Changes for page MQTT Forward Instruction

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Content

...	...	@@ -1,19 +1,21 @@
1		-**~ Contents：**
	1	+**~ Table of Contents：**
2	2
3	3	{{toc/}}
4	4
5	5
6		-= 1. Introduction =
	6	+= 1.  Introduction =
7	7
	8	+
8	8	Dragino LoRa/LoRaWAN gateway support MQTT forwarding. It can forward the sensor data from LoRa network to MQTT server , and vice verse.
9	9
10	10
11		-== 1.1 Support Devices ==
	12	+== 1.1  Support Devices ==
12	12
	14	+
13	13	This MQTT forward instruction is for below devices:
14	14
15	15	* Firmware Version > LG02_LG08-5.3.1580178039 [[Firmware Download>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/LPS8/Firmware/Release/]]
16		-* LG01N, OLG01N ((% style="color:red" %)**Warning**(%%): LG01-P LG01-S use another instruction: [[MQTT for LG01-P/LG01S>>url:https://wiki.dragino.com/index.php/Through_MQTT_to_upload_data]])
	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]])
17	17	* LG02, OLG02
18	18	* LG308, DLOS8
19	19	* LPS8
...	...	@@ -20,8 +20,10 @@
20	20	* LIG16
21	21	* MS14 series if installed with the same firmware. (in this case, the MQTT forward will work , but no LoRa support)
22	22
23		-= 2. Firmware Change Log for MQTT feature =
24	24
	26	+= 2.  Firmware Change Log for MQTT feature =
	27	+
	28	+
25	25	(((
26	26	This instruction is wrote start from LG02_LG08-5.3.1580178039. Below is related change log since this version of firmware.
27	27	)))
...	...	@@ -29,14 +29,16 @@
29	29	* LG02_LG08-5.3.1580178039
30	30	** Initiate version
31	31
32		-= 3. MQTT forward operating principle =
33	33
34		-== 3.1 Network Structure ==
	37	+= 3.  MQTT forward operating principle =
35	35
	39	+== 3.1  Network Structure ==
	40	+
	41	+
36	36	Below shows the network structure for MQTT forwarding.
37	37
38		-* 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.
39		-* 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,
	44	+* **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.
	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.
40	40
41	41	[[image:image-20220527133547-1.png]]
42	42
...	...	@@ -43,13 +43,15 @@
43	43	General MQTT structure
44	44
45	45
46		-== 3.2 How sensor data is forwarded ==
	52	+== 3.2  How sensor data is forwarded ==
47	47
	54	+
48	48	In this MQTT forward feature, the key point is how the gateway process the sensor data.
49	49
50	50
51		-=== 3.2.1 Upstream ===
	58	+=== 3.2.1  Upstream ===
52	52
	60	+
53	53	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.
54	54
55	55	(((
...	...	@@ -60,10 +60,12 @@
60	60
61	61	(((
62	62	Upstream path
	71	+
	72	+
63	63	)))
64	64
65	65	(((
66		-Note: The sensor data can base or LoRa or other method, as long as there are data on the file /var/iot/channels. /span>
	76	+(% style="color:red" %)**Note: The sensor data can base or LoRa or other method, as long as there are data on the file /var/iot/channels. /span>**
67	67	)))
68	68
69	69	(((
...	...	@@ -70,8 +70,9 @@
70	70
71	71	)))
72	72
73		-=== 3.2.2 Downstream ===
	83	+=== 3.2.2  Downstream ===
74	74
	85	+
75	75	The gateway subscribes to a topic of the remote MQTT broker topic. When there is some one publish a value on this topic. The gateway will get it and broadcast to local LoRa Network.
76	76
77	77	(((
...	...	@@ -83,8 +83,9 @@
83	83	Downstream path
84	84
85	85
86		-== 3.3 Macro Definition ==
	97	+== 3.3  Macro Definition ==
87	87
	99	+
88	88	The MQTT publish command use Macro settings to generate flexible upstream payload for MQTT publish.
