Wiki source code of Notes for ChirpStack

Version 10.3 by Xiaoling on 2022/05/24 16:39
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1 **~ Contents:**
2
3 {{toc/}}
4
5 = 1. Introduction =
6
7 The ChirpStack open-source LoRaWAN Network Server stack provides open-source components for LoRaWAN networks And the Chirpstack supports the users in building a private LoRaWAN Server. For more info please refer to this [[link>>url:https://www.chirpstack.io/]]
8
9 (((
10 The dragino gateway can connect the ChirpStack server via Semtech UDP or Semtech Basic Station.
11 )))
12
13 **Prerequisite**
14
15 1) Have a Chirstack Server.
16
17 [[image:image-20220524163736-2.png]]
18
19
20 ChirpStack home page
21
22 2) Gateway model support
23
24 (% class="box" %)
25 (((
26 (((
27 Semtech UDP : **All Model**
28 Basic Station : , , 
29 **Note** : the firmware needs >  if use the Bais station
30 )))
31 )))
32
33 = 2. Semtech UDP =
34
35 == 2.1 Step 1. Add the Network-servers ==
36
37 The network-Servers address varies depending on the ChirpStack server setup environment
38
39 (% class="box" %)
40 (((
41 Windows       ~-~->Network-server server * : localhost:8000
42 Linux         ~-~->Network-server server * : chirpstack-network-server:8000
43 )))
44
45 If the user cannot add network-Servers, re-check the ChirpStack code or the server building process.
46
47 [[image:https://wiki.dragino.com/images/thumb/6/6b/Add_the_Network-servers.png/600px-Add_the_Network-servers.png||height="424" width="700"]]
48
49 Add the Network-servers
50
51 == 2.2 Step 2. Create Gateway-profiles ==
52
53 [[image:https://wiki.dragino.com/images/thumb/a/a9/Create_Gateway-profiles.png/600px-Create_Gateway-profiles.png||height="424" width="700"]]
54
55 Create Gateway-profiles
56
57 == 2.3 Step 3. Create Service-profiles ==
58
59 [[image:https://wiki.dragino.com/images/thumb/1/1f/Create_Service-profiles.png/600px-Create_Service-profiles.png||height="424" width="700"]]
60
61 Create Service-profiles
62
63 In Step 3. Create Service-profiles, the above parameters can be set. If necessary, you can set them by yourself. This is only an example.
64
65 (% style="color:red" %)**Note : Before add the gateway, the user needs to complete the preceding three steps.**
66
67 If the user has completed the preceding steps, proceed to the next step.
68
69 == 2.4 Step 4. Add the gateway ==
70
71 The example gateway id is: a840411e96744150
72
73 (((
74 (% style="color:red" %)**Note : The Gateway EUI and server addresses must match the ChirpStack configuration.**
75 )))
76
77 [[image:https://wiki.dragino.com/images/thumb/c/c6/Add_the_gateway.png/600px-Add_the_gateway.png||height="424" width="700"]]
78
79 Add the gateway
80
81 [[image:https://wiki.dragino.com/images/thumb/1/14/ChirpStack_Configure_the_gateway.png/600px-ChirpStack_Configure_the_gateway.png||height="355" width="700"]]
82
83 Configure the gateway
84
85 == 2.5 Step 5. Checking gateway Status ==
86
87 [[image:https://wiki.dragino.com/images/thumb/2/2c/Gateway_Status_cao_1.png/600px-Gateway_Status_cao_1.png||height="424" width="700"]]
88
89 gateway Status
90
91 [[image:https://wiki.dragino.com/images/thumb/1/11/Gateway_Status_cao_2.png/600px-Gateway_Status_cao_2.png||height="424" width="700"]]
92
93 gateway Status
94
95 = 3. Gateway Registration for Basics Station =
96
97 == Introduction ==
98
99 The [[Semtech Basic Station>>url:https://doc.sm.tc/station/]] backend implements the [[LNS protocol>>url:https://doc.sm.tc/station/tcproto.html]]. It exposes a WebSocket handler to which Basic Station powered gateways can connect.
