Compare commits
2 Commits
484c20a5ef
...
7c15077674
| Author | SHA1 | Date | |
|---|---|---|---|
| 7c15077674 | |||
| bee45b3876 |
200
ConfigManager.py
Normal file
200
ConfigManager.py
Normal file
@@ -0,0 +1,200 @@
|
||||
import ujson
|
||||
import uos
|
||||
|
||||
class ConfigManager:
|
||||
def __init__(self, config_dir="configs"):
|
||||
"""
|
||||
初始化配置管理器
|
||||
:param config_dir: 配置文件存储的目录
|
||||
"""
|
||||
self.config_dir = config_dir
|
||||
self._ensure_dir_exists(config_dir)
|
||||
|
||||
def _ensure_dir_exists(self, directory):
|
||||
"""
|
||||
确保目录存在,如果不存在则创建
|
||||
:param directory: 目录路径
|
||||
"""
|
||||
try:
|
||||
uos.listdir(directory) # 尝试列出目录内容
|
||||
except OSError:
|
||||
uos.mkdir(directory) # 如果目录不存在,则创建
|
||||
|
||||
def _get_file_path(self, root_key):
|
||||
"""
|
||||
根据根键生成配置文件路径
|
||||
:param root_key: 配置的根键(如 'system')
|
||||
:return: 配置文件路径
|
||||
"""
|
||||
return f"{self.config_dir}/{root_key}.conf"
|
||||
|
||||
def _load_config(self, root_key):
|
||||
"""
|
||||
加载配置文件内容
|
||||
:param root_key: 配置的根键
|
||||
:return: 配置字典
|
||||
"""
|
||||
file_path = self._get_file_path(root_key)
|
||||
try:
|
||||
with open(file_path, "r") as f:
|
||||
return ujson.load(f)
|
||||
except (OSError, ValueError):
|
||||
return {}
|
||||
|
||||
def _save_config(self, root_key, config):
|
||||
"""
|
||||
保存配置到文件
|
||||
:param root_key: 配置的根键
|
||||
:param config: 配置字典
|
||||
"""
|
||||
file_path = self._get_file_path(root_key)
|
||||
with open(file_path, "w") as f:
|
||||
ujson.dump(config, f)
|
||||
|
||||
def set(self, key, value):
|
||||
"""
|
||||
设置配置值
|
||||
:param key: 配置键,使用点分割(如 'system.wifi.name')
|
||||
:param value: 配置值
|
||||
"""
|
||||
keys = key.split(".")
|
||||
if len(keys) < 2:
|
||||
raise ValueError("Key must contain at least one dot (e.g., 'system.wifi.name')")
|
||||
|
||||
root_key = keys[0]
|
||||
sub_keys = keys[1:]
|
||||
|
||||
config = self._load_config(root_key)
|
||||
current = config
|
||||
|
||||
for sub_key in sub_keys[:-1]:
|
||||
if sub_key not in current or not isinstance(current[sub_key], dict):
|
||||
current[sub_key] = {}
|
||||
current = current[sub_key]
|
||||
|
||||
current[sub_keys[-1]] = value
|
||||
self._save_config(root_key, config)
|
||||
|
||||
def get(self, key, default=None):
|
||||
"""
|
||||
获取配置值
|
||||
:param key: 配置键,使用点分割(如 'system.wifi.name')
|
||||
:param default: 默认值,如果键不存在则返回
|
||||
:return: 配置值或默认值
|
||||
"""
|
||||
keys = key.split(".")
|
||||
if len(keys) < 2:
|
||||
raise ValueError("Key must contain at least one dot (e.g., 'system.wifi.name')")
|
||||
|
||||
root_key = keys[0]
|
||||
sub_keys = keys[1:]
|
||||
|
||||
config = self._load_config(root_key)
|
||||
current = config
|
||||
|
||||
for sub_key in sub_keys:
|
||||
if sub_key in current:
|
||||
current = current[sub_key]
|
||||
else:
|
||||
return default
|
||||
|
||||
return current
|
||||
|
||||
def delete(self, key):
|
||||
"""
|
||||
删除配置键
|
||||
:param key: 配置键,使用点分割(如 'system.wifi.name')
|
||||
"""
|
||||
keys = key.split(".")
|
||||
if len(keys) < 2:
|
||||
raise ValueError("Key must contain at least one dot (e.g., 'system.wifi.name')")
|
||||
|
||||
root_key = keys[0]
|
||||
sub_keys = keys[1:]
|
||||
|
||||
config = self._load_config(root_key)
|
||||
current = config
|
||||
|
||||
for sub_key in sub_keys[:-1]:
|
||||
if sub_key in current and isinstance(current[sub_key], dict):
|
||||
current = current[sub_key]
|
||||
else:
|
||||
return # Key does not exist, nothing to delete
|
||||
|
||||
if sub_keys[-1] in current:
|
||||
del current[sub_keys[-1]]
|
||||
self._save_config(root_key, config)
|
||||
|
||||
def clear(self, root_key):
|
||||
"""
|
||||
清空某个根键的配置文件
|
||||
:param root_key: 配置的根键(如 'system')
|
||||
"""
|
||||
file_path = self._get_file_path(root_key)
|
||||
try:
|
||||
uos.remove(file_path)
|
||||
except OSError:
|
||||
pass
|
||||
|
||||
def append_to_list(self, key, value, append_to_end=True):
|
||||
"""
|
||||
在指定字典的列表值中追加数据
|
||||
:param key: 配置键,使用点分割(如 'system.wifi.list')
|
||||
:param value: 要追加的数据
|
||||
:param append_to_end: 是否追加到列表末尾,默认为 True;如果为 False,则追加到开头
|
||||
"""
|
||||
keys = key.split(".")
|
||||
if len(keys) < 2:
|
||||
raise ValueError("Key must contain at least one dot (e.g., 'system.wifi.list')")
|
||||
|
||||
root_key = keys[0]
|
||||
sub_keys = keys[1:]
|
||||
|
||||
config = self._load_config(root_key)
|
||||
current = config
|
||||
|
||||
for sub_key in sub_keys[:-1]:
|
||||
if sub_key not in current or not isinstance(current[sub_key], dict):
|
||||
current[sub_key] = {}
|
||||
current = current[sub_key]
|
||||
|
||||
list_key = sub_keys[-1]
|
||||
if list_key not in current or not isinstance(current[list_key], list):
|
||||
current[list_key] = []
|
||||
|
||||
if append_to_end:
|
||||
current[list_key].append(value)
|
||||
else:
|
||||
current[list_key].insert(0, value)
|
||||
|
||||
self._save_config(root_key, config)
|
||||
|
||||
def remove_from_list(self, key, value):
|
||||
"""
|
||||
从指定字典的列表值中删除数据
|
||||
:param key: 配置键,使用点分割(如 'system.wifi.list')
|
||||
:param value: 要删除的数据
|
||||
"""
|
||||
keys = key.split(".")
