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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 ; Routines used in the "other second"
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274
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275 bsf twosecupdate ; No, but next second!
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276 call calc_average_depth ; calculate average depth
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277 call calc_velocity ; calculate vertical velocity and display if > threshold (every two seconds)
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278
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279 ; calculate ppO2 in 0.1Bar (e.g. 150 = 1.50Bar ppO2)
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280 movff amb_pressure+0,xA+0
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281 movff amb_pressure+1,xA+1
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282 movlw LOW d'10'
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283 movwf xB+0
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284 movlw HIGH d'10'
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285 clrf xB+1
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286 call div16x16 ; xC=p_amb/10
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287 movff xC+0,xA+0
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288 movff xC+1,xA+1
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289 movff char_I_O2_ratio,xB+0
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290 clrf xB+1
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291 call mult16x16 ; char_I_O2_ratio * p_amb/10
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292 movff xC+0,xA+0
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293 movff xC+1,xA+1
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294 movlw LOW d'100'
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295 movwf xB+0
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296 movlw HIGH d'100'
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297 clrf xB+1
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298 call div16x16 ; xC=(char_I_O2_ratio * p_amb/10)/100
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299
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300 ; Copy ppO2 for CNS calculation
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301 movff xC+0, char_I_actual_ppO2 ; copy last ppO2 to buffer register
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302 btfsc FLAG_const_ppO2_mode ; do in const_ppO2_mode
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303 movff char_I_const_ppO2, char_I_actual_ppO2 ; copy last ppO2 to buffer register
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304
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305 ; Calculate CNS
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306 call main_calc_CNS_fraction ; calculate CNS
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307 movlb b'00000001' ; rambank 1 selected
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308
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309 ; Check if CNS should be displayed
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310 movff char_O_CNS_fraction,lo ; copy into bank1
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311 GETCUSTOM8 d'27' ; cns_display_high
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312 subwf lo,W
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313 btfsc STATUS,C
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314 call PLED_display_cns ; Show CNS
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315
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8
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316 call check_gas_change ; Checks if a better gas should be selected (by user)
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317
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0
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318 ; Check for decompression gases if in decomode
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319 btfss dekostop_active
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320 bra reset_decompression_gases ; While in NDL, do not set deompression gas
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321
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38
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322 divemode_check_decogases: ; CALLed from Simulator
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33
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323 ; Copy active gases to char_I_deco_N2_ratio and char_I_deco_He_ratio
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0
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324
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39
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325 setf hi ; # of gas (0-4)
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33
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326
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327 lfsr FSR1, char_I_deco_He_ratio5 ; most shallow decogas
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328 divemode_check_decogases2:
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39
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329 incf hi,F ; increase (First time: hi=0)
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33
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330 rcall copy_decogas_info
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39
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331 movlw d'3'
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332 cpfseq hi ; Gases 0-3 copied?
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33
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333 bra divemode_check_decogases2 ; No, Continue
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0
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334
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45
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335 read_int_eeprom d'113' ; Read He ratio
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39
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336 movff EEDATA,char_I_deco_He_ratio ; And copy into hold register
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337
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45
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338 read_int_eeprom d'112' ; Read O2 ratio
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39
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339 movff char_I_deco_He_ratio, wait_temp ; copy into bank1 register
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340 bsf STATUS,C ;
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341 movlw d'100' ; 100%
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342 subfwb wait_temp,W ; minus He
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343 subfwb EEDATA,F ; minus O2
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344 movff EEDATA, char_I_deco_N2_ratio; = N2!
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345
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45
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346 ; Now, set change depth. Inactive gases have depth=0!
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33
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347
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45
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348 read_int_eeprom d'118' ; read gas_change_depth Gas1
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349 movff EEDATA,char_I_deco_gas_change5
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39
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350
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45
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351 read_int_eeprom d'119' ; read gas_change_depth Gas1
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352 movff EEDATA,char_I_deco_gas_change4
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0
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353
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45
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354 read_int_eeprom d'120' ; read gas_change_depth Gas1
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355 movff EEDATA,char_I_deco_gas_change3
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0
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356
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45
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357 read_int_eeprom d'121' ; read gas_change_depth Gas1
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358 movff EEDATA,char_I_deco_gas_change2
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0
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359
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45
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360 read_int_eeprom d'122' ; read gas_change_depth Gas1
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361 movff EEDATA,char_I_deco_gas_change
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362
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38
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363
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364 ; Debugger
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45
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365 ; call enable_rs232
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39
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366 ; movff char_I_deco_He_ratio5,TXREG
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367 ; call rs232_wait_tx ; wait for UART
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368 ; movff char_I_deco_N2_ratio5,TXREG
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369 ; call rs232_wait_tx ; wait for UART
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370 ; movff char_I_deco_He_ratio4,TXREG
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371 ; call rs232_wait_tx ; wait for UART
|
|
|
372 ; movff char_I_deco_N2_ratio4,TXREG
|
|
|
373 ; call rs232_wait_tx ; wait for UART
|
|
|
374 ; movff char_I_deco_He_ratio3,TXREG
|
|
|
375 ; call rs232_wait_tx ; wait for UART
|
|
|
376 ; movff char_I_deco_N2_ratio3,TXREG
|
|
|
377 ; call rs232_wait_tx ; wait for UART
|
|
|
378 ; movff char_I_deco_He_ratio2,TXREG
|
|
|
379 ; call rs232_wait_tx ; wait for UART
|
|
|
380 ; movff char_I_deco_N2_ratio2,TXREG
|
|
|
381 ; call rs232_wait_tx ; wait for UART
|
|
|
382 ; movff char_I_deco_He_ratio,TXREG
|
|
|
383 ; call rs232_wait_tx ; wait for UART
|
|
|
384 ; movff char_I_deco_N2_ratio,TXREG
|
|
|
385 ; call rs232_wait_tx ; wait for UART
|
|
|
386 ; movff char_I_deco_gas_change5,TXREG
|
|
|
387 ; call rs232_wait_tx ; wait for UART
|
|
|
388 ; movff char_I_deco_gas_change4,TXREG
|
|
|
389 ; call rs232_wait_tx ; wait for UART
|
|
|
390 ; movff char_I_deco_gas_change3,TXREG
|
|
|
391 ; call rs232_wait_tx ; wait for UART
|
|
|
392 ; movff char_I_deco_gas_change2,TXREG
|
|
|
393 ; call rs232_wait_tx ; wait for UART
|
|
|
394 ; movff char_I_deco_gas_change,TXREG
|
|
|
395 ; call rs232_wait_tx ; wait for UART
|
|
33
|
396 return
|
|
0
|
397
|
|
33
|
398 copy_decogas_info:
|
|
|
399 movf hi,W ; Gas 1-4
|
|
|
400 mullw d'4' ; times 4...
|
|
45
|
401 movlw d'90' ; +90 Offset to new...
|
|
|
402 addwf PRODL,F ; ..sorted list!
|
|
|
403
|
|
33
|
404 movf PRODL,W ;
|
|
|
405 addlw d'7' ; +7 = address for He ratio
|
|
0
|
406 movwf EEADR
|
|
|
407 call read_eeprom ; Read He ratio
|
|
33
|
408 movff EEDATA,INDF1 ; And copy into hold register
|
|
0
|
409
|
|
33
|
410 movf hi,W ; Gas 1-4
|
|
|
411 mullw d'4' ; times 4...
|
|
45
|
412 movlw d'90' ; +90 Offset to new...
|
|
|
413 addwf PRODL,F ; ..sorted list!
|
|
|
414
|
|
33
|
415 movf PRODL,W ;
|
|
|
416 addlw d'6' ; +6 = address for O2 ratio
|
|
0
|
417 movwf EEADR
|
|
|
418 call read_eeprom ; Read O2 ratio
|
|
33
|
419 ; movff EEDATA, char_I_O2_ratio ; O2 ratio
|
|
|
420 movff POSTDEC1, wait_temp ; copy into bank1 register
|
|
|
421 bsf STATUS,C ;
|
|
0
|
422 movlw d'100' ; 100%
|
|
|
423 subfwb wait_temp,W ; minus He
|
|
|
424 subfwb EEDATA,F ; minus O2
|
|
33
|
425 movff EEDATA, POSTDEC1 ; = N2!
|
|
|
426 return
|
|
0
|
427
|
|
|
428 reset_decompression_gases: ; reset the deco gas while in NDL
|
|
|
429 ostc_debug 'F' ; Sends debug-information to screen if debugmode active
|
|
|
430 clrf lo
|
|
38
|
431 movff lo,char_I_deco_gas_change5
|
|
|
432 movff lo,char_I_deco_gas_change4
|
|
|
433 movff lo,char_I_deco_gas_change3
|
|
|
434 movff lo,char_I_deco_gas_change2
|
|
39
|
435 movff lo, char_I_deco_gas_change ; clear
|
|
0
|
436 return
|
|
|
437
|
|
|
438 calc_deko_divemode2:
|
|
|
439 bcf twosecupdate
|
|
|
440
|
|
|
441 btfsc gauge_mode ; ignore decompression calculation in gauge mode
|
|
|
442 return
|
|
|
443 btfsc FLAG_apnoe_mode ; ignore decompression calculation in apnoe mode
|
|
|
444 return
|
|
|
445
|
|
|
446 ostc_debug 'B' ; Sends debug-information to screen if debugmode active
|
|
|
447 call divemode_prepare_flags_for_deco
|
|
40
|
448
|
|
|
449 movlw d'0'
|
|
|
450 movff WREG,char_I_step_is_1min ; 2 second deco mode
|
|
|
451
|
|
0
|
452 call deco_main_calc_hauptroutine ; calc_tissue
|
|
|
453 movlb b'00000001' ; rambank 1 selected
|
|
|
454 ostc_debug 'C' ; Sends debug-information to screen if debugmode active
|
|
|
455
|
|
|
456 movff char_O_deco_status,deco_status ;
|
|
|
457 tstfsz deco_status ; deco_status=0 if decompression calculation done
|
|
|
458 return ; calculation not yet finished!
