Mercurial > public > hwos_code
view src/options.asm @ 631:185ba2f91f59
3.09 beta 1 release
| author | heinrichsweikamp |
|---|---|
| date | Fri, 28 Feb 2020 15:45:07 +0100 |
| parents | cd58f7fc86db |
| children | 4050675965ea |
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;============================================================================= ; ; File options.asm next combined generation V3.08.8 ; ; Manage all options data. ; ; Copyright (c) 2011, JD Gascuel, HeinrichsWeikamp, all right reserved. ;============================================================================= ; HISTORY ; 2011-07-12 : [jDG] Creation. ; #include "hwos.inc" ; mandatory header #include "strings.inc" #include "convert.inc" #include "ghostwriter.inc" #include "eeprom_rs232.inc" #include "external_flash.inc" #include "wait.inc" #include "shared_definitions.h" #include "gaslist.inc" extern write_eeprom extern read_eeprom extern option_table_begin,option_table_end extern convert_meter_to_feet options CODE ;============================================================================= ; Reset all options to factory defaults (in memory only) ; ; INPUT: none ; OUTPUT: none ; TRASH: TBLPTR, TABLAT, WREG, FSR0, FSR1, FSR2 ; global option_reset_all ; reset all options to factory default option_reset_all: call eeprom_total_dives_read ; read total number of dives tstfsz mpr+0 ; number of total dives, low byte = 0 ? bra option_reset_all_1 ; NO - skip resetting logbook tstfsz mpr+1 ; number of total dives, high byte = 0 ? bra option_reset_all_1 ; NO - skip resetting logbook ; reset logbook call erase_complete_logbook ; erase complete logbook ; reset logbook offset CLRI mpr ; set logbook offset to zero call eeprom_log_offset_write ; store logbook offset option_reset_all_1: lfsr FSR0,option_table_begin ; point to start of option definition table option_reset_all_loop: rcall option_reset ; reset option incfsz opt_end_token,F ; was this the last option (was opt_end_token = 255) ? bra option_reset_all_loop ; NO - do next option return ; YES - done ;============================================================================= ; Reset an option to its default value ; INPUT: FSR0 = option handle ; OUTPUT: none ; TRASH: TBLPTR, TABLAT, WREG, FSR1, FSR2 ; global option_reset ; reset option value to default option_reset: ; read type, default and register from table rcall option_read_definition ; read option definition option_reset_loaded: ; entry point with option definition already read bsf option_repaired ; flag that an option was repaired bsf options_changed ; flag that EEPROM needs to be updated movf opt_type,W ; get option type xorlw .2 ; type = STRING ? bz opt_reset_string ; YES - string copy movff opt_default,INDF1 ; NO - 1 byte copy return ; - done opt_reset_string: movff FSR1L,FSR2L ; set string destination address movff FSR1H,FSR2H ; ... movff opt_default+0,FSR1L ; get handle to multi-lingual text in FSR1 movff opt_default+1,FSR1H ; ... movff TBLPTRL,mpr+0 ; TBLPTR will be trashed by text routine, so make a back-up movff TBLPTRH,mpr+1 ; ... movff TBLPTRU,mpr+2 ; ... call strcat_text ; copy translated text to FSR2 movff mpr+0,TBLPTRL ; restore TBLPTR movff mpr+1,TBLPTRH ; ... movff mpr+2,TBLPTRU ; ... return ; done ;============================================================================= ; Read option definition ; INPUT: FSR0 = option handle ; OUTPUT: FSR1 = address of variable. ; TRASH: TBLPTR, TABLAT, WREG, FSR0, FSR1 ; option_read_definition: movff FSR0L,TBLPTRL ; low byte : set memory address of option data set movlw