annotate code_part1/OSTC_code_asm_part1/isr.asm @ 726:05cc46fe44be

minor change in licence
author heinrichsweikamp
date Tue, 04 Jun 2013 18:45:01 +0200
parents de413161f00c
children 380a07e4fc15
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e565392e0fcc Add a trailing space for nofly and desat
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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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ab962c4b19d6 Fixing issue 50, correct "Bar" to "bar" in texts and comments
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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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ecbbbd423e86 BUGFIX save negativ temperatures in logbook (bbbug #6)
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30 ;=============================================================================
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2144f19fa1eb BUGFIX protect against ISR changing pressure/temperature while reading it.
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31 ; Copy a 16bit value from ISR modified registers to main registers.
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32 ;
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33 ; Because the ISR can happend at any time, the read should be redone if bytes
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34 ; changed inbetween.
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35 ;
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d5240792be51 BUGFIX Altimeter random value (SAFE_2BYTE_COPY was not bank safe).
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36 ; Trashes: WREG and TABLAT
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37 ; NOTE: Destination might be in any bank, so be BANK SAFE.
d5240792be51 BUGFIX Altimeter random value (SAFE_2BYTE_COPY was not bank safe).
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38 ;
d5240792be51 BUGFIX Altimeter random value (SAFE_2BYTE_COPY was not bank safe).
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39 SAFE_2BYTE_COPY MACRO from, to
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40 local retry
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41 retry:
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d5240792be51 BUGFIX Altimeter random value (SAFE_2BYTE_COPY was not bank safe).
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42 movff from+1,WREG ; High byte in W.
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43 movff WREG,to+1 ; and destination.
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44 movff from+0,to+0 ; Copy low byte.
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45 movff from+1,TABLAT ; another bank-safe read.
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46 xorwf TABLAT,W ; High byte changed ?
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47 bnz retry
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48 ENDM
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49
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50 ;=============================================================================
0
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51 uartint:
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52 btfsc simulatormode_active ; are we in simulatormode?
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53 bra simulator_int ; Yes, reading is depth in m!
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54
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55 movff RCREG,uart1_temp
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56 movlw d'96'
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57 subwf uart1_temp,F
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58 dcfsnz uart1_temp,F ; "a"
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59 bsf dump_external_eeprom ; set flag
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60 dcfsnz uart1_temp,F ; "b"
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61 bsf uart_settime ; set flag
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62 dcfsnz uart1_temp,F ; "c"
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63 bsf simulatormode_active ; set flag
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64 dcfsnz uart1_temp,F ; "d"
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65 bsf internal_eeprom_write ; set flag
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66 dcfsnz uart1_temp,F ; "e"
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67 bsf uart_send_hash ; set flag
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68 dcfsnz uart1_temp,F ; "f"
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69 bsf uart_reset_battery_stats ; set flag
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70 dcfsnz uart1_temp,F ; "g"
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71 bsf uart_send_int_eeprom ; set flag
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72 dcfsnz uart1_temp,F ; "h"
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73 bsf uart_reset_decodata ; set flag
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74 dcfsnz uart1_temp,F ; "i"
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75 bsf internal_eeprom_write2 ; set flag
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76 dcfsnz uart1_temp,F ; "j"
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77 bsf uart_send_int_eeprom2 ; set flag
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78 dcfsnz uart1_temp,F ; "k"
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79 bsf uart_store_tissue_data ; set flag
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80 dcfsnz uart1_temp,F ; "l"
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81 bsf uart_dump_screen ; set flag
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82 dcfsnz uart1_temp,F ; "m"
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83 bsf uart_send_int_eeprom3 ; set flag
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84 dcfsnz uart1_temp,F ; "n"
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85 bsf internal_eeprom_write3 ; set flag
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86 movlw 0xC1
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87 cpfseq RCREG ; 115200Baud Bootloader request?
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88 bra uartint1 ; No
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89 bsf uart_115200_bootloader ; Yes, set Flag
0
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90
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91 uartint1:
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92 movf RCREG,w ; unload RCREG in stand-alone simulator mode
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93 bcf PIR1,RCIF ; Clear flag
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94 bcf RCSTA,CREN ; Clear receiver status
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95 bsf RCSTA,CREN
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96 return
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97
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98 simulator_int:
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99 movlw 'l' ; Received 'l' dump-screen command ?
