Changes for page MQTT Forward Instruction

Last modified by Kilight Cao on 2024/08/31 16:26
<
From version < 44.3 >
edited by Xiaoling
on 2022/07/14 15:43
To version < 37.17 >
edited by Xiaoling
on 2022/06/01 10:48
>
Change comment: There is no comment for this version

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1 -**~ Table of Contents：**
1 +**~ Contents：**
2 2  
3 3  {{toc/}}
4 4  
5 5  
6 -= 1.  Introduction =
6 += 1. Introduction =
7 7  
8 -
9 9  Dragino LoRa/LoRaWAN gateway support MQTT forwarding. It can forward the sensor data from LoRa network to MQTT server , and vice verse.
10 10  
11 11  
12 -== 1.1  Support Devices ==
11 +== 1.1 Support Devices ==
13 13  
14 -
15 15  This MQTT forward instruction is for below devices:
16 16  
17 17  * Firmware Version > LG02_LG08-5.3.1580178039 [[Firmware Download>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/LPS8/Firmware/Release/]]
... ... @@ -24,10 +24,8 @@
24 24  
25 25  
26 26  
25 += 2. Firmware Change Log for MQTT feature =
27 27  
28 -= 2.  Firmware Change Log for MQTT feature =
29 -
30 -
31 31  (((
32 32  This instruction is wrote start from LG02_LG08-5.3.1580178039. Below is related change log since this version of firmware.
33 33  )))
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37 37  
38 38  
39 39  
36 += 3. MQTT forward operating principle =
40 40  
41 -= 3.  MQTT forward operating principle =
38 +== 3.1 Network Structure ==
42 42  
43 -
44 -== 3.1  Network Structure ==
45 -
46 -
47 47  Below shows the network structure for MQTT forwarding.
48 48  
49 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.
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112 112  * USERNAME: User ID (-u)
113 113  * HOSTNAME: Device Hostname
114 114  
108 +
109 +
115 115  === 3.3.2 -m message macro ===
116 116  
117 117  * HOSTNAME: Device Hostname
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120 120  * META: Completely sensor data with time stamp and rssi
121 121  * JSON: Convert META to json format.
122 122  
118 +
119 +
123 123  === 3.3.3 Example for Macro ===
124 124  
125 125  [[image:image-20220527134251-4.png]]
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503 503  
504 504  (((
505 505  (((
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.
503 +(% 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**
507 507  )))
508 508  )))
509 509  
510 -[[image:image-20220613191345-4.png]]
507 +[[image:image-20220527141450-22.png]]
511 511  
509 +Publish mush use META as data format for LG308
512 512  
513 513  
514 514  (% style="color:#4f81bd" %)**Step 4**(%%): Map the Device Address to Remote ID in MQTT server.
515 515  
516 -[[image:image-20220613190635-2.png]]
514 +[[image:image-20220527141727-23.png]]
517 517  
516 +Map Dev Addr to remote ID
518 518  
519 519  
520 520  (% 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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521 521  
522 522  [[image:image-20220527141843-24.png]]
523 523  
523 +Upstream Process
524 524  
525 525  
526 526  
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538 538  
539 539  (% style="color:#4f81bd" %)**Step 6: Set up subscribe**(%%)**:** Subscribe a topci for downstream.
540 540  
541 -[[image:image-20220613191426-5.png]]
541 +[[image:image-20220527142115-27.png]]
542 542  
543 +Subscribe to a topic
543 543  
544 544  
545 545  (% style="color:#4f81bd" %)**Step 7: Downstream**(%%): Save the change, we can see the log info via "sytem log", End Node and MQTT Server.
... ... @@ -546,32 +546,10 @@
546 546  
547 547  [[image:image-20220527142239-28.png]]
548 548  
550 +Downstream Flow
549 549  
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 -
572 572  (% 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"]]**
573 573  
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]]
575 575  
576 576  = 5. How to Debug =
577 577  
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