jpmschweitzer/desklock
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jpmschweitzerandClaude Fable 5 fe82a7a22d Test DHCP-renewal wedge hypothesis: fully static IP on 2.12 pair
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The wedge metronome (~300s: 297/297/322/437s across bus widths,
clocks, and power modes) matches FRITZ DHCP T1 renewal at half of a
10-min lease. Every wedging build ran an active dhcp client. Static
addressing removes the renewal TX path entirely; if the metronome
dies, root cause #2 is the DHCP renew packet through hosted's write
path. (2.9.7 experiment abandoned: slave image bootloops/rolls back
on this C6; version matrix documented for upstream.)

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
 2026-07-15 01:57:16 +02:00
jpmschweitzerandClaude Fable 5 b8974ec84f Wi-Fi data path FIXED: esp_hosted 2.12 on both chips + C6 SDIO auto-OTA
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Root cause of the dead data path (assoc/scan/RPC fine, zero data
frames): esp-hosted 1.4.x is formally incompatible with IDF 5.5
(esp-hosted-mcu#47) and the factory C6 slave firmware was ancient
(couldn't even answer a version RPC). Waveshare's examples pin 1.4.* —
do not follow them.

Fix:
- host: espressif/esp_hosted ^2.12 (+ esp_wifi_remote 1.6)
- slave: 2.12.11 network_adapter.bin embedded in the app (c6_ota.c
  streams it to the C6 over the SDIO RPC channel at boot when the
  reported version is < 2.x; ~10s, no wires, idempotent)
- RAM diet for hosted 2.x's footprint (MEMPOOL_PREFER_SPIRAM,
  reduced WIFI_RMT buffers) — without it internal SRAM famine
  boot-loops in xTaskCreateStaticPinnedToCore before app_main
- conservative 20MHz SDIO clock for first verified data path

Verified on hardware: DHCP lease (even that healed), 8/8 pings to
router and tower-of-joy at 1-5ms, WebSocket to the gateway connected,
device registered at /devices as desklock-p4 with fw version.

Also: wifi_diag.c L1 SoftAP diagnostic mode (DESKLOCK-DIAG) with
review fixes, boot ping ladder in net.c, static-IP fallback,
face_status() line, docs for the whole failure taxonomy.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
 2026-07-15 00:26:28 +02:00