espressif_tinyusb/hw/bsp/imxrt/family.mk

UF2_FAMILY_ID = 0x4fb2d5bd
SDK_DIR = hw/mcu/nxp/mcux-sdk
DEPS_SUBMODULES += $(SDK_DIR)

include $(TOP)/$(BOARD_PATH)/board.mk

CFLAGS += \
  -mthumb \
  -mabi=aapcs \
  -mcpu=cortex-m7 \
  -mfloat-abi=hard \
  -mfpu=fpv5-d16 \
  -D__ARMVFP__=0 -D__ARMFPV5__=0\
  -DXIP_EXTERNAL_FLASH=1 \
  -DXIP_BOOT_HEADER_ENABLE=1 \
  -DCFG_TUSB_MCU=OPT_MCU_MIMXRT

ifdef BOARD_TUD_RHPORT
CFLAGS += -DBOARD_TUD_RHPORT=$(BOARD_TUD_RHPORT)
endif
ifdef BOARD_TUH_RHPORT
CFLAGS += -DBOARD_TUH_RHPORT=$(BOARD_TUH_RHPORT)
endif

# mcu driver cause following warnings
CFLAGS += -Wno-error=unused-parameter -Wno-error=implicit-fallthrough -Wno-error=redundant-decls

MCU_DIR = $(SDK_DIR)/devices/$(MCU_VARIANT)

# All source paths should be relative to the top level.
LD_FILE = $(MCU_DIR)/gcc/$(MCU_VARIANT)xxxxx_flexspi_nor.ld

# TODO for net_lwip_webserver example, but may not needed !! 
LDFLAGS += \
	-Wl,--defsym,__stack_size__=0x800 \

SRC_C += \
	src/portable/chipidea/ci_hs/dcd_ci_hs.c \
	src/portable/chipidea/ci_hs/hcd_ci_hs.c \
	src/portable/ehci/ehci.c \
	$(MCU_DIR)/system_$(MCU_VARIANT).c \
	$(MCU_DIR)/xip/fsl_flexspi_nor_boot.c \
	$(MCU_DIR)/project_template/clock_config.c \
	$(MCU_DIR)/drivers/fsl_clock.c \
	$(SDK_DIR)/drivers/common/fsl_common.c \
	$(SDK_DIR)/drivers/igpio/fsl_gpio.c \
	$(SDK_DIR)/drivers/lpuart/fsl_lpuart.c

INC += \
	$(TOP)/$(BOARD_PATH) \
	$(TOP)/$(MCU_DIR)/../../CMSIS/Include \
	$(TOP)/$(MCU_DIR) \
	$(TOP)/$(MCU_DIR)/project_template \
	$(TOP)/$(MCU_DIR)/drivers \
	$(TOP)/$(SDK_DIR)/drivers/common \
	$(TOP)/$(SDK_DIR)/drivers/igpio \
	$(TOP)/$(SDK_DIR)/drivers/lpuart

SRC_S += $(MCU_DIR)/gcc/startup_$(MCU_VARIANT).S

# For freeRTOS port source
FREERTOS_PORT = ARM_CM7/r0p1