kopia lustrzana https://github.com/NanoVNA-Saver/nanovna-saver
1010 wiersze
40 KiB
Python
1010 wiersze
40 KiB
Python
# NanoVNASaver
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#
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# A python program to view and export Touchstone data from a NanoVNA
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# Copyright (C) 2019, 2020 Rune B. Broberg
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# Copyright (C) 2020 NanoVNA-Saver Authors
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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import logging
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import math
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import sys
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import threading
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from time import sleep, strftime, localtime
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from typing import List
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import serial
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from PyQt5 import QtWidgets, QtCore, QtGui
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from .Windows import (
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AboutWindow, AnalysisWindow, CalibrationWindow,
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DeviceSettingsWindow, DisplaySettingsWindow, SweepSettingsWindow,
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TDRWindow
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)
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from .Formatting import (
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format_frequency, format_frequency_short, format_frequency_sweep,
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parse_frequency,
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)
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from .Hardware import get_interfaces, get_VNA, InvalidVNA
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from .RFTools import Datapoint
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from .Charts.Chart import Chart
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from .Charts import (
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CapacitanceChart,
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CombinedLogMagChart, GroupDelayChart, InductanceChart,
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LogMagChart, PhaseChart,
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MagnitudeChart, MagnitudeZChart,
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QualityFactorChart, VSWRChart, PermeabilityChart, PolarChart,
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RealImaginaryChart,
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SmithChart, SParameterChart, TDRChart,
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)
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from .Calibration import Calibration
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from .Inputs import FrequencyInputWidget
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from .Marker import Marker
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from .SweepWorker import SweepWorker
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from .Settings import BandsModel
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from .Touchstone import Touchstone
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from .About import VERSION as ver
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from NanoVNASaver.RFTools import corrAttData
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logger = logging.getLogger(__name__)
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class NanoVNASaver(QtWidgets.QWidget):
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version = ver
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dataAvailable = QtCore.pyqtSignal()
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scaleFactor = 1
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sweepTitle = ""
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def __init__(self):
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super().__init__()
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self.s21att = 0.0
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if getattr(sys, 'frozen', False):
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logger.debug("Running from pyinstaller bundle")
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self.icon = QtGui.QIcon(f"{sys._MEIPASS}/icon_48x48.png") # pylint: disable=no-member
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else:
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self.icon = QtGui.QIcon("icon_48x48.png")
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self.setWindowIcon(self.icon)
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self.settings = QtCore.QSettings(QtCore.QSettings.IniFormat,
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QtCore.QSettings.UserScope,
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"NanoVNASaver", "NanoVNASaver")
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print(f"Settings: {self.settings.fileName()}")
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self.threadpool = QtCore.QThreadPool()
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self.worker = SweepWorker(self)
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self.worker.signals.updated.connect(self.dataUpdated)
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self.worker.signals.finished.connect(self.sweepFinished)
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self.worker.signals.sweepError.connect(self.showSweepError)
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self.worker.signals.fatalSweepError.connect(self.showFatalSweepError)
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self.bands = BandsModel()
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self.noSweeps = 1 # Number of sweeps to run
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self.serialLock = threading.Lock()
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self.serial = serial.Serial()
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self.vna = InvalidVNA(self, serial)
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self.dataLock = threading.Lock()
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# TODO: use Touchstone class as data container
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self.data: List[Datapoint] = []
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self.data21: List[Datapoint] = []
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self.referenceS11data: List[Datapoint] = []
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self.referenceS21data: List[Datapoint] = []
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self.sweepSource = ""
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self.referenceSource = ""
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self.calibration = Calibration()
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self.markers = []
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self.serialPort = ""
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logger.debug("Building user interface")
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self.baseTitle = f"NanoVNA Saver {NanoVNASaver.version}"
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self.updateTitle()
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layout = QtWidgets.QGridLayout()
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scrollarea = QtWidgets.QScrollArea()
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outer = QtWidgets.QVBoxLayout()
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outer.addWidget(scrollarea)
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self.setLayout(outer)
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scrollarea.setWidgetResizable(True)
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window_width = self.settings.value("WindowWidth", 1350, type=int)
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window_height = self.settings.value("WindowHeight", 950, type=int)
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self.resize(window_width, window_height)
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scrollarea.setSizePolicy(
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QtWidgets.QSizePolicy.MinimumExpanding, QtWidgets.QSizePolicy.MinimumExpanding)
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self.setSizePolicy(QtWidgets.QSizePolicy.MinimumExpanding,
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QtWidgets.QSizePolicy.MinimumExpanding)
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widget = QtWidgets.QWidget()
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widget.setLayout(layout)
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scrollarea.setWidget(widget)
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# outer.setContentsMargins(2, 2, 2, 2) # Small screen mode, reduce margins?
