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#------------------------------------------------------------------------------
# CONFIGURE
# - SDK_PATH : path to SDK directory
#
# - SD_NAME : e.g s132, s140
# - SD_VERSION : SoftDevice version e.g 6.0.0
# - SD_HEX : to bootloader hex binary
#------------------------------------------------------------------------------
SDK_PATH = lib/sdk/components
SDK11_PATH = lib/sdk11/components
TUSB_PATH = lib/tinyusb/src
NRFX_PATH = lib/nrfx
SD_PATH = lib/softdevice/$(SD_FILENAME)
SD_VERSION = 6.1.1
SD_FILENAME = $(SD_NAME)_nrf52_$(SD_VERSION)
SD_HEX = $(SD_PATH)/$(SD_FILENAME)_softdevice.hex
# linker by MCU and SoftDevice eg. nrf52840_s140_v6.ld
LD_FILE = linker/$(MCU_SUB_VARIANT)_$(SD_NAME)_v$(word 1, $(subst ., ,$(SD_VERSION))).ld
GIT_VERSION = $(shell git describe --dirty --always --tags)
GIT_SUBMODULE_VERSIONS = $(shell git submodule status | cut -d' ' -f3,4 | paste -s -d" " -)
# compiled file name
OUT_FILE = $(BOARD)_bootloader-$(GIT_VERSION)
# merged file = compiled + sd
MERGED_FILE = $(OUT_FILE)_$(SD_NAME)_$(SD_VERSION)
#------------------------------------------------------------------------------
# Tool configure
#------------------------------------------------------------------------------
# Toolchain commands
# Should be added to your PATH
CROSS_COMPILE ?= arm-none-eabi-
CC = $(CROSS_COMPILE)gcc
AS = $(CROSS_COMPILE)as
OBJCOPY = $(CROSS_COMPILE)objcopy
SIZE = $(CROSS_COMPILE)size
GDB = $(CROSS_COMPILE)gdb
NRFUTIL = adafruit-nrfutil
NRFJPROG = nrfjprog
MK = mkdir -p
RM = rm -rf
# auto-detect BMP on macOS, otherwise have to specify
BMP_PORT ?= $(shell ls -1 /dev/cu.usbmodem????????1 | head -1)
GDB_BMP = $(GDB) -ex 'target extended-remote $(BMP_PORT)' -ex 'monitor swdp_scan' -ex 'attach 1'
#---------------------------------
# Select the board to build
#---------------------------------
BOARD_LIST = $(sort $(subst src/boards/,,$(wildcard src/boards/*)))
ifeq ($(filter $(BOARD),$(BOARD_LIST)),)
$(info You must provide a BOARD parameter with 'BOARD='. Supported boards are:)
$(foreach b,$(BOARD_LIST),$(info - $(b)))
$(error Invalid BOARD specified)
endif
# Build directory
BUILD = _build/build-$(BOARD)
# Board specific
-include src/boards/$(BOARD)/board.mk
# MCU_SUB_VARIANT can be nrf52 (nrf52832), nrf52833, nrf52840
ifeq ($(MCU_SUB_VARIANT),nrf52)
SD_NAME = s132
DFU_DEV_REV = 0xADAF
CFLAGS += -DNRF52 -DNRF52832_XXAA -DS132
else ifeq ($(MCU_SUB_VARIANT),nrf52833)
SD_NAME = s140
DFU_DEV_REV = 52840
CFLAGS += -DNRF52833_XXAA -DS140
else ifeq ($(MCU_SUB_VARIANT),nrf52840)
SD_NAME = s140
DFU_DEV_REV = 52840
CFLAGS += -DNRF52840_XXAA -DS140
else
$(error Sub Variant $(MCU_SUB_VARIANT) is unknown)
endif
#------------------------------------------------------------------------------
# SOURCE FILES
#------------------------------------------------------------------------------
# all files in src
C_SRC += $(wildcard src/*.c)
