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LAUNCHXL-F28P65X: Issue with LAUNCHXL-F28P65X USB-UART Output

sj kim
Prodigy 210 points

Part Number: LAUNCHXL-F28P65X

Dear TI Support Team,

I recently purchased the LAUNCHXL-F28P65X and am using it for the first time. 
I built and ran the provided example sci_ex1_loopback, but nothing is being output through my USB-UART connection.

My current configuration is as follows :
S2 switch: SEL1 = 0 (DOWN), SEL2 = 1 (UP)
Code settings: SCI-RX = GPIO43, SCI-TX = GPIO42

Could you please advise me on what might be missing or misconfigured?

Thank you for your support.

  • 0
    TI__Mastermind 23491 points

    Hi SJ,

    The switch configuration looks correct. For the example, please ensure you are using the LAUNCHXL build configuration as that will use the device.h definitions for the LAUNCHXL-F28P65X board. In addition, when using the loopback, please sure you are connecting to the COM port associated with the UART, since there are 2 ports occupied by the XDS, you may be selecting the incorrect one

    Regards,

    Peter

  • 0 in reply to Peter Luong
    Prodigy 210 points

    Hi Perter Luong1

    I have connected both UART ports, but no messages are being displayed.

    Could you advise what might be incorrect in my setup?

    Regards,

    sjkim

  • 0 in reply to sj kim
    TI__Mastermind 23491 points

    Hi SJ,

    How are you connecting to the COM port? Are you using external program like Putty or the built-in COM port in CCS. Please provide screenshots of your setup including the Device Manger screen showing the connected COM ports

    Regards,

    Peter