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self.s11SmithChart = SmithChart("S11 Smith Chart")
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self.s21PolarChart = PolarChart("S21 Polar Plot")
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self.s11SParameterChart = SParameterChart("S11 Real/Imaginary")
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self.s21SParameterChart = SParameterChart("S21 Real/Imaginary")
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self.s11LogMag = LogMagChart("S11 Return Loss")
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self.s21LogMag = LogMagChart("S21 Gain")
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self.s11Mag = MagnitudeChart("|S11|")
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self.s21Mag = MagnitudeChart("|S21|")
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self.s11MagZ = MagnitudeZChart("S11 |Z|")
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self.s11Phase = PhaseChart("S11 Phase")
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self.s21Phase = PhaseChart("S21 Phase")
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self.s11GroupDelay = GroupDelayChart("S11 Group Delay")
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self.s11CapacitanceChart = CapacitanceChart("S11 Serial C")
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self.s11InductanceChart = InductanceChart("S11 Serial L")
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self.s21GroupDelay = GroupDelayChart(
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"S21 Group Delay", reflective=False)
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self.permabilityChart = PermeabilityChart(
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"S11 R/\N{GREEK SMALL LETTER OMEGA} & X/\N{GREEK SMALL LETTER OMEGA}")
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self.s11VSWR = VSWRChart("S11 VSWR")
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self.s11QualityFactor = QualityFactorChart("S11 Quality Factor")
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self.s11RealImaginary = RealImaginaryChart("S11 R+jX")
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self.tdr_chart = TDRChart("TDR")
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self.tdr_mainwindow_chart = TDRChart("TDR")
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self.combinedLogMag = CombinedLogMagChart("S11 & S21 LogMag")
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# List of all the S11 charts, for selecting
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self.s11charts: List[Chart] = []
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self.s11charts.append(self.s11SmithChart)
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self.s11charts.append(self.s11LogMag)
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self.s11charts.append(self.s11Mag)
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self.s11charts.append(self.s11MagZ)
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self.s11charts.append(self.s11Phase)
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self.s11charts.append(self.s11GroupDelay)
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self.s11charts.append(self.s11VSWR)
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self.s11charts.append(self.s11RealImaginary)
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self.s11charts.append(self.s11QualityFactor)
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self.s11charts.append(self.s11SParameterChart)
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self.s11charts.append(self.s11CapacitanceChart)
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self.s11charts.append(self.s11InductanceChart)
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self.s11charts.append(self.permabilityChart)
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# List of all the S21 charts, for selecting
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self.s21charts: List[Chart] = []
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self.s21charts.append(self.s21PolarChart)
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self.s21charts.append(self.s21LogMag)
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self.s21charts.append(self.s21Mag)
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self.s21charts.append(self.s21Phase)
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self.s21charts.append(self.s21GroupDelay)
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self.s21charts.append(self.s21SParameterChart)
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# List of all charts that use both S11 and S21
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self.combinedCharts: List[Chart] = []
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self.combinedCharts.append(self.combinedLogMag)
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# List of all charts that can be selected for display
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self.selectable_charts = self.s11charts + self.s21charts + self.combinedCharts
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self.selectable_charts.append(self.tdr_mainwindow_chart)
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# List of all charts that subscribe to updates (including duplicates!)
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self.subscribing_charts = []
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self.subscribing_charts.extend(self.selectable_charts)
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self.subscribing_charts.append(self.tdr_chart)
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for c in self.subscribing_charts:
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c.popoutRequested.connect(self.popoutChart)
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self.charts_layout = QtWidgets.QGridLayout()
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left_column = QtWidgets.QVBoxLayout()
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self.marker_column = QtWidgets.QVBoxLayout()
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self.marker_frame = QtWidgets.QFrame()
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self.marker_column.setContentsMargins(0, 0, 0, 0)
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self.marker_frame.setLayout(self.marker_column)
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right_column = QtWidgets.QVBoxLayout()
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right_column.addLayout(self.charts_layout)
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self.marker_frame.setHidden(not self.settings.value("MarkersVisible", True, bool))
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layout.addLayout(left_column, 0, 0)
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layout.addWidget(self.marker_frame, 0, 1)
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layout.addLayout(right_column, 0, 2)
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###############################################################
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# Sweep control
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###############################################################
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sweep_control_box = QtWidgets.QGroupBox()
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sweep_control_box.setMaximumWidth(250)
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sweep_control_box.setTitle("Sweep control")
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sweep_control_layout = QtWidgets.QFormLayout(sweep_control_box)
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line = QtWidgets.QFrame()
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line.setFrameShape(QtWidgets.QFrame.VLine)
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sweep_input_layout = QtWidgets.QHBoxLayout()
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sweep_input_left_layout = QtWidgets.QFormLayout()
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sweep_input_right_layout = QtWidgets.QFormLayout()
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sweep_input_layout.addLayout(sweep_input_left_layout)
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sweep_input_layout.addWidget(line)
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sweep_input_layout.addLayout(sweep_input_right_layout)
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sweep_control_layout.addRow(sweep_input_layout)
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self.sweepStartInput = FrequencyInputWidget()
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self.sweepStartInput.setMinimumWidth(60)
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self.sweepStartInput.setAlignment(QtCore.Qt.AlignRight)
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self.sweepStartInput.textEdited.connect(self.updateCenterSpan)
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self.sweepStartInput.textChanged.connect(self.updateStepSize)
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sweep_input_left_layout.addRow(QtWidgets.QLabel("Start"), self.sweepStartInput)
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self.sweepEndInput = FrequencyInputWidget()
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self.sweepEndInput.setAlignment(QtCore.Qt.AlignRight)
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self.sweepEndInput.textEdited.connect(self.updateCenterSpan)
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self.sweepEndInput.textChanged.connect(self.updateStepSize)
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sweep_input_left_layout.addRow(QtWidgets.QLabel("Stop"), self.sweepEndInput)
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self.sweepCenterInput = FrequencyInputWidget()
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self.sweepCenterInput.setMinimumWidth(60)
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self.sweepCenterInput.setAlignment(QtCore.Qt.AlignRight)
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self.sweepCenterInput.textEdited.connect(self.updateStartEnd)
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sweep_input_right_layout.addRow(QtWidgets.QLabel("Center"), self.sweepCenterInput)
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self.sweepSpanInput = FrequencyInputWidget()
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self.sweepSpanInput.setAlignment(QtCore.Qt.AlignRight)
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self.sweepSpanInput.textEdited.connect(self.updateStartEnd)
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sweep_input_right_layout.addRow(QtWidgets.QLabel("Span"), self.sweepSpanInput)
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self.sweepCountInput = QtWidgets.QLineEdit(self.settings.value("Segments", "1"))
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self.sweepCountInput.setAlignment(QtCore.Qt.AlignRight)
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self.sweepCountInput.setFixedWidth(60)
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self.sweepCountInput.textEdited.connect(self.updateStepSize)
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self.sweepStepLabel = QtWidgets.QLabel("Hz/step")
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self.sweepStepLabel.setAlignment(QtCore.Qt.AlignRight | QtCore.Qt.AlignVCenter)
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segment_layout = QtWidgets.QHBoxLayout()
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segment_layout.addWidget(self.sweepCountInput)
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segment_layout.addWidget(self.sweepStepLabel)
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sweep_control_layout.addRow(QtWidgets.QLabel("Segments"), segment_layout)
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self.sweepSettingsWindow = SweepSettingsWindow(self)
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btn_sweep_settings_window = QtWidgets.QPushButton("Sweep settings ...")
