Skip to Content
Last modified by Xiaoling on 2022/09/02 18:11
From version 30.1
edited by Xiaoling
on 2022/05/31 14:16
Change comment: Uploaded new attachment "image-20220531141656-31.png", version {1}
To version 43.3
edited by Xiaoling
on 2022/05/31 14:29
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -23,7 +23,9 @@
23 23  
24 24  = 3. What does this example shows? How it works? =
25 25  
26 +(((
26 26  The server we use here is ThingSpeak which has an intuitive chart to show the test result for our test.The ThingSpeak IoT service now supports MQTT subscriptions to receive instant updates when [[ThingSpeak>>url:https://thingspeak.com/]] channel gets updated. The method here is general and can be used with other IoT servers for MQTT connection as well.
28 +)))
27 27  
28 28  [[image:image-20220531135402-1.png]]
29 29  
... ... @@ -37,17 +37,25 @@
37 37  
38 38  [[image:image-20220531135521-3.png]]
39 39  
42 +(((
40 40  Schematic diagram: uplink.In this section, we will try to program LG01 to uplink data to ThingSpeak. The data flow in this example.We have already tried ① and ② in the above simple LoRa example. Now we will try the step ③ first, after it work as expect, we will integrate these three steps together for a complete uplink example.
44 +)))
41 41  
42 42  
43 43  
44 44  [[image:image-20220531135607-4.png]]
45 45  
50 +(((
46 46  Schematic diagram:downlink.In this section, we will try to program LG01 to fetch download data from ThingSpeak, then broadcast this data to local LoRa network. The end node will get this message and check if they need to do something. Similar with Uplink Example, we will first try to do it in PC, then do it in Linux side, and finally integrate it with LoRa.
52 +)))
47 47  
54 +(((
48 48  MQTT agreement to achieve the need: client and server There are three identities in the MQTT protocol: Publish, Broker (server), Subscribe. Among them, the publisher and the subscriber of the message are all clients, the broker is the server, and the publisher can be both the subscriber and the subscriber. MQTT transmission of information is divided into: Topic and payload in two parts Topic, can be understood as the type of message subscribers Subscribe, you will receive the theme of the message content (payload) The payload, which can be understood as the content of the message, refers to the specific content to be used by the subscribers.
56 +)))
49 49  
58 +(((
50 50  To use the server, we need to register an account on [[ThingSpeak>>url:https://thingspeak.com/]] . Then create a channel and type the channel info. As shown below, the Channel ID is the unique ID to store our data in [[ThingSpeak>>url:https://thingspeak.com/]] .
60 +)))
51 51  
52 52  
53 53  = 4. Preparation =
... ... @@ -224,24 +224,42 @@
224 224  1. Sketch will write active content to /tmp/iot/status periodically (every 5 minutes).(Watchdog feature)
225 225  
226 226  
227 -1. [[~[~[image:https://wiki.dragino.com/images/thumb/8/82/MQTT_Sketch_2.png/400px-MQTT_Sketch_2.png~|~|height="233" width="400"~]~]>>url:https://wiki.dragino.com/index.php/File:MQTT_Sketch_2.png]](((
237 +1. [[image:image-20220531141656-31.png]](((
228 228  Open the sketch [[MQTT_Simple_Server>>url:https://github.com/dragino/Arduino-Profile-Examples/tree/master/libraries/Dragino/examples/LoRa/MQTT_Simple_Server]].(Board:Dragino Yun + UNO or LG01/OLG01,Port:Network ports.)and upload.
239 +
240 +
241 +
229 229  )))
230 -1. [[~[~[image:https://wiki.dragino.com/images/thumb/7/73/MQTT_Sketch2.png/400px-MQTT_Sketch2.png~|~|height="540" width="400"~]~]>>url:https://wiki.dragino.com/index.php/File:MQTT_Sketch2.png]](((
243 +1. [[image:image-20220531141800-32.png]](((
231 231  Open Serial monitor.
