Added HTTP REST API.

include/config.sample.h

@@ -24,6 +24,9 @@
 #define NTP_INTERVAL 300000 // Interval in ms to update the time from the NTP server. 300000 ms = 5 minutes
 #define NTP_OFFSET 7200 // Offset of your local time from UTC in seconds. Germany, daylight savings time = 2 hours = 7200 seconds
 
+#define HTTP_SERVER_ENABLE
+#define HTTP_SERVER_PORT 80
+
 #define MQTT_ENABLE // Use MQTT. Add slashes to the start of the line to disable MQTT completely.
 #define MQTT_SERVER "..." // Data for connecting to the MQTT server
 #define MQTT_PORT 1883

include/http_server.h

@@ -0,0 +1,11 @@
+#pragma once
+#include "config.h"
+
+#ifdef HTTP_SERVER_ENABLE
+#include <ESP8266WebServer.h>
+
+extern ESP8266WebServer http_server;
+
+void http_server_setup();
+void http_server_loop();
+#endif