# all sources files in specific board
C_SRC += $(wildcard src/boards/$(BOARD)/*.c)
# nrfx
C_SRC += $(NRFX_PATH)/drivers/src/nrfx_power.c
C_SRC += $(NRFX_PATH)/drivers/src/nrfx_nvmc.c
C_SRC += $(NRFX_PATH)/mdk/system_$(MCU_SUB_VARIANT).c
# SDK 11 files: serial + OTA DFU
C_SRC += $(SDK11_PATH)/libraries/bootloader_dfu/bootloader.c
C_SRC += $(SDK11_PATH)/libraries/bootloader_dfu/bootloader_settings.c
C_SRC += $(SDK11_PATH)/libraries/bootloader_dfu/bootloader_util.c
# C_SRC += $(SDK11_PATH)/libraries/bootloader_dfu/dfu_transport_serial.c
# C_SRC += $(SDK11_PATH)/libraries/bootloader_dfu/dfu_transport_ble.c
# C_SRC += $(SDK11_PATH)/libraries/bootloader_dfu/dfu_single_bank.c
# C_SRC += $(SDK11_PATH)/ble/ble_services/ble_dfu/ble_dfu.c
# C_SRC += $(SDK11_PATH)/ble/ble_services/ble_dis/ble_dis.c
C_SRC += $(SDK11_PATH)/drivers_nrf/pstorage/pstorage_raw.c
# Latest SDK files: peripheral drivers
C_SRC += $(SDK_PATH)/libraries/timer/app_timer.c
C_SRC += $(SDK_PATH)/libraries/scheduler/app_scheduler.c
C_SRC += $(SDK_PATH)/libraries/util/app_error.c
C_SRC += $(SDK_PATH)/libraries/util/app_util_platform.c
C_SRC += $(SDK_PATH)/libraries/crc16/crc16.c
# C_SRC += $(SDK_PATH)/libraries/hci/hci_mem_pool.c
# C_SRC += $(SDK_PATH)/libraries/hci/hci_slip.c
# C_SRC += $(SDK_PATH)/libraries/hci/hci_transport.c
C_SRC += $(SDK_PATH)/libraries/util/nrf_assert.c
# UART or USB Serial
ifeq ($(MCU_SUB_VARIANT),nrf52)
# C_SRC += $(SDK_PATH)/libraries/uart/app_uart.c
# C_SRC += $(SDK_PATH)/drivers_nrf/uart/nrf_drv_uart.c
# C_SRC += $(SDK_PATH)/drivers_nrf/common/nrf_drv_common.c
IPATH += $(SDK11_PATH)/libraries/util
IPATH += $(SDK_PATH)/drivers_nrf/common
IPATH += $(SDK_PATH)/drivers_nrf/uart
else
# USB Application ( MSC + UF2 )
C_SRC += $(wildcard src/usb/*.c)
C_SRC += $(wildcard src/usb/uf2/*.c)
# TinyUSB stack
C_SRC += $(TUSB_PATH)/portable/nordic/nrf5x/dcd_nrf5x.c
C_SRC += $(TUSB_PATH)/common/tusb_fifo.c
C_SRC += $(TUSB_PATH)/device/usbd.c
C_SRC += $(TUSB_PATH)/device/usbd_control.c
C_SRC += $(TUSB_PATH)/class/cdc/cdc_device.c
C_SRC += $(TUSB_PATH)/class/msc/msc_device.c
C_SRC += $(TUSB_PATH)/tusb.c
endif
#------------------------------------------------------------------------------
# Assembly Files
#------------------------------------------------------------------------------
ASM_SRC = $(NRFX_PATH)/mdk/gcc_startup_$(MCU_SUB_VARIANT).S
#------------------------------------------------------------------------------
# INCLUDE PATH
#------------------------------------------------------------------------------
# src
IPATH += src
IPATH += src/boards/$(BOARD)
IPATH += src/cmsis/include
IPATH += src/usb
IPATH += src/boards
IPATH += $(TUSB_PATH)
# nrfx
IPATH += $(NRFX_PATH)
IPATH += $(NRFX_PATH)/mdk
IPATH += $(NRFX_PATH)/hal
IPATH += $(NRFX_PATH)/drivers/include
IPATH += $(NRFX_PATH)/drivers/src
IPATH += $(SDK11_PATH)/libraries/bootloader_dfu/hci_transport
