24 lines
619 B
Makefile
24 lines
619 B
Makefile
ifndef TTY
|
|
TTY=/dev/ttyACM0
|
|
endif
|
|
|
|
# compiler flags:
|
|
# -Os : optimize size
|
|
# -DF_CPU=16000000UL : define F_CPU as 16Mghz
|
|
# -mmcu=atmega328p : target MCU
|
|
|
|
main.hex : main.c
|
|
# compile to object file (optimize for size)
|
|
avr-gcc -Os -DF_CPU=16000000UL -mmcu=atmega328p -o main.elf main.c twi.c
|
|
# link as ELF binary
|
|
#avr-gcc -mmcu=atmega328p main.o -o main.elf
|
|
# convert ELF format to an IHEX format as used by avrdude
|
|
avr-objcopy -O ihex -R .eeprom main.elf main.hex
|
|
|
|
|
|
burn:
|
|
avrdude -F -V -c arduino -p ATMEGA328P -P $(TTY) -b 115200 -U flash:w:main.hex
|
|
|
|
clean :
|
|
rm main.o twi.o main.elf main.hex
|