cmake_minimum_required(VERSION 3.20.0) find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE}) project(buzzer) target_sources(app PRIVATE src/main.c src/fs.c src/io.c src/audio.c src/usb.c src/uart.c src/protocol.c src/utils.c src/settings.c ) zephyr_include_directories(include)