__init__.py 文件源码

def _gpio_bcm_to_board(self, pin):
        if GPIO.RPI_REVISION == 1:
            pin_to_gpio = self._pin_to_gpio_rev1
        elif GPIO.RPI_REVISION == 2:
            pin_to_gpio = self._pin_to_gpio_rev2
        else:
            pin_to_gpio = self._pin_to_gpio_rev3

        return pin_to_gpio.index(pin)