Wiki source code of Mapwize

Version 11.2 by Xiaoling on 2022/05/26 15:12
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1 **~ Contents：**
2
3 {{toc/}}
4
5
6 = 1. Introduction =
7
8 This article shows how to use [[LBT1>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/165-lbt1.html]] to build an Indoor Positioning Solution.
9
10 [[image:image-20220526150521-2.png]]
11
12 LBT1 Indoor Positioning Network Structure
13
14
15 = 2. Prepare Map =
16
17 == 2.1 Prepare iBeacons ==
18
19 (((
20 (((
21 Any BLE iBeacons should work in this solution, each iBeacon stands for a fix position in the map. Here is an iBeacon for example.
22 )))
23 )))
24
25 (((
26 (((
27 First of all, user needs to accurately place the beacon at each location, which is the reference for positioning.
28 )))
29 )))
30
31 (((
32 (((
33 BCN01 iBeacon from Dragino: [[http:~~/~~/www.dragino.com/products/accessories/item/166-bcn01.html>>url:http://www.dragino.com/products/accessories/item/166-bcn01.html]]
34 )))
35 )))
36
37 [[image:image-20220526150651-4.png]]
38
39 BCN01 iBeacon
40
41
42 (((
43 (((
44 We need to get the UUID, MAJOR, MINOR, TXPOWER where each iBeacon is placed. We can get it with the iBeacon software, such as "EW-beacon".
45 )))
46 )))
47
48 [[image:image-20220526150743-5.png]]
49
50 beacon software
51
52
53 [[image:image-20220526150824-6.png]]
54
55 beacon software
56
57
58 == 2.2 Create Map ==
59
60 (((
61 (((
62 Here we use the indoor map at [[https:~~/~~/studio.mapwize.io/>>url:https://studio.mapwize.io/]]. Below shows the steps for create a map and put the iBeacon on a fix position.
63 )))
64 )))
65
66 (((
67 (((
68 ~1. Register an account at [[https:~~/~~/studio.mapwize.io/>>url:https://studio.mapwize.io/]] to create an indoor map.
69 )))
70 )))
71
72 (((
73 (((
74 2. Create Place Types.
75 )))
76 )))
77
78 [[image:image-20220526150915-7.png]]
79
80 Create place types
81
82
83 3. Search Venues. （Indoor map area identification）
84
85 [[image:image-20220526151046-8.png]]
86
87 (((
88 (((
89 The map accurately places the beacon of ibeacon, which is the reference for positioning. At this time, UUID, MAJOR and MINOR must be filled in correctly.
90
91
92 )))
93 )))
94
95 4. Upload Floor plan.
96
97 [[image:image-20220526151223-9.png]]
98
99 add images
100
101 5. Create Layer
102
103 [[image:https://wiki.dragino.com/images/thumb/0/0e/Beacon13.png/600px-Beacon13.png||height="208" width="600"]]
104
105 create layer
106
107 (((
108 6. Add iBeacon position info. Drag the iBeacon to match position and input the UUID, MAJOR and MINOR of this iBeacon.
109 )))
110
111 [[image:https://wiki.dragino.com/images/thumb/1/1d/Beacon14.png/600px-Beacon14.png||height="261" width="600"]]
112
113 create iBeacon
114
115 = 3. Configure TTN =
116
117 == 3.1 Configure LBT1 to Upload data to TTN ==
118
119 Please refer the instruction in the [[User Manual>>url:http://www.dragino.com/downloads/index.php?dir=accessories/Bluetooth/BCN01]]. Note the (% style="color:#4f81bd" %)**LBT1 need to set to MOD=3**(%%) here.
120
121 == 3.2 Decoder in TTN ==
122
123 (% class="box" %)
124 (((
125 function Decoder(bytes, port) {
126 \\~/~/ Decode an uplink message from a buffer
127 \\~/~/ (array) of bytes to an object of fields.
