kopia lustrzana https://github.com/NanoVNA-Saver/nanovna-saver
673 wiersze
25 KiB
Python
673 wiersze
25 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) 2020,2021 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 sys
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import threading
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from collections import OrderedDict
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from time import strftime, localtime
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from PyQt5 import QtWidgets, QtCore, QtGui
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from NanoVNASaver import Defaults
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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, FilesWindow
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)
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from .Controls import MarkerControl, SweepControl, SerialControl
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from .Formatting import format_frequency, format_vswr, format_gain
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from .Hardware.Hardware import Interface
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from .Hardware.VNA import VNA
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from .RFTools import corr_att_data
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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, MagnitudeZShuntChart, MagnitudeZSeriesChart,
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QualityFactorChart, VSWRChart, PermeabilityChart, PolarChart,
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RealImaginaryChart, RealImaginaryShuntChart, RealImaginarySeriesChart,
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SmithChart, SParameterChart, TDRChart,
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)
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from .Calibration import Calibration
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from .Marker import Marker, DeltaMarker
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from .SweepWorker import SweepWorker
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from .Settings import BandsModel, Sweep
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from .Touchstone import Touchstone
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from .About import VERSION
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logger = logging.getLogger(__name__)
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class NanoVNASaver(QtWidgets.QWidget):
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version = VERSION
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dataAvailable = QtCore.pyqtSignal()
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scaleFactor = 1
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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(
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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 = Defaults.AppSettings(QtCore.QSettings.IniFormat,
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QtCore.QSettings.UserScope,
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"NanoVNASaver", "NanoVNASaver")
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logger.info("Settings from: %s", self.settings.fileName())
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Defaults.cfg = Defaults.restore(self.settings)
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self.threadpool = QtCore.QThreadPool()
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self.sweep = Sweep()
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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.markers = []
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self.marker_ref = False
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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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self.sweep_control = SweepControl(self)
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self.marker_control = MarkerControl(self)
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self.serial_control = SerialControl(self)
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self.bands = BandsModel()
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self.interface = Interface("serial", "None")
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try:
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self.vna = VNA(self.interface)
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except IOError as exc:
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self.showError(f"{exc}\n\nPlease try reconnect")
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self.dataLock = threading.Lock()
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self.data = Touchstone()
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self.ref_data = Touchstone()
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self.sweepSource = ""
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self.referenceSource = ""
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self.calibration = Calibration()
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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.QBoxLayout(QtWidgets.QBoxLayout.LeftToRight)
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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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self.resize(Defaults.cfg.gui.window_width,
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Defaults.cfg.gui.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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self.charts = {
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"s11": OrderedDict((
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("capacitance", CapacitanceChart("S11 Serial C")),
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("group_delay", GroupDelayChart("S11 Group Delay")),
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("inductance", InductanceChart("S11 Serial L")),
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("log_mag", LogMagChart("S11 Return Loss")),
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("magnitude", MagnitudeChart("|S11|")),
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("magnitude_z", MagnitudeZChart("S11 |Z|")),
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("permeability", PermeabilityChart(
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"S11 R/\N{GREEK SMALL LETTER OMEGA} &"
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" X/\N{GREEK SMALL LETTER OMEGA}")),
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("phase", PhaseChart("S11 Phase")),
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("q_factor", QualityFactorChart("S11 Quality Factor")),
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("real_imag", RealImaginaryChart("S11 R+jX")),
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("smith", SmithChart("S11 Smith Chart")),
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("s_parameter", SParameterChart("S11 Real/Imaginary")),
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("vswr", VSWRChart("S11 VSWR")),
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)),
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"s21": OrderedDict((
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("group_delay", GroupDelayChart("S21 Group Delay",
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reflective=False)),
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("log_mag", LogMagChart("S21 Gain")),
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("magnitude", MagnitudeChart("|S21|")),
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("magnitude_z_shunt", MagnitudeZShuntChart("S21 |Z| shunt")),
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("magnitude_z_series", MagnitudeZSeriesChart("S21 |Z| series")),
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("real_imag_shunt", RealImaginaryShuntChart("S21 R+jX shunt")),
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("real_imag_series", RealImaginarySeriesChart("S21 R+jX series")),
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("phase", PhaseChart("S21 Phase")),
