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annotate src/isr.asm @ 148:022b886eddaf

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some cleanup
author heinrichsweikamp
date Wed, 06 Aug 2014 17:38:31 +0200
parents fdd4e30846ae
children 19ad15f04f60
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
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47 ; IR-Link
113
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48 btfsc PIR3,RC2IF ; UART2
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49 rcall isr_uart2 ; IR-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
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67 isr_uart2: ; IR-Link
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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
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73 incf ir_counter,F ; Increase counter
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74 movff ir_counter,isr1_temp ; Copy
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75 dcfsnz isr1_temp,F
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76 movwf ir_buffer+.0
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77 dcfsnz isr1_temp,F
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78 movwf ir_buffer+.1
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79 dcfsnz isr1_temp,F
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80 movwf ir_buffer+.2
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81 dcfsnz isr1_temp,F
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82 movwf ir_buffer+.3
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83 dcfsnz isr1_temp,F
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84 movwf ir_buffer+.4
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85 dcfsnz isr1_temp,F
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86 movwf ir_buffer+.5
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87 dcfsnz isr1_temp,F
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88 movwf ir_buffer+.6
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89 dcfsnz isr1_temp,F
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90 movwf ir_buffer+.7
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91 dcfsnz isr1_temp,F
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92 movwf ir_buffer+.8
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93 dcfsnz isr1_temp,F
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94 movwf ir_buffer+.9
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95 dcfsnz isr1_temp,F
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96 movwf ir_buffer+.10
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97 dcfsnz isr1_temp,F
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98 movwf ir_buffer+.11
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99 dcfsnz isr1_temp,F
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100 movwf ir_buffer+.12
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101 dcfsnz isr1_temp,F
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102 movwf ir_buffer+.13
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103 dcfsnz isr1_temp,F
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104 movwf ir_buffer+.14
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105 dcfsnz isr1_temp,F
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106 movwf ir_buffer+.15
113
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107 dcfsnz isr1_temp,F
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108 movwf ir_buffer+.16
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109 dcfsnz isr1_temp,F
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110 movwf ir_buffer+.17
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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
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118 isr_timer3: ; IR-Link Timeout
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119 bcf T3CON,TMR3ON ; Stop Timer3
113
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120 movff ir_counter,char_I_extra_time
0
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121 banksel isr_backup ; Select Bank0 for ISR data.
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122 movlw .15
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123 cpfseq ir_counter ; Got exact 15bytes?
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124 bra isr_timer3_1 ; No, test for 16bytes
113
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125 bra isr_timer3_ir ; Got 15 bytes, compute local checksum
0
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126 isr_timer3_1:
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127 movlw .16
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128 cpfseq ir_counter ; Got exact 16bytes?
113
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129 bra isr_timer3_2 ; No, test for 17bytes
0
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130 tstfsz ir_buffer+.15 ; Last byte=0x00
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131 bra isr_timer3_exit ; No, exit
113
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132 bra isr_timer3_ir ; Got 16 bytes, compute local checksum
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133 isr_timer3_2:
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134 movlw .17
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135 cpfseq ir_counter ; Got exact 17bytes?
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136 bra isr_timer3_exit ; No, exit
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137 bra isr_timer3_s8 ; S8 data
0
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138
113
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139 isr_timer3_ir: ; IR input
0
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140 movff ir_buffer+.0,PRODL
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141 clrf PRODH
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142 movf ir_buffer+.1,W
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143 rcall isr_timer3_checksum
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144 movf ir_buffer+.2,W
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145 rcall isr_timer3_checksum
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146 movf ir_buffer+.3,W
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147 rcall isr_timer3_checksum
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148 movf ir_buffer+.4,W
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149 rcall isr_timer3_checksum
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150 movf ir_buffer+.5,W
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151 rcall isr_timer3_checksum
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152 movf ir_buffer+.6,W
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153 rcall isr_timer3_checksum
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154 movf ir_buffer+.7,W
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155 rcall isr_timer3_checksum
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156 movf ir_buffer+.8,W
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157 rcall isr_timer3_checksum
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158 movf ir_buffer+.9,W
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159 rcall isr_timer3_checksum
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160 movf ir_buffer+.10,W
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161 rcall isr_timer3_checksum
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162 movf ir_buffer+.11,W
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163 rcall isr_timer3_checksum
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164 movf ir_buffer+.12,W
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165 rcall isr_timer3_checksum
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166
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167 ; Compare checksum
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168 movf ir_buffer+.13,W
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169 cpfseq PRODL ; Checksum ok?
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170 bra isr_timer3_exit ; No, exit
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171 movf ir_buffer+.14,W
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172 cpfseq PRODH ; Checksum ok?
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173 bra isr_timer3_exit ; No, exit
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174
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175 ; Checksum OK, copy results
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176 movff ir_buffer+.1,hud_status_byte
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177 movff ir_buffer+.2,o2_mv_sensor1+0
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178 movff ir_buffer+.3,o2_mv_sensor1+1
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179 movff ir_buffer+.4,o2_mv_sensor2+0
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180 movff ir_buffer+.5,o2_mv_sensor2+1
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181 movff ir_buffer+.6,o2_mv_sensor3+0
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182 movff ir_buffer+.7,o2_mv_sensor3+1
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183 movff ir_buffer+.8,o2_ppo2_sensor1
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184 movff ir_buffer+.9,o2_ppo2_sensor2
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185 movff ir_buffer+.10,o2_ppo2_sensor3
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186 movff ir_buffer+.11,hud_battery_mv+0
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187 movff ir_buffer+.12,hud_battery_mv+1
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188
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189 movlw ir_timeout_value ; multiples of 62,5ms
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190 movwf ir_timeout ; Reload timeout
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191
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192 isr_timer3_exit:
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193 clrf ir_counter ; Clear pointer
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194 bcf PIR2,TMR3IF ; Clear flag
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195 return
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196
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197 isr_timer3_checksum:
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198 addwf PRODL,F
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199 movlw .0
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200 addwfc PRODH,F
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201 return
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202
113
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203 isr_timer3_s8: ; IR input
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204 movff ir_buffer+.0,PRODL
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205 clrf PRODH
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206 movf ir_buffer+.1,W
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207 rcall isr_timer3_checksum
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208 movf ir_buffer+.2,W
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209 rcall isr_timer3_checksum
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210 movf ir_buffer+.3,W
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211 rcall isr_timer3_checksum
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212 movf ir_buffer+.4,W
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213 rcall isr_timer3_checksum
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214 movf ir_buffer+.5,W
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215 rcall isr_timer3_checksum
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216 movf ir_buffer+.6,W
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217 rcall isr_timer3_checksum
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218 movf ir_buffer+.7,W
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219 rcall isr_timer3_checksum
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220 movf ir_buffer+.8,W
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221 rcall isr_timer3_checksum
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222 movf ir_buffer+.9,W
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223 rcall isr_timer3_checksum
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224 movf ir_buffer+.10,W
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225 rcall isr_timer3_checksum
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226 movf ir_buffer+.11,W
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227 rcall isr_timer3_checksum
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228 movf ir_buffer+.12,W
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229 rcall isr_timer3_checksum
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230 movf ir_buffer+.13,W
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231 rcall isr_timer3_checksum
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232 movf ir_buffer+.14,W
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233 rcall isr_timer3_checksum
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234
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235 ; Compare checksum
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236 movf ir_buffer+.15,W
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237 cpfseq PRODL ; Checksum ok?
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238 bra isr_timer3_exit ; No, exit
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239 movf ir_buffer+.16,W
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240 cpfseq PRODH ; Checksum ok?
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241 bra isr_timer3_exit ; No, exit
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242
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243 ; Checksum OK, copy results
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244 movff ir_buffer+.3,hud_status_byte
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245 movff ir_buffer+.13,hud_battery_mv+0
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246 movff ir_buffer+.14,hud_battery_mv+1
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247
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248 banksel common
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249 bsf new_s8_data_available ; set flag
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250 banksel ir_timeout
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251
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252 movlw ir_timeout_value ; multiples of 62,5ms
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253 movwf ir_timeout ; Reload timeout
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254 bra isr_timer3_exit ; Exit
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255
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256
0
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257 ;=============================================================================
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258
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259 isr_tmr7: ; each 62,5ms
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260 bcf PIR5,TMR7IF ; clear flag
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261 banksel 0xF16 ; Addresses, F16h through F5Fh, are also used by SFRs, but are not part of the Access RAM.
