NAME = main

TARGET=$(NAME).bin
EXECUTABLE=$(NAME).elf

SRC = src/main.c \
    src/system_stm32f4xx.c \

STARTUP = lib/startup_stm32f4xx.s

STM32_INCLUDES = -Iinc \
        -Ilib/inc \
        -Ilib/inc/core \
        -Ilib/inc/peripherals \

LINKFILE = link.ld

OPTIMIZE = -O3

CC = arm-none-eabi-gcc
LD = arm-none-eabi-gcc
AR = arm-none-eabi-ar
AS = arm-none-eabi-as
CP = arm-none-eabi-objcopy
OD = arm-none-eabi-objdump

BIN = $(CP) -O binary

DEFS = -D__arm__ -D__ASSEMBLY__ -DUSE_STDPERIPH_DRIVER -DSTM32F4XX -DHSE_VALUE=8000000 -D__FPU_PRESENT=1 -D__FPU_USED=1 -DSTM32F407VG

MCFLAGS = -mcpu=cortex-m4 -mthumb -mlittle-endian -mfpu=fpv4-sp-d16 -mfloat-abi=hard

CFLAGS = $(MCFLAGS) $(OPTIMIZE) $(DEFS) -ffunction-sections -I./ -I./ $(STM32_INCLUDES) -Wl,-T,$(LINKFILE) -std=c99
AFLAGS = $(MCFLAGS)

OBJDIR = .
OBJ = $(SRC:%.c=$(OBJDIR)/%.o)
OBJ += Startup.o

all: $(TARGET) size

$(TARGET): $(EXECUTABLE)
    @echo 'Invoking: Cross ARM GNU Create Flash Image'
    $(BIN) $^ $@
    @echo 'Finished building: $@'
    @echo ' '

$(EXECUTABLE): $(SRC) $(STARTUP)
    @echo 'Building target: $@'
    @echo 'Invoking: Cross ARM C Linker'
    $(CC) $(CFLAGS) -nostartfiles  -Wl,-Map=$(NAME).map -Wl,--gc-sections $^ -o $@ -L$(LIBDIR) -lgcc -lc -lm
    @echo 'Finished building target: $@'
    @echo ' '

size: $(EXECUTABLE)
    @echo 'Invoking: Cross ARM GNU Print Size'
    arm-none-eabi-size  --format=berkeley --totals $^
    @echo 'Finished building: $@'
    @echo ' '

clean:
    rm -f Startup.lst  $(TARGET)  $(EXECUTABLE) *.lst $(OBJ) $(AUTOGEN)  *.out *.map *.dmp

flash: $(TARGET)
    st-flash write $(TARGET) 0x8000000