they become valid
heinrichsweikamp
parents: 187
diff changeset
116 ; Yes, calibrate any S8-connected HUD
113
heinrichsweikamp
parents:
diff changeset
117 clrf temp1 ; Chksum
heinrichsweikamp
parents:
diff changeset
118 movlw 0xAA ; Start Byte
heinrichsweikamp
parents:
diff changeset
119 addwf temp1,F
heinrichsweikamp
parents:
diff changeset
120 movff WREG,TXREG2
heinrichsweikamp
parents:
diff changeset
121 call rs232_wait_tx2
heinrichsweikamp
parents:
diff changeset
122
heinrichsweikamp
parents:
diff changeset
123 movlw 0x31 ; Calibrate
heinrichsweikamp
parents:
diff changeset
124 addwf temp1,F
heinrichsweikamp
parents:
diff changeset
125 movff WREG,TXREG2
heinrichsweikamp
parents:
diff changeset
126 call rs232_wait_tx2
heinrichsweikamp
parents:
diff changeset
127
560
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
128 movff opt_calibration_O2_ratio,WREG ; Calibration gas %O2
113
heinrichsweikamp
parents:
diff changeset
129 addwf temp1,F
heinrichsweikamp
parents:
diff changeset
130 movff WREG,TXREG2
heinrichsweikamp
parents:
diff changeset
131 call rs232_wait_tx2
heinrichsweikamp
parents:
diff changeset
132
560
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
133 movff amb_pressure+0,WREG ; Ambient pressure
113
heinrichsweikamp
parents:
diff changeset
134 addwf temp1,F
heinrichsweikamp
parents:
diff changeset
135 movff WREG,TXREG2
heinrichsweikamp
parents:
diff changeset
136 call rs232_wait_tx2
heinrichsweikamp
parents:
diff changeset
137 movff amb_pressure+1,WREG
heinrichsweikamp
parents:
diff changeset
138 addwf temp1,F
heinrichsweikamp
parents:
diff changeset
139 movff WREG,TXREG2
heinrichsweikamp
parents:
diff changeset
140 call rs232_wait_tx2
heinrichsweikamp
parents:
diff changeset
141
560
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
142 movff temp1,TXREG2 ; Chksum
113
heinrichsweikamp
parents:
diff changeset
143 call rs232_wait_tx2
heinrichsweikamp
parents:
diff changeset
144
heinrichsweikamp
parents:
diff changeset
145 calibrate_mix2:
560
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
146 movff opt_calibration_O2_ratio,WREG ; Calibration gas %O2
113
heinrichsweikamp
parents:
diff changeset
147 mullw .100
heinrichsweikamp
parents:
diff changeset
148 movff PRODL,xA+0
heinrichsweikamp
parents:
diff changeset
149 movff PRODH,xA+1
560
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
150 ; (%O2*100)*[ambient,mbar]/100 -> xC
113
heinrichsweikamp
parents:
diff changeset
151 movff amb_pressure+0,xB+0
heinrichsweikamp
parents:
diff changeset
152 movff amb_pressure+1,xB+1
448
aadfe9f2edaf work on new battery options
heinrichsweikamp
parents: 352
diff changeset
153 rcall calibrate_mix2_helper
113
heinrichsweikamp
parents:
diff changeset
154 movff o2_mv_sensor1+0,xB+0
heinrichsweikamp
parents:
diff changeset
155 movff o2_mv_sensor1+1,xB+1
heinrichsweikamp
parents:
diff changeset
156 call div32x16 ; xC:4 / xB:2 = xC+3:xC+2 with xC+1:xC+0 as remainder
heinrichsweikamp
parents:
diff changeset
157 ; xC= ppO2/mV
heinrichsweikamp
parents:
diff changeset
158 movff xC+0,opt_x_s1+0
560
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
159 movff xC+1,opt_x_s1+1 ; Factor for Sensor1
113
heinrichsweikamp
parents:
diff changeset
160
560
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
161 movff opt_calibration_O2_ratio,WREG ; Calibration gas %O2
113
heinrichsweikamp
parents:
diff changeset
162 mullw .100
heinrichsweikamp
parents:
diff changeset
163 movff PRODL,xA+0
heinrichsweikamp
parents:
diff changeset
164 movff PRODH,xA+1
560
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
165 ; (%O2*100)*[ambient,mbar]/100 -> xC
113
heinrichsweikamp
parents:
diff changeset
