circuitpython/ports/mimxrt/Makefile

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BOARD ?= TEENSY40
BOARD_DIR ?= boards/$(BOARD)
BUILD ?= build-$(BOARD)
CROSS_COMPILE ?= arm-none-eabi-
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
# Include py core make definitions
include $(TOP)/py/py.mk
GIT_SUBMODULES = lib/tinyusb lib/nxp_driver
MCU_DIR = lib/nxp_driver/sdk/devices/$(MCU_SERIES)
LD_FILES = boards/$(MCU_SERIES).ld $(TOP)/$(MCU_DIR)/gcc/$(MCU_SERIES)xxxxx_flexspi_nor.ld
# mcu driver cause following warnings
#CFLAGS += -Wno-error=float-equal -Wno-error=nested-externs
CFLAGS += -Wno-error=unused-parameter
INC += -I.
INC += -I$(TOP)
INC += -I$(BUILD)
INC += -I$(BOARD_DIR)
INC += -I$(TOP)/lib/cmsis/inc
INC += -I$(TOP)/$(MCU_DIR)
INC += -I$(TOP)/$(MCU_DIR)/drivers
INC += -I$(TOP)/$(MCU_DIR)/project_template
INC += -I$(TOP)/lib/tinyusb/src
INC += -I$(TOP)/lib/tinyusb/hw
INC += -I$(TOP)/lib/tinyusb/hw/bsp/teensy_40
CFLAGS_MCU = -mtune=cortex-m7 -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16
CFLAGS = $(INC) -Wall -Werror -std=c99 -nostdlib -mthumb $(CFLAGS_MCU)
CFLAGS += -DCPU_$(MCU_SERIES) -DCPU_$(MCU_VARIANT)
CFLAGS += -DXIP_EXTERNAL_FLASH=1 \
-DXIP_BOOT_HEADER_ENABLE=1 \
-DCFG_TUSB_MCU=OPT_MCU_MIMXRT10XX \
-D__STARTUP_CLEAR_BSS \
-D__START=main \
-DCPU_HEADER_H='<$(MCU_SERIES).h>'
LDFLAGS = $(addprefix -T,$(LD_FILES)) -Map=$@.map --cref
LIBS = $(shell $(CC) $(CFLAGS) -print-libgcc-file-name)
# Tune for Debugging or Optimization
ifeq ($(DEBUG),1)
CFLAGS += -O0 -ggdb
else
CFLAGS += -Os -DNDEBUG
LDFLAGS += --gc-sections
CFLAGS += -fdata-sections -ffunction-sections
endif
# TinyUSB Stack source
SRC_TINYUSB_C += \
lib/tinyusb/src/tusb.c \
lib/tinyusb/src/common/tusb_fifo.c \
lib/tinyusb/src/device/usbd.c \
lib/tinyusb/src/device/usbd_control.c \
lib/tinyusb/src/class/msc/msc_device.c \
lib/tinyusb/src/class/cdc/cdc_device.c \
lib/tinyusb/src/class/dfu/dfu_rt_device.c \
lib/tinyusb/src/class/hid/hid_device.c \
lib/tinyusb/src/class/midi/midi_device.c \
lib/tinyusb/src/class/usbtmc/usbtmc_device.c \
lib/tinyusb/src/class/vendor/vendor_device.c \
lib/tinyusb/src/portable/nxp/transdimension/dcd_transdimension.c
SRC_TINYUSB_IMX_C += \
$(MCU_DIR)/system_$(MCU_SERIES).c \
$(MCU_DIR)/xip/fsl_flexspi_nor_boot.c \
$(MCU_DIR)/project_template/clock_config.c \
$(MCU_DIR)/drivers/fsl_clock.c \
$(MCU_DIR)/drivers/fsl_gpio.c \
$(MCU_DIR)/drivers/fsl_common.c \
$(MCU_DIR)/drivers/fsl_lpuart.c \
$(MCU_DIR)/drivers/fsl_flexram.c \
SRC_C = \
main.c \
tusb_port.c \
board_init.c \
$(BOARD_DIR)/flash_config.c \
modutime.c \
modmachine.c \
mphalport.c \
lib/mp-readline/readline.c \
lib/libc/string0.c \
lib/utils/printf.c \
lib/utils/pyexec.c \
lib/utils/stdout_helpers.c \
$(SRC_TINYUSB_C) \
$(SRC_TINYUSB_IMX_C) \
SRC_SS = $(MCU_DIR)/gcc/startup_$(MCU_SERIES).S
SRC_S = lib/utils/gchelper_m3.s \
# List of sources for qstr extraction
SRC_QSTR += modutime.c modmachine.c
OBJ += $(PY_O)
OBJ += $(addprefix $(BUILD)/, $(SRC_C:.c=.o))
OBJ += $(addprefix $(BUILD)/, $(SRC_S:.s=.o))
OBJ += $(addprefix $(BUILD)/, $(SRC_SS:.S=.o))
# 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.hex
$(BUILD)/firmware.elf: $(OBJ)
$(ECHO) "LINK $@"
$(Q)$(LD) $(LDFLAGS) -o $@ $^ $(LIBS)
$(Q)$(SIZE) $@
$(BUILD)/firmware.bin: $(BUILD)/firmware.elf
$(Q)$(OBJCOPY) -O binary $^ $@
$(BUILD)/firmware.hex: $(BUILD)/firmware.elf
$(Q)$(OBJCOPY) -O ihex -R .eeprom $< $@
include $(TOP)/py/mkrules.mk