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annotate src/isr.asm @ 278:dfac47ac2e1d

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BUGFIX: There was a 1:4096 chance that a portion of a dive was not stored correctly resulting in download issues
author heinrichsweikamp
date Mon, 18 May 2015 21:25:56 +0200
parents 653a3ab08062
children cf929551d31c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 ;=============================================================================
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2 ;
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3 ; File isr.asm
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4 ;
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5 ; INTERUPT subroutines
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6 ;
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7 ; Copyright (c) 2011, JD Gascuel, HeinrichsWeikamp, all right reserved.
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8 ;=============================================================================
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9 ; HISTORY
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10 ; 2011-05-24 : [jDG] Cleanups from initial Matthias code.
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11
275
653a3ab08062 rename into hwOS
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12 #include "hwos.inc"
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13 #include "shared_definitions.h" ; Mailbox from/to p2_deco.c
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14 #include "ms5541.inc"
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15 #include "adc_lightsensor.inc"
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16
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17 ;=============================================================================
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18
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19 extern start
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20
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21 isr_high CODE 0x0008 ;High Priority Interrups
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22 bra HighInt
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23 nop
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24 nop
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25 nop
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26 nop
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27 nop
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28 nop
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29 bra HighInt
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30
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31 isr_low CODE 0x00018 ;Low Priority Interrups
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32 ; *** low priority interrupts not used
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33 retfie FAST ; Restores BSR, STATUS and WREG
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34
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35 HighInt:
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36 movff PRODL,isr_prod+0
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37 movff PRODH,isr_prod+1
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38
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39 ; Buttons
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40 btfsc PIR1,TMR1IF ; Timer1 INT (Button hold-down Timer)
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41 rcall timer1int
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42 btfsc INTCON,INT0IF ; Buttons
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43 rcall isr_switch_right
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44 btfsc INTCON3,INT1IF ; Buttons
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45 rcall isr_switch_left
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46
187
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
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47 ; IR/S8-Link
113
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48 btfsc PIR3,RC2IF ; UART2
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49 rcall isr_uart2 ; IR/S8-Link
0
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50 btfsc PIR2,TMR3IF ; Timer 3
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51 rcall isr_timer3 ; IR-Link Timeout
113
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52
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53 ; Pressure sensor and others
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54 btfsc PIR5,TMR7IF ; Timer 7
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55 rcall isr_tmr7 ; Every 62,5ms
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56
0
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57 ; RTCC
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58 btfsc PIR3,RTCCIF ; Real-time-clock interrupt
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59 rcall isr_rtcc ; May return in bank common!
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60
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61 movff isr_prod+1,PRODH
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62 movff isr_prod+0,PRODL
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63 retfie FAST ; Restores BSR, STATUS and WREG
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64
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65 ;=============================================================================
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66
187
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67 isr_uart2: ; IR/S8-Link
0
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68 banksel RCREG2
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69 movf RCREG2,W
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70 bcf RCSTA2,CREN ; Clear receiver status
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71 bsf RCSTA2,CREN
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72 banksel isr_backup
187
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
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73 incf ir_s8_counter,F ; Increase counter
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74 movff ir_s8_counter,isr1_temp ; Copy
0
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75 dcfsnz isr1_temp,F
204
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76 movwf ir_s8_buffer+.0
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77 dcfsnz isr1_temp,F
204
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78 movwf ir_s8_buffer+.1
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79 dcfsnz isr1_temp,F
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80 movwf ir_s8_buffer+.2
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81 dcfsnz isr1_temp,F
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82 movwf ir_s8_buffer+.3
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83 dcfsnz isr1_temp,F
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84 movwf ir_s8_buffer+.4
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85 dcfsnz isr1_temp,F
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86 movwf ir_s8_buffer+.5
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87 dcfsnz isr1_temp,F
204
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88 movwf ir_s8_buffer+.6
0
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89 dcfsnz isr1_temp,F
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90 movwf ir_s8_buffer+.7
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91 dcfsnz isr1_temp,F
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92 movwf ir_s8_buffer+.8
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93 dcfsnz isr1_temp,F
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94 movwf ir_s8_buffer+.9
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95 dcfsnz isr1_temp,F
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96 movwf ir_s8_buffer+.10
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97 dcfsnz isr1_temp,F
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98 movwf ir_s8_buffer+.11
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99 dcfsnz isr1_temp,F
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100 movwf ir_s8_buffer+.12
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101 dcfsnz isr1_temp,F
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102 movwf ir_s8_buffer+.13
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103 dcfsnz isr1_temp,F
204
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104 movwf ir_s8_buffer+.14
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105 dcfsnz isr1_temp,F
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106 movwf ir_s8_buffer+.15
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107 dcfsnz isr1_temp,F
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108 movwf ir_s8_buffer+.16
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109 dcfsnz isr1_temp,F
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110 movwf ir_s8_buffer+.17
113
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111
0
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112 clrf TMR3L ; Preload timer
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113 movlw .253
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114 movwf TMR3H
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115 bsf T3CON,TMR3ON ; (Re)Start Timeout counter
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116 return
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117
187
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
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118 isr_timer3: ; IR/S8-Link Timeout
0
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119 bcf T3CON,TMR3ON ; Stop Timer3
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120 banksel isr_backup ; Select Bank0 for ISR data.
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121 movlw .15
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122 cpfseq ir_s8_counter ; Got exact 15bytes?
0
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123 bra isr_timer3_1 ; No, test for 16bytes
113
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124 bra isr_timer3_ir ; Got 15 bytes, compute local checksum
0
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125 isr_timer3_1:
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126 movlw .16
187
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
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127 cpfseq ir_s8_counter ; Got exact 16bytes?
113
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128 bra isr_timer3_2 ; No, test for 17bytes
187
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
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129 tstfsz ir_s8_buffer+.15 ; Last byte=0x00
0
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130 bra isr_timer3_exit ; No, exit
113
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131 bra isr_timer3_ir ; Got 16 bytes, compute local checksum
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132 isr_timer3_2:
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133 movlw .17
187
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134 cpfseq ir_s8_counter ; Got exact 17bytes?
113
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135 bra isr_timer3_exit ; No, exit
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136 bra isr_timer3_s8 ; S8 data
0
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137
113
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138 isr_timer3_ir: ; IR input
187
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
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139 movff ir_s8_buffer+.0,PRODL
0
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140 clrf PRODH
187
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141 movf ir_s8_buffer+.1,W
0
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142 rcall isr_timer3_checksum
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143 movf ir_s8_buffer+.2,W
0
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144 rcall isr_timer3_checksum
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145 movf ir_s8_buffer+.3,W
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146 rcall isr_timer3_checksum
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147 movf ir_s8_buffer+.4,W
0
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148 rcall isr_timer3_checksum
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149 movf ir_s8_buffer+.5,W
0
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150 rcall isr_timer3_checksum
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151 movf ir_s8_buffer+.6,W
0
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152 rcall isr_timer3_checksum
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153 movf ir_s8_buffer+.7,W
0
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154 rcall isr_timer3_checksum
187
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155 movf ir_s8_buffer+.8,W
0
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156 rcall isr_timer3_checksum
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157 movf ir_s8_buffer+.9,W
0
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158 rcall isr_timer3_checksum
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159 movf ir_s8_buffer+.10,W
0
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160 rcall isr_timer3_checksum
187
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161 movf ir_s8_buffer+.11,W
0
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162 rcall isr_timer3_checksum
187
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
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163 movf ir_s8_buffer+.12,W
0
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164 rcall isr_timer3_checksum
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165
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166 ; Compare checksum
187
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167 movf ir_s8_buffer+.13,W
0
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168 cpfseq PRODL ; Checksum ok?
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169 bra isr_timer3_exit ; No, exit
187
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
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170 movf ir_s8_buffer+.14,W
0
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171 cpfseq PRODH ; Checksum ok?
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172 bra isr_timer3_exit ; No, exit
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173
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174 ; Checksum OK, copy results
187
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175 movff ir_s8_buffer+.1,hud_status_byte
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
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176 movff ir_s8_buffer+.2,o2_mv_sensor1+0
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
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177 movff ir_s8_buffer+.3,o2_mv_sensor1+1
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
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178 movff ir_s8_buffer+.4,o2_mv_sensor2+0
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
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179 movff ir_s8_buffer+.5,o2_mv_sensor2+1
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
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180 movff ir_s8_buffer+.6,o2_mv_sensor3+0
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
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181 movff ir_s8_buffer+.7,o2_mv_sensor3+1
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
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parents: 178
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182 movff ir_s8_buffer+.8,o2_ppo2_sensor1
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
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parents: 178
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183 movff ir_s8_buffer+.9,o2_ppo2_sensor2
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
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parents: 178
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184 movff ir_s8_buffer+.10,o2_ppo2_sensor3
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
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parents: 178
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185 movff ir_s8_buffer+.11,hud_battery_mv+0
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
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parents: 178
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186 movff ir_s8_buffer+.12,hud_battery_mv+1
0
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187
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188 movlw ir_timeout_value ; multiples of 62,5ms
187
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
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parents: 178
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189 movwf ir_S8_timeout ; Reload timeout
227
03946aa48fa5 NEW: Support for hwHUD without the LED module
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parents: 204
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190
03946aa48fa5 NEW: Support for hwHUD without the LED module
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parents: 204
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191 banksel hud_status_byte
03946aa48fa5 NEW: Support for hwHUD without the LED module
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parents: 204
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192 bsf hud_connection_ok ; Set manually for hwHUD w/o the HUD module...
