This adds USE_ENTER_EEPROM support for Atmega chips. It used 32-bits in the EEPROM. The bootloader is enabled when an odd number of bits are set and a bit is reset to make the number of bits even.
This requires that EEPROM_erase_all() respects the EESAVE fuse.
This adds USE_ENTER_EEPROM support for Atmega chips. It used 32-bits in the EEPROM. The bootloader is enabled when an odd number of bits are set and a bit is reset to make the number of bits even.
This requires that EEPROM_erase_all() respects the EESAVE fuse.