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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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109 goto fatal_error_sleep ; Yes (In Sleepmode_vxx.asm!)
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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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165 sleep
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166 nop
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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 call clear_LEDy ; LEDy OFF
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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 call set_LEDy ; Yes
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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 call set_LEDy ; Yes
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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 call set_LEDy ; LED Yellow on
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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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318 ; Check for decompression gases if in decomode
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319 divemode_check_decogases: ; CALLed from Simulator
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320 btfss dekostop_active
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321 bra reset_decompression_gases ; While in NDL, do not set deompression gas
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322 ; 1. Find active gas with deepest change depth < current depth
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323 ; 2. Set Decogas
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324
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325 movff rel_pressure+0,xA+0
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326 movff rel_pressure+1,xA+1
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327 movlw d'100'
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328 movwf xB+0
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329 clrf xB+1
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330 call div16x16 ; compute depth in full m -> result in xC+0
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331 clrf lo ; clear depth for comparison
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332
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333 ; check gas1
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334 read_int_eeprom d'27' ; read flag register
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335 btfss EEDATA,0 ; check active flag
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336 bra check_decogas2 ; skip inactive gases!
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337 read_int_eeprom d'28' ; read gas_change_depth
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338 movf xC+0,W ; load depth in m into WREG
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339 cpfslt EEDATA ; gas_change_depth > current depth?
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340 bra check_decogas2 ; W < EEDATA -> current depth lower then gas_change_depth
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341
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342 movff EEDATA,lo ; deepest gas_change_depth in lo
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343 movlw d'1'
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344 movwf hi ; Decogas # in hi (1-5)
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345
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346 check_decogas2:
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347 read_int_eeprom d'27' ; read flag register
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348 btfss EEDATA,1 ; check active flag
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349 bra check_decogas3 ; skip inactive gases!
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350 read_int_eeprom d'29' ; read gas_change_depth
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351 movf xC+0,W ; load depth in m into WREG
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352 cpfslt EEDATA ; gas_change_depth > current depth?
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353 bra check_decogas3 ; W < EEDATA -> current depth lower then gas_change_depth
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354
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355 read_int_eeprom d'29' ; read gas_change_depth
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356 movf lo,W ; load current gas_change_depth into WREG
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357 cpfsgt EEDATA ; last gas_change_depth > current gas_change_depth ?
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358 bra check_decogas3 ; W < lo -> last gas_change_depth > current gas_change_depth
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359 movff EEDATA,lo ; deepest gas_change_depth in lo
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360 movlw d'2'
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361 movwf hi ; Decogas # in hi (1-5)
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362
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363 check_decogas3:
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364 read_int_eeprom d'27' ; read flag register
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365 btfss EEDATA,2 ; check active flag
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366 bra check_decogas4 ; skip inactive gases!
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367 read_int_eeprom d'30' ; read gas_change_depth
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368 movf xC+0,W ; load depth in m into WREG
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369 cpfslt EEDATA ; gas_change_depth > current depth?
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370 bra check_decogas4 ; W < EEDATA -> current depth lower then gas_change_depth
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371
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372 read_int_eeprom d'30' ; read gas_change_depth
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373 movf lo,W ; load current gas_change_depth into WREG
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374 cpfsgt EEDATA ; last gas_change_depth > current gas_change_depth ?
|
|
|
375 bra check_decogas4 ; W < lo -> last gas_change_depth > current gas_change_depth
|
|
|
376 movff EEDATA,lo ; deepest gas_change_depth in lo
|
|
|
377 movlw d'3'
|
|
|
378 movwf hi ; Decogas # in hi (1-5)
|
|
|
379
|
|
|
380 check_decogas4:
|
|
|
381 read_int_eeprom d'27' ; read flag register
|
|
|
382 btfss EEDATA,3 ; check active flag
|
|
|
383 bra check_decogas5 ; skip inactive gases!
|
|
|
384 read_int_eeprom d'31' ; read gas_change_depth
|
|
|
385 movf xC+0,W ; load depth in m into WREG
|
|
|
386 cpfslt EEDATA ; gas_change_depth > current depth?
|
|
|
387 bra check_decogas5 ; W < EEDATA -> current depth lower then gas_change_depth
|
|
|
388
|
|
|
389 read_int_eeprom d'31' ; read gas_change_depth
|
|
|
390 movf lo,W ; load current gas_change_depth into WREG
|
|
|
391 cpfsgt EEDATA ; last gas_change_depth > current gas_change_depth ?
|
|
|
392 bra check_decogas5 ; W < lo -> last gas_change_depth > current gas_change_depth
|
|
|
393 movff EEDATA,lo ; deepest gas_change_depth in lo
|
|
|
394 movlw d'4'
|
|
|
395 movwf hi ; Decogas # in hi (1-5)
|
|
|
396
|
|
|
397 check_decogas5:
|
|
|
398 read_int_eeprom d'27' ; read flag register
|
|
|
399 btfss EEDATA,4 ; check active flag
|
|
|
400 bra check_decogas_done ; skip inactive gases!
|
|
|
401 read_int_eeprom d'32' ; read gas_change_depth
|
|
|
402 movf xC+0,W ; load depth in m into WREG
|
|
|
403 cpfslt EEDATA ; gas_change_depth > current depth?
|
|
|
404 bra check_decogas_done ; W < EEDATA -> current depth lower then gas_change_depth
|
|
|
405
|
|
|
406 read_int_eeprom d'32' ; read gas_change_depth
|
|
|
407 movf lo,W ; load current gas_change_depth into WREG
|
|
|
408 cpfsgt EEDATA ; last gas_change_depth > current gas_change_depth ?
|
|
|
409 bra check_decogas_done ; W < lo -> last gas_change_depth > current gas_change_depth
|
|
|
410 movff EEDATA,lo ; deepest gas_change_depth in lo
|
|
|
411 movlw d'5'
|
|
|
412 movwf hi ; Decogas # in hi (1-5)
|
|
|
413
|
|
|
414 check_decogas_done:
|
|
|
415 ostc_debug 'E' ; Sends debug-information to screen if debugmode active
|
|
|
416
|
|
|
417 decf hi,F ; Gas 0-4
|
|
|
418 movff lo, char_I_deco_gas_change ; copy change_depth
|
|
|
419
|
|
|
420 movf hi,W ; Gas 0-4
|
|
|
421 mullw d'4'
|
|
|
422 movf PRODL,W
|
|
|
423 addlw d'7' ; = address for He ratio
|
|
|
424 movwf EEADR
|
|
|
425 call read_eeprom ; Read He ratio
|
|
|
426 movff EEDATA,char_I_deco_He_ratio ; And copy into hold register
|
|
|
427
|
|
|
428
|
|
|
429 movf hi,W ; Gas 0-4
|
|
|
430 mullw d'4'
|
|
|
431 movf PRODL,W
|
|
|
432 addlw d'6' ; = address for O2 ratio
|
|
|
433 movwf EEADR
|
|
|
434 call read_eeprom ; Read O2 ratio
|
|
|
435
|
|
|
436 movff char_I_deco_He_ratio, wait_temp ; copy into bank1 register
|
|
|
437 bsf STATUS,C ; Borrow bit
|
|
|
438 movlw d'100' ; 100%
|
|
|
439 subfwb wait_temp,W ; minus He
|
|
|
440 bsf STATUS,C ; Borrow bit
|
|
|
441 subfwb EEDATA,F ; minus O2
|
|
|
442 movff EEDATA, char_I_deco_N2_ratio ; = N2!
|
|
|
443 bra skip_decompression_gases
|
|
|
444
|
|
|
445 reset_decompression_gases: ; reset the deco gas while in NDL
|
|
|
446 ostc_debug 'F' ; Sends debug-information to screen if debugmode active
|
|
|
447 clrf lo
|
|
|
448 movff lo, char_I_deco_gas_change ; clear
|
|
|
449 movff lo, char_I_deco_N2_ratio ; clear
|
|
|
450 movff lo, char_I_deco_He_ratio ; clear
|
|
|
451 skip_decompression_gases:
|
|
|
452 ;call PLED_gaschange_DEBUG
|
|
|
453 return
|
|
|
454
|
|
|
455 calc_deko_divemode2:
|
|
|
456 bcf twosecupdate
|
|
|
457
|
|
|
458 btfsc gauge_mode ; ignore decompression calculation in gauge mode
|
|
|
459 return
|
|
|
460 btfsc FLAG_apnoe_mode ; ignore decompression calculation in apnoe mode
|
|
|
461 return
|
|
|
462
|
|
|
463 ostc_debug 'B' ; Sends debug-information to screen if debugmode active
|
|
|
464 call divemode_prepare_flags_for_deco
|
|
|
465 call deco_main_calc_hauptroutine ; calc_tissue
|
|
|
466 movlb b'00000001' ; rambank 1 selected
|
|
|
467 ostc_debug 'C' ; Sends debug-information to screen if debugmode active
|
|
|
468
|
|
|
469 movff char_O_deco_status,deco_status ;
|
|
|
470 tstfsz deco_status ; deco_status=0 if decompression calculation done
|
|
|
471 return ; calculation not yet finished!
|
|
|
472
|
|
|
473 movff char_O_array_decodepth+0,wait_temp ; copy ceiling to temp register
|
|
|
474 tstfsz wait_temp ; Ceiling<0m?
|
|
|
475 bra calc_deko_divemode3 ; Yes!