03946aa48fa5 NEW: Support for hwHUD without the LED module
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parents: 204
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193 banksel isr_backup ; Select Bank0 for ISR data.
0
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194
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195 isr_timer3_exit:
187
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
heinrichsweikamp
parents: 178
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196 clrf ir_s8_counter ; Clear pointer
0
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197 bcf PIR2,TMR3IF ; Clear flag
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198 return
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199
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200 isr_timer3_checksum:
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201 addwf PRODL,F
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202 movlw .0
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203 addwfc PRODH,F
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204 return
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205
187
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
heinrichsweikamp
parents: 178
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206 isr_timer3_s8: ; S8 input
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
heinrichsweikamp
parents: 178
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207 movff ir_s8_buffer+.0,PRODL
113
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parents: 50
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208 clrf PRODH
187
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
heinrichsweikamp
parents: 178
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209 movf ir_s8_buffer+.1,W
113
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parents: 50
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210 rcall isr_timer3_checksum
187
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
heinrichsweikamp
parents: 178
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211 movf ir_s8_buffer+.2,W
113
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parents: 50
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212 rcall isr_timer3_checksum
187
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
heinrichsweikamp
parents: 178
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213 movf ir_s8_buffer+.3,W
113
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parents: 50
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214 rcall isr_timer3_checksum
187
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
heinrichsweikamp
parents: 178
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215 movf ir_s8_buffer+.4,W
113
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parents: 50
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216 rcall isr_timer3_checksum
187
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
heinrichsweikamp
parents: 178
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217 movf ir_s8_buffer+.5,W
113
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218 rcall isr_timer3_checksum
187
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
heinrichsweikamp
parents: 178
diff changeset
219 movf ir_s8_buffer+.6,W
113
heinrichsweikamp
parents: 50
diff changeset
220 rcall isr_timer3_checksum
187
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
heinrichsweikamp
parents: 178
diff changeset
221 movf ir_s8_buffer+.7,W
113
heinrichsweikamp
parents: 50
diff changeset
222 rcall isr_timer3_checksum
187
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
heinrichsweikamp
parents: 178
diff changeset
223 movf ir_s8_buffer+.8,W
113
heinrichsweikamp
parents: 50
diff changeset
224 rcall isr_timer3_checksum
187
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
heinrichsweikamp
parents: 178
diff changeset
225 movf ir_s8_buffer+.9,W
113
heinrichsweikamp
parents: 50
diff changeset
226 rcall isr_timer3_checksum
187
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
heinrichsweikamp
parents: 178
diff changeset
227 movf ir_s8_buffer+.10,W
113
heinrichsweikamp
parents: 50
diff changeset
228 rcall isr_timer3_checksum
187
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
heinrichsweikamp
parents: 178
diff changeset
229 movf ir_s8_buffer+.11,W
113
heinrichsweikamp
parents: 50
diff changeset
230 rcall isr_timer3_checksum
187
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
heinrichsweikamp
parents: 178
diff changeset
231 movf ir_s8_buffer+.12,W
113
heinrichsweikamp
parents: 50
diff changeset
232 rcall isr_timer3_checksum
187
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
heinrichsweikamp
parents: 178
diff changeset
233 movf ir_s8_buffer+.13,W
113
heinrichsweikamp
parents: 50
diff changeset
234 rcall isr_timer3_checksum
187
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
heinrichsweikamp
parents: 178
diff changeset
235 movf ir_s8_buffer+.14,W
113
heinrichsweikamp
parents: 50
diff changeset
236 rcall isr_timer3_checksum
heinrichsweikamp
parents: 50
diff changeset
237
heinrichsweikamp
parents: 50
diff changeset
238 ; Compare checksum
187
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
heinrichsweikamp
parents: 178
diff changeset
239 movf ir_s8_buffer+.15,W
113
heinrichsweikamp
parents: 50
diff changeset
240 cpfseq PRODL ; Checksum ok?
heinrichsweikamp
parents: 50
diff changeset
241 bra isr_timer3_exit ; No, exit
187
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
heinrichsweikamp
parents: 178
diff changeset
242 movf ir_s8_buffer+.16,W
113
heinrichsweikamp
parents: 50
diff changeset
243 cpfseq PRODH ; Checksum ok?
heinrichsweikamp
parents: 50
diff changeset
244 bra isr_timer3_exit ; No, exit
heinrichsweikamp
parents: 50
diff changeset
245
heinrichsweikamp
parents: 50
diff changeset
246 ; Checksum OK, copy results
187
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
heinrichsweikamp
parents: 178
diff changeset
247 movff ir_s8_buffer+.3,hud_status_byte
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
heinrichsweikamp
parents: 178
diff changeset
248 movff ir_s8_buffer+.13,hud_battery_mv+0
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
heinrichsweikamp
parents: 178
diff changeset
249 movff ir_s8_buffer+.14,hud_battery_mv+1
113
heinrichsweikamp
parents: 50
diff changeset
250
heinrichsweikamp
parents: 50
diff changeset
251 banksel common
271
d316d44530a3 Update digital ppO2 data automatically
heinrichsweikamp
parents: 268
diff changeset
252 btfsc new_s8_data_available ; =1: Old data already processed?
268
29acdb601548 BUGFIX: Increase timing tolerance for S8 HUD (cR only)
heinrichsweikamp
parents: 236
diff changeset
253 bra isr_timer3_skip ; No, skip copying new results
113
heinrichsweikamp
parents: 50
diff changeset
254
268
29acdb601548 BUGFIX: Increase timing tolerance for S8 HUD (cR only)
heinrichsweikamp
parents: 236
diff changeset
255 movff ir_s8_buffer+.6,s8_rawdata_sensor1+2
29acdb601548 BUGFIX: Increase timing tolerance for S8 HUD (cR only)
heinrichsweikamp
parents: 236
diff changeset
256 movff ir_s8_buffer+.5,s8_rawdata_sensor1+1
29acdb601548 BUGFIX: Increase timing tolerance for S8 HUD (cR only)
heinrichsweikamp
parents: 236
diff changeset
257 movff ir_s8_buffer+.4,s8_rawdata_sensor1+0
29acdb601548 BUGFIX: Increase timing tolerance for S8 HUD (cR only)
heinrichsweikamp
parents: 236
diff changeset
258 movff ir_s8_buffer+.9,s8_rawdata_sensor2+2
29acdb601548 BUGFIX: Increase timing tolerance for S8 HUD (cR only)
heinrichsweikamp
parents: 236
diff changeset
259 movff ir_s8_buffer+.8,s8_rawdata_sensor2+1
29acdb601548 BUGFIX: Increase timing tolerance for S8 HUD (cR only)
heinrichsweikamp
parents: 236
diff changeset
260 movff ir_s8_buffer+.7,s8_rawdata_sensor2+0
29acdb601548 BUGFIX: Increase timing tolerance for S8 HUD (cR only)
heinrichsweikamp
parents: 236
diff changeset
261 movff ir_s8_buffer+.12,s8_rawdata_sensor3+2
29acdb601548 BUGFIX: Increase timing tolerance for S8 HUD (cR only)
heinrichsweikamp
parents: 236
diff changeset
262 movff ir_s8_buffer+.11,s8_rawdata_sensor3+1
29acdb601548 BUGFIX: Increase timing tolerance for S8 HUD (cR only)
heinrichsweikamp
parents: 236
diff changeset
263 movff ir_s8_buffer+.10,s8_rawdata_sensor3+0
29acdb601548 BUGFIX: Increase timing tolerance for S8 HUD (cR only)
heinrichsweikamp
parents: 236
diff changeset
264 banksel common
29acdb601548 BUGFIX: Increase timing tolerance for S8 HUD (cR only)
heinrichsweikamp
parents: 236
diff changeset
265 bsf new_s8_data_available ; set flag
29acdb601548 BUGFIX: Increase timing tolerance for S8 HUD (cR only)
heinrichsweikamp
parents: 236
diff changeset
266
29acdb601548 BUGFIX: Increase timing tolerance for S8 HUD (cR only)
heinrichsweikamp
parents: 236
diff changeset
267 isr_timer3_skip:
29acdb601548 BUGFIX: Increase timing tolerance for S8 HUD (cR only)
heinrichsweikamp
parents: 236
diff changeset
268 banksel ir_S8_timeout
113
heinrichsweikamp
parents: 50
diff changeset
269 movlw ir_timeout_value ; multiples of 62,5ms
268
29acdb601548 BUGFIX: Increase timing tolerance for S8 HUD (cR only)
heinrichsweikamp
parents: 236
diff changeset
270 movwf ir_S8_timeout ; Reload timeout
113
heinrichsweikamp
parents: 50
diff changeset
271 bra isr_timer3_exit ; Exit
heinrichsweikamp
parents: 50
diff changeset
272
heinrichsweikamp
parents: 50
diff changeset
273
0
heinrichsweikamp
parents:
diff changeset
274 ;=============================================================================
heinrichsweikamp
parents:
diff changeset
275
heinrichsweikamp
parents:
diff changeset
276 isr_tmr7: ; each 62,5ms
heinrichsweikamp
parents:
diff changeset
277 bcf PIR5,TMR7IF ; clear flag
heinrichsweikamp
parents:
diff changeset
278 banksel 0xF16 ; Addresses, F16h through F5Fh, are also used by SFRs, but are not part of the Access RAM.
heinrichsweikamp
parents:
diff changeset
279 movlw .248
heinrichsweikamp
parents:
diff changeset
280 movwf TMR7H ; -> Rollover after 2048 cycles -> 62,5ms
heinrichsweikamp
parents:
diff changeset
281
heinrichsweikamp
parents:
diff changeset
282 banksel isr_backup
heinrichsweikamp
parents:
diff changeset
283 movf max_CCPR1L,W ; Dimm value
heinrichsweikamp
parents:
diff changeset
284 cpfseq CCPR1L ; = current PWM value?
heinrichsweikamp
parents:
diff changeset
285 rcall isr_dimm_tft ; No, adjust until max_CCPR1L=CCPR1L !
heinrichsweikamp
parents:
diff changeset
286
heinrichsweikamp
parents:
diff changeset
287 banksel isr_backup
187
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
heinrichsweikamp
parents: 178
diff changeset
288 decfsz ir_S8_timeout,F ; IR Data still valid?
