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: Main.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:Through MQTT to upload data.WebHome]]) 19 19 * LG02, OLG02 20 20 * LG308, DLOS8 21 21 * LPS8 ... ... @@ -22,7 +22,6 @@ 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 - 26 26 = 2. Firmware Change Log for MQTT feature = 27 27 28 28 ... ... @@ -33,9 +33,9 @@ 33 33 * LG02_LG08-5.3.1580178039 34 34 ** Initiate version 35 35 36 - 37 37 = 3. MQTT forward operating principle = 38 38 37 + 39 39 == 3.1 Network Structure == 40 40 41 41 ... ... @@ -42,7 +42,7 @@ 42 42 Below shows the network structure for MQTT forwarding. 43 43 44 44 * **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. 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 .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, 46 46 47 47 [[image:image-20220527133547-1.png]] 48 48 ... ... @@ -57,7 +57,6 @@ 57 57 58 58 === 3.2.1 Upstream === 59 59 60 - 61 61 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. 62 62 63 63 ((( ... ... @@ -150,6 +150,7 @@ 150 150 ))) 151 151 152 152 151 + 153 153 == 3.4 Modify the MQTT to support more options == 154 154 155 155 ... ... @@ -277,8 +277,10 @@ 277 277 ))) 278 278 279 279 279 + 280 280 = 4. Example to communicate to a simple MQTT server = 281 281 282 + 282 282 == 4.1 Overview == 283 283 284 284 ... ... @@ -313,9 +313,9 @@ 313 313 Downstream: Subscribe a topic to get downstream 314 314 315 315 317 + 316 316 == 4.3 Simulate via Dragino Command Line == 317 317 318 - 319 319 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. 320 320 321 321 In the Dragino Gateway, we use [[mosquitto client>>url:https://mosquitto.org/]] for MQTT connection. ... ... @@ -334,6 +334,7 @@ 334 334 mosquitto_pub 335 335 336 336 338 + 337 337 (% style="color:blue" %)**For Downstream** 338 338 339 339 Use [[mosquitto_sub>>url:https://mosquitto.org/man/mosquitto_sub-1.html]] to subscribe the change on the topic. ... ... @@ -345,7 +345,6 @@ 345 345 346 346 == 4.4 Configure Dragino UI for MQTT connection == 347 347 348 - 349 349 This chapter are step by step to show to configure the Dragino Menu for MQTT auto connection. 350 350 351 351 ((( ... ... @@ -366,6 +366,7 @@ 366 366 forward to MQTT 367 367 368 368 370 + 369 369 === 4.4.1 Configure the MQTT Client for Upstream === 370 370 371 371 ... ... @@ -386,6 +386,7 @@ 386 386 MQTT Publish configure 387 387 388 388 391 + 389 389 [[image:image-20220527135929-13.png]] 390 390 391 391 MQTT Channel settings ... ... @@ -414,6 +414,7 @@ 414 414 MQTT Publish 415 415 416 416 420 + 417 417 === 4.4.2 Configure the MQTT Client for Downstream === 418 418 419 419 ... ... @@ -451,7 +451,6 @@ 451 451 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. 452 452 453 453 454 - 455 455 === 4.5.1 Use LoRa Raw protocol for communication ~-~- For LG01/LG02 === 456 456 457 457 ... ... @@ -482,6 +482,7 @@ 482 482 LoRa Parameter should match 483 483 484 484 488 + 485 485 Below is the test result after the Arduino Sketch is running. 486 486 487 487 [[image:image-20220527140459-19.png]] ... ... @@ -489,11 +489,13 @@ 489 489 Upstream Data Flow 490 490 491 491 496 + 492 492 [[image:image-20220527140542-20.png]] 493 493 494 494 Downstream Data Flow 495 495 496 496 502 + 497 497 === 4.5.2 Use LoRaWAN Protocol for communication ~-~- For LG308/LPS8/DLOS8 === 498 498 499 499 ... ... @@ -505,11 +505,11 @@ 505 505 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. 506 506 507 507 508 -(% style="color:b lue" %)**Video Instruction**(%%): (% style="color:blue" %)[[https:~~/~~/youtu.be/qJTY441-t90>>url:https://youtu.be/qJTY441-t90]]514 +(% style="color:#4f81bd" %)**Video Instruction**(%%): (% style="color:blue" %)[[https:~~/~~/youtu.be/qJTY441-t90>>url:https://youtu.be/qJTY441-t90]] 509 509 ))) 510 510 511 511 ((( 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. 518 +(% style="color:blued" %)**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. 513 513 ))) 514 514 515 515 ((( ... ... @@ -530,36 +530,44 @@ 530 530 [[image:image-20220613191345-4.png]] 531 531 532 532 539 + 533 533 (% style="color:blue" %)**Step 4**(%%): Map the Device Address to Remote ID in MQTT server. 534 534 535 535 [[image:image-20220613190635-2.png]] 536 536 537 537 545 + 538 538 (% style="color:blue" %)**Step 5: Upstream**(%%): Save the change, we can see the log info via "sytem log", End Node and MQTT Server 539 539 540 540 [[image:image-20220527141843-24.png]] 541 541 542 542 551 + 552 + 543 543 [[image:image-20220527141933-25.png]] 544 544 545 545 Choose ASCII Format 546 546 547 547 558 + 548 548 [[image:image-20220527142028-26.png]] 549 549 550 550 LHT65 Decoder 551 551 552 552 564 + 553 553 (% style="color:blue" %)**Step 6: Set up subscribe**(%%)**:** Subscribe a topci for downstream. 554 554 555 555 [[image:image-20220613191426-5.png]] 556 556 557 557 570 + 558 558 (% style="color:blue" %)**Step 7: Downstream**(%%): Save the change, we can see the log info via "sytem log", End Node and MQTT Server. 559 559 560 560 [[image:image-20220527142239-28.png]] 561 561 562 562 576 + 563 563 === 4.5.3 MQTT Downstream format === 564 564 565 565 ... ... @@ -574,7 +574,7 @@ 574 574 575 575 (% class="box infomessage" %) 576 576 ((( 577 -**mosquitto_pub -h 10.130.2.192 -p 1883 -t dragino-1d25dc/ -m "260211D,time,txt,hello,20,1,SF12,923300000,2"** 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"** 578 578 ))) 579 579 580 580 Or use [[MQTT.fx>>https://mqttfx.jensd.de/index.php/download]] ... ... @@ -588,6 +588,7 @@ 588 588 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]] 589 589 590 590 605 + 591 591 = 5. How to Debug = 592 592 593 593