HIGH(option_table_begin) ; high byte : get table start address andlw 0xF0 ; keep only the upper nibble iorwf FSR0H,W ; add the memory address of the option data set movwf TBLPTRH ; set the resulting memory address movlw UPPER(option_table_begin) ; upper byte: get table start address movwf TBLPTRU ; set memory address of option data set lfsr FSR1,opt_type ; load FSR1 with base address of option definition vars movlw opt_definiton_bytes ; get number of bytes to copy movwf eeprom_loop ; initialize loop counter (using an EEPROM variable here) option_read_definition_loop: tblrd*+ ; read one byte from program memory and increment address movff TABLAT,POSTINC1 ; transfer byte from program memory to memory decfsz eeprom_loop,F ; all bytes done? bra option_read_definition_loop ; NO - loop tblrd* ; YES - read one byte ahead without incrementing address movff TABLAT,POSTINC1 ; - store byte movff opt_memory+0,FSR1L ; - load FSR1 with the address of the option value variable movff opt_memory+1,FSR1H ; - ... movff TBLPTRL,FSR0L ; - advance handle to the next option definition data set movff TBLPTRH,FSR0H ; - ... return ; - done ;============================================================================= ; Check one option and reset its value if it is out of min/max boundary ; INPUT: opt_* vars and FSR1 ; OUTPUT: option value set to default if out of min/max ; TRASH: WREG ; option_check_loaded: ; switch on type movf opt_type,W ; get type bz option_check_uint8 ; type 0: INT8 dcfsnz WREG ; decrement bra option_check_enum8 ; type 1: ENUM dcfsnz WREG ; decrement bra option_check_string ; type 2: STRING ;bra option_check_uint8 ; type 3: INT8 option_check_uint8: tstfsz opt_min ; opt_min = 0 ? bra option_check_min ; NO - check it bra option_check_enum8 ; YES - continue with check for maximum option_check_min: decf opt_min,W ; get (minimum permissible value - 1) into WREG cpfsgt INDF1 ; option value > (minimum permissible value - 1) ? bra option_reset_loaded ; NO - reset option value ;bra option_check_enum8 ; YES - continue with check for maximum option_check_enum8: infsnz opt_max,W ; get (highest permissible value + 1) into WREG return ; highest permissible value was 255, skip check, done cpfslt INDF1 ; option value < (highest permissible value + 1) ? bra option_reset_loaded ; NO - reset option value return ; YES - within range, done option_check_string: return ; nothing to check with strings ;============================================================================= ; Check and store all option values in EEPROM ; global option_check_and_store_all option_check_and_store_all: bcf PIR3,RC2IE ; disable EUSART interrupts ;---- save option version MOVLI eeprom_opt_version,mpr ; get options version number EEPROM_II_WRITE mpr,eeprom_options_version ; store options version number in EEPROM ;---- check and resolve some interdependencies among options bsf is_diluent_menu ; setup checking diluents call gaslist_cleanup_list ; check and correct multiple or none First diluents bcf is_diluent_menu ; setup checking gases call gaslist_cleanup_list ; check and correct multiple or none First gases IFNDEF _gauge_mode call option_cleanup_gauge ; check and correct gauge mode ENDIF IFDEF _ccr_pscr call option_cleanup_oCCRMode ; check and correct CCR / pSCR mode ENDIF call option_cleanup_GF ; check and correct GFlow <= GFhigh ;---- check and save all option values lfsr FSR0,option_table_begin ; point to start of option definition table option_save_all_loop: rcall option_check_and_store ; check and save option value incfsz opt_end_token,F ; was