Changes for page MQTT Forward Instruction
Last modified by Kilight Cao on 2024/08/31 16:26
Summary
-
Page properties (1 modified, 0 added, 0 removed)
Details
- Page properties
-
- Content
-
... ... @@ -9,6 +9,7 @@ 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 + 12 12 == 1.1 Support Devices == 13 13 14 14 ... ... @@ -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]]) 19 +* 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 ... ... @@ -45,13 +45,15 @@ 45 45 Below shows the network structure for MQTT forwarding. 46 46 47 47 * **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. 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 ,49 +* **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 49 51 + 50 50 [[image:image-20220527133547-1.png]] 51 51 52 52 General MQTT structure 53 53 54 54 57 + 55 55 == 3.2 How sensor data is forwarded == 56 56 57 57 ... ... @@ -58,12 +58,16 @@ 58 58 In this MQTT forward feature, the key point is how the gateway process the sensor data. 59 59 60 60 64 + 61 61 === 3.2.1 Upstream === 62 62 67 + 63 63 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. 64 64 65 65 ((( 66 66 The data flow works as below diagram. 72 + 73 + 67 67 ))) 68 68 69 69 [[image:image-20220527134000-2.png]] ... ... @@ -80,6 +80,8 @@ 80 80 81 81 ((( 82 82 90 + 91 + 83 83 ))) 84 84 85 85 === 3.2.2 Downstream === ... ... @@ -89,6 +89,8 @@ 89 89 90 90 ((( 91 91 Below are the data flow for downstream. 101 + 102 + 92 92 ))) 93 93 94 94 [[image:image-20220527134038-3.png]] ... ... @@ -96,6 +96,7 @@ 96 96 Downstream path 97 97 98 98 110 + 99 99 == 3.3 Macro Definition == 100 100 101 101 ... ... @@ -104,6 +104,7 @@ 104 104 ((( 105 105 Currently the (% style="color:#4f81bd" %)**-t (topic)**(%%) and (% style="color:#4f81bd" %)**-m (message)**(%%) support Macros. 106 106 119 + 107 107 108 108 ))) 109 109 ... ... @@ -118,7 +118,6 @@ 118 118 119 119 120 120 121 - 122 122 === 3.3.2 -m message macro === 123 123 124 124 ... ... @@ -130,7 +130,6 @@ 130 130 131 131 132 132 133 - 134 134 === 3.3.3 Example for Macro === 135 135 136 136 ... ... @@ -294,6 +294,7 @@ 294 294 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/]]. 295 295 296 296 308 + 297 297 == 4.2 Simulate via MQTT.fx utility == 298 298 299 299 ... ... @@ -325,6 +325,7 @@ 325 325 326 326 == 4.3 Simulate via Dragino Command Line == 327 327 340 + 328 328 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. 329 329 330 330 In the Dragino Gateway, we use [[mosquitto client>>url:https://mosquitto.org/]] for MQTT connection. ... ... @@ -353,8 +353,10 @@ 353 353 mosquitto_sub 354 354 355 355 356 -== 4.4 Configure Dragino UI for MQTT connection == 357 357 370 +== 4.4 Configure Dragino UI for MQTT connection == 371 + 372 + 358 358 This chapter are step by step to show to configure the Dragino Menu for MQTT auto connection. 359 359 360 360 ((( ... ... @@ -361,7 +361,7 @@ 361 361 Go to (% style="color:#4f81bd" %)**Dragino Menu ~-~-> MQTT Client** 362 362 ))) 363 363 364 -[[image: https://wiki.dragino.com/images/thumb/b/bc/MQTT_Command_8.png/600px-MQTT_Command_8.png||height="249" width="600"]]379 +[[image:image-20220714155901-1.png]] 365 365 366 366 go to mqtt configure menu 367 367 ... ... @@ -375,24 +375,28 @@ 375 375 forward to MQTT 376 376 377 377 378 -=== 4.4.1 Configure the MQTT Client for Upstream === 379 379 380 - Belowscreenshotis sameasthepublishcommand:394 +=== 4.4.1 Configure the MQTT Client for Upstream === 381 381 396 + 397 +**Below screenshot is same as the publish command:** 398 + 382 382 (% class="box" %) 383 383 ((( 384 -mosquitto_pub -h 192.168.199.148 -p 1883 -i dragino-1b7060 -t CLIENTID/CHANNEL/data -m DATA 401 +**mosquitto_pub -h 192.168.199.148 -p 1883 -i dragino-1b7060 -t CLIENTID/CHANNEL/data -m DATA 385 385 ~/~/where the CLIENTID, CHANNEL & DATA are macro. represent for 386 386 ~/~/CLIENTID: dragino-1b7060 387 387 ~/~/CHANNEL: Remote ID in Channel settings; here is 78901 or 567456 388 -~/~/DATA: The data stores in /var/iot/channels/ 405 +~/~/DATA: The data stores in /var/iot/channels/** 389 389 ))) 390 390 408 + 391 391 [[image:image-20220527135828-12.png]] 392 392 393 393 MQTT Publish configure 394 394 395 395 414 + 396 396 [[image:image-20220527135929-13.png]] 397 397 398 398 MQTT Channel settings ... ... @@ -421,8 +421,10 @@ 421 421 MQTT Publish 422 422 423 423 424 -=== 4.4.2 Configure the MQTT Client for Downstream === 425 425 444 +=== 4.4.2 Configure the MQTT Client for Downstream === 445 + 446 + 426 426 Below screen shot equal to this subscribe command: 427 427 428 428 (% class="box" %) ... ... @@ -451,13 +451,16 @@ 451 451 downstream simulation 452 452 453 453 454 -== 4.5 Add LoRa support to communicate with remote sensor == 475 +== 4.5 Add LoRa support to communicate with remote sensor == 455 455 477 + 456 456 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. 457 457 458 458 459 -=== 4.5.1 Use LoRa Raw protocol for communication ~-~- For LG01/LG02 === 460 460 482 +=== 4.5.1 Use LoRa Raw protocol for communication ~-~- For LG01/LG02 === 483 + 484 + 461 461 ((( 462 462 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. 463 463 ))) ... ... @@ -468,6 +468,8 @@ 468 468 469 469 ((( 470 470 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. 495 + 496 + 471 471 ))) 472 472 473 473 ((( ... ... @@ -478,6 +478,7 @@ 478 478 * Downstream: Listening broadcast message from gateway, and print it in console. 479 479 * The LoRa parameter settings in Arduino should match the LoRa settings in gateway, as below: 480 480 507 + 481 481 [[image:image-20220527140354-18.png]] 482 482 483 483 LoRa Parameter should match ... ... @@ -497,8 +497,10 @@ 497 497 Downstream Data Flow 498 498 499 499 500 -=== 4.5.2 Use LoRaWAN Protocol for communication ~-~- For LG308/LPS8/DLOS8 === 501 501 528 +=== 4.5.2 Use LoRaWAN Protocol for communication ~-~- For LG308/LPS8/DLOS8 === 529 + 530 + 502 502 ((( 503 503 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. 504 504 ))) ... ... @@ -505,15 +505,17 @@ 505 505 506 506 ((( 507 507 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. 508 -(% style="color:#4f81bd" %)**Video Instruction**(%%): (% style="color:blue" %)[[https:~~/~~/youtu.be/qJTY441-t90>>url:https://youtu.be/qJTY441-t90]] 537 + 538 + 539 +(% style="color:blue" %)**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: #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.543 +(% 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. 513 513 ))) 514 514 515 515 ((( 516 -(% style="color: #4f81bd" %)**Step 2**(%%): Make sure your Radio settings match the End Node settings.547 +(% style="color:blue" %)**Step 2**(%%): Make sure your Radio settings match the End Node settings. 