|
|
|
476
|
|
|
477 btfsc dekostop_active
|
|
|
478 call PLED_display_ndl_mask ; Clear deco data, display nostop time
|
|
|
479 bcf dekostop_active ; clear flag
|
|
|
480
|
|
|
481 clrf decodata+0 ; for profile memory
|
|
|
482 movff char_O_nullzeit,decodata+1 ; nostop time
|
|
|
483
|
|
|
484 call PLED_display_ndl ; display no deco limit
|
|
|
485 return
|
|
|
486
|
|
|
487 divemode_prepare_flags_for_deco:
|
|
|
488 movff amb_pressure+0,int_I_pres_respiration+0 ; lo and copy result to deco routine
|
|
|
489 movff amb_pressure+1,int_I_pres_respiration+1 ; hi
|
|
|
490 GETCUSTOM8 d'11' ; Saturation multiplier %
|
|
|
491 movwf wait_temp
|
|
|
492 movff wait_temp,char_I_saturation_multiplier
|
|
|
493 GETCUSTOM8 d'12' ; Desaturation multiplier %
|
|
|
494 movwf wait_temp
|
|
|
495 movff wait_temp,char_I_desaturation_multiplier
|
|
|
496 GETCUSTOM8 d'16' ; Deco distance to decostop in 1/10 meter for simulation
|
|
|
497 movwf wait_temp
|
|
|
498 movff wait_temp,char_I_deco_distance
|
|
|
499 GETCUSTOM8 d'29' ; Depth Last Deco in meter for simulation
|
|
|
500 movwf wait_temp
|
|
|
501 movff wait_temp,char_I_depth_last_deco
|
|
|
502 call restart_set_modes_and_flags ; Sets decomode (char_I_deco_model) and flags (again)
|
|
|
503 return
|
|
|
504
|
|
|
505 calc_deko_divemode3:
|
|
|
506 btfss dekostop_active
|
|
|
507 call PLED_display_deko_mask ; clear nostop time, display decodata
|
|
|
508 bsf dekostop_active ; Set flag
|
|
|
509
|
|
|
510 movff char_O_array_decodepth+0,decodata+0 ; ceiling
|
|
|
511 movff char_O_array_decotime,decodata+1 ; length of first stop in minues
|
|
|
512
|
|
|
513 call PLED_display_deko ; display decodata
|
|
|
514 return
|
|
|
515
|
|
|
516 store_dive_data: ; CF20 seconds gone
|
|
|
517 bcf store_sample ; update only any CF20 seconds
|
|
|
518 bsf update_divetime ; update divemins every CF20 seconds
|
|
|
519
|
|
|
520 call clear_LEDg ; LEDg off
|
|
|
521
|
|
|
522 btfsc header_stored ; Header already stored?
|
|
|
523 bra store_dive_data2 ; Yes, store only profile data
|
|
|
524 bsf header_stored ; Store header
|
|
|
525
|
|
|
526 movff eeprom_address+0, eeprom_header_address+0 ; store startposition
|
|
|
527 movff eeprom_address+1, eeprom_header_address+1 ; store startposition
|
|
|
528
|
|
|
529 ; shift address for header
|
|
|
530 ; the header will be stored after the dive
|
|
|
531 incf_eeprom_address d'47' ; Macro, that adds 8Bit to eeprom_address:2 with banking at 0x8000
|
|
|
532
|
|
|
533 store_dive_data2:
|
|
|
534 movf rel_pressure+0,W ; store depth with every sample
|
|
|
535 call write_external_eeprom
|
|
|
536 movf rel_pressure+1,W
|
|
|
537 call write_external_eeprom
|
|
|
538
|
|
|
539 ;First, find out how many bytes will append to this sample....
|
|
|
540 clrf ProfileFlagByte ; clear number of bytes to append
|
|
|
541
|
|
|
542 ; Check Extented informations
|
|
|
543 decfsz divisor_temperature,W ; Check divisor
|
|
|
544 bra check_extended1
|
|
|
545 movlw d'2' ; Information length
|
|
|
546 addwf ProfileFlagByte,F ; add to ProfileFlagByte
|
|
|
547 check_extended1:
|
|
|
548 decfsz divisor_deco,W ; Check divisor
|
|
|
549 bra check_extended2
|
|
|
550 movlw d'2' ; Information length
|
|
|
551 addwf ProfileFlagByte,F ; add to ProfileFlagByte
|
|
|
552 check_extended2:
|
|
|
553 decfsz divisor_tank,W ; Check divisor
|
|
|
554 bra check_extended3
|
|
|
555 movlw d'2' ; Information length
|
|
|
556 addwf ProfileFlagByte,F ; add to ProfileFlagByte
|
|
|
557 check_extended3:
|
|
|
558 decfsz divisor_ppo2,W ; Check divisor
|
|
|
559 bra check_extended4
|
|
|
560 movlw d'3' ; Information length
|
|
|
561 addwf ProfileFlagByte,F ; add to ProfileFlagByte
|
|
|
562 check_extended4:
|
|
|
563 decfsz divisor_deco_debug,W; Check divisor
|
|
|
564 bra check_extended5
|
|
|
565 movlw d'9' ; Information length
|
|
|
566 addwf ProfileFlagByte,F ; add to ProfileFlagByte
|
|
|
567 check_extended5:
|
|
|
568 decfsz divisor_nuy2,W ; Check divisor
|
|
|
569 bra check_extended6
|
|
|
570 movlw d'0' ; Information length
|
|
|
571 addwf ProfileFlagByte,F ; add to ProfileFlagByte
|
|
|
572 check_extended6:
|
|
|
573
|
|
|
574 ; Second, check global event flag
|
|
|
575 btfss event_occured ; Check global event flag
|
|
|
576 bra store_dive_data3 ; No Event
|
|
|
577 movlw d'1'
|
|
|
578 addwf ProfileFlagByte,F ; add one byte (The EventByte)
|
|
|
579
|
|
|
580 clrf EventByte ; reset EventByte
|
|
|
581
|
|
|
582 movf AlarmType,W ; Type of Alarm Bit 0-3
|
|
|
583 addwf EventByte,F ; Copy to EventByte Bit 0-3
|
|
|
584 clrf AlarmType ; Reset AlarmType
|
|
|
585
|
|
|
586 ; Third, check events and add aditional bytes
|
|
|
587 btfss manual_gas_changed ; Check flag
|
|
|
588 bra check_event1
|
|
|
589 movlw d'2' ; Information length
|
|
|
590 addwf ProfileFlagByte,F ; add to ProfileFlagByte
|
|
|
591 bsf EventByte,4 ; Also set Flag in EventByte!
|
|
|
592 check_event1:
|
|
|
593 btfss stored_gas_changed ; Check flag
|
|
|
594 bra check_event2
|
|
|
595 movlw d'1' ; Information length
|
|
|
596 addwf ProfileFlagByte,F ; add to ProfileFlagByte
|
|
|
597 bsf EventByte,5 ; Also set Flag in EventByte!
|
|
|
598 check_event2:
|
|
|
599 bsf ProfileFlagByte,7 ; Set EventByte Flag in ProfileFlagByte
|
|
|
600
|
|
|
601 store_dive_data3:
|
|
|
602 movf ProfileFlagByte,W ; finally, write ProfileFlagByte!
|
|
|
603 call write_external_eeprom
|
|
|
604
|
|
|
605 btfss event_occured ; Check global event flag (again)
|
|
|
606 bra store_dive_data4 ; No Event
|
|
|
607
|
|
|
608 ; Store the EventByte + additional bytes now
|
|
|
609 movf EventByte,W
|
|
|
610 call write_external_eeprom
|
|
|
611
|
|
|
612 btfss manual_gas_changed ; Check flag
|
|
|
613 bra store_dive_data3a
|
|
|
614 read_int_eeprom d'24' ; % O2 Gas6
|
|
|
615 movf EEDATA,W
|
|
|
616 call write_external_eeprom
|
|
|
617 read_int_eeprom d'25' ; % He Gas6
|
|
|
618 movf EEDATA,W
|
|
|
619 call write_external_eeprom
|
|
|
620
|
|
|
621 store_dive_data3a:
|
|
|
622 btfss stored_gas_changed ; Check flag
|
|
|
623 bra store_dive_data3b
|
|
|
624 movf active_gas,W ; Store active gas
|
|
|
625 call write_external_eeprom
|
|
|
626
|
|
|
627 store_dive_data3b:
|
|
|
628
|
|
|
629 store_dive_data4:
|
|
|
630 bcf event_occured ; Clear the global event flag
|
|
|
631 bcf manual_gas_changed ; Clear all events
|
|
|
632 bcf stored_gas_changed ; Clear all events
|
|
|
633
|
|
|
634 ; Store extended informations
|
|
|
635 decfsz divisor_temperature,F ; Check divisor
|
|
|
636 bra store_extended1
|
|
|
637 rcall store_dive_temperature
|
|
|
638 store_extended1:
|
|
|
639 decfsz divisor_deco,F ; Check divisor
|
|
|
640 bra store_extended2
|
|
|
641 rcall store_dive_decodata
|
|
|
642 store_extended2:
|
|
|
643 decfsz divisor_tank,F ; Check divisor
|
|
|
644 bra store_extended3
|
|
|
645 rcall store_dive_tankdata
|
|
|
646 store_extended3:
|
|
|
647 decfsz divisor_ppo2,F ; Check divisor
|
|
|
648 bra store_extended4
|
|
|
649 rcall store_dive_ppo2
|
|
|
650 store_extended4:
|
|
|
651 decfsz divisor_deco_debug,F; Check divisor
|
|
|
652 bra store_extended5
|
|
|
653 rcall store_dive_decodebug
|
|
|
654 store_extended5:
|
|
|
655 decfsz divisor_nuy2,F ; Check divisor
|
|
|
656 bra store_extended6
|
|
|
657 rcall store_dive_nuy2
|
|
|
658 store_extended6:
|
|
|
659
|
|
|
660 ; The next block is required to take care of "store never"
|
|
|
661 btfsc divisor_temperature,7 ; Test highest Bit (Register must have been zero before the "decfsz" command!)