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btn_sweep_settings_window.clicked.connect(self.displaySweepSettingsWindow)
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sweep_control_layout.addRow(btn_sweep_settings_window)
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self.sweepProgressBar = QtWidgets.QProgressBar()
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self.sweepProgressBar.setMaximum(100)
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self.sweepProgressBar.setValue(0)
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sweep_control_layout.addRow(self.sweepProgressBar)
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self.btnSweep = QtWidgets.QPushButton("Sweep")
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self.btnSweep.clicked.connect(self.sweep)
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self.btnSweep.setShortcut(QtCore.Qt.Key_W | QtCore.Qt.CTRL)
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self.btnStopSweep = QtWidgets.QPushButton("Stop")
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self.btnStopSweep.clicked.connect(self.stopSweep)
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self.btnStopSweep.setShortcut(QtCore.Qt.Key_Escape)
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self.btnStopSweep.setDisabled(True)
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btn_layout = QtWidgets.QHBoxLayout()
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btn_layout.addWidget(self.btnSweep)
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btn_layout.addWidget(self.btnStopSweep)
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btn_layout.setContentsMargins(0, 0, 0, 0)
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btn_layout_widget = QtWidgets.QWidget()
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btn_layout_widget.setLayout(btn_layout)
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sweep_control_layout.addRow(btn_layout_widget)
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left_column.addWidget(sweep_control_box)
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###############################################################
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# Marker control
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###############################################################
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marker_control_box = QtWidgets.QGroupBox()
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marker_control_box.setTitle("Markers")
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marker_control_box.setMaximumWidth(250)
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self.marker_control_layout = QtWidgets.QFormLayout(marker_control_box)
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marker_count = max(self.settings.value("MarkerCount", 3, int), 1)
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for i in range(marker_count):
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marker = Marker("", self.settings)
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marker.updated.connect(self.markerUpdated)
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label, layout = marker.getRow()
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self.marker_control_layout.addRow(label, layout)
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self.markers.append(marker)
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if i == 0:
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marker.isMouseControlledRadioButton.setChecked(True)
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self.showMarkerButton = QtWidgets.QPushButton()
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if self.marker_frame.isHidden():
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self.showMarkerButton.setText("Show data")
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else:
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self.showMarkerButton.setText("Hide data")
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self.showMarkerButton.clicked.connect(self.toggleMarkerFrame)
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lock_radiobutton = QtWidgets.QRadioButton("Locked")
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lock_radiobutton.setLayoutDirection(QtCore.Qt.RightToLeft)
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lock_radiobutton.setSizePolicy(
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QtWidgets.QSizePolicy.Maximum, QtWidgets.QSizePolicy.Preferred)
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hbox = QtWidgets.QHBoxLayout()
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hbox.addWidget(self.showMarkerButton)
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hbox.addWidget(lock_radiobutton)
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self.marker_control_layout.addRow(hbox)
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for c in self.subscribing_charts:
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c.setMarkers(self.markers)
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c.setBands(self.bands)
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left_column.addWidget(marker_control_box)
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self.marker_data_layout = QtWidgets.QVBoxLayout()
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self.marker_data_layout.setContentsMargins(0, 0, 0, 0)
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for m in self.markers:
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self.marker_data_layout.addWidget(m.getGroupBox())
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self.marker_column.addLayout(self.marker_data_layout)
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###############################################################
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# Statistics/analysis
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###############################################################
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s11_control_box = QtWidgets.QGroupBox()
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s11_control_box.setTitle("S11")
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s11_control_layout = QtWidgets.QFormLayout()
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s11_control_box.setLayout(s11_control_layout)
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self.s11_min_swr_label = QtWidgets.QLabel()
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s11_control_layout.addRow("Min VSWR:", self.s11_min_swr_label)
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self.s11_min_rl_label = QtWidgets.QLabel()
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s11_control_layout.addRow("Return loss:", self.s11_min_rl_label)
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self.marker_column.addWidget(s11_control_box)
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s21_control_box = QtWidgets.QGroupBox()
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s21_control_box.setTitle("S21")
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s21_control_layout = QtWidgets.QFormLayout()
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s21_control_box.setLayout(s21_control_layout)
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self.s21_min_gain_label = QtWidgets.QLabel()
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s21_control_layout.addRow("Min gain:", self.s21_min_gain_label)
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self.s21_max_gain_label = QtWidgets.QLabel()
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s21_control_layout.addRow("Max gain:", self.s21_max_gain_label)
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self.marker_column.addWidget(s21_control_box)
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self.marker_column.addStretch(1)
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self.analysis_window = AnalysisWindow(self)
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btn_show_analysis = QtWidgets.QPushButton("Analysis ...")
