private OBDParameterValue GetJ1939Value(OBDParameter param, OBDResponse response)
{
OBDParameterValue value2 = new OBDParameterValue();
if (response.Header.Substring(2, 2) == "E8")
{
// J1939的确认消息，非正确的返回值
value2.ErrorDetected = true;
return(value2);
}
switch (param.Parameter)
{
case 0xFECE:
value2 = GetDM5Value(param, response);
break;
case 0xD300:
value2 = GetDM19Value(param, response);
break;
case 0xFEEC:
// VIN
value2.ListStringValue = SetMode09ASCII(17 * 2, response);
break;
}
return(value2);
}
private OBDParameterValue GetDM19Value(OBDParameter param, OBDResponse response)
{
OBDParameterValue value2 = new OBDParameterValue();
if (response.GetDataByteCount() < 20)
{
value2.ErrorDetected = true;
return(value2);
}
int qty = response.Data.Length / (20 * 2);
string strData = "";
int OriginalParam = param.Parameter;
int OriginalService = param.Service;
param.Service = 9;
switch (param.SignalName)
{
case "CVN":
param.Parameter = 0x06;
for (int i = 0; i < qty; i++)
{
strData += response.Data.Substring(i * 20 * 2, 4 * 2);
}
response.Data = strData;
value2 = GetMode010209Value(param, response);
for (int i = 0; i < value2.ListStringValue.Count; i++)
{
string strVal = value2.ListStringValue[i];
value2.ListStringValue[i] = strVal.Substring(6, 2) + strVal.Substring(4, 2) + strVal.Substring(2, 2) + strVal.Substring(0, 2);
}
break;
case "CAL_ID":
param.Parameter = 0x04;
for (int i = 0; i < qty; i++)
{
strData += response.Data.Substring(4 * 2 + i * 20 * 2, 16 * 2);
}
response.Data = strData;
value2 = GetMode010209Value(param, response);
break;
default:
value2.ErrorDetected = true;
break;
}
param.Parameter = OriginalParam;
param.Service = OriginalService;
return(value2);
}
private OBDParameterValue GetDM5Value(OBDParameter param, OBDResponse response)
{
OBDParameterValue value2 = new OBDParameterValue();
if (response.GetDataByteCount() < 8)
{
value2.ErrorDetected = true;
return(value2);
}
switch (param.SignalName)
{
case "":
case "OBDSUP":
// OBD型式
response.Data = response.GetDataByte(2);
value2 = GetPIDValue(0x11C, response.Data, param.SignalName);
break;
case "ACT_DTC_CNT":
// 激活的故障代码，未实现解析功能
response.Data = response.GetDataByte(0);
break;
case "PRE_DTC_CNT":
// 先前激活的诊断故障代码，未实现解析功能
response.Data = response.GetDataByte(1);
break;
case "CON_MON":
// 持续监视系统支持／状态，未实现解析功能
response.Data = response.GetDataByte(3);
break;
case "NON_SUP":
// 非持续监视系统支持，未实现解析功能
response.Data = response.GetDataByte(4) + response.GetDataByte(5);
break;
case "NON_STAT":
// 非持续监视系统状态，未实现解析功能
response.Data = response.GetDataByte(6) + response.GetDataByte(7);
break;
default:
value2.ErrorDetected = true;
break;
}
return(value2);
}
private string GetLogString(OBDParameter param, OBDParameterValue obdValue)
{
string strRet = "Values: ";
if ((param.ValueTypes & (int)OBDParameter.EnumValueTypes.Double) == (int)OBDParameter.EnumValueTypes.Double)
{
strRet += string.Format("[ECU: {1}, Double: {0}] ", obdValue.DoubleValue.ToString(), obdValue.ECUResponseID);
}
if ((param.ValueTypes & (int)OBDParameter.EnumValueTypes.Bool) == (int)OBDParameter.EnumValueTypes.Bool)
{
strRet += string.Format("[ECU: {1}, Bool: {0}] ", obdValue.BoolValue.ToString(), obdValue.ECUResponseID);
}
