Changes for page MQTT Forward Instruction

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

From version < 9.2 >

edited by Xiaoling
on 2022/05/27 13:50

To version < 2.2 >

edited by Xiaoling
on 2022/05/12 16:32

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@@ -7,13 +7,12 @@
  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 ==
  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>>url:https://wiki.dragino.com/index.php/Through_MQTT_to_upload_data]])
++* LG01N, OLG01N ((% class="mark" %)**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]])
  * LG02, OLG02
  * LG308, DLOS8
  * LPS8
@@ -38,7 +38,7 @@
  * 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]]
++[[image:https://wiki.dragino.com/images/thumb/4/45/MQTT_Forward_1.png/600px-MQTT_Forward_1.png||height="348" width="600"]]
  General MQTT structure
@@ -56,7 +56,7 @@
  The data flow works as below diagram.
  )))
--[[image:image-20220527134000-2.png]]
++[[~[~[image:https://wiki.dragino.com/images/thumb/2/2a/MQTT_Forward_2.png/600px-MQTT_Forward_2.png~|~|height="355" width="600"~]~]>>url:https://wiki.dragino.com/index.php/File:MQTT_Forward_2.png]]
  (((
  Upstream path
@@ -78,7 +78,7 @@
  Below are the data flow for downstream.
  )))
--[[image:image-20220527134038-3.png]]
++[[image:https://wiki.dragino.com/images/thumb/3/3a/MQTT_Forward_3.png/600px-MQTT_Forward_3.png||height="368" width="600"]]
  Downstream path
@@ -88,9 +88,7 @@
  The MQTT publish command use Macro settings to generate flexible upstream payload for MQTT publish.
  (((
--Currently the (% style="color:#4f81bd" %)**-t (topic)**(%%) and (% style="color:#4f81bd" %)**-m (message)**(%%) support Macros.
--
--
++Currently the (% class="mark" %)**-t (topic)**(%%) and (% class="mark" %)**-m (message)**(%%) support Macros.
  )))
  === 3.3.1 -t topic macro ===
@@ -111,7 +111,7 @@
  === 3.3.3 Example for Macro ===
--[[image:image-20220527134251-4.png]]
++[[image:https://wiki.dragino.com/images/thumb/c/c7/MQTT_Command_9.png/600px-MQTT_Command_9.png||height="385" width="600"]]
  MQTT Publish configure
@@ -122,12 +122,12 @@
  When there is a LoRa sensor arrive. it will be store at the /var/iot/channels as below:
--[[image:image-20220527134332-5.png]]
++[[image:https://wiki.dragino.com/images/thumb/c/c4/MQTT_Command_20.png/600px-MQTT_Command_20.png||height="325" width="600"]]
  Sensor Data
  (((
--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.
++According to above macro. Gateway will publish (% class="mark" %)**field1=22.0&field2=49.0**(%%) to topic: (% class="mark" %)**dragino-1b7060/78901/data**(%%), where 78901 is the remote channel for this node ID.
  )))
@@ -186,7 +186,7 @@
  ~-~-help : display this message.
  ~-~-repeat : if publish mode is -f, -m, or -s, then repeat the publish N times.
  ~-~-repeat-delay : if using ~-~-repeat, wait time seconds between publishes. Defaults to 0.
--~-~-quiet : (% style="color:red" %)don't print error messages.
++~-~-quiet : (% class="mark" %)don't print error messages.
  ~-~-will-payload : payload for the client Will, which is sent by the broker in case of
                    unexpected disconnection. If not given and will-topic is set, a zero
                    length message will be sent.
@@ -224,7 +224,7 @@
  (% class="box" %)
  (((
--//# Call MQTT Publish command
++# Call MQTT Publish command
  \\# 1. Case with User, Password and Client ID present  (e.g. Azure)
  if [ ! -z "$pass" ] && [ ! -z "$user" ] && [ ! -z "$clientID" ]; then
  case="1"
@@ -251,9 +251,9 @@
  mosquitto_pub $D -h $server -p $port -q $pub_qos  -t $pub_topic -u $user -P "$pass" $PUB_FLAG "$mqtt_data"
  \\# 0. Else - invalid parameters, just log
  else
--case="(% style="color:red" %)Invalid parameters" (%%)
--logger (% style="color:red" %)"[IoT.MQTT]:Invalid Parameters - mosquitto_pub not called."(%%)