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262 movlw .248
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263 movwf TMR7H ; -> Rollover after 2048 cycles -> 62,5ms
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264
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265 banksel isr_backup
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266 movf max_CCPR1L,W ; Dimm value
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267 cpfseq CCPR1L ; = current PWM value?
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268 rcall isr_dimm_tft ; No, adjust until max_CCPR1L=CCPR1L !
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269
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270 banksel isr_backup
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271 decfsz ir_timeout,F ; IR Data still valid?
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272 bra isr_tmr7_2 ; Yes, continue
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273 ; timeout, clear IR-Data
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274
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275 movlw ir_timeout_value ; multiples of 62,5ms
heinrichsweikamp
parents:
diff changeset
276 movwf ir_timeout ; Reload timeout
heinrichsweikamp
parents:
diff changeset
277
heinrichsweikamp
parents:
diff changeset
278 banksel common
113
heinrichsweikamp
parents: 50
diff changeset
279 btfss c3_hardware
heinrichsweikamp
parents: 50
diff changeset
280 bra isr_tmr7_1a ; Always with normal ostc3 hardware
heinrichsweikamp
parents: 50
diff changeset
281 btfss s8_digital
heinrichsweikamp
parents: 50
diff changeset
282 bra isr_tmr7_2 ; only when digital
heinrichsweikamp
parents: 50
diff changeset
283 isr_tmr7_1a:
0
heinrichsweikamp
parents:
diff changeset
284 clrf o2_mv_sensor1+0
heinrichsweikamp
parents:
diff changeset
285 clrf o2_mv_sensor1+1
heinrichsweikamp
parents:
diff changeset
286 clrf o2_mv_sensor2+0
heinrichsweikamp
parents:
diff changeset
287 clrf o2_mv_sensor2+1
heinrichsweikamp
parents:
diff changeset
288 clrf o2_mv_sensor3+0
heinrichsweikamp
parents:
diff changeset
289 clrf o2_mv_sensor3+1
heinrichsweikamp
parents:
diff changeset
290 clrf hud_battery_mv+0
heinrichsweikamp
parents:
diff changeset
291 clrf hud_battery_mv+1
heinrichsweikamp
parents:
diff changeset
292 clrf hud_status_byte
heinrichsweikamp
parents:
diff changeset
293 clrf o2_ppo2_sensor1
heinrichsweikamp
parents:
diff changeset
294 clrf o2_ppo2_sensor2
heinrichsweikamp
parents:
diff changeset
295 clrf o2_ppo2_sensor3
heinrichsweikamp
parents:
diff changeset
296
heinrichsweikamp
parents:
diff changeset
297 isr_tmr7_2:
heinrichsweikamp
parents:
diff changeset
298 banksel common
heinrichsweikamp
parents:
diff changeset
299 btfss no_sensor_int ; No sensor interrupt (because it's addressed during sleep)
heinrichsweikamp
parents:
diff changeset
300 bra isr_sensor_state2 ; No, continue
heinrichsweikamp
parents:
diff changeset
301 banksel isr_backup ; Back to Bank0 ISR data
heinrichsweikamp
parents:
diff changeset
302 return
heinrichsweikamp
parents:
diff changeset
303
heinrichsweikamp
parents:
diff changeset
304 isr_set_speed_to_normal:
heinrichsweikamp
parents:
diff changeset
305 ; Set Speed to normal
heinrichsweikamp
parents:
diff changeset
306 movlw b'01110010'
heinrichsweikamp
parents:
diff changeset
307 movwf OSCCON ; 16MHz INTOSC
heinrichsweikamp
parents:
diff changeset
308 movlw b'00000000'
heinrichsweikamp
parents:
diff changeset
309 movwf OSCTUNE ; 4x PLL Disable (Bit6) - only works with 8 or 16MHz (=32 or 64MHz)
heinrichsweikamp
parents:
diff changeset
310 movlw b'00001101' ; 1:2 Postscaler, 1:4 Prescaler, Timer 2 start -> 1960Hz (no-flicker)
heinrichsweikamp
parents:
diff changeset
311 movwf T2CON
heinrichsweikamp
parents:
diff changeset
312 btfss OSCCON,HFIOFS
heinrichsweikamp
parents:
diff changeset
313 bra $-2 ; Wait until clock is stable
heinrichsweikamp
parents:
diff changeset
314 return
heinrichsweikamp
parents:
diff changeset
315
heinrichsweikamp
parents:
diff changeset
316 isr_sensor_state2:
heinrichsweikamp
parents:
diff changeset
317 banksel common
heinrichsweikamp
parents:
diff changeset
318 movff sensor_state_counter,WREG
heinrichsweikamp
parents:
diff changeset
319 btfss WREG,0 ; every 1/4 second
heinrichsweikamp
parents:
diff changeset
320 bsf quarter_second_update ; Set flag
heinrichsweikamp
parents:
diff changeset
321 movlw d'2'
heinrichsweikamp
parents:
diff changeset
322 cpfseq speed_setting ; Set to normal in case it's not already in normal speed mode
heinrichsweikamp
parents:
diff changeset
323 rcall isr_set_speed_to_normal
heinrichsweikamp
parents:
diff changeset
324 banksel isr_backup ; Back to Bank0 ISR data
heinrichsweikamp
parents:
diff changeset
325
heinrichsweikamp
parents:
diff changeset
326 incf sensor_state_counter,F ; counts to eight for state maschine
heinrichsweikamp
parents:
diff changeset
327
heinrichsweikamp
parents:
diff changeset
328 ; State 1: Clear flags and average registers, get temperature (51us) and start pressure integration (73,5us)
heinrichsweikamp
parents:
diff changeset
329 ; State 2: Get pressure (51us), start temperature integration (73,5us) and calculate temperature compensated pressure (233us)
heinrichsweikamp
parents:
diff changeset
330 ; State 3: Get temperature (51us) and start pressure integration (73,5us)
heinrichsweikamp
parents:
diff changeset
331 ; State 4: Get pressure (51us), start temperature integration (73,5us) and calculate temperature compensated pressure (233us)
heinrichsweikamp
parents:
diff changeset
332 ; State 5: Get temperature (51us) and start pressure integration (73,5us)
heinrichsweikamp
parents:
diff changeset
333 ; State 6: Get pressure (51us), start temperature integration (73,5us) and calculate temperature compensated pressure (233us)
heinrichsweikamp
parents:
diff changeset
334 ; State 7: Get temperature (51us) and start pressure integration (73,5us)
heinrichsweikamp
parents:
diff changeset
335 ; 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
336
heinrichsweikamp
parents:
diff changeset
337 movff sensor_state_counter,WREG ; WREG used as temp here...
