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https://github.com/eddyem/stm32samples.git
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add structured Makefile
This commit is contained in:
Edward Emelianov
176
makefile.stm32
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176
makefile.stm32
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@@ -0,0 +1,176 @@
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# common include for all STM32 chips
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BOOTPORT ?= /dev/ttyUSB0
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BOOTSPEED ?= 115200
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ARCH_FLAGS = $(ASM_FLAGS) $(FP_FLAGS) $(DEFINES)
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###############################################################################
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# Executables
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# PREFIX ?= arm-none-eabi
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# gcc from arm web site
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PREFIX ?= /opt/bin/arm-none-eabi
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#TOOLCHLIB ?= /opt/arm-none-eabi/lib
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RM := rm -f
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RMDIR := rmdir
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CC := $(PREFIX)-gcc
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# don't replace ld with gcc: the binary size would be much greater!!
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LD := $(PREFIX)-gcc
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AR := $(PREFIX)-ar
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AS := $(PREFIX)-as
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SIZE := $(PREFIX)-size
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OBJCOPY := $(PREFIX)-objcopy
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OBJDUMP := $(PREFIX)-objdump
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GDB := $(PREFIX)-gdb
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STFLASH := $(shell which st-flash)
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STBOOT := $(shell which stm32flash)
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DFUUTIL := $(shell which dfu-util)
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###############################################################################
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# Source files
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OBJDIR := mk
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# target (debug/release)
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TARGFILE := $(OBJDIR)/TARGET
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# autoincremental version & build date
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VERSION_FILE = version.inc
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SRC := $(wildcard *.c)
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OBJS := $(addprefix $(OBJDIR)/, $(SRC:%.c=%.o))
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STARTUP := $(OBJDIR)/startup.o
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MAP := $(OBJDIR)/$(BINARY).map
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OBJS += $(STARTUP)
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# dependencies: we need them to recompile files if their headers-dependencies changed
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DEPS := $(OBJS:.o=.d)
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INC_DIR ?= ../inc
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INCLUDE := -I$(INC_DIR)/Fx -I$(INC_DIR)/cm
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LIB_DIR := $(INC_DIR)/ld
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###############################################################################
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# C flags
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CFLAGS += -O2 -D__thumb2__=1 -MD
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CFLAGS += -Wall -Wextra -Wshadow
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CFLAGS += -fshort-enums -ffunction-sections -fdata-sections
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#CFLAGS += -fno-common -fno-stack-protector
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CFLAGS += $(ARCH_FLAGS)
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###############################################################################
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# Linker flags
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LDFLAGS += -nostartfiles --static -specs=nosys.specs -specs=nano.specs
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LDFLAGS += $(ARCH_FLAGS)
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LDFLAGS += -L$(LIB_DIR)
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#-L$(TOOLCHLIB)
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LDFLAGS += -T$(LDSCRIPT)
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LDFLAGS += -Wl,-Map=$(MAP),--cref -Wl,--gc-sections -Wl,--print-memory-usage
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###############################################################################
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# Used libraries
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LDLIBS += -lc $(shell $(CC) $(CFLAGS) -print-libgcc-file-name)
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DEFS += -DSTM32$(FAMILY) -DSTM32$(MCU)
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ELF := $(OBJDIR)/$(BINARY).elf
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LIST := $(OBJDIR)/$(BINARY).list
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BIN := $(BINARY).bin
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HEX := $(BINARY).hex
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ifeq ($(shell test -e $(TARGFILE) && echo -n yes),yes)
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TARGET := $(file < $(TARGFILE))
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else
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TARGET := RELEASE
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endif
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ifeq ($(TARGET), DEBUG)
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.DEFAULT_GOAL := debug
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endif
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ifeq ($(shell test -e $(VERSION_FILE) && echo -n yes), yes)
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NEXTVER := $(shell expr $$(awk '/#define BUILD_NUMBER/' $(VERSION_FILE) | tr -cd "[0-9]") + 1)
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else
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NEXTVER := "1"
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endif
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BUILDDATE := $(shell date +%Y-%m-%d)
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# release: add LTO
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release: CFLAGS += -flto
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release: LDFLAGS += -flto
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release: $(TARGFILE) bin list size
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#debug: add debug flags
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debug: CFLAGS += -DEBUG -Werror -g3 -gdwarf-2
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debug: TARGET := DEBUG
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debug: $(TARGFILE) bin list size
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$(TARGFILE): $(OBJDIR)
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@echo -e "\t\tTARGET: $(TARGET)"
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@echo "$(TARGET)" > $(TARGFILE)
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elf: $(ELF)
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bin: $(BIN)
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hex: $(HEX)
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list: $(LIST)
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ifneq ($(MAKECMDGOALS),clean)
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-include $(DEPS)
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endif
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$(OBJDIR):
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mkdir $(OBJDIR)
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$(STARTUP): $(INC_DIR)/startup/vector.c
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$(CC) $(CFLAGS) $(DEFS) $(INCLUDE) -o $@ -c $<
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$(VERSION_FILE): *.[ch]
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@[ -f $(VERSION_FILE) ] || echo -e "#define BUILD_NUMBER \"0\"\n#define BUILD_DATE \"none\"" > $(VERSION_FILE)
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@echo " Generate version: $(NEXTVER) for date $(BUILDDATE)"
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@sed -i "s/#define BUILD_NUMBER.*/#define BUILD_NUMBER \"$(NEXTVER)\"/" $(VERSION_FILE)
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@sed -i "s/#define BUILD_DATE.*/#define BUILD_DATE \"$(BUILDDATE)\"/" $(VERSION_FILE)
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$(OBJDIR)/proto.o: proto.c $(VERSION_FILE)
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$(OBJDIR)/%.o: %.c
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@echo " CC $<"
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$(CC) $(CFLAGS) $(DEFS) $(INCLUDE) -o $@ -c $<
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$(BIN): $(ELF)
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@echo " OBJCOPY $(BIN)"
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$(OBJCOPY) -Obinary $(ELF) $(BIN)
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$(HEX): $(ELF)
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@echo " OBJCOPY $(HEX)"
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$(OBJCOPY) -Oihex $(ELF) $(HEX)
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$(LIST): $(ELF)
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@echo " OBJDUMP $(LIST)"
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$(OBJDUMP) -S $(ELF) > $(LIST)
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$(ELF): $(OBJDIR) $(OBJS)
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@echo " LD $(ELF)"
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$(LD) $(LDFLAGS) $(OBJS) $(LDLIBS) -o $(ELF)
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size: $(ELF)
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$(SIZE) $(ELF)
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clean:
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@echo " CLEAN"
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@rm -rf $(OBJDIR) 2>/dev/null || true
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flash: $(BIN)
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@echo " FLASH $(BIN)"
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$(STFLASH) write $(BIN) 0x8000000
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boot: $(BIN)
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@echo " LOAD $(BIN) through bootloader"
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$(STBOOT) -b$(BOOTSPEED) $(BOOTPORT) -w $(BIN)
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dfuboot: $(BIN)
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@echo " LOAD $(BIN) THROUGH DFU"
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$(DFUUTIL) -a0 -D $(BIN) -s 0x08000000
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openocd:
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openocd -f openocd.cfg
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dbg:
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arm-none-eabi-gdb $(ELF) -ex 'target remote localhost:3333' -ex 'monitor reset halt'
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.PHONY: size clean flash boot dfuboot openocd dbg
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