from machine import Pin
from utime import sleep

print("王天阔 202110733224")

led_pins = [Pin(32, Pin.OUT), Pin(25, Pin.OUT), Pin(33, Pin.OUT), Pin(13, Pin.OUT), Pin(12, Pin.OUT), Pin(26, Pin.OUT), Pin(14, Pin.OUT), Pin(4, Pin.OUT), Pin(22, Pin.OUT), Pin(2, Pin.OUT), Pin(15, Pin.OUT), Pin(18, Pin.OUT), Pin(21, Pin.OUT), Pin(19, Pin.OUT)]

# 定义按键
button = Pin(35, Pin.IN, Pin.PULL_DOWN)  # 假设按键连接到引脚16

def heartbeat():
    middle = len(led_pins) // 2
    for i in range(middle + 1):
        led_pins[i].on()
        led_pins[-(i + 1)].on()
        sleep(0.5)

def blink():
    for pin in led_pins:
        pin.on()
    sleep(0.2)
    for pin in led_pins:
        pin.off()
    sleep(0.2)

# 新增函数：切换闪烁模式
def toggle_blink_mode():
    global is_blinking  # 声明全局变量
    is_blinking = not is_blinking  # 取反

# 主循环
is_blinking = False  # 初始时不闪烁
while True:
    # 检测按键状态
    if button.value() == 1:  # 按键按下
        toggle_blink_mode()  # 切换闪烁模式
        sleep(0.2)  # 稍微延时一下，避免连续切换

    # 根据闪烁模式执行相应操作
    if is_blinking:
        heartbeat()
    else:
        blink()