/**
  ******************************************************************************
  * 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) 2021 Shanghai Eastsoft Microelectronics Co., Ltd. ALL rights reserved.
  *******************************************************************************
  */

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Version history:
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2021-10-20	V1.0.0	AE TEAM

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Demo introduction:
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本示例功能：使用QSPI FLASH 烧录文件，将dhrystone测试程序下载到外部QSPI FLASH中，复位后在QSPI FLASH中运行，测试在外部QSPI FLASH下的性能。

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测试环境:
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测试用板；
ES-PDS-ES32F369x
微雪W25QXX

辅助工具：


辅助软件：


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测试步骤：
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1) 检查IDE对应目录下，是否有烧录算法文件ES32F369x_QSPI_16M.FLM，如果没有，需要先将03_es32369x_flm_for_qspi中生成的烧录算法文件复制到IDE对应的文件夹下；
2) 编译工程，编译通过后将程序下载到目标芯片；
3) 复位芯片，进入在线调试；
4) 将变量Microseconds、Dhrystones_Per_Second、dmhz添加到watch窗口；
5) 观察步骤4中的三个变量的最终值
6) 修改“C/C++”选项卡中预处理器宏定义（“TEST_PLL_48M”，“TEST_PLL_24M”）
7) 重复步骤(2) ~ (6)进行不同主频下的性能测试

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注意：
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1) QSPI模块通信速度不能超过48Mbps(即没跟数据线的最大速率为12Mbps)

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System clock:
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Pin connection: 
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QSPI1_NSS  ---- (PB12, GPIO_FUNC_6)
QSPI1_SCK  ---- (PB13, GPIO_FUNC_6)
QSPI1_IO0  ---- (PB14, GPIO_FUNC_6)
QSPI1_IO1  ---- (PB15, GPIO_FUNC_6)
QSPI1_IO2  ---- (PB10, GPIO_FUNC_6)
QSPI1_IO3  ---- (PB11, GPIO_FUNC_6)
