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annotate src/calibrate.asm @ 467:6ca155fc1509

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battery gauge handling
author heinrichsweikamp
date Sun, 20 Nov 2016 12:54:36 +0100
parents aadfe9f2edaf
children b7eb98dbd800
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1 ;=============================================================================
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2 ;
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3 ; File calibration.asm
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4 ;
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5 ; o2 sensor calibration subroutines
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6 ;
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7 ; Copyright (c) 2014, Heinrichs Weikamp, all right reserved.
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8 ;=============================================================================
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9
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10 #include "hwos.inc"
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11 #include "shared_definitions.h" ; Mailbox between c and asm
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12 #include "math.inc"
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13 #include "adc_lightsensor.inc"
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14 #include "eeprom_rs232.inc"
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15
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16 calibrate CODE
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17
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18 global check_sensors ; Check O2 sensor thresholds for fallback and voting logic
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19 check_sensors:
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20 ; Check min_mv
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21 movff o2_mv_sensor1+0, sub_a+0
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22 movff o2_mv_sensor1+1, sub_a+1
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23 movlw LOW min_mv
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24 movwf sub_b+0
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25 movlw HIGH min_mv
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26 movwf sub_b+1
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27 call sub16 ; sub_c = sub_a - sub_b
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28 bsf use_O2_sensor1 ;=1: Use this sensor for deco
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29 btfsc neg_flag
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30 bcf use_O2_sensor1 ;=1: Use this sensor for deco
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31
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32 movff o2_mv_sensor2+0, sub_a+0
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33 movff o2_mv_sensor2+1, sub_a+1
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34 movlw LOW min_mv
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35 movwf sub_b+0
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36 movlw HIGH min_mv
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37 movwf sub_b+1
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38 call sub16 ; sub_c = sub_a - sub_b
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39 bsf use_O2_sensor2 ;=1: Use this sensor for deco
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40 btfsc neg_flag
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41 bcf use_O2_sensor2 ;=1: Use this sensor for deco
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42
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43 movff o2_mv_sensor3+0, sub_a+0
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44 movff o2_mv_sensor3+1, sub_a+1
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45 movlw LOW min_mv
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46 movwf sub_b+0
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47 movlw HIGH min_mv
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48 movwf sub_b+1
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49 call sub16 ; sub_c = sub_a - sub_b
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50 bsf use_O2_sensor3 ;=1: Use this sensor for deco
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51 btfsc neg_flag
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52 bcf use_O2_sensor3 ;=1: Use this sensor for deco
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53 ; Check max_mv
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54 movff o2_mv_sensor1+0, sub_a+0
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55 movff o2_mv_sensor1+1, sub_a+1
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56 movlw LOW max_mv
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57 movwf sub_b+0
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58 movlw HIGH max_mv
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59 movwf sub_b+1
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60 call sub16 ; sub_c = sub_a - sub_b
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61 btfss neg_flag
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62 bcf use_O2_sensor1 ;=1: Use this sensor for deco
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63
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64 movff o2_mv_sensor2+0, sub_a+0
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65 movff o2_mv_sensor2+1, sub_a+1
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66 movlw LOW max_mv
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67 movwf sub_b+0
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68 movlw HIGH max_mv
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69 movwf sub_b+1
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70 call sub16 ; sub_c = sub_a - sub_b
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71 btfss neg_flag
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72 bcf use_O2_sensor2 ;=1: Use this sensor for deco
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74 movff o2_mv_sensor3+0, sub_a+0
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75 movff o2_mv_sensor3+1, sub_a+1
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76 movlw LOW max_mv
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77 movwf sub_b+0
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78 movlw HIGH max_mv
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79 movwf sub_b+1
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80 call sub16 ; sub_c = sub_a - sub_b
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81 btfss neg_flag
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82 bcf use_O2_sensor3 ;=1: Use this sensor for deco
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83
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84 btfss hud_connection_ok ;=1: HUD connection ok
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85 bra check_sensor2 ; No HUD/Digital data
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86
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87 ; Copy disable flags from digital input
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88 btfss sensor1_active
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89 bcf use_O2_sensor1
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90 btfss sensor2_active
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91 bcf use_O2_sensor2
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92 btfss sensor3_active
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93 bcf use_O2_sensor3
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94 bra check_sensor3 ; Check for voting logic
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95
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96 check_sensor2:
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97 ; Copy disable flags from internal calibration routine
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98 btfss sensor1_calibrated_ok
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99 bcf use_O2_sensor1
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100 btfss sensor2_calibrated_ok
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101 bcf use_O2_sensor2
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102 btfss sensor3_calibrated_ok
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103 bcf use_O2_sensor3
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104 check_sensor3: ; Check for voting logic
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105 bsf voting_logic_sensor1
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106 movff o2_ppo2_sensor1,temp1
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107 rcall check_sensor_voting_common
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108 incfsz WREG ; Was Wreg=255?
