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:Through MQTT to upload data.WebHome]])
17	17	* LG02, OLG02
18	18	* LG308, DLOS8
19	19	* LPS8
...	...	@@ -20,8 +20,11 @@
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	+
	27	+= 2.  Firmware Change Log for MQTT feature =
	28	+
	29	+
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 +29,18 @@
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 ==
35	35
	39	+= 3.  MQTT forward operating principle =
	40	+
	41	+
	42	+== 3.1  Network Structure ==
	43	+
	44	+
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,
	47	+* **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.
	48	+* **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
...	...	@@ -43,12 +43,13 @@
43	43	General MQTT structure
44	44
45	45
46		-== 3.2 How sensor data is forwarded ==
	55	+== 3.2  How sensor data is forwarded ==
47	47
	57	+
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 ===
	61	+=== 3.2.1  Upstream ===
52	52
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
...	...	@@ -60,10 +60,12 @@
60	60
61	61	(((
62	62	Upstream path
	73	+
	74	+
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>
	78	+(% 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 ===
	85	+=== 3.2.2  Downstream ===
74	74
	87	+
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	(((
...	...	@@ -83,16 +83,20 @@
83	83	Downstream path
84	84
85	85
86		-== 3.3 Macro Definition ==
	99	+== 3.3  Macro Definition ==
87	87
	101	+
88	88	The MQTT publish command use Macro settings to generate flexible upstream payload for MQTT publish.
89	89
90	90	(((
91	91	Currently the (% style="color:#4f81bd" %)**-t (topic)**(%%) and (% style="color:#4f81bd" %)**-m (message)**(%%) support Macros.
	106	+
	107	+
92	92	)))
93	93
94		-=== 3.3.1 -t topic macro ===
	110	+=== 3.3.1  -t topic macro ===
95	95
	112	+
96	96	* CHANNEL: Remote Channel ID
97	97	* CLIENTID: Client ID , Same as -i
98	98	* WRITE_API: Remote Channel Write API
...	...	@@ -99,8 +99,12 @@
99	99	* USERNAME: User ID (-u)
100	100	* HOSTNAME: Device Hostname
101	101
102		-=== 3.3.2 -m message macro ===
103	103
	120	+
	121	+
	122	+=== 3.3.2  -m message macro ===
	123	+
	124	+
104	104	* HOSTNAME: Device Hostname
105	105	* CHANNEL: Remote Channel ID
106	106	* DATA: Sensor Data without time stamp and rssi
...	...	@@ -107,30 +107,38 @@
107	107	* META: Completely sensor data with time stamp and rssi
108	108	* JSON: Convert META to json format.
109	109
110		-=== 3.3.3 Example for Macro ===
111	111
112		-[[image:https://wiki.dragino.com/images/thumb/c/c7/MQTT_Command_9.png/600px-MQTT_Command_9.png||height="385" width="600"]]
113	113
	133	+
	134	+=== 3.3.3  Example for Macro ===
	135	+
	136	+
	137	+[[image:image-20220527134251-4.png]]
	138	+
114	114	MQTT Publish configure
115	115
116		-Above screen shots shows below format:
117	117
	142	+**Above screen shots shows below format:**
	143	+
118	118	* -t: CLIENTID/CHANNEL/data
119	119	* -m: DATA
120	120
121	121	When there is a LoRa sensor arrive. it will be store at the /var/iot/channels as below:
122	122
123		-[[image:https://wiki.dragino.com/images/thumb/c/c4/MQTT_Command_20.png/600px-MQTT_Command_20.png||height="325" width="600"]]
	149	+[[image:image-20220527134332-5.png]]
124	124
125	125	Sensor Data
126	126
	153	+
127	127	(((
128		-According to above macro. Gateway will publish (% class="mark" %)**field1=22.0&field2=49.0**(%%) to topic: (% class="mark" %)**dragino-1b7060/78901/data**(%%), where 78901 is the remote channel for this node ID.
	155	+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.
