Changes for page MQTT Forward Instruction
Last modified by Kilight Cao on 2024/08/31 16:26
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... ... @@ -15,7 +15,7 @@ 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/]] 18 -* 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]]) 18 +* LG01N, OLG01N ((% style="color:red" %)**Warning**(%%): LG01-P LG01-S use another instruction: [[MQTT for LG01-P/LG01S>>doc:Main.Through MQTT to upload data.WebHome]]) 19 19 * LG02, OLG02 20 20 * LG308, DLOS8 21 21 * LPS8 ... ... @@ -22,6 +22,7 @@ 22 22 * LIG16 23 23 * MS14 series if installed with the same firmware. (in this case, the MQTT forward will work , but no LoRa support) 24 24 25 + 25 25 = 2. Firmware Change Log for MQTT feature = 26 26 27 27 ... ... @@ -32,9 +32,9 @@ 32 32 * LG02_LG08-5.3.1580178039 33 33 ** Initiate version 34 34 36 + 35 35 = 3. MQTT forward operating principle = 36 36 37 - 38 38 == 3.1 Network Structure == 39 39 40 40 ... ... @@ -41,7 +41,7 @@ 41 41 Below shows the network structure for MQTT forwarding. 42 42 43 43 * **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. 44 -* **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 ,45 +* **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. 45 45 46 46 [[image:image-20220527133547-1.png]] 47 47 ... ... @@ -56,6 +56,7 @@ 56 56 57 57 === 3.2.1 Upstream === 58 58 60 + 59 59 Assume there are two sensor nodes, their ID are Node1 ID: 6734 , Node2 ID: 7456. In the remote MQTT broker there are two topics: Topic1: /channel/765800, Topic2: /channel/367860. We can set up in the gateway to map Node1 to Topic1 and Node2 to Topic2. So when there is a sensor data from Node1, the gateway will forward the data to Topic1, when there is sensor data from Node2, the gateway will forward to Topic2. 60 60 61 61 ((( ... ... @@ -148,7 +148,6 @@ 148 148 ))) 149 149 150 150 151 - 152 152 == 3.4 Modify the MQTT to support more options == 153 153 154 154 ... ... @@ -276,10 +276,8 @@ 276 276 ))) 277 277 278 278 279 - 280 280 = 4. Example to communicate to a simple MQTT server = 281 281 282 - 283 283 == 4.1 Overview == 284 284 285 285 ... ... @@ -314,9 +314,9 @@ 314 314 Downstream: Subscribe a topic to get downstream 315 315 316 316 317 - 318 318 == 4.3 Simulate via Dragino Command Line == 319 319 318 + 320 320 For first try of MQTT connection, simulate via command line is recommend, there are many servers / connection type for MQTT. They are using different connection parameters. Simulating the connection via command line will help us rapidly connect to server and debug. 321 321 322 322 In the Dragino Gateway, we use [[mosquitto client>>url:https://mosquitto.org/]] for MQTT connection. ... ... @@ -335,7 +335,6 @@ 335 335 mosquitto_pub 336 336 337 337 338 - 339 339 (% style="color:blue" %)**For Downstream** 340 340 341 341 Use [[mosquitto_sub>>url:https://mosquitto.org/man/mosquitto_sub-1.html]] to subscribe the change on the topic. ... ... @@ -347,6 +347,7 @@ 347 347 348 348 == 4.4 Configure Dragino UI for MQTT connection == 349 349 348 + 350 350 This chapter are step by step to show to configure the Dragino Menu for MQTT auto connection. 351 351 352 352 ((( ... ... @@ -367,7 +367,6 @@ 367 367 forward to MQTT 368 368 369 369 370 - 371 371 === 4.4.1 Configure the MQTT Client for Upstream === 372 372 373 373 ... ... @@ -388,7 +388,6 @@ 388 388 MQTT Publish configure 389 389 390 390 391 - 392 392 [[image:image-20220527135929-13.png]] 393 393 394 394 MQTT Channel settings ... ... @@ -417,7 +417,6 @@ 417 417 MQTT Publish 418 418 419 419 420 - 421 421 === 4.4.2 Configure the MQTT Client for Downstream === 422 422 423 423 ... ... @@ -455,6 +455,7 @@ 455 455 In above section, we have configured the UI to support MQTT upstream and downstream. We can simulate via Linux command. In this section, we will guide how to communicate with remote LoRa End Node for upstream and downstream. 