初始化提交

arduino-cli/libraries/M5Core2-master/examples/Unit/IR/IR.ino

@@ -0,0 +1,49 @@
+/*
+*******************************************************************************
+* Copyright (c) 2021 by M5Stack
+*                  Equipped with M5Core2 sample source code
+*                          配套  M5Core2 示例源代码
+* Visit the website for more information: https://docs.m5stack.com/en/unit/ir
+* 获取更多资料请访问: https://docs.m5stack.com/zh_CN/unit/ir
+*
+* describe: ir.
+* date: 2021/8/27
+*******************************************************************************
+  Please connect to Port B,Use IR Unit to receive and test infrared receiving and transmitting
+  请连接端口B,使用红外单元接收和测试红外接收和发射.
+*/
+
+#include <M5Core2.h>
+
+int ir_recv_pin = 36; // set the input pin.  设置引脚
+int ir_send_pin = 26;
+
+int last_recv_value = 0;
+int cur_recv_value = 0;
+
+void setup() {
+  M5.begin();
+  pinMode(ir_recv_pin, INPUT);
+  pinMode(ir_send_pin, OUTPUT);
+  //send infrared light.  发送红外线
+  //now, you can see the infrared light through mobile phone camera.  现在，你可以通过手机摄像头看到红外光
+  digitalWrite(ir_send_pin, 1);
+  M5.Lcd.setTextSize(2);
+  M5.Lcd.setCursor(0, 0);
+  M5.Lcd.print("Test for IR receiver: ");
+}
+
+void loop() {
+  //now, once you press the button on a remote controller to send infrared light.  现在，一旦你按下遥控器上的按钮发送红外线
+  //the screen will display "detected!"  屏幕将显示“检测到!”
+  cur_recv_value = digitalRead(ir_recv_pin);
+  if(last_recv_value != cur_recv_value){
+    M5.Lcd.setCursor(0, 25);
+    M5.Lcd.fillRect(0, 25, 150, 25, BLACK);
+    if(cur_recv_value == 0){  //0: detected 1: not detected,  0检测到,1没有检测到
+      M5.Lcd.print("detected!");
+    }
+    last_recv_value = cur_recv_value;
+  }
+  Serial.println(cur_recv_value);
+}