0
heinrichsweikamp
parents:
diff changeset
289 bra isr_tmr7_2 ; Yes, continue
heinrichsweikamp
parents:
diff changeset
290 ; timeout, clear IR-Data
heinrichsweikamp
parents:
diff changeset
291
heinrichsweikamp
parents:
diff changeset
292 movlw ir_timeout_value ; multiples of 62,5ms
187
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
heinrichsweikamp
parents: 178
diff changeset
293 movwf ir_S8_timeout ; Reload timeout
0
heinrichsweikamp
parents:
diff changeset
294
heinrichsweikamp
parents:
diff changeset
295 banksel common
236
e2ea74646127 configure hardware_flag byte
heinrichsweikamp
parents: 235
diff changeset
296 btfss analog_o2_input
113
heinrichsweikamp
parents: 50
diff changeset
297 bra isr_tmr7_1a ; Always with normal ostc3 hardware
heinrichsweikamp
parents: 50
diff changeset
298 btfss s8_digital
heinrichsweikamp
parents: 50
diff changeset
299 bra isr_tmr7_2 ; only when digital
heinrichsweikamp
parents: 50
diff changeset
300 isr_tmr7_1a:
0
heinrichsweikamp
parents:
diff changeset
301 clrf o2_mv_sensor1+0
heinrichsweikamp
parents:
diff changeset
302 clrf o2_mv_sensor1+1
heinrichsweikamp
parents:
diff changeset
303 clrf o2_mv_sensor2+0
heinrichsweikamp
parents:
diff changeset
304 clrf o2_mv_sensor2+1
heinrichsweikamp
parents:
diff changeset
305 clrf o2_mv_sensor3+0
heinrichsweikamp
parents:
diff changeset
306 clrf o2_mv_sensor3+1
heinrichsweikamp
parents:
diff changeset
307 clrf hud_battery_mv+0
heinrichsweikamp
parents:
diff changeset
308 clrf hud_battery_mv+1
heinrichsweikamp
parents:
diff changeset
309 clrf hud_status_byte
heinrichsweikamp
parents:
diff changeset
310 clrf o2_ppo2_sensor1
heinrichsweikamp
parents:
diff changeset
311 clrf o2_ppo2_sensor2
heinrichsweikamp
parents:
diff changeset
312 clrf o2_ppo2_sensor3
heinrichsweikamp
parents:
diff changeset
313
heinrichsweikamp
parents:
diff changeset
314 isr_tmr7_2:
heinrichsweikamp
parents:
diff changeset
315 banksel common
heinrichsweikamp
parents:
diff changeset
316 btfss no_sensor_int ; No sensor interrupt (because it's addressed during sleep)
heinrichsweikamp
parents:
diff changeset
317 bra isr_sensor_state2 ; No, continue
heinrichsweikamp
parents:
diff changeset
318 banksel isr_backup ; Back to Bank0 ISR data
heinrichsweikamp
parents:
diff changeset
319 return
heinrichsweikamp
parents:
diff changeset
320
heinrichsweikamp
parents:
diff changeset
321 isr_set_speed_to_normal:
heinrichsweikamp
parents:
diff changeset
322 ; Set Speed to normal
heinrichsweikamp
parents:
diff changeset
323 movlw b'01110010'
heinrichsweikamp
parents:
diff changeset
324 movwf OSCCON ; 16MHz INTOSC
heinrichsweikamp
parents:
diff changeset
325 movlw b'00000000'
heinrichsweikamp
parents:
diff changeset
326 movwf OSCTUNE ; 4x PLL Disable (Bit6) - only works with 8 or 16MHz (=32 or 64MHz)
heinrichsweikamp
parents:
diff changeset
327 movlw b'00001101' ; 1:2 Postscaler, 1:4 Prescaler, Timer 2 start -> 1960Hz (no-flicker)
heinrichsweikamp
parents:
diff changeset
328 movwf T2CON
heinrichsweikamp
parents:
diff changeset
329 btfss OSCCON,HFIOFS
heinrichsweikamp
parents:
diff changeset
330 bra $-2 ; Wait until clock is stable
heinrichsweikamp
parents:
diff changeset
331 return
heinrichsweikamp
parents:
diff changeset
332
heinrichsweikamp
parents:
diff changeset
333 isr_sensor_state2:
heinrichsweikamp
parents:
diff changeset
334 banksel common
heinrichsweikamp
parents:
diff changeset
335 movff sensor_state_counter,WREG
heinrichsweikamp
parents:
diff changeset
336 btfss WREG,0 ; every 1/4 second
heinrichsweikamp
parents:
diff changeset
337 bsf quarter_second_update ; Set flag
heinrichsweikamp
parents:
diff changeset
338 movlw d'2'
heinrichsweikamp
parents:
diff changeset
339 cpfseq speed_setting ; Set to normal in case it's not already in normal speed mode
heinrichsweikamp
parents:
diff changeset
340 rcall isr_set_speed_to_normal
heinrichsweikamp
parents:
diff changeset
341 banksel isr_backup ; Back to Bank0 ISR data
heinrichsweikamp
parents:
diff changeset
342
heinrichsweikamp
parents:
diff changeset
343 incf sensor_state_counter,F ; counts to eight for state maschine
heinrichsweikamp
parents:
diff changeset
344
heinrichsweikamp
parents:
diff changeset
345 ; State 1: Clear flags and average registers, get temperature (51us) and start pressure integration (73,5us)
heinrichsweikamp
parents:
diff changeset
346 ; State 2: Get pressure (51us), start temperature integration (73,5us) and calculate temperature compensated pressure (233us)
heinrichsweikamp
parents:
diff changeset
347 ; State 3: Get temperature (51us) and start pressure integration (73,5us)
heinrichsweikamp
parents:
diff changeset
348 ; State 4: Get pressure (51us), start temperature integration (73,5us) and calculate temperature compensated pressure (233us)
heinrichsweikamp
parents:
diff changeset
349 ; State 5: Get temperature (51us) and start pressure integration (73,5us)
heinrichsweikamp
parents:
diff changeset
350 ; State 6: Get pressure (51us), start temperature integration (73,5us) and calculate temperature compensated pressure (233us)
heinrichsweikamp
parents:
diff changeset
351 ; State 7: Get temperature (51us) and start pressure integration (73,5us)
heinrichsweikamp
parents:
diff changeset
352 ; 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
heinrichsweikamp
parents:
diff changeset
353
heinrichsweikamp
parents:
diff changeset
354 movff sensor_state_counter,WREG ; WREG used as temp here...
heinrichsweikamp
parents:
diff changeset
355 dcfsnz WREG,F
heinrichsweikamp
parents:
diff changeset
356 bra sensor_int_state1_plus_restart ; Do State 1
heinrichsweikamp
parents:
diff changeset
357 dcfsnz WREG,F
heinrichsweikamp
parents:
diff changeset
358 bra sensor_int_state2 ; Do State 2
heinrichsweikamp
parents:
diff changeset
359 dcfsnz WREG,F
heinrichsweikamp
parents:
diff changeset
360 bra sensor_int_state1 ; Do State 3
heinrichsweikamp
parents:
diff changeset
361 dcfsnz WREG,F
heinrichsweikamp
parents:
diff changeset
362 bra sensor_int_state2 ; Do State 4
heinrichsweikamp
parents:
diff changeset
363 dcfsnz WREG,F
heinrichsweikamp
parents:
diff changeset
364 bra sensor_int_state1 ; Do State 5
heinrichsweikamp
parents:
diff changeset
365 dcfsnz WREG,F
heinrichsweikamp
parents:
diff changeset
366 bra sensor_int_state2 ; Do State 6
heinrichsweikamp
parents:
diff changeset
367 dcfsnz WREG,F
heinrichsweikamp
parents:
diff changeset
368 bra sensor_int_state1 ; Do State 7
heinrichsweikamp
parents:
diff changeset
369 ; bra sensor_int2_plus_average ; Do State 8
heinrichsweikamp
parents:
diff changeset
370 ;sensor_int2_plus_average:
heinrichsweikamp
parents:
diff changeset
371 ; First, do state2:
heinrichsweikamp
parents:
diff changeset
372 call get_pressure_value ; State2: Get pressure (51us)
heinrichsweikamp
parents:
diff changeset
373 call get_temperature_start ; and start temperature integration (73,5us)
heinrichsweikamp
parents:
diff changeset
374 call calculate_compensation ; calculate temperature compensated pressure (27us)
heinrichsweikamp
parents:
diff changeset
375 ; Build average
heinrichsweikamp
parents:
diff changeset
376 bcf STATUS,C ; clear carry bit.
