272 lines
10 KiB
Python
272 lines
10 KiB
Python
''' app/ui/main_window.py '''
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from PyQt6.QtCore import Qt, QTimer
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from PyQt6.QtWidgets import QMainWindow, QWidget, QHBoxLayout, QTextEdit, QLabel, QDialog
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from PyQt6.QtGui import QIcon
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from .widgets.menubar import MenuBar
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from .widgets.toolbar import ToolBar
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from .widgets.statusbar import StatusBar
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from .widgets.metadata_input import MetadataInput
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from .widgets.plot import Plot
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from .widgets.device_select import ListChoice
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# from .widgets.treeview import TreeView
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import multiprocessing as mp
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import threading as mt
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from ..utility.config import AppConfig
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import cpdctrl.voltage_measurement_device as vmd
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import cpdctrl.led_control_device as ledd
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from cpdctrl.led_script import LedScript
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from cpdctrl.utility.data import DataCollector
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from cpdctrl.measurement import measure
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class MainWindow(QMainWindow):
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"""
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MainWindow
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Args:
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QMainWindow (QMainWindow): Inheritance
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"""
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def __init__(self) -> None:
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"""
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Initialize the Main-Window.
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"""
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super().__init__()
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# Window-Settings
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self.setWindowTitle(AppConfig.APP_NAME)
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self.setGeometry(100, 100, 800, 600)
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central_widget = QWidget(self)
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self.setCentralWidget(central_widget)
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layout = QHBoxLayout(central_widget)
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central_widget.setLayout(layout)
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# Create Widgets
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# self.treeview = self.create_treeview()
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self.editbox = self.create_edit()
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self.create_toolbars()
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# Add Widgets to Window
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self.setMenuBar(MenuBar(self))
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self.setStatusBar(StatusBar(self))
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# layout.addWidget(self.treeview)
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layout.addWidget(self.editbox, stretch=1)
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layout.addWidget(self.editbox)
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init_elements = [("name1", "val1"), ("name2", "val2")]
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layout.addWidget(MetadataInput(init_elements))
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self.plot_widget = Plot()
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layout.addWidget(self.plot_widget)
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self.verbose = True
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# devices
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self.vmdev = None
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self.leddev = None
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self.vmdev_autoconnect()
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self.leddev_autoconnect()
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# Measurement
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self.measurement_timer = None
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self.led_script = None
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self.data_collector = None
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self.data_queue = None
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self.proc_measure = None
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def create_toolbars(self) -> None:
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"""
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Creates and adds the top and right toolbars to the main window.
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"""
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# Top Toolbar [PyQt6.QtWidgets.QToolBar]
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self.topbar = ToolBar(self, orientation=Qt.Orientation.Horizontal,
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style=Qt.ToolButtonStyle.ToolButtonTextUnderIcon, icon_size=(24, 24))
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# Top Toolbar Buttons
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self.topbar.add_button("Devices", QIcon.fromTheme(QIcon.ThemeIcon.Printer), self.vmdev_connect_from_dialog)
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self.topbar.add_button("Start", QIcon.fromTheme(QIcon.ThemeIcon.MediaPlaybackStart), self.measure_start)
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self.topbar.add_button("Stop", QIcon.fromTheme(QIcon.ThemeIcon.MediaPlaybackStop), self.measure_stop)
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self.topbar.add_button("Save", "resources/assets/icons/windows/shell32-259.ico", self.save_file)
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self.topbar.add_separator()
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self.topbar.add_button("Exit", "resources/assets/icons/windows/shell32-220.ico", self.exit_app)
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# Right Toolbar [PyQt6.QtWidgets.QToolBar]
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self.rightbar = ToolBar(self, orientation=Qt.Orientation.Vertical,
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style=Qt.ToolButtonStyle.ToolButtonIconOnly,
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icon_size=(24, 24))
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# Right Toolbar Buttons
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self.rightbar.add_separator()
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self.rightbar.add_button("Settings", "resources/assets/icons/windows/shell32-315.ico", self.settings_window)
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self.addToolBar(Qt.ToolBarArea.TopToolBarArea, self.topbar)
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self.addToolBar(Qt.ToolBarArea.RightToolBarArea, self.rightbar)
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# def create_treeview(self) -> TreeView:
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"""
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Creates and adds the tree view widget to the main window.
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"""
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# return TreeView(self)
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def leddev_connect(self, leddev_type, leddev_name):
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self.leddev = ledd.connect_device(leddev_type, leddev_name)
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AppConfig.MAIN_CFG.set("led_device_last.type", leddev_type)
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AppConfig.MAIN_CFG.set("led_device_last.name", leddev_name)
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def leddev_autoconnect(self):
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if AppConfig.MAIN_CFG.get_or("led_device_auto_reconnect", False):
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try:
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leddev_type = AppConfig.MAIN_CFG.get("led_device_last.type")
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leddev_name = AppConfig.MAIN_CFG.get("led_device_last.name")
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self.leddev_connect(leddev_type, leddev_name)
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except KeyError:
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pass
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def leddev_connect_from_dialog(self):
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"""
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Open a dialog that lets the user choose a LED control device,
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and then connects to the device.
