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ui.py
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ui.py
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# -*- coding: utf-8 -*-
__author__ = "kirintw and Billy Su"
__license__ = "GPL-2.0"
from subprocess import Popen
import pyqtgraph as pg
from PyQt5 import QtCore, QtGui, QtWidgets
import numpy as np
import time
import websocket
import threading
import json
import logging
import math
import copy
import os
from ws_main import WS_CLIENT, WS_SERVER
from raw_data_plot import Raw_Data_Plot
from csv_file import CSV_FILE
from edf_file import EDF_FILE
from bdf_file import BDF_FILE
from gdf_file import GDF_FILE
import os
from timer import TimeThread
class EEG_Application(QtGui.QApplication):
def __init__(self):
super().__init__([])
self.ws_url = "ws://localhost:8888"
self.main_win = QtGui.QMainWindow()
self.main_win.show()
self.decimated_plot_proc = None
self.contact_plot_proc = None
self.spectrum_proc = None
self.TF_proc = None
self.bar_proc = None
self.topo_proc = None
self.setupUi()
self.setupSignals()
self.set_all_button_state(False)
self.state = "IDLE"
self.current_file = None
def init_ws(self):
self.connect_btn.setEnabled(False)
self.ws_client = WS_CLIENT(main_ui=self, url=self.ws_url)
self.ws_server = WS_SERVER(main_ui=self, ws_client=self.ws_client, port=7777)
self.set_all_button_state(True)
def setupUi(self):
"""Create Basic UI layout"""
self.main_win.setObjectName("MainWindow")
self.main_win.setWindowTitle("EEG")
self.main_win.resize(500, 800)
self.control_panel = QtGui.QWidget()
self.main_win.setCentralWidget(self.control_panel)
grid = QtGui.QGridLayout(self.control_panel)
grid.addWidget(self.device_group(), 0, 0)
grid.addWidget(self.plot_group(), 1, 0)
grid.addWidget(self.record_group(), 2, 0)
grid.addWidget(self.log_group(), 3, 0)
def device_group(self):
groupBox = QtGui.QGroupBox("Device")
_device_id = QtWidgets.QLabel()
_sampling_rate = QtWidgets.QLabel()
_Battery_state = QtWidgets.QLabel()
_resolution = QtWidgets.QLabel()
_device_id.setText("DeviceID:")
_sampling_rate.setText("Sampling Rate:")
_Battery_state.setText("Battery:")
_resolution.setText("Resolution:")
self.device_id = QtWidgets.QLabel()
self.sampling_rate = QtWidgets.QLabel()
self.Battery_state = QtWidgets.QLabel()
self.resolution = QtWidgets.QLabel()
self.connect_btn = QtGui.QPushButton("Connect")
self.device_id.setText("")
self.sampling_rate.setText("")
self.Battery_state.setText("")
self.resolution.setText("")
gridlayout = QtGui.QGridLayout()
gridlayout.addWidget(_device_id, 0, 0, 1, 1)
gridlayout.addWidget(_sampling_rate, 1, 0, 1, 1)
gridlayout.addWidget(_Battery_state, 2, 0, 1, 1)
gridlayout.addWidget(_resolution, 3, 0, 1, 1)
gridlayout.addWidget(self.device_id, 0, 1, 1, 1)
gridlayout.addWidget(self.sampling_rate, 1, 1, 1, 1)
gridlayout.addWidget(self.Battery_state, 2, 1, 1, 1)
gridlayout.addWidget(self.resolution, 3, 1, 1, 1)
gridlayout.addWidget(self.connect_btn, 0, 2, 4, 1)
groupBox.setLayout(gridlayout)
return groupBox
def set_device_info(self, id, sample_rate, resolution, bettery):
self.device_id.setText(id)
self.sampling_rate.setText(str(sample_rate) + " sps")
self.Battery_state.setText(str(bettery) + "%")
self.resolution.setText(str(resolution) + " bit")
def plot_group(self):
groupBox = QtGui.QGroupBox("Plot")
self.contact_btn = QtGui.QPushButton("Contact")
self.signal_btn = QtGui.QPushButton("Signal")
self.spectrum_btn = QtGui.QPushButton("Spectrum")
self.TF_btn = QtGui.QPushButton("Time-Freq.")