|
|
|
459
|
|
|
460 movff char_O_array_decodepth+0,wait_temp ; copy ceiling to temp register
|
|
|
461 tstfsz wait_temp ; Ceiling<0m?
|
|
|
462 bra calc_deko_divemode3 ; Yes!
|
|
|
463
|
|
|
464 btfsc dekostop_active
|
|
|
465 call PLED_display_ndl_mask ; Clear deco data, display nostop time
|
|
|
466 bcf dekostop_active ; clear flag
|
|
|
467
|
|
|
468 clrf decodata+0 ; for profile memory
|
|
|
469 movff char_O_nullzeit,decodata+1 ; nostop time
|
|
|
470
|
|
|
471 call PLED_display_ndl ; display no deco limit
|
|
|
472 return
|
|
|
473
|
|
|
474 divemode_prepare_flags_for_deco:
|
|
|
475 movff amb_pressure+0,int_I_pres_respiration+0 ; lo and copy result to deco routine
|
|
|
476 movff amb_pressure+1,int_I_pres_respiration+1 ; hi
|
|
|
477 GETCUSTOM8 d'11' ; Saturation multiplier %
|
|
|
478 movwf wait_temp
|
|
|
479 movff wait_temp,char_I_saturation_multiplier
|
|
|
480 GETCUSTOM8 d'12' ; Desaturation multiplier %
|
|
|
481 movwf wait_temp
|
|
|
482 movff wait_temp,char_I_desaturation_multiplier
|
|
|
483 GETCUSTOM8 d'16' ; Deco distance to decostop in 1/10 meter for simulation
|
|
|
484 movwf wait_temp
|
|
|
485 movff wait_temp,char_I_deco_distance
|
|
|
486 GETCUSTOM8 d'29' ; Depth Last Deco in meter for simulation
|
|
|
487 movwf wait_temp
|
|
|
488 movff wait_temp,char_I_depth_last_deco
|
|
|
489 call restart_set_modes_and_flags ; Sets decomode (char_I_deco_model) and flags (again)
|
|
|
490 return
|
|
|
491
|
|
|
492 calc_deko_divemode3:
|
|
|
493 btfss dekostop_active
|
|
|
494 call PLED_display_deko_mask ; clear nostop time, display decodata
|
|
|
495 bsf dekostop_active ; Set flag
|
|
|
496
|
|
|
497 movff char_O_array_decodepth+0,decodata+0 ; ceiling
|
|
|
498 movff char_O_array_decotime,decodata+1 ; length of first stop in minues
|
|
|
499
|
|
|
500 call PLED_display_deko ; display decodata
|
|
|
501 return
|
|
|
502
|
|
|
503 store_dive_data: ; CF20 seconds gone
|
|
|
504 bcf store_sample ; update only any CF20 seconds
|
|
|
505 bsf update_divetime ; update divemins every CF20 seconds
|
|
|
506
|
|
21
|
507 bcf LED_red ; LEDr off (Marker)
|
|
0
|
508
|
|
33
|
509 btfsc simulatormode_active ; Are we in simulator mode?
|
|
|
510 return ; Yes, discard everything
|
|
|
511
|
|
0
|
512 btfsc header_stored ; Header already stored?
|
|
|
513 bra store_dive_data2 ; Yes, store only profile data
|
|
|
514 bsf header_stored ; Store header
|
|
|
515
|
|
|
516 movff eeprom_address+0, eeprom_header_address+0 ; store startposition
|
|
|
517 movff eeprom_address+1, eeprom_header_address+1 ; store startposition
|
|
|
518
|
|
|
519 ; shift address for header
|
|
|
520 ; the header will be stored after the dive
|
|
|
521 incf_eeprom_address d'47' ; Macro, that adds 8Bit to eeprom_address:2 with banking at 0x8000
|
|
|
522
|
|
|
523 store_dive_data2:
|
|
|
524 movf rel_pressure+0,W ; store depth with every sample
|
|
|
525 call write_external_eeprom
|
|
|
526 movf rel_pressure+1,W
|
|
|
527 call write_external_eeprom
|
|
|
528
|
|
|
529 ;First, find out how many bytes will append to this sample....
|
|
|
530 clrf ProfileFlagByte ; clear number of bytes to append
|
|
|
531
|
|
|
532 ; Check Extented informations
|
|
|
533 decfsz divisor_temperature,W ; Check divisor
|
|
|
534 bra check_extended1
|
|
|
535 movlw d'2' ; Information length
|
|
|
536 addwf ProfileFlagByte,F ; add to ProfileFlagByte
|
|
|
537 check_extended1:
|
|
|
538 decfsz divisor_deco,W ; Check divisor
|
|
|
539 bra check_extended2
|
|
|
540 movlw d'2' ; Information length
|
|
|
541 addwf ProfileFlagByte,F ; add to ProfileFlagByte
|
|
|
542 check_extended2:
|
|
|
543 decfsz divisor_tank,W ; Check divisor
|
|
|
544 bra check_extended3
|
|
|
545 movlw d'2' ; Information length
|
|
|
546 addwf ProfileFlagByte,F ; add to ProfileFlagByte
|
|
|
547 check_extended3:
|
|
|
548 decfsz divisor_ppo2,W ; Check divisor
|
|
|
549 bra check_extended4
|
|
|
550 movlw d'3' ; Information length
|
|
|
551 addwf ProfileFlagByte,F ; add to ProfileFlagByte
|
|
|
552 check_extended4:
|
|
|
553 decfsz divisor_deco_debug,W; Check divisor
|
|
|
554 bra check_extended5
|
|
|
555 movlw d'9' ; Information length
|
|
|
556 addwf ProfileFlagByte,F ; add to ProfileFlagByte
|
|
|
557 check_extended5:
|
|
|
558 decfsz divisor_nuy2,W ; Check divisor
|
|
|
559 bra check_extended6
|
|
|
560 movlw d'0' ; Information length
|
|
|
561 addwf ProfileFlagByte,F ; add to ProfileFlagByte
|
|
|
562 check_extended6:
|
|
|
563
|
|
|
564 ; Second, check global event flag
|
|
|
565 btfss event_occured ; Check global event flag
|
|
|
566 bra store_dive_data3 ; No Event
|
|
|
567 movlw d'1'
|
|
|
568 addwf ProfileFlagByte,F ; add one byte (The EventByte)
|
|
|
569
|
|
|
570 clrf EventByte ; reset EventByte
|
|
|
571
|
|
|
572 movf AlarmType,W ; Type of Alarm Bit 0-3
|
|
|
573 addwf EventByte,F ; Copy to EventByte Bit 0-3
|
|
|
574 clrf AlarmType ; Reset AlarmType
|
|
|
575
|
|
|
576 ; Third, check events and add aditional bytes
|
|
|
577 btfss manual_gas_changed ; Check flag
|
|
|
578 bra check_event1
|
|
|
579 movlw d'2' ; Information length
|
|
|
580 addwf ProfileFlagByte,F ; add to ProfileFlagByte
|
|
|
581 bsf EventByte,4 ; Also set Flag in EventByte!
|
|
|
582 check_event1:
|
|
|
583 btfss stored_gas_changed ; Check flag
|
|
|
584 bra check_event2
|
|
|
585 movlw d'1' ; Information length
|
|
|
586 addwf ProfileFlagByte,F ; add to ProfileFlagByte
|
|
|
587 bsf EventByte,5 ; Also set Flag in EventByte!
|
|
|
588 check_event2:
|
|
|
589 bsf ProfileFlagByte,7 ; Set EventByte Flag in ProfileFlagByte
|
|
|
590
|
|
|
591 store_dive_data3:
|
|
|
592 movf ProfileFlagByte,W ; finally, write ProfileFlagByte!
|
|
|
593 call write_external_eeprom
|
|
|
594
|
|
|
595 btfss event_occured ; Check global event flag (again)
|
|
|
596 bra store_dive_data4 ; No Event
|
|
|
597
|
|
|
598 ; Store the EventByte + additional bytes now
|
|
|
599 movf EventByte,W
|
|
|
600 call write_external_eeprom
|
|
|
601
|
|
|
602 btfss manual_gas_changed ; Check flag
|
|
|
603 bra store_dive_data3a
|
|
|
604 read_int_eeprom d'24' ; % O2 Gas6
|
|
|
605 movf EEDATA,W
|
|
|
606 call write_external_eeprom
|
|
|
607 read_int_eeprom d'25' ; % He Gas6
|
|
|
608 movf EEDATA,W
|
|
|
609 call write_external_eeprom
|
|
|
610
|
|
|
611 store_dive_data3a:
|
|
|
612 btfss stored_gas_changed ; Check flag
|
|
|
613 bra store_dive_data3b
|
|
|
614 movf active_gas,W ; Store active gas
|
|
|
615 call write_external_eeprom
|
|
|
616
|
|
|
617 store_dive_data3b:
|
|
|
618
|
|
|
619 store_dive_data4:
|
|
|
620 bcf event_occured ; Clear the global event flag
|
|
|
621 bcf manual_gas_changed ; Clear all events
|
|
|
622 bcf stored_gas_changed ; Clear all events
|
|
|
623
|
|
|
624 ; Store extended informations
|
|
|
625 decfsz divisor_temperature,F ; Check divisor
|
|
|
626 bra store_extended1
|
|
|
627 rcall store_dive_temperature
|
|
|
628 store_extended1:
|
|
|
629 decfsz divisor_deco,F ; Check divisor
|
|
|
630 bra store_extended2
|
|
|
631 rcall store_dive_decodata
|
|
|
632 store_extended2:
|
|
|
633 decfsz divisor_tank,F ; Check divisor
|
|
|
634 bra store_extended3
|
|
|
635 rcall store_dive_tankdata
|
|
|
636 store_extended3:
|
|
|
637 decfsz divisor_ppo2,F ; Check divisor
|
|
|
638 bra store_extended4
|
|
|
639 rcall store_dive_ppo2
|
|
|
640 store_extended4:
|
|
|
641 decfsz divisor_deco_debug,F; Check divisor
|
|
|
642 bra store_extended5
|
|
|
643 rcall store_dive_decodebug
|
|
|
644 store_extended5:
|
|
|
645 decfsz divisor_nuy2,F ; Check divisor
|
|
|
646 bra store_extended6
|
|
|
647 rcall store_dive_nuy2
|
|
|
648 store_extended6:
|
|
|
649
|
|
|
650 ; The next block is required to take care of "store never"
|
|
|
651 btfsc divisor_temperature,7 ; Test highest Bit (Register must have been zero before the "decfsz" command!)
