function output = tablecreat(crc)
switch(crc)
case 3,
    for i=1:256
        temp1 = crcbit(dectobit(i),3);
        temp2 = [0 0 0 0 0 temp1(9:11)];
        output(i) = bittodec(temp2);
    end
case 6,
    for i=1:256
        temp1 = crcbit(dectobit(i),6);
        temp2 = [0 0 temp1(9:14)];
        output(i) = bittodec(temp2);
    end
case 10,
    for i=1:256
        temp1 = crcbit(dectobit(i),10);
        temp2 = [0 0 0 0 0 0 temp1(9:18)];
        output(i) = bittohex(temp2);
    end
case 40,
    for 
otherwise,
    disp('CRC位數錯誤！請重新調用函數');
end