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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 ; Mainroutines for divemode
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20 ; written by: Matthias Heinrichs, info@heinrichsweikamp.com
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21 ; written: 10/01/05
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22 ; last updated: 15/05/08
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23 ; known bugs:
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24 ; ToDo:
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25
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26 diveloop:
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27 call diveloop_boot ; Boot tasks for all modes
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28
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29 ; Startup Tasks for all modes
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30 ostc_debug 'R' ; Sends debug-information to screen if debugmode active
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31 call PLED_ClearScreen ; clean up OLED
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32 call PLED_divemode_mask ; Display mask
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33 call PLED_active_gas_divemode ; Display gas, if required
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34 call PLED_temp_divemode ; Displays temperature
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35
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36 btfsc FLAG_apnoe_mode
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37 bsf realdive ; Set Realdive flag in Apnoe mode
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38
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39 btfsc gauge_mode
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40 bra diveloop_loop ; Skip in gauge mode
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41 btfsc FLAG_apnoe_mode
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42 bra diveloop_loop ; Skip in apnoe mode
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43
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44 ; Startup Tasks for deco modes
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45 call PLED_display_ndl_mask ; display "no stop" if not in gauge or apnoe mode
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46
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47 diveloop_loop: ; The diveloop starts here
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48 btfss onesecupdate ; tasks any new second
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49 bra diveloop_loop2
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50
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51 btfsc gauge_mode ; Only in gauge mode
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52 bra diveloop_loop1a ; One Second Tasks in Gauge mode
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53 btfsc FLAG_apnoe_mode ; Only in apnoe mode
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54 bra diveloop_loop1b ; One Second Tasks in Apnoe mode
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55 btfsc FLAG_const_ppO2_mode ; only in const_ppO2_mode
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56 bra diveloop_loop1c ; One Second Tasks in const_ppO2 mode
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57
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58 ; Tasks only for OC modes
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59 call check_ppO2 ; check ppO2 and displays warning if required
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60 call calc_deko_divemode ; calculate decompression and display result (any two seconds)
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61 bra diveloop_loop1x ; Common Tasks
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62
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63 ; Tasks only for Gauge mode
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64 diveloop_loop1a:
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65 btfss premenu ; Is the divemode menu active?
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66 call PLED_divemins ; display (new) divetime!
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67 call timeout_divemode ; dive finished? This routine sets the required flags
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68
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69 btfsc stopwatch_active ; =1: Show Average Depth instead of Temperature
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70 call PLED_stopwatch_show ; Show stopwatch only in Average mode
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71
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72 btfsc twosecupdate ; two seconds after the last call
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73 bra diveloop_loop1a2 ; Common Tasks
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74
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75 bsf twosecupdate ; Routines used in the "other second"
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76 call calc_average_depth ; calculate average depth
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77
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78 bra diveloop_loop1x ; Common Tasks
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79
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80 diveloop_loop1a2:
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81 bcf twosecupdate
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82 bra diveloop_loop1x ; Common Tasks
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83
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84 ; Tasks only for Apnoe mode
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85 diveloop_loop1b:
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86 call divemode_apnoe_tasks ; 1 sec. Apnoe tasks
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87 bra diveloop_loop1x ; Common Tasks
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88
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89 ; Tasks only for ppO2 mode
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90 diveloop_loop1c:
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91 call PLED_const_ppO2_value ; display const ppO2 setting in [Bar]
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92 call calc_deko_divemode ; calculate decompression and display result (any two seconds)
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3
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93 btfsc is_bailout ; Are we in Bailout mode?
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94 call check_ppO2_bail ; Yes, display ppO2 (If required)
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95
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0
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96 bra diveloop_loop1x ; Common Tasks
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97
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98 ; Common Tasks for all modes
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99 diveloop_loop1x:
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100 call timeout_divemode ; dive finished? This routine sets the required flags
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101 btfsc low_battery_state ; If battery is low, then...
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102 call update_batt_voltage_divemode ; Display Battery Symbol/Voltage!
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103 btfsc premenu ; is Menu? displayed?
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104 call timeout_premenu_divemode ; No, so check for timeout premenu
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105 btfsc menubit ; is the Dive mode menu displayed?
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106 call timeout_divemenu ; Yes, so check for timeout divemenu
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107 call set_leds_divemode ; Sets warnings, if required. Also Sets buzzer
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108 btfsc enter_error_sleep ; Enter Fatal Error Routine?
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16
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109 call fatal_error_sleep ; Yes (In Sleepmode_vxx.asm!)
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0
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110
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111 btfsc stopwatch_active ; =1: Show Average Depth instead of Temperature
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112 call PLED_stopwatch_show ; Show stopwatch only in Average mode
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113
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114 bcf onesecupdate ; one seconds update done
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115
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116 GETCUSTOM8 d'38' ; Show seconds (=1?)
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117 movwf lo
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118 movlw d'1'
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119 cpfseq lo ; =1?
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120 bra diveloop_loop2 ; No, minutes only
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121 bsf update_divetime ; Set Update flag
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122
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123
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124 diveloop_loop2:
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125 btfss update_divetime ; display new divetime?
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126 bra diveloop_loop3 ; No
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127 btfsc premenu ; Is the divemode menu active?
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128 bra diveloop_loop2a ; Yes
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129 call PLED_divemins ; Display (new) divetime!
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130 btfsc FLAG_const_ppO2_mode ; only in const_ppO2_mode
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131 call PLED_const_ppO2_value ; display const ppO2 setting in [Bar]
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132 btfsc ppO2_show_value ; show ppO2?
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133 call check_ppO2 ; check ppO2 and displays warning if required
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134
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135 diveloop_loop2a:
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136 bcf update_divetime ; clear flag
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137
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138
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139 diveloop_loop3:
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140 btfss menubit ; Divemode menu active?
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141 call test_switches_divemode ; No, Check switches normal
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142
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143 btfsc menubit ; Divemode menu active?
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144 call test_switches_divemode_menu ; Yes, check switches divemode menu
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145
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146 btfss divemode ; Dive finished?
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147 bra end_dive ; Dive finished!
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148
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149 btfsc pressure_refresh ; new pressure available?
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150 call update_divemode1 ; Yes, display new depth
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151 bcf pressure_refresh ; until new pressure is available
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152
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153 btfsc oneminupdate ; one minute tasks
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154 call update_divemode60 ; Update clock, etc.
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155
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156 btfsc store_sample ; store new sample?
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157 call store_dive_data ; Store profile data
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158
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2
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159 btfsc menubit ; Sleep only with inactive menu...
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160 bra diveloop_loop4
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161
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162 btfsc simulatormode_active ; Do not sleep in Simualtor mode
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163 bra diveloop_loop4
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164
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0
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165 sleep
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166 nop
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2
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167 diveloop_loop4:
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0
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168 bra diveloop_loop ; Loop the divemode
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169
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170 timeout_premenu_divemode:
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171 incf timeout_counter3,F ; Yes...
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172
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173 GETCUSTOM8 d'4' ; loads premenu_timeout into WREG
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174 cpfsgt timeout_counter3 ; ... longer then premenu_timeout
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175 return ; No!
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176
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177 bcf premenu ; Yes, so clear "Menu?" and clear pre_menu bit
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178 call PLED_menu_clear ; Remove "Menu?"
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179 return
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180
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181 divemode_apnoe_tasks: ; 1 sec. Apnoe tasks
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182 call PLED_display_apnoe_descent ; Show descent timer
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183
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184 btfsc divemode2 ; Time running?
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185 bra divemode_apnoe_tasks2 ; New descent, reset data if flag is set
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186
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187 call PLED_display_apnoe_surface
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188 incf apnoe_surface_secs,F
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189 movlw d'60'
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190 cpfseq apnoe_surface_secs
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191 bra divemode_apnoe_tasks1
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192 clrf apnoe_surface_secs
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193 incf apnoe_surface_mins,F
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194
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195 divemode_apnoe_tasks1:
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196 bcf FLAG_active_descent ; Clear flag
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197 btfsc divemode2 ; Time running?
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198 return ; Yes, return
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199
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200 bsf FLAG_active_descent ; Set Flag
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201 return
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202
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203 divemode_apnoe_tasks2:
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204 btfss FLAG_active_descent ; Are descending?
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205 return ; No, We are at the surface
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206 rcall apnoe_calc_maxdepth ; Yes!
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207
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208 divemode_apnoe_tasks3:
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209 call PLED_apnoe_clear_surface ; Clear Surface timer
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210
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211 clrf apnoe_timeout_counter ; Delete timeout
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212 clrf apnoe_surface_secs
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213 clrf apnoe_surface_mins
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214 clrf apnoe_secs
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215 clrf apnoe_mins ; Reset Descent time
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216 clrf max_pressure+0
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217 clrf max_pressure+1 ; Reset Max. Depth
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218 bcf FLAG_active_descent ; Clear flag
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219 return
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220
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221 apnoe_calc_maxdepth:
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222 movff apnoe_max_pressure+0,sub_a+0
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223 movff apnoe_max_pressure+1,sub_a+1
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224 movff max_pressure+0,sub_b+0
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225 movff max_pressure+1,sub_b+1
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226 call sub16 ; sub_c = sub_a - sub_b
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227 ; apnoe_max_pressure<max_pressure -> neg_flag=1
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228 ; max_pressure<=apnoe_max_pressure -> neg_flag=0
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229 btfss neg_flag
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230 return
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231 ;apnoe_max_pressure<max_pressure
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232 movff max_pressure+0,apnoe_max_pressure+0
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233 movff max_pressure+1,apnoe_max_pressure+1
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234 return
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235
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236 set_leds_divemode:
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237 bcf LED_red ; LEDy OFF
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0
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238 movff char_O_gradient_factor,lo ; gradient factor absolute
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239
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240 GETCUSTOM8 d'14' ; threshold for LED warning
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241 cpfslt lo ;
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242 call warn_gf1 ; show warning, set flags
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243
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244 btfsc ppO2_warn_value ; warn because of too high ppO2?
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245 bsf LED_red ; Yes
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0
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246
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247 movff char_I_deco_model,lo
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248 decfsz lo,W ; jump over return if char_I_deco_model == 1
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249 return
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250
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251 movff char_O_relative_gradient_GF,lo ; gradient factor relative (GF model)
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252
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253 GETCUSTOM8 d'14' ; threshold for LED warning
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254 cpfslt lo ;
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255 call warn_gf1 ; show warning, set flags
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256
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257 btfsc ppO2_warn_value ; warn because of too high ppO2?
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258 bsf LED_red ; Yes
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0
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259
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260 return
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261
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262 warn_gf1:
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263 bsf LED_red ; LED Yellow on
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0
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264 movlw d'2' ; Type of Alarm
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265 movwf AlarmType ; Copy to Alarm Register
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266 bsf event_occured ; Set Event Flag
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267 return
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268
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269 calc_deko_divemode:
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270 btfsc twosecupdate ; two seconds after the last call
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271 bra calc_deko_divemode2 ; Yes, calculate and display deco data ("first second")
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272
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273 bsf twosecupdate ; No, but next second!
