JT808协议

JT808Package jT808Package = new JT808Package();

jT808Package.Header = new JT808Header
{
    MsgId = Enums.JT808MsgId.位置信息汇报,
    MsgNum = 126,
    TerminalPhoneNo = "123456789012"
};

JT808_0x0200 jT808_0x0200 = new JT808_0x0200();
jT808_0x0200.AlarmFlag = 1;
jT808_0x0200.Altitude = 40;
jT808_0x0200.GPSTime = DateTime.Parse("2018-10-15 10:10:10");
jT808_0x0200.Lat = 12222222;
jT808_0x0200.Lng = 132444444;
jT808_0x0200.Speed = 60;
jT808_0x0200.Direction = 0;
jT808_0x0200.StatusFlag = 2;
jT808_0x0200.JT808LocationAttachData = new Dictionary<byte, JT808_0x0200_BodyBase>();

jT808_0x0200.JT808LocationAttachData.Add(JT808_0x0200_BodyBase.AttachId0x01, new JT808_0x0200_0x01
{
    Mileage = 100
});

jT808_0x0200.JT808LocationAttachData.Add(JT808_0x0200_BodyBase.AttachId0x02, new JT808_0x0200_0x02
{
    Oil = 125
});

jT808Package.Bodies = jT808_0x0200;

byte[] data = JT808Serializer.Serialize(jT808Package);

var hex = data.ToHexString();

// 输出结果Hex：
// 7E 02 00 00 26 12 34 56 78 90 12 00 7D 02 00 00 00 01 00 00 00 02 00 BA 7F 0E 07 E4 F1 1C 00 28 00 3C 00 00 18 10 15 10 10 10 01 04 00 00 00 64 02 02 00 7D 01 13 7E

1.原包：
7E 02 00 00 26 12 34 56 78 90 12 00 (7D 02) 00 00 00 01 00 00 00 02 00 BA 7F 0E 07 E4 F1 1C 00 28 00 3C 00 00 18 10 15 10 10 10 01 04 00 00 00 64 02 02 00 (7D 01) 13 7E

2.进行反转义
7D 02 ->7E
7D 01 ->7D
反转义后
7E 02 00 00 26 12 34 56 78 90 12 00 7E 00 00 00 01 00 00 00 02 00 BA 7F 0E 07 E4 F1 1C 00 28 00 3C 00 00 18 10 15 10 10 10 01 04 00 00 00 64 02 02 00 7D 13 7E

3.拆解
7E                  --头标识
02 00               --数据头->消息ID
00 26               --数据头->消息体属性
12 34 56 78 90 12   --数据头->终端手机号
00 7E               --数据头->消息流水号
00 00 00 01         --消息体->报警标志
00 00 00 02         --消息体->状态位标志
00 BA 7F 0E         --消息体->纬度
07 E4 F1 1C         --消息体->经度
00 28               --消息体->海拔高度
00 3C               --消息体->速度
00 00               --消息体->方向
18 10 15 10 10 10   --消息体->GPS时间
01                  --消息体->附加信息->里程
04                  --消息体->附加信息->长度
00 00 00 64         --消息体->附加信息->数据
02                  --消息体->附加信息->油量
02                  --消息体->附加信息->长度
00 7D               --消息体->附加信息->数据
13                  --检验码
7E                  --尾标识

//1.转成byte数组
byte[] bytes = "7E 02 00 00 26 12 34 56 78 90 12 00 7D 02 00 00 00 01 00 00 00 02 00 BA 7F 0E 07 E4 F1 1C 00 28 00 3C 00 00 18 10 15 10 10 10 01 04 00 00 00 64 02 02 00 7D 01 13 7E".ToHexBytes();

//2.将数组反序列化
var jT808Package = JT808Serializer.Deserialize<JT808Package>(bytes);

