Debian trixie-based build-compile-deploy workflow

.gitignore

@@ -32,16 +32,20 @@ Thumbs.db
 # Logs
 *.log
 
-# Flutter platforms we don't use (Pi project - elinux only)
+# Flutter platform folders (all generated by flutter-elinux create)
 pi/ui/android/
 pi/ui/ios/
 pi/ui/macos/
 pi/ui/web/
 pi/ui/windows/
+pi/ui/linux/
+pi/ui/elinux/
+pi/ui/test/
 
-# Flutter generated files we don't need in repo
+# Flutter generated files
 pi/ui/.metadata
 pi/ui/README.md
+pi/ui/analysis_options.yaml
 
 # Pi (aarch64) dynamic linkers and stuff
 pi_sysroot/

README.md

@@ -24,14 +24,15 @@ smart-serow/
 │   └── ui/               # Flutter app (elinux target)
 │       ├── lib/main.dart
 │       ├── pubspec.yaml
-│       └── elinux/       # Platform-specific build config
+│       └── elinux/       # Generated by flutter-elinux (gitignored)
 ├── scripts/
 │   ├── build.sh          # Cross-compile for ARM64
 │   ├── deploy.sh         # Push to Pi via rsync
 │   ├── deploy_target.json
 │   ├── pi_setup.sh       # One-time Pi setup
 │   └── smartserow-ui.service
-└── pi_sysroot/           # Pi libraries for cross-linking (gitignored)
+├── pi_sysroot/           # Pi libraries for cross-linking (gitignored)
+└── LICENSE               # MIT
 ```
 
 ---
@@ -145,11 +146,10 @@ Flutter-elinux supports multiple backends. We use **GBM** (DRM/KMS direct).
 | `x11` | Debug | Needs X server, mouse/keyboard friendly |
 | `wayland` | - | Requires compositor, more dependencies |
 
-The service runs with `-b drm`. For X11 debugging on Pi:
+The backend is compiled in (we build with `--target-backend-type=gbm`).
-```bash
+The `-b` flag is for bundle path, not backend selection.
-startx &
+
-./smartserow_ui -b x11
+For X11 debugging, you'd need to rebuild with `--target-backend-type=x11`.
-```
 
 ---
 

pi/ui/pubspec.lock

@@ -0,0 +1,205 @@
+# Generated by pub
+# See https://dart.dev/tools/pub/glossary#lockfile
+packages:
+  async:
+    dependency: transitive
+    description:
+      name: async
+      sha256: d2872f9c19731c2e5f10444b14686eb7cc85c76274bd6c16e1816bff9a3bab63
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.12.0"
+  boolean_selector:
+    dependency: transitive
+    description:
+      name: boolean_selector
+      sha256: "8aab1771e1243a5063b8b0ff68042d67334e3feab9e95b9490f9a6ebf73b42ea"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.2"
+  characters:
+    dependency: transitive
+    description:
+      name: characters
+      sha256: f71061c654a3380576a52b451dd5532377954cf9dbd272a78fc8479606670803
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.4.0"
+  clock:
+    dependency: transitive
+    description:
+      name: clock
+      sha256: fddb70d9b5277016c77a80201021d40a2247104d9f4aa7bab7157b7e3f05b84b
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.2"
+  collection:
+    dependency: transitive
+    description:
+      name: collection
+      sha256: "2f5709ae4d3d59dd8f7cd309b4e023046b57d8a6c82130785d2b0e5868084e76"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.19.1"
+  fake_async:
+    dependency: transitive
+    description:
+      name: fake_async
+      sha256: "6a95e56b2449df2273fd8c45a662d6947ce1ebb7aafe80e550a3f68297f3cacc"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.3.2"
+  flutter:
+    dependency: "direct main"
+    description: flutter
+    source: sdk
+    version: "0.0.0"
+  flutter_lints:
+    dependency: "direct dev"
+    description:
+      name: flutter_lints
+      sha256: "9e8c3858111da373efc5aa341de011d9bd23e2c5c5e0c62bccf32438e192d7b1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.2"
+  flutter_test:
+    dependency: "direct dev"
