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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 ; routines for Surface mode
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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: 080905
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23 ; known bugs:
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24 ; ToDo:
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25
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26 surfloop:
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27 ; Boot tasks for all modes
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28 call restart_set_modes_and_flags ; Sets decomode flags
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29 clrf lo
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30 movff lo,char_I_const_ppO2 ; reset to standard mode, OSTC assumes Air breathing at the surface!
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31
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32 call PLED_brightness_full ;max. brightness
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33
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34 call I2CReset
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35 call enable_rs232
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36 call PLED_boot
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37 call PLED_serial ; Show OSTC serial and firmware version
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38 call PLED_clock ; display time
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39 call update_date ; display date
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40 movff last_surfpressure_30min+0,int_I_pres_respiration+0 ; copy surface air pressure to deco routine
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41 movff last_surfpressure_30min+1,int_I_pres_respiration+1 ; 30min old values
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42 movff last_surfpressure_30min+0,int_I_pres_surface+0 ; copy surface air pressure to deco routine
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43 movff last_surfpressure_30min+1,int_I_pres_surface+1 ; 30min old values
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44
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45 btfsc gauge_mode ; Ignore in gauge mode
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46 bra surfloop1
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47 btfsc FLAG_apnoe_mode ; Ignore in Apnoe mode
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48 bra surfloop1
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49
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50 ; Startup tasks for decompression modes
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43
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51 call PLED_display_cns_surface ; Update surface CNS display (If allowed by CF15)
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0
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52 call PLED_desaturation_time ; display desaturation time
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53 call PLED_nofly_time ; display nofly time
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13
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54
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55 btfss pre_dive_screen ; Show predive screen
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56 call PLED_tissue_saturation_graph ; no, display saturation graph
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57 btfsc pre_dive_screen ; Show predive screen
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58 call PLED_pre_dive_screen ; yes, display Pre-Dive Screen
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59
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0
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60 call PLED_active_gas_surfmode ; Show start gas
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61 call PLED_display_decotype_surface ; Show deco mode (ZH-L16, const. ppO2 or Multi-GF)
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62
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63 surfloop1:
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64 btfss gauge_mode ; Display only in gauge mode
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65 bra surfloop2
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66 DISPLAYTEXT d'103' ; Gauge mode
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67 surfloop2:
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68 btfss FLAG_apnoe_mode ; Display only in Apnoe mode
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69 bra surfloop3
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70 DISPLAYTEXT d'116' ; Apnoe mode
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71
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72 surfloop3:
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73 ; Startup tasks for all modes
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74 clrf timeout_counter2
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75 clrf timeout_counter3
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76 bcf premenu ; clear premenu flag
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77 bcf menubit ; clear menu flag
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78 bcf pressure_refresh
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79 clrf last_pressure+0
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80 clrf last_pressure+1
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81 clrf last_temperature+0
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82 clrf last_temperature+1
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83
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84 movlw d'5'
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85 movwf timeout_counter ; reload counter
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86
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21
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87 bcf LED_blue
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88 bcf LED_red
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0
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89 bcf simulatormode_active ; Quit simulator mode (if active)
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90 bcf standalone_simulator ; Quit simulator mode (if active)
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91 WIN_TOP .0
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92 WIN_LEFT .0
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93 WIN_FONT FT_SMALL
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94 WIN_INVERT .0 ; Init new Wordprocessor
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3
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95 call PLED_standard_color
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96
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0
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97 bcf switch_left
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98 bcf switch_right
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4
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99 call PLED_active_gas_surfmode ; Show start gas / SetPoint
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0
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100 call PLED_custom_text ; Displays custom text
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101 movlw d'1' ; next cf to check
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102 movwf cf_checker_counter ;
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103 ostc_debug 'G' ; Sends debug-information to screen if debugmode active
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104 GETCUSTOM8 d'12' ; Desaturation multiplier %
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105 movwf wait_temp
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106 movff wait_temp,char_I_desaturation_multiplier
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107 GETCUSTOM8 d'11' ; Saturation multiplier %
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108 movwf wait_temp
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109 movff wait_temp,char_I_saturation_multiplier
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110 call deco_main_calc_desaturation_time; calculate desaturation time
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111 movlb b'00000001' ; select ram bank 1
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112 ostc_debug 'H' ; Sends debug-information to screen if debugmode active
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113
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114 call wait_switches ; Waits until switches are released, resets flag if button stays pressed!