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109 bcf voting_logic_sensor1 ; Yes, ignore this sensor
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110 bsf voting_logic_sensor2
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111 movff o2_ppo2_sensor2,temp1
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112 rcall check_sensor_voting_common
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113 incfsz WREG ; Was Wreg=255?
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114 bcf voting_logic_sensor2 ; Yes, ignore this sensor
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115 bsf voting_logic_sensor3
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116 movff o2_ppo2_sensor3,temp1
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117 rcall check_sensor_voting_common
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118 incfsz WREG ; Was Wreg=255?
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119 bcf voting_logic_sensor3 ; Yes, ignore this sensor
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120 return
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121
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122
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123 check_sensor_voting_common:
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124 movf temp1,W
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125 cpfsgt sensor_setpoint
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126 bra check_sensor_voting_common2 ; temp1<sensor_setpoint
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127 ; temp1>sensor_setpoint
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128 movf temp1,W
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129 subwf sensor_setpoint,W
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130 movwf temp1
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131 check_sensor_voting_common1:
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132 movlw sensor_voting_logic_threshold ; Threshold in 0.01bar
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133 cpfsgt temp1
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134 retlw .255 ; Within range
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135 retlw .0 ; Out of range
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136 check_sensor_voting_common2:
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137 ; temp1<sensor_setpoint
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138 movf sensor_setpoint,W
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139 subwf temp1,F
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140 bra check_sensor_voting_common1
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141
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142 global calibrate_mix
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143 calibrate_mix:
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144 ; calibrate S8 HUD
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145 btfss s8_digital ; S8 Digital?
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146 bra calibrate_mix2 ; No
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147
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148 ; Yes, calibrate any S8-connected HUD
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149 clrf temp1 ; Chksum
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150 movlw 0xAA ; Start Byte
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151 addwf temp1,F
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152 movff WREG,TXREG2
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153 call rs232_wait_tx2
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154
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155 movlw 0x31 ; Calibrate
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156 addwf temp1,F
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157 movff WREG,TXREG2
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158 call rs232_wait_tx2
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159
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160 movff opt_calibration_O2_ratio,WREG ; Calibration gas %O2
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161 addwf temp1,F
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162 movff WREG,TXREG2
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163 call rs232_wait_tx2
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164
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165 movff amb_pressure+0,WREG ; Ambient pressure
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166 addwf temp1,F
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167 movff WREG,TXREG2
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168 call rs232_wait_tx2
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169 movff amb_pressure+1,WREG
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170 addwf temp1,F
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171 movff WREG,TXREG2
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172 call rs232_wait_tx2
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173
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174 movff temp1,TXREG2 ; Chksum
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175 call rs232_wait_tx2
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176
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177 calibrate_mix2:
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178 movff opt_calibration_O2_ratio,WREG ; Calibration gas %O2
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179 mullw .100
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180 movff PRODL,xA+0
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181 movff PRODH,xA+1
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182 ; (%O2*100)*[ambient,mbar]/100 -> xC
