The kuttyPy firmware

This is based on the optiboot bootloader, and has added functions for Registry R/W . The bootloader’s programming functions are retained, and in addition, the kuttyPy while in bootloader mode can toggle register values.

Compiling and uploading for Atmega32 boards

get the firmware files here , and navigate to the firmware directory.

dependencies

• gcc-avr compiler
• avrdude for uploading

Make

The following command will output optiboot_atmega32.hex

make atmega32

Flash this bootloader

Connect a USBASP parallel programmer, and flash the bootloader firmware

avrdude -B10 -c usbasp -patmega32 -U flash:w:optiboot_atmega32.hex

set fuse to 0xDA

avrdude -B10 -c usbasp -patmega32 -U lfuse:w:0xff:m -U hfuse:w:0xda:m

Upload a hex file to test.

avrdude -b 38400 -P /dev/ttyUSB0 -pm32 -c arduino -U flash:w:blink.hex

Test the GUI (if it’s installed)

kuttypyplus

For Arduino Uno and Nano boards

make

make atmega328

upload : some Arduino Nano boards may work with -patmega328pb instead of -patmega328p. commandline avrdude -B10 -c usbasp -patmega328p -U lfuse:w:0xff:m -U hfuse:w:0xda:m