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0
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274 ; Routines used in the "other second"
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275 call calc_average_depth ; calculate average depth
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276 call calc_velocity ; calculate vertical velocity and display if > threshold (every two seconds)
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277
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278 ; calculate ppO2 in 0.1Bar (e.g. 150 = 1.50Bar ppO2)
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279 movff amb_pressure+0,xA+0
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280 movff amb_pressure+1,xA+1
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281 movlw d'10'
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0
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282 movwf xB+0
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283 clrf xB+1
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284 call div16x16 ; xC=p_amb/10
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285 movff xC+0,xA+0
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286 movff xC+1,xA+1
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287 movff char_I_O2_ratio,xB+0
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288 clrf xB+1
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289 call mult16x16 ; char_I_O2_ratio * p_amb/10
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290 movff xC+0,xA+0
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291 movff xC+1,xA+1
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292 movlw d'100'
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0
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293 movwf xB+0
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294 clrf xB+1
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295 call div16x16 ; xC=(char_I_O2_ratio * p_amb/10)/100
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296
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297 ; Copy ppO2 for CNS calculation
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298 movff xC+0, char_I_actual_ppO2 ; copy last ppO2 to buffer register
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299 btfsc FLAG_const_ppO2_mode ; do in const_ppO2_mode
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300 movff char_I_const_ppO2, char_I_actual_ppO2 ; copy last ppO2 to buffer register
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301
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302 ; Calculate CNS
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303 call main_calc_CNS_fraction ; calculate CNS
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304 movlb b'00000001' ; rambank 1 selected
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305
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306 ; Check if CNS should be displayed
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307 movff char_O_CNS_fraction,lo ; copy into bank1
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308 GETCUSTOM8 d'27' ; cns_display_high
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309 subwf lo,W
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310 btfsc STATUS,C
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311 call PLED_display_cns ; Show CNS
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8
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312 call check_gas_change ; Checks if a better gas should be selected (by user)
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313
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0
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314 ; Check for decompression gases if in decomode
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315 btfss dekostop_active
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316 bra reset_decompression_gases ; While in NDL, do not set deompression gas
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317
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38
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318 divemode_check_decogases: ; CALLed from Simulator
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33
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319 ; Copy active gases to char_I_deco_N2_ratio and char_I_deco_He_ratio
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49
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320 read_int_eeprom d'97' ; Read He ratio
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321 movff EEDATA,char_I_deco_He_ratio5 ; And copy into hold register
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322 read_int_eeprom d'96' ; Read O2 ratio
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323 movff char_I_deco_He_ratio5, wait_temp ; copy into bank1 register
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324 bsf STATUS,C ;
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325 movlw d'100' ; 100%
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326 subfwb wait_temp,W ; minus He
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327 subfwb EEDATA,F ; minus O2
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328 movff EEDATA, char_I_deco_N2_ratio5; = N2!
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0
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329
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49
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330 read_int_eeprom d'101' ; Read He ratio
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331 movff EEDATA,char_I_deco_He_ratio4 ; And copy into hold register
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332 read_int_eeprom d'100' ; Read O2 ratio
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333 movff char_I_deco_He_ratio4, wait_temp ; copy into bank1 register
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334 bsf STATUS,C ;
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335 movlw d'100' ; 100%
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336 subfwb wait_temp,W ; minus He
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337 subfwb EEDATA,F ; minus O2
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338 movff EEDATA, char_I_deco_N2_ratio4; = N2!
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339
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340 read_int_eeprom d'105' ; Read He ratio
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341 movff EEDATA,char_I_deco_He_ratio3 ; And copy into hold register
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342 read_int_eeprom d'104' ; Read O2 ratio
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343 movff char_I_deco_He_ratio3, wait_temp ; copy into bank1 register
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344 bsf STATUS,C ;
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345 movlw d'100' ; 100%
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346 subfwb wait_temp,W ; minus He
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347 subfwb EEDATA,F ; minus O2
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348 movff EEDATA, char_I_deco_N2_ratio3; = N2!
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349
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350 read_int_eeprom d'109' ; Read He ratio
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351 movff EEDATA,char_I_deco_He_ratio2 ; And copy into hold register
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352 read_int_eeprom d'108' ; Read O2 ratio
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353 movff char_I_deco_He_ratio2, wait_temp ; copy into bank1 register
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354 bsf STATUS,C ;
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355 movlw d'100' ; 100%
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356 subfwb wait_temp,W ; minus He
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357 subfwb EEDATA,F ; minus O2
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358 movff EEDATA, char_I_deco_N2_ratio2; = N2!
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0
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359
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45
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360 read_int_eeprom d'113' ; Read He ratio
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39
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361 movff EEDATA,char_I_deco_He_ratio ; And copy into hold register
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45
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362 read_int_eeprom d'112' ; Read O2 ratio
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39
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363 movff char_I_deco_He_ratio, wait_temp ; copy into bank1 register
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364 bsf STATUS,C ;
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365 movlw d'100' ; 100%
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366 subfwb wait_temp,W ; minus He
|
|
|
367 subfwb EEDATA,F ; minus O2
|
|
|
368 movff EEDATA, char_I_deco_N2_ratio; = N2!
|
|
|
369
|
|
45
|
370 ; Now, set change depth. Inactive gases have depth=0!
|
|
33
|
371
|
|
45
|
372 read_int_eeprom d'118' ; read gas_change_depth Gas1
|
|
|
373 movff EEDATA,char_I_deco_gas_change5
|
|
49
|
374 read_int_eeprom d'119' ; read gas_change_depth Gas2
|
|
45
|
375 movff EEDATA,char_I_deco_gas_change4
|
|
49
|
376 read_int_eeprom d'120' ; read gas_change_depth Gas3
|
|
45
|
377 movff EEDATA,char_I_deco_gas_change3
|
|
49
|
378 read_int_eeprom d'121' ; read gas_change_depth Gas4
|
|
45
|
379 movff EEDATA,char_I_deco_gas_change2
|
|
49
|
380 read_int_eeprom d'122' ; read gas_change_depth Gas5
|
|
45
|
381 movff EEDATA,char_I_deco_gas_change
|
|
|
382
|
|
38
|
383
|
|
|
384 ; Debugger
|
|
45
|
385 ; call enable_rs232
|
|
39
|
386 ; movff char_I_deco_He_ratio5,TXREG
|
|
|
387 ; call rs232_wait_tx ; wait for UART
|
|
|
388 ; movff char_I_deco_N2_ratio5,TXREG
|
|
|
389 ; call rs232_wait_tx ; wait for UART
|
|
|
390 ; movff char_I_deco_He_ratio4,TXREG
|
|
|
391 ; call rs232_wait_tx ; wait for UART
|
|
|
392 ; movff char_I_deco_N2_ratio4,TXREG
|
|
|
393 ; call rs232_wait_tx ; wait for UART
|
|
|
394 ; movff char_I_deco_He_ratio3,TXREG
|
|
|
395 ; call rs232_wait_tx ; wait for UART
|
|
|
396 ; movff char_I_deco_N2_ratio3,TXREG
|
|
|
397 ; call rs232_wait_tx ; wait for UART
|
|
|
398 ; movff char_I_deco_He_ratio2,TXREG
|
|
|
399 ; call rs232_wait_tx ; wait for UART
|
|
|
400 ; movff char_I_deco_N2_ratio2,TXREG
|
|
|
401 ; call rs232_wait_tx ; wait for UART
|
|
|
402 ; movff char_I_deco_He_ratio,TXREG
|
|
|
403 ; call rs232_wait_tx ; wait for UART
|
|
|
404 ; movff char_I_deco_N2_ratio,TXREG
|
|
|
405 ; call rs232_wait_tx ; wait for UART
|
|
|
406 ; movff char_I_deco_gas_change5,TXREG
|
|
|
407 ; call rs232_wait_tx ; wait for UART
|
|
|
408 ; movff char_I_deco_gas_change4,TXREG
|
|
|
409 ; call rs232_wait_tx ; wait for UART
|
|
|
410 ; movff char_I_deco_gas_change3,TXREG
|
|
|
411 ; call rs232_wait_tx ; wait for UART
|
|
|
412 ; movff char_I_deco_gas_change2,TXREG
|
|
|
413 ; call rs232_wait_tx ; wait for UART
|
|
|
414 ; movff char_I_deco_gas_change,TXREG
|
|
|
415 ; call rs232_wait_tx ; wait for UART
|
|
47
|
416
|
|
33
|
417 return
|
|
0
|
418
|
|
|
419 reset_decompression_gases: ; reset the deco gas while in NDL
|
|
|
420 ostc_debug 'F' ; Sends debug-information to screen if debugmode active
|
|
|
421 clrf lo
|
|
38
|
422 movff lo,char_I_deco_gas_change5
|
|
|
423 movff lo,char_I_deco_gas_change4
|
|
|
424 movff lo,char_I_deco_gas_change3
|
|
|
425 movff lo,char_I_deco_gas_change2
|
|
49
|
426 movff lo,char_I_deco_gas_change ; clear
|
|
0
|
427 return
|
|
|
428
|
|
|
429 calc_deko_divemode2:
|
|
|
430 bcf twosecupdate
|
|
|
431
|
|
|
432 btfsc gauge_mode ; ignore decompression calculation in gauge mode
|
|
|
433 return
|
|
|
434 btfsc FLAG_apnoe_mode ; ignore decompression calculation in apnoe mode
|
|
|
435 return
|
|
|
436
|
|
|
437 ostc_debug 'B' ; Sends debug-information to screen if debugmode active
|
|
|
438 call divemode_prepare_flags_for_deco
|
|
40
|
439
|
|
|
440 movlw d'0'
|
|
|
441 movff WREG,char_I_step_is_1min ; 2 second deco mode
|
|
|
442
|
|
0
|
443 call deco_main_calc_hauptroutine ; calc_tissue
|
|
|
444 movlb b'00000001' ; rambank 1 selected
|
|
|
445 ostc_debug 'C' ; Sends debug-information to screen if debugmode active
|
|
|
446
|
|
|
447 movff char_O_deco_status,deco_status ;
|
|
|
448 tstfsz deco_status ; deco_status=0 if decompression calculation done
|
|
|
449 return ; calculation not yet finished!
|
|
|
450
|
|
|
451 movff char_O_array_decodepth+0,wait_temp ; copy ceiling to temp register
|
|
|
452 tstfsz wait_temp ; Ceiling<0m?
|
|
|
453 bra calc_deko_divemode3 ; Yes!