heinrichsweikamp
parents:
diff changeset
377 rrcf amb_pressure_avg+1 ; amb_pressure sum / 2
heinrichsweikamp
parents:
diff changeset
378 rrcf amb_pressure_avg+0
heinrichsweikamp
parents:
diff changeset
379 bcf STATUS,C ; clear carry bit, twice.
heinrichsweikamp
parents:
diff changeset
380 rrcf amb_pressure_avg+1 ; amb_pressure sum / 4
heinrichsweikamp
parents:
diff changeset
381 rrcf amb_pressure_avg+0
heinrichsweikamp
parents:
diff changeset
382
heinrichsweikamp
parents:
diff changeset
383 movff amb_pressure_avg+1,amb_pressure+1 ; copy into actual register
heinrichsweikamp
parents:
diff changeset
384 movff amb_pressure_avg+0,amb_pressure+0
heinrichsweikamp
parents:
diff changeset
385
heinrichsweikamp
parents:
diff changeset
386 bcf STATUS,C
heinrichsweikamp
parents:
diff changeset
387 btfsc temperature_avg+1,7 ; Copy sign bit to carry
heinrichsweikamp
parents:
diff changeset
388 bsf STATUS,C
heinrichsweikamp
parents:
diff changeset
389 rrcf temperature_avg+1 ; Signed temperature /2
heinrichsweikamp
parents:
diff changeset
390 rrcf temperature_avg+0
heinrichsweikamp
parents:
diff changeset
391 bcf STATUS,C
heinrichsweikamp
parents:
diff changeset
392 btfsc temperature_avg+1,7 ; Copy sign bit to carry
heinrichsweikamp
parents:
diff changeset
393 bsf STATUS,C
heinrichsweikamp
parents:
diff changeset
394 rrcf temperature_avg+1 ; Signed temperature /4
heinrichsweikamp
parents:
diff changeset
395 rrcf temperature_avg+0
heinrichsweikamp
parents:
diff changeset
396
heinrichsweikamp
parents:
diff changeset
397 movff temperature_avg+1,temperature+1 ; copy into actual register
heinrichsweikamp
parents:
diff changeset
398 movff temperature_avg+0,temperature+0
heinrichsweikamp
parents:
diff changeset
399
heinrichsweikamp
parents:
diff changeset
400 banksel common ; flag1 is in Bank1
heinrichsweikamp
parents:
diff changeset
401 bcf temp_changed ; Clear flag for temperature update
heinrichsweikamp
parents:
diff changeset
402 bcf pressure_refresh ; Clear flag for pressure update
heinrichsweikamp
parents:
diff changeset
403 banksel isr_backup ; Back to Bank0 ISR data
heinrichsweikamp
parents:
diff changeset
404
heinrichsweikamp
parents:
diff changeset
405 ; Temp changed?
heinrichsweikamp
parents:
diff changeset
406 movf temperature+0,W
heinrichsweikamp
parents:
diff changeset
407 cpfseq last_temperature+0
heinrichsweikamp
parents:
diff changeset
408 bra isr_sensor_state2_2 ; Yes
heinrichsweikamp
parents:
diff changeset
409 movf temperature+1,W
heinrichsweikamp
parents:
diff changeset
410 cpfseq last_temperature+1
heinrichsweikamp
parents:
diff changeset
411 bra isr_sensor_state2_2 ; Yes
heinrichsweikamp
parents:
diff changeset
412
heinrichsweikamp
parents:
diff changeset
413 bra isr_sensor_state2_3 ; no change
heinrichsweikamp
parents:
diff changeset
414
heinrichsweikamp
parents:
diff changeset
415 isr_sensor_state2_2:
heinrichsweikamp
parents:
diff changeset
416 banksel common ; flag1 is in Bank1
heinrichsweikamp
parents:
diff changeset
417 bsf temp_changed ; Yes
heinrichsweikamp
parents:
diff changeset
418 banksel isr_backup ; Back to Bank0 ISR data
heinrichsweikamp
parents:
diff changeset
419 isr_sensor_state2_3:
heinrichsweikamp
parents:
diff changeset
420 movff temperature+0,last_temperature+0 ; Copy for compare
heinrichsweikamp
parents:
diff changeset
421 movff temperature+1,last_temperature+1
heinrichsweikamp
parents:
diff changeset
422
heinrichsweikamp
parents:
diff changeset
423 movf amb_pressure+0,W
heinrichsweikamp
parents:
diff changeset
424 cpfseq last_pressure+0
heinrichsweikamp
parents:
diff changeset
425 bra isr_sensor_state2_4 ; Yes
heinrichsweikamp
parents:
diff changeset
426 movf amb_pressure+1,W
heinrichsweikamp
parents:
diff changeset
427 cpfseq last_pressure+1
heinrichsweikamp
parents:
diff changeset
428 bra isr_sensor_state2_4 ; Yes
heinrichsweikamp
parents:
diff changeset
429
heinrichsweikamp
parents:
diff changeset
430 bra isr_sensor_state2_5 ; No change
heinrichsweikamp
parents:
diff changeset
431 isr_sensor_state2_4:
heinrichsweikamp
parents:
diff changeset
432 banksel common ; flag1 is in Bank1
heinrichsweikamp
parents:
diff changeset
433 bsf pressure_refresh ; Yes
heinrichsweikamp
parents:
diff changeset
434 banksel isr_backup ; Back to Bank0 ISR data
heinrichsweikamp
parents:
diff changeset
435 isr_sensor_state2_5:
heinrichsweikamp
parents:
diff changeset
436 movff amb_pressure+0,last_pressure+0 ; Copy for compare
heinrichsweikamp
parents:
diff changeset
437 movff amb_pressure+1,last_pressure+1
heinrichsweikamp
parents:
diff changeset
438
heinrichsweikamp
parents:
diff changeset
439 clrf sensor_state_counter ; Then reset State counter
176
3fdafedc24af surface pressure copy in simulator
heinrichsweikamp
parents: 172
diff changeset
440 banksel common ; flag2 is in Bank1
0
heinrichsweikamp
parents:
diff changeset
441 btfss simulatormode_active ; are we in simulator mode?
heinrichsweikamp
parents:
diff changeset
442 bra comp_air_pressure ; no
176
3fdafedc24af surface pressure copy in simulator
heinrichsweikamp
parents: 172
diff changeset
443 ; Always set pressure_refresh flag in simulator mode
3fdafedc24af surface pressure copy in simulator
heinrichsweikamp
parents: 172
diff changeset
444 bsf pressure_refresh ; Yes
3fdafedc24af surface pressure copy in simulator
heinrichsweikamp
parents: 172
diff changeset
445 banksel isr_backup ; Back to Bank0 ISR data
0
heinrichsweikamp
parents:
diff changeset
446 movlw LOW d'1000' ; yes, so simulate 1000mbar surface pressure
heinrichsweikamp
parents:
diff changeset
447 movwf last_surfpressure+0
heinrichsweikamp
parents:
diff changeset
448 movlw HIGH d'1000'
heinrichsweikamp
parents:
diff changeset
449 movwf last_surfpressure+1
heinrichsweikamp
parents:
diff changeset
450
heinrichsweikamp
parents:
diff changeset
451 comp_air_pressure:
176
3fdafedc24af surface pressure copy in simulator
heinrichsweikamp
parents: 172
diff changeset
452 banksel isr_backup ; Back to Bank0 ISR data
0
heinrichsweikamp
parents:
diff changeset
453 movf last_surfpressure+0,W ; compensate airpressure
heinrichsweikamp
parents:
diff changeset
454 subwf amb_pressure+0,W
heinrichsweikamp
parents:
diff changeset
455 movwf rel_pressure+0 ; rel_pressure stores depth!
heinrichsweikamp
parents:
diff changeset
456
heinrichsweikamp
parents:
diff changeset
457 movf last_surfpressure+1,W
heinrichsweikamp
parents:
diff changeset
458 subwfb amb_pressure+1,W
heinrichsweikamp
parents:
diff changeset
459 movwf rel_pressure+1
heinrichsweikamp
parents:
diff changeset
460 btfss STATUS,N ; result is below zero?
