Changes for page MQTT Forward Instruction
Last modified by Kilight Cao on 2024/08/31 16:26
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... ... @@ -9,7 +9,6 @@ 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 - 13 13 == 1.1 Support Devices == 14 14 15 15 ... ... @@ -25,7 +25,6 @@ 25 25 26 26 27 27 28 - 29 29 = 2. Firmware Change Log for MQTT feature = 30 30 31 31 ... ... @@ -38,7 +38,6 @@ 38 38 39 39 40 40 41 - 42 42 = 3. MQTT forward operating principle = 43 43 44 44 ... ... @@ -48,16 +48,13 @@ 48 48 Below shows the network structure for MQTT forwarding. 49 49 50 50 * **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. 51 -* **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 .48 +* **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, 52 52 53 - 54 - 55 55 [[image:image-20220527133547-1.png]] 56 56 57 57 General MQTT structure 58 58 59 59 60 - 61 61 == 3.2 How sensor data is forwarded == 62 62 63 63 ... ... @@ -64,16 +64,12 @@ 64 64 In this MQTT forward feature, the key point is how the gateway process the sensor data. 65 65 66 66 67 - 68 68 === 3.2.1 Upstream === 69 69 70 - 71 71 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. 72 72 73 73 ((( 74 74 The data flow works as below diagram. 75 - 76 - 77 77 ))) 78 78 79 79 [[image:image-20220527134000-2.png]] ... ... @@ -90,8 +90,6 @@ 90 90 91 91 ((( 92 92 93 - 94 - 95 95 ))) 96 96 97 97 === 3.2.2 Downstream === ... ... @@ -101,8 +101,6 @@ 101 101 102 102 ((( 103 103 Below are the data flow for downstream. 104 - 105 - 106 106 ))) 107 107 108 108 [[image:image-20220527134038-3.png]] ... ... @@ -110,7 +110,6 @@ 110 110 Downstream path 111 111 112 112 113 - 114 114 == 3.3 Macro Definition == 115 115 116 116 ... ... @@ -119,7 +119,6 @@ 119 119 ((( 120 120 Currently the (% style="color:#4f81bd" %)**-t (topic)**(%%) and (% style="color:#4f81bd" %)**-m (message)**(%%) support Macros. 121 121 122 - 123 123 124 124 ))) 125 125 ... ... @@ -310,7 +310,6 @@ 310 310 This section is an example to show how to set up LG01-N to communicate with a MQTT server. The MQTT server is a simple utility set up in a local PC. Note: User can set up same server via [[this instruction>>url:http://www.steves-internet-guide.com/install-mosquitto-broker/]]. 311 311 312 312 313 - 314 314 == 4.2 Simulate via MQTT.fx utility == 315 315 316 316 ... ... @@ -342,7 +342,6 @@ 342 342 343 343 == 4.3 Simulate via Dragino Command Line == 344 344 345 - 346 346 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. 347 347 348 348 In the Dragino Gateway, we use [[mosquitto client>>url:https://mosquitto.org/]] for MQTT connection. ... ... @@ -371,10 +371,8 @@ 371 371 mosquitto_sub 372 372 373 373 356 +== 4.4 Configure Dragino UI for MQTT connection == 374 374 375 -== 4.4 Configure Dragino UI for MQTT connection == 376 - 377 - 378 378 This chapter are step by step to show to configure the Dragino Menu for MQTT auto connection. 379 379 380 380 ((( ... ... @@ -381,7 +381,7 @@ 381 381 Go to (% style="color:#4f81bd" %)**Dragino Menu ~-~-> MQTT Client** 382 382 ))) 383 383 384 -[[image:image -20220714155901-1.png]]364 +[[image:https://wiki.dragino.com/images/thumb/b/bc/MQTT_Command_8.png/600px-MQTT_Command_8.png||height="249" width="600"]] 385 385 386 386 go to mqtt configure menu 387 387 ... ... @@ -395,28 +395,24 @@ 395 395 forward to MQTT 396 396 397 397 378 +=== 4.4.1 Configure the MQTT Client for Upstream === 398 398 399 - === 4.4.1 Configure theMQTT Clientfor Upstream===380 +Below screenshot is same as the publish command: 400 400 401 - 402 -**Below screenshot is same as the publish command:** 403 - 404 404 (% class="box" %) 405 405 ((( 406 - **mosquitto_pub -h 192.168.199.148 -p 1883 -i dragino-1b7060 -t CLIENTID/CHANNEL/data -m DATA384 +mosquitto_pub -h 192.168.199.148 -p 1883 -i dragino-1b7060 -t CLIENTID/CHANNEL/data -m DATA 407 407 ~/~/where the CLIENTID, CHANNEL & DATA are macro. represent for 408 408 ~/~/CLIENTID: dragino-1b7060 409 409 ~/~/CHANNEL: Remote ID in Channel settings; here is 78901 or 567456 410 -~/~/DATA: The data stores in /var/iot/channels/ **388 +~/~/DATA: The data stores in /var/iot/channels/ 411 411 ))) 412 412 413 - 414 414 [[image:image-20220527135828-12.png]] 415 415 416 416 MQTT Publish configure 417 417 418 418 419 - 420 420 [[image:image-20220527135929-13.png]] 421 421 422 422 MQTT Channel settings ... ... @@ -445,10 +445,8 @@ 445 445 MQTT Publish 446 446 447 447 424 +=== 4.4.2 Configure the MQTT Client for Downstream === 448 448 449 -=== 4.4.2 Configure the MQTT Client for Downstream === 450 - 451 - 452 452 Below screen shot equal to this subscribe command: 453 453 454 454 (% class="box" %) ... ... @@ -477,16 +477,13 @@ 477 477 downstream simulation 478 478 479 479 480 -== 4.5 454 +== 4.5 Add LoRa support to communicate with remote sensor == 481 481 482 - 483 483 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. 484 484 485 485 459 +=== 4.5.1 Use LoRa Raw protocol for communication ~-~- For LG01/LG02 === 486 486 487 -=== 4.5.1 Use LoRa Raw protocol for communication ~-~- For LG01/LG02 === 488 - 489 - 490 490 ((( 491 491 We can use [[LoRa Shield>>url:http://www.dragino.com/products/lora/item/102-lora-shield.html]] to send LoRa Raw data to Gateway and receive data from gateway. 492 492 ))) ... ... @@ -497,8 +497,6 @@ 497 497 498 498 ((( 499 499 And this link is the required library: [[arduino-LoRa-master>>url:http://www.dragino.com/downloads/index.php?dir=LoraShield/]]. Unzip this library and put in Arduino library location. 500 - 501 - 502 502 ))) 503 503 504 504 ((( ... ... @@ -509,8 +509,6 @@ 509 509 * Downstream: Listening broadcast message from gateway, and print it in console. 510 510 * The LoRa parameter settings in Arduino should match the LoRa settings in gateway, as below: 511 511 512 - 513 - 514 514 [[image:image-20220527140354-18.png]] 515 515 516 516 LoRa Parameter should match ... ... @@ -530,10 +530,8 @@ 530 530 Downstream Data Flow 531 531 532 532 500 +=== 4.5.2 Use LoRaWAN Protocol for communication ~-~- For LG308/LPS8/DLOS8 === 533 533 534 -=== 4.5.2 Use LoRaWAN Protocol for communication ~-~- For LG308/LPS8/DLOS8 === 535 - 536 - 537 537 ((( 538 538 Since firmware (% style="color:#4f81bd" %)**LG02_LG08~-~-build-v5.3.1585192026-20200326-1109,**(%%) Dragino LoRaWAN gateways support the communication to LoRaWAN (% style="color:#4f81bd" %)**ABP end node**(%%) locally without the need of LoRaWAN server. This feature allow us to integrate MQTT in the gateway to support LoRaWAN to MQTT forwarding or visa verse. 539 539 ))) ... ... @@ -540,17 +540,15 @@ 540 540 541 541 ((( 542 542 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. 543 - 544 - 545 -(% style="color:blue" %)**Video Instruction**(%%): (% style="color:blue" %)[[https:~~/~~/youtu.be/qJTY441-t90>>url:https://youtu.be/qJTY441-t90]] 508 +(% style="color:#4f81bd" %)**Video Instruction**(%%): (% style="color:blue" %)[[https:~~/~~/youtu.be/qJTY441-t90>>url:https://youtu.be/qJTY441-t90]] 546 546 ))) 547 547 548 548 ((( 549 -(% style="color:b lue" %)**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:#4f81bd" %)**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. 550 550 ))) 551 551 552 552 ((( 553 -(% style="color:b lue" %)**Step 2**(%%): Make sure your Radio settings match the End Node settings.516 +(% style="color:#4f81bd" %)**Step 2**(%%): Make sure your Radio settings match the End Node settings. 