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annotate src/isr.asm @ 254:5fe7aff622f3

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preparations to set a course for the compass display
author heinrichsweikamp
date Fri, 20 Mar 2015 10:16:49 +0100
parents e2ea74646127
children 29acdb601548
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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0
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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
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12 #include "ostc3.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
187
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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
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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
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
204
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80 movwf ir_s8_buffer+.2
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81 dcfsnz isr1_temp,F
204
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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
204
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90 movwf ir_s8_buffer+.7
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91 dcfsnz isr1_temp,F
204
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92 movwf ir_s8_buffer+.8
0
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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
204
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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
204
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106 movwf ir_s8_buffer+.15
113
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107 dcfsnz isr1_temp,F
204
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108 movwf ir_s8_buffer+.16
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109 dcfsnz isr1_temp,F
204
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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
187
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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
187
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147 movf ir_s8_buffer+.4,W
0
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148 rcall isr_timer3_checksum
187
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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
187
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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
187
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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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parents: 178
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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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parents: 178
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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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parents: 178
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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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parents: 178
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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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parents: 178
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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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parents: 178
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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
diff changeset
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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parents:
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201 addwf PRODL,F
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parents:
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202 movlw .0
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203 addwfc PRODH,F
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parents:
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204 return
heinrichsweikamp
parents:
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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
heinrichsweikamp
parents: 50
diff changeset
208 clrf PRODH
187
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
heinrichsweikamp
parents: 178
diff changeset
209 movf ir_s8_buffer+.1,W
113
heinrichsweikamp
parents: 50
diff changeset
210 rcall isr_timer3_checksum
187
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
heinrichsweikamp
parents: 178
diff changeset
211 movf ir_s8_buffer+.2,W
113
heinrichsweikamp
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
heinrichsweikamp
parents: 50
diff changeset
214 rcall isr_timer3_checksum
187
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
heinrichsweikamp
parents: 178
diff changeset
215 movf ir_s8_buffer+.4,W
113
heinrichsweikamp
parents: 50
diff changeset
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
heinrichsweikamp
parents: 50
diff changeset
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
heinrichsweikamp
parents: 50
diff changeset
252 bsf new_s8_data_available ; set flag
187
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
heinrichsweikamp
parents: 178
diff changeset
253 banksel ir_S8_timeout
113
heinrichsweikamp
parents: 50
diff changeset
254
heinrichsweikamp
parents: 50
diff changeset
255 movlw ir_timeout_value ; multiples of 62,5ms
187
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
heinrichsweikamp
parents: 178
diff changeset
256 movwf ir_S8_timeout ; Reload timeout
113
heinrichsweikamp
parents: 50
diff changeset
257 bra isr_timer3_exit ; Exit
heinrichsweikamp
parents: 50
diff changeset
258
heinrichsweikamp
parents: 50
diff changeset
259
0
heinrichsweikamp
parents:
diff changeset
260 ;=============================================================================
heinrichsweikamp
parents:
diff changeset
261
heinrichsweikamp
parents:
diff changeset
262 isr_tmr7: ; each 62,5ms
heinrichsweikamp
parents:
diff changeset
263 bcf PIR5,TMR7IF ; clear flag
heinrichsweikamp
parents:
diff changeset
264 banksel 0xF16 ; Addresses, F16h through F5Fh, are also used by SFRs, but are not part of the Access RAM.
heinrichsweikamp
parents:
diff changeset
265 movlw .248
heinrichsweikamp
parents:
diff changeset
266 movwf TMR7H ; -> Rollover after 2048 cycles -> 62,5ms
heinrichsweikamp
parents:
diff changeset
267
heinrichsweikamp
parents:
diff changeset
268 banksel isr_backup
heinrichsweikamp
parents:
diff changeset
269 movf max_CCPR1L,W ; Dimm value
heinrichsweikamp
parents:
diff changeset
270 cpfseq CCPR1L ; = current PWM value?
heinrichsweikamp
parents:
diff changeset
271 rcall isr_dimm_tft ; No, adjust until max_CCPR1L=CCPR1L !
heinrichsweikamp
parents:
diff changeset
272
heinrichsweikamp
parents:
diff changeset
273 banksel isr_backup
187
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
heinrichsweikamp
parents: 178
diff changeset
274 decfsz ir_S8_timeout,F ; IR Data still valid?
0
heinrichsweikamp
parents:
diff changeset
275 bra isr_tmr7_2 ; Yes, continue
heinrichsweikamp
parents:
diff changeset
276 ; timeout, clear IR-Data
heinrichsweikamp
parents:
diff changeset
277
heinrichsweikamp
parents:
diff changeset
278 movlw ir_timeout_value ; multiples of 62,5ms
187
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
heinrichsweikamp
parents: 178
diff changeset
279 movwf ir_S8_timeout ; Reload timeout
0
heinrichsweikamp
parents:
diff changeset
280
heinrichsweikamp
parents:
diff changeset
281 banksel common
236
e2ea74646127 configure hardware_flag byte
heinrichsweikamp
parents: 235
diff changeset
282 btfss analog_o2_input
113
heinrichsweikamp
parents: 50
diff changeset
283 bra isr_tmr7_1a ; Always with normal ostc3 hardware
heinrichsweikamp
parents: 50
diff changeset
284 btfss s8_digital
heinrichsweikamp
parents: 50
diff changeset
285 bra isr_tmr7_2 ; only when digital
heinrichsweikamp
parents: 50
diff changeset
286 isr_tmr7_1a:
0
heinrichsweikamp
parents:
diff changeset
287 clrf o2_mv_sensor1+0
