Remove color order

This reverts commit f53c57f036.

src/main.py

@@ -15,29 +15,37 @@ async def main():
     settings = Settings()
 
     patterns = Patterns(settings["led_pin"], settings["num_leds"], selected=settings["pattern"])
-    if settings["color_order"] == "rbg": color_order = (1, 5, 3)
-    if settings["color_order"] == "grb": color_order = (3, 1, 5)
-    else: color_order = (1, 3, 5)
+    
     patterns.colors = [(8,0,0)]
 
+    # Initialize WDT only if debug is disabled
+    wdt = None
+    if not settings.get("debug", False):
+        wdt = machine.WDT(timeout=10000)
+        wdt.feed()
+        print("Watchdog timer enabled")
+    else:
+        print("Debug mode: Watchdog timer disabled")
+
     async def system():
         while True:
             gc.collect()
-            for i in range(60):
-                wdt.feed()
-                await asyncio.sleep(1)
+            if wdt is not None:
+                for i in range(60):
+                    wdt.feed()
+                    await asyncio.sleep(1)
+            else:
+                # If WDT is disabled, just sleep
+                await asyncio.sleep(60)
 
     w = web(settings, patterns)
     print(settings)
     # start the server in a bacakground task
     print("Starting")
     server = asyncio.create_task(w.start_server(host="0.0.0.0", port=80))
-    wdt = machine.WDT(timeout=10000)
-    wdt.feed()
 
     asyncio.create_task(p2p(settings, patterns))
     asyncio.create_task(system())
-    patterns.select(settings["pattern"])
     await patterns.run()
 
 

src/presets.py

@@ -0,0 +1,31 @@
+import json
+import wifi
+import ubinascii
+import machine
+
+class Presets(dict):
+    FILE = "/presets.json"
+
+    def __init__(self):
+        super().__init__()
+        self.load()  # Load settings from file during initialization
+           
+    def save(self):
+        try:
+            j = json.dumps(self)
+            with open(self.FILE, 'w') as file:
+                file.write(j)
+            print("Presets saved successfully.")
+        except Exception as e:
+            print(f"Error saving settings: {e}")
+
+    def load(self):
+        try:
+            with open(self.FILE, 'r') as file:
+                self.update(json.load(file))
+            print("Presets loaded successfully.")
+        except Exception as e:
+            print(f"Error loading presets")
+            self.save()
+
+    

src/settings.py

@@ -9,34 +9,19 @@ class Settings(dict):
     def __init__(self):
         super().__init__()
         self.load()  # Load settings from file during initialization
-        self.color_order = self._get_color_order(self.get("color_order", "rgb"))
-    
-    def _get_color_order(self, order):
-        """Convert color order string to tuple of hex string indices.
-        Hex string format: #RRGGBB where indices are 1, 3, 5 (0-indexed).
-        Returns tuple (R_index, G_index, B_index) for hex string parsing."""
-        color_orders = {
-            "rgb": (1, 3, 5),  # Red at 1, Green at 3, Blue at 5
-            "rbg": (1, 5, 3),  # Red at 1, Blue at 5, Green at 3
-            "grb": (3, 1, 5),  # Green at 3, Red at 1, Blue at 5
-            "gbr": (3, 5, 1),  # Green at 3, Blue at 5, Red at 1
-            "brg": (5, 1, 3),  # Blue at 5, Red at 1, Green at 3
-            "bgr": (5, 3, 1),  # Blue at 5, Green at 3, Red at 1
-        }
-        return color_orders.get(order.lower(), (1, 3, 5))  # Default to RGB
+        self.color_order = self.get_color_order(self["color_order"])
 
     def set_defaults(self):
         self["led_pin"] = 10
         self["num_leds"] = 50
         self["pattern"] = "on"
-        self["color1"] = "#00ff00"
-        self["color2"] = "#ff0000"
         self["delay"] = 100
         self["brightness"] = 10
         self["color_order"] = "rgb"
         self["name"] = f"led-{ubinascii.hexlify(wifi.get_mac()).decode()}"
         self["ap_password"] = ""
         self["id"] = 0
+        self["debug"] = False
 
     def save(self):
         try:
@@ -97,7 +82,8 @@ class Settings(dict):
                     self.save()
                     machine.reset()
                 elif key == "color_order":
-                    self.color_order = self._get_color_order(value)
+                    self["color_order"] = value
+                    self.color_order = self.get_color_order(value)
                     pass
                 elif key == "id":
                     pass
@@ -114,6 +100,18 @@ class Settings(dict):
         except (KeyError, ValueError):
             return "Bad request", 400
 
