UART DMA TX/RX working?

Troubleshooting and Support
1

Hi, I am a bit confused… Can I have both RX and TX UART with DMA? Do I need to stop the RX while transmitting and restart it in the TX OnComplete callback? I have the RX now working great with :

uart.DmaReceive(rx_buff, BytestRecv, NULL, RestartUartRx, NULL);

and

void RestartUartRx(void* state, UartHandler::Result res)
{
    updtParam = true;

    uart.DmaReceive(rx_buff, BytestRecv, NULL, RestartUartRx, NULL);
}

but when trying to use :

uart.DmaTransmit(
        tx_buff, total_size, nullptr, sendDataPacketDmaComplete, nullptr
);

I get no TX.