heinrichsweikamp
parents:
diff changeset
288 clrf o2_mv_sensor1+1
heinrichsweikamp
parents:
diff changeset
289 clrf o2_mv_sensor2+0
heinrichsweikamp
parents:
diff changeset
290 clrf o2_mv_sensor2+1
heinrichsweikamp
parents:
diff changeset
291 clrf o2_mv_sensor3+0
heinrichsweikamp
parents:
diff changeset
292 clrf o2_mv_sensor3+1
heinrichsweikamp
parents:
diff changeset
293 clrf hud_battery_mv+0
heinrichsweikamp
parents:
diff changeset
294 clrf hud_battery_mv+1
heinrichsweikamp
parents:
diff changeset
295 clrf hud_status_byte
heinrichsweikamp
parents:
diff changeset
296 clrf o2_ppo2_sensor1
heinrichsweikamp
parents:
diff changeset
297 clrf o2_ppo2_sensor2
heinrichsweikamp
parents:
diff changeset
298 clrf o2_ppo2_sensor3
heinrichsweikamp
parents:
diff changeset
299
heinrichsweikamp
parents:
diff changeset
300 isr_tmr7_2:
heinrichsweikamp
parents:
diff changeset
301 banksel common
heinrichsweikamp
parents:
diff changeset
302 btfss no_sensor_int ; No sensor interrupt (because it's addressed during sleep)
heinrichsweikamp
parents:
diff changeset
303 bra isr_sensor_state2 ; No, continue
heinrichsweikamp
parents:
diff changeset
304 banksel isr_backup ; Back to Bank0 ISR data
heinrichsweikamp
parents:
diff changeset
305 return
heinrichsweikamp
parents:
diff changeset
306
heinrichsweikamp
parents:
diff changeset
307 isr_set_speed_to_normal:
heinrichsweikamp
parents:
diff changeset
308 ; Set Speed to normal
heinrichsweikamp
parents:
diff changeset
309 movlw b'01110010'
heinrichsweikamp
parents:
diff changeset
310 movwf OSCCON ; 16MHz INTOSC
heinrichsweikamp
parents:
diff changeset
311 movlw b'00000000'
heinrichsweikamp
parents:
diff changeset
312 movwf OSCTUNE ; 4x PLL Disable (Bit6) - only works with 8 or 16MHz (=32 or 64MHz)
heinrichsweikamp
parents:
diff changeset
313 movlw b'00001101' ; 1:2 Postscaler, 1:4 Prescaler, Timer 2 start -> 1960Hz (no-flicker)
heinrichsweikamp
parents:
diff changeset
314 movwf T2CON
heinrichsweikamp
parents:
diff changeset
315 btfss OSCCON,HFIOFS
heinrichsweikamp
parents:
diff changeset
316 bra $-2 ; Wait until clock is stable
heinrichsweikamp
parents:
diff changeset
317 return
heinrichsweikamp
parents:
diff changeset
318
heinrichsweikamp
parents:
diff changeset
319 isr_sensor_state2:
heinrichsweikamp
parents:
diff changeset
320 banksel common
heinrichsweikamp
parents:
diff changeset
321 movff sensor_state_counter,WREG
heinrichsweikamp
parents:
diff changeset
322 btfss WREG,0 ; every 1/4 second
heinrichsweikamp
parents:
diff changeset
323 bsf quarter_second_update ; Set flag
heinrichsweikamp
parents:
diff changeset
324 movlw d'2'
heinrichsweikamp
parents:
diff changeset
325 cpfseq speed_setting ; Set to normal in case it's not already in normal speed mode
heinrichsweikamp
parents:
diff changeset
326 rcall isr_set_speed_to_normal
heinrichsweikamp
parents:
diff changeset
327 banksel isr_backup ; Back to Bank0 ISR data
heinrichsweikamp
parents:
diff changeset
328
heinrichsweikamp
parents:
diff changeset
329 incf sensor_state_counter,F ; counts to eight for state maschine
heinrichsweikamp
parents:
diff changeset
330
heinrichsweikamp
parents:
diff changeset
331 ; State 1: Clear flags and average registers, get temperature (51us) and start pressure integration (73,5us)
heinrichsweikamp
parents:
diff changeset
332 ; State 2: Get pressure (51us), start temperature integration (73,5us) and calculate temperature compensated pressure (233us)
heinrichsweikamp
parents:
diff changeset
333 ; State 3: Get temperature (51us) and start pressure integration (73,5us)
heinrichsweikamp
parents:
diff changeset
334 ; State 4: Get pressure (51us), start temperature integration (73,5us) and calculate temperature compensated pressure (233us)
heinrichsweikamp
parents:
diff changeset
335 ; State 5: Get temperature (51us) and start pressure integration (73,5us)
heinrichsweikamp
parents:
diff changeset
336 ; State 6: Get pressure (51us), start temperature integration (73,5us) and calculate temperature compensated pressure (233us)
heinrichsweikamp
parents:
diff changeset
337 ; State 7: Get temperature (51us) and start pressure integration (73,5us)
heinrichsweikamp
parents:
diff changeset
338 ; 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
339
heinrichsweikamp
parents:
diff changeset
340 movff sensor_state_counter,WREG ; WREG used as temp here...
heinrichsweikamp
parents:
diff changeset
341 dcfsnz WREG,F
heinrichsweikamp
parents:
diff changeset
342 bra sensor_int_state1_plus_restart ; Do State 1
heinrichsweikamp
parents:
diff changeset
343 dcfsnz WREG,F
heinrichsweikamp
parents:
diff changeset
344 bra sensor_int_state2 ; Do State 2
heinrichsweikamp
parents:
diff changeset
345 dcfsnz WREG,F
heinrichsweikamp
parents:
diff changeset
346 bra sensor_int_state1 ; Do State 3
heinrichsweikamp
parents:
diff changeset
347 dcfsnz WREG,F
heinrichsweikamp
parents:
diff changeset
348 bra sensor_int_state2 ; Do State 4
heinrichsweikamp
parents:
diff changeset
349 dcfsnz WREG,F
heinrichsweikamp
parents:
diff changeset
350 bra sensor_int_state1 ; Do State 5
heinrichsweikamp
parents:
diff changeset
351 dcfsnz WREG,F
heinrichsweikamp
parents:
diff changeset
352 bra sensor_int_state2 ; Do State 6
heinrichsweikamp
parents:
diff changeset
353 dcfsnz WREG,F
heinrichsweikamp
parents:
diff changeset
354 bra sensor_int_state1 ; Do State 7
heinrichsweikamp
parents:
diff changeset
355 ; bra sensor_int2_plus_average ; Do State 8
heinrichsweikamp
parents:
diff changeset
356 ;sensor_int2_plus_average:
heinrichsweikamp
parents:
diff changeset
357 ; First, do state2:
heinrichsweikamp
parents:
diff changeset
358 call get_pressure_value ; State2: Get pressure (51us)
heinrichsweikamp
parents:
diff changeset
359 call get_temperature_start ; and start temperature integration (73,5us)
heinrichsweikamp
parents:
diff changeset
360 call calculate_compensation ; calculate temperature compensated pressure (27us)
heinrichsweikamp
parents:
diff changeset
361 ; Build average
heinrichsweikamp
parents:
diff changeset
362 bcf STATUS,C ; clear carry bit.
heinrichsweikamp
parents:
diff changeset
363 rrcf amb_pressure_avg+1 ; amb_pressure sum / 2
heinrichsweikamp
parents:
diff changeset
364 rrcf amb_pressure_avg+0
heinrichsweikamp
parents:
diff changeset
365 bcf STATUS,C ; clear carry bit, twice.
heinrichsweikamp
parents:
diff changeset
366 rrcf amb_pressure_avg+1 ; amb_pressure sum / 4
heinrichsweikamp
parents:
diff changeset
367 rrcf amb_pressure_avg+0
heinrichsweikamp
parents:
diff changeset
368
heinrichsweikamp
parents:
diff changeset
369 movff amb_pressure_avg+1,amb_pressure+1 ; copy into actual register
heinrichsweikamp
parents:
diff changeset
370 movff amb_pressure_avg+0,amb_pressure+0
heinrichsweikamp
parents:
diff changeset
371
heinrichsweikamp
parents:
diff changeset
372 bcf STATUS,C
heinrichsweikamp
parents:
diff changeset
373 btfsc temperature_avg+1,7 ; Copy sign bit to carry
heinrichsweikamp
parents:
diff changeset
374 bsf STATUS,C
heinrichsweikamp
parents:
diff changeset
375 rrcf temperature_avg+1 ; Signed temperature /2
heinrichsweikamp
parents:
diff changeset
376 rrcf temperature_avg+0
heinrichsweikamp
parents:
diff changeset
377 bcf STATUS,C
heinrichsweikamp
parents:
diff changeset
378 btfsc temperature_avg+1,7 ; Copy sign bit to carry
heinrichsweikamp
parents:
diff changeset
379 bsf STATUS,C
heinrichsweikamp
parents:
diff changeset
380 rrcf temperature_avg+1 ; Signed temperature /4
heinrichsweikamp
parents:
diff changeset
381 rrcf temperature_avg+0
heinrichsweikamp
parents:
diff changeset
382
heinrichsweikamp
parents:
diff changeset
383 movff temperature_avg+1,temperature+1 ; copy into actual register
heinrichsweikamp
parents:
diff changeset
384 movff temperature_avg+0,temperature+0
heinrichsweikamp
parents:
diff changeset
385
heinrichsweikamp
parents:
diff changeset
386 banksel common ; flag1 is in Bank1
heinrichsweikamp
parents:
diff changeset
387 bcf temp_changed ; Clear flag for temperature update
heinrichsweikamp
parents:
diff changeset
388 bcf pressure_refresh ; Clear flag for pressure update
heinrichsweikamp
parents:
diff changeset
389 banksel isr_backup ; Back to Bank0 ISR data
heinrichsweikamp
parents:
diff changeset
390
heinrichsweikamp
parents:
diff changeset
391 ; Temp changed?
