Wiki source code of Mapwize

Version 1.8 by Xiaoling on 2022/05/17 10:47
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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:https://wiki.dragino.com/images/thumb/1/1a/LBT1_Mapwize_1.png/600px-LBT1_Mapwize_1.png||height="511" width="600"]]
11
12 LBT1 Indoor Positioning Network Structure
13
14 = 2. Prepare Map =
15
16 == 2.1 Prepare iBeacons ==
17
18 (((
19 (((
20 Any BLE iBeacons should work in this solution, each iBeacon stands for a fix position in the map. Here is an iBeacon for example.
21 )))
22 )))
23
24 (((
25 (((
26 First of all, user needs to accurately place the beacon at each location, which is the reference for positioning.
27 )))
28 )))
29
30 (((
31 (((
32 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]]
33 )))
34 )))
35
36 [[image:https://wiki.dragino.com/images/thumb/8/88/Ibeacon1.png/300px-Ibeacon1.png||height="169" width="300"]]
37
38 BCN01 iBeacon
39
40 (((
41 (((
42 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".
43 )))
44 )))
45
46 [[image:https://wiki.dragino.com/images/thumb/f/fa/Ibeacon2.jpg/400px-Ibeacon2.jpg||height="867" width="400"]]
47
48 beacon software
49
50
51 [[image:https://wiki.dragino.com/images/thumb/f/f2/Ibeacon3.jpg/400px-Ibeacon3.jpg||height="867" width="400"]]
52
53 beacon software
54
55 == 2.2 Create Map ==
56
57 (((
58 (((
59 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.
60 )))
61 )))
62
63 (((
64 (((
65 ~1. Register an account at [[https:~~/~~/studio.mapwize.io/>>url:https://studio.mapwize.io/]] to create an indoor map.
66 )))
67 )))
68
69 (((
70 (((
71 2. Create Place Types.
72 )))
73 )))
74
75 [[image:https://wiki.dragino.com/images/thumb/4/4d/Beacon10.png/600px-Beacon10.png||height="274" width="600"]]
76
77 Create place types
78
79 3. Search Venues. （Indoor map area identification）
80
81 [[image:https://wiki.dragino.com/images/thumb/e/e8/Beacon11.jpg/600px-Beacon11.jpg||alt="Beacon11.jpg" height="324" width="600"]]
82
83 (((
84 (((
85 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.
86 )))
87 )))
88
89 4. Upload Floor plan.
90
91 [[image:https://wiki.dragino.com/images/thumb/d/d1/Beacon12.png/800px-Beacon12.png||alt="File:Beacon12.png" height="196" width="598"]]
92
93 add images
94
95 5. Create Layer
96
97 [[image:https://wiki.dragino.com/images/thumb/0/0e/Beacon13.png/600px-Beacon13.png||height="208" width="600"]]
98
99 create layer
100
101 (((
102 6. Add iBeacon position info. Drag the iBeacon to match position and input the UUID, MAJOR and MINOR of this iBeacon.
103 )))
104
105 [[image:https://wiki.dragino.com/images/thumb/1/1d/Beacon14.png/600px-Beacon14.png||height="261" width="600"]]
106
107 create iBeacon
108
109 = 3. Configure TTN =
110
111 == 3.1 Configure LBT1 to Upload data to TTN ==
112
113 Please refer the instruction in the [[User Manual>>url:http://www.dragino.com/downloads/index.php?dir=accessories/Bluetooth/BCN01]]. Note the LBT1 need to set to MOD=3 here.
114
115 == 3.2 Decoder in TTN ==
116
117 (% class="box" %)
118 (((
119 function Decoder(bytes, port) {
120 \\~/~/ Decode an uplink message from a buffer
121 \\~/~/ (array) of bytes to an object of fields.