+    def get_color_order(self, color_order):
+        """Convert color order string to tuple of hex string indices."""
+        color_orders = {
+            "rgb": (1, 3, 5),
+            "rbg": (1, 5, 3),
+            "grb": (3, 1, 5),
+            "gbr": (3, 5, 1),
+            "brg": (5, 1, 3),
+            "bgr": (5, 3, 1)
+        }
+        return color_orders.get(color_order.lower(), (1, 3, 5))  # Default to RGB
+
 # Example usage
 def main():
     settings = Settings()

src/static/main.css

@@ -107,3 +107,57 @@ input[type="range"]::-moz-range-thumb {
     margin-right: 10px;
     vertical-align: middle; /* Aligns them nicely if heights vary */
 }
+
+#colors_palette {
+    margin-bottom: 20px;
+}
+
+#colors_container {
+    display: flex;
+    flex-wrap: wrap;
+    gap: 10px;
+    margin-bottom: 10px;
+}
+
+.color-item {
+    display: flex;
+    align-items: center;
+    gap: 5px;
+}
+
+.color-input {
+    width: 60px !important;
+    height: 40px;
+    border: 2px solid #ddd;
+    border-radius: 4px;
+    cursor: pointer;
+}
+
+.remove-color-btn {
+    background-color: #f44336;
+    color: white;
+    border: none;
+    border-radius: 4px;
+    width: 30px;
+    height: 30px;
+    cursor: pointer;
+    font-size: 18px;
+    line-height: 1;
+}
+
+.remove-color-btn:hover {
+    background-color: #da190b;
+}
+
+#add_color_btn {
+    background-color: #4caf50;
+    color: white;
+    border: none;
+    padding: 8px 16px;
+    border-radius: 4px;
+    cursor: pointer;
+}
+
+#add_color_btn:hover {
+    background-color: #45a049;
+}

src/static/main.js

@@ -1,7 +1,6 @@
 let delayTimeout;
 let brightnessTimeout;
-let colorTimeout;
-let color2Timeout;
+let colorsTimeout;
 let ws; // Variable to hold the WebSocket connection
 let connectionStatusElement; // Variable to hold the connection status element
 
@@ -98,22 +97,60 @@ async function get(path) {
   }
 }
 
-async function updateColor(event) {
-  event.preventDefault();
-  clearTimeout(colorTimeout);
-  colorTimeout = setTimeout(function () {
-    const color = document.getElementById("color").value;
-    sendWebSocketData({ color1: color });
+function updateColors() {
+  clearTimeout(colorsTimeout);
+  colorsTimeout = setTimeout(function () {
+    const colorInputs = document.querySelectorAll(".color-input");
+    const colors = Array.from(colorInputs).map(input => input.value);
+    sendWebSocketData({ colors: colors });
   }, 500);
 }
 
-async function updateColor2(event) {
-  event.preventDefault();
-  clearTimeout(color2Timeout);
-  color2Timeout = setTimeout(function () {
-    const color = document.getElementById("color2").value;
-    sendWebSocketData({ color2: color });
-  }, 500);
+function addColorInput(color = "#ff0000") {
+  const container = document.getElementById("colors_container");
+  const colorDiv = document.createElement("div");
+  colorDiv.className = "color-item";
+  
+  const colorInput = document.createElement("input");
+  colorInput.type = "color";
+  colorInput.className = "color-input";
+  colorInput.value = color;
+  colorInput.addEventListener("input", updateColors);
+  
+  const removeBtn = document.createElement("button");
+  removeBtn.type = "button";
+  removeBtn.textContent = "×";
+  removeBtn.className = "remove-color-btn";
+  removeBtn.addEventListener("click", function() {
+    colorDiv.remove();
+    updateColors();
+  });
+  
+  colorDiv.appendChild(colorInput);
+  colorDiv.appendChild(removeBtn);
+  container.appendChild(colorDiv);
+}
+
+function initializeColors(initialColors = null) {
+  const container = document.getElementById("colors_container");
+  container.innerHTML = "";
+  // Get initial colors from data attribute or use defaults
+  if (initialColors === null) {
+    const colorsData = document.getElementById("colors_container").dataset.colors;
+    if (colorsData) {
+      try {
+        initialColors = JSON.parse(colorsData);
+      } catch (e) {
+        initialColors = ["#ff0000", "#00ff00"];
+      }
+    } else {
+      initialColors = ["#ff0000", "#00ff00"];
+    }
+  }
+  if (initialColors.length === 0) {
+    initialColors = ["#ff0000"];
+  }
+  initialColors.forEach(color => addColorInput(color));
 }
 
