LẬp trÌnh pic16f877a trÊn mplab xc8
 

BÀI 1 : CHỚP TẮT LED PIC16F877A XC8
- Đây là code chương trình.
#include <stdio.h>
#include <stdlib.h>
#define _XTAL_FREQ 4000000
#include <xc.h>
// CONFIG
#pragma config FOSC = XT // Oscillator Selection bits (XT oscillator)
#pragma config WDTE = OFF // Watchdog Timer Enable bit (WDT disabled)
#pragma config PWRTE = OFF // Power-up Timer Enable bit (PWRT disabled)
#pragma config BOREN = OFF // Brown-out Reset Enable bit (BOR disabled)
#pragma config LVP = OFF // Low-Voltage (Single-Supply) In-Circuit Serial Programming Enable bit (RB3 is digital I/O, HV on MCLR must be used for programming)
#pragma config CPD = OFF // Data EEPROM Memory Code Protection bit (Data EEPROM code protection off)
#pragma config WRT = OFF // Flash Program Memory Write Enable bits (Write protection off; all program memory may be written to by EECON control)
#pragma config CP = OFF // Flash Program Memory Code Protection bit (Code protection off)
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;
}
Ảnh mô phỏng và project các bạn download tại file đính kèm bên dưới hoặc vào link sau download http://xcvn.blogspot.com/2015/11/cho...f877a-xc8.html