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...	...	@@ -15,7 +15,7 @@
15	15	This MQTT forward instruction is for below devices:
16	16
17	17	* Firmware Version > LG02_LG08-5.3.1580178039 [[Firmware Download>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/LPS8/Firmware/Release/]]
18		-* LG01N, OLG01N ((% style="color:red" %)**Warning**(%%): LG01-P LG01-S use another instruction: [[MQTT for LG01-P/LG01S>>doc:Through MQTT to upload data.WebHome]])
	18	+* LG01N, OLG01N ((% style="color:red" %)**Warning**(%%): LG01-P LG01-S use another instruction: [[MQTT for LG01-P/LG01S>>doc:Main.Through MQTT to upload data.WebHome]])
19	19	* LG02, OLG02
20	20	* LG308, DLOS8
21	21	* LPS8
...	...	@@ -22,6 +22,7 @@
22	22	* LIG16
23	23	* MS14 series if installed with the same firmware. (in this case, the MQTT forward will work , but no LoRa support)
24	24
	25	+
25	25	= 2.  Firmware Change Log for MQTT feature =
26	26
27	27
...	...	@@ -32,9 +32,9 @@
32	32	* LG02_LG08-5.3.1580178039
33	33	** Initiate version
34	34
	36	+
35	35	= 3.  MQTT forward operating principle =
36	36
37		-
38	38	== 3.1  Network Structure ==
39	39
40	40
...	...	@@ -41,7 +41,7 @@
41	41	Below shows the network structure for MQTT forwarding.
42	42
43	43	* **For Uplink:**  The sensor sends data to LoRa Gateway via LoRa wireless, The gateway will process these data and forward to remote MQTT Broker via Internet.
44		-* **For Downlink:** The gateway subscribe a topic in the MQTT broker, when there is update on the topic, the gateway will know and broadcast the data to Local LoRa network,
	45	+* **For Downlink:** The gateway subscribe a topic in the MQTT broker, when there is update on the topic, the gateway will know and broadcast the data to Local LoRa network.
45	45
46	46	[[image:image-20220527133547-1.png]]
47	47
...	...	@@ -56,6 +56,7 @@
56	56
57	57	=== 3.2.1  Upstream ===
58	58
	60	+
59	59	Assume there are two sensor nodes, their ID are Node1 ID: 6734 , Node2 ID: 7456. In the remote MQTT broker there are two topics: Topic1: /channel/765800, Topic2: /channel/367860. We can set up in the gateway to map Node1 to Topic1 and Node2 to Topic2. So when there is a sensor data from Node1, the gateway will forward the data to Topic1, when there is sensor data from Node2, the gateway will forward to Topic2.
60	60
61	61	(((
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148	148	)))
149	149
150	150
151		-
152	152	== 3.4  Modify the MQTT to support more options ==
153	153
154	154
...	...	@@ -276,10 +276,8 @@
276	276	)))
277	277
278	278
279		-
280	280	= 4.  Example to communicate to a simple MQTT server =
281	281
282		-
283	283	== 4.1  Overview ==
284	284
285	285
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314	314	Downstream: Subscribe a topic to get downstream
315	315
316	316
317		-
318	318	== 4.3  Simulate via Dragino Command Line ==
319	319
	318	+
320	320	For first try of MQTT connection, simulate via command line is recommend, there are many servers / connection type for MQTT. They are using different connection parameters. Simulating the connection via command line will help us rapidly connect to server and debug.
321	321
322	322	In the Dragino Gateway, we use [[mosquitto client>>url:https://mosquitto.org/]] for MQTT connection.
...	...	@@ -335,7 +335,6 @@
335	335	mosquitto_pub
336	336
337	337
338		-
339	339	(% style="color:blue" %)**For Downstream**
340	340
341	341	Use [[mosquitto_sub>>url:https://mosquitto.org/man/mosquitto_sub-1.html]] to subscribe the change on the topic.
...	...	@@ -347,6 +347,7 @@
347	347
348	348	== 4.4  Configure Dragino UI for MQTT connection ==
349	349
	348	+
350	350	This chapter are step by step to show to configure the Dragino Menu for MQTT auto connection.
351	351
352	352	(((
...	...	@@ -367,7 +367,6 @@
367	367	forward to MQTT
368	368
369	369
370		-
371	371	=== 4.4.1  Configure the MQTT Client for Upstream ===
372	372
373	373
...	...	@@ -388,7 +388,6 @@
388	388	MQTT Publish configure
389	389
390	390
391		-
392	392	[[image:image-20220527135929-13.png]]
393	393
394	394	MQTT Channel settings
...	...	@@ -417,7 +417,6 @@
417	417	MQTT Publish
418	418
419	419
420		-
421	421	=== 4.4.2  Configure the MQTT Client for Downstream ===
422	422
423	423
...	...	@@ -455,6 +455,7 @@
455	455	In above section, we have configured the UI to support MQTT upstream and downstream. We can simulate via Linux command. In this section, we will guide how to communicate with remote LoRa End Node for upstream and downstream.
