Update SpiritLevel.ino.

Fix M5.dis.displaybuff() last line does not display the correct color.
Example format.

Author: TinyuZhao

examples/Advanced/WIFI/BasicHttpClient/BasicHttpClient.ino

@@ -20,7 +20,7 @@ WiFiMulti wifiMulti;
 HTTPClient http;
 
 void setup() {
-    M5.begin();                            // Init M5Atom.  初始化 M5Atom
+    M5.begin();  // Init M5Atom.  初始化 M5Atom
     wifiMulti.addAP("YOUR-WIFINAME",
                     "YOUR_WIFIPASSWORD");  // Storage wifi configuration
                                            // information.  存储wifi配置信息

examples/Basics/FactoryTest/ATOM_LITE/ATOM_LITE.ino

@@ -8,43 +8,41 @@ Adafruit_NeoPixel pixels = Adafruit_NeoPixel(
     NUMPIXELS, PIN,
     NEO_GRB + NEO_KHZ800);  // set number of LEDs, pin number, LED type.
                             // 设置灯的数量,控制引脚编号,灯灯类型
-                         
+
 void setup() {
     M5.begin();      // Init M5Atom.  初始化 M5Atom
     pixels.begin();  // Init the NeoPixel library.  初始化NeoPixel库
-
 }
 
 void loop() {
     rainbow(20);
 }
 
-
 void rainbow(uint8_t wait) {
-  uint16_t i, j;
-
-  for(j=0; j<256; j++) {
-    for(i=0; i<pixels.numPixels(); i++) {
-      pixels.setPixelColor(i, Wheel((i+j) & 255));
-      while(M5.Btn.read()== 1);
+    uint16_t i, j;
+
+    for (j = 0; j < 256; j++) {
+        for (i = 0; i < pixels.numPixels(); i++) {
+            pixels.setPixelColor(i, Wheel((i + j) & 255));
+            while (M5.Btn.read() == 1)
+                ;
+        }
+        pixels.show();
+        delay(wait);
     }
-    pixels.show();
-    delay(wait);
-  }
 }
 
-
 // Input a value 0 to 255 to get a color value.
 // The colours are a transition r - g - b - back to r.
 uint32_t Wheel(byte WheelPos) {
-  WheelPos = 255 - WheelPos;
-  if(WheelPos < 85) {
-    return pixels.Color(255 - WheelPos * 3, 0, WheelPos * 3);
-  }
-  if(WheelPos < 170) {
-    WheelPos -= 85;
-    return pixels.Color(0, WheelPos * 3, 255 - WheelPos * 3);
-  }
-  WheelPos -= 170;
-  return pixels.Color(WheelPos * 3, 255 - WheelPos * 3, 0);
+    WheelPos = 255 - WheelPos;
+    if (WheelPos < 85) {
+        return pixels.Color(255 - WheelPos * 3, 0, WheelPos * 3);
+    }
+    if (WheelPos < 170) {
+        WheelPos -= 85;
+        return pixels.Color(0, WheelPos * 3, 255 - WheelPos * 3);
+    }
+    WheelPos -= 170;
+    return pixels.Color(WheelPos * 3, 255 - WheelPos * 3, 0);
 }

examples/Basics/SpiritLevel/SpiritLevel.ino

@@ -7,8 +7,11 @@
 * 获取更多资料请访问：https://docs.m5stack.com/zh_CN/core/atom_matrix
 *
 * Describe: SpiritLevel
-* Date: 2021/7/21
+* Date: 2023/8/5
 *******************************************************************************
+  Shake the M5Atom and the matrix light will change with the position, you can
+  set a new reference point by pressing the button.
+  晃动M5Atom,矩阵灯将会随着位置的变化而变化,你可以通过按下按键来设定新的基准点位
 */
 #include "M5Atom.h"
 
@@ -39,6 +42,7 @@ 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();
     static float offX = 0., offY = 0.;
     static float smoX = 0., smoY = 0.;
 
@@ -53,8 +57,8 @@ void loop() {
     smoY = ALPHA * accY + BETA * smoY;
 
     if (M5.Btn.wasPressed()) {  // Check if the key is pressed. 判断按键是否按下
-        offX = smoX;
-        offY = smoY;
+        offX = smoX;  // Set the current position as the reference point.
+        offY = smoY;  // 设定当前位置为基准点位
     }
 
     float xc = (offX - smoX) * SENSITIVITY + 2.0;

src/utility/LED_DisPlay.h

@@ -21,7 +21,7 @@ class LED_DisPlay : public Task {
     int32_t _am_count = -1;
     uint8_t *_am_buffptr;
     uint16_t _yRows    = 5;
-    uint16_t _xColumns = 6;
+    uint16_t _xColumns = 5;
 
     SemaphoreHandle_t _xSemaphore = NULL;