add filter process

Decoder.py

@@ -42,49 +42,33 @@ MODEL_FOLDER = "online_Models"
 class Decoder_main(threading.Thread):
     def __init__(self, device_info=None):
         threading.Thread.__init__(self)
-        self.device_info = {
+        self.device_info = device_info
-            'sample_rate': device_info['sample_rate'],
-            'frame_points': device_info['frame_points'],
-            'channel_nums': device_info['channel_nums'],
-            'channel_names': device_info['channel_names'],
-            'channel_index': device_info['channel_index'],
-        }
         self.Runing=True
         self.decoder = None
         self.decoder_class = None #解码器类别
-
-        # 与采集设备通信的状态码，0为异常，1为正常
-        # self.status_code = 0  
-        # self.device_info['sample_rate'] = 250  # 采样率
-        # self.energy = 0  # 电量
-
-
         self.decodingSteps = 0  # 0=停止解码 1=预热 2=解码中 3=解码完成，发送解码结果
 
+
+        self.zmqServer = None
+        self.sliding_filter = None
+
+        self._init_threads()
+
+    def _init_threads(self):
+        """初始化ZMQ服务和滤波线程"""
+        # 1. 初始化ZMQServer并启动
         self.zmqServer = zmqServer(device_info=self.device_info)
-        self.zmqServer.start()
+        self.zmqServer.start()  # 启动ZMQ接收线程
 
-        self.filter = SlidingFilter()
+        # 2. 初始化滤波线程（关联ZMQServer的环形缓存）
+        self.sliding_filter = SlidingFilter(
+            ring_buffer=self.zmqServer.filterBuffer,
+            n_chan=self.zmqServer.device_info['channel_nums'],
+            srate=self.zmqServer.device_info['sample_rate']
+        )
 
-        # self.zmqClient = zmqClient(_upper_host, _upper_port)
+        # 注册滤波结果回调（示例：打印数据形状）
-        # self.zmqClient.set_zmq_server(self.zmqServer)
+        self.sliding_filter.set_result_callback(self.zmqServer.send_filtered_data)
-        # self.zmqClient.connect()
-
-
-    # def connect(self, device_type=None, device_host=None, device_port=None, upper_host=None, upper_port=None):
-    #     self.DeviceType = device_type if device_type is not None else int(IniRead('system', 'Device_type'))
-    #     _device_host = device_host if device_host is not None else str(IniRead('system', 'Device_Host'))
-    #     _device_port = device_port if device_port is not None else int(IniRead('system', 'Device_Port'))
-    #     _upper_host = upper_host if upper_host is not None else str(IniRead('system', 'Upper_Host'))
-    #     _upper_port = upper_port if upper_port is not None else int(IniRead('system', 'Upper_Port'))
-
-    #     if self.DeviceType == 1:
-    #         self.thread_data_server = SunnyLinker64(_device_host, _device_port, self.device_info['sample_rate'], 64, method='tcp')
-    #         self.thread_data_server.host = _device_host
-    #         self.thread_data_server.port = _device_port
-
-    #     self.thread_data_server.toUv = True
-    #     self.thread_data_server.start()
 
 
     def is_valid_signal(self, data, threshold=1e5):  # 判断当前信号是否为有效信号
@@ -210,6 +194,10 @@ class Decoder_main(threading.Thread):
 
     def run(self):
         while self.Runing:
+            # 当滤波数据大于5秒时，启动滤波线程
+            if self.zmqServer.filterBuffer.GetDataLenCount() > self.device_info['sample_rate'] * 5:
+                self.sliding_filter.start()
+            
             if self.zmqServer.decoder_switch or self.zmqServer.changeTarget:
                 print(f"Decoder_class Switch Detected: {self.zmqServer.decoder_class}")
                 self.zmqServer.decoder_switch = False
@@ -487,6 +475,7 @@ class Decoder_main(threading.Thread):
         @return:
         '''
         self.zmqServer.stop()
+        self.sliding_filter.stop()
         self.Runing=False
 
     def reset_state(self):

README.md

@@ -13,13 +13,6 @@ Debug_64ch_Decoder_Optimize is an updated version that fixes several issues and
 6. decoder class切换问题
 7. decoder_class切换时，数据重置、各类参数重置
 
-# update
-2026年6月5日13:55:34
-
-# 遗留问题
-1. 之前当处于阻抗检测状态时，Decoder在空跑。当前无法判断是否处于阻抗检测状态。
-    - 解决方法，保留之前发阻抗命令
-
 