this the last option (was opt_end_token = 255) ? bra option_save_all_loop ; NO - do next option return ; YES - done ;============================================================================= ; Check and store an option value in EEPROM ; global option_check_and_store option_check_and_store: rcall option_read_definition ; read the option definition rcall option_check_loaded ; check if option value is within min/max, set to default if not option_save_loaded_checked: movf opt_eeprom_bank,W ; get bank andlw b'11111110' ; keep only bits 7-1 tstfsz WREG ; bank < 0x02 ? return ; NO - volatile option or illegal address, abort tstfsz opt_eeprom_bank ; YES - bank = 0 ? bra option_save_execute ; NO - address is valid movlw low(eeprom_options_storage-1) ; YES - get start address of options storage minus 1 cpfsgt opt_eeprom_index ; - index >= start address ? return ; NO - illegal address, abort ;bra option_save_execute ; YES - address is valid option_save_execute: movff opt_eeprom_index,EEADR ; set EEPROM index (address low byte) movff opt_eeprom_bank, EEADRH ; set EEPROM page (address high byte) movf opt_type,W ; get option type xorlw .2 ; option type = string ? bz option_save_string ; YES - special handling movff INDF1,EEDATA ; NO - copy option value to EEPROM write register call write_eeprom ; - execute write return ; - done option_save_string: movff POSTINC1,EEDATA ; copy a character from the option value to the EEPROM write register btfss EEADRH,1 ; current EEPROM address < 512 ? call write_eeprom ; YES - execute write infsnz EEADR,F ; increment EEPROM address, low byte incf EEADRH,F ; increment EEPROM address, high byte decfsz opt_max ; decrement string length, done? bra option_save_string ; NO - loop return ; YES - done ;============================================================================= ; Restore and check all option values from EEPROM ; global option_restore_and_check_all ; restore options from EEPROM option_restore_and_check_all: ;---- Read option version from EEPROM EEPROM_II_READ eeprom_options_version,mpr movlw LOW(eeprom_opt_version) ; get options version from current firmware, low byte xorwf mpr+0,W ; compare with EEPROM version, do they match? bnz option_restore_reset ; NO - reset to defaults of current firmware movlw HIGH(eeprom_opt_version) ; get options version from current firmware, high byte xorwf mpr+1,W ; compare with EEPROM version, do they match? bnz option_restore_reset ; NO - reset to defaults of current firmware ;---- restore all option values lfsr FSR0,option_table_begin ; point to start of option definition table option_restore_all_loop: rcall option_restore_and_check ; restore and check the option incfsz opt_end_token,F ; was this the last option (was opt_end_token = 255) ? bra option_restore_all_loop ; NO - do next option return ; YES - done option_restore_reset: call option_reset_all ; reset all option values to their default goto option_check_and_store_all ; write back all option values to EEPROM (and return) ;============================================================================= ; Restore an option value from EEPROM and check it ; global option_restore_and_check option_restore_and_check: rcall option_read_definition ; read the option definition movf opt_eeprom_bank,W ; get bank andlw b'11111110' ; keep only bits 7-1 tstfsz WREG ; bank < 0x02 ? bra option_reset_loaded ; NO - volatile option or illegal address, restore to default tstfsz opt_eeprom_bank ; YES - bank = 0 ? bra option_restore_execute ; NO - address is valid movlw low(eeprom_options_storage-1) ; YES - get