Is there a way to automate BLF to CSV conversion in Vector CANoe?

Question

My first approach was using python-can (as it added support for parsing BLF files with 2.0.0 release) like this:

import can

filename = \"logfile.blf\"
loggi         


        

Answer 1

You can use the following scripts to automate the file format conversion with the automation of your CANoe or CANalyzer. The solution consists of a Windows batch file and a VisualBasicScript file. The batch file convert_this_folder.bat has to be started by double-click. It contains the following line which calls the other script for all BLF log files in the folder where the batch file is located:

for /F %%x in ('cd') do for %%i in (*.blf) do c:\windows\system32\wscript.exe canoe_convert.vbs %%i %%x

The VBS script canoe_convert.vbs contains the following lines:

'-----------------------------------------------------------------------------
' converts the filenames which are passed via startup parameter to ASC files with the help of CANoe
'-----------------------------------------------------------------------------
Dim src_file, dst_file, pos

Set App         = CreateObject("CANoe.Application")
  Set Measurement = App.Measurement
  Set args        = WScript.Arguments

  ' read first command line parameter
  arg0=args.Item(0)
  arg1=args.Item(1)

  If Measurement.Running Then
    Measurement.Stop
  End If

  Wscript.Sleep 500

  '---------------------------------------------------------------------------
'  you have to create an empty CANoe configuration and specify the path and file name below
'-----------------------------------------------------------------------------
  App.Open("d:awayawayempty_config.cfg")
'-----------------------------------------------------------------------------
' create destination file name and append .asc   -- you could change this to different file format that is supported by CANoe
  src_file=arg1 & "" & arg0
  dst_file=src_file & ".asc"

  Set Logging  = App.Configuration.OnlineSetup.LoggingCollection(1)
  Set Exporter = Logging.Exporter

  With Exporter.Sources
    .Clear
    .Add(src_file)
  End With

  ' Load file
  Exporter.Load

  With Exporter.Destinations
    .Clear
    .Add(dst_file)
  End With    

  Exporter.Save True

  App.Quit
  Set Exporter = Nothing
  Set Logging  = Nothing
  Set App      = Nothing
  Set args     = Nothing
  Set Measurement = Nothing

What you have to do:

1. Create an empty CANoe configuration and save it.
2. Enter the path and file name of this empty configuration into the VBS file (the place of insertion is marked visually)
3. Copy all the log files to be converted into the same directory where the 2 script files are located.
4. If opened, close CANoe.
5. Start the batch conversion by double-clicking on the convert_this_folder.bat. For each file CANoe is started, the file is converted and CANoe is closed. This is done via COM automation. The whole conversion process might take some time, please leave your PC alone during that time and do not perform other tasks.

The script files are attached below. You can adjust the scripts to CANalyzer by replacing "CANoe.Application" with "CANalyzer.Application" in the VBS file. The empty CANalyzer configuration has to be created additionally.

The conversion types can be adjusted as follows: Source file type in the .BAT file: change .BLF to the supported requested source file format Destination file type in the .VBS file: change .ASC to the supported requested destination file format.