SOURCES  = $(wildcard *.c)
SOURCES += $(wildcard $(LIBDIR)/*.c)
SOURCES += $(wildcard $(LIBDIR)/*.s)

CFLAGS    = -Wall -mlittle-endian -mthumb -Os -c
CFLAGS   += -mcpu=cortex-$(CORTEX)
CFLAGS   += -std=c99
CPPFLAGS  = -D$(MCU_D_MOD)
CPPFLAGS += -I$(LIBDIR)

all: $(TARGET).bin
    @ls
$(TARGET).bin: $(TARGET).elf
    @$(OBJCOPY) -O binary $< $@
$(TARGET).elf: $(OBJS)
    @$(LD) $(LDFLAGS) $(OBJS) -o $@
%.o: %.c
    @$(CC) $(CFLAGS) $(CPPFLAGS) $< -o $@