LIGHT Example

Author: Tinyu-Zhao

examples/Unit/LIGHT/LIGHT.ino

@@ -7,31 +7,37 @@
 * 获取更多资料请访问：https://docs.m5stack.com/zh_CN/core/gray
 *
 * describe: Light.  环境光传感器
-* date：2021/8/18
+* date：2022/2/13
 *******************************************************************************
-  Please connect to Port B,Use the Light Unit screen to display the current ambient lighting value
-  请连接端口 B ,使用Light Unit 屏幕显示当前环境光照值。
+  Please connect to Port B,Use the Light Unit screen to display the current
+ambient lighting value 请连接端口 B ,使用Light Unit 屏幕显示当前环境光照值。
 */
 
 #include <M5Stack.h>
 
+TFT_eSprite img = TFT_eSprite(&M5.Lcd);
+
 void setup() {
-  M5.begin(); //Init M5Stack.  初始化M5Stack
-  M5.Power.begin(); //Init power  初始化电源模块
-  M5.lcd.setTextSize(2);  //Set the text size to 2.  设置文字大小为2
-  M5.Lcd.printf("UNIT_LIGHT EXAMPLE\n\n");
-  M5.Lcd.println("Analog:");
-  M5.Lcd.println("Digital:");
-  pinMode(26, INPUT); //Set pin 26 as input mode.  设置引脚26为输入模式
+    M5.begin();        // Init M5Stack.  初始化M5Stack
+    M5.Power.begin();  // Init power  初始化电源模块
+    img.setColorDepth(8);
+    img.createSprite(320, 240);  //创建一块320x240的画布
+    img.setTextSize(2);
+    pinMode(26, INPUT);  // Set pin 26 as input mode.  设置引脚26为输入模式
 }
 
 void loop() {
-  static uint16_t digitalRead_value = 0, analogRead_value = 0;
-  analogRead_value = analogRead(36);  //Store the analog quantity read from pin 36.  将36号引脚读取到的模拟量存储
-  digitalRead_value = digitalRead(26);  //Store the number read from pin 26.  将26号引脚读取到的数字量存储
-  M5.Lcd.setCursor(90, 30);
-  M5.Lcd.printf("%d\n", analogRead_value);
-  M5.Lcd.setCursor(90, 50);
-  M5.Lcd.printf("%d\n", digitalRead_value);
-  delay(10);
+    static uint16_t digitalRead_value = 0, analogRead_value = 0;
+    analogRead_value = analogRead(36);  // Store the analog quantity read from
+                                        // pin 36. 将36号引脚读取到的模拟量存储
+    digitalRead_value = digitalRead(
+        26);  // Store the number read from pin 26. 将26号引脚读取到的数字量存储
+    img.fillRect(0, 0, 320, 240, 0x00);
+    img.drawString("UNIT_LIGHT EXAMPLE", 40, 0);
+    img.setCursor(90, 30);
+    img.printf("Analog:%d\n", analogRead_value);
+    img.setCursor(90, 50);
+    img.printf("Digital:%d\n", digitalRead_value);
+    img.pushSprite(0, 0);  //把画布推送到屏幕(0,0)处
+    delay(10);
 }