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Makefile
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Makefile
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#--------------------------------------------------------------------------------
# Makefile
#
# Patrick F.
# GRBL Advanced
#
#---------------------------------------------------------------------------------
# Clear the implicit built in rules
#---------------------------------------------------------------------------------
.SUFFIXES:
#---------------------------------------------------------------------------------
# Location of gcc-arm-none-eabi toolchain
GCC_BASE = /opt/gcc-arm-none-eabi-9-2020-q2-update/bin
CC = ${GCC_BASE}/arm-none-eabi-gcc
CXX = ${GCC_BASE}/arm-none-eabi-g++
OBJCPY = ${GCC_BASE}/arm-none-eabi-objcopy
SIZE = ${GCC_BASE}/arm-none-eabi-size
OBJDUMP = ${GCC_BASE}/arm-none-eabi-objdump
#---------------------------------------------------------------------------------
# TARGET is the name of the output
# BUILD is the directory where object files & intermediate files will be placed
# SOURCES is a list of directories containing source code
# INCLUDES is a list of directories containing extra header files
#---------------------------------------------------------------------------------
TARGET := GRBL_Advanced
BUILD := build
SOURCES := ./ ARM/ ARM/cmsis/ grbl/ HAL/ HAL/EXTI HAL/FLASH HAL/GPIO HAL/I2C HAL/SPI HAL/STM32 \
HAL/TIM HAL/USART ARM/SPL/src Src/ Libraries/GrIP Libraries/CRC Libraries/Ethernet \
Libraries/Ethernet/W5500 Libraries/Encoder Libraries/EEPROM Libraries/Printf
INCLUDES := $(SOURCES) ARM/SPL/inc
# STM32 F446
ifeq ($(target),F446)
LD_FILE = stm32f446re_flash.ld
DEFINES = -DSTM32F446xx -DSTM32F446RE
TARGET_STR = "STM32 F446"
# STM32 F411
else ifeq ($(target),F411)
LD_FILE = stm32f411re_flash.ld
DEFINES = -DSTM32F411xE -DSTM32F411RE
TARGET_STR = "STM32 F411"
else
# Default Target
LD_FILE = stm32f446re_flash.ld
DEFINES = -DSTM32F446xx -DSTM32F446RE
TARGET_STR = "STM32 F446"
endif
#---------------------------------------------------------------------------------
# options for code generation
#---------------------------------------------------------------------------------
FLAGS := -mfloat-abi=hard -mcpu=cortex-m4 -gdwarf-2 -mfpu=fpv4-sp-d16 -mthumb -Wno-misleading-indentation
CFLAGS := -O2 -g1 -std=c17 -Wall -Wextra $(INCLUDE) -fno-common -fsingle-precision-constant -fdata-sections \
-ffunction-sections -fomit-frame-pointer -mlittle-endian -DUSE_STDPERIPH_DRIVER -D__FPU_USED -DARM_MATH_CM4 -Wimplicit-fallthrough=0
CXXFLAGS := $(CFLAGS)
LDFLAGS := -lm -flto -Wl,--gc-sections -Wl,-M=$(OUTPUT).map --specs=nosys.specs -nostartfiles --specs=nano.specs
#---------------------------------------------------------------------------------
# any extra libraries we wish to link with the project
# the order can-be/is critical
#---------------------------------------------------------------------------------
LIBS :=
#---------------------------------------------------------------------------------
# list of directories containing libraries, this must be the top level containing
# include and lib
#---------------------------------------------------------------------------------
LIBDIRS :=
#---------------------------------------------------------------------------------
# no real need to edit anything past this point unless you need to add additional
# rules for different file extensions
#---------------------------------------------------------------------------------
ifneq ($(BUILD),$(notdir $(CURDIR)))
#---------------------------------------------------------------------------------
export OUTPUT := $(CURDIR)/$(TARGET)
export VPATH := $(foreach dir,$(SOURCES),$(CURDIR)/$(dir))
export DEPSDIR := $(CURDIR)/$(BUILD)
#---------------------------------------------------------------------------------
