Files

52 lines
1.5 KiB
Arduino

/*
* SPDX-FileCopyrightText: 2025 M5Stack Technology CO LTD
*
* SPDX-License-Identifier: MIT
*/
/*
* @Hardwares: M5Core + Unit IR
* @Platform Version: Arduino M5Stack Board Manager v2.1.3
* @Dependent Library:
* M5Stack@^0.4.6: https://github.com/m5stack/M5Stack
*/
#include <M5Stack.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();
M5.Power.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);
}