128 \\value = bytes[0] << 8 | bytes[1];
129 \\var batV = value/1000;~/~/Battery,units:V
130 \\var mode = bytes[5];
131 \\~/~/var value=(bytes[3]-0x30)*1000 +(bytes[5]-0x30)*100 + (bytes[5]-0x30)*10 +(bytes[6]-0x30);
132 \\~/~/var value = bytes.slice(3);
133 \\var i;
134 \\var con;
135 \\var str = "";
136 \\var major = 1;
137 \\var minor = 1;
138 \\var rssi = 0;
139 \\var addr = "";
140 \\if(mode ==2 ) {
141 \\ for(i = 38 ; i<50 ; i++) {
142 \\ con = bytes[i].toString();
143 \\ str += String.fromCharCode(con);
144 \\ }
145 \\ addr = str;
146 \\ str = "";
147 \\ for(i = 6 ; i<38 ; i++) {
148 \\ con = bytes[i].toString();
149 \\ str += String.fromCharCode(con);
150 \\ }
151 \\ value = str;
152 \\}
153 \\if(mode == 3 ) {
154 \\ str = "";
155 \\ for(i = 18 ; i < 22 ; i++) {
156 \\ con = bytes[i].toString();
157 \\ str += String.fromCharCode(con);
158 \\ }
159 \\ major = parseInt(str, 16);
160 \\ str = "";
161 \\ for(i = 22 ; i < 26 ; i++) {
162 \\ con = bytes[i].toString();
163 \\ str += String.fromCharCode(con);
164 \\ }
165 \\ minor = parseInt(str, 16);
166 \\ str = "";
167 \\ for(i = 28 ; i < 32 ; i++) {
168 \\ con = bytes[i].toString();
169 \\ str += String.fromCharCode(con);
170 \\ }
171 \\ rssi = parseInt(str);
172 \\ str = "";
173 \\ for(i = 6 ; i < 18 ; i++) {
174 \\ con = bytes[i].toString();
175 \\ str += String.fromCharCode(con);
176 }
177 \\ value = str;
178 }
179 \\if(mode == 1) {
180 \\ for(i = 6 ; i<11 ; i++) {
181 \\ con = bytes[i].toString();
182 \\ str += String.fromCharCode(con);
183 \\ }
184 \\ value = str;
185 }
186 \\var uuid = value;
187 \\var alarm = bytes[2] >> 4 & 0x0F;
188 \\var step_count = (bytes[2] & 0x0F) << 16 | bytes[3] << 8 | bytes[4];
189 \\return {
190 UUID: uuid,
191 ADDR: addr,
192 MAJOR: major,
193 MINOR: minor,
194 RSSI:rssi,
195 STEP: step_count,
196 ALARM: alarm,
197 BatV:batV,
198 };
199 }
200
201 )))
202
203 = 4. Set Up Converter Server =
204
205 * (((
206 How to install and run this service on Linux?
207 )))
208
209 (((
210 Step1.Rent a Linux on Amazon cloud or alicloud to the host, and pre install the Linux system (Debian, Ubuntu, CentOS are available for distribution).
211 )))
212
213 (((
214 Step2.Run the code on the server after compiling. Compilation requires the support of libcurl. First, compile libmqtt in the code, and then compile location.
215 )))
216
217 (((
218 System: Debian / Ubuntu
219 )))
220
221 (% class="box" %)
222 (((
223 step:
224 \\1. sudo apt install libcurl4-dev 
225 \\2. sudo apt install  gcc automake autoconf libtool make cmake
226 \\3. git clone -b master https:~/~/github.com/mikayong/location.git
227 \\4. cd location/libmqtt
228 \\5. mkdir build
229 \\6. cd build && cmake ../
230 \\7. make && sudo make install 
231 \\8. cd ../
232 \\9. make 
233 \\10. sudo cp location_conf.json  /etc/
234 \\11. Edit the configuration file, and run the location service in the background: ./location &
235 )))
236
237 (((
238 Step3.The location service subscribes to the lora information stream on TTN through the mqtt protocol, parses the information to generate a geographic location, and finally creates a geographic location on the mapwize map. The following is the configuration of the location service, the configuration file is in json format, the file is /etc/location_conf.json
239 )))
240
241 = 5. Configuration file： location_conf.json =
242
243 * (((
244 We use the 120.78.138.177 server as an example. The location service is currently installed on the 120.78.138.177 server, the code is in /root/location, and the configuration file for running location pre-read directly is /etc/location_conf.json.