heinrichsweikamp
parents:
diff changeset
338 dcfsnz WREG,F
heinrichsweikamp
parents:
diff changeset
339 bra sensor_int_state1_plus_restart ; Do State 1
heinrichsweikamp
parents:
diff changeset
340 dcfsnz WREG,F
heinrichsweikamp
parents:
diff changeset
341 bra sensor_int_state2 ; Do State 2
heinrichsweikamp
parents:
diff changeset
342 dcfsnz WREG,F
heinrichsweikamp
parents:
diff changeset
343 bra sensor_int_state1 ; Do State 3
heinrichsweikamp
parents:
diff changeset
344 dcfsnz WREG,F
heinrichsweikamp
parents:
diff changeset
345 bra sensor_int_state2 ; Do State 4
heinrichsweikamp
parents:
diff changeset
346 dcfsnz WREG,F
heinrichsweikamp
parents:
diff changeset
347 bra sensor_int_state1 ; Do State 5
heinrichsweikamp
parents:
diff changeset
348 dcfsnz WREG,F
heinrichsweikamp
parents:
diff changeset
349 bra sensor_int_state2 ; Do State 6
heinrichsweikamp
parents:
diff changeset
350 dcfsnz WREG,F
heinrichsweikamp
parents:
diff changeset
351 bra sensor_int_state1 ; Do State 7
heinrichsweikamp
parents:
diff changeset
352 ; bra sensor_int2_plus_average ; Do State 8
heinrichsweikamp
parents:
diff changeset
353 ;sensor_int2_plus_average:
heinrichsweikamp
parents:
diff changeset
354 ; First, do state2:
heinrichsweikamp
parents:
diff changeset
355 call get_pressure_value ; State2: Get pressure (51us)
heinrichsweikamp
parents:
diff changeset
356 call get_temperature_start ; and start temperature integration (73,5us)
heinrichsweikamp
parents:
diff changeset
357 call calculate_compensation ; calculate temperature compensated pressure (27us)
heinrichsweikamp
parents:
diff changeset
358 ; Build average
heinrichsweikamp
parents:
diff changeset
359 bcf STATUS,C ; clear carry bit.
heinrichsweikamp
parents:
diff changeset
360 rrcf amb_pressure_avg+1 ; amb_pressure sum / 2
heinrichsweikamp
parents:
diff changeset
361 rrcf amb_pressure_avg+0
heinrichsweikamp
parents:
diff changeset
362 bcf STATUS,C ; clear carry bit, twice.
heinrichsweikamp
parents:
diff changeset
363 rrcf amb_pressure_avg+1 ; amb_pressure sum / 4
heinrichsweikamp
parents:
diff changeset
364 rrcf amb_pressure_avg+0
heinrichsweikamp
parents:
diff changeset
365
heinrichsweikamp
parents:
diff changeset
366 ; ; Even more averaging
heinrichsweikamp
parents:
diff changeset
367 ; movf amb_pressure_avg+0,W
heinrichsweikamp
parents:
diff changeset
368 ; addwf amb_pressure+0
heinrichsweikamp
parents:
diff changeset
369 ; movf amb_pressure_avg+1,W
heinrichsweikamp
parents:
diff changeset
370 ; addwfc amb_pressure+1
heinrichsweikamp
parents:
diff changeset
371 ; bcf STATUS,C ; clear carry bit
heinrichsweikamp
parents:
diff changeset
372 ; rrcf amb_pressure+1 ; amb_pressure sum / 2
heinrichsweikamp
parents:
diff changeset
373 ; rrcf amb_pressure+0
heinrichsweikamp
parents:
diff changeset
374
heinrichsweikamp
parents:
diff changeset
375 movff amb_pressure_avg+1,amb_pressure+1 ; copy into actual register
heinrichsweikamp
parents:
diff changeset
376 movff amb_pressure_avg+0,amb_pressure+0
heinrichsweikamp
parents:
diff changeset
377
heinrichsweikamp
parents:
diff changeset
378 bcf STATUS,C
heinrichsweikamp
parents:
diff changeset
379 btfsc temperature_avg+1,7 ; Copy sign bit to carry
heinrichsweikamp
parents:
diff changeset
380 bsf STATUS,C
heinrichsweikamp
parents:
diff changeset
381 rrcf temperature_avg+1 ; Signed temperature /2
heinrichsweikamp
parents:
diff changeset
382 rrcf temperature_avg+0
heinrichsweikamp
parents:
diff changeset
383 bcf STATUS,C
heinrichsweikamp
parents:
diff changeset
384 btfsc temperature_avg+1,7 ; Copy sign bit to carry
heinrichsweikamp
parents:
diff changeset
385 bsf STATUS,C
heinrichsweikamp
parents:
diff changeset
386 rrcf temperature_avg+1 ; Signed temperature /4
heinrichsweikamp
parents:
diff changeset
387 rrcf temperature_avg+0
heinrichsweikamp
parents:
diff changeset
388
heinrichsweikamp
parents:
diff changeset
389 movff temperature_avg+1,temperature+1 ; copy into actual register
heinrichsweikamp
parents:
diff changeset
390 movff temperature_avg+0,temperature+0
heinrichsweikamp
parents:
diff changeset
391
heinrichsweikamp
parents:
diff changeset
392 banksel common ; flag1 is in Bank1
heinrichsweikamp
parents:
diff changeset
393 bcf temp_changed ; Clear flag for temperature update
heinrichsweikamp
parents:
diff changeset
394 bcf pressure_refresh ; Clear flag for pressure update
heinrichsweikamp
parents:
diff changeset
395 banksel isr_backup ; Back to Bank0 ISR data
heinrichsweikamp
parents:
diff changeset
396
heinrichsweikamp
parents:
diff changeset
397 ; Temp changed?
heinrichsweikamp
parents:
diff changeset
398 movf temperature+0,W
heinrichsweikamp
parents:
diff changeset
399 cpfseq last_temperature+0
heinrichsweikamp
parents:
diff changeset
400 bra isr_sensor_state2_2 ; Yes
heinrichsweikamp
parents:
diff changeset
401 movf temperature+1,W
heinrichsweikamp
parents:
diff changeset
402 cpfseq last_temperature+1
heinrichsweikamp
parents:
diff changeset
403 bra isr_sensor_state2_2 ; Yes
heinrichsweikamp
parents:
diff changeset
404
heinrichsweikamp
parents:
diff changeset
405 bra isr_sensor_state2_3 ; no change
heinrichsweikamp
parents:
diff changeset
406
heinrichsweikamp
parents:
diff changeset
407 isr_sensor_state2_2:
heinrichsweikamp
parents:
diff changeset
408 banksel common ; flag1 is in Bank1
heinrichsweikamp
parents:
diff changeset
409 bsf temp_changed ; Yes
heinrichsweikamp
parents:
diff changeset
410 banksel isr_backup ; Back to Bank0 ISR data
heinrichsweikamp
parents:
diff changeset
411 isr_sensor_state2_3:
heinrichsweikamp
parents:
diff changeset
412 movff temperature+0,last_temperature+0 ; Copy for compare
heinrichsweikamp
parents:
diff changeset
413 movff temperature+1,last_temperature+1
heinrichsweikamp
parents:
diff changeset
414
heinrichsweikamp
parents:
diff changeset
415 movf amb_pressure+0,W
heinrichsweikamp
parents:
diff changeset
416 cpfseq last_pressure+0
heinrichsweikamp
parents:
diff changeset
417 bra isr_sensor_state2_4 ; Yes
heinrichsweikamp
parents:
diff changeset
418 movf amb_pressure+1,W
heinrichsweikamp
parents:
diff changeset
419 cpfseq last_pressure+1
heinrichsweikamp
parents:
diff changeset
420 bra isr_sensor_state2_4 ; Yes
heinrichsweikamp
parents:
diff changeset
421
heinrichsweikamp
parents:
diff changeset
422 bra isr_sensor_state2_5 ; No change
heinrichsweikamp
parents:
diff changeset
423 isr_sensor_state2_4:
heinrichsweikamp
parents:
diff changeset
424 banksel common ; flag1 is in Bank1
heinrichsweikamp
parents:
diff changeset
425 bsf pressure_refresh ; Yes
heinrichsweikamp
parents:
diff changeset
426 banksel isr_backup ; Back to Bank0 ISR data
heinrichsweikamp
parents:
diff changeset
427 isr_sensor_state2_5:
heinrichsweikamp
parents:
diff changeset
428 movff amb_pressure+0,last_pressure+0 ; Copy for compare
heinrichsweikamp
parents:
diff changeset
429 movff amb_pressure+1,last_pressure+1
heinrichsweikamp
parents:
diff changeset
430
heinrichsweikamp
parents:
diff changeset
431 clrf sensor_state_counter ; Then reset State counter
heinrichsweikamp
parents:
diff changeset
432 btfss simulatormode_active ; are we in simulator mode?