 async function updatePattern(pattern) {
@@ -198,8 +235,11 @@ document.addEventListener("DOMContentLoaded", async function () {
   // Establish WebSocket connection on page load
   connectWebSocket();
 
-  document.getElementById("color").addEventListener("input", updateColor);
-  document.getElementById("color2").addEventListener("input", updateColor2);
+  // Initialize colors palette
+  initializeColors();
+  document.getElementById("add_color_btn").addEventListener("click", function() {
+    addColorInput();
+  });
   document.getElementById("delay").addEventListener("input", updateDelay);
   document
     .getElementById("brightness")

src/templates/index.html

@@ -1,4 +1,4 @@
-{% args settings, patterns %}
+{% args settings, patterns, colors_json, mac %}
 <!doctype html>
 <html lang="en">
     <head>
@@ -46,22 +46,13 @@
                     step="1"
                 />
             </form>
-            <form id="color_form" method="post" action="/color">
-                <input
-                    type="color"
-                    id="color"
-                    name="color"
-                    value="{{settings['color1']}}"
-                />
-            </form>
-            <form id="color2_form" method="post" action="/color2">
-                <input
-                    type="color"
-                    id="color2"
-                    name="color2"
-                    value="{{settings['color2']}}"
-                />
-            </form>
+            <div id="colors_palette">
+                <label>Colors:</label>
+                <div id="colors_container" data-colors='{{colors_json}}'>
+                    <!-- Color inputs will be added here dynamically -->
+                </div>
+                <button type="button" id="add_color_btn">+ Add Color</button>
+            </div>
         </div>
 
         <!-- Settings Menu for num_leds, Wi-Fi SSID, and Password -->
@@ -111,20 +102,13 @@
                 <input type="submit" value="Update Led Pin" />
             </form>
             <form id="color_order_form">
-                <label>Color Order:</label><br>
+                <label for="rgb">RGB:</label>
                 <input type="radio" id="rgb" name="color_order" value="rgb" {{'checked' if settings["color_order"]=="rgb" else ''}} />
-                <label for="rgb">RGB</label>
-                <input type="radio" id="rbg" name="color_order" value="rbg" {{'checked' if settings["color_order"]=="rbg" else ''}}/>
                 <label for="rbg">RBG</label>
-                <input type="radio" id="grb" name="color_order" value="grb" {{'checked' if settings["color_order"]=="grb" else ''}}/>
-                <label for="grb">GRB</label>
-                <input type="radio" id="gbr" name="color_order" value="gbr" {{'checked' if settings["color_order"]=="gbr" else ''}}/>
-                <label for="gbr">GBR</label>
-                <input type="radio" id="brg" name="color_order" value="brg" {{'checked' if settings["color_order"]=="brg" else ''}}/>
-                <label for="brg">BRG</label>
-                <input type="radio" id="bgr" name="color_order" value="bgr" {{'checked' if settings["color_order"]=="bgr" else ''}}/>
-                <label for="bgr">BGR</label>
+                <input type="radio" id="rbg" name="color_order" value="rbg" {{'checked' if settings["color_order"]=="rbg" else ''}}/>
             </form>
+
+            <p>Mac address: {{mac}}</p>
         </div>
         <div id="connection-status"></div>
     </body>