|
|
|
662 clrf divisor_temperature ; And clear register again, so it will never reach zero...
|
|
|
663 btfsc divisor_deco,7 ; Test highest Bit (Register must have been zero before the "decfsz" command!)
|
|
|
664 clrf divisor_deco ; And clear register again, so it will never reach zero...
|
|
|
665 btfsc divisor_tank,7 ; Test highest Bit (Register must have been zero before the "decfsz" command!)
|
|
|
666 clrf divisor_tank ; And clear register again, so it will never reach zero...
|
|
|
667 btfsc divisor_ppo2,7 ; Test highest Bit (Register must have been zero before the "decfsz" command!)
|
|
|
668 clrf divisor_ppo2 ; And clear register again, so it will never reach zero...
|
|
|
669 btfsc divisor_deco_debug,7 ; Test highest Bit (Register must have been zero before the "decfsz" command!)
|
|
|
670 clrf divisor_deco_debug ; And clear register again, so it will never reach zero...
|
|
|
671 btfsc divisor_nuy2,7 ; Test highest Bit (Register must have been zero before the "decfsz" command!)
|
|
|
672 clrf divisor_nuy2 ; And clear register again, so it will never reach zero...
|
|
|
673
|
|
|
674 ostc_debug 'D' ; Sends debug-information to screen if debugmode active
|
|
|
675 return ; Done.
|
|
|
676
|
|
|
677 store_dive_nuy2:
|
|
|
678 GETCUSTOM8 d'26'
|
|
|
679 movwf divisor_nuy2 ; Reload divisor from CF
|
|
|
680 return
|
|
|
681
|
|
|
682 store_dive_decodebug:
|
|
|
683 movff 0x931,divisor_deco_debug ; Used as temp
|
|
|
684 movf divisor_deco_debug,W ; copy to WREG
|
|
|
685 call write_external_eeprom ; Store in EEPROM
|
|
|
686 movff 0x930,divisor_deco_debug ; Used as temp
|
|
|
687 movf divisor_deco_debug,W ; copy to WREG
|
|
|
688 call write_external_eeprom ; Store in EEPROM
|
|
|
689 movff 0x933,divisor_deco_debug ; Used as temp
|
|
|
690 movf divisor_deco_debug,W ; copy to WREG
|
|
|
691 call write_external_eeprom ; Store in EEPROM
|
|
|
692 movff 0x932,divisor_deco_debug ; Used as temp
|
|
|
693 movf divisor_deco_debug,W ; copy to WREG
|
|
|
694 call write_external_eeprom ; Store in EEPROM
|
|
|
695 movff 0x935,divisor_deco_debug ; Used as temp
|
|
|
696 movf divisor_deco_debug,W ; copy to WREG
|
|
|
697 call write_external_eeprom ; Store in EEPROM
|
|
|
698 movff 0x934,divisor_deco_debug ; Used as temp
|
|
|
699 movf divisor_deco_debug,W ; copy to WREG
|
|
|
700 call write_external_eeprom ; Store in EEPROM
|
|
|
701 movff 0x937,divisor_deco_debug ; Used as temp
|
|
|
702 movf divisor_deco_debug,W ; copy to WREG
|
|
|
703 call write_external_eeprom ; Store in EEPROM
|
|
|
704 movff 0x936,divisor_deco_debug ; Used as temp
|
|
|
705 movf divisor_deco_debug,W ; copy to WREG
|
|
|
706 call write_external_eeprom ; Store in EEPROM
|
|
|
707 movff 0x938,divisor_deco_debug ; Used as temp
|
|
|
708 movf divisor_deco_debug,W ; copy to WREG
|
|
|
709 call write_external_eeprom ; Store in EEPROM
|
|
|
710 GETCUSTOM8 d'25'
|
|
|
711 movwf divisor_deco_debug ; Reload divisor from CF
|
|
|
712 return
|
|
|
713
|
|
|
714 store_dive_ppo2:
|
|
|
715 movlw 0x00 ; Dummy
|
|
|
716 call write_external_eeprom
|
|
|
717 movlw 0x00 ; Dummy
|
|
|
718 call write_external_eeprom
|
|
|
719 movlw 0x00 ; Dummy
|
|
|
720 call write_external_eeprom
|
|
|
721 GETCUSTOM8 d'24'
|
|
|
722 movwf divisor_ppo2 ; Reload divisor from CF
|
|
|
723 return
|
|
|
724
|
|
|
725 store_dive_tankdata:
|
|
|
726 movlw d'0' ; Dummy Tank1
|
|
|
727 call write_external_eeprom
|
|
|
728 movlw d'0' ; Dummy Tank2
|
|
|
729 call write_external_eeprom
|
|
|
730 GETCUSTOM8 d'23'
|
|
|
731 movwf divisor_tank ; Reload divisor from CF
|
|
|
732 return
|
|
|
733
|
|
|
734 store_dive_decodata:
|
|
|
735 movf decodata+0,W ; =0:no stop dive, if in deco mode: ceiling in m
|
|
|
736 call write_external_eeprom
|
|
|
737 movf decodata+1,W ; no stop time of length of first stop
|
|
|
738 call write_external_eeprom
|
|
|
739 GETCUSTOM8 d'22'
|
|
|
740 movwf divisor_deco ; Reload divisor from CF
|
|
|
741 return
|
|
|
742
|
|
|
743 store_dive_temperature:
|
|
|
744 movf temperature+0,W ; append temperature to current sample!
|
|
|
745 call write_external_eeprom
|
|
|
746 movf temperature+1,W
|
|
|
747 call write_external_eeprom
|
|
|
748 GETCUSTOM8 d'21'
|
|
|
749 movwf divisor_temperature ; Reload divisor from CF
|
|
|
750 return
|
|
|
751
|
|
|
752 calc_velocity: ; called every two seconds
|
|
|
753 btfss divemode
|
|
|
754 bra do_not_display_velocity ; display velocity only in divemode
|
|
|
755
|
|
|
756 calc_velocity2:
|
|
|
757 movff amb_pressure+0,sub_a+0
|
|
|
758 movff amb_pressure+1,sub_a+1
|
|
|
759 movff last_pressure+0,sub_b+0
|
|
|
760 movff last_pressure+1,sub_b+1
|
|
|
761 movff amb_pressure+0,last_pressure+0 ; store old value for velocity
|
|
|
762 movff amb_pressure+1,last_pressure+1
|
|
|
763
|
|
|
764 call sub16 ; sub_c = amb_pressure - last_pressure
|
|
|
765
|
|
|
766 movff sub_c+0,xA+0
|
|
|
767 movff sub_c+1,xA+1
|
|
|
768 movlw d'39' ;77 when called every second....
|
|
|
769 movwf xB+0
|
|
|
770 clrf xB+1
|
|
|
771 call mult16x16 ; differential pressure in mBar*77...
|
|
|
772 movff xC+0,divA+0
|
|
|
773 movff xC+1,divA+1
|
|
|
774 movlw d'7'
|
|
|
775 movwf divB
|
|
|
776 call div16 ; devided by 2^7 equals velocity in m/min
|
|
|
777
|
|
|
778 movlw d'99'
|
|
|
779 cpfsgt divA
|
|
|
780 bra calc_velocity3
|
|
|
781 movwf divA ; divA=99
|
|
|
782
|
|
|
783 calc_velocity3:
|
|
|
784
|
|
|
785 GETCUSTOM8 d'5' ; threshold for display vertical velocity
|
|
|
786 subwf divA+0,W ;
|
|
|
787
|
|
|
788 btfss STATUS,C
|
|
|
789 bra do_not_display_velocity
|
|
|
790
|
|
|
791 update_velocity:
|
|
|
792 bsf display_velocity
|
|
|
793 call PLED_display_velocity
|
|
|
794 return
|
|
|
795
|
|
|
796 do_not_display_velocity:
|
|
|
797 btfss display_velocity ; Velocity was not displayed, do not delete
|
|
|
798 return
|
|
|
799
|
|
|
800 bcf display_velocity ; Velocity was displayed, delete velocity now
|
|
|
801 call PLED_display_velocity_clear
|
|
|
802 return
|
|
|
803
|
|
|
804 check_ppO2: ; check current ppO2 and display warning if required
|
|
|
805 btfsc FLAG_const_ppO2_mode ; ignore in ppO2 mode....
|
|
|
806 return
|
|
|
807
|
|
3
|
808 check_ppO2_bail: ; In CC mode but bailout active!
|
|
0
|
809 movff amb_pressure+0,xA+0
|
|
|
810 movff amb_pressure+1,xA+1
|
|
|
811 movlw d'10'
|
|
|
812 movwf xB+0
|
|
|
813 clrf xB+1
|
|
|
814 call div16x16 ; xC=p_amb/10
|
|
|
815 movff xC+0,xA+0
|
|
|
816 movff xC+1,xA+1
|
|
|
817 movff char_I_O2_ratio,xB+0
|
|
|
818 clrf xB+1
|
|
|
819 call mult16x16 ; char_I_O2_ratio * p_amb/10
|
|
|
820
|
|
|
821 ; Check if ppO2 should be displayed
|
|
|
822 movff xC+0,sub_b+0
|
|
|
823 movff xC+1,sub_b+1
|
|
|
824 GETCUSTOM8 d'19' ; ppo2_display_high
|
|
|
825 mullw d'100' ; ppo2_display_high*100
|
|
|
826 movff PRODL,sub_a+0
|
|
|
827 movff PRODH,sub_a+1
|
|
|
828 call sub16
|
|
|
829 bcf ppO2_show_value ; clear flag
|
|
|
830 btfsc neg_flag
|
|
|
831 bsf ppO2_show_value ; set flag if required
|
|
|
832
|
|
|
833 ;check if we are within our warning thresholds!
