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Changelog

All notable changes to this project will be documented in this file.

The format is based on [Keep a Changelog], and this project adheres to [Semantic Versioning].

1.2.0 - 2026-05-20

Added

  • custom function: add send_async and recv_async methods for control transfers

1.1.1 - 2026-03-15

Fixed

  • custom function: error on control transfer halt and drop
  • custom function: recv_all() not truncating buffer to actual size

Changed

  • added #[must_use] annotations to builder and IO methods
  • revised endpoint transfer size and ZLP documentation

1.1.0 - 2026-03-12

Added

  • constants for common classes
  • constants for testing vid/pid

1.0.0 - 2026-03-11

Added

  • USB gadget CLI tool
  • DMAbuf support for custom functions
  • UAC1 gadget support
  • loopback gadget support
  • sourcesink gadget support
  • UVC: additional video formats
  • custom function: DFU descriptor support
  • custom name support for gadgets
  • device path lookup for gadgets (HID)
  • RegGadget::functions() for querying registered functions
  • UDC driver name querying
  • UsbVersion::V21 variant for USB 2.0 with BOS descriptor support

Changed

  • reversed Speed enum ordering for meaningful comparisons

Fixed

  • DeviceInterfaceGUID missing braces around GUID
  • custom function: panic in recv_and_fetch_timeout
  • RNDIS network function: write interface class values without 0x prefix as expected by kernel
  • stable and deduplicated function ordering in gadget configurations

Removed

  • deprecated Config::set_max_power_ma() method

0.7.6 - 2025-10-10

Changed

  • preserve functions order in gadget configuration by Warren Campbell

0.7.5 - 2024-12-06

Added

  • Printer gadget support by John Whittington
  • UAC2 gadget support by John Whittington
  • UVC gadget support by John Whittington

0.7.4 - 2024-11-29

Added

  • MIDI gadget support by John Whittington

0.7.3 - 2024-11-19

Added

  • custom descriptor support

0.7.2 - 2024-06-25

Changed

  • clarify meaning of BCD

Fixed

  • handle ordering

0.7.1 - 2024-04-22

Fixed

  • maximum device current handling
  • use correct bcdVersion in descriptor

0.7.0 - 2024-03-13

Fixed

  • device number data types

0.6.0 - 2023-11-11

Changed

  • custom interface: make status() return an Option<_>

0.5.2 - 2023-11-09

Changed

  • use old value for bcdVersion of OS descriptors for compatibility with older Linux kernels

0.5.1 - 2023-11-09

Added

  • interface-specific device class

0.5.0 - 2023-11-07

Added

  • custom interface: support usage with external USB gadget registration and pre-mounted FunctionFS
  • custom interface: allow specification of FunctionFS mount options and skip of interface initialization
  • allow gadget registration without binding

Changed

  • custom interface: switch to Bytes-based buffers

0.4.1 - 2023-11-01

Added

  • examples

0.4.0 - 2023-11-01

Added

  • extend Microsoft OS descriptor support

0.3.0 - 2023-10-13

Added

  • expose gadget registration status

0.2.0 - 2023-10-10

Added

  • custom USB function support

0.1.0 - 2023-09-29

  • initial release