Changes for page MQTT Forward Instruction
Last modified by Kilight Cao on 2024/08/31 16:26
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... ... @@ -1,15 +1,17 @@ 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/]] ... ... @@ -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 ... ... @@ -105,8 +105,6 @@ 105 105 * USERNAME: User ID (-u) 106 106 * HOSTNAME: Device Hostname 107 107 108 - 109 - 110 110 === 3.3.2 -m message macro === 111 111 112 112 * HOSTNAME: Device Hostname ... ... @@ -115,8 +115,6 @@ 115 115 * META: Completely sensor data with time stamp and rssi 116 116 * JSON: Convert META to json format. 117 117 118 - 119 - 120 120 === 3.3.3 Example for Macro === 121 121 122 122 [[image:image-20220527134251-4.png]] ... ... @@ -123,6 +123,7 @@ 123 123 124 124 MQTT Publish configure 125 125 129 + 126 126 Above screen shots shows below format: 127 127 128 128 * -t: CLIENTID/CHANNEL/data ... ... @@ -134,6 +134,7 @@ 134 134 135 135 Sensor Data 136 136 141 + 137 137 ((( 138 138 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. 139 139 ))) ... ... @@ -340,6 +340,7 @@ 340 340 341 341 go to mqtt configure menu 342 342 348 + 343 343 ((( 344 344 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. 345 345 ))) ... ... @@ -457,6 +457,7 @@ 457 457 LoRa Parameter should match 458 458 459 459 466 + 460 460 Below is the test result after the Arduino Sketch is running. 461 461 462 462 [[image:image-20220527140459-19.png]] ... ... @@ -464,6 +464,7 @@ 464 464 Upstream Data Flow 465 465 466 466 474 + 467 467 [[image:image-20220527140542-20.png]] 468 468 469 469 Downstream Data Flow ... ... @@ -495,20 +495,18 @@ 495 495 496 496 ((( 497 497 ((( 498 -(% 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. 499 499 ))) 500 500 ))) 501 501 502 -[[image:image-20220 527141450-22.png]]510 +[[image:image-20220613191345-4.png]] 503 503 504 -Publish mush use META as data format for LG308 505 505 506 506 507 507 (% style="color:#4f81bd" %)**Step 4**(%%): Map the Device Address to Remote ID in MQTT server. 508 508 509 -[[image:image-20220 527141727-23.png]]516 +[[image:image-20220613190635-2.png]] 510 510 511 -Map Dev Addr to remote ID 512 512 513 513 514 514 (% style="color:#4f81bd" %)**Step 5: Upstream**(%%): Save the change, we can see the log info via "sytem log", End Node and MQTT Server ... ... @@ -515,24 +515,25 @@ 515 515 516 516 [[image:image-20220527141843-24.png]] 517 517 518 -Upstream Process 519 519 520 520 526 + 521 521 [[image:image-20220527141933-25.png]] 522 522 523 523 Choose ASCII Format 524 524 525 525 532 + 526 526 [[image:image-20220527142028-26.png]] 527 527 528 528 LHT65 Decoder 529 529 530 530 538 + 531 531 (% style="color:#4f81bd" %)**Step 6: Set up subscribe**(%%)**:** Subscribe a topci for downstream. 532 532 533 -[[image:image-20220 527142115-27.png]]541 +[[image:image-20220613191426-5.png]] 534 534 535 -Subscribe to a topic 536 536 537 537 538 538 (% style="color:#4f81bd" %)**Step 7: Downstream**(%%): Save the change, we can see the log info via "sytem log", End Node and MQTT Server. ... ... @@ -539,10 +539,32 @@ 539 539 540 540 [[image:image-20220527142239-28.png]] 541 541 542 -Downstream Flow 543 543 550 + 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 + 544 544 (% 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"]]** 545 545 574 +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]] 546 546 547 547 = 5. How to Debug = 548 548
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