Last modified by Xiaoling on 2023/04/20 18:14
<
From version < 19.2 >
edited by Xiaoling
on 2022/09/17 16:42
To version < 16.9 >
edited by Xiaoling
on 2022/07/22 11:47
>
Change comment: There is no comment for this version

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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 -
17 17  (((
18 18  The basic of this feature is the decoding of (% style="color:red" %)**LoRaWAN ABP End Node**(%%). Requirements:
19 19  )))
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48 48  
49 49  We need to input above keys in LG308 and enable ABP decryption.
50 50  
51 -
52 52  [[image:image-20220527161119-1.png]]
53 53  
54 -
55 55  Input the ABP keys in LG308
56 56  
57 57  
58 -
59 59  == 2.1 Upstream ==
60 60  
61 61  
... ... @@ -62,18 +62,14 @@
62 62  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.
63 63  
64 64  (((
65 -We can see the log of LG308 to know this packet arrive.
66 -
67 -
60 +We can see the log of LG308 to know this packet arrive
68 68  )))
69 69  
70 70  [[image:image-20220527161149-2.png]]
71 71  
72 -
73 73  LG308 log by "(% style="color:red" %)**logread -f**" (%%)command
74 74  
75 75  
76 -
77 77  The data of End Node is stored in the file /var/iot/channels/2602111D. We can use hexdump command to check it.
78 78  
79 79  (% class="box" %)
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90 90  
91 91  
92 92  
84 +
93 93  (% class="box" %)
94 94  (((
95 95  (% 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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100 100  000001c
101 101  )))
102 102  
103 -
104 104  (% class="box" %)
105 105  (((
106 106  (% 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.
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107 107  )))
108 108  
109 109  
110 -
111 111  === 2.2.1 Decode Method ===
112 112  
113 113  
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178 178  
179 179  
180 180  
171 +
181 181  == 2.2 Downstream ==
182 182  
183 183  
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187 187  
188 188  (% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload**
189 189  
190 -
191 191  Since fimware > Dragino-v2 lgw-5.4.1608518541 . Support more option
192 192  
193 193  (% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload,txpw,txbw,SF,frequency,rxwindow**
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211 211  * **rxwindow:** transmit on Rx1Window or Rx2Window.
212 212  
213 213  
214 -
215 215  (% style="color:blue" %)**Completely exmaple:**
216 216  
217 217  * **Old version:** echo 018193F4,imme,hex,0101 > /var/iot/push/test
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218 218  * **New version:** echo 018193F4,imme,hex,0101,20,1,SF12,923300000,2 > /var/iot/push/test
219 219  
220 220  
210 +(% style="color:#037691" %)**Downstream Frequency**
221 221  
222 -(% style="color:#037691" %)**Downstream Frequency:**
223 -
224 224  The LG308 will use the RX2 window info to send the downstream payload, use the default LoRaWAN settings, as below:
225 225  
226 226  * EU868: 869.525Mhz, DR0(SF12BW125)
... ... @@ -233,7 +233,6 @@
233 233  * RU864: 869.1Mhz, SF12 BW125
234 234  
235 235  
236 -
237 237  (% style="color:#037691" %)**Examples:**
238 238  
239 239  (% class="box" %)
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282 282  )))
283 283  
284 284  
285 -
286 286  = 3. Example 1: Communicate with LT-22222-L =
287 287  
288 288  
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327 327  )))
328 328  
329 329  
330 -(% style="color:blue" %)**1. Input keys**
316 +**~1. Input keys**
331 331  
332 -
333 333  [[image:image-20220527162450-3.png]]
334 334  
335 335  Input Keys in LPS8
336 336  
337 337  
323 +**2. Make sure the LPS8 and LT use the same frequency bands, choose EU868 in this test.**
338 338  
339 -(% style="color:blue" %)**2. Make sure the LPS8 and LT use the same frequency bands, choose EU868 in this test.**
340 340  
326 +**3. Choose Built-in server**
341 341  
342 -(% style="color:blue" %)**3. Choose Built-in server**
343 -
344 -
345 345  [[image:image-20220527162518-4.png]]
346 346  
347 347  Choose Built-in server
348 348  
349 349  
333 +**4. Run the script.**
350 350  
351 -(% style="color:blue" %)**4. Run the script.**
335 +[[image:image-20220527162552-5.png]]
352 352  
353 -
354 -[[image:image-20220722115213-2.png]]
355 -
356 356  Run the script
357 357  
358 358  
340 +**5. Output:**
359 359  
360 -(% style="color:blue" %)**5. Output:**
342 +[[image:image-20220527162619-6.png]]
361 361  
362 -
363 -[[image:image-20220722115133-1.png]]
364 -
365 365  Output from LPS8
366 366  
367 367  
368 -
369 369  = 4. Example 2: Communicate to TCP Server =
370 370  
371 371  
... ... @@ -391,9 +391,8 @@
391 391  
392 392  
393 393  
394 -(% style="color:blue" %)**run socket tool in PC**
372 +**run socket tool in PC**
395 395  
396 -
397 397  [[image:image-20220527163028-9.png]]
398 398  
399 399  
... ... @@ -401,9 +401,8 @@
401 401  
402 402  
403 403  
404 -(% style="color:blue" %)**Input Server address and port**
381 +**Input Server address and port**
405 405  
406 -
407 407  [[image:image-20220527163106-10.png]]
408 408  
409 409  Input Server address and port
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410 410  
411 411  
412 412  
413 -(% style="color:blue" %)**See value receive in socket tool:**
389 +**See value receive in socket tool:**
414 414  
415 -
416 416  [[image:image-20220527163144-11.png]]
417 417  
418 418  value receive in socket tool
image-20220722115133-1.png
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