Working everything

arduino_mqtt/arduino_mqtt.ino

@@ -1,5 +1,5 @@
 #include <ESP8266WiFi.h>
-#include <PubSubClient.h>
+#include <ArduinoMqttClient.h>
 #include <SPI.h>
 #include <Wire.h>
 #include <Adafruit_GFX.h>
@@ -29,6 +29,7 @@ const char* mqttServer = "192.168.1.11";
 const int mqttPort = 1883;
 const char* mqttUser = "yourMQTTuser";
 const char* mqttPassword = "yourMQTTpassword";
+const char topic[]  = "solar/114182126368/0/power";
 
 //Diplay and DHT update data
 long previousMillis = 0; 
@@ -41,22 +42,44 @@ float temperature;
  
 //Start WiFi client
 WiFiClient espClient;
-PubSubClient MQTTclient(espClient);
+MqttClient MQTTclient(espClient);
  
-void callback(char* topic, byte* payload, unsigned int length) {
+// void callback(char* topic, byte* payload, unsigned int length) {
  
-  Serial.print("Message arrived in topic: ");
-  Serial.println(topic);
+//   Serial.print("Message arrived in topic: ");
+//   Serial.println(topic);
  
-  Serial.print("Message:");
+//   Serial.print("Message:");
+//   global_power = "";
+//   for (int i = 0; i < length; i++) {
+//     Serial.print((char)payload[i]);
+//     global_power += char(payload[i]);
+//   }
+// }
+
+void onMqttMessage(int messageSize) {
+  // Serial.println("Received a message with topic '");
+  // Serial.print(MQTTclient.messageTopic());
+  // Serial.print("', length ");
+  // Serial.print(messageSize);
+  // Serial.println(" bytes:");
+
   global_power = "";
-  for (int i = 0; i < length; i++) {
-    Serial.print((char)payload[i]);
-    global_power += char(payload[i]);
+  while (MQTTclient.available()) {
+    //Serial.print((char)MQTTclient.read());
+    global_power += char(MQTTclient.read());
   }
-}
+  // Serial.println(global_power);
+  // Serial.println();
+}  
 
 void showDisplay() {
+  //int length = global_power.length();
+  //Serial.println(lenght);
+  if (global_power.length() > 5) {
+  global_power = global_power.substring(0,global_power.length()-1);
+  }
+
   display.clearDisplay();
   display.setTextSize(1);
   display.setTextColor(WHITE);
@@ -92,11 +115,29 @@ String prepareHtmlPage()
   htmlPage += F("</p>"
                 "<p><b>Humidity:</b> ");
   htmlPage += humidity;
+  htmlPage += "</p>";
+    htmlPage += F("</p>"
+                "<p><b>MQTT Connected:</b> ");
+  htmlPage += MQTTclient.connected();
   htmlPage += "</p>";
   htmlPage += F("</html>"
                 "\r\n");
   return htmlPage;
 }
+
+void reconect() {
+    while (!MQTTclient.connect(mqttServer, mqttPort)) {
+    Serial.println("Connecting to MQTT...");
+ 
+    // if (MQTTclient.connect()) {
+    //    Serial.println("Connected to mqtt!");
+    // } else {
+    //   Serial.print("failed with state ");
+    //   Serial.print(MQTTclient.connectError());
+    //   delay(2000);
+    // }
+  }
+}
  
 void setup() {
 
@@ -115,22 +156,13 @@ void setup() {
   }
   Serial.println("Connected to WiFi");
   
-  MQTTclient.setServer(mqttServer, mqttPort);
-  MQTTclient.setCallback(callback);
- 
-  while (!MQTTclient.connected()) {
-    Serial.println("Connecting to MQTT...");
+  //MQTTclient.setServer(mqttServer, mqttPort);
+  //MQTTclient.setCallback(callback);
+  MQTTclient.onMessage(onMqttMessage);
+  MQTTclient.subscribe(topic);
  
-    if (MQTTclient.connect("ESP32Client", mqttUser, mqttPassword )) {
-       Serial.println("Connected to mqtt!");
-    } else {
-      Serial.print("failed with state ");
-      Serial.print(MQTTclient.state());
-      delay(2000);
-    }
-  }
-  //Get info from Solar
-  MQTTclient.subscribe("solar/114182126368/0/power");
+  //Get info from Solar  
+  //MQTTclient.subscribe("solar/114182126368/0/power");
   
   server.begin();
   Serial.printf("Web server started, open %s in a web browser\n", WiFi.localIP().toString().c_str());
@@ -147,7 +179,19 @@ void setup() {
 }
  
 void loop() {
-  MQTTclient.loop();
+  if (!MQTTclient.connected()) {
+    reconect();
+    //Serial.print("loop ");
+    //Serial.println(MQTTclient.connected());
+    MQTTclient.poll();
+    MQTTclient.available();
+    //Serial.println((char)MQTTclient.read());
+  }
+  MQTTclient.poll();
+  MQTTclient.available();
+  MQTTclient.subscribe(topic);
+  //Serial.println((char)MQTTclient.read());
+
   WiFiClient serverClient = server.available();
   if (serverClient)
   {
@@ -171,16 +215,31 @@ void loop() {
     // close the connection:
     serverClient.stop();
   }
-  String MQTTmessage;
-  char out[255];
+  
   unsigned long currentMillis = millis();
+  //Serial.println("outside for");
   if(currentMillis - previousMillis > interval) {
       previousMillis = currentMillis;
       humidity = dht.readHumidity();
       temperature = dht.readTemperature();
       showDisplay();
 
-      MQTTclient.publish("my/office/Temperature", String(temperature).c_str());
-      MQTTclient.publish("my/office/Humidity", String(humidity).c_str());
+      if (!MQTTclient.connected()) {
+        reconect();
+      }
+      //Serial.println(MQTTclient.connected());
+
+      MQTTclient.beginMessage("my/office/Temperature");
+      MQTTclient.print(String(temperature).c_str());
+      MQTTclient.endMessage();
+
+      MQTTclient.beginMessage("my/office/Humidity");
+      MQTTclient.print(String(humidity).c_str());
+      MQTTclient.endMessage();
+
+
+      // MQTTclient.publish("my/office/Temperature", String(temperature).c_str());
+      // MQTTclient.publish("my/office/Humidity", String(humidity).c_str());
+
   }
 }