Mercurial > public > hwos_code
annotate src/sleepmode.asm @ 638:a3b21497d17e
Merge
| author | heinrichsweikamp |
|---|---|
| date | Mon, 25 May 2020 17:36:50 +0200 |
| parents | 4050675965ea |
| children | 8c1f1f334275 |
| rev | line source |
|---|---|
| 0 | 1 ;============================================================================= |
| 2 ; | |
| 634 | 3 ; File sleepmode.asm * combined next generation V3.09.4n |
| 0 | 4 ; |
| 623 | 5 ; Sleep Mode |
| 0 | 6 ; |
| 7 ; Copyright (c) 2011, JD Gascuel, HeinrichsWeikamp, all right reserved. | |
| 582 | 8 ;============================================================================== |
| 0 | 9 ; HISTORY |
| 10 ; 2011-08-12 : [mH] moving from OSTC code | |
| 11 | |
| 582 | 12 #include "hwos.inc" ; Mandatory header |
| 13 #include "shared_definitions.h" ; Mailbox from/to p2_deco.c | |
| 14 #include "surfmode.inc" | |
| 15 #include "tft.inc" | |
| 16 #include "start.inc" | |
| 17 #include "adc_lightsensor.inc" | |
| 18 #include "math.inc" | |
| 19 #include "ms5541.inc" | |
| 20 #include "eeprom_rs232.inc" | |
| 21 #include "external_flash.inc" | |
| 22 #include "ghostwriter.inc" | |
| 23 #include "i2c.inc" | |
| 24 #include "mcp.inc" | |
| 623 | 25 #include "wait.inc" |
| 629 | 26 #include "tft_outputs.inc" |
| 0 | 27 |
|
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28 |
| 631 | 29 extern eeprom_deco_data_write |
| 30 extern option_check_and_store_all | |
| 623 | 31 extern power_up_switches ; from hwos.asm |
| 582 | 32 |
| 33 | |
| 623 | 34 ;---- Private local Variables ------------------------------------------------- |
|
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|
35 |
| 582 | 36 CBLOCK local1 ; max size is 16 Byte !!! |
| 623 | 37 accel_reference ; acceleration reference value for detecting movement / terminating deep sleep |
| 38 sm_timer_10sec ; timer for 10 seconds tasks (pressure check) | |
| 39 sm_timer_10min ; timer for 10 minutes tasks (tissue updating) | |
| 628 | 40 ;sm_timer_15min ; timer for 15 minutes tasks (entering deep sleep) |
| 41 sm_10min_counter ; count #of 10 minutes | |
| 623 | 42 loop_counter ; loop counter, used in init_avg_switches routine |
| 43 sm_flags ; local flags | |
| 44 ENDC ; used: 6 byte, remaining: 10 byte | |
| 582 | 45 |
| 46 | |
| 623 | 47 ;---- Private local Flags ----------------------------------------------------- |
| 48 | |
| 49 #DEFINE deep_sleep sm_flags,0 ; =1: in deep sleep mode, =0: normal sleep | |
| 50 #DEFINE desat_on_10_mins sm_flags,1 ; =1: calculate desaturation every 10 minutes, =0: every minute | |
| 628 | 51 #DEFINE charge_in_sleep sm_flags,2 ; =1: show charging screen |
| 623 | 52 ; sm_flags,3 ; unused |
| 53 ; sm_flags,4 ; unused | |
| 54 ; sm_flags,5 ; unused | |
| 55 ; sm_flags,6 ; unused | |
| 56 ; sm_flags,7 ; unused | |
| 57 | |
| 58 | |
| 634 | 59 ;============================================================================= |
| 623 | 60 slmode CODE |
| 582 | 61 ;============================================================================== |
| 0 | 62 |
| 634 | 63 |
| 64 ;----------------------------------------------------------------------------- | |
| 65 ; Entry Point for Sleep Mode | |
| 66 ; | |
| 0 | 67 global sleeploop |
| 623 | 68 sleeploop: |
| 69 clrf STKPTR ; clear return addresses stack | |
| 70 call request_speed_normal ; request CPU speed switch to normal speed | |
| 71 | |
