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SK-TDA4VM: 通过串口发送数据时,出现每个字节数据之间有间隔,数据不连续

Part Number: SK-TDA4VM
Other Parts Discussed in Thread: J721EXSOMXEVM,

按照uart_diag.c 的案例

    Board_STATUS status;
    Board_initCfg boardCfg;
    Board_initParams_t initParams;
    int ret;

    boardCfg = BOARD_INIT_PINMUX_CONFIG;

    status = Board_init(boardCfg);
    if(status != BOARD_SOK)
    {
        return -1;
    }

    /* Verify the SoC UART0 */
    Board_getInitParams(&initParams);
    initParams.uartInst = 0;
    initParams.uartSocDomain = BOARD_SOC_DOMAIN_MAIN;
    Board_setInitParams(&initParams);
    status = Board_init(BOARD_INIT_UART_STDIO);//uart_stdio
    if(status != BOARD_SOK)
    {
        return -1;
    }

    ret = uart_test();
    if(ret != 0)
    {
        UART_printf("\nSoC UART0 Test Failed!!\n");
        return ret;
    }

和 main_uart_test.c中案例(open weite发送串口数据),但是数据都有间隔。

帮忙看一下,这个数据为什么不连续。