);?//调用延吋函数Delay(10);P2=0x80:Delay(10);?//调用延时函数Delay(10);P2=0xc0;Delay(lO);?//调用延吋函数Delay(10);P2=0xc0;Delay(lO);?//调用延吋函数Delay(10);P2=0xf0;Delay(lO);?//调用延吋函数Delay(10);P2=0xf8;Delay(lO);?//调用延吋函数Delay(10);P2二Oxfc;Delay(lO);?//调川延吋函数Delay(10);P2二Oxfe:Delay(10);//调用延时函数Delay(10);P2=0xff;Delay(10)://调用延时函数Delay(10):i++;if(i>7)i:0;break;case5:if(i=-O)P2:0x00;Delay(lO);//调用延吋函数Delay(10):P2=0x01;Delay(10);//调用延时函数Delay(10):1)2=0x03;Delay(10);//调用延吋闲数Delay(10);P2=0x07:Delay(10);//调用延时函数Delay(10);P2=0x0f;Delay(10);//调用延时函数Delay(10);P2=0xlf;Delay(10);//调用延时函数Delay(10);P2=0x3f;Delay(10);//调用延时函数Delay(10);P2=0x7f;Delay(10);//调用延时函数Delay(10);P2=0xff;Delay(10);Delay(10):i++;if(i〉7)i=0;break;//调用延时函数default:break;}if(i>7)i=0;}}voidintO(void)interrupt0using0{countor++;if(countor>6)countor=0;i:0;P2:0xff;