src/web.py

@@ -12,7 +12,19 @@ def web(settings, patterns):
     @app.route('/')
     async def index_hnadler(request):
         mac = wifi.get_mac().hex()
-        return Template('index.html').render(settings=settings, patterns=patterns.patterns.keys())
+        # Convert colors from RGB tuples to hex strings for display
+        colors_hex = []
+        for color in patterns.colors:
+            # Convert (R, G, B) tuple to #RRGGBB hex string
+            colors_hex.append(f"#{color[0]:02x}{color[1]:02x}{color[2]:02x}")
+        # Convert to JSON string for data attribute
+        colors_json = json.dumps(colors_hex)
+        return Template('index.html').render(
+            settings, 
+            patterns.patterns.keys(),
+            colors_json,
+            mac
+        )
 
     @app.route("/static/<path:path>")
     def static_handler(request, path):

test/circle.py

@@ -0,0 +1,63 @@
+#!/usr/bin/env python3
+"""
+Circle test: n1=50, n2=100, n3=200, n4=0 (Red)
+Runs forever
+Run with: mpremote run test/circle.py
+"""
+
+import patterns
+import utime
+import _thread
+from settings import Settings
+from machine import WDT
+
+print("Starting Circle Test: n1=50, n2=100, n3=200, n4=0 (Red)")
+print("Press Ctrl+C to stop")
+
+# Load settings
+settings = Settings()
+
+# Initialize patterns using settings
+p = patterns.Patterns(
+    pin=settings["led_pin"], 
+    num_leds=settings["num_leds"], 
+    brightness=255,
+    delay=2000
+)
+
+# Configure test parameters
+p.n1 = 50   # Head moves 50 LEDs/second
+p.n2 = 100  # Max length 100 LEDs
+p.n3 = 200  # Tail moves 200 LEDs/second
+p.n4 = 0    # Min length 0 LEDs
+p.colors = [(255, 0, 0)]  # Red
+
+print(f"LED Pin: {settings['led_pin']}")
+print(f"LEDs: {settings['num_leds']}")
+print(f"Brightness: {p.brightness}")
+print(f"Parameters: n1={p.n1}, n2={p.n2}, n3={p.n3}, n4={p.n4}")
+print(f"Color: {p.colors[0]}")
+
+# Initialize watchdog timer
+wdt = WDT(timeout=10000)
+wdt.feed()
+
+# Start pattern
+p.select("circle")
+if p.selected in p.patterns:
+    _thread.start_new_thread(p.patterns[p.selected], ())
+    print("Pattern started. Running forever...")
+else:
+    print(f"Pattern {p.selected} not found")
+
+# Run forever
+try:
+    while True:
+        wdt.feed()
+        utime.sleep_ms(100)
+except KeyboardInterrupt:
+    print("\nStopping...")
+    p.running = False
+    p.off()
+    print("LEDs turned off")
+

test/patterns/n_chase.py

@@ -141,3 +141,4 @@ if __name__ == "__main__":
 
 
 
+

test/test_patterns_save_load.py

@@ -108,3 +108,4 @@ async def test_patterns_save_load():
 if __name__ == "__main__":
     asyncio.run(test_patterns_save_load())
 
+

test/test_save_load.py

@@ -109,3 +109,4 @@ def test_save_load():
 if __name__ == "__main__":
     test_save_load()
 