heinrichsweikamp
parents:
diff changeset
433 bra comp_air_pressure ; no
heinrichsweikamp
parents:
diff changeset
434 comp_air_pressure0:
heinrichsweikamp
parents:
diff changeset
435 movlw LOW d'1000' ; yes, so simulate 1000mbar surface pressure
heinrichsweikamp
parents:
diff changeset
436 movwf last_surfpressure+0
heinrichsweikamp
parents:
diff changeset
437 movlw HIGH d'1000'
heinrichsweikamp
parents:
diff changeset
438 movwf last_surfpressure+1
heinrichsweikamp
parents:
diff changeset
439 ; Always set pressure_refresh flag in simulator mode
heinrichsweikamp
parents:
diff changeset
440 banksel common ; flag1 is in Bank1
heinrichsweikamp
parents:
diff changeset
441 bsf pressure_refresh ; Yes
heinrichsweikamp
parents:
diff changeset
442 banksel isr_backup ; Back to Bank0 ISR data
heinrichsweikamp
parents:
diff changeset
443
heinrichsweikamp
parents:
diff changeset
444 comp_air_pressure:
heinrichsweikamp
parents:
diff changeset
445 movf last_surfpressure+0,W ; compensate airpressure
heinrichsweikamp
parents:
diff changeset
446 subwf amb_pressure+0,W
heinrichsweikamp
parents:
diff changeset
447 movwf rel_pressure+0 ; rel_pressure stores depth!
heinrichsweikamp
parents:
diff changeset
448
heinrichsweikamp
parents:
diff changeset
449 movf last_surfpressure+1,W
heinrichsweikamp
parents:
diff changeset
450 subwfb amb_pressure+1,W
heinrichsweikamp
parents:
diff changeset
451 movwf rel_pressure+1
heinrichsweikamp
parents:
diff changeset
452 btfss STATUS,N ; result is below zero?
heinrichsweikamp
parents:
diff changeset
453 bra sensor_int_state_exit
heinrichsweikamp
parents:
diff changeset
454 clrf rel_pressure+0 ; Yes, do not display negative depths
heinrichsweikamp
parents:
diff changeset
455 clrf rel_pressure+1 ; e.g. when surface air pressure dropped during the dive
heinrichsweikamp
parents:
diff changeset
456 bra sensor_int_state_exit
heinrichsweikamp
parents:
diff changeset
457
heinrichsweikamp
parents:
diff changeset
458 sensor_int_state1_plus_restart:
heinrichsweikamp
parents:
diff changeset
459 clrf amb_pressure_avg+0 ; pressure average registers
heinrichsweikamp
parents:
diff changeset
460 clrf amb_pressure_avg+1
heinrichsweikamp
parents:
diff changeset
461 clrf temperature_avg+0
heinrichsweikamp
parents:
diff changeset
462 clrf temperature_avg+1
heinrichsweikamp
parents:
diff changeset
463
heinrichsweikamp
parents:
diff changeset
464 sensor_int_state1:
heinrichsweikamp
parents:
diff changeset
465 call get_temperature_value ; State 1: Get temperature
heinrichsweikamp
parents:
diff changeset
466 call get_pressure_start ; and start pressure integration.
heinrichsweikamp
parents:
diff changeset
467 bra sensor_int_state_exit
heinrichsweikamp
parents:
diff changeset
468
heinrichsweikamp
parents:
diff changeset
469 sensor_int_state2:
heinrichsweikamp
parents:
diff changeset
470 call get_pressure_value ; State2: Get pressure (51us)
heinrichsweikamp
parents:
diff changeset
471 call get_temperature_start ; and start temperature integration (73,5us)
heinrichsweikamp
parents:
diff changeset
472 call calculate_compensation ; calculate temperature compensated pressure (233us)
heinrichsweikamp
parents:
diff changeset
473 ; bra sensor_int_state_exit
heinrichsweikamp
parents:
diff changeset
474 sensor_int_state_exit:
heinrichsweikamp
parents:
diff changeset
475 rcall isr_restore_clock ; Restore clock
heinrichsweikamp
parents:
diff changeset
476 return
heinrichsweikamp
parents:
diff changeset
477 ;=============================================================================
heinrichsweikamp
parents:
diff changeset
478
heinrichsweikamp
parents:
diff changeset
479 isr_dimm_tft: ; Adjust until max_CCPR1L=CCPR1L !
heinrichsweikamp
parents:
diff changeset
480 banksel common
heinrichsweikamp
parents:
diff changeset
481 btfsc tft_is_dimming ; Ignore while dimming
heinrichsweikamp
parents:
diff changeset
482 return
heinrichsweikamp
parents:
diff changeset
483 banksel isr_backup
heinrichsweikamp
parents:
diff changeset
484 movf max_CCPR1L,W
heinrichsweikamp
parents:
diff changeset
485 cpfsgt CCPR1L ; CCPR1L>max_CCPR1L?
heinrichsweikamp
parents:
diff changeset
486 bra isr_dimm_tft2 ; No, dimm up
heinrichsweikamp
parents:
diff changeset
487 ; dimm down
heinrichsweikamp
parents:
diff changeset
488 decf CCPR1L,F ; -1
heinrichsweikamp
parents:
diff changeset
489 return
heinrichsweikamp
parents:
diff changeset
490 isr_dimm_tft2:
heinrichsweikamp
parents:
diff changeset
491 movf max_CCPR1L,W
31
53a09c1b7410 BUGFIX: alternating brightness at very low ambient light
heinrichsweikamp
parents: 30
diff changeset
492 sublw ambient_light_min_eco
53a09c1b7410 BUGFIX: alternating brightness at very low ambient light
heinrichsweikamp
parents: 30
diff changeset
493 cpfsgt CCPR1L ; CCPR1L>max_CCPR1L-ambient_light_min_eco?
0
heinrichsweikamp
parents:
diff changeset
494 bra isr_dimm_tft3 ; No, dimm up slow
heinrichsweikamp
parents:
diff changeset
495 ; dimm up faster
heinrichsweikamp
parents:
diff changeset
496 movlw .5
heinrichsweikamp
parents:
diff changeset
497 addwf CCPR1L,F
heinrichsweikamp
parents:
diff changeset
498 isr_dimm_tft3:
heinrichsweikamp
parents:
diff changeset
499 incf CCPR1L,F ; +1
heinrichsweikamp
parents:
diff changeset
500 return
heinrichsweikamp
parents:
diff changeset
501
heinrichsweikamp
parents:
diff changeset
502
heinrichsweikamp
parents:
diff changeset
503 isr_rtcc: ; each second
heinrichsweikamp
parents:
diff changeset
504 bcf PIR3,RTCCIF ; clear flag
heinrichsweikamp
parents:
diff changeset
505 banksel 0xF16 ; Addresses, F16h through F5Fh, are also used by SFRs, but are not part of the Access RAM.
heinrichsweikamp
parents:
diff changeset
506 bsf RTCCFG,RTCPTR1
heinrichsweikamp
parents:
diff changeset
507 bsf RTCCFG,RTCPTR0 ; year
heinrichsweikamp
parents:
diff changeset
508 movff RTCVALL,year ; format is BCD!
heinrichsweikamp
parents:
diff changeset
509 movff RTCVALH,day ; dummy read
heinrichsweikamp
parents:
diff changeset
510 movff RTCVALL,day ; format is BCD!
heinrichsweikamp
parents:
diff changeset
511 movff RTCVALH,month ; format is BCD!
heinrichsweikamp
parents:
diff changeset
512 movff RTCVALL,hours ; format is BCD!
heinrichsweikamp
parents:
diff changeset
513 movff RTCVALH,secs ; format is BCD!
heinrichsweikamp
parents:
diff changeset
514 movff RTCVALL,secs ; format is BCD!
heinrichsweikamp
parents:
diff changeset
515 movff RTCVALH,mins ; format is BCD!