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100 xorwf RCREG,W
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101 bnz simulator_int2 ; NO: skip
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102 bsf uart_dump_screen ; YES: set flag
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103 bra uartint1 ; and this is not a depth...
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104
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105 simulator_int2:
0
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106 btfsc standalone_simulator ; ignore in standalone simulator mode
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107 bra uartint1
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108
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109 bsf LED_blue
0
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110 tstfsz RCREG ; =0x00?
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111 bra simulator_int1 ; No
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112 incf RCREG,F ; Yes, so force RCREG=1
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113
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114 simulator_int1:
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115 movf RCREG,w ; depth in m
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116 movwf PRODL ; Copy
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117
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118 movlw d'140' ; Limit to 130m
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119 cpfslt PRODL ; compare with value in UART
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120 movwf PRODL ; Overwrite reading
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121
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122 movf PRODL,w ; depth in m
0
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123 mullw d'100' ; result will be mbar
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124 movff PRODL,sim_pressure+0 ; stored for pressure overwrite
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125 movff PRODH,sim_pressure+1
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126 bra uartint1 ; exit uart int
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127
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ecbbbd423e86 BUGFIX save negativ temperatures in logbook (bbbug #6)
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128 ;=============================================================================
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129
238
9581e48a914f Some cleanup in the ISR
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130 switch_left_int:
0
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131 bcf INTCON,INT0IF ; Clear flag
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132
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133 btfsc T0CON,TMR0ON ; Timer0 running?
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134 bra timer0_restart ; Yes, restart
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135
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136 ; OSTC 2N has flipped screen and exchanged switches...
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137 movff win_flags,WREG ; Get into Bank0
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138 btfss WREG,0
0
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139 bsf switch_left ; Set flag, button press is OK
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140 btfsc WREG,0
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141 bsf switch_right ; Set flag, button press is OK
0
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142
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143 bsf T0CON,TMR0ON ; Start Timer 0
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144 return
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145
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146
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147 switch_right_int:
0
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148 bcf INTCON3,INT1IF ; Clear flag
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149
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150 btfsc T0CON,TMR0ON ; Timer0 running?
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151 bra timer0_restart ; Yes, restart
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152
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153 ; OSTC 2N has flipped screen and exchanged switches...
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154 movff win_flags,WREG ; Get into Bank0
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155 btfsc WREG,0
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156 bsf switch_left ; Set flag, button press is OK
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157 btfss WREG,0
0
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158 bsf switch_right ; Set flag, button press is OK
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159
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160 bsf T0CON,TMR0ON ; Start Timer 0
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161 return
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162
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163 timer0_restart:
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164 bcf INTCON,TMR0IF ; Clear flag
715
de413161f00c 256ms switch debounce timer
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165 movlw T0CON_VALUE
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166 movwf T0CON ; Timer0
0
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167 clrf TMR0H
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168 clrf TMR0L
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169 bsf T0CON,TMR0ON ; Start Timer 0
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170 return
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171
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172 timer0int:
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173 bcf INTCON,TMR0IF ; Clear flag
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174 bcf T0CON,TMR0ON ; Stop Timer 0
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175 clrf TMR0H
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176 clrf TMR0L
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177 return
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178
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179 ;=============================================================================
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180 ;
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181
0
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182 timer1int:
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183 timer1int_debug:
21
73014f788032 1.60 stable rc1
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diff changeset
184 bcf LED_red ; LEDr off (For charge indicator)
0
96a35aeda5f2 Initial setup
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parents:
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185
390
a847f416e67e Debugging timer1
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parents: 379
diff changeset
186 btfsc TMR1L,0 ; Wait for low clock cycle
a847f416e67e Debugging timer1
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parents: 379
diff changeset
187 bra $-2
391
ee5e1c65657c Debugging the TMR1...
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parents: 390
diff changeset
188 btfss TMR1L,0 ; Still high?
390
a847f416e67e Debugging timer1
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parents: 379
diff changeset
189 bra $-2 ; max. loop time: 61µs
378
51baf8777b73 testing, removing unused stuff
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diff changeset
190
0
96a35aeda5f2 Initial setup
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191 movlw 0x08 ; Timer1 int after 62.5ms (=16/second)
391
ee5e1c65657c Debugging the TMR1...