100
101 ChirpStack Open-Source LoRaWAN® Network Server needs to set up a configuration that can use Semtech BasicStation.
102
103 **Below list the support products and Requirements:**
104
105 1. LoRaWAN Gateway model: [[LIG16>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/171-lig16.html]], [[LG308>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]], [[DLOS8>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/160-dlos8.html]] ,[[LPS8>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/148-lps8.html]]
106 1. Firmware version since :[[lgw~~-~~-build-v5.4.1651822913>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/LPS8/Firmware/Test_Firmware/lgw--build-v5.4.1651822913-20220506-1543/]]
107
108 **How to set up chirpStack Basic Station**
109
110 Users can check out the ChirpStack Basic Station [[link>>https://www.chirpstack.io/gateway-bridge/backends/basic-station/]] and [[forum>>https://forum.chirpstack.io/search?q=basic%20station]]
111
112 **What do you need to prepare**
113
114 A gateway that can access the internet normally
115
116 == 3.1 Add Gateway ==
117
118 [[image:image-20220519152235-5.png||height="338" width="699"]]
119
120
121 == 3.2 Access the gateway GUI ==
122
123 Access the gateway GUI interface of LoRaWAN~-~->LoRaWAN ~-~- Basic Station
124
125 [[image:image-20220519151612-4.png||height="208" width="700"]]
126
127 User need to Choose the ChirpStack/Senet ~-~- Basic Station , input Server URI and Upload the TLS Certificate
128
129 (% class="box" %)
130 (((
131 Service Provider  ~-~->  Choose the ChirpStack/Senet ~-~- Basic Station
132
133 LNS URI  ~-~->  Enter the LNS URI address, For example : wss:~/~/xxxx.chirpstack.com:433 or ws:~/~/xxxx.chirpstack.com:3001
134
135 LNS TLS trust  ~-~->  Upload the TLS Certificate
136 )))
137
138 (% class="wikigeneratedid" %)
139 [[image:image-20220519153027-6.png||height="371" width="704"]]
140
141 == 3.3 Start Station ==
142
143 When the user has finished the configuration, Please click Sace&Apply to start station to connect ChirpStack
144
145 == 3.4 Successful Connection ==
146
147 If user completes the above steps, which will see live date in the ChirpStack.
148
149 [[image:image-20220519154215-7.png||height="400" width="707"]]
150
151 == 3.5 Trouble Shooting ==
152
153 User can check the station log in the logread/system log page.
154
155 [[image:https://wiki.dragino.com/images/thumb/7/7c/Station_log_xiao.png/600px-Station_log_xiao.png]]
156
157 and recode the station log in the system/Recode log page.
158
159 [[image:https://wiki.dragino.com/images/thumb/5/50/Recore_log_xiao.png/600px-Recore_log_xiao.png]]
160
161 = 4. Downlink =
162
163 == 4.1 Chirpstack Downlink Note ==
164
165 [[image:https://wiki.dragino.com/images/thumb/b/ba/ChirpStack_Down_5.png/600px-ChirpStack_Down_5.png||height="342" width="700"]]
166
167 Convert the data to Base64
168
169 [[image:https://wiki.dragino.com/images/thumb/2/2c/ChirpStack_Down_6.png/600px-ChirpStack_Down_6.png||height="349" width="697"]]
170
171 Check ChripStack downlink DataRate
172
173 [[image:https://wiki.dragino.com/images/thumb/d/dc/ChirpStack_Down_7.png/600px-ChirpStack_Down_7.png||height="711" width="600"]]
174
175 Make sure the RX2DR is the same in the end node
176
177 == 4.2 Loraserver Downlink Note ==
178
179 User can use MQTT to send downlink payload to ChirpStack to perform downstream to LoRaWAN End
180
181 (((
182 Below is examples:
183 )))
184
185 (% class="box" %)
186 (((
187 Connect to your server via MQTT：
188 MQTT Client ID: Any   
189 Protocol：mqtt/tcp   Server IP：loraserver_ip:1883
190 User name: User name Password: password
191 )))
192
193 [[image:https://wiki.dragino.com/images/thumb/0/06/ChirpStack_Down_1.png/600px-ChirpStack_Down_1.png||height="578" width="600"]]
194
195 (((
196 MQTT Connect to ChirpStack
197 )))
198
199 (((
200 After connect
201 )))
202
203 (% class="box" %)
204 (((
205 Subscribe : Format：application/ID/device/ Device EUI/rx
206 Example: application/7/device/00aedb3da649cb23/rx
207 )))
208
209 (% class="box" %)
210 (((
211 Publish:
212 Format: Top: application/ID/device/ Device EUI/tx
213 Payload: {"confirmed":true or false,"fPort":XX,"data":"xxxx"}
214 Example: Top: application/7/device/00aedb3da649cb23/tx
215 Payload: {"confirmed":true,"fPort":2,"data":"AwEB"}
216 )))
217
218 [[image:https://wiki.dragino.com/images/thumb/c/c8/ChirpStack_Down_2.png/600px-ChirpStack_Down_2.png||height="342" width="600"]]
219
220 MQTT Connect to ChirpStack
