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 ... ... @@ -16,7 +16,7 @@ 16 16 This MQTT forward instruction is for below devices: 17 17 18 18 * Firmware Version > LG02_LG08-5.3.1580178039 [[Firmware Download>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/LPS8/Firmware/Release/]] 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]])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]]) 20 20 * LG02, OLG02 21 21 * LG308, DLOS8 22 22 * LPS8 ... ... @@ -23,8 +23,6 @@ 23 23 * LIG16 24 24 * MS14 series if installed with the same firmware. (in this case, the MQTT forward will work , but no LoRa support) 25 25 26 - 27 - 28 28 = 2. Firmware Change Log for MQTT feature = 29 29 30 30 ... ... @@ -35,8 +35,6 @@ 35 35 * LG02_LG08-5.3.1580178039 36 36 ** Initiate version 37 37 38 - 39 - 40 40 = 3. MQTT forward operating principle = 41 41 42 42 ... ... @@ -46,15 +46,13 @@ 46 46 Below shows the network structure for MQTT forwarding. 47 47 48 48 * **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. 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 .44 +* **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, 50 50 51 - 52 52 [[image:image-20220527133547-1.png]] 53 53 54 54 General MQTT structure 55 55 56 56 57 - 58 58 == 3.2 How sensor data is forwarded == 59 59 60 60 ... ... @@ -61,16 +61,12 @@ 61 61 In this MQTT forward feature, the key point is how the gateway process the sensor data. 62 62 63 63 64 - 65 65 === 3.2.1 Upstream === 66 66 67 - 68 68 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. 69 69 70 70 ((( 71 71 The data flow works as below diagram. 72 - 73 - 74 74 ))) 75 75 76 76 [[image:image-20220527134000-2.png]] ... ... @@ -87,8 +87,6 @@ 87 87 88 88 ((( 89 89 90 - 91 - 92 92 ))) 93 93 94 94 === 3.2.2 Downstream === ... ... @@ -98,8 +98,6 @@ 98 98 99 99 ((( 100 100 Below are the data flow for downstream. 101 - 102 - 103 103 ))) 104 104 105 105 [[image:image-20220527134038-3.png]] ... ... @@ -107,7 +107,6 @@ 107 107 Downstream path 108 108 109 109 110 - 111 111 == 3.3 Macro Definition == 112 112 113 113 ... ... @@ -116,7 +116,6 @@ 116 116 ((( 117 117 Currently the (% style="color:#4f81bd" %)**-t (topic)**(%%) and (% style="color:#4f81bd" %)**-m (message)**(%%) support Macros. 118 118 119 - 120 120 121 121 ))) 122 122 ... ... @@ -130,7 +130,6 @@ 130 130 * HOSTNAME: Device Hostname 131 131 132 132 133 - 134 134 === 3.3.2 -m message macro === 135 135 136 136 ... ... @@ -141,7 +141,6 @@ 141 141 * JSON: Convert META to json format. 142 142 143 143 144 - 145 145 === 3.3.3 Example for Macro === 146 146 147 147 ... ... @@ -305,7 +305,6 @@ 305 305 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/]]. 306 306 307 307 308 - 309 309 == 4.2 Simulate via MQTT.fx utility == 310 310 311 311 ... ... @@ -337,7 +337,6 @@ 337 337 338 338 == 4.3 Simulate via Dragino Command Line == 339 339 340 - 341 341 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. 342 342 343 343 In the Dragino Gateway, we use [[mosquitto client>>url:https://mosquitto.org/]] for MQTT connection. ... ... @@ -366,10 +366,8 @@ 366 366 mosquitto_sub 367 367 368 368 369 - 370 370 == 4.4 Configure Dragino UI for MQTT connection == 371 371 372 - 373 373 This chapter are step by step to show to configure the Dragino Menu for MQTT auto connection. 374 374 375 375 ((( ... ... @@ -478,7 +478,6 @@ 478 478 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. 479 479 480 480 481 - 482 482 === 4.5.1 Use LoRa Raw protocol for communication ~-~- For LG01/LG02 === 483 483 484 484 ... ... @@ -504,7 +504,6 @@ 504 504 * Downstream: Listening broadcast message from gateway, and print it in console. 505 505 * The LoRa parameter settings in Arduino should match the LoRa settings in gateway, as below: 506 506 507 - 508 508 [[image:image-20220527140354-18.png]] 509 509 510 510 LoRa Parameter should match ... ... @@ -536,11 +536,11 @@ 536 536 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. 537 537 538 538 539 -(% style="color:b lue" %)**Video Instruction**(%%): (% style="color:blue" %)[[https:~~/~~/youtu.be/qJTY441-t90>>url:https://youtu.be/qJTY441-t90]]514 +(% style="color:#4f81bd" %)**Video Instruction**(%%): (% style="color:blue" %)[[https:~~/~~/youtu.be/qJTY441-t90>>url:https://youtu.be/qJTY441-t90]] 540 540 ))) 541 541 542 542 ((( 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. 518 +(% style="color:blued" %)**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. 544 544 ))) 545 545 546 546 ((( ... ... @@ -613,7 +613,7 @@ 613 613 614 614 (% class="box infomessage" %) 615 615 ((( 616 -**mosquitto_pub -h 10.130.2.192 -p 1883 -t dragino-1d25dc/ -m "260211D,time,txt,hello,20,1,SF12,923300000,2"** 591 +**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"** 617 617 ))) 618 618 619 619 Or use [[MQTT.fx>>https://mqttfx.jensd.de/index.php/download]] ... ... @@ -634,7 +634,6 @@ 634 634 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. 635 635 636 636 637 - 638 638 = 6. How to ask for Support = 639 639 640 640