heinrichsweikamp
parents:
diff changeset
392 movf temperature+0,W
heinrichsweikamp
parents:
diff changeset
393 cpfseq last_temperature+0
heinrichsweikamp
parents:
diff changeset
394 bra isr_sensor_state2_2 ; Yes
heinrichsweikamp
parents:
diff changeset
395 movf temperature+1,W
heinrichsweikamp
parents:
diff changeset
396 cpfseq last_temperature+1
heinrichsweikamp
parents:
diff changeset
397 bra isr_sensor_state2_2 ; Yes
heinrichsweikamp
parents:
diff changeset
398
heinrichsweikamp
parents:
diff changeset
399 bra isr_sensor_state2_3 ; no change
heinrichsweikamp
parents:
diff changeset
400
heinrichsweikamp
parents:
diff changeset
401 isr_sensor_state2_2:
heinrichsweikamp
parents:
diff changeset
402 banksel common ; flag1 is in Bank1
heinrichsweikamp
parents:
diff changeset
403 bsf temp_changed ; Yes
heinrichsweikamp
parents:
diff changeset
404 banksel isr_backup ; Back to Bank0 ISR data
heinrichsweikamp
parents:
diff changeset
405 isr_sensor_state2_3:
heinrichsweikamp
parents:
diff changeset
406 movff temperature+0,last_temperature+0 ; Copy for compare
heinrichsweikamp
parents:
diff changeset
407 movff temperature+1,last_temperature+1
heinrichsweikamp
parents:
diff changeset
408
heinrichsweikamp
parents:
diff changeset
409 movf amb_pressure+0,W
heinrichsweikamp
parents:
diff changeset
410 cpfseq last_pressure+0
heinrichsweikamp
parents:
diff changeset
411 bra isr_sensor_state2_4 ; Yes
heinrichsweikamp
parents:
diff changeset
412 movf amb_pressure+1,W
heinrichsweikamp
parents:
diff changeset
413 cpfseq last_pressure+1
heinrichsweikamp
parents:
diff changeset
414 bra isr_sensor_state2_4 ; Yes
heinrichsweikamp
parents:
diff changeset
415
heinrichsweikamp
parents:
diff changeset
416 bra isr_sensor_state2_5 ; No change
heinrichsweikamp
parents:
diff changeset
417 isr_sensor_state2_4:
heinrichsweikamp
parents:
diff changeset
418 banksel common ; flag1 is in Bank1
heinrichsweikamp
parents:
diff changeset
419 bsf pressure_refresh ; Yes
heinrichsweikamp
parents:
diff changeset
420 banksel isr_backup ; Back to Bank0 ISR data
heinrichsweikamp
parents:
diff changeset
421 isr_sensor_state2_5:
heinrichsweikamp
parents:
diff changeset
422 movff amb_pressure+0,last_pressure+0 ; Copy for compare
heinrichsweikamp
parents:
diff changeset
423 movff amb_pressure+1,last_pressure+1
heinrichsweikamp
parents:
diff changeset
424
heinrichsweikamp
parents:
diff changeset
425 clrf sensor_state_counter ; Then reset State counter
176
3fdafedc24af surface pressure copy in simulator
heinrichsweikamp
parents: 172
diff changeset
426 banksel common ; flag2 is in Bank1
0
heinrichsweikamp
parents:
diff changeset
427 btfss simulatormode_active ; are we in simulator mode?
heinrichsweikamp
parents:
diff changeset
428 bra comp_air_pressure ; no
176
3fdafedc24af surface pressure copy in simulator
heinrichsweikamp
parents: 172
diff changeset
429 ; Always set pressure_refresh flag in simulator mode
3fdafedc24af surface pressure copy in simulator
heinrichsweikamp
parents: 172
diff changeset
430 bsf pressure_refresh ; Yes
3fdafedc24af surface pressure copy in simulator
heinrichsweikamp
parents: 172
diff changeset
431 banksel isr_backup ; Back to Bank0 ISR data
0
heinrichsweikamp
parents:
diff changeset
432 movlw LOW d'1000' ; yes, so simulate 1000mbar surface pressure
heinrichsweikamp
parents:
diff changeset
433 movwf last_surfpressure+0
heinrichsweikamp
parents:
diff changeset
434 movlw HIGH d'1000'
heinrichsweikamp
parents:
diff changeset
435 movwf last_surfpressure+1
heinrichsweikamp
parents:
diff changeset
436
heinrichsweikamp
parents:
diff changeset
437 comp_air_pressure:
176
3fdafedc24af surface pressure copy in simulator
heinrichsweikamp
parents: 172
diff changeset
438 banksel isr_backup ; Back to Bank0 ISR data
0
heinrichsweikamp
parents:
diff changeset
439 movf last_surfpressure+0,W ; compensate airpressure
heinrichsweikamp
parents:
diff changeset
440 subwf amb_pressure+0,W
heinrichsweikamp
parents:
diff changeset
441 movwf rel_pressure+0 ; rel_pressure stores depth!
heinrichsweikamp
parents:
diff changeset
442
heinrichsweikamp
parents:
diff changeset
443 movf last_surfpressure+1,W
heinrichsweikamp
parents:
diff changeset
444 subwfb amb_pressure+1,W
heinrichsweikamp
parents:
diff changeset
445 movwf rel_pressure+1
heinrichsweikamp
parents:
diff changeset
446 btfss STATUS,N ; result is below zero?
heinrichsweikamp
parents:
diff changeset
447 bra sensor_int_state_exit
heinrichsweikamp
parents:
diff changeset
448 clrf rel_pressure+0 ; Yes, do not display negative depths
heinrichsweikamp
parents:
diff changeset
449 clrf rel_pressure+1 ; e.g. when surface air pressure dropped during the dive
heinrichsweikamp
parents:
diff changeset
450 bra sensor_int_state_exit
heinrichsweikamp
parents:
diff changeset
451
heinrichsweikamp
parents:
diff changeset
452 sensor_int_state1_plus_restart:
heinrichsweikamp
parents:
diff changeset
453 clrf amb_pressure_avg+0 ; pressure average registers
heinrichsweikamp
parents:
diff changeset
454 clrf amb_pressure_avg+1
heinrichsweikamp
parents:
diff changeset
455 clrf temperature_avg+0
heinrichsweikamp
parents:
diff changeset
456 clrf temperature_avg+1
heinrichsweikamp
parents:
diff changeset
457
heinrichsweikamp
parents:
diff changeset
458 sensor_int_state1:
heinrichsweikamp
parents:
diff changeset
459 call get_temperature_value ; State 1: Get temperature
heinrichsweikamp
parents:
diff changeset
460 call get_pressure_start ; and start pressure integration.