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183 movff amb_pressure+0,xB+0
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184 movff amb_pressure+1,xB+1
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diff changeset
185 rcall calibrate_mix2_helper
113
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parents:
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186 movff o2_mv_sensor1+0,xB+0
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parents:
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187 movff o2_mv_sensor1+1,xB+1
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parents:
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188 call div32x16 ; xC:4 / xB:2 = xC+3:xC+2 with xC+1:xC+0 as remainder
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189 ; xC= ppO2/mV
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190 movff xC+0,opt_x_s1+0
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parents:
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191 movff xC+1,opt_x_s1+1 ; Factor for Sensor1
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192
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193 movff opt_calibration_O2_ratio,WREG ; Calibration gas %O2
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194 mullw .100
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parents:
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195 movff PRODL,xA+0
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parents:
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196 movff PRODH,xA+1
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parents:
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197 ; (%O2*100)*[ambient,mbar]/100 -> xC
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198 movff amb_pressure+0,xB+0
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199 movff amb_pressure+1,xB+1
448
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diff changeset
200 rcall calibrate_mix2_helper
113
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parents:
diff changeset
201 movff o2_mv_sensor2+0,xB+0
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parents:
diff changeset
202 movff o2_mv_sensor2+1,xB+1
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parents:
diff changeset
203 call div32x16 ; xC:4 / xB:2 = xC+3:xC+2 with xC+1:xC+0 as remainder
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204 ; xC= ppO2/mV
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parents:
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205 movff xC+0,opt_x_s2+0
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parents:
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206 movff xC+1,opt_x_s2+1 ; Factor for Sensor2
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207
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208 movff opt_calibration_O2_ratio,WREG ; Calibration gas %O2
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parents:
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209 mullw .100
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210 movff PRODL,xA+0
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parents:
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211 movff PRODH,xA+1
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parents:
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212 ; (%O2*100)*[ambient,mbar]/100 -> xC
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213 movff amb_pressure+0,xB+0
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214 movff amb_pressure+1,xB+1
448
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diff changeset
215 rcall calibrate_mix2_helper
113
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216 movff o2_mv_sensor3+0,xB+0
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parents:
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217 movff o2_mv_sensor3+1,xB+1
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parents:
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218 call div32x16 ; xC:4 / xB:2 = xC+3:xC+2 with xC+1:xC+0 as remainder
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219 ; xC= ppO2/mV
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220 movff xC+0,opt_x_s3+0
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221 movff xC+1,opt_x_s3+1 ; Factor for Sensor3
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222
189
e79bc535ef9e ignore un-calibrated sensors even if they become valid
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parents: 187
diff changeset
223 bsf sensor1_calibrated_ok
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parents: 187
diff changeset
224 bsf sensor2_calibrated_ok
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parents: 187
diff changeset
225 bsf sensor3_calibrated_ok ; Set flags prior check
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parents: 187
diff changeset
226 rcall check_sensors ; Check O2 sensor thresholds min_mv and max_mv and set use_02_sensorX flags
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parents: 187
diff changeset
227 ; initialise internal calibration flags
192
efe70488a04b voting logic for external monitoring
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parents: 190
diff changeset
228 btfss use_O2_sensor1 ; Sensor out of range?
189
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parents: 187
diff changeset
229 bcf sensor1_calibrated_ok ; Yes, disable this sensor
192
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parents: 190
diff changeset
230 btfss use_O2_sensor2 ; Sensor out of range?
189
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parents: 187
diff changeset
231 bcf sensor2_calibrated_ok ; Yes, disable this sensor
192
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parents: 190
diff changeset
232 btfss use_O2_sensor3 ; Sensor out of range?
