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