Panel/readme.txt

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                                样例使用说明
                             Sample Description
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功能描述：
此样例演示了在TIM3中基本计数功能，并使能了更新中断，每次重装ARR值时会产生一次
更新中断，并在中断中翻转LED灯，LED灯会以5Hz的频率进行翻转。

Function descriptions:
This sample demonstrates the basic counting functionality in TIM3 and enables 
the update interrupt. Every time the ARR value is reloaded, an update interrupt 
is triggered, and the LED light is toggled. The LED light will toggle at a 
frequency of 5Hz.
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测试环境：
测试用板：PY32F030_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: PY32F030_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. 编译下载程序并运行；
2. LED灯闪烁。

Example execution steps:
1.Compile and download the program.
2.Observe the blinking of the LED light.
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注意事项：
如果需要使用按键:
StartKit版本为V2.0以下,需将StartKit.h中的StartKitVersion 2 注释掉，并打开
StartKitVersion 1
StartKit版本为V2.0及以上版本,则无需操作

Notes:
If you need to use buttons:
StartKit version is below V2.0, you need to comment StartKitVersion 2 in
StartKit.h, and open StartKitVersion 1 
StartKit version is V2.0 and above, no operation is required
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