PD Logging

The PD Logging feature allows you to monitor Power Delivery communication on ports 0,1, and Control of the USBExt3c.

Use Cases

  • Capture Power Delivery (PD) events across all USB-C ports

  • Decode PD messages

  • Export PD message logs to CSV

  • Filter USB-PD traffic by message type.

  • Clearly show PD message direction.

  • Send arbitrary Vendor Defined Messages (VDMs)

HubTool

With HubTool you can easily visualize the Power Delivery log.

../../../_images/pd_logging_capture.gif

Relevant API’s

stem.pd[x].setUEIBytes() [cpp] [python]