Improve led-tool flashing and settings flow

Made-with: Cursor

build.py

@@ -1,76 +0,0 @@
-#!/usr/bin/env python3
-"""
-Build script for creating binary executables from the CLI and web tools.
-"""
-
-import subprocess
-import sys
-import os
-
-def build_binary(script_name, output_name=None):
-    """Build a binary from a Python script using PyInstaller."""
-    if output_name is None:
-        output_name = script_name.replace('.py', '')
-    
-    print(f"Building {script_name} -> {output_name}...")
-    
-    cmd = [
-        'pyinstaller',
-        '--onefile',  # Create a single executable file
-        '--name', output_name,
-        '--clean',  # Clean PyInstaller cache
-        script_name
-    ]
-    
-    # Add hidden imports that might be needed
-    hidden_imports = [
-        'mpremote.transport_serial',
-        'mpremote.transport',
-        'mpremote.console',
-        'mpremote.mp_errno',
-        'serial',
-        'serial.tools.list_ports',
-    ]
-    
-    for imp in hidden_imports:
-        cmd.extend(['--hidden-import', imp])
-    
-    # Include the lib directory
-    cmd.extend(['--add-data', 'lib:lib'])
-    
-    result = subprocess.run(cmd, cwd=os.path.dirname(os.path.abspath(__file__)))
-    
-    if result.returncode == 0:
-        print(f"✓ Successfully built {output_name}")
-        print(f"  Binary location: dist/{output_name}")
-    else:
-        print(f"✗ Failed to build {output_name}")
-        return False
-    
-    return True
-
-if __name__ == '__main__':
-    print("Building binaries for led-tool...")
-    print("=" * 60)
-    
-    success = True
-    
-    # Build CLI binary
-    if build_binary('cli.py', 'led-cli'):
-        print()
-    else:
-        success = False
-    
-    # Optionally build web binary (commented out as it's less common)
-    # if build_binary('web.py', 'led-tool-web'):
-    #     print()
-    # else:
-    #     success = False
-    
-    if success:
-        print("=" * 60)
-        print("Build complete! Binaries are in the 'dist' directory.")
-    else:
-        print("=" * 60)
-        print("Build failed. Check errors above.")
-        sys.exit(1)

build.sh

@@ -1,37 +0,0 @@
-#!/usr/bin/env bash
-# Build script for creating binaries
-
-set -e
-
-echo "Building led-tool binaries..."
-echo "================================"
-
-# Check if we're in a pipenv environment or use pipenv run
-if command -v pipenv &> /dev/null; then
-    echo "Using pipenv..."
-    pipenv install --dev
-    PYINSTALLER_CMD="pipenv run pyinstaller"
-else
-    # Check if pyinstaller is available directly
-    if ! command -v pyinstaller &> /dev/null; then
-        echo "Installing PyInstaller..."
-        pip install pyinstaller
-    fi
-    PYINSTALLER_CMD="pyinstaller"
-fi
-
-# Build CLI binary using the spec file
-echo ""
-echo "Building CLI binary..."
-$PYINSTALLER_CMD --clean led-cli.spec
-
-echo ""
-echo "================================"
-echo "Build complete!"
-echo "Binary location: dist/led-cli"
-echo ""
-echo "To test: ./dist/led-cli -h"
-echo ""
-echo "You can distribute the binary from the dist/ directory"
-echo "without requiring Python to be installed on the target system."
-

cli.py

@@ -8,14 +8,26 @@ to/from MicroPython devices via mpremote.
 
 import json
 import argparse
+import subprocess
 import sys
-from typing import Dict, Any, List
+import time
+from typing import Dict, Any, List, Optional
 
 import tempfile
 import os
 from device import copy_file, DeviceConnection
 
 
+def resolve_flash_binary(path: str) -> Optional[str]:
+    """Resolve binary path: full path or in bin/ directory."""
+    if os.path.isabs(path):
+        return path if os.path.exists(path) else None
+    if os.path.exists(path):
+        return os.path.abspath(path)
+    bin_path = os.path.join("bin", path)
+    return os.path.abspath(bin_path) if os.path.exists(bin_path) else None
+
+
 def download_settings(device: str) -> dict:
     """
     Download settings.json from the device.
@@ -72,32 +84,84 @@ def upload_settings(device: str, settings: dict) -> None:
                 pass
 