|
|
|
652 clrf divisor_temperature ; And clear register again, so it will never reach zero...
|
|
|
653 btfsc divisor_deco,7 ; Test highest Bit (Register must have been zero before the "decfsz" command!)
|
|
|
654 clrf divisor_deco ; And clear register again, so it will never reach zero...
|
|
|
655 btfsc divisor_tank,7 ; Test highest Bit (Register must have been zero before the "decfsz" command!)
|
|
|
656 clrf divisor_tank ; And clear register again, so it will never reach zero...
|
|
|
657 btfsc divisor_ppo2,7 ; Test highest Bit (Register must have been zero before the "decfsz" command!)
|
|
|
658 clrf divisor_ppo2 ; And clear register again, so it will never reach zero...
|
|
|
659 btfsc divisor_deco_debug,7 ; Test highest Bit (Register must have been zero before the "decfsz" command!)
|
|
|
660 clrf divisor_deco_debug ; And clear register again, so it will never reach zero...
|
|
|
661 btfsc divisor_nuy2,7 ; Test highest Bit (Register must have been zero before the "decfsz" command!)
|
|
|
662 clrf divisor_nuy2 ; And clear register again, so it will never reach zero...
|
|
|
663
|
|
|
664 ostc_debug 'D' ; Sends debug-information to screen if debugmode active
|
|
|
665 return ; Done.
|
|
|
666
|
|
|
667 store_dive_nuy2:
|
|
|
668 GETCUSTOM8 d'26'
|
|
|
669 movwf divisor_nuy2 ; Reload divisor from CF
|
|
|
670 return
|
|
|
671
|
|
|
672 store_dive_decodebug:
|
|
|
673 movff 0x931,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 0x930,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 0x933,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 0x932,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 0x935,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 0x934,divisor_deco_debug ; Used as temp
|
|
|
689 movf divisor_deco_debug,W ; copy to WREG
|
|
|
690 call write_external_eeprom ; Store in EEPROM
|
|
|
691 movff 0x937,divisor_deco_debug ; Used as temp
|
|
|
692 movf divisor_deco_debug,W ; copy to WREG
|
|
|
693 call write_external_eeprom ; Store in EEPROM
|
|
|
694 movff 0x936,divisor_deco_debug ; Used as temp
|
|
|
695 movf divisor_deco_debug,W ; copy to WREG
|
|
|
696 call write_external_eeprom ; Store in EEPROM
|
|
|
697 movff 0x938,divisor_deco_debug ; Used as temp
|
|
|
698 movf divisor_deco_debug,W ; copy to WREG
|
|
|
699 call write_external_eeprom ; Store in EEPROM
|
|
|
700 GETCUSTOM8 d'25'
|
|
|
701 movwf divisor_deco_debug ; Reload divisor from CF
|
|
|
702 return
|
|
|
703
|
|
|
704 store_dive_ppo2:
|
|
|
705 movlw 0x00 ; Dummy
|
|
|
706 call write_external_eeprom
|
|
|
707 movlw 0x00 ; Dummy
|
|
|
708 call write_external_eeprom
|
|
|
709 movlw 0x00 ; Dummy
|
|
|
710 call write_external_eeprom
|
|
|
711 GETCUSTOM8 d'24'
|
|
|
712 movwf divisor_ppo2 ; Reload divisor from CF
|
|
|
713 return
|
|
|
714
|
|
|
715 store_dive_tankdata:
|
|
|
716 movlw d'0' ; Dummy Tank1
|
|
|
717 call write_external_eeprom
|
|
|
718 movlw d'0' ; Dummy Tank2
|
|
|
719 call write_external_eeprom
|
|
|
720 GETCUSTOM8 d'23'
|
|
|
721 movwf divisor_tank ; Reload divisor from CF
|
|
|
722 return
|
|
|
723
|
|
|
724 store_dive_decodata:
|
|
|
725 movf decodata+0,W ; =0:no stop dive, if in deco mode: ceiling in m
|
|
|
726 call write_external_eeprom
|
|
|
727 movf decodata+1,W ; no stop time of length of first stop
|
|
|
728 call write_external_eeprom
|
|
|
729 GETCUSTOM8 d'22'
|
|
|
730 movwf divisor_deco ; Reload divisor from CF
|
|
|
731 return
|
|
|
732
|
|
|
733 store_dive_temperature:
|
|
|
734 movf temperature+0,W ; append temperature to current sample!
|
|
|
735 call write_external_eeprom
|
|
|
736 movf temperature+1,W
|
|
|
737 call write_external_eeprom
|
|
|
738 GETCUSTOM8 d'21'
|
|
|
739 movwf divisor_temperature ; Reload divisor from CF
|
|
|
740 return
|
|
|
741
|
|
|
742 calc_velocity: ; called every two seconds
|
|
|
743 btfss divemode
|
|
|
744 bra do_not_display_velocity ; display velocity only in divemode
|
|
|
745
|
|
|
746 calc_velocity2:
|
|
|
747 movff amb_pressure+0,sub_a+0
|
|
|
748 movff amb_pressure+1,sub_a+1
|
|
|
749 movff last_pressure+0,sub_b+0
|
|
|
750 movff last_pressure+1,sub_b+1
|
|
|
751 movff amb_pressure+0,last_pressure+0 ; store old value for velocity
|
|
|
752 movff amb_pressure+1,last_pressure+1
|
|
|
753
|
|
|
754 call sub16 ; sub_c = amb_pressure - last_pressure
|
|
|
755
|
|
|
756 movff sub_c+0,xA+0
|
|
|
757 movff sub_c+1,xA+1
|
|
|
758 movlw d'39' ;77 when called every second....
|
|
|
759 movwf xB+0
|
|
|
760 clrf xB+1
|
|
|
761 call mult16x16 ; differential pressure in mBar*77...
|
|
|
762 movff xC+0,divA+0
|
|
|
763 movff xC+1,divA+1
|
|
|
764 movlw d'7'
|
|
|
765 movwf divB
|
|
|
766 call div16 ; devided by 2^7 equals velocity in m/min
|
|
|
767
|
|
|
768 movlw d'99'
|
|
|
769 cpfsgt divA
|
|
|
770 bra calc_velocity3
|
|
|
771 movwf divA ; divA=99
|
|
|
772
|
|
|
773 calc_velocity3:
|
|
|
774
|
|
|
775 GETCUSTOM8 d'5' ; threshold for display vertical velocity
|
|
|
776 subwf divA+0,W ;
|
|
|
777
|
|
|
778 btfss STATUS,C
|
|
|
779 bra do_not_display_velocity
|
|
|
780
|
|
|
781 update_velocity:
|
|
|
782 bsf display_velocity
|
|
|
783 call PLED_display_velocity
|
|
|
784 return
|
|
|
785
|
|
|
786 do_not_display_velocity:
|
|
|
787 btfss display_velocity ; Velocity was not displayed, do not delete
|
|
|
788 return
|
|
|
789
|
|
|
790 bcf display_velocity ; Velocity was displayed, delete velocity now
|
|
|
791 call PLED_display_velocity_clear
|
|
|
792 return
|
|
|
793
|
|
|
794 check_ppO2: ; check current ppO2 and display warning if required
|
|
|
795 btfsc FLAG_const_ppO2_mode ; ignore in ppO2 mode....
|
|
|
796 return
|
|
|
797
|
|
3
|
798 check_ppO2_bail: ; In CC mode but bailout active!
|
|
0
|
799 movff amb_pressure+0,xA+0
|
|
|
800 movff amb_pressure+1,xA+1
|
|
|
801 movlw d'10'
|
|
|
802 movwf xB+0
|
|
|
803 clrf xB+1
|
|
|
804 call div16x16 ; xC=p_amb/10
|
|
|
805 movff xC+0,xA+0
|
|
|
806 movff xC+1,xA+1
|
|
|
807 movff char_I_O2_ratio,xB+0
|
|
|
808 clrf xB+1
|
|
|
809 call mult16x16 ; char_I_O2_ratio * p_amb/10
|
|
|
810
|
|
|
811 ; Check if ppO2 should be displayed
|
|
|
812 movff xC+0,sub_b+0
|
|
|
813 movff xC+1,sub_b+1
|
|
|
814 GETCUSTOM8 d'19' ; ppo2_display_high
|
|
|
815 mullw d'100' ; ppo2_display_high*100
|
|
|
816 movff PRODL,sub_a+0
|
|
|
817 movff PRODH,sub_a+1
|
|
|
818 call sub16
|
|
|
819 bcf ppO2_show_value ; clear flag
|
|
|
820 btfsc neg_flag
|
|
|
821 bsf ppO2_show_value ; set flag if required
|
|
|
822
|
|
|
823 ;check if we are within our warning thresholds!
