Capture and analyze LoRa packets

Application Development
21

Maybe a stupid question, but will this also mean you can use dumpcap and then use tshark to extract stuff from the packets?

22

I have written a spec to encapsulate LoRa packets (https://github.com/eriknl/LoRaTap), I have some PoC hardware with a sx1272 that captures the raw data to pcap which can then be analyzed in Wireshark. Lack of time kept me from releasingā€¦

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23

Yes, any part of Wireshark using the dissector can do so. But the dissector has to be set up to be ā€˜compatibleā€™ with ethernet link layer captures before can recognize LoRaWAN packets on ethernet.

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24

Just in case parsing some hexadecimal or Base64 string from some log is easier, the following Node.js/JavaScript library can decipher the non-encrypted parts:

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