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KHI DICH THI BAO LOI O DONG: rotate_right(PORTA);

MOI NGUOI CHI GIUP




#include <18f4331.h>
#include <def_4331.h>
#fuses HS,NOWDT,NOPROTECT
#use delay(clock=20000000)

#use fast_io(a)
#use fast_io(b)
#use fast_io(c)
#use fast_io(d)
#use fast_io(e)



void delay()
{
// dieu khien T0CON=TMR0ON-T016BI-T0CS-PSA-T0PS2-T0PS1-T0SP0


T016BIT=1; // CHON TIMER 8
T0CS=1; //CHON Fosc=1/4 OS
PSA=1; // KHONG CHON PRESCALER
/*
NEU CHON PRRESCALER

THI PSA=0
T0PS2-T0PS1-T0SP0 // CHON GIA TRI BO CHIA
CHON THEO DATA SHEET
111 = 1:256
110= 1:128
101 =1:64
100 = 1:32
011 = 1:16
010 =1:8
001 = 1:4
000 = 1: 2

*/
TMR0ON=1; // CHO PHEP TIMER0 HOAT DONG
TMR0L=100;
TMR0H=100;
if(TMR0IF==1){
TMR0IF=0;
TMR0ON=0;
}

}



main()
{
Trisb=0b00000000;


while(true)
{
porta=0b01111111;

delay();
rotate_right(PORTA);

}






}