/**
  ******************************************************************************
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  * Copyright (C) Shanghai Eastsoft Microelectronics Co., Ltd. ALL rights reserved.
  *******************************************************************************
  */

<--------------------------------------------------------------------------------
Version history:
--------------------------------------------------------------------------------->
2022-02-28	V1.0.0	AE TEAM


<--------------------------------------------------------------------------------
Demo introduction:
--------------------------------------------------------------------------------->
The demo applied with ES_USB_Lab on PC.
Send the data package(0 - 63 or others which length is 64 Bytes) to the mcu, then mcu will return the same.

<--------------------------------------------------------------------------------
System clock:
--------------------------------------------------------------------------------->
External HOSC[12MHz] divided by 3, then PLL to 48MHz.

<--------------------------------------------------------------------------------
Pin connection: 
--------------------------------------------------------------------------------->
UART1_TX ---- PC0[GPIO_FUNC_3]
UART1_RX ---- PC1[GPIO_FUNC_3]

Note: UART1 for debug[baudrate->115200]