CC=arm-none-eabi-gcc
OBJCOPY=arm-none-eabi-objcopy

SRC=src/test.c
LDS=src/test.lds

OPTI=-O0
CFLAGS= $(OPTI) -g -gdwarf-2 -mthumb -fno-builtin -mcpu=cortex-m4 -Wall -std=c99 -ffunction-sections -fdata-sections -mabi=aapcs -fno-unroll-loops -ffast-math -ftree-vectorize -fverbose-asm
LDFLAGS=-nostartfiles -Wl,-gc-sections -T$(LDS) -L. --specs=nano.specs

all: test.bin

test.o: $(SRC)
	$(CC) $(CFLAGS) -c -o $@ $<

test.elf: test.o $(LDS)
	$(CC) $(LDFLAGS) test.o -o test.elf

test.bin: test.elf
	$(OBJCOPY) -O binary -S  test.elf test.bin

debug: test.bin
	st-flash write test.bin 0x8000000
	st-util

run: test.bin
	st-flash write test.bin 0x8000000

clean:
	$(RM) test.o test.elf test.bin