|
|
|
824 bcf ppO2_warn_value ; clear flag
|
|
|
825 movff xC+0,sub_b+0
|
|
|
826 movff xC+1,sub_b+1
|
|
|
827 GETCUSTOM8 d'18' ; ppo2_warning_high
|
|
|
828 mullw d'100' ; ppo2_warning_high*100
|
|
|
829 movff PRODL,sub_a+0
|
|
|
830 movff PRODH,sub_a+1
|
|
|
831 call sub16
|
|
|
832 btfss neg_flag
|
|
|
833 bra check_ppO2_0 ; Not too high
|
|
|
834
|
|
|
835 bsf ppO2_warn_value ; set flag
|
|
|
836 movlw d'5' ; Type of Alarm
|
|
|
837 movwf AlarmType ; Copy to Alarm Register
|
|
|
838 bsf event_occured ; Set Event Flag
|
|
|
839
|
|
|
840 check_ppO2_0:
|
|
|
841 movff xC+0,sub_b+0
|
|
|
842 movff xC+1,sub_b+1
|
|
|
843 GETCUSTOM8 d'17' ; ppo2_warning_low
|
|
|
844 mullw d'100' ; ppo2_warning_low*100
|
|
|
845 movff PRODL,sub_a+0
|
|
|
846 movff PRODH,sub_a+1
|
|
|
847 call sub16
|
|
|
848 btfsc neg_flag
|
|
|
849 bra check_ppO2_1 ; Not too low
|
|
|
850
|
|
|
851 bsf ppO2_warn_value ; set flag
|
|
|
852 bsf ppO2_show_value ; show ppO2 if below threshold!
|
|
|
853 movlw d'4' ; Type of Alarm
|
|
|
854 movwf AlarmType ; Copy to Alarm Register
|
|
|
855 bsf event_occured ; Set Event Flag
|
|
|
856
|
|
|
857 check_ppO2_1:
|
|
|
858 btfsc ppO2_show_value ; show value?
|
|
|
859 bra check_ppO2_2 ; yes!
|
|
|
860
|
|
|
861 btfss ppO2_display_active ; is the value displayed?
|
|
|
862 bra check_ppO2_3 ; No, so clear not required
|
|
|
863
|
|
|
864 call PLED_show_ppO2_clear; Clear ppO2 value
|
|
|
865 bcf ppO2_display_active ; clear flag
|
|
|
866 bra check_ppO2_3 ; done
|
|
|
867
|
|
|
868 check_ppO2_2:
|
|
|
869 call PLED_show_ppO2 ; Display ppO2 (stored in xC)
|
|
|
870 bsf ppO2_display_active ; Set flag
|
|
|
871
|
|
|
872 check_ppO2_3:
|
|
|
873 return ; done
|
|
|
874
|
|
|
875
|
|
8
|
876 check_gas_change: ; Checks if a better gas should be selected (by user)
|
|
|
877 bcf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode
|
|
|
878
|
|
|
879 movff rel_pressure+0,xA+0
|
|
|
880 movff rel_pressure+1,xA+1
|
|
|
881 movlw d'100'
|
|
|
882 movwf xB+0
|
|
|
883 clrf xB+1
|
|
|
884 call div16x16 ; compute depth in full m -> result in xC+0
|
|
|
885
|
|
|
886 check_gas_change1: ; check gas1
|
|
|
887 read_int_eeprom d'27' ; read flag register
|
|
|
888 btfss EEDATA,0 ; check active flag
|
|
|
889 bra check_gas_change2 ; skip inactive gases!
|
|
|
890 movlw d'1'
|
|
|
891 cpfseq active_gas ; is this gas currently selected?
|
|
|
892 bra check_gas_change1x ; No...
|
|
|
893 bra check_gas_change2 ; Yes, skip depth check
|
|
|
894 check_gas_change1x:
|
|
|
895 read_int_eeprom d'28' ; read gas_change_depth
|
|
|
896 movlw d'3'
|
|
|
897 cpfsgt EEDATA ; Change depth>3m?
|
|
|
898 bra check_gas_change2 ; No, Change depth not deep enough, skip!
|
|
|
899 movf xC+0,W ; load depth in m into WREG
|
|
|
900 cpfsgt EEDATA ; gas_change_depth < current depth?
|
|
|
901 bra check_gas_change2 ; No, check next gas
|
|
|
902 movlw d'3'
|
|
|
903 subwf EEDATA,W ; Change depth-3m
|
|
|
904 cpfslt xC+0 ; current depth<Change depth-3m?
|
|
|
905 bsf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode
|
|
|
906
|
|
|
907 check_gas_change2: ; check gas2
|
|
|
908 read_int_eeprom d'27' ; read flag register
|
|
|
909 btfss EEDATA,1 ; check active flag
|
|
|
910 bra check_gas_change3 ; skip inactive gases!
|
|
|
911 movlw d'2'
|
|
|
912 cpfseq active_gas ; is this gas currently selected?
|
|
|
913 bra check_gas_change2x ; No...
|
|
|
914 bra check_gas_change3 ; Yes, skip depth check
|
|
|
915 check_gas_change2x:
|
|
|
916 read_int_eeprom d'29' ; read gas_change_depth
|
|
|
917 movlw d'3'
|
|
|
918 cpfsgt EEDATA ; Change depth>3m?
|
|
|
919 bra check_gas_change3 ; No, Change depth not deep enough, skip!
|
|
|
920 movf xC+0,W ; load depth in m into WREG
|
|
|
921 cpfsgt EEDATA ; gas_change_depth < current depth?
|
|
|
922 bra check_gas_change3 ; No, check next gas
|
|
|
923 movlw d'3'
|
|
|
924 subwf EEDATA,W ; Change depth-3m
|
|
|
925 cpfslt xC+0 ; current depth<Change depth-3m?
|
|
|
926 bsf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode
|
|
|
927
|
|
|
928 check_gas_change3: ; check gas3
|
|
|
929 read_int_eeprom d'27' ; read flag register
|
|
|
930 btfss EEDATA,2 ; check active flag
|
|
|
931 bra check_gas_change4 ; skip inactive gases!
|
|
|
932 movlw d'3'
|
|
|
933 cpfseq active_gas ; is this gas currently selected?
|
|
|
934 bra check_gas_change3x ; No...
|
|
|
935 bra check_gas_change4 ; Yes, skip depth check
|
|
|
936 check_gas_change3x:
|
|
|
937 read_int_eeprom d'30' ; read gas_change_depth
|
|
|
938 movlw d'3'
|
|
|
939 cpfsgt EEDATA ; Change depth>3m?
|
|
|
940 bra check_gas_change4 ; No, Change depth not deep enough, skip!
|
|
|
941 movf xC+0,W ; load depth in m into WREG
|
|
|
942 cpfsgt EEDATA ; gas_change_depth < current depth?
|
|
|
943 bra check_gas_change4 ; No, check next gas
|
|
|
944 movlw d'3'
|
|
|
945 subwf EEDATA,W ; Change depth-3m
|
|
|
946 cpfslt xC+0 ; current depth<Change depth-3m?
|
|
|
947 bsf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode
|
|
|
948
|
|
|
949 check_gas_change4: ; check gas4
|
|
|
950 read_int_eeprom d'27' ; read flag register
|
|
|
951 btfss EEDATA,3 ; check active flag
|
|
|
952 bra check_gas_change5 ; skip inactive gases!
|
|
|
953 movlw d'4'
|
|
|
954 cpfseq active_gas ; is this gas currently selected?
|
|
|
955 bra check_gas_change4x ; No...
|
|
|
956 bra check_gas_change5 ; Yes, skip depth check
|
|
|
957 check_gas_change4x:
|
|
|
958 read_int_eeprom d'31' ; read gas_change_depth
|
|
|
959 cpfsgt EEDATA ; Change depth>3m?
|
|
|
960 bra check_gas_change5 ; No, Change depth not deep enough, skip!
|
|
|
961 movf xC+0,W ; load depth in m into WREG
|
|
|
962 cpfsgt EEDATA ; gas_change_depth < current depth?
|
|
|
963 bra check_gas_change5 ; No, check next gas
|
|
|
964 movlw d'3'
|
|
|
965 subwf EEDATA,W ; Change depth-3m
|
|
|
966 cpfslt xC+0 ; current depth<Change depth-3m?
|
|
|
967 bsf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode
|
|
|
968
|
|
|
969 check_gas_change5: ; check gas5
|
|
|
970 read_int_eeprom d'27' ; read flag register
|
|
|
971 btfss EEDATA,4 ; check active flag
|
|
|
972 bra check_gas_change6 ; skip inactive gases!
|
|
|
973 movlw d'5'
|
|
|
974 cpfseq active_gas ; is this gas currently selected?
|
|
|
975 bra check_gas_change5x ; No...
|
|
|
976 bra check_gas_change6 ; Yes, skip depth check
|
|
|
977 check_gas_change5x:
|
|
|
978 read_int_eeprom d'32' ; read gas_change_depth
|
|
|
979 cpfsgt EEDATA ; Change depth>3m?
|
|
|
980 bra check_gas_change6 ; No, Change depth not deep enough, skip!
|
|
|
981 movf xC+0,W ; load depth in m into WREG
|
|
|
982 cpfsgt EEDATA ; gas_change_depth < current depth?
|
|
|
983 bra check_gas_change6 ; No, check next gas
|
|
|
984 movlw d'3'
|
|
|
985 subwf EEDATA,W ; Change depth-3m
|
|
|
986 cpfslt xC+0 ; current depth<Change depth-3m?
|
|
|
987 bsf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode
|
|
|
988
|
|
|
989 check_gas_change6: ;Done
|
|
|
990 call PLED_active_gas_divemode ; Display gas, if required (and with "*" if irequired...)