heinrichsweikamp
parents:
diff changeset
461 bra sensor_int_state_exit
heinrichsweikamp
parents:
diff changeset
462 clrf rel_pressure+0 ; Yes, do not display negative depths
heinrichsweikamp
parents:
diff changeset
463 clrf rel_pressure+1 ; e.g. when surface air pressure dropped during the dive
heinrichsweikamp
parents:
diff changeset
464 bra sensor_int_state_exit
heinrichsweikamp
parents:
diff changeset
465
heinrichsweikamp
parents:
diff changeset
466 sensor_int_state1_plus_restart:
heinrichsweikamp
parents:
diff changeset
467 clrf amb_pressure_avg+0 ; pressure average registers
heinrichsweikamp
parents:
diff changeset
468 clrf amb_pressure_avg+1
heinrichsweikamp
parents:
diff changeset
469 clrf temperature_avg+0
heinrichsweikamp
parents:
diff changeset
470 clrf temperature_avg+1
heinrichsweikamp
parents:
diff changeset
471
heinrichsweikamp
parents:
diff changeset
472 sensor_int_state1:
heinrichsweikamp
parents:
diff changeset
473 call get_temperature_value ; State 1: Get temperature
heinrichsweikamp
parents:
diff changeset
474 call get_pressure_start ; and start pressure integration.
heinrichsweikamp
parents:
diff changeset
475 bra sensor_int_state_exit
heinrichsweikamp
parents:
diff changeset
476
heinrichsweikamp
parents:
diff changeset
477 sensor_int_state2:
heinrichsweikamp
parents:
diff changeset
478 call get_pressure_value ; State2: Get pressure (51us)
heinrichsweikamp
parents:
diff changeset
479 call get_temperature_start ; and start temperature integration (73,5us)
heinrichsweikamp
parents:
diff changeset
480 call calculate_compensation ; calculate temperature compensated pressure (233us)
heinrichsweikamp
parents:
diff changeset
481 ; bra sensor_int_state_exit
heinrichsweikamp
parents:
diff changeset
482 sensor_int_state_exit:
heinrichsweikamp
parents:
diff changeset
483 rcall isr_restore_clock ; Restore clock
heinrichsweikamp
parents:
diff changeset
484 return
heinrichsweikamp
parents:
diff changeset
485 ;=============================================================================
heinrichsweikamp
parents:
diff changeset
486
heinrichsweikamp
parents:
diff changeset
487 isr_dimm_tft: ; Adjust until max_CCPR1L=CCPR1L !
heinrichsweikamp
parents:
diff changeset
488 banksel common
heinrichsweikamp
parents:
diff changeset
489 btfsc tft_is_dimming ; Ignore while dimming
heinrichsweikamp
parents:
diff changeset
490 return
heinrichsweikamp
parents:
diff changeset
491 banksel isr_backup
heinrichsweikamp
parents:
diff changeset
492 movf max_CCPR1L,W
heinrichsweikamp
parents:
diff changeset
493 cpfsgt CCPR1L ; CCPR1L>max_CCPR1L?
heinrichsweikamp
parents:
diff changeset
494 bra isr_dimm_tft2 ; No, dimm up
heinrichsweikamp
parents:
diff changeset
495 ; dimm down
heinrichsweikamp
parents:
diff changeset
496 decf CCPR1L,F ; -1
heinrichsweikamp
parents:
diff changeset
497 return
heinrichsweikamp
parents:
diff changeset
498 isr_dimm_tft2:
heinrichsweikamp
parents:
diff changeset
499 movf max_CCPR1L,W
31
53a09c1b7410 BUGFIX: alternating brightness at very low ambient light
heinrichsweikamp
parents: 30
diff changeset
500 sublw ambient_light_min_eco
53a09c1b7410 BUGFIX: alternating brightness at very low ambient light
heinrichsweikamp
parents: 30
diff changeset
501 cpfsgt CCPR1L ; CCPR1L>max_CCPR1L-ambient_light_min_eco?
0
heinrichsweikamp
parents:
diff changeset
502 bra isr_dimm_tft3 ; No, dimm up slow
heinrichsweikamp
parents:
diff changeset
503 ; dimm up faster
heinrichsweikamp
parents:
diff changeset
504 movlw .5
heinrichsweikamp
parents:
diff changeset
505 addwf CCPR1L,F
heinrichsweikamp
parents:
diff changeset
506 isr_dimm_tft3:
heinrichsweikamp
parents:
diff changeset
507 incf CCPR1L,F ; +1
heinrichsweikamp
parents:
diff changeset
508 return
heinrichsweikamp
parents:
diff changeset
509
heinrichsweikamp
parents:
diff changeset
510
heinrichsweikamp
parents:
diff changeset
511 isr_rtcc: ; each second
heinrichsweikamp
parents:
diff changeset
512 bcf PIR3,RTCCIF ; clear flag
heinrichsweikamp
parents:
diff changeset
513 banksel 0xF16 ; Addresses, F16h through F5Fh, are also used by SFRs, but are not part of the Access RAM.
heinrichsweikamp
parents:
diff changeset
514 bsf RTCCFG,RTCPTR1
heinrichsweikamp
parents:
diff changeset
515 bsf RTCCFG,RTCPTR0 ; year
heinrichsweikamp
parents:
diff changeset
516 movff RTCVALL,year ; format is BCD!
heinrichsweikamp
parents:
diff changeset
517 movff RTCVALH,day ; dummy read
heinrichsweikamp
parents:
diff changeset
518 movff RTCVALL,day ; format is BCD!
heinrichsweikamp
parents:
diff changeset
519 movff RTCVALH,month ; format is BCD!
heinrichsweikamp
parents:
diff changeset
520 movff RTCVALL,hours ; format is BCD!
heinrichsweikamp
parents:
diff changeset
521 movff RTCVALH,secs ; format is BCD!
heinrichsweikamp
parents:
diff changeset
522 movff RTCVALL,secs ; format is BCD!
heinrichsweikamp
parents:
diff changeset
523 movff RTCVALH,mins ; format is BCD!
heinrichsweikamp
parents:
diff changeset
524 banksel isr_backup ; Back to Bank0 ISR data
heinrichsweikamp
parents:
diff changeset
525
heinrichsweikamp
parents:
diff changeset
526 ; Convert BCD to DEC and set registers
heinrichsweikamp
parents:
diff changeset
527 movff mins, isr1_temp
heinrichsweikamp
parents:
diff changeset
528 rcall isr_rtcc_convert ; Converts to dec with result in WREG
heinrichsweikamp
parents:
diff changeset
529 movff WREG,mins
heinrichsweikamp
parents:
diff changeset
530 movff secs, isr1_temp
heinrichsweikamp
parents:
diff changeset
531 rcall isr_rtcc_convert ; Converts to dec with result in WREG
heinrichsweikamp
parents:
diff changeset
532 movff WREG,secs
heinrichsweikamp
parents:
diff changeset
533 movff hours, isr1_temp
heinrichsweikamp
parents:
diff changeset
534 rcall isr_rtcc_convert ; Converts to dec with result in WREG
heinrichsweikamp
parents:
diff changeset
535 movff WREG,hours
heinrichsweikamp
parents:
diff changeset
536 movff month, isr1_temp
heinrichsweikamp
parents:
diff changeset
537 rcall isr_rtcc_convert ; Converts to dec with result in WREG
heinrichsweikamp
parents:
diff changeset
538 movff WREG,month
heinrichsweikamp
parents:
diff changeset
539 movff day, isr1_temp
heinrichsweikamp
parents:
diff changeset
540 rcall isr_rtcc_convert ; Converts to dec with result in WREG
heinrichsweikamp
parents:
diff changeset
541 movff WREG,day
heinrichsweikamp
parents:
diff changeset
542 movff year, isr1_temp
heinrichsweikamp
parents:
diff changeset
543 rcall isr_rtcc_convert ; Converts to dec with result in WREG
heinrichsweikamp
parents:
diff changeset
544 movff WREG,year
heinrichsweikamp
parents:
diff changeset
545
heinrichsweikamp
parents:
diff changeset
546 ; Place once/second tasks for ISR here (Be sure of the right bank!)
heinrichsweikamp
parents:
diff changeset
547 banksel common ; flag1 is in Bank1
heinrichsweikamp
parents:
diff changeset
548 btfss sleepmode ; in Sleepmode?
heinrichsweikamp
parents:
diff changeset
549 call get_ambient_level ; No, get ambient light level and set max_CCPR1L
heinrichsweikamp
parents:
diff changeset
550
heinrichsweikamp
parents:
diff changeset
551 rcall isr_battery_gauge ; Add amount of battery consumption to battery_gauge:6
heinrichsweikamp
parents:
diff changeset
552
heinrichsweikamp
parents:
diff changeset
553 banksel common ; flag1 is in Bank1
heinrichsweikamp
parents:
diff changeset
554 bsf onesecupdate ; A new second has begun
heinrichsweikamp
parents:
diff changeset
555 btfsc divemode ; in divemode?
heinrichsweikamp
parents:
diff changeset
556 rcall isr_divemode_1sec ; Yes, do some divemode stuff in bank common
heinrichsweikamp
parents:
diff changeset
557
heinrichsweikamp
parents:
diff changeset
558 tstfsz secs ; Secs == 0 ?
heinrichsweikamp
parents:
diff changeset
559 return ; No, Done.
heinrichsweikamp
parents:
diff changeset
560
heinrichsweikamp
parents:
diff changeset
561 bsf oneminupdate ; A new minute has begun
heinrichsweikamp
parents:
diff changeset
562
heinrichsweikamp
parents:
diff changeset
563 btfss divemode ; In Divemode?
heinrichsweikamp
parents:
diff changeset
564 rcall check_nofly_desat_time ; No, so reduce NoFly and Desat and increase interval
heinrichsweikamp
parents:
diff changeset
565
heinrichsweikamp
parents:
diff changeset
566 ; Check if a new hour has just begun
heinrichsweikamp
parents:
diff changeset
567 tstfsz mins ; mins=0?
