/*!
    \file    readme.txt
    \brief   description of the USART DMA receive by IDLE interrupt

    \version 2025-01-01, V2.5.0, firmware for GD32F3x0
*/

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*/

  This demo is based on the GD32350R-EVAL-V1.0 board, it shows how to
use the USART DMA receive data by IDLE interrupt(the length of data is not fixed).
  Firstly, the LED2 is on and USART waiting for receiving max 256 bytes data from the 
hyperterminal. Every time if the number of data(length is not fixed) you sent from the
hyperterminal, LED2 will be toggled and the received data will be send to the hyperterminal.
