118 lines
3.4 KiB
C#
118 lines
3.4 KiB
C#
namespace langguanApi.Model
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{
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/// <summary>
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/// 拆分包及应答标志
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/// </summary>
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public class PackageFlag
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{
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public byte V5 { get; set; }
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public byte V4 { get; set; }
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public byte V3 { get; set; }
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public byte V2 { get; set; }
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public byte V1 { get; set; }
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public byte V0 { get; set; }
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/// <summary>
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/// 命令是否应答：1－应答，0－不应答
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/// </summary>
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public byte A { get; set; }
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/// <summary>
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/// 是否有数据包序号：1 - 数据包中包含包号和总包数两部分，0 - 数据包中不包含包号和总包数两部分
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/// </summary>
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public byte D { get; set; }
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/// <summary>
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/// 标准版本号
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/// <para>000000 表示标准 HJ/T212-2005</para>
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/// <para>000001 表示本次标准修订版本号</para>
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/// </summary>
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public string Version
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{
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get
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{
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return $"{V5}{V4}{V3}{V2}{V1}{V0}";
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}
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}
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/// <summary>
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/// 解析
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/// </summary>
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/// <param name="data"></param>
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/// <returns></returns>
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public static PackageFlag Parse(string data)
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{
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byte flag = byte.Parse(data);
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return new PackageFlag()
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{
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V5 = GetBit(flag, 7),
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V4 = GetBit(flag, 6),
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V3 = GetBit(flag, 5),
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V2 = GetBit(flag, 4),
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V1 = GetBit(flag, 3),
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V0 = GetBit(flag, 2),
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D = GetBit(flag, 1),
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A = GetBit(flag, 0)
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};
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}
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/// <summary>
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/// 序列化
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/// </summary>
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/// <returns></returns>
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public string Serialize()
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{
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return Convert.ToInt32($"{V5}{V4}{V3}{V2}{V1}{V0}{D}{A}", 2).ToString();
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}
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/// <summary>
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/// 获取取第index位
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/// </summary>
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/// <remarks>
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/// index从0开始
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/// </remarks>
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/// <param name="b"></param>
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/// <param name="index"></param>
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/// <returns></returns>
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private static byte GetBit(byte b, int index)
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{
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// (byte)((from & (0xFF << (index * 8))) >> (index * 8))
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return ((b & (1 << index)) > 0) ? (byte)1 : (byte)0;
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}
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/// <summary>
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/// 将第index位设为1
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/// </summary>
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/// <remarks>
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/// index从0开始
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/// </remarks>
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/// <param name="b"></param>
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/// <param name="index"></param>
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/// <returns></returns>
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private static byte SetBit(byte b, int index) { return (byte)(b | (1 << index)); }
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/// <summary>
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/// 将第index位设为0
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/// </summary>
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/// <remarks>
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/// index从0开始
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/// </remarks>
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/// <param name="b"></param>
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/// <param name="index"></param>
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/// <returns></returns>
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private static byte ClearBit(byte b, int index) { return (byte)(b & (byte.MaxValue - (1 << index))); }
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/// <summary>
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/// 将第index位取反
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/// </summary>
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/// <remarks>
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/// index从0开始
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/// </remarks>
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/// <param name="b"></param>
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/// <param name="index"></param>
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/// <returns></returns>
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private static byte ReverseBit(byte b, int index) { return (byte)(b ^ (byte)(1 << index)); }
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}
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}
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