heinrichsweikamp
parents:
diff changeset
568 bra isr_rtcc2 ; No
heinrichsweikamp
parents:
diff changeset
569 bsf onehourupdate ; Yes, set flag
heinrichsweikamp
parents:
diff changeset
570
heinrichsweikamp
parents:
diff changeset
571 isr_rtcc2:
heinrichsweikamp
parents:
diff changeset
572 banksel isr_backup ; Back to Bank0 ISR data
heinrichsweikamp
parents:
diff changeset
573 return ; Done.
heinrichsweikamp
parents:
diff changeset
574
heinrichsweikamp
parents:
diff changeset
575 isr_battery_gauge:
heinrichsweikamp
parents:
diff changeset
576 banksel isr_backup ; Bank0 ISR data
heinrichsweikamp
parents:
diff changeset
577 movlw current_sleepmode ; 100µA/3600 -> nAs (Sleepmode current)
heinrichsweikamp
parents:
diff changeset
578 movwf isr1_temp ; Store value (low byte)
heinrichsweikamp
parents:
diff changeset
579 clrf isr2_temp ; High byte
heinrichsweikamp
parents:
diff changeset
580
heinrichsweikamp
parents:
diff changeset
581 banksel common ; flag1 is in Bank1
heinrichsweikamp
parents:
diff changeset
582 btfss sleepmode ; in Sleepmode?
heinrichsweikamp
parents:
diff changeset
583 rcall isr_battery_gauge2 ; No, compute current consumtion value into isr1_temp and isr2_temp
heinrichsweikamp
parents:
diff changeset
584
heinrichsweikamp
parents:
diff changeset
585 banksel isr_backup ; Bank0 ISR data
heinrichsweikamp
parents:
diff changeset
586 movf isr1_temp,W ; 48Bit add of isr1_temp and isr2_temp into battery_gauge:6
heinrichsweikamp
parents:
diff changeset
587 addwf battery_gauge+0,F
heinrichsweikamp
parents:
diff changeset
588 movf isr2_temp,W
heinrichsweikamp
parents:
diff changeset
589 addwfc battery_gauge+1,F
heinrichsweikamp
parents:
diff changeset
590 movlw .0
heinrichsweikamp
parents:
diff changeset
591 addwfc battery_gauge+2,F
heinrichsweikamp
parents:
diff changeset
592 addwfc battery_gauge+3,F
heinrichsweikamp
parents:
diff changeset
593 addwfc battery_gauge+4,F
heinrichsweikamp
parents:
diff changeset
594 addwfc battery_gauge+5,F
heinrichsweikamp
parents:
diff changeset
595 return
heinrichsweikamp
parents:
diff changeset
596
heinrichsweikamp
parents:
diff changeset
597 isr_battery_gauge2:
heinrichsweikamp
parents:
diff changeset
598 ; set consumtion rate in nAs for an one second interval
heinrichsweikamp
parents:
diff changeset
599 ; Example:
heinrichsweikamp
parents:
diff changeset
600 ; movlw LOW .55556 ; 0,2A/3600*1e9s = nAs
heinrichsweikamp
parents:
diff changeset
601 ; movwf isr1_temp ; Low byte
heinrichsweikamp
parents:
diff changeset
602 ; movlw HIGH .55556 ; 0,2A/3600*1e9s = nAs
heinrichsweikamp
parents:
diff changeset
603 ; movwf isr2_temp ; High byte
heinrichsweikamp
parents:
diff changeset
604
heinrichsweikamp
parents:
diff changeset
605 ; Current consumption for LED backlight is 47*CCPR1L+272
heinrichsweikamp
parents:
diff changeset
606 movf CCPR1L,W
heinrichsweikamp
parents:
diff changeset
607 mullw current_backlight_multi
heinrichsweikamp
parents:
diff changeset
608 movlw LOW current_backlight_offset
heinrichsweikamp
parents:
diff changeset
609 addwf PRODL,F
heinrichsweikamp
parents:
diff changeset
610 movlw HIGH current_backlight_offset
heinrichsweikamp
parents:
diff changeset
611 addwfc PRODH,F
heinrichsweikamp
parents:
diff changeset
612 movff PRODL,isr1_temp
heinrichsweikamp
parents:
diff changeset
613 movff PRODH,isr2_temp ; isr1_temp and isr2_temp hold value for backlight
heinrichsweikamp
parents:
diff changeset
614
heinrichsweikamp
parents:
diff changeset
615 ; Add current for CPU and GPU
heinrichsweikamp
parents:
diff changeset
616 ; speed_setting=1: ECO (3,1mA -> 861nAs), =2: NORMAL (5,50mA -> 1528nAs) or =3: FASTEST (8,04mA -> 2233nAs)
heinrichsweikamp
parents:
diff changeset
617 movlw .1
heinrichsweikamp
parents:
diff changeset
618 cpfseq speed_setting
heinrichsweikamp
parents:
diff changeset
619 bra isr_battery_gauge3
heinrichsweikamp
parents:
diff changeset
620 banksel isr_backup ; Bank0 ISR data
heinrichsweikamp
parents:
diff changeset
621 movlw LOW current_speed_eco
heinrichsweikamp
parents:
diff changeset
622 addwf isr1_temp,F
heinrichsweikamp
parents:
diff changeset
623 movlw HIGH current_speed_eco
heinrichsweikamp
parents:
diff changeset
624 addwfc isr2_temp,F
heinrichsweikamp
parents:
diff changeset
625 bra isr_battery_gauge5
heinrichsweikamp
parents:
diff changeset
626 isr_battery_gauge3:
heinrichsweikamp
parents:
diff changeset
627 movlw .2
heinrichsweikamp
parents:
diff changeset
628 cpfseq speed_setting
heinrichsweikamp
parents:
diff changeset
629 bra isr_battery_gauge4
heinrichsweikamp
parents:
diff changeset
630 banksel isr_backup ; Bank0 ISR data
heinrichsweikamp
parents:
diff changeset
631 movlw LOW current_speed_normal
heinrichsweikamp
parents:
diff changeset
632 addwf isr1_temp,F
heinrichsweikamp
parents:
diff changeset
633 movlw HIGH current_speed_normal
heinrichsweikamp
parents:
diff changeset
634 addwfc isr2_temp,F
heinrichsweikamp
parents:
diff changeset
635 bra isr_battery_gauge5
heinrichsweikamp
parents:
diff changeset
636 isr_battery_gauge4:
heinrichsweikamp
parents:
diff changeset
637 banksel isr_backup ; Bank0 ISR data
heinrichsweikamp
parents:
diff changeset
638 movlw LOW current_speed_fastest
heinrichsweikamp
parents:
diff changeset
639 addwf isr1_temp,F
heinrichsweikamp
parents:
diff changeset
640 movlw HIGH current_speed_fastest
heinrichsweikamp
parents:
diff changeset
641 addwfc isr2_temp,F
heinrichsweikamp
parents:
diff changeset
642 isr_battery_gauge5:
heinrichsweikamp
parents:
diff changeset
643 ; Add current if IR reciever is on
heinrichsweikamp
parents:
diff changeset
644 btfss ir_power ; IR enabled?
heinrichsweikamp
parents:
diff changeset
645 bra isr_battery_gauge6 ; no
heinrichsweikamp
parents:
diff changeset
646 movlw LOW current_ir_reciever
heinrichsweikamp
parents:
diff changeset
647 addwf isr1_temp,F
heinrichsweikamp
parents:
diff changeset
648 movlw HIGH current_ir_reciever
heinrichsweikamp
parents:
diff changeset
649 addwfc isr2_temp,F
heinrichsweikamp
parents:
diff changeset
650 isr_battery_gauge6:
heinrichsweikamp
parents:
diff changeset
651 ; Add current for compass/accelerometer
heinrichsweikamp
parents:
diff changeset
652 btfss compass_enabled ; compass active?
heinrichsweikamp
parents:
diff changeset
653 bra isr_battery_gauge7 ; no
heinrichsweikamp
parents:
diff changeset
654 movlw LOW current_compass
heinrichsweikamp
parents:
diff changeset
655 addwf isr1_temp,F
heinrichsweikamp
parents:
diff changeset
656 movlw HIGH current_compass
heinrichsweikamp
parents:
diff changeset
657 addwfc isr2_temp,F
heinrichsweikamp
parents:
diff changeset
658 isr_battery_gauge7:
heinrichsweikamp
parents:
diff changeset
659 return
heinrichsweikamp
parents:
diff changeset
660
heinrichsweikamp
parents:
diff changeset
661 isr_divemode_1sec:
heinrichsweikamp
parents:
diff changeset
662 incf samplesecs,F ; "samplingrate" diving seconds done
heinrichsweikamp
parents:
diff changeset
663 decf samplesecs_value,W ; holds "samplingrate" value (minus 1 into WREG)
heinrichsweikamp
parents:
diff changeset
664 cpfsgt samplesecs ; Done?
heinrichsweikamp
parents:
diff changeset
665 bra isr_divemode_1sec2 ; no
heinrichsweikamp
parents:
diff changeset
666
heinrichsweikamp
parents:
diff changeset
667 clrf samplesecs ; clear counter...