189
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parents: 187
diff changeset
233 bcf sensor3_calibrated_ok ; Yes, disable this sensor
113
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234
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235 ; When no sensor is found, enable all three to show error state
192
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parents: 190
diff changeset
236 btfsc use_O2_sensor1
113
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237 return
192
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parents: 190
diff changeset
238 btfsc use_O2_sensor2
113
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parents:
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239 return
192
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parents: 190
diff changeset
240 btfsc use_O2_sensor3
113
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parents:
diff changeset
241 return
192
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parents: 190
diff changeset
242 bsf use_O2_sensor1
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parents: 190
diff changeset
243 bsf use_O2_sensor2
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parents: 190
diff changeset
244 bsf use_O2_sensor3
113
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245 ; Clear factors
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parents:
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246 banksel opt_x_s1+0
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parents:
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247 clrf opt_x_s1+0
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parents:
diff changeset
248 clrf opt_x_s1+1
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parents:
diff changeset
249 clrf opt_x_s2+0
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parents:
diff changeset
250 clrf opt_x_s2+1
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parents:
diff changeset
251 clrf opt_x_s3+0
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parents:
diff changeset
252 clrf opt_x_s3+1
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parents:
diff changeset
253 banksel common
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parents:
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254 return
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parents:
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255
448
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parents: 352
diff changeset
256 calibrate_mix2_helper:
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diff changeset
257 call mult16x16 ;xA*xB=xC
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parents: 352
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258 movlw LOW .100
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parents: 352
diff changeset
259 movwf xB+0
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parents: 352
diff changeset
260 movlw HIGH .100
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parents: 352
diff changeset
261 movwf xB+1
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diff changeset
262 goto div32x16 ; xC:4 / xB:2 = xC+3:xC+2 with xC+1:xC+0 as remainder (And return)
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diff changeset
263
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diff changeset
264
113
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265 compute_ppo2_analog:
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266 call get_analog_inputs
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267 bra compute_ppo2_common
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268
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269 global compute_ppo2 ; compute mv_sensorX and ppo2_sensorX arrays
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parents:
diff changeset
270 compute_ppo2:
236
e2ea74646127 configure hardware_flag byte
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parents: 235
diff changeset
271 btfss analog_o2_input ; cR hardware?
113
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parents:
diff changeset
272 return ; No
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parents:
diff changeset
273
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parents:
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274 btfss s8_digital ; =1: Digital I/O
heinrichsweikamp
parents:
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275 bra compute_ppo2_analog ; use analog
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parents:
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276
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277 ; use digital
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parents:
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278 btfss new_s8_data_available ; =1: New data frame recieved
heinrichsweikamp
parents:
diff changeset
279 return
448
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parents: 352
diff changeset
280 rcall compute_mvolts_for_all_sensors
113
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parents:
diff changeset
281
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282 compute_ppo2_common:
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283 ; o2_mv_sensor1:2 * opt_x_s1:2 = o2_ppo2_sensor1/10000
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parents:
diff changeset
284 movff o2_mv_sensor1+0,xA+0
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parents:
diff changeset
285 movff o2_mv_sensor1+1,xA+1
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parents:
diff changeset
286 movff opt_x_s1+0,xB+0
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parents:
diff changeset
287 movff opt_x_s1+1,xB+1
448
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parents: 352
diff changeset
288 rcall compute_ppo2_common_helper
190
a0f9ec25852e limit sensor-read ppO2 to 2.55bar
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parents: 189
diff changeset
289 movff xC+0,o2_ppo2_sensor1 ; result in 0.01bar
192
efe70488a04b voting logic for external monitoring
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parents: 190
diff changeset
290 ; ; Set to zero if sensor is not active!
