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AM3517 USB Host Technical Issues

RogerZ
Intellectual 295 points

Other Parts Discussed in Thread: AM3517

Dear All:

There are some problem with Am3517 USB Host Function in WinCE 6.0, I have get a AM3517 EVM and use it to evaluation the platform,I start to test USB Host function

as below follow.

- Core OS Services ->USB Host Support->USB Human Device(HID) Class Driver->USB HID Keyboard and Mouse->USB HID Keyboard Only->USB HID Mouse Only

->AM35X_BSP:ARMV4I->Drivers->USB->Host Port1(Experimenter Board)

Finish foreward action items, I start to complie the project, when the complie has finished I plug a USB mouse into the host USB port, But the OS can not find it.

please give me some suggestoin.

Thanks & Best Regards!!

Roger Zeng

  • 0
    TI__Intellectual 2525 points

    Roger,

    I am assuming you are referring to EHCI port on the experimenter board.

    Are you using a USB 2.0 hub to connect the mouse to the EHCI port? This is required to see the mouse working. Only a high speed device can be directly connected to the EHCI port. You might want to reboot the board and try your experiment with the hub.

    The default catalog which comes with the BSP has the entries for HID keyboard and mouse enabled by default. The EHCI port on experimenter board is also enabled in defauly catalog. Could you confirm that you are able to see the mouse activity when using the prebuilt image which is part of the BSP? You should not have to recompile the OS design for EHCI mouse/keyboard functionality.

    Hope this helps.

    Regards,

    Aparna

  • 0 in reply to Aparna Balasubramanian
    TI__Prodigy 250 points

    Roger,

     

    In addition, try plugging the mouse into the OTG connector.  If the mouse works, then Aparna's suggestion on the USB 2.0 hub should work. If the OTG port also does not recognize the mouse, then it is most likely an option not enabled in the catalog.

     

    Regards,

    Ken