89	89
90	90	(((
...	...	@@ -93,8 +93,9 @@
93	93
94	94	)))
95	95
96		-=== 3.3.1 -t topic macro ===
	108	+=== 3.3.1  -t topic macro ===
97	97
	110	+
98	98	* CHANNEL: Remote Channel ID
99	99	* CLIENTID: Client ID , Same as -i
100	100	* WRITE_API: Remote Channel Write API
...	...	@@ -102,8 +102,9 @@
102	102	* HOSTNAME: Device Hostname
103	103
104	104
105		-=== 3.3.2 -m message macro ===
	118	+=== 3.3.2  -m message macro ===
106	106
	120	+
107	107	* HOSTNAME: Device Hostname
108	108	* CHANNEL: Remote Channel ID
109	109	* DATA: Sensor Data without time stamp and rssi
...	...	@@ -111,14 +111,16 @@
111	111	* JSON: Convert META to json format.
112	112
113	113
114		-=== 3.3.3 Example for Macro ===
	128	+=== 3.3.3  Example for Macro ===
115	115
	130	+
116	116	[[image:image-20220527134251-4.png]]
117	117
118	118	MQTT Publish configure
119	119
120		-Above screen shots shows below format:
121	121
	136	+**Above screen shots shows below format:**
	137	+
122	122	* -t: CLIENTID/CHANNEL/data
123	123	* -m: DATA
124	124
...	...	@@ -128,13 +128,15 @@
128	128
129	129	Sensor Data
130	130
	147	+
131	131	(((
132	132	According to above macro. Gateway will publish (% style="color:#4f81bd" %)**field1=22.0&field2=49.0**(%%) to topic: (% style="color:#4f81bd" %)**dragino-1b7060/78901/data**(%%), where 78901 is the remote channel for this node ID.
133	133	)))
134	134
135	135
136		-== 3.4 Modify the MQTT to support more options ==
	153	+== 3.4  Modify the MQTT to support more options ==
137	137
	155	+
138	138	The MQTT Client Utility used in Dragino is **mosquitto_pub** and **mosquitto_sub**. User can add more options to the mqtt commands. User can check the valid options by command mosquitto_pub ~-~-help. as below:
139	139
140	140	(% class="box" %)
...	...	@@ -152,9 +152,9 @@
152	152	[-u username [-P password]]
153	153	[~-~-will-topic [~-~-will-payload payload] [~-~-will-qos qos] [~-~-will-retain]]
154	154	[{~-~-cafile file | ~-~-capath dir} [~-~-cert file] [~-~-key file]
155		- [~-~-ciphers ciphers] [~-~-insecure]
156		- [~-~-tls-alpn protocol]
157		- [~-~-tls-engine engine] [~-~-keyform keyform] [~-~-tls-engine-kpass-sha1]]
	173	+ [~-~-ciphers ciphers] [~-~-insecure]
	174	+ [~-~-tls-alpn protocol]
	175	+ [~-~-tls-engine engine] [~-~-keyform keyform] [~-~-tls-engine-kpass-sha1]]
158	158	[~-~-psk hex-key ~-~-psk-identity identity [~-~-ciphers ciphers]]
159	159	[~-~-proxy socks-url]
160	160	[~-~-property command identifier value]
...	...	@@ -188,7 +188,7 @@
188	188	~-~-help : display this message.
189	189	~-~-repeat : if publish mode is -f, -m, or -s, then repeat the publish N times.
190	190	~-~-repeat-delay : if using ~-~-repeat, wait time seconds between publishes. Defaults to 0.
191		-~-~-quiet : (% class="mark" %)don't print error messages.
	209	+~-~-quiet : (% style="color:red" %)don't print error messages.
192	192	~-~-will-payload : payload for the client Will, which is sent by the broker in case of
193	193	unexpected disconnection. If not given and will-topic is set, a zero
194	194	length message will be sent.
...	...	@@ -226,7 +226,7 @@
226	226
227	227	(% class="box" %)
228	228	(((
229		-# Call MQTT Publish command
	247	+//# Call MQTT Publish command
230	230	\\# 1. Case with User, Password and Client ID present  (e.g. Azure)
231	231	if [ ! -z "$pass" ] && [ ! -z "$user" ] && [ ! -z "$clientID" ]; then
232	232	case="1"
...	...	@@ -253,20 +253,23 @@
253	253	mosquitto_pub $D -h $server -p $port -q $pub_qos  -t $pub_topic -u $user -P "$pass" $PUB_FLAG "$mqtt_data"
254	254	\\# 0. Else - invalid parameters, just log
255	255	else
256		-case="Invalid parameters"
257		-logger "[IoT.MQTT]:Invalid Parameters - mosquitto_pub not called."