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parents: 390
diff changeset
192 cpfslt TMR1H ; Did we miss a 1/16 second?
ee5e1c65657c Debugging the TMR1...
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parents: 390
diff changeset
193 incf timer1int_counter1,F ; Yes, add extra 1/16 second
ee5e1c65657c Debugging the TMR1...
heinrichsweikamp
parents: 390
diff changeset
194
ee5e1c65657c Debugging the TMR1...
heinrichsweikamp
parents: 390
diff changeset
195 movlw 0x08 ; Timer1 int after 62.5ms (=16/second)
0
96a35aeda5f2 Initial setup
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196 subwf TMR1H,F
391
ee5e1c65657c Debugging the TMR1...
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197 bcf PIR1,TMR1IF ; Clear flag
0
96a35aeda5f2 Initial setup
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198
238
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diff changeset
199 incf timer1int_counter1,F ; Increase timer1 counter
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diff changeset
200
0
96a35aeda5f2 Initial setup
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201 movlw d'15' ; One second 16
96a35aeda5f2 Initial setup
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202 cpfsgt timer1int_counter1
96a35aeda5f2 Initial setup
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203 bra sensor_int_pre ; only pressure sensor
238
9581e48a914f Some cleanup in the ISR
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204 rcall RTCisr ; adjust time, then query pressure sensor
0
96a35aeda5f2 Initial setup
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205
96a35aeda5f2 Initial setup
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206 sensor_int_pre:
238
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diff changeset
207 btfsc sleepmode ; In sleepmode?
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208 return ; Yes
0
96a35aeda5f2 Initial setup
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209
340
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210 ; Sensor interput do poll the presure/temperature sensor, download results,
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211 ; compute compensations, and store results in various shared variables.
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212 ;
ecbbbd423e86 BUGFIX save negativ temperatures in logbook (bbbug #6)
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213 ; Input: interupt (every 62.5msec == 16Hz), sensor,
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214 ; last_surfpressure:2.
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215 ;
ecbbbd423e86 BUGFIX save negativ temperatures in logbook (bbbug #6)
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216 ; Output: amb_pressure:2,
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217 ; temperature:2,
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218 ; rel_pressure:2,
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219 ; and the pressure_refresh flag.
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220 ;
ecbbbd423e86 BUGFIX save negativ temperatures in logbook (bbbug #6)
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221 ; NOTE: averaging (4 successive value, as recommended in the MS5535 datasheet)
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222 ; is done on private variables, to avoid trashing data while reading it
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223 ; from the main code.
ecbbbd423e86 BUGFIX save negativ temperatures in logbook (bbbug #6)
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224 ;
341
2144f19fa1eb BUGFIX protect against ISR changing pressure/temperature while reading it.
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225 ; NOTE: Because there is no atomic 16bits load/stores, we need to check twice
2144f19fa1eb BUGFIX protect against ISR changing pressure/temperature while reading it.
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226 ; the read data is correct. Ie. SAFE_2BYTE_COPY is mandatory to get
344
797e2ac42d24 MERGE with 1.91 main trunk.
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diff changeset
227 ; amb_pressure, temperature or rel_pressure
341
2144f19fa1eb BUGFIX protect against ISR changing pressure/temperature while reading it.
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228 ;
0
96a35aeda5f2 Initial setup
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229 sensor_int:
96a35aeda5f2 Initial setup
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230 btfsc no_sensor_int ; No sensor interrupt (because it's addressed during sleep)
96a35aeda5f2 Initial setup
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231 return
96a35aeda5f2 Initial setup
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232
238
9581e48a914f Some cleanup in the ISR
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233 incf timer1int_counter2,F ; counts to eight for state maschine
0
96a35aeda5f2 Initial setup
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234
238
9581e48a914f Some cleanup in the ISR
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diff changeset
235 ; State 1: Clear flags and average registers, get temperature (51us) and start pressure integration (73,5us)
9581e48a914f Some cleanup in the ISR
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236 ; State 2: Get pressure (51us), start temperature integration (73,5us) and calculate temperature compensated pressure (233us)
9581e48a914f Some cleanup in the ISR
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237 ; State 3: Get temperature (51us) and start pressure integration (73,5us)
9581e48a914f Some cleanup in the ISR
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238 ; State 4: Get pressure (51us), start temperature integration (73,5us) and calculate temperature compensated pressure (233us)
9581e48a914f Some cleanup in the ISR
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239 ; State 5: Get temperature (51us) and start pressure integration (73,5us)
9581e48a914f Some cleanup in the ISR
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240 ; State 6: Get pressure (51us), start temperature integration (73,5us) and calculate temperature compensated pressure (233us)
9581e48a914f Some cleanup in the ISR
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241 ; State 7: Get temperature (51us) and start pressure integration (73,5us)
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242 ; 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
9581e48a914f Some cleanup in the ISR
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diff changeset
243
9581e48a914f Some cleanup in the ISR
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244 movff timer1int_counter2,isr_divB ; isr_divB used as temp here...
