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micropython/ports/samd/Makefile

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Makefile
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BOARD ?= ADAFRUIT_ITSYBITSY_M4_EXPRESS
BOARD_DIR ?= boards/$(BOARD)
BUILD ?= build-$(BOARD)
CROSS_COMPILE ?= arm-none-eabi-
UF2CONV ?= $(TOP)/tools/uf2conv.py
ifeq ($(wildcard $(BOARD_DIR)/.),)
$(error Invalid BOARD specified: $(BOARD_DIR))
endif
include ../../py/mkenv.mk
include $(BOARD_DIR)/mpconfigboard.mk
# Qstr definitions (must come before including py.mk)
QSTR_DEFS = qstrdefsport.h
QSTR_GLOBAL_DEPENDENCIES = $(BOARD_DIR)/mpconfigboard.h
MCU_SERIES_LOWER = $(shell echo $(MCU_SERIES) | tr '[:upper:]' '[:lower:]')
FROZEN_MANIFEST ?= boards/manifest.py
# Include py core make definitions
include $(TOP)/py/py.mk
include $(TOP)/extmod/extmod.mk
GIT_SUBMODULES += lib/asf4 lib/tinyusb
INC += -I.
INC += -I$(TOP)
INC += -I$(BUILD)
INC += -I$(BOARD_DIR)
INC += -I$(TOP)/lib/cmsis/inc
INC += -I$(TOP)/lib/asf4/$(MCU_SERIES_LOWER)/hal/include
INC += -I$(TOP)/lib/asf4/$(MCU_SERIES_LOWER)/hal/utils/include
INC += -I$(TOP)/lib/asf4/$(MCU_SERIES_LOWER)/config
INC += -I$(TOP)/lib/asf4/$(MCU_SERIES_LOWER)/hri
INC += -I$(TOP)/lib/asf4/$(MCU_SERIES_LOWER)/hpl/core
INC += -I$(TOP)/lib/asf4/$(MCU_SERIES_LOWER)/hpl/gclk
INC += -I$(TOP)/lib/asf4/$(MCU_SERIES_LOWER)/hpl/pm
INC += -I$(TOP)/lib/asf4/$(MCU_SERIES_LOWER)/hpl/port
INC += -I$(TOP)/lib/asf4/$(MCU_SERIES_LOWER)/hpl/rtc
INC += -I$(TOP)/lib/asf4/$(MCU_SERIES_LOWER)/hpl/tc
INC += -I$(TOP)/lib/asf4/$(MCU_SERIES_LOWER)/include
INC += -I$(TOP)/lib/asf4/$(MCU_SERIES_LOWER)/include/pio
INC += -I$(TOP)/lib/tinyusb/src
MAKE_PIN_AF = boards/make-pin-af.py
PIN_AF_TABLE_CSV = boards/pin-af-table-$(MCU_SERIES).csv
GEN_PIN_AF = pin_af_table.c
MAKE_PINS = boards/make-pins.py
BOARD_PINS = $(BOARD_DIR)/pins.csv
GEN_PINS_SRC = $(BUILD)/pins.c
GEN_PINS_HDR = $(BUILD)/pins.h
CFLAGS_MCU_SAMD21 = -mtune=cortex-m0plus -mcpu=cortex-m0plus -msoft-float
CFLAGS_MCU_SAMD51 = -mtune=cortex-m4 -mcpu=cortex-m4 -mfpu=fpv4-sp-d16 -mfloat-abi=hard
CFLAGS = $(INC) -Wall -Werror -std=c99 -nostdlib -mthumb $(CFLAGS_MCU_$(MCU_SERIES)) -fsingle-precision-constant -Wdouble-promotion
CFLAGS += -DMCU_$(MCU_SERIES) -D__$(CMSIS_MCU)__
CFLAGS += $(CFLAGS_MOD) $(CFLAGS_EXTRA)
CFLAGS += -DMPCONFIG_MCU_H='<boards/mpconfig_$(MCU_SERIES_LOWER).h>'
CFLAGS += -DPIN_AF_TABLE_C='<$(BUILD)/$(GEN_PIN_AF)>'
QSTR_GLOBAL_DEPENDENCIES += boards/mpconfig_$(MCU_SERIES_LOWER).h
LDFLAGS = -nostdlib $(addprefix -T,$(LD_FILES)) -Map=$@.map --cref
LDFLAGS += $(LDFLAGS_MOD)
LIBS = $(shell $(CC) $(CFLAGS) -print-libgcc-file-name)
# Tune for Debugging or Optimization
CFLAGS += -g # always include debug info in the ELF
ifeq ($(DEBUG),1)
CFLAGS += -O0
else
CFLAGS += -Os -DNDEBUG
LDFLAGS += --gc-sections
CFLAGS += -fdata-sections -ffunction-sections
endif