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btn_show_analysis.clicked.connect(self.displayAnalysisWindow)
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self.marker_column.addWidget(btn_show_analysis)
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###############################################################
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# TDR
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###############################################################
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self.tdr_window = TDRWindow(self)
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self.tdr_chart.tdrWindow = self.tdr_window
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self.tdr_mainwindow_chart.tdrWindow = self.tdr_window
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self.tdr_window.updated.connect(self.tdr_chart.update)
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self.tdr_window.updated.connect(self.tdr_mainwindow_chart.update)
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tdr_control_box = QtWidgets.QGroupBox()
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tdr_control_box.setTitle("TDR")
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tdr_control_layout = QtWidgets.QFormLayout()
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tdr_control_box.setLayout(tdr_control_layout)
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tdr_control_box.setMaximumWidth(250)
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self.tdr_result_label = QtWidgets.QLabel()
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tdr_control_layout.addRow("Estimated cable length:", self.tdr_result_label)
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self.tdr_button = QtWidgets.QPushButton("Time Domain Reflectometry ...")
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self.tdr_button.clicked.connect(self.displayTDRWindow)
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tdr_control_layout.addRow(self.tdr_button)
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left_column.addWidget(tdr_control_box)
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###############################################################
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# Spacer
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###############################################################
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left_column.addSpacerItem(
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QtWidgets.QSpacerItem(1, 1, QtWidgets.QSizePolicy.Fixed,
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QtWidgets.QSizePolicy.Expanding))
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###############################################################
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# Reference control
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###############################################################
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reference_control_box = QtWidgets.QGroupBox()
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reference_control_box.setMaximumWidth(250)
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reference_control_box.setTitle("Reference sweep")
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reference_control_layout = QtWidgets.QFormLayout(reference_control_box)
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btn_set_reference = QtWidgets.QPushButton("Set current as reference")
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btn_set_reference.clicked.connect(self.setReference)
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self.btnResetReference = QtWidgets.QPushButton("Reset reference")
|
|
self.btnResetReference.clicked.connect(self.resetReference)
|
|
self.btnResetReference.setDisabled(True)
|
|
|
|
reference_control_layout.addRow(btn_set_reference)
|
|
reference_control_layout.addRow(self.btnResetReference)
|
|
|
|
left_column.addWidget(reference_control_box)
|
|
|
|
###############################################################
|
|
# Serial control
|
|
###############################################################
|
|
|
|
serial_control_box = QtWidgets.QGroupBox()
|
|
serial_control_box.setMaximumWidth(250)
|
|
serial_control_box.setTitle("Serial port control")
|
|
serial_control_layout = QtWidgets.QFormLayout(serial_control_box)
|
|
self.serialPortInput = QtWidgets.QComboBox()
|
|
self.rescanSerialPort()
|
|
self.serialPortInput.setEditable(True)
|
|
btn_rescan_serial_port = QtWidgets.QPushButton("Rescan")
|
|
btn_rescan_serial_port.setFixedWidth(60)
|
|
btn_rescan_serial_port.clicked.connect(self.rescanSerialPort)
|
|
serial_port_input_layout = QtWidgets.QHBoxLayout()
|
|
serial_port_input_layout.addWidget(self.serialPortInput)
|
|
serial_port_input_layout.addWidget(btn_rescan_serial_port)
|
|
serial_control_layout.addRow(
|
|
QtWidgets.QLabel("Serial port"), serial_port_input_layout)
|
|
|
|
serial_button_layout = QtWidgets.QHBoxLayout()
|
|
|
|
self.btnSerialToggle = QtWidgets.QPushButton("Connect to device")
|
|
self.btnSerialToggle.clicked.connect(self.serialButtonClick)
|
|
serial_button_layout.addWidget(self.btnSerialToggle, stretch=1)
|
|
|
|
self.deviceSettingsWindow = DeviceSettingsWindow(self)
|
|
self.btnDeviceSettings = QtWidgets.QPushButton("Manage")
|
|
self.btnDeviceSettings.clicked.connect(self.displayDeviceSettingsWindow)
|
|
serial_button_layout.addWidget(self.btnDeviceSettings, stretch=0)
|
|
serial_control_layout.addRow(serial_button_layout)
|
|
left_column.addWidget(serial_control_box)
|
|
|
|
###############################################################
|
|
# File control
|
|
###############################################################
|
|
|
|
self.fileWindow = QtWidgets.QWidget()
|
|
self.fileWindow.setWindowTitle("Files")
|
|
self.fileWindow.setWindowIcon(self.icon)
|
|
self.fileWindow.setMinimumWidth(200)
|
|
QtWidgets.QShortcut(QtCore.Qt.Key_Escape, self.fileWindow, self.fileWindow.hide)
|
|
file_window_layout = QtWidgets.QVBoxLayout()
|
|
self.fileWindow.setLayout(file_window_layout)
|
|
|
|
load_file_control_box = QtWidgets.QGroupBox("Import file")
|
|
load_file_control_box.setMaximumWidth(300)
|
|
load_file_control_layout = QtWidgets.QFormLayout(load_file_control_box)
|
|
|
|
btn_load_sweep = QtWidgets.QPushButton("Load as sweep")
|
|
btn_load_sweep.clicked.connect(self.loadSweepFile)
|
|
btn_load_reference = QtWidgets.QPushButton("Load reference")
|
|
btn_load_reference.clicked.connect(self.loadReferenceFile)
|
|
load_file_control_layout.addRow(btn_load_sweep)
|
|
load_file_control_layout.addRow(btn_load_reference)
|
|
|
|
file_window_layout.addWidget(load_file_control_box)
|
|
|
|
save_file_control_box = QtWidgets.QGroupBox("Export file")
|
|
save_file_control_box.setMaximumWidth(300)
|
|
save_file_control_layout = QtWidgets.QFormLayout(save_file_control_box)
|
|
|
|
btn_export_file = QtWidgets.QPushButton("Save 1-Port file (S1P)")
|
|
btn_export_file.clicked.connect(lambda: self.exportFile(1))
|
|
save_file_control_layout.addRow(btn_export_file)
|
|
|
|
btn_export_file = QtWidgets.QPushButton("Save 2-Port file (S2P)")
|
|
btn_export_file.clicked.connect(lambda: self.exportFile(4))
|
|
save_file_control_layout.addRow(btn_export_file)
|
|
|
|
file_window_layout.addWidget(save_file_control_box)
|
|
|
|
btn_open_file_window = QtWidgets.QPushButton("Files ...")
