PROGRAM_NAME = mqtt_ledpanel
SRC_DIR = src
BUILD_DIR = build

all: $(PROGRAM_NAME)

# Create the build directory
$(BUILD_DIR):
	mkdir -pv $(BUILD_DIR)

# Compile and build the program for Atmega328P
$(PROGRAM_NAME): $(BUILD_DIR)
	avr-gcc -mmcu=atmega328p -Wall -Os -o $(BUILD_DIR)/$(PROGRAM_NAME).elf $(SRC_DIR)/$(PROGRAM_NAME).c

	avr-objcopy -j .text -j .data -O ihex $(BUILD_DIR)/$(PROGRAM_NAME).elf $(BUILD_DIR)/$(PROGRAM_NAME).hex

# Upload the built program (hex file) to Atmega328P using USBasp
upload: $(PROGRAM_NAME)
	avrdude -c arduino -p m328p -P /dev/ttyUSB0 -b 57600 -U flash:w:$(BUILD_DIR)/$(PROGRAM_NAME).hex -D

# Remove build directory with all built files
clean:
	rm -rf $(BUILD_DIR)