|
|
|
454
|
|
|
455 btfsc dekostop_active
|
|
|
456 call PLED_display_ndl_mask ; Clear deco data, display nostop time
|
|
|
457 bcf dekostop_active ; clear flag
|
|
|
458
|
|
|
459 clrf decodata+0 ; for profile memory
|
|
|
460 movff char_O_nullzeit,decodata+1 ; nostop time
|
|
|
461
|
|
|
462 call PLED_display_ndl ; display no deco limit
|
|
|
463 return
|
|
|
464
|
|
|
465 divemode_prepare_flags_for_deco:
|
|
|
466 movff amb_pressure+0,int_I_pres_respiration+0 ; lo and copy result to deco routine
|
|
|
467 movff amb_pressure+1,int_I_pres_respiration+1 ; hi
|
|
|
468 GETCUSTOM8 d'11' ; Saturation multiplier %
|
|
|
469 movwf wait_temp
|
|
|
470 movff wait_temp,char_I_saturation_multiplier
|
|
|
471 GETCUSTOM8 d'12' ; Desaturation multiplier %
|
|
|
472 movwf wait_temp
|
|
|
473 movff wait_temp,char_I_desaturation_multiplier
|
|
|
474 GETCUSTOM8 d'16' ; Deco distance to decostop in 1/10 meter for simulation
|
|
|
475 movwf wait_temp
|
|
|
476 movff wait_temp,char_I_deco_distance
|
|
|
477 GETCUSTOM8 d'29' ; Depth Last Deco in meter for simulation
|
|
|
478 movwf wait_temp
|
|
|
479 movff wait_temp,char_I_depth_last_deco
|
|
|
480 call restart_set_modes_and_flags ; Sets decomode (char_I_deco_model) and flags (again)
|
|
|
481 return
|
|
|
482
|
|
|
483 calc_deko_divemode3:
|
|
|
484 btfss dekostop_active
|
|
|
485 call PLED_display_deko_mask ; clear nostop time, display decodata
|
|
|
486 bsf dekostop_active ; Set flag
|
|
|
487
|
|
|
488 movff char_O_array_decodepth+0,decodata+0 ; ceiling
|
|
|
489 movff char_O_array_decotime,decodata+1 ; length of first stop in minues
|
|
|
490
|
|
|
491 call PLED_display_deko ; display decodata
|
|
|
492 return
|
|
|
493
|
|
|
494 store_dive_data: ; CF20 seconds gone
|
|
|
495 bcf store_sample ; update only any CF20 seconds
|
|
|
496 bsf update_divetime ; update divemins every CF20 seconds
|
|
|
497
|
|
21
|
498 bcf LED_red ; LEDr off (Marker)
|
|
0
|
499
|
|
33
|
500 btfsc simulatormode_active ; Are we in simulator mode?
|
|
|
501 return ; Yes, discard everything
|
|
|
502
|
|
0
|
503 btfsc header_stored ; Header already stored?
|
|
|
504 bra store_dive_data2 ; Yes, store only profile data
|
|
|
505 bsf header_stored ; Store header
|
|
|
506
|
|
|
507 movff eeprom_address+0, eeprom_header_address+0 ; store startposition
|
|
|
508 movff eeprom_address+1, eeprom_header_address+1 ; store startposition
|
|
|
509
|
|
|
510 ; shift address for header
|
|
|
511 ; the header will be stored after the dive
|
|
|
512 incf_eeprom_address d'47' ; Macro, that adds 8Bit to eeprom_address:2 with banking at 0x8000
|
|
|
513
|
|
|
514 store_dive_data2:
|
|
|
515 movf rel_pressure+0,W ; store depth with every sample
|
|
|
516 call write_external_eeprom
|
|
|
517 movf rel_pressure+1,W
|
|
|
518 call write_external_eeprom
|
|
|
519
|
|
|
520 ;First, find out how many bytes will append to this sample....
|
|
|
521 clrf ProfileFlagByte ; clear number of bytes to append
|
|
|
522
|
|
|
523 ; Check Extented informations
|
|
|
524 decfsz divisor_temperature,W ; Check divisor
|
|
|
525 bra check_extended1
|
|
|
526 movlw d'2' ; Information length
|
|
|
527 addwf ProfileFlagByte,F ; add to ProfileFlagByte
|
|
|
528 check_extended1:
|
|
|
529 decfsz divisor_deco,W ; Check divisor
|
|
|
530 bra check_extended2
|
|
|
531 movlw d'2' ; Information length
|
|
|
532 addwf ProfileFlagByte,F ; add to ProfileFlagByte
|
|
|
533 check_extended2:
|
|
|
534 decfsz divisor_tank,W ; Check divisor
|
|
|
535 bra check_extended3
|
|
|
536 movlw d'2' ; Information length
|
|
|
537 addwf ProfileFlagByte,F ; add to ProfileFlagByte
|
|
|
538 check_extended3:
|
|
|
539 decfsz divisor_ppo2,W ; Check divisor
|
|
|
540 bra check_extended4
|
|
|
541 movlw d'3' ; Information length
|
|
|
542 addwf ProfileFlagByte,F ; add to ProfileFlagByte
|
|
|
543 check_extended4:
|
|
|
544 decfsz divisor_deco_debug,W; Check divisor
|
|
|
545 bra check_extended5
|
|
|
546 movlw d'9' ; Information length
|
|
|
547 addwf ProfileFlagByte,F ; add to ProfileFlagByte
|
|
|
548 check_extended5:
|
|
|
549 decfsz divisor_nuy2,W ; Check divisor
|
|
|
550 bra check_extended6
|
|
|
551 movlw d'0' ; Information length
|
|
|
552 addwf ProfileFlagByte,F ; add to ProfileFlagByte
|
|
|
553 check_extended6:
|
|
|
554
|
|
|
555 ; Second, check global event flag
|
|
|
556 btfss event_occured ; Check global event flag
|
|
|
557 bra store_dive_data3 ; No Event
|
|
|
558 movlw d'1'
|
|
|
559 addwf ProfileFlagByte,F ; add one byte (The EventByte)
|
|
|
560
|
|
|
561 clrf EventByte ; reset EventByte
|
|
|
562
|
|
|
563 movf AlarmType,W ; Type of Alarm Bit 0-3
|
|
|
564 addwf EventByte,F ; Copy to EventByte Bit 0-3
|
|
|
565 clrf AlarmType ; Reset AlarmType
|
|
|
566
|
|
|
567 ; Third, check events and add aditional bytes
|
|
|
568 btfss manual_gas_changed ; Check flag
|
|
|
569 bra check_event1
|
|
|
570 movlw d'2' ; Information length
|
|
|
571 addwf ProfileFlagByte,F ; add to ProfileFlagByte
|
|
|
572 bsf EventByte,4 ; Also set Flag in EventByte!
|
|
|
573 check_event1:
|
|
|
574 btfss stored_gas_changed ; Check flag
|
|
|
575 bra check_event2
|
|
|
576 movlw d'1' ; Information length
|
|
|
577 addwf ProfileFlagByte,F ; add to ProfileFlagByte
|
|
|
578 bsf EventByte,5 ; Also set Flag in EventByte!
|
|
|
579 check_event2:
|
|
|
580 bsf ProfileFlagByte,7 ; Set EventByte Flag in ProfileFlagByte
|
|
|
581
|
|
|
582 store_dive_data3:
|
|
|
583 movf ProfileFlagByte,W ; finally, write ProfileFlagByte!
|
|
|
584 call write_external_eeprom
|
|
|
585
|
|
|
586 btfss event_occured ; Check global event flag (again)
|
|
|
587 bra store_dive_data4 ; No Event
|
|
|
588
|
|
|
589 ; Store the EventByte + additional bytes now
|
|
|
590 movf EventByte,W
|
|
|
591 call write_external_eeprom
|
|
|
592
|
|
|
593 btfss manual_gas_changed ; Check flag
|
|
|
594 bra store_dive_data3a
|
|
|
595 read_int_eeprom d'24' ; % O2 Gas6
|
|
|
596 movf EEDATA,W
|
|
|
597 call write_external_eeprom
|
|
|
598 read_int_eeprom d'25' ; % He Gas6
|
|
|
599 movf EEDATA,W
|
|
|
600 call write_external_eeprom
|
|
|
601
|
|
|
602 store_dive_data3a:
|
|
|
603 btfss stored_gas_changed ; Check flag
|
|
|
604 bra store_dive_data3b
|
|
|
605 movf active_gas,W ; Store active gas
|
|
|
606 call write_external_eeprom
|
|
|
607
|
|
|
608 store_dive_data3b:
|
|
|
609
|
|
|
610 store_dive_data4:
|
|
|
611 bcf event_occured ; Clear the global event flag
|
|
|
612 bcf manual_gas_changed ; Clear all events
|
|
|
613 bcf stored_gas_changed ; Clear all events
|
|
|
614
|
|
|
615 ; Store extended informations
|
|
|
616 decfsz divisor_temperature,F ; Check divisor
|
|
|
617 bra store_extended1
|
|
|
618 rcall store_dive_temperature
|
|
|
619 store_extended1:
|
|
|
620 decfsz divisor_deco,F ; Check divisor
|
|
|
621 bra store_extended2
|
|
|
622 rcall store_dive_decodata
|
|
|
623 store_extended2:
|
|
|
624 decfsz divisor_tank,F ; Check divisor
|
|
|
625 bra store_extended3
|
|
|
626 rcall store_dive_tankdata
|
|
|
627 store_extended3:
|
|
|
628 decfsz divisor_ppo2,F ; Check divisor
|
|
|
629 bra store_extended4
|
|
|
630 rcall store_dive_ppo2
|
|
|
631 store_extended4:
|
|
|
632 decfsz divisor_deco_debug,F; Check divisor
|
|
|
633 bra store_extended5
|
|
|
634 rcall store_dive_decodebug
|
|
|
635 store_extended5:
|
|
|
636 decfsz divisor_nuy2,F ; Check divisor
|
|
|
637 bra store_extended6
|
|
|
638 rcall store_dive_nuy2
|
|
|
639 store_extended6:
|
|
|
640
|
|
|
641 ; The next block is required to take care of "store never"
|
|
|
642 btfsc divisor_temperature,7 ; Test highest Bit (Register must have been zero before the "decfsz" command!)
|
|
|
643 clrf divisor_temperature ; And clear register again, so it will never reach zero...
|
|
|
644 btfsc divisor_deco,7 ; Test highest Bit (Register must have been zero before the "decfsz" command!)
|
|
|
645 clrf divisor_deco ; And clear register again, so it will never reach zero...
|
|
|
646 btfsc divisor_tank,7 ; Test highest Bit (Register must have been zero before the "decfsz" command!)
|
|
|
647 clrf divisor_tank ; And clear register again, so it will never reach zero...
|
|
|
648 btfsc divisor_ppo2,7 ; Test highest Bit (Register must have been zero before the "decfsz" command!)
|
|
|
649 clrf divisor_ppo2 ; And clear register again, so it will never reach zero...
|
|
|
650 btfsc divisor_deco_debug,7 ; Test highest Bit (Register must have been zero before the "decfsz" command!)
|
|
|
651 clrf divisor_deco_debug ; And clear register again, so it will never reach zero...
|
|
|
652 btfsc divisor_nuy2,7 ; Test highest Bit (Register must have been zero before the "decfsz" command!)
|
|
|
653 clrf divisor_nuy2 ; And clear register again, so it will never reach zero...
|
|
|
654
|
|
|
655 ostc_debug 'D' ; Sends debug-information to screen if debugmode active
|
|
|
656 return ; Done.
