///<summary>
/// 查询报文
///</summary>
///<returns></returns>
public override string Serialize()
{
//包头 F3
//功能码 02
//变量数 2bytes
//I口数 2bytes
//O口数 2bytes
//CRC校验 2bytes
var data = new List <string>
{
Header,
Convert.ToString(FunctionCode, 16),
Convert.ToString((byte)(ValNum & 0xff), 16),
Convert.ToString((byte)((ValNum >> 8) & 0xff), 16),
Convert.ToString((byte)(InNum & 0xff), 16),
Convert.ToString((byte)((InNum >> 8) & 0xff), 16),
Convert.ToString((byte)(OutNum & 0xff), 16),
Convert.ToString((byte)((OutNum >> 8) & 0xff), 16)
};
var crc = CrcHelper.GetCrc16(data);
data.AddRange(crc);
return(data.Join(","));
}
public void TestCRC16BlockSum()
{
//see: https://www.sps-forum.de/hochsprachen-opc/56412-upload-von-block-zur-s7-2.html
var bytes = new byte[] { 0x0C, 0x00, 0x0E, 0xC0, 0x00, 0xC1, 0x00, 0xC3, 0x00, 0xC4, 0x00, 0xC5, 0x00, 0xD8, 0x80, 0x65, 0x00 };
var crc = CrcHelper.GetCrc16(bytes);
Assert.AreEqual(crc, 0x7822);
}
public bool IsAll()
{
if (!DataStrList.Any())
{
return(false);
}
var len = DataStrList.Count();
var body = DataStrList.Take(len - 2);
var crc = CrcHelper.GetCrc16(body).ToArray();
return(crc.Length == 2 && crc[1] == DataStrList.ElementAt(len - 1) && crc[0] == DataStrList.ElementAt(len - 2));
}
///<summary>
/// 设置变量报文
///</summary>
///<returns></returns>
public override string Serialize()
{
ValNum = Vals.Count;
//包头 F3
//功能码 05
//变量数 2bytes
//地址数据 2bytes
//变量数据 4bytes
//CRC校验 2bytes
var data = new List <string>
{
Header,
Convert.ToString(FunctionCode, 16),
Convert.ToString((byte)(ValNum & 0xff), 16),
Convert.ToString((byte)((ValNum >> 8) & 0xff), 16),
};
var cData1 = new List <string>();
var tData1 = new List <string>();
var cData2 = new List <string>();
var tData2 = new List <string>();
foreach (var valuePair in Vals)
{
tData1.Clear();
var key = valuePair.Key;
for (var i = 0; i < 2; i++)
{
tData1.Add(Convert.ToString((byte)(key >> i * 8 & 0xff), 16));
}
cData1.AddRange(tData1);
tData2.Clear();
var val = valuePair.Value;
for (var i = 0; i < 4; i++)
{
tData2.Add(Convert.ToString((byte)(val >> i * 8 & 0xff), 16));
}
cData2.AddRange(tData2);
}
data.AddRange(cData1);
data.AddRange(cData2);
var crc = CrcHelper.GetCrc16(data);
data.AddRange(crc);
return(data.Join(","));
}
/// <summary>
/// 0 成功 1 失败
/// </summary>
/// <returns></returns>
public override dynamic Deserialize(string response)
{
var datas = response.Split(",");
//包头 F3
//功能码 05
if (datas.Length == 0 || datas[0] != "f3" || datas[1] != "05")
{
return(null);
}
//CRC校验 2bytes
var bCrc = datas.Skip(3);
var crc = CrcHelper.GetCrc16(datas.Take(datas.Length - 2));
return(datas[2] == "00" ? 0 : 1);
}
///<summary>
/// 重启报文
///</summary>
///<returns></returns>
public override string Serialize()
{
// 包头 F3
// 功能码 03
// 子功能码 00
// CRC校验 2bytes
var data = new List <string>
{
Header,
Convert.ToString(FunctionCode, 16),
Convert.ToString(SubFunctionCode, 16),
};
var crc = CrcHelper.GetCrc16(data);
data.AddRange(crc);
return(data.Join(","));
}
///<summary>
/// 报文
///</summary>
///<returns></returns>
public override string Serialize()
{
//0xF1 10 00 00 01,41,00,00,脚本长度4字节小端，密码长度4字节小端 CRC
// 包头 F1
// 功能码 10
// 子功能码 00
// 操作码 00
// 脚本长度4字节小端 01,41
// 密码长度4字节小端 00,00
// CRC校验 2bytes
var data = new List <string>
{
Header,
FunctionCode.ToString(),
Convert.ToString(SubFunctionCode, 16),
Convert.ToString(OperateCode, 16),
"01",
"41",
"00",
"00"
};
var cData = new List <string>();
for (var i = 0; i < 4; i++)
{
cData.Add(Convert.ToString((byte)(DataLength >> i * 8 & 0xff), 16));
}
data.AddRange(cData);
cData.Clear();
for (var i = 0; i < 4; i++)
{
cData.Add(Convert.ToString((byte)(PwdLength >> i * 8 & 0xff), 16));
}
data.AddRange(cData);
var crc = CrcHelper.GetCrc16(data);
data.AddRange(crc);
return(data.Join(","));
}
public byte[] BuildBytes()
{
var list = new List <byte>();
list.AddRange(Header);
list.AddRange(EncodingHelper.HexToBytes(Length.ToHex(4)));
list.AddRange(EncodingHelper.HexToBytes(SessionId));
list.AddRange(Device.Bytes);
list.AddRange(Command.GetBytes());
Crc16 = CrcHelper.GetCrc16(list.ToArray()).ToHex(4);
list.AddRange(EncodingHelper.HexToBytes(Crc16));
Body = list.CloneRange(Header.Length + 2, Length).ToArray();
BodyHex = Body.ToHex();
EncryptedBody = filter.Crypto.Encrypt(Body);
list.RemoveRange(Header.Length + 2, Length);
list.AddRange(EncryptedBody);
return(list.ToArray());
}