| 72 bcf LEDg ; turn off green LED / release reset to RX circuitry | |
| 73 bcf LEDr ; turn off red LED | |
| 604 | 74 |
| 75 IFDEF _screendump | |
| 623 | 76 bcf screen_dump_avail ; disable screen dump function |
| 77 ENDIF | |
| 78 | |
| 79 bsf sleepmode ; flag being in sleep mode | |
| 80 bsf block_sensor_interrupt ; suspend ISR from executing sensor interrupts | |
| 81 | |
| 634 | 82 call disable_ir_s8_analog ; power-down IR/S8/analog interface |
| 623 | 83 call mcp_sleep ; power-down RX power supply |
| 604 | 84 |
| 85 clrf ADCON0 ; power-down ADC module | |
| 623 | 86 call disable_rs232 ; power-down USB |
| 87 call I2C_sleep_compass ; power-down compass | |
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|
88 |
| 631 | 89 call eeprom_deco_data_write ; update deco data in EEPROM |
| 90 call eeprom_battery_gauge_write ; update battery gauge in EEPROM | |
| 91 | |
| 634 | 92 btfsc option_changed ; do the options need to be stored to EEPROM ? |
| 631 | 93 call option_check_and_store_all ; YES - check and store all option values in EEPROM |
| 94 | |
| 623 | 95 call ext_flash_enable_protection ; enable write protection on external flash |
| 582 | 96 |
| 623 | 97 clrf sm_timer_10sec ; clear 10 seconds timer |
| 98 clrf sm_timer_10min ; clear 10 minutes timer | |
| 628 | 99 clrf sm_10min_counter ; clear 10mins counter |
| 623 | 100 clrf sm_flags ; clear all local flags |
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|
101 |
| 628 | 102 call TFT_Display_FadeOut ; power-down backlight |
| 103 call TFT_DisplayOff ; power-down display | |
| 631 | 104 |
| 0 | 105 sleeploop_loop: |
| 623 | 106 btfsc trigger_full_second ; one second in sleep? |
| 107 rcall one_sec_sleep ; YES - check switches, pressure sensor, etc. | |
| 582 | 108 |
| 623 | 109 btfss sleepmode ; shall terminate sleep mode? |
| 110 bra sleeploop_exit ; YES | |
| 0 | 111 |
| 634 | 112 rcall sleepmode_sleep ; sleep for 62.5...125 ms |
| 582 | 113 |
| 623 | 114 btfss deep_sleep ; shall enter deep sleep? |
| 115 bra sleeploop_loop ; NO - remain in normal sleep loop | |
| 116 ;bra deepsleep_pre ; YES - enter deep sleep loop | |
| 0 | 117 |
| 623 | 118 deepsleep_pre: |
| 634 | 119 bcf PIE1,TMR1IE ; disable timer 1 interrupt |
| 120 bcf PIE2,TMR3IE ; disable timer 2 interrupt | |
| 121 bcf PIE5,TMR7IE ; disable timer 7 interrupt | |
| 122 bcf INTCON, INT0IE ; disable INT0 interrupt | |
| 123 bcf INTCON3,INT1IE ; disable INT1 interrupt | |
| 0 | 124 |
| 623 | 125 bcf power_sw1 ; power-down switch 1 |
| 126 bcf power_sw2 ; power-down switch 2 | |
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127 |
| 604 | 128 rcall deepsleep_get_accel ; read accelerometer into WREG |
| 623 | 129 movwf accel_reference ; store as reference value |
| 628 | 130 tstfsz accel_reference ; = 0 ? |
| 131 bra deepsleep_loop ; NO - continue | |
| 132 bra deepsleep_loop_exit ; YES - no deep sleep (fail-safe) | |
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|
133 |
| 582 | 134 deepsleep_loop: |
| 623 | 135 btfsc trigger_full_second ; one second in deep sleep? |
| 136 rcall check_accelerometer ; YES - check accelerometer | |
| 137 | |
| 138 btfsc trigger_full_second ; one second in deep sleep? | |
| 139 rcall one_sec_sleep ; YES - check switches, check pressure sensor, etc. | |
| 140 | |
| 634 | 141 rcall sleepmode_sleep ; sleep for 62.5...125 ms |
| 623 | 142 |
| 143 btfss sleepmode ; shall leave sleep mode? | |