|
|
btn_open_file_window.clicked.connect(self.displayFileWindow)
|
|
|
|
###############################################################
|
|
# Calibration
|
|
###############################################################
|
|
|
|
btnOpenCalibrationWindow = QtWidgets.QPushButton("Calibration ...")
|
|
self.calibrationWindow = CalibrationWindow(self)
|
|
btnOpenCalibrationWindow.clicked.connect(self.displayCalibrationWindow)
|
|
|
|
###############################################################
|
|
# Display setup
|
|
###############################################################
|
|
|
|
btn_display_setup = QtWidgets.QPushButton("Display setup ...")
|
|
btn_display_setup.setMaximumWidth(250)
|
|
self.displaySetupWindow = DisplaySettingsWindow(self)
|
|
btn_display_setup.clicked.connect(self.displaySettingsWindow)
|
|
|
|
self.aboutWindow = AboutWindow(self)
|
|
|
|
btn_about = QtWidgets.QPushButton("About ...")
|
|
btn_about.setMaximumWidth(250)
|
|
|
|
btn_about.clicked.connect(self.displayAboutWindow)
|
|
|
|
button_grid = QtWidgets.QGridLayout()
|
|
button_grid.addWidget(btn_open_file_window, 0, 0)
|
|
button_grid.addWidget(btnOpenCalibrationWindow, 0, 1)
|
|
button_grid.addWidget(btn_display_setup, 1, 0)
|
|
button_grid.addWidget(btn_about, 1, 1)
|
|
left_column.addLayout(button_grid)
|
|
|
|
logger.debug("Finished building interface")
|
|
|
|
def rescanSerialPort(self):
|
|
self.serialPortInput.clear()
|
|
for port in get_interfaces():
|
|
self.serialPortInput.insertItem(1, port[1], port[0])
|
|
|
|
def exportFile(self, nr_params: int = 1):
|
|
if len(self.data) == 0:
|
|
QtWidgets.QMessageBox.warning(
|
|
self, "No data to save", "There is no data to save.")
|
|
return
|
|
if nr_params > 2 and len(self.data21) == 0:
|
|
QtWidgets.QMessageBox.warning(
|
|
self, "No S21 data to save", "There is no S21 data to save.")
|
|
return
|
|
|
|
filedialog = QtWidgets.QFileDialog(self)
|
|
if nr_params == 1:
|
|
filedialog.setDefaultSuffix("s1p")
|
|
filedialog.setNameFilter(
|
|
"Touchstone 1-Port Files (*.s1p);;All files (*.*)")
|
|
else:
|
|
filedialog.setDefaultSuffix("s2p")
|
|
filedialog.setNameFilter(
|
|
"Touchstone 2-Port Files (*.s2p);;All files (*.*)")
|
|
filedialog.setAcceptMode(QtWidgets.QFileDialog.AcceptSave)
|
|
selected = filedialog.exec()
|
|
if not selected:
|
|
return
|
|
filename = filedialog.selectedFiles()[0]
|
|
if filename == "":
|
|
logger.debug("No file name selected.")
