TARGETNAME = togglePin
BUILDFOLDER = ./build/
TARGET = $(BUILDFOLDER)$(TARGETNAME)

INC = -Isrc/include -I/usr/avr/include
CFLAGS = -Wall -Wpedantic -Wextra -Os -mmcu=atmega32u4
CPPFLAGS = -DF_CPU=16000000UL

SRC = $(wildcard src/*.c)

all: $(TARGET)

$(TARGET): $(SRC)
	mkdir -p build
	avr-gcc -o $@.elf $^ $(CPPFLAGS) $(CFLAGS) $(INC) -Wl,-u,vfprintf -lprintf_flt -lm
	avr-objcopy -j .text -j .data -O ihex $@.elf $@.hex
	rm $@.elf

flash:
	avrdude -p m32u4 -P /dev/ttyACM0 -c stk500v2 -Uflash:w:"$(TARGET).hex":i

clean:
	rm -fr ./src/*.o ./build/