|
||||
if len(keys) < 2:
|
||||
raise ValueError("Key must contain at least one dot (e.g., 'system.wifi.list')")
|
||||
|
||||
root_key = keys[0]
|
||||
sub_keys = keys[1:]
|
||||
|
||||
config = self._load_config(root_key)
|
||||
current = config
|
||||
|
||||
for sub_key in sub_keys[:-1]:
|
||||
if sub_key not in current or not isinstance(current[sub_key], dict):
|
||||
current[sub_key] = {}
|
||||
current = current[sub_key]
|
||||
|
||||
list_key = sub_keys[-1]
|
||||
if list_key in current and isinstance(current[list_key], list):
|
||||
try:
|
||||
current[list_key].remove(value)
|
||||
except ValueError:
|
||||
pass
|
||||
self._save_config(root_key, config)
|
||||
|
||||
@@ -7,47 +7,38 @@ import urequests
|
||||
from machine import Pin, I2S
|
||||
import ubinascii
|
||||
import urandom
|
||||
import select
|
||||
import gc
|
||||
|
||||
import shared_vars
|
||||
|
||||
# I2S 引脚配置
|
||||
BCLK_PIN = 13
|
||||
WS_PIN = 12
|
||||
SD_PIN = 14
|
||||
# 增益控制引脚
|
||||
GAIN_PIN = 15
|
||||
|
||||
# 初始 I2S 配置,后续根据文件实际参数调整
|
||||
SAMPLE_RATE = 16000
|
||||
BITS_PER_SAMPLE = 16 # 修改为 16 位
|
||||
CHANNELS = 2
|
||||
BUFFER_SIZE = 8192
|
||||
|
||||
# 初始化I2S配置(用于音频输出)
|
||||
def init_i2s():
|
||||
global BCLK_PIN, WS_PIN, SD_PIN, GAIN_PIN, SAMPLE_RATE, BITS_PER_SAMPLE, CHANNELS, BUFFER_SIZE
|
||||
gain_pin = machine.Pin(GAIN_PIN, machine.Pin.OUT)
|
||||
gain_pin = machine.Pin(shared_vars.GAIN_PIN, machine.Pin.OUT)
|
||||
gain_pin.value(1)
|
||||
# 使用GPIO14 (BCLK), GPIO15 (LRC), GPIO32 (DIN)
|
||||
i2s = I2S(0,
|
||||
sck=Pin(BCLK_PIN), # Serial clock output
|
||||
ws=Pin(WS_PIN), # Word clock output
|
||||
sd=Pin(SD_PIN), # Serial data output
|
||||
sck=Pin(shared_vars.BCLK_PIN), # Serial clock output
|
||||
ws=Pin(shared_vars.WS_PIN), # Word clock output
|
||||
sd=Pin(shared_vars.SD_PIN), # Serial data output
|
||||
mode=I2S.TX, # 使用发送模式
|
||||
bits=BITS_PER_SAMPLE, # 修改为 16 位数据
|
||||
format=I2S.MONO if CHANNELS == 1 else I2S.STEREO, # 修正声道判断逻辑
|
||||
rate=SAMPLE_RATE, # 采样率
|
||||
ibuf=BUFFER_SIZE) # 输入缓冲区大小
|
||||
bits=shared_vars.BITS_PER_SAMPLE, # 修改为 16 位数据
|
||||
format=I2S.MONO if shared_vars.CHANNELS == 1 else I2S.STEREO, # 声道判断逻辑
|
||||
rate=shared_vars.SAMPLE_RATE, # 采样率
|
||||
ibuf=shared_vars.BUFFER_SIZE) # 输入缓冲区大小
|
||||
return i2s
|
||||
|
||||
class InterphoneHandler:
|
||||
def __init__(self):
|
||||
self.audio_out = None # 全局 I2S 实例
|
||||
|
||||
def play_wav_file(self, data):
|
||||
try:
|
||||
# 要播放的本地 WAV 文件
|
||||
WAV_FILE = data['file']
|
||||
# 初始化 I2S 接口
|
||||
audio_out = init_i2s()
|
||||
if not self.audio_out:
|
||||
self.audio_out = init_i2s()
|
||||
|
||||
# 打开 WAV 文件
|
||||
with open(WAV_FILE, 'rb') as f:
|
||||
@@ -55,68 +46,89 @@ class InterphoneHandler:
|
||||
f.seek(44)
|
||||
while True:
|
||||
# 读取音频数据块
|
||||
data = f.read(BUFFER_SIZE)
|
||||
data = f.read(shared_vars.BUFFER_SIZE)
|
||||
if len(data) == 0:
|
||||
break
|
||||
# 将音频数据写入 I2S 接口
|
||||
print('将音频数据写入 I2S 接口')
|
||||
audio_out.write(data)
|
||||
self.audio_out.write(data)
|
||||
|
||||
except Exception as e:
|
||||
print(f"播放音频时出错: {e}")
|
||||
finally:
|
||||
if 'audio_out' in locals():
|
||||
audio_out.deinit()
|
||||
if self.audio_out:
|
||||
self.audio_out.deinit()
|
||||
self.audio_out = None
|
||||
|
||||
def stream_and_play(self, data):
|
||||
current_task_id = shared_vars.handle_task_id
|
||||
url = "https://iot.julecn.com/interphone/get_voice?name=" + data['name'] # 替换为音频文件的URL
|
||||
print(url)
|
||||
try:
|
||||
print("添加请求头信息")
|
||||
headers = {
|
||||
'User-Agent': 'MicroPython v1.0.0'
|
||||
}
|
||||
print("发送 HTTP 请求,获取流式响应")
|
||||
response = urequests.get(url, headers=headers, stream=True)
|
||||
# 停止之前的播放
|
||||
self.stop_playing(data)
|
||||
gc.collect() # 强制回收内存
|
||||
shared_vars.player_name = url = data['voice_url']
|
||||
volume = data.get('volume', 1.0)
|
||||
print(f"播放音频 URL: {url}, 音量: {volume}")
|
||||
time.sleep(1)
|
||||
shared_vars.player_flag = True
|
||||
|
||||
try:
|
||||
headers = {'User-Agent': 'MicroPython v1.0.0'}
|
||||
print("发送 HTTP 请求,获取流式响应")
|
||||
response = urequests.get(url, headers=headers, stream=True, timeout=5)
|
||||
|
||||
print("检查响应状态码")
|
||||
if response.status_code != 200:
|
||||
print(f"请求失败,状态码: {response.status_code}")
|
||||
response.close()
|
||||
return
|
||||
print("解析 WAV 头部")
|
||||
header = response.raw.read(44)
|
||||
|
||||
header = response.raw.read(44)
|
||||
if len(header) != 44 or header[0:4] != b'RIFF' or header[8:12] != b'WAVE' or header[12:16] != b'fmt ':
|
||||
print(header)
|
||||
raise ValueError("Not a valid WAV file")
|
||||
|
||||
print("提取采样率、位深、声道数")
|
||||
global SAMPLE_RATE, BITS_PER_SAMPLE, CHANNELS
|
||||
SAMPLE_RATE = int.from_bytes(header[24:28], 'little')
|
||||
BITS_PER_SAMPLE = int.from_bytes(header[34:36], 'little')
|
||||
CHANNELS = int.from_bytes(header[22:24], 'little')
|
||||
# 提取采样率、位深、声道数
|
||||
shared_vars.SAMPLE_RATE = int.from_bytes(header[24:28], 'little')
