:orphan:

.. title:: USB_CDC_ACM_RINGBUF_SIZE

.. option:: CONFIG_USB_CDC_ACM_RINGBUF_SIZE

*USB CDC ACM ring buffer size*

Type: ``int``

Help
====

USB CDC ACM ring buffer size

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

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

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

Default
=======

- 1024

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

.. highlight:: kconfig

At ``subsys/usb/class/Kconfig:18``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:34`` → ``subsys/Kconfig:45`` → ``subsys/usb/Kconfig:144``

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

.. parsed-literal::

    config USB_CDC_ACM_RINGBUF_SIZE
    	int "USB CDC ACM ring buffer size"
    	default 1024
    	depends on \ :option:`USB_CDC_ACM <CONFIG_USB_CDC_ACM>` && \ :option:`USB_DEVICE_STACK <CONFIG_USB_DEVICE_STACK>`
    	help
    	  USB CDC ACM ring buffer size

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