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parents: 190
diff changeset
291 ; btfss use_O2_sensor1
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parents: 190
diff changeset
292 ; clrf o2_ppo2_sensor1
113
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parents:
diff changeset
293
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parents:
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294 ; o2_mv_sensor2:2 * opt_x_s1:2 = o2_ppo2_sensor2/10000
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parents:
diff changeset
295 movff o2_mv_sensor2+0,xA+0
heinrichsweikamp
parents:
diff changeset
296 movff o2_mv_sensor2+1,xA+1
heinrichsweikamp
parents:
diff changeset
297 movff opt_x_s2+0,xB+0
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parents:
diff changeset
298 movff opt_x_s2+1,xB+1
448
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parents: 352
diff changeset
299 rcall compute_ppo2_common_helper
190
a0f9ec25852e limit sensor-read ppO2 to 2.55bar
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parents: 189
diff changeset
300 movff xC+0,o2_ppo2_sensor2 ; result in 0.01bar
192
efe70488a04b voting logic for external monitoring
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parents: 190
diff changeset
301 ; ; Set to zero if sensor is not active!
efe70488a04b voting logic for external monitoring
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parents: 190
diff changeset
302 ; btfss use_O2_sensor2
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parents: 190
diff changeset
303 ; clrf o2_ppo2_sensor2
113
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parents:
diff changeset
304
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parents:
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305 ; o2_mv_sensor3:2 * opt_x_s1:2 = o2_ppo2_sensor3/10000
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parents:
diff changeset
306 movff o2_mv_sensor3+0,xA+0
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parents:
diff changeset
307 movff o2_mv_sensor3+1,xA+1
heinrichsweikamp
parents:
diff changeset
308 movff opt_x_s3+0,xB+0
heinrichsweikamp
parents:
diff changeset
309 movff opt_x_s3+1,xB+1
448
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parents: 352
diff changeset
310 rcall compute_ppo2_common_helper
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parents: 352
diff changeset
311 movff xC+0,o2_ppo2_sensor3 ; result in 0.01bar
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diff changeset
312 ; ; Set to zero if sensor is not active!
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parents: 352
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313 ; btfss use_O2_sensor3
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parents: 352
diff changeset
314 ; clrf o2_ppo2_sensor3
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parents: 352
diff changeset
315 return ; Done.
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parents: 352
diff changeset
316
aadfe9f2edaf work on new battery options
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parents: 352
diff changeset
317 compute_ppo2_common_helper:
113
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parents:
diff changeset
318 call mult16x16 ;xA:2*xB:2=xC:4
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parents:
diff changeset
319 movlw LOW .1000
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parents:
diff changeset
320 movwf xB+0
448
aadfe9f2edaf work on new battery options
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parents: 352
diff changeset
321 movlw HIGH .1000
113
heinrichsweikamp
parents:
diff changeset
322 movwf xB+1
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parents:
diff changeset
323 call div32x16 ; xC:4 / xB:2 = xC+3:xC+2 with xC+1:xC+0 as remainder
heinrichsweikamp
parents:
diff changeset
324 movlw d'1'
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parents:
diff changeset
325 addwf xC+0,F
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parents:
diff changeset
326 movlw d'0'
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parents:
diff changeset
327 addwfc xC+1,F
448
aadfe9f2edaf work on new battery options
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parents: 352
diff changeset
328 tstfsz xC+1 ; ppO2 is higher then 2.55bar?
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parents: 352
diff changeset
329 setf xC+0 ; Yes.