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115
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116 surfloop_loop:
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117 btfss onesecupdate ; do every second tasks?
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118 bra surfloop_loop2 ; no, loop
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119
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120 btfss FLAG_const_ppO2_mode ; are we in const. ppO2 mode?
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121 bra surfloop_loop1 ; No
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122 ; One Second tasks for ppO2 modes
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123
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124 bra surfloop_loop1 ; Do not search for sensor in CC mode
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125
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126
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127 surfloop_loop1:
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128 ; One Second tasks for all modes
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129 call PLED_clock ; update clock
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130 call test_charger ; check if charger IC is active
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131 call timeout_surfmode ; check timeout
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132 call get_battery_voltage ; get battery voltage
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133 call update_batt_voltage ; display battery voltage
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134 call timeout_premenu ; timeout premenu
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135 call set_leds_surfmode ; Sets Warning and No-Fly LEDs
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136 call custom_functions_check_surfmode ; Checks CF functions and displays warning symbol if something critical is wrong
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137 call PLED_display_decotype_surface ; Show deco mode
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138 btfsc enter_error_sleep ; Enter Fatal Error Routine?
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16
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139 call fatal_error_sleep ; Yes (In Sleepmode_vxx.asm!)
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0
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140 bcf onesecupdate ; every second tasks done
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141
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142 surfloop_loop2:
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143 ; Tasks approx. every 50ms for all modes
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144 call test_switches_surfmode ; check switches
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145
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146 ; Sensor tasks for all modes
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147 btfsc pressure_refresh ; new pressure available?
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148 call update_surf_press ; display surface pressure
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149 btfsc pressure_refresh ; new temperature available?
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150 call PLED_temp_surfmode ; Displays temperature
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151 btfsc pressure_refresh ; new pressure available?
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152 call set_dive_modes ; tests if depth>threshold
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153 bcf pressure_refresh ; until new pressure is available
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154
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155 ; One minute tasks for all modes
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156 btfsc oneminupdate ; do every minute tasks
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157 call update_surfloop60 ; yes, e.g. update time and date
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158
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159 ; Mode tasks
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160 btfsc menubit ; Menu?
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161 goto menu ; Menu!
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162 btfsc divemode ; Divemode active?
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163 goto diveloop ; Yes, switch into Divemode!
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164 btfsc sleepmode ; Sleepmode active?
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165 goto sleeploop ; Yes, switch into sleepmode!
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166 ; Check for the different UART flags
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167 btfsc dump_external_eeprom ; Start interface (dumps EEPROM BANK 0 + additional data)?
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168 goto menu_interface ; Yes!
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169 btfsc uart_settime ; Sync clock with PC?
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170 goto sync_clock ; Yes!
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171 btfsc internal_eeprom_write ; Access internal EEPROM BANK 0 via UART module
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172 goto internal_eeprom_access_b0 ; Yes!
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173 btfsc internal_eeprom_write2 ; Access internal EEPROM BANK 1 via UART module
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174 goto internal_eeprom_access_b1 ; Yes!
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175 btfsc uart_send_hash ; Send MD2 hash values
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176 goto send_md2_hash ; Yes!
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177 btfsc uart_send_int_eeprom ; Send internal EEPROM BANK 0
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178 goto send_int_eeprom_b0 ; Yes!
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179 btfsc uart_reset_decodata ; Reset Deco Data?
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180 goto reset_decodata ; Yes!
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181 btfsc uart_send_int_eeprom2 ; Send internal EEPROM BANK 1
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182 goto send_int_eeprom_b1 ; Yes!
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183 btfsc uart_store_tissue_data ; Store tissue data?`
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184 goto uart_store_tissues ; Yes!