|
|
|
834 bcf ppO2_warn_value ; clear flag
|
|
|
835 movff xC+0,sub_b+0
|
|
|
836 movff xC+1,sub_b+1
|
|
|
837 GETCUSTOM8 d'18' ; ppo2_warning_high
|
|
|
838 mullw d'100' ; ppo2_warning_high*100
|
|
|
839 movff PRODL,sub_a+0
|
|
|
840 movff PRODH,sub_a+1
|
|
|
841 call sub16
|
|
|
842 btfss neg_flag
|
|
|
843 bra check_ppO2_0 ; Not too high
|
|
|
844
|
|
|
845 bsf ppO2_warn_value ; set flag
|
|
|
846 movlw d'5' ; Type of Alarm
|
|
|
847 movwf AlarmType ; Copy to Alarm Register
|
|
|
848 bsf event_occured ; Set Event Flag
|
|
|
849
|
|
|
850 check_ppO2_0:
|
|
|
851 movff xC+0,sub_b+0
|
|
|
852 movff xC+1,sub_b+1
|
|
|
853 GETCUSTOM8 d'17' ; ppo2_warning_low
|
|
|
854 mullw d'100' ; ppo2_warning_low*100
|
|
|
855 movff PRODL,sub_a+0
|
|
|
856 movff PRODH,sub_a+1
|
|
|
857 call sub16
|
|
|
858 btfsc neg_flag
|
|
|
859 bra check_ppO2_1 ; Not too low
|
|
|
860
|
|
|
861 bsf ppO2_warn_value ; set flag
|
|
|
862 bsf ppO2_show_value ; show ppO2 if below threshold!
|
|
|
863 movlw d'4' ; Type of Alarm
|
|
|
864 movwf AlarmType ; Copy to Alarm Register
|
|
|
865 bsf event_occured ; Set Event Flag
|
|
|
866
|
|
|
867 check_ppO2_1:
|
|
|
868 btfsc ppO2_show_value ; show value?
|
|
|
869 bra check_ppO2_2 ; yes!
|
|
|
870
|
|
|
871 btfss ppO2_display_active ; is the value displayed?
|
|
|
872 bra check_ppO2_3 ; No, so clear not required
|
|
|
873
|
|
|
874 call PLED_show_ppO2_clear; Clear ppO2 value
|
|
|
875 bcf ppO2_display_active ; clear flag
|
|
|
876 bra check_ppO2_3 ; done
|
|
|
877
|
|
|
878 check_ppO2_2:
|
|
|
879 call PLED_show_ppO2 ; Display ppO2 (stored in xC)
|
|
|
880 bsf ppO2_display_active ; Set flag
|
|
|
881
|
|
|
882 check_ppO2_3:
|
|
|
883 return ; done
|
|
|
884
|
|
|
885
|
|
8
|
886 check_gas_change: ; Checks if a better gas should be selected (by user)
|
|
|
887 bcf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode
|
|
|
888
|
|
|
889 movff rel_pressure+0,xA+0
|
|
|
890 movff rel_pressure+1,xA+1
|
|
|
891 movlw d'100'
|
|
|
892 movwf xB+0
|
|
|
893 clrf xB+1
|
|
|
894 call div16x16 ; compute depth in full m -> result in xC+0
|
|
|
895
|
|
|
896 check_gas_change1: ; check gas1
|
|
|
897 read_int_eeprom d'27' ; read flag register
|
|
|
898 btfss EEDATA,0 ; check active flag
|
|
|
899 bra check_gas_change2 ; skip inactive gases!
|
|
|
900 movlw d'1'
|
|
|
901 cpfseq active_gas ; is this gas currently selected?
|
|
|
902 bra check_gas_change1x ; No...
|
|
|
903 bra check_gas_change2 ; Yes, skip depth check
|
|
|
904 check_gas_change1x:
|
|
|
905 read_int_eeprom d'28' ; read gas_change_depth
|
|
|
906 movlw d'3'
|
|
|
907 cpfsgt EEDATA ; Change depth>3m?
|
|
|
908 bra check_gas_change2 ; No, Change depth not deep enough, skip!
|
|
|
909 movf xC+0,W ; load depth in m into WREG
|
|
|
910 cpfsgt EEDATA ; gas_change_depth < current depth?
|
|
|
911 bra check_gas_change2 ; No, check next gas
|
|
|
912 movlw d'3'
|
|
|
913 subwf EEDATA,W ; Change depth-3m
|
|
|
914 cpfslt xC+0 ; current depth<Change depth-3m?
|
|
|
915 bsf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode
|
|
|
916
|
|
|
917 check_gas_change2: ; check gas2
|
|
|
918 read_int_eeprom d'27' ; read flag register
|
|
|
919 btfss EEDATA,1 ; check active flag
|
|
|
920 bra check_gas_change3 ; skip inactive gases!
|
|
|
921 movlw d'2'
|
|
|
922 cpfseq active_gas ; is this gas currently selected?
|
|
|
923 bra check_gas_change2x ; No...
|
|
|
924 bra check_gas_change3 ; Yes, skip depth check
|
|
|
925 check_gas_change2x:
|
|
|
926 read_int_eeprom d'29' ; read gas_change_depth
|
|
|
927 movlw d'3'
|
|
|
928 cpfsgt EEDATA ; Change depth>3m?
|
|
|
929 bra check_gas_change3 ; No, Change depth not deep enough, skip!
|
|
|
930 movf xC+0,W ; load depth in m into WREG
|
|
|
931 cpfsgt EEDATA ; gas_change_depth < current depth?
|
|
|
932 bra check_gas_change3 ; No, check next gas
|
|
|
933 movlw d'3'
|
|
|
934 subwf EEDATA,W ; Change depth-3m
|
|
|
935 cpfslt xC+0 ; current depth<Change depth-3m?
|
|
|
936 bsf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode
|
|
|
937
|
|
|
938 check_gas_change3: ; check gas3
|
|
|
939 read_int_eeprom d'27' ; read flag register
|
|
|
940 btfss EEDATA,2 ; check active flag
|
|
|
941 bra check_gas_change4 ; skip inactive gases!
|
|
|
942 movlw d'3'
|
|
|
943 cpfseq active_gas ; is this gas currently selected?
|
|
|
944 bra check_gas_change3x ; No...
|
|
|
945 bra check_gas_change4 ; Yes, skip depth check
|
|
|
946 check_gas_change3x:
|
|
|
947 read_int_eeprom d'30' ; read gas_change_depth
|
|
|
948 movlw d'3'
|
|
|
949 cpfsgt EEDATA ; Change depth>3m?
|
|
|
950 bra check_gas_change4 ; No, Change depth not deep enough, skip!
|
|
|
951 movf xC+0,W ; load depth in m into WREG
|
|
|
952 cpfsgt EEDATA ; gas_change_depth < current depth?
|
|
|
953 bra check_gas_change4 ; No, check next gas
|
|
|
954 movlw d'3'
|
|
|
955 subwf EEDATA,W ; Change depth-3m
|
|
|
956 cpfslt xC+0 ; current depth<Change depth-3m?
|
|
|
957 bsf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode
|
|
|
958
|
|
|
959 check_gas_change4: ; check gas4
|
|
|
960 read_int_eeprom d'27' ; read flag register
|
|
|
961 btfss EEDATA,3 ; check active flag
|
|
|
962 bra check_gas_change5 ; skip inactive gases!
|
|
|
963 movlw d'4'
|
|
|
964 cpfseq active_gas ; is this gas currently selected?
|
|
|
965 bra check_gas_change4x ; No...
|
|
|
966 bra check_gas_change5 ; Yes, skip depth check
|
|
|
967 check_gas_change4x:
|
|
|
968 read_int_eeprom d'31' ; read gas_change_depth
|
|
|
969 cpfsgt EEDATA ; Change depth>3m?
|
|
|
970 bra check_gas_change5 ; No, Change depth not deep enough, skip!
|
|
|
971 movf xC+0,W ; load depth in m into WREG
|
|
|
972 cpfsgt EEDATA ; gas_change_depth < current depth?
|
|
|
973 bra check_gas_change5 ; No, check next gas
|
|
|
974 movlw d'3'
|
|
|
975 subwf EEDATA,W ; Change depth-3m
|
|
|
976 cpfslt xC+0 ; current depth<Change depth-3m?
|
|
|
977 bsf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode
|
|
|
978
|
|
|
979 check_gas_change5: ; check gas5
|
|
|
980 read_int_eeprom d'27' ; read flag register
|
|
|
981 btfss EEDATA,4 ; check active flag
|
|
|
982 bra check_gas_change6 ; skip inactive gases!
|
|
|
983 movlw d'5'
|
|
|
984 cpfseq active_gas ; is this gas currently selected?
|
|
|
985 bra check_gas_change5x ; No...
|
|
|
986 bra check_gas_change6 ; Yes, skip depth check
|
|
|
987 check_gas_change5x:
|
|
|
988 read_int_eeprom d'32' ; read gas_change_depth
|
|
|
989 cpfsgt EEDATA ; Change depth>3m?
|
|
|
990 bra check_gas_change6 ; No, Change depth not deep enough, skip!
|
|
|
991 movf xC+0,W ; load depth in m into WREG
|
|
|
992 cpfsgt EEDATA ; gas_change_depth < current depth?
|
|
|
993 bra check_gas_change6 ; No, check next gas
|
|
|
994 movlw d'3'
|
|
|
995 subwf EEDATA,W ; Change depth-3m
|
|
|
996 cpfslt xC+0 ; current depth<Change depth-3m?