554 554 ))) 555 555 556 556 [[image:image-20220527141235-21.png]] ... ... @@ -560,7 +560,7 @@ 560 560 561 561 ((( 562 562 ((( 563 -(% style="color:b lue" %)**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.526 +(% 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. 564 564 ))) 565 565 ))) 566 566 ... ... @@ -568,13 +568,13 @@ 568 568 569 569 570 570 571 -(% style="color:b lue" %)**Step 4**(%%): Map the Device Address to Remote ID in MQTT server.534 +(% style="color:#4f81bd" %)**Step 4**(%%): Map the Device Address to Remote ID in MQTT server. 572 572 573 573 [[image:image-20220613190635-2.png]] 574 574 575 575 576 576 577 -(% style="color:b lue" %)**Step 5: Upstream**(%%): Save the change, we can see the log info via "sytem log", End Node and MQTT Server540 +(% style="color:#4f81bd" %)**Step 5: Upstream**(%%): Save the change, we can see the log info via "sytem log", End Node and MQTT Server 578 578 579 579 [[image:image-20220527141843-24.png]] 580 580 ... ... @@ -593,19 +593,19 @@ 593 593 594 594 595 595 596 -(% style="color:b lue" %)**Step 6: Set up subscribe**(%%)**:** Subscribe a topci for downstream.559 +(% style="color:#4f81bd" %)**Step 6: Set up subscribe**(%%)**:** Subscribe a topci for downstream. 597 597 598 598 [[image:image-20220613191426-5.png]] 599 599 600 600 601 601 602 -(% style="color:b lue" %)**Step 7: Downstream**(%%): Save the change, we can see the log info via "sytem log", End Node and MQTT Server.565 +(% style="color:#4f81bd" %)**Step 7: Downstream**(%%): Save the change, we can see the log info via "sytem log", End Node and MQTT Server. 603 603 604 604 [[image:image-20220527142239-28.png]] 605 605 606 606 607 607 608 -=== 4.5.3MQTT Downstream format ===571 +=== MQTT Downstream format === 609 609 610 610 611 611 mosquitto_pub -h $server_address -p $server_port -t $Client_ID -m "**dev_addr,imme/time,txt/hex,payload**" ... ... @@ -612,7 +612,7 @@ 612 612 613 613 (% class="box infomessage" %) 614 614 ((( 615 - **mosquitto_pub -h 10.130.2.192 -p 1883 -t dragino-1d25dc/ -m "260211D,time,txt,hello"**578 +mosquitto_pub -h 10.130.2.192 -p 1883 -t dragino-1d25dc/ -m "260211D,time,txt,hello" 616 616 ))) 617 617 618 618 mosquitto_pub -h $server_address -p $server_port -t $Client_ID -m "**dev_addr,imme/time,txt/hex,payload,txpw,txbw,SF,frequency,rxwindow**" ... ... @@ -619,7 +619,7 @@ 619 619 620 620 (% class="box infomessage" %) 621 621 ((( 622 - **mosquitto_pub -h 10.130.2.192 -p 1883 -t dragino-1d25dc/ -m "260211D,time,txt,hello,20,1,SF12,923300000,2"**585 +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" 623 623 ))) 624 624 625 625 Or use [[MQTT.fx>>https://mqttfx.jensd.de/index.php/download]] ... ... @@ -626,24 +626,17 @@ 626 626 627 627 [[image:image-20220613192816-6.png||height="440" width="1056"]] 628 628 629 - 630 630 (% 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"]]** 631 631 632 - 633 633 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]] 634 634 596 += 5. How to Debug = 635 635 636 - 637 -= 5. How to Debug = 638 - 639 - 640 640 User can login the gateway's console and run (% style="color:#4f81bd" %)**logread -f**(%%). It will shows the output when there is packet arrive.User can see if it is correct. 641 641 642 642 601 += 6. How to ask for Support = 643 643 644 -= 6. How to ask for Support = 645 - 646 - 647 647 If a user still not have trouble making it works. please send a mail to support@dragino.com with the below info: 648 648 649 649 * Detail of your LoRaWAN end node.
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