dhtxx.py 文件源码

def __init__(self, pin, gpio_lib=None):
        """
        pin: BCM pin number
        gpio_lib: optional library injection (for tests, Pine64 or platforms)
        """
        self.pin = pin

        if not gpio_lib:
            # Loads only on a Raspberry Pi
            import RPi.GPIO as GPIO
        else:
            GPIO = gpio_lib
        self.gpio_lib = GPIO

        # GPIO.setwarnings(False)
        GPIO.setmode(GPIO.BCM)