self.bar_btn = QtGui.QPushButton("Bar")
self.topo_btn = QtGui.QPushButton("Topographic")
gridlayout = QtGui.QGridLayout()
gridlayout.addWidget(self.contact_btn, 0, 0, 1, 1)
gridlayout.addWidget(self.signal_btn, 0, 1, 1, 1)
gridlayout.addWidget(self.spectrum_btn, 0, 2, 1, 1)
gridlayout.addWidget(self.TF_btn, 0, 3, 1, 1)
gridlayout.addWidget(self.bar_btn, 0, 4, 1, 1)
gridlayout.addWidget(self.topo_btn, 0, 5, 1, 1)
groupBox.setLayout(gridlayout)
return groupBox
def set_all_button_state(self, operation):
self.signal_btn.setEnabled(operation)
self.contact_btn.setEnabled(operation)
self.spectrum_btn.setEnabled(operation)
self.TF_btn.setEnabled(operation)
self.bar_btn.setEnabled(operation)
self.topo_btn.setEnabled(operation)
self.record_btn.setEnabled(operation)
def update_contact_btn_state(self):
if self.record_btn.isEnabled() and self.signal_btn.isEnabled() \
and self.spectrum_btn.isEnabled() and self.TF_btn.isEnabled() \
and self.bar_btn.isEnabled() and self.topo_btn.isEnabled():
self.contact_btn.setEnabled(True)
else:
self.contact_btn.setEnabled(False)
def record_group(self):
groupBox = QtGui.QGroupBox("Data Record")
gridlayout = QtGui.QGridLayout()
path_label = QtWidgets.QLabel()
path_label.setText("File Path:")
self.file_path_input = QtGui.QLineEdit()
self.file_path_select_btn = QtGui.QPushButton("...")
gridlayout.addWidget(path_label, 0, 0, 1, 2)
gridlayout.addWidget(self.file_path_input, 0, 2, 1, 2)
gridlayout.addWidget(self.file_path_select_btn, 0, 4, 1, 2)
name_label = QtWidgets.QLabel()
name_label.setText("File Name:")
self.file_name_input = QtGui.QLineEdit()
self.file_type = QtGui.QComboBox()
self.file_type.addItem(".csv")
self.file_type.addItem(".bdf")
self.file_type.addItem(".edf")
self.file_type.addItem(".gdf")
gridlayout.addWidget(name_label, 1, 0, 1, 2)
gridlayout.addWidget(self.file_name_input, 1, 2, 1, 2)
gridlayout.addWidget(self.file_type, 1, 4, 1, 2)
self.record_btn = QtGui.QPushButton("Start Recording")
self.record_btn.setStyleSheet("background-color: blue")
self.stop_btn = QtGui.QPushButton("Stop Recording")
self.stop_btn.setStyleSheet("background-color: red")
gridlayout.addWidget(self.record_btn, 2, 0, 1, 3)
gridlayout.addWidget(self.stop_btn, 2, 3, 1, 3)
groupBox.setLayout(gridlayout)
return groupBox
def log_group(self):
groupBox = QtGui.QGroupBox("Log Message")
self.log_widget = QtGui.QPlainTextEdit()
self.log_widget.setReadOnly(True)
self.log_widget.appendPlainText("11:43:30 System start")
boxlayout = QtGui.QVBoxLayout()
boxlayout.addWidget(self.log_widget)
groupBox.setLayout(boxlayout)
self.recording_group = groupBox
return groupBox
def setupSignals(self):
self.lastWindowClosed.connect(self.clean_up)
self.connect_btn.clicked.connect(self.init_ws)
self.signal_btn.clicked.connect(self.decimated_handler)
self.contact_btn.clicked.connect(self.contact_handler)
self.spectrum_btn.clicked.connect(self.spectrum_handler)
self.TF_btn.clicked.connect(self.TF_handler)
self.bar_btn.clicked.connect(self.bar_handler)
self.topo_btn.clicked.connect(self.topo_handler)
self.record_btn.clicked.connect(self.start_recording)
self.stop_btn.clicked.connect(self.stop_recording)
self.file_path_select_btn.clicked.connect(self.select_file_path)
def decimated_handler(self):
if self.decimated_plot_proc:
if self.decimated_plot_proc.poll() is None:
return
try:
self.signal_btn.setEnabled(False)
self.contact_btn.setEnabled(False)
if os.name is 'posix':
self.decimated_plot_proc = Popen(['python3', 'raw_data_plot.py'])
else:
self.decimated_plot_proc = Popen(['python', 'raw_data_plot.py'])
except Exception as e:
self.decimated_plot_proc.kill()
logging.error(str(e))
def contact_handler(self):
if self.contact_plot_proc:
if self.contact_plot_proc.poll() is None:
return
try:
self.set_all_button_state(False)
if os.name is 'posix':
self.contact_plot_proc = Popen(['python3', 'contact_plot.py'])
else:
self.contact_plot_proc = Popen(['python', 'contact_plot.py'])
except Exception as e:
self.contact_plot_proc.kill()
logging.error(str(e))
def spectrum_handler(self):
if self.spectrum_proc:
if self.spectrum_proc.poll() is None:
return
try:
self.spectrum_btn.setEnabled(False)