//3.数据包头
Assert.Equal(Enums.JT808MsgId.位置信息汇报, jT808Package.Header.MsgId);
Assert.Equal(38, jT808Package.Header.MessageBodyProperty.DataLength);
Assert.Equal(126, jT808Package.Header.MsgNum);
Assert.Equal("123456789012", jT808Package.Header.TerminalPhoneNo);
Assert.False(jT808Package.Header.MessageBodyProperty.IsPackge);
Assert.Equal(0, jT808Package.Header.MessageBodyProperty.PackageIndex);
Assert.Equal(0, jT808Package.Header.MessageBodyProperty.PackgeCount);
Assert.Equal(JT808EncryptMethod.None, jT808Package.Header.MessageBodyProperty.Encrypt);

//4.数据包体
JT808_0x0200 jT808_0x0200 = (JT808_0x0200)jT808Package.Bodies;
Assert.Equal((uint)1, jT808_0x0200.AlarmFlag);
Assert.Equal((uint)40, jT808_0x0200.Altitude);
Assert.Equal(DateTime.Parse("2018-10-15 10:10:10"), jT808_0x0200.GPSTime);
Assert.Equal(12222222, jT808_0x0200.Lat);
Assert.Equal(132444444, jT808_0x0200.Lng);
Assert.Equal(60, jT808_0x0200.Speed);
Assert.Equal(0, jT808_0x0200.Direction);
Assert.Equal((uint)2, jT808_0x0200.StatusFlag);
//4.1.附加信息1
Assert.Equal(100, ((JT808_0x0200_0x01)jT808_0x0200.JT808LocationAttachData[JT808_0x0200_BodyBase.AttachId0x01]).Mileage);
//4.2.附加信息2
Assert.Equal(125, ((JT808_0x0200_0x02)jT808_0x0200.JT808LocationAttachData[JT808_0x0200_BodyBase.AttachId0x02]).Oil);

// 使用消息Id的扩展方法创建JT808Package包
JT808Package jT808Package = Enums.JT808MsgId.位置信息汇报.Create("123456789012",
    new JT808_0x0200 {
        AlarmFlag = 1,
        Altitude = 40,
        GPSTime = DateTime.Parse("2018-10-15 10:10:10"),
        Lat = 12222222,
        Lng = 132444444,
        Speed = 60,
        Direction = 0,
        StatusFlag = 2,
        JT808LocationAttachData = new Dictionary<byte, JT808LocationAttachBase>
        {
            { JT808_0x0200_BodyBase.AttachId0x01,new JT808_0x0200_0x01{Mileage = 100}},
            { JT808_0x0200_BodyBase.AttachId0x02,new JT808_0x0200_0x02{Oil = 125}}
        }
});

byte[] data = JT808Serializer.Serialize(jT808Package);

var hex = data.ToHexString();
//输出结果Hex：
//7E 02 00 00 26 12 34 56 78 90 12 00 01 00 00 00 01 00 00 00 02 00 BA 7F 0E 07 E4 F1 1C 00 28 00 3C 00 00 18 10 15 10 10 10 01 04 00 00 00 64 02 02 00 7D 01 6C 7E

// 全局配置
JT808GlobalConfig.Instance
    //注册自定义消息
    .Register(Assembly.GetCallingAssembly())
    //.SplitPackageStrategy(//todo 实现ISplitPackageStrategy分包策略)
    //.SetCompress(//todo 实现IJT808ICompress压缩算法)
    //.SetMsgIdFactory(//todo 实现IJT808MsgIdFactory消息工厂)
    //.SetMsgSNDistributed(//todo 实现IMsgSNDistributed消息流水号)
    // 跳过校验码验证
    .SetSkipCRCCode(true);

BenchmarkDotNet=v0.11.5, OS=Windows 10.0.17763.379 (1809/October2018Update/Redstone5)
Intel Core i7-8700K CPU 3.70GHz (Coffee Lake), 1 CPU, 12 logical and 6 physical cores
  [Host]     : .NET Framework 4.7.2 (CLR 4.0.30319.42000), 64bit RyuJIT-v4.7.3362.0
  Job-FVMQGI : .NET Framework 4.7.2 (CLR 4.0.30319.42000), 64bit RyuJIT-v4.7.3362.0
  Job-LGLQDK : .NET Core 2.2.5 (CoreCLR 4.6.27617.05, CoreFX 4.6.27618.01), 64bit RyuJIT

Platform=AnyCpu  Runtime=Clr  Server=False