Changes for page LoRaWAN Communication Debug
Last modified by Edwin Chen on 2025/01/29 20:30
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... ... @@ -314,7 +314,6 @@ 314 314 315 315 316 316 317 - 318 318 = 6. Downlink Issue ~-~- Packet REJECTED, unsupported frequency = 319 319 320 320 ... ... @@ -350,7 +350,6 @@ 350 350 **Change to fix frequency: AT+CHS=904900000** 351 351 **Change to fix DR: AT+DR=0** 352 352 353 - 354 354 [[image:image-20220526165525-16.png]] 355 355 356 356 ... ... @@ -376,7 +376,6 @@ 376 376 377 377 AT+APPSKEY=00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 11 (End Node App Session Key) 378 378 379 - 380 380 [[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]] 381 381 382 382 [[image:image-20220526171029-20.png]] ... ... @@ -388,15 +388,13 @@ 388 388 389 389 = 8. Why i see uplink 0x00 periodcally on the LHT65 v1.8 firmware = 390 390 391 - 392 392 Since firmware v1.8, LHT65 will send MAC command to request time, in the case if DR only support max 11 bytes, this MAC command will be bundled to a separate uplink payload with 0x00. 393 393 394 394 395 395 = 9. Why do I see a "MIC Mismatch" error message from the server? = 396 396 397 - 398 398 ((( 399 -1) 394 +1)If the user receives a "MIC Mismatch" message after registering the node on the server. 400 400 ))) 401 401 402 402 ((( ... ... @@ -418,14 +418,11 @@ 418 418 * ((( 419 419 If a node is registered with multiple servers, it may also cause the "mic mismatch" error. 420 420 421 - 422 - 423 423 424 424 ))) 425 425 426 426 = 10. Why i got the payload only with "0x00" or "AA~=~="? = 427 427 428 - 429 429 * If you are using US915, AU915 and AS923 frequencies.This is normal phenomenon. 430 430 431 431 ((( ... ... @@ -442,14 +442,11 @@ 442 442 * ((( 443 443 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]] 444 444 445 - 446 - 447 447 448 448 ))) 449 449 450 450 = 11. Why my Dev EUI and APP EUI is 0x000000000000, how to solve? = 451 451 452 - 453 453 ((( 454 454 It is possible the keys is erased during upgrading of firmware. and the console output shows below after AT+CFG 455 455 ))) ... ... @@ -480,8 +480,6 @@ 480 480 481 481 ((( 482 482 You can rewrites the keys by running commands in AT Console 483 - 484 - 485 485 ))) 486 486 487 487 (((