jb-rotary.py 文件源码

def __init__(self, clockPin, dataPin, buttonPin,
                 rotaryCallback, buttonCallback, rotaryType):
        # persist values
        self.clockPin = clockPin
        self.dataPin = dataPin
        self.buttonPin = buttonPin
        self.rotaryCallback = rotaryCallback
        self.buttonCallback = buttonCallback
        self.rotaryType = rotaryType

        # setup pins
        if self.rotaryType == "standard":
            GPIO.setup(clockPin, GPIO.IN, pull_up_down=GPIO.PUD_UP)  # All pins are pull up because both
            GPIO.setup(dataPin, GPIO.IN, pull_up_down=GPIO.PUD_UP)  # the encoder and the button
        elif self.rotaryType == "keyes":
            GPIO.setup(clockPin, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)  # All pins are pull up because both
            GPIO.setup(dataPin, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)  # the encoder and the button

        GPIO.setup(buttonPin, GPIO.IN, pull_up_down=GPIO.PUD_UP)  # will be connected to Ground