Mercurial > public > mk2
annotate code_part1/OSTC_code_asm_part1/start.asm @ 571:7f5419d4157d
timeout for 2nd page of Gas Setup, ceiling allingment
| author | heinrichsweikamp |
|---|---|
| date | Sat, 14 Apr 2012 12:25:30 +0200 |
| parents | 3091628b2742 |
| children | ab2686087bce |
| rev | line source |
|---|---|
| 0 | 1 ; OSTC - diving computer code |
| 2 ; Copyright (C) 2008 HeinrichsWeikamp GbR | |
| 3 | |
| 4 ; This program is free software: you can redistribute it and/or modify | |
| 5 ; it under the terms of the GNU General Public License as published by | |
| 6 ; the Free Software Foundation, either version 3 of the License, or | |
| 7 ; (at your option) any later version. | |
| 8 | |
| 9 ; This program is distributed in the hope that it will be useful, | |
| 10 ; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 12 ; GNU General Public License for more details. | |
| 13 | |
| 14 ; You should have received a copy of the GNU General Public License | |
| 15 ; along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 16 | |
| 17 | |
| 18 ; Start and init | |
| 19 ; written by: Matthias Heinrichs, info@heinrichsweikamp.com | |
| 20 ; written: 10/13/04 | |
| 21 ; last updated: 06/24/08 | |
| 22 ; known bugs: | |
| 23 ; ToDo: | |
| 24 | |
| 25 start: | |
| 26 movlb b'00000001' ; ram bank 1 selected | |
| 521 | 27 movff STKPTR,temp10 ; Save stack pointer, for crash reports. |
| 235 | 28 clrf temp10+1 |
| 0 | 29 call init |
| 30 btfsc divemode ; Reset from Divemode? | |
| 31 call PLED_resetdebugger ; Yes! Something went wrong, show reset informations | |
| 306 | 32 start3: |
| 0 | 33 clrf STKPTR ; Clear Stackpointer |
| 359 | 34 lfsr FSR0,year+1 ; Clear rambank 1-9, do not delete RTC registers |
| 0 | 35 clear_rambank: |
| 36 clrf POSTINC0 | |
| 37 movlw 0x0A | |
| 38 cpfseq FSR0H ; Bank 9 done? | |
| 39 bra clear_rambank ; clear... | |
| 40 | |
| 41 ; Defaults for RTC | |
| 42 call disable_rs232 ; disable UART module | |
| 43 call RTCinit ; reset RTC | |
| 44 | |
| 45 ; Air pressure compensation after reset | |
| 46 call get_calibration_data ; Get calibration data from pressure sensor | |
| 47 | |
| 48 bcf pressure_refresh | |
| 49 wait_start_pressure: | |
| 50 btfss pressure_refresh ; Air pressure compensation | |
| 51 bra wait_start_pressure | |
| 52 | |
| 53 clrf rel_pressure+0 | |
| 54 clrf rel_pressure+1 | |
| 55 clrf surface_interval+0 | |
| 56 clrf surface_interval+1 | |
| 57 | |
| 58 bsf sleepmode ; Routine only works in sleepmode... | |
| 59 call pressuretest_sleep_fast ; Gets pressure without averaging (faster!) | |
| 60 bcf sleepmode ; Normal mode again | |
| 233 | 61 |
| 521 | 62 ; Extra power-up reset (JeanDo emulator) |
| 63 Ifdef TESTING | |
| 64 call reset_gases | |
| 65 call reset_all_cf | |
| 66 call reset_external_eeprom | |
| 67 | |
| 68 movlw LOW(.1000) | |
| 69 movwf amb_pressure+0 | |
| 70 movlw HIGH(.1000) | |
| 71 movwf amb_pressure+1 | |
| 72 Endif | |
| 73 | |
| 74 ; Get real pressure (if not in emulator mode) | |
| 75 Ifndef TESTING | |
| 507 | 76 SAFE_2BYTE_COPY amb_pressure_avg, amb_pressure ; copy for compatibility |
| 77 Endif | |
| 78 | |
| 79 movff amb_pressure+0,last_surfpressure+0 | |
| 80 movff amb_pressure+1,last_surfpressure+1 | |
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81 movff last_surfpressure+0,last_surfpressure_15min+0 |
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82 movff last_surfpressure+1,last_surfpressure_15min+1 |
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BUGFIX protect against ISR changing pressure/temperature while reading it.
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83 movff last_surfpressure+0,last_surfpressure_30min+0 |
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84 movff last_surfpressure+1,last_surfpressure_30min+1 ; Rests all airpressure registers |
| 0 | 85 |
| 86 ; reset deco data | |
| 236 | 87 ostc_debug '0' ; Sends debug-information to screen if debugmode active |
| 88 | |
| 0 | 89 movlw d'79' ; 79% N2 |
| 197 | 90 movff WREG,char_I_N2_ratio ; No He at the Surface |
| 236 | 91 clrf WREG ; Use as buffer |
| 92 movff WREG,char_I_He_ratio ; No He at the Surface | |
| 93 movff WREG,char_I_step_is_1min ; 2 second deco mode | |
| 94 GETCUSTOM8 d'11' ; Saturation multiplier % | |
| 95 movff WREG,char_I_saturation_multiplier | |
| 96 GETCUSTOM8 d'12' ; Desaturation multiplier % | |
| 97 movff WREG,char_I_desaturation_multiplier | |
| 507 | 98 movff amb_pressure+0,int_I_pres_respiration+0 ; copy for deco routine |
| 99 movff amb_pressure+1,int_I_pres_respiration+1 | |
| 100 movff int_I_pres_respiration+0,int_I_pres_surface+0 ; copy for desat routine | |
|
341
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101 movff int_I_pres_respiration+1,int_I_pres_surface+1 |
| 0 | 102 |
| 513 | 103 call deco_clear_tissue |
| 104 movlb b'00000001' ; select ram bank 1 | |
| 105 | |
|
508
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106 call divemode_check_decogases ; Setup N2/He ratio array |
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520
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BUGFIX bank1 error, deco_calc_wo_deco done twice in start routine.
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107 |
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BUGFIX bank1 error, deco_calc_wo_deco done twice in start routine.
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108 call calc_deko_surfmode ; calculate desaturation for one minute |
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BUGFIX bank1 error, deco_calc_wo_deco done twice in start routine.
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109 |
| 116 | 110 call deco_calc_desaturation_time ; calculate desaturation time |
| 111 call deco_clear_CNS_fraction ; clear CNS | |
|
520
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BUGFIX bank1 error, deco_calc_wo_deco done twice in start routine.
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112 movlb b'00000001' ; select ram bank 1 |
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BUGFIX bank1 error, deco_calc_wo_deco done twice in start routine.
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113 |
| 412 | 114 clrf nofly_time+0 ; Reset NoFly |
| 115 clrf nofly_time+1 ; Reset NoFly | |
| 116 bcf nofly_active ; Clear flag | |
| 0 | 117 |
| 118 ; check firmware and reset Custom Functions after an update | |
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Work-Around for "Reset all" overwriting 0x00 to 0x04 in EEPROM Bank1
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119 movlw d'1' |
| 0 | 120 movwf EEADR |
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384
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121 movlw d'1' |
| 0 | 122 movwf EEADRH |
| 123 call read_eeprom ; read current version x | |
| 124 movff EEDATA,temp1 | |
| 125 incf EEADR,F ; set to 0x102 | |
| 126 call read_eeprom ; read current version y | |
| 127 movff EEDATA,temp2 | |
| 128 clrf EEADRH ; Reset EEADRH | |
| 129 | |
| 130 movlw softwareversion_x | |
| 131 cpfseq temp1 ; compare version x | |
| 132 bra check_firmware_new ; is not equal -> reset CF and store new version in EEPROM | |
| 133 | |
| 134 movlw softwareversion_y | |
| 135 cpfseq temp2 ; compare version y | |
| 136 bra check_firmware_new ; is not equal -> reset CF and store new version in EEPROM | |
| 137 bra restart ; x and y are equal -> do not reset cf | |
| 138 | |
| 139 check_firmware_new: | |
|
384
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Work-Around for "Reset all" overwriting 0x00 to 0x04 in EEPROM Bank1
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140 movlw d'1' ; store current version in EEPROM |
| 0 | 141 movwf EEADR |
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384
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Work-Around for "Reset all" overwriting 0x00 to 0x04 in EEPROM Bank1
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142 movlw d'1' |
| 0 | 143 movwf EEADRH |
| 144 movlw softwareversion_x | |
| 145 movwf EEDATA | |
| 146 call write_eeprom ; write version x | |
| 147 incf EEADR,F ; set to 0x102 | |
| 148 movlw softwareversion_y | |
| 149 movwf EEDATA | |
| 150 call write_eeprom ; write version y | |
| 151 clrf EEADRH ; Reset EEADRH | |
| 392 | 152 |
| 500 | 153 ; After update resets |
| 154 ; Reset brightness to ECO | |
| 155 movlw LOW 0x104 | |
| 156 movwf EEADR | |
| 157 movlw HIGH 0x104 | |
| 158 movwf EEADRH ; OLED brightness (=0: Eco, =1: High) | |
| 159 movlw .0 | |
| 160 movwf EEDATA | |
| 161 call write_eeprom ; write byte | |
| 162 clrf EEADRH ; Reset EEADRH | |
| 0 | 163 |
| 164 restart: | |
| 390 | 165 movlw b'00000011' |
| 166 movwf T3CON ; Timer3 with 32768Hz clock running | |
| 167 clrf TMR3L | |
| 537 | 168 nop |
| 390 | 169 clrf TMR3H |
| 21 | 170 bcf LED_red |
| 171 bcf LED_blue ; all LEDs off | |
| 43 | 172 GETCUSTOM8 d'48' ; time correction value |
| 173 movff WREG, time_correction_value ; store in Bank0 register | |
| 15 | 174 |
| 175 clrf flag1 ; clear all flags | |
| 176 clrf flag2 | |
| 177 clrf flag3 | |
| 178 clrf flag4 | |
| 179 clrf flag5 | |
| 180 clrf flag6 | |
| 181 clrf flag7 | |
| 182 clrf flag8 | |
| 183 clrf flag9 | |
| 184 clrf flag10 | |
| 185 clrf flag11 | |
| 186 clrf flag12 | |
| 187 clrf flag13 | |
| 188 clrf flag14 | |
| 189 clrf flag15 | |
| 153 | 190 |
|
169
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Merge decoplan display for both GF and Buhlmann models.
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191 ; Should we set win_flip_screen ? |
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Merge decoplan display for both GF and Buhlmann models.
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192 bsf flag1,0 ; Precondition to yes |
| 153 | 193 clrf EEADRH ; Reset EEADRH |
| 194 read_int_eeprom d'1' | |
| 195 movlw .7 | |
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169
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196 cpfsgt EEDATA ; serial > 2048 (Mk2n hardware) ? |
| 153 | 197 bcf flag1,0 |
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169
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198 incf EEDATA,W ; serial == 65535 (emulation) ? |
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Merge decoplan display for both GF and Buhlmann models.
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199 btfsc STATUS,Z |
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Merge decoplan display for both GF and Buhlmann models.
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200 bcf flag1,0 |
| 153 | 201 movff flag1,win_flags ; store in Bank0 register |
| 202 clrf flag1 ; Clear flag1 (again) | |
| 239 | 203 |
| 204 ; Select high altitude (Fly) mode? | |
| 205 movff last_surfpressure_30min+0,sub_b+0 | |
| 206 movff last_surfpressure_30min+1,sub_b+1 | |
| 207 movlw HIGH d'880' | |
| 208 movwf sub_a+1 | |
| 209 movlw LOW d'880' ; Hard-wired 880mBar | |
| 210 movwf sub_a+0 | |
| 211 call sub16 ; sub_c = sub_a - sub_b | |
| 212 btfss neg_flag ; Result negative (Ambient>880mBar)? | |
| 213 bsf high_altitude_mode ; No, Set Flag! | |
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Merge decoplan display for both GF and Buhlmann models.
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214 |
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215 ; Should we disable sleep (hardware emulator) |
| 507 | 216 Ifndef TESTING |
| 390 | 217 restart_loop: |
| 218 btfss 0xF81,0,A | |
| 219 bra restart_loop | |
| 220 btfss 0xF81,1,A | |
| 221 bra restart_loop | |
| 222 movlw 0x80 | |
| 223 cpfslt 0xFB3,A | |
| 167 | 224 bsf nsm ; NO-SLEEP-MODE : for hardware debugging |
| 507 | 225 Endif |
| 153 | 226 |
| 142 | 227 call gassetup_sort_gaslist ; Sorts Gaslist according to change depth |
| 0 | 228 WIN_TOP .0 |
| 229 WIN_LEFT .0 | |
| 230 WIN_FONT FT_SMALL | |
| 231 WIN_INVERT .0 ; Init new Wordprocessor | |
|
83
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232 setf WREG |
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233 movff WREG,win_color1 ; Beware: win_color1 is bank0, and we are bank1 currently |
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234 movff WREG,win_color2 |
| 0 | 235 call I2CReset ; Just in Case any I2C device blocks the Bus |
| 236 movff last_surfpressure_30min+0,last_surfpressure+0 ; Use 30min old airpressure | |
| 237 movff last_surfpressure_30min+1,last_surfpressure+1 ; Use 30min old airpressure | |
| 238 | |
| 239 ; Check if new CF were added in the last firmware version | |
| 240 clrf EEADRH | |
| 241 read_int_eeprom d'92' ; Read number of CF used in this firmware | |
| 242 movlw max_custom_number ; Defined in definitions.asm | |
| 243 cpfseq EEDATA ; Compare with last version | |
| 244 bra restart_01 ; New CF, show warning and store new number | |
| 245 bra restart_1 ; No new CF, continue with boot | |
| 246 restart_01: | |
| 247 ; Save new number of current CF count | |
|
411
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BUGFIX: CNS was not cleared with a "Reset Deco"
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248 call PLED_boot ; PLED boot (Incl. Clear Screen!) |
| 0 | 249 rcall display_new_cf_installed; Show warning |
| 250 movlw max_custom_number ; Defined in definitions.asm | |
| 251 movwf EEDATA | |
| 252 write_int_eeprom d'92' ; Store number of CF used in this firmware | |
| 253 | |
| 254 restart_1: | |
| 255 | |
| 256 ; Set Debug mode? | |
| 257 read_int_eeprom d'39' | |
| 258 bsf debug_mode | |
| 259 movlw d'1' | |
| 260 cpfseq EEDATA | |
| 261 bcf debug_mode ; clear flag if <> 1 | |
| 262 | |
|
362
64da813d4726
Logbook converter (Needs ~8Minutes and is called one time). Backup your dives before use!!
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263 ; Check if logbook has been converted already (Internal EEPROM 0x100=0xAA) |
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64da813d4726
Logbook converter (Needs ~8Minutes and is called one time). Backup your dives before use!!
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264 movlw LOW 0x100 |
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64da813d4726
Logbook converter (Needs ~8Minutes and is called one time). Backup your dives before use!!
Heinrichsweikamp
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265 movwf EEADR |
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64da813d4726
Logbook converter (Needs ~8Minutes and is called one time). Backup your dives before use!!
Heinrichsweikamp
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359
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266 movlw HIGH 0x100 |
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64da813d4726
Logbook converter (Needs ~8Minutes and is called one time). Backup your dives before use!!
Heinrichsweikamp
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359
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267 movwf EEADRH |
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64da813d4726
Logbook converter (Needs ~8Minutes and is called one time). Backup your dives before use!!
Heinrichsweikamp
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359
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268 call read_eeprom ; read byte |
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64da813d4726
Logbook converter (Needs ~8Minutes and is called one time). Backup your dives before use!!
Heinrichsweikamp
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359
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269 movlw 0xAA |
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64da813d4726
Logbook converter (Needs ~8Minutes and is called one time). Backup your dives before use!!
Heinrichsweikamp
parents:
359
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changeset
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270 cpfseq EEDATA ; is 0xAA already? |
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64da813d4726
Logbook converter (Needs ~8Minutes and is called one time). Backup your dives before use!!
Heinrichsweikamp
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359
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271 call logbook_convert_64k ; No, convert now (And write 0xAA to internal EEPROM 0x100) |
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64da813d4726
Logbook converter (Needs ~8Minutes and is called one time). Backup your dives before use!!
Heinrichsweikamp
parents:
359
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272 |
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499
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Added OLED brightness setting, texts 280, 312 and 313 need update
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273 ; Set OLED brightness flag |
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Added OLED brightness setting, texts 280, 312 and 313 need update
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274 movlw LOW 0x104 |
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2ac77db9c150
Added OLED brightness setting, texts 280, 312 and 313 need update
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275 movwf EEADR |
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Added OLED brightness setting, texts 280, 312 and 313 need update
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276 movlw HIGH 0x104 |
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2ac77db9c150
Added OLED brightness setting, texts 280, 312 and 313 need update
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277 movwf EEADRH ; OLED brightness (=0: Eco, =1: High) |
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2ac77db9c150
Added OLED brightness setting, texts 280, 312 and 313 need update
heinrichsweikamp
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278 call read_eeprom ; read byte |
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2ac77db9c150
Added OLED brightness setting, texts 280, 312 and 313 need update
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279 bcf oled_brightness_high ; Eco mode |
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2ac77db9c150
Added OLED brightness setting, texts 280, 312 and 313 need update
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280 movlw .0 |
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2ac77db9c150
Added OLED brightness setting, texts 280, 312 and 313 need update
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281 cpfseq EEDATA ; High? |
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2ac77db9c150
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282 bsf oled_brightness_high ; Yes! |
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2ac77db9c150
Added OLED brightness setting, texts 280, 312 and 313 need update
heinrichsweikamp
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283 |
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Added OLED brightness setting, texts 280, 312 and 313 need update
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284 clrf EEADRH ; Reset EEADRH |
| 0 | 285 goto surfloop ; Jump to Surfaceloop! |
| 286 | |
| 287 | |
| 288 display_new_cf_installed: | |
| 289 call PLED_new_cf_warning ; Display new CF warning screen | |
| 290 movlw d'20' ; timeout for warning screen | |
| 291 bra startup_screen3a ; Will RETURN after timeout or button press | |
| 197 | 292 |
| 293 ;============================================================================= | |
| 294 ; Setup all flags and parameters for divemode and simulator computations. | |
| 295 ; | |
| 296 restart_set_modes_and_flags: ; "Call"ed from divemode, as well! | |
| 0 | 297 bcf gauge_mode |
| 298 bcf FLAG_const_ppO2_mode | |
| 299 bcf FLAG_apnoe_mode | |
| 45 | 300 |
| 301 ; Pre-load modes for OC, GF 90/90 and no Aponoe or Gauge. | |
| 197 | 302 bcf no_deco_customviews ; Clear no-deco-mode-flag |
| 45 | 303 movlw d'0' |
| 469 | 304 movff WREG,char_I_deco_model ; ZH-L16 |
| 45 | 305 ; Load GF values into RAM |
| 306 movlw d'90' | |
| 197 | 307 movff WREG,char_I_GF_Low_percentage |
| 308 movff WREG,char_I_GF_High_percentage ; Set to 90/90... | |
| 0 | 309 clrf EEADRH |
| 197 | 310 read_int_eeprom d'34' ; Read deco data |
| 311 movlw d'1' ; Gauge mode | |
| 0 | 312 cpfseq EEDATA |
| 197 | 313 bra restart_3_test_ppO2_mode ; check for ppO2 mode |
| 314 bsf gauge_mode ; Set flag for gauge mode | |
| 315 bsf no_deco_customviews ; Set no-deco-mode-flag | |
| 316 return ; start in Surfacemode | |
| 0 | 317 restart_3_test_ppO2_mode: |
| 197 | 318 movlw d'2' ; const ppO2 mode |
| 0 | 319 cpfseq EEDATA |
| 197 | 320 bra restart_3_test_apnoe_mode; check for apnoe mode |
| 321 bsf FLAG_const_ppO2_mode ; Set flag for ppO2 mode | |
| 322 return ; start in Surfacemode | |
| 0 | 323 restart_3_test_apnoe_mode: |
| 197 | 324 movlw d'3' ; Apnoe mode |
| 0 | 325 cpfseq EEDATA |
| 197 | 326 bra restart_4_test_gf_mode ; check for GF OC mode |
| 327 bsf FLAG_apnoe_mode ; Set flag for Apnoe Mode | |
| 328 bsf no_deco_customviews ; Set no-deco-mode-flag | |
| 329 return ; start in Surfacemode | |
| 0 | 330 restart_4_test_gf_mode: |
| 197 | 331 movlw d'4' ; GF OC mode |
| 0 | 332 cpfseq EEDATA |
| 197 | 333 bra restart_5_test_gfO2_mode ; check for GF CC mode |
| 0 | 334 movlw d'1' |
| 197 | 335 movff WREG,char_I_deco_model ; Set Flagbyte for GF method |
| 45 | 336 ; Load GF values into RAM |
| 197 | 337 GETCUSTOM8 d'32' ; GF low |
| 338 movff EEDATA,char_I_GF_Low_percentage | |
| 339 GETCUSTOM8 d'33' ; GF high | |
| 340 movff EEDATA,char_I_GF_High_percentage | |
| 341 return ; start in Surfacemode | |
| 0 | 342 restart_5_test_gfO2_mode: |
| 197 | 343 movlw d'5' ; GF CC mode |
| 0 | 344 cpfseq EEDATA |
| 197 | 345 return ; Start in Surfacemode |
| 346 bsf FLAG_const_ppO2_mode ; Set flag for ppO2 mode | |
| 0 | 347 movlw d'1' |
| 197 | 348 movff WREG,char_I_deco_model ; Set Flagbyte for GF method |
| 137 | 349 ; Load GF values into RAM |
| 197 | 350 GETCUSTOM8 d'32' ; GF low |
| 163 | 351 movff EEDATA,char_I_GF_Low_percentage |
| 197 | 352 GETCUSTOM8 d'33' ; GF high |
| 163 | 353 movff EEDATA,char_I_GF_High_percentage |
| 197 | 354 return ; start in Surfacemode |
| 355 | |
| 356 ;============================================================================= | |
| 0 | 357 |
| 358 startup_screen1: | |
| 359 call PLED_ClearScreen | |
| 360 call PLED_startupscreen1 ; show startup sreen | |
| 361 startup_screen1_2: | |
| 362 movlw d'10' ; timeout for startup screen | |
| 363 movwf temp1 | |
| 364 WAITMS d'200' | |
| 365 bcf switch_left | |
| 366 bcf switch_right | |
| 367 screen1_loop: | |
| 337 | 368 btfsc uart_dump_screen ; Asked to dump screen contains ? |
| 369 call dump_screen ; Yes! | |
| 370 | |
| 0 | 371 btfsc onesecupdate ; do every second tasks? |
| 372 call set_dive_modes ; tests if depth>threshold | |
| 373 btfsc onesecupdate ; do every second tasks? | |
| 374 decf temp1,F | |
| 375 bcf onesecupdate ; every second tasks done | |
| 376 | |
| 377 tstfsz temp1 ; timout occured? | |
| 378 bra screen1_loop2 ; no | |
| 379 return | |
| 380 | |
| 381 screen1_loop2: | |
| 382 btfsc divemode ; Divemode active? | |
| 383 return | |
| 384 btfsc switch_left ; Ack? | |
| 385 return | |
| 386 btfsc switch_right ; Ack? | |
| 387 return | |
| 388 bra screen1_loop ; loop screen | |
| 389 | |
| 390 startup_screen2: | |
| 391 call PLED_ClearScreen ; Page 1 | |
| 392 call PLED_startupscreen2 ; show startup sreen | |
| 393 bra startup_screen1_2 | |
| 394 | |
| 395 startup_screen3a:; WARNING: Also used for decodescriptions and CF Warning screen! | |
| 396 movwf temp1 | |
| 397 WAITMS d'200' | |
| 398 bcf switch_left | |
| 399 bcf switch_right | |
| 400 screen3_loop: | |
| 337 | 401 btfsc uart_dump_screen ; Asked to dump screen contains ? |
| 402 call dump_screen ; Yes! | |
| 403 | |
| 0 | 404 btfsc onesecupdate ; do every second tasks? |
| 405 call set_dive_modes ; tests if depth>threshold | |
| 406 | |
| 407 btfsc onesecupdate ; do every second tasks? | |
| 408 decf temp1,F | |
| 409 bcf onesecupdate ; every second tasks done | |
| 410 | |
| 411 tstfsz temp1 ; timout occured? | |
| 412 bra screen3_loop2 ; no | |
| 413 return | |
| 414 screen3_loop2: | |
| 415 btfsc switch_left ; Ack? | |
| 416 return | |
| 417 btfsc switch_right ; Ack? | |
| 418 return | |
| 419 bra screen3_loop ; loop screen | |
| 420 | |
| 337 | 421 ;============================================================================= |
| 422 | |
| 306 | 423 first_start: |
| 424 movlw max_custom_number ; Defined in definitions.asm | |
| 425 movwf EEDATA | |
| 426 write_int_eeprom d'92' ; Store number of CF used in this firmware | |
| 427 bra start3 ; continue with normal start | |
| 428 | |
| 0 | 429 init: |
| 466 | 430 movlw OSCCON_VALUE |
| 0 | 431 movwf OSCCON |
| 432 | |
| 433 movlw b'00010001' ; I/O Ports | |
| 434 movwf TRISA | |
| 435 clrf PORTA | |
| 436 movlw b'00000011' | |
| 437 movwf TRISB | |
| 438 clrf PORTB | |
| 439 movlw b'11011101' ; UART | |
| 440 movwf TRISC | |
| 441 clrf PORTC | |
| 442 movlw b'00000000' | |
| 443 movwf TRISE | |
| 444 clrf PORTE | |
| 445 movlw b'00000000' | |
| 446 movwf TRISD | |
| 447 clrf PORTD | |
| 448 | |
| 449 movlw b'01000000' ; Bit6: PPL enable | |
| 450 movwf OSCTUNE | |
| 451 | |
| 466 | 452 movlw T0CON_VALUE ; Timer0 |
| 0 | 453 movwf T0CON |
| 454 | |
| 455 movlw b'00000111' ; Timer1 | |
| 456 movwf T1CON | |
| 457 | |
| 458 movlw b'11010000' ; Interrups | |
| 459 movwf INTCON | |
| 460 movlw b'00000101' | |
| 461 movwf INTCON2 | |
| 462 movlw b'00001000' | |
| 463 movwf INTCON3 | |
| 464 movlw b'00100001' | |
| 465 movwf PIE1 | |
| 466 movlw b'00000000' | |
| 467 movwf PIE2 | |
| 468 clrf RCON | |
| 469 | |
| 470 movlw b'00000000' ; A/D Converter | |
| 471 movwf ADCON0 | |
| 472 movlw b'00001110' | |
| 473 movwf ADCON1 | |
| 474 movlw b'10001010' ; Right justified | |
| 475 movwf ADCON2 | |
| 476 | |
| 477 clrf SSPCON1 ; Set I²C Mode | |
| 537 | 478 movlw SSPSTAT_VALUE |
| 0 | 479 movwf SSPSTAT |
| 480 movlw b'00101000' | |
| 481 movwf SSPCON1 | |
| 482 movlw b'00000000' | |
| 483 movwf SSPCON2 | |
| 466 | 484 movlw SSPADD_VALUE ; I²C Speed |
| 0 | 485 movwf SSPADD |
| 486 | |
| 487 clrf CCP1CON ; PWM Module off | |
| 488 clrf ECCP1CON ; PWM Module off | |
| 489 | |
| 490 movlw b'00000111' ; Comperator Module off | |
| 491 movwf CMCON | |
| 492 | |
| 493 movlw b'00100000' | |
| 494 movwf CANCON ; ECAN Module OFF | |
| 495 | |
| 496 movlw b'00100100' ; UART | |
| 497 movwf TXSTA | |
| 498 movlw b'10010000' | |
| 499 movwf RCSTA | |
| 500 movlw b'00001000' | |
| 501 movwf BAUDCON | |
| 502 clrf SPBRGH | |
| 466 | 503 movlw SPBRG_VALUE |
| 0 | 504 movwf SPBRG |
| 505 clrf RCREG | |
| 506 clrf PIR1 | |
| 507 return |