Changes for page MQTT Forward Instruction

Last modified by Kilight Cao on 2024/08/31 16:26
<
From version < 37.11 >
edited by Xiaoling
on 2022/06/01 10:45
To version < 44.2 >
edited by Xiaoling
on 2022/07/14 15:42
>
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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/]]
... ... @@ -22,8 +22,10 @@
22 22  
23 23  
24 24  
25 -= 2. Firmware Change Log for MQTT feature =
26 26  
28 += 2.  Firmware Change Log for MQTT feature =
29 +
30 +
27 27  (((
28 28  This instruction is wrote start from LG02_LG08-5.3.1580178039. Below is related change log since this version of firmware.
29 29  )))
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33 33  
34 34  
35 35  
40 +
36 36  = 3. MQTT forward operating principle =
37 37  
38 38  == 3.1 Network Structure ==
... ... @@ -105,8 +105,6 @@
105 105  * USERNAME: User ID (-u)
106 106  * HOSTNAME: Device Hostname
107 107  
108 -
109 -
110 110  === 3.3.2 -m message macro ===
111 111  
112 112  * HOSTNAME: Device Hostname
... ... @@ -115,8 +115,6 @@
115 115  * META: Completely sensor data with time stamp and rssi
116 116  * JSON: Convert META to json format.
117 117  
118 -
119 -
120 120  === 3.3.3 Example for Macro ===
121 121  
122 122  [[image:image-20220527134251-4.png]]
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135 135  
136 136  Sensor Data
137 137  
139 +
138 138  (((
139 139  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.
140 140  )))
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341 341  
342 342  go to mqtt configure menu
343 343  
346 +
344 344  (((
345 345  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.
346 346  )))
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458 458  LoRa Parameter should match
459 459  
460 460  
464 +
461 461  Below is the test result after the Arduino Sketch is running.
462 462  
463 463  [[image:image-20220527140459-19.png]]
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465 465  Upstream Data Flow
466 466  
467 467  
472 +
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. And we need to config the format to (% style="color:#4f81bd" %)**META**
504 +(% 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.
500 500  )))
501 501  )))
502 502  
503 -[[image:image-20220527141450-22.png]]
508 +[[image:image-20220613191345-4.png]]
504 504  
505 -Publish mush use META as data format for LG308
506 506  
507 507  
508 508  (% style="color:#4f81bd" %)**Step 4**(%%): Map the Device Address to Remote ID in MQTT server.
509 509  
510 -[[image:image-20220527141727-23.png]]
514 +[[image:image-20220613190635-2.png]]
511 511  
512 -Map Dev Addr to remote ID
513 513  
514 514  
515 515  (% 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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516 516  
517 517  [[image:image-20220527141843-24.png]]
518 518  
519 -Upstream Process
520 520  
521 521  
524 +
522 522  [[image:image-20220527141933-25.png]]
523 523  
524 524  Choose ASCII Format
525 525  
526 526  
530 +
527 527  [[image:image-20220527142028-26.png]]
528 528  
529 529  LHT65 Decoder
530 530  
531 531  
536 +
532 532  (% style="color:#4f81bd" %)**Step 6: Set up subscribe**(%%)**:** Subscribe a topci for downstream.
533 533  
534 -[[image:image-20220527142115-27.png]]
539 +[[image:image-20220613191426-5.png]]
535 535  
536 -Subscribe to a topic
537 537  
538 538  
539 539  (% 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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540 540  
541 541  [[image:image-20220527142239-28.png]]
542 542  
543 -Downstream Flow
544 544  
548 +
549 +=== MQTT Downstream format ===
550 +
551 +
552 +mosquitto_pub -h $server_address -p $server_port -t $Client_ID -m "**dev_addr,imme/time,txt/hex,payload**"
553 +
554 +(% class="box infomessage" %)
555 +(((
556 +mosquitto_pub -h 10.130.2.192 -p 1883 -t dragino-1d25dc/ -m "260211D,time,txt,hello"
557 +)))
558 +
559 +mosquitto_pub -h $server_address -p $server_port -t $Client_ID -m "**dev_addr,imme/time,txt/hex,payload,txpw,txbw,SF,frequency,rxwindow**"
560 +
561 +(% class="box infomessage" %)
562 +(((
563 +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"
564 +)))
565 +
566 +Or use [[MQTT.fx>>https://mqttfx.jensd.de/index.php/download]]
567 +
568 +[[image:image-20220613192816-6.png||height="440" width="1056"]]
569 +
545 545  (% 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"]]**
546 546  
572 +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]]
547 547  
548 548  = 5. How to Debug =
549 549  
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