190 lines
4.8 KiB
Makefile
190 lines
4.8 KiB
Makefile
include ../../../tools/top.mk
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# Select the board to build for.
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ifeq ($(BOARD),)
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$(info You must provide a BOARD parameter with 'BOARD=')
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$(info Possible values are:)
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$(info $(sort $(subst /.,,$(subst $(TOP)/hw/bsp/,,$(wildcard $(TOP)/hw/bsp/*/.)))))
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$(error BOARD not defined)
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else
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ifeq ($(wildcard $(TOP)/hw/bsp/$(BOARD)/.),)
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$(error Invalid BOARD specified)
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endif
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endif
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# Verbose mode (V=). 0: default, 1: print out CFLAG, LDFLAG 2: print all compile command
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ifeq ("$(V)","2")
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QUIET =
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else
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QUIET = @
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endif
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# If the build directory is not given, make it reflect the board name.
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BUILD ?= build-$(BOARD)
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CROSS_COMPILE = arm-none-eabi-
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include $(TOP)/hw/bsp/$(BOARD)/board.mk
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CC = $(CROSS_COMPILE)gcc
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CXX = $(CROSS_COMPILE)g++
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OBJCOPY = $(CROSS_COMPILE)objcopy
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SIZE = $(CROSS_COMPILE)size
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MKDIR = mkdir
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SED = sed
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CP = cp
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RM = rm
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INC += -Isrc \
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-I$(TOP)/hw \
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-I$(TOP)/src
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CFLAGS += \
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-fsingle-precision-constant \
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-fno-strict-aliasing \
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-Wdouble-promotion \
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-Wno-endif-labels \
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-Wstrict-prototypes \
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-Werror-implicit-function-declaration \
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-Wfloat-equal \
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-Wundef \
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-Wshadow \
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-Wwrite-strings \
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-Wsign-compare \
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-Wmissing-format-attribute \
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-Wno-deprecated-declarations \
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-Wnested-externs \
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-Wunreachable-code \
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-Wno-error=lto-type-mismatch \
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-ffunction-sections \
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-fdata-sections
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# This causes lots of warning with nrf5x build due to nrfx code
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# CFLAGS += -Wcast-align
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#Debugging/Optimization
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ifeq ($(DEBUG), 1)
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CFLAGS += -O0 -ggdb
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else
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CFLAGS += -flto -Os
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endif
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CFLAGS += $(INC) -Wall -Werror -std=gnu11 -DBOARD_$(shell echo $(BOARD) | tr '[:lower:]' '[:upper:]')
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LDFLAGS += $(CFLAGS) -fshort-enums -Wl,-T,$(TOP)/$(LD_FILE) -Wl,-Map=$@.map -Wl,-cref -Wl,-gc-sections -specs=nosys.specs -specs=nano.specs
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ifeq ("$(V)","1")
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$(info CFLAGS $(CFLAGS))
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$(info )
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$(info LDFLAGS $(LDFLAGS))
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$(info )
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$(info ASFLAGS $(ASFLAGS))
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$(info )
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endif
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LIBS = -lgcc -lc -lm -lnosys
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EXAMPLE_SOURCE += \
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src/main.c \
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src/msc_disk.c \
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src/usb_descriptors.c
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SRC_C += $(addprefix $(CURRENT_PATH)/, $(EXAMPLE_SOURCE))
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LIB_SOURCE += \
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hw/bsp/$(BOARD)/board_$(BOARD).c \
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src/common/tusb_fifo.c \
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src/device/usbd.c \
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src/device/usbd_control.c \
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src/class/msc/msc_device.c \
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src/class/cdc/cdc_device.c \
