annotate code_part1/OSTC_code_asm_part1/start.asm @ 231:f9d42f8ff97b

BUGFIX Don't show (nosense) gas consumption in CCR mode (bug BB20).
author JeanDo
date Wed, 16 Mar 2011 19:03:01 +0100
parents 85ea09d3b9d8
children 2cbaa01dac26
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1 ; OSTC - diving computer code
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2 ; Copyright (C) 2008 HeinrichsWeikamp GbR
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3
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4 ; This program is free software: you can redistribute it and/or modify
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5 ; it under the terms of the GNU General Public License as published by
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6 ; the Free Software Foundation, either version 3 of the License, or
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7 ; (at your option) any later version.
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8
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9 ; This program is distributed in the hope that it will be useful,
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10 ; but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 ; GNU General Public License for more details.
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13
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14 ; You should have received a copy of the GNU General Public License
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15 ; along with this program. If not, see <http://www.gnu.org/licenses/>.
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16
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17
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18 ; Start and init
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19 ; written by: Matthias Heinrichs, info@heinrichsweikamp.com
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20 ; written: 10/13/04
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21 ; last updated: 06/24/08
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22 ; known bugs:
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23 ; ToDo:
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24
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25 start:
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26 movlb b'00000001' ; ram bank 1 selected
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f24137eb85de Background debugger now shows STKPTR
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27 movff STKPTR,temp10
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28 call init
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29 btfsc divemode ; Reset from Divemode?
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30 call PLED_resetdebugger ; Yes! Something went wrong, show reset informations
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31
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32 clrf STKPTR ; Clear Stackpointer
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33 lfsr FSR0, 10Bh ; Clear rambank 1-9, do not delete RTC registers
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34 clear_rambank:
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35 clrf POSTINC0
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36 movlw 0x0A
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37 cpfseq FSR0H ; Bank 9 done?
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38 bra clear_rambank ; clear...
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39
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40 ; Defaults for RTC
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41 call disable_rs232 ; disable UART module
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42 call RTCinit ; reset RTC
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43
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44 ; Extra power-up reset (JeanDo)
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45 ifdef TESTING
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46 call do_menu_reset_all2
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47 endif
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48
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49 ; Air pressure compensation after reset
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50 call get_calibration_data ; Get calibration data from pressure sensor
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51
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52 bcf pressure_refresh
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53 wait_start_pressure:
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54 btfss pressure_refresh ; Air pressure compensation
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55 bra wait_start_pressure
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56
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57 clrf rel_pressure+0
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58 clrf rel_pressure+1
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59 clrf surface_interval+0
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60 clrf surface_interval+1
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61
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62 bsf sleepmode ; Routine only works in sleepmode...
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63 call pressuretest_sleep_fast ; Gets pressure without averaging (faster!)
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64 bcf sleepmode ; Normal mode again
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65
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66 movff amb_pressure+0,last_surfpressure+0
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67 movff amb_pressure+1,last_surfpressure+1
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68 movff amb_pressure+0,last_surfpressure_15min+0
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69 movff amb_pressure+1,last_surfpressure_15min+1
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70 movff amb_pressure+0,last_surfpressure_30min+0
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71 movff amb_pressure+1,last_surfpressure_30min+1 ; Rests all airpressure registers
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72
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73 ; reset deco data
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74 clrf WREG ; Use as buffer
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75 movff WREG,char_I_He_ratio ; No He at the Surface
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76 movlw d'79' ; 79% N2
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77 movff WREG,char_I_N2_ratio ; No He at the Surface
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78 movff amb_pressure+0,int_I_pres_respiration+0 ; copy surface air pressure to deco routine
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79 movff amb_pressure+1,int_I_pres_respiration+1
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80
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81 clrf WREG
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2b52a4a7dce6 preparations for new deco code...
