private bool IsValid(byte[] buff)
{
if (buff == null || buff.Length <= InfoSize)
{
ErrorCode = (int)Errors.ERR_INVALID_DATA;
ErrorMsg = string.Format("Invalid msg: null or too short: {0}", buff != null ? buff.Length : 0);
Log.Debug(ErrorMsg + ":" + ValueHelper.BytesToHexStr(buff));
return(false);
}
if (buff[0] != ByteHead || buff[buff.Length - 1] != ByteTail)
{
ErrorCode = (int)Errors.ERR_INVALID_DATA;
ErrorMsg = string.Format("Invalid TranMsg format: HEAD/TAIL error: len={0}, H={1},T={2}", buff.Length,
buff[0], buff[buff.Length - 1]);
Log.DebugFormat(ErrorMsg);
return(false);
}
byte crc8 = ValueHelper.CheckCRC8(buff, 0, buff.Length - 3);
if (crc8 != buff[buff.Length - 2])
{
ErrorCode = (int)Errors.ERR_INVALID_DATA;
ErrorMsg = string.Format("CRC Error: {0}!={1}", crc8, buff[buff.Length - 2]);
Log.DebugFormat(ErrorMsg);
return(false);
}
ErrorCode = (int)Errors.SUCCESS;
return(true);
}
private const int IDX_FRAMEL = 31; // 去：0xCF,回：0xDF
/// <summary>
/// 编码： PC -> Sensor
/// </summary>
/// <param name="sensor"></param>
/// <returns></returns>
public void Request(ref SensorAcqResult sensorAcq)
{
try
{
if (sensorAcq.Sensor.ModuleNo > ushort.MaxValue)
{
sensorAcq.ErrorCode = (int)Errors.ERR_INVALID_MODULE;
sensorAcq.Request = null;
return;
}
byte[] buff = new byte[32];
buff[IDX_FrameH] = 0xFC;
buff[IDX_DevType] = 0x01;
ValueHelper.WriteUShort_BE(buff, IDX_DevId, (ushort)sensorAcq.Sensor.ModuleNo);
buff[IDX_ORDER] = 0x01;
buff[IDX_CRC8] = ValueHelper.CheckCRC8(buff, 1, 29);
buff[IDX_FRAMEL] = 0xCF;
sensorAcq.ErrorCode = (int)Errors.SUCCESS;
sensorAcq.Request = buff;
}
catch
{
sensorAcq.Request = null;
sensorAcq.ErrorCode = (int)Errors.ERR_UNKNOW;
}
}
public int IsValid(byte[] data)
{
if (data == null || data.Length != 32)
{
return((int)Errors.ERR_INVALID_DATA);
}
if (@data[IDX_FrameH] != 0xFD || @data[IDX_DevType] != 0x01 || @data[IDX_FRAMEL] != 0xDF)
{
return((int)Errors.ERR_INVALID_DATA);
}
if (data[IDX_CRC8] == ValueHelper.CheckCRC8(data, 1, 29))
{
return((int)Errors.SUCCESS);
}
return((int)Errors.ERR_CRC);
}
public byte[] Marshall()
{
int size = Data.Length + InfoSize;
byte[] buff = new byte[size];
buff[0] = ByteHead;
buff[1] = ID;
buff[2] = (byte)Type;
buff[3] = PackageIndex;
buff[4] = PackageCount;
ValueHelper.WriteShort(buff, 5, (short)LoadSize); // 5,6
buff[7] = 0xFF;
Array.Copy(Data, 0, buff, LoadOffset, Data.Length);
// XOR
buff[size - 2] = ValueHelper.CheckCRC8(buff, 0, size - 3);
buff[size - 1] = ByteTail;
return(buff);
}
public void TestParseTempHumidityResponse()
{
DbAccessorHelper.Init(new MsDbAccessor(connstr)); // 配置
TempHumiditySensorAdapter ci = new TempHumiditySensorAdapter();
string bs = "FD0100230000"; //0-5
bs += "01"; // 命令号 6=01
bs += "000055"; // Hum: 7-9: 01 H L = 85
bs += "41CC0000"; // Temp 10-13,float, = 25.5
bs += "000000000000000000000000000000005EDF";
byte[] buff = ValueHelper.ToBytes(bs);
byte crc = ValueHelper.CheckCRC8(buff, 1, 29);
buff[30] = crc;
SensorAcqResult r = new SensorAcqResult
{
Response = buff,
Sensor = new Sensor()
{
ModuleNo = 35,
ChannelNo = 1,
TableColums = "Humidity,Temperature"
}
};
ci.ParseResult(ref r);
var data = r.Data;
Assert.IsNotNull(data);
Assert.AreEqual(25.50, data.RawValues[0]);
Assert.AreEqual(0.85, data.RawValues[1]);
bs = "Fc0100230000"; //0-5
bs += "01"; // 命令号 6=01
bs += "000055"; // Hum: 7-9: 01 H L = 85
bs += "41CC0000"; // Temp 10-13,float, = 25.5
bs += "000000000000000000000000000000005EDF";
buff = ValueHelper.ToBytes(bs);
crc = ValueHelper.CheckCRC8(buff, 1, 29);
buff[30] = crc;
r.Response = buff;
ci.ParseResult(ref r);
Assert.AreEqual((int)Errors.ERR_INVALID_DATA, r.ErrorCode);
}