 #  常用命令
 source activate 3in1Py310

Zmq/filterProcess.py

@@ -3,6 +3,7 @@
 数据滤波模块
 """
 import numpy as np
+import time
 import threading
 from scipy import signal
 from logs.log import algo_log
@@ -10,7 +11,7 @@ from logs.log import algo_log
 class FilterRingBuffer:
     def __init__(self, n_chan, n_points):
         """
-        初始化纯数据环形缓存
+        初始化纯数据环形缓存（线程安全）
         :param n_chan: 通道数
         :param n_points: 总缓存点数（与paradigmRingBuffer参数完全一致）
         """
@@ -18,11 +19,9 @@ class FilterRingBuffer:
         self.n_points = n_points
 
         self.buffer = np.zeros((n_chan, n_points), dtype=np.float32)
-        self.current_ptr = 0  # 写入指针
+        self.current_ptr = 0  # 写入指针：指向下一个要写入的位置
         self.total_samples = 0  # 已写入总点数
-        
+        self.lock = threading.Lock()  # 线程安全锁
-        # 线程安全锁（多线程环境必须）
-        self.lock = threading.Lock()
 
     def appendBuffer(self, data):
         """
@@ -34,7 +33,7 @@ class FilterRingBuffer:
             if n == 0:
                 return
 
-            # 环形写入逻辑
+            # 环形写入逻辑：指针到末尾则绕回
             write_end = self.current_ptr + n
             if write_end <= self.n_points:
                 self.buffer[:, self.current_ptr:write_end] = data
@@ -43,13 +42,14 @@ class FilterRingBuffer:
                 self.buffer[:, self.current_ptr:] = data[:, :split]
                 self.buffer[:, :write_end - self.n_points] = data[:, split:]
 
-            # 更新指针和计数
+            # 更新指针（取模保证环形）和计数（不超过缓存总长度）
             self.current_ptr = write_end % self.n_points
             self.total_samples = min(self.total_samples + n, self.n_points)
 
     def getData(self, count):
         """
-        从读指针位置读取count个点（与paradigmRingBuffer接口一致）
+        从最新位置向前读取count个点（环形读取）
+        核心逻辑：current_ptr是下一个写入位置 → 最新数据在current_ptr之前
         :param count: 读取点数
         :return: np.ndarray, shape=(n_chan, count)
         """
@@ -58,13 +58,14 @@ class FilterRingBuffer:
             if count == 0:
                 return np.zeros((self.n_chan, 0))
 
-            # 环形读取逻辑（与paradigmRingBuffer完全相同）
+            # 环形读取：end是当前写入指针（最新数据的下一位），start是end - count
             end = self.current_ptr
             start = end - count
             if start >= 0:
                 return self.buffer[:, start:end].copy()
             else:
-                part1 = self.buffer[:, start:]
+                # 跨环形边界：前半部分从缓存末尾取，后半部分从开头取
+                part1 = self.buffer[:, start:]  # start为负，等价于n_points + start
                 part2 = self.buffer[:, :end]
                 return np.concatenate((part1, part2), axis=1)
 
@@ -72,7 +73,7 @@ class FilterRingBuffer:
         """
         扩展方法：获取最新的n个点（不移动读指针，用于滑动窗口）
         :param n: 点数
-        :return: np.ndarray, shape=(n_chan, n)
+        :return: np.ndarray, shape=(n_chan, n) | None（数据不足时）
         """
         with self.lock:
             if self.total_samples < n:
@@ -93,43 +94,37 @@ class FilterRingBuffer:
 
 # -----------------------------------------------------------------------------
 # 2. 独立滑动滤波类（仅负责滤波业务逻辑，不关心缓存实现）
-# 可替换任意缓存实现，只要实现appendBuffer、get_latest_n_points接口
 # -----------------------------------------------------------------------------
-class SlidingFilter:
+class SlidingFilter(threading.Thread):
     def __init__(
         self,
+        ring_buffer: FilterRingBuffer,
         n_chan=66,
         srate=250,
-        buffer_sec=5,
         window_sec=3,
-        step_sec=0.2,
+        step_sec=0.2,  # 200ms滑动步长
         packet_size=5
     ):
-        """
+        super().__init__(daemon=True)
-        初始化滑动滤波器
-        :param n_chan: 通道数
-        :param srate: 采样率
-        :param buffer_sec: 总缓存时长（秒）
-        :param window_sec: 滤波窗口时长（秒）
-        :param step_sec: 滑动步长/输出时长（秒）
-        :param packet_size: 每包数据点数（20ms一包=5点）
-        """
         # 核心参数
         self.n_chan = n_chan
         self.srate = srate
-        self.buffer_size = int(srate * buffer_sec)
+        self.step_sec = step_sec  # 200ms滑动步长
-        self.window_size = int(srate * window_sec)
+        self.window_sec = window_sec  # 3秒窗口
-        self.step_size = int(srate * step_sec)
+        self.step_sec = step_sec  # 200ms滑动步长
+        self.window_size = int(srate * window_sec)  # 3秒点数：250*3=750
+        self.step_size = int(srate * step_sec)      # 200ms点数：250*0.2=50
         self.packet_size = packet_size
 
-        # 初始化纯数据缓存（解耦核心）
+        # 关联ZMQServer的环形缓存（解耦：仅依赖接口）
-        self.buffer = FilterRingBuffer(n_chan, self.buffer_size)
+        self.ring_buffer = ring_buffer
+        # 线程控制
+        self.running = threading.Event()
+        self.running.set()
+        # 滤波结果回调（外部可注册，获取滤波后的数据）
+        self.filter_result_callback = None
 