 
-def parse_colors(color_string: str) -> List[tuple]:
-    """
-    Parse color string into list of RGB tuples.
-    Format: "r,g,b" or "r,g,b;r2,g2,b2" for multiple colors
-    """
-    colors = []
-    for color_part in color_string.split(";"):
-        parts = color_part.strip().split(",")
-        if len(parts) == 3:
-            try:
-                r = int(parts[0].strip())
-                g = int(parts[1].strip())
-                b = int(parts[2].strip())
-                colors.append((r, g, b))
-            except ValueError:
-                raise ValueError(f"Invalid color format: {color_part}. Expected 'r,g,b'")
-        else:
-            raise ValueError(f"Invalid color format: {color_part}. Expected 'r,g,b'")
-    return colors
-
-
 def print_settings(settings: Dict[str, Any]) -> None:
     """Pretty print settings dictionary."""
     print(json.dumps(settings, indent=2))
 
 
+# Flags that consume the next argv as their value (for skipping during order scan)
+_FLAGS_WITH_VALUE = frozenset({
+    '-p', '--port', '-n', '--name', '--pin', '-b', '--brightness',
+    '-l', '--leds', '-d', '-debug', '--debug', '-o', '--order',
+    '--preset', '--default',
+})
+
+
+def _get_ordered_actions(argv: List[str]) -> List[tuple]:
+    """
+    Scan argv and return list of (action_name, value) in order of appearance.
+    Actions: flash, pause, reset, upload, erase_all, rm, follow.
+    """
+    actions = []
+    i = 1
+    while i < len(argv):
+        arg = argv[i]
+        if arg == '--pause':
+            if i + 1 < len(argv):
+                try:
+                    secs = float(argv[i + 1])
+                    actions.append(('pause', secs))
+                except ValueError:
+                    raise ValueError("--pause requires a number (seconds)")
+                i += 2
+            else:
+                raise ValueError("--pause requires an argument")
+            continue
+        if arg == '--flash':
+            if i + 1 < len(argv):
+                actions.append(('flash', argv[i + 1]))
+                i += 2
+            else:
+                raise ValueError("--flash requires an argument")
+            continue
+        if arg in ('-r', '--reset'):
+            actions.append(('reset', None))
+            i += 1
+            continue
+        if arg in ('-u', '--upload'):
+            vals = []
+            i += 1
+            while i < len(argv) and not argv[i].startswith('-'):
+                vals.append(argv[i])
+                i += 1
+                if len(vals) >= 2:
+                    break
+            if vals:
+                actions.append(('upload', vals))
+            continue
+        if arg == '-e':
+            actions.append(('erase_all', None))
+            i += 1
+            continue
+        if arg == '--rm':
+            if i + 1 < len(argv):
+                actions.append(('rm', argv[i + 1]))
+                i += 2
+            else:
+                raise ValueError("--rm requires an argument")
+            continue
+        if arg in ('-f', '--follow'):
+            actions.append(('follow', None))
+            i += 1
+            continue
+        # Skip non-action flags and their values
+        if arg in _FLAGS_WITH_VALUE and i + 1 < len(argv):
+            i += 2
+        else:
+            i += 1
+    return actions
+
+
 def main() -> None:
     parser = argparse.ArgumentParser(
         description="LED Bar Configuration CLI Tool",
@@ -110,11 +174,8 @@ Examples:
   # Download, edit device name and brightness, then upload
   %(prog)s -n "LED-Strip-1" -b 128
 
-  # Set colors (format: r,g,b or r,g,b;r2,g2,b2 for multiple)
-  %(prog)s -c "255,0,0;0,255,0;0,0,255"
-
   # Set multiple parameters
-  %(prog)s -n "MyLED" -b 200 --preset "rainbow" -n1 10 -n2 20
+  %(prog)s -n "MyLED" -b 200 --preset "rainbow"
 
