from machine import Pin, UART
from time import sleep


def led_turn_on(pin: Pin):
    pin.value(0)


def led_turn_off(pin: Pin):
    pin.value(1)


def leds_on(pins: list):
    for pin in pins:
        led_turn_on(pin)


def leds_off(pins: list):
    for pin in pins:
        led_turn_off(pin)


if __name__ == '__main__':
    # 定义使用的 led
    led_red = Pin(4, Pin.OUT)
    led_green = Pin(5, Pin.OUT)
    led_blue = Pin(6, Pin.OUT)

    # 定义串口
    uart=UART(1,baudrate=115200,bits=8,parity=None,stop=1,tx=43,rx=44)
    leds = [led_red, led_green, led_blue]
    leds_off(leds)

    # 输出日志
    print("all leds off\r\n")
    input("请输入控制指令，按下回车结束输入\r\n")

    while True:
        if uart.any():
            # 读取数据并发送到串口 0
            buffer = uart.readline().decode()
            print("user input:", buffer)

            if "led red on" == buffer.strip().lower():
                leds_off(leds)
                led_turn_on(led_red)

            if "led red off" == buffer.strip().lower():
                leds_off(leds)
                led_turn_off(led_red)

            if "led green on" == buffer.strip().lower():
                leds_off(leds)
                led_turn_on(led_green)

            if "led green off" == buffer.strip().lower():
                leds_off(leds)
                led_turn_off(led_green)

            if "led blue on" == buffer.strip().lower():
                leds_off(leds)
                led_turn_on(led_blue)

            if "led blue off" == buffer.strip().lower():
                leds_off(leds)
                led_turn_off(led_blue)