CRC校验位
using System;
static class Program
{
static void Main()
{
string input = "8000";
var bytes = HexToBytes(input);
string hex = Crc16.ComputeChecksum(bytes).ToString("x2");
Console.WriteLine(hex); //c061
}
static byte[] HexToBytes(string input)
{
byte[] result = new byte[input.Length / 2];
for(int i = 0; i < result.Length; i++)
{
result[i] = Convert.ToByte(input.Substring(2 * i, 2), 16);
}
return result;
}
public static class Crc16
{
const ushort polynomial = 0xA001;
static readonly ushort[] table = new ushort[256];
public static ushort ComputeChecksum(byte[] bytes)
{
ushort crc = 0;
for (int i = 0; i < bytes.Length; ++i)
{
byte index = (byte)(crc ^ bytes[i]);
crc = (ushort)((crc