:orphan:

.. title:: CONFIG_USB_CDC_ACM_RINGBUF_SIZE

.. kconfig:: CONFIG_USB_CDC_ACM_RINGBUF_SIZE

CONFIG_USB_CDC_ACM_RINGBUF_SIZE
###############################

*USB CDC ACM ring buffer size*

Type: ``int``

Help
====

.. code-block:: none

    USB CDC ACM ring buffer size

Direct dependencies
===================

\ :kconfig:`USB_CDC_ACM <CONFIG_USB_CDC_ACM>` && \ :kconfig:`USB_DEVICE_STACK <CONFIG_USB_DEVICE_STACK>`

*(Includes any dependencies from ifs and menus.)*

Default
=======

- 1024

Kconfig definition
==================



At ``<Zephyr Subsystem>/usb/class/Kconfig.cdc:21``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:44`` → ``<Zephyr Subsystem>/Kconfig:49`` → ``<Zephyr Subsystem>/usb/Kconfig:160`` → ``<Zephyr Subsystem>/usb/class/Kconfig:6``

Menu path: (Top) → Sub Systems and OS Services → USB Device Support → USB CDC ACM Class support → USB CDC ACM Class support

.. code-block:: kconfig

    config USB_CDC_ACM_RINGBUF_SIZE
    	int "USB CDC ACM ring buffer size"
    	default 1024
    	depends on USB_CDC_ACM && USB_DEVICE_STACK
    	help
    	  USB CDC ACM ring buffer size

*(The 'depends on' condition includes propagated dependencies from ifs and menus.)*