456 456 457 457 454 + 458 458 === 4.5.1 Use LoRa Raw protocol for communication ~-~- For LG01/LG02 === 459 459 460 460 ... ... @@ -485,7 +485,6 @@ 485 485 LoRa Parameter should match 486 486 487 487 488 - 489 489 Below is the test result after the Arduino Sketch is running. 490 490 491 491 [[image:image-20220527140459-19.png]] ... ... @@ -493,13 +493,11 @@ 493 493 Upstream Data Flow 494 494 495 495 496 - 497 497 [[image:image-20220527140542-20.png]] 498 498 499 499 Downstream Data Flow 500 500 501 501 502 - 503 503 === 4.5.2 Use LoRaWAN Protocol for communication ~-~- For LG308/LPS8/DLOS8 === 504 504 505 505 ... ... @@ -511,11 +511,11 @@ 511 511 When use test this feature, please use the version higher then : (% style="color:#4f81bd" %)**LG02_LG08~-~-build-v5.4.1593400722-20200629-1120**(%%), in this version, the upload format is changed and readable, which is easier for integration. 512 512 513 513 514 -(% style="color: #4f81bd" %)**Video Instruction**(%%): (% style="color:blue" %)[[https:~~/~~/youtu.be/qJTY441-t90>>url:https://youtu.be/qJTY441-t90]]508 +(% style="color:blue" %)**Video Instruction**(%%): (% style="color:blue" %)[[https:~~/~~/youtu.be/qJTY441-t90>>url:https://youtu.be/qJTY441-t90]] 515 515 ))) 516 516 517 517 ((( 518 -(% style="color:blue d" %)**Step 1**(%%): Refer [[Communicate with ABP End Node>>Communicate with ABP End Node without LoRaWAN Network Server --- LG308]] to know how to set up LG308 to work with LoRaWAN End node.512 +(% style="color:blue" %)**Step 1**(%%): Refer [[Communicate with ABP End Node>>Communicate with ABP End Node without LoRaWAN Network Server --- LG308]] to know how to set up LG308 to work with LoRaWAN End node. 519 519 ))) 520 520 521 521 ((( ... ... @@ -536,44 +536,36 @@ 536 536 [[image:image-20220613191345-4.png]] 537 537 538 538 539 - 540 540 (% style="color:blue" %)**Step 4**(%%): Map the Device Address to Remote ID in MQTT server. 541 541 542 542 [[image:image-20220613190635-2.png]] 543 543 544 544 545 - 546 546 (% style="color:blue" %)**Step 5: Upstream**(%%): Save the change, we can see the log info via "sytem log", End Node and MQTT Server 547 547 548 548 [[image:image-20220527141843-24.png]] 549 549 550 550 551 - 552 - 553 553 [[image:image-20220527141933-25.png]] 554 554 555 555 Choose ASCII Format 556 556 557 557 558 - 559 559 [[image:image-20220527142028-26.png]] 560 560 561 561 LHT65 Decoder 562 562 563 563 564 - 565 565 (% style="color:blue" %)**Step 6: Set up subscribe**(%%)**:** Subscribe a topci for downstream. 566 566 567 567 [[image:image-20220613191426-5.png]] 568 568 569 569 570 - 571 571 (% style="color:blue" %)**Step 7: Downstream**(%%): Save the change, we can see the log info via "sytem log", End Node and MQTT Server. 572 572 573 573 [[image:image-20220527142239-28.png]] 574 574 575 575 576 - 577 577 === 4.5.3 MQTT Downstream format === 578 578 579 579 ... ... @@ -588,7 +588,7 @@ 588 588 589 589 (% class="box infomessage" %) 590 590 ((( 591 -**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"**577 +**mosquitto_pub -h 10.130.2.192 -p 1883 -t dragino-1d25dc/ -m "260211D,time,txt,hello,20,1,SF12,923300000,2"** 592 592 ))) 593 593 594 594 Or use [[MQTT.fx>>https://mqttfx.jensd.de/index.php/download]] ... ... @@ -602,7 +602,6 @@ 602 602 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]] 603 603 604 604 605 - 606 606 = 5. How to Debug = 607 607 608 608