| 144 bcf deep_sleep ; YES - leave deep sleep mode then, too | |
| 145 | |
| 146 btfsc deep_sleep ; shall leave deep sleep mode? | |
| 147 bra deepsleep_loop ; NO - loop in deep sleep loop | |
| 148 | |
| 628 | 149 deepsleep_loop_exit: |
| 150 bcf deep_sleep ; clear flag (again) | |
| 151 clrf sm_10min_counter ; clear 10mins counter | |
| 623 | 152 call power_up_switches ; turn on the analog switches |
| 153 rcall init_avg_switches ; initialize the averaging system | |
| 154 | |
| 634 | 155 bsf PIE1,TMR1IE ; enable timer 1 interrupt |
| 156 bsf PIE2,TMR3IE ; enable timer 2 interrupt | |
| 157 bsf PIE5,TMR7IE ; enable timer 7 interrupt | |
| 158 bsf INTCON, INT0IE ; enable INT0 interrupt | |
| 159 bsf INTCON3,INT1IE ; enable INT1 interrupt | |
| 623 | 160 |
| 161 bra sleeploop_loop ; enter normal sleep loop | |
| 162 | |
| 163 sleeploop_exit: | |
| 164 bcf switch_left ; eventually clear left button event | |
| 165 bcf switch_right ; eventually clear right button event | |
| 166 movlw .0 ; reset ISR sensor state machine | |
| 167 movff WREG,sensor_state_counter ; ... | |
| 168 bcf PIR5,TMR7IF ; clear timer 7, driving the ISR sensor interrupts | |
| 169 bcf block_sensor_interrupt ; re-enable execution of the ISR sensor interrupts | |
| 170 goto restart ; restart | |
| 171 | |
| 172 | |
| 634 | 173 ;----------------------------------------------------------------------------- |
| 174 ; Helper Function - Tasks every Second in Sleep Mode | |
| 175 ; | |
| 623 | 176 one_sec_sleep: |
| 177 bcf trigger_full_second ; clear trigger flag | |
| 178 | |
| 179 btfsc switch_left ; left switch pressed? | |
| 180 bcf sleepmode ; YES - terminate sleep mode | |
| 181 | |
| 182 btfsc switch_right ; right switch pressed? | |
| 183 bcf sleepmode ; YES - terminate sleep mode | |
| 582 | 184 |
| 623 | 185 btfsc battery_gauge_available ; is a battery gauge IC available? |
| 186 bra one_sec_sleep_1 ; YES - check for charger | |
| 629 | 187 btfsc ble_available ; Skip "USB" check in all Bluetooth models (Required for very old OSTC sport) |
| 188 bra one_sec_sleep_2 ; - continue | |
| 623 | 189 btfsc vusb_in ; NO - USB plugged in? |
| 190 bcf sleepmode ; YES - terminate sleep mode | |
| 191 bra one_sec_sleep_2 ; - continue | |
| 192 | |
| 193 one_sec_sleep_1: | |
| 194 call get_battery_voltage ; check for charger | |
| 195 | |
| 628 | 196 ; Test if charging |
| 197 btfss cc_active ; charging? | |
| 198 bra one_sec_sleep_1a ; NO | |
| 199 btfsc charge_in_sleep ; YES - already showing charge screen? | |
| 200 bra one_sec_sleep_1b ; YES - only update data | |
| 201 | |
| 634 | 202 bsf charge_in_sleep |
| 203 bcf deep_sleep ; wake-up from deepsleep | |
| 628 | 204 call TFT_boot ; initialize TFT (includes clear screen) |
| 205 movlw .32 | |
| 206 movff WREG,max_CCPR1L ; bank safe | |
| 207 call TFT_Display_FadeIn ; dim up the display | |
| 208 one_sec_sleep_1b: | |
| 634 | 209 call TFT_surfmode_batt ; show battery type, voltage and color-coded percentage |
| 628 | 210 bra one_sec_sleep_2 ; continue |
| 211 | |
| 212 one_sec_sleep_1a: | |
| 213 btfss charge_in_sleep ; was showing charge screen? | |
| 214 bra one_sec_sleep_2 ; NO | |
| 215 | |
| 216 ; yes, power-down screen | |
| 217 call TFT_Display_FadeOut ; power-down backlight | |
| 218 call TFT_DisplayOff ; power-down display | |
| 219 bcf charge_in_sleep | |
| 220 | |
| 221 | |
| 623 | 222 one_sec_sleep_2: |
| 223 incf sm_timer_10sec,F ; increment 10 seconds timer | |