|
||||
shared_vars.BITS_PER_SAMPLE = int.from_bytes(header[34:36], 'little')
|
||||
shared_vars.CHANNELS = int.from_bytes(header[22:24], 'little')
|
||||
|
||||
# 初始化或重用 I2S 输出
|
||||
print("初始化 I2S 输出")
|
||||
audio_out = init_i2s()
|
||||
self.audio_out = init_i2s()
|
||||
|
||||
print("开始流式播放")
|
||||
chunk_size = 512
|
||||
while shared_vars.handle_task_id == current_task_id:
|
||||
chunk = response.raw.read(chunk_size)
|
||||
chunk_size = 128
|
||||
sock = response.raw
|
||||
while shared_vars.player_flag and shared_vars.player_name == data['voice_url']:
|
||||
r, _, _ = select.select([sock], [], [], 5) # 设置超时时间为 5 秒
|
||||
if r:
|
||||
chunk = sock.read(chunk_size)
|
||||
if not chunk:
|
||||
break
|
||||
audio_out.write(chunk)
|
||||
self.audio_out.write(chunk)
|
||||
else:
|
||||
print("读取超时")
|
||||
break
|
||||
|
||||
except Exception as e:
|
||||
print("Playback error:", e)
|
||||
finally:
|
||||
if 'audio_out' in locals():
|
||||
audio_out.deinit()
|
||||
if 'response' in locals():
|
||||
response.close()
|
||||
print('音频播放完成')
|
||||
if 'sock' in locals():
|
||||
sock.close()
|
||||
shared_vars.player_flag = False
|
||||
gc.collect()
|
||||
print('音频播放结束,清理资源')
|
||||
|
||||
def stop_playing(self, data):
|
||||
shared_vars.player_flag = False
|
||||
print("停止播放音频")
|
||||
pass
|
||||
if self.audio_out:
|
||||
self.audio_out.deinit()
|
||||
|
||||
def get_playing_status(self, data):
|
||||
status = {
|
||||
'playing': shared_vars.player_flag,
|
||||
'player_name': shared_vars.player_name
|
||||
}
|
||||
print(f"获取播放状态: {status}")
|
||||
return status
|
||||
|
||||
|
||||
@@ -7,7 +7,7 @@ class SingletonThreadPool:
|
||||
|
||||
def __new__(cls):
|
||||
if not cls._instance:
|
||||
pool_size = 2
|
||||
pool_size = 3
|
||||
cls._instance = super().__new__(cls)
|
||||
cls._instance.pool_size = pool_size
|
||||
cls._instance.task_queue = []
|
||||
@@ -25,7 +25,6 @@ class SingletonThreadPool:
|
||||
self.pool_lock.release()
|
||||
try:
|
||||
task(*args)
|
||||
gc.collect()
|
||||
except Exception as e:
|
||||
print(f"Task execution error: {e}")
|
||||
else:
|
||||
@@ -39,3 +38,8 @@ class SingletonThreadPool:
|
||||
|
||||
|
||||
|
||||
def get_task_count(self):
|
||||
self.pool_lock.acquire()
|
||||
count = len(self.task_queue)
|
||||
self.pool_lock.release()
|
||||
return count
|
||||
|
||||
94
SystemHandler.py
Normal file
94
SystemHandler.py
Normal file
@@ -0,0 +1,94 @@
|
||||
import network
|
||||
import gc
|
||||
import time
|
||||
import machine
|
||||
|
||||
import shared_vars
|
||||
import system
|
||||
|
||||
|
||||
class SystemHandler:
|
||||
|
||||
def get_wifi_list(self,data):
|
||||
"""扫描并返回可用的 WiFi 列表"""
|
||||
try:
|
||||
wlan = network.WLAN(network.STA_IF)
|
||||
wlan.active(True)
|
||||
networks = wlan.scan()
|
||||
wifi_list = [{'ssid': net[0].decode('utf-8'), 'rssi': net[3]} for net in networks]
|
||||
print("扫描到的 WiFi 列表:", wifi_list)
|
||||
system.send_text(shared_vars.WS_SOCK,wifi_list)
|
||||
return wifi_list
|
||||
except Exception as e:
|
||||
print(f"获取 WiFi 列表时出错: {e}")
|
||||
return []
|
||||
|
||||
def get_memory_info(self,data):
|
||||
"""获取当前内存使用信息"""
|
||||
try:
|
||||
free_mem = gc.mem_free()
|
||||
allocated_mem = gc.mem_alloc()
|
||||
total_mem = free_mem + allocated_mem
|
||||
memory_info = {
|
||||
'free_memory': free_mem,
|
||||
'allocated_memory': allocated_mem,
|
||||
'total_memory': total_mem
|
||||
}
|
||||
print("内存信息:", memory_info)
|
||||
return memory_info
|
||||
except Exception as e:
|
||||
print(f"获取内存信息时出错: {e}")
|
||||
return {}
|
||||
|
||||
def free_memory(self,data):
|
||||
"""释放内存并返回释放的内存大小"""
|
||||
try:
|
||||
before_free = gc.mem_free()
|
||||
gc.collect()
|
||||
after_free = gc.mem_free()
|
||||
freed_memory = after_free - before_free
|
||||
print(f"释放了 {freed_memory} 字节的内存")
|
||||
return freed_memory
|
||||
except Exception as e:
|
||||
print(f"释放内存时出错: {e}")
|
||||
return 0
|
||||
|
||||
def connect_to_wifi(self,data):
|
||||
"""连接到指定的 WiFi"""
|
||||
ssid, password = data.get('ssid'), data.get('password')
|
||||
try:
|
||||
wlan = network.WLAN(network.STA_IF)
|
||||
wlan.active(True)
|
||||
wlan.connect(ssid, password)
|
||||
start_time = time.time()
|
||||
while not wlan.isconnected():
|
||||
if time.time() - start_time > 10: # 超时 10 秒
|
||||
raise TimeoutError("连接 WiFi 超时")
|
||||
time.sleep(1)
|
||||
print(f"成功连接到 WiFi: {ssid}")
|
||||
return wlan.ifconfig()
|
||||
except Exception as e:
|
||||
print(f"连接 WiFi 时出错: {e}")
|
||||
return None
|
||||
|
||||
def get_system_time(self,data):
|
||||
"""获取系统时间"""
|
||||
try:
|
||||
current_time = time.localtime()
|
||||
formatted_time = time.strftime("%Y-%m-%d %H:%M:%S", current_time)
|
||||
print("当前系统时间:", formatted_time)
|
||||
return formatted_time
|
||||
except Exception as e:
|
||||
print(f"获取系统时间时出错: {e}")
|
||||
return None
|
||||
|
||||
def restart_device(self,data):
|
||||
"""重启设备"""
|
||||
try:
|
||||
print("设备即将重启...")
