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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


© Cypress Semiconductor Corporation (an Infineon company) or an affiliate of Cypress Semiconductor Corporation, 2019-2022.