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2 Commits

Author SHA1 Message Date
Ivey Song
34c9115258 brainmapping revise 2026-06-06 10:02:05 +08:00
Ivey Song
69b2802895 删除过去的pth 模型 2026-06-06 10:00:39 +08:00
28 changed files with 1166 additions and 2099 deletions

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@@ -1,7 +1,6 @@
import ast
import glob
import os
import sys
import threading
from datetime import datetime
import multiprocessing as mp
@@ -11,7 +10,7 @@ import torch
from queue import Empty
from scipy import signal
from torch.autograd import Variable
# from Device.SunnyLinker import SunnyLinker64
from Device.SunnyLinker import SunnyLinker64
from SSMVEP.algorithm.tdca import TDCA
from SSMVEP.algorithm.base import generate_cca_references
from concentration.algorithm.calculate_focus import Calculate
@@ -20,48 +19,49 @@ from Zmq.zmqServer import zmqServer
from Zmq.zmqClient import zmqClient
from MI.Algorithm.conformer_2class import onlineTrain
from PubLibrary.InifileHelper import IniRead
from logs.log import algo_log
from SSVEP.dwfbcca import FbccaDw
# from Tools.plot_MI_EEG import plotMain
from Tools.plot_MI_EEG import plotMain
from collections import deque
from Zmq.filterProcess import SlidingFilter
save_train_data = int(IniRead('system', 'save_train_data', 0))
def get_root_path():
"""
Nuitka 打包专用:获取程序根目录(.py 或 .exe 所在目录)
"""
if getattr(sys, 'frozen', False):
# 打包后:返回 exe 所在目录
return os.path.dirname(sys.executable)
else:
# 开发时:返回 py 文件所在目录
return os.path.dirname(os.path.abspath(__file__))
MODEL_FOLDER = "online_Models"
class Decoder_main(threading.Thread):
def __init__(self, device_info=None):
class Decoder_main(threading.Thread, device_type):
def __init__(self, device_type=None):
threading.Thread.__init__(self)
self.device_info = device_info
self.Runing=True
self.decoder = None
self.fs = 250 # 采样率
self.energy = 0 # 电量
self.status_code = 0 # 与采集设备通信的状态码0为异常1为正常
self.decoder_class = None #解码器类别
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.device_info = {
'device_type': None,
'sample_rate': None,
'channel_num': None,
}
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'))
self.zmqServer = zmqServer(device_info=self.device_info)
self.zmqServer.start() # 启动ZMQ接收线程
self.sliding_filter = SlidingFilter(
ring_buffer=self.zmqServer.filterBuffer,
n_chan=self.zmqServer.device_info['channel_nums'],
srate=self.zmqServer.device_info['sample_rate']
)
if self.DeviceType == 1:
self.thread_data_server = SunnyLinker64(_device_host, _device_port, self.fs, 64, method='tcp')
self.thread_data_server.host = _device_host
self.thread_data_server.port = _device_port
# 注册滤波结果回调(示例:打印数据形状)
self.sliding_filter.filter_result_callback = self.zmqServer.send_filtered_data
self.thread_data_server.toUv = True
self.thread_data_server.start()
self.zmqServer = zmqServer()
self.zmqServer.start()
self.zmqClient = zmqClient(_upper_host, _upper_port)
self.zmqClient.set_zmq_server(self.zmqServer)
self.zmqClient.connect()
def is_valid_signal(self, data, threshold=1e5): # 判断当前信号是否为有效信号
# data: (chans, samples)
@@ -78,39 +78,40 @@ class Decoder_main(threading.Thread):
self.decoder_class = decoder_class
if decoder_class == 'ssvep' or decoder_class == 'pvs':
self.n_chan = 8
# self.thread_data_server.interval_inited = False
self.thread_data_server.interval_inited = False
DW_cost_method, self.DW_cost_tv = ast.literal_eval(IniRead('system', 'SSVEP_ThresholdValue'))
self.ListFreq = self.zmqServer.targetFreqs
self.num_target = len(self.ListFreq)
if self.num_target == 0:
return
# 初始化对象 二代算法
self.dw = FbccaDw(self.device_info['sample_rate'], self.num_target, self.n_chan, 5, 5,
self.dw = FbccaDw(self.fs, self.num_target, self.n_chan, 5, 5,
0.2, [2.0, 0.1], [8, 7], 50, DW_cost_method)
# frequence band
self.dw.filterFrequenceBank()
self.dw.setNotchFilterPara()
self.calculateCount = 0
self.referenceData = self.dw.reference(self.ListFreq, int(50 * 0.2 * self.device_info['sample_rate']), 5)
self.referenceData = self.dw.reference(self.ListFreq, int(50 * 0.2 * self.fs),
5)
self.dw.filterInit()
self.dw.onlineInit() # 刺激闪烁的第1s重置 --在线数据采集时
elif decoder_class == 'ssmvep':
self.zmqServer.interval_init(decoder_class)
self.thread_data_server.interval_init(decoder_class)
self.n_chan = 8
self.interval_epoch = ast.literal_eval(IniRead('system', 'SSMVEP_IntervalEpoch')) # [0.2, 2.2]
self.interval_epoch = ast.literal_eval(IniRead('system', 'SSMVEP_IntervalEpoch'))
self.sample_length = round(self.interval_epoch[1] - self.interval_epoch[0], 6) # 解码数据长度2s,# 精确到小数点后6位
self.single_train = 10 # 单类别数量
self.num_target = 2 # 分类目标数目
self.list_freqs = np.array([8, 9]) # 刺激频率
self.list_phase = np.array([0, 0]) # 相位
self.tdca = TDCA(padding_len=5, n_components=1)
self.Yf = generate_cca_references(self.list_freqs, srate=self.device_info['sample_rate'], T=self.sample_length,
self.Yf = generate_cca_references(self.list_freqs, srate=self.fs, T=self.sample_length,
phases=self.list_phase, n_harmonics=5)
self.parameter_init(5,45)
elif decoder_class == 'mi' or decoder_class == 'ma':
self.zmqServer.interval_init(decoder_class)
self.thread_data_server.interval_init(decoder_class)
self.n_chan = 21
self.interval_epoch = ast.literal_eval(IniRead('system', 'MI_IntervalEpoch'))
self.sample_length = round(self.interval_epoch[1] - self.interval_epoch[0], 6) # 解码数据长度2s,# 精确到小数点后6位
@@ -125,7 +126,7 @@ class Decoder_main(threading.Thread):
# self.win_len = 10
# self.win_step = 1
# self.low_threshold, self.high_threshold = ast.literal_eval(IniRead('system', 'concentration_ThresholdValue'))
# self.calculate = Calculate(self.low_threshold, self.high_threshold, self.device_info['sample_rate'], self.win_len)
# self.calculate = Calculate(self.low_threshold, self.high_threshold, self.fs, self.win_len)
# self.interval_epoch = [0, 1]
# self.parameter_init(2, 40)
# # self.eegQueue moved to Calculate class
@@ -137,8 +138,8 @@ class Decoder_main(threading.Thread):
# self.total_samples = 0 # 总采样点数
# self.window_ms = 600 # 检测窗口大小 (ms)
# self.step_ms = 100 # 滑动步长 (ms)
# self.window_samples = int(self.window_ms * self.device_info['sample_rate'] / 1000) # 150个样本点
# self.step_samples = int(self.step_ms * self.device_info['sample_rate'] / 1000) # 25个样本点
# self.window_samples = int(self.window_ms * self.fs / 1000) # 150个样本点
# self.step_samples = int(self.step_ms * self.fs / 1000) # 25个样本点
# self.buffer_size = self.window_samples + self.step_samples * 5
# self.fp1_buffer = deque(maxlen=self.buffer_size)
# self.fp2_buffer = deque(maxlen=self.buffer_size)
@@ -152,11 +153,11 @@ class Decoder_main(threading.Thread):
# self.double_blink_events = [] # 连续眨眼事件记录
# self.last_double_blink_time = 0 # 上次检测到连续眨眼的时间戳
# self.blink_events = []
# self.blink_b, self.blink_a = signal.butter(4, [self.l_freq / (self.device_info['sample_rate'] / 2), self.h_freq / (self.device_info['sample_rate'] / 2)], btype='band')
# self.blink_b, self.blink_a = signal.butter(4, [self.l_freq / (self.fs / 2), self.h_freq / (self.fs / 2)], btype='band')
def parameter_init(self,bandPass_low,bandPass_high):
self.interval_epoch = [int(i * self.device_info['sample_rate']) for i in self.interval_epoch] # epoch截取信息
self.train_epoch = [int(self.interval_epoch[0]), int(self.interval_epoch[1] + 0.1 * self.device_info['sample_rate'])] # 训练样本epoch
self.interval_epoch = [int(i * self.fs) for i in self.interval_epoch] # epoch截取信息
self.train_epoch = [int(self.interval_epoch[0]), int(self.interval_epoch[1] + 0.1 * self.fs)] # 训练样本epoch
self.trainData = [] #训练数据
self.trainLabel = [] #训练标签
self.plotData = [] #报告分析数据
@@ -164,12 +165,12 @@ class Decoder_main(threading.Thread):
self.currentLabel = -1 #刺激界面当前显示的训练标签
self.train_started = False #是否开始训练模型
self.load_model = False # 调用模型是否完成的标志
self.b_notch, self.a_notch = signal.iirnotch(50 / (self.device_info['sample_rate']/2), 30) # 50Hz工频陷波250是采样率30是质量因子
self.b_design = signal.firwin(65, [bandPass_low / (self.device_info['sample_rate']/2), bandPass_high / (self.device_info['sample_rate']/2)], pass_zero=False) # 设计8-30Hz带通滤波器
filePath = os.path.join(get_root_path(), MODEL_FOLDER) + os.sep
self.b_notch, self.a_notch = signal.iirnotch(50 / (self.fs/2), 30) # 50Hz工频陷波250是采样率30是质量因子
self.b_design = signal.firwin(65, [bandPass_low / (self.fs/2), bandPass_high / (self.fs/2)], pass_zero=False) # 设计8-30Hz带通滤波器
fileName = 'Model_' + datetime.now().strftime('%Y-%m-%d-%H-%M-%S')
filePath = './online_Models/'
for old_pth in glob.glob(os.path.join(filePath, '*.pth')):
os.remove(old_pth)
fileName = 'Model_' + datetime.now().strftime('%Y-%m-%d-%H-%M-%S')
self.modelPath = ''.join([filePath, fileName, '.pth'])
self.mp_data_queue = mp.Queue()
self.mp_result_queue = mp.Queue()
@@ -186,13 +187,8 @@ 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 not self.sliding_filter.is_alive() and self.zmqServer.filterBuffer.GetDataLenCount() > self.device_info['sample_rate'] * 5:
algo_log("启动滤波线程", level="DEBUG")
self.sliding_filter.start()
if self.zmqServer.decoder_switch or self.zmqServer.changeTarget:
algo_log(f"Decoder_class Switch Detected: {self.zmqServer.decoder_class}", level="DEBUG")
print(f"Decoder_class Switch Detected: {self.zmqServer.decoder_class}")
self.zmqServer.decoder_switch = False
self.zmqServer.changeTarget = False
self.reset_state() # 切换前先统一清理旧状态
@@ -200,9 +196,57 @@ class Decoder_main(threading.Thread):
# 同步信息
if self.zmqServer.state_mode == 'sync':
# self.zmqClient.send_to_all('sync', self.zmqClient.state)
self.zmqClient.send_to_all('sync', self.zmqClient.state)
self.zmqServer.state_mode = 'rest'
# 状态异常,报告上位机
if self.status_code != self.thread_data_server.status_code:
self.status_code = self.thread_data_server.status_code
self.zmqClient.send_to_all('status_code', int(self.status_code))
print('status code')
# 返回电量
if self.energy != self.thread_data_server.energy:
self.energy = self.thread_data_server.energy
self.zmqClient.send_to_all('energy', int(self.energy))
print('energy')
if self.zmqServer.open_Impedance == True: # 开启阻抗检测功能,仅运行一次
self.thread_data_server.Impedance(True)
print('Impedance')
self.zmqServer.open_Impedance = -1
elif self.zmqServer.open_Impedance == False:
self.thread_data_server.Impedance(False)
self.zmqServer.open_Impedance = -1
if self.zmqServer.get_Impedance: # 返回阻抗值
# print(self.zmqServer.get_Impedance)
# print(self.thread_data_server.GetDataLenCount())
if self.thread_data_server.GetDataLenCount() > 250:
Impe_data = self.thread_data_server.getData(250)
# 计算阻抗
imps = self.thread_data_server.getImpedance(Impe_data,self.zmqServer.decoder_class)
self.zmqClient.send_to_all('impedance', imps.tolist())
else:
pass
if self.zmqServer.getReport: #返回训练报告内容
self.zmqServer.getReport = False
allData = np.array(self.plotData)
allLabel = np.array(self.plotLabel) + 1
nTrials = min(len(allLabel),len(allData))
if nTrials < 30:
self.zmqClient.send_to_all('miReport',0)
else:
allData = allData[:nTrials]
allLabel = allLabel[:nTrials]
ch_names = ['FC3', 'FC1', 'FCZ', 'FC2', 'FC4', 'C5', 'C3', 'C1', 'CZ', 'C2', 'C4', 'C6', 'CP3', 'CP1',
'CP2', 'CP4', 'P3', 'P1', 'PZ', 'P2', 'P4']
compare_names = ['C3', 'CZ', 'C4']
miReport = plotMain(ch_names=ch_names,compare_names=compare_names,Data=allData,labels=allLabel,MI_label=1,Rest_label=2,
fs=self.fs)
self.zmqClient.send_to_all('miReport',miReport)
# --- 取数优先:先执行 decoder消费环形缓冲再处理 plot/report 等重负载 ---
try:
if self.decoder_class == 'ssvep' or self.decoder_class == 'pvs':
self.decoder_SSVEP()
@@ -210,46 +254,52 @@ class Decoder_main(threading.Thread):
self.decoder_SSMVEP()
elif self.decoder_class == 'mi':
self.decoder_MI()
elif self.decoder_class == 'concentration':
self.decoder_concentration()
elif self.decoder_class == 'blink':
self.decoder_blink()
else:
if self.zmqServer.paradigmBuffer.GetDataLenCount() < 25:
time.sleep(0.005)
continue;
self.zmqServer.paradigmBuffer.getData(25)
if self.zmqServer.get_Impedance == False: # 非阻抗检测状态
if self.thread_data_server.GetDataLenCount() < 25:
time.sleep(0.005)
continue;
self.thread_data_server.getData(25)
except Exception as e:
algo_log(f"Decoder Loop Error: {e}")
print(f"Decoder Loop Error: {e}")
import traceback
traceback.print_exc()
time.sleep(0.1) # Prevent CPU spin if error is persistent
def decoder_SSVEP(self):
if self.zmqServer.StartDecode:
self.zmqServer.StartDecode = False
self.decodingSteps = 1
self.zmqServer.paradigmBuffer.resetAllPara()
algo_log('启动SSVEP预测', level="DEBUG")
if self.zmqServer.paradigmBuffer.GetDataLenCount() < 50:
self.thread_data_server.ResetAll()
print('启动预测')
if self.thread_data_server.GetDataLenCount() < 50:
time.sleep(0.005)
return
if self.zmqServer.open_Impedance: # 阻抗检测状态不解码
if self.zmqServer.get_Impedance != False: # 阻抗检测状态不解码
return
data = self.zmqServer.paradigmBuffer.getDataViaSSVEP(50)
algo_log(f"SSVEP取出的{data.shape}, data = {data[:20]}", level="DEBUG")
data = self.thread_data_server.getDataViaSSVEP(50)
data = data[:self.n_chan, :]
if self.decodingSteps == 1 and hasattr(self,'dw'): # 开始预热
self.dw.onlineInit() # 刺激闪烁的第1s重置 --在线数据采集时
self.dw.warmFilter(data) # 预热
self.decodingSteps = 2
algo_log('SSVEP预热数据完成。开始预测', level="DEBUG")
print('预热数据完成。开始预测')
return
if self.decodingSteps == 2 and hasattr(self,'dw'): # 解码中
choosenNum = self.dw.fbccaDWMW(data, self.referenceData, self.DW_cost_tv, self.calculateCount)
self.calculateCount += 1
if choosenNum != -1 and self.is_valid_signal(data):
self.decodingSteps = 3
algo_log('SSVEP预测结果:' + str(choosenNum) + ',计算次数:' + str(self.calculateCount), level="DEBUG")
print('预测结果:' + str(choosenNum) + ',计算次数:' + str(self.calculateCount))
self.calculateCount = 0
if self.decodingSteps == 3: # 发送解码后的信息
self.zmqServer.broadcast_message('result', int(choosenNum))
self.zmqClient.send_to_all('result', int(choosenNum))
self.decodingSteps = 0
algo_log('SSVEP发送给界面完成。', level="DEBUG")
print('发送给界面完成。')
def decoder_SSMVEP(self):
'''模型训练'''
@@ -257,36 +307,39 @@ class Decoder_main(threading.Thread):
self.trainLabel.count(i) >= self.single_train for i in range(len(self.list_freqs))): # 模型尚未训练完成
self.trainData = np.array(self.trainData)
self.trainLabel = np.array(self.trainLabel)
algo_log(f"开始SSMVEP模型训练数据形状{np.shape(self.trainData)},标签形状:{self.trainLabel.shape}", level="DEBUG")
if save_train_data == 1:
now_str = datetime.now().strftime("%Y%m%d_%H%M%S")
save_path = f"{now_str}.npz"
np.savez(save_path, array1=self.trainData, array2=self.trainLabel)
print(np.shape(self.trainData), (self.trainLabel))
# 保存多个数组到文件
# np.savez('20250520_yy.npz', array1=self.trainData, array2=self.trainLabel)
# self.decoder = self.fbtdca.fit(self.trainData, self.trainLabel, Yf=self.Yf)
self.decoder = self.tdca.fit(self.trainData, self.trainLabel, Yf=self.Yf)
now = datetime.now()
formatted_time = now.strftime('%H:%M:%S.%f')[:-3]
algo_log(f"SSMVEP模型训练完成时间{formatted_time}", level="DEBUG")
print('模型训练完成', formatted_time)
self.load_model = True
self.zmqServer.broadcast_message('paradigm', 1)
self.zmqClient.send_to_all('paradigm', 1)
'''训练阶段采集数据'''
if self.zmqServer.state_mode == 'train': # 训练状态
if self.zmqServer.epoch_finished and self.zmqServer.paradigmBuffer.GetDataLenCount() >= \
self.train_epoch[1] + self.zmqServer.event_inner_idx:
if self.zmqServer.StartTrain:
self.currentLabel = self.zmqServer.currentLabel
trainTrial = self.zmqServer.paradigmBuffer.get_SSMVEPData() # 取出所有数据
algo_log(f"取出的:{trainTrial.shape}event{trainTrial[-2, self.zmqServer.event_inner_idx]}", level="DEBUG")
trainTrial = self.preprocess(trainTrial[:self.n_chan, :]) # 预处理
trainTrial = trainTrial[:, self.zmqServer.event_inner_idx + self.train_epoch[
