Last modified by Xiaoling on 2023/04/20 18:14
<
From version < 16.9 >
edited by Xiaoling
on 2022/07/22 11:47
To version < 19.2 >
edited by Xiaoling
on 2022/09/17 16:42
>
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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 +
15 15  (((
16 16  The basic of this feature is the decoding of (% style="color:red" %)**LoRaWAN ABP End Node**(%%). Requirements:
17 17  )))
... ... @@ -46,11 +46,14 @@
46 46  
47 47  We need to input above keys in LG308 and enable ABP decryption.
48 48  
51 +
49 49  [[image:image-20220527161119-1.png]]
50 50  
54 +
51 51  Input the ABP keys in LG308
52 52  
53 53  
58 +
54 54  == 2.1 Upstream ==
55 55  
56 56  
... ... @@ -57,14 +57,18 @@
57 57  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.
58 58  
59 59  (((
60 -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 +
61 61  )))
62 62  
63 63  [[image:image-20220527161149-2.png]]
64 64  
72 +
65 65  LG308 log by "(% style="color:red" %)**logread -f**" (%%)command
66 66  
67 67  
76 +
68 68  The data of End Node is stored in the file /var/iot/channels/2602111D. We can use hexdump command to check it.
69 69  
70 70  (% class="box" %)
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81 81  
82 82  
83 83  
84 -
85 85  (% class="box" %)
86 86  (((
87 87  (% 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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92 92  000001c
93 93  )))
94 94  
103 +
95 95  (% class="box" %)
96 96  (((
97 97  (% 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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98 98  )))
99 99  
100 100  
110 +
101 101  === 2.2.1 Decode Method ===
102 102  
103 103  
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168 168  
169 169  
170 170  
171 -
172 172  == 2.2 Downstream ==
173 173  
174 174  
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178 178  
179 179  (% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload**
180 180  
190 +
181 181  Since fimware > Dragino-v2 lgw-5.4.1608518541 . Support more option
182 182  
183 183  (% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload,txpw,txbw,SF,frequency,rxwindow**
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201 201  * **rxwindow:** transmit on Rx1Window or Rx2Window.
202 202  
203 203  
214 +
204 204  (% style="color:blue" %)**Completely exmaple:**
205 205  
206 206  * **Old version:** echo 018193F4,imme,hex,0101 > /var/iot/push/test
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207 207  * **New version:** echo 018193F4,imme,hex,0101,20,1,SF12,923300000,2 > /var/iot/push/test
208 208  
209 209  
210 -(% style="color:#037691" %)**Downstream Frequency**
211 211  
222 +(% style="color:#037691" %)**Downstream Frequency:**
223 +
212 212  The LG308 will use the RX2 window info to send the downstream payload, use the default LoRaWAN settings, as below:
213 213  
214 214  * EU868: 869.525Mhz, DR0(SF12BW125)
... ... @@ -221,6 +221,7 @@
221 221  * RU864: 869.1Mhz, SF12 BW125
222 222  
223 223  
236 +
224 224  (% style="color:#037691" %)**Examples:**
225 225  
226 226  (% class="box" %)
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269 269  )))
270 270  
271 271  
285 +
272 272  = 3. Example 1: Communicate with LT-22222-L =
273 273  
274 274  
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313 313  )))
314 314  
315 315  
316 -**~1. Input keys**
330 +(% style="color:blue" %)**1. Input keys**
317 317  
332 +
318 318  [[image:image-20220527162450-3.png]]
319 319  
320 320  Input Keys in LPS8
321 321  
322 322  
323 -**2. Make sure the LPS8 and LT use the same frequency bands, choose EU868 in this test.**
324 324  
339 +(% style="color:blue" %)**2. Make sure the LPS8 and LT use the same frequency bands, choose EU868 in this test.**
325 325  
326 -**3. Choose Built-in server**
327 327  
342 +(% style="color:blue" %)**3. Choose Built-in server**
343 +
344 +
328 328  [[image:image-20220527162518-4.png]]
329 329  
330 330  Choose Built-in server
331 331  
332 332  
333 -**4. Run the script.**
334 334  
335 -[[image:image-20220527162552-5.png]]
351 +(% style="color:blue" %)**4. Run the script.**
336 336  
353 +
354 +[[image:image-20220722115213-2.png]]
355 +
337 337  Run the script
338 338  
339 339  
340 -**5. Output:**
341 341  
342 -[[image:image-20220527162619-6.png]]
360 +(% style="color:blue" %)**5. Output:**
343 343  
362 +
363 +[[image:image-20220722115133-1.png]]
364 +
344 344  Output from LPS8
345 345  
346 346  
368 +
347 347  = 4. Example 2: Communicate to TCP Server =
348 348  
349 349  
... ... @@ -369,8 +369,9 @@
369 369  
370 370  
371 371  
372 -**run socket tool in PC**
394 +(% style="color:blue" %)**run socket tool in PC**
373 373  
396 +
374 374  [[image:image-20220527163028-9.png]]
375 375  
376 376  
... ... @@ -378,8 +378,9 @@
378 378  
379 379  
380 380  
381 -**Input Server address and port**
404 +(% style="color:blue" %)**Input Server address and port**
382 382  
406 +
383 383  [[image:image-20220527163106-10.png]]
384 384  
385 385  Input Server address and port
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386 386  
387 387  
388 388  
389 -**See value receive in socket tool:**
413 +(% style="color:blue" %)**See value receive in socket tool:**
390 390  
415 +
391 391  [[image:image-20220527163144-11.png]]
392 392  
393 393  value receive in socket tool
image-20220722115133-1.png
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