|
|
|
657
|
|
|
658 store_dive_nuy2:
|
|
|
659 GETCUSTOM8 d'26'
|
|
|
660 movwf divisor_nuy2 ; Reload divisor from CF
|
|
|
661 return
|
|
|
662
|
|
|
663 store_dive_decodebug:
|
|
|
664 movff 0x931,divisor_deco_debug ; Used as temp
|
|
|
665 movf divisor_deco_debug,W ; copy to WREG
|
|
|
666 call write_external_eeprom ; Store in EEPROM
|
|
|
667 movff 0x930,divisor_deco_debug ; Used as temp
|
|
|
668 movf divisor_deco_debug,W ; copy to WREG
|
|
|
669 call write_external_eeprom ; Store in EEPROM
|
|
|
670 movff 0x933,divisor_deco_debug ; Used as temp
|
|
|
671 movf divisor_deco_debug,W ; copy to WREG
|
|
|
672 call write_external_eeprom ; Store in EEPROM
|
|
|
673 movff 0x932,divisor_deco_debug ; Used as temp
|
|
|
674 movf divisor_deco_debug,W ; copy to WREG
|
|
|
675 call write_external_eeprom ; Store in EEPROM
|
|
|
676 movff 0x935,divisor_deco_debug ; Used as temp
|
|
|
677 movf divisor_deco_debug,W ; copy to WREG
|
|
|
678 call write_external_eeprom ; Store in EEPROM
|
|
|
679 movff 0x934,divisor_deco_debug ; Used as temp
|
|
|
680 movf divisor_deco_debug,W ; copy to WREG
|
|
|
681 call write_external_eeprom ; Store in EEPROM
|
|
|
682 movff 0x937,divisor_deco_debug ; Used as temp
|
|
|
683 movf divisor_deco_debug,W ; copy to WREG
|
|
|
684 call write_external_eeprom ; Store in EEPROM
|
|
|
685 movff 0x936,divisor_deco_debug ; Used as temp
|
|
|
686 movf divisor_deco_debug,W ; copy to WREG
|
|
|
687 call write_external_eeprom ; Store in EEPROM
|
|
|
688 movff 0x938,divisor_deco_debug ; Used as temp
|
|
|
689 movf divisor_deco_debug,W ; copy to WREG
|
|
|
690 call write_external_eeprom ; Store in EEPROM
|
|
|
691 GETCUSTOM8 d'25'
|
|
|
692 movwf divisor_deco_debug ; Reload divisor from CF
|
|
|
693 return
|
|
|
694
|
|
|
695 store_dive_ppo2:
|
|
|
696 movlw 0x00 ; Dummy
|
|
|
697 call write_external_eeprom
|
|
|
698 movlw 0x00 ; Dummy
|
|
|
699 call write_external_eeprom
|
|
|
700 movlw 0x00 ; Dummy
|
|
|
701 call write_external_eeprom
|
|
|
702 GETCUSTOM8 d'24'
|
|
|
703 movwf divisor_ppo2 ; Reload divisor from CF
|
|
|
704 return
|
|
|
705
|
|
|
706 store_dive_tankdata:
|
|
|
707 movlw d'0' ; Dummy Tank1
|
|
|
708 call write_external_eeprom
|
|
|
709 movlw d'0' ; Dummy Tank2
|
|
|
710 call write_external_eeprom
|
|
|
711 GETCUSTOM8 d'23'
|
|
|
712 movwf divisor_tank ; Reload divisor from CF
|
|
|
713 return
|
|
|
714
|
|
|
715 store_dive_decodata:
|
|
|
716 movf decodata+0,W ; =0:no stop dive, if in deco mode: ceiling in m
|
|
|
717 call write_external_eeprom
|
|
|
718 movf decodata+1,W ; no stop time of length of first stop
|
|
|
719 call write_external_eeprom
|
|
|
720 GETCUSTOM8 d'22'
|
|
|
721 movwf divisor_deco ; Reload divisor from CF
|
|
|
722 return
|
|
|
723
|
|
|
724 store_dive_temperature:
|
|
|
725 movf temperature+0,W ; append temperature to current sample!
|
|
|
726 call write_external_eeprom
|
|
|
727 movf temperature+1,W
|
|
|
728 call write_external_eeprom
|
|
|
729 GETCUSTOM8 d'21'
|
|
|
730 movwf divisor_temperature ; Reload divisor from CF
|
|
|
731 return
|
|
|
732
|
|
|
733 calc_velocity: ; called every two seconds
|
|
|
734 btfss divemode
|
|
|
735 bra do_not_display_velocity ; display velocity only in divemode
|
|
|
736
|
|
|
737 calc_velocity2:
|
|
|
738 movff amb_pressure+0,sub_a+0
|
|
|
739 movff amb_pressure+1,sub_a+1
|
|
|
740 movff last_pressure+0,sub_b+0
|
|
|
741 movff last_pressure+1,sub_b+1
|
|
|
742 movff amb_pressure+0,last_pressure+0 ; store old value for velocity
|
|
|
743 movff amb_pressure+1,last_pressure+1
|
|
|
744
|
|
|
745 call sub16 ; sub_c = amb_pressure - last_pressure
|
|
|
746
|
|
|
747 movff sub_c+0,xA+0
|
|
|
748 movff sub_c+1,xA+1
|
|
|
749 movlw d'39' ;77 when called every second....
|
|
|
750 movwf xB+0
|
|
|
751 clrf xB+1
|
|
|
752 call mult16x16 ; differential pressure in mBar*77...
|
|
|
753 movff xC+0,divA+0
|
|
|
754 movff xC+1,divA+1
|
|
|
755 movlw d'7'
|
|
|
756 movwf divB
|
|
|
757 call div16 ; devided by 2^7 equals velocity in m/min
|
|
|
758
|
|
|
759 movlw d'99'
|
|
|
760 cpfsgt divA
|
|
|
761 bra calc_velocity3
|
|
|
762 movwf divA ; divA=99
|
|
|
763
|
|
|
764 calc_velocity3:
|
|
|
765
|
|
|
766 GETCUSTOM8 d'5' ; threshold for display vertical velocity
|
|
|
767 subwf divA+0,W ;
|
|
|
768
|
|
|
769 btfss STATUS,C
|
|
|
770 bra do_not_display_velocity
|
|
|
771
|
|
|
772 update_velocity:
|
|
|
773 bsf display_velocity
|
|
|
774 call PLED_display_velocity
|
|
|
775 return
|
|
|
776
|
|
|
777 do_not_display_velocity:
|
|
|
778 btfss display_velocity ; Velocity was not displayed, do not delete
|
|
|
779 return
|
|
|
780
|
|
|
781 bcf display_velocity ; Velocity was displayed, delete velocity now
|
|
|
782 call PLED_display_velocity_clear
|
|
|
783 return
|
|
|
784
|
|
|
785 check_ppO2: ; check current ppO2 and display warning if required
|
|
|
786 btfsc FLAG_const_ppO2_mode ; ignore in ppO2 mode....
|
|
|
787 return
|
|
|
788
|
|
3
|
789 check_ppO2_bail: ; In CC mode but bailout active!
|
|
0
|
790 movff amb_pressure+0,xA+0
|
|
|
791 movff amb_pressure+1,xA+1
|
|
|
792 movlw d'10'
|
|
|
793 movwf xB+0
|
|
|
794 clrf xB+1
|
|
|
795 call div16x16 ; xC=p_amb/10
|
|
|
796 movff xC+0,xA+0
|
|
|
797 movff xC+1,xA+1
|
|
|
798 movff char_I_O2_ratio,xB+0
|
|
|
799 clrf xB+1
|
|
|
800 call mult16x16 ; char_I_O2_ratio * p_amb/10
|
|
|
801
|
|
|
802 ; Check if ppO2 should be displayed
|
|
|
803 movff xC+0,sub_b+0
|
|
|
804 movff xC+1,sub_b+1
|
|
|
805 GETCUSTOM8 d'19' ; ppo2_display_high
|
|
|
806 mullw d'100' ; ppo2_display_high*100
|
|
|
807 movff PRODL,sub_a+0
|
|
|
808 movff PRODH,sub_a+1
|
|
|
809 call sub16
|
|
|
810 bcf ppO2_show_value ; clear flag
|
|
|
811 btfsc neg_flag
|
|
|
812 bsf ppO2_show_value ; set flag if required
|
|
|
813
|
|
|
814 ;check if we are within our warning thresholds!
|
|
|
815 bcf ppO2_warn_value ; clear flag
|
|
|
816 movff xC+0,sub_b+0
|
|
|
817 movff xC+1,sub_b+1
|
|
|
818 GETCUSTOM8 d'18' ; ppo2_warning_high
|
|
|
819 mullw d'100' ; ppo2_warning_high*100
|
|
|
820 movff PRODL,sub_a+0
|
|
|
821 movff PRODH,sub_a+1
|
|
|
822 call sub16
|
|
|
823 btfss neg_flag
|
|
|
824 bra check_ppO2_0 ; Not too high
|
|
|
825
|
|
|
826 bsf ppO2_warn_value ; set flag
|
|
|
827 movlw d'5' ; Type of Alarm
|
|
|
828 movwf AlarmType ; Copy to Alarm Register
|
|
|
829 bsf event_occured ; Set Event Flag
|
|
|
830
|
|
|
831 check_ppO2_0:
|
|
|
832 movff xC+0,sub_b+0
|
|
|
833 movff xC+1,sub_b+1
|
|
|
834 GETCUSTOM8 d'17' ; ppo2_warning_low
|
|
|
835 mullw d'100' ; ppo2_warning_low*100
|
|
|
836 movff PRODL,sub_a+0
|
|
|
837 movff PRODH,sub_a+1
|
|
|
838 call sub16
|
|
|
839 btfsc neg_flag
|
|
|
840 bra check_ppO2_1 ; Not too low
|
|
|
841
|
|
|
842 bsf ppO2_warn_value ; set flag
|
|
|
843 bsf ppO2_show_value ; show ppO2 if below threshold!
|
|
|
844 movlw d'4' ; Type of Alarm
|
|
|
845 movwf AlarmType ; Copy to Alarm Register
|
|
|
846 bsf event_occured ; Set Event Flag
|
|
|
847
|
|
|
848 check_ppO2_1:
|
|
|
849 btfsc ppO2_show_value ; show value?
|
|
|
850 bra check_ppO2_2 ; yes!
|
|
|
851
|
|
|
852 btfss ppO2_display_active ; is the value displayed?