0]:self.zmqServer.event_inner_idx + self.train_epoch[1]]
if trainTrial.shape[1] == (self.train_epoch[1] - self.train_epoch[0]) and isinstance(
self.trainLabel, list) \
and self.trainLabel.count(self.currentLabel) < self.single_train:
self.trainData.append(trainTrial)
self.trainLabel.append(self.currentLabel)
else:
self.zmqServer.StartTrain = False
if self.thread_data_server.epoch_finished == False or self.thread_data_server.GetDataLenCount() < \
self.train_epoch[1] \
+ self.thread_data_server.event_inner_idx:
time.sleep(0.0001)
return
print('训练队列数据:', self.thread_data_server.GetDataLenCount())
trainTrial = self.thread_data_server.get_SSMVEPData() # 取出所有数据
print('取出的: ', trainTrial.shape, 'event: ', trainTrial[-2, self.thread_data_server.event_inner_idx])
trainTrial = self.preprocess(trainTrial[:self.n_chan, :]) # 预处理
trainTrial = trainTrial[:, self.thread_data_server.event_inner_idx + self.train_epoch[
0]:self.thread_data_server.event_inner_idx + self.train_epoch[1]]
print('trial: ', self.thread_data_server.event_inner_idx, self.train_epoch[0], self.train_epoch[1])
if trainTrial.shape[1] == (self.train_epoch[1] - self.train_epoch[0]) and isinstance(
self.trainLabel, list) \
and self.trainLabel.count(self.currentLabel) < self.single_train:
self.trainData.append(trainTrial)
self.trainLabel.append(self.currentLabel)
elif self.zmqServer.state_mode == 'predict': # 测试状态
if self.load_model == False: # 模型尚未训练完成
@@ -297,46 +350,45 @@ class Decoder_main(threading.Thread):
self.zmqServer.StartDecode = False
now = datetime.now()
formatted_time = now.strftime('%H:%M:%S.%f')[:-3]
algo_log(f"SSMVEP模型启动预测 {formatted_time}", level="DEBUG")
if self.zmqServer.epoch_finished == False or self.zmqServer.paradigmBuffer.GetDataLenCount() < \
print('启动预测 ', formatted_time)
if self.thread_data_server.epoch_finished == False or self.thread_data_server.GetDataLenCount() < \
self.interval_epoch[1] \
+ self.zmqServer.event_inner_idx:
+ self.thread_data_server.event_inner_idx:
time.sleep(0.0001)
return
data = self.zmqServer.paradigmBuffer.get_SSMVEPData() # 读取全部数据
algo_log(f"取出的:{data.shape}, event: {data[-2, self.zmqServer.event_inner_idx]}", level="DEBUG")
data = self.thread_data_server.get_SSMVEPData() # 读取全部数据
print('取出的: ', data.shape, 'event: ', data[-2, self.thread_data_server.event_inner_idx])
data = self.preprocess(data[:self.n_chan, :]) # 预处理
data = data[:,
self.zmqServer.event_inner_idx + self.interval_epoch[
0]:self.zmqServer.event_inner_idx + self.interval_epoch[1]]
self.thread_data_server.event_inner_idx + self.interval_epoch[
0]:self.thread_data_server.event_inner_idx + self.interval_epoch[1]]
pad_eeg_test = np.zeros(
(data.shape[0], int((self.sample_length + 0.1) * self.device_info['sample_rate'])))
pad_eeg_test[:, :int(self.sample_length * self.device_info['sample_rate'])] = data
(data.shape[0], int((self.sample_length + 0.1) * self.fs)))
pad_eeg_test[:, :int(self.sample_length * self.fs)] = data
choosenNum, features_2 = self.decoder.predict(pad_eeg_test)
if isinstance(choosenNum, np.ndarray):
choosenNum = choosenNum[0]
algo_log(f"结果:{choosenNum}, rho: {sorted(features_2[0])[-1] - sorted(features_2[0])[-2]}", level="DEBUG")
self.zmqServer.broadcast_message('result', int(choosenNum))
algo_log("SSMVEP发送给界面完成。", level="DEBUG")
print('结果:', choosenNum, 'rho: ', sorted(features_2[0]),
sorted(features_2[0])[-1] - sorted(features_2[0])[-2])
self.zmqClient.send_to_all('result', int(choosenNum))
print('发送给界面完成。')
else: # 休息状态
if self.zmqServer.paradigmBuffer.GetDataLenCount() < 25:
time.sleep(0.005)
return
self.zmqServer.paradigmBuffer.getData(25)
if self.zmqServer.get_Impedance == False: # 非阻抗检测状态
if self.thread_data_server.GetDataLenCount() < 25:
time.sleep(0.005)
return
self.thread_data_server.getData(25)
def decoder_MI(self):
'''模型训练'''
if self.train_started == False and all(
self.trainLabel.count(i) >= self.single_train for i in range(self.num_target)): # 模型尚未训练
self.zmqServer.broadcast_message('paradigm', 2) # 模型训练前,训练集采集完毕,通知上位机
self.zmqClient.send_to_all('paradigm', 2) # 模型训练前,训练集采集完毕,通知上位机
self.train_started = True
self.trainData = np.array(self.trainData)
self.trainLabel = np.array(self.trainLabel) + 1
algo_log(f"MI开始训练训练集{np.shape(self.trainData)}标签shape{np.shape(self.trainLabel)}", level="DEBUG")
if save_train_data == 1:
now_str = datetime.now().strftime("%Y%m%d_%H%M%S")
save_path = f"{now_str}.npz"
np.savez(save_path, array1=self.trainData, array2=self.trainLabel)
# print('训练集:',np.shape(self.trainData), (self.trainLabel))
p = mp.Process(target=onlineTrain, args=(self.mp_data_queue, self.mp_result_queue)) # 开启子进程,训练模型
p.start()
self.mp_data_queue.put({'data': self.trainData, 'label': self.trainLabel, 'modelPath': self.modelPath,
@@ -347,7 +399,7 @@ class Decoder_main(threading.Thread):
try:
result = self.mp_result_queue.get_nowait()
if result['status'] == 'success':
algo_log("MI模型训练完成,加载新模型", level="DEBUG")
print("模型训练完成,加载新模型")
# 调用模型
self.model = torch.load(self.modelPath, weights_only=False)
self.model.eval()
@@ -358,60 +410,63 @@ class Decoder_main(threading.Thread):
with torch.no_grad():
_ = self.model(warmup_data)
self.load_model = True
self.zmqServer.broadcast_message('paradigm', 1) # 模型调用完毕,通知上位机
self.zmqClient.send_to_all('paradigm', 1) # 模型调用完毕,通知上位机
else:
algo_log("MI训练失败: " + result['msg'], level="DEBUG")
print("训练失败:", result['msg'])
except Empty:
pass # 还没完成
except Exception as e:
algo_log("MI模型训练失败: " + str(e), level="DEBUG")
print('模型调用失败: ', e)
'''训练阶段采集数据'''
if self.zmqServer.state_mode == 'train' and self.train_started == False: # 训练状态
if self.zmqServer.epoch_finished and self.zmqServer.paradigmBuffer.GetDataLenCount() >= \
self.interval_epoch[1] + self.zmqServer.event_inner_idx:
algo_log(f"训练队列数据:{self.zmqServer.paradigmBuffer.GetDataLenCount()}", level="DEBUG")
originalTrial = self.zmqServer.paradigmBuffer.get_MIData() # 取出MI导联数据
algo_log(f"取出的:{originalTrial.shape},event: {originalTrial[-2, self.zmqServer.event_inner_idx]}", level="DEBUG")
trainTrial = self.preprocess(originalTrial[:self.n_chan, :]) # 预处理
trainTrial = trainTrial[:, self.zmqServer.event_inner_idx + self.interval_epoch[
0]:self.zmqServer.event_inner_idx + self.interval_epoch[1]]
algo_log(f"trial: {self.zmqServer.event_inner_idx},{self.interval_epoch[0]},{self.interval_epoch[1]}", level="DEBUG")
if trainTrial.shape[1] == (self.interval_epoch[1] - self.interval_epoch[0]) and isinstance(self.trainLabel,
list) \
and self.trainLabel.count(self.currentLabel) < self.single_train:
self.trainData.append(trainTrial)
self.trainLabel.append(self.currentLabel)
algo_log(f"训练集:{np.shape(self.trainData)}", level="DEBUG")
self.plotData.append(originalTrial[:self.n_chan, self.zmqServer.event_inner_idx + self.interval_epoch[
0]:self.zmqServer.event_inner_idx + self.interval_epoch[1]])
self.plotLabel.append(self.currentLabel)
else:
if self.zmqServer.StartTrain:
self.currentLabel = self.zmqServer.currentLabel
self.zmqServer.StartTrain = False
if self.thread_data_server.epoch_finished == False or self.thread_data_server.GetDataLenCount() < \
self.interval_epoch[1] \
+ self.thread_data_server.event_inner_idx:
time.sleep(0.0001)
return
print('训练队列数据:', self.thread_data_server.GetDataLenCount())
originalTrial = self.thread_data_server.get_MIData() # 取出MI导联数据
print('取出的: ', originalTrial.shape, 'event: ', originalTrial[-2, self.thread_data_server.event_inner_idx])
trainTrial = self.preprocess(originalTrial[:self.n_chan, :]) # 预处理
trainTrial = trainTrial[:, self.thread_data_server.event_inner_idx + self.interval_epoch[
0]:self.thread_data_server.event_inner_idx + self.interval_epoch[1]]
print('trial: ', self.thread_data_server.event_inner_idx, self.interval_epoch[0], self.interval_epoch[1])
if trainTrial.shape[1] == (self.interval_epoch[1] - self.interval_epoch[0]) and isinstance(self.trainLabel,
list) \
and self.trainLabel.count(self.currentLabel) < self.single_train:
self.trainData.append(trainTrial)
self.trainLabel.append(self.currentLabel)
print('训练集:', np.shape(self.trainData))
self.plotData.append(originalTrial[:self.n_chan, self.thread_data_server.event_inner_idx + self.interval_epoch[
0]:self.thread_data_server.event_inner_idx + self.interval_epoch[1]])
self.plotLabel.append(self.currentLabel)
elif self.zmqServer.state_mode == 'predict' and self.load_model == True: # 测试状态
if self.zmqServer.StartDecode:
self.zmqServer.StartDecode = False
now = datetime.now()
formatted_time = now.strftime('%H:%M:%S.%f')[:-3]
algo_log(f"MI启动预测 {formatted_time}", level="DEBUG")
print('启动预测 ', formatted_time)
if self.zmqServer.epoch_finished == False or self.zmqServer.paradigmBuffer.GetDataLenCount() < \
if self.thread_data_server.epoch_finished == False or self.thread_data_server.GetDataLenCount() < \
self.interval_epoch[1] \
+ self.zmqServer.event_inner_idx:
+ self.thread_data_server.event_inner_idx:
time.sleep(0.0001)
return
originalData = self.zmqServer.paradigmBuffer.get_MIData() # 读取全部数据
algo_log(f"取出的:{originalData.shape},event: {originalData[-2, self.zmqServer.event_inner_idx]}", level="DEBUG")
originalData = self.thread_data_server.get_MIData() # 读取全部数据
print('取出的: ', originalData.shape, 'event: ', originalData[-2, self.thread_data_server.event_inner_idx])
start = time.time()
data = self.preprocess(originalData[:self.n_chan, :]) # 预处理
data = data[:,
self.zmqServer.event_inner_idx + self.interval_epoch[
0]:self.zmqServer.event_inner_idx + self.interval_epoch[1]]
self.thread_data_server.event_inner_idx + self.interval_epoch[
0]:self.thread_data_server.event_inner_idx + self.interval_epoch[1]]
self.plotData.append(
originalData[:self.n_chan, self.zmqServer.event_inner_idx + self.interval_epoch[
0]:self.zmqServer.event_inner_idx + self.interval_epoch[1]])
originalData[:self.n_chan, self.thread_data_server.event_inner_idx + self.interval_epoch[
0]:self.thread_data_server.event_inner_idx + self.interval_epoch[1]])
test_data = data[np.newaxis, np.newaxis, :, :]
test_data = torch.from_numpy(test_data)
@@ -420,40 +475,134 @@ class Decoder_main(threading.Thread):
Cls = self.model(test_data)
y_pred = torch.max(Cls, 1)[1]
self.plotLabel.append(int(y_pred.item()))
algo_log(f"MI运动意图识别: {y_pred}")
self.zmqServer.broadcast_message('paradigm', int(y_pred.item()))
print('运动意图识别: ', y_pred)
self.zmqClient.send_to_all('result', int(y_pred.item()))
end = time.time()
print(f'发送给界面完成,耗时{end - start:.3f}s。')
else: # 休息状态
if self.zmqServer.paradigmBuffer.GetDataLenCount() < 25:
if self.zmqServer.get_Impedance == False: # 非阻抗检测状态
if self.thread_data_server.GetDataLenCount() < 25:
time.sleep(0.005)
return
self.thread_data_server.getData(25)
def decoder_concentration(self):
if self.zmqServer.state_mode == 'predict':
if self.zmqServer.StartDecode:
self.zmqServer.StartDecode = False
self.thread_data_server.ResetAll()
now = datetime.now()
formatted_time = now.strftime('%H:%M:%S.%f')[:-3]
print('启动专注力预测 ', formatted_time)
if self.thread_data_server.GetDataLenCount() < int(self.win_step * self.fs): # 每win_step得出一次结果
time.sleep(0.005)
return
self.zmqServer.paradigmBuffer.getData(25)
if self.zmqServer.get_Impedance != False: # 阻抗检测状态不解码
return
data = self.thread_data_server.get_concentrateData(int(self.win_step * self.fs)) # 修改每次读取的数据
result = self.calculate.queueOpt(data)
if result is not None:
self.zmqClient.send_to_all('result', int(result))
else: # 休息状态
if self.zmqServer.get_Impedance == False: # 非阻抗检测状态
if self.thread_data_server.GetDataLenCount() < 25:
time.sleep(0.005)
return
self.thread_data_server.getData(25)
# def decoder_concentration(self):
# if self.zmqServer.state_mode == 'predict':
# if self.zmqServer.StartDecode:
# self.zmqServer.StartDecode = False
# self.thread_data_server.ResetAll()
# now = datetime.now()
# formatted_time = now.strftime('%H:%M:%S.%f')[:-3]
# print('启动专注力预测 ', formatted_time)
# if self.thread_data_server.GetDataLenCount() < int(self.win_step * self.device_info['sample_rate']): # 每win_step得出一次结果
# time.sleep(0.005)
# return
# if self.zmqServer.get_Impedance != False: # 阻抗检测状态不解码
# return
# data = self.thread_data_server.get_concentrateData(int(self.win_step * self.device_info['sample_rate'])) # 修改每次读取的数据
# result = self.calculate.queueOpt(data)
# if result is not None:
# self.zmqClient.send_to_all('result', int(result))
# else: # 休息状态
# if self.zmqServer.get_Impedance == False: # 非阻抗检测状态
# if self.thread_data_server.GetDataLenCount() < 25:
# time.sleep(0.005)
# return
# self.thread_data_server.getData(25)
#### Blink detection #####
def check_double_blink(self, current_time):
"""
检查是否检测到连续两次眨眼
@param current_time: 当前眨眼时间戳
@return: True表示检测到连续两次眨眼
"""
if len(self.blink_timestamps) < 2:
return False
# 检查是否在去抖期内
if self.last_double_blink_time > 0:
time_since_last_double_blink = current_time - self.last_double_blink_time
if time_since_last_double_blink < self.double_blink_jitter:
return False # 在去抖期内,忽略连续眨眼检测
last_time = self.blink_timestamps[-1] # 当前眨眼
prev_time = self.blink_timestamps[-2] # 上次眨眼
interval = last_time - prev_time
if interval <= self.double_blink_interval:
return True
return False
def process_blink_detection(self):
"""
在缓冲区数据上执行,单次眨眼检测
"""
if len(self.fp1_buffer) < self.window_samples:
return
fp1_data = np.array(list(self.fp1_buffer)[-self.window_samples:])
fp2_data = np.array(list(self.fp2_buffer)[-self.window_samples:])
# 计算FP1和FP2的平均
fp12_mean = (fp1_data + fp2_data) / 2.0
# 带通滤波
try:
fp12_filtered = signal.filtfilt(self.blink_b, self.blink_a, fp12_mean)
except Exception as e:
print(f"Filter error: {e}")
return
F = np.diff(fp12_filtered)
if len(F) < 3:
return
b, d, e = blink_detection(F, self.fs, self.Dmin, self.Dmax, self.EMin, self.EMax)
if b == 1:
samples_since_last = self.total_samples - self.last_blink_time
time_since_last_ms = (samples_since_last / self.fs) * 1000
if time_since_last_ms >= self.jitterwin: # self.jitterwin 单次眨眼去抖 using time_since_last_ms
self.blink_count += 1
self.last_blink_time = self.total_samples
current_time = time.time()
self.blink_timestamps.append(current_time)
blink_event = {
'count': self.blink_count,
'time': current_time,
'sample_index': self.total_samples,
'duration_ms': d,
'energy': e
}
self.blink_events.append(blink_event)
self.zmqClient.send_to_all('result', 1) # 检测到眨眼信号,通知上位机
if self.check_double_blink(current_time):
self.double_blink_count += 1
interval = self.blink_timestamps[-1] - self.blink_timestamps[-2]
double_blink_event = {
'double_blink_count': self.double_blink_count,
'blink1_time': self.blink_timestamps[-2],
'blink2_time': self.blink_timestamps[-1],
'interval': interval
}
self.double_blink_events.append(double_blink_event)
self.last_double_blink_time = current_time
self.zmqClient.send_to_all('result', 2) # 发送双次眨眼事件
def decoder_blink(self):
if self.thread_data_server.GetDataLenCount() < 50:
time.sleep(0.005)
return
if self.zmqServer.get_Impedance == False: # 非阻抗检测状态
data = self.thread_data_server.get_blinkData(50)
fp1_data = data[0, :] # ch1 (相当于FP1)
fp2_data = data[1, :] # ch2 (相当于FP2)
for i in range(len(fp1_data)):
self.fp1_buffer.append(fp1_data[i])
self.fp2_buffer.append(fp2_data[i])
self.total_samples += 1
self.sample_counter += 1
if self.sample_counter >= self.step_samples:
self.process_blink_detection()
self.sample_counter = 0
def stop(self):
'''
@@ -461,13 +610,12 @@ class Decoder_main(threading.Thread):
@return:
'''
self.zmqServer.stop()
self.sliding_filter.stop()
self.Runing=False
def reset_state(self):
"""清空解码器状态和缓存数据"""
# 重置设备层缓存
self.zmqServer.reset_state()
self.thread_data_server.reset_state()
# 重置解码状态
self.decodingSteps = 0

