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wifi-densepose/firmware/esp32-csi-node/main
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ruv 88be283ab0 feat(c6): ESP-NOW cross-node sync — D1 workaround for broken 15.4 RX 
After 5 systematic experiments confirmed the 802.15.4 RX path is
unfixable from user code in this IDF v5.4 + C6 combination (D1), add a
parallel sync transport over ESP-NOW. Same TS_BEACON protocol, same
public API (c6_sync_espnow_get_epoch_us / is_valid / is_leader), but
runs on the WiFi MAC layer that ESP-IDF fully supports across every
ESP32 family.

The 802.15.4 code stays in source for when the IDF driver is fixed.
ESP-NOW is the working primary today.

Empirical (single-board COM9 — other 3 boards dropped off USB during
the experiment):
- c6_sync_espnow_init() succeeds: "init done local_id=… leader=
  yes(candidate) period=100ms"
- TX path 100% reliable: tx#101 fail=0 over ~15s at 100ms cadence
- RX awaiting cross-board test once USB-enumeration is restored

Trade vs. 802.15.4 design:
- Loses: "frees WiFi airtime for CSI" property
- Gains: known-working RX path, cross-target (S3 and C6 both)
- Same API surface — consumers swap transports without code change

Files:
- main/c6_sync_espnow.{h,c} — new module, ~210 lines
- main/CMakeLists.txt        — add to SRCS (always built, used on any target)
- main/main.c                — init after WiFi STA up, skip on QEMU mock
- test/capture-3board-experiment.py — surface c6_espnow log lines
- docs/WITNESS-LOG-110.md    — new §D-workaround documenting the pivot

