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Makefile
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Makefile
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PROJ_NAME = blinky
STM_COMMON = STM32F4-Discovery_FW_V1.1.0
BUILD = build
BUILD_ELF = $(BUILD)/$(PROJ_NAME).elf
BUILD_HEX = $(BUILD)/$(PROJ_NAME).hex
BUILD_BIN = $(BUILD)/$(PROJ_NAME).bin
SRCS = main.c system_stm32f4xx.c
OBJS = $(addsuffix .o, $(addprefix $(BUILD)/,$(SRCS)))
CFLAGS += -g -O2 -Wall -Wextra -I.
# startup file
VPATH += $(STM_COMMON)/Libraries/CMSIS/ST/STM32F4xx/Source/Templates/TrueSTUDIO
SRCS += startup_stm32f4xx.s
# CMSIS
CFLAGS += -I$(STM_COMMON)/Libraries/CMSIS/Include -I$(STM_COMMON)/Libraries/CMSIS/ST/STM32F4xx/Include
# STM32F4-Discovery
VPATH += $(STM_COMMON)/Utilities/STM32F4-Discovery
CFLAGS += -I$(STM_COMMON)/Utilities/STM32F4-Discovery
SRCS += stm32f4_discovery.c
# StdPeriph
STM_STDPERIPH_PATH=$(STM_COMMON)/Libraries/STM32F4xx_StdPeriph_Driver
VPATH += $(STM_STDPERIPH_PATH)/src
CFLAGS += -I$(STM_STDPERIPH_PATH)/inc -DUSE_STDPERIPH_DRIVER
SRCS += $(notdir $(wildcard $(STM_STDPERIPH_PATH)/src/*.c))
CC = arm-none-eabi-gcc
OBJCOPY = arm-none-eabi-objcopy
CFLAGS += -mthumb -mcpu=cortex-m4 -mthumb-interwork
CFLAGS += -mfloat-abi=hard -mfpu=fpv4-sp-d16
CFLAGS += -ffunction-sections -fdata-sections
LDFLAGS = -mthumb -mcpu=cortex-m4 -mthumb-interwork
LDFLAGS += -mfloat-abi=hard -mfpu=fpv4-sp-d16
LDFLAGS += -Tstm32_flash.ld
LDFLAGS += -Wl,-gc-sections
all: $(BUILD) | $(BUILD)/$(PROJ_NAME).elf $(BUILD)/$(PROJ_NAME).hex $(BUILD)/$(PROJ_NAME).bin
$(BUILD):
mkdir -p $@
$(BUILD_ELF): $(OBJS) stm32_flash.ld
$(CC) $(LDFLAGS) $(OBJS) -o $@
$(BUILD_HEX): $(BUILD_ELF)
$(OBJCOPY) -O ihex $^ $@
$(BUILD_BIN): $(BUILD_ELF)
$(OBJCOPY) -O binary $^ $@
clean:
rm -rf $(BUILD)
burn: $(BUILD_BIN)
st-flash --reset write $(BUILD_BIN) 0x8000000
$(OBJS): $(MAKEFILE_LIST)
$(OBJS): $(BUILD)/%.o: %
$(CC) $(CFLAGS) -MP -MMD -c -o $@ $<
# generated by $(CC) -MP -MMD
sinclude $(OBJS:.o=.d)