456	456
457	457
	454	+
458	458	=== 4.5.1  Use LoRa Raw protocol for communication ~-~- For LG01/LG02 ===
459	459
460	460
...	...	@@ -485,7 +485,6 @@
485	485	LoRa Parameter should match
486	486
487	487
488		-
489	489	Below is the test result after the Arduino Sketch is running.
490	490
491	491	[[image:image-20220527140459-19.png]]
...	...	@@ -493,13 +493,11 @@
493	493	Upstream Data Flow
494	494
495	495
496		-
497	497	[[image:image-20220527140542-20.png]]
498	498
499	499	Downstream Data Flow
500	500
501	501
502		-
503	503	=== 4.5.2  Use LoRaWAN Protocol for communication ~-~- For LG308/LPS8/DLOS8 ===
504	504
505	505
...	...	@@ -511,11 +511,11 @@
511	511	When use test this feature, please use the version higher then : (% style="color:#4f81bd" %)**LG02_LG08~-~-build-v5.4.1593400722-20200629-1120**(%%), in this version, the upload format is changed and readable, which is easier for integration.
512	512
513	513
514		-(% style="color:#4f81bd" %)**Video Instruction**(%%): (% style="color:blue" %)[[https:~~/~~/youtu.be/qJTY441-t90>>url:https://youtu.be/qJTY441-t90]]
	508	+(% style="color:blue" %)**Video Instruction**(%%): (% style="color:blue" %)[[https:~~/~~/youtu.be/qJTY441-t90>>url:https://youtu.be/qJTY441-t90]]
515	515	)))
516	516
517	517	(((
518		-(% style="color:blued" %)**Step 1**(%%): Refer [[Communicate with ABP End Node>>Communicate with ABP End Node without LoRaWAN Network Server --- LG308]] to know how to set up LG308 to work with LoRaWAN End node.
	512	+(% style="color:blue" %)**Step 1**(%%): Refer [[Communicate with ABP End Node>>Communicate with ABP End Node without LoRaWAN Network Server --- LG308]] to know how to set up LG308 to work with LoRaWAN End node.
519	519	)))
520	520
521	521	(((
...	...	@@ -536,44 +536,36 @@
536	536	[[image:image-20220613191345-4.png]]
537	537
538	538
539		-
540	540	(% style="color:blue" %)**Step 4**(%%): Map the Device Address to Remote ID in MQTT server.
541	541
542	542	[[image:image-20220613190635-2.png]]
543	543
544	544
545		-
546	546	(% style="color:blue" %)**Step 5: Upstream**(%%): Save the change, we can see the log info via "sytem log", End Node and MQTT Server
547	547
548	548	[[image:image-20220527141843-24.png]]
549	549
550	550
551		-
552		-
553	553	[[image:image-20220527141933-25.png]]
554	554
555	555	Choose ASCII Format
556	556
557	557
558		-
559	559	[[image:image-20220527142028-26.png]]
560	560
561	561	LHT65 Decoder
562	562
563	563
564		-
565	565	(% style="color:blue" %)**Step 6: Set up subscribe**(%%)**:** Subscribe a topci for downstream.
566	566
567	567	[[image:image-20220613191426-5.png]]
568	568
569	569
570		-
571	571	(% style="color:blue" %)**Step 7: Downstream**(%%): Save the change, we can see the log info via "sytem log", End Node and MQTT Server.
572	572
573	573	[[image:image-20220527142239-28.png]]
574	574
575	575
576		-
577	577	=== 4.5.3 MQTT Downstream format ===
578	578
579	579
...	...	@@ -588,7 +588,7 @@
588	588
589	589	(% class="box infomessage" %)
590	590	(((
591		-**mosquitto_pub -h 10.130.2.192 -p 1883 -t dragino-1d25dc/ -m "260211D,time,txt,hello,20,1,SF12,923300000,2 > /var/iot/push/test"**
	577	+**mosquitto_pub -h 10.130.2.192 -p 1883 -t dragino-1d25dc/ -m "260211D,time,txt,hello,20,1,SF12,923300000,2"**
592	592	)))
593	593
594	594	Or use [[MQTT.fx>>https://mqttfx.jensd.de/index.php/download]]
...	...	@@ -602,7 +602,6 @@
602	602	Check out this link for more mosquito-related directives [[https:~~/~~/mosquitto.org/man/mosquitto_pub-1.html>>https://mosquitto.org/man/mosquitto_pub-1.html]]
603	603
604	604
605		-
606	606	= 5.  How to Debug =
607	607
608	608