update button example

Author: Gitshaoxiang

examples/Basic/button/button.ino

@@ -1,13 +1,12 @@
-/**
- * @file button.ino
- * @author SeanKwok ([email protected])
- * @brief M5StickCPlus2 Button Test
- * @version 0.1
- * @date 2023-12-09
- *
+/*
+ * SPDX-FileCopyrightText: 2025 M5Stack Technology CO LTD
  *
+ * SPDX-License-Identifier: MIT
+ */
+
+/**
  * @Hardwares: M5StickCPlus2
- * @Platform Version: Arduino M5Stack Board Manager v2.0.9
+ * @Platform Version: Arduino M5Stack Board Manager v2.1.3
  * @Dependent Library:
  * M5GFX: https://github.com/m5stack/M5GFX
  * M5Unified: https://github.com/m5stack/M5Unified
@@ -16,46 +15,49 @@
 
 #include "M5StickCPlus2.h"
 
-void setup() {
+void setup()
+{
     auto cfg = M5.config();
     StickCP2.begin(cfg);
     StickCP2.Display.setRotation(1);
     StickCP2.Display.setTextColor(GREEN);
     StickCP2.Display.setTextDatum(middle_center);
     StickCP2.Display.setTextFont(&fonts::Orbitron_Light_24);
     StickCP2.Display.setTextSize(1);
-    StickCP2.Display.drawString("Button Test", StickCP2.Display.width() / 2,
-                                StickCP2.Display.height() / 2);
+    StickCP2.Display.drawString("Button Test", StickCP2.Display.width() / 2, StickCP2.Display.height() / 2);
 }
 
-void loop() {
+void loop()
+{
     StickCP2.update();
     if (StickCP2.BtnA.wasPressed()) {
         StickCP2.Speaker.tone(8000, 20);
         StickCP2.Display.clear();
-        StickCP2.Display.drawString("A Btn Pressed",
-                                    StickCP2.Display.width() / 2,
-                                    StickCP2.Display.height() / 2);
+        StickCP2.Display.drawString("A Btn Pressed", StickCP2.Display.width() / 2, StickCP2.Display.height() / 2);
     }
     if (StickCP2.BtnA.wasReleased()) {
         StickCP2.Speaker.tone(8000, 20);
         StickCP2.Display.clear();
-        StickCP2.Display.drawString("A Btn Released",
-                                    StickCP2.Display.width() / 2,
-                                    StickCP2.Display.height() / 2);
+        StickCP2.Display.drawString("A Btn Released", StickCP2.Display.width() / 2, StickCP2.Display.height() / 2);
+    }
+    if (StickCP2.BtnB.wasPressed()) {
+        StickCP2.Speaker.tone(8000, 20);
+        StickCP2.Display.clear();
+        StickCP2.Display.drawString("B Btn Pressed", StickCP2.Display.width() / 2, StickCP2.Display.height() / 2);
+    }
+    if (StickCP2.BtnB.wasReleased()) {
+        StickCP2.Speaker.tone(8000, 20);
+        StickCP2.Display.clear();
+        StickCP2.Display.drawString("B Btn Released", StickCP2.Display.width() / 2, StickCP2.Display.height() / 2);
     }
     if (StickCP2.BtnB.wasPressed()) {
         StickCP2.Speaker.tone(8000, 20);
         StickCP2.Display.clear();
-        StickCP2.Display.drawString("B Btn Pressed",
-                                    StickCP2.Display.width() / 2,
-                                    StickCP2.Display.height() / 2);
+        StickCP2.Display.drawString("PWR Btn Pressed", StickCP2.Display.width() / 2, StickCP2.Display.height() / 2);
     }
     if (StickCP2.BtnB.wasReleased()) {
         StickCP2.Speaker.tone(8000, 20);
         StickCP2.Display.clear();
-        StickCP2.Display.drawString("B Btn Released",
-                                    StickCP2.Display.width() / 2,
-                                    StickCP2.Display.height() / 2);
+        StickCP2.Display.drawString("PWR Btn Released", StickCP2.Display.width() / 2, StickCP2.Display.height() / 2);
     }
 }

src/M5StickCPlus2.h

@@ -23,6 +23,7 @@ class M5StickCPlus2 {
     Mic_Class &Mic         = M5.Mic;
     Button_Class &BtnA     = M5.getButton(0);
     Button_Class &BtnB     = M5.getButton(1);
+    Button_Class &BtnPWR   = M5.getButton(4);
 
     /// for internal I2C device
     I2C_Class &In_I2C = m5::In_I2C;