+

tool.py

@@ -0,0 +1,335 @@
+#!/usr/bin/env python3
+"""
+LED Bar Configuration Tool
+A tkinter GUI for downloading, editing, and uploading settings.json to/from MicroPython devices via mpremote.
+"""
+
+import tkinter as tk
+from tkinter import ttk, messagebox, filedialog
+import json
+import subprocess
+import os
+import tempfile
+import serial
+from pathlib import Path
+
+
+class LEDConfigTool:
+    def __init__(self, root):
+        self.root = root
+        self.root.title("LED Bar Configuration Tool")
+        self.root.geometry("600x700")
+        
+        self.settings = {}
+        self.temp_file = None
+        
+        # Create main frame
+        main_frame = ttk.Frame(root, padding="10")
+        main_frame.grid(row=0, column=0, sticky=(tk.W, tk.E, tk.N, tk.S))
+        
+        # Title
+        title_label = ttk.Label(main_frame, text="LED Bar Configuration", font=("Arial", 16, "bold"))
+        title_label.grid(row=0, column=0, columnspan=2, pady=(0, 20))
+        
+        # Device connection section
+        device_frame = ttk.LabelFrame(main_frame, text="Device Connection", padding="10")
+        device_frame.grid(row=1, column=0, columnspan=2, sticky=(tk.W, tk.E), pady=(0, 10))
+        
+        ttk.Label(device_frame, text="Device:").grid(row=0, column=0, sticky=tk.W, padx=(0, 5))
+        self.device_entry = ttk.Entry(device_frame, width=30)
+        self.device_entry.insert(0, "/dev/ttyACM0")  # Default device
+        self.device_entry.grid(row=0, column=1, sticky=(tk.W, tk.E), padx=(0, 10))
+        
+        ttk.Button(device_frame, text="Download Settings", command=self.download_settings).grid(row=0, column=2)
+        
+        # Settings section
+        settings_frame = ttk.LabelFrame(main_frame, text="Settings", padding="10")
+        settings_frame.grid(row=2, column=0, columnspan=2, sticky=(tk.W, tk.E, tk.N, tk.S), pady=(0, 10))
+        
+        # Create scrollable frame for settings
+        canvas = tk.Canvas(settings_frame, height=400)
+        scrollbar = ttk.Scrollbar(settings_frame, orient="vertical", command=canvas.yview)
+        scrollable_frame = ttk.Frame(canvas)
+        
+        scrollable_frame.bind(
+            "<Configure>",
+            lambda e: canvas.configure(scrollregion=canvas.bbox("all"))
+        )
+        
+        canvas.create_window((0, 0), window=scrollable_frame, anchor="nw")
+        canvas.configure(yscrollcommand=scrollbar.set)
+        
+        # Settings fields
+        self.setting_widgets = {}
+        settings_config = [
+            ("led_pin", "LED Pin", "number"),
+            ("num_leds", "Number of LEDs", "number"),
+            ("color_order", "Color Order", "choice", ["rgb", "rbg", "grb", "gbr", "brg", "bgr"]),
+            ("name", "Device Name", "text"),
+            ("pattern", "Pattern", "text"),
+            ("delay", "Delay (ms)", "number"),
+            ("brightness", "Brightness", "number"),
+            ("n1", "N1", "number"),
+            ("n2", "N2", "number"),
+            ("n3", "N3", "number"),
+            ("n4", "N4", "number"),
+            ("n5", "N5", "number"),
+            ("n6", "N6", "number"),
+            ("ap_password", "AP Password", "text"),
+            ("id", "ID", "number"),
+            ("debug", "Debug Mode", "choice", ["True", "False"]),
+        ]
+        
+        for idx, config in enumerate(settings_config):
+            key = config[0]
+            label_text = config[1]
+            field_type = config[2]
+            
+            ttk.Label(scrollable_frame, text=f"{label_text}:").grid(row=idx, column=0, sticky=tk.W, padx=(0, 10), pady=5)
+            
+            if field_type == "number":
+                widget = ttk.Entry(scrollable_frame, width=20)
+            elif field_type == "choice":
+                widget = ttk.Combobox(scrollable_frame, width=17, values=config[3], state="readonly")
+            elif field_type == "color":
+                widget = ttk.Entry(scrollable_frame, width=20)
+            else:  # text
+                widget = ttk.Entry(scrollable_frame, width=20)
+            
+            widget.grid(row=idx, column=1, sticky=(tk.W, tk.E), pady=5)
+            self.setting_widgets[key] = widget
+        
+        canvas.grid(row=0, column=0, sticky=(tk.W, tk.E, tk.N, tk.S))
+        scrollbar.grid(row=0, column=1, sticky=(tk.N, tk.S))
+        settings_frame.grid_rowconfigure(0, weight=1)
+        settings_frame.grid_columnconfigure(0, weight=1)
+        
+        # Buttons section
+        button_frame = ttk.Frame(main_frame)
+        button_frame.grid(row=3, column=0, columnspan=2, pady=(10, 0))
+        
+        ttk.Button(button_frame, text="Load from File", command=self.load_from_file).grid(row=0, column=0, padx=5)
