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Timing tests

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Aiden
2026-05-13 13:12:43 +10:00
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docs/discovery-notes.md
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@@ -1117,3 +1117,36 @@ Suggested nearby-pair tests, with power cycle between each:
python scripts/serial_direct_response_sweep.py --port COM5 --commands "0xB1-0xB2" --states 0x00 --values 0x80 --settle 3 --after-each 0.6 --stop-on-anomaly --log captures/rcp-powercycle-pair-b1-b2.txt
python scripts/serial_direct_response_sweep.py --port COM5 --commands "0xB2-0xB3" --states 0x00 --values 0x80 --settle 3 --after-each 0.6 --stop-on-anomaly --log captures/rcp-powercycle-pair-b2-b3.txt
```
### 2026-05-13 B0-B1 Timing Result
Captures:
- `captures/rcp-powercycle-timing-b0-b1-100ms.txt`
- `captures/rcp-powercycle-timing-b0-b1-1200ms.txt`
Each test was run after a panel power cycle.
| B0-to-B1 spacing | RCP response |
| ---: | --- |
| about 100 ms | `07 80 6C 20 D8 49` |
| about 1200 ms | `07 80 6C 20 D8 49` repeated |
Interpretation:
- The `B0 -> B1` trigger is not tightly timing-sensitive across the tested
range.
- `B0` appears to prime a state that remains valid for at least about 1.2
seconds.
- The sequence order is more important than exact short timing.
Recommended next tests:
Power-cycle between each test. Check whether the trigger is specific to the
`B0 -> B1` pair or whether nearby ordered pairs also trigger related responses:
```powershell
python scripts/serial_direct_response_sweep.py --port COM5 --commands "0xB1-0xB2" --states 0x00 --values 0x80 --settle 3 --after-each 0.6 --stop-on-anomaly --log captures/rcp-powercycle-pair-b1-b2.txt
python scripts/serial_direct_response_sweep.py --port COM5 --commands "0xB2-0xB3" --states 0x00 --values 0x80 --settle 3 --after-each 0.6 --stop-on-anomaly --log captures/rcp-powercycle-pair-b2-b3.txt
python scripts/serial_direct_response_sweep.py --port COM5 --commands "0xAF-0xB0" --states 0x00 --values 0x80 --settle 3 --after-each 0.6 --stop-on-anomaly --log captures/rcp-powercycle-pair-af-b0.txt
```