129	129	)))
130	130
131	131
132		-== 3.4 Modify the MQTT to support more options ==
133	133
	160	+== 3.4  Modify the MQTT to support more options ==
	161	+
	162	+
134	134	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:
135	135
136	136	(% class="box" %)
...	...	@@ -148,9 +148,9 @@
148	148	[-u username [-P password]]
149	149	[~-~-will-topic [~-~-will-payload payload] [~-~-will-qos qos] [~-~-will-retain]]
150	150	[{~-~-cafile file | ~-~-capath dir} [~-~-cert file] [~-~-key file]
151		- [~-~-ciphers ciphers] [~-~-insecure]
152		- [~-~-tls-alpn protocol]
153		- [~-~-tls-engine engine] [~-~-keyform keyform] [~-~-tls-engine-kpass-sha1]]
	180	+ [~-~-ciphers ciphers] [~-~-insecure]
	181	+ [~-~-tls-alpn protocol]
	182	+ [~-~-tls-engine engine] [~-~-keyform keyform] [~-~-tls-engine-kpass-sha1]]
154	154	[~-~-psk hex-key ~-~-psk-identity identity [~-~-ciphers ciphers]]
155	155	[~-~-proxy socks-url]
156	156	[~-~-property command identifier value]
...	...	@@ -184,7 +184,7 @@
184	184	~-~-help : display this message.
185	185	~-~-repeat : if publish mode is -f, -m, or -s, then repeat the publish N times.
186	186	~-~-repeat-delay : if using ~-~-repeat, wait time seconds between publishes. Defaults to 0.
187		-~-~-quiet : (% class="mark" %)don't print error messages.
	216	+~-~-quiet : (% style="color:red" %)don't print error messages.
188	188	~-~-will-payload : payload for the client Will, which is sent by the broker in case of
189	189	unexpected disconnection. If not given and will-topic is set, a zero
190	190	length message will be sent.
...	...	@@ -222,7 +222,7 @@
222	222
223	223	(% class="box" %)
224	224	(((
225		-# Call MQTT Publish command
	254	+//# Call MQTT Publish command
226	226	\\# 1. Case with User, Password and Client ID present  (e.g. Azure)
227	227	if [ ! -z "$pass" ] && [ ! -z "$user" ] && [ ! -z "$clientID" ]; then
228	228	case="1"
...	...	@@ -249,20 +249,25 @@
249	249	mosquitto_pub $D -h $server -p $port -q $pub_qos  -t $pub_topic -u $user -P "$pass" $PUB_FLAG "$mqtt_data"
250	250	\\# 0. Else - invalid parameters, just log
251	251	else
252		-case="Invalid parameters"
253		-logger "[IoT.MQTT]:Invalid Parameters - mosquitto_pub not called."
254		-fi
	281	+case="(% style="color:red" %)Invalid parameters" (%%)
	282	+logger (% style="color:red" %)"[IoT.MQTT]:Invalid Parameters - mosquitto_pub not called."(%%)
	283	+fi//
255	255	)))
256	256
257	257
258		-= 4. Example to communicate to a simple MQTT server =
259	259
260		-== 4.1 Overview ==
	288	+= 4.  Example to communicate to a simple MQTT server =
261	261
	290	+
	291	+== 4.1  Overview ==
	292	+
	293	+
262	262	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/]].
263	263
264		-== 4.2 Simulate via MQTT.fx utility ==
265	265
	297	+== 4.2  Simulate via MQTT.fx utility ==
	298	+
	299	+
266	266	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.
267	267
268	268	(((
...	...	@@ -269,31 +269,34 @@
269	269	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.
270	270	)))
271	271
272		-[[image:https://wiki.dragino.com/images/thumb/0/06/MQTT_Forward_4.png/600px-MQTT_Forward_4.png||height="201" width="600"]]
	306	+[[image:image-20220527134929-6.png]]
273	273
274	274	Connect to MQTT Broker
275	275
	310	+
276	276	After connected, use publish to public some thing to MQTT server. This to simulate upsteam
277	277
278		-[[image:https://wiki.dragino.com/images/thumb/b/bd/MQTT_Forward_5.png/600px-MQTT_Forward_5.png||height="149" width="600"]]
	313	+[[image:image-20220527135037-7.png]]
279	279
280	280	Upstream: Publish message to MQTT Broker
281	281
	317	+
282	282	To simulate a downstream, use MQTT.fx to subscribe a topic, and publish something to this topic. as Below:
283	283
284		-[[image:https://wiki.dragino.com/images/thumb/3/3d/MQTT_Forward_6.png/600px-MQTT_Forward_6.png||height="279" width="600"]]
	320	+[[image:image-20220527135215-8.png]]
285	285
286	286	Downstream: Subscribe a topic to get downstream
287	287
288	288
289		-== 4.3 Simulate via Dragino Command Line ==
290	290
	326	+== 4.3  Simulate via Dragino Command Line ==
	327	+
291	291	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.
