Changes for page MQTT Forward Instruction

Last modified by Kilight Cao on 2024/08/31 16:26
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From version < 6.2 >
edited by Xiaoling
on 2022/05/27 13:42
To version < 2.2 >
edited by Xiaoling
on 2022/05/12 16:32
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7 7  
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 -
11 11  == 1.1 Support Devices ==
12 12  
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]])
15 +* LG01N, OLG01N ((% class="mark" %)**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]])
17 17  * LG02, OLG02
18 18  * LG308, DLOS8
19 19  * LPS8
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38 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 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,
40 40  
41 -[[image:image-20220527133547-1.png]]
40 +[[image:https://wiki.dragino.com/images/thumb/4/45/MQTT_Forward_1.png/600px-MQTT_Forward_1.png||height="348" width="600"]]
42 42  
43 43  General MQTT structure
44 44  
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56 56  The data flow works as below diagram.
57 57  )))
58 58  
59 -[[image:image-20220527134000-2.png]]
58 +[[~[~[image:https://wiki.dragino.com/images/thumb/2/2a/MQTT_Forward_2.png/600px-MQTT_Forward_2.png~|~|height="355" width="600"~]~]>>url:https://wiki.dragino.com/index.php/File:MQTT_Forward_2.png]]
60 60  
61 61  (((
62 62  Upstream path
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78 78  Below are the data flow for downstream.
79 79  )))
80 80  
81 -[[image:image-20220527134038-3.png]]
80 +[[image:https://wiki.dragino.com/images/thumb/3/3a/MQTT_Forward_3.png/600px-MQTT_Forward_3.png||height="368" width="600"]]
82 82  
83 83  Downstream path
84 84  
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88 88  The MQTT publish command use Macro settings to generate flexible upstream payload for MQTT publish.
89 89  
90 90  (((
91 -Currently the (% style="color:#4f81bd" %)**-t (topic)**(%%) and (% style="color:#4f81bd" %)**-m (message)**(%%) support Macros.
92 -
93 -
90 +Currently the (% class="mark" %)**-t (topic)**(%%) and (% class="mark" %)**-m (message)**(%%) support Macros.
94 94  )))
95 95  
96 96  === 3.3.1 -t topic macro ===
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101 101  * USERNAME: User ID (-u)
102 102  * HOSTNAME: Device Hostname
103 103  
104 -
105 105  === 3.3.2 -m message macro ===
106 106  
107 107  * HOSTNAME: Device Hostname
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110 110  * META: Completely sensor data with time stamp and rssi
111 111  * JSON: Convert META to json format.
112 112  
113 -
114 114  === 3.3.3 Example for Macro ===
115 115  
116 -[[image:image-20220527134251-4.png]]
111 +[[image:https://wiki.dragino.com/images/thumb/c/c7/MQTT_Command_9.png/600px-MQTT_Command_9.png||height="385" width="600"]]
117 117  
118 118  MQTT Publish configure
119 119  
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482 482  
483 483  
484 484  (((
485 -(((
486 486  **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
487 487  )))
488 -)))
489 489  
490 490  [[image:https://wiki.dragino.com/images/thumb/8/8d/LG308_MQTT_3.png/600px-LG308_MQTT_3.png||height="385" width="600"]]
491 491  
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492 492  Publish mush use META as data format for LG308
493 493  
494 494  
495 -**Step 4**: Map the Device Address to Remote ID in MQTT server.
488 +Step 4: Map the Device Address to Remote ID in MQTT server.
496 496  
497 497  [[image:https://wiki.dragino.com/images/thumb/7/7f/LG308_MQTT_4.png/600px-LG308_MQTT_4.png||height="335" width="600"]]
498 498  
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499 499  Map Dev Addr to remote ID
500 500  
501 501  
502 -**Step 5: Upstream**: Save the change, we can see the log info via "sytem log", End Node and MQTT Server
495 +Step 5: Upstream: Save the change, we can see the log info via "sytem log", End Node and MQTT Server
503 503  
504 504  [[image:https://wiki.dragino.com/images/thumb/b/be/LG308_MQTT_6.png/600px-LG308_MQTT_6.png||height="279" width="600"]]
505 505  
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513 513  
514 514  LHT65 Decoder
515 515  
509 +Step 6: Set up subscribe: Subscribe a topci for downstream.
516 516  
517 -**Step 6: Set up subscribe:** Subscribe a topci for downstream.
518 -
519 519  [[image:https://wiki.dragino.com/images/thumb/b/b9/LG308_MQTT_7.png/600px-LG308_MQTT_7.png||height="176" width="600"]]
520 520  
521 521  Subscribe to a topic
522 522  
523 523  
524 -**Step 7**: Downstream: Save the change, we can see the log info via "sytem log", End Node and MQTT Server.
516 +Step 7: Downstream: Save the change, we can see the log info via "sytem log", End Node and MQTT Server.
525 525  
526 526  [[image:https://wiki.dragino.com/images/thumb/9/97/LG308_MQTT_8.png/600px-LG308_MQTT_8.png||height="298" width="600"]]
527 527  
528 528  Downstream Flow
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]]**
522 +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  
532 532  
533 533  = 5. Example For Different MQTT Servers =
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543 543  )))|=(% style="width: 242px;" %)(((
544 544  [[image:https://wiki.dragino.com/images/thumb/3/3b/Lewei50.png/200px-Lewei50.png||alt="Lewei50.png" height="65" width="223"]]
545 545  
538 +== ==
546 546  
547 547  == [[乐联网平台>>url:https://www.lewei50.com/]] ==
548 548  
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