IPATH += $(SDK11_PATH)/libraries/bootloader_dfu
IPATH += $(SDK11_PATH)/drivers_nrf/pstorage
IPATH += $(SDK11_PATH)/ble/common
IPATH += $(SDK11_PATH)/ble/ble_services/ble_dfu
IPATH += $(SDK11_PATH)/ble/ble_services/ble_dis
IPATH += $(SDK_PATH)/libraries/timer
IPATH += $(SDK_PATH)/libraries/scheduler
IPATH += $(SDK_PATH)/libraries/crc16
IPATH += $(SDK_PATH)/libraries/util
IPATH += $(SDK_PATH)/libraries/hci/config
IPATH += $(SDK_PATH)/libraries/uart
IPATH += $(SDK_PATH)/libraries/hci
IPATH += $(SDK_PATH)/drivers_nrf/delay
# Softdevice
IPATH += $(SD_PATH)/$(SD_FILENAME)_API/include
IPATH += $(SD_PATH)/$(SD_FILENAME)_API/include/nrf52
INC_PATHS = $(addprefix -I,$(IPATH))
#------------------------------------------------------------------------------
# Compiler Flags
#------------------------------------------------------------------------------
# Debugging/Optimization
ifeq ($(DEBUG), 1)
CFLAGS += -Og -ggdb
else
CFLAGS += -Os
endif
#flags common to all targets
CFLAGS += \
-mthumb \
-flto \
-mabi=aapcs \
-mcpu=cortex-m4 \
-mfloat-abi=hard \
-mfpu=fpv4-sp-d16 \
-ffunction-sections \
-fdata-sections \
-fno-builtin \
-fshort-enums \
-fstack-usage \
-fno-strict-aliasing \
-Wall \
-Wextra \
-Werror \
-Wfatal-errors \
-Werror-implicit-function-declaration \
-Wfloat-equal \
-Wundef \
-Wshadow \
-Wwrite-strings \
-Wsign-compare \
-Wmissing-format-attribute \
-Wno-endif-labels \
-Wunreachable-code
# Suppress warning caused by SDK
CFLAGS += -Wno-unused-parameter -Wno-expansion-to-defined
# TinyUSB tusb_hal_nrf_power_event
CFLAGS += -Wno-cast-function-type
# Defined Symbol (MACROS)
CFLAGS += -D__HEAP_SIZE=0
CFLAGS += -DCONFIG_GPIO_AS_PINRESET
CFLAGS += -DCONFIG_NFCT_PINS_AS_GPIOS
CFLAGS += -DSOFTDEVICE_PRESENT
CFLAGS += -DDFU_APP_DATA_RESERVED=7*4096
CFLAGS += -DUF2_VERSION='"$(GIT_VERSION) $(GIT_SUBMODULE_VERSIONS) $(SD_NAME) $(SD_VERSION)"'
CFLAGS += -DBLEDIS_FW_VERSION='"$(GIT_VERSION) $(SD_NAME) $(SD_VERSION)"'
_VER = $(subst ., ,$(word 1, $(subst -, ,$(GIT_VERSION))))
CFLAGS += -DMK_BOOTLOADER_VERSION='($(word 1,$(_VER)) << 16) + ($(word 2,$(_VER)) << 8) + $(word 3,$(_VER))'
#------------------------------------------------------------------------------
# Linker Flags
#------------------------------------------------------------------------------
LDFLAGS += \
$(CFLAGS) \
-Wl,-L,linker -Wl,-T,$(LD_FILE) \
-Wl,-Map=$@.map -Wl,-cref -Wl,-gc-sections \
-specs=nosys.specs -specs=nano.specs
LIBS += -lm -lc
#------------------------------------------------------------------------------
# Assembler flags
#------------------------------------------------------------------------------
ASFLAGS += $(CFLAGS)
#function for removing duplicates in a list
remduplicates = $(strip $(if $1,$(firstword $1) $(call remduplicates,$(filter-out $(firstword $1),$1))))
C_SOURCE_FILE_NAMES = $(notdir $(C_SRC))
C_PATHS = $(call remduplicates, $(dir $(C_SRC) ) )
