mirror of
https://github.com/m5stack/M5Stack.git
synced 2026-05-20 10:06:46 -07:00
TinyuChiu
55 lines
2.6 KiB
Arduino
55 lines
2.6 KiB
Arduino
/*
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*******************************************************************************
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* Copyright (c) 2023 by M5Stack
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* Equipped with M5Core sample source code
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* 配套 M5Core 示例源代码
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* Visit for more information: https://docs.m5stack.com/en/core/gray
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* 获取更多资料请访问: https://docs.m5stack.com/zh_CN/core/gray
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*
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* Describe: Button example. 按键示例
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* Date: 2022/7/1
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*******************************************************************************
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Press button A/B/C to display the corresponding output on the screen
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按下按键A/B/C，在屏幕上显示相应输出
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*/
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#include <M5Stack.h>
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/* After M5Core is started or reset
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the program in the setUp () function will be run, and this part will only be
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run once. 在 M5Core
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启动或者复位后，即会开始执行setup()函数中的程序，该部分只会执行一次。 */
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void setup() {
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M5.begin(); // Init M5Core. 初始化 M5Core
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M5.Power.begin(); // Init Power module. 初始化电源模块
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M5.Lcd.setTextColor(
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YELLOW); // Set the font color to yellow. 设置字体颜色为黄色
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M5.Lcd.setTextSize(2); // Set the font size. 设置字体大小为2
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M5.Lcd.setCursor(65, 10); // Move the cursor position to (65, 10).
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// 移动光标位置到 (65, 10) 处
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M5.Lcd.println(
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"Button example"); // The screen prints the formatted string and wraps
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// the line. 输出格式化字符串并换行
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M5.Lcd.setCursor(3, 35);
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M5.Lcd.println("Press button B for 700ms");
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M5.Lcd.println("to clear screen.");
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M5.Lcd.setTextColor(RED);
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}
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/* After the program in setup() runs, it runs the program in loop()
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The loop() function is an infinite loop in which the program runs repeatedly
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在setup()函数中的程序执行完后，会接着执行loop()函数中的程序
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loop()函数是一个死循环，其中的程序会不断的重复运行 */
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void loop() {
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M5.update(); // Read the press state of the key. 读取按键 A, B, C 的状态
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if (M5.BtnA.wasReleased() || M5.BtnA.pressedFor(1000, 200)) {
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M5.Lcd.print('A');
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} else if (M5.BtnB.wasReleased() || M5.BtnB.pressedFor(1000, 200)) {
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M5.Lcd.print('B');
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} else if (M5.BtnC.wasReleased() || M5.BtnC.pressedFor(1000, 200)) {
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M5.Lcd.print('C');
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} else if (M5.BtnB.wasReleasefor(700)) {
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M5.Lcd.clear(WHITE); // Clear the screen and set white to the
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// background color. 清空屏幕并将白色设置为底色
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M5.Lcd.setCursor(0, 0);
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}
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}
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