+        ttk.Button(button_frame, text="Save to File", command=self.save_to_file).grid(row=0, column=1, padx=5)
+        ttk.Button(button_frame, text="Upload Settings", command=self.upload_settings).grid(row=0, column=2, padx=5)
+        
+        # Status bar
+        self.status_label = ttk.Label(main_frame, text="Ready", relief=tk.SUNKEN, anchor=tk.W)
+        self.status_label.grid(row=4, column=0, columnspan=2, sticky=(tk.W, tk.E), pady=(10, 0))
+        
+        # Configure grid weights
+        root.columnconfigure(0, weight=1)
+        root.rowconfigure(0, weight=1)
+        main_frame.columnconfigure(0, weight=1)
+        main_frame.rowconfigure(2, weight=1)
+        device_frame.columnconfigure(1, weight=1)
+    
+    def update_status(self, message):
+        """Update the status bar message."""
+        self.status_label.config(text=message)
+        self.root.update_idletasks()
+    
+    def download_settings(self):
+        """Download settings.json from the device using mpremote."""
+        device = self.device_entry.get().strip()
+        if not device:
+            messagebox.showerror("Error", "Please specify a device")
+            return
+        
+        self.update_status("Downloading settings...")
+        
+        try:
+            # Create temporary file
+            self.temp_file = tempfile.NamedTemporaryFile(mode='w', suffix='.json', delete=False)
+            temp_path = self.temp_file.name
+            self.temp_file.close()
+            
+            # Download file using mpremote
+            cmd = ["mpremote", "connect", device, "cp", ":/settings.json", temp_path]
+            result = subprocess.run(cmd, capture_output=True, text=True, timeout=10)
+            
+            if result.returncode != 0:
+                raise Exception(f"mpremote error: {result.stderr}")
+            
+            # Load the downloaded file
+            with open(temp_path, 'r') as f:
+                self.settings = json.load(f)
+            
+            # Update UI with loaded settings
+            self.update_ui_from_settings()
+            
+            self.update_status(f"Settings downloaded successfully from {device}")
+            messagebox.showinfo("Success", "Settings downloaded successfully!")
+            
+        except subprocess.TimeoutExpired:
+            self.update_status("Error: Connection timeout")
+            messagebox.showerror("Error", "Connection timeout. Check device connection.")
+        except FileNotFoundError:
+            self.update_status("Error: mpremote not found")
+            messagebox.showerror("Error", "mpremote not found. Please install it:\npip install mpremote")
+        except Exception as e:
+            self.update_status(f"Error: {str(e)}")
+            messagebox.showerror("Error", f"Failed to download settings:\n{str(e)}")
+        finally:
+            # Clean up temp file
+            if self.temp_file and os.path.exists(temp_path):
+                try:
+                    os.unlink(temp_path)
+                except:
+                    pass
+    
+    def upload_settings(self):
+        """Upload settings.json to the device using mpremote."""
+        device = self.device_entry.get().strip()
+        if not device:
+            messagebox.showerror("Error", "Please specify a device")
+            return
+        
+        if not self.settings:
+            messagebox.showerror("Error", "No settings to upload. Please download or load settings first.")
+            return
+        
+        self.update_status("Uploading settings...")
+        
+        try:
+            # Get current settings from UI
+            self.update_settings_from_ui()
+            
+            # Create temporary file with current settings
+            temp_file = tempfile.NamedTemporaryFile(mode='w', suffix='.json', delete=False)
+            temp_path = temp_file.name
+            json.dump(self.settings, temp_file, indent=2)
+            temp_file.close()
+            
+            # Upload file using mpremote
+            cmd = ["mpremote", "connect", device, "cp", temp_path, ":/settings.json"]
+            result = subprocess.run(cmd, capture_output=True, text=True, timeout=10)
+            
+            if result.returncode != 0:
+                raise Exception(f"mpremote error: {result.stderr}")
+            
+            # Reset the device
+            self.update_status("Resetting device...")
+            try:
+                with serial.Serial(device, baudrate=115200) as ser:
+                    ser.write(b'\x03\x03\x04')
+            except Exception as e:
+                # If serial reset fails, try mpremote method as fallback
+                reset_cmd = ["mpremote", "connect", device, "exec", "import machine; machine.reset()"]
