Last modified by Edwin Chen on 2025/01/29 20:30
<
From version < 70.1 >
edited by Mengting Qiu
on 2024/01/29 17:05
To version < 62.1 >
edited by Mengting Qiu
on 2024/01/29 15:43
>
Change comment: Uploaded new attachment "image-20240129154321-9.png", version {1}

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... ... @@ -230,22 +230,21 @@
230 230  [[image:image-20240129152412-8.png||height="486" width="1206"]]
231 231  )))
232 232  
233 +[[image:image-20240123163307-7.png||height="330" width="1125"]]
233 233  
234 234  (((
235 235  Set a downstream in TTN and see it is sent
236 236  )))
237 237  
238 -(% style="color:red" %)**Note: After the downlink command is successfully sent from the platform to the node, the downlink command is executed only after the platform receives the next uplink package from the node.**
239 239  
240 -
241 241  (((
242 -This downlink info will then pass to the gateway downlink list. and the DR which is used (SF7BW500) in US915 is DR5.
241 +This downstream info will then pass to the gateway downstream list. and the DR which is used (SF7BW500) in US915 is DR5.
243 243  )))
244 244  
245 245  [[image:image-20240129152049-7.png||height="463" width="1166"]]
246 246  
247 247  (((
248 -Gateway Traffic can see this downlink info
247 +Gateway Traffic can see this downstream info
249 249  )))
250 250  
251 251  
... ... @@ -255,10 +255,10 @@
255 255  )))
256 256  
257 257  (((
258 -When the downlink packet appear on the traffic of Gateway page. The LoRaWAN gateway can get it from LoRaWAN server and transmit it. In Dragino Gateway, this can be checked by running "logread -f" in the SSH console. and see below:
257 +When the downstream packet appear on the traffic of Gateway page. The LoRaWAN gateway can get it from LoRaWAN server and transmit it. In Dragion Gateway, this can be checked by runinng "logread -f" in the SSH console. and see below:
259 259  )))
260 260  
261 -[[image:image-20240129154321-9.png]]
260 +[[image:image-20220526164734-14.png]]
262 262  
263 263  (((
264 264  Gateway Sent out this packet
... ... @@ -335,7 +335,7 @@
335 335  
336 336  
337 337  (((
338 -In LoRaWAN, the gateway will use the frequency specify by the server to transmit a packet as downlink purpose. Each Frequency band has different downlink frequency. and the gateway has a frequency range limited to transmit downlink.
337 +In LoRaWAN, the gatewat will use the frequency specify by the server to transmit a packet as downlink purpose. Each Frequency band has different downlink frequency. and the gateway has a frequency range limited to transmit downlink.
339 339  )))
340 340  
341 341  (((
... ... @@ -360,47 +360,45 @@
360 360  = 7. Decrypt a LoRaWAN Packet =
361 361  
362 362  
363 -(% style="color:blue" %)**1. LHT65N End device configure:**
362 +(% style="color:blue" %)**1. LHT65 End device configure:**
364 364  
365 365  **Change to ABP Mode:  AT+NJM=0**
366 366  
367 -**Change to fix frequency:  ​​​​AT+CHE=1**
366 +**Change to fix frequency:  AT+CHS=904900000**
368 368  
368 +**Change to fix DR:  AT+DR=0**
369 369  
370 -**AT+CFG(Print configuration):**
371 371  
372 -[[image:image-20240129163714-2.png]][[image:image-20240129163741-3.png]]
371 +[[image:image-20220526165525-16.png]]
373 373  
374 374  
375 375  
376 -**Configuration: **
375 +(% style="color:blue" %)**2. In LG02 , configure to receive above message**
377 377  
378 -[[image:image-20240129164219-4.png||height="612" width="440"]]
377 +[[image:image-20220526165612-17.png]]
379 379  
380 380  
380 +In LG02 console, we can see the hex receive are:
381 381  
382 -(% style="color:blue" %)**2. In LPS8-v2, configure to receive above message**
382 +[[image:image-20220526171112-21.png]]
383 383  
384 -[[image:image-20240129164326-5.png||height="506" width="1114"]]
385 385  
386 386  
387 -In LPS8-v2 console, we can see the Base64 receive are:
386 +(% style="color:blue" %)**3. Decode the info in web**
388 388  
389 -[[image:image-20240129170137-6.png||height="459" width="1116"]]
388 +[[https:~~/~~/lorawan-packet-decoder-0ta6puiniaut.runkit.sh>>url:https://lorawan-packet-decoder-0ta6puiniaut.runkit.sh/]]
390 390  
391 -
392 -
393 -(% style="color:blue" %)**3. Decode the info **
394 -
395 395  Need these three fields:
396 396  
397 -LoRa packet Base64 format:  QP~/~/~/~/+AFQACZv8Hjmc8gFTAkhMzU+75 (from LPS8-v2)
392 +LoRa packet hex format: 40c1190126800100024926272bf18bbb6341584e27e23245 (from LG02)
398 398  
399 -AT+NWKSKEY=FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF (End node Network Session Key)
394 +AT+NWKSKEY=00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 11 (End node Network Session Key)
400 400  
401 -AT+APPSKEY=FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF (End Node App Session Key)
396 +AT+APPSKEY=00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 11 (End Node App Session Key)
402 402  
403 403  
399 +[[https:~~/~~/lorawan-packet-decoder-0ta6puiniaut.runkit.sh/?data=40c1190126800100024926272bf18bbb6341584e27e23245&nwkskey=00000000000000000000000000000111&appskey=00000000000000000000000000000111>>url:https://lorawan-packet-decoder-0ta6puiniaut.runkit.sh/?data=40c1190126800100024926272bf18bbb6341584e27e23245&nwkskey=00000000000000000000000000000111&appskey=00000000000000000000000000000111]]
400 +
404 404  [[image:image-20220526171029-20.png]]
405 405  
406 406  (((
... ... @@ -452,7 +452,7 @@
452 452  4）We have had cases where it was automatically fixed the next day despite no manual changes, probably a server side issue
453 453  
454 454  
455 -= 10. Why I got the payload only with "0x00" or "AA~=~="? =
452 += 10. Why i got the payload only with "0x00" or "AA~=~="? =
456 456  
457 457  
458 458  (% style="color:blue" %)**Why sensor sends 0x00?**
... ... @@ -547,7 +547,7 @@
547 547  (Any combination of 16 bit codes can be used）
548 548  
549 549  
550 -= 12. I set my device is LoRaWAN Class C mode, why I still see Class A after boot? =
547 += 12. I set my device is LoRaWAN Class C mode, why i still see Class A after boot? =
551 551  )))
552 552  
553 553  
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578 578  
579 579  
580 580  [[image:image-20221215223215-1.png||height="584" width="1280"]]
578 +
579 +(% class="wikigeneratedid" %)
580 +
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