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185
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186 bra surfloop_loop ; loop surfacemode
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187
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188
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189 update_surfloop60:
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190 ; One minute tasks for all modes
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4
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191 ; call PLED_active_gas_surfmode ; Show start gas / SetPoint
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0
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192 call update_date ; and date in divemode
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193 call calc_deko_surfmode ; calculate desaturation every minute
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194 call check_temp_extrema ; check for new temperature extremas
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195 call PLED_custom_text ; Displays custom text
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196 call calc_surface_interval ; Increases Surface-Interval time
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197
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198 btfsc gauge_mode ; Ignore in gauge mode
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199 bra update_surfloop60_2
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200 btfsc FLAG_apnoe_mode ; Ignore in Apnoe mode
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201 bra update_surfloop60_2
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202
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203 ; One Minute tasks for deco modes
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43
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204 call PLED_display_cns_surface ; Update surface CNS display (If allowed by CF15)
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0
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205 call PLED_nofly_time ; display nofly time
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206 call PLED_desaturation_time ; display desaturation time
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13
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207 btfsc premenu ; Not when "Menu?" is displayed!
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208 bra update_surfloop60_2
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209
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210 btfss pre_dive_screen ; Show predive screen
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211 call PLED_tissue_saturation_graph ; no, display saturation graph
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212 btfsc pre_dive_screen ; Show predive screen
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213 call PLED_pre_dive_screen ; yes, display Pre-Dive Screen
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0
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214
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215 update_surfloop60_2:
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216 call nofly_timeout60 ; checks if nofly time is > 0
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217 bcf oneminupdate
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218 return
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219
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220 nofly_timeout60:
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221 bsf nofly_active ; Set flag
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222 movlw d'1'
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223 subwf nofly_time+0,F
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224 movlw d'0'
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225 subwfb nofly_time+1,F ; reduce by one
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226 tstfsz nofly_time+0 ; =0?
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227 return
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228 tstfsz nofly_time+1 ; =0?
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229 return
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230 bcf nofly_active ; Clear flag
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21
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231 bcf LED_blue
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0
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232 incf nofly_time+0,F ; =1
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233 return
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234
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235 calc_surface_interval:
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236 movff int_O_desaturation_time+0,lo ; divide by 60...
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237 movff int_O_desaturation_time+1,hi
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238 tstfsz lo ;=0?
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239 bra calc_surface_interval2 ; No
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240 tstfsz hi ;=0?
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241 bra calc_surface_interval2 ; No
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242 clrf surface_interval+0
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243 clrf surface_interval+1 ; Clear surface interval timer
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244 return
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245
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246 calc_surface_interval2: ; Increase surface interval timer
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247 movlw d'1'
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248 addwf surface_interval+0,F
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249 movlw d'0'
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250 addwfc surface_interval+1,F
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251 return
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252
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253 set_leds_surfmode:
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254 btfsc nofly_active
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255 btg LED_blue
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0
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256 return
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257
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258 calc_deko_surfmode:
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259 bsf LED_red
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0
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260 ostc_debug 'I' ; Sends debug-information to screen if debugmode active
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261
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262 movff last_surfpressure+0,int_I_pres_surface+0 ; copy surface air pressure to deco routine
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263 movff last_surfpressure+1,int_I_pres_surface+1
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264 clrf wait_temp ; Use as buffer
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265 movff wait_temp,char_I_He_ratio ; No He at the Surface
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266 movlw d'79' ; 79% N2
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267 movwf wait_temp ; Use as buffer
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268 movff wait_temp,char_I_N2_ratio ; No He at the Surface
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269
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270 movff amb_pressure+0,int_I_pres_respiration+0 ; copy surface air pressure to deco routine
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271 movff amb_pressure+1,int_I_pres_respiration+1
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272 GETCUSTOM8 d'11' ; Saturation multiplier %
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273 movwf wait_temp
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274 movff wait_temp,char_I_saturation_multiplier
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275 GETCUSTOM8 d'12' ; Desaturation multiplier %
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276 movwf wait_temp
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277 movff wait_temp,char_I_desaturation_multiplier
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278
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279 call deco_main_calc_wo_deco_step_1_m ; calculate deco in surface mode
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280 movlb b'00000001' ; select ram bank 1
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281 ostc_debug 'J' ; Sends debug-information to screen if debugmode active
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21
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282 bcf LED_red
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0
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283 return
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284
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285
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286 test_charger:
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287 bcf TRISC,1 ; CHRG_OUT output
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288 bsf CHRG_OUT
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289
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290 bcf cc_active ; Constant Current mode active?
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291 btfss CHRG_IN ; If CHRG_IN=0 -> CC active
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292 bsf cc_active ; Constant Current mode Active!