if ((param.ValueTypes & (int)OBDParameter.EnumValueTypes.String) == (int)OBDParameter.EnumValueTypes.String)
{
strRet += string.Format("[ECU: {1}, String: {0}] ", obdValue.StringValue, obdValue.ECUResponseID);
}
if ((param.ValueTypes & (int)OBDParameter.EnumValueTypes.ListString) == (int)OBDParameter.EnumValueTypes.ListString)
{
strRet += string.Format("[ECU: {0}, ListString: ", obdValue.ECUResponseID);
if (obdValue.ListStringValue != null && obdValue.ListStringValue.Count > 0)
{
foreach (string strx in obdValue.ListStringValue)
{
strRet = string.Concat(strRet, strx + ", ");
}
strRet = strRet.Substring(0, strRet.Length - 2);
}
strRet += "]";
}
if ((param.ValueTypes & (int)OBDParameter.EnumValueTypes.ShortString) == (int)OBDParameter.EnumValueTypes.ShortString)
{
strRet += string.Format("[ECU: {1}, ShortString: {0}] ", obdValue.ShortStringValue, obdValue.ECUResponseID);
}
if ((param.ValueTypes & (int)OBDParameter.EnumValueTypes.BitFlags) == (int)OBDParameter.EnumValueTypes.BitFlags)
{
strRet += string.Format("[ECU: {0}, BitFlags: ", obdValue.ECUResponseID);
for (int idx = 0; idx < 32; idx++)
{
strRet += (obdValue.GetBitFlag(idx) ? "1" : "0");
if (idx % 8 == 7)
{
strRet += " ";
}
}
strRet = strRet.TrimEnd() + "]";
}
strRet = strRet.TrimEnd();
return(strRet);
}
public OBDParameterValue GetMode03070AValue(OBDResponse response)
{
OBDParameterValue value2 = new OBDParameterValue();
List <string> strings = new List <string>();
for (int i = 0; i <= response.Data.Length - 4; i += 4)
{
string str = GetDTCName(response.Data.Substring(i, 4));
if (str.CompareTo("P0000") != 0)
{
strings.Add(str);
}
}
value2.ListStringValue = strings;
return(value2);
}
public OBDParameterValue GetPIDSupport(OBDResponse response)
{
OBDParameterValue value2 = new OBDParameterValue();
if (response.GetDataByteCount() < 4)
{
value2.ErrorDetected = true;
return(value2);
}
int dataA = Utility.Hex2Int(response.GetDataByte(0));
int dataB = Utility.Hex2Int(response.GetDataByte(1));
int dataC = Utility.Hex2Int(response.GetDataByte(2));
int dataD = Utility.Hex2Int(response.GetDataByte(3));
value2.SetBitFlagBAT(dataA, dataB, dataC, dataD);
return(value2);
}
public OBDParameterValue GetPIDValue(uint ID, string strData, string signalName)
{
OBDParameterValue value2 = new OBDParameterValue();
Message msg = _netWork.GetMessage(ID);
if (msg == null && ID < 0x80000000)
{
msg = _netWork.GetMessage(ID + 0x80000000);
}
if (msg == null)
{
value2.ErrorDetected = true;
}
else
{
if (msg.SetSignalRawValue(strData))
{
value2.Message = msg;
foreach (Signal signal in msg.Signals.Values)
{
signal.DisplayString = _dbc.GetDisplayString(signal, "不适用");
if (signalName == signal.Name || signalName.Length == 0)
{
int iUsed = signal.TestSignalUesed();
if (iUsed > 0)
{
value2.DoubleValue = Math.Round(signal.Value, 2);
value2.BoolValue = signal.RawValue > 0;
foreach (string item in signal.ListString)
{
value2.ListStringValue.Add(item);
}
value2.ShortStringValue = signal.DisplayString;
value2.StringValue = value2.ShortStringValue;
}
}
}
}
else
{
value2.ErrorDetected = true;
}
}
return(value2);
}
public List <OBDParameterValue> GetValueList(OBDParameter param)
{
List <OBDParameterValue> ValueList = new List <OBDParameterValue>();