self.contact_btn.setEnabled(False)
if os.name is 'posix':
self.spectrum_proc = Popen(['python3', 'fft_plot.py'])
else:
self.spectrum_proc = Popen(['python', 'fft_plot.py'])
except Exception as e:
self.spectrum_proc.kill()
logging.error(str(e))
def TF_handler(self):
if self.TF_proc:
if self.TF_proc.poll() is None:
return
try:
self.TF_btn.setEnabled(False)
self.contact_btn.setEnabled(False)
if os.name is 'posix':
self.TF_proc = Popen(['python3', 'TF_plot.py'])
else:
self.TF_proc = Popen(['python', 'TF_plot.py'])
except Exception as e:
self.TF_proc.kill()
logging.error(str(e))
def bar_handler(self):
if self.bar_proc:
if self.bar_proc.poll() is None:
return
try:
self.bar_btn.setEnabled(False)
self.contact_btn.setEnabled(False)
if os.name is 'posix':
self.bar_proc = Popen(['python3', 'bar_plot.py'])
else:
self.bar_proc = Popen(['python', 'bar_plot.py'])
except Exception as e:
self.bar_proc.kill()
logging.error(str(e))
def topo_handler(self):
if self.topo_proc:
if self.topo_proc.poll() is None:
return
try:
self.topo_btn.setEnabled(False)
self.contact_btn.setEnabled(False)
if os.name is 'posix':
self.topo_proc = Popen(['python3', 'topo_plot.py'])
else:
self.topo_proc = Popen(['python', 'topo_plot.py'])
except Exception as e:
self.topo_proc.kill()
logging.error(str(e))
def start_recording(self):
if self.state == "IDLE":
self.record_btn.setEnabled(False)
self.contact_btn.setEnabled(False)
self.ws_client.raw_data.clear()
self.ws_client.raw_data_ticks.clear()
self.ws_client.raw_data_events.clear()
self.ws_client.send_request_raw()
self.ws_client.send_setting_raw(True)
if self.file_path_input.text() == "":
default_path = os.path.join(os.path.expanduser("~"),"ArtiseBio")
while os.path.isdir(default_path):
os.mkdir(default_path)
self.file_path_input.setText(default_path)
#set default filename
if self.file_name_input.text() == "":
timestamp = time.strftime("%y%m%d%H%M%S")
default_filename = timestamp
self.file_name_input.setText(default_filename)
else:
timestamp = time.strftime("%H%M%S")
self.file_name_input.setText(self.file_name_input.text() + "_" + timestamp)
file_path = os.path.join(self.file_path_input.text(), self.file_name_input.text()+self.file_type.currentText())
if self.file_type.currentText() == '.csv':
self.current_file = CSV_FILE(filepath=file_path, ws_client=self.ws_client)
elif self.file_type.currentText() == '.edf':
self.current_file = EDF_FILE(filepath=file_path, ws_client=self.ws_client)
elif self.file_type.currentText() == '.bdf':
self.current_file = BDF_FILE(filepath=file_path, ws_client=self.ws_client)
elif self.file_type.currentText() == '.gdf':
self.current_file = GDF_FILE(filepath=file_path, ws_client=self.ws_client)
self.state = "RECORDING"
self.time_t = TimeThread()
self.time_t.signal_time.connect(self.update_elapsed_time)
self.time_t.start_timer()
elif self.state == "RECORDING":
pass
def stop_recording(self):
if self.state == "RECORDING":
#check if other plot or record not running
self.ws_client.send_setting_raw(False)
self.time_t.stop()
self.state = "IDLE"
self.record_btn.setText("Start Recording")
self.file_name_input.setText("")
self.current_file.close_raw_record_file()
self.current_file = None
self.record_btn.setEnabled(True)
self.update_contact_btn_state()
elif self.state == "IDLE":
pass
def select_file_path(self):
file_path = str(QtGui.QFileDialog.getExistingDirectory(self.recording_group, "Select Directory"))
if file_path == '':
return
self.file_path_input.setText(file_path)
def update_elapsed_time(self, timestamp):
if self.state == "RECORDING":
self.record_btn.setText("Elapsed Time "+ "{:.2f}".format(float(timestamp)))
def clean_up(self):
if self.decimated_plot_proc and self.decimated_plot_proc.poll() is None:
self.decimated_plot_proc.kill()
if self.contact_plot_proc and self.contact_plot_proc.poll() is None:
self.contact_plot_proc.kill()
if self.spectrum_proc and self.spectrum_proc.poll() is None:
self.spectrum_proc.kill()
if self.TF_proc and self.TF_proc.poll() is None:
self.TF_proc.kill()
if self.bar_proc and self.bar_proc.poll() is None:
self.bar_proc.kill()
if self.topo_proc and self.topo_proc.poll() is None:
self.topo_proc.kill()