292	292
293	293	In the Dragino Gateway, we use [[mosquitto client>>url:https://mosquitto.org/]] for MQTT connection.
294	294
295	295
296		-(% class="mark" %)**For Upstream**
	333	+(% style="color:blue" %)**For Upstream**
297	297
298	298	command is [[mosquitto_pub>>url:https://mosquitto.org/man/mosquitto_pub-1.html]]
299	299
...	...	@@ -301,16 +301,17 @@
301	301
302	302	Note: 192.168.199.148 is MQTT broker address, the gateway and the MQTT broker PC are in the same network.
303	303
304		-[[image:https://wiki.dragino.com/images/thumb/d/d0/MQTT_Command_6.png/600px-MQTT_Command_6.png||height="188" width="600"]]
	341	+[[image:image-20220527135310-9.png]]
305	305
306	306	mosquitto_pub
307	307
308	308
309		-(% class="mark" %)**For Downstream**
310	310
	347	+(% style="color:blue" %)**For Downstream**
	348	+
311	311	Use [[mosquitto_sub>>url:https://mosquitto.org/man/mosquitto_sub-1.html]] to subscribe the change on the topic.
312	312
313		-[[image:https://wiki.dragino.com/images/thumb/8/89/MQTT_Command_7.png/600px-MQTT_Command_7.png||height="267" width="600"]]
	351	+[[image:image-20220527135440-10.png]]
314	314
315	315	mosquitto_sub
316	316
...	...	@@ -320,7 +320,7 @@
320	320	This chapter are step by step to show to configure the Dragino Menu for MQTT auto connection.
321	321
322	322	(((
323		-Go to (% class="mark" %)**Dragino Menu ~-~-> MQTT Client**
	361	+Go to (% style="color:#4f81bd" %)**Dragino Menu ~-~-> MQTT Client**
324	324	)))
325	325
326	326	[[image:https://wiki.dragino.com/images/thumb/b/bc/MQTT_Command_8.png/600px-MQTT_Command_8.png||height="249" width="600"]]
...	...	@@ -327,11 +327,12 @@
327	327
328	328	go to mqtt configure menu
329	329
	368	+
330	330	(((
331		-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.
	370	+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.
332	332	)))
333	333
334		-[[image:https://wiki.dragino.com/images/thumb/1/14/MQTT_Commands_8.png/600px-MQTT_Commands_8.png||height="240" width="600"]]
	373	+[[image:image-20220527135742-11.png]]
335	335
336	336	forward to MQTT
337	337
...	...	@@ -349,15 +349,16 @@
349	349	~/~/DATA: The data stores in /var/iot/channels/
350	350	)))
351	351
352		-[[image:https://wiki.dragino.com/images/thumb/c/c7/MQTT_Command_9.png/600px-MQTT_Command_9.png||height="385" width="600"]]
	391	+[[image:image-20220527135828-12.png]]
353	353
354	354	MQTT Publish configure
355	355
356	356
357		-[[image:https://wiki.dragino.com/images/thumb/b/b7/MQTT_Command_10.png/600px-MQTT_Command_10.png||height="544" width="600"]]
	396	+[[image:image-20220527135929-13.png]]
358	358
359	359	MQTT Channel settings
360	360
	400	+
361	361	(((
362	362	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:
363	363	)))
...	...	@@ -376,7 +376,7 @@
376	376	Below is a simulation to put this data to active the MQTT publish.
377	377	)))
378	378
379		-[[image:https://wiki.dragino.com/images/thumb/3/30/MQTT_Command_11.png/600px-MQTT_Command_11.png||height="308" width="600"]]
	419	+[[image:image-20220527140023-14.png]]
380	380
381	381	MQTT Publish
382	382
...	...	@@ -390,7 +390,7 @@
390	390	mosquitto_sub -h 192.168.199.148 -p 1883 -i dragino-1b7060 -t command.
391	391	)))
392	392
393		-[[image:https://wiki.dragino.com/images/3/36/MQTT_Command_12.png||height="173" width="579"]]
	433	+[[image:image-20220527140100-15.png]]
394	394
395	395	MQTT Subscribe
396	396
...	...	@@ -399,7 +399,7 @@
399	399	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:
400	400	)))
401	401
402		-[[image:https://wiki.dragino.com/images/thumb/b/b8/MQTT_Command_13.png/600px-MQTT_Command_13.png||height="300" width="600"]]
	442	+[[image:image-20220527140148-16.png]]
403	403
404	404	LoRa Broadcast parameters.
