新建开关程序

IR_WIFI.ino

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+#include <Arduino.h>
+#include <IRremoteESP8266.h>
+#include <IRsend.h>
+#include <IRrecv.h>
+#include <IRutils.h>
+#include <WiFiUdp.h>
+#include <ESP8266WiFi.h>
+#include <ESP8266HTTPClient.h>    
+#include <DNSServer.h>
+#include <ESP8266WebServer.h>
+#include <WiFiManager.h> 
+#define URL "http://www.baidu.com"
+
+String ssid="";
+String password="";
+
+const uint16_t kIrLed = 4;  // ESP8266 GPIO pin to use. Recommended: 4 (D2).
+const uint16_t kRecvPin = 14;
+
+IRsend irsend(kIrLed); 
+IRrecv irrecv(kRecvPin);
+
+decode_results results;
+
+WiFiUDP udp;
+unsigned int localUdpPort = 9; //本地端口号
+IPAddress remote_IP(255, 255, 255, 255);// 自定义远程监听 IP 地址
+
+
+
+void UDP_IR();
+void IR_UDP();
+void httpClientRequest();
+
+const uint16_t tx = 1;  
+const uint16_t rx = 3;
+  
+void setup() {
+  WiFiManager wifiManager;
+
+//短接 TX RX即可清除WIFI账号密码，然后需要重新配置
+  pinMode(tx, OUTPUT);
+  digitalWrite(tx, LOW);   
+  pinMode(rx, INPUT_PULLUP);
+  if (digitalRead(rx) == LOW) 
+  {
+    delay(100);
+    if (digitalRead(rx) == LOW) 
+       wifiManager.resetSettings();
+  }
+
+  Serial.begin(115200);
+  
+  // 建立WiFiManager对象
+  // 自动连接WiFi。以下语句的参数是连接ESP8266时的WiFi名称
+  wifiManager.autoConnect("IR_WIFI");
+
+  Serial.println("\nWiFi connect succcess!");
+  Serial.print("IP address: ");
+  Serial.println(WiFi.localIP());     //打印本设备IP
+  Serial.print("gateway address: ");
+  Serial.println(WiFi.gatewayIP());   //打印网关IP
+  httpClientRequest();      
+
+  udp.begin(9);                      // 指定本地端口号
+  Serial.println("UDP started");    
+  
+  irsend.begin();                   // 启动IR发送
+  irrecv.enableIRIn();              // 启动IR接收
+
+}
+
+
+void loop() {
+  UDP_IR();
+  IR_UDP();
+}
+
+// 发送HTTP请求并且将服务器响应通过串口输出
+void httpClientRequest(){
+  
+  WiFiClient client; //新添加
+ 
+  //重点1 创建 HTTPClient 对象
+  HTTPClient httpClient;
+ 
+  //重点2 通过begin函数配置请求地址。此处也可以不使用端口号和PATH而单纯的
+  httpClient.begin(client,URL); 
+  Serial.print("URL: "); Serial.println(URL);
+ 
+  //重点3 通过GET函数启动连接并发送HTTP请求
+  int httpCode = httpClient.GET();
+  Serial.print("Send GET request to URL: ");
+  Serial.println(URL);
+  
+  //重点4. 如果服务器响应HTTP_CODE_OK(200)则从服务器获取响应体信息并通过串口输出
+  //如果服务器不响应HTTP_CODE_OK(200)则将服务器响应状态码通过串口输出
+  if (httpCode == HTTP_CODE_OK) {
+    // 使用getString函数获取服务器响应体内容
+    String responsePayload = httpClient.getString();
+    Serial.println("Server Response Payload: ");
+    Serial.println(responsePayload);
+  } else {
+    Serial.println("Server Respose Code：");
+    Serial.println(httpCode);
+  }
+ 
+  //重点5. 关闭ESP8266与服务器连接
+  httpClient.end();
+}
+
+void IR_UDP(){
+    if (irrecv.decode(&results)) {
+    // print() & println() can't handle printing long longs. (uint64_t)
+    serialPrintUint64(results.value, HEX);
+    uint8_t *p=(uint8_t *)&results.value;
+    udp.beginPacket(remote_IP, localUdpPort); //准备发送数据
+    udp.write("IR");
+    udp.write(*p);
+    udp.write(*(p+1));
+    udp.write(*(p+2));
+    udp.write(*(p+3));
+    udp.write(*(p+4));
+    udp.write(*(p+5));
+    udp.write(*(p+6));
+    udp.write(*(p+7));    
+    udp.endPacket();
+  
+    irrecv.resume();  // Receive the next value
+  }
+}
+  
+
+void UDP_IR() {
+  // 检查是否有数据包到达
+  int packetSize = udp.parsePacket();
+  if (packetSize) {
+    // 保证数据包长度不超过缓冲区
+    if(packetSize > 255) {
+      packetSize = 255;
+    }
+
+    // 读取数据并打印
+    uint8_t packetBuffer[11]={0};
+    int len = udp.read(packetBuffer, packetSize);
+//    if (len > 0) {
+//      packetBuffer[len] = '\0';
+//      Serial.println(packetBuffer);
+//    }   
+    uint64_t nec=0;
+    uint8_t *p1=(uint8_t *)&packetBuffer[0];
+    uint8_t *p2=(uint8_t *)&nec;
+    if(*p1==0x49 && *(p1+1)==0x52)
+    {
+        Serial.println("NEC");
+        if(*(p1+5) ==0x00)    //按键码
+        {
+          *p2    =*(p1+2);
+          *(p2+1)=*(p1+3);
+          *(p2+2)=*(p1+4);
+          *(p2+3)=*(p1+5);
+  
+        }
+        else if(*(p1+5)==0xff)
+          nec=0xFFFFFFFFUL;
+    }
+    irrecv.pause();  // Pause collection of received IR data.
+    //0x00FF12EDUL : 用户码（一般为0x00）+用户反码（一般为0xFF）+数据码+数据反码 ,注意大小端模式，会造成数据不对应，实际内容是一样的。
+    irsend.sendNEC(nec);
+    irrecv.resume();  // Receive the next value
+ }
+}

platformio.ini

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+[platformio]
+src_dir = .
+
+[env]
+lib_extra_dirs = ../../
+lib_ldf_mode = deep+
+lib_ignore = examples
+framework = arduino
+monitor_speed = 115200
+build_flags = ; -D_IR_LOCALE_=en-AU
+
+[env:nodemcuv2]
+platform = espressif8266
+board = nodemcuv2
+
+[env:esp32dev]
+platform = espressif32
+board = esp32dev

readme.txt

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+上电 ，连接WIFI“IR_WIFI”，发送端和接收端都要先配网。两边连上同一个WIFI，一边接收到红外遥控器信号会通过UDP发送，另一边接收到UDP数据会通过红外线发送。