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CC = arm-none-eabi-gcc
CPU = cortex-m3
TARGET = due
SRC = main.c
OBJ = $(SRC:.c=.o)
CFLAGS = -std=gnu99
CFLAGS += -Os
CFLAGS += -Wall
CFLAGS += -mcpu=$(CPU)
CFLAGS += -mthumb
LDFLAGS = -mcpu=$(CPU)
LDFLAGS += -Wl,--gc-sections
HEX_FLAGS = -O ihex
HEX_FLAGS += -j .text -j .data
%.o: %.c
$(CC) $(CFLAGS) -c -o $@ $<
elf: $(OBJ)
$(CC) $(LDFLAGS) $(OBJ) -o $(TARGET).elf
hex: elf
arm-none-eabi-objcopy $(HEX_FLAGS) $(TARGET).elf $(TARGET).hex
#upload: hex
# openocd -f openocd-due.cfg -c "program $(TARGET) verify reset exit"
.PHONY: clean
clean:
rm *.o *.elf *.hex
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