fix(cli): skip redundant settings uploads when unchanged

Only upload settings when edited values differ from current device settings to avoid unnecessary resets.

Co-authored-by: Cursor <cursoragent@cursor.com>

README.md

@@ -11,6 +11,7 @@ Connection is always via **`-p` / `--port`** (default `/dev/ttyACM0`). There is
 | `-p`, `--port` | Serial device (default `/dev/ttyACM0`) |
 | `-s`, `--show` | Print current settings from the device |
 | `-n`, `--name` | Device **name** |
+| `--reset-device-name` | Set **name** to firmware default (`led-` + STA MAC hex, same as `Settings.set_defaults` on led-driver) |
 | `--id` | Numeric device id (ESP-NOW, 0–255) |
 | `--pin` | LED GPIO (`led_pin`) |
 | `-b`, `--brightness` | Brightness 0–255 |

cli.py

@@ -11,11 +11,12 @@ import argparse
 import subprocess
 import sys
 import time
+import shutil
 from typing import Dict, Any, List, Optional
 
 import tempfile
 import os
-from device import copy_file, DeviceConnection
+from device import copy_file, DeviceConnection, firmware_default_device_name
 
 
 def resolve_flash_binary(path: str) -> Optional[str]:
@@ -147,7 +148,7 @@ _FLAGS_WITH_VALUE = frozenset({
     '-p', '--port', '-n', '--name', '--pin', '-b', '--brightness',
     '-l', '--leds', '-d', '-debug', '--debug', '-o', '--order',
     '--preset', '--pattern', '--default', '--transport', '--ssid',
-    '--wifi-password', '--wifi-channel',
+    '--wifi-password', '--wifi-channel', '--src', '--lib', '--patterns', '--paterns',
 })
 
 
@@ -201,8 +202,24 @@ def _get_ordered_actions(argv: List[str]) -> List[tuple]:
                 i += 2
             else:
                 i += 1
-            # Use empty string as remote_dir to map to root on device
+            # Upload source tree excluding patterns/ (handled by --patterns).
-            actions.append(('upload', [local_dir, ""]))
+            actions.append(('upload_src_no_patterns', local_dir))
+            continue
+        if arg in ('--patterns', '--paterns'):
+            # Upload local patterns DIR (default: ./src/patterns) to /patterns.
+            local_dir = os.path.join("src", "patterns")
+            if i + 1 < len(argv) and not argv[i + 1].startswith('-'):
+                local_dir = argv[i + 1]
+                i += 2
+            else:
+                i += 1
+            actions.append(('upload', [local_dir, "patterns"]))
+            continue
+        if arg == '--all':
+            actions.append(('upload_src_no_patterns', "src"))
+            actions.append(('upload', [os.path.join("src", "patterns"), "patterns"]))
+            actions.append(('upload', ["lib", "lib"]))
+            i += 1
             continue
         if arg == '--lib':
             # Upload local DIR (default: ./lib) to /lib on device
@@ -222,6 +239,10 @@ def _get_ordered_actions(argv: List[str]) -> List[tuple]:
             actions.append(('erase_all', None))
             i += 1
             continue
+        if arg == '--erase':
+            actions.append(('erase_all', None))
+            i += 1
+            continue
         if arg == '--rm':
             if i + 1 < len(argv):
                 actions.append(('rm', argv[i + 1]))
@@ -288,6 +309,9 @@ Examples:
 
   # Set name, num_leds, default pattern, and upload
   %(prog)s --name "MyStrip" -l 60 --default rainbow
+
+  # Reset logical device name to firmware default (STA MAC based)
+  %(prog)s --reset-device-name
         """
     )
 
@@ -302,6 +326,12 @@ Examples:
         help="Device name"
     )
 
+    parser.add_argument(
+        "--reset-device-name",
+        action="store_true",
+        help="Set name to firmware default (led-<STA MAC hex>, same as fresh settings.json on led-driver)",
+    )
+
     parser.add_argument(
         "--id",
         dest="device_id",
@@ -434,7 +464,7 @@ Examples:
         nargs="?",
         const="src",
         metavar="DIR",
-        help="Upload DIR recursively to device root (:/, no leading directory). If DIR is omitted, uses local ./src."
+        help="Upload DIR recursively to device root (:/, no leading directory), excluding patterns/. If DIR is omitted, uses local ./src."
     )
 
     parser.add_argument(
@@ -445,6 +475,21 @@ Examples:
         help="Upload DIR recursively to /lib on device. If DIR is omitted, uses local ./lib."
     )
 