|
|
|
991 return
|
|
|
992
|
|
0
|
993 calculate_noflytime:
|
|
|
994 ; calculate nofly time
|
|
|
995 movff int_O_desaturation_time+0,xA+0
|
|
|
996 movff int_O_desaturation_time+1,xA+1
|
|
|
997 tstfsz xA+0 ; Desat=0?
|
|
|
998 bra calculate_noflytime2
|
|
|
999 tstfsz xA+1 ; Desat=0?
|
|
|
1000 bra calculate_noflytime2
|
|
|
1001 ; Desaturation time = zero
|
|
|
1002 movlw d'1'
|
|
|
1003 movwf nofly_time+0 ; Clear nofly time
|
|
|
1004 clrf nofly_time+1 ; Clear nofly time
|
|
|
1005 bcf nofly_active ; Clear flag
|
|
|
1006 return
|
|
|
1007
|
|
|
1008 calculate_noflytime2:
|
|
|
1009 movff xA+0,int_I_temp+0
|
|
|
1010 movff xA+1,int_I_temp+1
|
|
|
1011 GETCUSTOM8 .13 ; nofly_time_ratio
|
|
|
1012 movwf xB+0
|
|
|
1013 movff xB,char_I_temp
|
|
|
1014 ostc_debug 'K' ; Sends debug-information to screen if debugmode active
|
|
|
1015 call main_calc_percentage
|
|
|
1016 movlb b'00000001' ; select ram bank 1
|
|
|
1017 ostc_debug 'L' ; Sends debug-information to screen if debugmode active
|
|
|
1018 movff int_I_temp+0,xA+0
|
|
|
1019 movff int_I_temp+1,xA+1
|
|
|
1020 tstfsz xA+0 ; Desat=0?
|
|
|
1021 bra calculate_noflytime_2_final
|
|
|
1022 tstfsz xA+1 ; Desat=0?
|
|
|
1023 bra calculate_noflytime_2_final
|
|
|
1024 ; noflytime = zero
|
|
|
1025 movlw d'1'
|
|
|
1026 movwf nofly_time+0 ; Clear nofly time
|
|
|
1027 clrf nofly_time+1 ; Clear nofly time
|
|
|
1028 bcf nofly_active ; Clear flag
|
|
|
1029 return
|
|
|
1030 calculate_noflytime_2_final:
|
|
|
1031 movff xA+0,nofly_time+0
|
|
|
1032 movff xA+1,nofly_time+1
|
|
|
1033 bsf nofly_active ; Set flag
|
|
|
1034 return
|
|
|
1035
|
|
|
1036 end_dive:
|
|
|
1037 btfss realdive ; dive longer then one minute
|
|
|
1038 goto end_dive_common ; No, discard everything
|
|
|
1039
|
|
33
|
1040 btfsc simulatormode_active ; Are we in simulator mode?
|
|
|
1041 goto end_dive_common ; Yes, discard everything
|
|
|
1042
|
|
0
|
1043 ; Dive finished (and longer then one minute or Apnoe timeout occured)
|
|
|
1044
|
|
|
1045 btfsc FLAG_apnoe_mode ; Calc max. depth (again) for very short apnoe dives
|
|
|
1046 rcall apnoe_calc_maxdepth
|
|
|
1047
|
|
|
1048 ; calculate desaturation time
|
|
|
1049 movff last_surfpressure_30min+0,int_I_pres_respiration+0 ; copy surface air pressure to deco routine
|
|
|
1050 movff last_surfpressure_30min+1,int_I_pres_respiration+1 ; 30min old values
|
|
|
1051
|
|
|
1052 GETCUSTOM8 d'12' ; Desaturation multiplier %
|
|
|
1053 movwf wait_temp
|
|
|
1054 movff wait_temp,char_I_desaturation_multiplier
|
|
|
1055
|
|
|
1056 ostc_debug 'G' ; Sends debug-information to screen if debugmode active
|
|
|
1057 call deco_main_calc_desaturation_time ; calculate desaturation time
|
|
|
1058 movlb b'00000001' ; select ram bank 1
|
|
|
1059 rcall calculate_noflytime ; Calc NoFly time
|
|
|
1060 ostc_debug 'H' ; Sends debug-information to screen if debugmode active
|
|
|
1061 ; store header and ...
|
|
|
1062 movlw 0xFD ; .... End-of-Profile Bytes
|
|
|
1063 call write_external_eeprom
|
|
|
1064 movlw 0xFD
|
|
|
1065 call write_external_eeprom
|
|
|
1066 movlw 0xFE ; This positon will be overwritten for the next profile
|
|
|
1067 call write_external_eeprom ; and is required to find the newest dive after a firmware reset
|
|
|
1068
|
|
|
1069 movff eeprom_header_address+0, eeprom_address+0 ; set header adress
|
|
|
1070 movff eeprom_header_address+1, eeprom_address+1 ; write header
|
|
|
1071
|
|
|
1072 movlw 0xFA ; Header start
|
|
|
1073 call write_external_eeprom
|
|
|
1074 movlw 0xFA
|
|
|
1075 call write_external_eeprom
|
|
|
1076 movlw logbook_profile_version ; Defined in definitions_vxyy.asm
|
|
|
1077 call write_external_eeprom
|
|
|
1078 movf month,W ; Date
|
|
|
1079 call write_external_eeprom
|
|
|
1080 movf day,W
|
|
|
1081 call write_external_eeprom
|
|
|
1082 movf year,W
|
|
|
1083 call write_external_eeprom
|
|
|
1084 movf hours,W ; End of dive time
|
|
|
1085 call write_external_eeprom
|
|
|
1086 movf mins,W
|
|
|
1087 call write_external_eeprom
|
|
|
1088
|
|
|
1089 btfss FLAG_apnoe_mode ; Store apnoe max or normal max (Which is only max from the last descent)
|
|
|
1090 bra end_dive1 ; Store normal depth
|
|
|
1091
|
|
|
1092 movff apnoe_max_pressure+0,lo
|
|
|
1093 movff apnoe_max_pressure+1,hi
|
|
|
1094 call adjust_depth_with_salinity ; computes salinity setting into lo:hi [mBar]
|
|
|
1095 movff lo,apnoe_max_pressure+0
|
|
|
1096 movff hi,apnoe_max_pressure+1
|
|
|
1097
|
|
|
1098 movf apnoe_max_pressure+0,W ; Max. depth
|
|
|
1099 call write_external_eeprom
|
|
|
1100 movf apnoe_max_pressure+1,W
|
|
|
1101 call write_external_eeprom
|
|
|
1102 bra end_dive2 ; skip
|
|
|
1103
|
|
|
1104 end_dive1:
|
|
|
1105 movff max_pressure+0,lo
|
|
|
1106 movff max_pressure+1,hi
|
|
|
1107 call adjust_depth_with_salinity ; computes salinity setting into lo:hi [mBar]
|
|
|
1108 movff lo,max_pressure+0
|
|
|
1109 movff hi,max_pressure+1
|
|
|
1110
|
|
|
1111 movf max_pressure+0,W ; Max. depth
|
|
|
1112 call write_external_eeprom
|
|
|
1113 movf max_pressure+1,W
|
|
|
1114 call write_external_eeprom
|
|
|
1115
|
|
|
1116 end_dive2:
|
|
|
1117 movf divemins+0,W ; divetime minutes
|
|
|
1118 call write_external_eeprom
|
|
|
1119 movf divemins+1,W
|
|
|
1120 call write_external_eeprom
|
|
|
1121 movf divesecs,W ; divetime seconds
|
|
|
1122 call write_external_eeprom
|
|
|
1123 movf mintemp+0,W ; minimum temperature
|
|
|
1124 call write_external_eeprom
|
|
|
1125 movf mintemp+1,W
|
|
|
1126 call write_external_eeprom
|
|
|
1127 movf last_surfpressure_30min+0,W ; airpressure before dive
|
|
|
1128 call write_external_eeprom
|
|
|
1129 movf last_surfpressure_30min+1,W
|
|
|
1130 call write_external_eeprom
|
|
|
1131 movff int_O_desaturation_time+0,lo ;
|
|
|
1132 movff int_O_desaturation_time+1,hi
|
|
|
1133 movf lo,W ; desaturation time in minutes
|
|
|
1134 call write_external_eeprom
|
|
|
1135 movf hi,W ;
|
|
|
1136 call write_external_eeprom
|
|
|
1137
|
|
|
1138 ; Gases....