   # Set number of LEDs, color order, and debug mode
   %(prog)s -l 60 -o rgb -d 1
@@ -127,6 +188,16 @@ Examples:
 
   # Reset and then follow output
   %(prog)s -r -f
+
+  # Flash firmware binary (full path or filename in bin/)
+  %(prog)s --flash firmware.bin
+  %(prog)s -p /dev/ttyUSB0 --flash /path/to/firmware.bin
+
+  # Reset, pause 2 seconds, then follow output
+  %(prog)s --reset --pause 2 --follow
+
+  # Set name, num_leds, default pattern, and upload
+  %(prog)s --name "MyStrip" -l 60 --default rainbow
         """
     )
 
@@ -144,30 +215,37 @@ Examples:
     parser.add_argument(
         "--pin",
         type=int,
-        help="LED GPIO pin number (updates 'led_pin' in settings.json)"
+        metavar="N",
+        help="LED GPIO pin number (led_pin in settings.json)"
     )
 
     parser.add_argument(
         "-b", "--brightness",
         type=int,
+        metavar="0-255",
         help="Brightness (0-255)"
     )
 
     parser.add_argument(
         "-l", "--leds",
+        dest="leds",
         type=int,
-        help="Number of LEDs"
+        metavar="N",
+        help="Number of LEDs (num_leds in settings.json)"
     )
 
     parser.add_argument(
-        "-d", "--debug",
+        "-d", "-debug", "--debug",
+        dest="debug",
         type=int,
         choices=[0, 1],
+        metavar="0|1",
         help="Debug mode (0 or 1)"
     )
 
     parser.add_argument(
-        "-o", "--color-order",
+        "-o", "--order",
+        dest="color_order",
         choices=["rgb", "rbg", "grb", "gbr", "brg", "bgr"],
         help="Color order (rgb, rbg, grb, gbr, brg, bgr)"
     )
@@ -178,28 +256,16 @@ Examples:
     )
 
     parser.add_argument(
-        "-c", "--colors",
+        "--default",
-        help="Colors in format 'r,g,b' or 'r,g,b;r2,g2,b2' for multiple colors"
+        metavar="PATTERN",
-    )
+        help="Default/startup pattern (startup_preset in settings.json)"
-
-    # Add n1 through n8 parameters
-    for i in range(1, 9):
-        parser.add_argument(
-            f"-n{i}",
-            type=int,
-            help=f"N{i} parameter"
     )
 
     parser.add_argument(
-        "--no-upload",
+        "--pause",
-        action="store_true",
+        type=float,
-        help="Don't upload settings after editing (only download and print)"
+        metavar="SECONDS",
-    )
+        help="Pause for N seconds (use in action sequence, e.g. --reset --pause 2 --follow)"
-
-    parser.add_argument(
-        "--no-download",
-        action="store_true",
-        help="Don't download settings first (use empty settings)"
     )
 
     parser.add_argument(
@@ -240,85 +306,112 @@ Examples:
         help="Delete a file or directory on the device (recursive for directories)"
     )
 
-    args = parser.parse_args()
+    parser.add_argument(
+        "--flash",
+        metavar="BINARY",
+        help="Flash firmware binary to device. Path can be full path or filename in bin/"
+    )
 
-    # Handle reset option (can be combined with follow/erase/upload)
-    if args.reset:
     try:
-            print(f"Resetting device on {args.port}...", file=sys.stderr)
+        args = parser.parse_args()
-            conn = DeviceConnection(args.port)
+        ordered_actions = _get_ordered_actions(sys.argv)
+    except ValueError as e:
+        print(f"Error: {e}", file=sys.stderr)
+        sys.exit(1)
+
+    port = args.port
+    ran_reset = False
+
+    # Execute actions in command-line order
+    for action_name, value in ordered_actions:
+        if action_name == 'pause':
+            print(f"Pausing for {value} seconds...", file=sys.stderr)
+            time.sleep(value)
+        elif action_name == 'flash':
+            resolved = resolve_flash_binary(value)
+            if not resolved:
+                print(f"Error: binary not found: {value} (checked bin/)", file=sys.stderr)
+                sys.exit(1)
+            try:
+                print(f"Erasing flash on {port}...", file=sys.stderr)
+                subprocess.run(["esptool", "-p", port, "erase_flash"], check=True)
+                print(f"Writing {resolved} to flash at 0...", file=sys.stderr)
+                subprocess.run(["esptool", "-p", port, "write_flash", "0", resolved], check=True)
+                print("Flash complete.", file=sys.stderr)
+                print("Waiting 2s for device to boot...", file=sys.stderr)
+                time.sleep(2)
+            except subprocess.CalledProcessError as e:
+                print(f"Error flashing: {e}", file=sys.stderr)
+                sys.exit(1)
+            except FileNotFoundError:
+                print("Error: esptool not found. Install it with: pip install esptool", file=sys.stderr)
+                sys.exit(1)
+
+        elif action_name == 'reset':
+            ran_reset = True
+            try:
+                print(f"Resetting device on {port}...", file=sys.stderr)
+                conn = DeviceConnection(port)
                 conn.reset()
                 print("Device reset.", file=sys.stderr)
             except Exception as e:
                 print(f"Error resetting device: {e}", file=sys.stderr)
                 sys.exit(1)
 
