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//Chuong trinh dieu khien led nhap nhay
#include <REGX51.H>
sbit led0 =P1^0;
sbit led1 =P1^1;
sbit led2 =P1^2;
sbit led3 =P1^3;
sbit led4 =P1^4;
sbit led5 =P1^5;
sbit led6 =P1^6;
sbit led7 =P1^7;
//Hàm tao tre
void delay(unsigned int ms)//tao tre voi don vi la ms
{
unsigned char i,j;//khai báo kieu char moi bien la 1 byte
for(i=0;i<ms;i++)
for(j=0;j<120;j++)
{}
}//không làm gì ca
main()
{
while(1)
{
P1=0x01;delay(1000);//led0 sang 1s
P1=0x03;delay(1000);//led0,1 sang ....
P1=0x05;delay(1000);//led0,1,2 sang ....
P1=0x0F;delay(1000);//led0,1,2,3 sang ...
P1=0x1F;delay(1000);//led0,1,2,3,4 sang ...
P1=0x2F;delay(1000);//led0,1,2,3,4,5 sang ....
P1=0x7F;delay(1000);//led0,1,2,3,4,5,6 sang .....
P1=0xFF;delay(1000);//led0,1,2,3,4,5,6,7 sang ........
}
}
Tìm hiểu thêm về Tuananh_95
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