Changes for page MQTT Forward Instruction
Last modified by Kilight Cao on 2024/08/31 16:26
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... ... @@ -1,21 +1,19 @@ 1 -**~ Table ofContents:**1 +**~ Contents:** 2 2 3 3 {{toc/}} 4 4 5 5 6 -= 1. 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 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/]] 18 -* LG01N, OLG01N ((% style="color:red" %)**Warning**(%%): LG01-P LG01-S use another instruction: [[MQTT for LG01-P/LG01S>>doc :Through.WebHome]])16 +* LG01N, OLG01N ((% style="color:red" %)**Warning**(%%): LG01-P LG01-S use another instruction: [[MQTT for LG01-P/LG01S>>url:https://wiki.dragino.com/index.php/Through_MQTT_to_upload_data]]) 19 19 * LG02, OLG02 20 20 * LG308, DLOS8 21 21 * LPS8 ... ... @@ -22,12 +22,8 @@ 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 23 += 2. Firmware Change Log for MQTT feature = 25 25 26 - 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 ))) ... ... @@ -35,19 +35,14 @@ 35 35 * LG02_LG08-5.3.1580178039 36 36 ** Initiate version 37 37 32 += 3. MQTT forward operating principle = 38 38 34 +== 3.1 Network Structure == 39 39 40 - 41 -= 3. MQTT forward operating principle = 42 - 43 - 44 -== 3.1 Network Structure == 45 - 46 - 47 47 Below shows the network structure for MQTT forwarding. 48 48 49 -* **For Uplink:**50 -* **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,38 +* 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. 39 +* 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, 51 51 52 52 [[image:image-20220527133547-1.png]] 53 53 ... ... @@ -126,7 +126,6 @@ 126 126 127 127 MQTT Publish configure 128 128 129 - 130 130 Above screen shots shows below format: 131 131 132 132 * -t: CLIENTID/CHANNEL/data ... ... @@ -138,7 +138,6 @@ 138 138 139 139 Sensor Data 140 140 141 - 142 142 ((( 143 143 According to above macro. Gateway will publish (% style="color:#4f81bd" %)**field1=22.0&field2=49.0**(%%) to topic: (% style="color:#4f81bd" %)**dragino-1b7060/78901/data**(%%), where 78901 is the remote channel for this node ID. 144 144 ))) ... ... @@ -345,7 +345,6 @@ 345 345 346 346 go to mqtt configure menu 347 347 348 - 349 349 ((( 350 350 Select (% style="color:#4f81bd" %)**Forward to MQTT server**. (% style="color:red" %)**Notice**(%%): This option is removed from the latest firmware, in the latest firmware, if user submit "SAVE & APPLY" in MQTT page, the gateway will use MQTT service. 351 351 ))) ... ... @@ -463,7 +463,6 @@ 463 463 LoRa Parameter should match 464 464 465 465 466 - 467 467 Below is the test result after the Arduino Sketch is running. 468 468 469 469 [[image:image-20220527140459-19.png]] ... ... @@ -471,7 +471,6 @@ 471 471 Upstream Data Flow 472 472 473 473 474 - 475 475 [[image:image-20220527140542-20.png]] 476 476 477 477 Downstream Data Flow ... ... @@ -503,18 +503,20 @@ 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. 490 +(% 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-20220 613191345-4.png]]494 +[[image:image-20220527141450-22.png]] 511 511 496 +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-20220 613190635-2.png]]501 +[[image:image-20220527141727-23.png]] 517 517 503 +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 ... ... @@ -521,25 +521,24 @@ 521 521 522 522 [[image:image-20220527141843-24.png]] 523 523 510 +Upstream Process 524 524 525 525 526 - 527 527 [[image:image-20220527141933-25.png]] 528 528 529 529 Choose ASCII Format 530 530 531 531 532 - 533 533 [[image:image-20220527142028-26.png]] 534 534 535 535 LHT65 Decoder 536 536 537 537 538 - 539 539 (% style="color:#4f81bd" %)**Step 6: Set up subscribe**(%%)**:** Subscribe a topci for downstream. 540 540 541 -[[image:image-20220 613191426-5.png]]525 +[[image:image-20220527142115-27.png]] 542 542 527 +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]] 548 548 534 +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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