start address of options storage minus 1 cpfsgt opt_eeprom_index ; - index >= start address ? bra option_reset_loaded ; NO - illegal address, restore to default ;bra option_restore_execute ; YES - address is valid option_restore_execute: movff opt_eeprom_index,EEADR ; set EEPROM index (address low byte) movff opt_eeprom_bank, EEADRH ; set EEPROM page (address high byte) movf opt_type,W ; get option type xorlw .2 ; option type = string ? bz option_restore_string ; YES - special handling call read_eeprom ; NO - execute read movff EEDATA,INDF1 ; - read option value from EEPROM read register bcf option_repaired ; - clear option repaired flag bra option_check_loaded ; - check if option value is within min/max, reset to default if not btfsc option_repaired ; - was the option repaired? bra option_save_loaded_checked ; YES - save repaired value to EEPROM return ; NO - done option_restore_string: call read_eeprom ; read one character from the EEPROM movff EEDATA,POSTINC1 ; copy it to the option value infsnz EEADR,F ; increment EEPROM address, low byte incf EEADRH,F ; increment EEPROM address, high byte decfsz opt_max ; decrement string length, done? bra option_restore_string ; NO - loop return ; YES - done (nothing to check with strings) ;============================================================================= ; Read an option value via RS232 ; INPUT: lo = serial index ; OUTPUT: hi = option value ; WREG =0: option found and value valid, =1: option not found ; TRASH: TBLPTR, TABLAT, WREG, FSR0, FSR1 ; global option_read_serial option_read_serial: lfsr FSR0,option_table_begin ; point to start of option definition table option_read_serial_loop: rcall option_read_definition ; read option definition movf opt_serial,W ; get serial index of the option into WREG xorwf lo,W ; received index = index of this option ? bz option_read_serial_execute ; YES - read value incfsz opt_end_token,F ; NO - was this the last option (was opt_end_token = 255) ? bra option_read_serial_loop ; NO - try next option retlw .1 ; YES - done, option not found option_read_serial_execute: movff INDF1,hi ; read option value into hi retlw .0 ; done, option found ;============================================================================= ; Write an option value via RS232 ; INPUT: lo = serial index ; hi = option value ; OUTPUT: WREG =0: option found and value valid, =1: option not found, =2: value not valid ; TRASH: TBLPTR, TABLAT, WREG, FSR0, FSR1, up ; global option_write_serial option_write_serial: lfsr FSR0,option_table_begin ; point to start of option definition table option_write_serial_loop: rcall option_read_definition ; read option definition movf opt_serial,W ; get serial index of the option into WREG xorwf lo,W ; received index = index of this option ? bz option_write_serial_execute ; YES - check and update value incfsz opt_end_token,F ; NO - was this the last option (was opt_end_token = 255) ? bra option_write_serial_loop ; NO - try next option retlw .1 ; YES - done, option not found option_write_serial_execute: movff INDF1,up ; backup old value movff hi,INDF1 ; write new value bcf option_repaired ; clear option repaired flag rcall option_check_loaded ; check the new value btfsc option_repaired ; was the new value valid? bra option_write_serial_execute_fail; NO - restore old value bsf options_changed ; YES - flag that EEPROM needs to be updated retlw .0 ; - done, success option_write_serial_execute_fail: movff up,INDF1 ; restore old value retlw .2 ; done, value not valid ;============================================================================= ; Increment