View File

@@ -82,7 +82,7 @@ class MultiHeadAttention(nn.Module):
values = rearrange(self.values(x), "b n (h d) -> b h n d", h=self.num_heads)
energy = torch.einsum('bhqd, bhkd -> bhqk', queries, keys)
if mask is not None:
fill_value = torch.finfo(torch.float64).min
fill_value = torch.finfo(torch.float32).min
energy.mask_fill(~mask, fill_value)
scaling = self.emb_size ** (1 / 2)

View File

@@ -71,7 +71,7 @@ class MultiHeadAttention(nn.Module):
values = rearrange(self.values(x), "b n (h d) -> b h n d", h=self.num_heads)
energy = torch.einsum('bhqd, bhkd -> bhqk', queries, keys)
if mask is not None:
fill_value = torch.finfo(torch.float64).min
fill_value = torch.finfo(torch.float32).min
energy.mask_fill(~mask, fill_value)
scaling = self.emb_size ** (1 / 2)

View File

@@ -13,14 +13,5 @@ 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
# 常用命令
source activate 3in1Py310
python runDecoder.py
python datamock.py
python ZeroMQClient_mock.py
python system_test.py
# 遗留问题
1. mvep是否要把list freq 开放到config
# update
2026年6月5日13:55:34

View File

@@ -1,73 +0,0 @@
import numpy as np
from scipy.signal import welch
from collections import deque
class Beta_Calculate():
def __init__(self, Threshold_value_low, Threshold_value_high, fs=250, win_len=5, config=None):
self.Threshold_value_low = Threshold_value_low
self.Threshold_value_high = Threshold_value_high
self.fs = fs
self.beta_result = []
self.eegQueue = deque(maxlen=win_len)
def calculate_all(self, data, fs, nperseg=1000):
mean_x = np.mean(data, axis=-1, keepdims=True)
data = data - mean_x
freqs, psd = self.compute_psd_multichannel(data, fs, nperseg)
beta_psd = np.sum(self.band_psd(freqs, psd, (13, 30)))
alpha_psd = np.sum(self.band_psd(freqs, psd, (8, 13)))
theta_psd = np.sum(self.band_psd(freqs, psd, (4, 8)))
print(f"[功率] β={beta_psd:.2f} | α={alpha_psd:.2f} | θ={theta_psd:.2f}")
return beta_psd, alpha_psd, theta_psd
def compute_psd_multichannel(self, data, fs=250, nperseg=1000):
n_samples = data.shape[-1]
if n_samples < nperseg:
nperseg = n_samples
noverlap = 500
if noverlap >= nperseg:
noverlap = int(nperseg / 2)
if nperseg == 0:
return np.array([]), np.zeros((data.shape[0], 0))
freqs, psd = welch(data, fs=fs, nperseg=nperseg, noverlap=noverlap, axis=-1)
return freqs, psd
def band_psd(self, freqs, psd, band):
idx = np.logical_and(freqs >= band[0], freqs <= band[1])
return np.sum(psd[:, idx], axis=-1)
def reset_queue(self):
self.eegQueue.clear()
def queueOpt(self, data):
if data is None or data.size == 0:
return None
if len(self.eegQueue) < self.eegQueue.maxlen:
self.eegQueue.append(data)
else:
self.eegQueue.append(data)
if len(self.eegQueue) == self.eegQueue.maxlen:
eegData = np.hstack([self.eegQueue[i] for i in range(len(self.eegQueue))])
if eegData.size == 0:
return None
eegData -= np.mean(eegData, axis=-1, keepdims=True)
beta_psd, alpha_psd, theta_psd = self.calculate_all(eegData, fs=self.fs, nperseg=1000)
return (beta_psd)

View File

@@ -1,166 +0,0 @@
import zmq
import time
import json
import os
import threading
def receive_messages(socket, stop_event):
"""
后台线程函数,用于持续接收服务器消息
Args:
socket (zmq.Socket): ZeroMQ套接字
stop_event (threading.Event): 停止事件,用于通知线程退出
"""
print("开始持续接收服务器数据...")
print("-" * 50)
while not stop_event.is_set():
try:
# 设置接收超时为1秒避免阻塞
socket.setsockopt(zmq.RCVTIMEO, 1000)
# 接收服务器的消息
frames = socket.recv_multipart()
# DEALER 套接字接收消息格式:[身份标识, 空帧, 消息内容]
# 使用frames[-1]获取最后一帧,无论中间有多少空帧
if len(frames) >= 2:
message = frames[-1].decode('utf-8')
# 尝试解析为JSON格式
try:
json_message = json.loads(message)
# 检查消息长度
json_str = str(json_message)
if len(json_str) > 100:
print(f"收到服务器数据 (JSON): {json_str[:100]}...")
else:
print(f"收到服务器数据 (JSON): {json_message}")
except json.JSONDecodeError:
# 检查消息长度
if len(message) > 100:
print(f"收到服务器数据 (原始): {message[:100]}...")
else:
print(f"收到服务器数据 (原始): {message}")
else:
print(f"收到服务器数据 (格式异常): {frames}")
except zmq.Again:
# 接收超时,继续循环
continue
except Exception as e:
print(f"接收消息时发生错误: {e}")
# 短暂暂停后继续接收
time.sleep(1)
print("接收线程已停止。")
def zero_mq_client(server_address="tcp://127.0.0.1:8099"):
"""
ZeroMQ客户端函数用于与服务器通信
Args:
server_address (str): 服务器地址,格式为"tcp://IP:端口"
"""
# 创建 ZeroMQ 上下文
context = zmq.Context()
# 创建 DEALER 套接字
socket = context.socket(zmq.DEALER)
# 生成唯一的身份标识
identity = str('wdd').encode('utf-8')
socket.setsockopt(zmq.IDENTITY, identity)
try:
# 连接到服务器
print(f"连接到服务器 {server_address}...")
socket.connect(server_address)
# 定义消息集
message_set = [
{"method": "sync", "params": 1},
{"method": "decoderClass", "params": "mi"},
{"method": "decoderClass", "params": "ssvep"},
{"method": "decoderClass", "params": "ssmvep"},
{"method": "decoderClass", "params": "blink"},
{"method": "decoderClass", "params": "concentration"},
{"method": "train", "params": 0},
{"method": "train", "params": 1},
{"method": "rest", "params": 0},
{"method": "predict", "params": 1},
{"method": "getReport", "params": 0}
]
# 打印消息集
print("消息集:")
for i, msg in enumerate(message_set):
print(f"[{i}] {msg}")
print("-" * 50)
# 创建停止事件
stop_event = threading.Event()
# 启动接收线程
receive_thread = threading.Thread(target=receive_messages, args=(socket, stop_event))
receive_thread.daemon = True # 设置为守护线程,主线程退出时自动退出
receive_thread.start()
# 主线程处理控制台输入
print("输入消息序号发送对应消息,输入'q'退出程序:")
while True:
try:
# 获取用户输入
user_input = input("请输入消息序号: ")
# 检查是否退出
if user_input.lower() == 'q':
print("正在退出程序...")
break
# 尝试转换为整数
msg_index = int(user_input)
# 检查序号是否有效
if 0 <= msg_index < len(message_set):
# 获取对应的消息
selected_message = message_set[msg_index]
# 将消息转换为 JSON 字符串
json_message = json.dumps(selected_message)
# 打印发送信息
print(f"\n发送消息 (大小: {len(json_message)} 字节)...")
print(f"消息方法: {selected_message['method']}")
print(f"参数值: {selected_message['params']}")
# DEALER 套接字发送消息,包含身份标识和空帧
socket.send_multipart([identity, json_message.encode('utf-8')])
print("消息发送完成!")
print("-" * 50)
else:
print(f"无效的消息序号,请输入 0-{len(message_set)-1} 之间的数字。")
print("消息集:")
for i, msg in enumerate(message_set):
print(f"[{i}] {msg}")
print("-" * 50)
except ValueError:
print("请输入有效的数字或'q'退出。")
except Exception as e:
print(f"处理输入时发生错误: {e}")
except KeyboardInterrupt:
print("\n程序被手动终止。")
finally:
# 停止接收线程
stop_event.set()
# 等待接收线程停止
time.sleep(1)
# 关闭套接字和上下文
socket.close()
context.term()
print("客户端已关闭。")
if __name__ == "__main__":
zero_mq_client()

View File

@@ -5,13 +5,12 @@
import numpy as np
from scipy import signal
import threading
from logs.log import algo_log
class ParadigmRingBuffer:
def __init__(self, n_chan, n_points):
self.n_chan = n_chan
self.n_points = n_points
self.buffer = np.zeros((n_chan, n_points), dtype=np.float64)
self.buffer = np.zeros((n_chan, n_points))
self.currentPtr = 0
self.readPtr = 0
self.nUpdate = 0
@@ -20,8 +19,7 @@ class ParadigmRingBuffer:
## append buffer and update current pointer
def appendBuffer(self, data):
if self.nUpdate == self.n_points:
# raise Exception("Buffer is full")
algo_log("Buffer is full", record_once=True)
raise Exception("Buffer is full")
n = data.shape[1]
@@ -65,58 +63,15 @@ class ParadigmRingBuffer:
获取最新缓存中每个通道的数量
@return:
'''
return self.nUpdate
# ========== 各范式数据访问接口 ==========
def get_MIData(self):
"""获取MI导联数据 (21通道 + 事件)"""
data = self.getData(self.GetDataLenCount())
rows_to_extract = [8, 15, 12, 14, 18, 23, 16, 59, 50, 58, 17, 45, 29, 11, 10, 19, 20, 61, 51, 60, 21, 64, 65]
row_to_select = np.array(rows_to_extract)
if data.shape[1] > 0:
return data[row_to_select, :]
return np.zeros((len(rows_to_extract), 0))
return self.nUpdate
def get_SSMVEPData(self):
"""获取SSMVEP导联数据 (8通道 + 事件)"""
data = self.getData(self.GetDataLenCount())
rows_to_extract = [13, 3, 2, 46, 9, 54, 47, 55, 64, 65]
row_to_select = np.array(rows_to_extract)
if data.shape[1] > 0:
return data[row_to_select, :]
return np.zeros((len(rows_to_extract), 0))
def getDataViaSSVEP(self, count):
"""获取SSVEP数据 (8通道 + 事件)"""
data = self.getData(count)
rows_to_extract = [13, 3, 2, 46, 9, 54, 47, 55, 64]
row_to_select = np.array(rows_to_extract)
if data.shape[1] > 0:
return data[row_to_select, :]
return np.zeros((len(rows_to_extract), 0))
def get_concentrateData(self, count):
"""获取专注力数据 (2通道)"""
data = self.getData(count)
rows_to_extract = [0, 1]
row_to_select = np.array(rows_to_extract)
if data.shape[1] > 0:
return data[row_to_select, :]
return np.zeros((len(rows_to_extract), 0))
def get_blinkData(self, count):
"""获取眨眼数据 (2通道)"""
data = self.getData(count)
rows_to_extract = [0, 1]
row_to_select = np.array(rows_to_extract)
if data.shape[1] > 0:
return data[row_to_select, :]
return np.zeros((len(rows_to_extract), 0))
# reset buffer
def resetAllPara(self):
self.nUpdate = 0
self.currentPtr = 0
self.readPtr = 0
self.buffer.fill(0.0)
self.readPtr = 0 # add by lizhenhua 清空读指针
self.buffer = np.zeros((self.n_chan, self.n_points)) # add by lizhenhua 清空环形缓冲区

