[参考译文] AWR6843AOP：带 DMA 的 UART、读取通道当前帧 cnt 返回旧值

    UART_Params_init(&uartParams);
    
    uartParams.writeDataMode    = UART_DATA_BINARY;
    uartParams.readDataMode     = UART_DATA_BINARY;

    uartParams.readReturnMode   = UART_RETURN_FULL;
    uartParams.readEcho         = UART_ECHO_OFF;

    uartParams.clockFrequency = gMmwMssMCB.cfg.platformCfg.sysClockFrequency;
    uartParams.baudRate       = gMmwMssMCB.cfg.platformCfg.commandBaudRate;
    uartParams.isPinMuxDone   = 1;
    
    uartParams.dmaHandle      = dmaHandle;
    uartParams.txDMAChannel   = UART_DMA_TX_CHANNEL; //1
    uartParams.rxDMAChannel   = UART_DMA_RX_CHANNEL; //2

//    status = SemaphoreP_pend (ptrUartSciDriver->readSem, ptrUartSciDriver->params.readTimeout);

            memset(&pChanStatus, 0, sizeof(pChanStatus));
            retCode = DMA_getChannelStatus(handlee, 2, &pChanStatus);
            cnt_1 = pChanStatus.chCurrFrameCnt;

UART_readCancel(gMmwMssMCB.commandUartHandle);