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# tools
PREFIX ?= arm-none-eabi
CC = $(PREFIX)-gcc
LD = $(PREFIX)-gcc
OBJCOPY = $(PREFIX)-objcopy
all: libopencm3/lib/libopencm3_stm32f1.a
mkdir -p build
$(CC) -O0 -c -g -Wall -DSTM32F1 -Ilibopencm3/include -mcpu=cortex-m3 -mthumb -o build/main.o main.c
$(LD) --static -nostartfiles -mcpu=cortex-m3 -mthumb -msoft-float -Tstm32f103c8t6.ld -Llibopencm3/lib build/main.o -lopencm3_stm32f1 -o build/ledcontrol.elf
$(OBJCOPY) -O binary build/ledcontrol.elf build/ledcontrol.bin
libopencm3/lib/libopencm3_stm32f1.a:
make -C libopencm3 TARGETS='stm32/f1'
clean:
rm -rf build
make -C libopencm3 clean
.PHONY: all clean
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