|
||||
time.sleep(1)
|
||||
machine.reset()
|
||||
except Exception as e:
|
||||
print(f"重启设备时出错: {e}")
|
||||
return None
|
||||
return None
|
||||
350
boot.py
350
boot.py
@@ -1,261 +1,104 @@
|
||||
import network
|
||||
import socket
|
||||
import time
|
||||
from machine import reset, Pin
|
||||
import ubinascii
|
||||
import urandom
|
||||
import hashlib
|
||||
from machine import reset, Pin, Timer # 添加 Timer
|
||||
import _thread
|
||||
import ujson
|
||||
import gc
|
||||
import network
|
||||
|
||||
import system
|
||||
import shared_vars
|
||||
from SingletonThreadPool import SingletonThreadPool
|
||||
|
||||
from InterphoneHandler import InterphoneHandler
|
||||
|
||||
from ConfigManager import ConfigManager
|
||||
|
||||
gc.enable()
|
||||
|
||||
# 初始化配置管理器
|
||||
config_manager = ConfigManager()
|
||||
|
||||
# Wi-Fi配置
|
||||
WIFI_SSID = "JULM"
|
||||
WIFI_PASSWORD = "11223344"
|
||||
# 看门狗变量
|
||||
watchdog_last_reset = time.time()
|
||||
|
||||
# WebSocket服务器配置
|
||||
WS_SERVER = "wss://websocket.julecn.com:80"
|
||||
HOST, PORT = WS_SERVER.replace("wss://", "").split(":")
|
||||
PORT = int(PORT)
|
||||
def reset_watchdog():
|
||||
"""重置看门狗计时"""
|
||||
global watchdog_last_reset
|
||||
watchdog_last_reset = time.time()
|
||||
|
||||
WS_SOCK = None
|
||||
|
||||
action_handlers = {
|
||||
'interphone': InterphoneHandler()
|
||||
}
|
||||
|
||||
|
||||
def connect_wifi():
|
||||
sta_if = network.WLAN(network.STA_IF)
|
||||
if not sta_if.isconnected():
|
||||
print("正在连接Wi-Fi...")
|
||||
sta_if.active(True)
|
||||
sta_if.connect(WIFI_SSID, WIFI_PASSWORD)
|
||||
while not sta_if.isconnected():
|
||||
time.sleep(1)
|
||||
print("Wi-Fi连接成功", sta_if.ifconfig())
|
||||
return sta_if
|
||||
|
||||
|
||||
def websocket_handshake():
|
||||
global WS_SOCK
|
||||
# 初始化一个空的字节数组,用于存储随机字节
|
||||
random_bytes = bytearray()
|
||||
|
||||
# 循环4次,每次生成32位(4字节)的随机数
|
||||
for _ in range(4):
|
||||
# 生成32位随机数
|
||||
rand_32_bits = urandom.getrandbits(32)
|
||||
# 将32位随机数转换为4字节,并添加到字节数组中
|
||||
random_bytes.extend(rand_32_bits.to_bytes(4, 'big'))
|
||||
|
||||
# 将随机字节转换为十六进制字符串
|
||||
key = ubinascii.hexlify(random_bytes).decode()
|
||||
|
||||
magic = "258EAFA5-E914-47DA-95CA-C5AB0DC85B11" # 修正固定GUID
|
||||
combined = (key + magic).encode() # 拼接密钥和固定GUID
|
||||
|
||||
# 使用hashlib计算SHA1哈希并进行Base64编码
|
||||
sha1_hash = hashlib.sha1(combined).digest() # 获取原始SHA1哈希字节数据
|
||||
accept_key = ubinascii.b2a_base64(sha1_hash).decode().strip() # 转换为Base64字符串并去除换行符
|
||||
|
||||
handshake = f"GET / HTTP/1.1\r\n" \
|
||||
f"Host: {HOST}\r\n" \
|
||||
f"Upgrade: websocket\r\n" \
|
||||
f"Connection: Upgrade\r\n" \
|
||||
f"Sec-WebSocket-Key: {key}\r\n" \
|
||||
f"Sec-WebSocket-Version: 13\r\n\r\n"
|
||||
WS_SOCK.send(handshake.encode())
|
||||
|
||||
response = b""
|
||||
while b"\r\n\r\n" not in response:
|
||||
response += WS_SOCK.recv(1)
|
||||
headers, _ = response.split(b"\r\n\r\n", 1)
|
||||
print(f"headers:{headers}")
|
||||
print(f"_{_}")
|
||||
|
||||
if b"101 Switching Protocols" not in headers:
|
||||
raise Exception("握手失败")
|
||||
|
||||
# 提取响应头中的Sec-WebSocket-Accept字段的值
|
||||
accept_header = None
|
||||
for line in headers.split(b'\r\n'):
|
||||
if line.startswith(b'Sec-WebSocket-Accept: '):
|
||||
accept_header = line.split(b': ')[1].decode().strip()
|
||||
break
|
||||
|
||||
if not accept_header or accept_header != accept_key:
|
||||
raise Exception("握手验证失败")
|
||||
|
||||
print("WebSocket握手成功")
|
||||
|
||||
def websocket_receive_thread():
|
||||
print("开始接收消息...")