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82 movff WREG,char_I_step_is_1min ; 2 second deco mode
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83 call deco_clear_tissue ;
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84 call deco_calc_desaturation_time ; calculate desaturation time
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85 call deco_clear_CNS_fraction ; clear CNS
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86 call calc_deko_surfmode ; calculate desaturation every minute
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87 call deco_calc_wo_deco_step_1_min ; calculate deco in surface mode
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88 movlb b'00000001' ; select ram bank 1
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89
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90 ; check firmware and reset Custom Functions after an update
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91 movlw LOW 0x101
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92 movwf EEADR
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93 movlw HIGH 0x101
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94 movwf EEADRH
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95 call read_eeprom ; read current version x
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96 movff EEDATA,temp1
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97 incf EEADR,F ; set to 0x102
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98 call read_eeprom ; read current version y
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99 movff EEDATA,temp2
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100 clrf EEADRH ; Reset EEADRH
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101
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102 movlw softwareversion_x
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103 cpfseq temp1 ; compare version x
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104 bra check_firmware_new ; is not equal -> reset CF and store new version in EEPROM
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105
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106 movlw softwareversion_y
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107 cpfseq temp2 ; compare version y
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108 bra check_firmware_new ; is not equal -> reset CF and store new version in EEPROM
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109 bra restart ; x and y are equal -> do not reset cf
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110
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111 check_firmware_new:
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112 movlw LOW 0x101 ; store current version in EEPROM
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113 movwf EEADR
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114 movlw HIGH 0x101
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115 movwf EEADRH
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116 movlw softwareversion_x
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117 movwf EEDATA
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118 call write_eeprom ; write version x
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119 incf EEADR,F ; set to 0x102
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120 movlw softwareversion_y
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121 movwf EEDATA
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122 call write_eeprom ; write version y
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123 clrf EEADRH ; Reset EEADRH
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124 ; goto reset_all_cf ; resets all custom functions bank0 and bank1 and jumps to "restart"
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125 ; goto reset_all_cf_bank1 ; resets all custom functions bank1 and jumps to "restart"
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126
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127 restart:
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128 bcf LED_red
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129 bcf LED_blue ; all LEDs off
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65d5b0c8da41 New CF48, changed CF15
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130 GETCUSTOM8 d'48' ; time correction value
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131 movff WREG, time_correction_value ; store in Bank0 register
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132
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133 clrf flag1 ; clear all flags
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134 clrf flag2
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135 clrf flag3
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136 clrf flag4
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137 clrf flag5
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138 clrf flag6
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139 clrf flag7
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140 clrf flag8
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141 clrf flag9
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142 clrf flag10
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143 clrf flag11
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144 clrf flag12
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145 clrf flag13
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146 clrf flag14
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147 clrf flag15
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148
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149 ; Should we set win_flip_screen ?
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150 bsf flag1,0 ; Precondition to yes
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151 clrf EEADRH ; Reset EEADRH
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152 read_int_eeprom d'1'
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153 movlw .7
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154 cpfsgt EEDATA ; serial > 2048 (Mk2n hardware) ?
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155 bcf flag1,0
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156 incf EEDATA,W ; serial == 65535 (emulation) ?
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157 btfsc STATUS,Z
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158 bcf flag1,0
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159 movff flag1,win_flags ; store in Bank0 register
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160 clrf flag1 ; Clear flag1 (again)
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161
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162 ; Should we disable sleep (hardware emulator)
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163 movlw .0
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164 cpfsgt EEDATA ; >256
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165 bsf nsm ; NO-SLEEP-MODE : for hardware debugging
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166
142
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167 call gassetup_sort_gaslist ; Sorts Gaslist according to change depth
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168 call PLED_boot ; PLED boot (Incl. Clear Screen!)
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169 WIN_TOP .0
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170 WIN_LEFT .0
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171 WIN_FONT FT_SMALL
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172 WIN_INVERT .0 ; Init new Wordprocessor
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173 setf WREG
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174 movff WREG,win_color1 ; Beware: win_color1 is bank0, and we are bank1 currently
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175 movff WREG,win_color2
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176 call I2CReset ; Just in Case any I2C device blocks the Bus
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177 movff last_surfpressure_30min+0,last_surfpressure+0 ; Use 30min old airpressure
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178 movff last_surfpressure_30min+1,last_surfpressure+1 ; Use 30min old airpressure
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179
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180 ; Check if new CF were added in the last firmware version
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181 clrf EEADRH
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182 read_int_eeprom d'92' ; Read number of CF used in this firmware
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183 movlw max_custom_number ; Defined in definitions.asm
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184 cpfseq EEDATA ; Compare with last version
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185 bra restart_01 ; New CF, show warning and store new number
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186 bra restart_1 ; No new CF, continue with boot
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187 restart_01:
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188 ; Save new number of current CF count
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189 rcall display_new_cf_installed; Show warning
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heinrichsweikamp
parents:
diff changeset
190 movlw max_custom_number ; Defined in definitions.asm
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
191 movwf EEDATA
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
192 write_int_eeprom d'92' ; Store number of CF used in this firmware
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
193
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
194 restart_1:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
195
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
196 ; Set Debug mode?
