Arduino 键盘注销

由 drbear 创建，youj 最后一次修改 2016-12-26 本示例使用键盘库将你在计算机上的用户会话注销，此时ARDUINO UNO上的引脚2被拉至接地。草图同时按两个或三个按键的顺序模拟按键，并在短暂的延迟之后释放它们。警告 - 当你使用 Keyboard.print()命令时，Arduino接管你的计算机键盘。为确保在使用此功能运行草图时不会失去对计算机的控制，请在调用Keyboard.print()之前设置可靠的控制系统。此草图旨在在引脚被拉至接地后才发送键盘命令。必需的组件你将需要以下组件：1 × Breadboard 面包板1 × Arduino Leonardo, Micro, 或Due板1 × 按钮1 × 跳线程序按照电路图连接面包板上的组件，如下图所示。草图在计算机上打开Arduino IDE软件。使用Arduino语言进行编码控制你的电路。通过单击“New”打开一个新的草图文件。对于本例，你需要使用Arduino IDE 1.6.7注意 - 你必须在Arduino库文件中包含键盘库。将键盘库文件复制并粘贴到名为libraries的文件（下图高亮显示）中，如以下屏幕截图所示。Arduino代码/* Keyboard logout This sketch demonstrates the Keyboard library. When you connect pin 2 to ground, it performs a logout. It uses keyboard combinations to do this, as follows: On Windows, CTRL-ALT-DEL followed by ALT-l On Ubuntu, CTRL-ALT-DEL, and ENTER On OSX, CMD-SHIFT-q To wake: Spacebar. Circuit: * Arduino Leonardo or Micro * wire to connect D2 to ground.*/#define OSX 0#define WINDOWS 1#define UBUNTU 2#include "Keyboard.h"// change this to match your platform:int platform = WINDOWS;void setup() { // make pin 2 an input and turn on the // pullup resistor so it goes high unless // connected to ground: pinMode(2, INPUT_PULLUP); Keyboard.begin();}void loop() { while (digitalRead(2) == HIGH) { // do nothing until pin 2 goes low delay(500); } delay(1000); switch (platform) { case OSX: Keyboard.press(KEY_LEFT_GUI); // Shift-Q logs out: Keyboard.press(KEY_LEFT_SHIFT); Keyboard.press('Q'); delay(100); // enter: Keyboard.write(KEY_RETURN); break; case WINDOWS: // CTRL-ALT-DEL: Keyboard.press(KEY_LEFT_CTRL); Keyboard.press(KEY_LEFT_ALT); Keyboard.press(KEY_DELETE); delay(100); Keyboard.releaseAll(); //ALT-l: delay(2000); Keyboard.press(KEY_LEFT_ALT); Keyboard.press('l'); Keyboard.releaseAll(); break; case UBUNTU: // CTRL-ALT-DEL: Keyboard.press(KEY_LEFT_CTRL); Keyboard.press(KEY_LEFT_ALT); Keyboard.press(KEY_DELETE); delay(1000); Keyboard.releaseAll(); // Enter to confirm logout: Keyboard.write(KEY_RETURN); break; } // do nothing: while (true);}Keyboard.releaseAll(); // enter: Keyboard.write(KEY_RETURN); break; case WINDOWS: // CTRL-ALT-DEL: Keyboard.press(KEY_LEFT_CTRL); Keyboard.press(KEY_LEFT_ALT); Keyboard.press(KEY_DELETE); delay(100); Keyboard.releaseAll(); //ALT-l: delay(2000); Keyboard.press(KEY_LEFT_ALT); Keyboard.press('l'); Keyboard.releaseAll(); break; case UBUNTU: // CTRL-ALT-DEL: Keyboard.press(KEY_LEFT_CTRL); Keyboard.press(KEY_LEFT_ALT); Keyboard.press(KEY_DELETE); delay(1000); Keyboard.releaseAll(); // Enter to confirm logout: Keyboard.write(KEY_RETURN); break; } // do nothing: while (true);}代码说明在将程序上传到你的板之前，请确保将正在使用的正确操作系统分配给平台变量。在草图运行时，按下按钮将引脚2接地，而板将发送注销序列发送到USB连接的PC。结果当将引脚2接地时，它将执行注销操作。它使用以下键盘组合注销： 在 Windows 上，按CTRL-ALT-DEL，然后按ALT-l在 Ubuntu ，CTRL-ALT-DEL和ENTER在 OSX 上，CMD-SHIFT-q