heinrichsweikamp
parents:
diff changeset
461 bra sensor_int_state_exit
heinrichsweikamp
parents:
diff changeset
462
heinrichsweikamp
parents:
diff changeset
463 sensor_int_state2:
heinrichsweikamp
parents:
diff changeset
464 call get_pressure_value ; State2: Get pressure (51us)
heinrichsweikamp
parents:
diff changeset
465 call get_temperature_start ; and start temperature integration (73,5us)
heinrichsweikamp
parents:
diff changeset
466 call calculate_compensation ; calculate temperature compensated pressure (233us)
heinrichsweikamp
parents:
diff changeset
467 ; bra sensor_int_state_exit
heinrichsweikamp
parents:
diff changeset
468 sensor_int_state_exit:
heinrichsweikamp
parents:
diff changeset
469 rcall isr_restore_clock ; Restore clock
heinrichsweikamp
parents:
diff changeset
470 return
heinrichsweikamp
parents:
diff changeset
471 ;=============================================================================
heinrichsweikamp
parents:
diff changeset
472
heinrichsweikamp
parents:
diff changeset
473 isr_dimm_tft: ; Adjust until max_CCPR1L=CCPR1L !
heinrichsweikamp
parents:
diff changeset
474 banksel common
heinrichsweikamp
parents:
diff changeset
475 btfsc tft_is_dimming ; Ignore while dimming
heinrichsweikamp
parents:
diff changeset
476 return
heinrichsweikamp
parents:
diff changeset
477 banksel isr_backup
heinrichsweikamp
parents:
diff changeset
478 movf max_CCPR1L,W
heinrichsweikamp
parents:
diff changeset
479 cpfsgt CCPR1L ; CCPR1L>max_CCPR1L?
heinrichsweikamp
parents:
diff changeset
480 bra isr_dimm_tft2 ; No, dimm up
heinrichsweikamp
parents:
diff changeset
481 ; dimm down
heinrichsweikamp
parents:
diff changeset
482 decf CCPR1L,F ; -1
heinrichsweikamp
parents:
diff changeset
483 return
heinrichsweikamp
parents:
diff changeset
484 isr_dimm_tft2:
heinrichsweikamp
parents:
diff changeset
485 movf max_CCPR1L,W
31
53a09c1b7410 BUGFIX: alternating brightness at very low ambient light
heinrichsweikamp
parents: 30
diff changeset
486 sublw ambient_light_min_eco
53a09c1b7410 BUGFIX: alternating brightness at very low ambient light
heinrichsweikamp
parents: 30
diff changeset
487 cpfsgt CCPR1L ; CCPR1L>max_CCPR1L-ambient_light_min_eco?
0
heinrichsweikamp
parents:
diff changeset
488 bra isr_dimm_tft3 ; No, dimm up slow
heinrichsweikamp
parents:
diff changeset
489 ; dimm up faster
heinrichsweikamp
parents:
diff changeset
490 movlw .5
heinrichsweikamp
parents:
diff changeset
491 addwf CCPR1L,F
heinrichsweikamp
parents:
diff changeset
492 isr_dimm_tft3:
heinrichsweikamp
parents:
diff changeset
493 incf CCPR1L,F ; +1
heinrichsweikamp
parents:
diff changeset
494 return
heinrichsweikamp
parents:
diff changeset
495
heinrichsweikamp
parents:
diff changeset
496
heinrichsweikamp
parents:
diff changeset
497 isr_rtcc: ; each second
heinrichsweikamp
parents:
diff changeset
498 bcf PIR3,RTCCIF ; clear flag
heinrichsweikamp
parents:
diff changeset
499 banksel 0xF16 ; Addresses, F16h through F5Fh, are also used by SFRs, but are not part of the Access RAM.
heinrichsweikamp
parents:
diff changeset
500 bsf RTCCFG,RTCPTR1
heinrichsweikamp
parents:
diff changeset
501 bsf RTCCFG,RTCPTR0 ; year
heinrichsweikamp
parents:
diff changeset
502 movff RTCVALL,year ; format is BCD!
heinrichsweikamp
parents:
diff changeset
503 movff RTCVALH,day ; dummy read
heinrichsweikamp
parents:
diff changeset
504 movff RTCVALL,day ; format is BCD!
heinrichsweikamp
parents:
diff changeset
505 movff RTCVALH,month ; format is BCD!
heinrichsweikamp
parents:
diff changeset
506 movff RTCVALL,hours ; format is BCD!
heinrichsweikamp
parents:
diff changeset
507 movff RTCVALH,secs ; format is BCD!
heinrichsweikamp
parents:
diff changeset
508 movff RTCVALL,secs ; format is BCD!
heinrichsweikamp
parents:
diff changeset
509 movff RTCVALH,mins ; format is BCD!
heinrichsweikamp
parents:
diff changeset
510 banksel isr_backup ; Back to Bank0 ISR data
heinrichsweikamp
parents:
diff changeset
511
heinrichsweikamp
parents:
diff changeset
512 ; Convert BCD to DEC and set registers
heinrichsweikamp
parents:
diff changeset
513 movff mins, isr1_temp
heinrichsweikamp
parents:
diff changeset
514 rcall isr_rtcc_convert ; Converts to dec with result in WREG
heinrichsweikamp
parents:
diff changeset
515 movff WREG,mins
heinrichsweikamp
parents:
diff changeset
516 movff secs, isr1_temp
heinrichsweikamp
parents:
diff changeset
517 rcall isr_rtcc_convert ; Converts to dec with result in WREG
heinrichsweikamp
parents:
diff changeset
518 movff WREG,secs
heinrichsweikamp
parents:
diff changeset
519 movff hours, isr1_temp
heinrichsweikamp
parents:
diff changeset
520 rcall isr_rtcc_convert ; Converts to dec with result in WREG
heinrichsweikamp
parents:
diff changeset
521 movff WREG,hours
heinrichsweikamp
parents:
diff changeset
522 movff month, isr1_temp
heinrichsweikamp
parents:
diff changeset
523 rcall isr_rtcc_convert ; Converts to dec with result in WREG
heinrichsweikamp
parents:
diff changeset
524 movff WREG,month
heinrichsweikamp
parents:
diff changeset
525 movff day, isr1_temp
heinrichsweikamp
parents:
diff changeset
526 rcall isr_rtcc_convert ; Converts to dec with result in WREG
heinrichsweikamp
parents:
diff changeset
527 movff WREG,day
heinrichsweikamp
parents:
diff changeset
528 movff year, isr1_temp
heinrichsweikamp
parents:
diff changeset
529 rcall isr_rtcc_convert ; Converts to dec with result in WREG
heinrichsweikamp
parents:
diff changeset
530 movff WREG,year
heinrichsweikamp
parents:
diff changeset
531
heinrichsweikamp
parents:
diff changeset
532 ; Place once/second tasks for ISR here (Be sure of the right bank!)