|
|
|
997 bsf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode
|
|
|
998
|
|
|
999 check_gas_change6: ;Done
|
|
|
1000 call PLED_active_gas_divemode ; Display gas, if required (and with "*" if irequired...)
|
|
|
1001 return
|
|
|
1002
|
|
0
|
1003 calculate_noflytime:
|
|
|
1004 ; calculate nofly time
|
|
|
1005 movff int_O_desaturation_time+0,xA+0
|
|
|
1006 movff int_O_desaturation_time+1,xA+1
|
|
|
1007 tstfsz xA+0 ; Desat=0?
|
|
|
1008 bra calculate_noflytime2
|
|
|
1009 tstfsz xA+1 ; Desat=0?
|
|
|
1010 bra calculate_noflytime2
|
|
|
1011 ; Desaturation time = zero
|
|
|
1012 movlw d'1'
|
|
|
1013 movwf nofly_time+0 ; Clear nofly time
|
|
|
1014 clrf nofly_time+1 ; Clear nofly time
|
|
|
1015 bcf nofly_active ; Clear flag
|
|
|
1016 return
|
|
|
1017
|
|
|
1018 calculate_noflytime2:
|
|
|
1019 movff xA+0,int_I_temp+0
|
|
|
1020 movff xA+1,int_I_temp+1
|
|
|
1021 GETCUSTOM8 .13 ; nofly_time_ratio
|
|
|
1022 movwf xB+0
|
|
|
1023 movff xB,char_I_temp
|
|
|
1024 ostc_debug 'K' ; Sends debug-information to screen if debugmode active
|
|
|
1025 call main_calc_percentage
|
|
|
1026 movlb b'00000001' ; select ram bank 1
|
|
|
1027 ostc_debug 'L' ; Sends debug-information to screen if debugmode active
|
|
|
1028 movff int_I_temp+0,xA+0
|
|
|
1029 movff int_I_temp+1,xA+1
|
|
|
1030 tstfsz xA+0 ; Desat=0?
|
|
|
1031 bra calculate_noflytime_2_final
|
|
|
1032 tstfsz xA+1 ; Desat=0?
|
|
|
1033 bra calculate_noflytime_2_final
|
|
|
1034 ; noflytime = zero
|
|
|
1035 movlw d'1'
|
|
|
1036 movwf nofly_time+0 ; Clear nofly time
|
|
|
1037 clrf nofly_time+1 ; Clear nofly time
|
|
|
1038 bcf nofly_active ; Clear flag
|
|
|
1039 return
|
|
|
1040 calculate_noflytime_2_final:
|
|
|
1041 movff xA+0,nofly_time+0
|
|
|
1042 movff xA+1,nofly_time+1
|
|
|
1043 bsf nofly_active ; Set flag
|
|
|
1044 return
|
|
|
1045
|
|
|
1046 end_dive:
|
|
|
1047 btfss realdive ; dive longer then one minute
|
|
|
1048 goto end_dive_common ; No, discard everything
|
|
|
1049
|
|
|
1050 ; Dive finished (and longer then one minute or Apnoe timeout occured)
|
|
|
1051
|
|
|
1052 btfsc FLAG_apnoe_mode ; Calc max. depth (again) for very short apnoe dives
|
|
|
1053 rcall apnoe_calc_maxdepth
|
|
|
1054
|
|
|
1055 ; calculate desaturation time
|
|
|
1056 movff last_surfpressure_30min+0,int_I_pres_respiration+0 ; copy surface air pressure to deco routine
|
|
|
1057 movff last_surfpressure_30min+1,int_I_pres_respiration+1 ; 30min old values
|
|
|
1058
|
|
|
1059 GETCUSTOM8 d'12' ; Desaturation multiplier %
|
|
|
1060 movwf wait_temp
|
|
|
1061 movff wait_temp,char_I_desaturation_multiplier
|
|
|
1062
|
|
|
1063 ostc_debug 'G' ; Sends debug-information to screen if debugmode active
|
|
|
1064 call deco_main_calc_desaturation_time ; calculate desaturation time
|
|
|
1065 movlb b'00000001' ; select ram bank 1
|
|
|
1066 rcall calculate_noflytime ; Calc NoFly time
|
|
|
1067 ostc_debug 'H' ; Sends debug-information to screen if debugmode active
|
|
|
1068 ; store header and ...
|
|
|
1069 movlw 0xFD ; .... End-of-Profile Bytes
|
|
|
1070 call write_external_eeprom
|
|
|
1071 movlw 0xFD
|
|
|
1072 call write_external_eeprom
|
|
|
1073 movlw 0xFE ; This positon will be overwritten for the next profile
|
|
|
1074 call write_external_eeprom ; and is required to find the newest dive after a firmware reset
|
|
|
1075
|
|
|
1076 movff eeprom_header_address+0, eeprom_address+0 ; set header adress
|
|
|
1077 movff eeprom_header_address+1, eeprom_address+1 ; write header
|
|
|
1078
|
|
|
1079 movlw 0xFA ; Header start
|
|
|
1080 call write_external_eeprom
|
|
|
1081 movlw 0xFA
|
|
|
1082 call write_external_eeprom
|
|
|
1083 movlw logbook_profile_version ; Defined in definitions_vxyy.asm
|
|
|
1084 call write_external_eeprom
|
|
|
1085 movf month,W ; Date
|
|
|
1086 call write_external_eeprom
|
|
|
1087 movf day,W
|
|
|
1088 call write_external_eeprom
|
|
|
1089 movf year,W
|
|
|
1090 call write_external_eeprom
|
|
|
1091 movf hours,W ; End of dive time
|
|
|
1092 call write_external_eeprom
|
|
|
1093 movf mins,W
|
|
|
1094 call write_external_eeprom
|
|
|
1095
|
|
|
1096 btfss FLAG_apnoe_mode ; Store apnoe max or normal max (Which is only max from the last descent)
|
|
|
1097 bra end_dive1 ; Store normal depth
|
|
|
1098
|
|
|
1099 movff apnoe_max_pressure+0,lo
|
|
|
1100 movff apnoe_max_pressure+1,hi
|
|
|
1101 call adjust_depth_with_salinity ; computes salinity setting into lo:hi [mBar]
|
|
|
1102 movff lo,apnoe_max_pressure+0
|
|
|
1103 movff hi,apnoe_max_pressure+1
|
|
|
1104
|
|
|
1105 movf apnoe_max_pressure+0,W ; Max. depth
|
|
|
1106 call write_external_eeprom
|
|
|
1107 movf apnoe_max_pressure+1,W
|
|
|
1108 call write_external_eeprom
|
|
|
1109 bra end_dive2 ; skip
|
|
|
1110
|
|
|
1111 end_dive1:
|
|
|
1112 movff max_pressure+0,lo
|
|
|
1113 movff max_pressure+1,hi
|
|
|
1114 call adjust_depth_with_salinity ; computes salinity setting into lo:hi [mBar]
|
|
|
1115 movff lo,max_pressure+0
|
|
|
1116 movff hi,max_pressure+1
|
|
|
1117
|
|
|
1118 movf max_pressure+0,W ; Max. depth
|
|
|
1119 call write_external_eeprom
|
|
|
1120 movf max_pressure+1,W
|
|
|
1121 call write_external_eeprom
|
|
|
1122
|
|
|
1123 end_dive2:
|
|
|
1124 movf divemins+0,W ; divetime minutes
|
|
|
1125 call write_external_eeprom
|
|
|
1126 movf divemins+1,W
|
|
|
1127 call write_external_eeprom
|
|
|
1128 movf divesecs,W ; divetime seconds
|
|
|
1129 call write_external_eeprom
|
|
|
1130 movf mintemp+0,W ; minimum temperature
|
|
|
1131 call write_external_eeprom
|
|
|
1132 movf mintemp+1,W
|
|
|
1133 call write_external_eeprom
|
|
|
1134 movf last_surfpressure_30min+0,W ; airpressure before dive
|
|
|
1135 call write_external_eeprom
|
|
|
1136 movf last_surfpressure_30min+1,W
|
|
|
1137 call write_external_eeprom
|
|
|
1138 movff int_O_desaturation_time+0,lo ;
|
|
|
1139 movff int_O_desaturation_time+1,hi
|
|
|
1140 movf lo,W ; desaturation time in minutes
|
|
|
1141 call write_external_eeprom
|
|
|
1142 movf hi,W ;
|
|
|
1143 call write_external_eeprom
|
|
|
1144
|
|
|
1145 ; Gases....
