annotate code_part1/OSTC_code_asm_part1/isr.asm @ 310:b20fc8c4ac92

Fix EAD/END display (not mm, m with a trailling space)
author JeanDo
date Sun, 01 May 2011 19:55:47 +0200
parents ceedf078b2d8
children 447390289f47 ecbbbd423e86
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1
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2 ; OSTC - diving computer code
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3 ; Copyright (C) 2008 HeinrichsWeikamp GbR
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4
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5 ; This program is free software: you can redistribute it and/or modify
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6 ; it under the terms of the GNU General Public License as published by
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7 ; the Free Software Foundation, either version 3 of the License, or
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8 ; (at your option) any later version.
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9
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10 ; This program is distributed in the hope that it will be useful,
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11 ; but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 ; GNU General Public License for more details.
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14
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15 ; You should have received a copy of the GNU General Public License
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16 ; along with this program. If not, see <http://www.gnu.org/licenses/>.
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17
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18
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19 ; written by: Matthias Heinrichs, info@heinrichsweikamp.com
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20 ; written: 10/30/05
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21 ; last updated: 05/16/08
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22 ; known bugs:
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23 ; ToDo:
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24
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25 ; the timer1 module interrupts every 62.5ms (16x/second)
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26 ; temperature and pressure is averaged over 4 measurements
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27 ; flag pressure_refresh is set every 500ms
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28 ; and provides accurate pressure (+/-1mBar stable) and temperature (0.1C stable)
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29
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30 uartint:
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31 btfsc simulatormode_active ; are we in simulatormode?
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32 bra simulator_int ; Yes, reading is depth in m!
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33
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34 movff RCREG,uart1_temp
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35 movlw d'96'
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36 subwf uart1_temp,F
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37 dcfsnz uart1_temp,F ; "a"
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38 bsf dump_external_eeprom ; set flag
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39 dcfsnz uart1_temp,F ; "b"
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40 bsf uart_settime ; set flag
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41 dcfsnz uart1_temp,F ; "c"
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42 bsf simulatormode_active ; set flag
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43 dcfsnz uart1_temp,F ; "d"
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44 bsf internal_eeprom_write ; set flag
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45 dcfsnz uart1_temp,F ; "e"
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46 bsf uart_send_hash ; set flag
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47 dcfsnz uart1_temp,F ; "f"
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48 bsf uart_reset_battery_stats ; set flag
0
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49 dcfsnz uart1_temp,F ; "g"
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50 bsf uart_send_int_eeprom ; set flag
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51 dcfsnz uart1_temp,F ; "h"
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52 bsf uart_reset_decodata ; set flag
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53 dcfsnz uart1_temp,F ; "i"
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54 bsf internal_eeprom_write2 ; set flag
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55 dcfsnz uart1_temp,F ; "j"
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56 bsf uart_send_int_eeprom2 ; set flag
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57 dcfsnz uart1_temp,F ; "k"
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58 bsf uart_store_tissue_data ; set flag
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59
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60 movlw 0xC1
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61 cpfseq RCREG ; 115200Baud Bootloader request?
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62 bra uartint1 ; No
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63 bsf uart_115200_bootloader ; Yes, set Flag
0
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64
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65
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66 uartint1:
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67 movf RCREG,w ; unload RCREG in stand-alone simulator mode
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68 bcf PIR1,RCIF ; Clear flag
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69 bcf RCSTA,CREN ; Clear receiver status
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70 bsf RCSTA,CREN
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71 return
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72
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73 simulator_int:
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74 btfsc standalone_simulator ; ignore in standalone simulator mode
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75 bra uartint1
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76
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77 bsf LED_blue
0
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78 tstfsz RCREG ; =0x00?
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79 bra simulator_int1 ; No
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80 incf RCREG,F ; Yes, so force RCREG=1
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81
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82 simulator_int1:
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83 movf RCREG,w ; depth in m
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84 mullw d'100' ; result will be mbar
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85 movff PRODL,sim_pressure+0 ; stored for pressure overwrite
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86 movff PRODH,sim_pressure+1
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87 bra uartint1 ; exit uart int
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88
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89 switch_left_int:
0
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90 bcf INTCON,INT0IF ; Clear flag
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91
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92 btfsc T0CON,TMR0ON ; Timer0 running?