|
||||
def watchdog_thread():
|
||||
"""看门狗线程,超过 1 分钟未重置则重启设备"""
|
||||
global watchdog_last_reset
|
||||
while True:
|
||||
try:
|
||||
global WS_SOCK
|
||||
if WS_SOCK != None:
|
||||
msg = receive_message(WS_SOCK)
|
||||
if msg:
|
||||
# 有新数据时调用处理方法
|
||||
handle_new_data(msg)
|
||||
except Exception as e:
|
||||
print(f"接收数据出错: {e}")
|
||||
if time.time() - watchdog_last_reset > 60: # 超过 1 分钟
|
||||
print("看门狗超时,设备即将重启...")
|
||||
reset()
|
||||
time.sleep(1)
|
||||
|
||||
def handle_action(action, data):
|
||||
# 启动看门狗线程
|
||||
_thread.start_new_thread(watchdog_thread, ())
|
||||
|
||||
def connect_to_stored_wifi():
|
||||
"""
|
||||
根据action调用对应处理器的方法
|
||||
:param action: 格式为"类名.方法名"的字符串
|
||||
:param data: 需要传递的参数
|
||||
尝试连接存储的 WiFi 列表,如果全部失败,则连接默认 WiFi
|
||||
"""
|
||||
# 获取存储的 WiFi 列表
|
||||
wifi_list = config_manager.get("wifi.list", [])
|
||||
print("尝试连接存储的 WiFi 列表:", wifi_list)
|
||||
|
||||
wlan = None
|
||||
for wifi in wifi_list:
|
||||
ssid = wifi.get("ssid")
|
||||
password = wifi.get("password")
|
||||
if not ssid or password is None: # 只检查 SSID 是否有效
|
||||
continue
|
||||
|
||||
print(f"尝试连接 WiFi: {ssid}")
|
||||
try:
|
||||
# 分割action为类名和方法名
|
||||
if '.' not in action:
|
||||
return
|
||||
class_part, method_part = action.split('.', 1)
|
||||
wlan = network.WLAN(network.STA_IF)
|
||||
wlan.active(False)
|
||||
wlan.active(True)
|
||||
wlan.connect(ssid, password)
|
||||
|
||||
# 获取对应的处理器实例
|
||||
handler = action_handlers.get(class_part.lower())
|
||||
if not handler:
|
||||
print(f"未注册的处理器类型: {class_part}")
|
||||
return
|
||||
# 设置超时时间为 10 秒
|
||||
start_time = time.time()
|
||||
while not wlan.isconnected():
|
||||
if time.time() - start_time > 10: # 超时 10 秒
|
||||
print(f"连接 WiFi {ssid} 超时,尝试下一个")
|
||||
break
|
||||
time.sleep(1)
|
||||
|
||||
# 通过反射获取方法
|
||||
method = getattr(handler, method_part, None)
|
||||
if method and callable(method):
|
||||
print(f"执行 {action} 方法")
|
||||
shared_vars.handle_task_id = generate_random_hex()
|
||||
#method(data)
|
||||
thread_pool = SingletonThreadPool()
|
||||
if wlan.isconnected():
|
||||
print(f"成功连接到 WiFi: {ssid}")
|
||||
|
||||
thread_pool.add_task(method,data)
|
||||
|
||||
else:
|
||||
print(f"处理器 {class_part} 没有方法: {method_part}")
|
||||
# 将成功连接的 WiFi 移到列表最前面
|
||||
wifi_list.remove(wifi)
|
||||
wifi_list.insert(0, wifi)
|
||||
config_manager.set("wifi.list", wifi_list)
|
||||
reset_watchdog() # 重置看门狗
|
||||
return wlan
|
||||
except Exception as e:
|
||||
print(f"执行 {action} 失败: {str(e)}")
|
||||
|
||||
def handle_new_data(data):
|
||||
print(f"接收到新数据: {data}")
|
||||
try:
|
||||
# 解析JSON数据
|
||||
message = ujson.loads(data)
|
||||
action = message.get('action')
|
||||
params = message.get('data')
|
||||
|
||||
if action:
|
||||
print(f"解析到动作指令: {action}")
|
||||
handle_action(action, params)
|
||||
except ValueError:
|
||||
print("无效的JSON格式")
|
||||
except Exception as e:
|
||||
print(f"数据处理异常: {str(e)}")
|
||||
|
||||
def receive_message(sock):
|
||||
header = b""
|
||||
while len(header) < 2: # 确保接收到至少2字节头部
|
||||
header += sock.recv(2 - len(header))
|
||||
|
||||
opcode = header[0] & 0x0F
|
||||
mask = header[1] & 0x80
|
||||
payload_len = header[1] & 0x7F
|
||||
|
||||
# 处理扩展载荷长度
|
||||
if payload_len == 126:
|
||||
header += sock.recv(2) # 接收额外2字节长度
|
||||
payload_len = int.from_bytes(header[2:4], "big")
|
||||
elif payload_len == 127:
|
||||
header += sock.recv(8) # 接收额外8字节长度
|
||||
payload_len = int.from_bytes(header[2:10], "big")
|
||||
|
||||
# 提取掩码密钥(如果有)
|
||||
mask_key = b""
|
||||
if mask:
|
||||
mask_key = sock.recv(4)
|
||||
|
||||
# 接收有效载荷并去除头部影响
|
||||
payload = b""
|
||||
while len(payload) < payload_len:
|
||||
payload += sock.recv(payload_len - len(payload))
|
||||
|
||||
# 应用掩码(如果需要)
|
||||
if mask:
|
||||
payload = bytearray(payload)
|
||||
for i in range(len(payload)):
|
||||
payload[i] ^= mask_key[i % 4]
|
||||
payload = bytes(payload)
|
||||
|
||||
return payload.decode() if opcode == 1 else None # 仅处理文本帧
|
||||
|
||||
|
||||
def send_text(sock, message):
|
||||
"""
|
||||
发送WebSocket文本帧的通用方法
|
||||
:param sock: 已连接的socket对象
|
||||
:param message: 要发送的文本内容(字符串)
|
||||
"""
|
||||
try:
|
||||
# 生成4字节随机掩码密钥(RFC6455要求)
|
||||
mask_key = bytearray(4)
|
||||
|
||||
# 将消息编码为UTF-8字节流
|
||||
payload = message.encode('utf-8')
|
||||
payload_len = len(payload)
|
||||
|
||||
# 构建基础帧头
|
||||
fin_rsv_opcode = 0x81 # FIN=1, Opcode=0x01(文本帧)
|
||||
mask_bit = 0x80 # 掩码位必须为1(客户端发送)
|
||||
|
||||
# 处理不同长度的payload(参考RFC6455分帧规则)
|
||||
if payload_len <= 125:
|
||||
frame_header = bytearray([fin_rsv_opcode, mask_bit | payload_len])
|
||||
elif payload_len <= 65535:
|
||||
frame_header = bytearray([fin_rsv_opcode, mask_bit | 126])
|
||||
frame_header += payload_len.to_bytes(2, 'big')
|
||||
else:
|
||||