heinrichsweikamp
parents:
diff changeset
668 bsf store_sample ; ...and set bit for profile storage
heinrichsweikamp
parents:
diff changeset
669 isr_divemode_1sec2:
heinrichsweikamp
parents:
diff changeset
670 ; Increase re-setable average depth divetime counter
176
3fdafedc24af surface pressure copy in simulator
heinrichsweikamp
parents: 172
diff changeset
671 infsnz average_divesecs+0,F ; increase stopwatch registers
0
heinrichsweikamp
parents:
diff changeset
672 incf average_divesecs+1,F ; increase stopwatch registers
heinrichsweikamp
parents:
diff changeset
673 ; Increase total divetime (Regardless of start_dive_threshold)
148
022b886eddaf some cleanup
heinrichsweikamp
parents: 147
diff changeset
674 infsnz total_divetime_seconds+0,F
022b886eddaf some cleanup
heinrichsweikamp
parents: 147
diff changeset
675 incf total_divetime_seconds+1,F ; Total dive time (Regardless of start_dive_threshold)
0
heinrichsweikamp
parents:
diff changeset
676
heinrichsweikamp
parents:
diff changeset
677 btfss divemode2 ; displayed divetime is running?
heinrichsweikamp
parents:
diff changeset
678 return ; No (e.g. too shallow)
heinrichsweikamp
parents:
diff changeset
679
heinrichsweikamp
parents:
diff changeset
680 ; increase divetime registers (Displayed dive time)
heinrichsweikamp
parents:
diff changeset
681 incf divesecs,F
heinrichsweikamp
parents:
diff changeset
682 movlw d'59'
heinrichsweikamp
parents:
diff changeset
683 cpfsgt divesecs
heinrichsweikamp
parents:
diff changeset
684 bra isr_divemode_1sec2a
heinrichsweikamp
parents:
diff changeset
685
heinrichsweikamp
parents:
diff changeset
686 clrf divesecs
heinrichsweikamp
parents:
diff changeset
687 bsf realdive ; this bit is always set (again) if the dive is longer then one minute
148
022b886eddaf some cleanup
heinrichsweikamp
parents: 147
diff changeset
688 infsnz divemins+0,F
022b886eddaf some cleanup
heinrichsweikamp
parents: 147
diff changeset
689 incf divemins+1,F ; increase divemins
0
heinrichsweikamp
parents:
diff changeset
690
heinrichsweikamp
parents:
diff changeset
691 isr_divemode_1sec2a:
heinrichsweikamp
parents:
diff changeset
692 btfss FLAG_apnoe_mode ; Are we in Apnoe mode?
heinrichsweikamp
parents:
diff changeset
693 return ; No
heinrichsweikamp
parents:
diff changeset
694
heinrichsweikamp
parents:
diff changeset
695 incf apnoe_secs,F ; increase descent registers
heinrichsweikamp
parents:
diff changeset
696 movlw d'59'
heinrichsweikamp
parents:
diff changeset
697 cpfsgt apnoe_secs ; full minute?
heinrichsweikamp
parents:
diff changeset
698 return ; No
heinrichsweikamp
parents:
diff changeset
699 clrf apnoe_secs
heinrichsweikamp
parents:
diff changeset
700 incf apnoe_mins,F ; increase descent mins
heinrichsweikamp
parents:
diff changeset
701 return
heinrichsweikamp
parents:
diff changeset
702
heinrichsweikamp
parents:
diff changeset
703 ;=============================================================================
heinrichsweikamp
parents:
diff changeset
704 ; BCD to Binary convertion.
heinrichsweikamp
parents:
diff changeset
705 ; Input: isr1_temp = Value in BCD
heinrichsweikamp
parents:
diff changeset
706 ; Output WREG = value in binary.
heinrichsweikamp
parents:
diff changeset
707 isr_rtcc_convert:
heinrichsweikamp
parents:
diff changeset
708 swapf isr1_temp, W
heinrichsweikamp
parents:
diff changeset
709 andlw 0x0F ; W= tens
heinrichsweikamp
parents:
diff changeset
710 rlncf WREG, W ; W= 2*tens
heinrichsweikamp
parents:
diff changeset
711 subwf isr1_temp, F ; 16*tens + ones - 2*tens
heinrichsweikamp
parents:
diff changeset
712 subwf isr1_temp, F ; 14*tens + ones - 2*tens
heinrichsweikamp
parents:
diff changeset
713 subwf isr1_temp, W ; 12*tens + ones - 2*tens
heinrichsweikamp
parents:
diff changeset
714 return
heinrichsweikamp
parents:
diff changeset
715
heinrichsweikamp
parents:
diff changeset
716 ;=============================================================================
heinrichsweikamp
parents:
diff changeset
717
heinrichsweikamp
parents:
diff changeset
718 isr_switch_right: ;
heinrichsweikamp
parents:
diff changeset
719 bcf INTCON,INT0IE ; Disable INT0
heinrichsweikamp
parents:
diff changeset
720 banksel common ; flag1 is in Bank1
152
19ad15f04f60 BUGFIX: Clear Setpoint-Fallback warning when in bailout
heinrichsweikamp
parents: 148
diff changeset
721 btfss flip_screen ; 180° flipped?
19ad15f04f60 BUGFIX: Clear Setpoint-Fallback warning when in bailout
heinrichsweikamp
parents: 148
diff changeset
722 bsf switch_right ; Set flag
19ad15f04f60 BUGFIX: Clear Setpoint-Fallback warning when in bailout
heinrichsweikamp
parents: 148
diff changeset
723 btfsc flip_screen ; 180° flipped?
19ad15f04f60 BUGFIX: Clear Setpoint-Fallback warning when in bailout
heinrichsweikamp
parents: 148
diff changeset
724 bsf switch_left ; Set flag
0
heinrichsweikamp
parents:
diff changeset
725 bra isr_switch_common ; Continue...
heinrichsweikamp
parents:
diff changeset
726
heinrichsweikamp
parents:
diff changeset
727 isr_switch_left: ;
heinrichsweikamp
parents:
diff changeset
728 bcf INTCON3,INT1IE ; Disable INT1
heinrichsweikamp
parents:
diff changeset
729 banksel common ; flag1 is in Bank1
152
19ad15f04f60 BUGFIX: Clear Setpoint-Fallback warning when in bailout
heinrichsweikamp
parents: 148
diff changeset
730 btfss flip_screen ; 180° flipped?
19ad15f04f60 BUGFIX: Clear Setpoint-Fallback warning when in bailout
heinrichsweikamp
parents: 148
diff changeset
731 bsf switch_left ; Set flag
19ad15f04f60 BUGFIX: Clear Setpoint-Fallback warning when in bailout
heinrichsweikamp
parents: 148
diff changeset
732 btfsc flip_screen ; 180° flipped?
19ad15f04f60 BUGFIX: Clear Setpoint-Fallback warning when in bailout
heinrichsweikamp
parents: 148
diff changeset
733 bsf switch_right ; Set flag
0
heinrichsweikamp
parents:
diff changeset
734 isr_switch_common:
heinrichsweikamp
parents:
diff changeset
735 ; load timer1 for first press
heinrichsweikamp
parents:
diff changeset
736 clrf TMR1L
heinrichsweikamp
parents:
diff changeset
737 movlw TMR1H_VALUE_FIRST ; in steps of 7,8125ms
heinrichsweikamp
parents:
diff changeset
738 movwf TMR1H
heinrichsweikamp
parents:
diff changeset
739 bsf T1CON,TMR1ON ; Start Timer 1
heinrichsweikamp
parents:
diff changeset
740 banksel isr_backup ; Select Bank0 for ISR data.
heinrichsweikamp
parents:
diff changeset
741 bcf INTCON3,INT1IF ; Clear flag
heinrichsweikamp
parents:
diff changeset
742 bcf INTCON,INT0IF ; Clear flag
heinrichsweikamp
parents:
diff changeset
743 return
heinrichsweikamp
parents:
diff changeset
744
heinrichsweikamp
parents:
diff changeset
745 timer1int:
heinrichsweikamp
parents:
diff changeset
746 bcf PIR1,TMR1IF ; Clear flag
heinrichsweikamp
parents:
diff changeset
747 banksel common ; flag1 is in Bank1
204
heinrichsweikamp
parents: 200
diff changeset
748 bcf INTCON,INT0IF ; Clear flag
heinrichsweikamp
parents: 200
diff changeset
749 bcf INTCON3,INT1IF ; Clear flag
0
heinrichsweikamp
parents:
diff changeset
750 btfss switch_left1 ; Left button hold-down?
heinrichsweikamp
parents:
diff changeset
751 bra timer1int_left ; Yes
heinrichsweikamp
parents:
diff changeset
752 btfss switch_right2 ; Right button hold-down?
heinrichsweikamp
parents:
diff changeset
753 bra timer1int_right ; Yes
heinrichsweikamp
parents:
diff changeset
754
heinrichsweikamp
parents:
diff changeset
755 ; No button hold-down, stop Timer 1
heinrichsweikamp
parents:
diff changeset
756 bcf T1CON,TMR1ON ; Stop Timer 1
heinrichsweikamp
parents:
diff changeset
757 bsf INTCON,INT0IE ; Enable INT0
heinrichsweikamp
parents:
diff changeset
758 bsf INTCON3,INT1IE ; Enable INT1
heinrichsweikamp
parents:
diff changeset
759 return
heinrichsweikamp
parents:
diff changeset
760
heinrichsweikamp
parents:
diff changeset
761 timer1int_left:
152
19ad15f04f60 BUGFIX: Clear Setpoint-Fallback warning when in bailout
heinrichsweikamp
parents: 148
diff changeset
762 btfss flip_screen ; 180° flipped?