# automatically build a list of object files for our project
#---------------------------------------------------------------------------------
CFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
CPPFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp)))
SFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.S)))
#---------------------------------------------------------------------------------
# use CXX for linking C++ projects, CC for standard C
#---------------------------------------------------------------------------------
ifeq ($(strip $(CPPFILES)),)
export LD := $(CC)
else
export LD := $(CXX)
endif
export OFILES := $(sort $(CFILES:.c=.c.o) \
$(CPPFILES:.cpp=.cpp.o) \
$(SFILES:.S=.S.o))
#---------------------------------------------------------------------------------
# build a list of include paths
#---------------------------------------------------------------------------------
export INCLUDE := $(foreach dir,$(INCLUDES), -I$(CURDIR)/$(dir)) \
$(foreach dir,$(LIBDIRS),-I$(dir)/include) \
-I$(CURDIR)/$(BUILD)
#---------------------------------------------------------------------------------
# build a list of library paths
#---------------------------------------------------------------------------------
export LIBPATHS := $(foreach dir,$(LIBDIRS),-L$(dir)/lib)
export OUTPUT := $(CURDIR)/$(TARGET)
.PHONY: all clean flash
#---------------------------------------------------------------------------------
all:
@echo "Building "$(TARGET_STR)"..."
@[ -d $(BUILD) ] || mkdir -p $(BUILD)
@make --no-print-directory -C $(BUILD) $(OUTPUT).elf $(OUTPUT).bin $(OUTPUT).hex $(OUTPUT).lst -f $(CURDIR)/Makefile -j4
@$(SIZE) $(OUTPUT).elf
#---------------------------------------------------------------------------------
clean:
@rm -fr $(BUILD) $(OUTPUT).elf $(OUTPUT).bin $(OUTPUT).hex $(OUTPUT).map $(OUTPUT).lst
#---------------------------------------------------------------------------------
flash: $(OUTPUT).bin
st-flash write $(OUTPUT).bin 0x8000000
st-flash reset
#---------------------------------------------------------------------------------
else
DEPENDS := $(OFILES:.o=.d)
#---------------------------------------------------------------------------------
# main targets
#---------------------------------------------------------------------------------
$(OUTPUT).elf: $(OFILES)
@echo Linking executable...
@$(LD) -o $@ $^ $(FLAGS) -T../$(LD_FILE) $(LDFLAGS)
$(OUTPUT).bin: $(OUTPUT).elf
@echo Creating bin...
@$(OBJCPY) -O binary $< $@
$(OUTPUT).hex: $(OUTPUT).elf
@echo Creating hex...
@$(OBJCPY) -O ihex $< $@
$(OUTPUT).lst: $(OUTPUT).elf
@$(OBJDUMP) -d $< > $@
#---------------------------------------------------------------------------------
# This rule links in binary data with the .c extension
#---------------------------------------------------------------------------------
%.c.o : %.c
#---------------------------------------------------------------------------------
@echo $(notdir $<)
@$(CC) $(FLAGS) $(CFLAGS) $(DEFINES) -c $^ -o $@
#---------------------------------------------------------------------------------
# This rule links in binary data with the .cpp extension
#---------------------------------------------------------------------------------
%.cpp.o : %.cpp
#---------------------------------------------------------------------------------
@echo $(notdir $<)
@$(CXX) $(FLAGS) $(CXXFLAGS) $(DEFINES) -c $^ -o $@
#---------------------------------------------------------------------------------
# This rule links in binary data with the .S extension
#---------------------------------------------------------------------------------
%.S.o : %.S
#---------------------------------------------------------------------------------
@echo $(notdir $<)
@$(CC) $(FLAGS) $(CFLAGS) -c $^ -o $@
-include $(DEPENDS)
#---------------------------------------------------------------------------------
endif
#---------------------------------------------------------------------------------