public void Decoding(TcpBuffer playload, DataAnalysisResults callback)
{
_list.AddRange(playload.Datas);
while (true)
{
if (_list.Count <= 0)
{
break;
}
if (_list[0] != _head)
{
_list.RemoveAt(0);
continue;
}
if (_list.Count >= 6)
{
var len = BitConverter.ToInt32(_list.Skip(2).Take(4).Reverse().ToArray(), 0);
if (_list.Count >= len)
{
var data = _list.Take(len).ToList();
if (data[len - 2] != 0xFF)
{
_list.RemoveAt(0);
continue;
}
var crc = data[len - 1];
var crc2 = data.Take(len - 1).BccVerifica(0, len - 1);
if (crc != crc2)
{
_list.RemoveAt(0);
continue;
}
var code = data[1];
var temp = data.Skip(6).Take(len - 8).ToList();
temp.Insert(0, code);
var datas = temp.ToArray();
_list.RemoveRange(0, len);
callback?.Invoke(new TcpBuffer(datas, 0, datas.Length));
}
else
{
break;
}
}
else
{
break;
}
}
}
public void Decoding(TcpBuffer playload, DataAnalysisResults callback)
{
list.AddRange(playload.Datas);
while (true)
{
if (list.Count <= 0)
{
break;
}
if (list.Count < 2)
{
break;
}
var head = list.Take(2).ToArray();
if (!CheckShortArray(head, this._head))
{
list.RemoveAt(0);
continue;
}
if (list.Count >= 8)
{
var len = BitConverter.ToInt32(list.Skip(2).Take(4).Reverse().ToArray(), 0);
var code = list.Skip(6).Take(2).Reverse().ToArray();
if (list.Count < len + 10)
{
break;
}
var tail = list.Skip(len + 8).Take(2).ToArray();
if (!CheckShortArray(tail, this._tail))
{
list.RemoveAt(0);
continue;
}
var data = list.Skip(8).Take(len).ToList();
data.InsertRange(0, code);
list.RemoveRange(0, len + 10);
callback?.Invoke(new TcpBuffer(data.ToArray(), 0, data.Count));
}
else
{
break;
}
}
}
public void Decoding(TcpBuffer playload, DataAnalysisResults callback)
{
_list.AddRange(playload.Datas);
while (true)
{
if (_list.Count < 1)
{
break;
}
if (_list.Count >= 1)
{
if (_list[0] != 0xEA)
{
_list.RemoveAt(0);
continue;
}
}
if (_list.Count >= 2)
{
if (_list[1] != 0x56)
{
_list.RemoveAt(0);
continue;
}
}
if (_list.Count >= 10)
{
int pageLen = BitConverter.ToInt32(_list.Skip(6).Take(4).Reverse().ToArray(), 0);//包长度
if (pageLen <= 0)
{
_list.RemoveAt(0);
continue;
}
if (_list.Count < pageLen)
{
break;
}
if (_list.Count >= pageLen)
{
var arry = _list.Take(pageLen).Skip(pageLen - 3).ToArray();//消息尾有三个字节，因为校验码占2个字节
if (arry[0] != 0xFF)
{
_list.RemoveAt(0);
continue;
}
CRC crc = new CRC();
ushort checksum1 = crc.CRC16_MODBUS(_list.Take(pageLen - 2).ToArray());
ushort checksum2 = BitConverter.ToUInt16(arry.Skip(1).ToArray(), 0);
if (checksum1 != checksum2)
{
_list.RemoveAt(0);
continue;
}
var dataLen = BitConverter.ToInt32(_list.Skip(10).Take(4).Reverse().ToArray(), 0);
if (dataLen > pageLen - (2 + 4 + 4 + 4 + 1 + 2))
{
_list.RemoveAt(0);
continue;
}
var data = _list.Skip(14).Take(dataLen).ToArray();
List <byte> temps = new List <byte>();
temps.AddRange(_list.Skip(2).Take(4).Reverse());
temps.AddRange(data);
callback?.Invoke(new TcpBuffer()
{
Datas = temps.ToArray(), Count = temps.Count, Offset = 0
});
_list.RemoveRange(0, pageLen);
}
}
else
{
break;
}
}
}
