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- /*
- *******************************************************************************
- *Copyright (c) 2022 by M5Stack
- * Equipped with M5Core sample source code
- * 配套 M5Core 示例源代码
- * Visit for more information: https://docs.m5stack.com/en/core/gray
- * 获取更多资料请访问: https://docs.m5stack.com/zh_CN/core/gray
- *
- * Describe: Power Management Example 电源管理
- * Date: 2021/7/21
- *******************************************************************************
- */
- #include <M5Stack.h>
- /* After M5Core is started or reset
- the program in the setUp () function will be run, and this part will only be run
- once. 在 M5Core
- 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。 */
- void setup() {
- M5.begin(); // Init M5Core. 初始化 M5Core
- M5.Power.begin(); // Init Power module. 初始化电源
- M5.Lcd.setTextSize(2); // Set the font size. 设置字体大小
- M5.Lcd.print(
- "After 5 seconds, the program entered light sleep\n\n"); // Screen
- // printingformatted
- // string.
- // 输出格式化字符串
- delay(5000);
- M5.Power.lightSleep(
- SLEEP_SEC(5)); // Sleep for 5 seconds, then continue the program.
- // 睡眠5秒,结束后程序继续往下进行
- M5.Lcd.print(
- "press ButtonA: shutdown, use power button to turn back on"); // Screen
- // printingformatted
- // string.
- // 输出格式化字符串
- }
- /* After the program in setup() runs, it runs the program in loop()
- The loop() function is an infinite loop in which the program runs repeatedly
- 在setup()函数中的程序执行完后，会接着执行loop()函数中的程序
- loop()函数是一个死循环，其中的程序会不断的重复运行 */
- void loop() {
- M5.update(); // Read the press state of the key. 读取按键 A, B, C 的状态
- if (M5.BtnA.wasPressed()) { // Check if the key is pressed. 如果按键A被按下
- M5.Power.powerOFF(); // Turn off power. 关闭电源
- }
- }
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