Last modified by Xiaoling on 2023/04/20 18:14
<
From version < 18.2 >
edited by Xiaoling
on 2022/07/22 11:52
To version < 19.2 >
edited by Xiaoling
on 2022/09/17 16:42
>
Change comment: There is no comment for this version

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... ... @@ -12,6 +12,8 @@
12 12  * No internet connection.
13 13  * 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]]).
14 14  
15 +
16 +
15 15  (((
16 16  The basic of this feature is the decoding of (% style="color:red" %)**LoRaWAN ABP End Node**(%%). Requirements:
17 17  )))
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21 21  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/]](%%)**
22 22  
23 23  
26 +
27 +
24 24  = 2. How it works =
25 25  
26 26  
... ... @@ -44,11 +44,14 @@
44 44  
45 45  We need to input above keys in LG308 and enable ABP decryption.
46 46  
51 +
47 47  [[image:image-20220527161119-1.png]]
48 48  
54 +
49 49  Input the ABP keys in LG308
50 50  
51 51  
58 +
52 52  == 2.1 Upstream ==
53 53  
54 54  
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55 55  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.
56 56  
57 57  (((
58 -We can see the log of LG308 to know this packet arrive
65 +We can see the log of LG308 to know this packet arrive.
66 +
67 +
59 59  )))
60 60  
61 61  [[image:image-20220527161149-2.png]]
62 62  
72 +
63 63  LG308 log by "(% style="color:red" %)**logread -f**" (%%)command
64 64  
65 65  
76 +
66 66  The data of End Node is stored in the file /var/iot/channels/2602111D. We can use hexdump command to check it.
67 67  
68 68  (% class="box" %)
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78 78  * **Payload**: 0xcc0c 0b63 0266 017f ff7f ff00
79 79  
80 80  
92 +
81 81  (% class="box" %)
82 82  (((
83 83  (% 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:
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88 88  000001c
89 89  )))
90 90  
103 +
91 91  (% class="box" %)
92 92  (((
93 93  (% style="color:red" %)**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.
... ... @@ -94,6 +94,7 @@
94 94  )))
95 95  
96 96  
110 +
97 97  === 2.2.1 Decode Method ===
98 98  
99 99  
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163 163  
164 164  
165 165  
180 +
166 166  == 2.2 Downstream ==
167 167  
168 168  
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172 172  
173 173  (% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload**
174 174  
190 +
175 175  Since fimware > Dragino-v2 lgw-5.4.1608518541 . Support more option
176 176  
177 177  (% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload,txpw,txbw,SF,frequency,rxwindow**
... ... @@ -203,7 +203,7 @@
203 203  
204 204  
205 205  
206 -(% style="color:#037691" %)**Downstream Frequency**
222 +(% style="color:#037691" %)**Downstream Frequency:**
207 207  
208 208  The LG308 will use the RX2 window info to send the downstream payload, use the default LoRaWAN settings, as below:
209 209  
... ... @@ -266,6 +266,7 @@
266 266  )))
267 267  
268 268  
285 +
269 269  = 3. Example 1: Communicate with LT-22222-L =
270 270  
271 271  
... ... @@ -310,37 +310,45 @@
310 310  )))
311 311  
312 312  
313 -**~1. Input keys**
330 +(% style="color:blue" %)**1. Input keys**
314 314  
332 +
315 315  [[image:image-20220527162450-3.png]]
316 316  
317 317  Input Keys in LPS8
318 318  
319 319  
320 -**2. Make sure the LPS8 and LT use the same frequency bands, choose EU868 in this test.**
321 321  
339 +(% style="color:blue" %)**2. Make sure the LPS8 and LT use the same frequency bands, choose EU868 in this test.**
322 322  
323 -**3. Choose Built-in server**
324 324  
342 +(% style="color:blue" %)**3. Choose Built-in server**
343 +
344 +
325 325  [[image:image-20220527162518-4.png]]
326 326  
327 327  Choose Built-in server
328 328  
329 329  
330 -**4. Run the script.**
331 331  
351 +(% style="color:blue" %)**4. Run the script.**
352 +
353 +
332 332  [[image:image-20220722115213-2.png]]
333 333  
334 334  Run the script
335 335  
336 336  
337 -**5. Output:**
338 338  
360 +(% style="color:blue" %)**5. Output:**
361 +
362 +
339 339  [[image:image-20220722115133-1.png]]
340 340  
341 341  Output from LPS8
342 342  
343 343  
368 +
344 344  = 4. Example 2: Communicate to TCP Server =
345 345  
346 346  
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366 366  
367 367  
368 368  
369 -**run socket tool in PC**
394 +(% style="color:blue" %)**run socket tool in PC**
370 370  
396 +
371 371  [[image:image-20220527163028-9.png]]
372 372  
373 373  
... ... @@ -375,8 +375,9 @@
375 375  
376 376  
377 377  
378 -**Input Server address and port**
404 +(% style="color:blue" %)**Input Server address and port**
379 379  
406 +
380 380  [[image:image-20220527163106-10.png]]
381 381  
382 382  Input Server address and port
... ... @@ -383,8 +383,9 @@
383 383  
384 384  
385 385  
386 -**See value receive in socket tool:**
413 +(% style="color:blue" %)**See value receive in socket tool:**
387 387  
415 +
388 388  [[image:image-20220527163144-11.png]]
389 389  
390 390  value receive in socket tool

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