Last modified by Xiaoling on 2023/04/20 18:14
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edited by Xiaoling
on 2022/05/27 16:33
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18 18  1. LoRaWAN Gateway model: [[LPS8>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/148-lps8.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]] ,[[LIG16>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/171-lig16.html]]
19 19  1. Firmware version for below instruction:**[[(% style="color:purple" %)Since LG02_LG08~~-~~-build-v5.4.1593400722-20200629-1120>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/LPS8/Firmware/Release/]](%%)**
20 20  
21 -
22 -
23 23  = 2. How it works =
24 24  
25 25  
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76 76  (% class="box" %)
77 77  (((
78 78  (% style="color:red" %)**Notice 1**(%%): The data file stored in LG308 for the end node is bin file. If the end node sends ASCII string to gateway, the output will as below:
79 -in LGT92, use (% style="color:#037691" %)**AT+SEND=12:hello world** (%%)to send ASCII string
77 +in LGT92, use **(% style="color:#037691" %)AT+SEND=12:hello world** (%%)to send ASCII string
80 80  root@dragino-1d25dc:~~# hexdump /var/iot/channels/2602111D
81 81  0000000 4646 4646 4646 3946 3030 3030 3030 3546
82 82  0000010 6865 6c6c 6f20 776f 726c 6400      ~-~-> Got ASCII code "hello world"    
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88 88  (% style="color:#037691" %)**Notice 2**(%%): The upstream payload length should match the LoRaWAN length requirement (max length depends on Frequency and DR), otherwise the gateway can't decode the payload.
89 89  )))
90 90  
91 -
92 92  === 2.2.1 Decode Method ===
93 93  
94 -The decode methods: (% style="color:#037691" %)**ASCII String, Decode_LHT65**(%%) doesn't affect how the sensor data is stored, they are to define how should the sensor data to be sent.
91 +The decode methods: **ASCII String, Decode_LHT65** doesn't affect how the sensor data is stored, they are to define how should the sensor data to be sent.
95 95  
96 96  For example we have a LHT65 , works in ABP mode and gateway successful get the data, which are:
97 97  
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109 109  (((
110 110  Sun Sep 27 04:33:16 2020 user.notice root: [IoT.MQTT]:pub_topic[-t]: dragino-1baf44/01826108/data
111 111  Sun Sep 27 04:33:16 2020 user.notice root: [IoT.MQTT]:decoder: ASCII
112 -Sun Sep 27 04:33:16 2020 user.notice root: [IoT.MQTT]:mqtt_data[-m]: (% style="color:#037691" %)**ffffffe700000048ccd17fff7fff017fff7fff00**
109 +Sun Sep 27 04:33:16 2020 user.notice root: [IoT.MQTT]:mqtt_data[-m]: ffffffe700000048ccd17fff7fff017fff7fff00
113 113  )))
114 114  
115 115  If we choose Decode_LHT65, the MQTT process will send out with mqtt-data
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118 118  (((
119 119  Sun Sep 27 04:36:45 2020 user.notice root: [IoT.MQTT]:pub_topic[-t]: dragino-1baf44/01826108/data
120 120  Sun Sep 27 04:36:45 2020 user.notice root: [IoT.MQTT]:decoder: Dragino_LHT65
121 -Sun Sep 27 04:36:45 2020 user.notice root: [IoT.MQTT]:mqtt_data[-m]:** (% style="color:#037691" %){"Hum_SHT":32.7,"BatV":3.281,"TempC_DS":32.9,
122 -"EXT":"Temperature Sensor","RSSI":-24,"TempC_SHT":85.0,"SNR":8.2,"ext_sensor":0}(%%)**
118 +Sun Sep 27 04:36:45 2020 user.notice root: [IoT.MQTT]:mqtt_data[-m]: {"Hum_SHT":32.7,"BatV":3.281,"TempC_DS":32.9,
119 +"EXT":"Temperature Sensor","RSSI":-24,"TempC_SHT":85.0,"SNR":8.2,"ext_sensor":0}
123 123  )))
124 124  
125 125  Above scripts are store in /etc/lora/decoder/. User can put their scripts here and select it in the UI.
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147 147  * the last line return is what will be used for MQTT
148 148  * User can use other language ,not limited to Lua, just make sure the return is what you want to send.
