copied a bunch of shit

src/main.cpp

@@ -1,33 +1,97 @@
-// Rename this file later to main.cpp
-
 #include <Arduino.h>
 #include <LiquidCrystal_I2C.h>
 #include <ESP8266WiFi.h>
 #include <PubSubClient.h>
 
+const int deviceId = 0;
+
 const char *ssid = "PET Aflytningsvogn #43";
 const char *password = "zwr33htm";
 
 const char *mqtt_server = "192.168.24.215";
 
-const int buzzerPin = D0;
+WiFiClient espClient;
+PubSubClient client(espClient);
+
+int buzzerPin = D0;
 int lcdColumns = 16;
 int lcdRows = 2;
 
-// set LCD address, number of columns and rows
 LiquidCrystal_I2C lcd(0x3f, lcdColumns, lcdRows);  
 
+float readADC_Avg(int pin)
+{
+    float avg = analogRead(pin);
+    for (int i = 0; i < 10; i++)
+    {
+        avg = (avg + analogRead(pin)) / 2;
+        delay(20);
+    }
+    return avg;
+}
+
+void setup_wifi()
+{
+    delay(10);
+    // We start by connecting to a WiFi network
+    Serial.println();
+    Serial.print("Connecting to ");
+    Serial.println(ssid);
+
+    WiFi.begin(ssid, password);
+
+    while (WiFi.status() != WL_CONNECTED)
+    {
+        delay(500);
+        Serial.print(".");
+    }
+
+    Serial.println("");
+    Serial.println("WiFi connected");
+    Serial.println("IP address: ");
+    Serial.println(WiFi.localIP());
+}
+
+void reconnect()
+{
+    // Loop until we're reconnected
+    while (!client.connected())
+    {
+        Serial.print("Attempting MQTT connection...");
+        // Attempt to connect
+        if (client.connect("ESP8266Client"))
+        {
+            Serial.println("connected");
+        }
+        else
+        {
+            Serial.print("failed, rc=");
+            Serial.print(client.state());
+            Serial.println(" try again in 5 seconds");
+            // Wait 5 seconds before retrying
+            delay(5000);
+        }
+    }
+}
+
 void setup(){  
+  Serial.begin(115200);
+
   lcd.init();
   lcd.backlight();
   pinMode(buzzerPin, OUTPUT);
+
+  setup_wifi();
+  client.setServer(mqtt_server, 1883);
 }
 
 void loop(){  
-  digitalWrite(buzzerPin, HIGH);
-  lcd.print("Piss off, ghosts!");
-  delay(1000);
-  lcd.clear();
-  digitalWrite(buzzerPin, LOW);
-  delay(1000);
+  // digitalWrite(buzzerPin, HIGH);
+  // lcd.print("Piss off, ghosts!");
+  // delay(1000);
+  // lcd.clear();
+  // digitalWrite(buzzerPin, LOW);
+  // delay(1000);
+
+  
 }