heinrichsweikamp
parents:
diff changeset
533 banksel common ; flag1 is in Bank1
heinrichsweikamp
parents:
diff changeset
534 btfss sleepmode ; in Sleepmode?
heinrichsweikamp
parents:
diff changeset
535 call get_ambient_level ; No, get ambient light level and set max_CCPR1L
heinrichsweikamp
parents:
diff changeset
536
heinrichsweikamp
parents:
diff changeset
537 rcall isr_battery_gauge ; Add amount of battery consumption to battery_gauge:6
heinrichsweikamp
parents:
diff changeset
538
heinrichsweikamp
parents:
diff changeset
539 banksel common ; flag1 is in Bank1
heinrichsweikamp
parents:
diff changeset
540 bsf onesecupdate ; A new second has begun
heinrichsweikamp
parents:
diff changeset
541 btfsc divemode ; in divemode?
heinrichsweikamp
parents:
diff changeset
542 rcall isr_divemode_1sec ; Yes, do some divemode stuff in bank common
heinrichsweikamp
parents:
diff changeset
543
heinrichsweikamp
parents:
diff changeset
544 tstfsz secs ; Secs == 0 ?
heinrichsweikamp
parents:
diff changeset
545 return ; No, Done.
heinrichsweikamp
parents:
diff changeset
546
heinrichsweikamp
parents:
diff changeset
547 bsf oneminupdate ; A new minute has begun
heinrichsweikamp
parents:
diff changeset
548
heinrichsweikamp
parents:
diff changeset
549 btfss divemode ; In Divemode?
heinrichsweikamp
parents:
diff changeset
550 rcall check_nofly_desat_time ; No, so reduce NoFly and Desat and increase interval
heinrichsweikamp
parents:
diff changeset
551
heinrichsweikamp
parents:
diff changeset
552 ; Check if a new hour has just begun
heinrichsweikamp
parents:
diff changeset
553 tstfsz mins ; mins=0?
heinrichsweikamp
parents:
diff changeset
554 bra isr_rtcc2 ; No
heinrichsweikamp
parents:
diff changeset
555 bsf onehourupdate ; Yes, set flag
heinrichsweikamp
parents:
diff changeset
556
heinrichsweikamp
parents:
diff changeset
557 isr_rtcc2:
heinrichsweikamp
parents:
diff changeset
558 banksel isr_backup ; Back to Bank0 ISR data
heinrichsweikamp
parents:
diff changeset
559 return ; Done.
heinrichsweikamp
parents:
diff changeset
560
heinrichsweikamp
parents:
diff changeset
561 isr_battery_gauge:
heinrichsweikamp
parents:
diff changeset
562 banksel isr_backup ; Bank0 ISR data
heinrichsweikamp
parents:
diff changeset
563 movlw current_sleepmode ; 100µA/3600 -> nAs (Sleepmode current)
heinrichsweikamp
parents:
diff changeset
564 movwf isr1_temp ; Store value (low byte)
heinrichsweikamp
parents:
diff changeset
565 clrf isr2_temp ; High byte
heinrichsweikamp
parents:
diff changeset
566
heinrichsweikamp
parents:
diff changeset
567 banksel common ; flag1 is in Bank1
heinrichsweikamp
parents:
diff changeset
568 btfss sleepmode ; in Sleepmode?
heinrichsweikamp
parents:
diff changeset
569 rcall isr_battery_gauge2 ; No, compute current consumtion value into isr1_temp and isr2_temp
heinrichsweikamp
parents:
diff changeset
570
heinrichsweikamp
parents:
diff changeset
571 banksel isr_backup ; Bank0 ISR data
heinrichsweikamp
parents:
diff changeset
572 movf isr1_temp,W ; 48Bit add of isr1_temp and isr2_temp into battery_gauge:6
heinrichsweikamp
parents:
diff changeset
573 addwf battery_gauge+0,F
heinrichsweikamp
parents:
diff changeset
574 movf isr2_temp,W
heinrichsweikamp
parents:
diff changeset
575 addwfc battery_gauge+1,F
heinrichsweikamp
parents:
diff changeset
576 movlw .0
heinrichsweikamp
parents:
diff changeset
577 addwfc battery_gauge+2,F
heinrichsweikamp
parents:
diff changeset
578 addwfc battery_gauge+3,F
heinrichsweikamp
parents:
diff changeset
579 addwfc battery_gauge+4,F
heinrichsweikamp
parents:
diff changeset
580 addwfc battery_gauge+5,F
heinrichsweikamp
parents:
diff changeset
581 return
heinrichsweikamp
parents:
diff changeset
582
heinrichsweikamp
parents:
diff changeset
583 isr_battery_gauge2:
heinrichsweikamp
parents:
diff changeset
584 ; set consumtion rate in nAs for an one second interval
heinrichsweikamp
parents:
diff changeset
585 ; Example:
heinrichsweikamp
parents:
diff changeset
586 ; movlw LOW .55556 ; 0,2A/3600*1e9s = nAs
heinrichsweikamp
parents:
diff changeset
587 ; movwf isr1_temp ; Low byte
heinrichsweikamp
parents:
diff changeset
588 ; movlw HIGH .55556 ; 0,2A/3600*1e9s = nAs
heinrichsweikamp
parents:
diff changeset
589 ; movwf isr2_temp ; High byte
heinrichsweikamp
parents:
diff changeset
590
heinrichsweikamp
parents:
diff changeset
591 ; Current consumption for LED backlight is 47*CCPR1L+272
heinrichsweikamp
parents:
diff changeset
592 movf CCPR1L,W
heinrichsweikamp
parents:
diff changeset
593 mullw current_backlight_multi
heinrichsweikamp
parents:
diff changeset
594 movlw LOW current_backlight_offset
heinrichsweikamp
parents:
diff changeset
595 addwf PRODL,F
heinrichsweikamp
parents:
diff changeset
596 movlw HIGH current_backlight_offset
heinrichsweikamp
parents:
diff changeset
597 addwfc PRODH,F
heinrichsweikamp
parents:
diff changeset
598 movff PRODL,isr1_temp
heinrichsweikamp
parents:
diff changeset
599 movff PRODH,isr2_temp ; isr1_temp and isr2_temp hold value for backlight
heinrichsweikamp
parents:
diff changeset
600
heinrichsweikamp
parents:
diff changeset
601 ; Add current for CPU and GPU
heinrichsweikamp
parents:
diff changeset
602 ; speed_setting=1: ECO (3,1mA -> 861nAs), =2: NORMAL (5,50mA -> 1528nAs) or =3: FASTEST (8,04mA -> 2233nAs)
heinrichsweikamp
parents:
diff changeset
603 movlw .1
heinrichsweikamp
parents:
diff changeset
604 cpfseq speed_setting
heinrichsweikamp
parents:
diff changeset
605 bra isr_battery_gauge3
heinrichsweikamp
parents:
diff changeset
606 banksel isr_backup ; Bank0 ISR data
heinrichsweikamp
parents:
diff changeset
607 movlw LOW current_speed_eco
heinrichsweikamp
parents:
diff changeset
608 addwf isr1_temp,F
heinrichsweikamp
parents:
diff changeset
609 movlw HIGH current_speed_eco
heinrichsweikamp
parents:
diff changeset
610 addwfc isr2_temp,F
heinrichsweikamp
parents:
diff changeset
611 bra isr_battery_gauge5
heinrichsweikamp
parents:
diff changeset
612 isr_battery_gauge3:
heinrichsweikamp
parents:
diff changeset
613 movlw .2
heinrichsweikamp
parents:
diff changeset
614 cpfseq speed_setting
heinrichsweikamp
parents:
diff changeset
615 bra isr_battery_gauge4
heinrichsweikamp
parents:
diff changeset
616 banksel isr_backup ; Bank0 ISR data
heinrichsweikamp
parents:
diff changeset
617 movlw LOW current_speed_normal
heinrichsweikamp
parents:
diff changeset
618 addwf isr1_temp,F
heinrichsweikamp
parents:
diff changeset
619 movlw HIGH current_speed_normal
heinrichsweikamp
parents:
diff changeset
620 addwfc isr2_temp,F
heinrichsweikamp
parents:
diff changeset
621 bra isr_battery_gauge5
heinrichsweikamp
parents:
diff changeset
622 isr_battery_gauge4:
heinrichsweikamp
parents:
diff changeset
623 banksel isr_backup ; Bank0 ISR data
heinrichsweikamp
parents:
diff changeset
624 movlw LOW current_speed_fastest
heinrichsweikamp
parents:
diff changeset
625 addwf isr1_temp,F
heinrichsweikamp
parents:
diff changeset
626 movlw HIGH current_speed_fastest
heinrichsweikamp
parents:
diff changeset
627 addwfc isr2_temp,F
heinrichsweikamp
parents:
diff changeset
628 isr_battery_gauge5:
heinrichsweikamp
parents:
diff changeset
629 ; Add current if IR reciever is on
heinrichsweikamp
parents:
diff changeset
630 btfss ir_power ; IR enabled?
