Add support for ATmega1284p
Add ATmega128RFA1 support
Adds basic ATmega128RFA1 support. Adjusts the common USART patches for
UCSZ? slightly to work with the ATmega128RFA1's ATDF.
Add support for ATtiny1614
Add support for ATtiny816
Add basic support for the ATtiny816 of the tinyAVR1-series.
Add support for ATtiny2313/A
Add ATtiny202 support
All of the svd patches are in patch/common/attiny-0-series.yaml which should
work for all of the 0-series (but may only work for ATtiny20* and ATtiny40*,
but not 80* or 160* given how the datasheet is split)
Add AT90USB1286 support
Ref: #80
Improve error message when no device is selected
Introduce a new `device-selected` feature to simpilify the logic for
showing an error when no device was selected.
Add attiny841 and attiny861
Add basic support for ATmega4809
Add support for atmega328pb
Add basic support for ATmega644