258		-fi
	274	+case="(% style="color:red" %)Invalid parameters" (%%)
	275	+logger (% style="color:red" %)"[IoT.MQTT]:Invalid Parameters - mosquitto_pub not called."(%%)
	276	+fi//
259	259	)))
260	260
261	261
262		-= 4. Example to communicate to a simple MQTT server =
	280	+= 4.  Example to communicate to a simple MQTT server =
263	263
264		-== 4.1 Overview ==
	282	+== 4.1  Overview ==
265	265
	284	+
266	266	This section is an example to show how to set up LG01-N to communicate with a MQTT server. The MQTT server is a simple utility set up in a local PC. Note: User can set up same server via [[this instruction>>url:http://www.steves-internet-guide.com/install-mosquitto-broker/]].
267	267
268		-== 4.2 Simulate via MQTT.fx utility ==
269	269
	288	+== 4.2  Simulate via MQTT.fx utility ==
	289	+
	290	+
270	270	The [[MQTT.fx>>url:http://mqttfx.jensd.de/index.php/download]] is a MQTT client tool. We can use this to simulate a MQTT connection to our MQTT broker first to make sure the MQTT broker works. This will also help us understand how it works.
271	271
272	272	(((
...	...	@@ -273,31 +273,34 @@
273	273	In this test, the MQTT broker and MQTT.fx are installed in the same PC, so the MQTT server address in MQTT.fx should be localhost. Below shows how to connect to the server.
274	274	)))
275	275
276		-[[image:https://wiki.dragino.com/images/thumb/0/06/MQTT_Forward_4.png/600px-MQTT_Forward_4.png||height="201" width="600"]]
	297	+[[image:image-20220527134929-6.png]]
277	277
278	278	Connect to MQTT Broker
279	279
	301	+
280	280	After connected, use publish to public some thing to MQTT server. This to simulate upsteam
281	281
282		-[[image:https://wiki.dragino.com/images/thumb/b/bd/MQTT_Forward_5.png/600px-MQTT_Forward_5.png||height="149" width="600"]]
	304	+[[image:image-20220527135037-7.png]]
283	283
284	284	Upstream: Publish message to MQTT Broker
285	285
	308	+
286	286	To simulate a downstream, use MQTT.fx to subscribe a topic, and publish something to this topic. as Below:
287	287
288		-[[image:https://wiki.dragino.com/images/thumb/3/3d/MQTT_Forward_6.png/600px-MQTT_Forward_6.png||height="279" width="600"]]
	311	+[[image:image-20220527135215-8.png]]
289	289
290	290	Downstream: Subscribe a topic to get downstream
291	291
292	292
293		-== 4.3 Simulate via Dragino Command Line ==
	316	+== 4.3  Simulate via Dragino Command Line ==
294	294
	318	+
295	295	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.
296	296
297	297	In the Dragino Gateway, we use [[mosquitto client>>url:https://mosquitto.org/]] for MQTT connection.
298	298
299	299
300		-(% class="mark" %)**For Upstream**
	324	+(% style="color:blue" %)**For Upstream**
301	301
302	302	command is [[mosquitto_pub>>url:https://mosquitto.org/man/mosquitto_pub-1.html]]
303	303
...	...	@@ -305,63 +305,68 @@
305	305
306	306	Note: 192.168.199.148 is MQTT broker address, the gateway and the MQTT broker PC are in the same network.
307	307
308		-[[image:https://wiki.dragino.com/images/thumb/d/d0/MQTT_Command_6.png/600px-MQTT_Command_6.png||height="188" width="600"]]
	332	+[[image:image-20220527135310-9.png]]
309	309
310	310	mosquitto_pub
311	311
312	312
313		-(% class="mark" %)**For Downstream**
	337	+(% style="color:blue" %)**For Downstream**
314	314
315	315	Use [[mosquitto_sub>>url:https://mosquitto.org/man/mosquitto_sub-1.html]] to subscribe the change on the topic.
316	316
317		-[[image:https://wiki.dragino.com/images/thumb/8/89/MQTT_Command_7.png/600px-MQTT_Command_7.png||height="267" width="600"]]
	341	+[[image:image-20220527135440-10.png]]
318	318
319	319	mosquitto_sub
320	320
321	321
322		-== 4.4 Configure Dragino UI for MQTT connection ==
	346	+== 4.4  Configure Dragino UI for MQTT connection ==
323	323
	348	+
324	324	This chapter are step by step to show to configure the Dragino Menu for MQTT auto connection.
