Last modified by Xiaoling on 2023/04/20 18:14
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From version < 3.5 >
edited by Xiaoling
on 2022/05/27 16:17
To version < 14.7 >
edited by Xiaoling
on 2022/06/01 11:14
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8 8  The Dragino LoRaWAN gateway can commuicate with LoRaWAN ABP End Node without the need of LoRaWAN server. It can be used in some cases such as:
9 9  
10 10  * No internet connection.
11 -* User wants to get data forward in gateway and forward to their server base on MQTT/HTTP, etc. (Combine ABP communication method and [[MQTT forward together>>url:https://wiki.dragino.com/index.php/MQTT_Forward_Instruction]]).
11 +* User wants to get data forward in gateway and forward to their server base on MQTT/HTTP, etc. (Combine ABP communication method and [[MQTT forward together>>MQTT Forward Instruction]]).
12 12  
13 13  (((
14 14  The basic of this feature is the decoding of (% style="color:red" %)**LoRaWAN ABP End Node**(%%). Requirements:
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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 +
21 21  = 2. How it works =
22 22  
23 23  
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74 74  (% class="box" %)
75 75  (((
76 76  (% 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:
77 -in LGT92, use **(% style="color:#037691" %)AT+SEND=12:hello world** (%%)to send ASCII string
79 +in LGT92, use (% style="color:#037691" %)**AT+SEND=12:hello world** (%%)to send ASCII string
78 78  root@dragino-1d25dc:~~# hexdump /var/iot/channels/2602111D
79 79  0000000 4646 4646 4646 3946 3030 3030 3030 3546
80 80  0000010 6865 6c6c 6f20 776f 726c 6400      ~-~-> Got ASCII code "hello world"    
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89 89  
90 90  === 2.2.1 Decode Method ===
91 91  
92 -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.
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.
93 93  
94 94  For example we have a LHT65 , works in ABP mode and gateway successful get the data, which are:
95 95  
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107 107  (((
108 108  Sun Sep 27 04:33:16 2020 user.notice root: [IoT.MQTT]:pub_topic[-t]: dragino-1baf44/01826108/data
109 109  Sun Sep 27 04:33:16 2020 user.notice root: [IoT.MQTT]:decoder: ASCII
110 -Sun Sep 27 04:33:16 2020 user.notice root: [IoT.MQTT]:mqtt_data[-m]: ffffffe700000048ccd17fff7fff017fff7fff00
112 +Sun Sep 27 04:33:16 2020 user.notice root: [IoT.MQTT]:mqtt_data[-m]: (% style="color:#037691" %)**ffffffe700000048ccd17fff7fff017fff7fff00**
111 111  )))
112 112  
113 113  If we choose Decode_LHT65, the MQTT process will send out with mqtt-data
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116 116  (((
117 117  Sun Sep 27 04:36:45 2020 user.notice root: [IoT.MQTT]:pub_topic[-t]: dragino-1baf44/01826108/data
118 118  Sun Sep 27 04:36:45 2020 user.notice root: [IoT.MQTT]:decoder: Dragino_LHT65
119 -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,
120 -"EXT":"Temperature Sensor","RSSI":-24,"TempC_SHT":85.0,"SNR":8.2,"ext_sensor":0}
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}(%%)**
121 121  )))
122 122  
123 123  Above scripts are store in /etc/lora/decoder/. User can put their scripts here and select it in the UI.
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145 145  * the last line return is what will be used for MQTT
146 146  * User can use other language ,not limited to Lua, just make sure the return is what you want to send.
147 147  
150 +
148 148  == 2.2 Downstream ==
149 149  
150 150  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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151 151  
152 152  The file should use below format:
153 153  
154 -(% class="mark" %)**dev_addr,imme/time,txt/hex,payload**
157 +(% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload**
155 155  
156 156  Since fimware > Dragino-v2 lgw-5.4.1608518541 . Support more option
157 157  
158 -(% class="mark" %)**dev_addr,imme/time,txt/hex,payload,txpw,txbw,SF,frequency,rxwindow**
161 +(% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload,txpw,txbw,SF,frequency,rxwindow**
159 159  
160 160  * dev_addr: Inptu the device address
161 161  * imme/time:
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180 180  * Old version: echo 018193F4,imme,hex,0101 > /var/iot/push/test
181 181  * New version: echo 018193F4,imme,hex,0101,20,1,SF12,923300000,2 > /var/iot/push/test
182 182  
183 -(% class="mark" %)**Downstream Frequency**
184 184  
187 +(% style="color:#037691" %)**Downstream Frequency**
188 +
185 185  The LG308 will use the RX2 window info to send the downstream payload, use the default LoRaWAN settings, as below:
186 186  
187 187  * EU868: 869.525Mhz, DR0(SF12BW125)
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193 193  * IN865: 866.55Mhz, SF10 BW125
194 194  * RU864: 869.1Mhz, SF12 BW125
195 195  
196 -(% class="mark" %)**Examples:**
197 197  
201 +(% style="color:#037691" %)**Examples:**
202 +
198 198  (% class="box" %)
199 199  (((
200 200  we can use echo command to create files in LG308 for downstream.