|
|
return
|
|
|
|
ts = Touchstone(filename)
|
|
ts.sdata[0] = self.data
|
|
if nr_params > 1:
|
|
ts.sdata[1] = self.data
|
|
for dp in self.data:
|
|
ts.sdata[2].append(Datapoint(dp.freq, 0, 0))
|
|
ts.sdata[3].append(Datapoint(dp.freq, 0, 0))
|
|
try:
|
|
ts.save(nr_params)
|
|
except IOError as e:
|
|
logger.exception("Error during file export: %s", e)
|
|
return
|
|
|
|
def serialButtonClick(self):
|
|
if self.serial.is_open:
|
|
self.stopSerial()
|
|
else:
|
|
self.startSerial()
|
|
return
|
|
|
|
def startSerial(self):
|
|
if self.serialLock.acquire():
|
|
self.serialPort = self.serialPortInput.currentData()
|
|
if self.serialPort == "":
|
|
self.serialPort = self.serialPortInput.currentText()
|
|
logger.info("Opening serial port %s", self.serialPort)
|
|
try:
|
|
self.serial = serial.Serial(port=self.serialPort, baudrate=115200)
|
|
self.serial.timeout = 0.05
|
|
except serial.SerialException as exc:
|
|
logger.error("Tried to open %s and failed: %s", self.serialPort, exc)
|
|
self.serialLock.release()
|
|
return
|
|
self.btnSerialToggle.setText("Disconnect")
|
|
|
|
self.serialLock.release()
|
|
sleep(0.05)
|
|
|
|
self.vna = get_VNA(self, self.serial)
|
|
self.vna.validateInput = self.settings.value("SerialInputValidation", True, bool)
|
|
self.worker.setVNA(self.vna)
|
|
|
|
logger.info(self.vna.readFirmware())
|
|
|
|
frequencies = self.vna.readFrequencies()
|
|
if frequencies:
|
|
logger.info("Read starting frequency %s and end frequency %s",
|
|
frequencies[0], frequencies[100])
|
|
if int(frequencies[0]) == int(frequencies[100]) and (
|
|
self.sweepStartInput.text() == "" or
|
|
self.sweepEndInput.text() == ""):
|
|
self.sweepStartInput.setText(
|
|
format_frequency_sweep(int(frequencies[0])))
|
|
self.sweepEndInput.setText(
|
|
format_frequency_sweep(int(frequencies[100]) + 100000))
|
|
elif (self.sweepStartInput.text() == "" or
|
|
self.sweepEndInput.text() == ""):
|
|
self.sweepStartInput.setText(
|
|
format_frequency_sweep(int(frequencies[0])))
|
|
self.sweepEndInput.setText(
|
|
format_frequency_sweep(int(frequencies[100])))
|
|
self.sweepStartInput.textEdited.emit(
|
|
self.sweepStartInput.text())
|
|
self.sweepStartInput.textChanged.emit(
|
|
self.sweepStartInput.text())
|
|
else:
|
|
logger.warning("No frequencies read")
|
|
return
|
|
logger.debug("Starting initial sweep")
|
|
self.sweep()
|
|
return
|
|
|
|
def stopSerial(self):
|
|
if self.serialLock.acquire():
|
|
logger.info("Closing connection to NanoVNA")
|
|
self.serial.close()
|
|
self.serialLock.release()
|
|
self.btnSerialToggle.setText("Connect to NanoVNA")
|
|
|
|
def toggleSweepSettings(self, disabled):
|
|
self.sweepStartInput.setDisabled(disabled)
|
|
self.sweepEndInput.setDisabled(disabled)
|
|
self.sweepSpanInput.setDisabled(disabled)
|
|
self.sweepCenterInput.setDisabled(disabled)
|
|
self.sweepCountInput.setDisabled(disabled)
|
|
|
|
def sweep(self):
|
|
# Run the serial port update
|
|
if not self.serial.is_open:
|
|
return
|
|
self.worker.stopped = False
|
|
|
|
self.sweepProgressBar.setValue(0)
|
|
self.btnSweep.setDisabled(True)
|
|
self.btnStopSweep.setDisabled(False)
|
|
self.toggleSweepSettings(True)
|
|
for m in self.markers:
|
|
m.resetLabels()
|
|
self.s11_min_rl_label.setText("")
|
|
self.s11_min_swr_label.setText("")
|
|
self.s21_min_gain_label.setText("")
|
|
self.s21_max_gain_label.setText("")
|
|
self.tdr_result_label.setText("")
|
|
|
|
if self.sweepCountInput.text().isdigit():
|
|
self.settings.setValue("Segments", self.sweepCountInput.text())
|
|
|
|
logger.debug("Starting worker thread")
|
|
self.threadpool.start(self.worker)
|
|
|
|
def stopSweep(self):
|
|
self.worker.stopped = True
|
|
|
|
def saveData(self, data, data12, source=None):
|
|
if self.dataLock.acquire(blocking=True):
|
|
self.data = data
|
|
if self.s21att > 0:
|
|
corData12 = corrAttData(data12, self.s21att)
|
|
self.data21 = corData12
|
|
else:
|
|
self.data21 = data12
|
|
else:
|
|
logger.error("Failed acquiring data lock while saving.")
|
|
self.dataLock.release()
|
|
if source is not None:
|
|
self.sweepSource = source
|
|
else:
|
|
self.sweepSource = (
|
|
f"{self.sweepTitle}"
|
|
f" {strftime('%Y-%m-%d %H:%M:%S', localtime())}"
|
|
).lstrip()
|
|
|
|
def markerUpdated(self, marker: Marker):
|
|
if self.dataLock.acquire(blocking=True):
|
|
marker.findLocation(self.data)
|
|
for m in self.markers:
|
|
m.resetLabels()
|
|
m.updateLabels(self.data, self.data21)
|
|
|
|
for c in self.subscribing_charts:
|
|
c.update()
|
|
self.dataLock.release()
|
|
|
|
def dataUpdated(self):
|
|
if self.dataLock.acquire(blocking=True):
|
|
for m in self.markers:
|
|
m.resetLabels()
|
|
m.updateLabels(self.data, self.data21)
|
|
|
|
for c in self.s11charts:
|
|
c.setData(self.data)
|
|
|
|
for c in self.s21charts:
|
|
c.setData(self.data21)
|
|
|
|
for c in self.combinedCharts:
|
|
c.setCombinedData(self.data, self.data21)
|
|
|
|
self.sweepProgressBar.setValue(self.worker.percentage)
|
|
self.tdr_window.updateTDR()
|
|
|
|
# Find the minimum S11 VSWR:
|
|
min_vswr = 100
|
|
min_vswr_freq = -1
|
|
for d in self.data:
|
|
vswr = d.vswr
|
|
if min_vswr > vswr > 0:
|
|
min_vswr = vswr
|
|
min_vswr_freq = d.freq
|
|
|
|
if min_vswr_freq > -1:
|
|
self.s11_min_swr_label.setText(
|
|
f"{round(min_vswr, 3)} @ {format_frequency(min_vswr_freq)}")
|
|
if min_vswr > 1:
|
|
self.s11_min_rl_label.setText(
|
|
f"{round(20*math.log10((min_vswr-1)/(min_vswr+1)), 3)} dB")
|
|
else:
|
|
# Infinite return loss?
|
|
self.s11_min_rl_label.setText("\N{INFINITY} dB")
|
|
else:
|
|
self.s11_min_swr_label.setText("")
|
|
self.s11_min_rl_label.setText("")
|
|
min_gain = 100
|
|
min_gain_freq = -1
|
|
max_gain = -100
|
|
max_gain_freq = -1
|
|
for d in self.data21:
|
|
gain = d.gain
|
|
if gain > max_gain:
|
|
max_gain = gain
|
|
max_gain_freq = d.freq
|
|
if gain < min_gain:
|
|
min_gain = gain
|
|
min_gain_freq = d.freq
|
|
|
|
if max_gain_freq > -1:
|
|
self.s21_min_gain_label.setText(
|
|
f"{round(min_gain, 3)} dB @ {format_frequency(min_gain_freq)}")
|
|
self.s21_max_gain_label.setText(
|
|
f"{round(max_gain, 3)} dB @ {format_frequency(max_gain_freq)}")
|
|
else:
|
|
self.s21_min_gain_label.setText("")
|
|
self.s21_max_gain_label.setText("")
|
|
|
|
else:
|
|
logger.error("Failed acquiring data lock while updating.")
|
|
self.updateTitle()
|
|
self.dataLock.release()
|
|
self.dataAvailable.emit()
|
|
|
|
def sweepFinished(self):
|
|
self.sweepProgressBar.setValue(100)
|
|
self.btnSweep.setDisabled(False)
|
|
self.btnStopSweep.setDisabled(True)
|
|
self.toggleSweepSettings(False)
|
|
|
|
def updateCenterSpan(self):
|
|
fstart = parse_frequency(self.sweepStartInput.text())
|
|
fstop = parse_frequency(self.sweepEndInput.text())
|
|
fspan = fstop - fstart
|
|
fcenter = int(round((fstart+fstop)/2))
|
|
if fspan < 0 or fstart < 0 or fstop < 0:
|
|
return
|
|
self.sweepSpanInput.setText(format_frequency_sweep(fspan))
|
|
self.sweepCenterInput.setText(format_frequency_sweep(fcenter))
|
|
|
|
def updateStartEnd(self):
|
|
fcenter = parse_frequency(self.sweepCenterInput.text())
|
|
fspan = parse_frequency(self.sweepSpanInput.text())
|
|
if fspan < 0 or fcenter < 0:
|
|
return
|
|
fstart = int(round(fcenter - fspan/2))
|
|
fstop = int(round(fcenter + fspan/2))
|
|
if fstart < 0 or fstop < 0:
|
|
return
|
|
self.sweepStartInput.setText(format_frequency_sweep(fstart))
|
|
self.sweepEndInput.setText(format_frequency_sweep(fstop))
|
|
|
|
def updateStepSize(self):
|
|
fspan = parse_frequency(self.sweepSpanInput.text())
|
|
if fspan < 0:
|
|
return
|
|
if self.sweepCountInput.text().isdigit():
|
|
segments = int(self.sweepCountInput.text())
|
|
if segments > 0:
|
|
fstep = fspan / (segments * self.vna.datapoints - 1)
|
|
self.sweepStepLabel.setText(
|
|
f"{format_frequency_short(fstep)}/step")
|
|
|
|
def setReference(self, s11data=None, s21data=None, source=None):
|
|
if not s11data:
|
|
s11data = self.data
|
|
if not s21data:
|
|
s21data = self.data21
|
|
self.referenceS11data = s11data
|
|
for c in self.s11charts:
|
|
c.setReference(s11data)
|
|
|
|
self.referenceS21data = s21data
|
|
for c in self.s21charts:
|
|
c.setReference(s21data)
|
|
|
|
for c in self.combinedCharts:
|
|
c.setCombinedReference(s11data, s21data)
|
|
|
|
self.btnResetReference.setDisabled(False)
|
|
|
|
if source is not None:
|
|
# Save the reference source info
|
|
self.referenceSource = source
|
|
else:
|
|
self.referenceSource = self.sweepSource
|
|
self.updateTitle()
|
|
|
|
def updateTitle(self):
|
|
title = self.baseTitle
|
|
insert = ""
|
|
if self.sweepSource != "":
|
|
insert += f"Sweep: {self.sweepSource} @ {len(self.data)} points"
|
|
if self.referenceSource != "":
|
|
if insert != "":
|
|
insert += ", "
|
|
insert += f"Reference: {self.referenceSource} @ {len(self.referenceS11data)} points"
|
|
if insert != "":
|
|
title = title + " (" + insert + ")"
|
|
self.setWindowTitle(title)
|
|
|
|
def toggleMarkerFrame(self):
|
|
if self.marker_frame.isHidden():
|
|
self.marker_frame.setHidden(False)
|
|
self.settings.setValue("MarkersVisible", True)
|
|
self.showMarkerButton.setText("Hide data")
|
|
else:
|
|
self.marker_frame.setHidden(True)
|
|
self.settings.setValue("MarkersVisible", False)
|
|
self.showMarkerButton.setText("Show data")
|
|
|
|
def resetReference(self):
|
|
self.referenceS11data = []
|
|
self.referenceS21data = []
|
|
self.referenceSource = ""
|
|
self.updateTitle()
|
|
for c in self.subscribing_charts:
|
|
c.resetReference()
|
|
self.btnResetReference.setDisabled(True)
|
|
|
|
def loadReferenceFile(self):
|
|
filename, _ = QtWidgets.QFileDialog.getOpenFileName(
|
|
filter="Touchstone Files (*.s1p *.s2p);;All files (*.*)")
|
|
if filename != "":
|
|
self.resetReference()
|
|
t = Touchstone(filename)
|
|
t.load()
|
|
self.setReference(t.s11data, t.s21data, filename)
|
|
|
|
def loadSweepFile(self):
|
|
filename, _ = QtWidgets.QFileDialog.getOpenFileName(
|
|
filter="Touchstone Files (*.s1p *.s2p);;All files (*.*)")
|
|
if filename != "":
|
|
self.data = []
|
|
self.data21 = []
|
|
t = Touchstone(filename)
|
|
t.load()
|
|
self.saveData(t.s11data, t.s21data, filename)
|
|
self.dataUpdated()
|
|
|
|
def sizeHint(self) -> QtCore.QSize:
|
|
return QtCore.QSize(1100, 950)
|
|
|
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def displaySettingsWindow(self):
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self.displaySetupWindow.show()
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QtWidgets.QApplication.setActiveWindow(self.displaySetupWindow)
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def displaySweepSettingsWindow(self):
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self.sweepSettingsWindow.show()
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QtWidgets.QApplication.setActiveWindow(self.sweepSettingsWindow)
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def displayDeviceSettingsWindow(self):