heinrichsweikamp
parents:
diff changeset
516 banksel isr_backup ; Back to Bank0 ISR data
heinrichsweikamp
parents:
diff changeset
517
heinrichsweikamp
parents:
diff changeset
518 ; Convert BCD to DEC and set registers
heinrichsweikamp
parents:
diff changeset
519 movff mins, 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,mins
heinrichsweikamp
parents:
diff changeset
522 movff secs, 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,secs
heinrichsweikamp
parents:
diff changeset
525 movff hours, 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,hours
heinrichsweikamp
parents:
diff changeset
528 movff month, 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,month
heinrichsweikamp
parents:
diff changeset
531 movff day, isr1_temp
heinrichsweikamp
parents:
diff changeset
532 rcall isr_rtcc_convert ; Converts to dec with result in WREG
heinrichsweikamp
parents:
diff changeset
533 movff WREG,day
heinrichsweikamp
parents:
diff changeset
534 movff year, isr1_temp
heinrichsweikamp
parents:
diff changeset
535 rcall isr_rtcc_convert ; Converts to dec with result in WREG
heinrichsweikamp
parents:
diff changeset
536 movff WREG,year
heinrichsweikamp
parents:
diff changeset
537
heinrichsweikamp
parents:
diff changeset
538 ; Place once/second tasks for ISR here (Be sure of the right bank!)
heinrichsweikamp
parents:
diff changeset
539 banksel common ; flag1 is in Bank1
heinrichsweikamp
parents:
diff changeset
540 btfss sleepmode ; in Sleepmode?
heinrichsweikamp
parents:
diff changeset
541 call get_ambient_level ; No, get ambient light level and set max_CCPR1L
heinrichsweikamp
parents:
diff changeset
542
heinrichsweikamp
parents:
diff changeset
543 rcall isr_battery_gauge ; Add amount of battery consumption to battery_gauge:6
heinrichsweikamp
parents:
diff changeset
544
heinrichsweikamp
parents:
diff changeset
545 banksel common ; flag1 is in Bank1
heinrichsweikamp
parents:
diff changeset
546 bsf onesecupdate ; A new second has begun
heinrichsweikamp
parents:
diff changeset
547 btfsc divemode ; in divemode?
heinrichsweikamp
parents:
diff changeset
548 rcall isr_divemode_1sec ; Yes, do some divemode stuff in bank common
heinrichsweikamp
parents:
diff changeset
549
heinrichsweikamp
parents:
diff changeset
550 tstfsz secs ; Secs == 0 ?
heinrichsweikamp
parents:
diff changeset
551 return ; No, Done.
heinrichsweikamp
parents:
diff changeset
552
heinrichsweikamp
parents:
diff changeset
553 bsf oneminupdate ; A new minute has begun
heinrichsweikamp
parents:
diff changeset
554
heinrichsweikamp
parents:
diff changeset
555 btfss divemode ; In Divemode?
heinrichsweikamp
parents:
diff changeset
556 rcall check_nofly_desat_time ; No, so reduce NoFly and Desat and increase interval
heinrichsweikamp
parents:
diff changeset
557
heinrichsweikamp
parents:
diff changeset
558 ; Check if a new hour has just begun
heinrichsweikamp
parents:
diff changeset
559 tstfsz mins ; mins=0?
heinrichsweikamp
parents:
diff changeset
560 bra isr_rtcc2 ; No
heinrichsweikamp
parents:
diff changeset
561 bsf onehourupdate ; Yes, set flag
heinrichsweikamp
parents:
diff changeset
562
heinrichsweikamp
parents:
diff changeset
563 isr_rtcc2:
heinrichsweikamp
parents:
diff changeset
564 banksel isr_backup ; Back to Bank0 ISR data
heinrichsweikamp
parents:
diff changeset
565 return ; Done.
heinrichsweikamp
parents:
diff changeset
566
heinrichsweikamp
parents:
diff changeset
567 isr_battery_gauge:
heinrichsweikamp
parents:
diff changeset
568 banksel isr_backup ; Bank0 ISR data
heinrichsweikamp
parents:
diff changeset
569 movlw current_sleepmode ; 100µA/3600 -> nAs (Sleepmode current)
heinrichsweikamp
parents:
diff changeset
570 movwf isr1_temp ; Store value (low byte)
heinrichsweikamp
parents:
diff changeset
571 clrf isr2_temp ; High byte
heinrichsweikamp
parents:
diff changeset
572
heinrichsweikamp
parents:
diff changeset
573 banksel common ; flag1 is in Bank1
heinrichsweikamp
parents:
diff changeset
574 btfss sleepmode ; in Sleepmode?
heinrichsweikamp
parents:
diff changeset
575 rcall isr_battery_gauge2 ; No, compute current consumtion value into isr1_temp and isr2_temp
heinrichsweikamp
parents:
diff changeset
576
heinrichsweikamp
parents:
diff changeset
577 banksel isr_backup ; Bank0 ISR data
heinrichsweikamp
parents:
diff changeset
578 movf isr1_temp,W ; 48Bit add of isr1_temp and isr2_temp into battery_gauge:6
heinrichsweikamp
parents:
diff changeset
579 addwf battery_gauge+0,F
heinrichsweikamp
parents:
diff changeset
580 movf isr2_temp,W
heinrichsweikamp
parents:
diff changeset
581 addwfc battery_gauge+1,F
heinrichsweikamp
parents:
diff changeset
582 movlw .0
heinrichsweikamp
parents:
diff changeset
583 addwfc battery_gauge+2,F
heinrichsweikamp
parents:
diff changeset
584 addwfc battery_gauge+3,F
heinrichsweikamp
parents:
diff changeset
585 addwfc battery_gauge+4,F
heinrichsweikamp
parents:
diff changeset
586 addwfc battery_gauge+5,F
heinrichsweikamp
parents:
diff changeset
587 return
heinrichsweikamp
parents:
diff changeset
588
heinrichsweikamp
parents:
diff changeset
589 isr_battery_gauge2:
heinrichsweikamp
parents:
diff changeset
590 ; set consumtion rate in nAs for an one second interval
heinrichsweikamp
parents:
diff changeset
591 ; Example:
heinrichsweikamp
parents:
diff changeset
592 ; movlw LOW .55556 ; 0,2A/3600*1e9s = nAs
heinrichsweikamp
parents:
diff changeset
593 ; movwf isr1_temp ; Low byte
heinrichsweikamp
parents:
diff changeset
594 ; movlw HIGH .55556 ; 0,2A/3600*1e9s = nAs
heinrichsweikamp
parents:
diff changeset
595 ; movwf isr2_temp ; High byte
heinrichsweikamp
parents:
diff changeset
596
heinrichsweikamp
parents:
diff changeset
597 ; Current consumption for LED backlight is 47*CCPR1L+272
heinrichsweikamp
parents:
diff changeset
598 movf CCPR1L,W
heinrichsweikamp
parents:
diff changeset
599 mullw current_backlight_multi
heinrichsweikamp
parents:
diff changeset
600 movlw LOW current_backlight_offset
heinrichsweikamp
parents:
diff changeset
601 addwf PRODL,F
heinrichsweikamp
parents:
diff changeset
602 movlw HIGH current_backlight_offset
heinrichsweikamp
parents:
diff changeset
603 addwfc PRODH,F
heinrichsweikamp
parents:
diff changeset
604 movff PRODL,isr1_temp
heinrichsweikamp
parents:
diff changeset
605 movff PRODH,isr2_temp ; isr1_temp and isr2_temp hold value for backlight
heinrichsweikamp
parents:
diff changeset
606
heinrichsweikamp
parents:
diff changeset
607 ; Add current for CPU and GPU
heinrichsweikamp
parents:
diff changeset
608 ; speed_setting=1: ECO (3,1mA -> 861nAs), =2: NORMAL (5,50mA -> 1528nAs) or =3: FASTEST (8,04mA -> 2233nAs)
heinrichsweikamp
parents:
diff changeset
609 movlw .1
heinrichsweikamp
parents:
diff changeset
610 cpfseq speed_setting
heinrichsweikamp
parents:
diff changeset
611 bra isr_battery_gauge3
heinrichsweikamp
parents:
diff changeset
612 banksel isr_backup ; Bank0 ISR data
heinrichsweikamp
parents:
diff changeset
613 movlw LOW current_speed_eco
heinrichsweikamp
parents:
diff changeset
614 addwf isr1_temp,F
heinrichsweikamp
parents:
diff changeset
615 movlw HIGH current_speed_eco
heinrichsweikamp
parents:
diff changeset
616 addwfc isr2_temp,F
heinrichsweikamp
parents:
diff changeset
617 bra isr_battery_gauge5
heinrichsweikamp
parents:
diff changeset
618 isr_battery_gauge3:
heinrichsweikamp
parents:
diff changeset
619 movlw .2
heinrichsweikamp
parents:
diff changeset
620 cpfseq speed_setting
heinrichsweikamp
parents:
diff changeset
621 bra isr_battery_gauge4
heinrichsweikamp
parents:
diff changeset
622 banksel isr_backup ; Bank0 ISR data
heinrichsweikamp
parents:
diff changeset
623 movlw LOW current_speed_normal
heinrichsweikamp
parents:
diff changeset
624 addwf isr1_temp,F
heinrichsweikamp
parents:
diff changeset
625 movlw HIGH current_speed_normal
heinrichsweikamp
parents:
diff changeset
626 addwfc isr2_temp,F
heinrichsweikamp
parents:
diff changeset
627 bra isr_battery_gauge5
heinrichsweikamp
parents:
diff changeset
628 isr_battery_gauge4:
heinrichsweikamp
parents:
diff changeset
629 ; movlw .3
heinrichsweikamp
parents:
diff changeset
630 ; cpfseq speed_setting
heinrichsweikamp
parents:
diff changeset
631 ; bra isr_battery_gauge5
heinrichsweikamp
parents:
diff changeset
632 banksel isr_backup ; Bank0 ISR data
heinrichsweikamp
parents:
diff changeset
633 movlw LOW current_speed_fastest
heinrichsweikamp
parents:
diff changeset
634 addwf isr1_temp,F
heinrichsweikamp
parents:
diff changeset
635 movlw HIGH current_speed_fastest
heinrichsweikamp
parents:
diff changeset
636 addwfc isr2_temp,F
heinrichsweikamp
parents:
diff changeset
637 isr_battery_gauge5:
heinrichsweikamp
parents:
diff changeset
638 ; Add current if IR reciever is on
heinrichsweikamp
parents:
diff changeset
639 btfss ir_power ; IR enabled?
