Initial commit

src/Duftsprueher.ino

@@ -0,0 +1,150 @@
+
+
+#include <Arduino.h>
+#include <ESP8266WiFi.h>      //ESP library from http://github.com/esp8266/Arduino
+#include <PubSubClient.h>      // MQTT library from http://github.com/Imroy/pubsubclient
+#include "Servo.h"
+#include <Adafruit_NeoPixel.h>
+
+extern "C" {
+  #include "user_interface.h"
+}
+
+String esp_id = "duft";
+
+const char *ssid =   "iApfel";      // cannot be longer than 32 characters!
+const char *password =   "***REMOVED***";      //
+const char* mqtt_server = "192.168.1.5";
+
+#define SERV1 12 // Pin connected to the Servomotor
+Servo s1;
+
+// Strings zusammen bauen
+String esp = "esp_wz" + esp_id;
+char *esp_name = &esp[0u];
+
+//String air_topic = "esp" + String(esp_id) + "/room";
+//const char* mqtt_air_topic = &air_topic[0u];
+const char* mqtt_air_topic = "airfresh";
+
+WiFiClient espClient;
+PubSubClient client(espClient);
+
+void setup() {
+  // start the serial connection
+  Serial.begin(115200);
+
+  setup_wifi();
+
+  Serial.print("Connecting to MQTT");
+  client.setServer(mqtt_server, 1883);
+  Serial.print("Connected to MQTT");
+  client.setCallback(callback);
+  client.publish("airfrash","hello world");
+  client.subscribe("airfresh");
+
+  // move servomotor to neutral position
+  s1.attach(SERV1);
+  delay(400);
+  s1.write(90);
+  delay(400);
+  s1.detach();
+}
+
+void setup_wifi() {
+  WiFi.mode(WIFI_STA);
+  WiFi.begin(ssid, password);
+  //wifi_set_phy_mode(PHY_MODE_11G);
+  //system_phy_set_max_tpw(50);
+  wifi_station_set_hostname(esp_name);
+  delay(10);
+
+  // We start by connecting to a WiFi network
+  Serial.println();
+  Serial.print("Connecting to ");
+  Serial.println(ssid);
+  //WiFi.config(IPAddress(192,168,1,20), IPAddress(192,168,1,1), IPAddress(255,255,255,0), IPAddress(192,168,1,1));
+  //Serial.println(WiFi.status());
+
+  // animate LEDs while waiting for connection
+  while (WiFi.status() != WL_CONNECTED) {
+    Serial.print(".");
+    delay(50);
+  }
+
+  Serial.println("");
+  Serial.println("WiFi connected");
+  Serial.println("IP address: ");
+  Serial.println(WiFi.localIP());
+}
+
+void loop() {
+  // Check WLan
+  if (WiFi.status() != WL_CONNECTED) {
+    reconnect();
+  }
+
+  // Check mqtt messages
+  if (!client.connected()) {
+    reconnect();
+  }
+  client.loop();
+}
+
+// this function is called whenever a message
+// is received from Adafruit IO. it was attached to
+// the feed in the setup() function above.
+void callback(char* topic, byte* payload, unsigned int length) {
+  // Zähler
+   int i = 0;
+   // Hilfsvariablen für die Convertierung der Nachricht in ein String
+   char message_buff[100];
+
+   Serial.println("Message arrived: topic: " + String(topic));
+   Serial.println("Length: " + String(length,DEC));
+
+   // Kopieren der Nachricht und erstellen eines Bytes mit abschließender \0
+   for(i=0; i<length; i++) {
+     message_buff[i] = payload[i];
+   }
+   message_buff[i] = '\0';
+
+   // Konvertierung der nachricht in ein String
+   String msgString = String(message_buff);
+   Serial.println("Payload: " + msgString);
+
+  // if virtual push button was pressed
+  if (msgString.equalsIgnoreCase("1")){
+    Serial.println("Virtual push button");
+    s1.attach(SERV1);
+    delay(400);
+    s1.write(55);
+    delay(1000);
+    s1.write(90);
+    delay(1000);
+    s1.detach();
+  }
+}
+
+void reconnect() {
+  // Loop until we're reconnected
+  while (WiFi.status() != WL_CONNECTED) {
+    delay(500);
+    Serial.print(".");
+  }
+
+  while (!client.connected()) {
+    Serial.print("Attempting MQTT connection...");
+    // Attempt to connect
+    if (client.connect("arduinoClient")) {
+      Serial.println("connected");
+      client.subscribe(mqtt_air_topic);
+    } else {
+      Serial.print("failed, rc=");
+      Serial.print(client.state());
+      Serial.println(" try again in 5 seconds");
+      // Wait 5 seconds before retrying
+      delay(5000);
+    }
+  }
+}