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93 bra timer0_restart ; Yes, restart
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94
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95 ; OSTC 2N has flipped screen and exchanged switches...
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96 movff win_flags,WREG ; Get into Bank0
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97 btfss WREG,0
0
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98 bsf switch_left ; Set flag, button press is OK
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99 btfsc WREG,0
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100 bsf switch_right ; Set flag, button press is OK
0
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101
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102 bsf T0CON,TMR0ON ; Start Timer 0
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103 return
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104
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105
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106 switch_right_int:
0
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107 bcf INTCON3,INT1IF ; Clear flag
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108
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109 btfsc T0CON,TMR0ON ; Timer0 running?
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110 bra timer0_restart ; Yes, restart
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111
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112 ; OSTC 2N has flipped screen and exchanged switches...
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113 movff win_flags,WREG ; Get into Bank0
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114 btfsc WREG,0
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115 bsf switch_left ; Set flag, button press is OK
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116 btfss WREG,0
0
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117 bsf switch_right ; Set flag, button press is OK
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118
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119 bsf T0CON,TMR0ON ; Start Timer 0
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120 return
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121
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122 timer0_restart:
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123 bcf INTCON,TMR0IF ; Clear flag
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124 clrf T0CON ; Timer0
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125 clrf TMR0H
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126 clrf TMR0L
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127 bsf T0CON,TMR0ON ; Start Timer 0
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128 return
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129
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130 timer0int:
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131 bcf INTCON,TMR0IF ; Clear flag
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132 bcf T0CON,TMR0ON ; Stop Timer 0
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133 clrf TMR0H
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134 clrf TMR0L
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135 return
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136
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137 timer1int:
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138 bcf PIR1,TMR1IF ; Clear flag
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139
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140 timer1int_debug:
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141 bcf LED_red ; LEDr off (For charge indicator)
0
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142
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143 movlw 0x08 ; Timer1 int after 62.5ms (=16/second)
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144 cpfslt TMR1H ; Did we miss a 1/16 second?
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145 incf timer1int_counter1,F ; Yes, add extra 1/16 second
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146
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147 movlw 0x08 ; Timer1 int after 62.5ms (=16/second)
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148 subwf TMR1H,F
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149
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150 incf timer1int_counter1,F ; Increase timer1 counter
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151
0
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152 movlw d'15' ; One second 16
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153 cpfsgt timer1int_counter1
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154 bra sensor_int_pre ; only pressure sensor
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155 rcall RTCisr ; adjust time, then query pressure sensor
0
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156
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157 sensor_int_pre:
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158 btfsc sleepmode ; In sleepmode?
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159 return ; Yes
0
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160
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161 sensor_int:
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162 btfsc no_sensor_int ; No sensor interrupt (because it's addressed during sleep)
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163 return
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164
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165 incf timer1int_counter2,F ; counts to eight for state maschine
0
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166
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167 ; State 1: Clear flags and average registers, get temperature (51us) and start pressure integration (73,5us)
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168 ; State 2: Get pressure (51us), start temperature integration (73,5us) and calculate temperature compensated pressure (233us)
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169 ; State 3: Get temperature (51us) and start pressure integration (73,5us)
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170 ; State 4: Get pressure (51us), start temperature integration (73,5us) and calculate temperature compensated pressure (233us)
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171 ; State 5: Get temperature (51us) and start pressure integration (73,5us)
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172 ; State 6: Get pressure (51us), start temperature integration (73,5us) and calculate temperature compensated pressure (233us)
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173 ; State 7: Get temperature (51us) and start pressure integration (73,5us)
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174 ; 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
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175
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176 movff timer1int_counter2,isr_divB ; isr_divB used as temp here...