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src/class/hid/hid_device.c \
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src/tusb.c \
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src/portable/$(VENDOR)/$(CHIP_FAMILY)/dcd_$(CHIP_FAMILY).c
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SRC_C += $(LIB_SOURCE)
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# Assembly files can be name with upper case .S, convert it to .s
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SRC_S := $(SRC_S:.S=.s)
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# Due to GCC LTO bug https://bugs.launchpad.net/gcc-arm-embedded/+bug/1747966
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# assembly file should be placed first in linking order
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OBJ += $(addprefix $(BUILD)/obj/, $(SRC_S:.s=.o))
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OBJ += $(addprefix $(BUILD)/obj/, $(SRC_C:.c=.o))
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# Set all as default goal
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.DEFAULT_GOAL := all
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all: $(BUILD)/$(BOARD)-firmware.bin size
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OBJ_DIRS = $(sort $(dir $(OBJ)))
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$(OBJ): | $(OBJ_DIRS)
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$(OBJ_DIRS):
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@$(MKDIR) -p $@
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$(BUILD)/$(BOARD)-firmware.elf: $(OBJ)
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@echo LINK $@
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$(QUIET)$(CC) -o $@ $(LDFLAGS) $^ -Wl,--start-group $(LIBS) -Wl,--end-group
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$(BUILD)/$(BOARD)-firmware.bin: $(BUILD)/$(BOARD)-firmware.elf
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@echo CREATE $@
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@$(OBJCOPY) -O binary -j .vectors -j .text -j .data $^ $@
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$(BUILD)/$(BOARD)-firmware.hex: $(BUILD)/$(BOARD)-firmware.elf
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@echo CREATE $@
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@$(OBJCOPY) -O ihex $^ $@
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# We set vpath to point to the top of the tree so that the source files
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# can be located. By following this scheme, it allows a single build rule
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# to be used to compile all .c files.
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vpath %.c . $(TOP)
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$(BUILD)/obj/%.o: %.c
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@echo CC $(notdir $@)
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$(QUIET)$(CC) $(CFLAGS) -c -MD -o $@ $<
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@# The following fixes the dependency file.
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@# See http://make.paulandlesley.org/autodep.html for details.
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@# Regex adjusted from the above to play better with Windows paths, etc.
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@$(CP) $(@:.o=.d) $(@:.o=.P); \
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$(SED) -e 's/#.*//' -e 's/^.*: *//' -e 's/ *\\$$//' \
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-e '/^$$/ d' -e 's/$$/ :/' < $(@:.o=.d) >> $(@:.o=.P); \
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$(RM) $(@:.o=.d)
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# ASM sources lower case .s
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vpath %.s . $(TOP)
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$(BUILD)/obj/%.o: %.s
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@echo AS $(notdir $@)
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$(QUIET)$(CC) -x assembler-with-cpp $(ASFLAGS) -c -o $@ $<
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# ASM sources upper case .S
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vpath %.S . $(TOP)
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$(BUILD)/obj/%.o: %.S
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@echo AS $(notdir $@)
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$(QUIET)$(CC) -x assembler-with-cpp $(ASFLAGS) -c -o $@ $<
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# Flash binary using Jlink, should be added into system path
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ifeq ($(OS),Windows_NT)
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JLINKEXE = JLink.exe
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else
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JLINKEXE = JLinkExe
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endif
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# default jlink interface is swd
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ifeq ($(JLINK_IF),)
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JLINK_IF = swd
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endif
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# Flash using jlink
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flash-jlink: $(BUILD)/$(BOARD)-firmware.hex
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@echo halt > $(BUILD)/$(BOARD).jlink
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@echo loadfile $^ >> $(BUILD)/$(BOARD).jlink
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@echo r >> $(BUILD)/$(BOARD).jlink
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@echo go >> $(BUILD)/$(BOARD).jlink
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@echo exit >> $(BUILD)/$(BOARD).jlink
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$(JLINKEXE) -device $(JLINK_DEVICE) -if $(JLINK_IF) -speed auto -CommandFile $(BUILD)/$(BOARD).jlink
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size: $(BUILD)/$(BOARD)-firmware.elf
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-@echo ''
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@$(SIZE) $<
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-@echo ''
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clean:
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rm -rf build-$(BOARD)
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