while(1) { key_num=AS608_get_keynum(0,170); if(key_num) { printf("\r\nkey_num:%d\r\n",key_num); if(key_num==1||key_num==3)Handle(); //处理 if(key_num==13)LED0=0; //开灯 if(key_num==15)LED0=1; //关灯 } }