[phankieu32k0515]

Nguyên văn bởi thongdtvtk7a

#include <16F877A.h>
void main()
{
int k,i,p,t;
Set_tris_b(0);
while(1){
//sang ,tat
{ output_b(0x00); delay_ms(300);
output_b(0xFF); delay_ms(300);
}
//chay tu trai qua phai
for(k=0x01;k<0x100;k<<=1)
{output_b(k); delay_ms(300);}
//chay tu phai qua trai
for(k=0x80;k>0;k>>=1){output_b(k); delay_ms(300);}
//chay tu giua ra ngoai
for(p=0x08,t=0x10;p>0;p>>=1){output_b(p|t);delay_m s(300); t<<=1; }
//chay tu giua vao trong
for(p=0x80,t=0x01;p>0;p>>=1){output_b(p|t);delay_m s(300); t<<=1; }
//chay sang dan tu phai qua trai va nguoc lai
k=0x00;
for(i=0x01;i<0x100;i<<=1){k=k+i; {output_b(k);delay_ms(300); }}
for(i=0x80;i>0;i<<=1);{k=k-i; {output_b(k);delay_ms(300);}}
}
}

có ccs không sư huynh