aadfe9f2edaf work on new battery options
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parents: 352
diff changeset
330 return
113
heinrichsweikamp
parents:
diff changeset
331
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parents:
diff changeset
332 compute_mvolts_for_all_sensors: ; Compute mV or all sensors (S8 Mode)
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parents:
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333 ; compute AD results in 100µV steps (16bit/sensor)
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parents:
diff changeset
334 ; 24bit AD result is in 244,1406541nV
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parents:
diff changeset
335 ; Devide 24bit value through 409,5999512 -> 410 (0,01% error)
heinrichsweikamp
parents:
diff changeset
336 #DEFINE ad2mv_factor .410
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parents:
diff changeset
337 ; Sensor 1
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parents:
diff changeset
338 clrf xC+3
268
29acdb601548 BUGFIX: Increase timing tolerance for S8 HUD (cR only)
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parents: 236
diff changeset
339 movff s8_rawdata_sensor1+2,xC+2
29acdb601548 BUGFIX: Increase timing tolerance for S8 HUD (cR only)
heinrichsweikamp
parents: 236
diff changeset
340 movff s8_rawdata_sensor1+1,xC+1
29acdb601548 BUGFIX: Increase timing tolerance for S8 HUD (cR only)
heinrichsweikamp
parents: 236
diff changeset
341 movff s8_rawdata_sensor1+0,xC+0
113
heinrichsweikamp
parents:
diff changeset
342 movlw LOW ad2mv_factor
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parents:
diff changeset
343 movwf xB+0
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parents:
diff changeset
344 movlw HIGH ad2mv_factor
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parents:
diff changeset
345 movwf xB+1
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parents:
diff changeset
346 call div32x16 ; xC:4 / xB:2 = xC+3:xC+2 with xC+1:xC+0 as remainder
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parents:
diff changeset
347 movff xC+1,o2_mv_sensor1+1
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parents:
diff changeset
348 movff xC+0,o2_mv_sensor1+0 ; in 100uV steps
heinrichsweikamp
parents:
diff changeset
349 ; Sensor 2
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parents:
diff changeset
350 clrf xC+3
268
29acdb601548 BUGFIX: Increase timing tolerance for S8 HUD (cR only)
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parents: 236
diff changeset
351 movff s8_rawdata_sensor2+2,xC+2
29acdb601548 BUGFIX: Increase timing tolerance for S8 HUD (cR only)
heinrichsweikamp
parents: 236
diff changeset
352 movff s8_rawdata_sensor2+1,xC+1
29acdb601548 BUGFIX: Increase timing tolerance for S8 HUD (cR only)
heinrichsweikamp
parents: 236
diff changeset
353 movff s8_rawdata_sensor2+0,xC+0
113
heinrichsweikamp
parents:
diff changeset
354 movlw LOW ad2mv_factor
heinrichsweikamp
parents:
diff changeset
355 movwf xB+0
heinrichsweikamp
parents:
diff changeset
356 movlw HIGH ad2mv_factor
heinrichsweikamp
parents:
diff changeset
357 movwf xB+1
heinrichsweikamp
parents:
diff changeset
358 call div32x16 ; xC:4 / xB:2 = xC+3:xC+2 with xC+1:xC+0 as remainder
heinrichsweikamp
parents:
diff changeset
359 movff xC+1,o2_mv_sensor2+1
heinrichsweikamp
parents:
diff changeset
360 movff xC+0,o2_mv_sensor2+0 ; in 100uV steps
heinrichsweikamp
parents:
diff changeset
361 ; Sensor 3
heinrichsweikamp
parents:
diff changeset
362 clrf xC+3
268
29acdb601548 BUGFIX: Increase timing tolerance for S8 HUD (cR only)
heinrichsweikamp
parents: 236
diff changeset
363 movff s8_rawdata_sensor3+2,xC+2
29acdb601548 BUGFIX: Increase timing tolerance for S8 HUD (cR only)
heinrichsweikamp
parents: 236
diff changeset
364 movff s8_rawdata_sensor3+1,xC+1
29acdb601548 BUGFIX: Increase timing tolerance for S8 HUD (cR only)
heinrichsweikamp
parents: 236
diff changeset
365 movff s8_rawdata_sensor3+0,xC+0
113
heinrichsweikamp
parents:
diff changeset
366 movlw LOW ad2mv_factor
heinrichsweikamp
parents:
diff changeset
367 movwf xB+0
heinrichsweikamp
parents:
diff changeset
368 movlw HIGH ad2mv_factor
heinrichsweikamp
parents:
diff changeset
369 movwf xB+1
heinrichsweikamp
parents:
diff changeset
370 call div32x16 ; xC:4 / xB:2 = xC+3:xC+2 with xC+1:xC+0 as remainder
heinrichsweikamp
parents:
diff changeset
371 movff xC+1,o2_mv_sensor3+1
heinrichsweikamp
parents:
diff changeset
372 movff xC+0,o2_mv_sensor3+0 ; in 100uV steps
heinrichsweikamp
parents:
diff changeset
373
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parents:
diff changeset
374 bcf new_s8_data_available ; Clear flag
heinrichsweikamp
parents:
diff changeset
375 return ; Done.