122 \\value = bytes[0] << 8 | bytes[1];
123 \\var batV = value/1000;~/~/Battery,units:V
124 \\var mode = bytes[5];
125 \\~/~/var value=(bytes[3]-0x30)*1000 +(bytes[5]-0x30)*100 + (bytes[5]-0x30)*10 +(bytes[6]-0x30);
126 \\~/~/var value = bytes.slice(3);
127 \\var i;
128 \\var con;
129 \\var str = "";
130 \\var major = 1;
131 \\var minor = 1;
132 \\var rssi = 0;
133 \\var addr = "";
134 \\if(mode ==2 ) {
135 \\ for(i = 38 ; i<50 ; i++) {
136 \\ con = bytes[i].toString();
137 \\ str += String.fromCharCode(con);
138 \\ }
139 \\ addr = str;
140 \\ str = "";
141 \\ for(i = 6 ; i<38 ; i++) {
142 \\ con = bytes[i].toString();
143 \\ str += String.fromCharCode(con);
144 \\ }
145 \\ value = str;
146 \\}
147 \\if(mode == 3 ) {
148 \\ str = "";
149 \\ for(i = 18 ; i < 22 ; i++) {
150 \\ con = bytes[i].toString();
151 \\ str += String.fromCharCode(con);
152 \\ }
153 \\ major = parseInt(str, 16);
154 \\ str = "";
155 \\ for(i = 22 ; i < 26 ; i++) {
156 \\ con = bytes[i].toString();
157 \\ str += String.fromCharCode(con);
158 \\ }
159 \\ minor = parseInt(str, 16);
160 \\ str = "";
161 \\ for(i = 28 ; i < 32 ; i++) {
162 \\ con = bytes[i].toString();
163 \\ str += String.fromCharCode(con);
164 \\ }
165 \\ rssi = parseInt(str);
166 \\ str = "";
167 \\ for(i = 6 ; i < 18 ; i++) {
168 \\ con = bytes[i].toString();
169 \\ str += String.fromCharCode(con);
170 }
171 \\ value = str;
172 }
173 \\if(mode == 1) {
174 \\ for(i = 6 ; i<11 ; i++) {
175 \\ con = bytes[i].toString();
176 \\ str += String.fromCharCode(con);
177 \\ }
178 \\ value = str;
179 }
180 \\var uuid = value;
181 \\var alarm = bytes[2] >> 4 & 0x0F;
182 \\var step_count = (bytes[2] & 0x0F) << 16 | bytes[3] << 8 | bytes[4];
183 \\return {
184 UUID: uuid,
185 ADDR: addr,
186 MAJOR: major,
187 MINOR: minor,
188 RSSI:rssi,
189 STEP: step_count,
190 ALARM: alarm,
191 BatV:batV,
192 };
193 }
194
195 )))
196
197 = 4. Set Up Converter Server =
198
199 * (((
200 How to install and run this service on Linux?
201 )))
202
203 (((
204 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).
205 )))
206
207 (((
208 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.
209 )))
210
211 (((
212 System: Debian / Ubuntu
213 )))
214
215 (% class="box" %)
216 (((
217 step:
218 \\1. sudo apt install libcurl4-dev 
219 \\2. sudo apt install  gcc automake autoconf libtool make cmake
220 \\3. git clone -b master https:~/~/github.com/mikayong/location.git
221 \\4. cd location/libmqtt
222 \\5. mkdir build
223 \\6. cd build && cmake ../
224 \\7. make && sudo make install 
225 \\8. cd ../
226 \\9. make 
227 \\10. sudo cp location_conf.json  /etc/
228 \\11. Edit the configuration file, and run the location service in the background: ./location &
229 )))
230
231 (((
232 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
233 )))
234
235 = 5. Configuration file： location_conf.json =
236
237 * 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.
