:orphan:

.. title:: CONFIG_USB_MAX_NUM_TRANSFERS

.. kconfig:: CONFIG_USB_MAX_NUM_TRANSFERS

CONFIG_USB_MAX_NUM_TRANSFERS
############################

*Set number of USB transfer data buffers*

Type: ``int``

Help
====

.. code-block:: none

    Allocates buffers used for parallel transfers. Increase this number
    according to USB devices count.

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

\ :kconfig:`USB_DEVICE_STACK <CONFIG_USB_DEVICE_STACK>`

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

Default
=======

- 4

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



At ``<Zephyr Subsystem>/usb/Kconfig:58``

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

Menu path: (Top) → Sub Systems and OS Services → USB Device Support

.. code-block:: kconfig

    config USB_MAX_NUM_TRANSFERS
    	int "Set number of USB transfer data buffers"
    	range 1 32
    	default 4
    	depends on USB_DEVICE_STACK
    	help
    	  Allocates buffers used for parallel transfers. Increase this number
    	  according to USB devices count.

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