Fixed small issues with encoder.py

mappingbot/encoder.py

@@ -9,12 +9,12 @@ class Encoder:
     def __init__(self, name, encoder_pin: int):
         global pulse_count
         self.name = name
-        self.encoder_pin = encoder_pin;
+        self.encoder_pin = encoder_pin
         pulse_count = 0
 
         GPIO.setup(self.encoder_pin, GPIO.IN, GPIO.PUD_DOWN)
         
-    def callback_encoder(self):
+    def callback_encoder(self, channel):
         global pulse_count
         pulse_count += 1
 
@@ -26,12 +26,12 @@ class Encoder:
         pulse_count = 0
 
     def init_callback(self):
-        GPIO.add_event_detect(encoder_pin, GPIO.BOTH, callback = callback_encoder(), bouncetime = 10)
+        GPIO.add_event_detect(self.encoder_pin, GPIO.BOTH, callback = self.callback_encoder, bouncetime = 10)
 
 
 try:
-    encoder1 = Encoder(name="encoder1", encoder_pin=16)
-    encoder1.init_callback
+    encoder1 = Encoder(name="encoder1", encoder_pin=4)
+    encoder1.init_callback()
     while True:
         print(encoder1.get_pulse_count())
         time.sleep(1)