TelegramBot.ino 3.56 KB
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/*******************************************************************
 *  How to use basic dunctiond of a Telegrambot
 *  A completely changed example based on a sketch from  
 *      Vadim Sinitski
 *******************************************************************/
#include <ESP8266WiFi.h>
#include <WiFiClientSecure.h>
#include <UniversalTelegramBot.h>

// Initialize Wifi connection to the router
char ssid[] = "NETGEAR1";     // your network SSID (name)
char password[] = "SECRET"; // your network key

// Initialize Telegram BOT
#define BOTtoken "XXXXXXXXX:YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY"  // your Bot Token (Get from Botfather)

WiFiClientSecure client;
UniversalTelegramBot bot(BOTtoken, client);

int Bot_mtbs = 1000; //mean time between scan messages
long Bot_lasttime;   //last time messages' scan has been done
bool Start = false;

const int ledPin = 2;
int ledStatus = 0;

String test_photo_url = "https://img.srgcdn.com/e/w:750/cjh2NWp4S0FiNWxJQVNsQ3JUU28uanBn.jpg"; // can insert any picture URL

void handleNewMessages(int numNewMessages) {
  Serial.println("handleNewMessages");
  Serial.println(String(numNewMessages));


  for (int i = 0; i < numNewMessages; i++) {
    String chat_id = String(bot.messages[i].chat_id);
    String text = bot.messages[i].text;

    String from_name = bot.messages[i].from_name;
    if (from_name == "") from_name = "Guest";

    if (text == "/get_photo") {
      bot.sendPhoto(chat_id, test_photo_url, "Who");
    }

    //-------------
    //add more commands here
    //-------------
    
    if (text == "/ledon") {
      digitalWrite(ledPin, LOW);   // turn the LED on (HIGH is the voltage level)
      ledStatus = 1;
      bot.sendMessage(chat_id, "Led is ON", "");
    }

    if (text == "/ledoff") {
      ledStatus = 0;
      digitalWrite(ledPin, HIGH);    // turn the LED off (LOW is the voltage level)
      bot.sendMessage(chat_id, "Led is OFF", "");
    }

    if (text == "/status") {
      if (ledStatus) {
        bot.sendMessage(chat_id, "Led is ON", "");
      } else {
        bot.sendMessage(chat_id, "Led is OFF", "");
      }
    }
    

    if (text == "/start") {
      String welcome = "Welcome to Telegram Bot, " + from_name + ".\n";
      welcome += "This will show several properies.\n\n";
      welcome += "/get_photo : getting photo\n";
      welcome += "/ledon : to switch the Led ON\n";
      welcome += "/ledoff : to switch the Led OFF\n";
      welcome += "/status : Returns current status of LED\n";


      bot.sendMessage(chat_id, welcome, "");
    }
  }
}

void setup() {
  Serial.begin(115200);

  // Set WiFi to station mode and disconnect from an AP if it was Previously connected
  WiFi.mode(WIFI_STA);
  WiFi.disconnect();
  delay(100);

  // attempt to connect to Wifi network:
  Serial.print("Connecting Wifi: ");
  Serial.println(ssid);
  WiFi.begin(ssid, password);

  while (WiFi.status() != WL_CONNECTED) {
    Serial.print(".");
    delay(500);
  }

  Serial.println("");
  Serial.println("WiFi connected");
  Serial.print("IP address: ");
  Serial.println(WiFi.localIP());
  client.setInsecure(); // if yr core cannot handle secure connections

  pinMode(ledPin, OUTPUT); // initialize digital ledPin as an output.
  delay(10);
  digitalWrite(ledPin, HIGH); // initialize pin as off

}

void loop() {
  if (millis() > Bot_lasttime + Bot_mtbs)  {
    int numNewMessages = bot.getUpdates(bot.last_message_received + 1);

    while (numNewMessages) {
      Serial.println("got response");
      handleNewMessages(numNewMessages);
      numNewMessages = bot.getUpdates(bot.last_message_received + 1);
    }

    Bot_lasttime = millis();
  }
}