517 517 ))) 518 518 519 519 [[image:image-20220527141235-21.png]] ... ... @@ -523,7 +523,7 @@ 523 523 524 524 ((( 525 525 ((( 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.557 +(% style="color:blue" %)**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. 527 527 ))) 528 528 ))) 529 529 ... ... @@ -531,13 +531,13 @@ 531 531 532 532 533 533 534 -(% style="color: #4f81bd" %)**Step 4**(%%): Map the Device Address to Remote ID in MQTT server.565 +(% style="color:blue" %)**Step 4**(%%): Map the Device Address to Remote ID in MQTT server. 535 535 536 536 [[image:image-20220613190635-2.png]] 537 537 538 538 539 539 540 -(% style="color: #4f81bd" %)**Step 5: Upstream**(%%): Save the change, we can see the log info via "sytem log", End Node and MQTT Server571 +(% style="color:blue" %)**Step 5: Upstream**(%%): Save the change, we can see the log info via "sytem log", End Node and MQTT Server 541 541 542 542 [[image:image-20220527141843-24.png]] 543 543 ... ... @@ -556,19 +556,19 @@ 556 556 557 557 558 558 559 -(% style="color: #4f81bd" %)**Step 6: Set up subscribe**(%%)**:** Subscribe a topci for downstream.590 +(% style="color:blue" %)**Step 6: Set up subscribe**(%%)**:** Subscribe a topci for downstream. 560 560 561 561 [[image:image-20220613191426-5.png]] 562 562 563 563 564 564 565 -(% style="color: #4f81bd" %)**Step 7: Downstream**(%%): Save the change, we can see the log info via "sytem log", End Node and MQTT Server.596 +(% style="color:blue" %)**Step 7: Downstream**(%%): Save the change, we can see the log info via "sytem log", End Node and MQTT Server. 566 566 567 567 [[image:image-20220527142239-28.png]] 568 568 569 569 570 570 571 -=== MQTT Downstream format === 602 +=== 4.5.3 MQTT Downstream format === 572 572 573 573 574 574 mosquitto_pub -h $server_address -p $server_port -t $Client_ID -m "**dev_addr,imme/time,txt/hex,payload**" ... ... @@ -575,7 +575,7 @@ 575 575 576 576 (% class="box infomessage" %) 577 577 ((( 578 -mosquitto_pub -h 10.130.2.192 -p 1883 -t dragino-1d25dc/ -m "260211D,time,txt,hello" 609 +**mosquitto_pub -h 10.130.2.192 -p 1883 -t dragino-1d25dc/ -m "260211D,time,txt,hello"** 579 579 ))) 580 580 581 581 mosquitto_pub -h $server_address -p $server_port -t $Client_ID -m "**dev_addr,imme/time,txt/hex,payload,txpw,txbw,SF,frequency,rxwindow**" ... ... @@ -582,7 +582,7 @@ 582 582 583 583 (% class="box infomessage" %) 584 584 ((( 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"616 +**mosquitto_pub -h 10.130.2.192 -p 1883 -t dragino-1d25dc/ -m "260211D,time,txt,hello,20,1,SF12,923300000,2"** 586 586 ))) 587 587 588 588 Or use [[MQTT.fx>>https://mqttfx.jensd.de/index.php/download]] ... ... @@ -589,17 +589,24 @@ 589 589 590 590 [[image:image-20220613192816-6.png||height="440" width="1056"]] 591 591 623 + 592 592 (% 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"]]** 593 593 626 + 594 594 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]] 595 595 596 -= 5. How to Debug = 597 597 630 + 631 += 5. How to Debug = 632 + 633 + 598 598 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. 599 599 600 600 601 -= 6. How to ask for Support = 602 602 638 += 6. How to ask for Support = 639 + 640 + 603 603 If a user still not have trouble making it works. please send a mail to support@dragino.com with the below info: 604 604 605 605 * Detail of your LoRaWAN end node.