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                                样例使用说明
                             Sample Description
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功能描述：
此样例演示了CRC校验功能，通过对一个数组里的数据进行校验，得到的校验值与理论校验
值进行比较，相等则LED灯亮，否则LED灯闪烁。

Function descriptions:
This example demonstrates the CRC verification function. By verifying the data
in an array, the obtained verification value is compared with the theoretical
verification value. If it is equal, the LED light will be on, otherwise the LED
blink.
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测试环境：
测试用板：PY32F072C_STK
MDK版本： 5.28
IAR版本： 9.20
GCC 版本：GNU Arm Embedded Toolchain 10.3-2021.10

Test environment:
Test board: PY32F072C_STK
MDK Version: 5.28
IAR Version: 9.20
GCC Version: GNU Arm Embedded Toolchain 10.3-2021.10
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使用步骤：
1. 编译下载程序到MCU，并运行；
2. 观察LED灯是否亮起，如果灯亮表示运行成功，否则运行失败

Example execution steps:
1. Compile and download the program to MCU and run it;
2. Observe whether the LED light is on. If it is on, it indicates successful
operation, otherwise it fails
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注意事项：

Notes:

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