Changes for page LoRaWAN Communication Debug
Last modified by Edwin Chen on 2025/01/29 20:30
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... ... @@ -338,29 +338,32 @@ 338 338 339 339 (% class="box infomessage" %) 340 340 ((( 341 -Change to ABP Mode: AT+NJM=0 341 +**Change to ABP Mode: AT+NJM=0** 342 342 ))) 343 343 344 344 (% class="box infomessage" %) 345 345 ((( 346 -Change to fix frequency: AT+CHS=904900000 346 +**Change to fix frequency: AT+CHS=904900000** 347 347 ))) 348 348 349 349 (% class="box infomessage" %) 350 350 ((( 351 -Change to fix DR: AT+DR=0 351 +**Change to fix DR: AT+DR=0** 352 352 ))) 353 353 354 -[[image: https://wiki.dragino.com/images/e/e6/Decrypt_a_LoRaWAN_Packet1.jpg||alt="Decrypt a LoRaWAN Packet1.jpg" height="607" width="558"]]354 +[[image:image-20220526165525-16.png]] 355 355 356 + 356 356 2. In LG02 , configure to receive above message 357 357 358 -[[image: https://wiki.dragino.com/images/c/c3/Decrypt_a_LoRaWAN_Packet2.jpg||alt="Decrypt a LoRaWAN Packet2.jpg" height="337" width="558"]]359 +[[image:image-20220526165612-17.png]] 359 359 361 + 360 360 In LG02 console, we can see the hex receive are: 361 361 362 -[[image: https://wiki.dragino.com/images/f/f1/Decrypt_a_LoRaWAN_Packet3.jpg||alt="Decrypt a LoRaWAN Packet3.jpg" height="179" width="558"]]364 +[[image:image-20220526171112-21.png]] 363 363 366 + 364 364 3. Decode the info in web 365 365 366 366 [[https:~~/~~/lorawan-packet-decoder-0ta6puiniaut.runkit.sh>>url:https://lorawan-packet-decoder-0ta6puiniaut.runkit.sh/]] ... ... @@ -375,7 +375,7 @@ 375 375 376 376 [[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]] 377 377 378 -[[image: https://wiki.dragino.com/images/7/77/Decrypt_a_LoRaWAN_Packet4.png||alt="Decrypt a LoRaWAN Packet4.png" height="390" width="558"]]381 +[[image:image-20220526171029-20.png]] 379 379 380 380 ((( 381 381 The FRMPayload is the device payload. ... ... @@ -386,6 +386,7 @@ 386 386 387 387 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. 388 388 392 + 389 389 = 9. Why do I see a "MIC Mismatch" error message from the server? = 390 390 391 391 ((( ... ... @@ -438,31 +438,62 @@ 438 438 439 439 = 11. Why my Dev EUI and APP EUI is 0x000000000000, how to solve? = 440 440 445 +((( 441 441 It is possible the keys is erased during upgrading of firmware. and the console output shows below after AT+CFG 447 +))) 442 442 449 +((( 443 443 AT+APPKEY=00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 451 +))) 444 444 453 +((( 445 445 AT+NWKSKEY=00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 455 +))) 446 446 457 +((( 447 447 AT+APPSKEY=00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 459 +))) 448 448 461 +((( 449 449 AT+APPEUI=00 00 00 00 00 00 00 00 463 +))) 450 450 465 +((( 466 + 467 +))) 451 451 469 +((( 452 452 You can get the keys from the box sticker or send mail to Dragino Support to check keys with the provided SN number. 471 +))) 453 453 473 +((( 454 454 You can rewrites the keys by running commands in AT Console 475 +))) 455 455 456 -For example: 477 +((( 478 +**For example:** 479 +))) 457 457 481 +((( 458 458 AT+APPKEY=85 41 47 20 45 58 28 14 16 82 A0 F0 80 0D DD EE 483 +))) 459 459 485 +((( 460 460 AT+NWKSKEY=AA CC B0 20 30 45 37 32 14 1E 14 93 E2 3B 20 11 487 +))) 461 461 489 +((( 462 462 AT+APPSKEY=11 23 02 20 30 20 30 60 80 20 20 30 30 20 10 10 491 +))) 463 463 493 +((( 464 464 AT+APPEUI=2C 45 47 E3 24 12 23 24 495 +))) 465 465 497 +((( 466 466 (Any combination of 16 bit codes can be used) 499 +))) 467 467 468 468 502 +(% class="wikigeneratedid" %) 503 +
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