9581e48a914f Some cleanup in the ISR
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245 dcfsnz isr_divB,F
9581e48a914f Some cleanup in the ISR
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246 bra sensor_int_state1_plus_restart ; Do State 1
9581e48a914f Some cleanup in the ISR
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247 dcfsnz isr_divB,F
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248 bra sensor_int_state2 ; Do State 2
9581e48a914f Some cleanup in the ISR
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249 dcfsnz isr_divB,F
9581e48a914f Some cleanup in the ISR
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250 bra sensor_int_state1 ; Do State 3
9581e48a914f Some cleanup in the ISR
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251 dcfsnz isr_divB,F
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252 bra sensor_int_state2 ; Do State 4
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253 dcfsnz isr_divB,F
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254 bra sensor_int_state1 ; Do State 5
9581e48a914f Some cleanup in the ISR
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255 dcfsnz isr_divB,F
9581e48a914f Some cleanup in the ISR
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256 bra sensor_int_state2 ; Do State 6
9581e48a914f Some cleanup in the ISR
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257 dcfsnz isr_divB,F
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258 bra sensor_int_state1 ; Do State 7
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259 ; bra sensor_int2_plus_average ; Do State 8
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260
9581e48a914f Some cleanup in the ISR
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261 ;sensor_int2_plus_average:
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262 rcall sensor_int_state2
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263 sensor_int2_plus_average2:
340
ecbbbd423e86 BUGFIX save negativ temperatures in logbook (bbbug #6)
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264 bcf STATUS,C ; clear carry bit.
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265 rrcf amb_pressure_avg+1 ; amb_pressure sum / 2
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266 rrcf amb_pressure_avg+0
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267 bcf STATUS,C ; clear carry bit, twice.
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268 rrcf amb_pressure_avg+1 ; amb_pressure sum / 4
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269 rrcf amb_pressure_avg+0
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270
ecbbbd423e86 BUGFIX save negativ temperatures in logbook (bbbug #6)
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271 movff amb_pressure_avg+1,amb_pressure+1 ; copy into actual register
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272 movff amb_pressure_avg+0,amb_pressure+0
238
9581e48a914f Some cleanup in the ISR
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273
340
ecbbbd423e86 BUGFIX save negativ temperatures in logbook (bbbug #6)
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274 bcf STATUS,C
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275 btfsc temperature_avg+1,7 ; Copy sign bit to carry
ecbbbd423e86 BUGFIX save negativ temperatures in logbook (bbbug #6)
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276 bsf STATUS,C
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277 rrcf temperature_avg+1 ; Signed temperature /2
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278 rrcf temperature_avg+0
0
96a35aeda5f2 Initial setup
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279
340
ecbbbd423e86 BUGFIX save negativ temperatures in logbook (bbbug #6)
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280 bcf STATUS,C
ecbbbd423e86 BUGFIX save negativ temperatures in logbook (bbbug #6)
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281 btfsc temperature_avg+1,7 ; Copy sign bit to carry
ecbbbd423e86 BUGFIX save negativ temperatures in logbook (bbbug #6)
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282 bsf STATUS,C
ecbbbd423e86 BUGFIX save negativ temperatures in logbook (bbbug #6)
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283 rrcf temperature_avg+1 ; Signed temperature /4
ecbbbd423e86 BUGFIX save negativ temperatures in logbook (bbbug #6)
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parents: 297
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284 rrcf temperature_avg+0
ecbbbd423e86 BUGFIX save negativ temperatures in logbook (bbbug #6)
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parents: 297
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285
ecbbbd423e86 BUGFIX save negativ temperatures in logbook (bbbug #6)
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286 movff temperature_avg+1,temperature+1
ecbbbd423e86 BUGFIX save negativ temperatures in logbook (bbbug #6)
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287 movff temperature_avg+0,temperature+0
0
96a35aeda5f2 Initial setup
heinrichsweikamp
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288
96a35aeda5f2 Initial setup
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289 bsf pressure_refresh ; Set flag! Temp and pressure were updated!
