main.c

some reference exercise of C language

// Khai bao cac file header
#include	<AT89X52.H>
#include	<Kit8051.h>

// Khai bao cac ham
void Delay(unsigned int n);
void InitSystem(void);

// Dinh nghia cac ham
void Delay(unsigned int n)
{
	unsigned int i,j;
	for(i=0;i<n;i++)
		for(j=0;j<1000;j++);
}
void InitSystem(void)
{
	LCD_E = 0;
}
// Chuong trinh chinh
void main(void)
{
	// Khoi tao he thong
	InitSystem();
	// Vong lap vo tan
	while(1)
	{
		P0 = ~P0;
		Delay(100);
	}
}