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# UDB SDIO for WHD Release Notes
This library provides a UDB based SDIO interface that allows for communicating between a PSoC™ 6 and a wireless device such as the CYW4343W, CYW43438, or CYW43012.
### What's Included?
* UDB based SDIO interface for WHD using Port 2
* UDB based SDIO interface for WHD using Port 9
* UDB based SDIO interface for WHD using Port 12
### What Changed?
#### v1.2.1
* Fix error when building for CM0P with a 2.X BSP and mtb-hal-cat1 v1.6.0 or older.
#### v1.2.0
* Updated how some SDIO resource reservations happen
* Improve interrupt handling when running on CM0+ core
#### v1.1.1
* Fixed potential issue with Port 12 handling of data bus busy
#### v1.1.0
* Fixed bug where driver could try to send data while bus was still busy
* Minor code style cleanups
#### v1.0.1
* Minor update for documentation & branding
#### v1.0.0
* Initial release
### Supported Software and Tools
This version of the UDB SDIO interface for WHD was validated for compatibility with the following Software and Tools:
| Software and Tools | Version |
| :--- | :----: |
| ModusToolbox™ Software Environment | 2.4.0 |
| GCC Compiler | 10.3.1 |
| IAR Compiler | 9.30.1 |
| ARM Compiler 6 | 6.16 |
Minimum required ModusToolbox™ Software Environment: v2.0
### More information
* [API Reference Guide](https://infineon.github.io/udb-sdio-whd/html/index.html)
* [Cypress Semiconductor, an Infineon Technologies Company](http://www.cypress.com)
* [Infineon GitHub](https://github.com/infineon)
* [ModusToolbox™](https://www.cypress.com/products/modustoolbox-software-environment)
* [PSoC™ 6 Code Examples using ModusToolbox™ IDE](https://github.com/infineon/Code-Examples-for-ModusToolbox-Software)
* [ModusToolbox™ Software](https://github.com/Infineon/modustoolbox-software)
* [PSoC™ 6 Resources - KBA223067](https://community.cypress.com/docs/DOC-14644)
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© Cypress Semiconductor Corporation (an Infineon company) or an affiliate of Cypress Semiconductor Corporation, 2019-2022.