LIST P=16F628A
INCLUDE P16F628A.INC
__CONFIG _INTOSC_OSC_NOCLKOUT&_WDT_OFF&_PWRTE_ON&_MCLRE_OFF&_LVP_OFF&_CP_OFF
ERRORLEVEL -302
CBLOCK 20H
CCP1TMPL
CCP1TMPH
W_TEMP
STATUS_TEMP
ENDC
BANK0 MACRO
BCF STATUS,RP0
BCF STATUS,RP1
ENDM
BANK1 MACRO
BSF STATUS,RP0
BCF STATUS,RP1
ENDM
ORG 0
GOTO START
ORG 4
GOTO ISR
START MOVLW 7
MOVWF CMCON
CLRF PORTB
CLRF PORTA
BANK1
CLRW
MOVWF TRISB
BANK0
MOVLW B'11111111'
MOVWF CCP1TMPL
MOVLW B'11111111'
MOVWF CCP1TMPH
CLRF TMR1L
CLRF TMR1H
MOVLW B'00110001'
MOVWF T1CON
MOVLW B'00001000'
MOVWF CCP1CON
MAIN
LOOP BTFSS PIR1,CCP1IF
GOTO LOOP
BTFSC PORTB,3
GOTO CLEAR
CLRF CCP1CON
MOVFW CCP1TMPL
MOVWF CCPR1L
MOVFW CCP1TMPH
MOVWF CCPR1H
MOVLW B'00001000'
MOVWF CCP1CON
CLRF TMR1H
CLRF TMR1L
BCF PIR1,CCP1IF
GOTO MAIN
CLEAR CLRF CCP1CON
MOVFW CCP1TMPL
MOVWF CCPR1L
MOVFW CCP1TMPH
MOVWF CCPR1H
MOVLW B'00001001'
MOVWF CCP1CON
CLRF TMR1H
CLRF TMR1L
BCF PIR1,CCP1IF
GOTO MAIN
ISR MOVWF W_TEMP
SWAPF STATUS,W
BCF STATUS,RP0
MOVWF STATUS_TEMP
EXIT_ISR SWAPF STATUS_TEMP,W
MOVWF STATUS
SWAPF W_TEMP,F
SWAPF W_TEMP,W
RETFIE
TABLE ADDWF PCL,F
RETLW 0
END
;Генератор с кнопкой на RA4
LIST P=16F628A
INCLUDE P16F628A.INC
__CONFIG _INTOSC_OSC_NOCLKOUT&_WDT_OFF&_PWRTE_ON&_MCLRE_OFF&_LVP_OFF&_CP_OFF
ERRORLEVEL -302
CBLOCK 20H
CCP1TMPL
CCP1TMPH
TMP
J
K
ENDC
BANK0 MACRO
BCF STATUS,RP0
BCF STATUS,RP1
ENDM
BANK1 MACRO
BSF STATUS,RP0
BCF STATUS,RP1
ENDM
ORG 0
GOTO START
START MOVLW 7
MOVWF CMCON
CLRF PORTB
CLRF PORTA
BANK1
CLRW
MOVWF TRISB
BSF TRISA,4 ;кнопка
BANK0
MOVLW B'11111111'
MOVWF CCP1TMPL
MOVLW B'11111111'
MOVWF CCP1TMPH
CLRF TMR1L
CLRF TMR1H
MOVLW B'00110001'
MOVWF T1CON ;настройка таймера 1
MOVLW B'00001000' ;настройка блока сравнения и совпадения курим даташит
MOVWF CCP1CON
;############################## осносной цикл программы #######################
MAIN
CALL LOOP
BTFSS PORTA,4 ;кнопка нажата?
CALL BUTTON
GOTO MAIN
;############################################################################
LOOP BTFSS PIR1,CCP1IF ;было совпадение?
GOTO LOOP
BTFSC PORTB,3 ;на выходе 0 или 1?
GOTO CLEAR
CLRF CCP1CON
MOVFW CCP1TMPL
MOVWF CCPR1L
MOVFW CCP1TMPH
MOVWF CCPR1H
MOVLW B'00001000'
MOVWF CCP1CON
CLRF TMR1H
CLRF TMR1L
BCF PIR1,CCP1IF
RETURN
CLEAR CLRF CCP1CON
MOVFW CCP1TMPL
MOVWF CCPR1L
MOVFW CCP1TMPH
MOVWF CCPR1H
MOVLW B'00001001'
MOVWF CCP1CON
CLRF TMR1H
CLRF TMR1L
BCF PIR1,CCP1IF
RETURN
BUTTON CALL DELAY
MOVFW CCP1TMPH
MOVWF TMP
MOVLW 7
SUBWF TMP,F
BTFSC STATUS,Z
GOTO NEXT
MOVFW CCP1TMPH
MOVWF TMP
MOVLW 0
SUBWF TMP,F
BTFSC STATUS,Z
GOTO NEXT
MOVLW .62 ;отнимаем от регистра CCPR1H тем самым сокращаем время импульса
SUBWF CCP1TMPH,F ;можно организовать таблицу данных и загружать их в регистр сравнения
GOTO EXIT
NEXT CLRW
MOVWF CCP1TMPH
MOVLW .15
SUBWF CCP1TMPL,F
MOVFW CCP1TMPL
MOVWF TMP
CLRW
SUBWF TMP,F
BTFSC STATUS,Z
GOTO RESET_ALL
GOTO EXIT
RESET_ALL MOVLW 0FFH
MOVWF CCP1TMPL
MOVWF CCP1TMPH
EXIT
BTFSS PORTA,4
GOTO EXIT
RETURN
DELAY MOVLW .40
MOVWF J
JLOOP MOVLW .255
MOVWF K
KLOOP DECFSZ K,F
GOTO KLOOP
DECFSZ J,F
GOTO JLOOP
RETURN
END