238
9581e48a914f Some cleanup in the ISR
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290 clrf timer1int_counter2 ; Then reset State counter
0
96a35aeda5f2 Initial setup
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291
96a35aeda5f2 Initial setup
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292 btfss simulatormode_active ; are we in simulator mode?
96a35aeda5f2 Initial setup
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293 bra comp_air_pressure ; no
96a35aeda5f2 Initial setup
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294
96a35aeda5f2 Initial setup
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295 comp_air_pressure0:
398
ab962c4b19d6 Fixing issue 50, correct "Bar" to "bar" in texts and comments
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296 movlw LOW d'1000' ; yes, so simulate 1bar surface pressure
0
96a35aeda5f2 Initial setup
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297 movwf last_surfpressure+0
96a35aeda5f2 Initial setup
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298 movlw HIGH d'1000'
96a35aeda5f2 Initial setup
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299 movwf last_surfpressure+1
96a35aeda5f2 Initial setup
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300
96a35aeda5f2 Initial setup
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301 comp_air_pressure:
96a35aeda5f2 Initial setup
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302 movf last_surfpressure+0,W ; compensate airpressure
96a35aeda5f2 Initial setup
heinrichsweikamp
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303 subwf amb_pressure+0,W
238
9581e48a914f Some cleanup in the ISR
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diff changeset
304 movwf rel_pressure+0 ; rel_pressure stores depth!
0
96a35aeda5f2 Initial setup
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305
96a35aeda5f2 Initial setup
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306 movf last_surfpressure+1,W
96a35aeda5f2 Initial setup
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307 subwfb amb_pressure+1,W
96a35aeda5f2 Initial setup
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308 movwf rel_pressure+1
238
9581e48a914f Some cleanup in the ISR
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diff changeset
309 btfss STATUS,N ; result is below zero?
9581e48a914f Some cleanup in the ISR
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diff changeset
310 return
9581e48a914f Some cleanup in the ISR
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diff changeset
311 clrf rel_pressure+0 ; Yes, do not display negative depths
9581e48a914f Some cleanup in the ISR
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diff changeset
312 clrf rel_pressure+1 ; e.g. when surface air pressure dropped during the dive
0
96a35aeda5f2 Initial setup
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313 return
238
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
314
9581e48a914f Some cleanup in the ISR
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parents: 111
diff changeset
315 sensor_int_state1_plus_restart:
340
ecbbbd423e86 BUGFIX save negativ temperatures in logbook (bbbug #6)
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diff changeset
316 clrf amb_pressure_avg+0 ; pressure average registers
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317 clrf amb_pressure_avg+1
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318 clrf temperature_avg+0
ecbbbd423e86 BUGFIX save negativ temperatures in logbook (bbbug #6)
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diff changeset
319 clrf temperature_avg+1
238
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
320
9581e48a914f Some cleanup in the ISR
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parents: 111
diff changeset
321 sensor_int_state1:
9581e48a914f Some cleanup in the ISR
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diff changeset
322 call get_temperature_value ; State 1: Get temperature
9581e48a914f Some cleanup in the ISR
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diff changeset
323 call get_pressure_start ; and start pressure integration.
9581e48a914f Some cleanup in the ISR
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diff changeset
324 return ; Done.
