Changes for page MQTT Forward Instruction
Last modified by Kilight Cao on 2024/08/31 16:26
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... ... @@ -7,13 +7,12 @@ 7 7 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 - 11 11 == 1.1 Support Devices == 12 12 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/]] 16 -* 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]])15 +* 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]]) 17 17 * LG02, OLG02 18 18 * LG308, DLOS8 19 19 * LPS8 ... ... @@ -38,7 +38,7 @@ 38 38 * 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. 39 39 * 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, 40 40 41 -[[image:image -20220527133547-1.png]]40 +[[image:https://wiki.dragino.com/images/thumb/4/45/MQTT_Forward_1.png/600px-MQTT_Forward_1.png||height="348" width="600"]] 42 42 43 43 General MQTT structure 44 44 ... ... @@ -56,7 +56,7 @@ 56 56 The data flow works as below diagram. 57 57 ))) 58 58 59 -[[image:image -20220527134000-2.png]]58 +[[~[~[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]] 60 60 61 61 ((( 62 62 Upstream path ... ... @@ -78,7 +78,7 @@ 78 78 Below are the data flow for downstream. 79 79 ))) 80 80 81 -[[image:image -20220527134038-3.png]]80 +[[image:https://wiki.dragino.com/images/thumb/3/3a/MQTT_Forward_3.png/600px-MQTT_Forward_3.png||height="368" width="600"]] 82 82 83 83 Downstream path 84 84 ... ... @@ -88,9 +88,7 @@ 88 88 The MQTT publish command use Macro settings to generate flexible upstream payload for MQTT publish. 89 89 90 90 ((( 91 -Currently the (% style="color:#4f81bd" %)**-t (topic)**(%%) and (% style="color:#4f81bd" %)**-m (message)**(%%) support Macros. 92 - 93 - 90 +Currently the (% class="mark" %)**-t (topic)**(%%) and (% class="mark" %)**-m (message)**(%%) support Macros. 94 94 ))) 95 95 96 96 === 3.3.1 -t topic macro === ... ... @@ -111,7 +111,7 @@ 111 111 112 112 === 3.3.3 Example for Macro === 113 113 114 -[[image:image -20220527134251-4.png]]111 +[[image:https://wiki.dragino.com/images/thumb/c/c7/MQTT_Command_9.png/600px-MQTT_Command_9.png||height="385" width="600"]] 115 115 116 116 MQTT Publish configure 117 117 ... ... @@ -122,12 +122,12 @@ 122 122 123 123 When there is a LoRa sensor arrive. it will be store at the /var/iot/channels as below: 124 124 125 -[[image:image -20220527134332-5.png]]122 +[[image:https://wiki.dragino.com/images/thumb/c/c4/MQTT_Command_20.png/600px-MQTT_Command_20.png||height="325" width="600"]] 126 126 127 127 Sensor Data 128 128 129 129 ((( 130 -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.127 +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. 131 131 ))) 132 132 133 133 ... ... @@ -186,7 +186,7 @@ 186 186 ~-~-help : display this message. 187 187 ~-~-repeat : if publish mode is -f, -m, or -s, then repeat the publish N times. 188 188 ~-~-repeat-delay : if using ~-~-repeat, wait time seconds between publishes. Defaults to 0. 189 -~-~-quiet : (% style="color:red" %)don't print error messages.186 +~-~-quiet : (% class="mark" %)don't print error messages. 190 190 ~-~-will-payload : payload for the client Will, which is sent by the broker in case of 191 191 unexpected disconnection. If not given and will-topic is set, a zero 192 192 length message will be sent. ... ... @@ -224,7 +224,7 @@ 224 224 225 225 (% class="box" %) 226 226 ((( 227 - //# Call MQTT Publish command224 +# Call MQTT Publish command 228 228 \\# 1. Case with User, Password and Client ID present (e.g. Azure) 229 229 if [ ! -z "$pass" ] && [ ! -z "$user" ] && [ ! -z "$clientID" ]; then 230 230 case="1" ... ... @@ -251,9 +251,9 @@ 251 251 mosquitto_pub $D -h $server -p $port -q $pub_qos -t $pub_topic -u $user -P "$pass" $PUB_FLAG "$mqtt_data" 252 252 \\# 0. Else - invalid parameters, just log 253 253 else 254 -case=" (% style="color:red" %)Invalid parameters"(%%)255 -logger (% style="color:red" %)"[IoT.MQTT]:Invalid Parameters - mosquitto_pub not called."(%%)256 -fi //251 +case="Invalid parameters" 252 +logger "[IoT.MQTT]:Invalid Parameters - mosquitto_pub not called." 253 +fi 257 257 ))) 258 258 259 259 ... ... @@ -263,7 +263,6 @@ 263 263 264 264 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/]]. 265 265 266 - 267 267 == 4.2 Simulate via MQTT.fx utility == 268 268 269 269 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. ... ... @@ -272,21 +272,19 @@ 272 272 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. 273 273 ))) 274 274 275 -[[image:image -20220527134929-6.png]]271 +[[image:https://wiki.dragino.com/images/thumb/0/06/MQTT_Forward_4.png/600px-MQTT_Forward_4.png||height="201" width="600"]] 276 276 277 277 Connect to MQTT Broker 278 278 279 - 280 280 After connected, use publish to public some thing to MQTT server. This to simulate upsteam 281 281 282 -[[image:image -20220527135037-7.png]]277 +[[image:https://wiki.dragino.com/images/thumb/b/bd/MQTT_Forward_5.png/600px-MQTT_Forward_5.png||height="149" width="600"]] 283 283 284 284 Upstream: Publish message to MQTT Broker 285 285 286 - 287 287 To simulate a downstream, use MQTT.fx to subscribe a topic, and publish something to this topic. as Below: 288 288 289 -[[image:image -20220527135215-8.png]]283 +[[image:https://wiki.dragino.com/images/thumb/3/3d/MQTT_Forward_6.png/600px-MQTT_Forward_6.png||height="279" width="600"]] 290 290 291 291 Downstream: Subscribe a topic to get downstream 292 292 ... ... @@ -298,7 +298,7 @@ 298 298 In the Dragino Gateway, we use [[mosquitto client>>url:https://mosquitto.org/]] for MQTT connection. 299 299 300 300 301 -(% style="color:#4f81bd" %)**For Upstream**295 +(% class="mark" %)**For Upstream** 302 302 303 303 command is [[mosquitto_pub>>url:https://mosquitto.org/man/mosquitto_pub-1.html]] 304 304 ... ... @@ -306,16 +306,16 @@ 306 306 307 307 Note: 192.168.199.148 is MQTT broker address, the gateway and the MQTT broker PC are in the same network. 308 308 309 -[[image:image -20220527135310-9.png]]303 +[[image:https://wiki.dragino.com/images/thumb/d/d0/MQTT_Command_6.png/600px-MQTT_Command_6.png||height="188" width="600"]] 310 310 311 311 mosquitto_pub 312 312 313 313 314 -(% style="color:#4f81bd" %)**For Downstream**308 +(% class="mark" %)**For Downstream** 315 315 316 316 Use [[mosquitto_sub>>url:https://mosquitto.org/man/mosquitto_sub-1.html]] to subscribe the change on the topic. 317 317 318 -[[image:image -20220527135440-10.png]]312 +[[image:https://wiki.dragino.com/images/thumb/8/89/MQTT_Command_7.png/600px-MQTT_Command_7.png||height="267" width="600"]] 319 319 320 320 mosquitto_sub 321 321 ... ... @@ -325,7 +325,7 @@ 325 325 This chapter are step by step to show to configure the Dragino Menu for MQTT auto connection. 326 326 327 327 ((( 328 -Go to (% style="color:#4f81bd" %)**Dragino Menu ~-~-> MQTT Client**322 +Go to (% class="mark" %)**Dragino Menu ~-~-> MQTT Client** 329 329 ))) 330 330 331 331 [[image:https://wiki.dragino.com/images/thumb/b/bc/MQTT_Command_8.png/600px-MQTT_Command_8.png||height="249" width="600"]] ... ... @@ -333,10 +333,10 @@ 333 333 go to mqtt configure menu 334 334 335 335 ((( 336 -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.330 +Select **Forward to MQTT server**. (% class="mark" %)**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. 337 337 ))) 338 338 339 -[[image:image -20220527135742-11.png]]333 +[[image:https://wiki.dragino.com/images/thumb/1/14/MQTT_Commands_8.png/600px-MQTT_Commands_8.png||height="240" width="600"]] 340 340 341 341 forward to MQTT 342 342 ... ... @@ -354,7 +354,7 @@ 354 354 ~/~/DATA: The data stores in /var/iot/channels/ 355 355 ))) 356 356 357 -[[image:image -20220527135828-12.png]]351 +[[image:https://wiki.dragino.com/images/thumb/c/c7/MQTT_Command_9.png/600px-MQTT_Command_9.png||height="385" width="600"]] 358 358 359 359 MQTT Publish configure 360 360
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