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Thread: Use UART over USB at XMC1100 BootKit

  1. #1
    XMC-Chriss
    Guest

    Use UART over USB at XMC1100 BootKit

    Hello,

    Is it possible, to use UART Interface at XMC1100BootKit over USB Link -> Virtuel COM Port ???

    P1.2 and P1.3 are recognized for that...
    Put it seems that's only working in combination with X-Spy. See Hint on Schematic...

    It would be fine, if there's a way to communicate with own terminal Software... Virtuel COM Port is avaiable, But it seems Debug-XMC4500 on Board is not prepared for that.

    May there is a way?

    Best Thanks for help.

  2. #2
    Beginner Beginner smays will become famous soon enough
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    Check to see if a virtual COM port has been created for the boot kit.

    Steve.

  3. #3
    XMC-Chriss
    Guest
    Yes, Virtual COM Port is there in HW-Manager...

    But it don't goes over DEBUG XMC4500 to XMC1100 ...
    I think, that virtual COM Port is only for use with X-Spy ???

    May, there is a way to use it with own Terminal-SW? That's the question ...

  4. #4
    chismo is on a distinguished road
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    Hello,

    Yes, the XMC1100 boot kit can be used to communicated with a PC terminal program via the virtual COM port.

    By default, the device on the boot kit is in SWD0 BMI mode.
    USIC0 channel 1 can be used to transmit or receive data via P1.2 and P1.3.

    Have you tried with the UART examples provided by DAVE?
    http://www.infineon.com/cms/en/produ...359f8ee6963814
    As long as the baud rate and COM port is correctly configured at the terminal program, the example should work properly.

    Regards,
    Min Wei

  5. #5
    XMC-Chriss
    Guest
    Hi,

    Thanks, but as already written...

    I can meassure the UART signals directly on the ports. 1.2, 1.3 ...BUT, it don't goes over the XMC4500 USB-Chip to virtual COM.

    ?

  6. #6
    chismo is on a distinguished road
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    Hello,

    Can I confirmed that the correct COM port is selected at the terminal program? This can be found from your PC's device manager as shown below.
    Click image for larger version

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    Also, is the same baud rate used in XMC1100 and terminal program?

    These 2 points are usually the culprit to why the communication to terminal program fails.

    Regards,
    Min Wei

  7. #7
    XMC-Chriss
    Guest
    It's solved...
    It was a HW issue on board.

    Ist working now.
    Thanks for help.

  8. #8
    Beginner Beginner smays will become famous soon enough
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    Can you, please, share with us what the HW issue was, in case we have similar issues with boot kits in the future?

    Steve.

  9. #9
    XMC-Chriss
    Guest
    Metallic dirt between USB-XMC4200 Pins :-)
    Sorry, not reproduce able...

  10. #10
    Beginner Beginner smays will become famous soon enough
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    Ah, well at least you were able to fix it!

    Steve.

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