-        # 滤波触发计数器
+        # 预计算滤波器系数（仅执行一次）
-        self.packet_count = 0
-        self.ready_to_filter = False
-        
-        # 预计算滤波器系数
         self._init_filters()
 
     def _init_filters(self):
@@ -145,65 +140,60 @@ class SlidingFilter:
         )
         self.a_bp = np.array([1.0])
 
-    def append_and_check_trigger(self, raw_data):
+    def _filter_window_data(self, window_data):
-        """
+        """对3秒窗口数据执行滤波，返回无边界效应的200ms数据"""
-        追加单包原始数据并检查是否触发滤波
-        :param raw_data: 上位机原始数据，shape=(packet_size, n_chan)
-        :return: bool: 是否触发本次滤波
-        """
-        # 转置为标准格式：(通道数, 点数)
-        data = raw_data.T.astype(np.float64)
-        
-        # 写入缓存（纯缓存操作）
-        self.buffer.appendBuffer(data)
-        
-        # 更新包计数器
-        self.packet_count += 1
-        
-        # 检查滤波触发条件：数据≥窗口长度 且 累计满一个步长的包数
-        packets_per_step = int(self.step_size / self.packet_size)  # 10包=200ms
-        if (self.buffer.GetDataLenCount() >= self.window_size 
-            and self.packet_count >= packets_per_step):
-            self.packet_count = 0
-            self.ready_to_filter = True
-            return True
-        return False
-
-    def filter_and_get_output(self):
-        """
-        执行滤波并返回无边界效应的输出数据
-        :return: np.ndarray: 滤波后数据，shape=(n_chan, step_size)
-        """
-        if not self.ready_to_filter:
-            return None
-        
-        # 获取最新的完整滤波窗口数据
-        window_data = self.buffer.get_latest_n_points(self.window_size)
-        if window_data is None:
-            self.ready_to_filter = False
-            return None
-        
         # 零相位滤波（无延迟，无边界效应）
         filtered = window_data - np.mean(window_data, axis=-1, keepdims=True)
         filtered = signal.filtfilt(self.b_notch, self.a_notch, filtered, axis=-1)
         filtered = signal.filtfilt(self.b_bp, self.a_bp, filtered, axis=-1)
 
-        # 提取倒数第二个步长的数据（完全避开两端边界效应）
+        # 提取倒数第二个200ms的数据（完全避开两端边界效应）
+        # 窗口长度750，步长50 → start=750-100=650，end=750-50=700
         start_idx = self.window_size - 2 * self.step_size
         end_idx = self.window_size - self.step_size
         output_data = filtered[:, start_idx:end_idx].copy()
-        
-        # 重置触发标志
-        self.ready_to_filter = False
-        
         return output_data
 
-    def reset(self):
+    def run(self):
-        """重置滤波器和缓存"""
+        """线程主逻辑：精确200ms触发一次滤波"""
-        self.buffer.resetAllPara()
+        # 精确定时核心：基于perf_counter计算下一次执行时间，补偿sleep误差
-        self.packet_count = 0
+        interval = self.step_sec  # 200ms = 0.2秒
-        self.ready_to_filter = False
+        next_run_time = time.perf_counter()
 
-    def get_buffer_length(self):
+        while self.running.is_set():
-        """获取当前缓存数据长度"""
+            # 1. 等待到下一次执行时间（精确定时）
-        return self.buffer.GetDataLenCount()
+            current_time = time.perf_counter()
+            if current_time < next_run_time:
+                time.sleep(next_run_time - current_time)
+                next_run_time += interval  # 补偿：下次执行时间基于上一次目标时间
+            else:
+                # 若超时（如滤波耗时超过200ms），重置下一次时间（避免累积误差）
+                algo_log("滤波耗时超过200ms，定时偏移", level='debug')
+                next_run_time = time.perf_counter() + interval
+
+            # 2. 执行滤波逻辑
+            try:
+                # 获取最新的3秒窗口数据
+                window_data = self.ring_buffer.get_latest_n_points(self.window_size)
+                if window_data is None:
+                    algo_log(f"缓存数据不足，当前缓存{self.ring_buffer.GetDataLenCount()}点，需{self.window_size}点", level='debug')
+                    continue
+
+                # 滤波并提取无边界效应的200ms数据
+                filtered_data = self._filter_window_data(window_data)
+
+                # 回调返回结果（外部可处理）
+                if self.filter_result_callback is not None:
+                    self.filter_result_callback(filtered_data[:64, :])  # 只发送前64通道数据
+
+            except Exception as e:
+                algo_log(f"滤波执行异常: {e}", level='error')
+
+    def set_result_callback(self, callback):
+        """注册滤波结果回调函数"""
+        self.filter_result_callback = callback
+
+    def stop(self):
+        """停止滤波线程"""
+        self.running.clear()
+        self.join(timeout=1)

