413 lines
12 KiB
Python
413 lines
12 KiB
Python
# ESP8266天气站主程序
|
||
# 首先尝试连接已保存的WiFi，失败则启动CaptivePortal进行配置
|
||
|
||
import asyncio
|
||
import gc
|
||
import json
|
||
import sys
|
||
import time
|
||
|
||
import machine
|
||
from config import config
|
||
from display import display # 导入液晶屏管理模块
|
||
from wifi_manager import wifi_manager
|
||
|
||
|
||
def uuid():
|
||
return str(machine.unique_id().hex())
|
||
|
||
|
||
def parse_url_params(url):
|
||
# 解析URL中的查询参数，返回参数字典
|
||
params = {}
|
||
|
||
if "?" in url:
|
||
query_string = url.split("?")[1]
|
||
param_pairs = query_string.split("&")
|
||
|
||
for pair in param_pairs:
|
||
if "=" in pair:
|
||
key, value = pair.split("=", 1)
|
||
params[key] = value
|
||
|
||
return params
|
||
|
||
|
||
async def post_parse(request):
|
||
if request.method != "POST":
|
||
raise Exception("invalid request")
|
||
content_length = int(request.headers["Content-Length"])
|
||
return (await request.read(content_length)).decode()
|
||
|
||
|
||
async def json_response(request, data):
|
||
await request.write("HTTP/1.1 200 OK\r\n")
|
||
await request.write("Content-Type: application/json; charset=utf-8\r\n\r\n")
|
||
await request.write(data)
|
||
|
||
|
||
CREDENTIALS = ("admin", config.get("web_password", "admin"))
|
||
|
||
|
||
def authenticate(credentials):
|
||
async def fail(request):
|
||
await request.write("HTTP/1.1 401 Unauthorized\r\n")
|
||
await request.write('WWW-Authenticate: Basic realm="Restricted"\r\n\r\n')
|
||
await request.write("<h1>Unauthorized</h1>")
|
||
|
||
def decorator(func):
|
||
async def wrapper(request):
|
||
from ubinascii import a2b_base64 as base64_decode
|
||
|
||
header = request.headers.get("Authorization", None)
|
||
if header is None:
|
||
return await fail(request)
|
||
|
||
# Authorization: Basic XXX
|
||
kind, authorization = header.strip().split(" ", 1)
|
||
if kind != "Basic":
|
||
return await fail(request)
|
||
|
||
authorization = (
|
||
base64_decode(authorization.strip()).decode("ascii").split(":")
|
||
)
|
||
|
||
if list(credentials) != list(authorization):
|
||
return await fail(request)
|
||
|
||
return await func(request)
|
||
|
||
return wrapper
|
||
|
||
return decorator
|
||
|
||
# /status: 获取系统状态
|
||
@authenticate(credentials=CREDENTIALS)
|
||
async def sys_status(request):
|
||
await json_response(
|
||
request,
|
||
json.dumps(
|
||
{
|
||
"time": "{}-{:02d}-{:02d} {:02d}:{:02d}:{:02d}".format(
|
||
*time.localtime()
|
||
),
|
||
"uptime": time.ticks_ms(),
|
||
"mem_free": gc.mem_free(),
|
||
"mem_alloc": gc.mem_alloc(),
|
||
"uuid": uuid(),
|
||
"platform": str(sys.platform),
|
||
"version": str(sys.version),
|
||
}
|
||
),
|
||
)
|
||
|
||
|
||
# /lcd: 获取LCD状态
|
||
@authenticate(credentials=CREDENTIALS)
|
||
async def lcd_status(request):
|
||
# 返回LCD状态
|
||
await json_response(
|
||
request,
|
||
json.dumps(
|
||
{
|
||
"ready": display.is_ready(),
|
||
"brightness": display.brightness(),
|
||
"ui_type": display.ui_type,
|
||
"data": display.ui_data,
|
||
}
|
||
),
|
||
)
|
||
|
||
|
||
# /config: 获取当前配置
|
||
@authenticate(credentials=CREDENTIALS)
|
||
async def config_get(request):
|
||
# 返回所有配置项
|
||
await json_response(request, json.dumps(config.config_data))
|
||
|
||
|
||
# /lcd/set: 设置LCD状态
|
||
@authenticate(credentials=CREDENTIALS)
|
||
async def lcd_set(request):
|
||
ack = {"status": "success"}
|
||
try:
|
||
post_data = await post_parse(request)
|
||
|
||
for k, v in json.loads(post_data).items():
|
||
if k == "brightness":
