/**
  ******************************************************************************
  * 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) 2022 Shanghai Eastsoft Microelectronics Co., Ltd. ALL rights reserved.
  *******************************************************************************
  */

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Version history:
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2023-12-22	V1.0.0	AE TEAM

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Demo introduction:
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本示例功能：IAP期间响应AD16C4T中断。
            IAP循环擦写，AD16C4T定时10us进中断，并翻转PA2电平。

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测试环境:
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测试用板；
ES-PDS-ES32VF2264

辅助工具：
示波器

辅助软件：
无

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测试步骤：
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1) 编译工程，编译通过后将程序下载到目标芯片；
2) 在线调试，将地址0x10000加入Memory Window，运行程序；
3) 可在IAP操作时打断点以便观察地址0x10000的数值变化；
4) 当IAP操作成功后，PA15拉低，对应LED点亮，否则LED熄灭；
5) 观察PA2是否稳定输出周期20us的方波，是则IAP期间持续响应中断，否则IAP期间未响应中断。

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注意：
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1) IAP函数iap_exe和中断服务程序AD16C4T_UP_TRIG_COM_Handler必须在SRAM运行；
2) 中断向量表vectors必须重映射在SRAM中。

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System clock:
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PLL 72MHz

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Pin connection: 
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LED ----- PA15[GPIO_FUNC_1]
TOGGLE -- PA2[GPIO_FUNC_1]
