Save settings between powers cycles

settings.py

@@ -0,0 +1,55 @@
+import json
+import os
+import uasyncio as asyncio
+
+class Settings(dict):
+    SETTINGS_FILE = "/settings.json"
+
+    def __init__(self):
+        super().__init__()
+        self.load()  # Load settings from file during initialization
+
+    def set_defaults(self):
+        self["num_leds"] = 50
+        self["selected_pattern"] = "blink"
+        self["color1"] = "#000f00"
+        self["color2"] = "#0f0000"
+        self["delay"] = 100
+        self["brightness"] = 100
+        self["wifi"] = {"ssid": "", "password": ""}
+
+    def save(self):
+        try:
+            j = json.dumps(self)
+            with open(self.SETTINGS_FILE, 'w') as file:
+                file.write(j)
+            print("Settings saved successfully.")
+        except Exception as e:
+            print(f"Error saving settings: {e}")
+
+    def load(self):
+        try:
+            with open(self.SETTINGS_FILE, 'r') as file:
+                loaded_settings = json.load(file)
+            self.update(loaded_settings)
+            print("Settings loaded successfully.")
+        except Exception as e:
+            print(f"Error loading settings: {e}")
+            self.set_defaults()
+
+# Example usage
+def main():
+    settings = Settings()
+    print(f"Number of LEDs: {settings['num_leds']}")
+    settings['num_leds'] = 100
+    print(f"Updated number of LEDs: {settings['num_leds']}")
+    settings.save()
+    
+    # Create a new Settings object to test loading
+    new_settings = Settings()
+    print(f"Loaded number of LEDs: {new_settings['num_leds']}")
+    print(settings)
+
+# Run the example
+if __name__ == "__main__":
+    main()