關閉蜂鳴器繼電器點亮led

#include "stc15.h"
sbit buzzer = P0^6;
sbit relay = P0^4;
void main()
{
 
 P2 = (P2&0x1f)|0xa0;
 buzzer = 0;  //close buzzer
 relay = 0;  //close relay
 P2 &= 0X1f;
 
 P2 = (P2&0x1f)|0x80;
 P0 = 0x00;//close led
 P2 &= 0X1f;
 
 while(1);
 
}