166 movff amb_pressure+0,xB+0
heinrichsweikamp
parents:
diff changeset
167 movff amb_pressure+1,xB+1
448
aadfe9f2edaf work on new battery options
heinrichsweikamp
parents: 352
diff changeset
168 rcall calibrate_mix2_helper
113
heinrichsweikamp
parents:
diff changeset
169 movff o2_mv_sensor2+0,xB+0
heinrichsweikamp
parents:
diff changeset
170 movff o2_mv_sensor2+1,xB+1
heinrichsweikamp
parents:
diff changeset
171 call div32x16 ; xC:4 / xB:2 = xC+3:xC+2 with xC+1:xC+0 as remainder
heinrichsweikamp
parents:
diff changeset
172 ; xC= ppO2/mV
heinrichsweikamp
parents:
diff changeset
173 movff xC+0,opt_x_s2+0
560
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
174 movff xC+1,opt_x_s2+1 ; Factor for Sensor2
113
heinrichsweikamp
parents:
diff changeset
175
560
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
176 movff opt_calibration_O2_ratio,WREG ; Calibration gas %O2
113
heinrichsweikamp
parents:
diff changeset
177 mullw .100
heinrichsweikamp
parents:
diff changeset
178 movff PRODL,xA+0
heinrichsweikamp
parents:
diff changeset
179 movff PRODH,xA+1
560
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
180 ; (%O2*100)*[ambient,mbar]/100 -> xC
113
heinrichsweikamp
parents:
diff changeset
181 movff amb_pressure+0,xB+0
heinrichsweikamp
parents:
diff changeset
182 movff amb_pressure+1,xB+1
448
aadfe9f2edaf work on new battery options
heinrichsweikamp
parents: 352
diff changeset
183 rcall calibrate_mix2_helper
113
heinrichsweikamp
parents:
diff changeset
184 movff o2_mv_sensor3+0,xB+0
heinrichsweikamp
parents:
diff changeset
185 movff o2_mv_sensor3+1,xB+1
heinrichsweikamp
parents:
diff changeset
186 call div32x16 ; xC:4 / xB:2 = xC+3:xC+2 with xC+1:xC+0 as remainder
heinrichsweikamp
parents:
diff changeset
187 ; xC= ppO2/mV
heinrichsweikamp
parents:
diff changeset
188 movff xC+0,opt_x_s3+0
560
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
189 movff xC+1,opt_x_s3+1 ; Factor for Sensor3
113
heinrichsweikamp
parents:
diff changeset
190
189
e79bc535ef9e ignore un-calibrated sensors even if they become valid
heinrichsweikamp
parents: 187
diff changeset
191 bsf sensor1_calibrated_ok
e79bc535ef9e ignore un-calibrated sensors even if they become valid
heinrichsweikamp
parents: 187
diff changeset
192 bsf sensor2_calibrated_ok
e79bc535ef9e ignore un-calibrated sensors even if they become valid
heinrichsweikamp
parents: 187
diff changeset
193 bsf sensor3_calibrated_ok ; Set flags prior check
560
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
194
189
e79bc535ef9e ignore un-calibrated sensors even if they become valid
heinrichsweikamp
parents: 187
diff changeset
195 rcall check_sensors ; Check O2 sensor thresholds min_mv and max_mv and set use_02_sensorX flags
e79bc535ef9e ignore un-calibrated sensors even if they become valid
heinrichsweikamp
parents: 187
diff changeset
196 ; initialise internal calibration flags
192
efe70488a04b voting logic for external monitoring
heinrichsweikamp
parents: 190
diff changeset
197 btfss use_O2_sensor1 ; Sensor out of range?
189
e79bc535ef9e ignore un-calibrated sensors even if they become valid
heinrichsweikamp
parents: 187
diff changeset
198 bcf sensor1_calibrated_ok ; Yes, disable this sensor
192
efe70488a04b voting logic for external monitoring
heinrichsweikamp
parents: 190
diff changeset
199 btfss use_O2_sensor2 ; Sensor out of range?
189
e79bc535ef9e ignore un-calibrated sensors even if they become valid
heinrichsweikamp
parents: 187
diff changeset
200 bcf sensor2_calibrated_ok ; Yes, disable this sensor
192
efe70488a04b voting logic for external monitoring
heinrichsweikamp
parents: 190
diff changeset
201 btfss use_O2_sensor3 ; Sensor out of range?
