/**
  ******************************************************************************
  * 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
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  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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  * Copyright (C) 2021 Shanghai Eastsoft Microelectronics Co., Ltd. ALL rights reserved.
  *******************************************************************************
  */

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Version history:
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2021-8-3    V1.0.0  AE TEAM

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Demo introduction:
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本示例功能：
在NAND Flash上创建fat文件系统，创建并打开文件ESSEMI.txt，写入“上海东软载波微电子有限公司”后关闭该文件，
重新打开文件，读取文件内容后关闭文件，然后对内容进行比较，若与写入内容相同，则开发板LED7闪烁，否则LED6闪烁。

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测试环境:
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测试用板；
ES-PDS-ES32F369x-V2.1
ES-PDS-ES32SRAM_VGA3

辅助工具：

辅助软件：

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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) 将ES-PDS-ES32SRAM_VGA3安插到ES-PDS-ES32F369x-V2.1；
3) 复位芯片，或在线调试，运行程序；
4) 程序运行成功，则开发板LED7闪烁，否则LED6闪烁。

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注意：
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1) 可通过测量PB8引脚来测量demo中fatfs操作的运行时间。

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System clock:
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External HOSC[12MHz] divided by 3, then PLL to 72MHz.

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Pin connection: 
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