SDK_DIR = hw/mcu/nxp/mcux-sdk DEPS_SUBMODULES += $(SDK_DIR) lib/CMSIS_5 MCU_DIR = $(SDK_DIR)/devices/$(MCU) include $(TOP)/$(BOARD_PATH)/board.mk CPU_CORE ?= cortex-m0plus CFLAGS += \ -DCFG_TUSB_MCU=OPT_MCU_KINETIS_KL \ LDFLAGS += \ -specs=nosys.specs -specs=nano.specs \ -Wl,--defsym,__stack_size__=0x400 \ -Wl,--defsym,__heap_size__=0 SRC_C += \ src/portable/nxp/khci/dcd_khci.c \ src/portable/nxp/khci/hcd_khci.c \ $(MCU_DIR)/system_$(MCU).c \ $(MCU_DIR)/drivers/fsl_clock.c \ $(SDK_DIR)/drivers/gpio/fsl_gpio.c \ $(SDK_DIR)/drivers/lpsci/fsl_lpsci.c \ $(SDK_DIR)/drivers/uart/fsl_uart.c \ INC += \ $(TOP)/$(BOARD_PATH) \ $(TOP)/lib/CMSIS_5/CMSIS/Core/Include \ $(TOP)/$(MCU_DIR) \ $(TOP)/$(MCU_DIR)/drivers \ $(TOP)/$(SDK_DIR)/drivers/common \ $(TOP)/$(SDK_DIR)/drivers/gpio \ $(TOP)/$(SDK_DIR)/drivers/lpsci \ $(TOP)/$(SDK_DIR)/drivers/port \ $(TOP)/$(SDK_DIR)/drivers/smc \ $(TOP)/$(SDK_DIR)/drivers/uart \