CONFIG_STDOUT_CONSOLE=y CONFIG_GPIO=y #USB related configs CONFIG_USB=y CONFIG_USB_DEVICE_STACK=y CONFIG_USB_DEVICE_PRODUCT="Zephyr MSC sample" CONFIG_LOG=y CONFIG_USB_DRIVER_LOG_LEVEL_ERR=y CONFIG_USB_MASS_STORAGE=y CONFIG_USB_DEVICE_LOG_LEVEL_ERR=y CONFIG_USB_MASS_STORAGE_LOG_LEVEL_ERR=y # If the target's code needs to do file operations, enable target's # FAT FS code. (Without this only the host can access the fs contents) #CONFIG_FILE_SYSTEM=y