#include <IRremote.hpp>  // IRremote-Bibliothek einbinden

#define IR_RECEIVE_PIN 11  // Pin, an den der IR-Empfänger angeschlossen ist
#define Relay 10           // Pin für das Relais

int RelayState = LOW;

#define PC_ON 0xA2  // Empänger Code der gedrückten Taste



void setup() {
  Serial.begin(9600);                // // Establish serial communication
  IrReceiver.begin(IR_RECEIVE_PIN);  // Start the receiver ; ENABLE_LED_FEEDBACK einfügen um die LED_Buildin zu nutzen
  pinMode(IR_RECEIVE_PIN, INPUT);    // Reciver  Pin auf INPUT setzen
  pinMode(Relay, OUTPUT);            // Relay Pin auf INPUT setzen
}

void loop() {
  if (IrReceiver.decode()) {  // Checked ob dateien empfangen wurden, wenn ja werden sie decodiert.
    if (IrReceiver.decodedIRData.protocol == UNKNOWN) {
      Serial.println(F("Received noise or an unknown (or not yet enabled) protocol"));
      // We have an unknown protocol here, print extended info
      //IrReceiver.printIRResultRawFormatted(&Serial, true);
      IrReceiver.resume();  // Do it here, to preserve raw data for printing with printIRResultRawFormatted()
    } else {
      IrReceiver.resume();  // Early enable receiving of the next IR frame
      IrReceiver.printIRResultShort(&Serial);
      IrReceiver.printIRSendUsage(&Serial);
    }

    Serial.println("START");  // Info ausgeben
    unsigned long value = IrReceiver.decodedIRData.command;
    if (value == PC_ON) {
      digitalWrite(LED_BUILTIN, HIGH);
      delay(100);
      digitalWrite(Relay, HIGH);  // Relais einschalten
      Serial.println("Relais eingeschaltet");
      RelayState = HIGH;
      delay(500);               // 0.5 Sekunde warten
      digitalWrite(Relay, LOW);  // Relais ausschalten
      digitalWrite(LED_BUILTIN, LOW);
      delay(100);
      RelayState = LOW;
      Serial.println("Relais ausgeschaltet");
    } else {
      digitalWrite(LED_BUILTIN, HIGH);
      delay(200);
      digitalWrite(LED_BUILTIN,LOW);
      delay(200);
      digitalWrite(LED_BUILTIN, HIGH);
      delay(200);
      digitalWrite(LED_BUILTIN,LOW);
      delay(200);
      digitalWrite(LED_BUILTIN, HIGH);
      delay(200);
      digitalWrite(LED_BUILTIN,LOW);
      delay(200);
      digitalWrite(LED_BUILTIN, HIGH);
      delay(200);
      digitalWrite(LED_BUILTIN,LOW);
      delay(200);
    }


  }

  
}