Makefile

MODEL=nano
DEVICE=/dev/ttyUSB0
ARDUINO_CLI=arduino-cli


all: build/ardecoder.ino.hex

sketch.yaml:
	$(ARDUINO_CLI) core install arduino:avr && \
	$(ARDUINO_CLI) board attach -b "arduino:avr:$(MODEL)" -p "$(DEVICE)" .

# Regenerate `sketch.yaml` whenever an argument is explicitly specified
sketch: sketch.yaml
ifneq "$(origin MODEL)" "file"
	@$(ARDUINO_CLI) board attach -b "arduino:avr:$(MODEL)" . > /dev/null
endif
ifneq "$(origin DEVICE)" "file"
	@$(ARDUINO_CLI) board attach -p "$(DEVICE)" . > /dev/null
endif

build/ardecoder.ino.hex: ardecoder.ino | sketch
	mkdir -p build && \
	$(ARDUINO_CLI) compile --build-path build $<

upload: build/ardecoder.ino.hex | sketch
	$(ARDUINO_CLI) upload -vti $<

clean:
	rm -fr sketch.yaml build

.PHONY: all upload clean sketch