Zmq/zmqServer.py

@@ -1,3 +1,4 @@
+# -*-coding:utf-8 -*-
 import ast
 import numpy as np
 import threading
@@ -7,7 +8,6 @@ from typing import Dict
 import datetime
 import time
 
-# from Device.SunnyLinker import SunnyLinker64
 from Zmq.dataBuffer import ParadigmRingBuffer
 from Zmq.filterProcess import FilterRingBuffer
 from PubLibrary.InifileHelper import IniRead
@@ -21,63 +21,68 @@ class zmqServer(threading.Thread):
         self.device_info = device_info
         
         self.host = host
-        self.cmd_port = cmd_port    # 命令交互端口
+        self.cmd_port = cmd_port    # 命令交互端口：收JSON命令 + 返JSON结果
-        self.data_port = data_port  # 数据接收端口
+        self.data_port = data_port  # 数据交互端口：收二进制原始脑电 + 返二进制滤波结果
         self.running = False
         
         # 原有业务状态变量
-        # self.get_Impedance = False  # 是否返回阻抗值
+        self.open_Impedance = False   #当前系统处于阻抗检测状态
-        self.open_Impedance = False  # 是否开启阻抗检测功能
+        self.StartDecode = False
-        self.StartDecode = False    # false 停止解码，true=开始解码
+        self.StartTrain = False
-        self.StartTrain = False     # False未进入训练状态，True处于训练状态
+        self.state_mode = None
-        self.state_mode = None      # 'train'为训练状态，’rest'为休息状态,'test'为测试状态
+        self.currentLabel = -1
-        self.currentLabel = -1      # 接收刺激端消息，了解刺激端当前的训练标签
+        self.IsExitApp = False
-        self.IsExitApp = False      # 当socket收到2的时候，就置为True，代表要退出系统了。
-        # self.getReport = False      # 获取训练报告内容
         self.daemon = True
         
-        # 范式数据缓存
+        # 双环形缓冲区
-        self.paradigmBuffer = ParadigmRingBuffer(self.device_info['channel_nums'], self.device_info['sample_rate'] * 10)
+        self.paradigmBuffer = ParadigmRingBuffer(
-        self.filterBuffer = FilterRingBuffer(self.device_info['channel_nums'], self.device_info['sample_rate'] * 10)
+            self.device_info['channel_nums'], 
+            self.device_info['sample_rate'] * 10
+        )
+        self.filterBuffer = FilterRingBuffer(
+            self.device_info['channel_nums'], 
+            self.device_info['sample_rate'] * 10
+        )
         self.paradigmBufferLock = threading.Lock()
+        self.filterBufferLock = threading.Lock()
         
-        
+        # ZMQ上下文与套接字
-        # 命令与数据通信
         self.context = zmq.Context()
-        # 指令通道 (8099) - ROUTER：短JSON命令，低频率
+        
+        # 8099命令端口：ROUTER
         self.cmd_socket = self.context.socket(zmq.ROUTER)
-        # 通用套接字选项：仍在 SocketOption 中
         self.cmd_socket.setsockopt(zmq.SocketOption.RCVHWM, 100)
         self.cmd_socket.setsockopt(zmq.SocketOption.SNDHWM, 100)
         self.cmd_socket.bind(f"tcp://{self.host}:{cmd_port}")
 
-        # 数据通道 (8100) - ROUTER：高频脑电二进制流
+        # 8100数据端口：ROUTER
         self.data_socket = self.context.socket(zmq.ROUTER)
         self.data_socket.setsockopt(zmq.SocketOption.RCVHWM, 500)
+        self.data_socket.setsockopt(zmq.SocketOption.SNDHWM, 100)  # 添加发送高水位线
         self.data_socket.bind(f"tcp://{self.host}:{data_port}")
 
-        # Poller 轮训器（保持不变）
+        # Poller轮询器
         self.poller = zmq.Poller()
         self.poller.register(self.cmd_socket, zmq.POLLIN)
         self.poller.register(self.data_socket, zmq.POLLIN)
                 
         # 业务变量
         self.targetFreqs = []
-        self.changeTarget = False  # 更换目标频率
+        self.changeTarget = False
-        # self.sunnyLinker = SunnyLinker64(None, None, None, None,None) #单例模式类，已在Decoder实例化
         self.labels = [0x01, 0x02, 0x03]
-        self.decoder_switch = False #更换解码器
+        self.decoder_switch = False
-        self.decoder_class = None #解码器类别 'ssvep','ssmvep','mi'
+        self.decoder_class = None
         
-        # 客户端管理 - 区分命令/数据客户端
+        # 客户端管理（单客户端场景）
-        self.cmd_clients = set()    # 命令端口客户端ID
+        self.cmd_clients = set()
-        self.data_clients = set()   # 数据端口客户端ID
+        self.data_clients = set()
-        self.send_queue = queue.Queue()  # 发送队列（仅用于命令端口广播）
+        self.current_data_client = None  # 唯一数据客户端身份，用于发送滤波结果
         