325	325
326	326	(((
327		-Go to (% class="mark" %)**Dragino Menu ~-~-> MQTT Client**
	352	+Go to (% style="color:#4f81bd" %)**Dragino Menu ~-~-> MQTT Client**
328	328	)))
329	329
330		-[[image:https://wiki.dragino.com/images/thumb/b/bc/MQTT_Command_8.png/600px-MQTT_Command_8.png||height="249" width="600"]]
	355	+[[image:image-20220714155901-1.png]]
331	331
332	332	go to mqtt configure menu
333	333
	359	+
334	334	(((
335		-Select **Forward to MQTT server**. (% class="mark" %)**Notice**(%%): This option is removed from the latest firmware, in the latest firmware, if user submit "SAVE & APPLY" in MQTT page, the gateway will use MQTT service.
	361	+Select (% style="color:#4f81bd" %)**Forward to MQTT server**. (% style="color:red" %)**Notice**(%%): This option is removed from the latest firmware, in the latest firmware, if user submit "SAVE & APPLY" in MQTT page, the gateway will use MQTT service.
336	336	)))
337	337
338		-[[image:https://wiki.dragino.com/images/thumb/1/14/MQTT_Commands_8.png/600px-MQTT_Commands_8.png||height="240" width="600"]]
	364	+[[image:image-20220527135742-11.png]]
339	339
340	340	forward to MQTT
341	341
342	342
343		-=== 4.4.1 Configure the MQTT Client for Upstream ===
	369	+=== 4.4.1  Configure the MQTT Client for Upstream ===
344	344
345		-Below screenshot is same as the publish command:
346	346
	372	+**Below screenshot is same as the publish command:**
	373	+
347	347	(% class="box" %)
348	348	(((
349		-mosquitto_pub -h 192.168.199.148 -p 1883 -i dragino-1b7060 -t CLIENTID/CHANNEL/data -m DATA
	376	+**mosquitto_pub -h 192.168.199.148 -p 1883 -i dragino-1b7060 -t CLIENTID/CHANNEL/data -m DATA
350	350	~/~/where the CLIENTID, CHANNEL & DATA are macro. represent for
351	351	~/~/CLIENTID: dragino-1b7060
352	352	~/~/CHANNEL: Remote ID in Channel settings; here is 78901 or 567456
353		-~/~/DATA: The data stores in /var/iot/channels/
	380	+~/~/DATA: The data stores in /var/iot/channels/**
354	354	)))
355	355
356		-[[image:https://wiki.dragino.com/images/thumb/c/c7/MQTT_Command_9.png/600px-MQTT_Command_9.png||height="385" width="600"]]
357	357
	384	+[[image:image-20220527135828-12.png]]
	385	+
358	358	MQTT Publish configure
359	359
360	360
361		-[[image:https://wiki.dragino.com/images/thumb/b/b7/MQTT_Command_10.png/600px-MQTT_Command_10.png||height="544" width="600"]]
	389	+[[image:image-20220527135929-13.png]]
362	362
363	363	MQTT Channel settings
364	364
	393	+
365	365	(((
366	366	For example, if we put a data(temp=46) on the file /var/iot/channels/4567, because 4567 match the remote channel 78901. the gateway will run this command:
367	367	)))
...	...	@@ -380,13 +380,14 @@
380	380	Below is a simulation to put this data to active the MQTT publish.
381	381	)))
382	382
383		-[[image:https://wiki.dragino.com/images/thumb/3/30/MQTT_Command_11.png/600px-MQTT_Command_11.png||height="308" width="600"]]
	412	+[[image:image-20220527140023-14.png]]
384	384
385	385	MQTT Publish
386	386
387	387
388		-=== 4.4.2 Configure the MQTT Client for Downstream ===
	417	+=== 4.4.2  Configure the MQTT Client for Downstream ===
389	389
	419	+
390	390	Below screen shot equal to this subscribe command:
391	391
392	392	(% class="box" %)
...	...	@@ -394,7 +394,7 @@
394	394	mosquitto_sub -h 192.168.199.148 -p 1883 -i dragino-1b7060 -t command.