405	405
...	...	@@ -406,7 +406,7 @@
406	406
407	407	And below is the subscribe simulation:
408	408
409		-[[image:https://wiki.dragino.com/images/thumb/6/60/MQTT_Command_14.png/600px-MQTT_Command_14.png||height="255" width="600"]]
	449	+[[image:image-20220527140238-17.png]]
410	410
411	411	downstream simulation
412	412
...	...	@@ -415,6 +415,7 @@
415	415
416	416	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.
417	417
	458	+
418	418	=== 4.5.1 Use LoRa Raw protocol for communication ~-~- For LG01/LG02 ===
419	419
420	420	(((
...	...	@@ -437,19 +437,22 @@
437	437	* Downstream: Listening broadcast message from gateway, and print it in console.
438	438	* The LoRa parameter settings in Arduino should match the LoRa settings in gateway, as below:
439	439
440		-[[image:https://wiki.dragino.com/images/thumb/3/3b/MQTT_Command_17.png/600px-MQTT_Command_17.png||height="197" width="600"]]
	481	+[[image:image-20220527140354-18.png]]
441	441
442	442	LoRa Parameter should match
443	443
444	444
	486	+
445	445	Below is the test result after the Arduino Sketch is running.
446	446
447		-[[image:https://wiki.dragino.com/images/thumb/6/63/MQTT_Command_18.png/600px-MQTT_Command_18.png||height="319" width="600"]]
	489	+[[image:image-20220527140459-19.png]]
448	448
449	449	Upstream Data Flow
450	450
451		-[[image:https://wiki.dragino.com/images/thumb/1/18/MQTT_Command_19.png/600px-MQTT_Command_19.png||height="309" width="600"]]
452	452
	494	+
	495	+[[image:image-20220527140542-20.png]]
	496	+
453	453	Downstream Data Flow
454	454
455	455
...	...	@@ -456,23 +456,23 @@
456	456	=== 4.5.2 Use LoRaWAN Protocol for communication ~-~- For LG308/LPS8/DLOS8 ===
457	457
458	458	(((
459		-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.
	503	+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.
460	460	)))
461	461
462	462	(((
463		-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.
464		-(% class="mark" %)**Video Instruction**(%%):[[https:~~/~~/youtu.be/qJTY441-t90>>url:https://youtu.be/qJTY441-t90]]
	507	+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.
	508	+(% style="color:#4f81bd" %)**Video Instruction**(%%): (% style="color:blue" %)[[https:~~/~~/youtu.be/qJTY441-t90>>url:https://youtu.be/qJTY441-t90]]
465	465	)))
466	466
467	467	(((
468		-**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:#4f81bd" %)**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.
469	469	)))
470	470
471	471	(((
472		-**Step 2**: Make sure your Radio settings match the End Node settings.
	516	+(% style="color:#4f81bd" %)**Step 2**(%%): Make sure your Radio settings match the End Node settings.
473	473	)))
474	474
475		-[[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]]
476	476
477	477	Use Same Frequency Band as End Node
478	478
...	...	@@ -479,86 +479,83 @@
479	479
480	480	(((
481	481	(((
482		-**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:#4f81bd" %)**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.
483	483	)))
484	484	)))
485	485
486		-[[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]]
487	487
488		-Publish mush use META as data format for LG308
489	489
490	490
491		-**Step 4**: Map the Device Address to Remote ID in MQTT server.
	534	+(% style="color:#4f81bd" %)**Step 4**(%%): Map the Device Address to Remote ID in MQTT server.
492	492
493		-[[image:https://wiki.dragino.com/images/thumb/7/7f/LG308_MQTT_4.png/600px-LG308_MQTT_4.png||height="335" width="600"]]
	536	+[[image:image-20220613190635-2.png]]
494	494
495		-Map Dev Addr to remote ID
496	496
497	497
498		-**Step 5: Upstream**: Save the change, we can see the log info via "sytem log", End Node and MQTT Server
	540	+(% style="color:#4f81bd" %)**Step 5: Upstream**(%%): Save the change, we can see the log info via "sytem log", End Node and MQTT Server
499	499
500		-[[image:https://wiki.dragino.com/images/thumb/b/be/LG308_MQTT_6.png/600px-LG308_MQTT_6.png||height="279" width="600"]]
	542	+[[image:image-20220527141843-24.png]]
501	501
502		-Upstream Process
503	503
504		-[[image:https://wiki.dragino.com/images/thumb/0/07/LG308_MQTT_6_1.png/600px-LG308_MQTT_6_1.png||height="246" width="600"]]
505	505
	546	+
	547	+[[image:image-20220527141933-25.png]]
	548	+
506	506	Choose ASCII Format
507	507
508		-[[image:https://wiki.dragino.com/images/thumb/a/a3/LG308_MQTT_6_2.png/600px-LG308_MQTT_6_2.png||height="248" width="600"]]
509	509
510		-LHT65 Decoder
511	511
	553	+[[image:image-20220527142028-26.png]]
512	512
513		-**Step 6: Set up subscribe:** Subscribe a topci for downstream.