+        # 发送队列（双端口分离）
+        self.cmd_send_queue = queue.Queue()  # 8099端口命令结果队列
+        self.data_send_queue = queue.Queue() # 8100端口滤波数据队列
         
-        # 范式buffer参数, 事件检测相关
+        # 范式buffer与事件检测参数
-        self._event_lock = threading.Lock()
-
         self.predict_event = 99
         self.events = [1, 2, self.predict_event]
         self.latency = 50
@@ -98,60 +103,131 @@ class zmqServer(threading.Thread):
         self.event_inner_idx = -1
         self.interval_inited = False
 
-
     def interval_init(self, decoder_class):
         if decoder_class == 'ssmvep':
             interval_epoch = ast.literal_eval(IniRead('system', 'SSMVEP_IntervalEpoch'))
-            self.interval_epoch = [int(i * self.device_info['sample_rate']) for i in interval_epoch]  # epoch截取信息
+            self.interval_epoch = [int(i * self.device_info['sample_rate']) for i in interval_epoch]
-            self.train_epoch = [int(self.interval_epoch[0]),
+            self.train_epoch = [
-                                int(self.interval_epoch[1] + 0.1 * self.device_info['sample_rate'])]  # 训练样本epoch
+                int(self.interval_epoch[0]),
-            self.latency = (self.interval_epoch[
+                int(self.interval_epoch[1] + 0.1 * self.device_info['sample_rate'])
-                                1] + 0.1 * self.device_info['sample_rate']) // 5  # 提取epoch的延迟标记，5代表每次解包得到的5位采样点;0.1表示比实际需要的长度多取0.1，会被截掉
+            ]
+            self.latency = (self.interval_epoch[1] + 0.1 * self.device_info['sample_rate']) // 5
             self.train_latency = (self.train_epoch[1] + 0.1 * self.device_info['sample_rate']) // 5
 
         elif decoder_class == 'mi':
             interval_epoch = ast.literal_eval(IniRead('system', 'MI_IntervalEpoch'))
-            self.interval_epoch = [int(i * self.device_info['sample_rate']) for i in interval_epoch]  # epoch截取信息
+            self.interval_epoch = [int(i * self.device_info['sample_rate']) for i in interval_epoch]
             self.train_epoch = self.interval_epoch.copy()
-            self.latency = (self.interval_epoch[1]) // 5  # 提取epoch的延迟标记，5代表每次解包得到的5位采样点;
+            self.latency = self.interval_epoch[1] // 5
             self.train_latency = self.latency
 
-        print('时间窗：', (interval_epoch))
+        algo_log(f"时间窗初始化完成: {interval_epoch}", level="INFO")
-        self.count_events: Dict[str, int] = {}  # 表示包延迟的计数信息
+        self.count_events: Dict[str, int] = {}
-        self.event_inner_idx = -1  # event在5位数据包内部的idx
+        self.event_inner_idx = -1
-        self.epoch_finished = False  # 接收epoch是否完整
+        self.epoch_finished = False
-        self.pack_contain_event = False  # 当前包是否含有event
+        self.pack_contain_event = False
         self.predict_event = 99
         self.events = [1, 2, self.predict_event]
         self.interval_inited = True
 
+    # -------------------------- 8099端口：命令结果广播 --------------------------
     def broadcast_message(self, method, params):
-        """Put message into queue to be sent to all command clients"""
+        """
-        self.send_queue.put((method, params))
+        向所有8099端口客户端广播JSON格式的命令结果
+        用于：解码结果、训练状态、错误提示、进度通知等
+        """
+        self.cmd_send_queue.put((method, params))
 
