Method __init__

Software/Python/easysensors.py:1010–1038

Constructor for initializing a :py:class:`~easysensors.Buzzer` object for the `Grove Buzzer`_. :param str port = "AD1": Port to which we have the `Grove Buzzer`_ connected to. :param easygopigo3.EasyGoPiGo3 gpg = None: :py:class:`~easygopigo3.EasyGoPiGo3` object used for in

(self, port="AD1", gpg=None, use_mutex = False)

             "G5#": 831}

    def __init__(self, port="AD1", gpg=None, use_mutex = False):
        """
        Constructor for initializing a :py:class:`~easysensors.Buzzer` object for the `Grove Buzzer`_.

        :param str port = "AD1": Port to which we have the `Grove Buzzer`_ connected to.
        :param easygopigo3.EasyGoPiGo3 gpg = None: :py:class:`~easygopigo3.EasyGoPiGo3` object used for instantiating a :py:class:`~easysensors.Buzzer` object.
        :param bool use_mutex = False: When using multiple threads/processes that access the same resource/device, mutexes should be enabled.
        :var int power = 50: Duty cycle of the signal that's put on the buzzer.
        :var int freq = 329: Frequency of the signal that's put on the buzzer. 329Hz is synonymous to E4 musical note. See :py:attr:`~.easysensors.Buzzer.scale` for more musical notes.
        :raises TypeError: If the ``gpg`` parameter is not a :py:class:`~easygopigo3.EasyGoPiGo3` object.

        The ``port`` parameter can take the following values:

             * ``"AD1"`` - general purpose input/output port.
             * ``"AD2"`` - general purpose input/output port.

        The ports' locations can be seen in the following graphical representation: :ref:`hardware-ports-section`.

        """

        try:
            AnalogSensor.__init__(self, port, "OUTPUT", gpg, use_mutex)
            self.set_pin(1)
            self.set_descriptor("Buzzer")
            self.power = 50
            self.freq = 329
            self.sound_off()
        except:
            raise

    def sound(self, freq):
        """