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# ---------------------------------------
# Common make rules for all examples
# ---------------------------------------
# Set all as default goal
.DEFAULT_GOAL := all
# ESP32-Sx and RP2040 has its own CMake build system
ifeq (,$(findstring $(FAMILY),esp32s2 esp32s3 rp2040))
# ---------------------------------------
# Compiler Flags
# ---------------------------------------
LIBS_GCC ?= -lgcc -lm -lnosys
# libc
LIBS += $(LIBS_GCC)
ifneq ($(BOARD), spresense)
LIBS += -lc
endif
# TinyUSB Stack source
SRC_C += \
src/tusb.c \
src/common/tusb_fifo.c \
src/device/usbd.c \
src/device/usbd_control.c \
src/class/audio/audio_device.c \
src/class/cdc/cdc_device.c \
src/class/dfu/dfu_device.c \
src/class/dfu/dfu_rt_device.c \
src/class/hid/hid_device.c \
src/class/midi/midi_device.c \
src/class/msc/msc_device.c \
src/class/net/ecm_rndis_device.c \
src/class/net/ncm_device.c \
src/class/usbtmc/usbtmc_device.c \
src/class/video/video_device.c \
src/class/vendor/vendor_device.c
# TinyUSB stack include
INC += $(TOP)/src
CFLAGS += $(addprefix -I,$(INC))
# LTO makes it difficult to analyze map file for optimizing size purpose
# We will run this option in ci
ifeq ($(NO_LTO),1)
CFLAGS := $(filter-out -flto,$(CFLAGS))
endif
ifneq ($(LD_FILE),)
LDFLAGS_LD_FILE ?= -Wl,-T,$(TOP)/$(LD_FILE)
endif
LDFLAGS += $(CFLAGS) $(LDFLAGS_LD_FILE) -Wl,-Map=$@.map -Wl,-cref -Wl,-gc-sections
ifneq ($(SKIP_NANOLIB), 1)
LDFLAGS += -specs=nosys.specs -specs=nano.specs
endif
ASFLAGS += $(CFLAGS)
# Assembly files can be name with upper case .S, convert it to .s
SRC_S := $(SRC_S:.S=.s)
# Due to GCC LTO bug https://bugs.launchpad.net/gcc-arm-embedded/+bug/1747966
# assembly file should be placed first in linking order
# '_asm' suffix is added to object of assembly file
OBJ += $(addprefix $(BUILD)/obj/, $(SRC_S:.s=_asm.o))
OBJ += $(addprefix $(BUILD)/obj/, $(SRC_C:.c=.o))
# Verbose mode
ifeq ("$(V)","1")
$(info CFLAGS $(CFLAGS) ) $(info )
$(info LDFLAGS $(LDFLAGS)) $(info )
$(info ASFLAGS $(ASFLAGS)) $(info )
endif
# ---------------------------------------
# Rules
# ---------------------------------------
all: $(BUILD)/$(PROJECT).bin $(BUILD)/$(PROJECT).hex size
uf2: $(BUILD)/$(PROJECT).uf2
OBJ_DIRS = $(sort $(dir $(OBJ)))
$(OBJ): | $(OBJ_DIRS)
$(OBJ_DIRS):
ifeq ($(CMDEXE),1)
@$(MKDIR) $(subst /,\,$@)
else
@$(MKDIR) -p $@
endif
$(BUILD)/$(PROJECT).elf: $(OBJ)
@echo LINK $@
@$(CC) -o $@ $(LDFLAGS) $^ -Wl,--start-group $(LIBS) -Wl,--end-group
$(BUILD)/$(PROJECT).bin: $(BUILD)/$(PROJECT).elf
@echo CREATE $@
@$(OBJCOPY) -O binary $^ $@
$(BUILD)/$(PROJECT).hex: $(BUILD)/$(PROJECT).elf
@echo CREATE $@
@$(OBJCOPY) -O ihex $^ $@
# UF2 generation, iMXRT need to strip to text only before conversion
ifeq ($(FAMILY),imxrt)
$(BUILD)/$(PROJECT).uf2: $(BUILD)/$(PROJECT).elf
@echo CREATE $@
@$(OBJCOPY) -O ihex -R .flash_config -R .ivt $^ $(BUILD)/$(PROJECT)-textonly.hex
$(PYTHON) $(TOP)/tools/uf2/utils/uf2conv.py -f $(UF2_FAMILY_ID) -c -o $@ $(BUILD)/$(PROJECT)-textonly.hex
else
$(BUILD)/$(PROJECT).uf2: $(BUILD)/$(PROJECT).hex
@echo CREATE $@
$(PYTHON) $(TOP)/tools/uf2/utils/uf2conv.py -f $(UF2_FAMILY_ID) -c -o $@ $^
endif
copy-artifact: $(BUILD)/$(PROJECT).bin $(BUILD)/$(PROJECT).hex $(BUILD)/$(PROJECT).uf2