-    def _handle_cmd_message(self, frames):
+    def _process_cmd_send_queue(self):
-        """处理命令端口消息（原有命令交互逻辑）"""
+        """处理8099端口发送队列，在主线程执行（保证ZMQ线程安全）"""
-        if len(frames) < 3:
+        while not self.cmd_send_queue.empty():
+            method, params = self.cmd_send_queue.get()
+            if not self.cmd_clients:
+                continue
+                
+            try:
+                msg = {'method': method, 'params': params}
+                msg_bytes = json.dumps(msg).encode('utf-8')
+
+                algo_log(f"发送命令结果: {msg}", level="DEBUG")
+                
+                # 广播到所有命令客户端
+                for client_id in list(self.cmd_clients):
+                    try:
+                        self.cmd_socket.send_multipart([client_id, b"", msg_bytes])
+                    except Exception as e:
+                        algo_log(f"向命令客户端{client_id}发送失败: {e}", level="ERROR")
+                        self.cmd_clients.discard(client_id)
+                        
+            except Exception as e:
+                algo_log(f"命令结果打包失败: {e}", level="ERROR")
+
+    # -------------------------- 8100端口：滤波结果发送 --------------------------
+    def send_filtered_data(self, filtered_data):
+        """
+        向8100端口客户端发送二进制格式的滤波结果
+        用于：上位机实时绘图的脑电波形数据
+        :param filtered_data: 滤波后数据，shape=(通道数, 50)，float64格式
+        """
+        if self.current_data_client is None:
+            algo_log("数据客户端未连接，跳过滤波数据发送", level="WARNING")
             return
+            
+        # 转置为上位机需要的[50, 通道数]格式
+        filtered_data = filtered_data.T.astype(np.float32)
+        send_buf = filtered_data.tobytes()
+        algo_log(f"发送滤波数据，长度: {len(send_buf)}字节, filtered_data.shape: {filtered_data.shape}", level="DEBUG")
+        self.data_send_queue.put(send_buf)
+
+    def _process_data_send_queue(self):
+        """处理8100端口发送队列，在主线程执行（保证ZMQ线程安全）"""
+        while not self.data_send_queue.empty():
+            send_buf = self.data_send_queue.get()
+            if self.current_data_client is None:
+                continue
+                
+            try:
+                # 标准ROUTER发送格式：[客户端ID, 空分隔帧, 数据帧]
+                self.data_socket.send_multipart([
+                    self.current_data_client, 
+                    b"", 
+                    send_buf
+                ])
+                algo_log(f"发送滤波数据成功，长度: {len(send_buf)}字节", level="DEBUG")
+                
+            except Exception as e:
+                algo_log(f"发送滤波数据失败: {e}", level="ERROR")
+                # 客户端断开，重置身份
+                self.current_data_client = None
+                self.data_clients.clear()
+
+    # -------------------------- 命令端口消息处理 --------------------------
+    def _handle_cmd_message(self, frames):
+        """处理8099端口JSON命令消息"""
+        if len(frames) < 3:
+            algo_log(f"无效命令帧：长度不足3帧，实际{len(frames)}", level="ERROR")
+            return
+        
         ident, _, message_bytes = frames[:3]
         
         # 注册新的命令客户端
         if ident not in self.cmd_clients:
             self.cmd_clients.add(ident)
-            algo_log(f"New CMD Client Connected: {ident} (port: {self.cmd_port})")
+            algo_log(f"新命令客户端连接成功: {ident}", level="INFO")
         
-        # 解析消息
+        # 解析JSON命令
         try:
             message = json.loads(message_bytes.decode('utf-8'))
         except json.JSONDecodeError:
-            algo_log(f"Invalid JSON from CMD client {ident}")
+            algo_log(f"无效JSON命令: {message_bytes.hex()}", level="ERROR")
+            self.broadcast_message("error", {"code": 400, "message": "无效JSON格式"})
             return
-        algo_log(f"Received CMD request: {message}")
             
+        algo_log(f"收到命令: {message}", level="INFO")
         method = message.get("method")
         params = message.get("params")
 
-        # 原有命令处理逻辑
+        # 命令处理逻辑
         if method == "sync":
             self.state_mode = 'sync'
         elif method == "targetFreqs":
@@ -163,108 +239,89 @@ class zmqServer(threading.Thread):
                 self.changeTarget = True
         elif method == "decoderClass":
             if not isinstance(params, str):
-                algo_log(f"decoderClass must be a str")
+                algo_log(f"decoderClass必须是字符串")
                 return
             if params != self.decoder_class:
                 self.decoder_class = params
                 self.decoder_switch = True
-        elif method == "train":#训练状态
+        elif method == "train":
             self.state_mode = 'train'
             self.StartTrain = True
-            self.currentLabel = params  # 当前刺激端的训练标签
+            self.currentLabel = params
-            # self.sunnyLinker.push_trigger(self.labels[self.currentLabel])
+        elif method == "predict":
-        elif method == "predict":#预测状态
             self.state_mode = 'predict'
             if params == 1: #开始解码
                 self.StartDecode = True
-                # self.sunnyLinker.push_trigger(0x63)
             elif params == 2: #停止解码
                 self.IsExitApp = True
                 self.running = False
-        elif method == "rest": #休息状态
+        elif method == "rest":
             self.state_mode = 'rest'
         elif method == "impedance":
             if params == 1:
-                self.open_Impedance = True  # 开启阻抗
+                self.open_Impedance = True
-                # self.get_Impedance = True  # 返回阻抗
             elif params == 2:
-                self.open_Impedance = False  # 关闭阻抗
+                self.open_Impedance = False
         else:
-            algo_log(f"未知命令：{method}", level="WARNING")
+            self.broadcast_message("error", {"code": 404, "message": f"未知命令: {method}"})
-
-        # elif method == "getReport":
-        #     self.getReport = True
-
-        #     elif params == 2:
-        #         self.open_Impedance = False  # 关闭阻抗
-        #         self.get_Impedance = False  # 停止返回阻抗
 
