Public Access
twislaandClaude Opus 5.5
2fce79aebd
The Sniffer lists packets newest first (time, RSSI, SNR, and for Meshtastic the sender, receiver and hops), with the clear header and a hex dump on Enter (Q96); `p` picks an EU868 preset, kept in Settings (Q95). `c` starts a Capture: pcap with LoRaTap in /captures/lora, its own Clean-up category, recorded by a small Service so it carries on with the App closed (Q97, Q100). The Status Bar shows L while listening, bright on each packet, and CAP while capturing (Q101). StorageService gains raw appends for binary files. Debug Builds get `lora inject` to test all of this with no transmitter in range: a Capture made on the device reads back in TShark field for field. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01EhqxQ49eCju4CzKYNjZzwT
34 lines
1.1 KiB
C++
34 lines
1.1 KiB
C++
#pragma once
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#include <cstddef>
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#include <cstdint>
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#include <string>
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#include <vector>
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namespace roro::lora {
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// What the radio knew about one received packet.
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struct RxInfo {
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uint32_t frequencyHz = 0;
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float bandwidthKHz = 0;
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uint8_t spreadingFactor = 0;
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float rssi = 0; // dBm
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float snr = 0; // dB
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float noiseFloor = 0; // dBm, instantaneous RSSI just before the packet, when known
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uint8_t syncWord = 0;
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};
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// A Capture file (M3, Q97): pcap with LoRaTap v0 headers (LINKTYPE_LORATAP, 270), which Wireshark
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// reads. pcap fields are little-endian, LoRaTap fields big-endian.
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void appendPcapHeader(std::vector<uint8_t>& out);
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void appendRecord(std::vector<uint8_t>& out, uint32_t seconds, uint32_t micros, const RxInfo& rx, const uint8_t* data,
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size_t len);
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// "/captures/lora/YYYYMMDD-HHMMSS.pcap" in UTC, dated like Tracks so Storage Clean-up can age it.
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std::string capturePath(int64_t utcSeconds);
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constexpr size_t kLoraTapSize = 15;
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constexpr size_t kRecordOverhead = 16 + kLoraTapSize;
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} // namespace roro::lora
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