245 )))
246
247 (((
248 { "location_conf": {
249 )))
250
251 (% class="box" %)
252 (((
253 (((
254 "loctype": "indoor",       ~/~/ indoor/outdoor
255 "locmap": "mapwize"    ~/~/   Map interface: mapwize， traccar
256 )))
257 )))
258
259 (((
260 }, "mqtt_conf": {
261 )))
262
263 (% class="box" %)
264 (((
265 (((
266 "servaddr": "[str]",    ~/~/     Lorawan server address: Refer to TTN app handler：eu.thethings.network
267 "servport": [int],       ~/~/   Lorawan server port: 1883
268 "clientid": "[str]",       ~/~/   MQTT client identity: Custom
269 "qos":[int],                 ~/~/  （Optional） MQTT service quality: 0
270 "username":"[str]",     ~/~/   Agent name of mqtt: application ID of TTN
271 "password":"[str]",      ~/~/  The proxy password of mqtt: application access key of TTN
272 "topic":"[str]",              ~/~/ The topic of mqtt subscription: TTN is + / devices / + / up
273 "connection":"[str]" },   ~/~/（Optional） mqtt is a string used for direct connection, composed of serveraddr and port
274 "mapwize_conf":{          ~/~/Map settings
275 "apikey": "[str]",        ~/~/ The apikey of the map user can be found on the Api keys page of wapwize, and read and write permissions need to be set
276 "venueid":"[str]",        ~/~/ （Optional）Indoor map area identification
277 "orgid":"[str]",           ~/~/  The identity of the user organizer
278 "universesid":"[str]",   ~/~/The range indicator of the indoor map, find it on the universes page
279 "placetype": "[str]"     ~/~/The type of place used to identify the creation must be created on the placetypes page in the map, where the placetype name is filled in
280 },
281 "loracloud":{
282 "token":  "[str]"          ~/~/The password string of loracloud location service, the outdoor map must fill in the account token of loracloud
283 )))
284 )))
285
286 (((
287 }
288 )))
289
290 (% class="box" %)
291 (((
292 (((
293 "rssi_conf": {
294 "rssirate": [int],          ~/~/ （Optional） A basis for rssi calculation distance, the rssi value (absolute value) when the beacon is 1 meter apart 
295 "rssidiv": [float] }        ~/~/ （Optional） rssi measures an attenuation value of distance. As the distance to the beacon is farther, the value changes speed
296 )))
297 )))
298
299 (((
300 }
301 )))
302
303 * Parameter acquisition method of configuration file：
304
305 (% class="box" %)
306 (((
307 "username":"[str]"
308 )))
309
310 [[image:https://wiki.dragino.com/images/thumb/d/da/Beacon50.png/600px-Beacon50.png||height="185" width="600"]]
311
312 username
313
314 (% class="box" %)
315 (((
316 "password":"[str]"     
317 )))
318
319 [[image:https://wiki.dragino.com/images/thumb/b/bd/Beacon51.png/800px-Beacon51.png||alt="File:Beacon51.png" height="259" width="598"]]
320
321 password
322
323 (% class="box" %)
324 (((
325 "apikey": "[str]"
326 )))
327
328 [[image:https://wiki.dragino.com/images/thumb/5/53/Qwe3.png/800px-Qwe3.png||alt="File:Qwe3.png" height="325" width="606"]]
329
330 apikey
331
332 (% class="box" %)
333 (((
334 "orgid":"[str]"
335 )))
336
337 [[image:https://wiki.dragino.com/images/thumb/f/f4/Qwe4.png/800px-Qwe4.png||alt="File:Qwe4.png" height="304" width="622"]]
338
339 orgid
340
341 (% class="box" %)
342 (((
343 "universesid":"[str]"
344 )))
345
346 [[image:https://wiki.dragino.com/images/thumb/9/9a/Qwe5.jpg/600px-Qwe5.jpg||height="424" width="600"]]
347
348 universesid
349
350 (% class="box" %)
351 (((
352 "placetype": "[str]"
353 )))
354
355 [[image:https://wiki.dragino.com/images/thumb/9/93/Qwe6.png/600px-Qwe6.png||height="318" width="600"]]
356
357 placetype
358
359
360 **Here are two ways to enter the server：**
361
362 **~1. WinSCP**
363
364 [[image:https://wiki.dragino.com/images/thumb/6/6b/Ibeacon4.jpg/600px-Ibeacon4.jpg||height="385" width="600"]]
365
366 [[image:https://wiki.dragino.com/images/thumb/7/78/Ibeacon5.jpg/600px-Ibeacon5.jpg||height="385" width="600"]]
367
368 [[image:https://wiki.dragino.com/images/thumb/c/cd/Ibeacon6.jpg/800px-Ibeacon6.jpg||alt="File:Ibeacon6.jpg" height="362" width="599"]]
369
370 way1
371
372 **2. secureCRT**
373
374 [[image:https://wiki.dragino.com/images/thumb/7/7b/Ibeacon7.jpg/600px-Ibeacon7.jpg||height="326" width="600"]]
375
376 [[image:https://wiki.dragino.com/images/thumb/6/64/Ibeacon8.jpg/600px-Ibeacon8.jpg||height="326" width="600"]]
377
378 [[image:https://wiki.dragino.com/images/thumb/d/de/Ibeacon9.jpg/800px-Ibeacon9.jpg||alt="File:Ibeacon9.jpg" height="327" width="602"]]
379
380 way2
381
382 = 6. Test Result =
383
384 The real-time position on the map is obtained according to the moving change of LBT1.
385
386 [[image:https://wiki.dragino.com/images/thumb/7/70/Beacon15.png/600px-Beacon15.png||alt="Beacon15.png" height="294" width="600"]]

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