# We set vpath to point to the top of the tree so that the source files
# can be located. By following this scheme, it allows a single build rule
# to be used to compile all .c files.
vpath %.c . $(TOP)
$(BUILD)/obj/%.o: %.c
@echo CC $(notdir $@)
@$(CC) $(CFLAGS) -c -MD -o $@ $<
# ASM sources lower case .s
vpath %.s . $(TOP)
$(BUILD)/obj/%_asm.o: %.s
@echo AS $(notdir $@)
@$(CC) -x assembler-with-cpp $(ASFLAGS) -c -o $@ $<
# ASM sources upper case .S
vpath %.S . $(TOP)
$(BUILD)/obj/%_asm.o: %.S
@echo AS $(notdir $@)
@$(CC) -x assembler-with-cpp $(ASFLAGS) -c -o $@ $<
endif # GNU Make
size: $(BUILD)/$(PROJECT).elf
-@echo ''
@$(SIZE) $<
-@echo ''
# linkermap must be install previously at https://github.com/hathach/linkermap
linkermap: $(BUILD)/$(PROJECT).elf
@linkermap -v $<.map
.PHONY: clean
clean:
ifeq ($(CMDEXE),1)
rd /S /Q $(subst /,\,$(BUILD))
else
$(RM) -rf $(BUILD)
endif
# ---------------------------------------
# Flash Targets
# ---------------------------------------
# Jlink binary
ifeq ($(OS),Windows_NT)
JLINKEXE = JLink.exe
else
JLINKEXE = JLinkExe
endif
# Jlink Interface
JLINK_IF ?= swd
# Flash using jlink
flash-jlink: $(BUILD)/$(PROJECT).hex
@echo halt > $(BUILD)/$(BOARD).jlink
@echo r > $(BUILD)/$(BOARD).jlink
@echo loadfile $^ >> $(BUILD)/$(BOARD).jlink
@echo r >> $(BUILD)/$(BOARD).jlink
@echo go >> $(BUILD)/$(BOARD).jlink
@echo exit >> $(BUILD)/$(BOARD).jlink
$(JLINKEXE) -device $(JLINK_DEVICE) -if $(JLINK_IF) -JTAGConf -1,-1 -speed auto -CommandFile $(BUILD)/$(BOARD).jlink
# Flash STM32 MCU using stlink with STM32 Cube Programmer CLI
flash-stlink: $(BUILD)/$(PROJECT).elf
STM32_Programmer_CLI --connect port=swd --write $< --go
$(BUILD)/$(PROJECT)-sunxi.bin: $(BUILD)/$(PROJECT).bin
$(PYTHON) $(TOP)/tools/mksunxi.py $< $@
flash-xfel: $(BUILD)/$(PROJECT)-sunxi.bin
xfel spinor write 0 $<
xfel reset
# Flash using pyocd
PYOCD_OPTION ?=
flash-pyocd: $(BUILD)/$(PROJECT).hex
pyocd flash -t $(PYOCD_TARGET) $(PYOCD_OPTION) $<
pyocd reset -t $(PYOCD_TARGET)
# Flash using openocd
OPENOCD_OPTION ?=
flash-openocd: $(BUILD)/$(PROJECT).elf
openocd $(OPENOCD_OPTION) -c "program $< verify reset exit"
# flash with Black Magic Probe
# This symlink is created by https://github.com/blacksphere/blackmagic/blob/master/driver/99-blackmagic.rules
BMP ?= /dev/ttyBmpGdb
flash-bmp: $(BUILD)/$(PROJECT).elf
$(GDB) --batch -ex 'target extended-remote $(BMP)' -ex 'monitor swdp_scan' -ex 'attach 1' -ex load $<
debug-bmp: $(BUILD)/$(PROJECT).elf
$(GDB) -ex 'target extended-remote $(BMP)' -ex 'monitor swdp_scan' -ex 'attach 1' $<
#-------------- Artifacts --------------
# Create binary directory
$(BIN):
@$(MKDIR) -p $@
# Copy binaries .elf, .bin, .hex, .uf2 to BIN for upload
# due to large size of combined artifacts, only uf2 is uploaded for now
copy-artifact: $(BIN)
@$(CP) $(BUILD)/$(PROJECT).uf2 $(BIN)
#@$(CP) $(BUILD)/$(PROJECT).bin $(BIN)
#@$(CP) $(BUILD)/$(PROJECT).hex $(BIN)
#@$(CP) $(BUILD)/$(PROJECT).elf $(BIN)
# Print out the value of a make variable.
# https://stackoverflow.com/questions/16467718/how-to-print-out-a-variable-in-makefile
print-%:
@echo $* = $($*)
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