View File

@@ -3,122 +3,132 @@
数据滤波模块
"""
import numpy as np
import time
import threading
from scipy import signal
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
:param n_chan: 通道数
:param n_points: 总缓存点数与paradigmRingBuffer参数完全一致
"""
self.n_chan = n_chan
self.n_points = n_points
self.buffer = np.zeros((n_chan, n_points), dtype=np.float64)
self.current_ptr = 0
self.total_samples = 0
self.lock = threading.Lock() # 仅保护元数据
self.has_new_data = False
self.current_ptr = 0 # 写入指针
self.total_samples = 0 # 已写入总点数
# 线程安全锁(多线程环境必须)
self.lock = threading.Lock()
def appendBuffer(self, data):
n = data.shape[1]
if n == 0:
return
# 仅加锁读取/更新元数据
"""
追加数据到缓存与paradigmRingBuffer接口一致
:param data: 输入数据shape=(n_chan, n_samples)
"""
with self.lock:
old_ptr = self.current_ptr
new_ptr = (old_ptr + n) % self.n_points
new_total = min(self.total_samples + n, self.n_points)
self.has_new_data = True
# 数组写入(耗时操作,移出锁外)
write_end = old_ptr + n
if write_end <= self.n_points:
self.buffer[:, old_ptr:write_end] = data
else:
split = self.n_points - old_ptr
self.buffer[:, old_ptr:] = data[:, :split]
self.buffer[:, :write_end - self.n_points] = data[:, split:]
# 再次加锁更新最终元数据
with self.lock:
self.current_ptr = new_ptr
self.total_samples = new_total
# ========== 新增:获取&清空新数据标记的方法 ==========
def check_and_clear_new_data(self):
"""检查是否有新数据,并一次性清空标记(消费后重置)"""
with self.lock:
flag = self.has_new_data
if flag:
self.has_new_data = False
return flag
n = data.shape[1]
if n == 0:
return
# 环形写入逻辑
write_end = self.current_ptr + n
if write_end <= self.n_points:
self.buffer[:, self.current_ptr:write_end] = data
else:
split = self.n_points - self.current_ptr
self.buffer[:, self.current_ptr:] = data[:, :split]
self.buffer[:, :write_end - self.n_points] = data[:, split:]
# 更新指针和计数
self.current_ptr = write_end % self.n_points
self.total_samples = min(self.total_samples + n, self.n_points)
def getData(self, count):
# 加锁获取最新元数据
"""
从读指针位置读取count个点与paradigmRingBuffer接口一致
:param count: 读取点数
:return: np.ndarray, shape=(n_chan, count)
"""
with self.lock:
count = min(count, self.total_samples)
if count == 0:
return np.zeros((self.n_chan, 0))
# 环形读取逻辑与paradigmRingBuffer完全相同
end = self.current_ptr
start = end - count
# 数据读取、切片、拼接(无锁)
if start >= 0:
res = self.buffer[:, start:end].copy()
else:
part1 = self.buffer[:, start:]
part2 = self.buffer[:, :end]
res = np.concatenate((part1, part2), axis=1).copy()
return res
if start >= 0:
return self.buffer[:, start:end].copy()
else:
part1 = self.buffer[:, start:]
part2 = self.buffer[:, :end]
return np.concatenate((part1, part2), axis=1)
def get_latest_n_points(self, n):
"""
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)
"""
with self.lock:
if self.total_samples < n:
return None
return self.getData(n)
return self.getData(n)
def GetDataLenCount(self):
"""获取当前缓存总点数(兼容原有接口)"""
with self.lock:
return self.total_samples
def resetAllPara(self):
"""重置所有缓存和指针(兼容原有接口)"""
with self.lock:
self.buffer.fill(0.0)
self.current_ptr = 0
self.total_samples = 0
self.has_new_data = False # 重置时清空新数据标记
# -----------------------------------------------------------------------------
# 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(threading.Thread):
class SlidingFilter:
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,
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.step_sec = step_sec # 200ms滑动步长
self.window_sec = window_sec # 3秒窗口
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
# 关联ZMQServer的环形缓存解耦仅依赖接口
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
# 预计算滤波器系数(仅执行一次)
self.buffer_size = int(srate * buffer_sec)
self.window_size = int(srate * window_sec)
self.step_size = int(srate * step_sec)
self.packet_size = packet_size
# 初始化纯数据缓存(解耦核心)
self.buffer = FilterRingBuffer(n_chan, self.buffer_size)
# 滤波触发计数器
self.packet_count = 0
self.ready_to_filter = False
# 预计算滤波器系数
self._init_filters()
def _init_filters(self):
@@ -128,76 +138,71 @@ class SlidingFilter(threading.Thread):
# 8~30Hz带通FIR65阶线性相位
self.b_bp = signal.firwin(
numtaps=65,
cutoff=[0.5/(self.srate/2), 45/(self.srate/2)],
cutoff=[8/(self.srate/2), 30/(self.srate/2)],
pass_zero=False,
window='hamming'
)
self.a_bp = np.array([1.0])
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"""
def append_and_check_trigger(self, raw_data):
"""
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=650end=750-50=700
# 提取倒数第二个步长的数据(完全避开两端边界效应)
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 run(self):
"""线程主逻辑精确200ms触发一次滤波"""
interval = self.step_sec # 200ms = 0.2秒
next_run_time = time.perf_counter()
while self.running.is_set():
# 1. 精确定时等待
current_time = time.perf_counter()
if current_time < next_run_time:
time.sleep(next_run_time - current_time)
next_run_time += interval
else:
algo_log("滤波耗时超过200ms定时偏移", level='debug')
next_run_time = time.perf_counter() + interval
def reset(self):
"""重置滤波器和缓存"""
self.buffer.resetAllPara()
self.packet_count = 0
self.ready_to_filter = False
# ========== 新增核心判断:无新数据则直接跳过 ==========
if not self.ring_buffer.check_and_clear_new_data():
# 无新数据,不执行滤波、不发送数据
continue
# 2. 有新数据,才执行原有滤波逻辑
try:
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}", level='debug')
continue
filtered_data = self._filter_window_data(window_data)
# algo_log(f"滤波后{filtered_data.shape}数据", level='debug')
if self.filter_result_callback is not None:
self.filter_result_callback(filtered_data[:64, :])
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(安全版)"""
# 1. 先设置停止标志Event.clear()是线程安全的)
self.running.clear()
# 2. 核心修复只有线程已启动且正在运行时才调用join
if self.is_alive():
# 等待线程正常退出最多1秒
self.join(timeout=1)
# 超时未退出时打印警告,便于排查问题
if self.is_alive():
algo_log("警告滤波线程在1秒内未正常退出可能存在阻塞操作", level="WARNING")
# 3. 无论线程是否启动,都打印停止日志
algo_log("滤波线程已停止")
def get_buffer_length(self):
"""获取当前缓存数据长度"""
return self.buffer.GetDataLenCount()

View File

@@ -1,410 +1,241 @@
# -*-coding:utf-8 -*-
import ast
import numpy as np
import zmq
import threading
import json
import queue
from typing import Dict
import datetime
import time
from Zmq.dataBuffer import ParadigmRingBuffer
from Zmq.filterProcess import FilterRingBuffer
from PubLibrary.InifileHelper import IniRead
# from Device.SunnyLinker import SunnyLinker64
from dataBuffer import ParadigmRingBuffer
from filterProcess import FilterRingBuffer
from logs.log import algo_log
import zmq
class zmqServer(threading.Thread):
def __init__(self, host='0.0.0.0', cmd_port=8099, data_port=8100, device_info=None):
threading.Thread.__init__(self)
self.device_info = device_info
self.host = host
# test_host = "192.168.254.102"
# self.host = test_host
self.cmd_port = cmd_port # 命令交互端口收JSON命令 + 返JSON结果
self.data_port = data_port # 数据交互端口:收二进制原始脑电 + 返二进制滤波结果
self.cmd_port = cmd_port # 命令交互端口
self.data_port = data_port # 数据接收端口
self.running = False
# 原有业务状态变量
self.open_Impedance = False #当前系统处于阻抗检测状态
self.StartDecode = False
self.StartTrain = False
self.state_mode = None
self.currentLabel = -1
self.IsExitApp = False
# self.get_Impedance = False # 是否返回阻抗值
# self.open_Impedance = None # 是否开启阻抗检测功能
self.StartDecode = False # false 停止解码true=开始解码
self.StartTrain = False # False未进入训练状态True处于训练状态
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 # 接收刺激端消息,了解刺激端当前的训练标签
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
# 双环形缓冲区
self.paradigmBuffer = ParadigmRingBuffer(
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()
# 范式数据缓存
self.paradigmBuffer = ParadigmRingBuffer(66, 2500)
self.filterBuffer = FilterRingBuffer(66, 2500)
# ZMQ上下文与套接字
# 命令与数据通信
self.context = zmq.Context()
# 8099命令端口ROUTER
# 指令通道 (8099) - ROUTER短JSON命令低频率
self.cmd_socket = self.context.socket(zmq.ROUTER)
self.cmd_socket.setsockopt(zmq.SocketOption.RCVHWM, 100)
self.cmd_socket.setsockopt(zmq.SocketOption.SNDHWM, 100)
self.cmd_socket.setsockopt(zmq.RCVHWM, 100) # 指令不需要大缓存100条足够
self.cmd_socket.setsockopt(zmq.SNDHWM, 100)
self.cmd_socket.setsockopt(zmq.TCP_NODELAY, 1) # 禁用Nagle算法降低指令延迟
self.cmd_socket.bind(f"tcp://{self.host}:{cmd_port}")
# 8100数据端口ROUTER
# 数据通道 (8100) - ROUTER高频脑电二进制流
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.setsockopt(zmq.RCVHWM, 500) # 500包=10秒缓存足够应对短时卡顿
self.data_socket.setsockopt(zmq.TCP_NODELAY, 1) # 禁用Nagle算法减少数据传输延迟
self.data_socket.bind(f"tcp://{self.host}:{data_port}")
# Poller轮询器
# Poller 轮训器(保持不变)
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
self.labels = [0x01, 0x02, 0x03]
self.decoder_switch = False
self.decoder_class = None
self.changeTarget = False # 更换目标频率
# 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_class = None #解码器类别 'ssvep','ssmvep','mi'
# 客户端管理(单客户端场景)
self.cmd_clients = set()
self.data_clients = set()
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与事件检测参数
self.predict_event = 99
self.events = [1, 2, self.predict_event]
self.latency = 50
self.train_latency = 50
self.count_events = {}
self.epoch_finished = False
self.pack_contain_event = False
self.event_inner_idx = -1
self.interval_inited = False
# 客户端管理 - 区分命令/数据客户端
self.cmd_clients = set() # 命令端口客户端ID
self.data_clients = set() # 数据端口客户端ID
self.send_queue = queue.Queue() # 发送队列(仅用于命令端口广播)
def reset_state(self):
"""清空采集器状态和缓存数据"""
with self.paradigmBufferLock:
self.paradigmBuffer.resetAllPara()
self.count_events = {}
self.epoch_finished = False
self.pack_contain_event = False
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')) # [0.2, 2.2]
self.interval_epoch = [int(i * self.device_info['sample_rate']) for i in interval_epoch] # [50, 550]
self.train_epoch = [
int(self.interval_epoch[0]),
int(self.interval_epoch[1] + 0.1 * self.device_info['sample_rate'])
] # [50, 575]
self.latency = (self.interval_epoch[1] + 0.1 * self.device_info['sample_rate']) // 5 #115包, 575个点
self.train_latency = (self.train_epoch[1] + 0.1 * self.device_info['sample_rate']) // 5 #120包 600个点
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]
self.train_epoch = self.interval_epoch.copy()
self.latency = self.interval_epoch[1] // 5
self.train_latency = self.latency
algo_log(f"时间窗初始化完成: {interval_epoch}", level="INFO")
self.count_events: Dict[str, int] = {}
self.event_inner_idx = -1
self.epoch_finished = False
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):
"""
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))
"""Put message into queue to be sent to all command clients"""
self.send_queue.put((method, params))
def _process_cmd_send_queue(self):
"""处理8099端口发送队列在主线程执行保证ZMQ线程安全"""
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.float64)
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", record_once=False)
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
])
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"""
"""处理命令端口消息(原有命令交互逻辑)"""
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"新命令客户端连接成功: {ident}", level="INFO")
print(f"New CMD Client Connected: {ident} (port: {self.cmd_port})")
# 解析JSON命令
# 解析消息
try:
message = json.loads(message_bytes.decode('utf-8'))
except json.JSONDecodeError:
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"收到命令: {message}", level="INFO")
print(f"Invalid JSON from CMD client {ident}")
continue
print(f"Received CMD request: {message}")
method = message.get("method")
params = message.get("params")
# 命令处理逻辑
# 原有命令处理逻辑
if method == "sync":
self.state_mode = 'sync'
elif method == "targetFreqs":
if method == "targetFreqs":
if not isinstance(params, list):
algo_log(f"targetFreqs must be a list")
return
print('targetFreqs must be a list')
continue
if params != self.targetFreqs:
self.targetFreqs = params
self.changeTarget = True
elif method == "decoderClass":
if method == "decoderClass":
if not isinstance(params, str):
algo_log(f"decoderClass必须是字符串")
return
print('decoderClass must be a str')
continue
if params != self.decoder_class:
self.decoder_class = params
self.decoder_switch = True
elif method == "train":
if method == "getReport":
self.getReport = True
if method == "train":#训练状态
self.state_mode = 'train'
resp = {
"method": "train_response",
"params": {
"code": 200,
"message": "ok"
}
}
try:
resp_bytes = json.dumps(resp, ensure_ascii=False).encode("utf-8")
self.cmd_socket.send_multipart([ident, b"", resp_bytes])
algo_log(f"train 命令已即时回复客户端 {ident}", level="DEBUG")
except Exception as e:
algo_log(f"train 命令回复失败: {e}", level="ERROR")
return
elif method == "predict":
self.StartTrain = True
self.currentLabel = params # 当前刺激端的训练标签
self.sunnyLinker.push_trigger(self.labels[self.currentLabel])
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":
elif method == "rest": #休息状态
self.state_mode = 'rest'
elif method == "impedance":
if params == 1:
self.open_Impedance = True
elif params == 2:
self.open_Impedance = False
else:
self.broadcast_message("error", {"code": 404, "message": f"未知命令: {method}"})
# elif method == "impedance":
# if params == 1:
# self.open_Impedance = True # 开启阻抗
# self.get_Impedance = True # 返回阻抗
# 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"""
algo_log(f"收到数据帧,总帧数:{len(frames)}", level="DEBUG", record_once=True)
# 然后再进行解析
if len(frames) == 4:
# 你的上位机格式
ident, sender_ident, empty_sep, data_bytes = frames[:4]
elif len(frames) == 3:
# 标准格式
ident, empty_sep, data_bytes = frames[:3]
elif len(frames) == 2:
ident, data_bytes = frames[:2]
else:
"""
处理8100端口原始脑电二进制数据
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
"""
# 1. 校验ZMQ消息帧完整性
if len(frames) < 3:
print(f"[ERROR] 无效数据帧长度不足3帧实际长度={len(frames)}")
return
# 注册新的数据客户端(单客户端场景,自动覆盖旧身份)
ident, _, data_bytes = frames[:3]
# 2. 客户端管理(单客户端场景,自动更新最新身份)
if ident not in self.data_clients:
self.data_clients.clear() # 单客户端,只保留最新连接
self.data_clients.add(ident)
self.current_data_client = ident
algo_log(f"新数据客户端连接成功: {ident}", level="INFO")
self.current_data_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{ident}")
try:
# 精确长度校验
EXPECTED_BYTES = self.device_info['frame_points'] * self.device_info['channel_nums'] * np.dtype(np.float64).itemsize
# 3. 精确长度校验(核心:固定(5,66) float32 = 5*66*4=1320字节与int32字节数相同
EXPECTED_BYTES = 5 * 66 * 4 # 每个float32占4字节
if len(data_bytes) != EXPECTED_BYTES:
algo_log(f"数据长度错误:期望{EXPECTED_BYTES}字节,实际{len(data_bytes)}字节", level="ERROR")
print(f"[ERROR] 数据长度错误:期望{EXPECTED_BYTES}字节,实际{len(data_bytes)}字节")
return
# 零拷贝解析 + 维度转换
data_np = np.frombuffer(data_bytes, dtype=np.float64)
data_np = data_np.reshape(self.device_info['frame_points'], self.device_info['channel_nums'])
# 4. 零拷贝二进制解析 + 维度转换
# 步骤:字节流 → (330,) float32数组 → (5,66) 原始格式 → 转置为 (66,5) 缓冲区标准格式
data_np = np.frombuffer(data_bytes, dtype=np.float32)
# 重塑为上位机原始维度
data_np = data_np.reshape(5, 66)
# 转置为(通道数, 采样点数)标准格式转换为float64保证滤波运算精度
data_np = data_np.T.astype(np.float64)
# 写入滤波缓冲区
with self.filterBufferLock:
self.filterBuffer.appendBuffer(data_np)
# 写入范式缓冲区
with self.paradigmBufferLock:
if self.interval_inited:
self.epoch_finished = self.detect_event(data_np)
if self.pack_contain_event:
self.paradigmBuffer.resetAllPara()
self.paradigmBuffer.appendBuffer(data_np)
if self.epoch_finished:
algo_log('Epoch采集完成: ' + datetime.datetime.now().strftime('%H:%M:%S.%f')[:-3], level="DEBUG")
else:
self.paradigmBuffer.appendBuffer(data_np)
# 5. 同时写入双环形缓冲区方法名与现有类保持一致appendBuffer
# 注意:上位机已发送微伏物理量,无需再乘以增益系数
self.paradigmBuffer.appendBuffer(data_np)
self.filterBuffer.appendBuffer(data_np)
# 生产环境必须注释每秒50次打印会导致CPU占用飙升30%以上
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", record_once=True)
except Exception as e:
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()
algo_log(f"数据处理失败{str(e)}", level="ERROR")
# 调试阶段临时打开,生产环境务必注释
import traceback
traceback.print_exc()
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}")
# -------------------------- 事件检测 --------------------------
def detect_event(self, samples):
self.pack_contain_event = False
# 第65通道为事件通道
event = int(samples[-2][0])
# for idx, event in enumerate(events):
if event in self.events:
new_key = "".join(
[
str(event),
datetime.datetime.now().strftime("%Y-%m-%d \
-%H-%M-%S"),
]
)
self.currentLabel = event
if event == self.predict_event:
self.count_events[new_key] = self.latency + 1
else:
self.count_events[new_key] = self.train_latency + 1
self.event_inner_idx = self.device_info['frame_points'] - 1
# algo_log(f"事件检测到: {event},索引: {idx}", level="DEBUG")
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 -= 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 run(self):
self.running = True
algo_log(f"ZMQ服务器启动成功 - host: {self.host}, 命令端口: {self.cmd_port}, 数据端口: {self.data_port}", level="INFO")
print(f"ZMQ Server started - CMD Port: {self.cmd_port}, DATA Port: {self.data_port}")
try:
while self.running:
# 1. 处理两个端口的发送队列(必须在主线程执行
self._process_cmd_send_queue()
self._process_data_send_queue()
# 1. 处理发送队列(命令端口广播
self._process_send_queue()
# 2. 轮监听两个端口的输入事件
socks = dict(self.poller.poll(50))
# 2. 轮监听两个Socket的输入事件10ms超时避免阻塞
socks = dict(self.poller.poll(10))
# 处理8099命令端口消息
# 处理命令端口消息
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8100数据端口消息
# 处理数据端口消息
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:
algo_log(f"服务器主循环异常: {e}", level="ERROR")
print(f"Server error occurred: {e}")
finally:
self.running = False
# 优雅关闭所有资源
# 关闭所有Socket和上下文
self.cmd_socket.close()
self.data_socket.close()
self.context.term()
algo_log("ZMQ服务器已关闭", level="INFO")
print("Server sockets and context closed.")
def stop(self):
"""显式关闭服务器"""
@@ -412,10 +243,10 @@ class zmqServer(threading.Thread):
self.cmd_socket.close()
self.data_socket.close()
self.context.term()
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")
print(f"Server closed explicitly - CMD Port: {self.cmd_port}, DATA Port: {self.data_port}")
if __name__ == '__main__':
# 初始化并启动服务器
# 初始化并启动服务器默认cmd=8099, data=8100
server = zmqServer()
server.start()
@@ -424,5 +255,5 @@ if __name__ == '__main__':
while server.running:
threading.Event().wait(1)
except KeyboardInterrupt:
algo_log("收到键盘中断信号,正在停止服务器...", level="INFO")
server.stop()
print("Received KeyboardInterrupt, stopping server...")
server.stop()

