/// <summary>
/// 湿度 01H N(5,2) 1AH 百分比
/// 温度 02H N(5,2) 1AH 摄氏度
/// 湿度阈值 04H N(5,2) 1AH 百分比
/// 温度阈值 05H N(5,2) 1AH 摄氏度
/// 温湿度/温湿度阈值，BCD码，3字节
/// 示例：01 1A 00 88 66 02 1A 00 12 34
/// 04 1A 00 55 66 05 1A 00 66 55
/// </summary>
/// <param name="data"></param>
/// <returns></returns>
public static double Humiture(byte[] data)
{
byte[] temp = BytesUtil.SubBytes(data, 2, 3);
string bcdStr = BCDUtil.ConvertTo(temp);
return(Convert.ToInt64(bcdStr) / 100.0);
}
public bool CheckCRC(byte[] crc, int endBeforeLength)
{
byte[] checkData = new byte[endBeforeLength];
Array.Copy(Data, 0, checkData, 0, endBeforeLength);
string str = BytesUtil.ToHexString(CRCUtil.CRC16(checkData));
return(str.Equals(BytesUtil.ToHexString(crc)));
}
public byte[] ToByte()
{
string[] code = new string[] { "15", "A5" };
List <byte> list = new List <byte>();
list.AddRange(new byte[] { 0x08, 0x08 });
list.AddRange(BytesUtil.ToHexArray(Code));
list.AddRange(new byte[] { 0x06, 0x08 });
list.AddRange(BytesUtil.ToHexArray(code[State.RelayOne]));
list.AddRange(new byte[] { 0x07, 0x08 });
list.AddRange(BytesUtil.ToHexArray(code[State.RelayTwo]));
list.AddRange(new byte[] { 0x09, 0x08 });
list.AddRange(BytesUtil.ToHexArray(code[State.Dehumidify]));
return(list.ToArray());
}
public byte[] ToByte()
{
List <byte> list = new List <byte>();
list.AddRange(new byte[] { 0x08, 0x08 });
list.AddRange(BytesUtil.ToHexArray(Code));
list.AddRange(new byte[] { 0x04, 0x1A });
string _humLimit = (Math.Round(HumidityLimit, 2) * 100).ToString().PadLeft(6, '0');
list.AddRange(BCDUtil.ConvertFrom(_humLimit, 3));
list.AddRange(new byte[] { 0x05, 0x1A });
string _temLimit = (Math.Round(TemperatureLimit, 2) * 100).ToString().PadLeft(6, '0');
list.AddRange(BCDUtil.ConvertFrom(_temLimit, 3));
return(list.ToArray());
}
private byte[] Decode(byte[] data, ref Element element)
{
if (data.Length == 0 || !Enum.IsDefined(typeof(DecodeType), data[0]))
{
return(new byte[0]);
}
int length = GetLength(data[0]);
if (length == 0 || data.Length < length)
{
return(new byte[0]);
}
switch ((DecodeType)data[0])
{
case DecodeType.Code:
element.Code = ElementDecodeFunctions.Code(data);
break;
case DecodeType.Humidity:
element.Humidity = ElementDecodeFunctions.Humiture(data);
break;
case DecodeType.Temperature:
element.Temperature = ElementDecodeFunctions.Humiture(data);
break;
case DecodeType.State:
element.State = ElementDecodeFunctions.State(data);
break;
case DecodeType.HumidityLimit:
element.HumidityLimit = ElementDecodeFunctions.Humiture(data);
break;
case DecodeType.TemperatureLimit:
element.TemperatureLimit = ElementDecodeFunctions.Humiture(data);
break;
}
return(BytesUtil.SubBytes(data, length));
}
public List <Element> ReadAll()
{
List <Element> list = new List <Element>();
do
{
//如果数据头不是主从机地址，则取消解析
if (!(LeftData[0].Equals((byte)DecodeType.Code) && LeftData[1].Equals(0x08)))
{
break;
}
Element element = Read(LeftData);
list.Add(element);
LeftData = BytesUtil.SubBytes(LeftData, element.DataLength);
} while (LeftData.Length > 0);
return(list);
}
public RecieveMessage Read()
{
RecieveMessage message = new RecieveMessage();
message.Content = BytesUtil.ToHexString(BaseDecode.Data);
message.CenterCode = CenterCode();
message.ClientCode = ClientCode();
message.SendTime = SendTime();
message.Serial = Serial();
message.FunctionCode = FunctionCode();
message.DataLength = DataLength();
message.CRC = CRC(message.DataLength + 21);
message.IsChecked = false;
//只有数据主体起始符和结束符位置都正确，才会继续解析数据主体
if (!BaseDecode.IsChecked)
{
return(message);
}
//心跳包不进行解析
if (!message.FunctionCode.Equals("F2"))
{
byte[] bodyData = Body(message.DataLength);
message.Body = bodyData;
//如果是召测数据或者客户端自报数据，数据主体以采集时间开头，截取后在进行解码
if (message.FunctionCode.Equals("B0") || message.FunctionCode.Equals("C0"))
{
message.DataTime = DataTime(bodyData);
//如果不是以E0E0开头，则说明包体内容错误，无需向下解析
if (!BaseDecode.IsChecked)
{
return(message);
}
bodyData = BytesUtil.SubBytes(bodyData, 7);
}
if (message.FunctionCode.Equals("B3"))
{
ElementB3Decode b3Decode = new ElementB3Decode(bodyData);
message.Data = b3Decode.Read();
}
else
{
ElementDecode decode = new ElementDecode(bodyData);
List <Element> dataList = decode.ReadAll();
if (message.FunctionCode.Equals("B0") || message.FunctionCode.Equals("C0"))
{
message.Data = dataList.Select(q => new B0C0Element(q)).ToList();
}
else if (message.FunctionCode.Equals("B1"))
{
message.Data = dataList.Select(q => new B1Element(q)).ToList();
}
else if (message.FunctionCode.Equals("B2"))
{
message.Data = dataList.Select(q => new B2Element(q)).ToList();
}
}
}
bool isChecked = BaseDecode.IsChecked;
//如果以上都通过，则校验最后的CRC码
if (isChecked)
{
isChecked = BaseDecode.CheckCRC(message.CRC, message.DataLength + 21);
}
message.IsChecked = isChecked;
return(message);
}