+    parser.add_argument(
+        "--all",
+        action="store_true",
+        help="Upload ./src (excluding patterns), ./src/patterns, and ./lib."
+    )
+
+    parser.add_argument(
+        "--patterns", "--paterns",
+        dest="patterns_dir",
+        nargs="?",
+        const=os.path.join("src", "patterns"),
+        metavar="DIR",
+        help="Upload DIR recursively to /patterns on device. If DIR is omitted, uses local ./src/patterns."
+    )
+
     parser.add_argument(
         "--ls",
         action="store_true",
@@ -452,7 +497,7 @@ Examples:
     )
 
     parser.add_argument(
-        "-e",
+        "-e", "--erase",
         dest="erase_all",
         action="store_true",
         help="Erase all code on the device (delete all files except settings.json)"
@@ -539,6 +584,38 @@ Examples:
             except Exception as e:
                 print(f"Error uploading directory: {e}", file=sys.stderr)
                 sys.exit(1)
+        elif action_name == 'upload_src_no_patterns':
+            src_dir = value
+            if not os.path.exists(src_dir):
+                print(f"Error: Directory does not exist: {src_dir}", file=sys.stderr)
+                sys.exit(1)
+            if not os.path.isdir(src_dir):
+                print(f"Error: Not a directory: {src_dir}", file=sys.stderr)
+                sys.exit(1)
+            try:
+                with tempfile.TemporaryDirectory() as temp_src:
+                    for entry in sorted(os.listdir(src_dir)):
+                        if entry == "patterns":
+                            continue
+                        src_entry = os.path.join(src_dir, entry)
+                        dst_entry = os.path.join(temp_src, entry)
+                        if os.path.isdir(src_entry):
+                            shutil.copytree(src_entry, dst_entry)
+                        else:
+                            shutil.copy2(src_entry, dst_entry)
+                    print(
+                        f"Uploading {src_dir} (excluding patterns/) to device root on {port}...",
+                        file=sys.stderr,
+                    )
+                    conn = DeviceConnection(port)
+                    files_copied, dirs_created = conn.upload_directory(temp_src, "")
+                    print(
+                        f"Upload complete: {files_copied} files, {dirs_created} directories created.",
+                        file=sys.stderr,
+                    )
+            except Exception as e:
+                print(f"Error uploading src (excluding patterns): {e}", file=sys.stderr)
+                sys.exit(1)
 
         elif action_name == 'ls':
             try:
@@ -594,11 +671,35 @@ Examples:
                 sys.exit(1)
             return  # follow blocks; when interrupted we're done
 
+    default_name_from_device: Optional[str] = None
+    if args.reset_device_name:
+        if args.name is not None:
+            print(
+                "Error: use either --name or --reset-device-name, not both.",
+                file=sys.stderr,
+            )
+            sys.exit(1)
+        try:
+            print(
+                f"Reading firmware default device name (STA MAC) on {port}...",
+                file=sys.stderr,
+            )
+            default_name_from_device = firmware_default_device_name(port)
+            print(
+                f"Default name will be {default_name_from_device!r}.",
+                file=sys.stderr,
+            )
+        except Exception as e:
+            print(f"Error: {e}", file=sys.stderr)
+            sys.exit(1)
+
     # Collect all edit parameters
     edits: Dict[str, Any] = {}
 
     if args.name is not None:
         edits["name"] = args.name
+    elif default_name_from_device is not None:
+        edits["name"] = default_name_from_device
 
     if args.pin is not None:
         edits["led_pin"] = args.pin
@@ -652,10 +753,18 @@ Examples:
         if not edits and args.preset is None:
             return
 
-    # 2. Edit: apply edits to downloaded settings
+    # 2. Edit: only apply/upload settings when values actually change
-    if edits:
+    changed_edits: Dict[str, Any] = {}
-        print(f"Applying {len(edits)} edit(s)...", file=sys.stderr)
+    for key, value in edits.items():
-        settings.update(edits)
+        if settings.get(key) != value:
+            changed_edits[key] = value
+
+    if edits and not changed_edits:
+        print("No settings changes detected; skipping settings upload.", file=sys.stderr)
+
+    if changed_edits:
+        print(f"Applying {len(changed_edits)} setting change(s)...", file=sys.stderr)
+        settings.update(changed_edits)
 
     print_settings(settings)
 