0
heinrichsweikamp
parents:
diff changeset
763 bsf switch_left ; (Re-)Set flag
152
19ad15f04f60 BUGFIX: Clear Setpoint-Fallback warning when in bailout
heinrichsweikamp
parents: 148
diff changeset
764 btfsc flip_screen ; 180° flipped?
19ad15f04f60 BUGFIX: Clear Setpoint-Fallback warning when in bailout
heinrichsweikamp
parents: 148
diff changeset
765 bsf switch_right ; (Re-)Set flag
0
heinrichsweikamp
parents:
diff changeset
766 bra timer1int_common ; Continue
heinrichsweikamp
parents:
diff changeset
767 timer1int_right:
152
19ad15f04f60 BUGFIX: Clear Setpoint-Fallback warning when in bailout
heinrichsweikamp
parents: 148
diff changeset
768 btfss flip_screen ; 180° flipped?
19ad15f04f60 BUGFIX: Clear Setpoint-Fallback warning when in bailout
heinrichsweikamp
parents: 148
diff changeset
769 bsf switch_right ; Set flag
19ad15f04f60 BUGFIX: Clear Setpoint-Fallback warning when in bailout
heinrichsweikamp
parents: 148
diff changeset
770 btfsc flip_screen ; 180° flipped?
19ad15f04f60 BUGFIX: Clear Setpoint-Fallback warning when in bailout
heinrichsweikamp
parents: 148
diff changeset
771 bsf switch_left ; Set flag
0
heinrichsweikamp
parents:
diff changeset
772 timer1int_common:
heinrichsweikamp
parents:
diff changeset
773 ; load timer1 for next press
heinrichsweikamp
parents:
diff changeset
774 clrf TMR1L
heinrichsweikamp
parents:
diff changeset
775 movlw TMR1H_VALUE_CONT ; Surface mode
heinrichsweikamp
parents:
diff changeset
776 btfsc divemode
heinrichsweikamp
parents:
diff changeset
777 movlw TMR1H_VALUE_CONT_DIVE ; Dive mode
heinrichsweikamp
parents:
diff changeset
778 movwf TMR1H
heinrichsweikamp
parents:
diff changeset
779 return ; Return from timer1int with timer1 kept running
heinrichsweikamp
parents:
diff changeset
780
heinrichsweikamp
parents:
diff changeset
781 ;=============================================================================
heinrichsweikamp
parents:
diff changeset
782
heinrichsweikamp
parents:
diff changeset
783 check_nofly_desat_time:
heinrichsweikamp
parents:
diff changeset
784 movf nofly_time+0,W ; Is nofly null ?
heinrichsweikamp
parents:
diff changeset
785 iorwf nofly_time+1,W
heinrichsweikamp
parents:
diff changeset
786 bz check_nofly_desat_time2 ; yes...
heinrichsweikamp
parents:
diff changeset
787
heinrichsweikamp
parents:
diff changeset
788 movlw d'1'
heinrichsweikamp
parents:
diff changeset
789 subwf nofly_time+0,F
heinrichsweikamp
parents:
diff changeset
790 movlw d'0'
heinrichsweikamp
parents:
diff changeset
791 subwfb nofly_time+1,F ; reduce by one
heinrichsweikamp
parents:
diff changeset
792
heinrichsweikamp
parents:
diff changeset
793 check_nofly_desat_time2:
heinrichsweikamp
parents:
diff changeset
794 movf desaturation_time+0,W ; Is Desat null ?
heinrichsweikamp
parents:
diff changeset
795 iorwf desaturation_time+1,W
heinrichsweikamp
parents:
diff changeset
796 bz check_nofly_desat_time3 ; yes...
heinrichsweikamp
parents:
diff changeset
797
heinrichsweikamp
parents:
diff changeset
798 movlw d'1'
heinrichsweikamp
parents:
diff changeset
799 subwf desaturation_time+0,F
heinrichsweikamp
parents:
diff changeset
800 movlw d'0'
heinrichsweikamp
parents:
diff changeset
801 subwfb desaturation_time+1,F ; reduce by one...
heinrichsweikamp
parents:
diff changeset
802
147
fdd4e30846ae some cleanup
heinrichsweikamp
parents: 145
diff changeset
803 ; Increase surface interval timer
fdd4e30846ae some cleanup
heinrichsweikamp
parents: 145
diff changeset
804 infsnz surface_interval+0,F
fdd4e30846ae some cleanup
heinrichsweikamp
parents: 145
diff changeset
805 incf surface_interval+1,F
0
heinrichsweikamp
parents:
diff changeset
806 return ; Done
heinrichsweikamp
parents:
diff changeset
807
heinrichsweikamp
parents:
diff changeset
808 check_nofly_desat_time3:
heinrichsweikamp
parents:
diff changeset
809 clrf surface_interval+0
heinrichsweikamp
parents:
diff changeset
810 clrf surface_interval+1 ; Clear surface interval timer
heinrichsweikamp
parents:
diff changeset
811 return ; Done.
heinrichsweikamp
parents:
diff changeset
812
heinrichsweikamp
parents:
diff changeset
813 ;=============================================================================
heinrichsweikamp
parents:
diff changeset
814
heinrichsweikamp
parents:
diff changeset
815 isr_restore_clock:
heinrichsweikamp
parents:
diff changeset
816 banksel isr_backup
heinrichsweikamp
parents:
diff changeset
817 movff speed_setting,isr1_temp ; Copy to Bank0
heinrichsweikamp
parents:
diff changeset
818 movlw d'1'
heinrichsweikamp
parents:
diff changeset
819 cpfseq isr1_temp
heinrichsweikamp
parents:
diff changeset
820 bra isr_restore_speed2
heinrichsweikamp
parents:
diff changeset
821 ; Reset to eco
heinrichsweikamp
parents:
diff changeset
822 movlw b'00000000'
heinrichsweikamp
parents:
diff changeset
823 movwf OSCTUNE ; 4x PLL Disable (Bit6) - only works with 8 or 16MHz (=32 or 64MHz)
heinrichsweikamp
parents:
diff changeset
824 movlw b'00110010'
heinrichsweikamp
parents:
diff changeset
825 movwf OSCCON ; 1MHz INTOSC
heinrichsweikamp
parents:
diff changeset
826 movlw T2CON_ECO
heinrichsweikamp
parents:
diff changeset
827 movwf T2CON
heinrichsweikamp
parents:
diff changeset
828 bra isr_restore_exit
heinrichsweikamp
parents:
diff changeset
829 isr_restore_speed2:
heinrichsweikamp
parents:
diff changeset
830 movlw d'2'
heinrichsweikamp
parents:
diff changeset
831 cpfseq isr1_temp
heinrichsweikamp
parents:
diff changeset
832 bra isr_restore_speed3
heinrichsweikamp
parents:
diff changeset
833 ; Reset to normal
heinrichsweikamp
parents:
diff changeset
834 movlw b'01110010'
heinrichsweikamp
parents:
diff changeset
835 movwf OSCCON ; 16MHz INTOSC
heinrichsweikamp
parents:
diff changeset
836 movlw b'00000000'
heinrichsweikamp
parents:
diff changeset
837 movwf OSCTUNE ; 4x PLL Disable (Bit6) - only works with 8 or 16MHz (=32 or 64MHz)
heinrichsweikamp
parents:
diff changeset
838 movlw T2CON_NORMAL
heinrichsweikamp
parents:
diff changeset
839 movwf T2CON
heinrichsweikamp
parents:
diff changeset
840 bra isr_restore_exit
heinrichsweikamp
parents:
diff changeset
841
heinrichsweikamp
parents:
diff changeset
842 isr_restore_speed3:
heinrichsweikamp
parents:
diff changeset
843 ; Reset to fastest
heinrichsweikamp
parents:
diff changeset
844 movlw b'01110010' ; 16MHz INTOSC
heinrichsweikamp
parents:
diff changeset
845 movwf OSCCON
heinrichsweikamp
parents:
diff changeset
846 movlw b'01000000'
heinrichsweikamp
parents:
diff changeset
847 movwf OSCTUNE ; 4x PLL Enable (Bit6) - only works with 8 or 16MHz (=32 or 64MHz)
heinrichsweikamp
parents:
diff changeset
848 movlw T2CON_FASTEST
heinrichsweikamp
parents:
diff changeset
849 movwf T2CON
heinrichsweikamp
parents:
diff changeset
850 ; bra isr_restore_exit
heinrichsweikamp
parents:
diff changeset
851 isr_restore_exit:
heinrichsweikamp
parents:
diff changeset
852 btfss OSCCON,HFIOFS
heinrichsweikamp
parents:
diff changeset
853 bra isr_restore_exit ; loop until PLL is stable
heinrichsweikamp
parents:
diff changeset
854 return
heinrichsweikamp
parents:
diff changeset
855
heinrichsweikamp
parents:
diff changeset
856 END