221
222 (((
223 (% style="color:red" %)Note: Chirpstack use base64 to downlink, so need to convert the downlink payload from HEX to base64 [[https:~~/~~/base64.us/>>url:https://base64.us/]]
224 )))
225
226 [[image:https://wiki.dragino.com/images/thumb/f/f8/ChirpStack_Down_3.png/600px-ChirpStack_Down_3.png||height="309" width="600"]]
227
228 Choose to Use Hex for Encode
229
230 If we want send downstream hex 030101 to end node, the BASE64 payload is AwEB
231
232 [[image:https://wiki.dragino.com/images/thumb/d/d2/ChirpStack_Down_4.png/600px-ChirpStack_Down_4.png||alt="ChirpStack Down 4.png" height="344" width="600"]]
233
234 (((
235 Downlink payload encode javescript code: 可以在网站上运行以下Javsscript代码：
236 )))
237
238 (% class="box" %)
239 (((
240 function sha1_to_base64(sha1)
241 {
242 var digits="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
243 var base64_rep = "";
244 var cnt = 0;
245 var bit_arr = 0;
246 var bit_num = 0;
247 \\ for(var n = 0; n < sha1.length; ++n)
248 {
249 if(sha1[n] >= 'A' && sha1[n] <= 'Z')
250 {
251 ascv = sha1.charCodeAt(n) - 55;
252 }
253 else if(sha1[n] >= 'a' && sha1[n] <= 'z')
254 {
255 ascv = sha1.charCodeAt(n) - 87;
256 }
257 else
258 {
259 ascv = sha1.charCodeAt(n) - 48;
260 }
261 \\ bit_arr = (bit_arr << 4) | ascv;
262 bit_num += 4;
263 if(bit_num >= 6)
264 {
265 bit_num -= 6;        
266 base64_rep += digits[bit_arr >>> bit_num];
267 bit_arr &= ~~(-1 << bit_num);
268 }
269 }
270 \\ if(bit_num > 0)
271 {
272 bit_arr <<= 6 - bit_num;
273 base64_rep += digits[bit_arr];
274 }
275 \\ var padding = base64_rep.length % 4;   
276 \\ if(padding > 0)
277 {
278 for(var n = 0; n < 4 - padding; ++n)
279 {
280 base64_rep += "=";
281 }
282 }
283 return base64_rep;
284 }
285 \\console.log(sha1_to_base64("data"));
286 \\data is downlink payload required by end node.
287 e.g console.log(sha1_to_base64("030101"));
288 ​result: AwEB     
289 AwEB is the 0x030101's base 64 Encode.
290 \\​e.g console.log(sha1_to_base64("030000"));
291 ​result: AwAA     
292 AwAA is 0x030000's base 64 Encode.
293 )))
294
295 == 4.3 Add the decode function in Chirpstack for the payload ==
296
297 User enters the payload code according to the steps.
298
299 [[image:https://wiki.dragino.com/images/thumb/9/9f/Step2.png/600px-Step2.png||alt="Step2.png" height="224" width="600"]]
300
301 [[image:https://wiki.dragino.com/images/thumb/0/08/Step3.png/600px-Step3.png||alt="Step3.png" height="289" width="600"]]
302
303 [[image:https://wiki.dragino.com/images/thumb/8/83/Step6.png/600px-Step6.png||alt="Step6.png" height="259" width="600"]]
304
305 [[image:https://wiki.dragino.com/images/thumb/4/4f/Step5.png/600px-Step5.png||alt="Step5.png" height="221" width="600"]]
306
307 = 5. Multiply Uplink in ChirpStack =
308
309 (((
310 nbtrans field is the value to determine the re-transmission time for unconfirmed uplink data.
311 )))
312
313 (((
314 ChirpStack will auto adjust nbtrans according to uplink rssi. [[link to source>>url:https://github.com/brocaar/chirpstack-network-server/blob/master/internal/adr/adr.go]]
315 )))
316
317 [[image:https://wiki.dragino.com/images/thumb/6/63/Nbtrans_1.png/600px-Nbtrans_1.png||alt="Nbtrans 1.png" height="103" width="600"]]
318
319 (((
320 nbtrans is a field of ADR message, in unconfirm mode, it tells end node how many time it needs to transmit for every frame.
321 )))
322
323 [[image:https://wiki.dragino.com/images/thumb/1/17/Nbtrans_2.png/300px-Nbtrans_2.png||alt="Nbtrans 2.png" height="462" width="300"]]
324
325 (((
326 Above behaviour will cause the platform shows below two cases of error:
327 )))
328
329 (((
330 Error of duplicate Frame Counter
331 )))
332
333 [[image:https://wiki.dragino.com/images/7/7e/Nbtrans_3.png||alt="Nbtrans 3.png" height="677" width="600"]]
334
335 Duplicate transmission in short time
336
337 [[image:https://wiki.dragino.com/images/thumb/c/c4/Nbtrans_4.png/600px-Nbtrans_4.png||alt="Nbtrans 4.png" height="301" width="600"]]
338
339 == 5.1 Solution ==
340
341 This example uses the Windows version as a template, other versions can refer to this. Similiar reference: [[https:~~/~~/confluence.alitecs.de/plugins/servlet/mobile?contentId=79790102#content/view/79790102>>url:https://confluence.alitecs.de/plugins/servlet/mobile?contentId=79790102#content/view/79790102]]
342
343 (((
344 ~1. Install the GO compilation environment: Download the corresponding version of the Go compiler at [[https:~~/~~/go.dev/dl/>>url:https://go.dev/dl/]] and install it.