445
Zmq/zmqServer1.py Normal file
View File

@@ -0,0 +1,445 @@
import numpy as np
import zmq
import threading
import json
import queue
import time
from Device.SunnyLinker import SunnyLinker64, RingBuffer
from collections import deque
class zmqServer(threading.Thread):
def __init__(self, host='0.0.0.0', cmd_port=8099, data_port=8100):
threading.Thread.__init__(self)
self.host = host
self.cmd_port = cmd_port
self.data_port = data_port
self.running = False
self.get_Impedance = False
self.open_Impedance = None
self.StartDecode = False
self.StartTrain = False
self.state_mode = None
self.currentLabel = -1
self.IsExitApp = False
self.getReport = False
self.daemon = True
# ZMQ Context
self.context = zmq.Context()
# 指令通道 (8099) - ROUTER
self.cmd_socket = self.context.socket(zmq.ROUTER)
self.cmd_socket.setsockopt(zmq.RCVHWM, 1000)
self.cmd_socket.setsockopt(zmq.SNDHWM, 1000)
self.cmd_socket.bind(f"tcp://{self.host}:{cmd_port}")
# 数据通道 (8100)) - ROUTER
self.data_socket = self.context.socket(zmq.ROUTER)
self.data_socket.setsockopt(zmq.RCVHWM, 1000)
self.data_socket.setsockopt(zmq.RCVTIMEO, 50)
self.data_socket.bind(f"tcp://{self.host}:{data_port}")
self.targetFreqs = []
self.changeTarget = False
self.sunnyLinker = SunnyLinker64(None, None, None, None, None)
self.labels = [0x01, 0x02, 0x03]
self.decoder_switch = False
self.decoder_class = None
self.cmd_clients = set()
self.data_clients = set()
self.send_queue = queue.Queue()
# ========== 数据缓冲区 (RingBuffer) ==========
# 与 SunnyLinker 保持一致,使用 RingBuffer
# 66 = 64 EEG通道 + 1 事件通道(第65) + 1 标签序号通道(第66)
# 缓存约 10 秒数据 (250Hz * 10s = 2500 点)
self.n_chan = 66
self.t_buffer = 10.0 # 缓冲区时长(秒)
self.__ringBuffer = RingBuffer(self.n_chan, int(self.t_buffer * 250))
# 事件检测相关
self._event_lock = threading.Lock()
self._epoch_finished = False
self._event_inner_idx = -1
self.pack_contain_event = False
self.predict_event = 99
self.events = [1, 2, self.predict_event]
self.count_events = {}
self.latency = 50
self.train_latency = 50
# 当前事件标签序号 (从第66通道获取)
self.current_label_index = 0
# 初始化标志
self._interval_inited = False
self._currentLabel = -1
# 注册的客户端(兼容旧接口)
self.clients = set()
# ========== 事件属性:线程安全访问 ==========
@property
def epoch_finished(self):
with self._event_lock:
return self._epoch_finished
@epoch_finished.setter
def epoch_finished(self, value):
with self._event_lock:
self._epoch_finished = value
@property
def event_inner_idx(self):
with self._event_lock:
return self._event_inner_idx
@event_inner_idx.setter
def event_inner_idx(self, value):
with self._event_lock:
self._event_inner_idx = value
@property
def interval_inited(self):
return self._interval_inited
@interval_inited.setter
def interval_inited(self, value):
self._interval_inited = value
@property
def currentLabel(self):
return self._currentLabel
@currentLabel.setter
def currentLabel(self, value):
self._currentLabel = value
def broadcast_message(self, method, params):
"""Put message into queue to be sent to all connected clients"""
self.send_queue.put((method, params))
# ========== 数据缓冲区操作接口 ==========
def GetDataLenCount(self):
"""返回缓冲区当前数据点数"""
return self.__ringBuffer.nUpdate
def getData(self, count):
"""获取最新count个数据点不消费只读"""
with self.__ringBuffer.RingBufferLock:
count = min(count, self.__ringBuffer.nUpdate)
if count == 0:
return np.zeros((self.n_chan, 0))
# 计算读取范围(从尾部取最新数据)
read_end = (self.__ringBuffer.currentPtr - 1) % self.__ringBuffer.n_points
read_start = (read_end - count + 1) % self.__ringBuffer.n_points
if self.__ringBuffer.currentPtr == 0:
read_start = self.__ringBuffer.n_points - count
read_end = self.__ringBuffer.n_points - 1
if read_start <= read_end:
data = self.__ringBuffer.buffer[:, read_start:read_end + 1]
else:
part1 = self.__ringBuffer.buffer[:, read_start:]
part2 = self.__ringBuffer.buffer[:, :read_end + 1]
data = np.concatenate((part1, part2), axis=1)
return data
def consumeData(self, count):
"""消费(丢弃)指定数量的数据点,从头部移除"""
with self.__ringBuffer.RingBufferLock:
count = min(count, self.__ringBuffer.nUpdate)
self.__ringBuffer.readPtr = (self.__ringBuffer.readPtr + count) % self.__ringBuffer.n_points
self.__ringBuffer.nUpdate -= count
def ResetAll(self):
"""重置缓冲区"""
with self.__ringBuffer.RingBufferLock:
self.__ringBuffer.resetAllPara()
with self._event_lock:
self._epoch_finished = False
self._event_inner_idx = -1
self.pack_contain_event = False
self.count_events.clear()
self.current_label_index = 0
def reset_data_buffer(self):
self.ResetAll()
def reset_state(self):
self.ResetAll()
def interval_init(self, decoder_class):
"""初始化事件检测参数"""
import ast
from PubLibrary.InifileHelper import IniRead
if decoder_class == 'ssmvep':
interval_epoch = ast.literal_eval(IniRead('system', 'SSMVEP_IntervalEpoch'))
self.interval_epoch = [int(i * 250) for i in interval_epoch]
self.train_epoch = [int(self.interval_epoch[0]),
int(self.interval_epoch[1] + 0.1 * 250)]
self.latency = (self.interval_epoch[1] + 0.1 * 250) // 5
self.train_latency = (self.train_epoch[1] + 0.1 * 250) // 5
elif decoder_class == 'mi':
interval_epoch = ast.literal_eval(IniRead('system', 'MI_IntervalEpoch'))
self.interval_epoch = [int(i * 250) for i in interval_epoch]
self.train_epoch = self.interval_epoch.copy()
self.latency = self.interval_epoch[1] // 5
self.train_latency = self.latency
self.count_events = {}
self._event_inner_idx = -1
self._epoch_finished = False
self.pack_contain_event = False
self.predict_event = 99
self.events = [1, 2, self.predict_event]
self._interval_inited = True
# ========== 事件检测 ==========
def detect_event(self, data_matrix):
"""
检测事件通道中的触发信号
@param data_matrix: shape (66, N) - N个采样点的数据
第65行(索引64) = 事件通道
第66行(索引65) = 标签通道
@return: 是否检测到事件
"""
if data_matrix.shape[1] == 0:
return False
self.pack_contain_event = False
event_channel = data_matrix[64, :] # 第65通道 = 标签值(event值)
label_channel = data_matrix[65, :] # 第66通道 = 标签序号(label index)
events = event_channel.tolist()
with self._event_lock:
self._event_inner_idx = -1
self.current_event_label = 0
for idx, event in enumerate(events):
if int(event) in self.events:
self._event_inner_idx = idx
self.current_label_index = int(label_channel[idx])
self.pack_contain_event = True
new_key = f"{event}_{time.time()}"
latency = self.latency if event == self.predict_event else self.train_latency
self.count_events[new_key] = latency + 1
# 延迟计数递减
drop_items = []
for key, value in self.count_events.items():
value = 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:
self._epoch_finished = True
# 检测到事件时清除RingBuffer中之前的数据只保留当前包
if self.pack_contain_event:
self.__ringBuffer.resetAllPara()
return True
self._epoch_finished = False
return False
def run(self):
self.running = True
print(f"Server running - CMD: {self.cmd_port}, DATA: {self.data_port}")
cmd_poller = zmq.Poller()
cmd_poller.register(self.cmd_socket, zmq.POLLIN)
data_poller = zmq.Poller()
data_poller.register(self.data_socket, zmq.POLLIN)
try:
while self.running:
# --- 处理发送队列 (指令通道) ---
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')
for client_id in list(self.cmd_clients):
try:
self.cmd_socket.send_multipart([client_id, b'', msg_bytes])
except Exception:
pass
except Exception:
pass
# --- 处理指令通道 ---
socks = dict(cmd_poller.poll(10))
if self.cmd_socket in socks:
self._handle_cmd_socket()
# --- 处理数据通道 ---
socks = dict(data_poller.poll(10))
if self.data_socket in socks:
self._handle_data_socket()
except Exception as e:
print(f"Server error: {e}")
finally:
self.running = False
self.cmd_socket.close()
self.data_socket.close()
self.context.term()
def _handle_cmd_socket(self):
"""处理指令通道消息"""
try:
frames = self.cmd_socket.recv_multipart()
if len(frames) < 3:
return
ident, _, message_bytes = frames[:3]
self.cmd_clients.add(ident)
self.clients.add(ident)
message = json.loads(message_bytes.decode('utf-8'))
method = message.get("method")
params = message.get("params")
print(f"[CMD] {method}: {params}")
if method == "sync":
self.state_mode = 'sync'
elif method == "targetFreqs":
if isinstance(params, list) and params != self.targetFreqs:
self.targetFreqs = params
self.changeTarget = True
elif method == "decoderClass":
if isinstance(params, str) and params != self.decoder_class:
self.decoder_class = params
self.decoder_switch = True
elif method == "getReport":
self.getReport = True
elif method == "train":
self.state_mode = 'train'
self.StartTrain = True
self.currentLabel = params
elif method == "predict":
self.state_mode = 'predict'
if params == 1:
self.StartDecode = True
elif params == 2:
self.IsExitApp = True
self.running = False
elif method == "rest":
self.state_mode = 'rest'
elif method == "impedance":
if params == 1:
self.open_Impedance = True
self.get_Impedance = True
elif params == 2:
self.open_Impedance = False
self.get_Impedance = False
except Exception as e:
print(f"CMD socket error: {e}")
def _handle_data_socket(self):
"""处理数据通道消息 (EEG数据)
上位机数据格式:
- 数据帧: [identity, '', meta_json, data_buffer]
data_buffer = [N, 66] float32 -> 转置为 [66, N]
"""
try:
frames = self.data_socket.recv_multipart()
if len(frames) < 4:
return
ident, _, message_bytes = frames[:3]
self.data_clients.add(ident)
meta = json.loads(message_bytes.decode('utf-8'))
# data: [N, 66] -> 转置 -> [66, N]
raw_data = np.frombuffer(frames[3], dtype=np.float32)
n_samples, n_channels = meta.get('shape', [5, 66])
data_matrix = raw_data.reshape(n_samples, n_channels).T.astype(np.float32)
# 写入 RingBuffer
with self.__ringBuffer.RingBufferLock:
self.__ringBuffer.appendBuffer(data_matrix)
# 事件检测
self.detect_event(data_matrix)
except Exception as e:
print(f"DATA socket error: {e}")
# ========== 各范式数据访问接口 ==========
def get_MIData(self):
"""获取MI导联数据 (21通道 + 事件)"""
data = self.getData(self.GetDataLenCount())
rows_to_extract = [8, 15, 12, 14, 18, 23, 16, 59, 50, 58, 17, 45, 29, 11, 10, 19, 20, 61, 51, 60, 21, 64, 65]
row_to_select = np.array(rows_to_extract)
if data.shape[1] > 0:
return data[row_to_select, :]
return np.zeros((len(rows_to_extract), 0))
def get_SSMVEPData(self):
"""获取SSMVEP导联数据 (8通道 + 事件)"""
data = self.getData(self.GetDataLenCount())
rows_to_extract = [13, 3, 2, 46, 9, 54, 47, 55, 64, 65]
row_to_select = np.array(rows_to_extract)
if data.shape[1] > 0:
return data[row_to_select, :]
return np.zeros((len(rows_to_extract), 0))
def getDataViaSSVEP(self, count):
"""获取SSVEP数据 (8通道 + 事件)"""
data = self.getData(count)
rows_to_extract = [13, 3, 2, 46, 9, 54, 47, 55, 64]
row_to_select = np.array(rows_to_extract)
if data.shape[1] > 0:
return data[row_to_select, :]
return np.zeros((len(rows_to_extract), 0))
def get_concentrateData(self, count):
"""获取专注力数据 (2通道)"""
data = self.getData(count)
rows_to_extract = [0, 1]
row_to_select = np.array(rows_to_extract)
if data.shape[1] > 0:
return data[row_to_select, :]
return np.zeros((len(rows_to_extract), 0))
def get_blinkData(self, count):
"""获取眨眼数据 (2通道)"""
data = self.getData(count)
rows_to_extract = [0, 1]
row_to_select = np.array(rows_to_extract)
if data.shape[1] > 0:
return data[row_to_select, :]
return np.zeros((len(rows_to_extract), 0))
def getImpedance(self, data, decoder_class):
"""计算阻抗ZMQ模式下不可用"""
return np.zeros(8)
def stop(self):
self.running = False
self.cmd_socket.close()
self.data_socket.close()
self.context.term()
if __name__ == '__main__':
server = zmqServer()
server.start()

View File

@@ -8,7 +8,6 @@ import os
# import logging
import base64
import io
import math
# logger = logging.getLogger(__name__)
#
@@ -23,7 +22,7 @@ import math
class Calculate():
def __init__(self, Threshold_value_low, Threshold_value_high, fs=250, win_len=10, config=None):
def __init__(self, Threshold_value_low, Threshold_value_high, fs=250, win_len=10):
self.Threshold_value_low = Threshold_value_low
self.Threshold_value_high = Threshold_value_high
self.fs = fs
@@ -31,74 +30,48 @@ class Calculate():
self.CLI_result = []
self.EVI_result = []
self.eegQueue = deque(maxlen=win_len)
# # 存储历史数据用于绘图
# self.beta_history = []
# self.alpha_history = []
# self.theta_history = []
# self.focus_history = []
# self.timestamp_history = []
#
# # 记录开始时间
# self.start_time = None
# self.recording = False
#
# # 图表保存路径
# self.chart_dir = "reports"
# if not os.path.exists(self.chart_dir):
# os.makedirs(self.chart_dir)
# print(f"[调试] 创建目录: {self.chart_dir}")
# 初始化滤波器
self.b_notch, self.a_notch = signal.iirnotch(50 / (self.fs/2), 30)
self.b_design = signal.firwin(65, [2 / (self.fs/2), 40 / (self.fs/2)], pass_zero=False)
self.last_focus = None
# 异步滤波系数配置(核心手感控制纽)
self.alpha_up = 1 # 上升系数:较小,保证分数平滑爬升,过滤偶发的瞬时高能量
# alpha_down / shrink_factor 从 config.ini 读取,方便上位机调参
if config:
self.alpha_down = float(config.get('alpha_down', 0.8))
self.shrink_factor = float(config.get('shrink_factor', 0.5))
else:
self.alpha_down = 0.8
self.shrink_factor = 0.5
print("[调试] Calculate 类初始化完成")
def calculate_focus(self, beta, alpha, theta):
"""
专注度计算 - 三区间门限异步滤波版本
专注度计算 - 固定映射版本
"""
# 0. 频带特征预处理
theta_mod = theta ** 0.7
# 原始比值
raw = beta / (alpha + theta_mod + 1e-10)
exponent = 2.0
# 1. 防止脑电比值出现负数异常值
raw_input = max(raw, 0.0)
# 2. 2次幂纵轴压缩映射 (shrink_factor 从 config.ini 读取)
focus_raw = 100 * self.shrink_factor * (raw_input ** exponent)
# 3. 计算当前帧的瞬时分数 (基准量级 0-120)
instant_focus = 120 * (1.0 - np.exp(-focus_raw / 100.0))
# 4. 核心修改:三区间门限时域滤波
if self.last_focus is None:
# 冷启动:首帧直接赋值
focus = instant_focus
else:
# 判断当前瞬时分数是否处于【极端区】(80以上 或 60以下)
if instant_focus > 85.0 or instant_focus < 60.0:
# 执行异步低通时域滤波
if instant_focus >= self.last_focus:
# 趋势上升:慢爬升
focus = self.alpha_up * instant_focus + (1 - self.alpha_up) * self.last_focus
else:
# 趋势下降:快跌落
focus = self.alpha_down * instant_focus + (1 - self.alpha_down) * self.last_focus
else:
# 【高灵敏自由区】(60 <= instant_focus <= 80)
# 不执行异步滤波,分数直接跟随瞬时值,保证中间状态绝对跟手
focus = instant_focus
# 5. 更新历史状态缓存
self.last_focus = focus
# 打印在线调试日志,方便观察区间切换
zone_tag = "极端区(滤波)" if (instant_focus > 80 or instant_focus < 60) else "自由区(直通)"
print(f"原始特征比值 raw: {raw:.4f} | 瞬时分数: {instant_focus:.1f} | 滤波后分数: {focus:.1f}")
# 最终返回整型
raw = beta / (alpha + theta + 1e-10)
# Sigmoid 映射:让 raw 在 0.3-1.5 区间敏感
# 参数可调:
# k = 12 (斜率,越大越陡)
# x0 = 0.6 (中心点raw=0.6时focus≈50)
k = 12.0
x0 = 0.6
focus = 100.0 / (1.0 + np.exp(-k * (raw - x0)))
# 可选:添加滑动平均平滑
return int(focus)
def calculate_all(self, data, fs, nperseg=1000):
mean_x = np.mean(data, axis=-1, keepdims=True)
data = data - mean_x
@@ -117,7 +90,7 @@ class Calculate():
if len(self.focus_result) > 3:
self.focus_result.pop(0)
final_focus = int(self.simple_moving_average(self.focus_result, window_size=5))
cli_denom = alpha_psd + beta_psd
CLI_score = np.log(theta_psd / (cli_denom + 1e-10)) if cli_denom > 0 else 0
self.CLI_result.append(CLI_score)
@@ -346,16 +319,14 @@ class Calculate():
if eegData.size == 0:
return None
eegData -= np.mean(eegData, axis=-1, keepdims=True)
# eegData = signal.lfilter(self.b_notch, self.a_notch, eegData) # 陷波
# eegData = signal.lfilter(self.b_design, 1, eegData) # 滤波
focus_score, CLI_score, beta_psd, alpha_psd, theta_psd = self.calculate_all(eegData, fs=self.fs, nperseg=1000)
# self.add_data_point(focus_score, beta_psd, alpha_psd, theta_psd) # 已注释(方法已移除)
# return (focus_score)
return (focus_score, beta_psd)
# return None
eegData = signal.lfilter(self.b_notch, self.a_notch, eegData)
eegData = signal.lfilter(self.b_design, 1, eegData)
focus_score, CLI_score, beta, alpha, theta = self.calculate_all(eegData, fs=self.fs, nperseg=1000)
# self.add_data_point(focus_score, beta, alpha, theta)
return focus_score
return None
class Calculate2():

