minor fixes and adjustments

pin/__init__.py

@@ -85,6 +85,10 @@ class PinControllerBase(object):
     pins = []
     def __init__(self):
         super(PinControllerBase, self).__init__()
+    def make_digital_pin(self,*args):
+        return DigitalPin(*args)
+    def make_analog_pin(self,*args):
+        return AnalogPin(*args)
 
 class PCEngine(PinControllerBase):
     """Test Class"""
@@ -94,12 +98,10 @@ class PCEngine(PinControllerBase):
     is_on = False
     def __init__(self,pin_on_off,pin_analog):
         super(PCEngine, self).__init__()
-        self.pin_on_off = self.make_pin(pin_on_off)
-        self.pin_analog = self.make_pin(pin_analog)
+        self.pin_on_off = self.make_digital_pin(pin_on_off)
+        self.pin_analog = self.make_digital_pin(pin_analog)
         self.pins.append(self.pin_on_off)
         self.pins.append(self.pin_analog)
-    def make_pin(self,*args):
-        return DigitalPin(*args)
     def set_speed(self,speed):
         self.pin_analog.output(speed)
         self.speed = speed
@@ -107,7 +109,7 @@ class PCEngine(PinControllerBase):
         """state is boolean and specifies if the engine should be turned on (True) or turned off (False) """
         if state == self.is_on:
             return
-        self.set_speed(speed)
+        # self.set_speed(speed)
         self.pin_on_off.output(1)
         self.is_on = state
 
@@ -120,6 +122,14 @@ class PinAPIBase(object):
     def __init__(self):
         super(PinAPIBase, self).__init__()
 
+class LED(DigitalPin):
+    def __init__(self,pin_number):
+        super(DigitalPin,self).__init__(pin_number)
+    def on(self):
+        self.output(True)
+    def off(self):
+        self.output(False)
+