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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ADC的软件触发和轮询功能。

Function descriptions:
This example demonstrates the software triggering and polling functions of ADC.
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测试环境：
测试用板：PY32M010_STK
MDK版本： 5.28

Test environment:
Test board: PY32M010_STK
MDK Version: 5.28
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使用步骤：
1. 编译并下载程序；
2. 串口每隔1s打印一次通道4(PA7)的电压值.

Example execution steps:
1. Compile and download the program;
2. The serial port prints the voltage value of channel 4 (PA7) every 1 second
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注意事项：
1.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
PB4(TX)  -->  RX
PB5(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
2.如果需要使用按键:
StartKit版本为V1.0,需将StartKit.h中的StartKitVersion 2 注释掉，并打开
StartKitVersion 1
StartKit版本为V1.0以上版本,则无需操作

Notes:
1.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
PB4(TX)  -->  RX
PB5(RX)  -->  TX
GND      -->  GND
UART is configured as BaudRate 115200, data bit 8, stop bit 1, and parity None.
@PrintfConfigEnd
2.If you need to use buttons:
StartKit version is V1.0, please comment out StartKitVersion 2 in StartKit.h and 
open StartKitVersion 1
If the StartKit version is above V1.0, no operation is required
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