189
e79bc535ef9e ignore un-calibrated sensors even if they become valid
heinrichsweikamp
parents: 187
diff changeset
202 bcf sensor3_calibrated_ok ; Yes, disable this sensor
113
heinrichsweikamp
parents:
diff changeset
203
heinrichsweikamp
parents:
diff changeset
204 ; When no sensor is found, enable all three to show error state
192
efe70488a04b voting logic for external monitoring
heinrichsweikamp
parents: 190
diff changeset
205 btfsc use_O2_sensor1
113
heinrichsweikamp
parents:
diff changeset
206 return
192
efe70488a04b voting logic for external monitoring
heinrichsweikamp
parents: 190
diff changeset
207 btfsc use_O2_sensor2
113
heinrichsweikamp
parents:
diff changeset
208 return
192
efe70488a04b voting logic for external monitoring
heinrichsweikamp
parents: 190
diff changeset
209 btfsc use_O2_sensor3
113
heinrichsweikamp
parents:
diff changeset
210 return
192
efe70488a04b voting logic for external monitoring
heinrichsweikamp
parents: 190
diff changeset
211 bsf use_O2_sensor1
efe70488a04b voting logic for external monitoring
heinrichsweikamp
parents: 190
diff changeset
212 bsf use_O2_sensor2
efe70488a04b voting logic for external monitoring
heinrichsweikamp
parents: 190
diff changeset
213 bsf use_O2_sensor3
113
heinrichsweikamp
parents:
diff changeset
214 ; Clear factors
heinrichsweikamp
parents:
diff changeset
215 banksel opt_x_s1+0
heinrichsweikamp
parents:
diff changeset
216 clrf opt_x_s1+0
heinrichsweikamp
parents:
diff changeset
217 clrf opt_x_s1+1
heinrichsweikamp
parents:
diff changeset
218 clrf opt_x_s2+0
heinrichsweikamp
parents:
diff changeset
219 clrf opt_x_s2+1
heinrichsweikamp
parents:
diff changeset
220 clrf opt_x_s3+0
heinrichsweikamp
parents:
diff changeset
221 clrf opt_x_s3+1
heinrichsweikamp
parents:
diff changeset
222 banksel common
heinrichsweikamp
parents:
diff changeset
223 return
heinrichsweikamp
parents:
diff changeset
224
560
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
225
448
aadfe9f2edaf work on new battery options
heinrichsweikamp
parents: 352
diff changeset
226 calibrate_mix2_helper:
560
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
227 call mult16x16 ; xA*xB=xC
448
aadfe9f2edaf work on new battery options
heinrichsweikamp
parents: 352
diff changeset
228 movlw LOW .100
aadfe9f2edaf work on new battery options
heinrichsweikamp
parents: 352
diff changeset
229 movwf xB+0
aadfe9f2edaf work on new battery options
heinrichsweikamp
parents: 352
diff changeset
230 movlw HIGH .100
aadfe9f2edaf work on new battery options
heinrichsweikamp
parents: 352
diff changeset
231 movwf xB+1
560
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
232 goto div32x16 ; xC:4 / xB:2 = xC+3:xC+2 with xC+1:xC+0 as remainder (And return)
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
233
448
aadfe9f2edaf work on new battery options
heinrichsweikamp
parents: 352
diff changeset
234
560
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
235 global compute_mvolts_for_all_sensors
113
heinrichsweikamp
parents:
diff changeset
236 compute_mvolts_for_all_sensors: ; Compute mV or all sensors (S8 Mode)
heinrichsweikamp
parents:
diff changeset
237 ; compute AD results in 100µV steps (16bit/sensor)
heinrichsweikamp
parents:
diff changeset
238 ; 24bit AD result is in 244,1406541nV
heinrichsweikamp
parents:
diff changeset
239 ; Devide 24bit value through 409,5999512 -> 410 (0,01% error)
560
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
240 #DEFINE ad2mv_factor .410
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
241 ; Sensor 1
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
242 clrf xC+3
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
243 movff s8_rawdata_sensor1+2,xC+2
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
244 movff s8_rawdata_sensor1+1,xC+1
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
245 movff s8_rawdata_sensor1+0,xC+0
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
246 movlw LOW ad2mv_factor
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
247 movwf xB+0
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
248 movlw HIGH ad2mv_factor
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
249 movwf xB+1
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
250 call div32x16 ; xC:4 / xB:2 = xC+3:xC+2 with xC+1:xC+0 as remainder
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
251 movff xC+1,o2_mv_sensor1+1
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
252 movff xC+0,o2_mv_sensor1+0 ; in 100uV steps
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
253 ; Sensor 2
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
254 clrf xC+3
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
255 movff s8_rawdata_sensor2+2,xC+2
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
256 movff s8_rawdata_sensor2+1,xC+1
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
257 movff s8_rawdata_sensor2+0,xC+0
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
258 movlw LOW ad2mv_factor
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
259 movwf xB+0
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
260 movlw HIGH ad2mv_factor
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
261 movwf xB+1
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
262 call div32x16 ; xC:4 / xB:2 = xC+3:xC+2 with xC+1:xC+0 as remainder
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
263 movff xC+1,o2_mv_sensor2+1
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
264 movff xC+0,o2_mv_sensor2+0 ; in 100uV steps
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
265 ; Sensor 3
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
266 clrf xC+3
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
267 movff s8_rawdata_sensor3+2,xC+2
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
268 movff s8_rawdata_sensor3+1,xC+1
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
269 movff s8_rawdata_sensor3+0,xC+0
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
270 movlw LOW ad2mv_factor
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
271 movwf xB+0
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
272 movlw HIGH ad2mv_factor
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
273 movwf xB+1
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
274 call div32x16 ; xC:4 / xB:2 = xC+3:xC+2 with xC+1:xC+0 as remainder
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
275 movff xC+1,o2_mv_sensor3+1
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
276 movff xC+0,o2_mv_sensor3+0 ; in 100uV steps
113
heinrichsweikamp
parents:
diff changeset
277
560
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
278 bcf new_s8_data_available ; Clear flag
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
279 return ; Done.