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"""
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devices = ledd.list_devices()
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device_dialog = ListChoice(devices)
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if device_dialog.exec() == QDialog.DialogCode.Accepted:
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leddev_type, leddev_name = device_dialog.get_selected()
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if self.verbose: print(f"Connecting to {leddev_type}:{leddev_name}")
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self.leddev_connect(leddev_type, leddev_name)
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def vmdev_connect(self, vmdev_type, vmdev_name):
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self.vmdev = vmd.connect_device(vmdev_type, vmdev_name)
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AppConfig.MAIN_CFG.set("voltage_measurement_device_last.type", vmdev_type)
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AppConfig.MAIN_CFG.set("voltage_measurement_device_last.name", vmdev_name)
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def vmdev_autoconnect(self):
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if AppConfig.MAIN_CFG.get_or("voltage_measurement_device_auto_reconnect", False):
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try:
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vmdev_type = AppConfig.MAIN_CFG.get("voltage_measurement_device_last.type")
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vmdev_name = AppConfig.MAIN_CFG.get("voltage_measurement_device_last.name")
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self.vmdev_connect(vmdev_type, vmdev_name)
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except KeyError:
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pass
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def vmdev_connect_from_dialog(self):
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"""
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Open a dialog that lets the user choose a voltage measurement device,
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and then connects to the device.
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"""
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devices = vmd.list_devices()
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device_dialog = ListChoice(devices)
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if device_dialog.exec() == QDialog.DialogCode.Accepted:
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vmdev_type, vmdev_name = device_dialog.get_selected()
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if self.verbose: print(f"Connecting to {vmdev_type}:{vmdev_name}")
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self.vmdev_connect(vmdev_type, vmdev_name)
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def measure_start(self):
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if self.vmdev is None:
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self.vmdev_connect_from_dialog()
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if self.vmdev is None:
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raise ValueError("No measurement device selected")
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if self.leddev is None:
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self.leddev_connect_from_dialog()
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if self.leddev is None:
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raise ValueError("No led control device selected")
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script = 100
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measurement_name = "guitest"
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led_script = LedScript(script=script)
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flush_after = AppConfig.MAIN_CFG.get_or("flush_after", None)
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use_buffer = AppConfig.MAIN_CFG.get_or("use_buffer", False)
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max_measurements = AppConfig.MAIN_CFG.get_or("max_measurements", None)
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stop_on_script_end = AppConfig.MAIN_CFG.get_or("stop_on_script_end", False)
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interval = AppConfig.MAIN_CFG.get_or("measurement_interval_s", 1.0)
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metadata = {}
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metadata["interval"] = str(interval)
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metadata["name"] = measurement_name
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metadata["led"] = "led"
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metadata["led_script"] = str(script)
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if self.verbose:
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print(f"Starting measurement with:\n\tinterval = {interval}\n\tflush_after = {flush_after}\n\tuse_buffer = {use_buffer}\n\tmax_measurements = {max_measurements}\n\tstop_on_script_end = {stop_on_script_end}")
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self.led_script = LedScript(script=script, auto_update=True, verbose=True)
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self.data_collector = DataCollector(metadata=metadata, data_path=AppConfig.MAIN_CFG.get("datadir"), data_name=measurement_name)
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# data_collector.clear()
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self.data_queue = mp.Queue()
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self.command_queue = mp.Queue()
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# Argument order must match the definition
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self.proc_measure = mt.Thread(target=measure, args=(
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self.vmdev,
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self.leddev,
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self.led_script,
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self.data_collector,
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interval,
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flush_after,
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use_buffer,
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max_measurements,
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stop_on_script_end,
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self.verbose, # verbose
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self.command_queue,
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self.data_queue
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))
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self.proc_measure.start()
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self.measurement_timer = QTimer(self)
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self.measurement_timer.timeout.connect(self.measure_update)
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self.measurement_timer.start(300) # TODO: set interval
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def measure_stop(self):
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if not self.measurement_is_running():
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raise RuntimeError("measure_stop: Measurement is not running")
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self.command_queue.put("stop")
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self.measurement_timer.stop()
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self.proc_measure.join()
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print("Measurement stopped" + " " * 50)
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self.led_script.stop_updating() # stop watching for file updates (if enabled)
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self.data_collector.save_csv(verbose=True)
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data, metadata = self.data_collector.get_data()
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self.proc_measure = None
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self.led_script = None
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def measure_update(self):
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if self.proc_measure.is_alive():
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while not self.data_queue.empty():
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# print(data_queue.qsize(), "\n\n")
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current_data = self.data_queue.get(block=False)
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i, tval, vval, led_val = current_data
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print(f"Data {i:03}: {tval}s, {vval}V, {led_val}%")
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# update the plot
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self.plot_widget.update(tval, vval, led_val)
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def measurement_is_running(self):
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return self.proc_measure is not None
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def create_edit(self) -> QTextEdit:
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"""
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Creates and adds the QTextEdit widget to the main window.
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"""
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return QTextEdit(self)
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def open_file(self) -> None:
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"""
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Event handler for the "Open" button. Displays the "Open File" dialog.
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"""
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print("Open")
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def save_file(self) -> None:
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"""
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Event handler for the "Save" button. Displays the "Save File" dialog.
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"""
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print("Save")
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def exit_app(self) -> None:
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"""
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Event handler for the "Exit" button. Closes the application.
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"""
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self.close()
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def settings_window(self) -> None:
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"""
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Event handler for the "Settings" button. Displays the "Settings" window.
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"""
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