Encoders: Make the "scale=1" parameter the same for all files

encoders/encoder.py

@@ -6,9 +6,9 @@
 import pyb
 
 class Encoder:
-    def __init__(self, pin_a, pin_b, reverse, scale):
+    def __init__(self, pin_a, pin_b, reverse=0, scale=1):
         self.reverse = reverse
-        self.scale = scale
+        self.scale = scale  # Optionally scale encoder rate to distance/angle
         self.forward = True
         self.pin_a = pin_a
         self.pin_b = pin_b

encoders/encoder_portable.py

@@ -10,7 +10,7 @@ from machine import Pin
 
 class Encoder:
     def __init__(self, pin_a, pin_b, scale=1):
-        self.scale = scale
+        self.scale = scale  # Optionally scale encoder rate to distance/angle
         self.forward = True
         self.pin_a = pin_a
         self.pin_b = pin_b