frame_header = bytearray([fin_rsv_opcode, mask_bit | 127])
|
||||
frame_header += payload_len.to_bytes(8, 'big')
|
||||
|
||||
# 添加掩码密钥到帧头
|
||||
frame_header += mask_key
|
||||
|
||||
# 应用掩码到payload(必须步骤)
|
||||
masked_payload = bytearray(payload)
|
||||
for i in range(len(masked_payload)):
|
||||
masked_payload[i] ^= mask_key[i % 4]
|
||||
|
||||
# 发送完整帧
|
||||
sock.send(frame_header + masked_payload)
|
||||
print(f"已发送文本:{message}")
|
||||
|
||||
except Exception as e:
|
||||
print(f"发送失败:{str(e)}")
|
||||
raise # 抛出异常供上层处理
|
||||
print(f"连接 WiFi {ssid} 失败: {e}")
|
||||
wlan.active(False)
|
||||
# 如果所有存储的 WiFi 都连接失败,则连接默认 WiFi
|
||||
print("所有存储的 WiFi 都连接失败,尝试连接默认 WiFi")
|
||||
wlan = system.connect_wifi(shared_vars.WIFI_SSID, shared_vars.WIFI_PASSWORD)
|
||||
reset_watchdog() # 重置看门狗
|
||||
return wlan
|
||||
|
||||
# 启动接收数据的线程
|
||||
_thread.start_new_thread(websocket_receive_thread, ())
|
||||
_thread.start_new_thread(system.websocket_receive_thread, ())
|
||||
|
||||
def ws_client():
|
||||
global WS_SOCK
|
||||
try:
|
||||
sta_if = connect_wifi()
|
||||
WS_SOCK = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
|
||||
WS_SOCK.connect((HOST, PORT))
|
||||
|
||||
websocket_handshake()
|
||||
# 尝试连接 WiFi
|
||||
sta_if = connect_to_stored_wifi()
|
||||
print(f"连接到 WebSocket 服务器 {shared_vars.WS_HOST}:{shared_vars.WS_PORT}...")
|
||||
shared_vars.WS_SOCK = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
|
||||
shared_vars.WS_SOCK.connect((shared_vars.WS_HOST, shared_vars.WS_PORT))
|
||||
print("连接成功")
|
||||
# 进行 WebSocket 握手
|
||||
system.websocket_handshake()
|
||||
while True:
|
||||
time.sleep(30)
|
||||
send_text(WS_SOCK, '{"action":"sys.ping"}')
|
||||
system.send_text(shared_vars.WS_SOCK, '{"action":"sys.ping"}')
|
||||
reset_watchdog() # 重置看门狗
|
||||
|
||||
except OSError as e:
|
||||
print(f"连接异常: {str(e)}")
|
||||
@@ -264,49 +107,14 @@ def ws_client():
|
||||
time.sleep(5)
|
||||
reset()
|
||||
except Exception as e:
|
||||
print(f"发生错误: {str(e)}")
|
||||
WS_SOCK.close()
|
||||
print(f"发生错误:", e)
|
||||
shared_vars.WS_SOCK.close()
|
||||
time.sleep(5)
|
||||
reset()
|
||||
|
||||
def force_cleanup():
|
||||
"""强制清理残留资源"""
|
||||
global WS_SOCK
|
||||
try:
|
||||
WS_SOCK.shutdown(socket.SHUT_RDWR) # 完全关闭套接字
|
||||
except:
|
||||
if __name__ == "__main__":
|
||||
# 运行主函数
|
||||
ws_client()
|
||||
else:
|
||||
# 作为模块导入时的处理逻辑
|
||||
pass
|
||||
finally:
|
||||
WS_SOCK.close()
|
||||
|
||||
# 终止相关线程(需配合线程管理)
|
||||
_thread.exit() # MicroPython的线程终止方式
|
||||
|
||||
def check_connection_alive():
|
||||
"""连接活性检测(参考TCP状态检测)"""
|
||||
global WS_SOCK
|
||||
try:
|
||||
# 发送空数据检测写缓冲区
|
||||
WS_SOCK.send(b'\x00')
|
||||
return True
|
||||
except OSError as e:
|
||||
if e.args[0] == 9: # EBADF: 套接字已关闭
|
||||
return False
|
||||
raise
|
||||
|
||||
def generate_random_hex():
|
||||
# 初始化一个空的字节数组,用于存储随机字节
|
||||
random_bytes = bytearray()
|
||||
|
||||
# 循环 4 次,每次生成 32 位(4 字节)的随机数
|
||||
for _ in range(4):
|
||||
# 生成 32 位随机数
|
||||
rand_32_bits = urandom.getrandbits(32)
|
||||
# 将 32 位随机数转换为 4 字节,并添加到字节数组中
|
||||
random_bytes.extend(rand_32_bits.to_bytes(4, 'big'))
|
||||
|
||||
# 将随机字节转换为十六进制字符串
|
||||
hex_string = ubinascii.hexlify(random_bytes).decode()
|
||||
return hex_string
|
||||
|
||||
ws_client()
|
||||
|
||||
@@ -1 +1,41 @@
|
||||
|
||||
|
||||
from SingletonThreadPool import SingletonThreadPool
|
||||
from InterphoneHandler import InterphoneHandler
|
||||
from SystemHandler import SystemHandler
|
||||
|
||||
|
||||
handle_task_id = None
|
||||
|
||||
WS_SOCK = None
|
||||
|
||||
# Wi-Fi配置
|
||||
WIFI_SSID = "JULM"
|
||||
WIFI_PASSWORD = "11223344"
|
||||
|
||||
# WebSocket服务器配置
|
||||
WS_HOST = "websocket.julecn.com"
|
||||
WS_PORT = 80
|
||||
|
||||
|
||||
# I2S 引脚配置
|
||||
BCLK_PIN = 13
|
||||
WS_PIN = 12
|
||||
SD_PIN = 14
|
||||
# 增益控制引脚
|
||||
GAIN_PIN = 15
|
||||
|
||||
# 初始 I2S 配置,后续根据文件实际参数调整
|
||||
SAMPLE_RATE = 16000
|
||||
BITS_PER_SAMPLE = 16 # 修改为 16 位
|
||||
CHANNELS = 2
|
||||
BUFFER_SIZE = 8192
|
||||
|
||||
# 播放标志
|
||||
player_flag = False
|
||||
# 播放名称
|
||||
player_name = None
|
||||
action_handlers = {
|
||||
'interphone': InterphoneHandler(),
|
||||
'system': SystemHandler(),
|
||||
}
|
||||
313
system.py
Normal file
313
system.py
Normal file
@@ -0,0 +1,313 @@
|
||||
import time
|
||||
import urandom
|
||||
import ubinascii
|
||||
import hashlib
|
||||
import _thread
|
||||
import ujson
|
||||
import gc
|
||||
import network
|
||||
import socket
|
||||
import json
|
||||
from machine import reset, Pin
|
||||
|
||||
import shared_vars
|
||||
|
||||
from SingletonThreadPool import SingletonThreadPool
|
||||
|
||||
def connect_wifi(ssid,password):
|
||||
sta_if = network.WLAN(network.STA_IF)
|
||||
if not sta_if.isconnected():
|
||||
print("正在连接Wi-Fi...")
