Routine EEPROM writes

How often does 1.0.0dev "routinely" write to the chip eeprom? That is, updates to "total time active" -- "total filament used", etc.? Thanks.


  • When all heaters are turned off it updates statistics. Otherwise it changes only when you issue a command changing eeprom like setting values, autoleveling with eeprom storage.
  • Thanks.

  • It would be interesting to save on SD these statistics, to avoid unnecessary EEPROM writes.
  • Given the real-world endurance of the EEPROM flash areas on these chips, that's unlikely to be a significant issue in practice.
  • Also sd card is unreliable. Users remove it or switch them. The few prints per printer lifetime do not really count here.
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