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SOURCES := main.c usart.c
OBJECTS := $(patsubst %.c,%.o,$(SOURCES))
CFLAGS := -Wall -mmcu=atmega328p -Os -I. \
-D__AVR_ATmega328p__ -DF_CPU=1000000UL -DBAUD=9600
LDFLAGS :=
.PHONY: all flash clean
all: rom-loader.hex
flash: rom-loader.hex
avrdude -c usbasp -p atmega328p -U flash:w:$<
clean:
rm -f *.bin *.hex *.o
rom-loader.hex: rom-loader.bin
avr-objcopy -R .eeprom -O ihex $< $@
rom-loader.bin: $(OBJECTS)
avr-gcc $(CFLAGS) $(OBJECTS) -o $@ $(LDFLAGS)
%.o: %.c
avr-gcc $(CFLAGS) $< -c -o $@ $(LDFLAGS)
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