jpmschweitzerandClaude
3f8e4cf593
`make typecheck` failed on four missing stubs — piper, faster_whisper and numpy twice — which made the pre-push gate red on a machine that had followed the documented setup. `make setup` deliberately omits the speech extra; only `make setup-speech` installs it, because faster-whisper and piper-tts pull several GB of ML wheels for a backend the deployment does not use. settings.tts_backend defaults to "speaches", a network call to the shared service on 8601, and both imports are lazy inside the functions that need them. So the absence is a runtime fact the code already handles, not a defect. The gate was therefore failing for doing the right thing, which is how a gate stops being read. The correct assertion is "these modules may be absent", not "install several GB so the type checker is satisfied" — on a disk at 76%, for a path this deployment does not take. There was no [tool.mypy] section at all, so this adds one. numpy is listed for the same reason as the other two: nothing depends on it directly, it arrives with faster-whisper. Note the packaging was already correct — speech is an optional extra and always has been. I initially reported these as required dependencies that were missing from the venv, having grepped for the package names and read the hits without checking which table they sat under; `mypy>=1.11` was three lines below in the same output, which should have said "these are extras". CLAUDE.md states it outright. The fix is smaller than the one I first described because the repo was already doing the right thing. Gate now passes: secrets, ruff, mypy, 9 tests. Firmware and sim still report undetermined, which is accurate — neither has a suite. Co-Authored-By: Claude <noreply@anthropic.com>
DeskLock
A living-room visual/audio endpoint for Tatlock, the homelab butler. DeskLock gives Tatlock a face and a voice on a Waveshare round touch display: you talk to it, it listens, thinks, and answers — the first line of contact with the butler backend running on tower-of-joy.
Hardware
Waveshare ESP32-P4-WIFI6-Touch-LCD-3.4C
| Component | Details |
|---|---|
| SoC | ESP32-P4NRW32 — dual-core RISC-V @ 400 MHz + LP core |
| Memory | 32 MB PSRAM (in-package), 32 MB NOR flash |
| Display | 3.4" round IPS, 800×800, MIPI-DSI 2-lane, capacitive touch |
| Radio | ESP32-C6-MINI-1 (Wi-Fi 6 + BLE 5) over SDIO via ESP-Hosted |
| Audio in | Dual onboard microphones + ES7210 echo-cancellation ADC |
| Audio out | ES8311 codec, PH2.0 2-pin speaker connector (8Ω 2W recommended) |
| Flashing | USB-C (hold BOOT during reset for download mode) |
The device is currently connected over USB-C directly to tower-of-joy, so build/flash happens on this server.
Architecture
┌──────────────────────┐ WebSocket: PCM audio + JSON events
│ DeskLock device │◄───────────────────────────────────┐
│ (ESP32-P4) │ │
│ • LVGL face │ ┌──────────────────────────────┴───────────┐
│ • touch / wake word │ │ DeskLock Gateway (container, :8600) │
│ • mic capture + AEC │ │ thin orchestrator — no ML dependencies │
│ • TTS playback │ └───────┬──────────────────┬───────────────┘
└──────────────────────┘ │ │ OpenAI-format HTTP
│ ▼
HTTP (LAN) │ ┌─────────────────────────────┐
▼ │ Speaches (container, GPU) │
┌────────────────────┐ │ • STT: faster-whisper │
│ Tatlock (butler) │ │ • TTS: Kokoro / Piper │
│ http://tatlock │ │ also usable by Open WebUI, │
│ :8000 │ │ Home Assistant, … │
└────────────────────┘ └─────────────────────────────┘
Tatlock stays a text-only brain. The gateway orchestrates speech-to-text, chat, and text-to-speech; the Speaches container owns the actual STT/TTS models on the GPU, shared homelab-wide. The device firmware stays thin: audio transport, wake word, and face rendering only. Everything runs on the LAN — no cloud in the voice path.
See docs/architecture.md for the full design.
Repository layout
firmware/— ESP-IDF (C, LVGL 9) application for the ESP32-P4gateway/— Python FastAPI voice gateway, deployed as a container on tower-of-joysim/face/— browser simulator of the face (design source of truth; serve withpython3 -m http.serverand openindex.html, or use?state=…&nochrome=1for screenshots)docs/— architecture and design notes
Roadmap
Bring-up✅ — display, touch, audio, 200 MHz PSRAM, cathedral gong- Face + voice loop (in hardware test) — full LVGL face (7 states, rain, orbit, power ladder), Wi-Fi, WebSocket, touch-to-talk
- Voice (touch-to-talk) — tap to talk → gateway → Tatlock → spoken reply
- Wake word — esp-sr WakeNet on-device, echo cancellation, barge-in
- Polish — Tatlock-initiated notifications, presence, OTA updates