2022-02-12 01:25:37 +03:00

147 lines
3.7 KiB
Makefile

BINARY = usart1
BOOTPORT ?= /dev/ttyUSB0
BOOTSPEED ?= 115200
# MCU FAMILY
FAMILY ?= F3
# MCU code
MCU ?= F303xb
# or __ARM_ARCH_7EM__
ARMARCH = __ARM_ARCH_7M__
# change this linking script depending on particular MCU model,
LDSCRIPT ?= stm32f303xB.ld
# debug
#DEFS = -DEBUG
INDEPENDENT_HEADERS=
FP_FLAGS ?= -mfpu=fpv4-sp-d16 -mfloat-abi=softfp -fsingle-precision-constant -mlittle-endian -DARM_MATH_CM4
ASM_FLAGS ?= -mthumb -mcpu=cortex-m4
ARCH_FLAGS = $(ASM_FLAGS) $(FP_FLAGS) -D $(ARMARCH)
###############################################################################
# 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)-ld
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
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 += -g -gdwarf-2 # debuggin symbols in listing
CFLAGS += -O2 -D__thumb2__=1 -MD
CFLAGS += -Wall -Werror -Wextra -Wshadow
CFLAGS += -fshort-enums -ffunction-sections -fdata-sections
#CFLAGS += -fno-common -ffunction-sections -fdata-sections -fno-stack-protector
CFLAGS += $(ARCH_FLAGS)
###############################################################################
# Linker flags
#LDFLAGS += -nostartfiles --static -nostdlib -specs=nosys.specs -specs=nano.specs
LDFLAGS += $(ARCH_FLAGS)
LDFLAGS += -specs=nano.specs -specs=nosys.specs
LDFLAGS += -L$(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
all: bin list size
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 $<
$(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)"
$(CC) $(LDFLAGS) $(OBJS) $(LDLIBS) -o $(ELF)
size: $(ELF)
$(SIZE) $(ELF)
clean:
@echo " CLEAN"
$(RM) $(OBJS) $(DEPS) $(ELF) $(HEX) $(LIST) $(MAP)
@rmdir $(OBJDIR) 2>/dev/null || true
flash: $(BIN)
@echo " FLASH $(BIN)"
$(STFLASH) write $(BIN) 0x8000000
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
.PHONY: clean flash boot