35 lines
1.1 KiB
C++
Executable File
35 lines
1.1 KiB
C++
Executable File
/*
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DigitalReadSerial
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Reads a digital input on pin 2, prints the result to the serial monitor
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读取引脚2的数字输入，将结果显示在串口监视器中
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This example code is in the public domain.
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*/
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// digital pin 2 has a pushbutton attached to it. Give it a name:
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//引脚2连接有按键开关，给它一个名字：
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int pushButton = 2;
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// the setup routine runs once when you press reset:
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//当你按下复位按钮后，setup流程运行一次：
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void setup() {
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// initialize serial communication at 9600 bits per second:
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//串口通讯初始化，每秒9600位
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Serial.begin(9600);
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// make the pushbutton's pin an input:
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//设置按键引脚为输入
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pinMode(pushButton, INPUT);
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}
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// the loop routine runs over and over again forever:
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// loop 流程会永远的反复运行
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void loop() {
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// read the input pin:
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//读取输入引脚:
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int buttonState = digitalRead(pushButton);
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// print out the state of the button:
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// 显示按键状态
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Serial.println(buttonState);
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delay(1); // delay in between reads for stability 为确保程序稳定运行进行短暂停止
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}
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