Support USI interface on AVR Tiny class devices
baf5a895b5
Update README
f4952aaa63
Implement a virtual bootloader section
9f3781a3eb
Implement USI peripheral slave statemachine
df56c54697
Align identation and some cleanup
c9bc048e01
Update README
f4952aaa63
Implement a virtual bootloader section
9f3781a3eb
Implement USI peripheral slave statemachine
df56c54697
Align identation and some cleanup
0aec174064
DEVEL: adjust serial port
0aec174064
DEVEL: adjust serial port
3e97cdfe93
Implement for attiny85
a05ae3b4a6
Fix NAK on flash write
590509825d
WIP: USI TWI slave
butterfly tool does not initialize serial port correctly
7d74f62c00
butterfly_prog: Fix serial initalization
9192149be2
Rename source files
butterfly tool does not initialize serial port correctly
twiboot: Try to work around missing clock stretching
Limit memory writes to the actual memory size