| 224 movlw .10 ; load a 10 into WREG | |
| 225 cpfslt sm_timer_10sec ; timer < 10 yet? | |
| 226 rcall ten_sec_sleep ; NO - do the every 10 second tasks | |
| 227 | |
| 228 btfsc trigger_full_minute ; one minute in sleep? | |
| 229 rcall one_min_sleep ; YES - do the every minute tasks | |
| 230 | |
| 231 btfsc trigger_full_hour ; one hour in sleep? | |
| 232 rcall one_hour_sleep ; YES - do the every hour tasks | |
| 233 | |
| 234 return ; done | |
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|
235 |
| 623 | 236 |
| 634 | 237 ;----------------------------------------------------------------------------- |
| 238 ; Helper Function - Tasks every 10 Seconds in Sleep Mode | |
| 239 ; | |
| 623 | 240 ten_sec_sleep: |
| 241 ; tasks every 10 seconds in sleep mode | |
| 242 clrf sm_timer_10sec ; clear timer | |
| 243 rcall pressuretest_sleep_fast ; get pressure without averaging (faster) | |
| 244 MOVLI wake_up_from_sleep,sub_a ; load wake-up pressure (1160 mbar) into sub_a | |
| 245 MOVII pressure_abs, sub_b ; load current absolute pressure into sub_b | |
| 246 call cmpU16 ; sub_a - sub_b = wake-up pressure - current absolute pressure | |
| 247 btfsc neg_flag ; is the current absolute pressure > 1160 mbar ? | |
| 248 bcf sleepmode ; YES - terminate sleep mode | |
| 249 return ; done | |
| 250 | |
| 251 | |
| 634 | 252 ;----------------------------------------------------------------------------- |
| 253 ; Helper Function - Tasks every Minute in Sleep Mode | |
| 254 ; | |
| 623 | 255 one_min_sleep: |
| 256 ; tasks every minute in sleep mode | |
| 257 bcf trigger_full_minute ; clear flag | |
| 258 | |
| 259 ; tick the 10 minutes timer | |
| 260 incf sm_timer_10min,F ; increment 10 minutes timer | |
| 261 movlw .10 ; load a 10 into WREG | |
| 262 cpfslt sm_timer_10min ; timer < 10 yet? | |
| 263 rcall ten_min_sleep ; NO - do the every 10 minutes tasks | |
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|
264 |
| 623 | 265 one_min_sleep_1: |
| 266 ; continue tasks every minute | |
| 267 btfsc desat_on_10_mins ; shall do desaturation calculation on 10 minute intervals? | |
| 268 return ; YES - that's not here then, so done | |
| 269 call deco_calc_dive_interval_1min ; NO - calculate 1 minute at surface conditions (C-code) | |
| 270 banksel common ; - back to bank common | |
| 271 return ; - done | |
| 272 | |
| 273 | |
| 634 | 274 ;----------------------------------------------------------------------------- |
| 275 ; Helper Function - Tasks every 10 Minutes in Sleep Mode | |
| 276 ; | |
| 623 | 277 ten_min_sleep: |
| 278 ; tasks every 10 minutes in sleep mode | |
| 279 clrf sm_timer_10min ; reset timer to 0 | |
| 280 | |
| 281 call sample_surface_pressure ; sample surface pressure and update ISR and deco engine | |
| 282 | |
| 628 | 283 btfss analog_switches ; OSTC with analog switches? |
| 284 bra ten_min_sleep_0 ; NO - no analog switches, no deep sleep required | |
| 285 | |
| 286 ; check if we need to enter deep sleep | |
| 287 incf sm_10min_counter,F ; count | |
| 288 movlw deep_sleep_10mins ; threshold | |
| 289 cpfseq sm_10min_counter ; threshold reached? | |
| 290 bra ten_min_sleep_0 ; NO - threshold not reached yet | |
| 291 | |
| 292 decf sm_10min_counter,F ; -1 to re-trigger every 10mins (in case of charging) | |
| 293 | |
| 294 btfss cc_active ; charging? | |
| 295 bsf deep_sleep ; NO - activate deep-sleep mode | |