heinrichsweikamp
parents:
diff changeset
631 bra isr_battery_gauge6 ; no
heinrichsweikamp
parents:
diff changeset
632 movlw LOW current_ir_reciever
heinrichsweikamp
parents:
diff changeset
633 addwf isr1_temp,F
heinrichsweikamp
parents:
diff changeset
634 movlw HIGH current_ir_reciever
heinrichsweikamp
parents:
diff changeset
635 addwfc isr2_temp,F
heinrichsweikamp
parents:
diff changeset
636 isr_battery_gauge6:
heinrichsweikamp
parents:
diff changeset
637 ; Add current for compass/accelerometer
heinrichsweikamp
parents:
diff changeset
638 btfss compass_enabled ; compass active?
heinrichsweikamp
parents:
diff changeset
639 bra isr_battery_gauge7 ; no
heinrichsweikamp
parents:
diff changeset
640 movlw LOW current_compass
heinrichsweikamp
parents:
diff changeset
641 addwf isr1_temp,F
heinrichsweikamp
parents:
diff changeset
642 movlw HIGH current_compass
heinrichsweikamp
parents:
diff changeset
643 addwfc isr2_temp,F
heinrichsweikamp
parents:
diff changeset
644 isr_battery_gauge7:
heinrichsweikamp
parents:
diff changeset
645 return
heinrichsweikamp
parents:
diff changeset
646
heinrichsweikamp
parents:
diff changeset
647 isr_divemode_1sec:
heinrichsweikamp
parents:
diff changeset
648 incf samplesecs,F ; "samplingrate" diving seconds done
heinrichsweikamp
parents:
diff changeset
649 decf samplesecs_value,W ; holds "samplingrate" value (minus 1 into WREG)
heinrichsweikamp
parents:
diff changeset
650 cpfsgt samplesecs ; Done?
heinrichsweikamp
parents:
diff changeset
651 bra isr_divemode_1sec2 ; no
heinrichsweikamp
parents:
diff changeset
652
heinrichsweikamp
parents:
diff changeset
653 clrf samplesecs ; clear counter...
heinrichsweikamp
parents:
diff changeset
654 bsf store_sample ; ...and set bit for profile storage
heinrichsweikamp
parents:
diff changeset
655 isr_divemode_1sec2:
heinrichsweikamp
parents:
diff changeset
656 ; Increase re-setable average depth divetime counter
176
3fdafedc24af surface pressure copy in simulator
heinrichsweikamp
parents: 172
diff changeset
657 infsnz average_divesecs+0,F ; increase stopwatch registers
0
heinrichsweikamp
parents:
diff changeset
658 incf average_divesecs+1,F ; increase stopwatch registers
heinrichsweikamp
parents:
diff changeset
659 ; Increase total divetime (Regardless of start_dive_threshold)
148
022b886eddaf some cleanup
heinrichsweikamp
parents: 147
diff changeset
660 infsnz total_divetime_seconds+0,F
022b886eddaf some cleanup
heinrichsweikamp
parents: 147
diff changeset
661 incf total_divetime_seconds+1,F ; Total dive time (Regardless of start_dive_threshold)
0
heinrichsweikamp
parents:
diff changeset
662
heinrichsweikamp
parents:
diff changeset
663 btfss divemode2 ; displayed divetime is running?
heinrichsweikamp
parents:
diff changeset
664 return ; No (e.g. too shallow)
heinrichsweikamp
parents:
diff changeset
665
heinrichsweikamp
parents:
diff changeset
666 ; increase divetime registers (Displayed dive time)
heinrichsweikamp
parents:
diff changeset
667 incf divesecs,F
heinrichsweikamp
parents:
diff changeset
668 movlw d'59'
heinrichsweikamp
parents:
diff changeset
669 cpfsgt divesecs
heinrichsweikamp
parents:
diff changeset
670 bra isr_divemode_1sec2a
heinrichsweikamp
parents:
diff changeset
671
heinrichsweikamp
parents:
diff changeset
672 clrf divesecs
heinrichsweikamp
parents:
diff changeset
673 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
674 infsnz divemins+0,F
022b886eddaf some cleanup
heinrichsweikamp
parents: 147
diff changeset
675 incf divemins+1,F ; increase divemins
0
heinrichsweikamp
parents:
diff changeset
676
heinrichsweikamp
parents:
diff changeset
677 isr_divemode_1sec2a:
heinrichsweikamp
parents:
diff changeset
678 btfss FLAG_apnoe_mode ; Are we in Apnoe mode?
heinrichsweikamp
parents:
diff changeset
679 return ; No
heinrichsweikamp
parents:
diff changeset
680
heinrichsweikamp
parents:
diff changeset
681 incf apnoe_secs,F ; increase descent registers
heinrichsweikamp
parents:
diff changeset
682 movlw d'59'
heinrichsweikamp
parents:
diff changeset
683 cpfsgt apnoe_secs ; full minute?
heinrichsweikamp
parents:
diff changeset
684 return ; No
heinrichsweikamp
parents:
diff changeset
685 clrf apnoe_secs
heinrichsweikamp
parents:
diff changeset
686 incf apnoe_mins,F ; increase descent mins
heinrichsweikamp
parents:
diff changeset
687 return
heinrichsweikamp
parents:
diff changeset
688
heinrichsweikamp
parents:
diff changeset
689 ;=============================================================================
heinrichsweikamp
parents:
diff changeset
690 ; BCD to Binary convertion.
heinrichsweikamp
parents:
diff changeset
691 ; Input: isr1_temp = Value in BCD
heinrichsweikamp
parents:
diff changeset
692 ; Output WREG = value in binary.
