Added relay control

ESPtermostat.ino

@@ -75,13 +75,25 @@ void setup() {
 //========== Web server setup ==========
 
   server.on("/", HTTP_GET, [](AsyncWebServerRequest *request){
-      request->send(200, "text/plain", "ESP termostat, tady se bude posílat aplikace z flash paměti");
+      request->send(200, "text/plain; charset=utf-8", "ESP termostat, tady se bude posílat aplikace z flash paměti");
   });
   if(METRICS_EXPORT){
     server.on("/metrics", HTTP_GET, [](AsyncWebServerRequest *request){
         request->send(200, "text/plain; charset=utf-8", metrics);
     });
   }
+  if(METRICS_EXPORT && !THERMOSTAT){
+    server.on("/relay", HTTP_GET, [](AsyncWebServerRequest *request){
+      boolean state;      
+      if (request->hasParam("set")) {
+        state = request->getParam("set")->value() == "1";
+        digitalWrite(RELAY_PIN, state);
+        request->send(200, "text/plain; charset=utf-8", "success");
+      }else{
+        request->send(200, "text/plain; charset=utf-8", String(digitalRead(RELAY_PIN)));
+      }
+    });
+  }
   server.onNotFound(notFound);
   server.begin();
   

config.h.example

@@ -3,5 +3,8 @@
 
 #define DS18B20_PIN 0
 #define RELAY_PIN 2
+
 #define METRICS_EXPORT 1
+#define THERMOSTAT 0
+
 #define CORRECTION 0