Changes for page MQTT Forward Instruction

Last modified by Kilight Cao on 2024/08/31 16:26

From version < 49.2 >

edited by Xiaoling
on 2022/08/09 16:18

To version < 51.1 >

edited by Xiaoling
on 2024/08/19 15:00

Change comment: There is no comment for this version

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@@ -9,7 +9,6 @@
  Dragino LoRa/LoRaWAN gateway support MQTT forwarding. It can forward the sensor data from LoRa network to MQTT server , and vice verse.
--
  == 1.1  Support Devices ==
@@ -16,7 +16,7 @@
  This MQTT forward instruction is for below devices:
  * Firmware Version > LG02_LG08-5.3.1580178039 [[Firmware Download>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/LPS8/Firmware/Release/]]
--* 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]])
++* 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]])
  * LG02, OLG02
  * LG308, DLOS8
  * LPS8
@@ -24,8 +24,6 @@
  * MS14 series if installed with the same firmware. (in this case, the MQTT forward will work , but no LoRa support)
--
--
  = 2.  Firmware Change Log for MQTT feature =
@@ -37,11 +37,8 @@
  ** Initiate version
--
--
  = 3.  MQTT forward operating principle =
--
  == 3.1  Network Structure ==
@@ -50,14 +50,11 @@
  * **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.
  * **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.
--
--
  [[image:image-20220527133547-1.png]]
  General MQTT structure
--
  == 3.2  How sensor data is forwarded ==
@@ -64,7 +64,6 @@
  In this MQTT forward feature, the key point is how the gateway process the sensor data.
--
  === 3.2.1  Upstream ===
@@ -72,8 +72,6 @@
  (((
  The data flow works as below diagram.
--
--
  )))
  [[image:image-20220527134000-2.png]]
@@ -90,8 +90,6 @@
  (((
--
--
  )))
  === 3.2.2  Downstream ===
@@ -101,8 +101,6 @@
  (((
  Below are the data flow for downstream.
--
--
  )))
  [[image:image-20220527134038-3.png]]
@@ -110,7 +110,6 @@
  Downstream path
--
  == 3.3  Macro Definition ==
@@ -119,7 +119,6 @@
  (((
  Currently the (% style="color:#4f81bd" %)**-t (topic)**(%%) and (% style="color:#4f81bd" %)**-m (message)**(%%) support Macros.
--
  )))
@@ -133,8 +133,6 @@
  * HOSTNAME: Device Hostname
--
--
  === 3.3.2  -m message macro ===
@@ -145,8 +145,6 @@
  * JSON: Convert META to json format.
--
--
  === 3.3.3  Example for Macro ===
@@ -172,7 +172,6 @@
  )))
--
  == 3.4  Modify the MQTT to support more options ==
@@ -300,10 +300,8 @@
  )))
--
  = 4.  Example to communicate to a simple MQTT server =
--
  == 4.1  Overview ==
@@ -310,7 +310,6 @@
  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/]].
--
  == 4.2  Simulate via MQTT.fx utility ==
@@ -339,7 +339,6 @@
  Downstream: Subscribe a topic to get downstream
--
  == 4.3  Simulate via Dragino Command Line ==
@@ -361,7 +361,6 @@
  mosquitto_pub
--
  (% style="color:blue" %)**For Downstream**
  Use [[mosquitto_sub>>url:https://mosquitto.org/man/mosquitto_sub-1.html]] to subscribe the change on the topic.
@@ -371,7 +371,6 @@
  mosquitto_sub
--
  == 4.4  Configure Dragino UI for MQTT connection ==
@@ -395,7 +395,6 @@
  forward to MQTT
--
  === 4.4.1  Configure the MQTT Client for Upstream ===
@@ -416,7 +416,6 @@
  MQTT Publish configure
--
  [[image:image-20220527135929-13.png]]
  MQTT Channel settings
@@ -445,7 +445,6 @@
  MQTT Publish
--
  === 4.4.2  Configure the MQTT Client for Downstream ===
@@ -509,14 +509,11 @@
  * Downstream: Listening broadcast message from gateway, and print it in console.
  * The LoRa parameter settings in Arduino should match the LoRa settings in gateway, as below:
--
--
  [[image:image-20220527140354-18.png]]
  LoRa Parameter should match
--
  Below is the test result after the Arduino Sketch is running.
  [[image:image-20220527140459-19.png]]
@@ -524,13 +524,11 @@
  Upstream Data Flow
--
  [[image:image-20220527140542-20.png]]
  Downstream Data Flow
--
  === 4.5.2  Use LoRaWAN Protocol for communication ~-~- For LG308/LPS8/DLOS8 ===
@@ -567,44 +567,36 @@
  [[image:image-20220613191345-4.png]]
--
  (% style="color:blue" %)**Step 4**(%%): Map the Device Address to Remote ID in MQTT server.
  [[image:image-20220613190635-2.png]]
--
  (% style="color:blue" %)**Step 5: Upstream**(%%): Save the change, we can see the log info via "sytem log", End Node and MQTT Server
  [[image:image-20220527141843-24.png]]
--
--
  [[image:image-20220527141933-25.png]]
  Choose ASCII Format
--
  [[image:image-20220527142028-26.png]]
  LHT65 Decoder
--
  (% style="color:blue" %)**Step 6: Set up subscribe**(%%)**:** Subscribe a topci for downstream.
  [[image:image-20220613191426-5.png]]
--
  (% style="color:blue" %)**Step 7: Downstream**(%%): Save the change, we can see the log info via "sytem log", End Node and MQTT Server.
  [[image:image-20220527142239-28.png]]
--
  === 4.5.3  MQTT Downstream format ===
@@ -633,7 +633,6 @@
  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]]
--
  = 5.  How to Debug =
@@ -640,7 +640,6 @@
  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.
--
  = 6.  How to ask for Support =

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