heinrichsweikamp
parents:
diff changeset
640 bra isr_battery_gauge6 ; no
heinrichsweikamp
parents:
diff changeset
641 movlw LOW current_ir_reciever
heinrichsweikamp
parents:
diff changeset
642 addwf isr1_temp,F
heinrichsweikamp
parents:
diff changeset
643 movlw HIGH current_ir_reciever
heinrichsweikamp
parents:
diff changeset
644 addwfc isr2_temp,F
heinrichsweikamp
parents:
diff changeset
645 isr_battery_gauge6:
heinrichsweikamp
parents:
diff changeset
646 ; Add current for compass/accelerometer
heinrichsweikamp
parents:
diff changeset
647 btfss compass_enabled ; compass active?
heinrichsweikamp
parents:
diff changeset
648 bra isr_battery_gauge7 ; no
heinrichsweikamp
parents:
diff changeset
649 movlw LOW current_compass
heinrichsweikamp
parents:
diff changeset
650 addwf isr1_temp,F
heinrichsweikamp
parents:
diff changeset
651 movlw HIGH current_compass
heinrichsweikamp
parents:
diff changeset
652 addwfc isr2_temp,F
heinrichsweikamp
parents:
diff changeset
653 isr_battery_gauge7:
heinrichsweikamp
parents:
diff changeset
654 return
heinrichsweikamp
parents:
diff changeset
655
heinrichsweikamp
parents:
diff changeset
656 isr_divemode_1sec:
heinrichsweikamp
parents:
diff changeset
657 incf samplesecs,F ; "samplingrate" diving seconds done
heinrichsweikamp
parents:
diff changeset
658 decf samplesecs_value,W ; holds "samplingrate" value (minus 1 into WREG)
heinrichsweikamp
parents:
diff changeset
659 cpfsgt samplesecs ; Done?
heinrichsweikamp
parents:
diff changeset
660 bra isr_divemode_1sec2 ; no
heinrichsweikamp
parents:
diff changeset
661
heinrichsweikamp
parents:
diff changeset
662 clrf samplesecs ; clear counter...
heinrichsweikamp
parents:
diff changeset
663 bsf store_sample ; ...and set bit for profile storage
heinrichsweikamp
parents:
diff changeset
664 isr_divemode_1sec2:
heinrichsweikamp
parents:
diff changeset
665 ; Increase re-setable average depth divetime counter
heinrichsweikamp
parents:
diff changeset
666 incf average_divesecs+0,F ; increase stopwatch registers
heinrichsweikamp
parents:
diff changeset
667 btfsc STATUS,Z
heinrichsweikamp
parents:
diff changeset
668 incf average_divesecs+1,F ; increase stopwatch registers
heinrichsweikamp
parents:
diff changeset
669 ; Increase total divetime (Regardless of start_dive_threshold)
148
022b886eddaf some cleanup
heinrichsweikamp
parents: 147
diff changeset
670 infsnz total_divetime_seconds+0,F
022b886eddaf some cleanup
heinrichsweikamp
parents: 147
diff changeset
671 incf total_divetime_seconds+1,F ; Total dive time (Regardless of start_dive_threshold)
0
heinrichsweikamp
parents:
diff changeset
672
heinrichsweikamp
parents:
diff changeset
673 btfss divemode2 ; displayed divetime is running?
heinrichsweikamp
parents:
diff changeset
674 return ; No (e.g. too shallow)
heinrichsweikamp
parents:
diff changeset
675
heinrichsweikamp
parents:
diff changeset
676 ; increase divetime registers (Displayed dive time)
heinrichsweikamp
parents:
diff changeset
677 incf divesecs,F
heinrichsweikamp
parents:
diff changeset
678 movlw d'59'
heinrichsweikamp
parents:
diff changeset
679 cpfsgt divesecs
heinrichsweikamp
parents:
diff changeset
680 bra isr_divemode_1sec2a
heinrichsweikamp
parents:
diff changeset
681
heinrichsweikamp
parents:
diff changeset
682 clrf divesecs
heinrichsweikamp
parents:
diff changeset
683 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
684 infsnz divemins+0,F
022b886eddaf some cleanup
heinrichsweikamp
parents: 147
diff changeset
685 incf divemins+1,F ; increase divemins
0
heinrichsweikamp
parents:
diff changeset
686
heinrichsweikamp
parents:
diff changeset
687 isr_divemode_1sec2a:
heinrichsweikamp
parents:
diff changeset
688 btfss FLAG_apnoe_mode ; Are we in Apnoe mode?
heinrichsweikamp
parents:
diff changeset
689 return ; No
heinrichsweikamp
parents:
diff changeset
690
heinrichsweikamp
parents:
diff changeset
691 incf apnoe_secs,F ; increase descent registers
heinrichsweikamp
parents:
diff changeset
692 movlw d'59'
heinrichsweikamp
parents:
diff changeset
693 cpfsgt apnoe_secs ; full minute?
heinrichsweikamp
parents:
diff changeset
694 return ; No
heinrichsweikamp
parents:
diff changeset
695 clrf apnoe_secs
heinrichsweikamp
parents:
diff changeset
696 incf apnoe_mins,F ; increase descent mins
heinrichsweikamp
parents:
diff changeset
697 return
heinrichsweikamp
parents:
diff changeset
698
heinrichsweikamp
parents:
diff changeset
699 ;=============================================================================
heinrichsweikamp
parents:
diff changeset
700 ; BCD to Binary convertion.
heinrichsweikamp
parents:
diff changeset
701 ; Input: isr1_temp = Value in BCD
heinrichsweikamp
parents:
diff changeset
702 ; Output WREG = value in binary.