	555	+LHT65 Decoder
514	514
515		-[[image:https://wiki.dragino.com/images/thumb/b/b9/LG308_MQTT_7.png/600px-LG308_MQTT_7.png||height="176" width="600"]]
516	516
517		-Subscribe to a topic
518	518
	559	+(% style="color:#4f81bd" %)**Step 6: Set up subscribe**(%%)**:** Subscribe a topci for downstream.
519	519
520		-**Step 7**: Downstream: Save the change, we can see the log info via "sytem log", End Node and MQTT Server.
	561	+[[image:image-20220613191426-5.png]]
521	521
522		-[[image:https://wiki.dragino.com/images/thumb/9/97/LG308_MQTT_8.png/600px-LG308_MQTT_8.png||height="298" width="600"]]
523	523
524		-Downstream Flow
525	525
526		-(% 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]]**
	565	+(% style="color:#4f81bd" %)**Step 7: Downstream**(%%): Save the change, we can see the log info via "sytem log", End Node and MQTT Server.
527	527
	567	+[[image:image-20220527142239-28.png]]
528	528
529		-= 5. Example For Different MQTT Servers =
530	530
531		-(% style="width:731.222px" %)
532		-|=(% style="width: 270px;" %)(((
533		-[[image:https://wiki.dragino.com/images/thumb/7/73/ThingSpeak1.png/200px-ThingSpeak1.png||alt="ThingSpeak1.png" height="114" width="233"]]
534	534
535		-== [[ThingSpeak Server>>url:http://www.thingspeak.com/]] ==
	571	+=== MQTT Downstream format ===
536	536
537	537
538		-[[Examples>>url:https://wiki.dragino.com/index.php/ThingSpeak_Examples]]
539		-)))|=(% style="width: 242px;" %)(((
540		-[[image:https://wiki.dragino.com/images/thumb/3/3b/Lewei50.png/200px-Lewei50.png||alt="Lewei50.png" height="65" width="223"]]
	574	+mosquitto_pub -h $server_address -p $server_port -t $Client_ID -m "**dev_addr,imme/time,txt/hex,payload**"
541	541
	576	+(% class="box infomessage" %)
	577	+(((
	578	+mosquitto_pub -h 10.130.2.192 -p 1883 -t dragino-1d25dc/ -m "260211D,time,txt,hello"
	579	+)))
542	542
543		-== [[乐联网平台>>url:https://www.lewei50.com/]] ==
	581	+mosquitto_pub -h $server_address -p $server_port -t $Client_ID -m "**dev_addr,imme/time,txt/hex,payload,txpw,txbw,SF,frequency,rxwindow**"
544	544
	583	+(% class="box infomessage" %)
	584	+(((
	585	+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"
	586	+)))
545	545
546		-[[lewei Example>>url:https://wiki.dragino.com/index.php/Lewei_Example_mqtt]]
547		-)))|=(% style="width: 214px;" %)(((
548		-[[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	+Or use [[MQTT.fx>>https://mqttfx.jensd.de/index.php/download]]
549	549
550		-== [[AWS-IOT>>url:https://aws.amazon.com/cn/iot-platform/how-it-works/]] ==
	590	+[[image:image-20220613192816-6.png||height="440" width="1056"]]
551	551
	592	+(% 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"]]**
552	552
553		-[[AWS Examples>>url:https://wiki.dragino.com/index.php/MQTT_Forward_to_Amazon_AWS-IOT]]
554		-)))
	594	+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]]
555	555
556		-= 6. How to Debug =
	596	+= 5. How to Debug =
557	557
558		-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.
	598	+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.
559	559
560		-= 7. How to ask for Support =
561	561
	601	+= 6. How to ask for Support =
	602	+
562	562	If a user still not have trouble making it works. please send a mail to support@dragino.com with the below info:
563	563
564	564	* Detail of your LoRaWAN end node.

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