C_OBJECTS = $(addprefix $(BUILD)/, $(C_SOURCE_FILE_NAMES:.c=.o) )
ASM_SOURCE_FILE_NAMES = $(notdir $(ASM_SRC))
ASM_PATHS = $(call remduplicates, $(dir $(ASM_SRC) ))
ASM_OBJECTS = $(addprefix $(BUILD)/, $(ASM_SOURCE_FILE_NAMES:.S=.o) )
vpath %.c $(C_PATHS)
vpath %.S $(ASM_PATHS)
OBJECTS = $(C_OBJECTS) $(ASM_OBJECTS)
#------------------------------------------------------------------------------
# BUILD TARGETS
#------------------------------------------------------------------------------
# Verbose mode (V=). 0: default, 1: print out CFLAG, LDFLAG 2: print all compile command
ifeq ("$(V)","1")
$(info CFLAGS $(CFLAGS))
$(info )
$(info LDFLAGS $(LDFLAGS))
$(info )
$(info ASFLAGS $(ASFLAGS))
$(info )
endif
.PHONY: all clean flash dfu-flash sd gdbflash gdb
# default target to build
all: $(BUILD)/$(OUT_FILE)-nosd.out $(BUILD)/$(MERGED_FILE).hex
#------------------- Flash target -------------------
check_defined = \
$(strip $(foreach 1,$1, \
$(call __check_defined,$1,$(strip $(value 2)))))
__check_defined = \
$(if $(value $1),, \
$(error Undefined make flag: $1$(if $2, ($2))))
# Flash the compiled
flash: $(BUILD)/$(OUT_FILE)-nosd.hex
@echo Flashing: $<
$(NRFJPROG) --program $< --sectoranduicrerase -f nrf52 --reset
dfu-flash: $(BUILD)/$(MERGED_FILE).zip
@:$(call check_defined, SERIAL, example: SERIAL=/dev/ttyACM0)
$(NRFUTIL) --verbose dfu serial --package $< -p $(SERIAL) -b 115200 --singlebank --touch 1200
sd:
@echo Flashing: $(SD_HEX)
$(NRFJPROG) --program $(SD_HEX) -f nrf52 --chiperase --reset
gdbflash: $(BUILD)/$(MERGED_FILE).hex
@echo Flashing: $<
@$(GDB_BMP) -nx --batch -ex 'load $<' -ex 'compare-sections' -ex 'kill'
gdb: $(BUILD)/$(OUT_FILE)-nosd.out
$(GDB_BMP) $<
#------------------- Compile rules -------------------
## Create build directories
$(BUILD):
@$(MK) $@
clean:
@$(RM) $(BUILD)
# Create objects from C SRC files
$(BUILD)/%.o: %.c
@echo CC $(notdir $<)
@$(CC) $(CFLAGS) $(INC_PATHS) -c -o $@ $<
# Assemble files
$(BUILD)/%.o: %.S
@echo AS $(notdir $<)
@$(CC) -x assembler-with-cpp $(ASFLAGS) $(INC_PATHS) -c -o $@ $<
# Link
$(BUILD)/$(OUT_FILE)-nosd.out: $(BUILD) $(OBJECTS)
@echo LD $(OUT_FILE)-nosd.out
@$(CC) -o $@ $(LDFLAGS) $(OBJECTS) -Wl,--start-group $(LIBS) -Wl,--end-group
@$(SIZE) $@
#------------------- Binary generator -------------------
## Create binary .hex file from the .out file
$(BUILD)/$(OUT_FILE)-nosd.hex: $(BUILD)/$(OUT_FILE)-nosd.out
@echo CR $(OUT_FILE)-nosd.hex
@$(OBJCOPY) -O ihex $< $@
# merge bootloader and sd hex together
$(BUILD)/$(MERGED_FILE).hex: $(BUILD)/$(OUT_FILE)-nosd.hex
@echo CR $(MERGED_FILE).hex
@mergehex.exe -q -m $< $(SD_HEX) -o $@
## Create pkg zip file for bootloader+SD combo to use with DFU Serial
.PHONY: genpkg
genpkg: $(BUILD)/$(MERGED_FILE).zip
$(BUILD)/$(MERGED_FILE).zip: $(BUILD)/$(OUT_FILE)-nosd.hex
@$(NRFUTIL) dfu genpkg --dev-type 0x0052 --dev-revision $(DFU_DEV_REV) --bootloader $< --softdevice $(SD_HEX) $@