run 20
This commit is contained in:
Aiden
@@ -4935,3 +4935,69 @@ Next branch worth testing:
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- try host-shaped and exact echoes of `07 80 FA 50 26 51`
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- probe whether `FA` / `7A` correspond to nearby explicit host queries such as
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`00 -> FA` or `00 -> 7A`
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### HE8: Exact Echo Of `07 80 FA 50 26 51`
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Recreate the `E8` host-mirror path that previously produced
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`07 80 FA 50 26 51`, then immediately send the exact `FA` frame back.
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```powershell
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python scripts/serial_sequence_probe.py --port COM5 --prompt --frame "00 00 A0 00 80 7A" --frame "00 00 E8 40 30 C2" --frame "07 80 FA 50 26 51" --frame "00 00 00 00 80 DA" --frame "00 00 00 00 80 DA" --repeat 2 --frame-interval 0.20 --read-after-frame 0.30 --read-after-group 0.8 --log captures/rcp-heartbeat-echo-exact-fa502651.txt
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```
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### HE9: Host-Shaped Mirror Of `07 80 FA 50 26 51`
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Host-shaped checksum for `00 00 FA 50 26 ??` is `D6`.
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```powershell
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python scripts/serial_sequence_probe.py --port COM5 --prompt --frame "00 00 A0 00 80 7A" --frame "00 00 E8 40 30 C2" --frame "00 00 FA 50 26 D6" --frame "00 00 00 00 80 DA" --frame "00 00 00 00 80 DA" --repeat 2 --frame-interval 0.20 --read-after-frame 0.30 --read-after-group 0.8 --log captures/rcp-heartbeat-echo-host-fa5026.txt
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```
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What would count as a hit:
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- any fresh structured response after the `FA` echo or mirror
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- a repeat of `07 80 FA 50 26 51` or `07 C0 7A 50 A6 11`
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- any new family in the `50` / `7A` / `FA` region
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- visible panel behavior changing beyond the usual `CONNECT NOT ACT`
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### 2026-05-13 `FA` Echo Follow-Up Result
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Captures:
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- `captures/rcp-heartbeat-echo-exact-fa502651.txt`
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- `captures/rcp-heartbeat-echo-host-fa5026.txt`
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Result summary:
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- Both runs behaved the same way.
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- In group 1, the host-shaped `E8` step
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`00 00 E8 40 30 C2` produced a new structured family:
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`07 80 7A 50 26 D1`
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- That `7A` family appeared twice immediately after the `E8` host-mirror step in
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both runs.
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- The following `FA` step, whether exact echo `07 80 FA 50 26 51` or
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host-shaped mirror `00 00 FA 50 26 D6`, did not produce a fresh distinct
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reply. The receive window only showed one more `07 80 7A 50 26 D1` followed by
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heartbeat.
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- In group 2, both runs were heartbeat-only after the same sequence.
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Interpretation:
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- The meaningful branch point still appears to be the host-shaped `E8` frame,
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not the subsequent `FA` echo/mirror.
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- `07 80 FA 50 26 51` is not yet behaving like a value the host should directly
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answer to advance the exchange.
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- `07 80 7A 50 26 D1` is now a stronger candidate for a real sibling response
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family in this branch than `07 C0 7A 50 A6 11`, because it reproduced in both
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HE8 and HE9 group-1 runs.
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- The fact that HE8 and HE9 were serially identical suggests the panel likely
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emitted a delayed/queued `7A`-family response from the `E8` host-mirror step,
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rather than parsing the `FA` follow-up as a meaningful new command.
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Best current model of this branch:
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- `00 00 E8 40 30 C2` can lead into a `7A` / `FA` response family.
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- `07 80 FA 50 26 51` may be one branch member, but answering it directly did
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not produce a second-stage exchange.
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- The next useful probe should probably target `07 80 7A 50 26 D1` directly, or
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compare exact-vs-host handling of `7A` rather than `FA`.
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@@ -237,8 +237,9 @@ confirmed Sony definition.
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| `07 80 40 60 30 CD` | some heartbeat-only cadence runs | low-medium | transient heartbeat/context response family |
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| `07 80 C0 40 30 6D` | some heartbeat-only cadence runs | medium | transient heartbeat/context response family |
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| `07 80 E8 40 30 45` | context-sensitive `A0` path in some runs | medium | variant readable/query family, likely selector- or timing-sensitive |
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| `07 80 FA 50 26 51` | host-shaped mirror of `07 80 E8 40 30 45` | low-medium | new structured response family worth focused follow-up |
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| `07 C0 7A 50 A6 11` | exact echo of `07 80 E8 40 30 45` | low | new structured response family worth focused follow-up |
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| `07 80 FA 50 26 51` | host-shaped mirror of `07 80 E8 40 30 45`, seen once | low-medium | new structured response family on the `E8` branch; follow-up echo did not advance state |
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| `07 C0 7A 50 A6 11` | exact echo of `07 80 E8 40 30 45`, seen once | low | new structured response family on the `E8` branch; not yet repeated |
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| `07 80 7A 50 26 D1` | host-shaped `E8` branch in HE8/HE9 group 1 | medium | reproducible sibling response family in the `E8` / `FA` / `7A` branch |
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Current caution:
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@@ -252,6 +253,10 @@ Current caution:
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families did not advance the session.
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- The first echo experiments that produced genuinely new structured output were
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on the `E8` branch, not the `40` / `C0` branch.
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- Directly echoing or host-mirroring `07 80 FA 50 26 51` did not produce a
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clean second-stage response; both follow-up tests instead repeated the
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`07 80 7A 50 26 D1` branch after the host-shaped `E8` step and then went
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back to heartbeat.
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## What We Know
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@@ -274,7 +279,7 @@ Current caution:
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still does not create a fully active session.
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- The heartbeat-induced `0x40` / `0xC0` families are real, but they usually act
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more like transient state/context responses than like camera-data streaming.
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- The most promising new echo-derived lead is now the `E8` / `FA` / `7A`
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- The most promising new echo-derived lead is now the `E8` / `7A` / `FA`
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response branch.
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## What We Do Not Know
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