|
|
|
1146 read_int_eeprom d'6' ; Read byte (stored in EEDATA)
|
|
|
1147 movf EEDATA,W
|
|
|
1148 call write_external_eeprom
|
|
|
1149 read_int_eeprom d'7' ; Read byte (stored in EEDATA)
|
|
|
1150 movf EEDATA,W
|
|
|
1151 call write_external_eeprom
|
|
|
1152
|
|
|
1153 read_int_eeprom d'10' ; Read byte (stored in EEDATA)
|
|
|
1154 movf EEDATA,W
|
|
|
1155 call write_external_eeprom
|
|
|
1156 read_int_eeprom d'11' ; Read byte (stored in EEDATA)
|
|
|
1157 movf EEDATA,W
|
|
|
1158 call write_external_eeprom
|
|
|
1159
|
|
|
1160 read_int_eeprom d'14' ; Read byte (stored in EEDATA)
|
|
|
1161 movf EEDATA,W
|
|
|
1162 call write_external_eeprom
|
|
|
1163 read_int_eeprom d'15' ; Read byte (stored in EEDATA)
|
|
|
1164 movf EEDATA,W
|
|
|
1165 call write_external_eeprom
|
|
|
1166
|
|
|
1167 read_int_eeprom d'18' ; Read byte (stored in EEDATA)
|
|
|
1168 movf EEDATA,W
|
|
|
1169 call write_external_eeprom
|
|
|
1170 read_int_eeprom d'19' ; Read byte (stored in EEDATA)
|
|
|
1171 movf EEDATA,W
|
|
|
1172 call write_external_eeprom
|
|
|
1173
|
|
|
1174 read_int_eeprom d'22' ; Read byte (stored in EEDATA)
|
|
|
1175 movf EEDATA,W
|
|
|
1176 call write_external_eeprom
|
|
|
1177 read_int_eeprom d'23' ; Read byte (stored in EEDATA)
|
|
|
1178 movf EEDATA,W
|
|
|
1179 call write_external_eeprom
|
|
|
1180
|
|
|
1181 read_int_eeprom d'24' ; % O2 Gas6
|
|
|
1182 movf EEDATA,W
|
|
|
1183 call write_external_eeprom
|
|
|
1184 read_int_eeprom d'25' ; % He Gas6
|
|
|
1185 movf EEDATA,W
|
|
|
1186 call write_external_eeprom
|
|
|
1187 read_int_eeprom d'33' ; start gas
|
|
|
1188 movf EEDATA,W
|
|
|
1189 call write_external_eeprom
|
|
|
1190
|
|
|
1191 movlw softwareversion_x ; Firmware version
|
|
|
1192 call write_external_eeprom
|
|
|
1193 movlw softwareversion_y
|
|
|
1194 call write_external_eeprom
|
|
|
1195 movf batt_voltage+0,W ; Battery voltage
|
|
|
1196 call write_external_eeprom
|
|
|
1197 movf batt_voltage+1,W
|
|
|
1198 call write_external_eeprom
|
|
|
1199
|
|
|
1200 GETCUSTOM8 d'20' ; sampling rate in WREG
|
|
|
1201 btfsc FLAG_apnoe_mode ; Apnoe mode?
|
|
|
1202 movlw d'1' ; Apnoe sampling rate
|
|
|
1203 call write_external_eeprom
|
|
|
1204
|
|
|
1205 movlw d'2' ; information size temperature
|
|
|
1206 movwf temp1 ; copy to bits 0-3
|
|
|
1207 swapf temp1,F ; swap nibbels 0-3 with 4-7
|
|
|
1208 GETCUSTOM8 d'21' ; Divisor temperature
|
|
|
1209 addwf temp1,W ; copy to bits 0-3, result in WREG
|
|
|
1210 call write_external_eeprom
|
|
|
1211
|
|
|
1212 movlw d'2' ; information size deco
|
|
|
1213 movwf temp1 ; copy to bits 0-3
|
|
|
1214 swapf temp1,F ; swap nibbels 0-3 with 4-7
|
|
|
1215 GETCUSTOM8 d'22' ; Divisor deco
|
|
|
1216 addwf temp1,W ; copy to bits 0-3, result in WREG
|
|
|
1217 call write_external_eeprom
|
|
|
1218
|
|
|
1219 movlw d'2' ; information size tank
|
|
|
1220 movwf temp1 ; copy to bits 0-3
|
|
|
1221 swapf temp1,F ; swap nibbels 0-3 with 4-7
|
|
|
1222 GETCUSTOM8 d'23' ; Divisor Tank
|
|
|
1223 addwf temp1,W ; copy to bits 0-3, result in WREG
|
|
|
1224 call write_external_eeprom
|
|
|
1225
|
|
|
1226 movlw d'3' ; information size pp02
|
|
|
1227 movwf temp1 ; copy to bits 0-3
|
|
|
1228 swapf temp1,F ; swap nibbels 0-3 with 4-7
|
|
|
1229 GETCUSTOM8 d'24' ; Divisor pp02
|
|
|
1230 addwf temp1,W ; copy to bits 0-3, result in WREG
|
|
|
1231 call write_external_eeprom
|
|
|
1232
|
|
|
1233 movlw d'9' ; information size Decodebug
|
|
|
1234 movwf temp1 ; copy to bits 0-3
|
|
|
1235 swapf temp1,F ; swap nibbels 0-3 with 4-7
|
|
|
1236 GETCUSTOM8 d'25' ; Divisor Decodebug
|
|
|
1237 addwf temp1,W ; copy to bits 0-3, result in WREG
|
|
|
1238 call write_external_eeprom
|
|
|
1239
|
|
|
1240 movlw d'0' ; information size nuy2
|
|
|
1241 movwf temp1 ; copy to bits 0-3
|
|
|
1242 swapf temp1,F ; swap nibbels 0-3 with 4-7
|
|
|
1243 GETCUSTOM8 d'26' ; Divisor nuy2
|
|
|
1244 addwf temp1,W ; copy to bits 0-3, result in WREG
|
|
|
1245 call write_external_eeprom
|
|
|
1246
|
|
|
1247 read_int_eeprom d'26' ; Read Salinity from EEPROM
|
|
|
1248 movf EEDATA,W
|
|
|
1249 call write_external_eeprom ; Store Salinity to Dive
|
|
|
1250
|
|
|
1251 movlw d'0' ; Spare
|
|
|
1252 call write_external_eeprom
|
|
|
1253
|
|
|
1254 movlw 0xFB ; Header stop
|
|
|
1255 call write_external_eeprom
|
|
|
1256 movlw 0xFB
|
|
|
1257 call write_external_eeprom
|
|
|
1258
|
|
|
1259 ; Increase total dive counter
|
|
|
1260 read_int_eeprom d'2' ; Read byte (stored in EEDATA)
|
|
|
1261 movff EEDATA,temp1 ; Low byte
|
|
|
1262 read_int_eeprom d'3' ; Read byte (stored in EEDATA)
|
|
|
1263 movff EEDATA,temp2 ; high byte
|
|
|
1264 bcf STATUS,C
|
|
|
1265 movlw d'1'
|
|
|
1266 addwf temp1
|
|
|
1267 movlw d'0'
|
|
|
1268 addwfc temp2
|
|
|
1269 movff temp1,EEDATA
|
|
|
1270 write_int_eeprom d'2' ; write byte stored in EEDATA
|
|
|
1271 movff temp2,EEDATA
|
|
|
1272 write_int_eeprom d'3' ; write byte stored in EEDATA
|
|
|
1273
|
|
|
1274 GETCUSTOM15 .28 ; Logbook Offset -> lo, hi
|
|
|
1275 tstfsz lo ; lo=0?
|
|
|
1276 bra change_logbook_offset1 ; No, adjust offset
|
|
|
1277 tstfsz hi ; hi=0?
|
|
|
1278 bra change_logbook_offset1 ; No, adjust offset
|
|
|
1279 bra change_logbook_offset2 ; lo=0 and hi=0 -> skip Offset routine
|
|
|
1280 change_logbook_offset1:
|
|
|
1281 movlw d'1'
|
|
|
1282 addwf lo
|
|
|
1283 movlw d'0'
|
|
|
1284 addwfc hi
|
|
|
1285 movlw d'112' ; CF28 *4 Bytes...
|
|
|
1286 addlw 0x82
|
|
|
1287 movwf EEADR
|
|
|
1288 movff lo,EEDATA
|
|
|
1289 call write_eeprom ; Lowbyte
|
|
|
1290 movlw d'112' ; CF28 *4 Bytes...
|
|
|
1291 addlw 0x83
|
|
|
1292 movwf EEADR
|
|
|
1293 movff hi,EEDATA
|
|
|
1294 call write_eeprom ; Highbyte
|
|
|
1295
|
|
|
1296 change_logbook_offset2:
|
|
|
1297 bcf simulatormode_active ; if we were in simulator mode
|
|
|
1298 call clear_LEDusb
|
|
|
1299
|
|
|
1300 end_dive_common:
|
|
|
1301 btfsc restore_deco_data ; Restore decodata?
|
|
|
1302 call simulator_restore_tissue_data ; Yes!
|
|
|
1303
|
|
|
1304 call deco_main_gradient_array
|
|
|
1305 movlb b'00000001' ; select ram bank 1
|
|
|
1306
|
|
|
1307 clrf surface_interval+0
|
|
|
1308 clrf surface_interval+1 ; Clear surface interval timer
|
|
|
1309
|
|
|
1310 goto surfloop ; and return to surfaceloop
|
|
|
1311
|
|
|
1312 timeout_divemode:
|
|
|
1313 btfss realdive ; Dive longer then one minute
|
|
|
1314 return
|
|
|
1315
|
|
|
1316 btfsc FLAG_apnoe_mode ; In Apnoe mode?
|
|
|
1317 bra timeout_divemode2 ; Yes, use CF30 [min] for timeout
|
|
|
1318
|
|
|
1319 btfsc simulatormode_active ; In Simulator mode?
|
|
|
1320 bra timeout_divemode3 ; Yes, use fixed 5 seconds timeout
|
|
|
1321
|
|
|
1322 bcf divemode
|
|
|
1323 incf timeout_counter,F
|
|
|
1324 GETCUSTOM8 d'2' ; diveloop_timeout
|
|
|
1325 addlw d'2' ; adds two seconds in case timout=zero!
|
|
|
1326 btfsc STATUS,C ; > 255?
|
|
|
1327 movlw d'255' ; Set to 255...
|
|
|
1328 decf WREG,F ; Limit to 254
|
|
|
1329 cpfsgt timeout_counter
|
|
|
1330 bsf divemode
|
|
|
1331 return
|
|
|
1332
|
|
|
1333 timeout_divemode2:
|
|
|
1334 incf timeout_counter,F ; seconds...
|
|
|
1335 movlw d'60'
|
|
|
1336 cpfseq timeout_counter ; timeout_counter=60?