View File

@@ -18,12 +18,11 @@ Upper_Port = 8088
Serial_port = COM44
algo_log_level = DEBUG
console_output = 1
save_train_data = 0
; 64 导设备配置
[device_type_1]
sample_rate = 250
frame_points = 5
channel_nums = 66
channel_names = ['FP1', 'FP2', 'PO6', 'POZ', 'F3', 'F4', 'FPZ', 'AF4', 'FC3', 'PO8', 'CP2', 'CP1', 'FCZ', 'PO5', 'FC2', 'FC1', 'C3', 'C4', 'FC4', 'CP4', 'P3', 'P4', 'F5', 'C5', 'F6', 'PO4', 'CP6', 'CP5', 'PO3', 'CP3', 'FC6', 'FC5', 'CB1', 'CB2', 'P5', 'AF7', 'A1', 'T7', 'FT7', 'TP7', 'FT8', 'AF8', 'F8', 'F7', 'P6', 'C6', 'O2', 'O1', 'T8', 'P7', 'CZ', 'PZ', 'P8', 'FZ', 'OZ', 'PO7', 'TP8', 'AF3', 'C2', 'C1', 'P2', 'P1', 'F2', 'F1', 'label', 'label_tag']
channel_index = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65]
; 64 导设备配置 1; 32 2; 24 3; 16 4; 8 5; 4 6;
[device_type] = 1
device_sample_rate = 250
device_channel_nums = 66
device_channel_names = ['FP1', 'FP2', 'PO6', 'POZ', 'F3', 'F4', 'FPZ', 'AF4', 'FC3', 'PO8', 'CP2', 'CP1', 'FCZ', 'PO5', 'FC2', 'FC1', 'C3', 'C4', 'FC4', 'CP4', 'P3', 'P4', 'F5', 'C5', 'F6', 'PO4', 'CP6', 'CP5', 'PO3', 'CP3', 'FC6', 'FC5', 'CB1', 'CB2', 'P5', 'AF7', 'A1', 'T7', 'FT7', 'TP7', 'FT8', 'AF8', 'F8', 'F7', 'P6', 'C6', 'O2', 'O1', 'T8', 'P7', 'CZ', 'PZ', 'P8', 'FZ', 'OZ', 'PO7', 'TP8', 'AF3', 'C2', 'C1', 'P2', 'P1', 'F2', 'F1', 'label', 'label_tag']
device_channel_index = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65]

View File

@@ -1,164 +0,0 @@
import zmq
import numpy as np
import time
import threading
from datetime import datetime
# ========== 参数配置 ==========
FS = 250 # 采样率 Hz
N_SAMPLES_PER_PKT = 5 # 每包采样点数
N_CHAN = 66 # 通道数: 64 EEG + 1 标签值 + 1 标签序号
EEG_FREQ = 10 # EEG 正弦波频率 Hz
EEG_AMP = 100.0 # EEG 幅值 100μV
LABEL_INTERVAL = 5 # 标签间隔秒数
# SERVER_ADDR = 'tcp://127.0.0.1:8100'
SERVER_ADDR = 'tcp://10.200.27.140:8100'
# 发送间隔: 每包 5 采样点 / 250Hz = 20ms
PKT_INTERVAL = N_SAMPLES_PER_PKT / FS
def build_packet(global_sample_idx):
"""
生成一包 [5, 66] 的 float64 数据
:param global_sample_idx: 当前包第一个采样点在全局序列中的索引 (从 0 开始)
:return: np.ndarray shape [5, 66]
"""
# 当前包内 5 个采样点对应的时间(秒)
t = (global_sample_idx + np.arange(N_SAMPLES_PER_PKT)) / FS
# Ch0-63: EEG 10Hz 正弦波,幅值 100μV
# t shape [5,]sin 乘以标量后仍是 [5,],需要 reshape 为 [5,1] 再广播到 64 通道
eeg = (EEG_AMP * np.sin(2 * np.pi * EEG_FREQ * t)).reshape(N_SAMPLES_PER_PKT, 1) # [5, 1]
eeg = np.tile(eeg, (1, 64)) # [5, 64]
# Ch64: 标签值通道,初始化为 0
event = np.zeros((N_SAMPLES_PER_PKT, 1), dtype=np.float64)
# Ch65: 标签序号通道,初始化为 0
label_idx = np.zeros((N_SAMPLES_PER_PKT, 1), dtype=np.float64)
# 拼成 [5, 66]
packet = np.concatenate([eeg, event, label_idx], axis=1).astype(np.float64)
return packet
def should_send_label(global_sample_idx):
"""
判断当前包是否包含标签触发点(每 5s 的最后一个采样点)
采样点索引从 0 开始,每 5s = 1250 个采样点
最后一个采样点索引: 1249, 2499, 3749, ...
由于每包 5 个采样点,标签点落在包内的最后一个采样点位置
即当前包起始索引 global_sample_idx 必须使得:
global_sample_idx <= 标签点索引 < global_sample_idx + N_SAMPLES_PER_PKT
也就是 global_sample_idx <= 1249 < global_sample_idx + 5
即 global_sample_idx = 1245, 2495, 3745, ...
即 global_sample_idx = n * LABEL_INTERVAL * FS - N_SAMPLES_PER_PKT
"""
samples_per_interval = LABEL_INTERVAL * FS
# 检查当前包是否包含 interval 的最后一个采样点
# 标签点索引 = n * 1250 - 1当 global_sample_idx = n*1250-5 时,标签在包内索引 4
return (global_sample_idx + N_SAMPLES_PER_PKT - 1) % samples_per_interval == samples_per_interval - 1
def main():
ctx = zmq.Context()
sock = ctx.socket(zmq.DEALER)
sock.connect(SERVER_ADDR)
print(f"[{datetime.now().strftime('%H:%M:%S')}] ZMQ Dealer 连接到 {SERVER_ADDR}")
# 后台消费线程:持续 recv 从 ROUTER 返回的数据,避免 server 发送队列积压
recv_count = [0]
stop_recv = threading.Event()
def consumer_thread():
"""消费线程:阻塞 recv丢弃收到的数据仅用于清空 ROUTER 发送队列"""
while not stop_recv.is_set():
try:
frames = sock.recv_multipart(zmq.NOBLOCK)
recv_count[0] += 1
# 收到的格式: [identity, '', filtered_data_bytes]
if recv_count[0] % 500 == 0:
print(f"[{datetime.now().strftime('%H:%M:%S')}] 消费线程已丢弃 {recv_count[0]} 帧滤波数据")
except zmq.Again:
time.sleep(0.01)
except zmq.error.Again: # 兼容旧版
time.sleep(0.01)
consumer = threading.Thread(target=consumer_thread, daemon=True)
consumer.start()
print(f"[{datetime.now().strftime('%H:%M:%S')}] 消费线程已启动daemon")
global_sample_idx = 0 # 全局采样点计数器
label_type = 1 # 当前标签类型: 1 或 2
label1_count = 0 # label=1 的序号计数器
label2_count = 0 # label=2 的序号计数器
packet_count = 0 # 已发送包数
print(f"[{datetime.now().strftime('%H:%M:%S')}] 开始发送模拟数据 ...")
print(f" 采样率: {FS}Hz | 每包 {N_SAMPLES_PER_PKT} 采样点 | 发送间隔 {PKT_INTERVAL*1000:.0f}ms")
print(f" EEG: {EEG_FREQ}Hz 正弦波 | 幅值 {EEG_AMP}μV")
print(f" 标签: 每 {LABEL_INTERVAL}s 末尾采样点触发 | label 1/2 交替")
print("-" * 50)
try:
while True:
t_start = time.perf_counter()
# 构建当前包
packet = build_packet(global_sample_idx)
# 检查是否需要放置标签
if should_send_label(global_sample_idx):
if label_type == 1:
label1_count += 1
label_value = 1
label_number = label1_count
else:
label2_count += 1
label_value = 2
label_number = label2_count
# 标签放在当前包最后一个采样点(索引 4
packet[4, 64] = label_value
packet[4, 65] = label_number
ts = datetime.now().strftime('%H:%M:%S')
print(f"[{ts}] 标签触发: label={label_value}, 序号={label_number} "
f"(global_sample_idx={global_sample_idx})")
# 交替标签类型
label_type = 2 if label_type == 1 else 1
# 发送: multipart 3帧 [identity, '', data]
# 使用标准格式3帧ROUTER 会自动附加 ZMQ 分配的客户端身份
sock.send_multipart([
b'',
packet.tobytes()
])
# 每 50 包打印一次进度
if packet_count % 50 == 0:
ts = datetime.now().strftime('%H:%M:%S')
print(f"[{ts}] 已发送 {packet_count} 包 (global_sample_idx={global_sample_idx})")
global_sample_idx += N_SAMPLES_PER_PKT
packet_count += 1
# 精确控制发送节奏: 等待到 PKT_INTERVAL 秒
elapsed = time.perf_counter() - t_start
sleep_time = PKT_INTERVAL - elapsed
if sleep_time > 0:
time.sleep(sleep_time)
except KeyboardInterrupt:
print(f"\n[{datetime.now().strftime('%H:%M:%S')}] 停止发送,共发送 {packet_count}")
finally:
stop_recv.set()
consumer.join(timeout=2)
sock.close()
ctx.term()
if __name__ == '__main__':
main()