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293
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294 bcf CHRG_OUT
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295 bsf TRISC,1 ; CHRG_OUT high impedance
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296
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297 WAIT10US d'10'
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298
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299 bcf cv_active ; Constant Voltage mode Active?
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300 btfss CHRG_IN ; If CHRG_IN=0 -> CV active
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301 bsf cv_active ; Constant Voltage mode active!
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302
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303 bcf TRISC,1 ; CHRG_OUT output
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304 bcf CHRG_OUT
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305
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306 btfsc cc_active
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307 bra show_cc_active
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308 btfsc cv_active
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309 bra show_cv_active
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310
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311 bsf TRISC,1 ; CHRG_OUT high impedance
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312
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313 ; Charger inactive or ready
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314 btfss charge_done ; charge done?
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315 bra test_charger2 ; No, add incomplete cycle!
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316
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317 ; Yes, store all data for complete cycle
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318 bcf charge_started ; Clear flag
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319 bcf charge_done ; Clear flag
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320 ; Store incomplete/total cycles
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321 read_int_eeprom d'50' ; Read byte (stored in EEDATA)
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322 movff EEDATA,temp1 ; Low byte
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323 read_int_eeprom d'51' ; Read byte (stored in EEDATA)
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324 movff EEDATA,temp2 ; high byte
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325 bcf STATUS,C
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326 movlw d'1'
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327 addwf temp1
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328 movlw d'0'
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329 addwfc temp2
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330 movff temp1,EEDATA
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331 write_int_eeprom d'50' ; write byte stored in EEDATA
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332 movff temp2,EEDATA
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333 write_int_eeprom d'51' ; write byte stored in EEDATA
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334
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335 ; Store complete cycles
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336 read_int_eeprom d'52' ; Read byte (stored in EEDATA)
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337 movff EEDATA,temp1 ; Low byte
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338 read_int_eeprom d'53' ; Read byte (stored in EEDATA)
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339 movff EEDATA,temp2 ; high byte
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340 bcf STATUS,C
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341 movlw d'1'
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342 addwf temp1
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343 movlw d'0'
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344 addwfc temp2
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345 movff temp1,EEDATA
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346 write_int_eeprom d'52' ; write byte stored in EEDATA
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347 movff temp2,EEDATA
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348 write_int_eeprom d'53' ; write byte stored in EEDATA
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349 ; Store date of complete cycle
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350 movff month,EEDATA
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351 write_int_eeprom d'47'
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352 movff day,EEDATA
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353 write_int_eeprom d'48'
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354 movff year,EEDATA
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355 write_int_eeprom d'49'
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356
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357 return
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358
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359 test_charger2:
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360 btfss charge_started ; Did the charger ever start?
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361 return ; No, quit!
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362
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363 bcf charge_started ; Clear flag
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364 ; Store incomplete/total cycles
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365 read_int_eeprom d'50' ; Read byte (stored in EEDATA)
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366 movff EEDATA,temp1 ; Low byte
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367 read_int_eeprom d'51' ; Read byte (stored in EEDATA)
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368 movff EEDATA,temp2 ; high byte
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369 bcf STATUS,C
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370 movlw d'1'
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371 addwf temp1
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372 movlw d'0'
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373 addwfc temp2
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374 movff temp1,EEDATA
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375 write_int_eeprom d'50' ; write byte stored in EEDATA
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376 movff temp2,EEDATA
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377 write_int_eeprom d'51' ; write byte stored in EEDATA
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378 return
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379
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380 show_cv_active: ; CV mode
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21
|
381 bsf LED_red
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0
|
382 WAITMS d'100'
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21
|
383 bcf LED_red
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0
|
384 WAITMS d'100'
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21
|
385 bsf LED_red
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0
|
386 bsf charge_done ; Charge cycle finished
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387 return
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388
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|
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389 show_cc_active: ; CC mode
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21
|
390 bsf LED_red
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0
|
391 bsf charge_started ; Charger started in CC mode
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|
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392 bcf charge_done ; Charge cycle not finished
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|
393 return
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|
394
|
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395
|
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396 timeout_premenu:
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|
397 btfss premenu ; is "Menu?" displayed?
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|
|
398 return ; No
|
|
|
399 incf timeout_counter3,F ; Yes...
