/**
  ******************************************************************************
  * 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：I2C主机方式与eeprom芯片通信，读写数据，通过UART打印读写结果。

<--------------------------------------------------------------------------------
测试环境:
--------------------------------------------------------------------------------->
测试用板；
ES-PDS-ES32VF2264，ES-PDS-E2+FLASH-V1.1

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) 将芯片的SCL/SDA分别连接eeprom的SCL/SDA，芯片的TX/RX分别接ES-Bridge的RX/TX；
3) 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”；
4) 上位机切换到UART标签页，按照程序配置参数（波特率115200-1位停止位-8位数据位-无奇偶校验-正常模式），打开串口；
5) 复位芯片，或在线调试，运行程序，上位机接收框打印读写结果。

<--------------------------------------------------------------------------------
注意：
--------------------------------------------------------------------------------->
1) ES-PDS-E2+FLASH需要供电（3.3V），且整个测试环境需要共GND。

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

<--------------------------------------------------------------------------------
Pin connection: 
--------------------------------------------------------------------------------->
I2C0_SCL  ---- PB2[GPIO_FUNC_5]
I2C0_SDA  ---- PB3[GPIO_FUNC_5]
CUART1_TX ---- PA2[GPIO_FUNC_2]
