Update main.py, tests, and add presets, circle test, and tool directory

src/main.py

@@ -15,8 +15,11 @@ 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)
+    if settings["color_order"] == "rbg": 
+        color_order = (1, 5, 3)
+        print("RBG")
+    if settings["color_order"] == "grb": 
+        color_order = (3, 1, 5)
     else: color_order = (1, 3, 5)
     patterns.colors = [(8,0,0)]
 

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()
+
+