heinrichsweikamp
parents:
diff changeset
693 isr_rtcc_convert:
heinrichsweikamp
parents:
diff changeset
694 swapf isr1_temp, W
heinrichsweikamp
parents:
diff changeset
695 andlw 0x0F ; W= tens
heinrichsweikamp
parents:
diff changeset
696 rlncf WREG, W ; W= 2*tens
heinrichsweikamp
parents:
diff changeset
697 subwf isr1_temp, F ; 16*tens + ones - 2*tens
heinrichsweikamp
parents:
diff changeset
698 subwf isr1_temp, F ; 14*tens + ones - 2*tens
heinrichsweikamp
parents:
diff changeset
699 subwf isr1_temp, W ; 12*tens + ones - 2*tens
heinrichsweikamp
parents:
diff changeset
700 return
heinrichsweikamp
parents:
diff changeset
701
heinrichsweikamp
parents:
diff changeset
702 ;=============================================================================
heinrichsweikamp
parents:
diff changeset
703
heinrichsweikamp
parents:
diff changeset
704 isr_switch_right: ;
heinrichsweikamp
parents:
diff changeset
705 bcf INTCON,INT0IE ; Disable INT0
heinrichsweikamp
parents:
diff changeset
706 banksel common ; flag1 is in Bank1
152
19ad15f04f60 BUGFIX: Clear Setpoint-Fallback warning when in bailout
heinrichsweikamp
parents: 148
diff changeset
707 btfss flip_screen ; 180° flipped?
19ad15f04f60 BUGFIX: Clear Setpoint-Fallback warning when in bailout
heinrichsweikamp
parents: 148
diff changeset
708 bsf switch_right ; Set flag
19ad15f04f60 BUGFIX: Clear Setpoint-Fallback warning when in bailout
heinrichsweikamp
parents: 148
diff changeset
709 btfsc flip_screen ; 180° flipped?
19ad15f04f60 BUGFIX: Clear Setpoint-Fallback warning when in bailout
heinrichsweikamp
parents: 148
diff changeset
710 bsf switch_left ; Set flag
0
heinrichsweikamp
parents:
diff changeset
711 bra isr_switch_common ; Continue...
heinrichsweikamp
parents:
diff changeset
712
heinrichsweikamp
parents:
diff changeset
713 isr_switch_left: ;
heinrichsweikamp
parents:
diff changeset
714 bcf INTCON3,INT1IE ; Disable INT1
heinrichsweikamp
parents:
diff changeset
715 banksel common ; flag1 is in Bank1
152
19ad15f04f60 BUGFIX: Clear Setpoint-Fallback warning when in bailout
heinrichsweikamp
parents: 148
diff changeset
716 btfss flip_screen ; 180° flipped?
19ad15f04f60 BUGFIX: Clear Setpoint-Fallback warning when in bailout
heinrichsweikamp
parents: 148
diff changeset
717 bsf switch_left ; Set flag
19ad15f04f60 BUGFIX: Clear Setpoint-Fallback warning when in bailout
heinrichsweikamp
parents: 148
diff changeset
718 btfsc flip_screen ; 180° flipped?
19ad15f04f60 BUGFIX: Clear Setpoint-Fallback warning when in bailout
heinrichsweikamp
parents: 148
diff changeset
719 bsf switch_right ; Set flag
0
heinrichsweikamp
parents:
diff changeset
720 isr_switch_common:
heinrichsweikamp
parents:
diff changeset
721 ; load timer1 for first press
heinrichsweikamp
parents:
diff changeset
722 clrf TMR1L
heinrichsweikamp
parents:
diff changeset
723 movlw TMR1H_VALUE_FIRST ; in steps of 7,8125ms
heinrichsweikamp
parents:
diff changeset
724 movwf TMR1H
heinrichsweikamp
parents:
diff changeset
725 bsf T1CON,TMR1ON ; Start Timer 1
heinrichsweikamp
parents:
diff changeset
726 banksel isr_backup ; Select Bank0 for ISR data.
heinrichsweikamp
parents:
diff changeset
727 bcf INTCON3,INT1IF ; Clear flag
heinrichsweikamp
parents:
diff changeset
728 bcf INTCON,INT0IF ; Clear flag
heinrichsweikamp
parents:
diff changeset
729 return
heinrichsweikamp
parents:
diff changeset
730
heinrichsweikamp
parents:
diff changeset
731 timer1int:
heinrichsweikamp
parents:
diff changeset
732 bcf PIR1,TMR1IF ; Clear flag
heinrichsweikamp
parents:
diff changeset
733 banksel common ; flag1 is in Bank1
204
heinrichsweikamp
parents: 200
diff changeset
734 bcf INTCON,INT0IF ; Clear flag
heinrichsweikamp
parents: 200
diff changeset
735 bcf INTCON3,INT1IF ; Clear flag
0
heinrichsweikamp
parents:
diff changeset
736 btfss switch_left1 ; Left button hold-down?
heinrichsweikamp
parents:
diff changeset
737 bra timer1int_left ; Yes
heinrichsweikamp
parents:
diff changeset
738 btfss switch_right2 ; Right button hold-down?
heinrichsweikamp
parents:
diff changeset
739 bra timer1int_right ; Yes
heinrichsweikamp
parents:
diff changeset
740
heinrichsweikamp
parents:
diff changeset
741 ; No button hold-down, stop Timer 1
heinrichsweikamp
parents:
diff changeset
742 bcf T1CON,TMR1ON ; Stop Timer 1
heinrichsweikamp
parents:
diff changeset
743 bsf INTCON,INT0IE ; Enable INT0
heinrichsweikamp
parents:
diff changeset
744 bsf INTCON3,INT1IE ; Enable INT1
heinrichsweikamp
parents:
diff changeset
745 return
heinrichsweikamp
parents:
diff changeset
746
heinrichsweikamp
parents:
diff changeset
747 timer1int_left:
152
19ad15f04f60 BUGFIX: Clear Setpoint-Fallback warning when in bailout
heinrichsweikamp
parents: 148
diff changeset
748 btfss flip_screen ; 180° flipped?
0
heinrichsweikamp
parents:
diff changeset
749 bsf switch_left ; (Re-)Set flag
152
19ad15f04f60 BUGFIX: Clear Setpoint-Fallback warning when in bailout
heinrichsweikamp
parents: 148
diff changeset
750 btfsc flip_screen ; 180° flipped?
19ad15f04f60 BUGFIX: Clear Setpoint-Fallback warning when in bailout
heinrichsweikamp
parents: 148
diff changeset
751 bsf switch_right ; (Re-)Set flag
0
heinrichsweikamp
parents:
diff changeset
752 bra timer1int_common ; Continue
heinrichsweikamp
parents:
diff changeset
753 timer1int_right:
152
19ad15f04f60 BUGFIX: Clear Setpoint-Fallback warning when in bailout
heinrichsweikamp
parents: 148
diff changeset
754 btfss flip_screen ; 180° flipped?
19ad15f04f60 BUGFIX: Clear Setpoint-Fallback warning when in bailout
heinrichsweikamp
parents: 148
diff changeset
755 bsf switch_right ; Set flag
19ad15f04f60 BUGFIX: Clear Setpoint-Fallback warning when in bailout
heinrichsweikamp
parents: 148
diff changeset
756 btfsc flip_screen ; 180° flipped?