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|
|
400 GETCUSTOM8 d'4' ; loads premenu_timeout into WREG
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401 cpfsgt timeout_counter3 ; ... longer then premenu_timeout
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|
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402 return ; No!
|
|
|
403 bcf premenu ; Yes, so clear "Menu?" and clear pre_menu bit
|
|
|
404
|
|
|
405 call PLED_topline_box_clear ; Clears Bar at the top
|
|
|
406
|
|
|
407 btfsc gauge_mode
|
|
|
408 bra timeout_premenu2 ; Skip in Gauge mode
|
|
|
409 btfsc FLAG_apnoe_mode
|
|
|
410 bra timeout_premenu2 ; Skip in Apnoe mode
|
|
13
|
411
|
|
|
412 btfss pre_dive_screen ; Show predive screen
|
|
|
413 call PLED_tissue_saturation_graph ; no, display saturation graph
|
|
|
414 btfsc pre_dive_screen ; Show predive screen
|
|
|
415 call PLED_pre_dive_screen ; yes, display Pre-Dive Screen
|
|
|
416
|
|
0
|
417 timeout_premenu2:
|
|
|
418 call update_surf_press ; rewrite serial number
|
|
|
419 call PLED_serial ; rewrite serial number
|
|
|
420 clrf timeout_counter3 ; Also clear timeout
|
|
|
421 bcf switch_left ; and debounce switches
|
|
|
422 bcf switch_right
|
|
|
423 return
|
|
|
424
|
|
|
425 test_switches_surfmode: ; checks switches in surfacemode
|
|
|
426 btfsc switch_left
|
|
|
427 bra test_switches_surfmode2
|
|
|
428 btfsc switch_right
|
|
|
429 bra test_switches_surfmode3
|
|
|
430
|
|
|
431 ; No button press, reset timer0
|
|
|
432 bcf T0CON,TMR0ON ; Stop Timer 0
|
|
|
433 bcf INTCON,TMR0IF ; Clear flag
|
|
|
434 clrf TMR0H
|
|
|
435 clrf TMR0L
|
|
|
436 bcf INTCON,INT0IF ; Clear flag
|
|
|
437 bcf INTCON3,INT1IF ; Clear flag
|
|
|
438 return
|
|
|
439
|
|
|
440 test_switches_surfmode3:
|
|
|
441 bcf switch_right
|
|
|
442 call PLED_topline_box ; Write a filled bar at the top
|
|
|
443 WIN_INVERT .1 ; Init new Wordprocessor
|
|
|
444 DISPLAYTEXT .4 ;Menu?
|
|
|
445 WIN_INVERT .0 ; Init new Wordprocessor
|
|
|
446 bsf premenu
|
|
|
447 clrf timeout_counter2
|
|
|
448 return
|
|
|
449
|
|
|
450 test_switches_surfmode2:
|
|
|
451 bcf switch_left
|
|
|
452 btfss premenu
|
|
13
|
453 bra test_switches_surfmode4
|
|
0
|
454 bsf menubit ; Enter Menu!
|
|
|
455 return
|
|
|
456
|
|
13
|
457 test_switches_surfmode4:
|
|
|
458 btg pre_dive_screen
|
|
0
|
459
|
|
13
|
460 btfss pre_dive_screen ; Show predive screen
|
|
|
461 call PLED_tissue_saturation_graph ; no, display saturation graph
|
|
|
462 btfsc pre_dive_screen ; Show predive screen
|
|
|
463 call PLED_pre_dive_screen ; yes, display Pre-Dive Screen
|
|
|
464
|
|
|
465 return
|
|
0
|
466
|
|
|
467 timeout_surfmode:
|
|
|
468 incf timeout_counter2,F ; increase timeout counter
|
|
|
469 GETCUSTOM8 d'3' ; loads surfloop_timeout into WREG
|
|
|
470 addlw d'5' ; adds five seconds in case timout=zero!
|
|
|
471 btfsc STATUS,C ; > 255?
|
|
|
472 movlw d'255' ; Set to 255...
|
|
|
473 decf WREG,F ; Limit to 254
|
|
|
474 cpfsgt timeout_counter2 ; Compare with timeout_counter2
|
|
|
475 return ; return, no timeout
|
|
|
476 bsf sleepmode ; Set Flag
|
|
|
477 return ; Return
|
