Initial commit: Javis project
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#!/usr/bin/env bash
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# One-shot Raspberry Pi installer for javis-slave (headless or with touch display).
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#
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# sudo ./setup-pi.sh # headless satellite (mic + speaker)
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# sudo ./setup-pi.sh --gui # Pi with official touch display
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# sudo ./setup-pi.sh --with-vad # also install silero-vad (+PyTorch, ~200 MB)
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#
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# Idempotent: re-running upgrades the venv and rewrites the service unit.
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set -euo pipefail
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INSTALL_DIR="${INSTALL_DIR:-/opt/javis-slave}"
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SERVICE_USER="${SERVICE_USER:-${SUDO_USER:-pi}}"
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WITH_GUI=0
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WITH_VAD=0
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for arg in "$@"; do
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case "$arg" in
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--gui) WITH_GUI=1 ;;
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--with-vad) WITH_VAD=1 ;;
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-h|--help) sed -n '2,9p' "$0"; exit 0 ;;
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*) echo "unknown option: $arg" >&2; exit 2 ;;
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esac
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done
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if [[ $EUID -ne 0 ]]; then
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echo "Run with sudo (installs apt packages and a systemd unit)." >&2
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exit 1
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fi
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SRC_DIR="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)"
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echo "==> apt packages"
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apt-get update -qq
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# portaudio: sounddevice; libsndfile: soundfile; alsa-utils: amixer/aplay/arecord;
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# libatomic1 + libopenblas: onnxruntime/numpy wheels on aarch64.
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apt-get install -y -qq python3 python3-venv python3-dev libportaudio2 libsndfile1 \
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alsa-utils libatomic1 libopenblas0 rsync
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if [[ $WITH_GUI -eq 1 ]]; then
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# Qt platform plugin deps for PySide6 wheels on Raspberry Pi OS + colour emoji
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# glyphs used by the orb/buttons (🎤 🔊 ⚙).
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apt-get install -y -qq libxcb-cursor0 libxkbcommon-x11-0 libegl1 libgl1 libglib2.0-0 \
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libfontconfig1 libdbus-1-3 fonts-noto-color-emoji
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fi
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echo "==> copying to ${INSTALL_DIR}"
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mkdir -p "$INSTALL_DIR"
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if [[ "$SRC_DIR" != "$INSTALL_DIR" ]]; then
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rsync -a --delete --exclude .venv --exclude config --exclude '__pycache__' \
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"$SRC_DIR"/ "$INSTALL_DIR"/
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fi
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mkdir -p "$INSTALL_DIR/config"
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chown -R "$SERVICE_USER":"$SERVICE_USER" "$INSTALL_DIR"
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echo "==> python venv"
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extras=""
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[[ $WITH_GUI -eq 1 ]] && extras="gui"
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[[ $WITH_VAD -eq 1 ]] && extras="${extras:+$extras,}vad"
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sudo -u "$SERVICE_USER" bash -c "
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set -e
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cd '$INSTALL_DIR'
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[[ -x .venv/bin/python ]] || python3 -m venv .venv
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.venv/bin/python -m pip install --upgrade pip wheel
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if [[ -n '$extras' ]]; then .venv/bin/python -m pip install -e '.[$extras]'; else .venv/bin/python -m pip install -e .; fi
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# Pre-download openWakeWord ONNX models so the service works offline later.
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.venv/bin/python -c 'from openwakeword.utils import download_models; download_models()' || true
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"
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echo "==> permissions (audio, backlight)"
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usermod -aG audio,video "$SERVICE_USER"
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cat > /etc/udev/rules.d/90-javis-backlight.rules <<'EOF'
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# Let members of 'video' set the display brightness (javis-slave /mcp/v1/brightness).
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SUBSYSTEM=="backlight", ACTION=="add", RUN+="/bin/chgrp video /sys/class/backlight/%k/brightness", RUN+="/bin/chmod g+w /sys/class/backlight/%k/brightness"
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EOF
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udevadm control --reload-rules || true
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# Passwordless power control for the service user (only the exact commands used).
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cat > /etc/sudoers.d/javis-slave <<EOF
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$SERVICE_USER ALL=(root) NOPASSWD: /usr/bin/systemctl suspend, /usr/sbin/shutdown
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EOF
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chmod 0440 /etc/sudoers.d/javis-slave
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echo "==> systemd unit"
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sed -e "s|^User=.*|User=$SERVICE_USER|" \
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-e "s|/opt/javis-slave|$INSTALL_DIR|g" \
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"$INSTALL_DIR/javis-slave.service" > /etc/systemd/system/javis-slave.service
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systemctl daemon-reload
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if [[ $WITH_GUI -eq 1 ]]; then
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# With a display the touch UI runs in the user's desktop session (kiosk),
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# not as a system service — both would fight over the microphone.
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systemctl disable javis-slave.service >/dev/null 2>&1 || true
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AUTOSTART_DIR="$(getent passwd "$SERVICE_USER" | cut -d: -f6)/.config/autostart"
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sudo -u "$SERVICE_USER" mkdir -p "$AUTOSTART_DIR"
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cat > "$AUTOSTART_DIR/javis-slave.desktop" <<EOF
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[Desktop Entry]
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Type=Application
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Name=Javis Slave
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Exec=env JAVIS_SLAVE_CONFIG_DIR=$INSTALL_DIR/config $INSTALL_DIR/.venv/bin/python -m javis_slave --kiosk
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X-GNOME-Autostart-enabled=true
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EOF
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chown "$SERVICE_USER":"$SERVICE_USER" "$AUTOSTART_DIR/javis-slave.desktop"
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else
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systemctl enable javis-slave.service
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fi
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cat <<EOF
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Done. Next steps:
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1. Find your audio devices:
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sudo -u $SERVICE_USER JAVIS_SLAVE_CONFIG_DIR=$INSTALL_DIR/config \\
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$INSTALL_DIR/.venv/bin/python -m javis_slave --list-devices
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2. Pair with the master (generate a code in its Devices tab), e.g.:
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sudo -u $SERVICE_USER JAVIS_SLAVE_CONFIG_DIR=$INSTALL_DIR/config \\
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$INSTALL_DIR/.venv/bin/python -m javis_slave --headless \\
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--input-device 1 --output-device 0 --pair 192.168.1.10:8765 123456 --name Kueche
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Press Ctrl+C once you hear the wake chime working, then:
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EOF
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if [[ $WITH_GUI -eq 1 ]]; then
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echo " 3. Reboot (or log out/in): the touch UI autostarts in kiosk mode."
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echo " Manual start: $INSTALL_DIR/.venv/bin/python -m javis_slave --kiosk"
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else
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echo " 3. sudo systemctl start javis-slave"
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echo " journalctl -u javis-slave -f"
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fi
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