Rotary.py 文件源码

def set_menu(self, menu):
        self.menu = menu
        GPIO.add_event_detect(self.clk, GPIO.BOTH, callback=self.__pulse)
        GPIO.add_event_detect(self.dt, GPIO.BOTH, callback=self.__pulse)
        GPIO.add_event_detect(self.btn, GPIO.RISING, callback=self.__button, bouncetime=200)
        self.rotaryLastState = None
        self.btnLastState = GPIO.input(self.btn)
        self.clkLevel = 0
        self.dtLevel = 0