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<>1.工具
* USB-TTL(非常便宜，几块钱)
* STM32F103C8T6(几块钱)
<>2.引脚连线
USB-TTLSTM32
TXPA10
RXPA9
VCC3.3V
GNDGND
注意事项：
* 跳线帽位置：BOOT0接高电平(1)，BOOT1接低电平(0)
* 每次上传程序前需要按一下复位键(之后，跳线帽的位置不需要改变，程序即可正常运行)，否则会可能出现下面这种情况：
<>3.开发环境搭建
* 在Vscode中下载platformio插件：
2. 新建工程
3.注意事项：第一次新建工程时，速度会特别慢，因此可以直接添加我已经下载好的资源包，放到自己的电脑相应位置中即可，这样第一次新建工程时速度就会非常快，不过第一次上传程序时仍然会自动下载一些依赖(比如下载工具，这个不用管会自动进行下载，速度很快)
<>4.工程配置
在platformio.ini文件中需要添加以下代码(注意根据自己的串口进行修改)
[env:genericSTM32F103C8] platform = ststm32 board = genericSTM32F103C8
framework= arduino upload_port = COM17 monitor_port = COM17 upload_protocol =
serial
<>5.测试程序
注意事项：
* 由于stm32的调试串口是非Arduino标准定义的，因此需要使用SoftwareSerial库。
* 串口调试：经过测试，串口波特率只能设置为9600，设置其他数值无法进行串口打印调试 // 示例1：点灯测试程序 #include <Arduino.h>
#define ledPin PC13 void setup() { pinMode(ledPin, OUTPUT); } void loop() {
digitalWrite(ledPin, HIGH); delay(500); digitalWrite(ledPin, LOW); delay(500); }
// // 示例程序2：串口调试 // #include <Arduino.h> // #include <SoftwareSerial.h> //
const byte txPin = PA9; // const byte rxPin = PA10; // SoftwareSerial
mySerial(rxPin, txPin); // static int i = 0; // void setup() // { //
pinMode(rxPin, INPUT); // pinMode(txPin, OUTPUT); // mySerial.begin(9600); // }
// void loop(){ // mySerial.println(i++); // delay(500); // }
