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SOURCES := firmware.c
OBJECTS := $(patsubst %.c, %.o, $(SOURCES))
CFLAGS := -O2 -std=c99 -mmcu=atmega48 -Wall -DF_CPU=16000000UL -DDEBUG=1
LDFLAGS := -mmcu=atmega48 -lm
all: fw.hex
%.o: %.c
@echo "[CC] $<"
@avr-gcc -o $@ $(CFLAGS) -c $<
fw.hex: fw.elf
@echo "[HEX] $@"
@avr-objcopy $^ -O ihex -R .eeprom $@
fw.elf: ${OBJECTS}
@echo "[LD] $@"
@avr-gcc -o $@ $(LDFLAGS) $^
fw.S: fw.elf
@avr-objdump -d fw.elf -h -m avr > fw.S
clean:
@rm -f ${OBJECTS} fw.hex fw.elf fw.S
backup:
avrdude -c buspirate -P /dev/ttyUSB0 -p m48 -U flash:r:"backup.hex":i noreset
flash:
avrdude -c buspirate -P /dev/ttyUSB0 -p m48 -U flash:w:"fw.hex":i reset
.PHONY: all clean backup flash
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