Crate usb_gadget

This library allows implementation of USB peripherals, so called USB gadgets, on Linux devices that have a USB device controller (UDC). Both, pre-defined USB functions and fully custom implementations of the USB interface are supported.

Requirements

A USB device controller (UDC) supported by Linux is required.

The Linux kernel configuration options CONFIG_USB_GADGET and CONFIG_USB_CONFIGFS need to be enabled.

root permissions are required to configure USB gadgets and the configfs filesystem needs to be mounted.

Usage

Start defining an USB gadget by calling Gadget::new. When the gadget is fully specified, call Gadget::bind to register it with a USB device controller (UDC).

Modules

• function
  USB gadget functions.

Structs

• Class
  USB gadget or interface class.
• Config
  USB gadget configuration.
• Gadget
  USB gadget definition.
• Id
  USB gadget id.
• OsDescriptor
  USB gadget operating system descriptor.
• RegGadget
  USB gadget registered with the system.
• Strings
  USB gadget description strings.
• Udc
  USB device controller (UDC).
• WebUsb
  USB gadget WebUSB descriptor.

Enums

• Language
  USB language id.
• Speed
  USB speed.
• UdcState
  USB device controller (UDC) connection state.
• UsbVersion
  USB version.
• WebUsbVersion
  WebUSB version.

Functions

• default_udc
  The default USB device controller (UDC) in the system by alphabetical sorting.
• registered
  Get all USB gadgets registered on the system.
• remove_all
  Remove all USB gadgets defined on the system.
• udcs
  Gets the available USB device controllers (UDCs) in the system.
• unbind_all
  Unbind all USB gadgets defined on the system.