Changes for page LoRaWAN Communication Debug
Last modified by Edwin Chen on 2025/01/29 20:30
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... ... @@ -302,9 +302,8 @@ 302 302 1:0012345678}}} 303 303 304 304 305 -== 5.3 If problem doesn 't solve ==305 +== 5.3 If problem doesn’t solve == 306 306 307 - 308 308 (% style="color:red" %)**If user has checked below steps and still can't solve the problem, please send us (support @ dragino.com) the sceenshots for each step to check. They include:** 309 309 310 310 * End node console to show the transmit freuqency and DR. ... ... @@ -312,12 +312,8 @@ 312 312 * Gateway traffic (from server UI) to shows the data exchange between gateway and server. 313 313 * End Node traffic (from server UI) to shows end node activity in server. 314 314 315 - 316 - 317 - 318 318 = 6. Downlink Issue ~-~- Packet REJECTED, unsupported frequency = 319 319 320 - 321 321 ((( 322 322 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. 323 323 ))) ... ... @@ -343,17 +343,19 @@ 343 343 344 344 = 7. Decrypt a LoRaWAN Packet = 345 345 341 +~1. LHT65 End device configure: 346 346 347 -(% style="color:blue" %)**1. LHT65 End device configure:** 343 +(% class="box infomessage" %) 344 +((( 345 +**Change to ABP Mode: AT+NJM=0** 346 +**Change to fix frequency: AT+CHS=904900000** 347 +**Change to fix DR: AT+DR=0** 348 +))) 348 348 349 -**Change to ABP Mode: AT+NJM=0** 350 -**Change to fix frequency: AT+CHS=904900000** 351 -**Change to fix DR: AT+DR=0** 352 - 353 353 [[image:image-20220526165525-16.png]] 354 354 355 355 356 - (% style="color:blue" %)**2. In LG02 , configure to receive above message**353 +2. In LG02 , configure to receive above message 357 357 358 358 [[image:image-20220526165612-17.png]] 359 359 ... ... @@ -363,7 +363,7 @@ 363 363 [[image:image-20220526171112-21.png]] 364 364 365 365 366 - (% style="color:blue" %)**3. Decode the info in web**363 +3. Decode the info in web 367 367 368 368 [[https:~~/~~/lorawan-packet-decoder-0ta6puiniaut.runkit.sh>>url:https://lorawan-packet-decoder-0ta6puiniaut.runkit.sh/]] 369 369 ... ... @@ -375,7 +375,6 @@ 375 375 376 376 AT+APPSKEY=00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 11 (End Node App Session Key) 377 377 378 - 379 379 [[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]] 380 380 381 381 [[image:image-20220526171029-20.png]] ... ... @@ -387,15 +387,13 @@ 387 387 388 388 = 8. Why i see uplink 0x00 periodcally on the LHT65 v1.8 firmware = 389 389 390 - 391 391 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. 392 392 393 393 394 394 = 9. Why do I see a "MIC Mismatch" error message from the server? = 395 395 396 - 397 397 ((( 398 -1) 392 +1)If the user receives a "MIC Mismatch" message after registering the node on the server. 399 399 ))) 400 400 401 401 ((( ... ... @@ -417,14 +417,11 @@ 417 417 * ((( 418 418 If a node is registered with multiple servers, it may also cause the "mic mismatch" error. 419 419 420 - 421 - 422 422 423 423 ))) 424 424 425 425 = 10. Why i got the payload only with "0x00" or "AA~=~="? = 426 426 427 - 428 428 * If you are using US915, AU915 and AS923 frequencies.This is normal phenomenon. 429 429 430 430 ((( ... ... @@ -441,14 +441,11 @@ 441 441 * ((( 442 442 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]] 443 443 444 - 445 - 446 446 447 447 ))) 448 448 449 449 = 11. Why my Dev EUI and APP EUI is 0x000000000000, how to solve? = 450 450 451 - 452 452 ((( 453 453 It is possible the keys is erased during upgrading of firmware. and the console output shows below after AT+CFG 454 454 ))) ... ... @@ -479,8 +479,6 @@ 479 479 480 480 ((( 481 481 You can rewrites the keys by running commands in AT Console 482 - 483 - 484 484 ))) 485 485 486 486 (((