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 MCU_SERIES_LOWER = $(shell echo $(MCU_SERIES) | tr '[:upper:]' '[:lower:]') include ../../py/mkenv.mk include $(BOARD_DIR)/mpconfigboard.mk include mcu/$(MCU_SERIES_LOWER)/mpconfigmcu.mk # Qstr definitions (must come before including py.mk) QSTR_DEFS = qstrdefsport.h QSTR_GLOBAL_DEPENDENCIES = $(BOARD_DIR)/mpconfigboard.h mcu/$(MCU_SERIES_LOWER)/mpconfigmcu.h 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 += -Imcu/$(MCU_SERIES_LOWER) INC += -I$(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$(TOP)/lib/tinyusb/src MAKE_PIN_AF = boards/make-pin-table.py PIN_AF_TABLE_CSV = mcu/$(MCU_SERIES_LOWER)/pin-af-table.csv BOARD_PINS = $(BOARD_DIR)/pins.csv GEN_PIN_AF = pin_af_table.c CFLAGS += $(INC) -Wall -Werror -std=c99 -nostdlib -mthumb $(CFLAGS_MCU) -fsingle-precision-constant -Wdouble-promotion CFLAGS += -DMCU_$(MCU_SERIES) -D__$(CMSIS_MCU)__ CFLAGS += $(CFLAGS_EXTRA) LDFLAGS += -nostdlib $(addprefix -T,$(LD_FILES)) -Map=$@.map --cref 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)) # TODO make this common -- shouldn't be using these "private" vars from py.mk ifneq ($(SRC_CXX)$(SRC_USERMOD_CXX)$(SRC_USERMOD_LIB_CXX),) LIBSTDCPP_FILE_NAME = "$(shell $(CXX) $(CXXFLAGS) -print-file-name=libstdc++.a)" LDFLAGS += -L"$(shell dirname $(LIBSTDCPP_FILE_NAME))" endif MPY_CROSS_FLAGS += -march=$(MPY_CROSS_MCU_ARCH) SRC_C += \ mcu/$(MCU_SERIES_LOWER)/clock_config.c \ help.c \ machine_adc.c \ machine_bitstream.c \ machine_dac.c \ machine_i2c.c \ machine_pin.c \ machine_rtc.c \ machine_spi.c \ machine_uart.c \ machine_wdt.c \ main.c \ modutime.c \ modmachine.c \ modsamd.c \ mphalport.c \ pendsv.c \ pin_af.c \ samd_flash.c \ samd_isr.c \ samd_soc.c \ tusb_port.c \ SHARED_SRC_C += \ shared/runtime/mpirq.c \ shared/libc/printf.c \ shared/libc/string0.c \ shared/readline/readline.c \ shared/runtime/gchelper_native.c \ shared/runtime/interrupt_char.c \ shared/runtime/pyexec.c \ shared/runtime/softtimer.c \ shared/runtime/stdout_helpers.c \ shared/runtime/sys_stdio_mphal.c \ shared/timeutils/timeutils.c \ shared/tinyusb/mp_cdc_common.c \ ASF4_SRC_C += $(addprefix lib/asf4/$(MCU_SERIES_LOWER)/,\ hal/src/hal_atomic.c \ hal/src/hal_flash.c \ hpl/nvmctrl/hpl_nvmctrl.c \ ) LIBM_SRC_C += $(addprefix lib/libm/,\ ef_sqrt.c \ fmodf.c \ math.c \ nearbyintf.c \ ) TINYUSB_SRC_C += $(addprefix lib/tinyusb/src/,\ class/cdc/cdc_device.c \ common/tusb_fifo.c \ device/usbd.c \ device/usbd_control.c \ portable/microchip/samd/dcd_samd.c \ tusb.c \ ) DRIVERS_SRC_C += \ drivers/bus/softspi.c \ # List of sources for qstr extraction SRC_QSTR += $(SRC_C) $(SHARED_SRC_C) $(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)/, $(SHARED_SRC_C:.c=.o)) OBJ += $(addprefix $(BUILD)/, $(ASF4_SRC_C:.c=.o)) OBJ += $(addprefix $(BUILD)/, $(LIBM_SRC_C:.c=.o)) OBJ += $(addprefix $(BUILD)/, $(DRIVERS_SRC_C:.c=.o)) OBJ += $(addprefix $(BUILD)/, $(TINYUSB_SRC_C:.c=.o)) ifneq ($(FROZEN_MANIFEST),) CFLAGS += -DMICROPY_MODULE_FROZEN_MPY CFLAGS += -DMICROPY_MODULE_FROZEN_STR CFLAGS += -DMICROPY_QSTR_EXTRA_POOL=mp_qstr_frozen_const_pool endif 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) | $(HEADER_BUILD) $(BUILD)/$(GEN_PIN_AF): $(PIN_AF_TABLE_CSV) $(BOARD_PINS) | $(HEADER_BUILD) $(ECHO) "Create $@" $(Q)$(PYTHON) $(MAKE_PIN_AF) --csv $(PIN_AF_TABLE_CSV) --board $(BOARD_PINS) --table $(BUILD)/$(GEN_PIN_AF) --mcu $(MCU_SERIES) include $(TOP)/py/mkrules.mk