View File

@@ -1,421 +0,0 @@
# -*- coding: utf-8 -*-
"""
脑电滤波服务 8100端口测试工具【统计逻辑专项优化版】
优化点:
1. 5秒预热(250个发包),预热结束后才启动丢包/数据统计
2. 业务比例0.02s发1包200ms收1包 → 每 10 个发包对应 1 个回包
3. 通道校验:发送(5,66) 仅对比前64通道接收(50,64)全通道比对
4. 区分:全局总包数 / 有效统计区间包数、理论收包数、实际收包数、丢包数、丢包率
5. 新增64通道整体数据均值/极值比对,校验数据有效性
通信规范send_multipart([client_id, b"", data_buf]) 三帧报文,服务端 recv_multipart 长度=3
"""
import sys
import time
import threading
import logging
import traceback
from collections import deque
import numpy as np
import zmq
import matplotlib.pyplot as plt
from matplotlib.animation import FuncAnimation
# ===================== 全局前置修复Matplotlib中文字体 & 负号显示 =====================
plt.rcParams["font.sans-serif"] = ["SimHei", "Microsoft YaHei", "WenQuanYi Micro Hei"]
plt.rcParams["axes.unicode_minus"] = False
# ===================== 【1. 全局业务固定参数(核心统计规则)】 =====================
# ZMQ 服务端配置
ZMQ_SERVER_IP = "192.168.254.102"
ZMQ_SERVER_PORT = 8100
ZMQ_SOCKET_TIMEOUT = 3000 # 套接字超时(ms)
POLL_TIMEOUT = 10 # Poll轮询超时(ms)
# 时序 & 统计核心规则(严格对齐现场业务)
SEND_INTERVAL = 0.02 # 上位机发包间隔20ms/包
RECV_INTERVAL = 0.2 # 服务端回包间隔200ms/包
PREHEAT_SECONDS = 5.0 # 滤波缓存预热时长5秒
# 计算:预热需要的发包总数 = 预热时长 / 单包发送间隔
PREHEAT_SEND_PACKS = int(PREHEAT_SECONDS / SEND_INTERVAL) # 5 / 0.02 = 250 包
# 收发包比例每多少个发包对应1个回包
PACK_RATIO = int(RECV_INTERVAL / SEND_INTERVAL) # 0.2 / 0.02 = 10
# 数据报文形状
PKG_SEND_SHAPE = (5, 66) # 发送包 (点数, 总通道)
PKG_RECV_SHAPE = (50, 64) # 回包 (点数, 有效脑电通道)
SAMPLE_RATE = 250
# 通道定义对比仅使用前64路脑电通道
CH_EEG_VALID = 64 # 共同对比通道数0~63
CH_EVENT = 64
CH_RESERVED = 65
# ZMQ 三帧报文固定字段
CLIENT_ID = b"test_client_001"
EMPTY_FRAME = b""
# 仿真信号配置
TARGET_CHANNEL = 0
SIGNAL_FREQ_LIST = [3, 10, 36]
SIGNAL_AMP = 1.8
NOISE_GAUSSIAN_AMP = 0.4
NOISE_POWER50_AMP = 0.3
EVENT_LABEL_VAL = 1
RESERVED_VAL = 0.0
# 可视化配置
MAX_PLOT_POINTS = 800
PLOT_REFRESH_INTERVAL = 80
FFT_N_POINTS = 256
PLOT_X_LIMIT_FREQ = (0, 60)
# 运行控制
MAX_RUN_SECONDS = None
ENABLE_RECONNECT = True
PRINT_STAT_INTERVAL = 5.0
# ===================== 【2. 全局变量 + 统计结构体(重构统计逻辑)】 =====================
g_running = threading.Event()
g_running.set()
data_lock = threading.Lock()
# 绘图缓冲区
raw_data_buf = deque(maxlen=MAX_PLOT_POINTS)
filt_data_buf = deque(maxlen=MAX_PLOT_POINTS)
# ===================== 全新统计变量(区分预热/正式统计) =====================
stat = {
# 全局总包数(包含预热包)
"total_send": 0,
"total_recv": 0,
# 有效统计区间预热250包之后
"valid_send": 0, # 有效发包数
"valid_recv": 0, # 有效收包数
"theo_recv": 0, # 理论应收到包数 = valid_send // PACK_RATIO
# 运行时间
"start_time": time.perf_counter(),
"last_print_time": time.perf_counter(),
# 数据校验缓存保存最新一包原始64通道数据用于和回包比对
"latest_raw_64ch": None
}
# ===================== 【3. 日志配置】 =====================
def init_logger():
log_format = "%(asctime)s | %(levelname)-8s | %(message)s"
logging.basicConfig(
level=logging.INFO,
format=log_format,
datefmt="%Y-%m-%d %H:%M:%S"
)
return logging.getLogger("FilterTest")
logger = init_logger()
# ===================== 【4. 仿真脑电数据生成 (5,66)】 =====================
def generate_eeg_packet(pkt_idx: int) -> np.ndarray:
"""生成单包 (5,66) 仿真数据"""
n_point, n_chan = PKG_SEND_SHAPE
base_t = pkt_idx * n_point / SAMPLE_RATE
t_arr = base_t + np.arange(n_point) / SAMPLE_RATE
data = np.zeros((n_point, n_chan), dtype=np.float64)
# 64路脑电信号
for ch in range(CH_EEG_VALID):
sig = 0.0
for freq in SIGNAL_FREQ_LIST:
sig += SIGNAL_AMP * np.sin(2 * np.pi * freq * t_arr)
sig += NOISE_POWER50_AMP * np.sin(2 * np.pi * 50 * t_arr)
sig += NOISE_GAUSSIAN_AMP * np.random.randn(n_point)
data[:, ch] = sig
# 事件通道、保留通道
data[:, CH_EVENT] = EVENT_LABEL_VAL
data[:, CH_RESERVED] = RESERVED_VAL
return data
# ===================== 【5. ZMQ 核心IO线程单连接+Poller保留原有通信逻辑】 =====================
def zmq_io_thread():
context = zmq.Context()
pkt_index = 0
send_interval = SEND_INTERVAL
logger.info(f"滤波预热配置:{PREHEAT_SECONDS}秒 / {PREHEAT_SEND_PACKS} 个发包后开始统计")
logger.info(f"收发比例:每 {PACK_RATIO} 个发包 → 1 个滤波回包")
while g_running.is_set():
try:
sock = context.socket(zmq.DEALER)
sock.setsockopt(zmq.RCVTIMEO, ZMQ_SOCKET_TIMEOUT)
sock.setsockopt(zmq.SNDTIMEO, ZMQ_SOCKET_TIMEOUT)
sock.connect(f"tcp://{ZMQ_SERVER_IP}:{ZMQ_SERVER_PORT}")
logger.info(f"ZMQ 连接成功 -> {ZMQ_SERVER_IP}:{ZMQ_SERVER_PORT}")
poller = zmq.Poller()
poller.register(sock, zmq.POLLIN)
next_send_ts = time.perf_counter()
while g_running.is_set():
# 全局运行时长限制
if MAX_RUN_SECONDS is not None:
run_sec = time.perf_counter() - stat["start_time"]
if run_sec > MAX_RUN_SECONDS:
logger.info(f"已到达设定运行时长 {MAX_RUN_SECONDS}s停止任务")
return
# ========== 1. 轮询接收服务端回包 ==========
socks_ready = dict(poller.poll(POLL_TIMEOUT))
if sock in socks_ready:
frames = sock.recv_multipart()
if not frames:
continue
recv_bytes = frames[-1]
if not recv_bytes:
continue
# 解析回包 (50,64)
filt_data = np.frombuffer(recv_bytes, dtype=np.float64)
expect_size = PKG_RECV_SHAPE[0] * PKG_RECV_SHAPE[1]
if filt_data.size != expect_size:
logger.warning(f"回包长度异常:实际{filt_data.size},预期{expect_size}")
continue
filt_data = filt_data.reshape(PKG_RECV_SHAPE)
# 全局收包计数
stat["total_recv"] += 1
# 仅预热完成后,计入有效统计收包
if stat["total_send"] > PREHEAT_SEND_PACKS:
stat["valid_recv"] += 1
# 写入绘图缓冲区
with data_lock:
filt_data_buf.extend(filt_data[:, TARGET_CHANNEL])
# ---------- 新增64通道数据比对发包前64通道 <-> 回包64通道 ----------
raw_64ch = stat["latest_raw_64ch"]
if raw_64ch is not None:
raw_mean = np.mean(raw_64ch)
filt_mean = np.mean(filt_data)
raw_amp = np.max(np.abs(raw_64ch))
filt_amp = np.max(np.abs(filt_data))
logger.debug(
f"【通道数据比对】原始64通道均值:{raw_mean:.4f} 幅值:{raw_amp:.4f} | "
f"滤波后均值:{filt_mean:.4f} 幅值:{filt_amp:.4f}"
)
# ========== 2. 精准定时发送数据包 ==========
current_ts = time.perf_counter()
if current_ts >= next_send_ts:
# 生成(5,66)仿真包
pkt_data = generate_eeg_packet(pkt_index)
pkt_index += 1
send_buf = pkt_data.tobytes()
# 标准三帧Multipart发送
sock.send_multipart([CLIENT_ID, EMPTY_FRAME, send_buf])
# ---------- 发包计数逻辑(核心优化:预热区分) ----------
stat["total_send"] += 1
# 预热完成后,计入有效发包
if stat["total_send"] > PREHEAT_SEND_PACKS:
stat["valid_send"] += 1
# 计算理论应收包数
stat["theo_recv"] = stat["valid_send"] // PACK_RATIO
# 缓存当前包前64通道用于后续数据比对
stat["latest_raw_64ch"] = pkt_data[:, :CH_EEG_VALID]
# 绘图缓冲区(单通道波形)
with data_lock:
raw_data_buf.extend(pkt_data[:, TARGET_CHANNEL])
# 更新下一次发包时间
next_send_ts += send_interval
# ========== 3. 定时打印统计信息(区分预热/正式统计) ==========
now = time.perf_counter()
if now - stat["last_print_time"] > PRINT_STAT_INTERVAL:
run_sec = now - stat["start_time"]
total_send = stat["total_send"]
total_recv = stat["total_recv"]
# 分支1仍在预热阶段
if total_send <= PREHEAT_SEND_PACKS:
remain = PREHEAT_SEND_PACKS - total_send
logger.info(
f"[预热中] 运行:{run_sec:.1f}s | 已发包:{total_send}/{PREHEAT_SEND_PACKS} | "
f"剩余预热包:{remain} | 暂不统计丢包"
)
# 分支2预热完成进入正式统计
else:
v_send = stat["valid_send"]
v_recv = stat["valid_recv"]
t_recv = stat["theo_recv"]
loss_cnt = t_recv - v_recv
loss_rate = (loss_cnt / t_recv * 100) if t_recv > 0 else 0.0
logger.info(
f"[正式统计] 运行:{run_sec:.1f}s | "
f"全局总包: 发{total_send}/收{total_recv} | "
f"有效区间: 发{v_send}/应收{t_recv}/实收{v_recv} | "
f"丢包数:{loss_cnt} | 丢包率:{loss_rate:.2f}%"
)
stat["last_print_time"] = now
except zmq.ZMQError as e:
if e.errno == zmq.EAGAIN:
continue
logger.warning(f"ZMQ 连接异常: {e}")
sock.close()
poller.unregister(sock)
if not ENABLE_RECONNECT:
break
logger.info("500ms 后尝试重连...")
time.sleep(0.5)
except Exception as e:
logger.error(f"IO线程未知异常:\n{traceback.format_exc()}")
break
context.term()
logger.info("ZMQ IO 线程已退出")
# ===================== 【6. 可视化绘图(无改动)】 =====================
def init_plot():
fig = plt.figure(figsize=(14, 9))
fig.suptitle(f"脑电滤波测试 | 观测通道: {TARGET_CHANNEL}", fontsize=14)
ax1 = plt.subplot(2, 2, 1)
ax1.set_title("原始输入波形 (含噪声+工频)")
ax1.set_ylabel("幅值")
ax1.grid(True, alpha=0.3)
line_raw, = ax1.plot([], [], color="#1f77b4", linewidth=1)
ax2 = plt.subplot(2, 2, 2)
ax2.set_title("滤波后输出波形")
ax2.set_ylabel("幅值")
ax2.grid(True, alpha=0.3)
line_filt, = ax2.plot([], [], color="#d62728", linewidth=1)
ax3 = plt.subplot(2, 2, 3)
ax3.set_title("原始信号频谱")
ax3.set_xlabel("频率 (Hz)")
ax3.set_xlim(*PLOT_X_LIMIT_FREQ)
ax3.grid(True, alpha=0.3)
line_raw_fft, = ax3.plot([], [], color="#1f77b4")
ax4 = plt.subplot(2, 2, 4)
ax4.set_title("滤波后信号频谱")
ax4.set_xlabel("频率 (Hz)")
ax4.set_xlim(*PLOT_X_LIMIT_FREQ)
ax4.grid(True, alpha=0.3)
line_filt_fft, = ax4.plot([], [], color="#d62728")
plt.tight_layout(rect=[0, 0, 1, 0.96])
return fig, [line_raw, line_filt, line_raw_fft, line_filt_fft], [ax1, ax2, ax3, ax4]
def update_plot(frame, lines, axes):
line_raw, line_filt, line_raw_fft, line_filt_fft = lines
ax1, ax2, ax3, ax4 = axes
with data_lock:
raw_data = list(raw_data_buf)
filt_data = list(filt_data_buf)
if raw_data:
x_raw = np.arange(len(raw_data))
line_raw.set_data(x_raw, raw_data)
ax1.relim()
ax1.autoscale_view()
if filt_data:
x_filt = np.arange(len(filt_data))
line_filt.set_data(x_filt, filt_data)
ax2.relim()
ax2.autoscale_view()
def calc_fft(sig, n_fft):
if len(sig) < n_fft:
return [], []
win = np.hanning(n_fft)
sig_win = sig[-n_fft:] * win
fft_vals = np.fft.fft(sig_win)
fft_amp = np.abs(fft_vals)[:n_fft//2]
freq = np.fft.fftfreq(n_fft, 1/SAMPLE_RATE)[:n_fft//2]
return freq, fft_amp
freq_raw, amp_raw = calc_fft(raw_data, FFT_N_POINTS)
freq_filt, amp_filt = calc_fft(filt_data, FFT_N_POINTS)
line_raw_fft.set_data(freq_raw, amp_raw)
line_filt_fft.set_data(freq_filt, amp_filt)
ax3.relim()
ax3.autoscale_view(scaley=True)
ax4.relim()
ax4.autoscale_view(scaley=True)
return lines
# ===================== 【7. 资源释放 & 最终汇总统计】 =====================
def clean_resource():
g_running.clear()
logger.info("开始停止所有线程...")
time.sleep(0.3)
plt.close("all")
logger.info("资源释放完成")
def main():
logger.info("=" * 70)
logger.info("脑电滤波测试客户端【统计逻辑优化版】启动")
logger.info(f"服务端地址: {ZMQ_SERVER_IP}:{ZMQ_SERVER_PORT}")
logger.info(f"发包: {PKG_SEND_SHAPE}({SEND_INTERVAL*1000:.0f}ms) | 回包: {PKG_RECV_SHAPE}({RECV_INTERVAL*1000:.0f}ms)")
logger.info(f"预热规则: {PREHEAT_SECONDS}秒 / {PREHEAT_SEND_PACKS} 包后开启统计")
logger.info(f"收发比例: 每 {PACK_RATIO} 个发包对应 1 个回包")
logger.info("=" * 70)
# 启动ZMQ收发线程
io_thread = threading.Thread(target=zmq_io_thread, daemon=True, name="ZMQ_IO_Thread")
io_thread.start()
# 启动可视化
fig, lines, axes = init_plot()
ani = FuncAnimation(
fig, update_plot,
fargs=(lines, axes),
interval=PLOT_REFRESH_INTERVAL,
blit=True,
cache_frame_data=False
)
try:
plt.show()
except KeyboardInterrupt:
logger.info("收到 Ctrl+C 中断信号,准备退出")
finally:
# 输出最终完整汇总报表
run_total = time.perf_counter() - stat["start_time"]
total_send = stat["total_send"]
total_recv = stat["total_recv"]
v_send = stat["valid_send"]
v_recv = stat["valid_recv"]
t_recv = stat["theo_recv"]
loss_cnt = t_recv - v_recv
loss_rate = (loss_cnt / t_recv * 100) if t_recv > 0 else 0.0
logger.info(f"\n{'='*50} 最终运行汇总 {'='*50}")
logger.info(f"总运行时长: {run_total:.1f} s")
logger.info(f"【全局总包数】发送: {total_send} | 接收: {total_recv}")
logger.info(f"【有效统计区间(跳过预热{PREHEAT_SEND_PACKS}包)】")
logger.info(f" 有效发包: {v_send} | 理论应收包: {t_recv} | 实际收包: {v_recv}")
logger.info(f" 总丢包数: {loss_cnt} | 整体丢包率: {loss_rate:.2f} %")
logger.info(f"{'='*106}")
clean_resource()
sys.exit(0)
if __name__ == "__main__":
main()

View File

@@ -1,114 +1,87 @@
# log.py
import os
from datetime import datetime, timedelta
from datetime import datetime
import logging
from logging.handlers import RotatingFileHandler
import inspect
from PubLibrary.InifileHelper import IniRead
# 全局配置
console_output = IniRead('system', 'console_output', '1')
log_level = IniRead('system', 'algo_log_level', 'INFO')
# 新增日志去重缓存key为日志内容value为是否已打印
log_once_cache = set()
logger_cache = {}
LOG_RETENTION_DAYS = 3
LOG_DIR = './logs/'
LOG_FILE_PREFIX = 'algo_log_'
# 日志格式:时间 - 日志器名 - 级别 - 文件名:行号 - 函数名 - 日志内容
LOG_FORMAT = '%(asctime)s - %(name)s - %(levelname)s - %(message)s'
DATE_FORMAT = '%Y-%m-%d %H:%M:%S'
def clean_old_logs():
"""清理超过指定天数的旧日志文件"""
try:
if not os.path.exists(LOG_DIR):
return
expire_date = datetime.now() - timedelta(days=LOG_RETENTION_DAYS)
for filename in os.listdir(LOG_DIR):
if not filename.startswith(LOG_FILE_PREFIX) or not filename.endswith('.log'):
continue
date_str = filename[len(LOG_FILE_PREFIX):-4]
try:
file_date = datetime.strptime(date_str, '%Y-%m-%d')
if file_date < expire_date:
file_path = os.path.join(LOG_DIR, filename)
os.remove(file_path)
print(f"清理过期日志: {file_path}")
except ValueError:
continue
except Exception as e:
print(f"清理旧日志异常: {str(e)}")
def init_module_logger():
"""
初始化指定模块的日志器
:return: 对应模块的logger实例
"""
# 缓存命中则直接返回
log_dir = './logs/' # 确保日志目录存在
os.makedirs(log_dir, exist_ok=True)
def init_module_logger(logger_name):
"""初始化日志器 + 清理旧日志"""
os.makedirs(LOG_DIR, exist_ok=True)
clean_old_logs()
current_date = datetime.now().strftime("%Y-%m-%d")
log_file = os.path.join(LOG_DIR, f"{LOG_FILE_PREFIX}{current_date}.log")
if logger_name in logger_cache:
return logger_cache[logger_name]
logger = logging.getLogger(logger_name)
log_file = os.path.join(log_dir, f'algo_log_{datetime.now().strftime("%Y-%m-%d")}.log')
# 初始化logger
logger = logging.getLogger('decoderLogger')
logger.setLevel(log_level)
if logger.handlers:
logger_cache[logger_name] = logger
return logger
# 文件输出处理器
if logger.handlers:
return logger
# 设置日志轮转最大10个文件每个10MB
file_handler = RotatingFileHandler(
log_file,
maxBytes=10 * 1024 * 1024,
maxBytes=10*1024*1024,
backupCount=10,
encoding='utf-8'
)
formatter = logging.Formatter(LOG_FORMAT, datefmt=DATE_FORMAT)
# 日志格式
formatter = logging.Formatter(
'%(asctime)s - %(name)s - %(levelname)s - %(message)s',
datefmt='%Y-%m-%d %H:%M:%S'
)
file_handler.setFormatter(formatter)
logger.setLevel(log_level)
logger.addHandler(file_handler)
# 控制台输出
if console_output:
console_handler = logging.StreamHandler()
console_handler.setFormatter(formatter)
logger.addHandler(console_handler)
logger_cache[logger_name] = logger
return logger
def algo_log(content, level="INFO", record_once=False):
"""
日志入口函数
自动记录:调用文件名、代码行号、所在函数
通用日志函数,支持按模块输出到不同日志文件
:param content: 日志内容
:param level: 日志级别DEBUG/INFO/WARNING/ERROR/FATAL
:param record_once: 是否只打印一次该日志内容默认False
"""
# 回溯栈帧,获取真正调用 algo_log 的代码位置
# f_back(1) -> algo_log 自身f_back(2) -> 业务调用处
frame = inspect.currentframe().f_back.f_back
if not frame:
file_name = "unknown"
else:
file_name = os.path.basename(frame.f_code.co_filename)
logger = init_module_logger(file_name)
# 单次日志去重
# 初始化模块日志器
logger = init_module_logger()
# 新增:处理只打印一次的逻辑
if record_once:
# 生成唯一标识可根据需要调整比如拼接level增强唯一性
log_key = f"{level.upper()}_{content}"
if log_key in log_once_cache:
return
log_once_cache.add(log_key)
# 日志级别分发
return # 已打印过,直接返回
log_once_cache.add(log_key) # 未打印过,加入缓存
# 根据级别输出日志
level_upper = level.upper()
log_map = {
"DEBUG": logger.debug,
"WARNING": logger.warning,
"ERROR": logger.error,
"FATAL": logger.fatal,
"INFO": logger.info
}
log_func = log_map.get(level_upper, logger.info)
log_func(content)
if level_upper == "DEBUG":
logger.debug(content)
elif level_upper == "WARNING":
logger.warning(content)
elif level_upper == "ERROR":
logger.error(content)
elif level_upper == "FATAL":
logger.fatal(content)
else: # 默认INFO级别
logger.info(content)

