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Changes for page 2 Script

Last modified by Devin Chen on 2025/06/06 14:03
From version 37.1
edited by Hunter
on 2023/01/03 09:36
Change comment: There is no comment for this version
To version 40.1
edited by Hunter
on 2023/03/17 16:04
Change comment: There is no comment for this version

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... ... @@ -465,8 +465,9 @@
465 465  
466 466  (% class="mark" %)2.If your server requires SSL certificate to log in,please use OpenCloud.Because only OpenCloud platform can support to upload certificate
467 467  
468 -(% class="wikigeneratedid" %)
468 +{{info}}
469 469  **✎Note: **Before program the script of MQTT, please make sure the server(MQTT broker) can be connected through MQTT Client tool.
470 +{{/info}}
470 470  
471 471  (% class="wikigeneratedid" %)
472 472  Tool link: **[[MQTT.fx>>http://mqttfx.jensd.de/index.php/download]]**
... ... @@ -514,9 +514,13 @@
514 514  --initialize mqtt
515 515  function mqtt_init()
516 516   print(string.format("mqtt init mqtt_url:%s mqtt_clientid:%s", MQTT_URL, MQTT_CLIENT_ID))
518 + if g_mq then
519 + mqtt.close() --Close mqtt object
520 + end
517 517   g_mq, err = mqtt.create(MQTT_URL, MQTT_CLIENT_ID) -- create mqtt object,and declare it as a global variable
518 518   if g_mq then
519 519   g_mq:on("message", mqtt_msg_callback) -- Register a callback for receiving messages
524 + g_mq:on("offline", mqtt_msg_offline) -- Register a callback for offline
520 520   print("mqtt init success")
521 521   else
522 522   print("mqtt init failed:", err)
... ... @@ -536,6 +536,11 @@
536 536   g_mq:subscribe(SUBSCRIBE_TOPIC, 0)
537 537  end
538 538  
544 +--Offline callback function
545 +function mqtt_msg_offline(cause)
546 + print("mqtt offline, cause:", cause)
547 +end
548 +
539 539  -- Received message callback function
540 540  function mqtt_msg_callback(topic, msg)
541 541   print("topic:", topic)
... ... @@ -574,9 +574,11 @@
574 574   if g_mq:isconnected() then
575 575   send_data()
576 576   else
577 - --if exceed 20 sec not connect, reconnect once
578 - if os.time() - LAST_TIME > 20 then
587 + --if exceed 5 sec not connect, reconnect once
588 + if os.time() - LAST_TIME > 5 then
579 579   LAST_TIME = os.time()
590 + --reinitial the mqtt object
591 + mqtt_init()
580 580   --connect to mqtt or reconnect
581 581   mqtt_connect()
582 582   end