Changes for page MQTT Forward Instruction

Last modified by Kilight Cao on 2024/08/31 16:26
<
From version < 36.5 >
edited by Xiaoling
on 2022/05/31 09:59
To version < 44.1 >
edited by Kilight Cao
on 2022/06/13 19:35
>
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>>url:https://wiki.dragino.com/index.php/Through_MQTT_to_upload_data]])
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]])
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 +
23 23  = 2. Firmware Change Log for MQTT feature =
24 24  
25 25  (((
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29 29  * LG02_LG08-5.3.1580178039
30 30  ** Initiate version
31 31  
33 +
32 32  = 3. MQTT forward operating principle =
33 33  
34 34  == 3.1 Network Structure ==
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101 101  * USERNAME: User ID (-u)
102 102  * HOSTNAME: Device Hostname
103 103  
106 +
104 104  === 3.3.2 -m message macro ===
105 105  
106 106  * HOSTNAME: Device Hostname
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109 109  * META: Completely sensor data with time stamp and rssi
110 110  * JSON: Convert META to json format.
111 111  
115 +
112 112  === 3.3.3 Example for Macro ===
113 113  
114 114  [[image:image-20220527134251-4.png]]
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115 115  
116 116  MQTT Publish configure
117 117  
122 +
118 118  Above screen shots shows below format:
119 119  
120 120  * -t: CLIENTID/CHANNEL/data
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126 126  
127 127  Sensor Data
128 128  
134 +
129 129  (((
130 130  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.
131 131  )))
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332 332  
333 333  go to mqtt configure menu
334 334  
341 +
335 335  (((
336 336  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.
337 337  )))
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449 449  LoRa Parameter should match
450 450  
451 451  
459 +
452 452  Below is the test result after the Arduino Sketch is running.
453 453  
454 454  [[image:image-20220527140459-19.png]]
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456 456  Upstream Data Flow
457 457  
458 458  
467 +
459 459  [[image:image-20220527140542-20.png]]
460 460  
461 461  Downstream Data Flow
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487 487  
488 488  (((
489 489  (((
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**
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.
491 491  )))
492 492  )))
493 493  
494 -[[image:image-20220527141450-22.png]]
503 +[[image:image-20220613191345-4.png]]
495 495  
496 -Publish mush use META as data format for LG308
497 497  
498 498  
499 499  (% style="color:#4f81bd" %)**Step 4**(%%): Map the Device Address to Remote ID in MQTT server.
500 500  
501 -[[image:image-20220527141727-23.png]]
509 +[[image:image-20220613190635-2.png]]
502 502  
503 -Map Dev Addr to remote ID
504 504  
505 505  
506 506  (% 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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507 507  
508 508  [[image:image-20220527141843-24.png]]
509 509  
510 -Upstream Process
511 511  
512 512  
519 +
513 513  [[image:image-20220527141933-25.png]]
514 514  
515 515  Choose ASCII Format
516 516  
517 517  
525 +
518 518  [[image:image-20220527142028-26.png]]
519 519  
520 520  LHT65 Decoder
521 521  
522 522  
531 +
523 523  (% style="color:#4f81bd" %)**Step 6: Set up subscribe**(%%)**:** Subscribe a topci for downstream.
524 524  
525 -[[image:image-20220527142115-27.png]]
534 +[[image:image-20220613191426-5.png]]
526 526  
527 -Subscribe to a topic
528 528  
529 529  
530 530  (% 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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531 531  
532 532  [[image:image-20220527142239-28.png]]
533 533  
534 -Downstream Flow
535 535  
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 +
536 536  (% 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"]]**
537 537  
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]]
538 538  
539 539  = 5. How to Debug =
540 540  
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