149 149  
150 -
151 -
152 152  == 2.2 Downstream ==
153 153  
154 154  In LG308, we can create a file in the directory /var/iot/push for downstream purpose. We recommend using each command to generate this file. This file will be used for transmission and auto-deleted after used
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155 155  
156 156  The file should use below format:
157 157  
158 -(% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload**
153 +(% class="mark" %)**dev_addr,imme/time,txt/hex,payload**
159 159  
160 160  Since fimware > Dragino-v2 lgw-5.4.1608518541 . Support more option
161 161  
162 -(% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload,txpw,txbw,SF,frequency,rxwindow**
157 +(% class="mark" %)**dev_addr,imme/time,txt/hex,payload,txpw,txbw,SF,frequency,rxwindow**
163 163  
164 164  * dev_addr: Inptu the device address
165 165  * imme/time:
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184 184  * Old version: echo 018193F4,imme,hex,0101 > /var/iot/push/test
185 185  * New version: echo 018193F4,imme,hex,0101,20,1,SF12,923300000,2 > /var/iot/push/test
186 186  
187 -(% style="color:#037691" %)**Downstream Frequency**
182 +(% class="mark" %)**Downstream Frequency**
188 188  
189 189  The LG308 will use the RX2 window info to send the downstream payload, use the default LoRaWAN settings, as below:
190 190  
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197 197  * IN865: 866.55Mhz, SF10 BW125
198 198  * RU864: 869.1Mhz, SF12 BW125
199 199  
200 -(% style="color:#037691" %)**Examples:**
195 +(% class="mark" %)**Examples:**
201 201  
202 202  (% class="box" %)
203 203  (((
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233 233  [5767501]rxDone
234 234  Rssi= -41
235 235  Receive data
236 -(% style="color:#037691" %)**2:12345678**  (%%) ~-~-> Hex
231 +2:12345678    ~-~-> Hex
237 237  )))
238 238  
239 239  (% class="box" %)
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249 249  [5958595]rxDone
250 250  Rssi= -37
251 251  Receive data
252 -(% style="color:#037691" %)**2:3132333435363738**(%%) ~-~-> ASCII string "12345678"
247 +2:3132333435363738 ~-~-> ASCII string "12345678"
253 253  )))
254 254  
255 -
256 256  = 3. Example 1: Communicate with LT-22222-L =
257 257  
258 258  Script can be download from: [[Example Script 1>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/LPS8/Firmware/customized_script/&file=talk_to_lt-22222-l_v0.1.sh]]
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297 297  
298 298  ~1. Input keys
299 299  
300 -[[image:image-20220527162450-3.png]]
294 +[[image:https://wiki.dragino.com/images/thumb/b/bf/LPS8_LT-22222_1.png/600px-LPS8_LT-22222_1.png||height="335" width="600"]]
301 301  
302 302  Input Keys in LPS8
303 303  
304 -
305 305  2. Make sure the LPS8 and LT use the same frequency bands, choose EU868 in this test.
306 306  
307 307  3. Choose Built-in server
308 308  
309 -[[image:image-20220527162518-4.png]]
302 +[[image:https://wiki.dragino.com/images/thumb/d/d7/LPS8_LT-22222_2.png/600px-LPS8_LT-22222_2.png||height="264" width="600"]]
310 310  
311 311  Choose Built-in server
312 312  
313 -
314 314  4. Run the script.
315 315  
316 -[[image:image-20220527162552-5.png]]
308 +[[image:https://wiki.dragino.com/images/thumb/3/39/LPS8_LT-22222_3.png/600px-LPS8_LT-22222_3.png||height="389" width="600"]]
317 317  
318 318  Run the script
319 319  
320 -
321 321  5. Output:
322 322  
323 -[[image:image-20220527162619-6.png]]
314 +[[image:https://wiki.dragino.com/images/thumb/f/fe/LPS8_LT-22222_4.png/600px-LPS8_LT-22222_4.png||height="433" width="600"]]
324 324  
325 325  Output from LPS8
326 326  
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327 327  
328 328  = 4. Example 2: Communicate to TCP Server =
329 329  
330 -[[image:image-20220527162648-7.png]]
321 +[[image:https://wiki.dragino.com/images/thumb/7/75/LPS8_TCP_0.png/600px-LPS8_TCP_0.png||height="370" width="600"]]
331 331  
332 332  Network Structure
333 333  
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335 335  Full instruction video inlcude how to write scripts to fit server needed is here:
336 336  
337 337  
338 -(% style="color:#037691" %)**Video Instruction**(%%): **[[https:~~/~~/youtu.be/-nevW6U2TsE>>url:https://youtu.be/-nevW6U2TsE]]**
329 +(% class="mark" %)**Video Instruction**: [[https:~~/~~/youtu.be/-nevW6U2TsE>>url:https://youtu.be/-nevW6U2TsE]]
339 339  
331 +(% class="mark" %)**Note: Firmware version must be higher than lgw-5.4.1607519907**
340 340  
341 -(% style="color:red" %)**Note: Firmware version must be higher than lgw-5.4.1607519907**
342 -
343 343  Assume we already set up ABP keys in the gateway:
344 344  
345 -[[image:image-20220527162852-8.png]]
335 +[[image:https://wiki.dragino.com/images/thumb/b/bf/LPS8_LT-22222_1.png/600px-LPS8_LT-22222_1.png||height="335" width="600"]]
346 346  
347 347  Input Keys in LPS8
348 348  
349 -
350 350  run socket tool in PC
351 351  
352 -[[image:image-20220527163028-9.png]]
341 +[[image:https://wiki.dragino.com/images/thumb/4/4b/LPS8_TCP_2.png/600px-LPS8_TCP_2.png||height="212" width="600"]]
353 353  
354 -
355 355  Socket tool
356 356  
357 357  
358 358  Input Server address and port
359 359  
360 -[[image:image-20220527163106-10.png]]
348 +[[image:https://wiki.dragino.com/images/thumb/c/c6/LPS8_TCP_3.png/600px-LPS8_TCP_3.png||height="306" width="600"]]
361 361  
362 362  Input Server address and port
363 363  
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364 364  
365 365  See value receive in socket tool. :
366 366  
367 -[[image:image-20220527163144-11.png]]
355 +[[image:https://wiki.dragino.com/images/thumb/2/20/LPS8_TCP_4.png/600px-LPS8_TCP_4.png||height="219" width="600"]]
368 368  
369 369  value receive in socket tool
370 370  
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