void scan(unsigned char Value)
{switch(Value)
{case 0: scan0;break;
case 1: scan1;break;
case 2: scan2;break;
case 3: scan3;break;
case 4: scan4;break;
case 5: scan5;break;
case 6: scan6;break;
case 7: scan7;break;
case 8: scan8;break;
case 9: scan9;break;
case 10:scan10;break;
case 11:scan11;break;
case 12:scan12;break;
case 13:scan13;break;
case 14:scan14;break;
case 15:scan15;break;
default:break;
}
}