Update README Signed-off-by: Rahix <rahix@rahix.de>
Add support for atmega328p Signed-off-by: Rahix <rahix@rahix.de>
Add README and LICENSE files Signed-off-by: Rahix <rahix@rahix.de>
Add interrupts and use cfg-if Signed-off-by: Rahix <rahix@rahix.de>
Initial