alexforencich/xboot — pull request #14 by mobilinkd (2014-11-19 03:34:00+00:00)
Title: Enter eeprom

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.