Make CDC Bootloader Arduino compatible #86
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This address is used by gcc as main() return value. Because main() never returns this is unproblematic. RAMEND - 1 is used in the newer Arduino IDE to make the sketch more safe from memory corruption.
Since the actuall value of the key does not matter, we want to use an Arduino compatible key.
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Fixes #42
Reset mechanism works like this:
https://github.com/NicoHood/HoodLoader2/wiki/How-to-use-reset
Arduino will also use this new mechanism in the caternia2 bootloader:
https://github.com/facchinm/Arduino_avrusb_firmware/blob/master/Caterina2/Caterina2.c
I'd also like to include this fix, but I am not sure if it is correct. I think a prescaler is not required:
4a09da2#commitcomment-17570839