Last modified by Edwin Chen on 2025/01/29 20:30
<
From version < 8.1 >
edited by Bei Jinggeng
on 2022/05/26 11:29
To version < 4.8 >
edited by Xiaoling
on 2022/05/11 15:12
>
Change comment: There is no comment for this version

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Author
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1 -XWiki.Bei
1 +XWiki.Xiaoling
Content
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1 1  **~ Contents:**
2 2  
3 -(((
4 -
5 -)))
6 -
7 7  {{toc/}}
8 8  
9 9  
... ... @@ -252,18 +252,24 @@
252 252  we can use AT Command (AT+CFG) to check the RX1 configure and RX2 configure. as below:
253 253  )))
254 254  
251 +(% class="box infomessage" %)
255 255  (((
256 -
253 +AT+RX2FQ=869525000 ~-~--> The RX2 Window frequency
257 257  )))
258 258  
256 +(% class="box infomessage" %)
259 259  (((
258 +AT+RX2DR=3 ~-~--> The RX2 DataRate
259 +)))
260 +
260 260  (% class="box infomessage" %)
261 261  (((
262 -AT+RX2FQ=869525000     ~-~--> The RX2 Window frequency
263 -AT+RX2DR=3      ~-~--> The RX2 DataRate
264 -AT+RX1DL=1000   ~-~--> Receive Delay 1
265 -AT+RX2DL=2000   ~-~--> Receive Delay 2
263 + AT+RX1DL=1000 ~-~--> Receive Delay 1
266 266  )))
265 +
266 +(% class="box infomessage" %)
267 +(((
268 + AT+RX2DL=2000 ~-~--> Receive Delay 2
267 267  )))
268 268  
269 269  (((
... ... @@ -270,13 +270,17 @@
270 270  **when the device running, we can see below info:**
271 271  )))
272 272  
275 +(((
276 +
277 +)))
278 +
273 273  {{{ [12502]***** UpLinkCounter= 0 *****
274 274   [12503]TX on freq 868500000 Hz at DR 0
275 275   [13992]txDone
276 - [15022]RX on freq 868500000 Hz at DR 0 --> RX1 window open at frequency: 868500000, DR0, after 15022-13992= 1030ms of txdone
277 - [15222]rxTimeOut --> no packet arrive in RX1 window. (duration: 200ms)
278 - [15987]RX on freq 869525000 Hz at DR 3 --> RX2 window open at frequency: 869525000, DR3, after 15987-13992= 1995ms of txdone
279 - [16027]rxTimeOut --> no packet arrive in RX2 window. (duration: 40 ms)}}}
282 + [15022]RX on freq 868500000 Hz at DR 0 --> RX1 window open at frequency: 868500000, DR0, after 15022-13992= 1030ms of txdone
283 + [15222]rxTimeOut --> no packet arrive in RX1 window. (duration: 200ms)
284 + [15987]RX on freq 869525000 Hz at DR 3 --> RX2 window open at frequency: 869525000, DR3, after 15987-13992= 1995ms of txdone
285 + [16027]rxTimeOut --> no packet arrive in RX2 window. (duration: 40 ms)}}}
280 280  
281 281  (((
282 282  
... ... @@ -292,7 +292,7 @@
292 292   [15022]RX on freq 868100000 Hz at DR 0
293 293   [15222]rxTimeOut
294 294   [15987]RX on freq 869525000 Hz at DR 3
295 - [16185]rxDone --> We have got the downstream packet.
301 + [16185]rxDone --> We have got the downstream packet.
296 296   Rssi= -64
297 297   Receive data
298 298   1:0012345678}}}
... ... @@ -372,13 +372,13 @@
372 372  
373 373  AT+APPSKEY=00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 11 (End Node App Session Key)
374 374  
381 +(((
375 375  [[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]]
383 +)))
376 376  
377 377  [[image:https://wiki.dragino.com/images/7/77/Decrypt_a_LoRaWAN_Packet4.png||alt="Decrypt a LoRaWAN Packet4.png" height="390" width="558"]]
378 378  
379 -(((
380 - The FRMPayload is the device payload.
381 -)))
387 +The FRMPayload is the device payload.
382 382  
383 383  
384 384  = 8. Why i see uplink 0x00 periodcally on the LHT65 v1.8 firmware =
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409 409  
410 410  * (((
411 411  If a node is registered with multiple servers, it may also cause the "mic mismatch" error.
412 -
413 -
414 414  )))
415 415  
416 416  = 10. Why i got the payload only with "0x00" or "AA~=~="? =
417 417  
418 -* If you are using US915, AU915 and AS923 frequencies.This is normal phenomenon.
422 +* (((
423 +If you are using US915, AU915 and AS923 frequencies.This is normal phenomenon.
424 +)))
419 419  
420 420  (((
421 421  When using the frequency mentioned above, the server sometimes adjusts the rate of the node, because the node defaults to the adaptive rate.
... ... @@ -422,48 +422,23 @@
422 422  )))
423 423  
424 424  (((
425 -When the server adjusts your node rate to 0, the maximum payload length is 11 bytes. The server sometimes sends an ADR packet to the node,and the node will reply to the server after receiving the ADR packet, but the number of payload bytes exceeds the limit,so it will send a normal uplink packet, and an additional 00 data packet.
431 +When the server adjusts your node rate to 0, the maximum payload length is 11 bytes. The server sometimes sends an ADR packet to the node,
426 426  )))
427 427  
434 +(((
435 +and the node will reply to the server after receiving the ADR packet, but the number of payload bytes exceeds the limit,
436 +)))
437 +
438 +(((
439 +so it will send a normal uplink packet, and an additional 00 data packet.
440 +)))
441 +
428 428  * (((
429 429  Solution: Use the decoder to filter out this 00 packet.
430 430  )))
431 431  * (((
432 -Some node decoders may not have filtering function, or you need decoders of other servers and formats. Please send an email to [[david.huang@dragino.cc>>mailto:david.huang@dragino.cc]]
433 -
434 -
435 -
446 +Some node decoders may not have filtering function, or you need decoders of other servers and formats. Please send an email to david.huang@dragino.cc
436 436  )))
437 437  
438 -= 11. Why my Dev EUI and APP EUI is 0x000000000000, how to solve? =
439 -
440 -It is possible the keys is erased during upgrading of firmware. and the console output shows below after AT+CFG
441 -
442 -AT+APPKEY=00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
443 -
444 -AT+NWKSKEY=00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
445 -
446 -AT+APPSKEY=00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
447 -
448 -AT+APPEUI=00 00 00 00 00 00 00 00
449 -
450 -
451 -You can get the keys from the box sticker or send mail to Dragino Support to check keys with the provided SN number.
452 -
453 -You can rewrites the keys by running commands in AT Console
454 -
455 -For example：
456 -
457 -AT+APPKEY=85 41 47 20 45 58 28 14 16 82 A0 F0 80 0D DD EE
458 -
459 -AT+NWKSKEY=AA CC B0 20 30 45 37 32 14 1E 14 93 E2 3B 20 11
460 -
461 -AT+APPSKEY=11 23 02 20 30 20 30 60 80 20 20 30 30 20 10 10
462 -
463 -AT+APPEUI=2C 45 47 E3 24 12 23 24
464 -
465 -(Any combination of 16 bit codes can be used）
466 -
467 -
468 -(% class="wikigeneratedid" %)
449 +(% class="wikigeneratedid" id="H" %)
469 469  

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