Changes for page MQTT Forward Instruction
Last modified by Kilight Cao on 2024/08/31 16:26
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... ... @@ -276,17 +276,15 @@ 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]]281 +[[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]]287 +[[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**299 +(% 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]]307 +[[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**312 +(% 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]]316 +[[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**326 +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.334 +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]]337 +[[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 ... ... @@ -354,16 +354,15 @@ 354 354 ~/~/DATA: The data stores in /var/iot/channels/ 355 355 ))) 356 356 357 -[[image:image -20220527135828-12.png]]355 +[[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 360 360 361 361 362 -[[image:image -20220527135929-13.png]]360 +[[image:https://wiki.dragino.com/images/thumb/b/b7/MQTT_Command_10.png/600px-MQTT_Command_10.png||height="544" width="600"]] 363 363 364 364 MQTT Channel settings 365 365 366 - 367 367 ((( 368 368 For example, if we put a data(temp=46) on the file /var/iot/channels/4567, because 4567 match the remote channel 78901. the gateway will run this command: 369 369 ))) ... ... @@ -382,7 +382,7 @@ 382 382 Below is a simulation to put this data to active the MQTT publish. 383 383 ))) 384 384 385 -[[image:image -20220527140023-14.png]]382 +[[image:https://wiki.dragino.com/images/thumb/3/30/MQTT_Command_11.png/600px-MQTT_Command_11.png||height="308" width="600"]] 386 386 387 387 MQTT Publish 388 388 ... ... @@ -396,7 +396,7 @@ 396 396 mosquitto_sub -h 192.168.199.148 -p 1883 -i dragino-1b7060 -t command. 397 397 ))) 398 398 399 -[[image:image -20220527140100-15.png]]396 +[[image:https://wiki.dragino.com/images/3/36/MQTT_Command_12.png||height="173" width="579"]] 400 400 401 401 MQTT Subscribe 402 402 ... ... @@ -405,7 +405,7 @@ 405 405 When MQTT broker receive a update on this topic, the gateway will get the update and use LoRa radio to broadcast this message. The LoRa parameters used for update is: 406 406 ))) 407 407 408 -[[image:image -20220527140148-16.png]]405 +[[image:https://wiki.dragino.com/images/thumb/b/b8/MQTT_Command_13.png/600px-MQTT_Command_13.png||height="300" width="600"]] 409 409 410 410 LoRa Broadcast parameters. 411 411 ... ... @@ -412,7 +412,7 @@ 412 412 413 413 And below is the subscribe simulation: 414 414 415 -[[image:image -20220527140238-17.png]]412 +[[image:https://wiki.dragino.com/images/thumb/6/60/MQTT_Command_14.png/600px-MQTT_Command_14.png||height="255" width="600"]] 416 416 417 417 downstream simulation 418 418 ... ... @@ -421,7 +421,6 @@ 421 421 422 422 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. 423 423 424 - 425 425 === 4.5.1 Use LoRa Raw protocol for communication ~-~- For LG01/LG02 === 426 426 427 427 ((( ... ... @@ -444,7 +444,7 @@ 444 444 * Downstream: Listening broadcast message from gateway, and print it in console. 445 445 * The LoRa parameter settings in Arduino should match the LoRa settings in gateway, as below: 446 446 447 -[[image:image -20220527140354-18.png]]443 +[[image:https://wiki.dragino.com/images/thumb/3/3b/MQTT_Command_17.png/600px-MQTT_Command_17.png||height="197" width="600"]] 448 448 449 449 LoRa Parameter should match 450 450 ... ... @@ -451,11 +451,10 @@ 451 451 452 452 Below is the test result after the Arduino Sketch is running. 453 453 454 -[[image:image -20220527140459-19.png]]450 +[[image:https://wiki.dragino.com/images/thumb/6/63/MQTT_Command_18.png/600px-MQTT_Command_18.png||height="319" width="600"]] 455 455 456 456 Upstream Data Flow 457 457 458 - 459 459 [[image:https://wiki.dragino.com/images/thumb/1/18/MQTT_Command_19.png/600px-MQTT_Command_19.png||height="309" width="600"]] 460 460 461 461 Downstream Data Flow
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