Ordinateur de bord pour voiture de collection 7.1
datalogger

Allow to save the value of chosen ClVariables in a file, at the specified frequency.

prepare the logger
  • Open the file logger.py .
  • set the data LoggedClVar as :
    ["my clvar 1", "my clvar 2"]
    The string must be the property name of ClVariable declared in module file. Please note than a to long list of ClVar can overload the RPi.
  • Set the periode in second in the variable LoggerPeriode. Don't set a to small (less than 0.1s), there is a risk to overload the RPi. You can try.
  • declare module logger.py in ListeModules.py (without the ".py")
Start the logger
  • start the application as usualy
  • in Application panel (Raspberry) clic on LogFile button to start,
  • clic again to stop
  • the file is save in folder \MaVoiture\ with a name like : "MES_yyyyMMdd-hhmmss.txt" where :
    • yyyy is the year
    • MM is the month
    • dd is the day
    • hh is the hour at start
    • mm is the minute at start
    • ss is the second at start