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("polar", PolarChart("S21 Polar Plot")),
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("s_parameter", SParameterChart("S21 Real/Imaginary")),
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)),
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"combined": OrderedDict((
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("log_mag", CombinedLogMagChart("S11 & S21 LogMag")),
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)),
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}
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self.tdr_chart = TDRChart("TDR")
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self.tdr_mainwindow_chart = TDRChart("TDR")
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# List of all the S11 charts, for selecting
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self.s11charts = list(self.charts["s11"].values())
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# List of all the S21 charts, for selecting
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self.s21charts = list(self.charts["s21"].values())
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# List of all charts that use both S11 and S21
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self.combinedCharts = list(self.charts["combined"].values())
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# List of all charts that can be selected for display
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self.selectable_charts = (
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self.s11charts + self.s21charts +
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self.combinedCharts + [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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QtWidgets.QShortcut(QtGui.QKeySequence("Ctrl+Q"), self, self.close)
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###############################################################
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# Create main layout
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###############################################################
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left_column = QtWidgets.QVBoxLayout()
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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(Defaults.cfg.gui.markers_hidden)
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chart_widget = QtWidgets.QWidget()
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chart_widget.setLayout(right_column)
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self.splitter = QtWidgets.QSplitter()
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self.splitter.addWidget(self.marker_frame)
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self.splitter.addWidget(chart_widget)
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self.splitter.restoreState(Defaults.cfg.gui.splitter_sizes)
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layout.addLayout(left_column)
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layout.addWidget(self.splitter, 2)
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###############################################################
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# Windows
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###############################################################
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self.windows = {
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"about": AboutWindow(self),
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# "analysis": AnalysisWindow(self),
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"calibration": CalibrationWindow(self),
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"device_settings": DeviceSettingsWindow(self),
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"file": FilesWindow(self),
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"sweep_settings": SweepSettingsWindow(self),
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"setup": DisplaySettingsWindow(self),
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"tdr": TDRWindow(self),
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}
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###############################################################
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# Sweep control
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###############################################################
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left_column.addWidget(self.sweep_control)
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# ###############################################################
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# Marker control
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###############################################################
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left_column.addWidget(self.marker_control)
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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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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.get_data_layout())
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scroll2 = QtWidgets.QScrollArea()
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# scroll2.setVerticalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOn)
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scroll2.setWidgetResizable(True)
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scroll2.setVisible(True)
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widget2 = QtWidgets.QWidget()
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widget2.setLayout(self.marker_data_layout)
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scroll2.setWidget(widget2)
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self.marker_column.addWidget(scroll2)
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# init delta marker (but assume only one marker exists)
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self.delta_marker = DeltaMarker("Delta Marker 2 - Marker 1")
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self.delta_marker_layout = self.delta_marker.get_data_layout()
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self.delta_marker_layout.hide()
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self.marker_column.addWidget(self.delta_marker_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_layout.setVerticalSpacing(0)
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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_layout.setVerticalSpacing(0)
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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.windows["analysis"] = AnalysisWindow(self)
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btn_show_analysis = QtWidgets.QPushButton("Analysis ...")
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btn_show_analysis.setMinimumHeight(20)
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btn_show_analysis.clicked.connect(
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lambda: self.display_window("analysis"))
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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_chart.tdrWindow = self.windows["tdr"]
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self.tdr_mainwindow_chart.tdrWindow = self.windows["tdr"]
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self.windows["tdr"].updated.connect(self.tdr_chart.update)
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self.windows["tdr"].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(240)
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self.tdr_result_label = QtWidgets.QLabel()
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self.tdr_result_label.setMinimumHeight(20)
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tdr_control_layout.addRow(
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"Estimated cable length:", self.tdr_result_label)
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self.tdr_button = QtWidgets.QPushButton(
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"Time Domain Reflectometry ...")
