Bulsatcom IR WiFi Bridge with ESP8266 (2019)

bulsatcom.ino

#include <ESP8266WiFi.h>
#include <ESP8266WebServer.h>
#include <ESP8266mDNS.h>
#include <IRremoteESP8266.h>
#include <IRsend.h>
#include <WiFiClient.h>
MDNSResponder mdns;

IRsend irsend(14);
ESP8266WebServer server(80); 

//IPAddress ip(192, 168, 8, 250);
//IPAddress gateway(192, 168, 8, 1);
//IPAddress subnet(255, 255, 255, 0);

const char* ssid = "HUAWEI-B310-XXXX";
const char* password = "XXXXXXXXXXX";
const char* mDNSName = "ESP_2BC290";

const uint32_t btnPwr = 0x20250AF;
const uint32_t btn1 = 0x202807F;
const uint32_t btn2 = 0x20240BF;
const uint32_t btn3 = 0x202C03F;
const uint32_t btn4 = 0x20220DF;
const uint32_t btn5 = 0x202A05F;
const uint32_t btn6 = 0x202609F;
const uint32_t btn7 = 0x202E01F;
const uint32_t btn8 = 0x20210EF;
const uint32_t btn9 = 0x202906F;
const uint32_t btn0 = 0x20200FF;
const uint32_t volUp = 0x202A857;
const uint32_t volDown = 0x20238C7;
const uint32_t chUp = 0x202F807;
const uint32_t chDown = 0x2027887;
const uint32_t btnMute = 0x20230CF;
const uint32_t btnMenu = 0x202F00F;
const uint32_t btnUp = 0x202D02F;
const uint32_t btnDown = 0x202708F;
const uint32_t btnLeft = 0x20208F7;
const uint32_t btnRight = 0x2028877;
const uint32_t btnOK = 0x202B04F;

void led() {
  digitalWrite(16, HIGH);
  delay(50);
  digitalWrite(16, LOW);
  delay(50);
  digitalWrite(16, HIGH);
  delay(50);
  digitalWrite(16, LOW);
  delay(50);
  digitalWrite(16, HIGH);
}

// server.arg("code")

bool processCommand(String code) {
  if(code == "btn") {
    return false;
  } else {
    if(code == "btnPwr") {
      irsend.sendNEC(btnPwr, 32);
      return true;
    } else if(code == "btn1") {
      irsend.sendNEC(btn1, 32);
      return true;
    } else if(code == "btn2") {
      irsend.sendNEC(btn2, 32);
      return true;
    } else if(code == "btn3") {
      irsend.sendNEC(btn3, 32);
      return true;
    } else if(code == "btn4") {
      irsend.sendNEC(btn4, 32);
      return true;
    } else if(code == "btn5") {
      irsend.sendNEC(btn5, 32);
      return true;
    } else if(code == "btn6") {
      irsend.sendNEC(btn6, 32);
      return true;
    } else if(code == "btn7") {
      irsend.sendNEC(btn7, 32);
      return true;
    } else if(code == "btn8") {
      irsend.sendNEC(btn8, 32);
      return true;
    } else if(code == "btn9") {
      irsend.sendNEC(btn9, 32);
      return true;
    } else if(code == "btn0") {
      irsend.sendNEC(btn0, 32);
      return true;
    } else if(code == "volUp") {
      irsend.sendNEC(volUp, 32);
      return true;
    } else if(code == "volDown") {
      irsend.sendNEC(volDown, 32);
      return true;
    } else if(code == "chUp") {
      irsend.sendNEC(chUp, 32);
      return true;
    } else if(code == "chDown") {
      irsend.sendNEC(chDown, 32);
      return true;
    } else if(code == "btnMute") {
      irsend.sendNEC(btnMute, 32);
      return true;
    } else if(code == "btnDown") {
      irsend.sendNEC(btnDown, 32);
      return true;
    } else if(code == "btnUp") {
      irsend.sendNEC(btnUp, 32);
      return true;
    } else if(code == "btnLeft") {
      irsend.sendNEC(btnLeft, 32);
      return true;
    } else if(code == "btnRight") {
      irsend.sendNEC(btnRight, 32);
      return true;
    } else if(code == "btnOK") {
      irsend.sendNEC(btnOK, 32);
      return true;
    } else if(code == "btnMenu") {
      irsend.sendNEC(btnMenu, 32);
      return true;
    }
    return false;
  }
  return false;
}

String getValue(String data, char separator, int index)
{
    int found = 0;
    int strIndex[] = { 0, -1 };
    int maxIndex = data.length() - 1;

    for (int i = 0; i <= maxIndex && found <= index; i++) {
        if (data.charAt(i) == separator || i == maxIndex) {
            found++;
            strIndex[0] = strIndex[1] + 1;
            strIndex[1] = (i == maxIndex) ? i+1 : i;
        }
    }
    return found > index ? data.substring(strIndex[0], strIndex[1]) : "";
}

int MAX_SUBSTRINGS = 5;

bool processCommandMulti(String multicode) {
    Serial.print("Multicode is: ");
    Serial.print(multicode);
    Serial.println("");
    for (int i = 0; i < MAX_SUBSTRINGS; i++) {
        String code = getValue(multicode, ',', i);
        Serial.println(code);
        if (code != "") {
            if(processCommand(code)) {
              Serial.print("Successfully sent command: ");
              Serial.print(code);
              Serial.println("");
            } else {
              Serial.println("Error sending command. ");
              Serial.print("Tried to send command: ");
              Serial.print(code);
              Serial.println("");
            }
            led();
        }
    }
    return true;
}

void handleRequest() { 
  String message = "";
  String code = server.arg("code");
  String multicode = server.arg("multicode");
  if(multicode != "") {
    if(processCommandMulti(multicode)) {
      message = "OK_MULTI";
    } else {
      message = "INVALID_PARAMETER_MULTICODE";
    }
  } else {
    if(processCommand(code)) {
      Serial.print("Successfully sent command: ");
      Serial.print(code);
      Serial.println("");
      message = "OK";
    } else {
      Serial.println("Error sending command. ");
      Serial.print("Tried to send command: ");
      Serial.print(code);
      Serial.println("");
      message = "INVALID_PARAMETER_CODE";
    }
  }
  server.sendHeader("Access-Control-Allow-Origin", "*");
  server.send(200, "text/plain", message);
  led();
}

void setup() {
  pinMode(16, OUTPUT);
  digitalWrite(16, HIGH);
  Serial.begin(115200);
  delay(100);
  irsend.begin();
  Serial.println("-------------------------------");
  Serial.println("ZHD 210 DVB-S2 Single IR Bridge");
  Serial.println("-------------------------------");
  Serial.println();
  Serial.print("Connecting to ");
  Serial.println(ssid);
  WiFi.mode(WIFI_STA);
  WiFi.begin(ssid, password);
  //WiFi.config(ip, gateway, subnet);
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("");
  Serial.println("WiFi connected");  
  Serial.println("IP address: ");
  Serial.println(WiFi.localIP());
  Serial.println("");
  if(mdns.begin(mDNSName)) {
      Serial.println("MDNS responder started");
    String identifyMessage = "Identified as ";
    identifyMessage += mDNSName;
      Serial.println(identifyMessage);
  } else {
      Serial.println("Couldn't start MDNS responder!");
  }
  server.on("/", handleRequest);
  server.onNotFound([](){
      server.sendHeader("Access-Control-Allow-Origin", "*");
      server.send(404, "text/plain", "PAGE_NOT_FOUND");
      led();
  });
  server.begin();
  Serial.println("Server started on port 80");
}

void loop() {
  server.handleClient();
}