Restoring Backup

main.ino

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+//------------DEFINITIONS------------
+// Libaries
+#ifdef ESP32
+  #include <WiFi.h>
+#else
+  #include <ESP8266WiFi.h>
+#endif
+#include <WiFiClientSecure.h>
+#include <UniversalTelegramBot.h>   // Universal Telegram Bot Library written by Brian Lough: https://github.com/witnessmenow/Universal-Arduino-Telegram-Bot
+#include <ArduinoJson.h>
+
+// Replace with your network credentials
+//const char* ssid = "S10";
+//const char* password = "aUjK67$2";
+const char* ssid = "SchneckenAufPasta";
+const char* password = "hf8CnyjPwrhc";
+
+
+// Initialize Telegram BOT
+#define BOTtoken "5094918649:AAFPjufh6NMhPtwWeMwRAZMygFaDyMoRfXk"  // your Bot Token (Get from Botfather)
+#ifdef ESP8266
+  X509List cert(TELEGRAM_CERTIFICATE_ROOT);
+#endif
+WiFiClientSecure client;
+UniversalTelegramBot bot(BOTtoken, client);
+
+
+// Variables
+const int powerPin = D1;
+const int powerStateReadPin = A0;
+bool powerState = HIGH; //LOW = of
+int t1, t2, t3, t4, t5, avg;
+uint8_t newMACAddress[] = {0x32, 0xAE, 0xA4, 0x07, 0x0D, 0x66};
+
+
+// Tweaks & Settings
+int botRequestDelay = 5000;
+const int powerStateThreshhold = 470; //min 0=0V, max 1023=3.3V, 470=1.5V
+const int maxCycles = 40; //c.a. 1.5s per cycle
+
+
+
+
+//------------FUNCTIONS------------
+// Check current power-state
+void checkPowerState() {
+  // Do multiple measurements to catch blinking led
+  t1 = analogRead(powerStateReadPin);
+  //delay(120);
+  t2 = analogRead(powerStateReadPin);
+  //delay(150);
+  t3 = analogRead(powerStateReadPin);
+  //delay(180);
+  t4 = analogRead(powerStateReadPin);
+  //delay(50);
+  t5 = analogRead(powerStateReadPin);
+  avg = (t1+t2+t3+t4+t5)/5;
+
+  // Interprete Result
+  if (avg > powerStateThreshhold) {
+    powerState = HIGH;
+  }
+  else {
+    powerState = LOW;
+  }
+}
+
+// Switch power state
+void switchPowerState(bool desiredPowerState) {
+  // Simulate press of power-button
+  digitalWrite(powerPin, LOW);
+  delay(200);
+  digitalWrite(powerPin, HIGH);
+
+  // Give the server time to boot
+  // My server does a double or tripple boot sometimes, so in this case, i wait for 2min
+  delay(60000);
+
+  // Check PowerState
+  int i = 0;
+  Serial.print("Waiting for power change");
+  while (powerState != desiredPowerState)
+  {
+    checkPowerState();
+    i = i+1;
+    delay(1000);
+    Serial.print(".");
+    if (i == 36); //6min
+    {
+      break;  
+    } 
+  }
+  Serial.println("[OK]");
+}
+
+// Handle new messages
+void handleNewMessages(int numNewMessages) {
+  Serial.println("handleNewMessages");
+  Serial.println(String(numNewMessages));
+
+  // Fetch Message details
+  for (int i=0; i<numNewMessages; i++) {
+    // Chat id of the requester
+    String chat_id = String(bot.messages[i].chat_id);
+    
+    // Print the received message
+    String text = bot.messages[i].text;
+    Serial.println(text);
+
+    // Handling Start/Help
+    String from_name = bot.messages[i].from_name;
+    if (text == "/start" || text == "/help") {
+      String welcome = "Welcome, " + from_name + ".\n";
+      welcome += "Use the following commands to control your outputs.\n\n";
+      welcome += "/state to request current server state \n";
+      welcome += "/on to boot server \n";  
+      welcome += "/off to shutdown server \n";
+      bot.sendMessage(chat_id, welcome, "");
+    }
+    // Handling turn-on
+    else if (text == "/on" and powerState == LOW) {
+      bot.sendMessage(chat_id, "Booting Server..." "");
+      switchPowerState(HIGH);
+      if (powerState = HIGH) {
+        bot.sendMessage(chat_id, "Bootup succeded" "");
+      }
+      else
+      {
+        bot.sendMessage(chat_id, "[WARNING]: Bootup failed" "");
+      }
+    }
+    // Handling turn-off
+    else if (text == "/off" and powerState == HIGH) {
+      bot.sendMessage(chat_id, "Shutting down Server..." "");
+      switchPowerState(LOW);
+      if (powerState = LOW) {
+        bot.sendMessage(chat_id, "Shutdown succeded" "");
+      }
+      else
+      {
+        bot.sendMessage(chat_id, "[WARNING]: Shutdown failed" "");
+      }
+    }
+    // Handling unnessassary turn-on
+    else if (text == "/on" and powerState == HIGH) {
+      bot.sendMessage(chat_id, "Server is already online" "");
+    }
+    // Handling unnessassary turn-off
+    else if (text == "/off" and powerState == LOW) {
+      bot.sendMessage(chat_id, "Server is already offline" "");
+    }
+    // Waiting for change in power-state  
+    else if (text == "/state") {
+      checkPowerState();
+      if (powerState == HIGH) {
+        bot.sendMessage(chat_id, "Server is online" "");
+      }
+      else {
+        bot.sendMessage(chat_id, "Server is offline" "");
+      }
+    }
+  }
+}
+
+
+
+
+//------------SETUP------------
+void setup() {
+  Serial.begin(9600);
+
+  // Telegram Certification
+  #ifdef ESP8266
+    configTime(0, 0, "pool.ntp.org");      // get UTC time via NTP
+    client.setTrustAnchors(&cert);         // Add root certificate for api.telegram.org
+  #endif
+
+  // GPIO-Initialisation
+  pinMode(powerPin, OUTPUT);
+  pinMode(LED_BUILTIN, OUTPUT);
+  digitalWrite(powerPin, powerState);
+
+  // Changing Mac-Address
+  WiFi.mode(WIFI_STA);
+  WiFi.begin(ssid, password);
+  Serial.print("Old MacAdress: ");
+  Serial.println(WiFi.macAddress());
+  wifi_set_macaddr(0, &newMACAddress[0]);
+  Serial.print("New MacAdress: ");
+  Serial.println(WiFi.macAddress());
+  
+  // Connect to WiFi
+  #ifdef ESP32
+    client.setCACert(TELEGRAM_CERTIFICATE_ROOT); // Add root certificate for api.telegram.org
+  #endif
+  while (WiFi.status() != WL_CONNECTED) {
+    delay(1000);
+    Serial.println("Connecting to WiFi..");
+  }
+  Serial.println(WiFi.localIP());
+}
+
+
+
+
+//------------LOOP------------
+void loop() {  
+  // Checking power-state
+  checkPowerState();
+
+  // Signal Activity
+  digitalWrite(LED_BUILTIN, LOW);
+  
+  // Handling Messages
+  Serial.println("Checking for messages...");
+  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);
+  }
+
+  // Signal Activity
+  digitalWrite(LED_BUILTIN, HIGH);
+
+  // Delay
+  delay(botRequestDelay);
+}