245 +
246 +
247 +
232 232  )))
233 -1. [[~[~[image:https://wiki.dragino.com/images/thumb/9/98/MQTT_Sketch_1.png/400px-MQTT_Sketch_1.png~|~|height="261" width="400"~]~]>>url:https://wiki.dragino.com/index.php/File:MQTT_Sketch_1.png]](((
249 +1. [[image:image-20220531141842-33.png]](((
234 234  Open the Sketch [[MQTT_Client>>url:https://github.com/dragino/Arduino-Profile-Examples/tree/master/libraries/Dragino/examples/IoTServer/ThingSpeak/MQTT_Client]]. (Board:Arduino/Genuino Uno.Port:Serial ports.)and upload.
251 +
252 +
253 +
235 235  )))
236 -1. [[~[~[image:https://wiki.dragino.com/images/thumb/3/3d/MQTT_Sketch3.png/400px-MQTT_Sketch3.png~|~|height="371" width="400"~]~]>>url:https://wiki.dragino.com/index.php/File:MQTT_Sketch3.png]](((
255 +1. [[image:image-20220531141927-34.png]](((
237 237  Open Serial monitor.
257 +
258 +
259 +
238 238  )))
239 239  1. Go to IoT Server to check the result.
240 240  1. (((
241 -[[~[~[image:https://wiki.dragino.com/images/thumb/4/43/MQTT_result_1.png/400px-MQTT_result_1.png~|~|alt="MQTT result 1.png" height="181" width="400"~]~]>>url:https://wiki.dragino.com/index.php/File:MQTT_result_1.png]]
263 +[[image:image-20220531142023-35.png]]
264 +
265 +
266 +
242 242  )))
243 243  1. (((
244 -[[~[~[image:https://wiki.dragino.com/images/thumb/7/70/MQTT_result_2.png/400px-MQTT_result_2.png~|~|alt="MQTT result 2.png" height="190" width="400"~]~]>>url:https://wiki.dragino.com/index.php/File:MQTT_result_2.png]]
269 +[[image:image-20220531142155-36.png]]
270 +
271 +
272 +
245 245  )))
246 246  
247 247  = 5. FAQ =
... ... @@ -252,18 +252,25 @@
252 252  
253 253  For example: for ThingSpeak, a MQTT publish command is:
254 254  
255 -{{{mosquitto_pub -h mqtt.thingspeak.com -p 1883 -u dragino -P QZXTAKE88V3S7O2J -i dragino_Client -t channels/200893/publish/B9Z0R25QNVEBKIFY -m "field1=34&field2=89&status=MQTTPUBLISH"
256 -}}}
283 +(% class="box infomessage" %)
284 +(((
285 +**mosquitto_pub -h mqtt.thingspeak.com -p 1883 -u dragino -P QZXTAKE88V3S7O2J  -i dragino_Client -t channels/200893/publish/B9Z0R25QNVEBKIFY -m "field1=34&field2=89&status=MQTTPUBLISH"**
286 +)))
257 257  
258 258  What now we need to put in the LG01 is how to combine this command.
259 259  
260 260  1. LG01 web console -> Sensor -> MQTT
261 261  1. Choose general Server
262 -1. [[~[~[image:https://wiki.dragino.com/images/thumb/e/ea/MQTT_Configure1.png/600px-MQTT_Configure1.png~|~|height="367" width="600"~]~]>>url:https://wiki.dragino.com/index.php/File:MQTT_Configure1.png]](((
292 +1. [[image:image-20220531142342-37.png]](((
263 263  Refer to your server to fill in.
