Last modified by Xiaoling on 2023/04/20 18:14
<
From version < 16.2 >
edited by Xiaoling
on 2022/07/22 11:41
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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44 44  
45 45  We need to input above keys in LG308 and enable ABP decryption.
46 46  
47 +
47 47  [[image:image-20220527161119-1.png]]
48 48  
50 +
49 49  Input the ABP keys in LG308
50 50  
51 51  
54 +
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
61 +We can see the log of LG308 to know this packet arrive.
62 +
63 +
59 59  )))
60 60  
61 61  [[image:image-20220527161149-2.png]]
62 62  
68 +
63 63  LG308 log by "(% style="color:red" %)**logread -f**" (%%)command
64 64  
65 65  
72 +
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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87 87  000001c
88 88  )))
89 89  
97 +
90 90  (% class="box" %)
91 91  (((
92 92  (% 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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93 93  )))
94 94  
95 95  
104 +
96 96  === 2.2.1 Decode Method ===
97 97  
98 98  
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161 161  * User can use other language ,not limited to Lua, just make sure the return is what you want to send.
162 162  
163 163  
164 -
165 165  == 2.2 Downstream ==
166 166  
167 167  
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171 171  
172 172  (% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload**
173 173  
174 -Since fimware > Dragino-v2 lgw-5.4.1608518541 . Support more option
175 175  
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 +
176 176  (% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload,txpw,txbw,SF,frequency,rxwindow**
177 177  
178 178  * **dev_addr:** Inptu the device address
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192 192  * **SF:** Spreading Factor : SF7/SF8/SF9/SF10/SF11/SF12
193 193  * **Frequency:** Transmit Frequency: example: 923300000
194 194  * **rxwindow:** transmit on Rx1Window or Rx2Window.
204 +* **Fport: **Transmit port,example:8
195 195  
206 +
196 196  (% style="color:blue" %)**Completely exmaple:**
197 197  
198 198  * **Old version:** echo 018193F4,imme,hex,0101 > /var/iot/push/test
199 -* **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
200 200  
201 -(% style="color:#037691" %)**Downstream Frequency**
212 +(% style="color:#037691" %)**Downstream Frequency:**
202 202  
203 203  The LG308 will use the RX2 window info to send the downstream payload, use the default LoRaWAN settings, as below:
204 204  
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217 217  (((
218 218  we can use echo command to create files in LG308 for downstream.
219 219  root@dragino-1d25dc:~~# echo 2602111D,time,hex,12345678 > /var/iot/push/test
220 -)))
221 221  
222 -(% class="box" %)
223 -(((
232 +
224 224  **1)** From logread -f of gateway, we can see it has been added as pedning.
225 225  lora_pkt_fwd[4286]: INFO~~ [DNLK]Looking file : test
226 226  lora_pkt_fwd[4286]: INFO~~ [DNLK]devaddr:2602111D, txmode:time, pdfm:hex, size:4, payload1:4Vx,payload_hex:77C1BB90
227 227  lora_pkt_fwd[4286]: INFO~~ [DNLK] DNLINK PENDING!(1 elems).
228 -)))
229 229  
230 -(% class="box" %)
231 -(((
238 +
232 232  **2)** When there is an upstrea from end node, this downstream will be sent and shows:
233 233  lora_pkt_fwd[4286]: INFO: tx_start_delay=1497 (1497.000000) - (1497, bw_delay=0.000000, notch_delay=0.000000)
234 234  lora_pkt_fwd[4286]: [LGWSEND]lgw_send done: count_us=3537314420, freq=923300000, size=17
235 -)))
236 236  
237 -(% class="box" %)
238 -(((
243 +
239 239  **3)** and the end node will got:
240 240  [5764825]~*~*~*~** UpLinkCounter= 98 ~*~*~*~**
241 241  [5764827]TX on freq 905300000 Hz at DR 0
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248 248  Rssi= -41
249 249  Receive data
250 250  (% style="color:#037691" %)**2:12345678**  (%%) ~-~-> Hex
251 -)))
252 252  
253 -(% class="box" %)
254 -(((
257 +
255 255  **4) **If we use the command "echo 2602111D,time,txt,12345678 > /var/iot/push/test" for downstream, the end node will got:
256 256  [5955877]~*~*~*~** UpLinkCounter= 102 ~*~*~*~**
257 257  [5955879]TX on freq 904100000 Hz at DR 0
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267 267  )))
268 268  
269 269  
273 +
270 270  = 3. Example 1: Communicate with LT-22222-L =
271 271  
272 272  
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310 310  #  whether the Device 2 has been changed.//
311 311  )))
312 312  
313 -**~1. Input keys**
314 314  
318 +(% style="color:blue" %)**1. Input keys**
319 +
320 +
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  
322 -**3. Choose Built-in server**
327 +(% style="color:blue" %)**2. Make sure the LPS8 and LT use the same frequency bands, choose EU868 in this test.**
323 323  
329 +
330 +(% style="color:blue" %)**3. Choose Built-in server**
331 +
332 +
324 324  [[image:image-20220527162518-4.png]]
325 325  
326 326  Choose Built-in server
327 327  
328 328  
329 -**4. Run the script.**
330 330  
331 -[[image:image-20220527162552-5.png]]
339 +(% style="color:blue" %)**4. Run the script.**
332 332  
341 +
342 +[[image:image-20220722115213-2.png]]
343 +
333 333  Run the script
334 334  
335 335  
336 -**5. Output:**
337 337  
338 -[[image:image-20220527162619-6.png]]
348 +(% style="color:blue" %)**5. Output:**
339 339  
350 +
351 +[[image:image-20220722115133-1.png]]
352 +
340 340  Output from LPS8
341 341  
342 342  
356 +
343 343  = 4. Example 2: Communicate to TCP Server =
344 344  
345 345  
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365 365  
366 366  
367 367  
368 -**run socket tool in PC**
382 +(% style="color:blue" %)**run socket tool in PC**
369 369  
384 +
370 370  [[image:image-20220527163028-9.png]]
371 371  
372 372  
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374 374  
375 375  
376 376  
377 -**Input Server address and port**
392 +(% style="color:blue" %)**Input Server address and port**
378 378  
394 +
379 379  [[image:image-20220527163106-10.png]]
380 380  
381 381  Input Server address and port
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382 382  
383 383  
384 384  
385 -**See value receive in socket tool:**
401 +(% style="color:blue" %)**See value receive in socket tool:**
386 386  
403 +
387 387  [[image:image-20220527163144-11.png]]
388 388  
389 389  value receive in socket tool
image-20220722115133-1.png
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