an option value based on type and min/max boundary ; INPUT: FSR0 = option handle ; OUTPUT: none ; TRASH: TBLPTR, TABLAT, WREG, FSR0, FSR1 ; global option_inc ; increment FSR0 option option_inc: ; read type, default and register from table rcall option_read_definition bsf options_changed ; flag that EEPROM needs to be updated ; switch on type movf opt_type,W ; get option type bz option_inc_uint8 ; type 0: INT8 dcfsnz WREG ; decrement bra option_inc_enum8 ; type 1: ENUM dcfsnz WREG ; decrement bra option_inc_string ; type 2: STRING ;bra option_inc_uint8 ; type 3: INT8 option_inc_uint8: movf INDF1,W ; get option value addwf opt_inc,W ; add increment cpfslt opt_max ; max < option value ? bra option_inc_uint8_0 ; NO - new option value ok movf opt_min,W ; YES - reset to min value option_inc_uint8_0: movwf INDF1 ; store new value option_inc_uint8_1: ; now some rather crude hack into this routine to make CCR calibration more convenient: movlw 0x37 ; serial ID of option CalGasO2 cpfseq opt_serial ; editing CalGasO2 right now? bra option_inc_uint8_2 ; NO - check next option movff opt_dive_mode,WREG ; YES - get dive mode: 0=OC, 1=CC, 2=Gauge, 3=Apnea, 4=pSCR decfsz WREG,W ; - in CCR mode? return ; NO - done movlw .26 ; YES - cpfseq INDF1 ; - option value = 26 ? return ; NO - done movlw .95 ; YES - advance it to 95 movwf INDF1 ; - store it return option_inc_uint8_2: movlw 0x25 ; serial ID of option opt_GF_low cpfseq opt_serial ; editing opt_GF_low right now? bra option_inc_uint8_3 ; NO - check next option movff opt_GF_high,WREG ; get value of associated GF high into WREG cpfsgt INDF1 ; GF low > GF high? return ; NO - setting ok, done movff opt_min,INDF1 ; YES - wrap around to minimum value return ; - done option_inc_uint8_3: movlw 0x26 ; serial ID of option opt_GF_high cpfseq opt_serial ; editing opt_GF_high right now? bra option_inc_uint8_4 ; NO - check next option movff opt_GF_low,WREG ; get value of associated GF low into WREG cpfslt INDF1 ; GF high < GF low? return ; NO - setting ok, done movwf INDF1 ; YES - rise GF high to GF low return ; - done option_inc_uint8_4: movlw 0x27 ; serial ID of option opt_aGF_low cpfseq opt_serial ; editing opt_aGF_low right now? bra option_inc_uint8_5 ; NO - check next option movff opt_aGF_high,WREG ; get value of associated GF high into WREG cpfsgt INDF1 ; GF low > GF high? return ; NO - setting ok, done movff opt_min,INDF1 ; YES - wrap around to minimum value return ; - done option_inc_uint8_5: movlw 0x28 ; serial ID of option opt_aGF_high cpfseq opt_serial ; editing opt_aGF_high right now? bra option_inc_uint8_6 ; NO - check next option movff opt_aGF_low,WREG ; get value of associated GF low into WREG cpfslt INDF1 ; GF high < GF low? return ; NO - setting ok, done movwf INDF1 ; YES - rise GF high to GF low return ; - done option_inc_uint8_6: return ; all done option_inc_enum8: movf opt_max,W ; copy maximum permissible value to WREG cpfslt INDF1 ; option value < maximum permissible value ? bra option_inc_enum8_reset ; NO - reset option value incf INDF1,F ; YES - increment option value bra option_inc_enum8_1 ; - continue option_inc_enum8_reset: clrf INDF1 ; reset option value to zero option_inc_enum8_1: IFDEF _ccr_pscr ; now some rather crude hack into this routine to unify CCR & pSCR mode setting movlw 0x1F ; serial ID of option oCCRMode cpfseq opt_serial ; editing oCCRMode right now? bra option_inc_enum8_2 ; NO - check next option IFDEF _external_sensor btfsc analog_o2_input ; YES - does hosting OSTC have an analog interface? bra option_inc_enum8_1a ; YES - setting 'sensor' allowed btfsc optical_input ; does hosting OSTC have an optical interface? bra option_inc_enum8_1a ; YES - setting 'sensor' allowed ENDIF ; _external_sensor movf INDF1,W ; NO to both - get mode (=0: fixed SP, =1: Sensor, =2: AutoSP) xorlw .1 ; - in sensor mode? bnz option_inc_enum8_1a ; NO - continue with next check incf INDF1,F ; YES - advance option value to AutoSP option_inc_enum8_1a: movff opt_dive_mode,WREG ; get dive mode: 0=OC, 1=CCR, 2=Gauge, 3=Apnea, 4=pSCR xorlw .4 ; in pSCR mode? bnz option_inc_enum8_1_exit ; NO - done bcf INDF1,1 ; YES - clear bit 1 because opt_ccr_mode may only be 0 or 1 (reverts AutoSP to calculated SP) option_inc_enum8_1_exit: return ; done ENDIF ; _ccr_pscr option_inc_enum8_2: IFDEF _gas_contingency ; now some rather crude hack to switch off contingency mode if gas needs calculation is switched off movlw 0x5A ; serial ID of option opt_calc_gasvolume cpfseq opt_serial ; editing opt_calc_gasvolume right now? bra option_inc_enum8_3 ; NO - check next option movf INDF1,W ; YES - get option value ; xorlw .0 ; - option value = off ? bnz option_inc_enum8_2_exit ; NO - done clrf WREG ; YES - force contingency to be off, too movff WREG,opt_gas_contingency_dive ; - ... option_inc_enum8_2_exit: return ENDIF ; _gas_contingency option_inc_enum8_3: ; now some rather crude hack to correct opt_TR_mode in dependency of opt_dive_mode movlw 0x20 ; serial ID of option opt_dive_mode cpfseq opt_serial ; editing opt_dive_mode right now? bra option_inc_enum8_4 ; NO - check next option movf INDF1,W ; YES - get option value: 0=OC, 1=CCR, 2=Gauge, 3=Apnea, 4=pSCR xorlw .1 ; in CCR mode? bnz option_inc_enum8_3a ; NO - in some other mode IFNDEF _ccr_pscr incf INDF1,f ; YES - no CCR mode compiled in, advance to gauge mode bra option_inc_enum8_3a ; - check if gauge mode is available ENDIF ; _ccr_pscr IFDEF _rx_functions global option_cleanup_oTrMode_CCR ; embedded clean-up entry-point option_cleanup_oTrMode_CCR: ; entry point from cleanup during restart movff opt_TR_mode,WREG ; get TR mode xorlw .2 ; mode = 2 (ind.double)? bnz option_inc_enum8_3_exit ; NO - done bra option_inc_enum8_3_reset ; YES - revert mode to 1 (on) ENDIF ; _rx_functions option_inc_enum8_3a: ; any mode other than CCR IFNDEF _gauge_mode movf INDF1,W ; get option value: 0=OC, 1=CCR, 2=Gauge, 3=Apnea, 4=pSCR xorlw .2 ; in Gauge mode? bnz option_inc_enum8_3b ; NO - in some other mode incf INDF1,f ; YES - no Gauge mode compiled in, advance to Apnea mode bra option_inc_enum8_3_exit ; - done (Apnea mode is always available) ENDIF ; _gauge_mode option_inc_enum8_3b: IFNDEF _ccr_pscr movf INDF1,W ; get option value: 0=OC, 1=CCR, 2=Gauge, 3=Apnea, 4=pSCR xorlw .4 ; in pSCR mode? bnz option_inc_enum8_3c ; NO - in some other mode clrf INDF1 ; YES - no pSCR mode compiled in, advance to 0 "OC" bra option_inc_enum8_3_exit ; - done ENDIF ; _ccr_pscr option_inc_enum8_3c: global option_cleanup_oTrMode_no_CCR ; embedded clean-up entry-point option_cleanup_oTrMode_no_CCR: ; entry point from cleanup during restart movff opt_TR_mode,WREG ; get TR mode xorlw .3 ; mode = 3 (CCR Dil+O2)? bnz option_inc_enum8_3_exit ; NO - done option_inc_enum8_3_reset: ; YES - revert to mode 1 (on) movlw .1 ; load coding of mode "on" movff WREG,opt_TR_mode ; write to option option_inc_enum8_3_exit: return ; done option_inc_enum8_4: IFDEF _rx_functions ; now some rather crude hack to advance opt_TR_mode in dependency of opt_dive_mode movlw 0x7E ; serial ID of option opt_TR_mode cpfseq opt_serial ; editing opt_TR_mode right now? bra option_inc_enum8_5 ; NO - check next option movff opt_dive_mode,WREG ; YES - get dive mode: 0=OC, 1=CCR, 2=Gauge, 3=Apnea, 4=pSCR decfsz WREG,W ; dive mode = 1 CCR? bra option_inc_enum8_4a ; NO - in any other mode movf INDF1,W ; YES - get option value (TR mode) xorlw .2 ; - mode = 2 (ind.double)? bnz option_inc_enum8_4_exit ; NO - done incf INDF1,F ; YES - advance option value to 3 (CCR Dil+O2) bra option_inc_enum8_4_exit ; - done option_inc_enum8_4a: ; any mode other than CCR movf INDF1,W ; get option value (TR mode) xorlw .3 ; mode = 3 (CCR Dil+O2)? bnz option_inc_enum8_4_exit ; NO - done clrf INDF1 ; YES - advance option value to 0 "off" option_inc_enum8_4_exit: return ; done ENDIF ; _rx_functions option_inc_enum8_5: IFDEF _gas_contingency ; now some rather crude hack to keep contingency mode switched off if gas needs calculation is switched off movlw 0x91 ; serial ID of option opt_gas_contingency_dive cpfseq opt_serial ; editing opt_gas_contingency_dive right now? bra option_inc_enum8_6 ; NO - check next option movff opt_calc_gasvolume,WREG ; YES - get current setting of gas needs calculation tstfsz WREG ; - gas needs calculation switched off? return ; NO - done, opt_gas_contingency_dive may be switched on clrf INDF1 ; YES - force opt_gas_contingency_dive to off return ; - done ENDIF ; _gas_contingency option_inc_enum8_6: return option_inc_string: ; no editing available return IFNDEF _gauge_mode option_cleanup_gauge: movff opt_dive_mode,WREG ; get dive mode into WREG (0=OC, 1=CCR, 2=Gauge, 3=Apnea, 4=pSCR) xorlw .2 ; in Gauge mode? bnz option_cleanup_gauge_1 ; NO - done movff WREG,opt_dive_mode ; YES - setting not allowed, WREG is zero -> reset to OC mode bsf options_changed ; - flag that EEPROM needs to be updated option_cleanup_gauge_1: return ; done ENDIF IFDEF _ccr_pscr global option_cleanup_oCCRMode global option_cleanup_oCCRMode_pSCR global option_cleanup_oCCRMode_CCR option_cleanup_oCCRMode: ; in pSCR mode, revert AutoSP (2) to calculated SP (0), in pSCR and CCR revert Sensor to fixed SP if no sensor interface available movff opt_dive_mode,WREG ; get dive mode into WREG (0=OC, 1=CCR, 2=Gauge, 3=Apnea, 4=pSCR) xorlw .4 ; in pSCR mode? bnz option_cleanup_oCCRMode_CCR ; NO - check if sensor is available on hosting OSTC option_cleanup_oCCRMode_pSCR: ; jump-in from start.asm if known to be in pSCR mode banksel opt_ccr_mode ; YES - select options bank bcf opt_ccr_mode,1 ; - clear bit 1 because opt_ccr_mode may only be 0 or 1 (reverts AutoSP to calculated SP, keeps sensor) banksel common ; - back to bank common bsf options_changed ; - flag that EEPROM needs to be updated option_cleanup_oCCRMode_CCR: ; continue from above & jump-in from start.asm if known to be in CCR mode IFDEF _external_sensor btfsc analog_o2_input ; analog interface available? return ; YES - setting 'sensor' allowed btfsc optical_input ; does hosting OSTC have an optical interface? return ; YES - setting 'sensor' allowed ENDIF movff opt_ccr_mode,WREG ; NO to both - get CCR mode xorlw .1 ; - coding for sensor tstfsz WREG ; - CCR mode = sensor? return ; NO - setting allowed banksel opt_ccr_mode ; YES - setting not allowed, select options bank clrf opt_ccr_mode ; - revert setting to 0 (fixed or calculated SP) banksel common ; - back to bank common bsf options_changed ; - flag that EEPROM needs to be updated return ; - done ENDIF ; _ccr_pscr option_cleanup_GF: ; cleanup normal GF movff opt_GF_high,WREG ; copy normal GF high to WREG movff opt_GF_low,mpr ; copy normal GF low to mpr cpfsgt mpr ; GF low > GF high ? bra option_cleanup_GF_2 ; NO - option