238
239 { "location_conf": {
240
241 (% class="box" %)
242 (((
243 "loctype": "indoor",       ~/~/ indoor/outdoor
244 "locmap": "mapwize"    ~/~/   Map interface: mapwize， traccar
245 )))
246
247 }, "mqtt_conf": {
248
249 (% class="box" %)
250 (((
251 "servaddr": "[str]",    ~/~/     Lorawan server address: Refer to TTN app handler：eu.thethings.network
252 "servport": [int],       ~/~/   Lorawan server port: 1883
253 "clientid": "[str]",       ~/~/   MQTT client identity: Custom
254 "qos":[int],                 ~/~/  （Optional） MQTT service quality: 0
255 "username":"[str]",     ~/~/   Agent name of mqtt: application ID of TTN
256 "password":"[str]",      ~/~/  The proxy password of mqtt: application access key of TTN
257 "topic":"[str]",              ~/~/ The topic of mqtt subscription: TTN is + / devices / + / up
258 "connection":"[str]" },   ~/~/（Optional） mqtt is a string used for direct connection, composed of serveraddr and port
259 "mapwize_conf":{          ~/~/Map settings
260 "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
261 "venueid":"[str]",        ~/~/ （Optional）Indoor map area identification
262 "orgid":"[str]",           ~/~/  The identity of the user organizer
263 "universesid":"[str]",   ~/~/The range indicator of the indoor map, find it on the universes page
264 "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
265 },
266 "loracloud":{
267 "token":  "[str]"          ~/~/The password string of loracloud location service, the outdoor map must fill in the account token of loracloud
268 )))
269
270 }
271
272 (% class="box" %)
273 (((
274 "rssi_conf": {
275 "rssirate": [int],          ~/~/ （Optional） A basis for rssi calculation distance, the rssi value (absolute value) when the beacon is 1 meter apart 
276 "rssidiv": [float] }        ~/~/ （Optional） rssi measures an attenuation value of distance. As the distance to the beacon is farther, the value changes speed
277 )))
278
279 }
280
281 * Parameter acquisition method of configuration file：
282
283 (% class="box" %)
284 (((
285 "username":"[str]"
286 )))
287
288 [[image:https://wiki.dragino.com/images/thumb/d/da/Beacon50.png/600px-Beacon50.png||height="185" width="600"]]
289
290 username
291
292 (% class="box" %)
293 (((
294 "password":"[str]"     
295 )))
296
297 [[image:https://wiki.dragino.com/images/thumb/b/bd/Beacon51.png/600px-Beacon51.png||height="260" width="600"]]
298
299 password
300
301 (% class="box" %)
302 (((
303 "apikey": "[str]"
304 )))
305
306 [[image:https://wiki.dragino.com/images/thumb/5/53/Qwe3.png/600px-Qwe3.png||height="321" width="600"]]
307
308 apikey
309
310 (% class="box" %)
311 (((
312 "orgid":"[str]"
313 )))
314
315 [[image:https://wiki.dragino.com/images/thumb/f/f4/Qwe4.png/600px-Qwe4.png||height="293" width="600"]]
316
317 orgid
318
319 (% class="box" %)
320 (((
321 "universesid":"[str]"
322 )))
323
324 [[image:https://wiki.dragino.com/images/thumb/9/9a/Qwe5.jpg/600px-Qwe5.jpg||height="424" width="600"]]
325
326 universesid
327
328 (% class="box" %)
329 (((
330 "placetype": "[str]"
331 )))
332
333 [[image:https://wiki.dragino.com/images/thumb/9/93/Qwe6.png/600px-Qwe6.png||height="318" width="600"]]
334
335 placetype
336
337
338 **Here are two ways to enter the server：**
339
340 **~1. WinSCP**
341
342 [[image:https://wiki.dragino.com/images/thumb/6/6b/Ibeacon4.jpg/600px-Ibeacon4.jpg||height="385" width="600"]]
343
344 [[image:https://wiki.dragino.com/images/thumb/7/78/Ibeacon5.jpg/600px-Ibeacon5.jpg||height="385" width="600"]]
345
346 [[image:https://wiki.dragino.com/images/thumb/c/cd/Ibeacon6.jpg/600px-Ibeacon6.jpg||height="363" width="600"]]
347
348 way1
349
350 **2. secureCRT**
351
352 [[image:https://wiki.dragino.com/images/thumb/7/7b/Ibeacon7.jpg/600px-Ibeacon7.jpg||height="326" width="600"]]
353
354 [[image:https://wiki.dragino.com/images/thumb/6/64/Ibeacon8.jpg/600px-Ibeacon8.jpg||height="326" width="600"]]
355
356 [[image:https://wiki.dragino.com/images/thumb/d/de/Ibeacon9.jpg/600px-Ibeacon9.jpg||height="326" width="600"]]
357
358 way2
359
360 = 6. Test Result =
361
362 The real-time position on the map is obtained according to the moving change of LBT1.
363
364 [[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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