|
||
display.brightness(int(v))
|
||
elif k == "ui_type":
|
||
display.ui_type = v
|
||
config.set(k, v)
|
||
except Exception as e:
|
||
ack["status"] = "error"
|
||
ack["message"] = str(e)
|
||
finally:
|
||
await json_response(request, json.dumps(ack))
|
||
|
||
|
||
# /config/set: 更新配置
|
||
# curl -H "Content-Type: application/json" -X POST -d '{"city":"xxx","who":"ami"}' 'http://<url>/config/set'
|
||
@authenticate(credentials=CREDENTIALS)
|
||
async def config_update(request):
|
||
ack = {"status": "success"}
|
||
try:
|
||
post_data = await post_parse(request)
|
||
|
||
for k, v in json.loads(post_data).items():
|
||
config.set(k, v)
|
||
config.write()
|
||
except Exception as e:
|
||
ack["status"] = "error"
|
||
ack["message"] = str(e)
|
||
finally:
|
||
await json_response(request, json.dumps(ack))
|
||
|
||
|
||
# /exec: 执行命令并返回
|
||
# {"cmd":"import network;R=network.WLAN().config(\"mac\").hex()", "token":"xxx"}
|
||
@authenticate(credentials=CREDENTIALS)
|
||
async def eval_cmd(request):
|
||
ack = {"status": "success"}
|
||
try:
|
||
post_data = await post_parse(request)
|
||
|
||
cmd = json.loads(post_data).get("cmd")
|
||
token = json.loads(post_data).get("token")
|
||
if cmd and token == uuid():
|
||
_NS = {}
|
||
exec(cmd, _NS)
|
||
ack["result"] = str(_NS.get("R"))
|
||
else:
|
||
raise Exception("invalid token")
|
||
except Exception as e:
|
||
ack["status"] = "error"
|
||
ack["message"] = str(e)
|
||
finally:
|
||
await json_response(request, json.dumps(ack))
|
||
|
||
|
||
|
||
# ntp时钟同步
|
||
def sync_ntp_time():
|
||
import ntptime
|
||
|
||
ntptime.host = config.get("ntphost", "ntp1.aliyun.com")
|
||
t = ntptime.time() + 3600 * 8
|
||
|
||
rtc = machine.RTC()
|
||
tm = time.gmtime(t)
|
||
rtc.datetime((tm[0], tm[1], tm[2], tm[6], tm[3], tm[4], tm[5], 0))
|
||
|
||
# 同步完成后，等待调度自动更新UI
|
||
print(f"时间同步：{rtc.datetime()}")
|
||
|
||
|
||
# 简化的天气数据获取函数
|
||
async def fetch_weather_data(city=None):
|
||
# 获取天气数据，返回JSON格式数据
|
||
try:
|
||
import aiohttp
|
||
|
||
# 从配置文件获取城市，如果没有提供则使用配置中的值
|
||
if not city:
|
||
city = config.get("city") or "北京"
|
||
|
||
print(f"正在获取{city}天气数据...")
|
||
# 从配置获取API基础URL，默认使用官方API
|
||
url = config.get("weather_api_url", "http://esp.tangofu.com/api/ws2/")
|
||
params = {"uuid": uuid(), "city": city}
|
||
|
||
# 发送GET请求
|
||
async with aiohttp.ClientSession() as session:
|
||
async with session.get(url, params=params) as response:
|
||
# 检查响应状态
|
||
if response.status == 200:
|
||
# 解析JSON数据
|
||
wdata = await response.json()
|
||
|
||
# 提取关键信息，减少内存占用
|
||
city = wdata.get("city", "N/A")
|
||
weather = wdata.get("weather", 0)
|
||
t = wdata.get("temperature", "-")
|
||
rh = wdata.get("humidity", "-")
|
||
pm = wdata.get("pm25", "-")
|
||
ap = wdata.get("atmosp", None)
|
||
co2 = wdata.get("co2", None)
|
||
aqi = wdata.get("aqi", 0)
|
||
advice = wdata.get("advice", [])
|
||
lunar = wdata.get("lunar", None)
|
||
|
||
ip = wifi_manager.get_ip()
|
||
|
||
display.update_ui(
|
||
city,
|
||
weather,
|
||
advice,
|
||
aqi,
|
||
lunar,
|
||
ip,
|
||
envdat={"t": t, "rh": rh, "co2": co2, "pm": pm, "ap": ap},
|
||
)
|
||
else:
|
||
print(f"获取天气数据失败，状态码: {response.status}")
|
||
|
||
except Exception as e:
|
||
print(f"获取天气数据出错: {e}")
|
||
|
||
|
||
# 定时调度任务（时间不敏感，但考虑错开以节约内存）
|
||
async def sysinfo_update_task():
|
||
"""定时后台任务"""
|
||
weather_ts = 2 # 启动2s后更新
|
||
ntptime_ts = 1 # 启动1s后更新
|
||
|
||
# 初始化时间戳
|
||
start_ticks = time.ticks_ms()
|
||
last_weather = last_ntptime = start_ticks
|
||
|