-    # Handle upload option (can be combined with other operations)
+        elif action_name == 'upload':
-    if args.upload:
+            if len(value) > 2:
-        import os
-        if len(args.upload) > 2:
                 print("Error: -u accepts at most 2 arguments (source and optional destination)", file=sys.stderr)
                 sys.exit(1)
-
+            upload_dir = value[0]
-        upload_dir = args.upload[0]
+            remote_dir = value[1] if len(value) > 1 else None
-        remote_dir = args.upload[1] if len(args.upload) > 1 else None
-
             if not os.path.exists(upload_dir):
                 print(f"Error: Directory does not exist: {upload_dir}", file=sys.stderr)
                 sys.exit(1)
             if not os.path.isdir(upload_dir):
                 print(f"Error: Not a directory: {upload_dir}", file=sys.stderr)
                 sys.exit(1)
-
             try:
                 if remote_dir:
-                print(f"Uploading {upload_dir} to {remote_dir} on device {args.port}...", file=sys.stderr)
+                    print(f"Uploading {upload_dir} to {remote_dir} on device {port}...", file=sys.stderr)
                 else:
-                print(f"Uploading {upload_dir} to device on {args.port}...", file=sys.stderr)
+                    print(f"Uploading {upload_dir} to device on {port}...", file=sys.stderr)
-            conn = DeviceConnection(args.port)
+                conn = DeviceConnection(port)
                 files_copied, dirs_created = conn.upload_directory(upload_dir, remote_dir)
                 print(f"Upload complete: {files_copied} files, {dirs_created} directories created.", file=sys.stderr)
             except Exception as e:
                 print(f"Error uploading directory: {e}", file=sys.stderr)
                 sys.exit(1)
 
-    # Handle erase-all option (can be combined with other operations)
+        elif action_name == 'erase_all':
-    if args.erase_all:
             try:
-            print(f"Erasing all code on device {args.port}...", file=sys.stderr)
+                print(f"Erasing all code on device {port}...", file=sys.stderr)
-            conn = DeviceConnection(args.port)
+                conn = DeviceConnection(port)
-            # List top-level items and delete everything except settings.json
                 items = conn.list_files('')
                 for name, is_dir, size in items:
                     if name == "settings.json":
                         continue
-                path = name
+                    conn.delete(name)
-                conn.delete(path)
                 print("Erase complete.", file=sys.stderr)
             except Exception as e:
                 print(f"Error erasing device: {e}", file=sys.stderr)
                 sys.exit(1)
 
-    # Handle targeted remove option (can be combined with other operations)
+        elif action_name == 'rm':
-    if args.rm:
             try:
-            print(f"Deleting {args.rm} on device {args.port}...", file=sys.stderr)
+                print(f"Deleting {value} on device {port}...", file=sys.stderr)
-            conn = DeviceConnection(args.port)
+                conn = DeviceConnection(port)
-            conn.delete(args.rm)
+                conn.delete(value)
-            print(f"Successfully deleted: {args.rm}", file=sys.stderr)
+                print(f"Successfully deleted: {value}", file=sys.stderr)
             except Exception as e:
-            print(f"Error deleting {args.rm}: {e}", file=sys.stderr)
+                print(f"Error deleting {value}: {e}", file=sys.stderr)
                 sys.exit(1)
 