+    description: flutter
+    source: sdk
+    version: "0.0.0"
+  leak_tracker:
+    dependency: transitive
+    description:
+      name: leak_tracker
+      sha256: c35baad643ba394b40aac41080300150a4f08fd0fd6a10378f8f7c6bc161acec
+      url: "https://pub.dev"
+    source: hosted
+    version: "10.0.8"
+  leak_tracker_flutter_testing:
+    dependency: transitive
+    description:
+      name: leak_tracker_flutter_testing
+      sha256: f8b613e7e6a13ec79cfdc0e97638fddb3ab848452eff057653abd3edba760573
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.9"
+  leak_tracker_testing:
+    dependency: transitive
+    description:
+      name: leak_tracker_testing
+      sha256: "6ba465d5d76e67ddf503e1161d1f4a6bc42306f9d66ca1e8f079a47290fb06d3"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.1"
+  lints:
+    dependency: transitive
+    description:
+      name: lints
+      sha256: cbf8d4b858bb0134ef3ef87841abdf8d63bfc255c266b7bf6b39daa1085c4290
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.0"
+  matcher:
+    dependency: transitive
+    description:
+      name: matcher
+      sha256: dc58c723c3c24bf8d3e2d3ad3f2f9d7bd9cf43ec6feaa64181775e60190153f2
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.12.17"
+  material_color_utilities:
+    dependency: transitive
+    description:
+      name: material_color_utilities
+      sha256: f7142bb1154231d7ea5f96bc7bde4bda2a0945d2806bb11670e30b850d56bdec
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.11.1"
+  meta:
+    dependency: transitive
+    description:
+      name: meta
+      sha256: e3641ec5d63ebf0d9b41bd43201a66e3fc79a65db5f61fc181f04cd27aab950c
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.16.0"
+  path:
+    dependency: transitive
+    description:
+      name: path
+      sha256: "75cca69d1490965be98c73ceaea117e8a04dd21217b37b292c9ddbec0d955bc5"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.9.1"
+  sky_engine:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.0"
+  source_span:
+    dependency: transitive
+    description:
+      name: source_span
+      sha256: "254ee5351d6cb365c859e20ee823c3bb479bf4a293c22d17a9f1bf144ce86f7c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.10.1"
+  stack_trace:
+    dependency: transitive
+    description:
+      name: stack_trace
+      sha256: "8b27215b45d22309b5cddda1aa2b19bdfec9df0e765f2de506401c071d38d1b1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.12.1"
+  stream_channel:
+    dependency: transitive
+    description:
+      name: stream_channel
+      sha256: "969e04c80b8bcdf826f8f16579c7b14d780458bd97f56d107d3950fdbeef059d"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.4"
+  string_scanner:
+    dependency: transitive
+    description:
+      name: string_scanner
+      sha256: "921cd31725b72fe181906c6a94d987c78e3b98c2e205b397ea399d4054872b43"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.4.1"
+  term_glyph:
+    dependency: transitive
+    description:
+      name: term_glyph
+      sha256: "7f554798625ea768a7518313e58f83891c7f5024f88e46e7182a4558850a4b8e"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.2"
+  test_api:
+    dependency: transitive
+    description:
+      name: test_api
+      sha256: fb31f383e2ee25fbbfe06b40fe21e1e458d14080e3c67e7ba0acfde4df4e0bbd
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.7.4"
+  vector_math:
+    dependency: transitive
+    description:
+      name: vector_math
+      sha256: "80b3257d1492ce4d091729e3a67a60407d227c27241d6927be0130c98e741803"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.4"
+  vm_service:
+    dependency: transitive
+    description:
+      name: vm_service
+      sha256: "0968250880a6c5fe7edc067ed0a13d4bae1577fe2771dcf3010d52c4a9d3ca14"
+      url: "https://pub.dev"
+    source: hosted
+    version: "14.3.1"
+sdks:
+  dart: ">=3.7.0-0 <4.0.0"
+  flutter: ">=3.18.0-18.0.pre.54"

scripts/build.sh

@@ -11,16 +11,62 @@ UI_DIR="$PROJECT_ROOT/pi/ui"
 echo "=== Smart Serow Build ==="
 echo "Project: $UI_DIR"
 
+# Check for flutter-elinux
+if ! command -v flutter-elinux &> /dev/null; then
+    echo "ERROR: flutter-elinux not found in PATH"
+    echo "Install it or check your PATH"
+    echo ""
+    echo "Current PATH: $PATH"
+    which flutter 2>/dev/null && echo "Found flutter at: $(which flutter)"
+    exit 1
+fi
+
+echo "Using: $(which flutter-elinux)"
+
+# Cross-compilation toolchain for ARM64
+export CC=aarch64-linux-gnu-gcc
+export CXX=aarch64-linux-gnu-g++
+export AR=aarch64-linux-gnu-ar
+export LD=aarch64-linux-gnu-ld
+# CMake-specific vars
+export CMAKE_C_COMPILER=aarch64-linux-gnu-gcc
+export CMAKE_CXX_COMPILER=aarch64-linux-gnu-g++
+
+echo "Cross-compiler: $CXX"
+
 cd "$UI_DIR"
 
-# Clean previous build (optional, comment out for faster incremental builds)
+# Initialize elinux project if not already configured
-# flutter-elinux clean
+if [ ! -d "elinux" ]; then
+    echo "Initializing elinux project structure..."
+    flutter-elinux create . --project-name smartserow_ui --org com.smartserow
+fi
+
+# Clean CMake cache on --clean flag
+# (CMake caches compiler choice, so stale cache = wrong linker)
+if [ "${1:-}" = "--clean" ]; then
+    echo "Cleaning CMake cache..."
+    rm -rf build/elinux/arm64
+fi
 
 echo "Fetching dependencies..."
 flutter-elinux pub get
 
-echo "Building for ARM64 (elinux)..."
+echo "Building for ARM64 (elinux) with DRM-GBM backend..."
-flutter-elinux build elinux --target-arch=arm64 --release
+
+# Use Pi sysroot if available (for proper cross-linking)
+SYSROOT_FLAG=""
+if [ -d "$PROJECT_ROOT/pi_sysroot" ]; then
+    echo "Using Pi sysroot: $PROJECT_ROOT/pi_sysroot"
+    SYSROOT_FLAG="--target-sysroot=$PROJECT_ROOT/pi_sysroot"
+fi
+
+flutter-elinux build elinux \
+    --target-arch=arm64 \
+    --target-backend-type=gbm \
+    --target-compiler-triple=aarch64-linux-gnu \
+    $SYSROOT_FLAG \
+    --release
 
 BUILD_OUTPUT="$UI_DIR/build/elinux/arm64/release/bundle"
 

scripts/deploy.sh

@@ -14,14 +14,21 @@ if [ ! -f "$CONFIG_FILE" ]; then
     exit 1
 fi
 
-HOST=$(jq -r '.host' "$CONFIG_FILE")
+# Parse JSON with Python (more universal than jq)
-REMOTE_PATH=$(jq -r '.remote_path' "$CONFIG_FILE")
+read_json() {
-SERVICE_NAME=$(jq -r '.service_name' "$CONFIG_FILE")
+    python3 -c "import json; print(json.load(open('$CONFIG_FILE'))['$1'])"
+}
 
+PI_USER=$(read_json user)
+PI_HOST=$(read_json host)
+REMOTE_PATH=$(read_json remote_path)
+SERVICE_NAME=$(read_json service_name)
+
+SSH_TARGET="$PI_USER@$PI_HOST"
 BUILD_DIR="$PROJECT_ROOT/pi/ui/build/elinux/arm64/release/bundle"
 
 echo "=== Smart Serow Deploy ==="
-echo "Target: $HOST:$REMOTE_PATH"
+echo "Target: $SSH_TARGET:$REMOTE_PATH"
 echo "Source: $BUILD_DIR"
 
 if [ ! -d "$BUILD_DIR" ]; then
@@ -34,20 +41,20 @@ echo ""
 echo "Syncing files..."
 rsync -avz --delete \
     "$BUILD_DIR/" \
-    "$HOST:$REMOTE_PATH/bundle/"
+    "$SSH_TARGET:$REMOTE_PATH/bundle/"
 
 # Restart service if requested
 RESTART="${1:-}"
 if [ "$RESTART" = "--restart" ] || [ "$RESTART" = "-r" ]; then
     echo ""
     echo "Restarting service: $SERVICE_NAME"
-    ssh "$HOST" "sudo systemctl restart $SERVICE_NAME"
+    ssh "$SSH_TARGET" "sudo systemctl restart $SERVICE_NAME"
     sleep 2
-    ssh "$HOST" "systemctl status $SERVICE_NAME --no-pager"