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
325
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
326 sensor_int_state2:
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
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diff changeset
327 call get_pressure_value ; State2: Get pressure (51us)
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
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diff changeset
328 call get_temperature_start ; and start temperature integration (73,5us)
340
ecbbbd423e86 BUGFIX save negativ temperatures in logbook (bbbug #6)
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diff changeset
329 goto calculate_compensation ; calculate temperature compensated pressure (233us)
238
9581e48a914f Some cleanup in the ISR
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parents: 111
diff changeset
330
340
ecbbbd423e86 BUGFIX save negativ temperatures in logbook (bbbug #6)
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parents: 297
diff changeset
331 ;=============================================================================
0
96a35aeda5f2 Initial setup
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332
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
333 RTCisr:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
334 clrf timer1int_counter1 ; counts to 16 (one second / 62.5ms)
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
335 bsf onesecupdate ; we have a new second!
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
336
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
337 bcf STATUS,Z ; are we in dive mode?
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
338 btfss divemode
238
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
339 bra RTCisr2 ; No, must be surface or sleepmode
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
340
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
341 incf samplesecs,F ; CF20 diving seconds done
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
342 decf samplesecs_value,W ; holds CF20 value (minus 1 into WREG)
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
343 cpfsgt samplesecs
238
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
344 bra RTCisr1 ; no
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
345
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
346 clrf samplesecs ; clear counter...
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
347 bsf store_sample ; ...and set bit for profile storage
238
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
348
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
349 RTCisr1:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
350 ; Increase re-setable average depth divetime counter
111
ed7826c740a0 1.74beta rc1
heinrichsweikamp
parents: 49
diff changeset
351 incf average_divesecs+0,F ; increase stopwatch registers
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
352 btfsc STATUS,Z
357
562f1bc79f3c Bugfix: Wake-up into divemode with 1.91alpha
Heinrichsweikamp
parents: 347
diff changeset
353 incf average_divesecs+1,F ; increase stopwatch registers
562f1bc79f3c Bugfix: Wake-up into divemode with 1.91alpha
Heinrichsweikamp
parents: 347
diff changeset
354 ; Increase total divetime (Regardless of CF01)
562f1bc79f3c Bugfix: Wake-up into divemode with 1.91alpha
Heinrichsweikamp
parents: 347
diff changeset
355 incf total_divetime_seconds+0,F ; increase stopwatch registers
562f1bc79f3c Bugfix: Wake-up into divemode with 1.91alpha
Heinrichsweikamp
parents: 347
diff changeset
356 btfsc STATUS,Z
562f1bc79f3c Bugfix: Wake-up into divemode with 1.91alpha
Heinrichsweikamp
parents: 347
diff changeset
357 incf total_divetime_seconds+1,F ; increase stopwatch registers
562f1bc79f3c Bugfix: Wake-up into divemode with 1.91alpha
Heinrichsweikamp
parents: 347
diff changeset
358
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
359 btfss divemode2 ; displayed divetime is running?
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
360 bra RTCisr2 ; No (e.g. too shallow)
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
361
357
562f1bc79f3c Bugfix: Wake-up into divemode with 1.91alpha
Heinrichsweikamp
parents: 347
diff changeset
362 ; increase divetime registers (Displayed dive time)
562f1bc79f3c Bugfix: Wake-up into divemode with 1.91alpha
Heinrichsweikamp
parents: 347
diff changeset
363 incf divesecs,F
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
364 movlw d'59'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
365 cpfsgt divesecs
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
366 bra RTCisr1a
238
9581e48a914f Some cleanup in the ISR
heinrichsweikamp
parents: 111
diff changeset
367
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
368 clrf divesecs
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
369 bsf realdive ; this bit is always set (again) if the dive is longer then one minute
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
370
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
371 incf divemins+0,F ; increase divemins
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
372 btfsc STATUS,Z
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
373 incf divemins+1,F ; and now do the realtime clock routine anyway
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
374
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
375 RTCisr1a:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
376 btfss FLAG_apnoe_mode ; Are we in Apnoe mode?
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
377 bra RTCisr2 ; No, skip the following
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
378
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
379 incf apnoe_secs,F ; increase descent registers
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
380 movlw d'59'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
381 cpfsgt apnoe_secs
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
382 bra RTCisr2
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
383 clrf apnoe_secs
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
384
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
385 incf apnoe_mins,F ; increase descent mins
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
386 ; Now, do the RTC routine....
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
387 RTCisr2:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
388 incf secs,F ; adjusts seconds, minutes, hours, day, month and year. Checks for a leap year and works until 2099!