|
|
|
1139 read_int_eeprom d'6' ; Read byte (stored in EEDATA)
|
|
|
1140 movf EEDATA,W
|
|
|
1141 call write_external_eeprom
|
|
|
1142 read_int_eeprom d'7' ; Read byte (stored in EEDATA)
|
|
|
1143 movf EEDATA,W
|
|
|
1144 call write_external_eeprom
|
|
|
1145
|
|
|
1146 read_int_eeprom d'10' ; Read byte (stored in EEDATA)
|
|
|
1147 movf EEDATA,W
|
|
|
1148 call write_external_eeprom
|
|
|
1149 read_int_eeprom d'11' ; Read byte (stored in EEDATA)
|
|
|
1150 movf EEDATA,W
|
|
|
1151 call write_external_eeprom
|
|
|
1152
|
|
|
1153 read_int_eeprom d'14' ; Read byte (stored in EEDATA)
|
|
|
1154 movf EEDATA,W
|
|
|
1155 call write_external_eeprom
|
|
|
1156 read_int_eeprom d'15' ; Read byte (stored in EEDATA)
|
|
|
1157 movf EEDATA,W
|
|
|
1158 call write_external_eeprom
|
|
|
1159
|
|
|
1160 read_int_eeprom d'18' ; Read byte (stored in EEDATA)
|
|
|
1161 movf EEDATA,W
|
|
|
1162 call write_external_eeprom
|
|
|
1163 read_int_eeprom d'19' ; Read byte (stored in EEDATA)
|
|
|
1164 movf EEDATA,W
|
|
|
1165 call write_external_eeprom
|
|
|
1166
|
|
|
1167 read_int_eeprom d'22' ; Read byte (stored in EEDATA)
|
|
|
1168 movf EEDATA,W
|
|
|
1169 call write_external_eeprom
|
|
|
1170 read_int_eeprom d'23' ; Read byte (stored in EEDATA)
|
|
|
1171 movf EEDATA,W
|
|
|
1172 call write_external_eeprom
|
|
|
1173
|
|
|
1174 read_int_eeprom d'24' ; % O2 Gas6
|
|
|
1175 movf EEDATA,W
|
|
|
1176 call write_external_eeprom
|
|
|
1177 read_int_eeprom d'25' ; % He Gas6
|
|
|
1178 movf EEDATA,W
|
|
|
1179 call write_external_eeprom
|
|
|
1180 read_int_eeprom d'33' ; start gas
|
|
|
1181 movf EEDATA,W
|
|
|
1182 call write_external_eeprom
|
|
|
1183
|
|
|
1184 movlw softwareversion_x ; Firmware version
|
|
|
1185 call write_external_eeprom
|
|
|
1186 movlw softwareversion_y
|
|
|
1187 call write_external_eeprom
|
|
|
1188 movf batt_voltage+0,W ; Battery voltage
|
|
|
1189 call write_external_eeprom
|
|
|
1190 movf batt_voltage+1,W
|
|
|
1191 call write_external_eeprom
|
|
|
1192
|
|
|
1193 GETCUSTOM8 d'20' ; sampling rate in WREG
|
|
|
1194 btfsc FLAG_apnoe_mode ; Apnoe mode?
|
|
|
1195 movlw d'1' ; Apnoe sampling rate
|
|
|
1196 call write_external_eeprom
|
|
|
1197
|
|
|
1198 movlw d'2' ; information size temperature
|
|
|
1199 movwf temp1 ; copy to bits 0-3
|
|
|
1200 swapf temp1,F ; swap nibbels 0-3 with 4-7
|
|
|
1201 GETCUSTOM8 d'21' ; Divisor temperature
|
|
|
1202 addwf temp1,W ; copy to bits 0-3, result in WREG
|
|
|
1203 call write_external_eeprom
|
|
|
1204
|
|
|
1205 movlw d'2' ; information size deco
|
|
|
1206 movwf temp1 ; copy to bits 0-3
|
|
|
1207 swapf temp1,F ; swap nibbels 0-3 with 4-7
|
|
|
1208 GETCUSTOM8 d'22' ; Divisor deco
|
|
|
1209 addwf temp1,W ; copy to bits 0-3, result in WREG
|
|
|
1210 call write_external_eeprom
|
|
|
1211
|
|
|
1212 movlw d'2' ; information size tank
|
|
|
1213 movwf temp1 ; copy to bits 0-3
|
|
|
1214 swapf temp1,F ; swap nibbels 0-3 with 4-7
|
|
|
1215 GETCUSTOM8 d'23' ; Divisor Tank
|
|
|
1216 addwf temp1,W ; copy to bits 0-3, result in WREG
|
|
|
1217 call write_external_eeprom
|
|
|
1218
|
|
|
1219 movlw d'3' ; information size pp02
|
|
|
1220 movwf temp1 ; copy to bits 0-3
|
|
|
1221 swapf temp1,F ; swap nibbels 0-3 with 4-7
|
|
|
1222 GETCUSTOM8 d'24' ; Divisor pp02
|
|
|
1223 addwf temp1,W ; copy to bits 0-3, result in WREG
|
|
|
1224 call write_external_eeprom
|
|
|
1225
|
|
|
1226 movlw d'9' ; information size Decodebug
|
|
|
1227 movwf temp1 ; copy to bits 0-3
|
|
|
1228 swapf temp1,F ; swap nibbels 0-3 with 4-7
|
|
|
1229 GETCUSTOM8 d'25' ; Divisor Decodebug
|
|
|
1230 addwf temp1,W ; copy to bits 0-3, result in WREG
|
|
|
1231 call write_external_eeprom
|
|
|
1232
|
|
|
1233 movlw d'0' ; information size nuy2
|
|
|
1234 movwf temp1 ; copy to bits 0-3
|
|
|
1235 swapf temp1,F ; swap nibbels 0-3 with 4-7
|
|
|
1236 GETCUSTOM8 d'26' ; Divisor nuy2
|
|
|
1237 addwf temp1,W ; copy to bits 0-3, result in WREG
|
|
|
1238 call write_external_eeprom
|
|
|
1239
|
|
|
1240 read_int_eeprom d'26' ; Read Salinity from EEPROM
|
|
|
1241 movf EEDATA,W
|
|
|
1242 call write_external_eeprom ; Store Salinity to Dive
|
|
|
1243
|
|
|
1244 movlw d'0' ; Spare
|
|
|
1245 call write_external_eeprom
|
|
|
1246
|
|
|
1247 movlw 0xFB ; Header stop
|
|
|
1248 call write_external_eeprom
|
|
|
1249 movlw 0xFB
|
|
|
1250 call write_external_eeprom
|
|
|
1251
|
|
25
|
1252 btfsc simulatormode_active ; Are we in simulator mode?
|
|
|
1253 bra change_logbook_offset2 ; Yes, do not update history
|
|
|
1254
|
|
0
|
1255 ; Increase total dive counter
|
|
|
1256 read_int_eeprom d'2' ; Read byte (stored in EEDATA)
|
|
|
1257 movff EEDATA,temp1 ; Low byte
|
|
|
1258 read_int_eeprom d'3' ; Read byte (stored in EEDATA)
|
|
|
1259 movff EEDATA,temp2 ; high byte
|
|
|
1260 bcf STATUS,C
|
|
|
1261 movlw d'1'
|
|
|
1262 addwf temp1
|
|
|
1263 movlw d'0'
|
|
|
1264 addwfc temp2
|
|
|
1265 movff temp1,EEDATA
|
|
|
1266 write_int_eeprom d'2' ; write byte stored in EEDATA
|
|
|
1267 movff temp2,EEDATA
|
|
|
1268 write_int_eeprom d'3' ; write byte stored in EEDATA
|
|
|
1269
|
|
|
1270 GETCUSTOM15 .28 ; Logbook Offset -> lo, hi
|
|
|
1271 tstfsz lo ; lo=0?
|
|
|
1272 bra change_logbook_offset1 ; No, adjust offset
|
|
|
1273 tstfsz hi ; hi=0?
|
|
|
1274 bra change_logbook_offset1 ; No, adjust offset
|
|
|
1275 bra change_logbook_offset2 ; lo=0 and hi=0 -> skip Offset routine
|
|
|
1276 change_logbook_offset1:
|
|
|
1277 movlw d'1'
|
|
|
1278 addwf lo
|
|
|
1279 movlw d'0'
|
|
|
1280 addwfc hi
|
|
|
1281 movlw d'112' ; CF28 *4 Bytes...
|
|
|
1282 addlw 0x82
|
|
|
1283 movwf EEADR
|
|
|
1284 movff lo,EEDATA
|
|
|
1285 call write_eeprom ; Lowbyte
|
|
|
1286 movlw d'112' ; CF28 *4 Bytes...
|
|
|
1287 addlw 0x83
|
|
|
1288 movwf EEADR
|
|
|
1289 movff hi,EEDATA
|
|
|
1290 call write_eeprom ; Highbyte
|
|
|
1291
|
|
|
1292 change_logbook_offset2:
|
|
25
|
1293 bcf LED_blue
|
|
33
|
1294
|
|
|
1295 end_dive_common:
|
|
0
|
1296 bcf simulatormode_active ; if we were in simulator mode
|
|
|
1297
|
|
|
1298 btfsc restore_deco_data ; Restore decodata?
|
|
|
1299 call simulator_restore_tissue_data ; Yes!
|
|
|
1300
|
|
|
1301 call deco_main_gradient_array
|
|
|
1302 movlb b'00000001' ; select ram bank 1
|
|
|
1303
|
|
|
1304 clrf surface_interval+0
|
|
|
1305 clrf surface_interval+1 ; Clear surface interval timer
|
|
|
1306
|
|
|
1307 goto surfloop ; and return to surfaceloop
|
|
|
1308
|
|
|
1309 timeout_divemode:
|
|
|
1310 btfss realdive ; Dive longer then one minute
|
|
|
1311 return
|
|
|
1312
|
|
|
1313 btfsc FLAG_apnoe_mode ; In Apnoe mode?
|
|
|
1314 bra timeout_divemode2 ; Yes, use CF30 [min] for timeout
|
|
|
1315
|
|
|
1316 btfsc simulatormode_active ; In Simulator mode?
|
|
|
1317 bra timeout_divemode3 ; Yes, use fixed 5 seconds timeout
|
|
|
1318
|
|
|
1319 bcf divemode
|
|
|
1320 incf timeout_counter,F
|
|
|
1321 GETCUSTOM8 d'2' ; diveloop_timeout
|
|
|
1322 addlw d'2' ; adds two seconds in case timout=zero!
|
|
|
1323 btfsc STATUS,C ; > 255?
|
|
|
1324 movlw d'255' ; Set to 255...
|
|
|
1325 decf WREG,F ; Limit to 254
|
|
|
1326 cpfsgt timeout_counter
|
|
|
1327 bsf divemode
|
|
|
1328 return
|
|
|
1329
|
|
|
1330 timeout_divemode2:
|
|
|
1331 incf timeout_counter,F ; seconds...
