26 lines
1.2 KiB
Markdown
26 lines
1.2 KiB
Markdown
# Hardware outage fixtures
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These captures came from the assembled XIAO ESP32-C3 prototype. A temporary
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validation build made the packet writer report failure while acquisition kept
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running; that failure injection was removed before the production firmware was
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built and flashed. The files contain only complete, CRC-valid `TRK1` frames.
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- `forced_outage_3s.trk` — SHA-256
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`01482816cdaa668e4681c33c8baa1df331d733b9bbcbc4f448ece25e88185ad6`.
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It contains 2,144 contiguous samples, sequences 0 through 2,143, with no
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reported drops, overruns, or timestamp saturation.
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- `forced_outage_7s.trk` — SHA-256
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`2ea8a5742944bdebc13bec2ccdbceba75f0bb71e48c856b0f86285878e190cd3`.
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It contains 1,840 delivered samples. The sole sequence gap is 511 to 650:
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138 samples were dropped after the 512-entry queue filled, the cumulative
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drop count reached 138, and the corresponding timestamp delta is exactly
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1,390,000 us.
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`tests/test_trikke_protocol.py` verifies the hashes, parses the captures in
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fragmented chunks, and asserts these signatures so the hardware evidence remains
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executable regression data. To inspect either file manually:
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```sh
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python3 tools/decode_binary.py tests/fixtures/forced_outage_3s.trk /tmp/outage.csv
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```
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