395	395	)))
396	396
397		-[[image:https://wiki.dragino.com/images/3/36/MQTT_Command_12.png||height="173" width="579"]]
	427	+[[image:image-20220527140100-15.png]]
398	398
399	399	MQTT Subscribe
400	400
...	...	@@ -403,7 +403,7 @@
403	403	When MQTT broker receive a update on this topic, the gateway will get the update and use LoRa radio to broadcast this message. The LoRa parameters used for update is:
404	404	)))
405	405
406		-[[image:https://wiki.dragino.com/images/thumb/b/b8/MQTT_Command_13.png/600px-MQTT_Command_13.png||height="300" width="600"]]
	436	+[[image:image-20220527140148-16.png]]
407	407
408	408	LoRa Broadcast parameters.
409	409
...	...	@@ -410,17 +410,21 @@
410	410
411	411	And below is the subscribe simulation:
412	412
413		-[[image:https://wiki.dragino.com/images/thumb/6/60/MQTT_Command_14.png/600px-MQTT_Command_14.png||height="255" width="600"]]
	443	+[[image:image-20220527140238-17.png]]
414	414
415	415	downstream simulation
416	416
417	417
418		-== 4.5 Add LoRa support to communicate with remote sensor ==
	448	+== 4.5  Add LoRa support to communicate with remote sensor ==
419	419
	450	+
420	420	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.
421	421
422		-=== 4.5.1 Use LoRa Raw protocol for communication ~-~- For LG01/LG02 ===
423	423
	454	+
	455	+=== 4.5.1  Use LoRa Raw protocol for communication ~-~- For LG01/LG02 ===
	456	+
	457	+
424	424	(((
425	425	We can use [[LoRa Shield>>url:http://www.dragino.com/products/lora/item/102-lora-shield.html]] to send LoRa Raw data to Gateway and receive data from gateway.
426	426	)))
...	...	@@ -431,6 +431,8 @@
431	431
432	432	(((
433	433	And this link is the required library: [[arduino-LoRa-master>>url:http://www.dragino.com/downloads/index.php?dir=LoraShield/]]. Unzip this library and put in Arduino library location.
	468	+
	469	+
434	434	)))
435	435
436	436	(((
...	...	@@ -441,7 +441,7 @@
441	441	* Downstream: Listening broadcast message from gateway, and print it in console.
442	442	* The LoRa parameter settings in Arduino should match the LoRa settings in gateway, as below:
443	443
444		-[[image:https://wiki.dragino.com/images/thumb/3/3b/MQTT_Command_17.png/600px-MQTT_Command_17.png||height="197" width="600"]]
	480	+[[image:image-20220527140354-18.png]]
445	445
446	446	LoRa Parameter should match
447	447
...	...	@@ -448,35 +448,39 @@
448	448
449	449	Below is the test result after the Arduino Sketch is running.
450	450
451		-[[image:https://wiki.dragino.com/images/thumb/6/63/MQTT_Command_18.png/600px-MQTT_Command_18.png||height="319" width="600"]]
	487	+[[image:image-20220527140459-19.png]]
452	452
453	453	Upstream Data Flow
454	454
455		-[[image:https://wiki.dragino.com/images/thumb/1/18/MQTT_Command_19.png/600px-MQTT_Command_19.png||height="309" width="600"]]
456	456
	492	+[[image:image-20220527140542-20.png]]
	493	+
457	457	Downstream Data Flow
458	458
459	459
460		-=== 4.5.2 Use LoRaWAN Protocol for communication ~-~- For LG308/LPS8/DLOS8 ===
	497	+=== 4.5.2  Use LoRaWAN Protocol for communication ~-~- For LG308/LPS8/DLOS8 ===
461	461
	499	+
462	462	(((
463		-Since firmware (% class="mark" %)**LG02_LG08~-~-build-v5.3.1585192026-20200326-1109,**(%%) Dragino LoRaWAN gateways support the communication to LoRaWAN (% class="mark" %)**ABP end node**(%%) locally without the need of LoRaWAN server. This feature allow us to integrate MQTT in the gateway to support LoRaWAN to MQTT forwarding or visa verse.
	501	+Since firmware (% style="color:#4f81bd" %)**LG02_LG08~-~-build-v5.3.1585192026-20200326-1109,**(%%) Dragino LoRaWAN gateways support the communication to LoRaWAN (% style="color:#4f81bd" %)**ABP end node**(%%) locally without the need of LoRaWAN server. This feature allow us to integrate MQTT in the gateway to support LoRaWAN to MQTT forwarding or visa verse.