113
heinrichsweikamp
parents:
diff changeset
280
560
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
281
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
282
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
283 global transmit_setpoint ; Transmit current setpoint from WREG (in cbar) to external electronics
352
5c6da9fa5cb0 add setpoint change to first sample in CCR mode
heinrichsweikamp
parents: 275
diff changeset
284 transmit_setpoint:
448
aadfe9f2edaf work on new battery options
heinrichsweikamp
parents: 352
diff changeset
285 return
352
5c6da9fa5cb0 add setpoint change to first sample in CCR mode
heinrichsweikamp
parents: 275
diff changeset
286 btfss s8_digital ; S8 Digital?
5c6da9fa5cb0 add setpoint change to first sample in CCR mode
heinrichsweikamp
parents: 275
diff changeset
287 return ; No, ignore
5c6da9fa5cb0 add setpoint change to first sample in CCR mode
heinrichsweikamp
parents: 275
diff changeset
288
5c6da9fa5cb0 add setpoint change to first sample in CCR mode
heinrichsweikamp
parents: 275
diff changeset
289 ; Yes, transmit setpoint from WREG
5c6da9fa5cb0 add setpoint change to first sample in CCR mode
heinrichsweikamp
parents: 275
diff changeset
290 movwf temp2 ; Store setpoint
5c6da9fa5cb0 add setpoint change to first sample in CCR mode
heinrichsweikamp
parents: 275
diff changeset
291 clrf temp1 ; Chksum
5c6da9fa5cb0 add setpoint change to first sample in CCR mode
heinrichsweikamp
parents: 275
diff changeset
292 movlw 0xAA ; Start Byte
5c6da9fa5cb0 add setpoint change to first sample in CCR mode
heinrichsweikamp
parents: 275
diff changeset
293 addwf temp1,F
5c6da9fa5cb0 add setpoint change to first sample in CCR mode
heinrichsweikamp
parents: 275
diff changeset
294 movff WREG,TXREG2
5c6da9fa5cb0 add setpoint change to first sample in CCR mode
heinrichsweikamp
parents: 275
diff changeset
295 call rs232_wait_tx2
5c6da9fa5cb0 add setpoint change to first sample in CCR mode
heinrichsweikamp
parents: 275
diff changeset
296
5c6da9fa5cb0 add setpoint change to first sample in CCR mode
heinrichsweikamp
parents: 275
diff changeset
297 movlw 0x60 ; New SP
5c6da9fa5cb0 add setpoint change to first sample in CCR mode
heinrichsweikamp
parents: 275
diff changeset
298 addwf temp1,F
5c6da9fa5cb0 add setpoint change to first sample in CCR mode
heinrichsweikamp
parents: 275
diff changeset
299 movff WREG,TXREG2
5c6da9fa5cb0 add setpoint change to first sample in CCR mode
heinrichsweikamp
parents: 275
diff changeset
300 call rs232_wait_tx2
5c6da9fa5cb0 add setpoint change to first sample in CCR mode
heinrichsweikamp
parents: 275
diff changeset
301
560
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
302 movff temp2,WREG ; SP in cbar
352
5c6da9fa5cb0 add setpoint change to first sample in CCR mode
heinrichsweikamp
parents: 275
diff changeset
303 addwf temp1,F
5c6da9fa5cb0 add setpoint change to first sample in CCR mode
heinrichsweikamp
parents: 275
diff changeset
304 movff WREG,TXREG2
5c6da9fa5cb0 add setpoint change to first sample in CCR mode
heinrichsweikamp
parents: 275
diff changeset
305 call rs232_wait_tx2
5c6da9fa5cb0 add setpoint change to first sample in CCR mode
heinrichsweikamp
parents: 275
diff changeset
306
560
b7eb98dbd800 bump to 2.96beta (REFACTORED VERSION)
heinrichsweikamp
parents: 448
diff changeset
307 movff temp1,TXREG2 ; Chksum
352
5c6da9fa5cb0 add setpoint change to first sample in CCR mode
heinrichsweikamp
parents: 275
diff changeset
308 call rs232_wait_tx2
5c6da9fa5cb0 add setpoint change to first sample in CCR mode
heinrichsweikamp
parents: 275
diff changeset
309 return
113
heinrichsweikamp
parents:
diff changeset
310
heinrichsweikamp
parents:
diff changeset
311
heinrichsweikamp
parents:
diff changeset
312 END