ok, check next option movwf mpr ; YES - copy GF high to mpr movlw .100 ; - load GF low limit of 100% into WREG cpfsgt mpr ; - mpr > 100 ? bra option_cleanup_GF_1 ; NO - correct GF low to GF high movwf mpr ; YES - correct GF low to 100% option_cleanup_GF_1: movff mpr,opt_GF_low ; store corrected GF low bsf options_changed ; flag that EEPROM needs to be updated option_cleanup_GF_2: ; cleanup alternative GF movff opt_aGF_high,WREG ; copy alternative GF high to WREG movff opt_aGF_low,mpr ; copy alternative GF low to mpr cpfsgt mpr ; GF low > GF high ? bra option_cleanup_GF_4 ; NO - option ok, check next option movwf mpr ; YES - copy GF high to mpr movlw .100 ; - load GF low limit of 100% into WREG cpfsgt mpr ; - mpr > 100 ? bra option_cleanup_GF_3 ; NO - correct GF low to GF high movwf mpr ; YES - correct GF low to 100% option_cleanup_GF_3: movff mpr,opt_aGF_low ; store corrected GF low bsf options_changed ; flag that EEPROM needs to be updated option_cleanup_GF_4: return ; done ;============================================================================= ; Strcat option into FSR2 buffer ; global option_draw ; STRCAT FRS0 option option_draw: ; read type, default and register from table rcall option_read_definition ; switch on type movf opt_type,W ; get option type bz option_draw_uint8 ; type0 = INT8 dcfsnz WREG bra option_draw_enum8 ; type1 = ENUM dcfsnz WREG bra option_draw_string ; type2 = string dcfsnz WREG bra option_draw_uint8_depth ; type3 = INT8 with automatic display in meters or feet return ; unknown, do nothing option_draw_string: movff POSTINC1,POSTINC2 decfsz opt_max bra option_draw_string return option_draw_uint8_depth: TSTOSS opt_units ; using metric units (0=m, 1=ft)? bra option_draw_uint8 ; YES - handle with standard output movff INDF1,lo ; NO - imperial, get value to lo call convert_meter_to_feet ; - convert value in lo from meter to feet bsf leftbind ; - print with left alignment output_16_3 ; - display only last three digits from a 16 bit value (0-999) bcf leftbind ; - back to normal alignment STRCAT_TEXT tFeets ; - print unit bra option_draw_uint8_common ; - continue with common part option_draw_uint8: movff INDF1,lo ; draw value bsf leftbind output_8 bcf leftbind clrf INDF2 ; make sure to close string movf opt_unit+0,W ; is there a unit to append? iorwf opt_unit+1,W rcall option_draw_unit ; YES option_draw_uint8_common: movf opt_default,W ; get default value cpfseq lo ; compare with current value, equal? bra option_draw_uint8_2 ; NO - not default, add * return ; YES - default, done option_draw_uint8_2: PUTC "*" ; print "*" return ; done option_draw_unit: movff opt_unit+0,FSR1L movff opt_unit+1,FSR1H goto strcat_text ;---- Draw an enumerated value (set of translated strings) option_draw_enum8: movf INDF1,W ; copy option value to WREG movwf lo ; memorize option value, too cpfslt opt_max ; option value > maximum permissible value ? bra option_draw_enum8_0 ; NO - option value allowed clrf WREG ; YES - to avoid printing rubbish, use first ENUM item instead option_draw_enum8_0: addwf WREG ; current value *= 2 addwf opt_inc,W ; base text + 2 * current value movwf FSR1L ; load FSR1 movlw .0 ; propagate carry... addwfc opt_min,W ; ... movwf FSR1H ; ...into FSR1 call strcat_text ; print text movf opt_default,W ; get default value cpfseq lo ; compare with memorized current value, equal? bra option_draw_enum8_1 ; NO - not default, add * return ; YES - default, done option_draw_enum8_1: PUTC "*" ; print "*" return ; done ;----------------------------------------------------------------------------- END