464	464	)))
465	465
466	466	(((
467		-When use test this feature, please use the version higher then : (% class="mark" %)**LG02_LG08~-~-build-v5.4.1593400722-20200629-1120**(%%), in this version, the upload format is changed and readable, which is easier for integration.
468		-(% class="mark" %)**Video Instruction**(%%):[[https:~~/~~/youtu.be/qJTY441-t90>>url:https://youtu.be/qJTY441-t90]]
	505	+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.
	506	+
	507	+
	508	+(% style="color:blue" %)**Video Instruction**(%%): (% style="color:blue" %)[[https:~~/~~/youtu.be/qJTY441-t90>>url:https://youtu.be/qJTY441-t90]]
469	469	)))
470	470
471	471	(((
472		-**Step 1**: Refer [[Communicate with ABP End Node>>url:https://wiki.dragino.com/index.php/Communication_with_ABP_End_Node]] 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.
473	473	)))
474	474
475	475	(((
476		-**Step 2**: Make sure your Radio settings match the End Node settings.
	516	+(% style="color:blue" %)**Step 2**(%%): Make sure your Radio settings match the End Node settings.
477	477	)))
478	478
479		-[[image:https://wiki.dragino.com/images/thumb/f/f7/LG308_MQTT_5.png/600px-LG308_MQTT_5.png||height="387" width="600"]]
	519	+[[image:image-20220527141235-21.png]]
480	480
481	481	Use Same Frequency Band as End Node
482	482
...	...	@@ -483,86 +483,80 @@
483	483
484	484	(((
485	485	(((
486		-**Step 3**: Set up publish format and MQTT channel. The LG308 will store the Data from End node in HEX format in the file. And we need to config the format to META
	526	+(% style="color:blue" %)**Step 3**(%%): Set up publish format and MQTT channel. The LG308 will store the Data from End node in (% style="color:#4f81bd" %)**HEX format**(%%) in the file.
487	487	)))
488	488	)))
489	489
490		-[[image:https://wiki.dragino.com/images/thumb/8/8d/LG308_MQTT_3.png/600px-LG308_MQTT_3.png||height="385" width="600"]]
	530	+[[image:image-20220613191345-4.png]]
491	491
492		-Publish mush use META as data format for LG308
493	493
	533	+(% style="color:blue" %)**Step 4**(%%): Map the Device Address to Remote ID in MQTT server.
494	494
495		-**Step 4**: Map the Device Address to Remote ID in MQTT server.
	535	+[[image:image-20220613190635-2.png]]
496	496
497		-[[image:https://wiki.dragino.com/images/thumb/7/7f/LG308_MQTT_4.png/600px-LG308_MQTT_4.png||height="335" width="600"]]
498	498
499		-Map Dev Addr to remote ID
	538	+(% style="color:blue" %)**Step 5: Upstream**(%%): Save the change, we can see the log info via "sytem log", End Node and MQTT Server
500	500
	540	+[[image:image-20220527141843-24.png]]
501	501
502		-**Step 5: Upstream**: Save the change, we can see the log info via "sytem log", End Node and MQTT Server
503	503
504		-[[image:https://wiki.dragino.com/images/thumb/b/be/LG308_MQTT_6.png/600px-LG308_MQTT_6.png||height="279" width="600"]]
	543	+[[image:image-20220527141933-25.png]]
505	505
506		-Upstream Process
507		-
508		-[[image:https://wiki.dragino.com/images/thumb/0/07/LG308_MQTT_6_1.png/600px-LG308_MQTT_6_1.png||height="246" width="600"]]
509		-
510	510	Choose ASCII Format
511	511
512		-[[image:https://wiki.dragino.com/images/thumb/a/a3/LG308_MQTT_6_2.png/600px-LG308_MQTT_6_2.png||height="248" width="600"]]
513	513
	548	+[[image:image-20220527142028-26.png]]
	549	+
514	514	LHT65 Decoder
515	515
516	516
517		-**Step 6: Set up subscribe:** Subscribe a topci for downstream.
	553	+(% style="color:blue" %)**Step 6: Set up subscribe**(%%)**:** Subscribe a topci for downstream.
518	518
519		-[[image:https://wiki.dragino.com/images/thumb/b/b9/LG308_MQTT_7.png/600px-LG308_MQTT_7.png||height="176" width="600"]]
	555	+[[image:image-20220613191426-5.png]]
520	520
521		-Subscribe to a topic
522	522
	558	+(% style="color:blue" %)**Step 7: Downstream**(%%): Save the change, we can see the log info via "sytem log", End Node and MQTT Server.
