remove PWMOut from pulseio

[Adafruit_Blinka-hackapet.git] / src / adafruit_blinka / microcontroller / bcm283x / pulseio / PWMOut.py

diff --git a/src/adafruit_blinka/microcontroller/bcm283x/pulseio/PWMOut.py b/src/adafruit_blinka/microcontroller/bcm283x/pulseio/PWMOut.py
deleted file mode 100644 (file)
index 65f269f..0000000
--- a/src/adafruit_blinka/microcontroller/bcm283x/pulseio/PWMOut.py
+++ /dev/null
@@ -1,162 +0,0 @@
-"""Custom PWMOut Wrapper for Rpi.GPIO PWM Class"""
-import RPi.GPIO as GPIO
-
-GPIO.setmode(GPIO.BCM)  # Use BCM pins D4 = GPIO #4
-GPIO.setwarnings(False)  # shh!
-
-
-# pylint: disable=unnecessary-pass
-class PWMError(IOError):
-    """Base class for PWM errors."""
-
-    pass
-
-
-# pylint: enable=unnecessary-pass
-
-
-class PWMOut:
-    """Pulse Width Modulation Output Class"""
-
-    def __init__(self, pin, *, frequency=500, duty_cycle=0, variable_frequency=False):
-        self._pwmpin = None
-        self._period = 0
-        self._open(pin, duty_cycle, frequency, variable_frequency)
-
-    def __del__(self):
-        self.deinit()
-
-    def __enter__(self):
-        return self
-
-    def __exit__(self, t, value, traceback):
-        self.deinit()
-
-    def _open(self, pin, duty=0, freq=500, variable_frequency=False):
-        self._pin = pin
-        GPIO.setup(pin.id, GPIO.OUT)
-        self._pwmpin = GPIO.PWM(pin.id, freq)
-
-        if variable_frequency:
-            print("Variable Frequency is not supported, continuing without it...")
-
-        # set frequency
-        self.frequency = freq
-        # set duty
-        self.duty_cycle = duty
-
-        self.enabled = True
-
-    def deinit(self):
-        """Deinit the PWM."""
-        if self._pwmpin is not None:
-            self._pwmpin.stop()
-            GPIO.cleanup(self._pin.id)
-            self._pwmpin = None
-
-    def _is_deinited(self):
-        if self._pwmpin is None:
-            raise ValueError(
-                "Object has been deinitialize and can no longer "
-                "be used. Create a new object."
-            )
-
-    @property
-    def period(self):
-        """Get or set the PWM's output period in seconds.
-
-        Raises:
-            PWMError: if an I/O or OS error occurs.
-            TypeError: if value type is not int or float.
-
-        :type: int, float
-        """
-        return 1.0 / self.frequency
-
-    @period.setter
-    def period(self, period):
-        if not isinstance(period, (int, float)):
-            raise TypeError("Invalid period type, should be int or float.")
-
-        self.frequency = 1.0 / period
-
-    @property
-    def duty_cycle(self):
-        """Get or set the PWM's output duty cycle which is the fraction of
-        each pulse which is high. 16-bit
-
-        Raises:
-            PWMError: if an I/O or OS error occurs.
-            TypeError: if value type is not int or float.
-            ValueError: if value is out of bounds of 0.0 to 1.0.
-
-        :type: int, float
-        """
-        return int(self._duty_cycle * 65535)
-
-    @duty_cycle.setter
-    def duty_cycle(self, duty_cycle):
-        if not isinstance(duty_cycle, (int, float)):
-            raise TypeError("Invalid duty cycle type, should be int or float.")
-
-        if not 0 <= duty_cycle <= 65535:
-            raise ValueError("Invalid duty cycle value, should be between 0 and 65535")
-
-        # convert from 16-bit
-        duty_cycle /= 65535.0
-
-        self._duty_cycle = duty_cycle
-        self._pwmpin.ChangeDutyCycle(round(self._duty_cycle * 100))
-
-    @property
-    def frequency(self):
-        """Get or set the PWM's output frequency in Hertz.
-
-        Raises:
-            PWMError: if an I/O or OS error occurs.
-            TypeError: if value type is not int or float.
-
-        :type: int, float
-        """
-
-        return self._frequency
-
-    @frequency.setter
-    def frequency(self, frequency):
-        if not isinstance(frequency, (int, float)):
-            raise TypeError("Invalid frequency type, should be int or float.")
-
-        self._pwmpin.ChangeFrequency(round(frequency))
-        self._frequency = frequency
-
-    @property
-    def enabled(self):
-        """Get or set the PWM's output enabled state.
-
-        Raises:
-            PWMError: if an I/O or OS error occurs.
-            TypeError: if value type is not bool.
-
-        :type: bool
-        """
-        return self._enabled
-
-    @enabled.setter
-    def enabled(self, value):
-        if not isinstance(value, bool):
-            raise TypeError("Invalid enabled type, should be string.")
-
-        if value:
-            self._pwmpin.start(round(self._duty_cycle * 100))
-        else:
-            self._pwmpin.stop()
-
-        self._enabled = value
-
-    # String representation
-    def __str__(self):
-        return "pin %s (freq=%f Hz, duty_cycle=%f%%)" % (
-            self._pin,
-            self.frequency,
-            self.duty_cycle,
-        )