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
197 read_int_eeprom d'39'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
198 bsf debug_mode
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
199 movlw d'1'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
200 cpfseq EEDATA
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
201 bcf debug_mode ; clear flag if <> 1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
202
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
203 goto surfloop ; Jump to Surfaceloop!
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
204
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
205
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
206 display_new_cf_installed:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
207 call PLED_new_cf_warning ; Display new CF warning screen
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
208 movlw d'20' ; timeout for warning screen
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
209 bra startup_screen3a ; Will RETURN after timeout or button press
197
f15e804ff67f Gas switch delay
JeanDo
parents: 169
diff changeset
210
f15e804ff67f Gas switch delay
JeanDo
parents: 169
diff changeset
211 ;=============================================================================
f15e804ff67f Gas switch delay
JeanDo
parents: 169
diff changeset
212 ; Setup all flags and parameters for divemode and simulator computations.
f15e804ff67f Gas switch delay
JeanDo
parents: 169
diff changeset
213 ;
f15e804ff67f Gas switch delay
JeanDo
parents: 169
diff changeset
214 restart_set_modes_and_flags: ; "Call"ed from divemode, as well!
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
215 bcf gauge_mode
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
216 bcf FLAG_const_ppO2_mode
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
217 bcf FLAG_apnoe_mode
45
985607cfb813 1.65beta
heinrichsweikamp
parents: 43
diff changeset
218
985607cfb813 1.65beta
heinrichsweikamp
parents: 43
diff changeset
219 ; Pre-load modes for OC, GF 90/90 and no Aponoe or Gauge.
197
f15e804ff67f Gas switch delay
JeanDo
parents: 169
diff changeset
220 bcf no_deco_customviews ; Clear no-deco-mode-flag
45
985607cfb813 1.65beta
heinrichsweikamp
parents: 43
diff changeset
221 movlw d'0'
197
f15e804ff67f Gas switch delay
JeanDo
parents: 169
diff changeset
222 movff WREG,char_I_deco_model ; Clear Flagbyte
45
985607cfb813 1.65beta
heinrichsweikamp
parents: 43
diff changeset
223 ; Load GF values into RAM
985607cfb813 1.65beta
heinrichsweikamp
parents: 43
diff changeset
224 movlw d'90'
197
f15e804ff67f Gas switch delay
JeanDo
parents: 169
diff changeset
225 movff WREG,char_I_GF_Low_percentage
f15e804ff67f Gas switch delay
JeanDo
parents: 169
diff changeset
226 movff WREG,char_I_GF_High_percentage ; Set to 90/90...
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
227 clrf EEADRH
197
f15e804ff67f Gas switch delay
JeanDo
parents: 169
diff changeset
228 read_int_eeprom d'34' ; Read deco data
f15e804ff67f Gas switch delay
JeanDo
parents: 169
diff changeset
229 movlw d'1' ; Gauge mode
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
230 cpfseq EEDATA
197
f15e804ff67f Gas switch delay
JeanDo
parents: 169
diff changeset
231 bra restart_3_test_ppO2_mode ; check for ppO2 mode
f15e804ff67f Gas switch delay
JeanDo
parents: 169
diff changeset
232 bsf gauge_mode ; Set flag for gauge mode
f15e804ff67f Gas switch delay
JeanDo
parents: 169
diff changeset
233 bsf no_deco_customviews ; Set no-deco-mode-flag
f15e804ff67f Gas switch delay
JeanDo
parents: 169
diff changeset
234 return ; start in Surfacemode
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
235 restart_3_test_ppO2_mode:
197
f15e804ff67f Gas switch delay
JeanDo
parents: 169
diff changeset
236 movlw d'2' ; const ppO2 mode
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
237 cpfseq EEDATA
197
f15e804ff67f Gas switch delay
JeanDo
parents: 169
diff changeset
238 bra restart_3_test_apnoe_mode; check for apnoe mode
f15e804ff67f Gas switch delay
JeanDo
parents: 169
diff changeset
239 bsf FLAG_const_ppO2_mode ; Set flag for ppO2 mode
f15e804ff67f Gas switch delay
JeanDo
parents: 169
diff changeset
240 return ; start in Surfacemode
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
241 restart_3_test_apnoe_mode:
197
f15e804ff67f Gas switch delay
