cpu/atmega_common: external interrupt fix and refactor#8951

Merged

kYc0o merged 6 commits intoRIOT-OS:masterfrom

ZetaR60:RIOT_atmega_ext_int_clarity

May 30, 2018

Commits on May 29, 2018

cpu/atmega_common: external interrupt fix and refactor
Matthew Blue
committed
cpu/atmega1281: external interrupt refactor
Matthew Blue
committed
cpu/atmega1284p: external interrupt refactor
Matthew Blue
committed
cpu/atmega2560: external interrupt refactor
Matthew Blue
committed
cpu/atmega256rfr2: external interrupt refactor
Matthew Blue
committed
cpu/atmega328p: external interrupt refactor
Matthew Blue
committed