Last modified by Xiaoling on 2023/04/20 18:14
<
From version < 20.1 >
edited by Kilight Cao
on 2022/12/01 14:00
To version < 18.1 >
edited by Xiaoling
on 2022/07/22 11:52
>
Change comment: Uploaded new attachment "image-20220722115213-2.png", version {1}

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Author
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1 -XWiki.Kilight
1 +XWiki.Xiaoling
Content
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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  
24 +
24 24  = 2. How it works =
25 25  
26 26  
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44 44  
45 45  We need to input above keys in LG308 and enable ABP decryption.
46 46  
47 -
48 48  [[image:image-20220527161119-1.png]]
49 49  
50 -
51 51  Input the ABP keys in LG308
52 52  
53 53  
54 -
55 55  == 2.1 Upstream ==
56 56  
57 57  
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58 58  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.
59 59  
60 60  (((
61 -We can see the log of LG308 to know this packet arrive.
62 -
63 -
59 +We can see the log of LG308 to know this packet arrive
64 64  )))
65 65  
66 66  [[image:image-20220527161149-2.png]]
67 67  
68 -
69 69  LG308 log by "(% style="color:red" %)**logread -f**" (%%)command
70 70  
71 71  
72 -
73 73  The data of End Node is stored in the file /var/iot/channels/2602111D. We can use hexdump command to check it.
74 74  
75 75  (% class="box" %)
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84 84  * **SNR**: 3030 3030 3030 3546 = 0x0000 005F = 95, need to divide 10 so SNR is 9.5
85 85  * **Payload**: 0xcc0c 0b63 0266 017f ff7f ff00
86 86  
81 +
82 +
87 87  (% class="box" %)
88 88  (((
89 89  (% 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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94 94  000001c
95 95  )))
96 96  
97 -
98 98  (% class="box" %)
99 99  (((
100 100  (% 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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101 101  )))
102 102  
103 103  
104 -
105 105  === 2.2.1 Decode Method ===
106 106  
107 107  
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170 170  * User can use other language ,not limited to Lua, just make sure the return is what you want to send.
171 171  
172 172  
167 +
168 +
173 173  == 2.2 Downstream ==
174 174  
175 175  
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179 179  
180 180  (% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload**
181 181  
178 +Since fimware > Dragino-v2 lgw-5.4.1608518541 . Support more option
182 182  
183 -Since fimware > [[Dragino lgw~~-~~-build-v5.4.1668567157>>https://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/LG308-LG301/Firmware/Release/]] . Support more option
184 -
185 185  (% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload,txpw,txbw,SF,frequency,rxwindow**
186 186  
187 187  * **dev_addr:** Inptu the device address
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201 201  * **SF:** Spreading Factor : SF7/SF8/SF9/SF10/SF11/SF12
202 202  * **Frequency:** Transmit Frequency: example: 923300000
203 203  * **rxwindow:** transmit on Rx1Window or Rx2Window.
204 -* **Fport: **Transmit port,example:8
205 205  
206 206  
201 +
202 +
207 207  (% style="color:blue" %)**Completely exmaple:**
208 208  
209 209  * **Old version:** echo 018193F4,imme,hex,0101 > /var/iot/push/test
210 -* **New version:** echo 018193F4,imme,hex,0101,20,1,SF12,923300000,2,2 > /var/iot/push/test
206 +* **New version:** echo 018193F4,imme,hex,0101,20,1,SF12,923300000,2 > /var/iot/push/test
211 211  
212 -(% style="color:#037691" %)**Downstream Frequency:**
213 213  
209 +
210 +
211 +(% style="color:#037691" %)**Downstream Frequency**
212 +
214 214  The LG308 will use the RX2 window info to send the downstream payload, use the default LoRaWAN settings, as below:
215 215  
216 216  * EU868: 869.525Mhz, DR0(SF12BW125)
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222 222  * IN865: 866.55Mhz, SF10 BW125
223 223  * RU864: 869.1Mhz, SF12 BW125
224 224  
224 +
225 +
226 +
225 225  (% style="color:#037691" %)**Examples:**
226 226  
227 227  (% class="box" %)
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270 270  )))
271 271  
272 272  
273 -
274 274  = 3. Example 1: Communicate with LT-22222-L =
275 275  
276 276  
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315 315  )))
316 316  
317 317  
318 -(% style="color:blue" %)**1. Input keys**
319 +**~1. Input keys**
319 319  
320 -
321 321  [[image:image-20220527162450-3.png]]
322 322  
323 323  Input Keys in LPS8
324 324  
325 325  
326 +**2. Make sure the LPS8 and LT use the same frequency bands, choose EU868 in this test.**
326 326  
327 -(% style="color:blue" %)**2. Make sure the LPS8 and LT use the same frequency bands, choose EU868 in this test.**
328 328  
329 +**3. Choose Built-in server**
329 329  
330 -(% style="color:blue" %)**3. Choose Built-in server**
331 -
332 -
333 333  [[image:image-20220527162518-4.png]]
334 334  
335 335  Choose Built-in server
336 336  
337 337  
336 +**4. Run the script.**
338 338  
339 -(% style="color:blue" %)**4. Run the script.**
338 +[[image:image-20220527162552-5.png]]
340 340  
341 -
342 -[[image:image-20220722115213-2.png]]
343 -
344 344  Run the script
345 345  
346 346  
343 +**5. Output:**
347 347  
348 -(% style="color:blue" %)**5. Output:**
345 +[[image:image-20220527162619-6.png]]
349 349  
350 -
351 -[[image:image-20220722115133-1.png]]
352 -
353 353  Output from LPS8
354 354  
355 355  
356 -
357 357  = 4. Example 2: Communicate to TCP Server =
358 358  
359 359  
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379 379  
380 380  
381 381  
382 -(% style="color:blue" %)**run socket tool in PC**
375 +**run socket tool in PC**
383 383  
384 -
385 385  [[image:image-20220527163028-9.png]]
386 386  
387 387  
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389 389  
390 390  
391 391  
392 -(% style="color:blue" %)**Input Server address and port**
384 +**Input Server address and port**
393 393  
394 -
395 395  [[image:image-20220527163106-10.png]]
396 396  
397 397  Input Server address and port
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398 398  
399 399  
400 400  
401 -(% style="color:blue" %)**See value receive in socket tool:**
392 +**See value receive in socket tool:**
402 402  
403 -
404 404  [[image:image-20220527163144-11.png]]
405 405  
406 406  value receive in socket tool

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