+                subprocess.run(reset_cmd, capture_output=True, text=True, timeout=5)
+            
+            self.update_status(f"Settings uploaded and device reset on {device}")
+            messagebox.showinfo("Success", "Settings uploaded successfully and device reset!")
+            
+        except subprocess.TimeoutExpired:
+            self.update_status("Error: Connection timeout")
+            messagebox.showerror("Error", "Connection timeout. Check device connection.")
+        except FileNotFoundError:
+            self.update_status("Error: mpremote not found")
+            messagebox.showerror("Error", "mpremote not found. Please install it:\npip install mpremote")
+        except Exception as e:
+            self.update_status(f"Error: {str(e)}")
+            messagebox.showerror("Error", f"Failed to upload settings:\n{str(e)}")
+        finally:
+            # Clean up temp file
+            if os.path.exists(temp_path):
+                try:
+                    os.unlink(temp_path)
+                except:
+                    pass
+    
+    def load_from_file(self):
+        """Load settings from a local JSON file."""
+        file_path = filedialog.askopenfilename(
+            title="Load Settings",
+            filetypes=[("JSON files", "*.json"), ("All files", "*.*")]
+        )
+        
+        if not file_path:
+            return
+        
+        try:
+            with open(file_path, 'r') as f:
+                self.settings = json.load(f)
+            
+            self.update_ui_from_settings()
+            self.update_status(f"Settings loaded from {os.path.basename(file_path)}")
+            messagebox.showinfo("Success", "Settings loaded successfully!")
+            
+        except Exception as e:
+            self.update_status(f"Error: {str(e)}")
+            messagebox.showerror("Error", f"Failed to load settings:\n{str(e)}")
+    
+    def save_to_file(self):
+        """Save current settings to a local JSON file."""
+        if not self.settings:
+            messagebox.showerror("Error", "No settings to save. Please download or load settings first.")
+            return
+        
+        file_path = filedialog.asksaveasfilename(
+            title="Save Settings",
+            defaultextension=".json",
+            filetypes=[("JSON files", "*.json"), ("All files", "*.*")]
+        )
+        
+        if not file_path:
+            return
+        
+        try:
+            # Get current settings from UI
+            self.update_settings_from_ui()
+            
+            with open(file_path, 'w') as f:
+                json.dump(self.settings, f, indent=2)
+            
+            self.update_status(f"Settings saved to {os.path.basename(file_path)}")
+            messagebox.showinfo("Success", "Settings saved successfully!")
+            
+        except Exception as e:
+            self.update_status(f"Error: {str(e)}")
+            messagebox.showerror("Error", f"Failed to save settings:\n{str(e)}")
+    
+    def update_ui_from_settings(self):
+        """Update UI widgets with current settings values."""
+        for key, widget in self.setting_widgets.items():
+            if key in self.settings:
+                value = self.settings[key]
+                if isinstance(widget, ttk.Combobox):
+                    # For debug, convert boolean to string
+                    if key == "debug":
+                        widget.set(str(value))
+                    else:
+                        widget.set(str(value))
+                else:
+                    widget.delete(0, tk.END)
+                    widget.insert(0, str(value))
+    
+    def update_settings_from_ui(self):
+        """Update settings dictionary from UI widget values."""
+        for key, widget in self.setting_widgets.items():
+            value = widget.get().strip()
+            if value:
+                # Try to convert to appropriate type
+                if key in ["led_pin", "num_leds", "delay", "brightness", "id", "n1", "n2", "n3", "n4", "n5", "n6"]:
+                    try:
+                        self.settings[key] = int(value)
+                    except ValueError:
+                        pass  # Keep as string if conversion fails
+                elif key == "debug":
+                    # Convert string "True"/"False" to boolean
+                    self.settings[key] = value == "True"
+                else:
+                    self.settings[key] = value
+            elif key in self.settings:
+                # Keep existing value if widget is empty
+                pass
+
+
+def main():
+    root = tk.Tk()
+    app = LEDConfigTool(root)
+    root.mainloop()
+
+
+if __name__ == "__main__":
+    main()
+