Add basic network functionality.

window_control/window_control.ino

@@ -1,9 +1,97 @@
-void setup() {
-  // put your setup code here, to run once:
+#include <ESP8266WiFi.h>
+#include <PubSubClient.h>
 
+#define wifi_ssid "muner"
+#define wifi_password "Ah ah ah, you didn't say the magic word."
+
+#define mqtt_server "mqtt.kitsunehosting.net"
+#define mqtt_port 1883
+#define mqtt_user "device"
+#define mqtt_password "iamnotacrook"
+
+#define in_topic "/testing/in"
+#define out_topic "/testing/out"
+// Replace by 2 if you aren't enable to use Serial Monitor... Don't forget to Rewire R1 to GPIO2!
+#define in_led 2
+
+WiFiClient espClient;
+PubSubClient client;
+
+void setup() {
+  Serial.begin(115200);
+  setup_wifi();
+  client.setClient(espClient);
+  client.setServer(mqtt_server, mqtt_port);
+  client.setCallback(callback);
+  
+  // initialize digital pin LED_BUILTIN as an output.
+  pinMode(in_led, OUTPUT);
+  digitalWrite(in_led, HIGH);
+}
+
+void setup_wifi() {
+  delay(10);
+  // We start by connecting to a WiFi network
+  Serial.println();
+  WiFi.hostname("ESP-Test1");
+  Serial.print("Connecting to ");
+  Serial.println(wifi_ssid);
+
+  WiFi.begin(wifi_ssid, wifi_password);
+
+  while (WiFi.status() != WL_CONNECTED) {
+    delay(500);
+    Serial.println("Not yet connected.. Waiting 500ms to check again..");
+  }
+
+  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 you do not want to use a username and password, change next line to
+    // if (client.connect("ESP8266Client")) {
+    if (client.connect("ESP8266Client", mqtt_user, mqtt_password)) {
+      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 callback(char* topic, byte* payload, unsigned int length) {
+ Serial.print("Message arrived [");
+ Serial.print(topic);
+ Serial.print("] ");
+ for (int i = 0; i < length; i++) {
+  char receivedChar = (char)payload[i];
+  Serial.print(receivedChar);
+  if (receivedChar == '0')
+   digitalWrite(in_led, LOW);
+  if (receivedChar == '1')
+   digitalWrite(in_led, HIGH);
+ }
+ Serial.println();
 }
 
 void loop() {
-  // put your main code here, to run repeatedly:
-
+  if (!client.connected()) {
+    reconnect();
+  }
+  client.loop();
+  // Publishes a random 0 and 1 like someone switching off and on randomly (random(2))
+  client.publish(out_topic, String(random(2)).c_str(), true);
+  delay(1000);
+  client.subscribe(in_topic);
+  delay(1000);
 }