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Proiect - Simularea semaforizaii unei intersectii (Programul microcontrolerului)

Electronica electricitate



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Proiect

Simularea semaforizaii unei intersectii



Schema electrica a circuitului pentru simularea semaforizarii

Programul microcontrolerului

LIST P=16f628

#include p16f628.inc

cblock 20h

COUNT1 ;First counter for our delay loops

COUNT2 ;Second counter for our delay loops

COUNT3

endc

org 0h

goto start

org 4h

retfie

delay

Loop1

decfsz COUNT1, 1 ;Subtract 1 from 255

goto Loop1 ;If COUNT is zero, carry on.

decfsz COUNT2,1 ;Subtract 1 from 255

goto Loop1 ;Go back to the start of our loop.

Loop2

decfsz COUNT1, 1 ;Subtract 1 from 255

goto Loop2 ;If COUNT is zero, carry on.

decfsz COUNT2,1 ;Subtract 1 from 255

goto Loop2 ;Go back to the start of our loop.

decfsz COUNT3,1

goto Loop1

return

start

bcf STATUS, RP1

bcf STATUS, RP0

clrf PORTA

clrf PORTB

movlw b'00000111'

movwf CMCON

bsf STATUS, RP0

movlw b'00000111'

movwf OPTION_REG

clrf TRISA

clrf TRISB

clrf OPTION_REG

bcf STATUS, RP0

movlw b'11111111'

movwf PORTA

movwf PORTB

clrf INTCON

bsf INTCON, GIE

; bsf INTCON, TOIE

movlw .12

movwf TMR0

clrf CONTOR

bucla

;st1

movlw b'01000101'

movwf PORTA

movlw b'00011010'

movwf PORTB

movlw .10

movwf COUNT3

call delay

;st2

movlw b'01001010'

movwf PORTA

movlw b'01001010'

movwf PORTB

movlw .5

movwf COUNT3

call delay

;st3

movlw b'00011010'

movwf PORTA

movlw b'10100101'

movwf PORTB

movlw .10

movwf COUNT3

call delay

;st4

movlw b'10001010'

movwf PORTA

movlw b'00101010'

movwf PORTB

movlw .5

movwf COUNT3

call delay

goto bucla

end

Tabel cu starile logice

Stari

Port

Biti

RA

RB

RA

RB

RA

RB

RA

RB



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