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 < 20.1 >
edited by Kilight Cao
on 2022/12/01 14:00
>
Change comment: There is no comment for this version

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1 -XWiki.Xiaoling
1 +XWiki.Kilight
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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 -
25 -
26 26  = 2. How it works =
27 27  
28 28  
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46 46  
47 47  We need to input above keys in LG308 and enable ABP decryption.
48 48  
47 +
49 49  [[image:image-20220527161119-1.png]]
50 50  
50 +
51 51  Input the ABP keys in LG308
52 52  
53 53  
54 +
54 54  == 2.1 Upstream ==
55 55  
56 56  
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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
61 +We can see the log of LG308 to know this packet arrive.
62 +
63 +
61 61  )))
62 62  
63 63  [[image:image-20220527161149-2.png]]
64 64  
68 +
65 65  LG308 log by "(% style="color:red" %)**logread -f**" (%%)command
66 66  
67 67  
72 +
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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79 79  * **SNR**: 3030 3030 3030 3546 = 0x0000 005F = 95, need to divide 10 so SNR is 9.5
80 80  * **Payload**: 0xcc0c 0b63 0266 017f ff7f ff00
81 81  
82 -
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  
97 +
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  
104 +
101 101  === 2.2.1 Decode Method ===
102 102  
103 103  
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166 166  * User can use other language ,not limited to Lua, just make sure the return is what you want to send.
167 167  
168 168  
169 -
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  
181 -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 +
183 183  (% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload,txpw,txbw,SF,frequency,rxwindow**
184 184  
185 185  * **dev_addr:** Inptu the device address
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199 199  * **SF:** Spreading Factor : SF7/SF8/SF9/SF10/SF11/SF12
200 200  * **Frequency:** Transmit Frequency: example: 923300000
201 201  * **rxwindow:** transmit on Rx1Window or Rx2Window.
204 +* **Fport: **Transmit port,example:8
202 202  
203 203  
204 204  (% style="color:blue" %)**Completely exmaple:**
205 205  
206 206  * **Old version:** echo 018193F4,imme,hex,0101 > /var/iot/push/test
207 -* **New version:** echo 018193F4,imme,hex,0101,20,1,SF12,923300000,2 > /var/iot/push/test
210 +* **New version:** echo 018193F4,imme,hex,0101,20,1,SF12,923300000,2,2 > /var/iot/push/test
208 208  
212 +(% style="color:#037691" %)**Downstream Frequency:**
209 209  
210 -(% style="color:#037691" %)**Downstream Frequency**
211 -
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)
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220 220  * IN865: 866.55Mhz, SF10 BW125
221 221  * RU864: 869.1Mhz, SF12 BW125
222 222  
223 -
224 224  (% style="color:#037691" %)**Examples:**
225 225  
226 226  (% class="box" %)
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269 269  )))
270 270  
271 271  
273 +
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**
318 +(% style="color:blue" %)**1. Input keys**
317 317  
320 +
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  
327 +(% 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  
330 +(% style="color:blue" %)**3. Choose Built-in server**
331 +
332 +
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]]
339 +(% style="color:blue" %)**4. Run the script.**
336 336  
341 +
342 +[[image:image-20220722115213-2.png]]
343 +
337 337  Run the script
338 338  
339 339  
340 -**5. Output:**
341 341  
342 -[[image:image-20220527162619-6.png]]
348 +(% style="color:blue" %)**5. Output:**
343 343  
350 +
351 +[[image:image-20220722115133-1.png]]
352 +
344 344  Output from LPS8
345 345  
346 346  
356 +
347 347  = 4. Example 2: Communicate to TCP Server =
348 348  
349 349  
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369 369  
370 370  
371 371  
372 -**run socket tool in PC**
382 +(% style="color:blue" %)**run socket tool in PC**
373 373  
384 +
374 374  [[image:image-20220527163028-9.png]]
375 375  
376 376  
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378 378  
379 379  
380 380  
381 -**Input Server address and port**
392 +(% style="color:blue" %)**Input Server address and port**
382 382  
394 +
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:**
401 +(% style="color:blue" %)**See value receive in socket tool:**
390 390  
403 +
391 391  [[image:image-20220527163144-11.png]]
392 392  
393 393  value receive in socket tool
image-20220722115133-1.png
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