Changes for page MQTT Forward Instruction

Last modified by Kilight Cao on 2024/08/31 16:26
<
From version < 44.1 >
edited by Kilight Cao
on 2022/06/13 19:35
To version < 37.5 >
edited by Xiaoling
on 2022/05/31 14:41
>
Change comment: There is no comment for this version

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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>>doc:Through MQTT to upload data.WebHome]])
16 +* LG01N, OLG01N ((% style="color:red" %)**Warning**(%%): LG01-P LG01-S use another instruction: [[MQTT for LG01-P/LG01S>>Through MQTT to upload data]])
17 17  * LG02, OLG02
18 18  * LG308, DLOS8
19 19  * LPS8
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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 -
24 24  = 2. Firmware Change Log for MQTT feature =
25 25  
26 26  (((
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30 30  * LG02_LG08-5.3.1580178039
31 31  ** Initiate version
32 32  
33 -
34 34  = 3. MQTT forward operating principle =
35 35  
36 36  == 3.1 Network Structure ==
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103 103  * USERNAME: User ID (-u)
104 104  * HOSTNAME: Device Hostname
105 105  
106 -
107 107  === 3.3.2 -m message macro ===
108 108  
109 109  * HOSTNAME: Device Hostname
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112 112  * META: Completely sensor data with time stamp and rssi
113 113  * JSON: Convert META to json format.
114 114  
115 -
116 116  === 3.3.3 Example for Macro ===
117 117  
118 118  [[image:image-20220527134251-4.png]]
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119 119  
120 120  MQTT Publish configure
121 121  
122 -
123 123  Above screen shots shows below format:
124 124  
125 125  * -t: CLIENTID/CHANNEL/data
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131 131  
132 132  Sensor Data
133 133  
134 -
135 135  (((
136 136  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.
137 137  )))
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338 338  
339 339  go to mqtt configure menu
340 340  
341 -
342 342  (((
343 343  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.
344 344  )))
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456 456  LoRa Parameter should match
457 457  
458 458  
459 -
460 460  Below is the test result after the Arduino Sketch is running.
461 461  
462 462  [[image:image-20220527140459-19.png]]
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464 464  Upstream Data Flow
465 465  
466 466  
467 -
468 468  [[image:image-20220527140542-20.png]]
469 469  
470 470  Downstream Data Flow
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496 496  
497 497  (((
498 498  (((
499 -(% 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.
490 +(% 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. And we need to config the format to (% style="color:#4f81bd" %)**META**
500 500  )))
501 501  )))
502 502  
503 -[[image:image-20220613191345-4.png]]
494 +[[image:image-20220527141450-22.png]]
504 504  
496 +Publish mush use META as data format for LG308
505 505  
506 506  
507 507  (% style="color:#4f81bd" %)**Step 4**(%%): Map the Device Address to Remote ID in MQTT server.
508 508  
509 -[[image:image-20220613190635-2.png]]
501 +[[image:image-20220527141727-23.png]]
510 510  
503 +Map Dev Addr to remote ID
511 511  
512 512  
513 513  (% style="color:#4f81bd" %)**Step 5: Upstream**(%%): Save the change, we can see the log info via "sytem log", End Node and MQTT Server
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514 514  
515 515  [[image:image-20220527141843-24.png]]
516 516  
510 +Upstream Process
517 517  
518 518  
519 -
520 520  [[image:image-20220527141933-25.png]]
521 521  
522 522  Choose ASCII Format
523 523  
524 524  
525 -
526 526  [[image:image-20220527142028-26.png]]
527 527  
528 528  LHT65 Decoder
529 529  
530 530  
531 -
532 532  (% style="color:#4f81bd" %)**Step 6: Set up subscribe**(%%)**:** Subscribe a topci for downstream.
533 533  
534 -[[image:image-20220613191426-5.png]]
525 +[[image:image-20220527142115-27.png]]
535 535  
527 +Subscribe to a topic
536 536  
537 537  
538 538  (% style="color:#4f81bd" %)**Step 7: Downstream**(%%): Save the change, we can see the log info via "sytem log", End Node and MQTT Server.
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539 539  
540 540  [[image:image-20220527142239-28.png]]
541 541  
534 +Downstream Flow
542 542  
543 -
544 -=== MQTT Downstream format ===
545 -
546 -
547 -mosquitto_pub -h $server_address -p $server_port -t $Client_ID -m "**dev_addr,imme/time,txt/hex,payload**"
548 -
549 -(% class="box infomessage" %)
550 -(((
551 -mosquitto_pub -h 10.130.2.192 -p 1883 -t dragino-1d25dc/ -m "260211D,time,txt,hello"
552 -)))
553 -
554 -mosquitto_pub -h $server_address -p $server_port -t $Client_ID -m "**dev_addr,imme/time,txt/hex,payload,txpw,txbw,SF,frequency,rxwindow**"
555 -
556 -(% class="box infomessage" %)
557 -(((
558 -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"
559 -)))
560 -
561 -Or use [[MQTT.fx>>https://mqttfx.jensd.de/index.php/download]]
562 -
563 -[[image:image-20220613192816-6.png||height="440" width="1056"]]
564 -
565 565  (% 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"]]**
566 566  
567 -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]]
568 568  
569 569  = 5. How to Debug =
570 570  
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