19ad15f04f60 BUGFIX: Clear Setpoint-Fallback warning when in bailout
heinrichsweikamp
parents: 148
diff changeset
757 bsf switch_left ; Set flag
0
heinrichsweikamp
parents:
diff changeset
758 timer1int_common:
heinrichsweikamp
parents:
diff changeset
759 ; load timer1 for next press
heinrichsweikamp
parents:
diff changeset
760 clrf TMR1L
heinrichsweikamp
parents:
diff changeset
761 movlw TMR1H_VALUE_CONT ; Surface mode
heinrichsweikamp
parents:
diff changeset
762 btfsc divemode
heinrichsweikamp
parents:
diff changeset
763 movlw TMR1H_VALUE_CONT_DIVE ; Dive mode
heinrichsweikamp
parents:
diff changeset
764 movwf TMR1H
heinrichsweikamp
parents:
diff changeset
765 return ; Return from timer1int with timer1 kept running
heinrichsweikamp
parents:
diff changeset
766
heinrichsweikamp
parents:
diff changeset
767 ;=============================================================================
heinrichsweikamp
parents:
diff changeset
768
heinrichsweikamp
parents:
diff changeset
769 check_nofly_desat_time:
heinrichsweikamp
parents:
diff changeset
770 movf nofly_time+0,W ; Is nofly null ?
heinrichsweikamp
parents:
diff changeset
771 iorwf nofly_time+1,W
heinrichsweikamp
parents:
diff changeset
772 bz check_nofly_desat_time2 ; yes...
heinrichsweikamp
parents:
diff changeset
773
heinrichsweikamp
parents:
diff changeset
774 movlw d'1'
heinrichsweikamp
parents:
diff changeset
775 subwf nofly_time+0,F
heinrichsweikamp
parents:
diff changeset
776 movlw d'0'
heinrichsweikamp
parents:
diff changeset
777 subwfb nofly_time+1,F ; reduce by one
heinrichsweikamp
parents:
diff changeset
778
heinrichsweikamp
parents:
diff changeset
779 check_nofly_desat_time2:
heinrichsweikamp
parents:
diff changeset
780 movf desaturation_time+0,W ; Is Desat null ?
heinrichsweikamp
parents:
diff changeset
781 iorwf desaturation_time+1,W
heinrichsweikamp
parents:
diff changeset
782 bz check_nofly_desat_time3 ; yes...
heinrichsweikamp
parents:
diff changeset
783
heinrichsweikamp
parents:
diff changeset
784 movlw d'1'
heinrichsweikamp
parents:
diff changeset
785 subwf desaturation_time+0,F
heinrichsweikamp
parents:
diff changeset
786 movlw d'0'
heinrichsweikamp
parents:
diff changeset
787 subwfb desaturation_time+1,F ; reduce by one...
heinrichsweikamp
parents:
diff changeset
788
147
fdd4e30846ae some cleanup
heinrichsweikamp
parents: 145
diff changeset
789 ; Increase surface interval timer
fdd4e30846ae some cleanup
heinrichsweikamp
parents: 145
diff changeset
790 infsnz surface_interval+0,F
fdd4e30846ae some cleanup
heinrichsweikamp
parents: 145
diff changeset
791 incf surface_interval+1,F
0
heinrichsweikamp
parents:
diff changeset
792 return ; Done
heinrichsweikamp
parents:
diff changeset
793
heinrichsweikamp
parents:
diff changeset
794 check_nofly_desat_time3:
heinrichsweikamp
parents:
diff changeset
795 clrf surface_interval+0
heinrichsweikamp
parents:
diff changeset
796 clrf surface_interval+1 ; Clear surface interval timer
heinrichsweikamp
parents:
diff changeset
797 return ; Done.
heinrichsweikamp
parents:
diff changeset
798
heinrichsweikamp
parents:
diff changeset
799 ;=============================================================================
heinrichsweikamp
parents:
diff changeset
800
heinrichsweikamp
parents:
diff changeset
801 isr_restore_clock:
heinrichsweikamp
parents:
diff changeset
802 banksel isr_backup
heinrichsweikamp
parents:
diff changeset
803 movff speed_setting,isr1_temp ; Copy to Bank0
heinrichsweikamp
parents:
diff changeset
804 movlw d'1'
heinrichsweikamp
parents:
diff changeset
805 cpfseq isr1_temp
heinrichsweikamp
parents:
diff changeset
806 bra isr_restore_speed2
heinrichsweikamp
parents:
diff changeset
807 ; Reset to eco
heinrichsweikamp
parents:
diff changeset
808 movlw b'00000000'
heinrichsweikamp
parents:
diff changeset
809 movwf OSCTUNE ; 4x PLL Disable (Bit6) - only works with 8 or 16MHz (=32 or 64MHz)
heinrichsweikamp
parents:
diff changeset
810 movlw b'00110010'
heinrichsweikamp
parents:
diff changeset
811 movwf OSCCON ; 1MHz INTOSC
heinrichsweikamp
parents:
diff changeset
812 movlw T2CON_ECO
heinrichsweikamp
parents:
diff changeset
813 movwf T2CON
heinrichsweikamp
parents:
diff changeset
814 bra isr_restore_exit
heinrichsweikamp
parents:
diff changeset
815 isr_restore_speed2:
heinrichsweikamp
parents:
diff changeset
816 movlw d'2'
heinrichsweikamp
parents:
diff changeset
817 cpfseq isr1_temp
heinrichsweikamp
parents:
diff changeset
818 bra isr_restore_speed3
heinrichsweikamp
parents:
diff changeset
819 ; Reset to normal
heinrichsweikamp
parents:
diff changeset
820 movlw b'01110010'
heinrichsweikamp
parents:
diff changeset
821 movwf OSCCON ; 16MHz INTOSC
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 T2CON_NORMAL
heinrichsweikamp
parents:
diff changeset
825 movwf T2CON
heinrichsweikamp
parents:
diff changeset
826 bra isr_restore_exit
heinrichsweikamp
parents:
diff changeset
827
heinrichsweikamp
parents:
diff changeset
828 isr_restore_speed3:
heinrichsweikamp
parents:
diff changeset
829 ; Reset to fastest
heinrichsweikamp
parents:
diff changeset
830 movlw b'01110010' ; 16MHz INTOSC
heinrichsweikamp
parents:
diff changeset
831 movwf OSCCON
heinrichsweikamp
parents:
diff changeset
832 movlw b'01000000'
heinrichsweikamp
parents:
diff changeset
833 movwf OSCTUNE ; 4x PLL Enable (Bit6) - only works with 8 or 16MHz (=32 or 64MHz)
heinrichsweikamp
parents:
diff changeset
834 movlw T2CON_FASTEST
heinrichsweikamp
parents:
diff changeset
835 movwf T2CON
heinrichsweikamp
parents:
diff changeset
836 ; bra isr_restore_exit
heinrichsweikamp
parents:
diff changeset
837 isr_restore_exit:
heinrichsweikamp
parents:
diff changeset
838 btfss OSCCON,HFIOFS
heinrichsweikamp
parents:
diff changeset
839 bra isr_restore_exit ; loop until PLL is stable
heinrichsweikamp
parents:
diff changeset
840 return
heinrichsweikamp
parents:
diff changeset
841
heinrichsweikamp
parents:
diff changeset
842 END