cmake_minimum_required(VERSION 3.20.0) list(APPEND ZEPHYR_EXTRA_MODULES ${CMAKE_CURRENT_SOURCE_DIR}/libs) find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE}) project(buzzer) include(${ZEPHYR_BASE}/samples/subsys/usb/common/common.cmake) target_sources(app PRIVATE src/main.c)