main.py 文件源码

def control_led(self, on=True):
        led_pins = LED_COLORS[self.led_color_index]
        if on:
            print("Turning on LED for pins {}".format(led_pins))
            for pin in led_pins:
                pin_obj = self.led_pins[pin]
                pin_obj.on()
        else:
            print("Turning off LED for pins {}".format(led_pins))
            for pin in led_pins:
                pin_obj = self.led_pins[pin]
                pin_obj.off()
            self.led_color_index += 1
            try:
                LED_COLORS[self.led_color_index]
            except IndexError:
                self.led_color_index = 0