heinrichsweikamp
parents:
diff changeset
703 isr_rtcc_convert:
heinrichsweikamp
parents:
diff changeset
704 swapf isr1_temp, W
heinrichsweikamp
parents:
diff changeset
705 andlw 0x0F ; W= tens
heinrichsweikamp
parents:
diff changeset
706 rlncf WREG, W ; W= 2*tens
heinrichsweikamp
parents:
diff changeset
707 subwf isr1_temp, F ; 16*tens + ones - 2*tens
heinrichsweikamp
parents:
diff changeset
708 subwf isr1_temp, F ; 14*tens + ones - 2*tens
heinrichsweikamp
parents:
diff changeset
709 subwf isr1_temp, W ; 12*tens + ones - 2*tens
heinrichsweikamp
parents:
diff changeset
710 return
heinrichsweikamp
parents:
diff changeset
711
heinrichsweikamp
parents:
diff changeset
712 ;=============================================================================
heinrichsweikamp
parents:
diff changeset
713
heinrichsweikamp
parents:
diff changeset
714 isr_switch_right: ;
heinrichsweikamp
parents:
diff changeset
715 bcf INTCON,INT0IE ; Disable INT0
heinrichsweikamp
parents:
diff changeset
716 ; bcf power_sw2 ; Power-down switch circuity
heinrichsweikamp
parents:
diff changeset
717 banksel common ; flag1 is in Bank1
heinrichsweikamp
parents:
diff changeset
718 bsf switch_right ; Set flag, button press is OK
heinrichsweikamp
parents:
diff changeset
719 bra isr_switch_common ; Continue...
heinrichsweikamp
parents:
diff changeset
720
heinrichsweikamp
parents:
diff changeset
721 isr_switch_left: ;
heinrichsweikamp
parents:
diff changeset
722 bcf INTCON3,INT1IE ; Disable INT1
heinrichsweikamp
parents:
diff changeset
723 ; bcf power_sw1 ; Power-down switch circuity
heinrichsweikamp
parents:
diff changeset
724 banksel common ; flag1 is in Bank1
heinrichsweikamp
parents:
diff changeset
725 bsf switch_left ; Set flag, button press is OK
heinrichsweikamp
parents:
diff changeset
726
heinrichsweikamp
parents:
diff changeset
727 isr_switch_common:
heinrichsweikamp
parents:
diff changeset
728 ; load timer1 for first press
heinrichsweikamp
parents:
diff changeset
729 clrf TMR1L
heinrichsweikamp
parents:
diff changeset
730 movlw TMR1H_VALUE_FIRST ; in steps of 7,8125ms
heinrichsweikamp
parents:
diff changeset
731 movwf TMR1H
heinrichsweikamp
parents:
diff changeset
732 bsf T1CON,TMR1ON ; Start Timer 1
heinrichsweikamp
parents:
diff changeset
733 ; nop
heinrichsweikamp
parents:
diff changeset
734 ; nop
heinrichsweikamp
parents:
diff changeset
735 ; nop
heinrichsweikamp
parents:
diff changeset
736 ; nop
heinrichsweikamp
parents:
diff changeset
737 ; nop
heinrichsweikamp
parents:
diff changeset
738 ; nop
heinrichsweikamp
parents:
diff changeset
739 ; nop
heinrichsweikamp
parents:
diff changeset
740 ; nop
heinrichsweikamp
parents:
diff changeset
741 ; nop
heinrichsweikamp
parents:
diff changeset
742 ; nop
heinrichsweikamp
parents:
diff changeset
743 ; nop
heinrichsweikamp
parents:
diff changeset
744 ; nop
heinrichsweikamp
parents:
diff changeset
745 ; nop
heinrichsweikamp
parents:
diff changeset
746 ; nop
heinrichsweikamp
parents:
diff changeset
747 ; nop
heinrichsweikamp
parents:
diff changeset
748 ; nop
heinrichsweikamp
parents:
diff changeset
749 ; nop
heinrichsweikamp
parents:
diff changeset
750 ; nop
heinrichsweikamp
parents:
diff changeset
751 ; nop
heinrichsweikamp
parents:
diff changeset
752 ; nop
heinrichsweikamp
parents:
diff changeset
753 ; nop
heinrichsweikamp
parents:
diff changeset
754 ; nop
heinrichsweikamp
parents:
diff changeset
755 ; nop
heinrichsweikamp
parents:
diff changeset
756 ; nop
heinrichsweikamp
parents:
diff changeset
757
heinrichsweikamp
parents:
diff changeset
758 banksel isr_backup ; Select Bank0 for ISR data.
heinrichsweikamp
parents:
diff changeset
759 ; bsf power_sw1
heinrichsweikamp
parents:
diff changeset
760 bcf INTCON3,INT1IF ; Clear flag
heinrichsweikamp
parents:
diff changeset
761 ; bsf power_sw2 ; Power-up switch circuity
heinrichsweikamp
parents:
diff changeset
762 bcf INTCON,INT0IF ; Clear flag
heinrichsweikamp
parents:
diff changeset
763 return
heinrichsweikamp
parents:
diff changeset
764
heinrichsweikamp
parents:
diff changeset
765 timer1int:
heinrichsweikamp
parents:
diff changeset
766 bcf PIR1,TMR1IF ; Clear flag
heinrichsweikamp
parents:
diff changeset
767 banksel common ; flag1 is in Bank1
heinrichsweikamp
parents:
diff changeset
768 btfss switch_left1 ; Left button hold-down?
heinrichsweikamp
parents:
diff changeset
769 bra timer1int_left ; Yes
heinrichsweikamp
parents:
diff changeset
770 btfss switch_right2 ; Right button hold-down?
heinrichsweikamp
parents:
diff changeset
771 bra timer1int_right ; Yes
heinrichsweikamp
parents:
diff changeset
772
heinrichsweikamp
parents:
diff changeset
773 ; No button hold-down, stop Timer 1
heinrichsweikamp
parents:
diff changeset
774 bcf T1CON,TMR1ON ; Stop Timer 1
heinrichsweikamp
parents:
diff changeset
775 bsf INTCON,INT0IE ; Enable INT0
heinrichsweikamp
parents:
diff changeset
776 bsf INTCON3,INT1IE ; Enable INT1
heinrichsweikamp
parents:
diff changeset
777 bcf INTCON,INT0IF ; Clear flag
heinrichsweikamp
parents:
diff changeset
778 bcf INTCON3,INT1IF ; Clear flag
heinrichsweikamp
parents:
diff changeset
779 ; bcf switch_left
heinrichsweikamp
parents:
diff changeset
780 ; bcf switch_right
heinrichsweikamp
parents:
diff changeset
781 return
heinrichsweikamp
parents:
diff changeset
782
heinrichsweikamp
parents:
diff changeset
783 timer1int_left:
heinrichsweikamp
parents:
diff changeset
784 ; bcf power_sw1 ; Power-down switch circuity
heinrichsweikamp
parents:
diff changeset
785 bsf switch_left ; (Re-)Set flag
heinrichsweikamp
parents:
diff changeset
786 bra timer1int_common ; Continue
heinrichsweikamp
parents:
diff changeset
787 timer1int_right:
heinrichsweikamp
parents:
diff changeset
788 ; bcf power_sw2 ; Power-down switch circuity
heinrichsweikamp
parents:
diff changeset
789 bsf switch_right ; (Re-)Set flag
heinrichsweikamp
parents:
diff changeset
790 timer1int_common:
heinrichsweikamp
parents:
diff changeset
791 ; load timer1 for next press
heinrichsweikamp
parents:
diff changeset
792 clrf TMR1L
heinrichsweikamp
parents:
diff changeset
793 movlw TMR1H_VALUE_CONT ; Surface mode
heinrichsweikamp
parents:
diff changeset
794 btfsc divemode
heinrichsweikamp
parents:
diff changeset
795 movlw TMR1H_VALUE_CONT_DIVE ; Dive mode
heinrichsweikamp
parents:
diff changeset
796 movwf TMR1H
heinrichsweikamp
parents:
diff changeset
797 ; nop
heinrichsweikamp
parents:
diff changeset
798 ; nop
heinrichsweikamp
parents:
diff changeset
799 ; nop
heinrichsweikamp
parents:
diff changeset
800 ; nop
heinrichsweikamp
parents:
diff changeset
801 ; nop
heinrichsweikamp
parents:
diff changeset
802 ; nop
heinrichsweikamp
parents:
diff changeset
803 ; nop
heinrichsweikamp
parents:
diff changeset
804 ; nop
heinrichsweikamp
parents:
diff changeset
805 ; nop
heinrichsweikamp
parents:
diff changeset
806 ; nop
heinrichsweikamp
parents:
diff changeset
807 ; nop
heinrichsweikamp
parents:
diff changeset
808 ; nop
heinrichsweikamp
parents:
diff changeset
809 ; nop
heinrichsweikamp
parents:
diff changeset
810 ; nop
heinrichsweikamp
parents:
diff changeset
811 ; nop
heinrichsweikamp
parents:
diff changeset
812 ; nop
heinrichsweikamp
parents:
diff changeset
813 ;
heinrichsweikamp
parents:
diff changeset
814 ; nop
heinrichsweikamp
parents:
diff changeset
815 ; nop
heinrichsweikamp
parents:
diff changeset
816 ; nop
heinrichsweikamp
parents:
diff changeset
817 ; nop
heinrichsweikamp
parents:
diff changeset
818 ; nop
heinrichsweikamp
parents:
diff changeset
819 ; nop
heinrichsweikamp
parents:
diff changeset
820 ; nop
heinrichsweikamp
parents:
diff changeset
821 ; nop
heinrichsweikamp
parents:
diff changeset
822 ; bsf power_sw1
heinrichsweikamp
parents:
diff changeset
823 bcf INTCON3,INT1IF ; Clear flag
heinrichsweikamp
parents:
diff changeset
824 ; bsf power_sw2 ; Power-up switch circuity
heinrichsweikamp
parents:
diff changeset
825 bcf INTCON,INT0IF ; Clear flag
heinrichsweikamp
parents:
diff changeset
826 return ; Return from timer1int with timer1 kept running
heinrichsweikamp
parents:
diff changeset
827
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parents:
diff changeset
828 ;=============================================================================
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parents:
diff changeset
829
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parents:
diff changeset
830 check_nofly_desat_time:
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parents:
diff changeset
831 movf nofly_time+0,W ; Is nofly null ?
