[avrdude-dev] [bug #41857] avr109 atmega2564rfr2 erase timeout to short

[Yannic Schröder]

Follow-up Comment #9, bug #41857 (project avrdude):

I dislike the option to generally raise the serial timeout to 10 seconds. When
I have a new untested chip/board it happens a lot, that my programmer times
out. When this timeout increases to 10 seconds the whole avrdude will feel way
more unresponsive.

Also as Georg pointed out, when new chips with even more flash arrive then
this timeout has to be increased again (20 seconds for 2048 pages).

The proposed solution with a dynamic timeout calculated with the number of
flash pages seems best to me as it does not hurt the responsiveness of avrdude
on small chips and makes it possible to program devices with arbitrary large
flash sizes on avr109 programmers.

In any case this is a workaround for a design flaw in the avr109
specification.

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