|
|
|
1337 return ; No.
|
|
|
1338
|
|
|
1339 clrf timeout_counter
|
|
|
1340 bcf divemode
|
|
|
1341 incf apnoe_timeout_counter,F
|
|
|
1342 GETCUSTOM8 d'30' ; apnoe timeout [min]
|
|
|
1343 cpfseq apnoe_timeout_counter
|
|
|
1344 bsf divemode
|
|
|
1345 return
|
|
|
1346
|
|
|
1347 timeout_divemode3:
|
|
|
1348 bcf divemode
|
|
|
1349 incf timeout_counter,F
|
|
|
1350 movlw d'5' ; Fixed timeout of 5 seconds
|
|
|
1351 cpfsgt timeout_counter
|
|
|
1352 bsf divemode
|
|
|
1353 return
|
|
|
1354
|
|
|
1355 update_divemode1: ; update any second
|
|
|
1356 call set_dive_modes ; tests if depth>threshold
|
|
|
1357
|
|
|
1358 btfsc divemode
|
|
|
1359 call set_max_depth ; update max. depth if required
|
|
|
1360
|
|
|
1361 btfsc divemode
|
|
|
1362 call set_min_temp ; store min. temp if required
|
|
|
1363
|
|
|
1364 bcf temp_changed ; Display temperature?
|
|
|
1365 movf temperature+0,W
|
|
|
1366 cpfseq last_temperature+0
|
|
|
1367 bsf temp_changed ; Yes
|
|
|
1368 movf temperature+1,W
|
|
|
1369 cpfseq last_temperature+1
|
|
|
1370 bsf temp_changed ; Yes
|
|
|
1371 btfsc temp_changed
|
|
|
1372 call PLED_temp_divemode ; Displays temperature
|
|
|
1373
|
|
|
1374 bcf pres_changed ; Display new depth?
|
|
|
1375 movf amb_pressure+0,W
|
|
|
1376 cpfseq last_pressure+0
|
|
|
1377 bsf pres_changed ; Yes
|
|
|
1378 movf amb_pressure+1,W
|
|
|
1379 cpfseq last_pressure+1
|
|
|
1380 bsf pres_changed ; Yes
|
|
|
1381
|
|
|
1382 btfsc simulatormode_active ; always update depth when in simulator mode
|
|
|
1383 bsf pres_changed
|
|
|
1384
|
|
|
1385 btfsc pres_changed
|
|
|
1386 call PLED_depth ; Displays new depth
|
|
|
1387 return
|
|
|
1388
|
|
|
1389 update_divemode60: ; update any minute
|
|
|
1390 call get_battery_voltage ; gets battery voltage
|
|
|
1391 call set_powersafe ; red LED blinking if battery is low
|
|
|
1392 call PLED_max_pressure ; No, use normal max. depth
|
|
|
1393 call check_temp_extrema ; check for new temperature extremas
|
|
|
1394 bcf oneminupdate
|
|
|
1395 return
|
|
|
1396
|
|
|
1397 set_max_depth:
|
|
|
1398 movff max_pressure+0,sub_a+0
|
|
|
1399 movff max_pressure+1,sub_a+1
|
|
|
1400 movff rel_pressure+0,sub_b+0
|
|
|
1401 movff rel_pressure+1,sub_b+1
|
|
|
1402 call sub16 ; sub_c = sub_a - sub_b
|
|
|
1403 ; max_pressure<rel_pressure -> neg_flag=1
|
|
|
1404 ; rel_pressure<=max_pressure -> neg_flag=0
|
|
|
1405 btfss neg_flag
|
|
|
1406 return
|
|
|
1407 ;max_pressure<rel_pressure
|
|
|
1408 movff rel_pressure+0,max_pressure+0
|
|
|
1409 movff rel_pressure+1,max_pressure+1
|
|
|
1410 call PLED_max_pressure ; No, use normal max. depth
|
|
|
1411 return
|
|
|
1412
|
|
|
1413 set_min_temp:
|
|
|
1414 movff mintemp+0,sub_a+0
|
|
|
1415 movff mintemp+1,sub_a+1
|
|
|
1416 movff temperature+0,sub_b+0
|
|
|
1417 movff temperature+1,sub_b+1
|
|
|
1418 call sub16 ; sub_c = sub_a - sub_b
|
|
|
1419 ; mintemp<T -> neg_flag=1
|
|
|
1420 ; T<=mintemp -> neg_flag=0
|
|
|
1421 btfsc neg_flag
|
|
|
1422 return
|
|
|
1423 ;mintemp>=T
|
|
|
1424 movff temperature+0,mintemp+0
|
|
|
1425 movff temperature+1,mintemp+1
|
|
|
1426 return
|
|
|
1427
|
|
|
1428 set_dive_modes:
|
|
|
1429 bcf divemode2 ; Stop time
|
|
|
1430
|
|
|
1431 GETCUSTOM8 .0 ; loads dive_threshold in WREG
|
|
|
1432 movwf sub_a+0 ; dive_treshold is in cm
|
|
|
1433 clrf sub_a+1
|
|
|
1434
|
|
|
1435 movff rel_pressure+0,sub_b+0
|
|
|
1436 movff rel_pressure+1,sub_b+1
|
|
|
1437
|
|
|
1438 call sub16 ; sub_c = sub_a - sub_b
|
|
|
1439
|
|
|
1440 btfss neg_flag
|
|
|
1441 bra set_dive_modes2 ; too shallow (rel_pressure<dive_threshold)
|
|
|
1442
|
|
|
1443 btfsc realdive ; Dive longer than one minute?
|
|
|
1444 clrf timeout_counter
|
|
|
1445
|
|
|
1446 bsf divemode
|
|
|
1447 bsf divemode2 ; displayed divetime is running
|
|
|
1448 return
|
|
|
1449
|
|
|
1450 set_dive_modes2:
|
|
|
1451 btfss realdive ; dive longer then one minute?
|
|
|
1452 bcf divemode ; no -> this was no real dive
|
|
|
1453 return
|
|
|
1454
|
|
|
1455 set_powersafe:
|
|
|
1456 btfsc low_battery_state ; battery warning alread active?
|
|
|
1457 bra set_powersafe2 ; Yes, but is it still required?
|
|
|
1458 ; battery voltage in mV (value*256+Lowbyte=actual treshold)
|
|
|
1459 movlw d'12' ; 3,328V
|
|
|
1460 cpfsgt batt_voltage+1
|
|
|
1461 bra set_powersafe1
|
|
|
1462 return
|
|
|
1463
|
|
|
1464 set_powersafe1:
|
|
|
1465 movlw d'7' ; Type of Alarm (Battery Low)
|
|
|
1466 movwf AlarmType ; Copy to Alarm Register
|
|
|
1467 bsf event_occured ; Set Event Flag
|
|
|
1468 bsf low_battery_state ; set flag for battery warning
|
|
|
1469 return ; return
|
|
|
1470
|
|
|
1471 set_powersafe2:
|
|
|
1472 movlw d'13' ; 3,584V
|
|
|
1473 cpfsgt batt_voltage+1
|
|
|
1474 bra set_powersafe1 ; Still to low
|
|
|
1475 bcf low_battery_state ; clear flag for battery warning mode
|
|
|
1476 return
|
|
|
1477
|
|
|
1478 calc_average_depth:
|
|
|
1479 ; 1. Add new 2xdepth to the Sum of depths registers
|
|
|
1480 movff rel_pressure+0,b0_lo
|
|
|
1481 movff rel_pressure+1,b0_hi
|
|
|
1482
|
|
|
1483 movf b0_lo,w
|
|
|
1484 addwf average_depth_hold+0,F
|
|
|
1485 movf b0_hi,w
|
|
|
1486 addwfc average_depth_hold+1,F
|
|
|
1487 movlw d'0'
|
|
|
1488 addwfc average_depth_hold+2,F
|
|
|
1489 addwfc average_depth_hold+3,F ; Will work up to 9999mBar*60*60*24=863913600mBar
|
|
|
1490
|
|
|
1491 movf b0_lo,w
|
|
|
1492 addwf average_depth_hold+0,F
|
|
|
1493 movf b0_hi,w
|
|
|
1494 addwfc average_depth_hold+1,F
|
|
|
1495 movlw d'0'
|
|
|
1496 addwfc average_depth_hold+2,F
|
|
|
1497 addwfc average_depth_hold+3,F ; Will work up to 9999mBar*60*60*24=863913600mBar
|
|
|
1498
|
|
|
1499 ; 2. Compute Average Depth on base of average_divesecs:2
|
|
|
1500
|
|
|
1501 movff average_divesecs+0,xB+0
|
|
|
1502 movff average_divesecs+1,xB+1 ; Copy
|
|
|
1503 movff average_depth_hold+0,xC+0
|
|
|
1504 movff average_depth_hold+1,xC+1
|
|
|
1505 movff average_depth_hold+2,xC+2
|
|
|
1506 movff average_depth_hold+3,xC+3
|
|
|
1507
|
|
|
1508 call div32x16 ; xC:4 / xB:2 = xC+3:xC+2 with xC+1:xC+0 as remainder
|
|
|
1509 movff xC+0,avr_rel_pressure+0
|
|
|
1510 movff xC+1,avr_rel_pressure+1
|
|
|
1511 return
|
|
|
1512
|
|
|
1513
|
|
|
1514 diveloop_boot:
|
|
|
1515 ostc_debug 'Q' ; Sends debug-information to screen if debugmode active
|
|
|
1516 clrf max_pressure+0 ; clear some variables
|
|
|
1517 clrf max_pressure+1
|
|
|
1518
|
|
|
1519 clrf avr_rel_pressure+0
|
|
|
1520 clrf avr_rel_pressure+1
|
|
|
1521
|
|
|
1522 call PLED_brightness_low
|
|
|
1523 read_int_eeprom d'90' ; Brightness offset? (Dim>0, Normal = 0)
|
|
|
1524 movlw d'0'
|
|
|
1525 cpfsgt EEDATA
|
|
|
1526 call PLED_brightness_full
|
|
|
1527
|
|
|
1528 clrf average_depth_hold+0
|
|
|
1529 clrf average_depth_hold+1
|
|
|
1530 clrf average_depth_hold+2
|
|
|
1531 clrf average_depth_hold+3 ; Clear average depth register
|
|
|
1532 movlw d'1'
|
|
|
1533 movwf average_divesecs+0
|
|
|
1534 clrf average_divesecs+1
|
|
|
1535
|
|
|
1536 movlw d'1'
|
|
|
1537 movwf apnoe_max_pressure+0
|
|
|
1538 clrf apnoe_max_pressure+1
|
|
|
1539 clrf apnoe_surface_mins
|
|
|
1540 clrf apnoe_surface_secs
|
|
|
1541 clrf apnoe_mins
|
|
|
1542 clrf apnoe_secs
|
|
|
1543 clrf divemins+0
|
|
|
1544 clrf divemins+1
|
|
|
1545 clrf divesecs
|
|
|
1546 clrf samplesecs
|
|
|
1547 clrf apnoe_timeout_counter ; timeout in minutes
|
|
|
1548 clrf timeout_counter ; takes care of the timeout
|
|
|
1549 clrf timeout_counter2 ; Here: counts to six, then store deco data and temperature
|
|
|
1550 clrf AlarmType ; Clear all alarms
|
|
|
1551 bcf event_occured ; clear flag
|
|
|
1552 bcf depth_greater_100m ; clear flag
|
|
|
1553 setf last_diluent ; to be displayed after first calculation (range: 0 to 100 [%])
|
|
|
1554 clrf char_last_pointer
|
|
3
|
1555 bcf dekostop_active
|
|
|
1556 bcf is_bailout ;=1: CC mode, but bailout active!
