keyPressed()

描述

keyPressed() 是一个函式,当连接的 USB 键盘被按下时被呼叫。

语法


void keyPressed() {
  // statements
}

范例

#include <KeyboardController.h>

// 初始化 usb 物件
USBHost usb;

// 连接滑鼠到 usb 物件
KeyboardController keyboard(usb);

void setup(){
  Serial.begin(9600);
}

void loop(){
  usb.Task();
}

void keyPressed() {
  Serial.print("Pressed:  ");
  Serial.print(keyboard.getKey());
  Serial.println();
}

参见

keyReleased()
getModifiers()
getKey()
getOemKey()


函式库参考主页面

The text of the 86Duino reference is a modification of the Arduino reference, and is licensed under a Creative Commons Attribution-ShareAlike 3.0 License. Code samples in the reference are released into the public domain.