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Visitor II
April 2, 2025
Question

USBX driver CDC virtual comport

  • April 2, 2025
  • 2 replies
  • 339 views

Hi,

While configuring STM32U585 controller USBX driver CDC virtual comport device is not showing in device manager. Pl provide sample code for STM32U585VIT6. This is out custom board with a USB port acting as device to the PC.

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    2 replies

    Technical Moderator
    April 2, 2025

    Hi @SKCL-1 

    If you can share the USB schematics, your firmware configuration and additional details it will be easier to help you further investigate the issue.

    SKCL-1Author
    Visitor II
    April 9, 2025

    SKCL1_0-1744184023788.png

    SKCL1_1-1744184046302.png

    Attached schematic of the USB section. 

    SKCL1_2-1744184077277.png

    We are looking for firmware support, so that we can see virtual com board. THe board is working so clk and other areas are no issues, Currently we are drawing power from the 2-usb ports