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AVR Fuses

k_iwanowskik_iwanowski
edited October 2013 in Technical details and features
Hey, could you post the AVR fuse settings? Thanks ;)

Comments

  • julianjulian
    that's
    -U lfuse:w:0xff:m -U hfuse:w:0xd8:m
  • cj55cj55
    And how about extended fuse settings (brown-out detection level)?
    And any special lockbit settings (boot loader protection mode)?

    PS: thank you for the extreme fast shipping of the PCBs and case! Your parcel arrived yesterday and today my parts from mouser and reichelt arrived. Perfect!
  • julianjulian
    extended fuses are unchanged, so they are 0xff, too.
    no lockbits are set. kind of pointless with available source.
    the bootloader can not be overwritten since it is in its own memory region.
  • julianjulian
    flash the bootloader first, then just make a normal update from the sd card for the main firmware.
  • tixivtixiv

    I think you should change the fuses to enable the brownout-detector! I had issues in some of my projects using a bootloader when the bod was not enabled: sometimes the AVR would trash it's flash, likely by erroneously executing some of the flash writing code while the power was going down. Were there not a couple of people here having issues with a trashed AVR-flash, whichwas repaired by a firmware update? Maybe it is due to this...

  • julianjulian
    seems reasonable :)
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