JeanDo
parents: 169
diff changeset
242 movlw d'3' ; Apnoe mode
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
243 cpfseq EEDATA
197
f15e804ff67f Gas switch delay
JeanDo
parents: 169
diff changeset
244 bra restart_4_test_gf_mode ; check for GF OC mode
f15e804ff67f Gas switch delay
JeanDo
parents: 169
diff changeset
245 bsf FLAG_apnoe_mode ; Set flag for Apnoe Mode
f15e804ff67f Gas switch delay
JeanDo
parents: 169
diff changeset
246 bsf no_deco_customviews ; Set no-deco-mode-flag
f15e804ff67f Gas switch delay
JeanDo
parents: 169
diff changeset
247 return ; start in Surfacemode
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
248 restart_4_test_gf_mode:
197
f15e804ff67f Gas switch delay
JeanDo
parents: 169
diff changeset
249 movlw d'4' ; GF OC mode
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
250 cpfseq EEDATA
197
f15e804ff67f Gas switch delay
JeanDo
parents: 169
diff changeset
251 bra restart_5_test_gfO2_mode ; check for GF CC mode
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
252 movlw d'1'
197
f15e804ff67f Gas switch delay
JeanDo
parents: 169
diff changeset
253 movff WREG,char_I_deco_model ; Set Flagbyte for GF method
45
985607cfb813 1.65beta
heinrichsweikamp
parents: 43
diff changeset
254 ; Load GF values into RAM
197
f15e804ff67f Gas switch delay
JeanDo
parents: 169
diff changeset
255 GETCUSTOM8 d'32' ; GF low
f15e804ff67f Gas switch delay
JeanDo
parents: 169
diff changeset
256 movff EEDATA,char_I_GF_Low_percentage
f15e804ff67f Gas switch delay
JeanDo
parents: 169
diff changeset
257 GETCUSTOM8 d'33' ; GF high
f15e804ff67f Gas switch delay
JeanDo
parents: 169
diff changeset
258 movff EEDATA,char_I_GF_High_percentage
f15e804ff67f Gas switch delay
JeanDo
parents: 169
diff changeset
259 return ; start in Surfacemode
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
260 restart_5_test_gfO2_mode:
197
f15e804ff67f Gas switch delay
JeanDo
parents: 169
diff changeset
261 movlw d'5' ; GF CC mode
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
262 cpfseq EEDATA
197
f15e804ff67f Gas switch delay
JeanDo
parents: 169
diff changeset
263 return ; Start in Surfacemode
f15e804ff67f Gas switch delay
JeanDo
parents: 169
diff changeset
264 bsf FLAG_const_ppO2_mode ; Set flag for ppO2 mode
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
265 movlw d'1'
197
f15e804ff67f Gas switch delay
JeanDo
parents: 169
diff changeset
266 movff WREG,char_I_deco_model ; Set Flagbyte for GF method
137
e6aa4a74c3c2 Fix: Customviews for Apnoe and Gauge mode
mh <>
parents: 119
diff changeset
267 ; Load GF values into RAM
197
f15e804ff67f Gas switch delay
JeanDo
parents: 169
diff changeset
268 GETCUSTOM8 d'32' ; GF low
163
144822282fa3 Fusion declaration of shared C/ASM variables.
JeanDo
parents: 160
diff changeset
269 movff EEDATA,char_I_GF_Low_percentage
197
f15e804ff67f Gas switch delay
JeanDo
parents: 169
diff changeset
270 GETCUSTOM8 d'33' ; GF high
163
144822282fa3 Fusion declaration of shared C/ASM variables.
JeanDo
parents: 160
diff changeset
271 movff EEDATA,char_I_GF_High_percentage
197
f15e804ff67f Gas switch delay
JeanDo
parents: 169
diff changeset
272 return ; start in Surfacemode
f15e804ff67f Gas switch delay
JeanDo
parents: 169
diff changeset
273
f15e804ff67f Gas switch delay
JeanDo
parents: 169
diff changeset
274 ;=============================================================================
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
275
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
276 startup_screen1:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
277 call PLED_ClearScreen
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
278 call PLED_startupscreen1 ; show startup sreen
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
279 startup_screen1_2:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
280 movlw d'10' ; timeout for startup screen
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
281 movwf temp1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
282 WAITMS d'200'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
283 bcf switch_left
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
284 bcf switch_right
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
285 screen1_loop:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
286 btfsc onesecupdate ; do every second tasks?
