Last modified by Xiaoling on 2023/04/20 18:14
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From version < 1.7 >
edited by Xiaoling
on 2022/05/12 17:54
To version < 1.2 >
edited by Xiaoling
on 2022/05/12 17:47
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Summary

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Content
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1 - **Contents:**
1 +
2 2  
3 -{{toc/}}
3 += Introduction =
4 4  
5 -
6 -= 1. Introduction =
7 -
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 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]]).
12 12  
13 -(((
14 14  
15 15  The basic of this feature is the decoding of LoRaWAN ABP End Node. Requirements:
16 -)))
17 17  
18 18  1. LoRaWAN End Node in ABP mode. Make sure your end node works in this mode. End node most are default set to OTAA mode
19 19  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]]
... ... @@ -20,11 +20,14 @@
20 20  1. Firmware version for below instruction:[[Since LG02_LG08~~-~~-build-v5.4.1593400722-20200629-1120>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/LPS8/Firmware/Release/]]
21 21  
22 22  
23 -= 2. How it works =
18 += How it works =
24 24  
25 25  
26 -Video Instruction: [[https:~~/~~/youtu.be/ZBjXwmp7rwM>>url:https://youtu.be/ZBjXwmp7rwM]]
21 +\\Video Instruction: [[https:~~/~~/youtu.be/ZBjXwmp7rwM>>url:https://youtu.be/ZBjXwmp7rwM]]
27 27  
23 +
24 +\\
25 +
28 28  Assume we have the LoRaWAN tracker LGT92 which works in ABP mode and US915 band. It has below keys:
29 29  
30 30  {{{AT+NWKSKEY=72 32 63 95 dd 8f e2 b2 13 66 e4 35 93 8f 55 df
... ... @@ -36,18 +36,18 @@
36 36  
37 37  We need to input above keys in LG308 and enable ABP decryption.
38 38  
39 -[[image:https://wiki.dragino.com/images/thumb/5/55/LG308_MQTT_1.png/600px-LG308_MQTT_1.png||height="329" width="600"]]
37 +[[~[~[image:https://wiki.dragino.com/images/thumb/5/55/LG308_MQTT_1.png/600px-LG308_MQTT_1.png~|~|height="329" width="600"~]~]>>url:https://wiki.dragino.com/index.php/File:LG308_MQTT_1.png]]
40 40  
41 41  Input the ABP keys in LG308
42 42  
43 43  
44 -== 2.1 Upstream ==
42 +== Upstream ==
45 45  
46 46  Now when this End Node (Dev Addr=2602111D) send a uplink packet. When this packet arrive LG308, LG308 will decode it and put the decode data on the file /var/iot/channels/2602111D . So we have this data for further process with other applications in LG308.
47 47  
48 48  We can see the log of LG308 to know this packet arrive
49 49  
50 -[[image:https://wiki.dragino.com/images/thumb/1/16/ABP_DECODE_2.png/600px-ABP_DECODE_2.png||height="205" width="600"]]
48 +[[~[~[image:https://wiki.dragino.com/images/thumb/1/16/ABP_DECODE_2.png/600px-ABP_DECODE_2.png~|~|height="205" width="600"~]~]>>url:https://wiki.dragino.com/index.php/File:ABP_DECODE_2.png]]
51 51  
52 52  LG308 log by "logread -f" command
53 53  
... ... @@ -76,7 +76,7 @@
76 76  {{{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.
77 77  }}}
78 78  
79 -=== 2.2.1 Decode Method ===
77 +=== Decode Method ===
80 80  
81 81  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.
82 82  
... ... @@ -106,7 +106,7 @@
106 106  Above scripts are store in /etc/lora/decoder/. User can put their scripts here and select it in the UI.
107 107  
108 108  
109 -=== 2.2.2 How to Decode My End Node ===
107 +=== How to Decode My End Node ===
110 110  
111 111  1/ Configure the ABP keys for your end node in the gateway. enable ABP decode in Web UI
112 112  
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128 128  * the last line return is what will be used for MQTT
129 129  * User can use other language ,not limited to Lua, just make sure the return is what you want to send.
130 130  
131 -== 2.2 Downstream ==
132 132  
130 +== Downstream ==
131 +
133 133  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
134 134  
135 135  The file should use below format:
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222 222  2:3132333435363738 --> ASCII string "12345678"
223 223  }}}
224 224  
225 -= 3. Example 1: Communicate with LT-22222-L =
224 += Example 1: Communicate with LT-22222-L =
226 226  
227 227  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]]
228 228  
... ... @@ -263,7 +263,7 @@
263 263  
264 264  ~1. Input keys
265 265  
266 -[[image:https://wiki.dragino.com/images/thumb/b/bf/LPS8_LT-22222_1.png/600px-LPS8_LT-22222_1.png||height="335" width="600"]]
265 +[[~[~[image:https://wiki.dragino.com/images/thumb/b/bf/LPS8_LT-22222_1.png/600px-LPS8_LT-22222_1.png~|~|height="335" width="600"~]~]>>url:https://wiki.dragino.com/index.php/File:LPS8_LT-22222_1.png]]
267 267  
268 268  Input Keys in LPS8
269 269  
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271 271  
272 272  3. Choose Built-in server
273 273  
274 -[[image:https://wiki.dragino.com/images/thumb/d/d7/LPS8_LT-22222_2.png/600px-LPS8_LT-22222_2.png||height="264" width="600"]]
273 +[[~[~[image:https://wiki.dragino.com/images/thumb/d/d7/LPS8_LT-22222_2.png/600px-LPS8_LT-22222_2.png~|~|height="264" width="600"~]~]>>url:https://wiki.dragino.com/index.php/File:LPS8_LT-22222_2.png]]
275 275  
276 276  Choose Built-in server
277 277  
278 278  4. Run the script.
