python: update entropy-meter experiment

python/src/entropy-meter.py

@@ -1,21 +1,42 @@
 # Imports go at the top
 from microbit import *
 
-dot: "tuple[int, int, int]" = (0, 0, 0)
-data: "tuple[int, int, int]" = (0, 0, 0)
 
-direction: float = 0.0
+class EntropyMeter:
+    """Accidentally discovered that the accelerometer always returns data even when idle."""
+
+    def __init__(self) -> None:
+        self.dot: "tuple[int, int, int]" = (0, 0, 0)
+        self.data: "tuple[int, int, int]" = (0, 0, 0)
+
+        self.direction: float = 0.0
+
+    def run(self) -> None:
+        """
+        1. Gets "entropy" data (the accelerometer is never "idle")
+        2. Use the data to draw a dot.
+        """
+
+        self.data = accelerometer.get_values()
+        print("INFO: data=" + str(self.data))
+
+        # x, y, brightness
+        self.dot = (abs(self.data[0] % 5), abs(self.data[1] % 5), abs(self.data[2] % 10))
+        print("INFO:  dot=" + str(self.dot))
+        display.set_pixel(*self.dot)
+
+
+print()
+print("Entropy Meter")
+print()
+
 display.on()
 display.clear()
 
+app: EntropyMeter = EntropyMeter()
+
 # Code in a 'while True:' loop repeats forever
 while True:
-    data = accelerometer.get_values()
-    print("INFO: data=" + str(data))
-
-    # x, y, brightness
-    dot = (abs(data[0] % 5), abs(data[1] % 5), abs(data[2] % 10))
-    print("INFO:  dot=" + str(dot))
-    display.set_pixel(*dot)
+    app.run()
 
     sleep(1_000)