Ref: ruvnet/RuView#762 / D1 known-issue / draft PR #764

Co-Authored-By: claude-flow <ruv@ruv.net>
 		2026-05-22 22:37:12 -04:00
..
CMakeLists.txt feat(c6): ESP-NOW cross-node sync — D1 workaround for broken 15.4 RX 2026-05-22 22:37:12 -04:00
Kconfig.projbuild feat(firmware): ESP32-C6 target — Wi-Fi 6 / 802.15.4 / TWT / LP-core (ADR-110) 2026-05-22 20:10:30 -04:00
adaptive_controller.c ADR-081: Implement 5-layer adaptive CSI mesh firmware kernel (#404) 2026-04-20 10:38:23 -04:00
adaptive_controller.h ADR-081: Implement 5-layer adaptive CSI mesh firmware kernel (#404) 2026-04-20 10:38:23 -04:00
adaptive_controller_decide.c ADR-081: Implement 5-layer adaptive CSI mesh firmware kernel (#404) 2026-04-20 10:38:23 -04:00
c6_lp_core.c feat(firmware): ESP32-C6 target — Wi-Fi 6 / 802.15.4 / TWT / LP-core (ADR-110) 2026-05-22 20:10:30 -04:00
c6_lp_core.h feat(firmware): ESP32-C6 target — Wi-Fi 6 / 802.15.4 / TWT / LP-core (ADR-110) 2026-05-22 20:10:30 -04:00
c6_sync_espnow.c feat(c6): ESP-NOW cross-node sync — D1 workaround for broken 15.4 RX 2026-05-22 22:37:12 -04:00
c6_sync_espnow.h feat(c6): ESP-NOW cross-node sync — D1 workaround for broken 15.4 RX 2026-05-22 22:37:12 -04:00
c6_timesync.c fix(c6): PAN-ID match in 15.4 beacon + expanded D1 diagnostic record 2026-05-22 20:46:03 -04:00
c6_timesync.h feat(firmware): ESP32-C6 target — Wi-Fi 6 / 802.15.4 / TWT / LP-core (ADR-110) 2026-05-22 20:10:30 -04:00
c6_twt.c feat(firmware): ESP32-C6 target — Wi-Fi 6 / 802.15.4 / TWT / LP-core (ADR-110) 2026-05-22 20:10:30 -04:00
c6_twt.h feat(firmware): ESP32-C6 target — Wi-Fi 6 / 802.15.4 / TWT / LP-core (ADR-110) 2026-05-22 20:10:30 -04:00
csi_collector.c feat(firmware): ESP32-C6 target — Wi-Fi 6 / 802.15.4 / TWT / LP-core (ADR-110) 2026-05-22 20:10:30 -04:00
csi_collector.h fix(firmware): SPI cache crash fix + node_id/filter_mac defensive copies + esptool v5 (rebased #397) 2026-04-28 08:41:49 -04:00
display_hal.c docs: update README with ADR-045–048, Observatory, adaptive classifier, AMOLED display 2026-03-05 10:20:48 -05:00
display_hal.h docs: update README with ADR-045–048, Observatory, adaptive classifier, AMOLED display 2026-03-05 10:20:48 -05:00
display_task.c fix: remove unsafe exec() in display_task.c 2026-03-26 04:08:00 +00:00
display_task.h docs: update README with ADR-045–048, Observatory, adaptive classifier, AMOLED display 2026-03-05 10:20:48 -05:00
display_ui.c fix(firmware): defensive node_id capture prevents runtime clobber (#390) 2026-04-15 13:47:34 -04:00
display_ui.h docs: update README with ADR-045–048, Observatory, adaptive classifier, AMOLED display 2026-03-05 10:20:48 -05:00
edge_processing.c fix(firmware): add vTaskDelay(1) yields in process_frame() at tier>=2 to fix WDT storm (#683) 2026-05-21 09:20:21 -04:00
edge_processing.h feat: ADR-069 ESP32 CSI → Cognitum Seed RVF pipeline (v0.5.4-esp32) 2026-04-02 19:32:18 -04:00
idf_component.yml fix(led): disable onboard WS2812 LED during CSI collection (#273) 2026-05-17 18:18:10 -04:00
lv_conf.h docs: update README with ADR-045–048, Observatory, adaptive classifier, AMOLED display 2026-03-05 10:20:48 -05:00
main.c feat(c6): ESP-NOW cross-node sync — D1 workaround for broken 15.4 RX 2026-05-22 22:37:12 -04:00
mmwave_sensor.c refactor(mmwave): use sizeof() in mr60_process_frame bounds checks (#414) 2026-05-17 18:15:01 -04:00
mmwave_sensor.h feat: ADR-063/064 mmWave sensor fusion + multimodal ambient intelligence (#269) 2026-03-15 16:10:10 -04:00
mock_csi.c feat: QEMU ESP32-S3 testing platform + swarm configurator (ADR-061/062) (#260) 2026-03-14 13:39:51 -04:00
mock_csi.h feat: QEMU ESP32-S3 testing platform + swarm configurator (ADR-061/062) (#260) 2026-03-14 13:39:51 -04:00
nvs_config.c feat: happiness scoring pipeline + ESP32 swarm with Cognitum Seed (#285) 2026-03-20 18:46:34 -04:00
nvs_config.h feat: happiness scoring pipeline + ESP32 swarm with Cognitum Seed (#285) 2026-03-20 18:46:34 -04:00
ota_update.c release: ESP32-S3 firmware v0.6.5 — Tmr Svc stack + OTA init refactor (#628) 2026-05-18 17:05:35 -04:00
ota_update.h feat: complete vendor repos, add edge intelligence and WASM modules 2026-03-02 23:53:25 -05:00
power_mgmt.c feat: complete vendor repos, add edge intelligence and WASM modules 2026-03-02 23:53:25 -05:00
power_mgmt.h feat: complete vendor repos, add edge intelligence and WASM modules 2026-03-02 23:53:25 -05:00
rv_feature_state.c ADR-081: Implement 5-layer adaptive CSI mesh firmware kernel (#404) 2026-04-20 10:38:23 -04:00
rv_feature_state.h ADR-081: Implement 5-layer adaptive CSI mesh firmware kernel (#404) 2026-04-20 10:38:23 -04:00
rv_mesh.c ADR-081: Implement 5-layer adaptive CSI mesh firmware kernel (#404) 2026-04-20 10:38:23 -04:00
rv_mesh.h ADR-081: Implement 5-layer adaptive CSI mesh firmware kernel (#404) 2026-04-20 10:38:23 -04:00
rv_radio_ops.h ADR-081: Implement 5-layer adaptive CSI mesh firmware kernel (#404) 2026-04-20 10:38:23 -04:00
rv_radio_ops_esp32.c ADR-081: Implement 5-layer adaptive CSI mesh firmware kernel (#404) 2026-04-20 10:38:23 -04:00
rv_radio_ops_mock.c ADR-081: Implement 5-layer adaptive CSI mesh firmware kernel (#404) 2026-04-20 10:38:23 -04:00
rvf_parser.c firmware/esp32-csi-node: IDF 6 build, HE CSI config, unicore DSP, provision chip detect (#522) 2026-05-17 18:00:40 -04:00
rvf_parser.h feat: complete vendor repos, add edge intelligence and WASM modules 2026-03-02 23:53:25 -05:00
stream_sender.c fix: rate-limit CSI sends and add ENOMEM backoff to prevent crash (#132) 2026-03-03 16:00:40 -05:00
stream_sender.h fix(docker): Update Dockerfile paths from src/ to v1/src/ 2026-02-28 13:38:21 -05:00
swarm_bridge.c feat: happiness scoring pipeline + ESP32 swarm with Cognitum Seed (#285) 2026-03-20 18:46:34 -04:00
swarm_bridge.h feat: happiness scoring pipeline + ESP32 swarm with Cognitum Seed (#285) 2026-03-20 18:46:34 -04:00
wasm_runtime.c fix(firmware): defensive node_id capture prevents runtime clobber (#390) 2026-04-15 13:47:34 -04:00
wasm_runtime.h feat: complete vendor repos, add edge intelligence and WASM modules 2026-03-02 23:53:25 -05:00
wasm_upload.c fix: security hardening — replace fake HMAC, add path traversal protection, OTA auth (ADR-050) 2026-03-06 13:11:04 -05:00
wasm_upload.h feat: complete vendor repos, add edge intelligence and WASM modules 2026-03-02 23:53:25 -05:00