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self.tdr_button.setMinimumHeight(20)
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self.tdr_button.clicked.connect(lambda: self.display_window("tdr"))
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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(240)
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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.setMinimumHeight(20)
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btn_set_reference.clicked.connect(self.setReference)
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self.btnResetReference = QtWidgets.QPushButton("Reset reference")
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self.btnResetReference.setMinimumHeight(20)
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self.btnResetReference.clicked.connect(self.resetReference)
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self.btnResetReference.setDisabled(True)
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reference_control_layout.addRow(btn_set_reference)
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reference_control_layout.addRow(self.btnResetReference)
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left_column.addWidget(reference_control_box)
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###############################################################
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# Serial control
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###############################################################
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left_column.addWidget(self.serial_control)
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###############################################################
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# Calibration
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###############################################################
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btnOpenCalibrationWindow = QtWidgets.QPushButton("Calibration ...")
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btnOpenCalibrationWindow.setMinimumHeight(20)
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self.calibrationWindow = CalibrationWindow(self)
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btnOpenCalibrationWindow.clicked.connect(
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lambda: self.display_window("calibration"))
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###############################################################
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# Display setup
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###############################################################
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btn_display_setup = QtWidgets.QPushButton("Display setup ...")
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btn_display_setup.setMinimumHeight(20)
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btn_display_setup.setMaximumWidth(240)
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btn_display_setup.clicked.connect(
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lambda: self.display_window("setup"))
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btn_about = QtWidgets.QPushButton("About ...")
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btn_about.setMinimumHeight(20)
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btn_about.setMaximumWidth(240)
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btn_about.clicked.connect(
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lambda: self.display_window("about"))
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btn_open_file_window = QtWidgets.QPushButton("Files")
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btn_open_file_window.setMinimumHeight(20)
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btn_open_file_window.setMaximumWidth(240)
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btn_open_file_window.clicked.connect(
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lambda: self.display_window("file"))
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button_grid = QtWidgets.QGridLayout()
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button_grid.addWidget(btn_open_file_window, 0, 0)
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button_grid.addWidget(btnOpenCalibrationWindow, 0, 1)
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button_grid.addWidget(btn_display_setup, 1, 0)
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button_grid.addWidget(btn_about, 1, 1)
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left_column.addLayout(button_grid)
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logger.debug("Finished building interface")
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def sweep_start(self):
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# Run the device data update
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if not self.vna.connected():
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return
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self.worker.stopped = False
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self.sweep_control.progress_bar.setValue(0)
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self.sweep_control.btn_start.setDisabled(True)
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self.sweep_control.btn_stop.setDisabled(False)
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self.sweep_control.toggle_settings(True)