294 +
295 +
296 +
264 264  )))
265 -1. [[~[~[image:https://wiki.dragino.com/images/0/07/MQTT_Configure2.png~|~|height="93" width="538"~]~]>>url:https://wiki.dragino.com/index.php/File:MQTT_Configure2.png]](((
298 +1. [[image:image-20220531142447-38.png]](((
266 266  Ex:ThingSpeak Server
300 +
301 +
267 267  )))
268 268  
269 269  According to MQTT commands: mosquitto_pub, we need to put
... ... @@ -282,7 +282,7 @@
282 282  
283 283  User can also enable MQTT debug in the LG01 ~-~-> IoT Server settings and run logread in Linux console to see how the mqtt command is compose. below is an example:
284 284  
285 -[[~[~[image:https://wiki.dragino.com/images/thumb/8/81/MQTT_Configure3.png/600px-MQTT_Configure3.png~|~|height="114" width="600"~]~]>>url:https://wiki.dragino.com/index.php/File:MQTT_Configure3.png]]
320 +[[image:image-20220531142525-39.png]]
286 286  
287 287  MQTT Logread example
288 288  
... ... @@ -291,19 +291,31 @@
291 291  
292 292  LG01 for 4.3.3 version,we have added watchdog feature. In order to avoid the gateway running process will get stuck. So add writing action on every times.
293 293  
294 -* [[~[~[image:https://wiki.dragino.com/images/thumb/f/f2/Wathcdog.png/400px-Wathcdog.png~|~|height="184" width="400"~]~]>>url:https://wiki.dragino.com/index.php/File:Wathcdog.png]](((
329 +* [[image:image-20220531142558-40.png]](((
295 295  Enable Sensor->Micro-Controller settings
331 +
332 +
333 +
296 296  )))
297 -* [[~[~[image:https://wiki.dragino.com/images/thumb/8/82/MQTT_Sketch_2.png/400px-MQTT_Sketch_2.png~|~|height="233" width="400"~]~]>>url:https://wiki.dragino.com/index.php/File:MQTT_Sketch_2.png]](((
335 +* [[image:image-20220531142629-41.png]](((
298 298  Open the sketch [[MQTT_Simple_Server>>url:https://github.com/dragino/Arduino-Profile-Examples/tree/master/libraries/Dragino/examples/LoRa/MQTT_Simple_Server]].(Board:Dragino Yun + UNO or LG01/OLG01,Port:Network ports.)and upload.
337 +
338 +
339 +
299 299  )))
300 -* [[~[~[image:https://wiki.dragino.com/images/2/21/Loop.png~|~|height="181" width="388"~]~]>>url:https://wiki.dragino.com/index.php/File:Loop.png]](((
341 +* [[image:image-20220531142659-42.png]](((
301 301  Each time the function loops, it uses the watchdog function once.
343 +
344 +
345 +
302 302  )))
303 -* [[~[~[image:https://wiki.dragino.com/images/thumb/3/35/Dog.png/400px-Dog.png~|~|height="161" width="400"~]~]>>url:https://wiki.dragino.com/index.php/File:Dog.png]](((
347 +* [[image:image-20220531142720-43.png]](((
304 304  Open SSH and check watchdog result.If the result change constantly,the feature enable successfully.
349 +
350 +
351 +
305 305  )))
306 -* [[~[~[image:https://wiki.dragino.com/images/thumb/a/ac/Checkdog.png/400px-Checkdog.png~|~|height="222" width="400"~]~]>>url:https://wiki.dragino.com/index.php/File:Checkdog.png]](((
353 +* [[image:image-20220531142748-44.png]](((
307 307  If the time doesnt's change,you can refer it to calculate for checking status.
308 308  )))
309 309  
image-20220531141800-32.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +32.9 KB
Content
image-20220531141842-33.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +39.2 KB
Content
image-20220531141927-34.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +26.8 KB
Content
image-20220531142023-35.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +34.5 KB
Content
image-20220531142155-36.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +42.9 KB
Content
image-20220531142342-37.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +27.4 KB
Content
image-20220531142447-38.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +4.7 KB
Content
image-20220531142525-39.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +69.1 KB
Content
image-20220531142558-40.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +43.9 KB
Content
image-20220531142629-41.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +38.2 KB
Content
image-20220531142659-42.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +5.1 KB
Content
image-20220531142720-43.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +13.3 KB
Content
image-20220531142748-44.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +11.5 KB
Content