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self.deviceSettingsWindow.show()
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QtWidgets.QApplication.setActiveWindow(self.deviceSettingsWindow)
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def displayCalibrationWindow(self):
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self.calibrationWindow.show()
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QtWidgets.QApplication.setActiveWindow(self.calibrationWindow)
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def displayFileWindow(self):
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self.fileWindow.show()
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QtWidgets.QApplication.setActiveWindow(self.fileWindow)
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def displayTDRWindow(self):
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self.tdr_window.show()
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QtWidgets.QApplication.setActiveWindow(self.tdr_window)
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def displayAnalysisWindow(self):
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self.analysis_window.show()
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QtWidgets.QApplication.setActiveWindow(self.analysis_window)
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def displayAboutWindow(self):
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self.aboutWindow.show()
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QtWidgets.QApplication.setActiveWindow(self.aboutWindow)
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def showError(self, text):
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QtWidgets.QMessageBox.warning(self, "Error", text)
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def showFatalSweepError(self):
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self.showError(self.worker.error_message)
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self.stopSerial()
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|
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def showSweepError(self):
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self.showError(self.worker.error_message)
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self.serial.flushInput() # Remove any left-over data
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self.sweepFinished()
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def popoutChart(self, chart: Chart):
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logger.debug("Requested popout for chart: %s", chart.name)
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new_chart = self.copyChart(chart)
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new_chart.isPopout = True
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new_chart.show()
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new_chart.setWindowTitle(new_chart.name)
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|
|
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def copyChart(self, chart: Chart):
|
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new_chart = chart.copy()
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self.subscribing_charts.append(new_chart)
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if chart in self.s11charts:
|
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self.s11charts.append(new_chart)
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if chart in self.s21charts:
|
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self.s21charts.append(new_chart)
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if chart in self.combinedCharts:
|
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self.combinedCharts.append(new_chart)
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new_chart.popoutRequested.connect(self.popoutChart)
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return new_chart
|
|
|
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def closeEvent(self, a0: QtGui.QCloseEvent) -> None:
|
|
self.worker.stopped = True
|
|
self.settings.setValue("MarkerCount", Marker.count())
|
|
for marker in self.markers:
|
|
marker.update_settings()
|
|
|
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self.settings.setValue("WindowHeight", self.height())
|
|
self.settings.setValue("WindowWidth", self.width())
|
|
self.settings.sync()
|
|
self.bands.saveSettings()
|
|
self.threadpool.waitForDone(2500)
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|
a0.accept()
|
|
sys.exit()
|
|
|
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def changeFont(self, font: QtGui.QFont) -> None:
|
|
qf_new = QtGui.QFontMetricsF(font)
|
|
normal_font = QtGui.QFont(font)
|
|
normal_font.setPointSize(8)
|
|
qf_normal = QtGui.QFontMetricsF(normal_font)
|
|
# Characters we would normally display
|
|
standard_string = "0.123456789 0.123456789 MHz \N{OHM SIGN}"
|
|
new_width = qf_new.boundingRect(standard_string).width()
|
|
old_width = qf_normal.boundingRect(standard_string).width()
|
|
self.scaleFactor = new_width / old_width
|
|
logger.debug("New font width: %f, normal font: %f, factor: %f",
|
|
new_width, old_width, self.scaleFactor)
|
|
# TODO: Update all the fixed widths to account for the scaling
|
|
for m in self.markers:
|
|
m.getGroupBox().setFont(font)
|
|
m.setScale(self.scaleFactor)
|
|
|
|
def setSweepTitle(self, title):
|
|
self.sweepTitle = title
|
|
for c in self.subscribing_charts:
|
|
c.setSweepTitle(title)
|