+    # -------------------------- 数据端口消息处理 --------------------------
     def _handle_data_message(self, frames):
-        """
+        """处理8100端口二进制脑电数据消息"""
-        处理8100端口原始脑电二进制数据
+        algo_log(f"收到数据帧，总帧数：{len(frames)}", level="DEBUG", record_once=True)
-        固定格式：上位机发送 (5,66) float32 二维数组字节流（已转换为微伏物理量）→ 转置为 (66,5) 写入双缓冲区
+        # 然后再进行解析
-        """
+        if len(frames) == 4:
-        # 1. 校验ZMQ消息帧完整性（ROUTER接收DEALER消息的帧格式：[客户端ID, 发送方ID, 空帧, 数据帧]）
+            # 你的上位机格式
-        if len(frames) < 4:  # 至少需要4帧
+            ident, sender_ident, empty_sep, data_bytes = frames[:4]
-            algo_log(f"Invalid data frame: 帧数量不足，期望≥4，实际{len(frames)}", level="ERROR")
+        elif len(frames) == 3:
+            # 标准格式
+            ident, empty_sep, data_bytes = frames[:3]
+        else:
             return
-        
+        # 注册新的数据客户端（单客户端场景，自动覆盖旧身份）
-        # 2. 正确解析帧（适配DEALER→ROUTER的帧格式）
+        if ident not in self.data_clients:
-        client_ident, sender_ident, empty_sep, data_bytes = frames[:4]
+            self.data_clients.clear()  # 单客户端，只保留最新连接
-        if empty_sep != b'':  # 校验空分隔帧
+            self.data_clients.add(ident)
-            algo_log(f"Invalid frame separator: 期望空字节，实际{empty_sep}", level="ERROR")
+            self.current_data_client = ident
-            return
+            algo_log(f"新数据客户端连接成功: {ident}", level="INFO")
-
-        # 3. 客户端管理（单客户端场景，自动更新最新身份）
-        if client_ident not in self.data_clients:
-            self.data_clients.add(client_ident)
-            self.current_data_client = client_ident  # 保存唯一客户端身份，用于后续回复滤波结果
-            print(f"[INFO] 新数据客户端连接成功：{client_ident}")
-
         try:
-            # 4. 精确长度校验（核心：固定(5,66) float32 = 5*66*4=1320字节）
+            # 精确长度校验
-            EXPECTED_BYTES = self.device_info['frame_points'] * self.device_info['channel_nums'] * 4  # 每个float32占4字节
+            EXPECTED_BYTES = self.device_info['frame_points'] * self.device_info['channel_nums'] * 4
             if len(data_bytes) != EXPECTED_BYTES:
-                algo_log(f"[ERROR] 数据长度错误：期望{EXPECTED_BYTES}字节，实际{len(data_bytes)}字节", level="ERROR")
+                algo_log(f"数据长度错误：期望{EXPECTED_BYTES}字节，实际{len(data_bytes)}字节", level="ERROR")
                 return
 
-            # 5. 零拷贝二进制解析 + 维度转换
+            # 零拷贝解析 + 维度转换
-            
             data_np = np.frombuffer(data_bytes, dtype=np.float32)
             data_np = data_np.reshape(self.device_info['frame_points'], self.device_info['channel_nums'])
             data_np = data_np.T.astype(np.float64)
 
-            # 6. 写入滤波缓冲区
+            # 写入滤波缓冲区
+            with self.filterBufferLock:
                 self.filterBuffer.appendBuffer(data_np)
             
-            # 7. 写入范式缓冲区
+            # 写入范式缓冲区
-            try:
             with self.paradigmBufferLock:
                 if self.interval_inited:
                     self.epoch_finished = self.detect_event(data_np)
                     if self.pack_contain_event:
-                            self.paradigmBuffer.resetAllPara()  # 检测到当前pack含有event，清除ringbuffer中之前的数据
+                        self.paradigmBuffer.resetAllPara()
                     self.paradigmBuffer.appendBuffer(data_np)
                     if self.epoch_finished:
-                            time.sleep(0.005)
+                        algo_log('Epoch采集完成: ' + datetime.datetime.now().strftime('%H:%M:%S.%f')[:-3], level="DEBUG")
-                            algo_log('epoch_finished: ' + datetime.datetime.now().strftime('%H:%M:%S.%f')[:-3], level="DEBUG")
                 else:
                     self.paradigmBuffer.appendBuffer(data_np)
-            except Exception as e:
-                print("锁：写入异常",e)
-            self.paradigmBuffer.appendBuffer(data_np)
-
-            # algo_log(f"数据写入成功：shape={data_np.shape}, 范围=[{data_np.min():.2f}, {data_np.max():.2f}] μV", level="DEBUG")
 
         except Exception as e:
-            algo_log(f"数据处理失败：{str(e)}", level="ERROR")
+            algo_log(f"数据处理失败: {str(e)}", level="ERROR")
             if IniRead('system', 'algo_log_level', 'INFO') == 'DEBUG':
                 import traceback
                 traceback.print_exc()
 
