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How to change the serial debug interface(UART3) to UART1 or UART2?

Siyou
Intellectual 560 points
Other Parts Discussed in Thread: AM3517

Hardware: custom AM3517 board

Software: WinCE 6.0R3 + BSP_WINCE_ARM_A8_01_02_00_Source

     As the UART3 of customer's board is unavailable, so I couldn't get any trace from XLDR and eBoot. Does it could use the UART1/UART2 to replace the default serial debug interface? If it could, how to modify the XLDR and eBoot source code? Thanks!

  • 0
    TI__Expert 4155 points

    The default UART port is configured in am35x_bsp\src\bsp_common\bspcfg\bspcfg.c

    Please look for following definition in bspcfg.c and change accordingly.

    static const DEBUG_UART_CFG debugUartCfg={
        OMAP_DEVICE_UART3,
        BSP_UART_LCR,
        BSP_UART_DSIUDLL,
        BSP_UART_DSIUDLH
    } ;

    If you are looking for similar changes in NK.bin, then EnableDebugSerialClock() function in am35x_bsp\src\oal\oallib\init.c should be changed also.

    Thanks,

    Tao

     

  • 0 in reply to Tao Zhang
    Intellectual 560 points

    Hi Tao,

              Thank you for your help!