rotary_track_cue.py 文件源码

def __init__(self, clockPin, dataPin, switchPin, rotaryCallback, switchCallback):
        #persist values
        self.clockPin = clockPin
        self.dataPin = dataPin
        self.switchPin = switchPin
        self.rotaryCallback = rotaryCallback
        self.switchCallback = switchCallback

        #setup pins
        GPIO.setup(clockPin, GPIO.IN, pull_up_down=GPIO.PUD_UP)
        GPIO.setup(dataPin, GPIO.IN, pull_up_down=GPIO.PUD_UP)
        GPIO.setup(switchPin, GPIO.IN, pull_up_down=GPIO.PUD_UP)