#!/usr/bin/env python
# -*- coding: utf-8 -*-

from i2c_lcd1602 import I2C_LCD1602
from machine import Pin, I2C
import time

i2c = I2C(0, scl=Pin(21), sda=Pin(20))
LCD = I2C_LCD1602(i2c)
config={
    "PWM":[50,0,100],#PWM 当前值 最小值 最大值 
    "ACCEL":[500,50,30000],#加速度 当前值 最小值 最大值
    "FIXED":[5000,10,60000]#运行时间 当前值 最小值 最大值
    }

# 初始化按钮和 LED
button = machine.Pin(10, machine.Pin.IN, machine.Pin.PULL_UP)  # 设置为上拉输入
led = machine.Pin(3, machine.Pin.OUT)


def main():
    while True:
        if button.value() == 0:  # 检测按钮是否按下
            while button.value() == 0:  # 等待按钮松开
                time.sleep_ms(10)
            led.toggle()  # 更新 LED 状态
        usb = machine.USBDevice()
        if usb.isconnected():
            print("USB 已连接")
        else:
            print("USB 未连接")

def update_config():
    keys = list(config.keys())
    print("\n可修改的参数:")
    for i, key in enumerate(keys):
        print(f"{i + 1}. {key}: {config[key][0]} (范围: {config[key][1]} - {config[key][2]})")

    try:
        index = int(input("\n请输入要修改的参数序号: ")) - 1
        if 0 <= index < len(keys):
            key = keys[index]
            new_value = int(input(f"请输入 {key} 的新值 ({config[key][1]} - {config[key][2]}): "))
            if config[key][1] <= new_value <= config[key][2]:
                config[key][0] = new_value
                print(f"{key} 已更新为 {new_value}")
            else:
                print(f"输入值超出范围 ({config[key][1]} - {config[key][2]})，未修改 {key}。")
        else:
            print("输入的序号无效。")

    except ValueError:
        print("输入无效，请输入数字。")

    print("\n更新后的配置:")
    for key, value in config.items():
        print(f"{key}: {value[0]}")

if __name__ == '__main__':
    main()