|
|
|
1332 movlw d'60'
|
|
|
1333 cpfseq timeout_counter ; timeout_counter=60?
|
|
|
1334 return ; No.
|
|
|
1335
|
|
|
1336 clrf timeout_counter
|
|
|
1337 bcf divemode
|
|
|
1338 incf apnoe_timeout_counter,F
|
|
|
1339 GETCUSTOM8 d'30' ; apnoe timeout [min]
|
|
|
1340 cpfseq apnoe_timeout_counter
|
|
|
1341 bsf divemode
|
|
|
1342 return
|
|
|
1343
|
|
|
1344 timeout_divemode3:
|
|
|
1345 bcf divemode
|
|
|
1346 incf timeout_counter,F
|
|
|
1347 movlw d'5' ; Fixed timeout of 5 seconds
|
|
|
1348 cpfsgt timeout_counter
|
|
|
1349 bsf divemode
|
|
|
1350 return
|
|
|
1351
|
|
|
1352 update_divemode1: ; update any second
|
|
|
1353 call set_dive_modes ; tests if depth>threshold
|
|
|
1354
|
|
|
1355 btfsc divemode
|
|
|
1356 call set_max_depth ; update max. depth if required
|
|
|
1357
|
|
|
1358 btfsc divemode
|
|
|
1359 call set_min_temp ; store min. temp if required
|
|
|
1360
|
|
|
1361 bcf temp_changed ; Display temperature?
|
|
|
1362 movf temperature+0,W
|
|
|
1363 cpfseq last_temperature+0
|
|
|
1364 bsf temp_changed ; Yes
|
|
|
1365 movf temperature+1,W
|
|
|
1366 cpfseq last_temperature+1
|
|
|
1367 bsf temp_changed ; Yes
|
|
|
1368 btfsc temp_changed
|
|
|
1369 call PLED_temp_divemode ; Displays temperature
|
|
|
1370
|
|
|
1371 bcf pres_changed ; Display new depth?
|
|
|
1372 movf amb_pressure+0,W
|
|
|
1373 cpfseq last_pressure+0
|
|
|
1374 bsf pres_changed ; Yes
|
|
|
1375 movf amb_pressure+1,W
|
|
|
1376 cpfseq last_pressure+1
|
|
|
1377 bsf pres_changed ; Yes
|
|
|
1378
|
|
|
1379 btfsc simulatormode_active ; always update depth when in simulator mode
|
|
|
1380 bsf pres_changed
|
|
|
1381
|
|
|
1382 btfsc pres_changed
|
|
|
1383 call PLED_depth ; Displays new depth
|
|
|
1384 return
|
|
|
1385
|
|
|
1386 update_divemode60: ; update any minute
|
|
|
1387 call get_battery_voltage ; gets battery voltage
|
|
|
1388 call set_powersafe ; red LED blinking if battery is low
|
|
|
1389 call PLED_max_pressure ; No, use normal max. depth
|
|
|
1390 call check_temp_extrema ; check for new temperature extremas
|
|
|
1391 bcf oneminupdate
|
|
|
1392 return
|
|
|
1393
|
|
|
1394 set_max_depth:
|
|
|
1395 movff max_pressure+0,sub_a+0
|
|
|
1396 movff max_pressure+1,sub_a+1
|
|
|
1397 movff rel_pressure+0,sub_b+0
|
|
|
1398 movff rel_pressure+1,sub_b+1
|
|
|
1399 call sub16 ; sub_c = sub_a - sub_b
|
|
|
1400 ; max_pressure<rel_pressure -> neg_flag=1
|
|
|
1401 ; rel_pressure<=max_pressure -> neg_flag=0
|
|
|
1402 btfss neg_flag
|
|
|
1403 return
|
|
|
1404 ;max_pressure<rel_pressure
|
|
|
1405 movff rel_pressure+0,max_pressure+0
|
|
|
1406 movff rel_pressure+1,max_pressure+1
|
|
|
1407 call PLED_max_pressure ; No, use normal max. depth
|
|
|
1408 return
|
|
|
1409
|
|
|
1410 set_min_temp:
|
|
|
1411 movff mintemp+0,sub_a+0
|
|
|
1412 movff mintemp+1,sub_a+1
|
|
|
1413 movff temperature+0,sub_b+0
|
|
|
1414 movff temperature+1,sub_b+1
|
|
|
1415 call sub16 ; sub_c = sub_a - sub_b
|
|
|
1416 ; mintemp<T -> neg_flag=1
|
|
|
1417 ; T<=mintemp -> neg_flag=0
|
|
|
1418 btfsc neg_flag
|
|
|
1419 return
|
|
|
1420 ;mintemp>=T
|
|
|
1421 movff temperature+0,mintemp+0
|
|
|
1422 movff temperature+1,mintemp+1
|
|
|
1423 return
|
|
|
1424
|
|
|
1425 set_dive_modes:
|
|
|
1426 bcf divemode2 ; Stop time
|
|
|
1427
|
|
|
1428 GETCUSTOM8 .0 ; loads dive_threshold in WREG
|
|
|
1429 movwf sub_a+0 ; dive_treshold is in cm
|
|
|
1430 clrf sub_a+1
|
|
|
1431
|
|
|
1432 movff rel_pressure+0,sub_b+0
|
|
|
1433 movff rel_pressure+1,sub_b+1
|
|
|
1434
|
|
|
1435 call sub16 ; sub_c = sub_a - sub_b
|
|
|
1436
|
|
|
1437 btfss neg_flag
|
|
|
1438 bra set_dive_modes2 ; too shallow (rel_pressure<dive_threshold)
|
|
|
1439
|
|
|
1440 btfsc realdive ; Dive longer than one minute?
|
|
|
1441 clrf timeout_counter
|
|
|
1442
|
|
|
1443 bsf divemode
|
|
|
1444 bsf divemode2 ; displayed divetime is running
|
|
|
1445 return
|
|
|
1446
|
|
|
1447 set_dive_modes2:
|
|
|
1448 btfss realdive ; dive longer then one minute?
|
|
|
1449 bcf divemode ; no -> this was no real dive
|
|
|
1450 return
|
|
|
1451
|
|
|
1452 set_powersafe:
|
|
|
1453 btfsc low_battery_state ; battery warning alread active?
|
|
|
1454 bra set_powersafe2 ; Yes, but is it still required?
|
|
|
1455 ; battery voltage in mV (value*256+Lowbyte=actual treshold)
|
|
|
1456 movlw d'12' ; 3,328V
|
|
|
1457 cpfsgt batt_voltage+1
|
|
|
1458 bra set_powersafe1
|
|
|
1459 return
|
|
|
1460
|
|
|
1461 set_powersafe1:
|
|
|
1462 movlw d'7' ; Type of Alarm (Battery Low)
|
|
|
1463 movwf AlarmType ; Copy to Alarm Register
|
|
|
1464 bsf event_occured ; Set Event Flag
|
|
|
1465 bsf low_battery_state ; set flag for battery warning
|
|
|
1466 return ; return
|
|
|
1467
|
|
|
1468 set_powersafe2:
|
|
|
1469 movlw d'13' ; 3,584V
|
|
|
1470 cpfsgt batt_voltage+1
|
|
|
1471 bra set_powersafe1 ; Still to low
|
|
|
1472 bcf low_battery_state ; clear flag for battery warning mode
|
|
|
1473 return
|
|
|
1474
|
|
|
1475 calc_average_depth:
|
|
|
1476 ; 1. Add new 2xdepth to the Sum of depths registers
|
|
|
1477 movff rel_pressure+0,b0_lo
|
|
|
1478 movff rel_pressure+1,b0_hi
|
|
|
1479
|
|
|
1480 movf b0_lo,w
|
|
|
1481 addwf average_depth_hold+0,F
|
|
|
1482 movf b0_hi,w
|
|
|
1483 addwfc average_depth_hold+1,F
|
|
|
1484 movlw d'0'
|
|
|
1485 addwfc average_depth_hold+2,F
|
|
|
1486 addwfc average_depth_hold+3,F ; Will work up to 9999mBar*60*60*24=863913600mBar
|
|
|
1487
|
|
|
1488 movf b0_lo,w
|
|
|
1489 addwf average_depth_hold+0,F
|
|
|
1490 movf b0_hi,w
|
|
|
1491 addwfc average_depth_hold+1,F
|
|
|
1492 movlw d'0'
|
|
|
1493 addwfc average_depth_hold+2,F
|
|
|
1494 addwfc average_depth_hold+3,F ; Will work up to 9999mBar*60*60*24=863913600mBar
|
|
|
1495
|
|
|
1496 ; 2. Compute Average Depth on base of average_divesecs:2
|
|
|
1497
|
|
|
1498 movff average_divesecs+0,xB+0
|
|
|
1499 movff average_divesecs+1,xB+1 ; Copy
|
|
|
1500 movff average_depth_hold+0,xC+0
|
|
|
1501 movff average_depth_hold+1,xC+1
|
|
|
1502 movff average_depth_hold+2,xC+2
|
|
|
1503 movff average_depth_hold+3,xC+3
|
|
|
1504
|
|
|
1505 call div32x16 ; xC:4 / xB:2 = xC+3:xC+2 with xC+1:xC+0 as remainder
|
|
|
1506 movff xC+0,avr_rel_pressure+0
|
|
|
1507 movff xC+1,avr_rel_pressure+1
|
|
|
1508 return
|
|
|
1509
|
|
|
1510
|
|
|
1511 diveloop_boot:
|
|
|
1512 ostc_debug 'Q' ; Sends debug-information to screen if debugmode active
|
|
|
1513 clrf max_pressure+0 ; clear some variables
|
|
|
1514 clrf max_pressure+1
|
|
|
1515
|
|
|
1516 clrf avr_rel_pressure+0
|
|
|
1517 clrf avr_rel_pressure+1
|
|
|
1518
|
|
|
1519 call PLED_brightness_low
|
|
|
1520 read_int_eeprom d'90' ; Brightness offset? (Dim>0, Normal = 0)
|
|
|
1521 movlw d'0'
|
|
|
1522 cpfsgt EEDATA
|
|
|
1523 call PLED_brightness_full
|
|
|
1524
|
|
|
1525 clrf average_depth_hold+0
|
|
|
1526 clrf average_depth_hold+1
|
|
|
1527 clrf average_depth_hold+2
|
|
|
1528 clrf average_depth_hold+3 ; Clear average depth register
|
|
|
1529 movlw d'1'
|
|
|
1530 movwf average_divesecs+0
|
|
|
1531 clrf average_divesecs+1
|
|
|
1532
|
|
|
1533 movlw d'1'
|
|
|
1534 movwf apnoe_max_pressure+0
|
|
|
1535 clrf apnoe_max_pressure+1
|
|
|
1536 clrf apnoe_surface_mins
|
|
|
1537 clrf apnoe_surface_secs
|
|
|
1538 clrf apnoe_mins
|
|
|
1539 clrf apnoe_secs
|
|
|
1540 clrf divemins+0
|
|
|
1541 clrf divemins+1
|
|
|
1542 clrf divesecs
|
|
|
1543 clrf samplesecs
|
|
|
1544 clrf apnoe_timeout_counter ; timeout in minutes
|
|
|
1545 clrf timeout_counter ; takes care of the timeout
|
|
|
1546 clrf timeout_counter2 ; Here: counts to six, then store deco data and temperature
|
|
|
1547 clrf AlarmType ; Clear all alarms
|
|
|
1548 bcf event_occured ; clear flag
|
|
|
1549 bcf depth_greater_100m ; clear flag
|
|
|
1550 setf last_diluent ; to be displayed after first calculation (range: 0 to 100 [%])
|
|
44
|
1551 ; clrf char_last_pointer
|
|
3
|
1552 bcf dekostop_active
|
|
|
1553 bcf is_bailout ;=1: CC mode, but bailout active!
