avr_flash.sh

echo "Compiling *.c to main.o"

avr-gcc -g -Wall -Os -Wextra -mmcu=atmega644a -o main.o *.c

echo
echo "Compiling main.o to main.elf"

avr-gcc -g -Wall -Os -Werror -Wextra -o main.elf main.o

echo
echo "Compiling main.elf to main.flash.hex"

avr-objcopy -j .text -j .data -O ihex main.elf main.flash.hex

echo
echo "Flashing main.flash.hex to an avr atmega644 with tool avrisp2"

avrdude -p m644p -c avrisp2 -U flash:w:main.flash.hex

echo "Done with flash. Hopefully it was succesful"

echo "removing .0, .elf, and .flash.hex files"

rm main.o main.elf main.flash.hex