-    # Handle follow option (can be combined with reset)
+        elif action_name == 'follow':
-    if args.follow:
+            if ran_reset:
-        try:
-            if args.reset:
-                # Small delay after reset to let device boot
-                import time
                 time.sleep(0.5)
-            print(f"Following output from {args.port}... (Press Ctrl+C to stop)", file=sys.stderr)
+            try:
-            conn = DeviceConnection(args.port)
+                print(f"Following output from {port}... (Press Ctrl+C to stop)", file=sys.stderr)
+                conn = DeviceConnection(port)
                 conn.follow_output()
             except KeyboardInterrupt:
                 print("\nStopped following.", file=sys.stderr)
@@ -326,10 +419,10 @@ Examples:
             except Exception as e:
                 print(f"Error following output: {e}", file=sys.stderr)
                 sys.exit(1)
-        return  # Don't continue with settings operations if following
+            return  # follow blocks; when interrupted we're done
 
-    # If only reset was specified (without follow/other actions), we're done
+    # If we ran any actions and follow wasn't last, we're done
-    if args.reset and not (args.upload or args.erase_all or args.rm or args.show):
+    if ordered_actions:
         return
 
     # Collect all edit parameters
@@ -356,21 +449,10 @@ Examples:
     if args.preset is not None:
         edits["pattern"] = args.preset
 
-    if args.colors is not None:
+    if args.default is not None:
-        colors = parse_colors(args.colors)
+        edits["startup_preset"] = args.default
-        edits["colors"] = colors
 
-    # Add n1-n8 parameters
+    # 1. Download: get current settings from device
-    for i in range(1, 9):
-        attr_name = f"n{i}"
-        value = getattr(args, attr_name, None)
-        if value is not None:
-            edits[attr_name] = value
-
-    # Download current settings (unless --no-download is specified and not showing)
-    if args.no_download and not args.show:
-        settings = {}
-    else:
     try:
         print(f"Downloading settings from {args.port}...", file=sys.stderr)
         settings = download_settings(args.port)
@@ -382,26 +464,21 @@ Examples:
             print(f"Error downloading settings: {e}", file=sys.stderr)
         sys.exit(1)
 
-    # If --show is set, print current settings. If there are no edits, exit afterwards.
+    # If --show only, print and exit
     if args.show:
         print_settings(settings)
         if not edits:
             return
 
-    # Apply edits
+    # 2. Edit: apply edits to downloaded settings
     if edits:
         print(f"Applying {len(edits)} edit(s)...", file=sys.stderr)
         settings.update(edits)
-        # Handle colors specially - convert list of tuples to format expected by device
-        if "colors" in edits:
-            # Store colors as list of lists for JSON serialization
-            settings["colors"] = [list(c) for c in edits["colors"]]
 
-    # Print settings
     print_settings(settings)
 
-    # Upload if edits were made and --no-upload is not specified
+    # 3. Upload: write settings back to device when edits were made
-    if edits and not args.no_upload:
+    if edits:
         try:
             print(f"\nUploading settings to {args.port}...", file=sys.stderr)
             upload_settings(args.port, settings)
@@ -412,8 +489,6 @@ Examples:
             else:
                 print(f"Error uploading settings: {e}", file=sys.stderr)
             sys.exit(1)
-    elif edits and args.no_upload:
-        print("\nSettings modified but not uploaded (--no-upload specified).", file=sys.stderr)
 
 
 if __name__ == "__main__":

lib/mpremote/mp_errno.py

@@ -1,5 +1,9 @@
 import errno
-import platform
+
+try:
+    import platform
+except Exception:  # MicroPython or restricted envs
+    platform = None
 
 # This table maps numeric values defined by `py/mperrno.h` to host errno code.
 MP_ERRNO_TABLE = {
@@ -51,5 +55,5 @@ MP_ERRNO_TABLE = {
     115: errno.EINPROGRESS,
     125: errno.ECANCELED,
 }
-if platform.system() != "Windows":
+if (platform.system() if platform else None) != "Windows":
     MP_ERRNO_TABLE[15] = errno.ENOTBLK