|
||||
sta_if.active(True)
|
||||
sta_if.connect(ssid, password)
|
||||
while not sta_if.isconnected():
|
||||
time.sleep(1)
|
||||
print("Wi-Fi连接成功", sta_if.ifconfig())
|
||||
return sta_if
|
||||
|
||||
def websocket_handshake():
|
||||
|
||||
key = generate_random_hex(32)
|
||||
|
||||
magic = "258EAFA5-E914-47DA-95CA-C5AB0DC85B11" # 修正固定GUID
|
||||
combined = (key + magic).encode() # 拼接密钥和固定GUID
|
||||
|
||||
# 使用hashlib计算SHA1哈希并进行Base64编码
|
||||
sha1_hash = hashlib.sha1(combined).digest() # 获取原始SHA1哈希字节数据
|
||||
accept_key = ubinascii.b2a_base64(sha1_hash).decode().strip() # 转换为Base64字符串并去除换行符
|
||||
|
||||
host = shared_vars.WS_HOST
|
||||
|
||||
handshake = f"GET / HTTP/1.1\r\n" \
|
||||
f"Host: {host}\r\n" \
|
||||
f"Upgrade: websocket\r\n" \
|
||||
f"Connection: Upgrade\r\n" \
|
||||
f"Sec-WebSocket-Key: {key}\r\n" \
|
||||
f"Sec-WebSocket-Version: 13\r\n\r\n"
|
||||
shared_vars.WS_SOCK.send(handshake.encode())
|
||||
|
||||
response = b""
|
||||
while b"\r\n\r\n" not in response:
|
||||
response += shared_vars.WS_SOCK.recv(1)
|
||||
headers, _ = response.split(b"\r\n\r\n", 1)
|
||||
print(f"headers:{headers}")
|
||||
print(f"_{_}")
|
||||
|
||||
if b"101 Switching Protocols" not in headers:
|
||||
raise Exception("握手失败")
|
||||
|
||||
# 提取响应头中的Sec-WebSocket-Accept字段的值
|
||||
accept_header = None
|
||||
for line in headers.split(b'\r\n'):
|
||||
if line.startswith(b'Sec-WebSocket-Accept: '):
|
||||
accept_header = line.split(b': ')[1].decode().strip()
|
||||
break
|
||||
|
||||
if not accept_header or accept_header != accept_key:
|
||||
raise Exception("握手验证失败")
|
||||
|
||||
print("WebSocket握手成功")
|
||||
|
||||
def websocket_receive_thread():
|
||||
"""
|
||||
WebSocket 接收线程,处理消息接收和异常恢复。
|
||||
如果连接异常超过一定时间(如 60 秒),则重启设备。
|
||||
"""
|
||||
print("开始接收消息...")
|
||||
reconnect_timeout = 60 # 超时时间(秒)
|
||||
last_success_time = time.time() # 上次成功接收消息的时间
|
||||
|
||||
while True:
|
||||
try:
|
||||
if shared_vars.WS_SOCK is not None:
|
||||
msg = receive_message(shared_vars.WS_SOCK)
|
||||
if msg:
|
||||
# 有新数据时调用处理方法
|
||||
handle_new_data(msg)
|
||||
last_success_time = time.time() # 更新成功接收时间
|
||||
else:
|
||||
raise Exception("WebSocket 未连接")
|
||||
except Exception as e:
|
||||
print(f"接收数据出错: {e}")
|
||||
time.sleep(1) # 等待一秒后重试
|
||||
|
||||
# 检查是否超时
|
||||
if time.time() - last_success_time > reconnect_timeout:
|
||||
print("连接异常超过超时时间,设备即将重启...")