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229 229  [5767501]rxDone
230 230  Rssi= -41
231 231  Receive data
232 -2:12345678    ~-~-> Hex
237 +(% style="color:#037691" %)**2:12345678**  (%%) ~-~-> Hex
233 233  )))
234 234  
235 235  (% class="box" %)
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245 245  [5958595]rxDone
246 246  Rssi= -37
247 247  Receive data
248 -2:3132333435363738 ~-~-> ASCII string "12345678"
253 +(% style="color:#037691" %)**2:3132333435363738**(%%) ~-~-> ASCII string "12345678"
249 249  )))
250 250  
256 +
251 251  = 3. Example 1: Communicate with LT-22222-L =
252 252  
253 253  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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292 292  
293 293  ~1. Input keys
294 294  
295 -[[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 +[[image:image-20220527162450-3.png]]
296 296  
297 297  Input Keys in LPS8
298 298  
305 +
299 299  2. Make sure the LPS8 and LT use the same frequency bands, choose EU868 in this test.
300 300  
301 301  3. Choose Built-in server
302 302  
303 -[[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 +[[image:image-20220527162518-4.png]]
304 304  
305 305  Choose Built-in server
306 306  
314 +
307 307  4. Run the script.
308 308  
309 -[[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 +[[image:image-20220527162552-5.png]]
310 310  
311 311  Run the script
312 312  
321 +
313 313  5. Output:
314 314  
315 -[[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 +[[image:image-20220527162619-6.png]]
316 316  
317 317  Output from LPS8
318 318  
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319 319  
320 320  = 4. Example 2: Communicate to TCP Server =
321 321  
322 -[[image:https://wiki.dragino.com/images/thumb/7/75/LPS8_TCP_0.png/600px-LPS8_TCP_0.png||height="370" width="600"]]
331 +[[image:image-20220527162648-7.png]]
323 323  
324 324  Network Structure
325 325  
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327 327  Full instruction video inlcude how to write scripts to fit server needed is here:
328 328  
329 329  
330 -(% class="mark" %)**Video Instruction**: [[https:~~/~~/youtu.be/-nevW6U2TsE>>url:https://youtu.be/-nevW6U2TsE]]
339 +(% style="color:#037691" %)**Video Instruction**(%%): **[[https:~~/~~/youtu.be/-nevW6U2TsE>>url:https://youtu.be/-nevW6U2TsE]]**
331 331  
332 -(% class="mark" %)**Note: Firmware version must be higher than lgw-5.4.1607519907**
333 333  
342 +(% style="color:red" %)**Note: Firmware version must be higher than lgw-5.4.1607519907**
343 +
334 334  Assume we already set up ABP keys in the gateway:
335 335  
336 -[[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 +[[image:image-20220527162852-8.png]]
337 337  
338 338  Input Keys in LPS8
339 339  
350 +
340 340  run socket tool in PC
341 341  
342 -[[image:https://wiki.dragino.com/images/thumb/4/4b/LPS8_TCP_2.png/600px-LPS8_TCP_2.png||height="212" width="600"]]
353 +[[image:image-20220527163028-9.png]]
343 343  
355 +
344 344  Socket tool
345 345  
346 346  
347 347  Input Server address and port
348 348  
349 -[[image:https://wiki.dragino.com/images/thumb/c/c6/LPS8_TCP_3.png/600px-LPS8_TCP_3.png||height="306" width="600"]]
361 +[[image:image-20220527163106-10.png]]
350 350  
351 351  Input Server address and port
352 352  
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353 353  
354 354  See value receive in socket tool. :
355 355  
356 -[[image:https://wiki.dragino.com/images/thumb/2/20/LPS8_TCP_4.png/600px-LPS8_TCP_4.png||height="219" width="600"]]
368 +[[image:image-20220527163144-11.png]]
357 357  
358 358  value receive in socket tool
359 359  
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