dnet analyzer data log file

[MGeary]

Is there any method to convert the NI-DNET analyzer log file (dcap extension) for use with Excel or other applications?

[Sammy Z]

Hi,

Please post your dcap file and I'll try to find a way to solve your issue.

Thanks,

Sammy Z.

[Sammy Z]

Hi,

Since dcap files are binary files, you will not be able to open them in Excel or notepad, but we're looking to see if we have a toolkit that would translate it to Excel, etc.

I will post again if we find anything.

Regards,

Sammy Z.

[MGeary]

Thanks for the responses. Just as a note, I will hold off on posting the dcap file for now.

[Sammy Z]

Hi,

Unfortunately, we don't have a way of converting dcap files at the moment. 

The following may help you in case you would like to parse the packet for detailed DeviceNet information:

In short, the file includes header + packets

header format

#pragma pack(push, 1)

typedef struct tagLogFileHeader

{

char szNISignature[32];

BYTE bMajorVer;

BYTE bMinorVer;

DWORD dwIntfName;

DWORD dwBaudRate;

DWORD dwNumOfPkts;

}LogFileHeader;

#pragma pack(pop)

packet format

Typedef struct

{

U32 ArbitrationID;

U32 TimeStampHigh;

U32 TimeStampLow;

U16 MessageType;

U8 DataLen;

U8 SrcMAC;

U8 DestMAC;

U8 Data[8];

};

The file only stores the raw CAN packets instead of the parsed information.

Regards,

Sammy Z.

[Runarrow]

The file format information is very helpful. I have been able to parse my DCAP file into the appropriate fields but I can't figure out how to reconstruct the timestamp from the two U32's (high and low timestamp) in the DCAP file. Does anyone know how to do this? Thanks.

[schung]

Hi, could you post the code you used to parse the dcap file?  We need to parse the file as well, and looking at sample code would be very helpful.  

Thanks!