Changes for page MQTT Forward Instruction
Last modified by Kilight Cao on 2024/08/31 16:26
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... ... @@ -23,6 +23,8 @@ 23 23 * MS14 series if installed with the same firmware. (in this case, the MQTT forward will work , but no LoRa support) 24 24 25 25 26 + 27 + 26 26 = 2. Firmware Change Log for MQTT feature = 27 27 28 28 ... ... @@ -34,6 +34,8 @@ 34 34 ** Initiate version 35 35 36 36 39 + 40 + 37 37 = 3. MQTT forward operating principle = 38 38 39 39 ... ... @@ -43,7 +43,7 @@ 43 43 Below shows the network structure for MQTT forwarding. 44 44 45 45 * **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. 46 -* **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 +* **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, 47 47 48 48 [[image:image-20220527133547-1.png]] 49 49 ... ... @@ -50,7 +50,6 @@ 50 50 General MQTT structure 51 51 52 52 53 - 54 54 == 3.2 How sensor data is forwarded == 55 55 56 56 ... ... @@ -59,13 +59,10 @@ 59 59 60 60 === 3.2.1 Upstream === 61 61 62 - 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. 67 - 68 - 69 69 ))) 70 70 71 71 [[image:image-20220527134000-2.png]] ... ... @@ -98,7 +98,6 @@ 98 98 Downstream path 99 99 100 100 101 - 102 102 == 3.3 Macro Definition == 103 103 104 104 ... ... @@ -107,7 +107,6 @@ 107 107 ((( 108 108 Currently the (% style="color:#4f81bd" %)**-t (topic)**(%%) and (% style="color:#4f81bd" %)**-m (message)**(%%) support Macros. 109 109 110 - 111 111 112 112 ))) 113 113 ... ... @@ -120,7 +120,6 @@ 120 120 * USERNAME: User ID (-u) 121 121 * HOSTNAME: Device Hostname 122 122 123 - 124 124 === 3.3.2 -m message macro === 125 125 126 126 ... ... @@ -130,7 +130,6 @@ 130 130 * META: Completely sensor data with time stamp and rssi 131 131 * JSON: Convert META to json format. 132 132 133 - 134 134 === 3.3.3 Example for Macro === 135 135 136 136 ... ... @@ -325,7 +325,6 @@ 325 325 326 326 == 4.3 Simulate via Dragino Command Line == 327 327 328 - 329 329 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. 330 330 331 331 In the Dragino Gateway, we use [[mosquitto client>>url:https://mosquitto.org/]] for MQTT connection. ... ... @@ -354,10 +354,8 @@ 354 354 mosquitto_sub 355 355 356 356 357 - 358 358 == 4.4 Configure Dragino UI for MQTT connection == 359 359 360 - 361 361 This chapter are step by step to show to configure the Dragino Menu for MQTT auto connection. 362 362 363 363 ((( ... ... @@ -522,11 +522,11 @@ 522 522 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. 523 523 524 524 525 -(% style="color:b lue" %)**Video Instruction**(%%): (% style="color:blue" %)[[https:~~/~~/youtu.be/qJTY441-t90>>url:https://youtu.be/qJTY441-t90]]518 +(% style="color:#4f81bd" %)**Video Instruction**(%%): (% style="color:blue" %)[[https:~~/~~/youtu.be/qJTY441-t90>>url:https://youtu.be/qJTY441-t90]] 526 526 ))) 527 527 528 528 ((( 529 -(% 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. 522 +(% 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. 530 530 ))) 531 531 532 532 ((( ... ... @@ -599,7 +599,7 @@ 599 599 600 600 (% class="box infomessage" %) 601 601 ((( 602 -**mosquitto_pub -h 10.130.2.192 -p 1883 -t dragino-1d25dc/ -m "260211D,time,txt,hello,20,1,SF12,923300000,2"** 595 +**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"** 603 603 ))) 604 604 605 605 Or use [[MQTT.fx>>https://mqttfx.jensd.de/index.php/download]]