356
9ef9b681f38f BUGFIX time_correction_value (CF48) > 60 or < 0.
JeanDo
parents: 347
diff changeset
389 movlw d'60'
359
91352bb698cf Oups... time to sleep !
JeanDo
parents: 356
diff changeset
390 cpfseq secs ; Secs == 60 ?
91352bb698cf Oups... time to sleep !
JeanDo
parents: 356
diff changeset
391 return ; NO : done.
91352bb698cf Oups... time to sleep !
JeanDo
parents: 356
diff changeset
392 clrf secs ; YES: increment minutes instead...
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
393 bsf oneminupdate
497
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
394
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
395 btfss divemode ; In Divemode?
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
396 rcall check_nofly_desat_time ; No, so reduce NoFly and Desat and increase interval
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
397
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
398 incf mins,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
399 movlw d'59'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
400 cpfsgt mins
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
401 return
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
402 clrf mins
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
403 incf hours,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
404 movlw d'23'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
405 cpfsgt hours
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
406 return
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
407 clrf hours
13
3b30cd739782 1.53 beta rc2
heinrichsweikamp
parents: 0
diff changeset
408 incf day,F
392
8e272339fb68 1.91beta RC
heinrichsweikamp
parents: 391
diff changeset
409 movff time_correction_value,secs ; Correct too slow clock
13
3b30cd739782 1.53 beta rc2
heinrichsweikamp
parents: 0
diff changeset
410
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
411 check_date:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
412 movff month,isr_divB ; new month?
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
413 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
414 movlw .31
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
415 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
416 movlw .28
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
417 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
418 movlw .31
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
419 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
420 movlw .30
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
421 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
422 movlw .31
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
423 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
424 movlw .30
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
425 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
426 movlw .31
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
427 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
428 movlw .31
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
429 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
430 movlw .30
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
431 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
432 movlw .31
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
433 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
434 movlw .30
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
435 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
436 movlw .31
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
437 cpfsgt day,1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
438 return
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
439 movlw .1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
440 movwf day
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
441 incf month,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
442 movlw .12
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
443 cpfsgt month,1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
444 return
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
445 movlw .1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
446 movwf month
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
447 incf year,F
497
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
448 return
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
449
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
450 check_nofly_desat_time:
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
451 bcf nofly_active ; Clear flag
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
452 movf nofly_time+0,W ; Is nofly null ?
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
453 iorwf nofly_time+1,W
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
454 bz check_nofly_desat_time2 ; yes...
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
455
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
456 bsf nofly_active ; Set flag (again)
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
457 movlw d'1'
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
458 subwf nofly_time+0,F
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
459 movlw d'0'
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
460 subwfb nofly_time+1,F ; reduce by one
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
461
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
462 check_nofly_desat_time2:
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
463 movff desaturation_time_buffer+0,lo
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
464 movff desaturation_time_buffer+1,hi
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
465
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
466 movf lo,W ; Is Desat null ?
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
467 iorwf hi,W
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
468 bz check_nofly_desat_time3 ; yes...
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
469
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
470 movlw d'1'
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
471 subwf lo,F
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
472 movlw d'0'
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
473 subwfb hi,F ; reduce by one...
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
474
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
475 movff lo,desaturation_time_buffer+0 ; ...and copy back
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
476 movff hi,desaturation_time_buffer+1
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
477
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
478 check_nofly_desat_time3:
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
479 ; Now increase interval timer
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
480 movff desaturation_time_buffer+0,lo
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
481 movff desaturation_time_buffer+1,hi
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
482 tstfsz lo ;=0?
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
483 bra calc_surface_interval2 ; No
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
484 tstfsz hi ;=0?
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
485 bra calc_surface_interval2 ; No
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
486 clrf surface_interval+0
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
487 clrf surface_interval+1 ; Clear surface interval timer
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
488 return ; Done.
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
489
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
490 calc_surface_interval2: ; Increase surface interval timer
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
491 movlw d'1'
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
492 addwf surface_interval+0,F
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
493 movlw d'0'
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
494 addwfc surface_interval+1,F
06db5dd9149f show numeric _and_ graphic velocity, move desat, nofly and interval into isr
heinrichsweikamp
parents: 402
diff changeset
495 return ; Done