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feat(firmware): v0.6.7-esp32 — real LP-core program + C6 soft-AP HE/TWT helper

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ADR-110 P9 — software-only unblocks for the WITNESS-LOG-110 §B
hardware-blocked items. Two new modules, both default-off so v0.6.6 fleets
see no behavior change.

LP-core (B4 path):
- New firmware/esp32-csi-node/main/lp_core/main.c: real RISC-V LP-core
  motion-gate program with debounce + monotonic motion_count counter.
- c6_lp_core.c rewritten to load + run the LP binary via ulp_lp_core_run
  when CONFIG_C6_LP_CORE_ENABLE=y; falls back to the v0.6.6 ext1 GPIO-wake
  path otherwise (keeps regression surface small).
- ulp_embed_binary() wired in main/CMakeLists.txt, gated on the Kconfig.
- New Kconfig knobs: C6_LP_POLL_PERIOD_US (default 10 ms),
  C6_LP_DEBOUNCE_SAMPLES (default 3).
- Exposes c6_lp_core_motion_count() / c6_lp_core_poll_count() for the
  witness harness — once an INA/Joulescope is on the bench, B4 is one
  capture away from a measured number.

Soft-AP HE (B1/B2 unblock):
- New c6_softap_he.{h,c}: brings up the C6 in AP+STA mode with WPA2-PSK
  + HE advertisement, so a second C6 in STA mode can negotiate real
  iTWT against a known-cooperative AP without buying an 11ax router.
- main.c calls c6_softap_he_start() right before esp_wifi_start() when
  CONFIG_C6_SOFTAP_HE_ENABLE=y.
- New Kconfig knobs: C6_SOFTAP_HE_{SSID,PSK,CHANNEL} with NVS overrides
  via softap_ssid / softap_psk / softap_chan in the ruview namespace.

Build artifacts (IDF v5.4, both green, RC=0):
- S3 8 MB: 1093 KB (47% partition slack)
- C6 4 MB: 1019 KB (45% partition slack)
- SHA-256 sums in dist/firmware-v0.6.7/SHA256SUMS.txt

Doc updates: CHANGELOG wave-3 entry, ADR-110 phase table gets P5
upgrade note + new P9 row, WITNESS-LOG-110 gets new A0 section
recording the v0.6.7 build evidence.

Co-Authored-By: claude-flow <ruv@ruv.net>
This commit is contained in:
ruv
2026-05-23 11:10:34 -04:00
parent 561647b3af
commit 948768bdda
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docs/WITNESS-LOG-110.md
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@@ -16,6 +16,14 @@ This witness separates what was **empirically observed on real silicon today** f
---
## A0. v0.6.7 firmware build (this turn — 2026-05-23)
| # | Claim | Evidence |
|---|---|---|
| **A0.1** | `firmware/esp32-csi-node` v0.6.7 builds clean for both targets on IDF v5.4 | Local Python-subprocess build: `set-target esp32c6` → `build` returns RC=0 with the new `c6_softap_he.c` and LP-core integration in `main/CMakeLists.txt`. C6 image 0xfe7f0 (≈1019 KB), 45 % partition slack. `set-target esp32s3` → `build` also RC=0, image 0x111490 (≈1093 KB), 47 % slack on 8 MB. SHA-256 sums recorded in `dist/firmware-v0.6.7/SHA256SUMS.txt`. |
| **A0.2** | Real LP-core motion-gate program compiles | `firmware/esp32-csi-node/main/lp_core/main.c` (75 lines, RISC-V LP-core) authored; `ulp_embed_binary(ulp_main, lp_core/main.c, c6_lp_core.c)` wired in `main/CMakeLists.txt` guarded by `CONFIG_C6_LP_CORE_ENABLE`. Default still `n` so the v0.6.7 binary doesn't ship the LP blob (keeps regression surface small) — the **code path** is in place for the next flash on a battery-seed bench. |
| **A0.3** | Soft-AP HE/TWT helper compiles | `c6_softap_he.{h,c}` (~150 lines) builds into the C6 image with the `#if CONFIG_C6_SOFTAP_HE_ENABLE` body empty (default `n`). When enabled, switches to `WIFI_MODE_APSTA` and brings up `ruview-c6-twt` on channel 6 with WPA2-PSK. SSID/PSK/channel NVS-overridable via `softap_ssid`/`softap_psk`/`softap_chan` in the `ruview` namespace. |
## A. Empirically verified (real silicon, today)
| # | Claim | Evidence |