_log.TraceInfo("Requesting: " + param.OBDRequest);
OBDResponseList responses = _obdDevice.Query(param);
string strItem = "Responses: ";
if (responses.ErrorDetected)
{
strItem += "Error Detected!";
OBDParameterValue value = new OBDParameterValue {
ErrorDetected = true,
StringValue = "Error Detected in OBDResponseList!",
ShortStringValue = "ERROR_RESP"
};
ValueList.Add(value);
_log.TraceInfo(strItem);
return(ValueList);
}
else
{
for (int i = 0; i < responses.ResponseCount; i++)
{
strItem += string.Format("[{0}] ", Utility.GetReadableHexString(0, responses.GetOBDResponse(i).Data));
}
strItem = strItem.TrimEnd();
_log.TraceInfo(strItem);
}
for (int i = 0; i < responses.ResponseCount; i++)
{
OBDParameterValue obdValue = _obdInterpreter.GetValue(param, responses.GetOBDResponse(i));
if (obdValue.ErrorDetected)
{
_log.TraceError(string.Format("Values: [ECU: {0}, Error Detected!]", obdValue.ECUResponseID));
}
else
{
_log.TraceInfo(GetLogString(param, obdValue));
}
ValueList.Add(obdValue);
}
return(ValueList);
}
private OBDParameterValue Get19DTCValue(OBDResponse response, int offset, int WholeDTCLenInByte = 4)
{
if (offset - WholeDTCLenInByte * 2 < 0)
{
return(null);
}
OBDParameterValue value2 = new OBDParameterValue();
List <string> strings = new List <string>();
for (int i = 0; i <= response.Data.Length - offset; i += offset)
{
string str = GetDTCName(response.Data.Substring(i + offset - WholeDTCLenInByte * 2, 6));
if (!str.StartsWith("P0000"))
{
strings.Add(str);
}
}
value2.ListStringValue = strings;
return(value2);
}
public OBDParameterValue GetValue(OBDParameter param, OBDResponse response)
{
OBDParameterValue value2 = new OBDParameterValue();
if (response == null)
{
value2.ErrorDetected = true;
return(value2);
}
switch (param.Service)
{
case 0:
// SAE J1939
value2 = GetJ1939Value(param, response);
break;
case 1:
case 2:
value2 = GetMode010209Value(param, response);
break;
case 3:
case 7:
case 0x0A:
value2 = GetMode03070AValue(response);
break;
case 9:
value2 = GetMode010209Value(param, response);
break;
case 0x19:
// ISO 27145 ReadDTCInformation
string reportType = param.OBDRequest.Substring(2, 2);
if (reportType == "42")
{
value2 = Get42DTCValue(response);
}
else if (reportType == "55")
{
value2 = Get55DTCValue(response);
}
break;
case 0x22:
// ISO 27145 ReadDataByIdentifer
int HByte = (param.Parameter >> 8) & 0xFF;
int LByte = param.Parameter & 0x00FF;
int OriginalParam = param.Parameter;
int OriginalService = param.Service;
param.Parameter = LByte;
if (HByte == 0xF4)
{
param.Service = 1;
value2 = GetMode010209Value(param, response);
}
else if (HByte == 0xF8)
{
param.Service = 9;
value2 = GetMode010209Value(param, response);
}
param.Parameter = OriginalParam;
param.Service = OriginalService;
break;
default:
value2.ErrorDetected = true;
break;
}
value2.ECUResponseID = response.Header;
if (value2.ECUResponseID.Length == 6)
{
// 如果是K线协议的话ECUResponseID取最后2个字节
value2.ECUResponseID = value2.ECUResponseID.Substring(2);
}
else if (value2.ECUResponseID.Length == 8 && param.Service == 0)
{
// 如果是J1939协议的话ECUResponseID取最后1个字节
value2.ECUResponseID = value2.ECUResponseID.Substring(6);
}
return(value2);
}