|
|
|
853 bra check_ppO2_3 ; No, so clear not required
|
|
|
854
|
|
|
855 call PLED_show_ppO2_clear; Clear ppO2 value
|
|
|
856 bcf ppO2_display_active ; clear flag
|
|
|
857 bra check_ppO2_3 ; done
|
|
|
858
|
|
|
859 check_ppO2_2:
|
|
|
860 call PLED_show_ppO2 ; Display ppO2 (stored in xC)
|
|
|
861 bsf ppO2_display_active ; Set flag
|
|
|
862
|
|
|
863 check_ppO2_3:
|
|
|
864 return ; done
|
|
|
865
|
|
|
866
|
|
8
|
867 check_gas_change: ; Checks if a better gas should be selected (by user)
|
|
|
868 bcf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode
|
|
|
869
|
|
|
870 movff rel_pressure+0,xA+0
|
|
|
871 movff rel_pressure+1,xA+1
|
|
|
872 movlw d'100'
|
|
|
873 movwf xB+0
|
|
|
874 clrf xB+1
|
|
|
875 call div16x16 ; compute depth in full m -> result in xC+0
|
|
|
876
|
|
|
877 check_gas_change1: ; check gas1
|
|
|
878 read_int_eeprom d'27' ; read flag register
|
|
|
879 btfss EEDATA,0 ; check active flag
|
|
|
880 bra check_gas_change2 ; skip inactive gases!
|
|
|
881 movlw d'1'
|
|
|
882 cpfseq active_gas ; is this gas currently selected?
|
|
|
883 bra check_gas_change1x ; No...
|
|
|
884 bra check_gas_change2 ; Yes, skip depth check
|
|
|
885 check_gas_change1x:
|
|
|
886 read_int_eeprom d'28' ; read gas_change_depth
|
|
|
887 movlw d'3'
|
|
|
888 cpfsgt EEDATA ; Change depth>3m?
|
|
|
889 bra check_gas_change2 ; No, Change depth not deep enough, skip!
|
|
|
890 movf xC+0,W ; load depth in m into WREG
|
|
|
891 cpfsgt EEDATA ; gas_change_depth < current depth?
|
|
|
892 bra check_gas_change2 ; No, check next gas
|
|
|
893 movlw d'3'
|
|
|
894 subwf EEDATA,W ; Change depth-3m
|
|
|
895 cpfslt xC+0 ; current depth<Change depth-3m?
|
|
|
896 bsf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode
|
|
|
897
|
|
|
898 check_gas_change2: ; check gas2
|
|
|
899 read_int_eeprom d'27' ; read flag register
|
|
|
900 btfss EEDATA,1 ; check active flag
|
|
|
901 bra check_gas_change3 ; skip inactive gases!
|
|
|
902 movlw d'2'
|
|
|
903 cpfseq active_gas ; is this gas currently selected?
|
|
|
904 bra check_gas_change2x ; No...
|
|
|
905 bra check_gas_change3 ; Yes, skip depth check
|
|
|
906 check_gas_change2x:
|
|
|
907 read_int_eeprom d'29' ; read gas_change_depth
|
|
|
908 movlw d'3'
|
|
|
909 cpfsgt EEDATA ; Change depth>3m?
|
|
|
910 bra check_gas_change3 ; No, Change depth not deep enough, skip!
|
|
|
911 movf xC+0,W ; load depth in m into WREG
|
|
|
912 cpfsgt EEDATA ; gas_change_depth < current depth?
|
|
|
913 bra check_gas_change3 ; No, check next gas
|
|
|
914 movlw d'3'
|
|
|
915 subwf EEDATA,W ; Change depth-3m
|
|
|
916 cpfslt xC+0 ; current depth<Change depth-3m?
|
|
|
917 bsf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode
|
|
|
918
|
|
|
919 check_gas_change3: ; check gas3
|
|
|
920 read_int_eeprom d'27' ; read flag register
|
|
|
921 btfss EEDATA,2 ; check active flag
|
|
|
922 bra check_gas_change4 ; skip inactive gases!
|
|
|
923 movlw d'3'
|
|
|
924 cpfseq active_gas ; is this gas currently selected?
|
|
|
925 bra check_gas_change3x ; No...
|
|
|
926 bra check_gas_change4 ; Yes, skip depth check
|
|
|
927 check_gas_change3x:
|
|
|
928 read_int_eeprom d'30' ; read gas_change_depth
|
|
|
929 movlw d'3'
|
|
|
930 cpfsgt EEDATA ; Change depth>3m?
|
|
|
931 bra check_gas_change4 ; No, Change depth not deep enough, skip!
|
|
|
932 movf xC+0,W ; load depth in m into WREG
|
|
|
933 cpfsgt EEDATA ; gas_change_depth < current depth?
|
|
|
934 bra check_gas_change4 ; No, check next gas
|
|
|
935 movlw d'3'
|
|
|
936 subwf EEDATA,W ; Change depth-3m
|
|
|
937 cpfslt xC+0 ; current depth<Change depth-3m?
|
|
|
938 bsf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode
|
|
|
939
|
|
|
940 check_gas_change4: ; check gas4
|
|
|
941 read_int_eeprom d'27' ; read flag register
|
|
|
942 btfss EEDATA,3 ; check active flag
|
|
|
943 bra check_gas_change5 ; skip inactive gases!
|
|
|
944 movlw d'4'
|
|
|
945 cpfseq active_gas ; is this gas currently selected?
|
|
|
946 bra check_gas_change4x ; No...
|
|
|
947 bra check_gas_change5 ; Yes, skip depth check
|
|
|
948 check_gas_change4x:
|
|
|
949 read_int_eeprom d'31' ; read gas_change_depth
|
|
|
950 cpfsgt EEDATA ; Change depth>3m?
|
|
|
951 bra check_gas_change5 ; No, Change depth not deep enough, skip!
|
|
|
952 movf xC+0,W ; load depth in m into WREG
|
|
|
953 cpfsgt EEDATA ; gas_change_depth < current depth?
|
|
|
954 bra check_gas_change5 ; No, check next gas
|
|
|
955 movlw d'3'
|
|
|
956 subwf EEDATA,W ; Change depth-3m
|
|
|
957 cpfslt xC+0 ; current depth<Change depth-3m?
|
|
|
958 bsf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode
|
|
|
959
|
|
|
960 check_gas_change5: ; check gas5
|
|
|
961 read_int_eeprom d'27' ; read flag register
|
|
|
962 btfss EEDATA,4 ; check active flag
|
|
|
963 bra check_gas_change6 ; skip inactive gases!
|
|
|
964 movlw d'5'
|
|
|
965 cpfseq active_gas ; is this gas currently selected?
|
|
|
966 bra check_gas_change5x ; No...
|
|
|
967 bra check_gas_change6 ; Yes, skip depth check
|
|
|
968 check_gas_change5x:
|
|
|
969 read_int_eeprom d'32' ; read gas_change_depth
|
|
|
970 cpfsgt EEDATA ; Change depth>3m?
|
|
|
971 bra check_gas_change6 ; No, Change depth not deep enough, skip!
|
|
|
972 movf xC+0,W ; load depth in m into WREG
|
|
|
973 cpfsgt EEDATA ; gas_change_depth < current depth?
|
|
|
974 bra check_gas_change6 ; No, check next gas
|
|
|
975 movlw d'3'
|
|
|
976 subwf EEDATA,W ; Change depth-3m
|
|
|
977 cpfslt xC+0 ; current depth<Change depth-3m?
|
|
|
978 bsf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode
|
|
|
979
|
|
|
980 check_gas_change6: ;Done
|
|
|
981 call PLED_active_gas_divemode ; Display gas, if required (and with "*" if irequired...)
|
|
|
982 return
|
|
|
983
|
|
0
|
984 calculate_noflytime:
|
|
|
985 ; calculate nofly time
|
|
|
986 movff int_O_desaturation_time+0,xA+0
|
|
|
987 movff int_O_desaturation_time+1,xA+1
|
|
|
988 tstfsz xA+0 ; Desat=0?
|
|
|
989 bra calculate_noflytime2
|
|
|
990 tstfsz xA+1 ; Desat=0?
|
|
|
991 bra calculate_noflytime2
|
|
|
992 ; Desaturation time = zero
|
|
|
993 movlw d'1'
|
|
|
994 movwf nofly_time+0 ; Clear nofly time
|
|
|
995 clrf nofly_time+1 ; Clear nofly time
|
|
|
996 bcf nofly_active ; Clear flag
|
|
|
997 return
|
|
|
998
|
|
|
999 calculate_noflytime2:
|
|
|
1000 movff xA+0,int_I_temp+0
|
|
|
1001 movff xA+1,int_I_temp+1
|
|
|
1002 GETCUSTOM8 .13 ; nofly_time_ratio
|
|
|
1003 movwf xB+0
|
|
|
1004 movff xB,char_I_temp
|
|
|
1005 ostc_debug 'K' ; Sends debug-information to screen if debugmode active
|
|
|
1006 call main_calc_percentage
|
|
|
1007 movlb b'00000001' ; select ram bank 1
|
|
|
1008 ostc_debug 'L' ; Sends debug-information to screen if debugmode active
|
|
|
1009 movff int_I_temp+0,xA+0
|
|
|
1010 movff int_I_temp+1,xA+1
|
|
|
1011 tstfsz xA+0 ; Desat=0?
|
|
|
1012 bra calculate_noflytime_2_final
|
|
|
1013 tstfsz xA+1 ; Desat=0?
|
|
|
1014 bra calculate_noflytime_2_final
|
|
|
1015 ; noflytime = zero
|
|
|
1016 movlw d'1'
|
|
|
1017 movwf nofly_time+0 ; Clear nofly time
|
|
|
1018 clrf nofly_time+1 ; Clear nofly time
|
|
|
1019 bcf nofly_active ; Clear flag
|
|
|
1020 return
|
|
|
1021 calculate_noflytime_2_final:
|
|
|
1022 movff xA+0,nofly_time+0
|
|
|
1023 movff xA+1,nofly_time+1
|
|
|
1024 bsf nofly_active ; Set flag
|
|
|
1025 return
|
|
|
1026
|
|
|
1027 end_dive:
|
|
|
1028 btfss realdive ; dive longer then one minute
|
|
|
1029 goto end_dive_common ; No, discard everything
|
|
|
1030
|
|
33
|
1031 btfsc simulatormode_active ; Are we in simulator mode?
|
|
|
1032 goto end_dive_common ; Yes, discard everything
|
|
|
1033
|
|
0
|
1034 ; Dive finished (and longer then one minute or Apnoe timeout occured)
|
|
|
1035
|
|
|
1036 btfsc FLAG_apnoe_mode ; Calc max. depth (again) for very short apnoe dives
|
|
|
1037 rcall apnoe_calc_maxdepth
|
|
|
1038
|
|
|
1039 ; calculate desaturation time
|
|
|
1040 movff last_surfpressure_30min+0,int_I_pres_respiration+0 ; copy surface air pressure to deco routine
|
|
|
1041 movff last_surfpressure_30min+1,int_I_pres_respiration+1 ; 30min old values
|
|
|
1042
|
|
|
1043 GETCUSTOM8 d'12' ; Desaturation multiplier %
|
|
|
1044 movwf wait_temp
|
|
|
1045 movff wait_temp,char_I_desaturation_multiplier
|
|
|
1046
|
|
|
1047 ostc_debug 'G' ; Sends debug-information to screen if debugmode active
|
|
|
1048 call deco_main_calc_desaturation_time ; calculate desaturation time
|
|
|
1049 movlb b'00000001' ; select ram bank 1
|
|
|
1050 rcall calculate_noflytime ; Calc NoFly time
|
|
|
1051 ostc_debug 'H' ; Sends debug-information to screen if debugmode active
|
|
|
1052 ; store header and ...