heinrichsweikamp
parents:
diff changeset
832 iorwf nofly_time+1,W
heinrichsweikamp
parents:
diff changeset
833 bz check_nofly_desat_time2 ; yes...
heinrichsweikamp
parents:
diff changeset
834
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parents:
diff changeset
835 movlw d'1'
heinrichsweikamp
parents:
diff changeset
836 subwf nofly_time+0,F
heinrichsweikamp
parents:
diff changeset
837 movlw d'0'
heinrichsweikamp
parents:
diff changeset
838 subwfb nofly_time+1,F ; reduce by one
heinrichsweikamp
parents:
diff changeset
839
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parents:
diff changeset
840 check_nofly_desat_time2:
heinrichsweikamp
parents:
diff changeset
841 movf desaturation_time+0,W ; Is Desat null ?
heinrichsweikamp
parents:
diff changeset
842 iorwf desaturation_time+1,W
heinrichsweikamp
parents:
diff changeset
843 bz check_nofly_desat_time3 ; yes...
heinrichsweikamp
parents:
diff changeset
844
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parents:
diff changeset
845 movlw d'1'
heinrichsweikamp
parents:
diff changeset
846 subwf desaturation_time+0,F
heinrichsweikamp
parents:
diff changeset
847 movlw d'0'
heinrichsweikamp
parents:
diff changeset
848 subwfb desaturation_time+1,F ; reduce by one...
heinrichsweikamp
parents:
diff changeset
849
147
fdd4e30846ae some cleanup
heinrichsweikamp
parents: 145
diff changeset
850 ; Increase surface interval timer
fdd4e30846ae some cleanup
heinrichsweikamp
parents: 145
diff changeset
851 infsnz surface_interval+0,F
fdd4e30846ae some cleanup
heinrichsweikamp
parents: 145
diff changeset
852 incf surface_interval+1,F
0
heinrichsweikamp
parents:
diff changeset
853 return ; Done
heinrichsweikamp
parents:
diff changeset
854
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parents:
diff changeset
855 check_nofly_desat_time3:
heinrichsweikamp
parents:
diff changeset
856 clrf surface_interval+0
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parents:
diff changeset
857 clrf surface_interval+1 ; Clear surface interval timer
heinrichsweikamp
parents:
diff changeset
858 return ; Done.
heinrichsweikamp
parents:
diff changeset
859
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parents:
diff changeset
860 ;=============================================================================
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parents:
diff changeset
861
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parents:
diff changeset
862 isr_restore_clock:
heinrichsweikamp
parents:
diff changeset
863 banksel isr_backup
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parents:
diff changeset
864 movff speed_setting,isr1_temp ; Copy to Bank0
heinrichsweikamp
parents:
diff changeset
865 movlw d'1'
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parents:
diff changeset
866 cpfseq isr1_temp
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parents:
diff changeset
867 bra isr_restore_speed2
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parents:
diff changeset
868 ; Reset to eco
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parents:
diff changeset
869 movlw b'00000000'
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parents:
diff changeset
870 movwf OSCTUNE ; 4x PLL Disable (Bit6) - only works with 8 or 16MHz (=32 or 64MHz)
heinrichsweikamp
parents:
diff changeset
871 movlw b'00110010'
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parents:
diff changeset
872 movwf OSCCON ; 1MHz INTOSC
heinrichsweikamp
parents:
diff changeset
873 movlw T2CON_ECO
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parents:
diff changeset
874 movwf T2CON
heinrichsweikamp
parents:
diff changeset
875 bra isr_restore_exit
heinrichsweikamp
parents:
diff changeset
876 isr_restore_speed2:
heinrichsweikamp
parents:
diff changeset
877 movlw d'2'
heinrichsweikamp
parents:
diff changeset
878 cpfseq isr1_temp
heinrichsweikamp
parents:
diff changeset
879 bra isr_restore_speed3
heinrichsweikamp
parents:
diff changeset
880 ; Reset to normal
heinrichsweikamp
parents:
diff changeset
881 movlw b'01110010'
heinrichsweikamp
parents:
diff changeset
882 movwf OSCCON ; 16MHz INTOSC
heinrichsweikamp
parents:
diff changeset
883 movlw b'00000000'
heinrichsweikamp
parents:
diff changeset
884 movwf OSCTUNE ; 4x PLL Disable (Bit6) - only works with 8 or 16MHz (=32 or 64MHz)
heinrichsweikamp
parents:
diff changeset
885 movlw T2CON_NORMAL
heinrichsweikamp
parents:
diff changeset
886 movwf T2CON
heinrichsweikamp
parents:
diff changeset
887 bra isr_restore_exit
heinrichsweikamp
parents:
diff changeset
888
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parents:
diff changeset
889 isr_restore_speed3:
heinrichsweikamp
parents:
diff changeset
890 ; Reset to fastest
heinrichsweikamp
parents:
diff changeset
891 movlw b'01110010' ; 16MHz INTOSC
heinrichsweikamp
parents:
diff changeset
892 movwf OSCCON
heinrichsweikamp
parents:
diff changeset
893 movlw b'01000000'
heinrichsweikamp
parents:
diff changeset
894 movwf OSCTUNE ; 4x PLL Enable (Bit6) - only works with 8 or 16MHz (=32 or 64MHz)
heinrichsweikamp
parents:
diff changeset
895 movlw T2CON_FASTEST
heinrichsweikamp
parents:
diff changeset
896 movwf T2CON
heinrichsweikamp
parents:
diff changeset
897 ; bra isr_restore_exit
heinrichsweikamp
parents:
diff changeset
898 isr_restore_exit:
heinrichsweikamp
parents:
diff changeset
899 btfss OSCCON,HFIOFS
heinrichsweikamp
parents:
diff changeset
900 bra isr_restore_exit ; loop until PLL is stable
heinrichsweikamp
parents:
diff changeset
901 return
heinrichsweikamp
parents:
diff changeset
902
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parents:
diff changeset
903 END