BÀI 1 : CHỚP TẮT LED PIC16F84A XC8

- Ảnh sơ đồ mô phỏng trên protues.

- Đây là code chương trình.

#include <xc.h>
#include <stdio.h>
#include <stdlib.h>
#define _XTAL_FREQ 4000000
// CONFIG
#pragma config FOSC = XT        // Oscillator Selection bits (XT oscillator)
#pragma config WDTE = OFF       // Watchdog Timer (WDT disabled)
#pragma config PWRTE = OFF      // Power-up Timer Enable bit (Power-up Timer is disabled)
#pragma config CP = OFF         // Code Protection bit (Code protection disabled)

void GPIO_init (void);
void Anode (void);
void Cathode (void);
void main (void)
{
    GPIO_init();
    while(1)
    {
        __delay_ms(100);
        Anode();
        Cathode();
        __delay_ms(100);
    }
}
void GPIO_init(void)
{
    TRISBbits.TRISB0 = 0; // RB0 LÀ OUTPUT
    TRISBbits.TRISB7 = 0; // RB7 LÀ OUTPUT
    PORTBbits.RB0 = 1; // OFF LED RB0
    PORTBbits.RB7 = 0; // OFF LED RB7
}
void Anode (void)
{
    PORTBbits.RB0 = 0;
    __delay_ms(500);
    PORTBbits.RB0 = 1;
}
void Cathode (void)
{
    PORTBbits.RB7 = 1;
    __delay_ms(500);
    PORTBbits.RB7 = 0;
}

- Link download project : Click here

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Author : Huỳnh Ngọc Lâm

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