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
287 call set_dive_modes ; tests if depth>threshold
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
288 btfsc onesecupdate ; do every second tasks?
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
289 decf temp1,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
290 bcf onesecupdate ; every second tasks done
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
291
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
292 tstfsz temp1 ; timout occured?
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
293 bra screen1_loop2 ; no
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
294 return
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
295
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
296 screen1_loop2:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
297 btfsc divemode ; Divemode active?
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
298 return
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
299 btfsc switch_left ; Ack?
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
300 return
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
301 btfsc switch_right ; Ack?
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
302 return
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
303 bra screen1_loop ; loop screen
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
304
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
305 startup_screen2:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
306 call PLED_ClearScreen ; Page 1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
307 call PLED_startupscreen2 ; show startup sreen
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
308 bra startup_screen1_2
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
309
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
310 startup_screen3a:; WARNING: Also used for decodescriptions and CF Warning screen!
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
311 movwf temp1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
312 WAITMS d'200'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
313 bcf switch_left
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
314 bcf switch_right
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
315 screen3_loop:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
316 btfsc onesecupdate ; do every second tasks?
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
317 call set_dive_modes ; tests if depth>threshold
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
318
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
319 btfsc onesecupdate ; do every second tasks?
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
320 decf temp1,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
321 bcf onesecupdate ; every second tasks done
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
322
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
323 tstfsz temp1 ; timout occured?
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
324 bra screen3_loop2 ; no
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
325 return
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
326 screen3_loop2:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
327 btfsc switch_left ; Ack?
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
328 return
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
329 btfsc switch_right ; Ack?
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
330 return
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
331 bra screen3_loop ; loop screen
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
332
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
333 init:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
334 movlw b'01101100' ; 4MHz (x4 PLL)
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
335 movwf OSCCON
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
336
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
337 movlw b'00010001' ; I/O Ports
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
338 movwf TRISA
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
339 clrf PORTA
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
340 movlw b'00000011'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
341 movwf TRISB
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
342 clrf PORTB
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
343 movlw b'11011101' ; UART
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
344 movwf TRISC
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
345 clrf PORTC
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
346 movlw b'00000000'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
347 movwf TRISE
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
348 clrf PORTE
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
349 movlw b'00000000'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
350 movwf TRISD
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
351 clrf PORTD
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
352
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
353 movlw b'01000000' ; Bit6: PPL enable
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
354 movwf OSCTUNE
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
355
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
356 movlw b'00011111' ; Timer0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
357 movwf T0CON
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
358
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
359 movlw b'00000111' ; Timer1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
360 movwf T1CON
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
361
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
362 movlw b'11010000' ; Interrups
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
363 movwf INTCON
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
364 movlw b'00000101'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
365 movwf INTCON2
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
366 movlw b'00001000'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
367 movwf INTCON3
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
368 movlw b'00100001'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
369 movwf PIE1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
370 movlw b'00000000'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
371 movwf PIE2
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
372 clrf RCON
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
373
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
374 movlw b'00000000' ; A/D Converter
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
375 movwf ADCON0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
376 movlw b'00001110'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
377 movwf ADCON1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
378 movlw b'10001010' ; Right justified
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
379 movwf ADCON2
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
380
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
381 clrf SSPCON1 ; Set I²C Mode
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
382 movlw b'00000000'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
383 movwf SSPSTAT
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
384 movlw b'00101000'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
385 movwf SSPCON1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
386 movlw b'00000000'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
387 movwf SSPCON2
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
388 movlw d'8' ; 400kHz I2C clock @ 16MHz Fcy
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
389 movwf SSPADD
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
390
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
391 clrf CCP1CON ; PWM Module off
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
392 clrf ECCP1CON ; PWM Module off
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
393
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
394 movlw b'00000111' ; Comperator Module off
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
395 movwf CMCON
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
396
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
397 movlw b'00100000'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
398 movwf CANCON ; ECAN Module OFF
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
399
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
400 movlw b'00100100' ; UART
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
401 movwf TXSTA
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
402 movlw b'10010000'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
403 movwf RCSTA
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
404 movlw b'00001000'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
405 movwf BAUDCON
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
406 clrf SPBRGH
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
407 movlw d'34'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
408 movwf SPBRG
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
409 clrf RCREG
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
410 clrf PIR1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
411 return