||
while True:
|
||
task_id = None # task执行失败后，要快速重试
|
||
try:
|
||
current_ticks = time.ticks_ms()
|
||
# 计算时间差，处理溢出
|
||
weather_diff = time.ticks_diff(current_ticks, last_weather)
|
||
ntp_diff = time.ticks_diff(current_ticks, last_ntptime)
|
||
|
||
if weather_diff >= weather_ts * 1000:
|
||
# 更新天气数据
|
||
gc.collect()
|
||
task_id = "weather"
|
||
await fetch_weather_data()
|
||
last_weather = current_ticks
|
||
weather_ts = int(config.get("weather_ts", 600)) # 10min
|
||
elif ntp_diff >= ntptime_ts * 1000:
|
||
# 更新NTP时间
|
||
gc.collect()
|
||
task_id = "ntp"
|
||
sync_ntp_time()
|
||
last_ntptime = current_ticks
|
||
ntptime_ts = int(config.get("ntptime_ts", 3600)) + 13 # 1hour
|
||
except Exception as e:
|
||
print(f"定时任务更新错误: {e}")
|
||
if task_id == "ntp":
|
||
ntptime_ts = 10
|
||
elif task_id == "weather":
|
||
weather_ts = 60
|
||
|
||
# 等待x秒再检查（1~30）
|
||
_x = min(30, 1 + min(weather_ts, ntptime_ts) // 10)
|
||
await asyncio.sleep(_x)
|
||
|
||
|
||
# LCD UI显示任务
|
||
async def ui_task():
|
||
"""显示JPG动画的后台任务"""
|
||
# 检查液晶屏是否已初始化
|
||
if not display.is_ready():
|
||
print("液晶屏未初始化，跳过动画任务")
|
||
return
|
||
|
||
try:
|
||
# 延迟2s后开始更新
|
||
await asyncio.sleep_ms(2 * 1000)
|
||
|
||
F = 0
|
||
while True:
|
||
try:
|
||
t0 = time.ticks_ms()
|
||
|
||
# 计算当前帧号(1-10)，更新动画
|
||
cframe = F % 10
|
||
pic = f"/rom/images/T{cframe}.jpg"
|
||
display.show_jpg(pic, 160, 160)
|
||
|
||
# 每隔100帧，更新一次UI显示
|
||
F += 1
|
||
if F % 100 == 0:
|
||
display.update_ui()
|
||
|
||
# 每轮清理一次内存
|
||
gc.collect()
|
||
|
||
# 控制帧率
|
||
now = time.ticks_ms()
|
||
ts = time.ticks_diff(now, t0)
|
||
_sT = (100 - ts) if ts < 90 else 10
|
||
await asyncio.sleep_ms(_sT)
|
||
|
||
except Exception as e:
|
||
print(f"动画帧错误: {e}")
|
||
# 出错后等待1秒再继续
|
||
await asyncio.sleep_ms(1000)
|
||
|
||
except Exception as e:
|
||
print(f"动画任务初始化失败: {e}")
|
||
|
||
|
||
def cb_progress(data):
|
||
if isinstance(data, bytes):
|
||
if data == b"/":
|
||
display.portal_info("load iwconfig page ")
|
||
elif data == b"/login":
|
||
display.portal_info("WiFi connecting ... ")
|
||
elif isinstance(data, str):
|
||
display.message(data, 19, 204)
|
||
|
||
if data:
|
||
print(f"progress: {str(data)}")
|
||
|
||
|
||
def start():
|
||
# 初始化液晶屏
|
||
display.init_display(config.get("bl_mode") == "pwm", 7000)
|
||
display.brightness(int(config.get("brightness", 10)))
|
||
cb_progress("WiFi connect ...")
|
||
|
||
if not wifi_manager.connect(cb_progress):
|
||
gc.collect()
|
||
from captive_portal import CaptivePortal
|
||
|
||
portal = CaptivePortal()
|
||
display.portal_win(portal.essid.decode("ascii"))
|
||
portal.start(cb_progress)
|
||
# just reboot
|
||
machine.reset()
|
||
|
||
gc.collect()
|
||
display.load_ui(config.get('ui_type', 'default'))
|
||
|
||
# init web server
|
||
from rom.nanoweb import Nanoweb
|
||
|
||
naw = Nanoweb()
|
||
# website top directory
|
||
naw.STATIC_DIR = "/rom/www"
|
||
naw.INDEX_FILE = "/rom/www/index.html"
|
||
|
||
# Declare route from a dict
|
||
naw.routes = {
|
||
'/lcd': lcd_status,
|
||
'/config': config_get,
|
||
'/status': sys_status,
|
||
'/exec': eval_cmd,
|
||
'/lcd/set': lcd_set,
|
||
'/config/set': config_update,
|
||
}
|
||
|
||
# create task
|
||
loop = asyncio.get_event_loop()
|
||
loop.create_task(naw.run())
|
||
|
||
# 启动定时更新任务
|
||
loop.create_task(sysinfo_update_task())
|
||
|
||
# 启动动画显示任务
|
||
loop.create_task(ui_task())
|
||
|
||
gc.collect()
|
||
print(f"success: {gc.mem_free()}...")
|
||
|
||
# run!
|
||
loop.run_forever()
|