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177 dcfsnz isr_divB,F
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178 bra sensor_int_state1_plus_restart ; Do State 1
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179 dcfsnz isr_divB,F
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180 bra sensor_int_state2 ; Do State 2
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181 dcfsnz isr_divB,F
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182 bra sensor_int_state1 ; Do State 3
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183 dcfsnz isr_divB,F
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184 bra sensor_int_state2 ; Do State 4
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185 dcfsnz isr_divB,F
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186 bra sensor_int_state1 ; Do State 5
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diff changeset
187 dcfsnz isr_divB,F
9581e48a914f Some cleanup in the ISR
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parents: 111
diff changeset
188 bra sensor_int_state2 ; Do State 6
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
189 dcfsnz isr_divB,F
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
190 bra sensor_int_state1 ; Do State 7
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
191 ; bra sensor_int2_plus_average ; Do State 8
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
192
9581e48a914f Some cleanup in the ISR
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parents: 111
diff changeset
193 ;sensor_int2_plus_average:
9581e48a914f Some cleanup in the ISR
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parents: 111
diff changeset
194 rcall sensor_int_state2
9581e48a914f Some cleanup in the ISR
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parents: 111
diff changeset
195 sensor_int2_plus_average2:
0
96a35aeda5f2 Initial setup
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parents:
diff changeset
196 bcf STATUS,C
96a35aeda5f2 Initial setup
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parents:
diff changeset
197 rrcf isr3_temp+1 ; isr3_temp / 2
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
198 rrcf isr3_temp+0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
199 bcf STATUS,C
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
200 rrcf temperature_temp+1 ; temperature_temp /2
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
201 rrcf temperature_temp+0
238
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
202
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
203 bcf STATUS,C
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
204 rrcf isr3_temp+1 ; isr3_temp / 4
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
205 rrcf isr3_temp+0
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
206 bcf STATUS,C
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
207 rrcf temperature_temp+1 ; temperature_temp /4
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
208 rrcf temperature_temp+0
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
209
0
96a35aeda5f2 Initial setup
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parents:
diff changeset
210 movff isr3_temp+1,amb_pressure+1 ; copy into actual register
96a35aeda5f2 Initial setup
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parents:
diff changeset
211 movff isr3_temp+0,amb_pressure+0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
212
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
213 movff temperature_temp+1,temperature+1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
214 movff temperature_temp+0,temperature+0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
215
96a35aeda5f2 Initial setup
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parents:
diff changeset
216 bsf pressure_refresh ; Set flag! Temp and pressure were updated!
238
9581e48a914f Some cleanup in the ISR
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parents: 111
diff changeset
217 clrf timer1int_counter2 ; Then reset State counter
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
218
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
219 btfss simulatormode_active ; are we in simulator mode?
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
220 bra comp_air_pressure ; no
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
221
96a35aeda5f2 Initial setup
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parents:
diff changeset
222 comp_air_pressure0:
96a35aeda5f2 Initial setup
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parents:
diff changeset
223 movlw LOW d'1000' ; yes, so simulate 1Bar surface pressure
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
224 movwf last_surfpressure+0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
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225 movlw HIGH d'1000'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
226 movwf last_surfpressure+1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
227
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
228 comp_air_pressure:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
229 bcf neg_flag
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
230 movf last_surfpressure+0,W ; compensate airpressure
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
231 subwf amb_pressure+0,W
238
9581e48a914f Some cleanup in the ISR
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parents: 111
diff changeset
232 movwf rel_pressure+0 ; rel_pressure stores depth!
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
233
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
234 movf last_surfpressure+1,W
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
235 subwfb amb_pressure+1,W
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
236 movwf rel_pressure+1
238
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
237 btfss STATUS,N ; result is below zero?
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
238 return
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
239 clrf rel_pressure+0 ; Yes, do not display negative depths
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
240 clrf rel_pressure+1 ; e.g. when surface air pressure dropped during the dive
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
241 return
238
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
242
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
243
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
244 sensor_int_state1_plus_restart:
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
245 bcf pressure_refresh ; clear flags
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
246 clrf isr3_temp+0 ; pressure average registers
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
247 clrf isr3_temp+1
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
248 clrf temperature_temp+0
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
249 clrf temperature_temp+1
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
250
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
251 sensor_int_state1:
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
252 call get_temperature_value ; State 1: Get temperature
9581e48a914f Some cleanup in the ISR
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diff changeset
253 call get_pressure_start ; and start pressure integration.
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
254 return ; Done.