279 279  
280 -[[image:https://wiki.dragino.com/images/thumb/3/39/LPS8_LT-22222_3.png/600px-LPS8_LT-22222_3.png||height="389" width="600"]]
279 +[[~[~[image:https://wiki.dragino.com/images/thumb/3/39/LPS8_LT-22222_3.png/600px-LPS8_LT-22222_3.png~|~|height="389" width="600"~]~]>>url:https://wiki.dragino.com/index.php/File:LPS8_LT-22222_3.png]]
281 281  
282 282  Run the script
283 283  
284 284  5. Output:
285 285  
286 -[[image:https://wiki.dragino.com/images/thumb/f/fe/LPS8_LT-22222_4.png/600px-LPS8_LT-22222_4.png||height="433" width="600"]]
285 +[[~[~[image:https://wiki.dragino.com/images/thumb/f/fe/LPS8_LT-22222_4.png/600px-LPS8_LT-22222_4.png~|~|height="433" width="600"~]~]>>url:https://wiki.dragino.com/index.php/File:LPS8_LT-22222_4.png]]
287 287  
288 288  Output from LPS8
289 289  
290 290  
291 -= 4. Example 2: Communicate to TCP Server =
290 += Example 2: Communicate to TCP Server =
292 292  
293 -[[image:https://wiki.dragino.com/images/thumb/7/75/LPS8_TCP_0.png/600px-LPS8_TCP_0.png||height="370" width="600"]]
292 +[[~[~[image:https://wiki.dragino.com/images/thumb/7/75/LPS8_TCP_0.png/600px-LPS8_TCP_0.png~|~|height="370" width="600"~]~]>>url:https://wiki.dragino.com/index.php/File:LPS8_TCP_0.png]]
294 294  
295 295  Network Structure
296 296  
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305 305  
306 306  Assume we already set up ABP keys in the gateway:
307 307  
308 -[[image:https://wiki.dragino.com/images/thumb/b/bf/LPS8_LT-22222_1.png/600px-LPS8_LT-22222_1.png||height="335" width="600"]]
307 +[[~[~[image:https://wiki.dragino.com/images/thumb/b/bf/LPS8_LT-22222_1.png/600px-LPS8_LT-22222_1.png~|~|height="335" width="600"~]~]>>url:https://wiki.dragino.com/index.php/File:LPS8_LT-22222_1.png]]
309 309  
310 310  Input Keys in LPS8
311 311  
312 312  run socket tool in PC
313 313  
314 -[[image:https://wiki.dragino.com/images/thumb/4/4b/LPS8_TCP_2.png/600px-LPS8_TCP_2.png||height="212" width="600"]]
313 +[[~[~[image:https://wiki.dragino.com/images/thumb/4/4b/LPS8_TCP_2.png/600px-LPS8_TCP_2.png~|~|height="212" width="600"~]~]>>url:https://wiki.dragino.com/index.php/File:LPS8_TCP_2.png]]
315 315  
316 316  Socket tool
317 317  
... ... @@ -318,7 +318,7 @@
318 318  
319 319  Input Server address and port
320 320  
321 -[[image:https://wiki.dragino.com/images/thumb/c/c6/LPS8_TCP_3.png/600px-LPS8_TCP_3.png||height="306" width="600"]]
320 +[[~[~[image:https://wiki.dragino.com/images/thumb/c/c6/LPS8_TCP_3.png/600px-LPS8_TCP_3.png~|~|height="306" width="600"~]~]>>url:https://wiki.dragino.com/index.php/File:LPS8_TCP_3.png]]
322 322  
323 323  Input Server address and port
324 324  
... ... @@ -325,7 +325,7 @@
325 325  
326 326  See value receive in socket tool. :
327 327  
328 -[[image:https://wiki.dragino.com/images/thumb/2/20/LPS8_TCP_4.png/600px-LPS8_TCP_4.png||height="219" width="600"]]
327 +[[~[~[image:https://wiki.dragino.com/images/thumb/2/20/LPS8_TCP_4.png/600px-LPS8_TCP_4.png~|~|height="219" width="600"~]~]>>url:https://wiki.dragino.com/index.php/File:LPS8_TCP_4.png]]
329 329  
330 330  value receive in socket tool
331 331  

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