working mosquitto

src/main.ino

@@ -9,12 +9,10 @@
 #define CHARGE_PIN 5
 #define MEASURING_PIN 36
 #define RESISTOR_VALUE 1e6
-#define DEVICE "ESP32"
-#define WIFI_SSID "SSID_HERE"         // Network Name
-#define WIFI_PASSWORD "PASSWORD_HERE" // Network Password
 #define MQTT_SERVER "test.mosquitto.org"
 #define MQTT_PORT 1883
-#define MQTT_SUBSCRIBE_PUMP "plant/1/pump"
+#define MQTT_TOPIC_CAPCITANCE "pipe_system/capacitance"
+#define DEVICE_ID "PIPE_01"
 
 
 
@@ -39,11 +37,19 @@ void setup()
 void loop()
 {
   float cap;
-    setup_wifi();
-    setup_mqtt();
+
+  // Check WiFi connection and reconnect if needed
+  if (wifiMulti.run() != WL_CONNECTED) {
+    Serial.println("Wifi connection lost");
+  }
+
+  if (!client.connected()) {
+    reconnect_mqtt();
+  }
 
 
   cap = capacitance(DISCHARGE_PIN, CHARGE_PIN, MEASURING_PIN);
+  publish_mqtt("capacitance", cap);
 
 }
 // =============== LOOP END ============ 
@@ -92,7 +98,7 @@ void setup_wifi() {
   Serial.print(WIFI_SSID);
   Serial.println("  Successfully");
   Serial.print(WiFi.localIP());
-  Serial.println("  isn the local IP");
+  Serial.println("  is the local IP");
 }
 
 void setup_mqtt() {
@@ -112,8 +118,8 @@ void callback(char *topic, byte *message, unsigned int length) {
   }
   Serial.println();
 
-  if (String(topic) == MQTT_SUBSCRIBE_PUMP) {
-    Serial.print("Starting Pump for: ");
+  if (String(topic) == "SUBSCRIBE_STRING") {
+    Serial.print("a message!");
   }
 }
 
@@ -122,10 +128,10 @@ void reconnect_mqtt() {
   while (!client.connected()) {
     Serial.print("Attempting MQTT connection...");
     // Attempt to connect
-    if (client.connect("ESP32-1")) {
+    if (client.connect(DEVICE_ID)) {
       Serial.println("connected");
       // Subscribe
-      client.subscribe(MQTT_SUBSCRIBE_PUMP);
+      client.subscribe("SUB_STRING");
     } else {
       Serial.print("failed, rc=");
       Serial.print(client.state());
@@ -136,12 +142,13 @@ void reconnect_mqtt() {
   }
 }
 
-void publish_mqtt(const char *topic, const char *sensor, float value) {
+//void publish_mqtt(const char *topic, const char *sensor, float value) {
+void publish_mqtt(const char *sensor, float value) {
   char buffer[40];
-  sprintf(buffer, "plant1 %s=%.0f", sensor, value);
+  sprintf(buffer, "%s %s=%.0f", DEVICE_ID, sensor, value);
   Serial.print("Publishing ");
   Serial.println(buffer);
-  client.publish(topic, buffer);
+  client.publish(MQTT_TOPIC_CAPCITANCE, buffer);
 }