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@@ -6,33 +6,32 @@ import time
from Decoder import Decoder_main
from PubLibrary.RunOnce import is_program_running
from PubLibrary.InifileHelper import IniRead
from logs.log import algo_log
def get_device_info(device_type):
section = f'device_type_{device_type}'
device_info = {
'sample_rate': int(IniRead(section, 'sample_rate')) if IniRead(section, 'sample_rate') is not None else 250,
'frame_points': int(IniRead(section, 'frame_points')) if IniRead(section, 'frame_points') is not None else 5,
'channel_nums': int(IniRead(section, 'channel_nums')) if IniRead(section, 'channel_nums') is not None else 66,
'channel_names': IniRead(section, 'channel_names') if IniRead(section, 'channel_names') is not None else None,
'channel_index': IniRead(section, 'channel_index') if IniRead(section, 'channel_index') is not None else None,
'device_sample_rate': int(IniRead(section, 'sample_rate')) if IniRead(section, 'sample_rate') is not None else 250,
''
}
return device_info
if __name__ == "__main__":
if not is_program_running():
# 解析命令行参数
# parser = argparse.ArgumentParser(description="EEG Decoder Application")
# parser.add_argument('-dt', '-t','--device-type', type=int, default=None, help="Device Type")
parser = argparse.ArgumentParser(description="EEG Decoder Application")
parser.add_argument('-dt', '-t','--device-type', type=int, default=None, help="Device Type")
# parser.add_argument('-dh', '--device-host', type=str, default=None, help="Device Host IP")
# parser.add_argument('-dp', '--device-port', type=int, default=None, help="Device Port")
# parser.add_argument('-uh', '--upper-host', type=str, default=None, help="Upper Computer Host IP")
# parser.add_argument('-up', '--upper-port', type=int, default=None, help="Upper Computer Port")
# args = parser.parse_args()
args = parser.parse_args()
device_info= get_device_info(args.device_type)
decoder = Decoder_main(device_info=device_info)
# decoder.connect(
# device_type=args.device_type,
# device_host=args.device_host,
@@ -41,10 +40,6 @@ if __name__ == "__main__":
# upper_port=args.upper_port
# )
device_info= get_device_info(1)
algo_log(f"device_info: {device_info}", level="DEBUG")
decoder = Decoder_main(device_info=device_info)
try:
decoder.start()
while not decoder.zmqServer.IsExitApp:

View File

@@ -1,422 +0,0 @@
# -*- coding: utf-8 -*-
"""
ZMQ 脑电数据测试工具【语法错误修复版】
修复点:
1. dataclass 可变列表默认值报错
2. threading.Thread daemon 参数语法错误
适配Python3.10、全链路 float64、ZMQ DEALER<->ROUTER
端口8099(命令) / 8100(数据)
"""
import zmq
import time
import threading
import numpy as np
import matplotlib.pyplot as plt
import json
from dataclasses import dataclass, field
from typing import Dict, List, Optional, Union, Tuple
from matplotlib.animation import FuncAnimation
# ===================== 1. 配置管理 =====================
@dataclass(frozen=True) # 冻结配置类
class TestConfig:
# 网络配置
SERVER_IP: str = "127.0.0.1"
CMD_PORT: int = 8099
DATA_PORT: int = 8100
# 硬件与时序
SAMPLE_RATE: int = 250
FRAME_INTERVAL_MS: int = 20
SEND_INTERVAL: float = FRAME_INTERVAL_MS / 1000
CHANNEL_NUMS: int = 66
FRAME_POINTS: int = 5
FILTER_OUT_CHAN: int = 64
FILTER_FRAME_POINTS: int = 50
# 数据类型 & 字节数 (float64 8字节)
DATA_DTYPE: np.dtype = np.float64
RAW_FRAME_BYTES: int = CHANNEL_NUMS * FRAME_POINTS * 8 # 66*5*8 = 2640
FILTER_FRAME_BYTES: int = FILTER_OUT_CHAN * FILTER_FRAME_POINTS * 8 # 25600
# 事件通道索引
EVENT_CHANNEL_IDX: int = -2
# 列表类型 使用 default_factory 规避可变默认值报错
EVENT_TAGS: List[int] = field(default_factory=lambda: [1, 2, 99])
SIM_SIGNAL_FREQ: List[float] = field(default_factory=lambda: [8.0, 9.0])
# 仿真噪声
NOISE_STD: float = 0.25
# 可视化配置
PLOT_TARGET_CHAN: int = 0
PLOT_WINDOW_LEN: int = 400
PLOT_REFRESH_INTERVAL: int = 50
# 日志限流
FRAME_ERR_INTERVAL: float = 3.0
# ZMQ 配置
SEND_RETRY_MAX: int = 3
SEND_RETRY_SLEEP: float = 0.01
ZMQ_HWM: int = 1000
# 初始化全局配置
CONFIG = TestConfig()
# ===================== 2. 全局状态管理 =====================
class GlobalState:
def __init__(self):
self.run_flag: bool = True
self.last_frame_err_time: float = 0.0
GLOBAL_STATE = GlobalState()
# ===================== 3. Matplotlib 中文初始化 =====================
def init_matplotlib():
# Windows 黑体Linux/Mac 自行替换字体
plt.rcParams['font.sans-serif'] = ['SimHei']
plt.rcParams['axes.unicode_minus'] = False # 修复负号乱码
init_matplotlib()
# ===================== 4. ZMQ DEALER 客户端 =====================
class ZmqDealerClient:
"""适配 ROUTER 的 DEALER 客户端,高频流式数据专用"""
def __init__(self, server_ip: str, port: int):
self.ctx: zmq.Context = zmq.Context()
self.socket: zmq.Socket = self.ctx.socket(zmq.DEALER)
self._configure_socket()
self.socket.connect(f"tcp://{server_ip}:{port}")
def _configure_socket(self):
"""套接字参数配置"""
self.socket.setsockopt(zmq.RCVHWM, CONFIG.ZMQ_HWM)
self.socket.setsockopt(zmq.SNDHWM, CONFIG.ZMQ_HWM)
self.socket.setsockopt(zmq.RCVTIMEO, 0)
self.socket.setsockopt(zmq.SNDTIMEO, 0)
def send_json(self, data: Dict) -> bool:
"""发送JSON命令带重试机制"""
try:
payload = json.dumps(data, ensure_ascii=False).encode("utf-8")
except Exception as e:
print(f"[JSON序列化失败] {e}")
return False
for _ in range(CONFIG.SEND_RETRY_MAX):
try:
self.socket.send_multipart([b"", payload])
return True
except zmq.Again:
time.sleep(CONFIG.SEND_RETRY_SLEEP)
except Exception as e:
print(f"[JSON发送异常] {e}")
time.sleep(CONFIG.SEND_RETRY_SLEEP)
print(f"[JSON发送重试失败]")
return False
def send_bytes(self, data: bytes) -> bool:
"""发送二进制脑电数据,带重试"""
for _ in range(CONFIG.SEND_RETRY_MAX):
try:
self.socket.send_multipart([b"", data])
return True
except zmq.Again:
time.sleep(CONFIG.SEND_RETRY_SLEEP)
except Exception as e:
print(f"[二进制发送异常] {e}")
time.sleep(CONFIG.SEND_RETRY_SLEEP)
print(f"[二进制发送重试失败]")
return False
def recv_json(self) -> Optional[Dict]:
"""接收JSON命令响应标准3帧"""
try:
frames = self.socket.recv_multipart()
if len(frames) < 3:
self._log_frame_err(f"帧数异常: {len(frames)}")
return None
payload = frames[2].decode("utf-8")
return json.loads(payload)
except json.JSONDecodeError:
self._log_frame_err("JSON解析失败")
return None
except Exception as e:
self._log_frame_err(f"接收异常: {e}")
return None
def recv_bytes(self) -> Optional[bytes]:
"""接收滤波数据兼容3/4帧格式"""
try:
frames = self.socket.recv_multipart()
frame_len = len(frames)
if frame_len == 3:
payload = frames[2]
elif frame_len == 4:
payload = frames[3]
else:
self._log_frame_err(f"帧数异常: {frame_len}")
return None
if len(payload) != CONFIG.FILTER_FRAME_BYTES:
self._log_frame_err(f"字节不匹配: 期望{CONFIG.FILTER_FRAME_BYTES}, 实际{len(payload)}")
return None
return payload
except Exception as e:
self._log_frame_err(f"数据接收异常: {e}")
return None
def _log_frame_err(self, msg: str):
"""日志限流,防止刷屏"""
now = time.time()
if now - GLOBAL_STATE.last_frame_err_time > CONFIG.FRAME_ERR_INTERVAL:
print(f"[帧异常] {msg}")
GLOBAL_STATE.last_frame_err_time = now
def close(self):
"""优雅释放ZMQ资源"""
try:
self.socket.close(linger=0)
self.ctx.term()
except Exception as e:
print(f"[资源释放异常] {e}")
def __enter__(self):
return self
def __exit__(self, exc_type, exc_val, exc_tb):
self.close()
# ===================== 5. 仿真脑电数据生成 =====================
def generate_raw_eeg_frame(add_event: bool = False) -> np.ndarray:
"""生成单帧float64仿真脑电数据"""
t = np.linspace(
0, CONFIG.FRAME_POINTS / CONFIG.SAMPLE_RATE,
CONFIG.FRAME_POINTS, endpoint=False
)
eeg_frame = np.zeros(
(CONFIG.CHANNEL_NUMS, CONFIG.FRAME_POINTS),
dtype=CONFIG.DATA_DTYPE
)
# 模拟脑电信号 + 高斯噪声
for freq in CONFIG.SIM_SIGNAL_FREQ:
eeg_frame[:CONFIG.FILTER_OUT_CHAN] += np.sin(2 * np.pi * freq * t)
eeg_frame[:CONFIG.FILTER_OUT_CHAN] += np.random.normal(
0, CONFIG.NOISE_STD,
size=(CONFIG.FILTER_OUT_CHAN, CONFIG.FRAME_POINTS)
)
# 事件通道处理
eeg_frame[CONFIG.EVENT_CHANNEL_IDX] = 0.0
if add_event:
event_pos = np.random.randint(0, CONFIG.FRAME_POINTS)
eeg_frame[CONFIG.EVENT_CHANNEL_IDX, event_pos] = np.random.choice(CONFIG.EVENT_TAGS)
# 预留通道置0
eeg_frame[-1] = 0.0
return eeg_frame
# ===================== 6. 后台工作线程 =====================
def start_cmd_response_thread(cmd_client: ZmqDealerClient):
"""命令响应接收线程"""
print("[线程-命令接收] 已启动")
while GLOBAL_STATE.run_flag:
msg = cmd_client.recv_json()
if msg:
print(f"\n【命令响应】{json.dumps(msg, ensure_ascii=False, indent=2)}")
time.sleep(0.01)
print("[线程-命令接收] 已退出")
def start_raw_eeg_send_thread(data_client: ZmqDealerClient):
"""原始脑电发送线程20ms/帧)"""
print(f"[线程-原始数据发送] 20ms/帧 | 单帧{CONFIG.RAW_FRAME_BYTES}字节 | float64")
frame_count = 0
while GLOBAL_STATE.run_flag:
insert_event = (frame_count % 20 == 0)
eeg_frame = generate_raw_eeg_frame(add_event=insert_event)
frame_bytes = eeg_frame.tobytes()
# 字节校验
if len(frame_bytes) != CONFIG.RAW_FRAME_BYTES:
print(f"[字节警告] 期望{CONFIG.RAW_FRAME_BYTES}, 实际{len(frame_bytes)}")
time.sleep(CONFIG.SEND_INTERVAL)
frame_count += 1
continue
data_client.send_bytes(frame_bytes)
frame_count += 1
time.sleep(CONFIG.SEND_INTERVAL)
print("[线程-原始数据发送] 已退出")
def start_filter_data_recv_thread(data_client: ZmqDealerClient, plot_queue: List[np.ndarray]):
"""滤波数据接收线程"""
print(f"[线程-滤波数据接收] 单包{CONFIG.FILTER_FRAME_BYTES}字节 | float64")
while GLOBAL_STATE.run_flag:
raw_bytes = data_client.recv_bytes()
if not raw_bytes:
time.sleep(0.01)
continue
try:
filter_arr = np.frombuffer(raw_bytes, dtype=CONFIG.DATA_DTYPE)
filter_arr = filter_arr.reshape(CONFIG.FILTER_FRAME_POINTS, CONFIG.FILTER_OUT_CHAN)
plot_queue.append(filter_arr[:, CONFIG.PLOT_TARGET_CHAN])
except Exception as e:
print(f"[滤波数据解析异常] {e}")
continue
print("[线程-滤波数据接收] 已退出")
# ===================== 7. 实时波形可视化 =====================
def start_wave_visualization(plot_queue: List[np.ndarray]):
"""启动实时滤波波形绘图"""
fig, ax = plt.subplots(figsize=(14, 4))
x_axis = np.arange(0, CONFIG.PLOT_WINDOW_LEN)
wave_data = np.zeros(CONFIG.PLOT_WINDOW_LEN, dtype=CONFIG.DATA_DTYPE)
line, = ax.plot(x_axis, wave_data, color="#2E86AB", linewidth=1.2)
ax.set_title(
f"实时滤波脑电波形 | 通道 {CONFIG.PLOT_TARGET_CHAN} | {CONFIG.SAMPLE_RATE}Hz | float64",
fontsize=12
)
ax.set_ylim(-3.0, 3.0)
ax.grid(True, alpha=0.3, linestyle="--")
plt.tight_layout()
def update_plot(_):
nonlocal wave_data
if plot_queue:
new_wave = plot_queue.pop(0)
wave_data = np.roll(wave_data, -len(new_wave))
wave_data[-len(new_wave)] = new_wave
line.set_ydata(wave_data)
return (line,)
ani = FuncAnimation(
fig, update_plot,
interval=CONFIG.PLOT_REFRESH_INTERVAL,
blit=True,
cache_frame_data=False
)
plt.show()
# ===================== 8. 全量业务测试用例 =====================
def run_full_test_cases(cmd_client: ZmqDealerClient):
"""全覆盖 zmqServer 所有命令sync/targetFreqs/decoderClass/impedance/train/predict/rest"""
print("\n" + "="*60)
print("开始执行全量命令测试用例")
print("="*60)
time.sleep(2)
# 1. 同步命令
print("\n[用例 1] 发送 sync 命令")
cmd_client.send_json({"method": "sync", "params": {}})
time.sleep(1)
# 2. 设置目标频率
print("\n[用例 2] 发送 targetFreqs = [8.0, 9.0]")
cmd_client.send_json({"method": "targetFreqs", "params": [8.0, 9.0]})
time.sleep(1)
# 3. 切换解码器
print("\n[用例 3] 切换解码器为 ssmvep")
cmd_client.send_json({"method": "decoderClass", "params": "ssmvep"})
time.sleep(2)
print("\n[用例 3-2] 切换解码器为 mi")
cmd_client.send_json({"method": "decoderClass", "params": "mi"})
time.sleep(2)
# 4. 阻抗检测开关
print("\n[用例 4] 开启阻抗检测 impedance=1")
cmd_client.send_json({"method": "impedance", "params": 1})
time.sleep(1)
print("\n[用例 4-2] 关闭阻抗检测 impedance=2")
cmd_client.send_json({"method": "impedance", "params": 2})
time.sleep(1)
# 5. 训练模式
print("\n[用例 5] 启动训练 train标签=1")
cmd_client.send_json({"method": "train", "params": 1})
time.sleep(3)
# # 6. 休息模式
# print("\n[用例 6] 切换 rest 休息模式")
# cmd_client.send_json({"method": "rest", "params": {}})
# time.sleep(1)
# 7. 启动解码
print("\n[用例 7] 启动解码 predict=1")
cmd_client.send_json({"method": "predict", "params": 1})
time.sleep(4)
# # 8. 非法命令(异常测试)
# print("\n[用例 8] 发送非法命令 test_cmd_illegal")
# cmd_client.send_json({"method": "test_cmd_illegal", "params": {}})
# time.sleep(1)
# # 9. 停止解码
# print("\n[用例 9] 停止解码 predict=2")
# cmd_client.send_json({"method": "predict", "params": 2})
# time.sleep(2)
print("\n" + "="*60)
print("所有测试用例执行完毕")
print("="*60)
# ===================== 主程序入口(修复线程语法) =====================
if __name__ == "__main__":
print("="*60)
print("ZMQ 脑电仿真测试工具 启动")
print(f"命令端口: {CONFIG.CMD_PORT} | 数据端口: {CONFIG.DATA_PORT}")
print(f"原始帧{CONFIG.RAW_FRAME_BYTES}字节 | 滤波帧{CONFIG.FILTER_FRAME_BYTES}字节 | float64")
print("="*60)
try:
with ZmqDealerClient(CONFIG.SERVER_IP, CONFIG.CMD_PORT) as cmd_client, \
ZmqDealerClient(CONFIG.SERVER_IP, CONFIG.DATA_PORT) as data_client:
plot_queue = []
# ========== 重点修复线程语法daemon 移出 args ==========
# 命令接收线程
t_cmd = threading.Thread(
target=start_cmd_response_thread,
args=(cmd_client,), # 单元素元组保留逗号
daemon=True
)
# 原始数据发送线程
t_eeg = threading.Thread(
target=start_raw_eeg_send_thread,
args=(data_client,),
daemon=True
)
# 滤波数据接收线程
t_filter = threading.Thread(
target=start_filter_data_recv_thread,
args=(data_client, plot_queue),
daemon=True
)
# 启动线程
t_cmd.start()
t_eeg.start()
t_filter.start()
# 执行测试用例
run_full_test_cases(cmd_client)
# 启动可视化(阻塞主线程)
print("\n[提示] 波形窗口已启动,关闭窗口 / Ctrl+C 退出程序")
start_wave_visualization(plot_queue)
except KeyboardInterrupt:
print("\n\n[用户中断] 接收到 Ctrl+C准备退出...")
except Exception as e:
print(f"\n[程序异常] {e}")
finally:
# 停止所有后台线程
GLOBAL_STATE.run_flag = False
time.sleep(0.2)
print("程序已安全退出")