345 )))
346
347 [[image:https://wiki.dragino.com/images/3/37/Chirpstacksolution-1.png||alt="Chirpstacksolution-1.png" height="199" width="554"]]
348
349 installation path:
350
351 [[image:https://wiki.dragino.com/images/c/ca/Chirpstacksolution-2.png||alt="Chirpstacksolution-2.png" height="283" width="361"]]
352
353 (((
354 2. Environment variable settings:.
355 )))
356
357 (((
358 1) Open Computer -> Properties -> Advanced System Settings -> Environment Variables and add a "new" system variable:
359 )))
360
361 (((
362 2)Set the variable name GOROOT and the variable value C:\Go\ (installation directory)
363 )))
364
365 [[image:https://wiki.dragino.com/images/f/f9/Chirpstacksolution-3.png||alt="Chirpstacksolution-3.png" height="152" width="554"]]
366
367 3)Modify the system variable Path and add C:\Go\bin\:
368
369 [[image:https://wiki.dragino.com/images/1/1b/Chirpstacksolution-4.png||alt="Chirpstacksolution-4.png" height="152" width="554"]]
370
371 User variable setting file generation directory: D:\go:
372
373 [[image:https://wiki.dragino.com/images/9/9b/Chirpstacksolution-5.png||alt="Chirpstacksolution-5.png" height="278" width="371"]]
374
375 3. Modify the ADR configuration file according to your own needs, adr.setting.go is an example of the ADR configuration file.
376
377 The name of the plugin: Example ADR plugin:
378
379 [[image:https://wiki.dragino.com/images/1/12/Chirpstacksolution-6.jpg||alt="Chirpstacksolution-6.jpg" height="89" width="554"]]
380
381 Set Nbtrans: Nbtrans=1 (Nbtrans is the number of retransmissions, if it is 1, no retransmission, it is recommended to be 1). To enable it, you need to uncomment.
382
383 [[image:https://wiki.dragino.com/images/2/25/Chirpstacksolution-7.png||alt="Chirpstacksolution-7.png" height="98" width="426"]]
384
385 4. Compile the ADR configuration file and generate the exe file.
386
387 1) Create a folder named adr-setting
388
389 2) Open the adr-setting folder
390
391 3) Put adr.setting.go in this folder.
392
393 4) Open the computer cmd and run the following commands in sequencecd adr-setting
394
395 go mod init adr-setting
396
397 go get github.com/brocaar/chirpstack-network-server/v3/adr
398
399 go get github.com/hashicorp/go-plugin
400
401 go get adr-setting
402
403 go build
404
405 5) Finally generate this file：
406
407 [[image:https://wiki.dragino.com/images/6/66/Chirpstacksolution-8.png||alt="Chirpstacksolution-8.png" height="96" width="554"]]
408
409 5. Add the plugin and run the plugin.
410
411 (((
412 The exe file generated in the previous step is placed in the same root directory as chirpstack-network-server.toml, and the ADR plugin is added to the toml file. The location of the addition is as follows:
413 )))
414
415 [[image:https://wiki.dragino.com/images/8/82/Chirpstacksolution-9.png||alt="Chirpstacksolution-9.png" height="73" width="554"]]
416
417 (((
418 (((
419 For example: adr_plugins=[“adr-setting”]
420 )))
421 )))
422
423 * (((
424 (((
425 Adding a single plugin format is adr_plugins=["filename"]
426 )))
427 )))
428
429 * (((
430 (((
431 Adding multiple plugins The format is adr_plugins=["file name 1", "file name 2",...]
432 )))
433 )))
434
435 (((
436 (((
437 Finally, re-run chirpstack-network-server.exe, and then select the plugin you just compiled in Device-profiles,
438 )))
439 )))
440
441 [[image:https://wiki.dragino.com/images/3/39/Chirpstacksolution-10.png||alt="Chirpstacksolution-10.png" height="275" width="554"]]
442
443 Finish.
444
445 = 6. Trouble Shooting =
446
447 == 6.1 MIC Mismatch or MIC Failed ==
448
449 (((
450 When the device is registered or the device is working normally, the problem of MIC mismatch and MIC failed occurs.
451 )))
452
453 (((
454 Under normal circumstances, users need to change the APPKEY to solve this problem.
455 )))

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