--fi//
++case="Invalid parameters"
++logger "[IoT.MQTT]:Invalid Parameters - mosquitto_pub not called."
++fi
  )))
@@ -263,7 +263,6 @@
  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 ==
  The [[MQTT.fx>>url:http://mqttfx.jensd.de/index.php/download]] is a MQTT client tool. We can use this to simulate a MQTT connection to our MQTT broker first to make sure the MQTT broker works. This will also help us understand how it works.
@@ -272,18 +272,16 @@
  In this test, the MQTT broker and MQTT.fx are installed in the same PC, so the MQTT server address in MQTT.fx should be localhost. Below shows how to connect to the server.
  )))
--[[image:image-20220527134929-6.png]]
++[[image:https://wiki.dragino.com/images/thumb/0/06/MQTT_Forward_4.png/600px-MQTT_Forward_4.png||height="201" width="600"]]
  Connect to MQTT Broker
--
  After connected, use publish to public some thing to MQTT server. This to simulate upsteam
--[[image:image-20220527135037-7.png]]
++[[image:https://wiki.dragino.com/images/thumb/b/bd/MQTT_Forward_5.png/600px-MQTT_Forward_5.png||height="149" width="600"]]
  Upstream: Publish message to MQTT Broker
--
  To simulate a downstream, use MQTT.fx to subscribe a topic, and publish something to this topic. as Below:
  [[image:https://wiki.dragino.com/images/thumb/3/3d/MQTT_Forward_6.png/600px-MQTT_Forward_6.png||height="279" width="600"]]
@@ -483,10 +483,8 @@
  (((
--(((
  **Step 3**: Set up publish format and MQTT channel. The LG308 will store the Data from End node in HEX format in the file. And we need to config the format to META
  )))
--)))
  [[image:https://wiki.dragino.com/images/thumb/8/8d/LG308_MQTT_3.png/600px-LG308_MQTT_3.png||height="385" width="600"]]
@@ -493,7 +493,7 @@
  Publish mush use META as data format for LG308
--**Step 4**: Map the Device Address to Remote ID in MQTT server.
++Step 4: Map the Device Address to Remote ID in MQTT server.
  [[image:https://wiki.dragino.com/images/thumb/7/7f/LG308_MQTT_4.png/600px-LG308_MQTT_4.png||height="335" width="600"]]
@@ -500,7 +500,7 @@
  Map Dev Addr to remote ID
--**Step 5: Upstream**: Save the change, we can see the log info via "sytem log", End Node and MQTT Server
++Step 5: Upstream: Save the change, we can see the log info via "sytem log", End Node and MQTT Server
  [[image:https://wiki.dragino.com/images/thumb/b/be/LG308_MQTT_6.png/600px-LG308_MQTT_6.png||height="279" width="600"]]
@@ -514,21 +514,20 @@
  LHT65 Decoder
++Step 6: Set up subscribe: Subscribe a topci for downstream.
--**Step 6: Set up subscribe:** Subscribe a topci for downstream.
--
  [[image:https://wiki.dragino.com/images/thumb/b/b9/LG308_MQTT_7.png/600px-LG308_MQTT_7.png||height="176" width="600"]]
  Subscribe to a topic
--**Step 7**: Downstream: Save the change, we can see the log info via "sytem log", End Node and MQTT Server.
++Step 7: Downstream: Save the change, we can see the log info via "sytem log", End Node and MQTT Server.
  [[image:https://wiki.dragino.com/images/thumb/9/97/LG308_MQTT_8.png/600px-LG308_MQTT_8.png||height="298" width="600"]]
  Downstream Flow
--(% class="mark" %)**Notice: The text use for Downstream must meet the requirement from [[LG308 Downstream Payload>>url:https://wiki.dragino.com/index.php/Communication_with_ABP_End_Node#Downstream]]**
++Notice: The text use for Downstream must meet the requirement from [[LG308 Downstream Payload>>url:https://wiki.dragino.com/index.php/Communication_with_ABP_End_Node#Downstream]]
  = 5. Example For Different MQTT Servers =
@@ -544,6 +544,7 @@
  )))|=(% style="width: 242px;" %)(((
  [[image:https://wiki.dragino.com/images/thumb/3/3b/Lewei50.png/200px-Lewei50.png||alt="Lewei50.png" height="65" width="223"]]
++==   ==
  == [[乐联网平台>>url:https://www.lewei50.com/]] ==

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