| 296 | |
| 297 ten_min_sleep_0: | |
| 623 | 298 btfss desat_on_10_mins ; shall do desaturation calculation on 10 minute intervals? |
| 299 bra ten_min_sleep_1 ; NO - continue checking if schedule can be switched to 10 minutes | |
| 300 call deco_calc_dive_interval_10min ; YES - calculate 10 minutes at surface conditions (C-code) | |
| 301 banksel common ; - back to bank common | |
| 302 return ; - done | |
| 303 | |
| 304 ten_min_sleep_1: | |
| 305 movff int_O_lead_supersat+0,WREG ; get leading tissue's supersaturation (only the lower byte is used for the value) | |
| 306 bsf desat_on_10_mins ; switch to 10 minute intervals by default | |
| 307 tstfsz WREG ; gradient factor = 0 ? | |
| 308 bcf desat_on_10_mins ; NO - stay on 1 minute intervals | |
| 309 return ; done | |
| 310 | |
| 582 | 311 |
| 634 | 312 ;----------------------------------------------------------------------------- |
| 313 ; Helper Function - Tasks every Hour in Sleep Mode | |
| 314 ; | |
| 623 | 315 one_hour_sleep: |
| 316 ; tasks every hour in sleep mode mode | |
| 317 bcf trigger_full_hour ; clear one hour flag | |
| 631 | 318 call eeprom_deco_data_write ; update deco data into EEPROM |
| 319 call eeprom_battery_gauge_write ; update battery gauge into EEPROM | |
| 628 | 320 return ; done |
| 623 | 321 |
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|
322 |
| 634 | 323 ;----------------------------------------------------------------------------- |
| 324 ; Helper Function - Initialization of the Button Event Averaging System | |
| 325 ; | |
| 623 | 326 init_avg_switches: |
| 327 ; pause 4 seconds using CPU sleep mode to conserve on battery | |
| 328 movlw .4 ; time to pause | |
| 329 movwf loop_counter ; initialize loop counter | |
| 330 bcf trigger_full_second ; clear 'one second elapsed' flag | |
| 331 activate_switches_1: | |
| 634 | 332 rcall sleepmode_sleep ; sleep for 62.5...125 ms |
| 623 | 333 btfss trigger_full_second ; did 1 second elapsed meanwhile? |
| 334 bra activate_switches_1 ; NO - loop | |
| 335 bcf trigger_full_second ; YES - clear flag | |
| 336 decfsz loop_counter,F ; - decrement loop counter, done? | |
| 337 bra activate_switches_1 ; NO - loop | |
| 338 | |
| 339 ; initialize the averaging system | |
| 340 movlw .32 ; number of readout cycles | |
| 341 movwf loop_counter ; initialize loop counter | |
| 342 activate_switches_2: | |
| 343 call get_analog_switches ; do a analog switch readout | |
| 344 decfsz loop_counter,F ; decrement loop counter, done? | |
| 345 bra activate_switches_2 ; NO - loop | |
| 346 | |
| 347 ; clear all button events that may have intermediately occurred | |
| 348 bcf PIR1,TMR1IF ; clear button-hold-down timer | |
| 634 | 349 bcf INTCON, INT0IF ; clear right button activity |
| 623 | 350 bcf INTCON3,INT1IF ; clear left button activity |
| 351 bcf analog_sw1_pressed ; clear analog switch 1 activity | |
| 352 bcf analog_sw2_pressed ; clear analog switch 2 activity | |
| 353 bcf switch_right ; clear right button event | |
| 354 bcf switch_left ; clear left button event | |
| 355 | |
| 634 | 356 return ; done |
| 623 | 357 |
| 358 | |
| 634 | 359 ;----------------------------------------------------------------------------- |
| 360 ; Helper Function - Check for Change in Accelerometer Z-Axis | |
| 361 ; | |
| 623 | 362 check_accelerometer: |
| 604 | 363 rcall deepsleep_get_accel ; read accelerometer into WREG |
