/**
  ******************************************************************************
  * 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) 2023 Shanghai Eastsoft Microelectronics Co., Ltd. ALL rights reserved.
  *******************************************************************************
  */

<--------------------------------------------------------------------------------
Version history:
--------------------------------------------------------------------------------->
2023-03-15	V1.0.0	AE TEAM

<--------------------------------------------------------------------------------
Demo introduction:
--------------------------------------------------------------------------------->
本示例功能：AD16C4T1使用外部时钟ET，AD16C4T1对其ET上的时钟进行100次计数后产生周期
更新事件中断，中断服务程序翻转PA2电平

<--------------------------------------------------------------------------------
测试环境:
--------------------------------------------------------------------------------->
测试用板；
ES-PDS-ES32VF2264

辅助工具：
多功能接口转换工具ES-Bridge

辅助软件：
ES-Bridge上位机软件

<--------------------------------------------------------------------------------
测试步骤：
--------------------------------------------------------------------------------->
1) 编译工程，编译通过后将程序下载到目标芯片；
2) 将程序配置的TOGGLE引脚连接ES-Bridge的逻辑笔通道（例如P0/D0）；
3) 将程序配置的ET对应的引脚连接到ES-Bridge的PWM输出通道（例如PWM0）；
4) ES-Bridge通过USB线缆连接PC，打开上位机软件，“设备操作”选项里选择“打开”；
5) 上位机切换到PWM标签页，选择相应PWM输出通道，完成相关PWM配置后点击“开始”；
6) 上位机切换到逻辑笔标签页，选择相应逻辑笔通道后点击“开始”；
7) 在线调试，运行程序；

<--------------------------------------------------------------------------------
注意：
--------------------------------------------------------------------------------->
1) 测试板与ES-Bridge需共GND。

<--------------------------------------------------------------------------------
System clock:
--------------------------------------------------------------------------------->
PLL 72MHz

<--------------------------------------------------------------------------------
Pin connection: 
--------------------------------------------------------------------------------->
TOGGLE  ---- PA2 [GPIO_FUNC_1]
ETR     ---- PC1 [GPIO_FUNC_4]
