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35 lines
875 B
35 lines
875 B
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace AIK.Common.AIKProtocol
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{
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public static class ProtocolHelper
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{
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public static ushort CalculateCRC16(IEnumerable<byte> data)
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{
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if (data == null || !data.Any())
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return 0;
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ushort crc = 0;
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foreach (byte b in data)
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{
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crc ^= (ushort)(b << 8);
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for (int i = 0; i < 8; i++)
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{
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if ((crc & 0x8000) != 0)
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{
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crc = (ushort)((crc << 1) ^ 0x1021);
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}
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else
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{
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crc = (ushort)(crc << 1);
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}
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}
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}
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return crc;
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}
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}
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}
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