+    ssh "$SSH_TARGET" "systemctl status $SERVICE_NAME --no-pager"
 else
     echo ""
     echo "Deploy complete. To restart service, run:"
-    echo "  ssh $HOST 'sudo systemctl restart $SERVICE_NAME'"
+    echo "  ssh $SSH_TARGET 'sudo systemctl restart $SERVICE_NAME'"
     echo ""
     echo "Or run this script with --restart flag"
 fi

scripts/deploy_target.json

@@ -1,5 +1,6 @@
 {
-  "host": "pi@smartserow.local",
+  "user": "mikkeli",
+  "host": "192.168.2.102",
   "remote_path": "/opt/smartserow",
   "service_name": "smartserow-ui"
 }

scripts/pi_setup.sh

@@ -6,6 +6,11 @@ set -e
 
 echo "=== Smart Serow Pi Setup ==="
 
+# Use current user (whoever is running this script on the Pi)
+PI_USER="${USER:-$(whoami)}"
+PI_UID=$(id -u "$PI_USER")
+echo "Setting up for user: $PI_USER (uid: $PI_UID)"
+
 # Check if running on Pi (arm architecture)
 ARCH=$(uname -m)
 if [[ "$ARCH" != "aarch64" && "$ARCH" != "armv7l" ]]; then
@@ -15,11 +20,12 @@ fi
 
 APP_DIR="/opt/smartserow"
 SERVICE_FILE="/etc/systemd/system/smartserow-ui.service"
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 
 # Create app directory
 echo "Creating app directory: $APP_DIR"
 sudo mkdir -p "$APP_DIR/bundle"
-sudo chown -R pi:pi "$APP_DIR"
+sudo chown -R "$PI_USER:$PI_USER" "$APP_DIR"
 
 # Install runtime dependencies for flutter-elinux
 echo "Installing runtime dependencies..."
@@ -41,11 +47,15 @@ sudo apt-get install -y \
     libx11-6 \
     libxkbcommon-x11-0
 
-# Copy systemd service
+# Generate systemd service with correct user
 echo "Installing systemd service..."
-SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 if [ -f "$SCRIPT_DIR/smartserow-ui.service" ]; then
-    sudo cp "$SCRIPT_DIR/smartserow-ui.service" "$SERVICE_FILE"
+    # Patch the template with actual user values
+    sed -e "s/User=.*/User=$PI_USER/" \
+        -e "s/Group=.*/Group=$PI_USER/" \
+        -e "s|HOME=/home/.*|HOME=/home/$PI_USER|" \
+        -e "s|XDG_RUNTIME_DIR=/run/user/.*|XDG_RUNTIME_DIR=/run/user/$PI_UID|" \
+        "$SCRIPT_DIR/smartserow-ui.service" | sudo tee "$SERVICE_FILE" > /dev/null
 else
     echo "WARNING: Service file not found at $SCRIPT_DIR/smartserow-ui.service"
     echo "Copy it manually to $SERVICE_FILE"
@@ -56,11 +66,11 @@ echo "Enabling service..."
 sudo systemctl daemon-reload
 sudo systemctl enable smartserow-ui
 
-# Add pi user to required groups for DRM/KMS access
+# Add user to required groups for DRM/KMS access
-echo "Setting up permissions..."
+echo "Setting up permissions for $PI_USER..."
-sudo usermod -aG video pi
+sudo usermod -aG video "$PI_USER"
-sudo usermod -aG input pi
+sudo usermod -aG input "$PI_USER"
-sudo usermod -aG render pi 2>/dev/null || true
+sudo usermod -aG render "$PI_USER" 2>/dev/null || true
 
 echo ""
 echo "=== Setup Complete ==="

scripts/smartserow-ui.service

@@ -5,12 +5,13 @@ Wants=multi-user.target
 
 [Service]
 Type=simple
-User=pi
+User=mikkeli
-Group=pi
+Group=mikkeli
 WorkingDirectory=/opt/smartserow/bundle
 
-# DRM/KMS backend for direct framebuffer (no X11 needed)
+# GBM backend is compiled in. Just specify bundle path.
-ExecStart=/opt/smartserow/bundle/smartserow_ui -b drm
+# Scale factor 2.5 for 5.5" 1080p screen (high DPI)
+ExecStart=/opt/smartserow/bundle/smartserow_ui --bundle=/opt/smartserow/bundle --force-scale-factor=2.5
 
 # Restart on crash
 Restart=always
@@ -18,7 +19,8 @@ RestartSec=3
 
 # Environment for DRM/KMS access
 Environment=XDG_RUNTIME_DIR=/run/user/1000
-Environment=HOME=/home/pi
+Environment=HOME=/home/mikkeli
+Environment=LD_LIBRARY_PATH=/opt/smartserow/bundle/lib
 
 # Give time for GPU to initialize on boot
 ExecStartPre=/bin/sleep 2