|
|
|
1053 movlw 0xFD ; .... End-of-Profile Bytes
|
|
|
1054 call write_external_eeprom
|
|
|
1055 movlw 0xFD
|
|
|
1056 call write_external_eeprom
|
|
|
1057 movlw 0xFE ; This positon will be overwritten for the next profile
|
|
|
1058 call write_external_eeprom ; and is required to find the newest dive after a firmware reset
|
|
|
1059
|
|
|
1060 movff eeprom_header_address+0, eeprom_address+0 ; set header adress
|
|
|
1061 movff eeprom_header_address+1, eeprom_address+1 ; write header
|
|
|
1062
|
|
|
1063 movlw 0xFA ; Header start
|
|
|
1064 call write_external_eeprom
|
|
|
1065 movlw 0xFA
|
|
|
1066 call write_external_eeprom
|
|
|
1067 movlw logbook_profile_version ; Defined in definitions_vxyy.asm
|
|
|
1068 call write_external_eeprom
|
|
|
1069 movf month,W ; Date
|
|
|
1070 call write_external_eeprom
|
|
|
1071 movf day,W
|
|
|
1072 call write_external_eeprom
|
|
|
1073 movf year,W
|
|
|
1074 call write_external_eeprom
|
|
|
1075 movf hours,W ; End of dive time
|
|
|
1076 call write_external_eeprom
|
|
|
1077 movf mins,W
|
|
|
1078 call write_external_eeprom
|
|
|
1079
|
|
|
1080 btfss FLAG_apnoe_mode ; Store apnoe max or normal max (Which is only max from the last descent)
|
|
|
1081 bra end_dive1 ; Store normal depth
|
|
|
1082
|
|
|
1083 movff apnoe_max_pressure+0,lo
|
|
|
1084 movff apnoe_max_pressure+1,hi
|
|
|
1085 call adjust_depth_with_salinity ; computes salinity setting into lo:hi [mBar]
|
|
|
1086 movff lo,apnoe_max_pressure+0
|
|
|
1087 movff hi,apnoe_max_pressure+1
|
|
|
1088
|
|
|
1089 movf apnoe_max_pressure+0,W ; Max. depth
|
|
|
1090 call write_external_eeprom
|
|
|
1091 movf apnoe_max_pressure+1,W
|
|
|
1092 call write_external_eeprom
|
|
|
1093 bra end_dive2 ; skip
|
|
|
1094
|
|
|
1095 end_dive1:
|
|
|
1096 movff max_pressure+0,lo
|
|
|
1097 movff max_pressure+1,hi
|
|
|
1098 call adjust_depth_with_salinity ; computes salinity setting into lo:hi [mBar]
|
|
|
1099 movff lo,max_pressure+0
|
|
|
1100 movff hi,max_pressure+1
|
|
|
1101
|
|
|
1102 movf max_pressure+0,W ; Max. depth
|
|
|
1103 call write_external_eeprom
|
|
|
1104 movf max_pressure+1,W
|
|
|
1105 call write_external_eeprom
|
|
|
1106
|
|
|
1107 end_dive2:
|
|
|
1108 movf divemins+0,W ; divetime minutes
|
|
|
1109 call write_external_eeprom
|
|
|
1110 movf divemins+1,W
|
|
|
1111 call write_external_eeprom
|
|
|
1112 movf divesecs,W ; divetime seconds
|
|
|
1113 call write_external_eeprom
|
|
|
1114 movf mintemp+0,W ; minimum temperature
|
|
|
1115 call write_external_eeprom
|
|
|
1116 movf mintemp+1,W
|
|
|
1117 call write_external_eeprom
|
|
|
1118 movf last_surfpressure_30min+0,W ; airpressure before dive
|
|
|
1119 call write_external_eeprom
|
|
|
1120 movf last_surfpressure_30min+1,W
|
|
|
1121 call write_external_eeprom
|
|
|
1122 movff int_O_desaturation_time+0,lo ;
|
|
|
1123 movff int_O_desaturation_time+1,hi
|
|
|
1124 movf lo,W ; desaturation time in minutes
|
|
|
1125 call write_external_eeprom
|
|
|
1126 movf hi,W ;
|
|
|
1127 call write_external_eeprom
|
|
|
1128
|
|
|
1129 ; Gases....
|
|
|
1130 read_int_eeprom d'6' ; Read byte (stored in EEDATA)
|
|
|
1131 movf EEDATA,W
|
|
|
1132 call write_external_eeprom
|
|
|
1133 read_int_eeprom d'7' ; Read byte (stored in EEDATA)
|
|
|
1134 movf EEDATA,W
|
|
|
1135 call write_external_eeprom
|
|
|
1136
|
|
|
1137 read_int_eeprom d'10' ; Read byte (stored in EEDATA)
|
|
|
1138 movf EEDATA,W
|
|
|
1139 call write_external_eeprom
|
|
|
1140 read_int_eeprom d'11' ; Read byte (stored in EEDATA)
|
|
|
1141 movf EEDATA,W
|
|
|
1142 call write_external_eeprom
|
|
|
1143
|
|
|
1144 read_int_eeprom d'14' ; Read byte (stored in EEDATA)
|
|
|
1145 movf EEDATA,W
|
|
|
1146 call write_external_eeprom
|
|
|
1147 read_int_eeprom d'15' ; Read byte (stored in EEDATA)
|
|
|
1148 movf EEDATA,W
|
|
|
1149 call write_external_eeprom
|
|
|
1150
|
|
|
1151 read_int_eeprom d'18' ; Read byte (stored in EEDATA)
|
|
|
1152 movf EEDATA,W
|
|
|
1153 call write_external_eeprom
|
|
|
1154 read_int_eeprom d'19' ; Read byte (stored in EEDATA)
|
|
|
1155 movf EEDATA,W
|
|
|
1156 call write_external_eeprom
|
|
|
1157
|
|
|
1158 read_int_eeprom d'22' ; Read byte (stored in EEDATA)
|
|
|
1159 movf EEDATA,W
|
|
|
1160 call write_external_eeprom
|
|
|
1161 read_int_eeprom d'23' ; Read byte (stored in EEDATA)
|
|
|
1162 movf EEDATA,W
|
|
|
1163 call write_external_eeprom
|
|
|
1164
|
|
|
1165 read_int_eeprom d'24' ; % O2 Gas6
|
|
|
1166 movf EEDATA,W
|
|
|
1167 call write_external_eeprom
|
|
|
1168 read_int_eeprom d'25' ; % He Gas6
|
|
|
1169 movf EEDATA,W
|
|
|
1170 call write_external_eeprom
|
|
|
1171 read_int_eeprom d'33' ; start gas
|
|
|
1172 movf EEDATA,W
|
|
|
1173 call write_external_eeprom
|
|
|
1174
|
|
|
1175 movlw softwareversion_x ; Firmware version
|
|
|
1176 call write_external_eeprom
|
|
|
1177 movlw softwareversion_y
|
|
|
1178 call write_external_eeprom
|
|
|
1179 movf batt_voltage+0,W ; Battery voltage
|
|
|
1180 call write_external_eeprom
|
|
|
1181 movf batt_voltage+1,W
|
|
|
1182 call write_external_eeprom
|
|
|
1183
|
|
|
1184 GETCUSTOM8 d'20' ; sampling rate in WREG
|
|
|
1185 btfsc FLAG_apnoe_mode ; Apnoe mode?
|
|
|
1186 movlw d'1' ; Apnoe sampling rate
|
|
|
1187 call write_external_eeprom
|
|
|
1188
|
|
|
1189 movlw d'2' ; information size temperature
|
|
|
1190 movwf temp1 ; copy to bits 0-3
|
|
|
1191 swapf temp1,F ; swap nibbels 0-3 with 4-7
|
|
|
1192 GETCUSTOM8 d'21' ; Divisor temperature
|
|
|
1193 addwf temp1,W ; copy to bits 0-3, result in WREG
|
|
|
1194 call write_external_eeprom
|
|
|
1195
|
|
|
1196 movlw d'2' ; information size deco
|
|
|
1197 movwf temp1 ; copy to bits 0-3
|
|
|
1198 swapf temp1,F ; swap nibbels 0-3 with 4-7
|
|
|
1199 GETCUSTOM8 d'22' ; Divisor deco
|
|
|
1200 addwf temp1,W ; copy to bits 0-3, result in WREG
|
|
|
1201 call write_external_eeprom
|
|
|
1202
|
|
|
1203 movlw d'2' ; information size tank
|
|
|
1204 movwf temp1 ; copy to bits 0-3
|
|
|
1205 swapf temp1,F ; swap nibbels 0-3 with 4-7
|
|
|
1206 GETCUSTOM8 d'23' ; Divisor Tank
|
|
|
1207 addwf temp1,W ; copy to bits 0-3, result in WREG
|
|
|
1208 call write_external_eeprom
|
|
|
1209
|
|
|
1210 movlw d'3' ; information size pp02
|
|
|
1211 movwf temp1 ; copy to bits 0-3
|
|
|
1212 swapf temp1,F ; swap nibbels 0-3 with 4-7
|
|
|
1213 GETCUSTOM8 d'24' ; Divisor pp02
|
|
|
1214 addwf temp1,W ; copy to bits 0-3, result in WREG
|
|
|
1215 call write_external_eeprom
|
|
|
1216
|
|
|
1217 movlw d'9' ; information size Decodebug
|
|
|
1218 movwf temp1 ; copy to bits 0-3
|
|
|
1219 swapf temp1,F ; swap nibbels 0-3 with 4-7
|
|
|
1220 GETCUSTOM8 d'25' ; Divisor Decodebug
|
|
|
1221 addwf temp1,W ; copy to bits 0-3, result in WREG
|
|
|
1222 call write_external_eeprom
|
|
|
1223
|
|
|
1224 movlw d'0' ; information size nuy2
|
|
|
1225 movwf temp1 ; copy to bits 0-3
|
|
|
1226 swapf temp1,F ; swap nibbels 0-3 with 4-7
|
|
|
1227 GETCUSTOM8 d'26' ; Divisor nuy2
|
|
|
1228 addwf temp1,W ; copy to bits 0-3, result in WREG
|
|
|
1229 call write_external_eeprom
|
|
|
1230
|
|
|
1231 read_int_eeprom d'26' ; Read Salinity from EEPROM
|
|
|
1232 movf EEDATA,W
|
|
|
1233 call write_external_eeprom ; Store Salinity to Dive
|
|
|
1234
|
|
|
1235 movlw d'0' ; Spare
|
|
|
1236 call write_external_eeprom
|
|
|
1237
|
|
|
1238 movlw 0xFB ; Header stop
|
|
|
1239 call write_external_eeprom
|
|
|
1240 movlw 0xFB
|
|
|
1241 call write_external_eeprom
|
|
|
1242
|
|
|
1243 ; Increase total dive counter
|
|
|
1244 read_int_eeprom d'2' ; Read byte (stored in EEDATA)
|
|
|
1245 movff EEDATA,temp1 ; Low byte
|
|
|
1246 read_int_eeprom d'3' ; Read byte (stored in EEDATA)
|
|
|
1247 movff EEDATA,temp2 ; high byte
|
|
|
1248 bcf STATUS,C
|
|
|
1249 movlw d'1'
|
|
|
1250 addwf temp1
|
|
|
1251 movlw d'0'
|
|
|
1252 addwfc temp2
|
|
|
1253 movff temp1,EEDATA
|
|
|
1254 write_int_eeprom d'2' ; write byte stored in EEDATA
|
|
|
1255 movff temp2,EEDATA
|
|
|
1256 write_int_eeprom d'3' ; write byte stored in EEDATA
|
|
|
1257
|
|
|
1258 GETCUSTOM15 .28 ; Logbook Offset -> lo, hi
|
|
|
1259 tstfsz lo ; lo=0?
