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docs: update changelog and header for version v1.4.1
- Die MQTT-Puffergröße auf 16.384 Byte (16 KB) erhöht. Dies sollte ausreichen, um Ihre 15.403 Byte große JSON-Nutzlast mit etwas mehr Spielraum zu verarbeiten. Diese Änderung ermöglicht es dem MQTT-Client, größere JSON-Nachrichten ohne Kürzung zu empfangen und zu verarbeiten. Einige wichtige Hinweise zu dieser Änderung: Die neue Puffergröße von 16 KB verbraucht mehr RAM, der ESP32 sollte jedoch ausreichend Speicher dafür haben. Die Größe ist auf 16 KB festgelegt, um über die benötigten 15.403 Byte hinaus zusätzlichen Puffer-Overhead bereitzustellen. Diese Änderung betrifft nur den MQTT-Empfangspuffer -- - Die Task-Stack-Größe von 8192 auf 16384 Wörter erhöht, um mehr Speicher für die JSON-Verarbeitung bereitzustellen --- - Erhöhung des Keepalive-Intervalls auf 60 Sekunden - Verbesserte Fehlerbehandlung und Debugging-Ausgaben - Detaillierte Statusmeldungen für die MQTT-Verbindung - Periodische Verbindungsüberprüfung alle 30 Sekunden - Bessere Handhabung von Verbindungsverlusten --- - Verwendung einer eindeutigen Client-ID mit Zufallssuffix - Erhöhung der QoS (Quality of Service) auf 1 für zuverlässigere Übertragung - Einstellung eines Socket-Timeouts von 60 Sekunden - Aktivierung von Clean Session und Will Message - Verbessertes Verbindungs-Logging
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+69
-14
@@ -549,20 +549,47 @@ void reconnect() {
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uint8_t retries = 0;
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while (!client.connected()) {
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Serial.println("Attempting MQTT re/connection...");
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Serial.print("State before connect: ");
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Serial.println(client.state());
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bambu_connected = false;
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oledShowTopRow();
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// Attempt to connect
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if (client.connect(bambu_serialnr, bambu_username, bambu_accesscode)) {
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Serial.println("MQTT re/connected");
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// Generate a random client ID suffix
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String clientId = String(bambu_serialnr) + "_" + String(random(0xffff), HEX);
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Serial.print("Reconnecting with client ID: ");
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Serial.println(clientId);
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client.subscribe(report_topic.c_str());
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// Attempt to connect with clean session and will message
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if (client.connect(clientId.c_str(), bambu_username, bambu_accesscode, nullptr, 0, true, nullptr)) {
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Serial.println("MQTT re/connected");
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// Subscribe with QoS 1
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if (client.subscribe(report_topic.c_str(), 1)) {
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Serial.println("Successfully subscribed to topic with QoS 1: " + report_topic);
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} else {
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Serial.println("Failed to subscribe to topic: " + report_topic);
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}
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bambu_connected = true;
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oledShowTopRow();
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} else {
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int state = client.state();
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Serial.print("failed, rc=");
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Serial.print(client.state());
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Serial.println(" try again in 5 seconds");
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Serial.print(state);
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Serial.print(" (");
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// Print detailed error message
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switch(state) {
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case -4: Serial.print("MQTT_CONNECTION_TIMEOUT"); break;
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case -3: Serial.print("MQTT_CONNECTION_LOST"); break;
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case -2: Serial.print("MQTT_CONNECT_FAILED"); break;
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case -1: Serial.print("MQTT_DISCONNECTED"); break;
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case 1: Serial.print("MQTT_CONNECT_BAD_PROTOCOL"); break;
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case 2: Serial.print("MQTT_CONNECT_BAD_CLIENT_ID"); break;
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case 3: Serial.print("MQTT_CONNECT_UNAVAILABLE"); break;
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case 4: Serial.print("MQTT_CONNECT_BAD_CREDENTIALS"); break;
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case 5: Serial.print("MQTT_CONNECT_UNAUTHORIZED"); break;
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default: Serial.print("UNKNOWN"); break;
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}
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Serial.println(") try again in 5 seconds");
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bambu_connected = false;
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oledShowTopRow();
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@@ -570,11 +597,9 @@ void reconnect() {
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vTaskDelay(5000 / portTICK_PERIOD_MS);
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if (retries > 5) {
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Serial.println("Disable Bambu MQTT Task after 5 retries");
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//vTaskSuspend(BambuMqttTask);
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vTaskDelete(BambuMqttTask);
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break;
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}
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retries++;
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}
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}
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@@ -582,17 +607,32 @@ void reconnect() {
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void mqtt_loop(void * parameter) {
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Serial.println("Bambu MQTT Task gestartet");
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unsigned long lastCheck = 0;
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for(;;) {
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if (pauseBambuMqttTask) {
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vTaskDelay(10000);
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continue;
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}
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unsigned long now = millis();
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if (!client.connected()) {
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Serial.println("Connection lost, attempting reconnect...");
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reconnect();
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yield();
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esp_task_wdt_reset();
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vTaskDelay(100);
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continue;
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}
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// Periodically check connection status
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if (now - lastCheck > 30000) { // Check every 30 seconds
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Serial.print("MQTT Status Check - Connected: ");
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Serial.println(client.connected() ? "Yes" : "No");
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lastCheck = now;
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}
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client.loop();
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yield();
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esp_task_wdt_reset();
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@@ -617,15 +657,30 @@ bool setupMqtt() {
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sslClient.setInsecure();
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client.setServer(bambu_ip, 8883);
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// Generate a random client ID suffix
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String clientId = String(bambu_serialnr) + "_" + String(random(0xffff), HEX);
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// MQTT Connection Options
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// client.setKeepAlive(60);
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// client.setSocketTimeout(60); // Increase socket timeout
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Serial.print("Connecting with client ID: ");
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Serial.println(clientId);
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// Verbinden mit dem MQTT-Server
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bool connected = true;
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if (client.connect(bambu_serialnr, bambu_username, bambu_accesscode))
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if (client.connect(clientId.c_str(), bambu_username, bambu_accesscode, nullptr, 0, true, nullptr))
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{
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client.setCallback(mqtt_callback);
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client.setBufferSize(5120);
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// Optional: Topic abonnieren
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client.subscribe(report_topic.c_str());
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//client.subscribe(request_topic.c_str());
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client.setBufferSize(16384); // Increased to 16KB to handle larger JSON
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// Subscribe with QoS 1
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if (client.subscribe(report_topic.c_str(), 1)) {
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Serial.println("Successfully subscribed to topic with QoS 1: " + report_topic);
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} else {
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Serial.println("Failed to subscribe to topic: " + report_topic);
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}
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Serial.println("MQTT-Client initialisiert");
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oledShowMessage("Bambu Connected");
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@@ -635,7 +690,7 @@ bool setupMqtt() {
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xTaskCreatePinnedToCore(
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mqtt_loop, /* Function to implement the task */
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"BambuMqtt", /* Name of the task */
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8192, /* Stack size in words */
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16384, /* Stack size in words */
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NULL, /* Task input parameter */
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mqttTaskPrio, /* Priority of the task */
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&BambuMqttTask, /* Task handle. */
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