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docs(deploy): document CAMERAS multi-camera env

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유창욱 2026-07-12 23:01:40 +09:00
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11
deploy/README.md
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@ -105,6 +105,17 @@ Validate on device per `docs/hardware-bringup.md` before trusting output (the Ha
decode is unit-locked, but the HailoRT inference + picamera2 color order are hardware-
validated). USB webcam stays available anytime via `CAMERA_BACKEND=uvc`.
**Multiple cameras at once.** Set `CAMERAS=backend:device:camera_id,...` to run several
cameras in one daemon — each gets its own detection pipeline and `camera_id`, they share
the Hailo device (round-robin) and the offline queue, and cloud zones are routed to the
matching camera. Example — CSI + USB together:
```ini
CAMERAS=csi:0:cam-01,uvc:0:cam-02
```
Each `camera_id` must match the `camera_id` on that camera's zones in the cloud.
> **Air gap:** `hailo-all` / `python3-picamera2` are the ONE piece this bundle can't
> carry (Hailo's own driver + apt tree). Pre-install them on the Pi image, or transfer
> their `.deb`s separately, before running `install_offline.sh`. The pose HEF is

4
deploy/systemd/move-detect-edge.env.example
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@ -28,6 +28,10 @@ CAMERA_BACKEND=uvc
UVC_DEVICE=0
# CSI_DEVICE: picamera2 camera_num for the CSI camera (used when CAMERA_BACKEND=csi).
CSI_DEVICE=0
# CAMERAS (optional): run several cameras at once; overrides CAMERA_BACKEND/*_DEVICE.
# Format backend:device:camera_id, comma-separated. Each camera_id must match its
# cloud zones. Example — CSI + USB together on a Hailo Pi:
#CAMERAS=csi:0:cam-01,uvc:0:cam-02
# TARGET_FPS: frame pacing = 1/TARGET_FPS.
TARGET_FPS=12