|
|
|
1260 bra change_logbook_offset1 ; No, adjust offset
|
|
|
1261 tstfsz hi ; hi=0?
|
|
|
1262 bra change_logbook_offset1 ; No, adjust offset
|
|
|
1263 bra change_logbook_offset2 ; lo=0 and hi=0 -> skip Offset routine
|
|
|
1264 change_logbook_offset1:
|
|
|
1265 movlw d'1'
|
|
|
1266 addwf lo
|
|
|
1267 movlw d'0'
|
|
|
1268 addwfc hi
|
|
|
1269 movlw d'112' ; CF28 *4 Bytes...
|
|
|
1270 addlw 0x82
|
|
|
1271 movwf EEADR
|
|
|
1272 movff lo,EEDATA
|
|
|
1273 call write_eeprom ; Lowbyte
|
|
|
1274 movlw d'112' ; CF28 *4 Bytes...
|
|
|
1275 addlw 0x83
|
|
|
1276 movwf EEADR
|
|
|
1277 movff hi,EEDATA
|
|
|
1278 call write_eeprom ; Highbyte
|
|
|
1279
|
|
|
1280 change_logbook_offset2:
|
|
25
|
1281 bcf LED_blue
|
|
33
|
1282
|
|
|
1283 end_dive_common:
|
|
0
|
1284 bcf simulatormode_active ; if we were in simulator mode
|
|
|
1285
|
|
|
1286 btfsc restore_deco_data ; Restore decodata?
|
|
|
1287 call simulator_restore_tissue_data ; Yes!
|
|
|
1288
|
|
|
1289 call deco_main_gradient_array
|
|
|
1290 movlb b'00000001' ; select ram bank 1
|
|
|
1291
|
|
|
1292 clrf surface_interval+0
|
|
|
1293 clrf surface_interval+1 ; Clear surface interval timer
|
|
|
1294
|
|
|
1295 goto surfloop ; and return to surfaceloop
|
|
|
1296
|
|
|
1297 timeout_divemode:
|
|
|
1298 btfss realdive ; Dive longer then one minute
|
|
|
1299 return
|
|
|
1300
|
|
|
1301 btfsc FLAG_apnoe_mode ; In Apnoe mode?
|
|
|
1302 bra timeout_divemode2 ; Yes, use CF30 [min] for timeout
|
|
|
1303
|
|
|
1304 btfsc simulatormode_active ; In Simulator mode?
|
|
|
1305 bra timeout_divemode3 ; Yes, use fixed 5 seconds timeout
|
|
|
1306
|
|
|
1307 bcf divemode
|
|
|
1308 incf timeout_counter,F
|
|
|
1309 GETCUSTOM8 d'2' ; diveloop_timeout
|
|
|
1310 addlw d'2' ; adds two seconds in case timout=zero!
|
|
|
1311 btfsc STATUS,C ; > 255?
|
|
|
1312 movlw d'255' ; Set to 255...
|
|
|
1313 decf WREG,F ; Limit to 254
|
|
|
1314 cpfsgt timeout_counter
|
|
|
1315 bsf divemode
|
|
|
1316 return
|
|
|
1317
|
|
|
1318 timeout_divemode2:
|
|
|
1319 incf timeout_counter,F ; seconds...
|
|
|
1320 movlw d'60'
|
|
|
1321 cpfseq timeout_counter ; timeout_counter=60?
|
|
|
1322 return ; No.
|
|
|
1323
|
|
|
1324 clrf timeout_counter
|
|
|
1325 bcf divemode
|
|
|
1326 incf apnoe_timeout_counter,F
|
|
|
1327 GETCUSTOM8 d'30' ; apnoe timeout [min]
|
|
|
1328 cpfseq apnoe_timeout_counter
|
|
|
1329 bsf divemode
|
|
|
1330 return
|
|
|
1331
|
|
|
1332 timeout_divemode3:
|
|
|
1333 bcf divemode
|
|
|
1334 incf timeout_counter,F
|
|
|
1335 movlw d'5' ; Fixed timeout of 5 seconds
|
|
|
1336 cpfsgt timeout_counter
|
|
|
1337 bsf divemode
|
|
|
1338 return
|
|
|
1339
|
|
|
1340 update_divemode1: ; update any second
|
|
|
1341 call set_dive_modes ; tests if depth>threshold
|
|
|
1342
|
|
|
1343 btfsc divemode
|
|
|
1344 call set_max_depth ; update max. depth if required
|
|
|
1345
|
|
|
1346 btfsc divemode
|
|
|
1347 call set_min_temp ; store min. temp if required
|
|
|
1348
|
|
|
1349 bcf temp_changed ; Display temperature?
|
|
|
1350 movf temperature+0,W
|
|
|
1351 cpfseq last_temperature+0
|
|
|
1352 bsf temp_changed ; Yes
|
|
|
1353 movf temperature+1,W
|
|
|
1354 cpfseq last_temperature+1
|
|
|
1355 bsf temp_changed ; Yes
|
|
|
1356 btfsc temp_changed
|
|
|
1357 call PLED_temp_divemode ; Displays temperature
|
|
|
1358
|
|
|
1359 bcf pres_changed ; Display new depth?
|
|
|
1360 movf amb_pressure+0,W
|
|
|
1361 cpfseq last_pressure+0
|
|
|
1362 bsf pres_changed ; Yes
|
|
|
1363 movf amb_pressure+1,W
|
|
|
1364 cpfseq last_pressure+1
|
|
|
1365 bsf pres_changed ; Yes
|
|
|
1366
|
|
|
1367 btfsc simulatormode_active ; always update depth when in simulator mode
|
|
|
1368 bsf pres_changed
|
|
|
1369
|
|
|
1370 btfsc pres_changed
|
|
|
1371 call PLED_depth ; Displays new depth
|
|
|
1372 return
|
|
|
1373
|
|
|
1374 update_divemode60: ; update any minute
|
|
|
1375 call get_battery_voltage ; gets battery voltage
|
|
|
1376 call set_powersafe ; red LED blinking if battery is low
|
|
|
1377 call PLED_max_pressure ; No, use normal max. depth
|
|
|
1378 call check_temp_extrema ; check for new temperature extremas
|
|
|
1379 bcf oneminupdate
|
|
|
1380 return
|
|
|
1381
|
|
|
1382 set_max_depth:
|
|
|
1383 movff max_pressure+0,sub_a+0
|
|
|
1384 movff max_pressure+1,sub_a+1
|
|
|
1385 movff rel_pressure+0,sub_b+0
|
|
|
1386 movff rel_pressure+1,sub_b+1
|
|
|
1387 call sub16 ; sub_c = sub_a - sub_b
|
|
|
1388 ; max_pressure<rel_pressure -> neg_flag=1
|
|
|
1389 ; rel_pressure<=max_pressure -> neg_flag=0
|
|
|
1390 btfss neg_flag
|
|
|
1391 return
|
|
|
1392 ;max_pressure<rel_pressure
|
|
|
1393 movff rel_pressure+0,max_pressure+0
|
|
|
1394 movff rel_pressure+1,max_pressure+1
|
|
|
1395 call PLED_max_pressure ; No, use normal max. depth
|
|
|
1396 return
|
|
|
1397
|
|
|
1398 set_min_temp:
|
|
|
1399 movff mintemp+0,sub_a+0
|
|
|
1400 movff mintemp+1,sub_a+1
|
|
|
1401 movff temperature+0,sub_b+0
|
|
|
1402 movff temperature+1,sub_b+1
|
|
|
1403 call sub16 ; sub_c = sub_a - sub_b
|
|
|
1404 ; mintemp<T -> neg_flag=1
|
|
|
1405 ; T<=mintemp -> neg_flag=0
|
|
|
1406 btfsc neg_flag
|
|
|
1407 return
|
|
|
1408 ;mintemp>=T
|
|
|
1409 movff temperature+0,mintemp+0
|
|
|
1410 movff temperature+1,mintemp+1
|
|
|
1411 return
|
|
|
1412
|
|
|
1413 set_dive_modes:
|
|
|
1414 bcf divemode2 ; Stop time
|
|
|
1415
|
|
|
1416 GETCUSTOM8 .0 ; loads dive_threshold in WREG
|
|
|
1417 movwf sub_a+0 ; dive_treshold is in cm
|
|
|
1418 clrf sub_a+1
|
|
|
1419
|
|
|
1420 movff rel_pressure+0,sub_b+0
|
|
|
1421 movff rel_pressure+1,sub_b+1
|
|
|
1422
|
|
|
1423 call sub16 ; sub_c = sub_a - sub_b
|
|
|
1424
|
|
|
1425 btfss neg_flag
|
|
|
1426 bra set_dive_modes2 ; too shallow (rel_pressure<dive_threshold)
|
|
|
1427
|
|
|
1428 btfsc realdive ; Dive longer than one minute?
|
|
|
1429 clrf timeout_counter
|
|
|
1430
|
|
|
1431 bsf divemode
|
|
|
1432 bsf divemode2 ; displayed divetime is running
|
|
|
1433 return
|
|
|
1434
|
|
|
1435 set_dive_modes2:
|
|
|
1436 btfss realdive ; dive longer then one minute?
|
|
|
1437 bcf divemode ; no -> this was no real dive
|
|
|
1438 return
|
|
|
1439
|
|
|
1440 set_powersafe:
|
|
|
1441 btfsc low_battery_state ; battery warning alread active?
|
|
|
1442 bra set_powersafe2 ; Yes, but is it still required?
