Merge pull request #34 from brentru/remove-servo

Removing servo class in favor of motor.servo

Author: tannewt

simpleio.py

@@ -173,59 +173,6 @@ def shift_out(data_pin, clock, value, msb_first=True):
         clock.value = True
         clock.value = False
 
-class Servo:
-    """
-    Easy control for hobby (3-wire) servos
-
-    :param ~microcontroller.Pin pin: PWM pin where the servo is located.
-    :param int min_pulse: Pulse width (milliseconds) corresponding to 0 degrees.
-    :param int max_pulse: Pulse width (milliseconds) corresponding to 180 degrees.
-
-    Example for Metro M0 Express:
-
-    .. code-block:: python
-
-        import simpleio
-        import time
-        from board import *
-
-        pwm = simpleio.Servo(D9)
-
-        while True:
-            pwm.angle = 0
-            print("Angle: ", pwm.angle)
-            time.sleep(2)
-            pwm.angle = pwm.microseconds_to_angle(2500)
-            print("Angle: ", pwm.angle)
-            time.sleep(2)
-    """
-    def __init__(self, pin, min_pulse=0.5, max_pulse=2.5):
-        self.pwm = pulseio.PWMOut(pin, frequency=50)
-        self.min_pulse = min_pulse
-        self.max_pulse = max_pulse
-        self._angle = None
-
-    @property
-    def angle(self):
-        """Get and set the servo angle in degrees"""
-        return self._angle
-
-    @angle.setter
-    def angle(self, degrees):
-        """Writes a value in degrees to the servo"""
-        self._angle = max(min(180, degrees), 0)
-        pulse_width = self.min_pulse + (self._angle / 180) * (self.max_pulse - self.min_pulse)
-        duty_percent = pulse_width / 20.0
-        self.pwm.duty_cycle = int(duty_percent * 65535)
-
-    def microseconds_to_angle(self, us): #pylint: disable-msg=no-self-use, invalid-name
-        """Converts microseconds to a degree value"""
-        return map_range(us, self.min_pulse * 1000, self.max_pulse * 1000, 0, 180)
-
-    def deinit(self):
-        """Detaches servo object from pin, frees pin"""
-        self.pwm.deinit()
-
 class DigitalOut:
     """
     Simple digital output that is valid until reload.