add short-key param mapping and set_param()

src/patterns.py

@@ -3,6 +3,24 @@ from neopixel import NeoPixel
 import utime
 import random
 
+# Short-key parameter mapping for convenience setters
+param_mapping = {
+    "pt": "selected",
+    "pa": "selected",
+    "cl": "colors",
+    "br": "brightness",
+    "dl": "delay",
+    "nl": "num_leds",
+    "co": "color_order",
+    "lp": "led_pin",
+    "n1": "n1",
+    "n2": "n2",
+    "n3": "n3",
+    "n4": "n4",
+    "n5": "n5",
+    "n6": "n6",
+}
+
 class Patterns:
     def __init__(self, pin, num_leds, color1=(0,0,0), color2=(0,0,0), brightness=127, selected="rainbow_cycle", delay=100):
         self.n = NeoPixel(Pin(pin, Pin.OUT), num_leds)
@@ -62,6 +80,13 @@ class Patterns:
         if self.patterns[self.selected]:
             self.patterns[self.selected]()
 
+    def set_param(self, key, value):
+        if key in param_mapping:
+            setattr(self, param_mapping[key], value)
+            return True
+        print(f"Invalid parameter: {key}")
+        return False
+
     def update_num_leds(self, pin, num_leds):
         self.n = NeoPixel(Pin(pin, Pin.OUT), num_leds)
         self.num_leds = num_leds