|
|
|
1443 ; battery voltage in mV (value*256+Lowbyte=actual treshold)
|
|
|
1444 movlw d'12' ; 3,328V
|
|
|
1445 cpfsgt batt_voltage+1
|
|
|
1446 bra set_powersafe1
|
|
|
1447 return
|
|
|
1448
|
|
|
1449 set_powersafe1:
|
|
|
1450 movlw d'7' ; Type of Alarm (Battery Low)
|
|
|
1451 movwf AlarmType ; Copy to Alarm Register
|
|
|
1452 bsf event_occured ; Set Event Flag
|
|
|
1453 bsf low_battery_state ; set flag for battery warning
|
|
|
1454 return ; return
|
|
|
1455
|
|
|
1456 set_powersafe2:
|
|
|
1457 movlw d'13' ; 3,584V
|
|
|
1458 cpfsgt batt_voltage+1
|
|
|
1459 bra set_powersafe1 ; Still to low
|
|
|
1460 bcf low_battery_state ; clear flag for battery warning mode
|
|
|
1461 return
|
|
|
1462
|
|
|
1463 calc_average_depth:
|
|
|
1464 ; 1. Add new 2xdepth to the Sum of depths registers
|
|
|
1465 movff rel_pressure+0,b0_lo
|
|
|
1466 movff rel_pressure+1,b0_hi
|
|
|
1467
|
|
|
1468 movf b0_lo,w
|
|
|
1469 addwf average_depth_hold+0,F
|
|
|
1470 movf b0_hi,w
|
|
|
1471 addwfc average_depth_hold+1,F
|
|
|
1472 movlw d'0'
|
|
|
1473 addwfc average_depth_hold+2,F
|
|
|
1474 addwfc average_depth_hold+3,F ; Will work up to 9999mBar*60*60*24=863913600mBar
|
|
|
1475
|
|
|
1476 movf b0_lo,w
|
|
|
1477 addwf average_depth_hold+0,F
|
|
|
1478 movf b0_hi,w
|
|
|
1479 addwfc average_depth_hold+1,F
|
|
|
1480 movlw d'0'
|
|
|
1481 addwfc average_depth_hold+2,F
|
|
|
1482 addwfc average_depth_hold+3,F ; Will work up to 9999mBar*60*60*24=863913600mBar
|
|
|
1483
|
|
|
1484 ; 2. Compute Average Depth on base of average_divesecs:2
|
|
|
1485
|
|
|
1486 movff average_divesecs+0,xB+0
|
|
|
1487 movff average_divesecs+1,xB+1 ; Copy
|
|
|
1488 movff average_depth_hold+0,xC+0
|
|
|
1489 movff average_depth_hold+1,xC+1
|
|
|
1490 movff average_depth_hold+2,xC+2
|
|
|
1491 movff average_depth_hold+3,xC+3
|
|
|
1492
|
|
|
1493 call div32x16 ; xC:4 / xB:2 = xC+3:xC+2 with xC+1:xC+0 as remainder
|
|
|
1494 movff xC+0,avr_rel_pressure+0
|
|
|
1495 movff xC+1,avr_rel_pressure+1
|
|
|
1496 return
|
|
|
1497
|
|
|
1498
|
|
|
1499 diveloop_boot:
|
|
49
|
1500 ostc_debug 'Q' ; Sends debug-information to screen if debugmode active
|
|
0
|
1501 clrf max_pressure+0 ; clear some variables
|
|
|
1502 clrf max_pressure+1
|
|
|
1503
|
|
|
1504 clrf avr_rel_pressure+0
|
|
|
1505 clrf avr_rel_pressure+1
|
|
|
1506
|
|
|
1507 call PLED_brightness_low
|
|
|
1508 read_int_eeprom d'90' ; Brightness offset? (Dim>0, Normal = 0)
|
|
|
1509 movlw d'0'
|
|
|
1510 cpfsgt EEDATA
|
|
|
1511 call PLED_brightness_full
|
|
|
1512
|
|
|
1513 clrf average_depth_hold+0
|
|
|
1514 clrf average_depth_hold+1
|
|
|
1515 clrf average_depth_hold+2
|
|
|
1516 clrf average_depth_hold+3 ; Clear average depth register
|
|
|
1517 movlw d'1'
|
|
|
1518 movwf average_divesecs+0
|
|
|
1519 clrf average_divesecs+1
|
|
|
1520
|
|
|
1521 movlw d'1'
|
|
|
1522 movwf apnoe_max_pressure+0
|
|
|
1523 clrf apnoe_max_pressure+1
|
|
|
1524 clrf apnoe_surface_mins
|
|
|
1525 clrf apnoe_surface_secs
|
|
|
1526 clrf apnoe_mins
|
|
|
1527 clrf apnoe_secs
|
|
|
1528 clrf divemins+0
|
|
|
1529 clrf divemins+1
|
|
|
1530 clrf divesecs
|
|
|
1531 clrf samplesecs
|
|
|
1532 clrf apnoe_timeout_counter ; timeout in minutes
|
|
|
1533 clrf timeout_counter ; takes care of the timeout
|
|
|
1534 clrf timeout_counter2 ; Here: counts to six, then store deco data and temperature
|
|
|
1535 clrf AlarmType ; Clear all alarms
|
|
|
1536 bcf event_occured ; clear flag
|
|
|
1537 bcf depth_greater_100m ; clear flag
|
|
|
1538 setf last_diluent ; to be displayed after first calculation (range: 0 to 100 [%])
|
|
3
|
1539 bcf dekostop_active
|
|
|
1540 bcf is_bailout ;=1: CC mode, but bailout active!
|
|
8
|
1541 bcf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode
|
|
|
1542
|
|
0
|
1543 call get_free_EEPROM_location ; get last position in external EEPROM, may be up to 2 secs!
|
|
|
1544
|
|
|
1545 movff last_surfpressure_30min+1,int_I_pres_surface+1 ; HIGH copy surfacepressure to deco routine
|
|
|
1546 movff last_surfpressure_30min+0,int_I_pres_surface+0 ; LOW copy surfacepressure to deco routine
|
|
|
1547 movff temperature+0,mintemp+0 ; Reset Min-Temp registers
|
|
|
1548 movff temperature+1,mintemp+1 ; Reset Min-Temp registers
|
|
|
1549
|
|
|
1550 clrf wait_temp ; Used to clear Bankx registers
|
|
|
1551 movff wait_temp,char_O_GF_low_pointer
|
|
|
1552 movff wait_temp,char_O_actual_pointer
|
|
|
1553 lfsr FSR0,0x250
|
|
|
1554 movlw 0x20
|
|
|
1555 movwf wait_temp
|
|
|
1556 clear_deco_lists: ; Clear Deco list
|
|
|
1557 clrf POSTINC0
|
|
|
1558 decfsz wait_temp,F
|
|
|
1559 bra clear_deco_lists
|
|
|
1560 lfsr FSR0,0x270
|
|
|
1561 movlw 0x20
|
|
|
1562 movwf wait_temp
|
|
|
1563 set_no_forced_stops: ; Init Deco list
|
|
|
1564 movlw 0x01
|
|
|
1565 movwf POSTINC0
|
|
|
1566 decfsz wait_temp,F
|
|
|
1567 bra set_no_forced_stops
|
|
|
1568 lfsr FSR0,0x290 ; clear int_O_calc_tissue_call_counter (DEBUG)
|
|
|
1569 clrf POSTINC0
|
|
|
1570 clrf POSTINC0
|
|
|
1571
|
|
|
1572 ; Start with active Stopwatch?
|
|
|
1573 bsf stopwatch_active
|
|
|
1574 GETCUSTOM8 d'41' ; =1: Start with active Stopwatch
|
|
|
1575 movwf lo
|
|
|
1576 movlw d'1'
|
|
|
1577 cpfseq lo ; CF41=1?
|
|
|
1578 bcf stopwatch_active ; No!
|
|
|
1579
|
|
|
1580 ; Init profile recording parameters
|
|
|
1581 GETCUSTOM8 d'20' ; sample rate
|
|
|
1582 movwf samplesecs_value ; to avoid EEPROM access in the ISR
|
|
|
1583 GETCUSTOM8 d'21'
|
|
|
1584 movwf divisor_temperature ; load divisors for profile storage
|
|
|
1585 GETCUSTOM8 d'22'
|
|
|
1586 movwf divisor_deco
|
|
|
1587 GETCUSTOM8 d'23'
|
|
|
1588 movwf divisor_tank
|
|
|
1589 GETCUSTOM8 d'24'
|
|
|
1590 movwf divisor_ppo2
|
|
|
1591 GETCUSTOM8 d'25'
|
|
|
1592 movwf divisor_deco_debug
|
|
|
1593 GETCUSTOM8 d'26'
|
|
|
1594 movwf divisor_nuy2
|
|
|
1595
|
|
|
1596 btfss FLAG_apnoe_mode ; In Apnoe mode?
|
|
|
1597 bra divemode1
|
|
|
1598 ; Overwrite some parameters in Apnoe mode....
|
|
|
1599 movlw d'1'
|
|
|
1600 movwf samplesecs_value ; to avoid EEPROM access in the ISR
|
|
|
1601
|
|
|
1602 divemode1:
|
|
|
1603 read_int_eeprom d'36' ; Read mix 1 ppO2
|
|
|
1604 btfsc FLAG_const_ppO2_mode
|
|
|
1605 movff EEDATA,char_I_const_ppO2 ; Set ppO2 setpoint if in ppO2 mode
|
|
4
|
1606 movff EEDATA, ppO2_setpoint_store ; Store also in this byte...
|
|
0
|
1607
|
|
21
|
1608 bcf LED_blue
|
|
0
|
1609 bcf low_battery_state ; clear flag for battery warning mode
|
|
|
1610 bcf header_stored
|
|
|
1611 bcf premenu
|
|
|
1612 bcf realdive
|
|
|
1613 bsf update_divetime ; set flag
|
|
|
1614 btfss simulatormode_active ; do not disable in simulator mode!
|
|
49
|
1615 call disable_rs232 ; Disable RS232
|
|
0
|
1616
|
|
|
1617 read_int_eeprom d'33' ; Read byte (stored in EEDATA)
|
|
|
1618 movff EEDATA,active_gas ; Read start gas (1-5)
|
|
|
1619
|
|
|
1620 ; Read Start Gas and configure char_I_He_ratio, char_I_O2_ratio and char_I_N2_ratio
|
|
|
1621 decf active_gas,W ; Gas 0-4
|
|
|
1622 mullw d'4'
|
|
|
1623 movf PRODL,W
|
|
|
1624 addlw d'7' ; = address for He ratio
|
|
|
1625 movwf EEADR
|
|
|
1626 call read_eeprom ; Read He ratio
|
|
|
1627 movff EEDATA,char_I_He_ratio ; And copy into hold register
|
|
|
1628 decf active_gas,W ; Gas 0-4
|
|
|
1629 mullw d'4'
|
|
|
1630 movf PRODL,W
|
|
|
1631 addlw d'6' ; = address for O2 ratio
|
|
|
1632 movwf EEADR
|
|
|
1633 call read_eeprom ; Read O2 ratio
|
|
|
1634 movff EEDATA, char_I_O2_ratio ; O2 ratio
|
|
|
1635 movff char_I_He_ratio, wait_temp ; copy into bank1 register
|
|
|
1636 bsf STATUS,C ; Borrow bit
|
|
|
1637 movlw d'100' ; 100%
|
|
|
1638 subfwb wait_temp,W ; minus He
|
|
|
1639 bsf STATUS,C ; Borrow bit
|
|
|
1640 subfwb EEDATA,F ; minus O2
|
|
|
1641 movff EEDATA, char_I_N2_ratio ; = N2!
|
|
|
1642
|
|
|
1643 bcf multi_gf_display ; Do not display the multi-gf table screen
|
|
|
1644 return |
