Changes for page MQTT Forward Instruction
Last modified by Kilight Cao on 2024/08/31 16:26
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... ... @@ -1,19 +1,21 @@ 1 -**~ Contents:** 1 +**~ Table of Contents:** 2 2 3 3 {{toc/}} 4 4 5 5 6 -= 1. Introduction = 6 += 1. Introduction = 7 7 8 + 8 8 Dragino LoRa/LoRaWAN gateway support MQTT forwarding. It can forward the sensor data from LoRa network to MQTT server , and vice verse. 9 9 10 10 11 -== 1.1 Support Devices == 12 +== 1.1 Support Devices == 12 12 14 + 13 13 This MQTT forward instruction is for below devices: 14 14 15 15 * Firmware Version > LG02_LG08-5.3.1580178039 [[Firmware Download>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/LPS8/Firmware/Release/]] 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]])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]]) 17 17 * LG02, OLG02 18 18 * LG308, DLOS8 19 19 * LPS8 ... ... @@ -22,8 +22,10 @@ 22 22 23 23 24 24 25 -= 2. Firmware Change Log for MQTT feature = 26 26 28 += 2. Firmware Change Log for MQTT feature = 29 + 30 + 27 27 ((( 28 28 This instruction is wrote start from LG02_LG08-5.3.1580178039. Below is related change log since this version of firmware. 29 29 ))) ... ... @@ -33,14 +33,17 @@ 33 33 34 34 35 35 36 -= 3. MQTT forward operating principle = 37 37 38 -= =3.1NetworkStructure ==41 += 3. MQTT forward operating principle = 39 39 43 + 44 +== 3.1 Network Structure == 45 + 46 + 40 40 Below shows the network structure for MQTT forwarding. 41 41 42 -* 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. 43 -* 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 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. 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, 44 44 45 45 [[image:image-20220527133547-1.png]] 46 46 ... ... @@ -119,6 +119,7 @@ 119 119 120 120 MQTT Publish configure 121 121 129 + 122 122 Above screen shots shows below format: 123 123 124 124 * -t: CLIENTID/CHANNEL/data ... ... @@ -130,6 +130,7 @@ 130 130 131 131 Sensor Data 132 132 141 + 133 133 ((( 134 134 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. 135 135 ))) ... ... @@ -336,6 +336,7 @@ 336 336 337 337 go to mqtt configure menu 338 338 348 + 339 339 ((( 340 340 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. 341 341 ))) ... ... @@ -453,6 +453,7 @@ 453 453 LoRa Parameter should match 454 454 455 455 466 + 456 456 Below is the test result after the Arduino Sketch is running. 457 457 458 458 [[image:image-20220527140459-19.png]] ... ... @@ -460,6 +460,7 @@ 460 460 Upstream Data Flow 461 461 462 462 474 + 463 463 [[image:image-20220527140542-20.png]] 464 464 465 465 Downstream Data Flow ... ... @@ -491,20 +491,18 @@ 491 491 492 492 ((( 493 493 ((( 494 -(% 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**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. 495 495 ))) 496 496 ))) 497 497 498 -[[image:image-20220 527141450-22.png]]510 +[[image:image-20220613191345-4.png]] 499 499 500 -Publish mush use META as data format for LG308 501 501 502 502 503 503 (% style="color:#4f81bd" %)**Step 4**(%%): Map the Device Address to Remote ID in MQTT server. 504 504 505 -[[image:image-20220 527141727-23.png]]516 +[[image:image-20220613190635-2.png]] 506 506 507 -Map Dev Addr to remote ID 508 508 509 509 510 510 (% style="color:#4f81bd" %)**Step 5: Upstream**(%%): Save the change, we can see the log info via "sytem log", End Node and MQTT Server ... ... @@ -511,24 +511,25 @@ 511 511 512 512 [[image:image-20220527141843-24.png]] 513 513 514 -Upstream Process 515 515 516 516 526 + 517 517 [[image:image-20220527141933-25.png]] 518 518 519 519 Choose ASCII Format 520 520 521 521 532 + 522 522 [[image:image-20220527142028-26.png]] 523 523 524 524 LHT65 Decoder 525 525 526 526 538 + 527 527 (% style="color:#4f81bd" %)**Step 6: Set up subscribe**(%%)**:** Subscribe a topci for downstream. 528 528 529 -[[image:image-20220 527142115-27.png]]541 +[[image:image-20220613191426-5.png]] 530 530 531 -Subscribe to a topic 532 532 533 533 534 534 (% style="color:#4f81bd" %)**Step 7: Downstream**(%%): Save the change, we can see the log info via "sytem log", End Node and MQTT Server. ... ... @@ -535,11 +535,33 @@ 535 535 536 536 [[image:image-20220527142239-28.png]] 537 537 538 -Downstream Flow 539 539 540 -(% style="color:red" %)**Notice: The text use for Downstream must meet the requirement from [[LG308 Downstream Payload>>http://wiki1.dragino.com/xwiki/bin/view/Main/Communicate%20with%20ABP%20End%20Node%20without%20LoRaWAN%20Network%20Server%20---%20LG308/#H2.2Downstream]]** 541 541 551 +=== MQTT Downstream format === 542 542 553 + 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 +(% 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 + 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 + 543 543 = 5. How to Debug = 544 544 545 545 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.
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