-    # 检测是否含有标签
+    # -------------------------- 事件检测 --------------------------
     def detect_event(self, samples):
         self.pack_contain_event = False
+        # 第65通道为事件通道
         events = np.array(samples[-2])[0].tolist()
         for idx, event in enumerate(events):
             if int(event) in self.events:
@@ -281,76 +338,54 @@ class zmqServer(threading.Thread):
                     self.count_events[new_key] = self.train_latency + 1
                 self.event_inner_idx = idx
                 self.pack_contain_event = True
+                
+        # 倒计时并清理过期事件
         drop_items = []
         for key, value in self.count_events.items():
-            value = value - 1
+            value -= 1
             if value == 0:
                 drop_items.append(key)
             self.count_events[key] = value
+            
         for key in drop_items:
             del self.count_events[key]
+            
         if drop_items:
             return True
         return False
-
+    # -------------------------- 主循环 --------------------------
-
-
-    def _process_send_queue(self):
-        """处理发送队列，向所有命令客户端广播消息"""
-        while not self.send_queue.empty():
-            method, params = self.send_queue.get()
-            if self.cmd_clients:
-                try:
-                    msg = {'method': method, 'params': params}
-                    msg_bytes = json.dumps(msg).encode('utf-8')
-                    
-                    # 打印日志（隐藏大尺寸数据）
-                    if method in ['single_trial_plot', 'miReport']:
-                        print(f"{{'method': '{method}', 'params': <Base64 Image Data>}}")
-                    else:
-                        print(f"Sending CMD message: {msg}")
-                    
-                    # 广播到所有命令客户端
-                    for client_id in list(self.cmd_clients):
-                        try:
-                            self.cmd_socket.send_multipart([client_id, b'', msg_bytes])
-                        except Exception as e:
-                            print(f"Error sending to CMD client {client_id}: {e}")
-                            self.cmd_clients.discard(client_id)  # 移除失效客户端
-                except Exception as e:
-                    print(f"Error preparing broadcast: {e}")
-
     def run(self):
         self.running = True
-        algo_log(f"algo ZMQ Server started - CMD Port: {self.cmd_port}, DATA Port: {self.data_port}", level="INFO")
+        algo_log(f"ZMQ服务器启动成功 - 命令端口: {self.cmd_port}, 数据端口: {self.data_port}", level="INFO")
         
         try:
             while self.running:
-                # 1. 处理发送队列（命令端口广播）
+                # 1. 处理两个端口的发送队列（必须在主线程执行）
-                self._process_send_queue()
+                self._process_cmd_send_queue()
+                self._process_data_send_queue()
 
-                # 2. 轮训监听两个Socket的输入事件
+                # 2. 轮询监听两个端口的输入事件
                 socks = dict(self.poller.poll(50))
 
-                # 处理命令端口消息
+                # 处理8099命令端口消息
                 if self.cmd_socket in socks and socks[self.cmd_socket] == zmq.POLLIN:
                     frames = self.cmd_socket.recv_multipart()
                     self._handle_cmd_message(frames)
 
-                # 处理数据端口消息
+                # 处理8100数据端口消息
                 if self.data_socket in socks and socks[self.data_socket] == zmq.POLLIN:
                     frames = self.data_socket.recv_multipart()
                     self._handle_data_message(frames)
 
         except Exception as e:
-            print(f"Server error occurred: {e}")
+            algo_log(f"服务器主循环异常: {e}", level="ERROR")
         finally:
             self.running = False
-            # 关闭所有Socket和上下文
+            # 优雅关闭所有资源
             self.cmd_socket.close()
             self.data_socket.close()
             self.context.term()
-            print("Server sockets and context closed.")
+            algo_log("ZMQ服务器已关闭", level="INFO")
 
     def stop(self):
         """显式关闭服务器"""
@@ -358,10 +393,10 @@ class zmqServer(threading.Thread):
         self.cmd_socket.close()
         self.data_socket.close()
         self.context.term()
-        print(f"Server closed explicitly - CMD Port: {self.cmd_port}, DATA Port: {self.data_port}")
+        algo_log(f"服务器已显式关闭 - 命令端口: {self.cmd_port}, 数据端口: {self.data_port}", level="INFO")
 
 if __name__ == '__main__':
-    # 初始化并启动服务器（默认cmd=8099, data=8100）
+    # 初始化并启动服务器
     server = zmqServer()
     server.start()
     
@@ -370,5 +405,5 @@ if __name__ == '__main__':
         while server.running:
             threading.Event().wait(1)
     except KeyboardInterrupt:
-        print("Received KeyboardInterrupt, stopping server...")
+        algo_log("收到键盘中断信号，正在停止服务器...", level="INFO")
         server.stop()

runDecoder.py

@@ -42,7 +42,7 @@ if __name__ == "__main__":
         # )
 
         device_info= get_device_info(1)
-        algo_log(f"device_info: {device_info}", level="INFO")
+        algo_log(f"device_info: {device_info}", level="DEBUG")
         decoder = Decoder_main(device_info=device_info)
 
         try: