Mercurial > public > hwos_code
annotate src/start.asm @ 24:f51caad821b4
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| author | heinrichsweikamp |
|---|---|
| date | Mon, 08 Jul 2013 14:57:13 +0200 |
| parents | e402813343b6 |
| children | 76dfe320e6ec |
| rev | line source |
|---|---|
| 0 | 1 ;============================================================================= |
| 2 ; | |
| 3 ; File start.asm | |
| 4 ; | |
| 5 ; Startup subroutines | |
| 6 ; | |
| 7 ; Copyright (c) 2011, JD Gascuel, HeinrichsWeikamp, all right reserved. | |
| 8 ;============================================================================= | |
| 9 ; HISTORY | |
| 10 ; 2011-08-06 : [mH] moving from OSTC code | |
| 11 | |
| 12 #include "ostc3.inc" ; Mandatory header | |
| 13 #include "ms5541.inc" | |
| 14 #include "isr.inc" | |
| 15 #include "shared_definitions.h" ; Mailbox from/to p2_deco.c | |
| 16 #include "eeprom_rs232.inc" | |
| 17 #include "math.inc" | |
| 18 #include "tft.inc" | |
| 19 #include "surfmode.inc" | |
| 20 #include "wait.inc" | |
| 21 #include "rtc.inc" | |
| 22 #include "external_flash.inc" | |
| 23 #include "convert.inc" | |
| 24 #include "strings.inc" | |
| 25 #include "tft_outputs.inc" | |
| 26 | |
| 27 extern init_ostc3 | |
| 28 extern option_restore_all | |
| 29 | |
| 30 ;============================================================================= | |
| 31 ; Reset vector: What to do on device wake-up and hard reset. | |
| 32 ; | |
| 33 reset_v code 0x00000 | |
| 34 ; goto start | |
| 35 goto 0x1FF00 ; Bootloader | |
| 36 | |
| 37 ORG 0x00004 ; Needed for second-level bootloader | |
| 38 goto start | |
| 39 ;============================================================================= | |
| 40 boot CODE | |
| 41 global start | |
| 42 | |
| 43 start: | |
| 44 lfsr FSR0,0x000 ; Clear rambank 0-14 | |
| 45 clear_rambank: | |
| 46 clrf POSTINC0 | |
| 47 movlw 0x0F | |
| 48 cpfseq FSR0H ; Bank 14 done? | |
| 49 bra clear_rambank ; clear... | |
| 50 | |
| 51 call init_ostc3 | |
| 52 call speed_normal | |
| 53 | |
| 54 bsf no_sensor_int ; disable sensor interrupt | |
| 55 | |
| 56 call disable_rs232 ; disable UART module | |
| 57 ; Air pressure compensation after reset | |
| 58 call get_calibration_data ; Get calibration data from pressure sensor | |
| 59 banksel common ; get_calibration_data uses isr_backup | |
| 60 bcf no_sensor_int ; normal sensor interrupt mode | |
| 61 | |
| 10 | 62 call TFT_DisplayOff ; display off |
| 63 bsf LEDr ; Status LED | |
| 0 | 64 bcf pressure_refresh |
| 65 ; First pass will not have valid temperature! | |
| 66 btfss pressure_refresh ; Air pressure compensation | |
| 67 bra $-2 | |
| 68 ; Second pass | |
| 69 bcf pressure_refresh | |
| 70 btfss pressure_refresh ; Air pressure compensation | |
| 71 bra $-2 | |
| 10 | 72 bcf LEDr |
| 0 | 73 |
| 74 clrf rel_pressure+0 | |
| 75 clrf rel_pressure+1 | |
| 76 clrf surface_interval+0 | |
| 77 clrf surface_interval+1 | |
| 78 | |
| 79 SAFE_2BYTE_COPY amb_pressure, last_surfpressure | |
| 80 | |
| 81 movlw LOW max_surfpressure | |
| 82 movff WREG,sub_a+0 ; max. "allowed" airpressure in mbar | |
| 83 movlw HIGH max_surfpressure | |
| 84 movff WREG,sub_a+1 ; max. "allowed" airpressure in mbar | |
| 85 movff last_surfpressure+0,sub_b+0 | |
| 86 movff last_surfpressure+1,sub_b+1 | |
| 87 call subU16 ; sub_c = sub_a - sub_b | |
| 88 btfss neg_flag ; Is 1080mbar < amb_pressure ? | |
| 89 bra start_copy_pressure ; NO: current airpressure is lower then "allowed" airpressure, ok! | |
| 90 | |
| 91 ; not ok! Overwrite with max. "allowed" airpressure | |
| 92 movlw LOW max_surfpressure | |
| 93 movff WREG,last_surfpressure+0 ; max. "allowed" airpressure in mbar | |
| 94 movlw HIGH max_surfpressure | |
| 95 movff WREG,last_surfpressure+1 ; max. "allowed" airpressure in mbar | |
| 96 | |
| 97 start_copy_pressure: | |
| 98 movff last_surfpressure+0,last_surfpressure_15min+0 | |
| 99 movff last_surfpressure+1,last_surfpressure_15min+1 | |
| 100 movff last_surfpressure+0,last_surfpressure_30min+0 | |
| 101 movff last_surfpressure+1,last_surfpressure_30min+1 ; Rests all airpressure registers | |
| 102 | |
| 103 ; reset deco data for surface mode | |
| 104 movlw d'79' | |
| 105 movff WREG,char_I_N2_ratio ; 79% N2 | |
| 106 SAFE_2BYTE_COPY amb_pressure,int_I_pres_respiration ; copy for deco routine | |
| 107 movff int_I_pres_respiration+0,int_I_pres_surface+0 ; copy for desat routine | |
| 108 movff int_I_pres_respiration+1,int_I_pres_surface+1 | |
| 109 | |
| 110 extern deco_reset | |
| 111 call deco_reset | |
| 112 call deco_calc_desaturation_time ; calculate desaturation time | |
| 113 banksel common | |
| 114 call deco_calc_wo_deco_step_1_min ; calculate deco in surface mode | |
| 115 banksel common | |
| 116 clrf nofly_time+0 ; Reset NoFly | |
| 117 clrf nofly_time+1 | |
| 118 clrf desaturation_time+0 ; Reset Desat | |
| 119 clrf desaturation_time+1 | |
| 120 bcf menubit ; clear menu flag | |
| 121 ; Check for Power-on reset here | |
| 122 extern new_battery_menu | |
| 123 extern use_old_batteries | |
| 124 | |
| 125 btfsc RCON,POR ; Was this a power-on reset? | |
| 126 goto use_old_batteries ; No, load last stored battery values | |
| 127 ; "new_battery_menu" and "use_old_batteries" 'goto' back to "power_on_return" | |
| 128 | |
| 129 ; Yes | |
| 130 call rtc_init ; init clock | |
| 131 goto new_battery_menu ; show "New battery dialog" | |
| 132 ; "new_battery_menu" and "use_old_batteries" 'goto' back to "power_on_return" | |
| 133 | |
| 134 global power_on_return | |
| 135 power_on_return: | |
| 136 bsf RCON,POR ; Set bit for next detection | |
| 137 | |
| 138 ; check firmware and reset Custom Functions after an update | |
| 139 movlw d'1' | |
| 140 movwf EEADR | |
| 141 movlw d'1' | |
| 142 movwf EEADRH | |
| 143 call read_eeprom ; read current version x | |
| 144 movff EEDATA,temp1 | |
| 145 incf EEADR,F ; set to 0x102 | |
| 146 call read_eeprom ; read current version y | |
| 147 movff EEDATA,temp2 | |
| 148 clrf EEADRH ; Reset EEADRH | |
| 149 | |
| 150 movlw softwareversion_x | |
| 151 cpfseq temp1 ; compare version x | |
| 152 bra check_firmware_new ; is not equal -> reset CF and store new version in EEPROM | |
| 153 | |
| 154 movlw softwareversion_y | |
| 155 cpfseq temp2 ; compare version y | |
| 156 bra check_firmware_new ; is not equal -> reset CF and store new version in EEPROM | |
| 157 bra restart ; x and y are equal -> do not reset cf | |
| 158 | |
| 159 check_firmware_new: | |
| 160 call speed_normal | |
| 161 call TFT_boot ; Initialize TFT (includes clear screen) | |
| 162 clrf CCPR1L ; Backlight off | |
| 163 WIN_TOP .50 | |
| 164 WIN_LEFT .10 | |
| 165 movlw LOW 0x1E000 | |
| 166 movwf TBLPTRL | |
| 167 movlw HIGH 0x1E000 | |
| 168 movwf TBLPTRH | |
| 169 movlw UPPER 0x1E000 | |
| 170 movwf TBLPTRU | |
| 171 extern color_image | |
| 172 call color_image ; Show logo | |
| 173 call TFT_standard_color | |
| 174 WIN_SMALL .10,.100 | |
| 175 STRCPY_TEXT_PRINT tNewFirmware1 ; "Update sucessfull!" | |
| 176 WIN_SMALL .10,.140 | |
| 177 STRCPY_TEXT tNewFirmware2 ; "New Firmware: " | |
| 178 movlw softwareversion_x | |
| 179 movwf lo | |
| 180 bsf leftbind | |
| 181 output_8 | |
| 182 PUTC "." | |
| 183 movlw softwareversion_y | |
| 184 movwf lo | |
| 185 output_8 | |
| 186 bcf leftbind | |
| 187 STRCAT_PRINT "" ; Print second row | |
| 188 call TFT_Display_FadeIn ; Display resulting surface screen. | |
| 189 | |
| 190 ; place "after-update reset" here... | |
| 191 movlw d'1' ; store current version in EEPROM | |
| 192 movwf EEADR | |
| 193 movlw d'1' | |
| 194 movwf EEADRH | |
| 195 movlw softwareversion_x | |
| 196 movwf EEDATA | |
| 197 call write_eeprom ; write version x | |
| 198 incf EEADR,F ; set to 0x102 | |
| 199 movlw softwareversion_y | |
| 200 movwf EEDATA | |
| 201 call write_eeprom ; write version y | |
| 202 clrf EEADRH ; Reset EEADRH | |
| 203 | |
| 204 movlw .7 | |
| 205 movwf lo | |
| 206 check_firmware_new2: | |
| 207 ; Wait 1 second | |
| 208 bcf onesecupdate | |
| 209 btfss onesecupdate | |
| 210 bra $-2 | |
| 211 decfsz lo,F ; Wait 10 seconds... | |
| 212 bra check_firmware_new2 | |
| 213 | |
| 214 global restart | |
| 215 restart: | |
| 216 clrf STKPTR ; Never return from here | |
|
21
79b2084fd75a
Reset options to default if they are not within the allowed min/max values
heinrichsweikamp
parents:
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217 extern option_save_all, option_check_all |
|
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Reset options to default if they are not within the allowed min/max values
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218 |
| 0 | 219 btfsc menubit ; Return from Menu/COMM mode or timeout? |
| 220 call option_save_all ; Yes, save all settings into EEPROM | |
| 221 | |
|
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new option to switch samplingrate between 10s and 2s
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parents:
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222 call option_check_all ; Check all options (and reset if not within their min/max boundaries) |
|
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223 |
| 0 | 224 clrf flag1 ; clear all flags |
| 225 clrf flag2 | |
| 226 clrf flag3 | |
| 227 clrf flag4 | |
| 228 clrf flag5 | |
| 229 clrf flag6 | |
| 230 clrf flag7 | |
| 231 clrf flag8 | |
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calm compass reading for minor heading changes
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232 clrf flag9 |
| 0 | 233 bsf tft_is_dimming ; TFT is dimming up (soon), ignore ambient sensor! |
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23
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234 |
| 0 | 235 ; Select high altitude (Fly) mode? |
| 236 movff last_surfpressure_30min+0,sub_b+0 | |
| 237 movff last_surfpressure_30min+1,sub_b+1 | |
| 238 movlw HIGH high_altitude_threshold | |
| 239 movwf sub_a+1 | |
| 240 movlw LOW high_altitude_threshold ; Hard-wired 880mbar | |
| 241 movwf sub_a+0 | |
| 242 call subU16 ; sub_c = sub_a - sub_b | |
| 243 btfss neg_flag ; Result negative (Ambient>880mbar)? | |
| 244 bsf high_altitude_mode ; No, Set Flag! | |
| 245 | |
| 246 call ext_flash_disable_protection ; Disable write protection for external flash | |
| 247 | |
| 248 extern testloop | |
| 249 ; goto testloop | |
| 250 | |
| 251 goto surfloop ; Jump to Surfaceloop! | |
| 252 | |
| 253 ;============================================================================= | |
| 254 ; Setup all flags and parameters for divemode and simulator computations. | |
| 255 ; | |
| 256 global restart_set_modes_and_flags | |
| 257 restart_set_modes_and_flags: ; "Call"ed from divemode, as well! | |
| 258 call option_restore_all ; Restore everything from EEPROM | |
| 24 | 259 |
| 260 ; Setup sampling rate | |
| 261 movlw .2 | |
| 262 movwf samplingrate | |
| 263 TSTOSS opt_sampling_rate ; =1: 10s, =0: 2s | |
| 264 bra restart_set_modes_and_flags1 | |
| 265 movlw .10 | |
| 266 movwf samplingrate | |
| 267 restart_set_modes_and_flags1: | |
| 0 | 268 movff opt_dive_mode,lo ; 0=OC, 1=CC, 2=Gauge, 3=Apnea |
| 269 | |
| 270 bcf FLAG_apnoe_mode | |
| 271 bcf FLAG_ccr_mode ; =1: CCR mode (Fixed ppO2 or Sensor) active | |
| 272 bcf FLAG_gauge_mode ; =1: In Gauge mode | |
| 273 call disable_ir ; IR off | |
| 274 | |
| 275 tstfsz lo | |
| 276 bra restart_set_modes_and_flags2 | |
| 277 ; OC Mode | |
| 278 return | |
| 279 | |
| 280 restart_set_modes_and_flags2: | |
| 281 decfsz lo,F | |
| 282 bra restart_set_modes_and_flags3 | |
| 283 ; CC Mode | |
| 284 bsf FLAG_ccr_mode ; =1: CCR mode (Fixed ppO2 or Sensor) active | |
| 285 call enable_ir ; Enable IR-Port | |
| 286 return | |
| 287 | |
| 288 restart_set_modes_and_flags3: | |
| 289 decfsz lo,F | |
| 290 bra restart_set_modes_and_flags4 | |
| 291 ; Gauge Mode | |
| 292 bsf FLAG_gauge_mode ; =1: In Gauge mode | |
| 293 return | |
| 294 | |
| 295 restart_set_modes_and_flags4: | |
| 296 ; Apnea Mode | |
| 297 bsf FLAG_apnoe_mode | |
| 298 return ; start in Surfacemode | |
| 299 | |
| 300 END |