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makefile.stm32
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makefile.stm32
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# common include for all STM32 chips
BOOTPORT ?= /dev/ttyUSB0
BOOTSPEED ?= 115200
ARCH_FLAGS = $(ASM_FLAGS) $(FP_FLAGS) $(DEFINES)
###############################################################################
# Executables
# PREFIX ?= arm-none-eabi
# gcc from arm web site
PREFIX ?= /opt/bin/arm-none-eabi
#TOOLCHLIB ?= /opt/arm-none-eabi/lib
RM := rm -f
RMDIR := rmdir
CC := $(PREFIX)-gcc
# don't replace ld with gcc: the binary size would be much greater!!
LD := $(PREFIX)-gcc
AR := $(PREFIX)-ar
AS := $(PREFIX)-as
SIZE := $(PREFIX)-size
OBJCOPY := $(PREFIX)-objcopy
OBJDUMP := $(PREFIX)-objdump
GDB := $(PREFIX)-gdb
STFLASH := $(shell which st-flash)
STBOOT := $(shell which stm32flash)
DFUUTIL := $(shell which dfu-util)
###############################################################################
# Source files
OBJDIR := mk
# target (debug/release)
TARGFILE := $(OBJDIR)/TARGET
# autoincremental version & build date
VERSION_FILE = version.inc
SRC := $(wildcard *.c)
OBJS := $(addprefix $(OBJDIR)/, $(SRC:%.c=%.o))
STARTUP := $(OBJDIR)/startup.o
MAP := $(OBJDIR)/$(BINARY).map
OBJS += $(STARTUP)
# dependencies: we need them to recompile files if their headers-dependencies changed
DEPS := $(OBJS:.o=.d)
INC_DIR ?= ../inc
INCLUDE := -I$(INC_DIR)/Fx -I$(INC_DIR)/cm
LIB_DIR := $(INC_DIR)/ld
###############################################################################
# C flags
CFLAGS += -D__thumb2__=1 -MD
CFLAGS += -Wall -Wextra -Wshadow -Wdouble-promotion
CFLAGS += -fshort-enums -ffunction-sections -fdata-sections
#CFLAGS += -fno-common -fno-stack-protector
CFLAGS += $(ARCH_FLAGS)
###############################################################################
# Linker flags
LDFLAGS += -nostartfiles --static -specs=nosys.specs -specs=nano.specs
LDFLAGS += $(ARCH_FLAGS)
LDFLAGS += -L$(LIB_DIR)
#-L$(TOOLCHLIB)
LDFLAGS += -T$(LDSCRIPT)
LDFLAGS += -Wl,-Map=$(MAP),--cref -Wl,--gc-sections -Wl,--print-memory-usage
###############################################################################
# Used libraries
LDLIBS += -lc $(shell $(CC) $(CFLAGS) -print-libgcc-file-name)
DEFS += -DSTM32$(FAMILY) -DSTM32$(MCU)
ELF := $(OBJDIR)/$(BINARY).elf
LIST := $(OBJDIR)/$(BINARY).list
BIN := $(BINARY).bin
HEX := $(BINARY).hex
ifeq ($(shell test -e $(TARGFILE) && echo -n yes),yes)
TARGET := $(file < $(TARGFILE))
else
TARGET := RELEASE
endif
ifeq ($(TARGET), DEBUG)
.DEFAULT_GOAL := debug
endif
ifeq ($(shell test -e $(VERSION_FILE) && echo -n yes), yes)
NEXTVER := $(shell expr $$(awk '/#define BUILD_NUMBER/' $(VERSION_FILE) | tr -cd "[0-9]") + 1)
else
NEXTVER := "1"
endif
BUILDDATE := $(shell date +%Y-%m-%d)
# release: add LTO
release: CFLAGS += -O2 -flto
release: LDFLAGS += -flto
release: $(TARGFILE) bin list size
#debug: add debug flags
debug: CFLAGS += -O0 -DEBUG -Werror -g3 -gdwarf-2
debug: TARGET := DEBUG
debug: $(TARGFILE) bin list size
$(TARGFILE): $(OBJDIR)
@echo -e "\t\tTARGET: $(TARGET)"
@echo "$(TARGET)" > $(TARGFILE)
elf: $(ELF)
bin: $(BIN)
hex: $(HEX)
list: $(LIST)
ifneq ($(MAKECMDGOALS),clean)
-include $(DEPS)
endif
$(OBJDIR):
mkdir $(OBJDIR)
$(STARTUP): $(INC_DIR)/startup/vector.c
$(CC) $(CFLAGS) $(DEFS) $(INCLUDE) -o $@ -c $<
$(VERSION_FILE): *.[ch]
@[ -f $(VERSION_FILE) ] || echo -e "#define BUILD_NUMBER \"0\"\n#define BUILD_DATE \"none\"" > $(VERSION_FILE)
@echo " Generate version: $(NEXTVER) for date $(BUILDDATE)"
@sed -i "s/#define BUILD_NUMBER.*/#define BUILD_NUMBER \"$(NEXTVER)\"/" $(VERSION_FILE)
@sed -i "s/#define BUILDNO.*/#define BUILDNO $(NEXTVER)/" $(VERSION_FILE)
@sed -i "s/#define BUILD_DATE.*/#define BUILD_DATE \"$(BUILDDATE)\"/" $(VERSION_FILE)
$(OBJDIR)/proto.o: proto.c $(VERSION_FILE)
$(OBJDIR)/%.o: %.c
@echo " CC $<"
$(CC) $(CFLAGS) $(DEFS) $(INCLUDE) -o $@ -c $<
$(BIN): $(ELF)
@echo " OBJCOPY $(BIN)"
$(OBJCOPY) -Obinary $(ELF) $(BIN)
$(HEX): $(ELF)
@echo " OBJCOPY $(HEX)"
$(OBJCOPY) -Oihex $(ELF) $(HEX)
$(LIST): $(ELF)
@echo " OBJDUMP $(LIST)"
$(OBJDUMP) -S $(ELF) > $(LIST)
$(ELF): $(OBJDIR) $(OBJS)
@echo " LD $(ELF)"
$(LD) $(LDFLAGS) $(OBJS) $(LDLIBS) -o $(ELF) $(LDADD)
size: $(ELF)
$(SIZE) $(ELF)
clean:
@echo " CLEAN"
@rm -rf $(OBJDIR) 2>/dev/null || true
flash: $(BIN)
@echo " FLASH $(BIN)"
$(STFLASH) write $(BIN) 0x8000000
$(STFLASH) reset
boot: $(BIN)
@echo " LOAD $(BIN) through bootloader"
$(STBOOT) -b$(BOOTSPEED) $(BOOTPORT) -w $(BIN)
dfuboot: $(BIN)
@echo " LOAD $(BIN) THROUGH DFU"
$(DFUUTIL) -a0 -D $(BIN) -s 0x08000000
openocd:
openocd -f openocd.cfg
dbg:
arm-none-eabi-gdb $(ELF) -ex 'target remote localhost:3333' -ex 'monitor reset halt'
.PHONY: size clean flash boot dfuboot openocd dbg