Add Web server interface

src/main.cpp

@@ -1,6 +1,7 @@
 #include <Arduino.h>
 #include <ArduinoOTA.h>
 #include <ESP8266WiFi.h>
+#include <ESP8266WebServer.h>
 
 #define RELAY 4 // GPIO4
 #define WIFI_NAME "TechInc"
@@ -8,6 +9,10 @@
 #define HTTP_HOST "google.com"
 #define HTTP_PORT (80)
 
+ESP8266WebServer server(80);
+String header;
+boolean automatic = true;
+
 // ----- //
 // Setup //
 // ----- //
@@ -49,6 +54,30 @@ void setupOTA()
   ArduinoOTA.begin();
 }
 
+void webSetup() {
+  server.on("/", []() {
+    server.send(200, "text/plain", "Welcome to the Internet.\n\nAndroidOTA is working, on default port 8266\n\nWeb stuff\n-----------\n/auto  turns it into automatic mode (determined by Internet)\n/off   turns it off\n/on    turns it on");
+  });
+  server.on("/on", []() {
+    server.send(200, "text/plain", "lights on");
+    automatic = false;
+    relayOn();
+  });
+
+  server.on("/off", []() {
+    server.send(200, "text/plain", "lights off");
+    automatic = false;
+    relayOff();
+  });
+
+  server.on("/auto", []() {
+    server.send(200, "text/plain", "automatic mode");
+    automatic = true;
+  });
+
+  server.begin();
+}
+
 void setup()
 {
   Serial.begin(9600);
@@ -59,6 +88,7 @@ void setup()
   relayOff();
   ensureWiFiConnection();
   setupOTA();
+  webSetup();
 }
 
 // ----- //
@@ -68,14 +98,14 @@ void setup()
 void relayOn()
 {
   Serial.println("Lights on");
-  digitalWrite(LED_BUILTIN, HIGH);
+  digitalWrite(LED_BUILTIN, LOW);
   digitalWrite(RELAY, HIGH);
 }
 
 void relayOff()
 {
   Serial.println("Lights off");
-  digitalWrite(LED_BUILTIN, LOW);
+  digitalWrite(LED_BUILTIN, HIGH);
   digitalWrite(RELAY, LOW);
 }
 
@@ -118,6 +148,7 @@ bool pingHTTP()
 
 void testInternet()
 {
+  if(!automatic) return;
   if(pingHTTP()) {
     Serial.println("Internet is up");
     relayOn();
@@ -134,5 +165,6 @@ void loop()
   for(size_t i = 0; i < 5; i++) {
     ArduinoOTA.handle();
     delay(1000);
+    server.handleClient();
   }
 }