# Flags for optional C++ source code
CXXFLAGS += $(filter-out -std=c99,$(CFLAGS))
CXXFLAGS += $(CXXFLAGS_MOD)
ifneq ($(SRC_CXX)$(SRC_MOD_CXX),)
LIBSTDCPP_FILE_NAME = "$(shell $(CXX) $(CXXFLAGS) -print-file-name=libstdc++.a)"
LDFLAGS += -L"$(shell dirname $(LIBSTDCPP_FILE_NAME))"
endif
SRC_C = \
clock_config.c \
help.c \
machine_led.c \
machine_pin.c \
main.c \
modutime.c \
modmachine.c \
modsamd.c \
mphalport.c \
pin_af.c \
$(BUILD)/pins.c \
samd_flash.c \
samd_isr.c \
samd_soc.c \
tusb_port.c \
lib/asf4/$(MCU_SERIES_LOWER)/hal/src/hal_atomic.c \
lib/asf4/$(MCU_SERIES_LOWER)/hal/src/hal_flash.c \
lib/asf4/$(MCU_SERIES_LOWER)/hpl/nvmctrl/hpl_nvmctrl.c \
lib/libm/ef_sqrt.c \
lib/libm/fmodf.c \
lib/libm/math.c \
lib/libm/nearbyintf.c \
lib/tinyusb/src/class/cdc/cdc_device.c \
lib/tinyusb/src/common/tusb_fifo.c \
lib/tinyusb/src/device/usbd.c \
lib/tinyusb/src/device/usbd_control.c \
lib/tinyusb/src/portable/microchip/samd/dcd_samd.c \
lib/tinyusb/src/tusb.c \
drivers/bus/softspi.c \
shared/libc/printf.c \
shared/libc/string0.c \
shared/readline/readline.c \
shared/runtime/gchelper_native.c \
shared/runtime/pyexec.c \
shared/runtime/stdout_helpers.c \
shared/runtime/sys_stdio_mphal.c \
shared/timeutils/timeutils.c \
SRC_C += $(SRC_MOD)
SRC_CXX += $(SRC_MOD_CXX)
ifeq ($(MCU_SERIES),SAMD21)
SRC_S = shared/runtime/gchelper_m0.s
else
SRC_S = shared/runtime/gchelper_m3.s
endif
# List of sources for qstr extraction
SRC_QSTR += \
machine_led.c \
machine_pin.c \
modutime.c \
modmachine.c \
modsamd.c \
samd_flash.c \
shared/readline/readline.c \
SRC_QSTR += $(SRC_MOD) $(SRC_CXX)
OBJ += $(PY_O)
OBJ += $(addprefix $(BUILD)/, $(SRC_C:.c=.o))
OBJ += $(addprefix $(BUILD)/, $(SRC_CXX:.cpp=.o))
OBJ += $(addprefix $(BUILD)/, $(SRC_S:.s=.o))
OBJ += $(addprefix $(BUILD)/, $(SRC_MOD:.c=.o))
ifneq ($(FROZEN_MANIFEST),)
CFLAGS += -DMICROPY_MODULE_FROZEN_MPY
CFLAGS += -DMICROPY_MODULE_FROZEN_STR
CFLAGS += -DMICROPY_QSTR_EXTRA_POOL=mp_qstr_frozen_const_pool
endif
# Workaround for bug in older gcc, warning on "static usbd_device_t _usbd_dev = { 0 };"
$(BUILD)/lib/tinyusb/src/device/usbd.o: CFLAGS += -Wno-missing-braces
all: $(BUILD)/firmware.uf2
$(BUILD)/firmware.elf: $(OBJ)
$(ECHO) "LINK $@"
$(Q)$(LD) $(LDFLAGS) -o $@ $^ $(LIBS)
$(Q)$(SIZE) $@
$(BUILD)/firmware.bin: $(BUILD)/firmware.elf
$(Q)$(OBJCOPY) -O binary -j .isr_vector -j .text -j .data $^ $(BUILD)/firmware.bin
$(BUILD)/firmware.uf2: $(BUILD)/firmware.bin
$(Q)$(PYTHON) $(UF2CONV) -b $(TEXT0) -c -o $@ $<
pin_af.c: $(BUILD)/$(GEN_PIN_AF)
$(BUILD)/$(GEN_PIN_AF): $(PIN_AF_TABLE_CSV)
$(ECHO) "Create $@"
$(Q)$(PYTHON) $(MAKE_PIN_AF) --csv $(PIN_AF_TABLE_CSV) --table $(BUILD)/$(GEN_PIN_AF) --mcu $(MCU_SERIES)
$(GEN_PINS_SRC): $(BOARD_PINS)
$(ECHO) "Create $@"
$(Q)$(PYTHON) $(MAKE_PINS) --board $(BOARD_PINS) --pins $(GEN_PINS_SRC) --inc $(GEN_PINS_HDR)
include $(TOP)/py/mkrules.mk
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