523	523
524		-**Step 7**: Downstream: Save the change, we can see the log info via "sytem log", End Node and MQTT Server.
	560	+[[image:image-20220527142239-28.png]]
525	525
526		-[[image:https://wiki.dragino.com/images/thumb/9/97/LG308_MQTT_8.png/600px-LG308_MQTT_8.png||height="298" width="600"]]
527	527
528		-Downstream Flow
	563	+=== 4.5.3 MQTT Downstream format ===
529	529
530		-(% class="mark" %)**Notice: The text use for Downstream must meet the requirement from [[LG308 Downstream Payload>>url:https://wiki.dragino.com/index.php/Communication_with_ABP_End_Node#Downstream]]**
531	531
	566	+mosquitto_pub -h $server_address -p $server_port -t $Client_ID -m "**dev_addr,imme/time,txt/hex,payload**"
532	532
533		-= 5. Example For Different MQTT Servers =
	568	+(% class="box infomessage" %)
	569	+(((
	570	+**mosquitto_pub -h 10.130.2.192 -p 1883 -t dragino-1d25dc/ -m "260211D,time,txt,hello"**
	571	+)))
534	534
535		-(% style="width:731.222px" %)
536		-|=(% style="width: 270px;" %)(((
537		-[[image:https://wiki.dragino.com/images/thumb/7/73/ThingSpeak1.png/200px-ThingSpeak1.png||alt="ThingSpeak1.png" height="114" width="233"]]
	573	+mosquitto_pub -h $server_address -p $server_port -t $Client_ID -m "**dev_addr,imme/time,txt/hex,payload,txpw,txbw,SF,frequency,rxwindow**"
538	538
539		-== [[ThingSpeak Server>>url:http://www.thingspeak.com/]] ==
	575	+(% class="box infomessage" %)
	576	+(((
	577	+**mosquitto_pub -h 10.130.2.192 -p 1883 -t dragino-1d25dc/ -m "260211D,time,txt,hello,20,1,SF12,923300000,2"**
	578	+)))
540	540
	580	+Or use [[MQTT.fx>>https://mqttfx.jensd.de/index.php/download]]
541	541
542		-[[Examples>>url:https://wiki.dragino.com/index.php/ThingSpeak_Examples]]
543		-)))|=(% style="width: 242px;" %)(((
544		-[[image:https://wiki.dragino.com/images/thumb/3/3b/Lewei50.png/200px-Lewei50.png||alt="Lewei50.png" height="65" width="223"]]
	582	+[[image:image-20220613192816-6.png||height="440" width="1056"]]
545	545
546	546
547		-== [[乐联网平台>>url:https://www.lewei50.com/]] ==
	585	+(% style="color:red" %)**Notice: The text use for Downstream must meet the requirement from [[LG308 Downstream Payload>>Communicate with ABP End Node without LoRaWAN Network Server --- LG308||anchor="H2.2Downstream"]]**
548	548
549	549
550		-[[lewei Example>>url:https://wiki.dragino.com/index.php/Lewei_Example_mqtt]]
551		-)))|=(% style="width: 214px;" %)(((
552		-[[image:https://wiki.dragino.com/images/thumb/a/aa/AWS-IOT.png/200px-AWS-IOT.png||alt="AWS-IOT.png" height="112" width="183"]]
	588	+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]]
553	553
554		-== [[AWS-IOT>>url:https://aws.amazon.com/cn/iot-platform/how-it-works/]] ==
555	555
	591	+= 5.  How to Debug =
556	556
557		-[[AWS Examples>>url:https://wiki.dragino.com/index.php/MQTT_Forward_to_Amazon_AWS-IOT]]
558		-)))
559	559
560		-= 6. How to Debug =
	594	+User can login the gateway's console and run (% style="color:#4f81bd" %)**logread -f**(%%). It will shows the output when there is packet arrive.User can see if it is correct.
561	561
562		-User can login the gateway's console and run (% class="mark" %)**logread -f**(%%). It will shows the output when there is packet arrive.User can see if it is correct.
563	563
564		-= 7. How to ask for Support =
	597	+= 6.  How to ask for Support =
565	565
	599	+
566	566	If a user still not have trouble making it works. please send a mail to support@dragino.com with the below info:
567	567
568	568	* Detail of your LoRaWAN end node.

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