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
255
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
256 sensor_int_state2:
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
257 call get_pressure_value ; State2: Get pressure (51us)
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
258 call get_temperature_start ; and start temperature integration (73,5us)
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
259 call calculate_compensation ; calculate temperature compensated pressure (233us)
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
260 movf amb_pressure+0,W
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
261 addwf isr3_temp+0 ; average pressure
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
262 movf amb_pressure+1,W
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
263 addwfc isr3_temp+1
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
264 movf temperature+0,W
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
265 addwf temperature_temp+0 ; average temperature
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
266 movf temperature+1,W
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
267 addwfc temperature_temp+1
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
268 return
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
269
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
270
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
271 RTCisr:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
272 clrf timer1int_counter1 ; counts to 16 (one second / 62.5ms)
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
273 bsf onesecupdate ; we have a new second!
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
274
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
275 bcf STATUS,Z ; are we in dive mode?
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
276 btfss divemode
238
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
277 bra RTCisr2 ; No, must be surface or sleepmode
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
278
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
279 incf samplesecs,F ; CF20 diving seconds done
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
280 decf samplesecs_value,W ; holds CF20 value (minus 1 into WREG)
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
281 cpfsgt samplesecs
238
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
282 bra RTCisr1 ; no
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
283
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
284 clrf samplesecs ; clear counter...
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
285 bsf store_sample ; ...and set bit for profile storage
238
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
286
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
287 RTCisr1:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
288 ; Increase re-setable average depth divetime counter
111
ed7826c740a0 1.74beta rc1
heinrichsweikamp
parents: 49
diff changeset
289 incf average_divesecs+0,F ; increase stopwatch registers
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
290 btfsc STATUS,Z
111
ed7826c740a0 1.74beta rc1
heinrichsweikamp
parents: 49
diff changeset
291 incf average_divesecs+1,F ; increase stopwatch registers
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
292
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
293 btfss divemode2 ; displayed divetime is running?
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
294 bra RTCisr2 ; No (e.g. too shallow)
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
295
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
296 incf divesecs,F ; increase divetime registers
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
297 movlw d'59'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
298 cpfsgt divesecs
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
299 bra RTCisr1a
238
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
300
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
301 clrf divesecs
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
302 bsf realdive ; this bit is always set (again) if the dive is longer then one minute
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
303
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
304 incf divemins+0,F ; increase divemins
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
305 btfsc STATUS,Z
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
306 incf divemins+1,F ; and now do the realtime clock routine anyway
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
307
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
308 RTCisr1a:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
309 btfss FLAG_apnoe_mode ; Are we in Apnoe mode?
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
310 bra RTCisr2 ; No, skip the following
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
311
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
312 incf apnoe_secs,F ; increase descent registers
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
313 movlw d'59'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
314 cpfsgt apnoe_secs
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
315 bra RTCisr2
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
316 clrf apnoe_secs
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
317
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
318 incf apnoe_mins,F ; increase descent mins
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
319 ; Now, do the RTC routine....
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
320 RTCisr2:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
321 incf secs,F ; adjusts seconds, minutes, hours, day, month and year. Checks for a leap year and works until 2099!
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
322 movlw d'59'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
323 cpfsgt secs
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
324 return
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
325 clrf secs
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
326 bsf oneminupdate
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
327 incf mins,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
328 movlw d'59'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
329 cpfsgt mins
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
330 return
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
331 clrf mins
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
332 incf hours,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
333 movlw d'23'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
334 cpfsgt hours
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
335 return
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
336 clrf hours
13
3b30cd739782 1.53 beta rc2
heinrichsweikamp
parents: 0
diff changeset
337 incf day,F
43
65d5b0c8da41 New CF48, changed CF15
heinrichsweikamp
parents: 21
diff changeset
338 movff time_correction_value,secs ; Correct too slow clock
13
3b30cd739782 1.53 beta rc2
heinrichsweikamp
parents: 0
diff changeset
339
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
340 check_date:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
341 movff month,isr_divB ; new month?
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
342 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
343 movlw .31
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
344 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
345 movlw .28
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
346 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
347 movlw .31
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
348 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
349 movlw .30
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
350 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
351 movlw .31
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
352 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
353 movlw .30
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
354 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
355 movlw .31
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
356 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
357 movlw .31
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
358 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
359 movlw .30
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
360 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
361 movlw .31
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
362 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
363 movlw .30
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
364 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
365 movlw .31
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
366 cpfsgt day,1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
367 return
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
368 movlw .1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
369 movwf day
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
370 incf month,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
371 movlw .12
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
372 cpfsgt month,1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
373 return
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
374 movlw .1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
375 movwf month
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
376 incf year,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
377 return