mqtt without user and pass

src/LoRa_APRS_iGate.cpp

@@ -68,6 +68,7 @@ ___________________________________________________________________*/
 
 
 String              versionDate             = "2025-08-29";
+String              versionNumber           = "3.1";
 Configuration       Config;
 WiFiClient          aprsIsClient;
 WiFiClient          mqttClient;

src/aprs_is_utils.cpp

@@ -41,6 +41,7 @@ extern String               sixthLine;
 extern String               seventhLine;
 extern bool                 modemLoggedToAPRSIS;
 extern bool                 backUpDigiMode;
+extern String               versionNumber;
 
 uint32_t    lastRxTime      = millis();
 bool        passcodeValid   = false;
@@ -78,7 +79,9 @@ namespace APRS_IS_Utils {
             aprsAuth += Config.callsign;
             aprsAuth += " pass ";
             aprsAuth += Config.aprs_is.passcode;
-            aprsAuth += " vers CA2RXU_iGate 3.0 filter ";
+            aprsAuth += " vers CA2RXUiGate ";
+            aprsAuth += versionNumber;
+            aprsAuth += " filter ";
             aprsAuth += Config.aprs_is.filter;
             upload(aprsAuth);
         }

src/mqtt_utils.cpp

@@ -65,7 +65,15 @@ namespace MQTT_Utils {
         }
         pubSub.setServer(Config.mqtt.server.c_str(), Config.mqtt.port);
         Serial.print("Trying to connect with MQTT Server: " + String(Config.mqtt.server) + " MqttServerPort: " + String(Config.mqtt.port));
-        if (pubSub.connect(Config.callsign.c_str(), Config.mqtt.username.c_str(), Config.mqtt.password.c_str())) {
+
+        bool connected = false;
+        if (!Config.mqtt.username.isEmpty()) {
+            connected = pubSub.connect(Config.callsign.c_str(), Config.mqtt.username.c_str(), Config.mqtt.password.c_str());
+        } else {
+            connected = pubSub.connect(Config.callsign.c_str());
+        }
+
+        if (connected) {
             Serial.println(" -> Connected !");
             const String subscribedTopic = Config.mqtt.topic + "/" + Config.callsign + "/#";
             if (!pubSub.subscribe(subscribedTopic.c_str())) {
@@ -74,7 +82,7 @@ namespace MQTT_Utils {
             Serial.print("Subscribed to MQTT topic : ");
             Serial.println(subscribedTopic);
         } else {
-            Serial.println(" -> Not Connected (Retry in 10 secs)");
+            Serial.println(" -> Not Connected (Retry in a few secs)");
         }
     }
 

src/query_utils.cpp

@@ -31,6 +31,7 @@ extern float                            snr;
 extern int                              freqError;
 extern bool                             shouldSleepLowVoltage;
 extern bool                             saveNewDigiEcoModeConfig;
+extern String                           versionNumber;
 
 
 namespace QUERY_Utils {
@@ -42,7 +43,9 @@ namespace QUERY_Utils {
         if (queryQuestion == "?APRS?" || queryQuestion == "H" || queryQuestion == "HELP" || queryQuestion=="?") {
             answer.concat("?APRSV ?APRSP ?APRSL ?APRSSSR ?EM=? ?TX=? "); // ?APRSH ?WHERE callsign
         } else if (queryQuestion == "?APRSV") {
-            answer.concat("CA2RXU_LoRa_iGate 3.0 v");
+            answer.concat("CA2RXU_LoRa_iGate v");
+            answer.concat(versionNumber);
+            answer.concat(" ");
             answer.concat(versionDate);
         } else if (queryQuestion == "?APRSP") {
             answer.concat("iGate QTH: ");

src/syslog_utils.cpp

@@ -25,6 +25,7 @@
 
 extern Configuration    Config;
 extern String           versionDate;
+extern String           versionNumber;
 
 WiFiUDP udpClient;
 
@@ -35,7 +36,9 @@ namespace SYSLOG_Utils {
         if (Config.syslog.active && WiFi.status() == WL_CONNECTED) {
             String syslogPacket = "<165>1 - ";
             syslogPacket.concat(Config.callsign);
-            syslogPacket.concat(" CA2RXU_LoRa_iGate_3.0 - - - "); //RFC5424 The Syslog Protocol
+            syslogPacket.concat(" CA2RXU_LoRa_iGate_");
+            syslogPacket.concat(versionNumber);
+            syslogPacket.concat(" - - - "); //RFC5424 The Syslog Protocol
 
             char signalData[35];
             snprintf(signalData, sizeof(signalData), " / %ddBm / %.2fdB / %dHz", rssi, snr, freqError);