Changes for page LoRaWAN Communication Debug
Last modified by Edwin Chen on 2025/01/29 20:30
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... ... @@ -193,7 +193,13 @@ 193 193 LoRaWAN End node will open two receive windows to receive the downstream data. If the downstream packets arrive the end node at these receive windows, the end node will be able to get this packet and process it. 194 194 195 195 ((( 196 -Depends on Class A or Class C, the receive windows will be a little difference. 196 +Depends on Class A or Class C, the receive windows will be a little difference. The main difference between Class A and Class C: 197 + 198 +* **Class A** : Suitable for Battery powered end node. Class A will save a lot of power but it can only receive downlink after each uplink 199 +* **Class C**: End node can receive downlink immediately but have higher power consumption. 200 + 201 + 202 + 197 197 ))) 198 198 199 199 [[image:image-20220531161828-1.png]] ... ... @@ -369,7 +369,7 @@ 369 369 370 370 **AT+CFG(Print configuration):** 371 371 372 -[[image:image-20240129163 714-2.png]][[image:image-20240129163741-3.png]]378 +[[image:image-20240129170603-7.png||height="697" width="545"]][[image:image-20240129163741-3.png||height="694" width="565"]] 373 373 374 374 375 375 ... ... @@ -390,24 +390,43 @@ 390 390 391 391 392 392 393 -(% style="color:blue" %)**3. Decode the info ** 399 +(% style="color:blue" %)**3. Decode the info in CMD(Command prompt window)** 394 394 395 - Needthese threefields:401 +LoRa packet Base64 format: QP~/~/~/~/+AFQACZv8Hjmc8gFTAkhMzU+75 **(from LPS8-v2)** 396 396 397 - LoRa packetBase64format:QP~/~/~/~/+AFQACZv8Hjmc8gFTAkhMzU+75(from LPS8-v2)403 +Then the instructions and format parsed in SecureCRT are: ./node_modules/.bin/lora-packet-decode ~-~-base64 QP~/~/~/~/+AFQACZv8Hjmc8gFTAkhMzU+75 398 398 399 -AT+NWKSKEY=FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF (End node Network Session Key) 400 400 401 - AT+APPSKEY=FFFFFFFFFFFFFF FF FF FF FF FF FF FF FF FF (EndNode App SessionKey)406 +**Step1: Open CMD, Enter the gateway IP and port.(ssh root@gateway IP -p 22)** 402 402 408 +[[image:image-20240129190752-17.png||height="338" width="901"]] 403 403 404 -[[image:image-202 20526171029-20.png]]410 +[[image:image-20240129191937-21.png||height="450" width="901"]] 405 405 406 -((( 407 - The FRMPayload is the device payload. 408 -))) 409 409 413 +**Step2: Enter the command to download the LoRa parsing package.(npm install lora-packet)** 410 410 415 +[[image:image-20240129192239-22.png||height="416" width="902"]] 416 + 417 +[[image:image-20240129192549-23.png||height="459" width="898"]] 418 + 419 + 420 +**Step3: Parse the gateway raw payload.(./node_modules/.bin/lora-packet-decode ~-~-base64 QP~/~/~/~/+AFQACZv8Hjmc8gFTAkhMzU+75)** 421 + 422 + 423 + 424 + 425 +[[image:image-20240129192908-24.png||height="477" width="907"]] 426 + 427 + 428 +[[image:image-20240129192954-25.png||height="485" width="916"]] 429 + 430 + 431 + 432 + 433 + 434 + 435 + 411 411 = 8. Why I see uplink 0x00 periodically on the LHT65 v1.8 firmware = 412 412 413 413
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