|
|
8
|
1557 bcf better_gas_available ;=1: A better gas is available and a gas change is advised in divemode
|
|
|
1558
|
|
0
|
1559 call get_free_EEPROM_location ; get last position in external EEPROM, may be up to 2 secs!
|
|
|
1560
|
|
|
1561 movff last_surfpressure_30min+1,int_I_pres_surface+1 ; HIGH copy surfacepressure to deco routine
|
|
|
1562 movff last_surfpressure_30min+0,int_I_pres_surface+0 ; LOW copy surfacepressure to deco routine
|
|
|
1563 movff temperature+0,mintemp+0 ; Reset Min-Temp registers
|
|
|
1564 movff temperature+1,mintemp+1 ; Reset Min-Temp registers
|
|
|
1565
|
|
|
1566 clrf wait_temp ; Used to clear Bankx registers
|
|
|
1567 movff wait_temp,char_O_GF_low_pointer
|
|
|
1568 movff wait_temp,char_O_actual_pointer
|
|
|
1569 lfsr FSR0,0x250
|
|
|
1570 movlw 0x20
|
|
|
1571 movwf wait_temp
|
|
|
1572 clear_deco_lists: ; Clear Deco list
|
|
|
1573 clrf POSTINC0
|
|
|
1574 decfsz wait_temp,F
|
|
|
1575 bra clear_deco_lists
|
|
|
1576 lfsr FSR0,0x270
|
|
|
1577 movlw 0x20
|
|
|
1578 movwf wait_temp
|
|
|
1579 set_no_forced_stops: ; Init Deco list
|
|
|
1580 movlw 0x01
|
|
|
1581 movwf POSTINC0
|
|
|
1582 decfsz wait_temp,F
|
|
|
1583 bra set_no_forced_stops
|
|
|
1584 lfsr FSR0,0x290 ; clear int_O_calc_tissue_call_counter (DEBUG)
|
|
|
1585 clrf POSTINC0
|
|
|
1586 clrf POSTINC0
|
|
|
1587
|
|
|
1588 ; Load GF values into RAM
|
|
|
1589 GETCUSTOM8 d'32' ; GF low
|
|
|
1590 movff EEDATA,char_I_GF_Lo_percentage
|
|
|
1591 GETCUSTOM8 d'33' ; GF high
|
|
|
1592 movff EEDATA,char_I_GF_Hi_percentage
|
|
|
1593
|
|
|
1594 ; Start with active Stopwatch?
|
|
|
1595 bsf stopwatch_active
|
|
|
1596 GETCUSTOM8 d'41' ; =1: Start with active Stopwatch
|
|
|
1597 movwf lo
|
|
|
1598 movlw d'1'
|
|
|
1599 cpfseq lo ; CF41=1?
|
|
|
1600 bcf stopwatch_active ; No!
|
|
|
1601
|
|
|
1602 ; Init profile recording parameters
|
|
|
1603 GETCUSTOM8 d'20' ; sample rate
|
|
|
1604 movwf samplesecs_value ; to avoid EEPROM access in the ISR
|
|
|
1605 GETCUSTOM8 d'21'
|
|
|
1606 movwf divisor_temperature ; load divisors for profile storage
|
|
|
1607 GETCUSTOM8 d'22'
|
|
|
1608 movwf divisor_deco
|
|
|
1609 GETCUSTOM8 d'23'
|
|
|
1610 movwf divisor_tank
|
|
|
1611 GETCUSTOM8 d'24'
|
|
|
1612 movwf divisor_ppo2
|
|
|
1613 GETCUSTOM8 d'25'
|
|
|
1614 movwf divisor_deco_debug
|
|
|
1615 GETCUSTOM8 d'26'
|
|
|
1616 movwf divisor_nuy2
|
|
|
1617
|
|
|
1618 btfss FLAG_apnoe_mode ; In Apnoe mode?
|
|
|
1619 bra divemode1
|
|
|
1620 ; Overwrite some parameters in Apnoe mode....
|
|
|
1621 movlw d'1'
|
|
|
1622 movwf samplesecs_value ; to avoid EEPROM access in the ISR
|
|
|
1623
|
|
|
1624 divemode1:
|
|
|
1625 read_int_eeprom d'36' ; Read mix 1 ppO2
|
|
|
1626 btfsc FLAG_const_ppO2_mode
|
|
|
1627 movff EEDATA,char_I_const_ppO2 ; Set ppO2 setpoint if in ppO2 mode
|
|
4
|
1628 movff EEDATA, ppO2_setpoint_store ; Store also in this byte...
|
|
0
|
1629
|
|
|
1630 call clear_LEDnofly ; Clear flags
|
|
|
1631 bcf low_battery_state ; clear flag for battery warning mode
|
|
|
1632 bcf header_stored
|
|
|
1633 bcf premenu
|
|
|
1634 bcf realdive
|
|
|
1635 bsf update_divetime ; set flag
|
|
|
1636 btfss simulatormode_active ; do not disable in simulator mode!
|
|
|
1637 call disable_rs232 ; Disable RS232 unless in external O2 Sensor mode
|
|
|
1638
|
|
|
1639 read_int_eeprom d'33' ; Read byte (stored in EEDATA)
|
|
|
1640 movff EEDATA,active_gas ; Read start gas (1-5)
|
|
|
1641
|
|
|
1642 ; Read Start Gas and configure char_I_He_ratio, char_I_O2_ratio and char_I_N2_ratio
|
|
|
1643 decf active_gas,W ; Gas 0-4
|
|
|
1644 mullw d'4'
|
|
|
1645 movf PRODL,W
|
|
|
1646 addlw d'7' ; = address for He ratio
|
|
|
1647 movwf EEADR
|
|
|
1648 call read_eeprom ; Read He ratio
|
|
|
1649 movff EEDATA,char_I_He_ratio ; And copy into hold register
|
|
|
1650 decf active_gas,W ; Gas 0-4
|
|
|
1651 mullw d'4'
|
|
|
1652 movf PRODL,W
|
|
|
1653 addlw d'6' ; = address for O2 ratio
|
|
|
1654 movwf EEADR
|
|
|
1655 call read_eeprom ; Read O2 ratio
|
|
|
1656 movff EEDATA, char_I_O2_ratio ; O2 ratio
|
|
|
1657 movff char_I_He_ratio, wait_temp ; copy into bank1 register
|
|
|
1658 bsf STATUS,C ; Borrow bit
|
|
|
1659 movlw d'100' ; 100%
|
|
|
1660 subfwb wait_temp,W ; minus He
|
|
|
1661 bsf STATUS,C ; Borrow bit
|
|
|
1662 subfwb EEDATA,F ; minus O2
|
|
|
1663 movff EEDATA, char_I_N2_ratio ; = N2!
|
|
|
1664
|
|
|
1665 ; New in 1.09 - DecoGas can be configured to achieve exact decompression proposal
|
|
|
1666 ; required variables
|
|
|
1667 ; These values are set when the OSTC is in decompression mode - will be done in routine "check_decogas"
|
|
|
1668 ; char_I_deco_gas_change; ; next gas change in meter
|
|
|
1669 ; char_I_deco_N2_ratio; ; next gas N2
|
|
|
1670 ; char_I_deco_He_ratio; ; next gas He
|
|
|
1671 clrf lo
|
|
|
1672 movff lo, char_I_deco_gas_change ; clear
|
|
|
1673 movff lo, char_I_deco_N2_ratio ; clear
|
|
|
1674 movff lo, char_I_deco_He_ratio ; clear
|
|
|
1675 bcf multi_gf_display ; Do not display the multi-gf table screen
|
|
|
1676 return |