heinrichsweikamp
parents:
diff changeset
376
352
5c6da9fa5cb0 add setpoint change to first sample in CCR mode
heinrichsweikamp
parents: 275
diff changeset
377 global transmit_setpoint ; Transmit current setpoint from WREG (in cbar) to external electronics
5c6da9fa5cb0 add setpoint change to first sample in CCR mode
heinrichsweikamp
parents: 275
diff changeset
378 transmit_setpoint:
448
aadfe9f2edaf work on new battery options
heinrichsweikamp
parents: 352
diff changeset
379 return
352
5c6da9fa5cb0 add setpoint change to first sample in CCR mode
heinrichsweikamp
parents: 275
diff changeset
380 btfss s8_digital ; S8 Digital?
5c6da9fa5cb0 add setpoint change to first sample in CCR mode
heinrichsweikamp
parents: 275
diff changeset
381 return ; No, ignore
5c6da9fa5cb0 add setpoint change to first sample in CCR mode
heinrichsweikamp
parents: 275
diff changeset
382
5c6da9fa5cb0 add setpoint change to first sample in CCR mode
heinrichsweikamp
parents: 275
diff changeset
383 ; Yes, transmit setpoint from WREG
5c6da9fa5cb0 add setpoint change to first sample in CCR mode
heinrichsweikamp
parents: 275
diff changeset
384 movwf temp2 ; Store setpoint
5c6da9fa5cb0 add setpoint change to first sample in CCR mode
heinrichsweikamp
parents: 275
diff changeset
385 clrf temp1 ; Chksum
5c6da9fa5cb0 add setpoint change to first sample in CCR mode
heinrichsweikamp
parents: 275
diff changeset
386 movlw 0xAA ; Start Byte
5c6da9fa5cb0 add setpoint change to first sample in CCR mode
heinrichsweikamp
parents: 275
diff changeset
387 addwf temp1,F
5c6da9fa5cb0 add setpoint change to first sample in CCR mode
heinrichsweikamp
parents: 275
diff changeset
388 movff WREG,TXREG2
5c6da9fa5cb0 add setpoint change to first sample in CCR mode
heinrichsweikamp
parents: 275
diff changeset
389 call rs232_wait_tx2
5c6da9fa5cb0 add setpoint change to first sample in CCR mode
heinrichsweikamp
parents: 275
diff changeset
390
5c6da9fa5cb0 add setpoint change to first sample in CCR mode
heinrichsweikamp
parents: 275
diff changeset
391 movlw 0x60 ; New SP
5c6da9fa5cb0 add setpoint change to first sample in CCR mode
heinrichsweikamp
parents: 275
diff changeset
392 addwf temp1,F
5c6da9fa5cb0 add setpoint change to first sample in CCR mode
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393 movff WREG,TXREG2
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394 call rs232_wait_tx2
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395
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396 movff temp2,WREG ; SP in cbar
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397 addwf temp1,F
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398 movff WREG,TXREG2
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399 call rs232_wait_tx2
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400
448
aadfe9f2edaf work on new battery options
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401 movff temp1,TXREG2 ; Chksum
352
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402 call rs232_wait_tx2
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403 return
113
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404
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405
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406 END