PD Logging

The PD Logging feature allows you to monitor Power Delivery communication on all 8 ports of the USBHub3c.

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)


With HubTool you can easily visualize the Power Delivery log.


Relevant API’s

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