|
||||
reset() # 重启设备
|
||||
|
||||
def handle_action(action, data):
|
||||
"""
|
||||
根据action调用对应处理器的方法
|
||||
:param action: 格式为"类名.方法名"的字符串
|
||||
:param data: 需要传递的参数
|
||||
"""
|
||||
try:
|
||||
# 分割action为类名和方法名
|
||||
if '.' not in action:
|
||||
return
|
||||
class_part, method_part = action.split('.', 1)
|
||||
|
||||
# 获取对应的处理器实例
|
||||
handler = shared_vars.action_handlers.get(class_part.lower())
|
||||
if not handler:
|
||||
print(f"未注册的处理器类型: {class_part}")
|
||||
return
|
||||
|
||||
# 通过反射获取方法
|
||||
method = getattr(handler, method_part, None)
|
||||
if method and callable(method):
|
||||
print(f"执行 {action} 方法")
|
||||
shared_vars.handle_task_id = generate_random_hex()
|
||||
#method(data)
|
||||
thread_pool = SingletonThreadPool()
|
||||
|
||||
thread_pool.add_task(method,data)
|
||||
|
||||
else:
|
||||
print(f"处理器 {class_part} 没有方法: {method_part}")
|
||||
except Exception as e:
|
||||
print(f"执行 {action} 失败: {str(e)}")
|
||||
|
||||
|
||||
def handle_new_data(data):
|
||||
print(f"接收到新数据: {data}")
|
||||
try:
|
||||
# 解析JSON数据
|
||||
message = ujson.loads(data)
|
||||
action = message.get('action')
|
||||
params = message.get('data')
|
||||
|
||||
if action:
|
||||
print(f"解析到动作指令: {action}")
|
||||
handle_action(action, params)
|
||||
except ValueError:
|
||||
print("无效的JSON格式")
|
||||
except Exception as e:
|
||||
print(f"数据处理异常: {str(e)}")
|
||||
|
||||
|
||||
def receive_message(sock):
|
||||
header = b""
|
||||
while len(header) < 2: # 确保接收到至少2字节头部
|
||||
header += sock.recv(2 - len(header))
|
||||
|
||||
opcode = header[0] & 0x0F
|
||||
mask = header[1] & 0x80
|
||||
payload_len = header[1] & 0x7F
|
||||
|
||||
# 处理扩展载荷长度
|
||||
if payload_len == 126:
|
||||
header += sock.recv(2) # 接收额外2字节长度
|
||||
payload_len = int.from_bytes(header[2:4], "big")
|
||||
elif payload_len == 127:
|
||||
header += sock.recv(8) # 接收额外8字节长度
|
||||
payload_len = int.from_bytes(header[2:10], "big")
|
||||
|
||||
# 提取掩码密钥(如果有)
|
||||
mask_key = b""
|
||||
if mask:
|
||||
mask_key = sock.recv(4)
|
||||
|
||||
# 接收有效载荷并去除头部影响
|
||||
payload = b""
|
||||
while len(payload) < payload_len:
|
||||
payload += sock.recv(payload_len - len(payload))
|
||||
|
||||
# 应用掩码(如果需要)
|
||||
if mask:
|
||||
payload = bytearray(payload)
|
||||
for i in range(len(payload)):
|
||||
payload[i] ^= mask_key[i % 4]
|
||||
payload = bytes(payload)
|
||||
|
||||
return payload.decode() if opcode == 1 else None # 仅处理文本帧
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
def prepare_payload(message):
|
||||
"""
|
||||
准备要发送的消息负载
|
||||
:param message: 要发送的消息
|
||||
:return: 编码后的消息负载
|
||||
"""
|
||||
if isinstance(message, dict):
|
||||
message = json.dumps(message)
|
||||
elif not isinstance(message, str):
|
||||
message = str(message)
|
||||
try:
|
||||
payload = message.encode('utf-8')
|
||||
except Exception as e:
|
||||
print(f"编码消息时发生错误: {e}")
|
||||
raise
|
||||
return payload
|
||||
|
||||
def build_frame_header(payload_len):
|
||||
"""
|
||||
构建WebSocket帧头
|
||||
:param payload_len: 消息负载的长度
|
||||
:return: 构建好的帧头
|
||||
"""
|
||||
fin_rsv_opcode = 0x81 # FIN=1, Opcode=0x01(文本帧)
|
||||
mask_bit = 0x80 # 掩码位必须为1(客户端发送)
|
||||
frame_header = bytearray()
|
||||
|
||||
if payload_len <= 125:
|
||||
frame_header = bytearray([fin_rsv_opcode, mask_bit | payload_len])
|
||||
elif payload_len <= 65535:
|
||||
frame_header = bytearray([fin_rsv_opcode, mask_bit | 126])
|
||||
frame_header += payload_len.to_bytes(2, 'big')
|
||||
else:
|
||||
frame_header = bytearray([fin_rsv_opcode, mask_bit | 127])
|
||||
frame_header += payload_len.to_bytes(8, 'big')
|
||||
|
||||
return frame_header
|
||||
|
||||
def apply_mask(payload, mask_key):
|
||||
"""
|
||||
应用掩码到消息负载
|
||||
:param payload: 消息负载
|
||||
:param mask_key: 掩码密钥
|
||||
:return: 应用掩码后的消息负载
|
||||
"""
|
||||
masked_payload = bytearray(payload)
|
||||
for i in range(len(masked_payload)):
|
||||
masked_payload[i] ^= mask_key[i % 4]
|
||||
return masked_payload
|
||||
|
||||
def send_text(sock, message):
|
||||
"""
|
||||
发送WebSocket文本帧的通用方法
|
||||
:param sock: 已连接的socket对象
|
||||
:param message: 要发送的文本内容
|
||||
:return: 成功返回True,失败返回False
|
||||
"""
|
||||
try:
|
||||
# 准备消息负载
|
||||
payload = prepare_payload(message)
|
||||
payload_len = len(payload)
|
||||
|
||||
# 生成4字节随机掩码密钥(RFC6455要求)
|
||||
mask_key = bytearray(4)
|
||||
|
||||
# 构建帧头
|
||||
frame_header = build_frame_header(payload_len)
|
||||
|
||||
# 添加掩码密钥到帧头
|
||||
frame_header += mask_key
|
||||
|
||||
# 应用掩码到payload(必须步骤)
|
||||
masked_payload = apply_mask(payload, mask_key)
|
||||
|
||||
# 发送完整帧
|
||||
sock.send(frame_header + masked_payload)
|
||||
print(f"已发送文本:{message}")
|
||||
return True
|
||||
|
||||
except Exception as e:
|
||||
print(f"发送失败:{e}")
|
||||
return False
|
||||
|
||||
|
||||
def generate_random_hex(length = 32):
|
||||
# 初始化一个空的字节数组,用于存储随机字节
|
||||
random_bytes = bytearray()
|
||||
# 计算需要的字节数
|
||||
byte_length = (length + 1) // 2
|
||||
# 生成指定长度的随机字节
|
||||
for _ in range(byte_length):
|
||||
rand_8_bits = urandom.getrandbits(8)
|
||||
random_bytes.extend(rand_8_bits.to_bytes(1, 'big'))
|
||||
# 将随机字节转换为十六进制字符串
|
||||
hex_string = ubinascii.hexlify(random_bytes).decode()
|
||||
# 截取指定长度的字符串
|
||||
return hex_string[:length]
|
||||
|
||||
|
||||
|
||||
def force_cleanup():
|
||||
"""强制清理残留资源"""
|
||||
try:
|
||||
shared_vars.WS_SOCK.shutdown(socket.SHUT_RDWR) # 完全关闭套接字
|
||||
except:
|
||||
pass
|
||||
finally:
|
||||
shared_vars.WS_SOCK.close()
|
||||
|
||||
# 终止相关线程(需配合线程管理)
|
||||
_thread.exit() # MicroPython的线程终止方式
|
||||
|
||||
def check_connection_alive():
|
||||
"""连接活性检测(参考TCP状态检测)"""
|
||||
try:
|
||||
# 发送空数据检测写缓冲区
|
||||
shared_vars.WS_SOCK.send(b'\x00')
|
||||
return True
|
||||
except OSError as e:
|
||||
if e.args[0] == 9: # EBADF: 套接字已关闭
|
||||
return False
|
||||
raise
|
||||
|
||||
|
||||
Reference in New Issue
Block a user