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AM620-Q1: How to open the log of USB controller？

XiulinLiu
Prodigy 70 points
Part Number: AM620-Q1

Tool/software:

Hi, Dear Expert

      Long term connection to PC through adb may cause disconnection issues, and no USB related logs can be seen in the kernel log. How can I open this log?

Thanks,

Xiulin Liu

  • 0
    TI__Guru**** 168211 points

    Hi Xiulin,

    You mentioned "adb", are you running Android on AM620-Q1?

  • 0 in reply to Bin Liu
    Prodigy 70 points

    Hi Bin Liu,

        Current SDK version is Processor SDK 10.00.07.04. not running Android, just porting the adb tools to devices.

        I want to know how to enable USB controller log,  i need to see some log like USB connect/disconnect event.

    Thanks,

    Xiulin Liu

  • 0 in reply to XiulinLiu
    TI__Guru**** 168211 points

    Hi Xiulin,

    AM620-Q1 USB device driver is in kernel under directory drivers/usb/dwc3/. The drivers do not provide debug messages such as USB connect/disconnect events. (typically USB connect/disconnect events happen in kernel interrupt context, in which it is uncommon to provide printk statements.)

    If you can describe what USB problem you have, I might have a hint on how to look into it.