C # Bcc XOR checksum method

The last one in the communication protocol is the check digit.

Adopt BCC(Xor check) method

How do you explain this?

is to convert a 16 binary string into byte[] data, then take it out for an XOR and then return the value and check the comparison to see if it's right

For example:

232301fe313233343536373839303132333435363701001e0f01021226270001383938363032623531333136353033393731363001009e

The last one is 9E decimal for 158

Then we'll intercept the front part of 9E.

232301fe313233343536373839303132333435363701001e0f0102122627000138393836303262353133313635303339373136300100

Incoming method

<summary>
BCC and checksum code
</summary>
<param name= "Data" > packets that need to be validated </param>
<returns></returns>
Public byte Get_checkxor (byte[] data)
{
byte Checkcode = 0;
int len = data. Length;
for (int i = 0; i < len; i++)
{
Checkcode ^= Data[i];
}
return checkcode;
}

Return the same as the result is 158

If you haven't read it yet, we'll go back to 16.

<summary>
BCC and checksum code return 16 binary
</summary>
<param name= "Data" > packets that need to be validated </param>
<returns></returns>
public string Getbccxorcode (byte[] data)
{
byte Checkcode = 0;
int len = data. Length;
for (int i = 0; i < len; i++)
{
Checkcode ^= Data[i];
}
Return convert.tostring (Checkcode, 16). ToUpper ();
}

Return 9E

Learned a morning decided to share under the hope can help to the newly contacted classmates

C # bcc XOR checksum