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                                样例使用说明
                             Sample Description
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功能描述：
此样例演示了通过TIM1触发ADC模块的通道采样功能，配置CH0(PA00)为ADC的模拟输入通道，
TIM1配置为主模式，TIM1每产生一次更新事件，触发一次ADC采样，采样数据在中断中打印。

Function descriptions:
This sample demonstrates the use of TIM1 to trigger channel sampling in the ADC 
module. CH0(PA00) is configured as the analog input channel for ADC. TIM1 is set 
to the master mode, triggering ADC sampling on each update event. The sampled 
data is printed in an interrupt handler.
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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. 编译下载程序到MCU，并运行；
2. 每经过1s,TIM1触发一次ADC采样，将采到的数据通过串口打印。

Example execution steps:
1.Compile and download the program to the MCU and run it.
2.Every 1 second, TIM1 triggers ADC sampling, and the sampled data is printed via 
the serial port.
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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
通过USB转TTL模块连接PC与STK板,STK板与USB转TTL模块的连线方式如下；
@PrintfConfigStart
STK板        USB转TTL模块
PA02(TX)  -->  RX
PA03(RX)  -->  TX
GND       -->  GND
UART配置为波特率115200，数据位8，停止位1，校验位None
@PrintfConfigEnd

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
Connect the PC to the STK board through the USB to TTL module, and the connection
method between the STK board and the USB to TTL module is as follows:
@PrintfConfigStart
STK board USB to TTL module
PA02(TX)  -->  RX
PA03(RX)  -->  TX
GND       -->  GND
UART is configured as BaudRate 115200, data bit 8, stop bit 1, and parity None.
@PrintfConfigEnd
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