|
|
8
|
1554 bcf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode
|
|
|
1555
|
|
0
|
1556 call get_free_EEPROM_location ; get last position in external EEPROM, may be up to 2 secs!
|
|
|
1557
|
|
|
1558 movff last_surfpressure_30min+1,int_I_pres_surface+1 ; HIGH copy surfacepressure to deco routine
|
|
|
1559 movff last_surfpressure_30min+0,int_I_pres_surface+0 ; LOW copy surfacepressure to deco routine
|
|
|
1560 movff temperature+0,mintemp+0 ; Reset Min-Temp registers
|
|
|
1561 movff temperature+1,mintemp+1 ; Reset Min-Temp registers
|
|
|
1562
|
|
|
1563 clrf wait_temp ; Used to clear Bankx registers
|
|
|
1564 movff wait_temp,char_O_GF_low_pointer
|
|
|
1565 movff wait_temp,char_O_actual_pointer
|
|
|
1566 lfsr FSR0,0x250
|
|
|
1567 movlw 0x20
|
|
|
1568 movwf wait_temp
|
|
|
1569 clear_deco_lists: ; Clear Deco list
|
|
|
1570 clrf POSTINC0
|
|
|
1571 decfsz wait_temp,F
|
|
|
1572 bra clear_deco_lists
|
|
|
1573 lfsr FSR0,0x270
|
|
|
1574 movlw 0x20
|
|
|
1575 movwf wait_temp
|
|
|
1576 set_no_forced_stops: ; Init Deco list
|
|
|
1577 movlw 0x01
|
|
|
1578 movwf POSTINC0
|
|
|
1579 decfsz wait_temp,F
|
|
|
1580 bra set_no_forced_stops
|
|
|
1581 lfsr FSR0,0x290 ; clear int_O_calc_tissue_call_counter (DEBUG)
|
|
|
1582 clrf POSTINC0
|
|
|
1583 clrf POSTINC0
|
|
|
1584
|
|
45
|
1585 ;; Load GF values into RAM - now done in start.asm!
|
|
|
1586 ; GETCUSTOM8 d'32' ; GF low
|
|
|
1587 ; movff EEDATA,char_I_GF_Lo_percentage
|
|
|
1588 ; GETCUSTOM8 d'33' ; GF high
|
|
|
1589 ; movff EEDATA,char_I_GF_Hi_percentage
|
|
|
1590 ;
|
|
0
|
1591 ; Start with active Stopwatch?
|
|
|
1592 bsf stopwatch_active
|
|
|
1593 GETCUSTOM8 d'41' ; =1: Start with active Stopwatch
|
|
|
1594 movwf lo
|
|
|
1595 movlw d'1'
|
|
|
1596 cpfseq lo ; CF41=1?
|
|
|
1597 bcf stopwatch_active ; No!
|
|
|
1598
|
|
|
1599 ; Init profile recording parameters
|
|
|
1600 GETCUSTOM8 d'20' ; sample rate
|
|
|
1601 movwf samplesecs_value ; to avoid EEPROM access in the ISR
|
|
|
1602 GETCUSTOM8 d'21'
|
|
|
1603 movwf divisor_temperature ; load divisors for profile storage
|
|
|
1604 GETCUSTOM8 d'22'
|
|
|
1605 movwf divisor_deco
|
|
|
1606 GETCUSTOM8 d'23'
|
|
|
1607 movwf divisor_tank
|
|
|
1608 GETCUSTOM8 d'24'
|
|
|
1609 movwf divisor_ppo2
|
|
|
1610 GETCUSTOM8 d'25'
|
|
|
1611 movwf divisor_deco_debug
|
|
|
1612 GETCUSTOM8 d'26'
|
|
|
1613 movwf divisor_nuy2
|
|
|
1614
|
|
|
1615 btfss FLAG_apnoe_mode ; In Apnoe mode?
|
|
|
1616 bra divemode1
|
|
|
1617 ; Overwrite some parameters in Apnoe mode....
|
|
|
1618 movlw d'1'
|
|
|
1619 movwf samplesecs_value ; to avoid EEPROM access in the ISR
|
|
|
1620
|
|
|
1621 divemode1:
|
|
|
1622 read_int_eeprom d'36' ; Read mix 1 ppO2
|
|
|
1623 btfsc FLAG_const_ppO2_mode
|
|
|
1624 movff EEDATA,char_I_const_ppO2 ; Set ppO2 setpoint if in ppO2 mode
|
|
4
|
1625 movff EEDATA, ppO2_setpoint_store ; Store also in this byte...
|
|
0
|
1626
|
|
21
|
1627 bcf LED_blue
|
|
0
|
1628 bcf low_battery_state ; clear flag for battery warning mode
|
|
|
1629 bcf header_stored
|
|
|
1630 bcf premenu
|
|
|
1631 bcf realdive
|
|
|
1632 bsf update_divetime ; set flag
|
|
|
1633 btfss simulatormode_active ; do not disable in simulator mode!
|
|
|
1634 call disable_rs232 ; Disable RS232 unless in external O2 Sensor mode
|
|
|
1635
|
|
|
1636 read_int_eeprom d'33' ; Read byte (stored in EEDATA)
|
|
|
1637 movff EEDATA,active_gas ; Read start gas (1-5)
|
|
|
1638
|
|
|
1639 ; Read Start Gas and configure char_I_He_ratio, char_I_O2_ratio and char_I_N2_ratio
|
|
|
1640 decf active_gas,W ; Gas 0-4
|
|
|
1641 mullw d'4'
|
|
|
1642 movf PRODL,W
|
|
|
1643 addlw d'7' ; = address for He ratio
|
|
|
1644 movwf EEADR
|
|
|
1645 call read_eeprom ; Read He ratio
|
|
|
1646 movff EEDATA,char_I_He_ratio ; And copy into hold register
|
|
|
1647 decf active_gas,W ; Gas 0-4
|
|
|
1648 mullw d'4'
|
|
|
1649 movf PRODL,W
|
|
|
1650 addlw d'6' ; = address for O2 ratio
|
|
|
1651 movwf EEADR
|
|
|
1652 call read_eeprom ; Read O2 ratio
|
|
|
1653 movff EEDATA, char_I_O2_ratio ; O2 ratio
|
|
|
1654 movff char_I_He_ratio, wait_temp ; copy into bank1 register
|
|
|
1655 bsf STATUS,C ; Borrow bit
|
|
|
1656 movlw d'100' ; 100%
|
|
|
1657 subfwb wait_temp,W ; minus He
|
|
|
1658 bsf STATUS,C ; Borrow bit
|
|
|
1659 subfwb EEDATA,F ; minus O2
|
|
|
1660 movff EEDATA, char_I_N2_ratio ; = N2!
|
|
|
1661
|
|
|
1662 ; New in 1.09 - DecoGas can be configured to achieve exact decompression proposal
|
|
|
1663 ; required variables
|
|
|
1664 ; These values are set when the OSTC is in decompression mode - will be done in routine "check_decogas"
|
|
|
1665 ; char_I_deco_gas_change; ; next gas change in meter
|
|
|
1666 ; char_I_deco_N2_ratio; ; next gas N2
|
|
|
1667 ; char_I_deco_He_ratio; ; next gas He
|
|
|
1668 clrf lo
|
|
|
1669 movff lo, char_I_deco_gas_change ; clear
|
|
|
1670 movff lo, char_I_deco_N2_ratio ; clear
|
|
|
1671 movff lo, char_I_deco_He_ratio ; clear
|
|
|
1672 bcf multi_gf_display ; Do not display the multi-gf table screen
|
|
|
1673 return |