@@ -686,7 +795,7 @@ Examples:
             sys.exit(1)
 
     # 3b. Settings upload (resets device)
-    if edits:
+    if changed_edits:
         try:
             print(f"\nUploading settings to {args.port}...", file=sys.stderr)
             upload_settings(args.port, settings)

device.py

@@ -23,12 +23,15 @@ if lib_path not in sys.path and os.path.exists(lib_path):
     sys.path.insert(0, lib_path)
 
 from mpremote.transport_serial import SerialTransport
-from mpremote.transport import TransportError
+from mpremote.transport import TransportError, TransportExecError
 
 
 class DeviceConnection:
     """Wrapper for device communication."""
-    
+
+    #: Feed interval during uploads (led-driver uses WDT(timeout=10000) ms).
+    WDT_FEED_INTERVAL_SEC = 5.0
+
     def __init__(self, device):
         """Connect to a device."""
         self.device = device
@@ -53,7 +56,39 @@ class DeviceConnection:
             except Exception:
                 pass
             self.transport = None
-    
+
+    def _feed_wdt(self) -> None:
+        """Best-effort feed of the ESP task WDT between chunked FS writes."""
+        if self.transport is None:
+            return
+        try:
+            self.transport.exec(
+                "try:\n import machine\n machine.WDT(timeout=10000).feed()\nexcept Exception:\n pass\n"
+            )
+        except Exception:
+            pass
+
+    def _make_wdt_upload_progress_callback(self):
+        """Progress hook for Transport.fs_writefile: feed WDT every WDT_FEED_INTERVAL_SEC."""
+        last_feed = [time.monotonic()]
+
+        def progress(written: int, total: int) -> None:
+            now = time.monotonic()
+            if now - last_feed[0] >= self.WDT_FEED_INTERVAL_SEC:
+                self._feed_wdt()
+                last_feed[0] = now
+
+        return progress
+
+    def _fs_writefile_with_wdt(self, remote_path: str, data: bytes) -> None:
+        """Write file to device with periodic WDT feeds during long transfers."""
+        self._feed_wdt()
+        self.transport.fs_writefile(
+            remote_path,
+            data,
+            progress_callback=self._make_wdt_upload_progress_callback(),
+        )
+
     def copy_from_device(self, remote_path, local_path):
         """Copy a file from device to local filesystem."""
         self.connect()
@@ -70,7 +105,7 @@ class DeviceConnection:
         try:
             with open(local_path, 'rb') as f:
                 data = f.read()
-            self.transport.fs_writefile(remote_path, data)
+            self._fs_writefile_with_wdt(remote_path, data)
         finally:
             self.disconnect()
     
@@ -133,7 +168,7 @@ class DeviceConnection:
                     print(f"Uploading: {remote_file}", file=sys.stderr)
                     with open(local_file, 'rb') as f:
                         data = f.read()
-                    self.transport.fs_writefile(remote_file, data)
+                    self._fs_writefile_with_wdt(remote_file, data)
                     files_copied += 1
             
             return files_copied, dirs_created
@@ -235,6 +270,37 @@ class DeviceConnection:
             raise TransportError(f"Failed to follow output: {e}") from e
 
 
+def firmware_default_device_name(device: str) -> str:
+    """
+    Default logical device name on led-driver firmware: led-<sta_mac_hex>,
+    matching Settings.set_defaults() in led-driver/src/settings.py.
+    """
+    conn = DeviceConnection(device)
+    conn.connect()
+    try:
+        code = (
+            "import network, ubinascii\n"
+            "sta = network.WLAN(network.STA_IF)\n"
+            "sta.active(True)\n"
+            "mac = ubinascii.hexlify(sta.config('mac')).decode().lower()\n"
+            "print('led-' + mac)\n"
+        )
+        out = conn.transport.exec(code)
+    except TransportExecError as e:
+        raise RuntimeError(
+            "Could not read STA MAC from device (is this MicroPython with network?): "
+            + (e.error_output or str(e)).strip()
+        ) from e
+    finally:
+        conn.disconnect()
+    text = out.decode("utf-8", errors="replace").strip()
+    for line in reversed(text.splitlines()):
+        line = line.strip()
+        if line.startswith("led-"):
+            return line
+    raise RuntimeError("Device did not return a led-<mac> default name")
+
+
 def copy_file(from_device, device, remote_path, local_path):
     """
     Copy a file to/from device.