/**
  ******************************************************************************
  * 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:
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2020-05-13	V1.0.0	AE TEAM
2022-04-28	V1.0.1	AE TEAM

<--------------------------------------------------------------------------------
Demo introduction:
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Timer triggers ADC conversion
The conversion result will be output to UART

<--------------------------------------------------------------------------------
System clock:
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Internal HRC[24MHz] divided by 6, then PLL to 48MHz.

<--------------------------------------------------------------------------------
Pin connection: 
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ADC_CH0 ---- (PA0, GPIO_FUNC_0)
ADC_CH2 ---- (PA2, GPIO_FUNC_0)
UART_TX ---- (PB6, GPIO_FUNC_2)
UART_RX ---- (PB7, GPIO_FUNC_2)