zephyr_library() zephyr_library_include_directories( # USB headers $ENV{ZEPHYR_BASE}/include/drivers/usb $ENV{ZEPHYR_BASE}/include/usb/ $ENV{ZEPHYR_BASE}/usb/include/ .. # IP headers $ENV{ZEPHYR_BASE}/subsys/net/ip ) zephyr_library_sources( netusb.c ) zephyr_library_sources_ifdef( CONFIG_USB_DEVICE_NETWORK_ECM function_ecm.c )