Wiki source code of Mapwize

Version 1.4 by Xiaoling on 2022/05/17 10:16
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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/600px-Beacon12.png||height="197" width="600"]]
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
213 System: Debian / Ubuntu
214 )))
215
216 (% class="box" %)
217 (((
218 step:
219
220 ~1. sudo apt install libcurl4-dev 
221
222 2. sudo apt install  gcc automake autoconf libtool make cmake
223
224 3. git clone -b master https:~/~/github.com/mikayong/location.git
225
226 4. cd location/libmqtt
227
228 5. mkdir build
229
230 6. cd build && cmake ../
231
232 7. make && sudo make install 
233
234 8. cd ../
235
236 9. make 
237
238 10. sudo cp location_conf.json  /etc/
239
240 ~11. Edit the configuration file, and run the location service in the background: ./location &
241 )))
242
243 (((
244 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
245 )))
246
247 = 5. Configuration file： location_conf.json =
248
249 * 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.
250
251 { "location_conf": {
252
253 {{{ "loctype": "indoor", // indoor/outdoor
254 "locmap": "mapwize" // Map interface: mapwize， traccar
255 }}}
256
257 }, "mqtt_conf": {
258
259 {{{ "servaddr": "[str]", // Lorawan server address: Refer to TTN app handler：eu.thethings.network
260 "servport": [int], // Lorawan server port: 1883
261 "clientid": "[str]", // MQTT client identity: Custom
262 "qos":[int], // （Optional） MQTT service quality: 0
263 "username":"[str]", // Agent name of mqtt: application ID of TTN
264 "password":"[str]", // The proxy password of mqtt: application access key of TTN
265 "topic":"[str]", // The topic of mqtt subscription: TTN is + / devices / + / up
266 "connection":"[str]" }, //（Optional） mqtt is a string used for direct connection, composed of serveraddr and port
267 "mapwize_conf":{ //Map settings
268 "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
269 "venueid":"[str]", // （Optional）Indoor map area identification
270 "orgid":"[str]", // The identity of the user organizer
271 "universesid":"[str]", //The range indicator of the indoor map, find it on the universes page
272 "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
273 },
274 "loracloud":{
275 "token": "[str]" //The password string of loracloud location service, the outdoor map must fill in the account token of loracloud
276 }}}
277
278 }
279
280 {{{"rssi_conf": {
281 "rssirate": [int], // （Optional） A basis for rssi calculation distance, the rssi value (absolute value) when the beacon is 1 meter apart
282 "rssidiv": [float] } // （Optional） rssi measures an attenuation value of distance. As the distance to the beacon is farther, the value changes speed
283 }}}
284
285 }
286
287 * Parameter acquisition method of configuration file：
288
289 {{{"username":"[str]"
290 }}}
291
292 [[image:https://wiki.dragino.com/images/thumb/d/da/Beacon50.png/600px-Beacon50.png||height="185" width="600"]]
293
294 username
295
296 {{{"password":"[str]"
297 }}}
298
299 [[image:https://wiki.dragino.com/images/thumb/b/bd/Beacon51.png/600px-Beacon51.png||height="260" width="600"]]
300
301 password
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 {{{"orgid":"[str]"
311 }}}
312
313 [[image:https://wiki.dragino.com/images/thumb/f/f4/Qwe4.png/600px-Qwe4.png||height="293" width="600"]]
314
315 orgid
316
317 {{{"universesid":"[str]"
318 }}}
319
320 [[image:https://wiki.dragino.com/images/thumb/9/9a/Qwe5.jpg/600px-Qwe5.jpg||height="424" width="600"]]
321
322 universesid
323
324 {{{"placetype": "[str]"
325 }}}
326
327 [[image:https://wiki.dragino.com/images/thumb/9/93/Qwe6.png/600px-Qwe6.png||height="318" width="600"]]
328
329 placetype
330
331
332 * Here are two ways to enter the server
333 * WinSCP
334
335 [[image:https://wiki.dragino.com/images/thumb/6/6b/Ibeacon4.jpg/600px-Ibeacon4.jpg||height="385" width="600"]]
336
337 [[image:https://wiki.dragino.com/images/thumb/7/78/Ibeacon5.jpg/600px-Ibeacon5.jpg||height="385" width="600"]]
338
339 [[image:https://wiki.dragino.com/images/thumb/c/cd/Ibeacon6.jpg/600px-Ibeacon6.jpg||height="363" width="600"]]
340
341 way1
342
343 * secureCRT
344
345 [[image:https://wiki.dragino.com/images/thumb/7/7b/Ibeacon7.jpg/600px-Ibeacon7.jpg||height="326" width="600"]]
346
347 [[image:https://wiki.dragino.com/images/thumb/6/64/Ibeacon8.jpg/600px-Ibeacon8.jpg||height="326" width="600"]]
348
349 [[image:https://wiki.dragino.com/images/thumb/d/de/Ibeacon9.jpg/600px-Ibeacon9.jpg||height="326" width="600"]]
350
351 way2
352
353 = 6. Test Result =
354
355 The real-time position on the map is obtained according to the moving change of LBT1.
356
357 [[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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