1add_subdirectory(${CMAKE_CURRENT_LIST_DIR}/core) 2add_subdirectory(${CMAKE_CURRENT_LIST_DIR}/usbx_device_classes) 3add_subdirectory(${CMAKE_CURRENT_LIST_DIR}/usbx_host_classes) 4add_subdirectory(${CMAKE_CURRENT_LIST_DIR}/usbx_host_controllers) 5add_subdirectory(${CMAKE_CURRENT_LIST_DIR}/usbx_network) 6add_subdirectory(${CMAKE_CURRENT_LIST_DIR}/usbx_pictbridge) 7