| 623 | 364 subwf accel_reference,W ; reference value - accel_DZ+0 -> WREG |
| 604 | 365 btfsc STATUS,N ; result negative? |
| 366 negf WREG ; YES - negate it | |
| 623 | 367 movwf lo ; save as change of acceleration in Z-axis |
| 628 | 368 movlw .100 ; load threshold (mg) |
| 623 | 369 cpfslt lo ; change of acceleration > threshold ? |
| 370 bcf deep_sleep ; YES - terminate deep sleep mode | |
| 371 return ; done | |
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372 |
| 582 | 373 |
| 634 | 374 ;----------------------------------------------------------------------------- |
| 375 ; Helper Function - read Accelerometer Z-Axis | |
| 376 ; | |
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|
377 deepsleep_get_accel: |
| 628 | 378 call I2C_init_compass ; start compass |
| 634 | 379 rcall sleepmode_sleep ; sleep for 62.5...125 ms |
| 604 | 380 call I2C_RX_accelerometer ; read accelerometer |
| 628 | 381 call I2C_RX_accelerometer ; read accelerometer |
| 382 call I2C_sleep_compass ; shut down compass | |
| 623 | 383 movff accel_DZ+0,WREG ; transfer result to WREG |
| 384 return ; done | |
| 385 | |
| 386 | |
| 634 | 387 ;----------------------------------------------------------------------------- |
| 388 ; Helper Function - read Pressure without Averaging | |
| 389 ; | |
| 390 ; faster method to save some power in sleep mode | |
| 391 ; | |
| 392 pressuretest_sleep_fast: | |
| 623 | 393 banksel isr_backup ; select bank ISR data |
| 394 | |
| 395 CLRI pressure_abs_avg ; clear pressure average register | |
| 396 CLRI temperature_avg ; clear temperature average register | |
| 397 | |
| 398 call get_temperature_start ; start temperature integration (73.5 us) | |
| 582 | 399 |
| 634 | 400 rcall sleepmode_sleep ; sleep for 62.5...125 ms |
| 401 rcall sleepmode_sleep ; sleep for 62.5...125 ms | |
| 623 | 402 |
| 403 call get_temperature_value ; state 1: get temperature | |
| 404 call get_pressure_start ; start pressure integration | |
| 405 | |
| 634 | 406 rcall sleepmode_sleep ; sleep for 62.5...125 ms |
| 407 rcall sleepmode_sleep ; sleep for 62.5...125 ms | |
| 623 | 408 |
| 409 call get_pressure_value ; state2: get pressure (51 us) | |
| 410 call calculate_compensation ; calculate temperature compensated pressure (27 us) | |
| 411 | |
| 412 MOVII pressure_abs_avg,pressure_abs ; get result, bypassing the averaging | |
| 413 | |
| 414 banksel common ; back to bank common | |
| 582 | 415 return |
| 0 | 416 |
| 417 | |
| 634 | 418 ;----------------------------------------------------------------------------- |
| 419 ; Helper Function - sleep for 62.5...125 ms | |
| 420 ; | |
| 0 | 421 sleepmode_sleep: |
| 634 | 422 movff BSR,BSR_backup ; backup current bank selection |
| 423 banksel common ; switch to bank common | |
| 628 | 424 btfsc charge_in_sleep ; already showing charge screen? |
| 634 | 425 bra sleepmode_sleepwalk ; YES - skip the actual sleep (but wait) |
| 426 sleep ; NO - put CPU into sleep (wakes up by timer 7 IRQ) | |
| 427 sleep ; - put CPU into sleep again | |
| 628 | 428 sleepmode_sleep_1: |
| 634 | 429 movff BSR_backup,BSR ; restore bank selection |
| 430 return ; done | |
| 628 | 431 |
| 432 sleepmode_sleepwalk: | |
| 634 | 433 WAITMS d'65' ; wait 65 ms |
| 434 bra sleepmode_sleep_1 ; continue with common part | |
| 628 | 435 |
| 634 | 436 ;----------------------------------------------------------------------------- |
| 437 | |
| 438 END |