Changes for page MQTT Forward Instruction

Last modified by Kilight Cao on 2024/08/31 16:26
<
From version < 37.12 >
edited by Xiaoling
on 2022/06/01 10:45
To version < 44.4 >
edited by Xiaoling
on 2022/07/14 15:43
>
Change comment: There is no comment for this version

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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  
36 -= 3. MQTT forward operating principle =
37 37  
38 -== 3.1 Network Structure ==
41 += 3.  MQTT forward operating principle =
39 39  
43 +
44 +== 3.1  Network Structure ==
45 +
46 +
40 40  Below shows the network structure for MQTT forwarding.
41 41  
42 -* 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.
43 -* 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,
49 +* **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.
50 +* **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,
44 44  
45 45  [[image:image-20220527133547-1.png]]
46 46  
... ... @@ -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
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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]]
... ... @@ -342,6 +342,7 @@
342 342  
343 343  go to mqtt configure menu
344 344  
348 +
345 345  (((
346 346  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.
347 347  )))
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459 459  LoRa Parameter should match
460 460  
461 461  
466 +
462 462  Below is the test result after the Arduino Sketch is running.
463 463  
464 464  [[image:image-20220527140459-19.png]]
... ... @@ -466,6 +466,7 @@
466 466  Upstream Data Flow
467 467  
468 468  
474 +
469 469  [[image:image-20220527140542-20.png]]
470 470  
471 471  Downstream Data Flow
... ... @@ -497,20 +497,18 @@
497 497  
498 498  (((
499 499  (((
500 -(% 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**
506 +(% 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.
501 501  )))
502 502  )))
503 503  
504 -[[image:image-20220527141450-22.png]]
510 +[[image:image-20220613191345-4.png]]
505 505  
506 -Publish mush use META as data format for LG308
507 507  
508 508  
509 509  (% style="color:#4f81bd" %)**Step 4**(%%): Map the Device Address to Remote ID in MQTT server.
510 510  
511 -[[image:image-20220527141727-23.png]]
516 +[[image:image-20220613190635-2.png]]
512 512  
513 -Map Dev Addr to remote ID
514 514  
515 515  
516 516  (% style="color:#4f81bd" %)**Step 5: Upstream**(%%): Save the change, we can see the log info via "sytem log", End Node and MQTT Server
... ... @@ -517,24 +517,25 @@
517 517  
518 518  [[image:image-20220527141843-24.png]]
519 519  
520 -Upstream Process
521 521  
522 522  
526 +
523 523  [[image:image-20220527141933-25.png]]
524 524  
525 525  Choose ASCII Format
526 526  
527 527  
532 +
528 528  [[image:image-20220527142028-26.png]]
529 529  
530 530  LHT65 Decoder
531 531  
532 532  
538 +
533 533  (% style="color:#4f81bd" %)**Step 6: Set up subscribe**(%%)**:** Subscribe a topci for downstream.
534 534  
535 -[[image:image-20220527142115-27.png]]
541 +[[image:image-20220613191426-5.png]]
536 536  
537 -Subscribe to a topic
538 538  
539 539  
540 540  (% style="color:#4f81bd" %)**Step 7: Downstream**(%%): Save the change, we can see the log info via "sytem log", End Node and MQTT Server.
... ... @@ -541,10 +541,32 @@
541 541  
542 542  [[image:image-20220527142239-28.png]]
543 543  
544 -Downstream Flow
545 545  
550 +
551 +=== MQTT Downstream format ===
552 +
553 +
554 +mosquitto_pub -h $server_address -p $server_port -t $Client_ID -m "**dev_addr,imme/time,txt/hex,payload**"
555 +
556 +(% class="box infomessage" %)
557 +(((
558 +mosquitto_pub -h 10.130.2.192 -p 1883 -t dragino-1d25dc/ -m "260211D,time,txt,hello"
559 +)))
560 +
561 +mosquitto_pub -h $server_address -p $server_port -t $Client_ID -m "**dev_addr,imme/time,txt/hex,payload,txpw,txbw,SF,frequency,rxwindow**"
562 +
563 +(% class="box infomessage" %)
564 +(((
565 +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"
566 +)))
567 +
568 +Or use [[MQTT.fx>>https://mqttfx.jensd.de/index.php/download]]
569 +
570 +[[image:image-20220613192816-6.png||height="440" width="1056"]]
571 +
546 546  (% 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"]]**
547 547  
574 +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]]
548 548  
549 549  = 5. How to Debug =
550 550  
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