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for m in self.markers:
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m.resetLabels()
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self.s11_min_rl_label.setText("")
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self.s11_min_swr_label.setText("")
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self.s21_min_gain_label.setText("")
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self.s21_max_gain_label.setText("")
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self.tdr_result_label.setText("")
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self.settings.setValue("Segments", self.sweep_control.get_segments())
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logger.debug("Starting worker thread")
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self.threadpool.start(self.worker)
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def sweep_stop(self):
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self.worker.stopped = True
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def saveData(self, data, data21, source=None):
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with self.dataLock:
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self.data.s11 = data
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self.data.s21 = data21
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if self.s21att > 0:
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self.data.s21 = corr_att_data(self.data.s21, self.s21att)
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if source is not None:
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self.sweepSource = source
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else:
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self.sweepSource = (
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f"{self.sweep.properties.name}"
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f" {strftime('%Y-%m-%d %H:%M:%S', localtime())}"
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).lstrip()
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def markerUpdated(self, marker: Marker):
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with self.dataLock:
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marker.findLocation(self.data.s11)
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marker.resetLabels()
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marker.updateLabels(self.data.s11, self.data.s21)
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for c in self.subscribing_charts:
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c.update()
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if not self.delta_marker_layout.isHidden():
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m1 = self.markers[0]
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m2 = None
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if self.marker_ref:
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if self.ref_data:
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m2 = Marker("Reference")
|
|
m2.location = self.markers[0].location
|
|
m2.resetLabels()
|
|
m2.updateLabels(self.ref_data.s11,
|
|
self.ref_data.s21)
|
|
else:
|
|
logger.warning("No reference data for marker")
|
|
|
|
elif Marker.count() >= 2:
|
|
m2 = self.markers[1]
|
|
|
|
if m2 is None:
|
|
logger.error("No data for delta, missing marker or reference")
|
|
else:
|
|
self.delta_marker.set_markers(m1, m2)
|
|
self.delta_marker.resetLabels()
|
|
try:
|
|
self.delta_marker.updateLabels()
|
|
except IndexError:
|
|
pass
|
|
|
|
def dataUpdated(self):
|
|
with self.dataLock:
|
|
s11 = self.data.s11[:]
|
|
s21 = self.data.s21[:]
|
|
|
|
for m in self.markers:
|
|
m.resetLabels()
|
|
m.updateLabels(s11, s21)
|
|
|
|
for c in self.s11charts:
|
|
c.setData(s11)
|
|
|
|
for c in self.s21charts:
|
|
c.setData(s21)
|
|
|
|
for c in self.combinedCharts:
|
|
c.setCombinedData(s11, s21)
|
|
|
|
self.sweep_control.progress_bar.setValue(int(self.worker.percentage))
|
|
self.windows["tdr"].updateTDR()
|
|
|
|
if s11:
|
|
min_vswr = min(s11, key=lambda data: data.vswr)
|
|
self.s11_min_swr_label.setText(
|
|
f"{format_vswr(min_vswr.vswr)} @ {format_frequency(min_vswr.freq)}")
|
|
self.s11_min_rl_label.setText(format_gain(min_vswr.gain))
|
|
else:
|
|
self.s11_min_swr_label.setText("")
|
|
self.s11_min_rl_label.setText("")
|
|
|
|
if s21:
|
|
min_gain = min(s21, key=lambda data: data.gain)
|
|
max_gain = max(s21, key=lambda data: data.gain)
|
|
self.s21_min_gain_label.setText(
|
|
f"{format_gain(min_gain.gain)}"
|
|
f" @ {format_frequency(min_gain.freq)}")
|
|
self.s21_max_gain_label.setText(
|
|
f"{format_gain(max_gain.gain)}"
|
|
f" @ {format_frequency(max_gain.freq)}")
|
|
else:
|
|
self.s21_min_gain_label.setText("")
|
|
self.s21_max_gain_label.setText("")
|
|
|
|
self.updateTitle()
|
|
self.dataAvailable.emit()
|
|
|
|
def sweepFinished(self):
|
|
self.sweep_control.progress_bar.setValue(100)
|
|
self.sweep_control.btn_start.setDisabled(False)
|
|
self.sweep_control.btn_stop.setDisabled(True)
|
|
self.sweep_control.toggle_settings(False)
|
|
|
|
for marker in self.markers:
|
|
marker.frequencyInput.textEdited.emit(
|
|
marker.frequencyInput.text())
|
|
|
|
def setReference(self, s11=None, s21=None, source=None):
|
|
if not s11:
|
|
with self.dataLock:
|
|
s11 = self.data.s11[:]
|
|
s21 = self.data.s21[:]
|
|
|
|
self.ref_data.s11 = s11
|
|
for c in self.s11charts:
|
|
c.setReference(s11)
|
|
|
|
self.ref_data.s21 = s21
|
|
for c in self.s21charts:
|
|
c.setReference(s21)
|
|
|
|
for c in self.combinedCharts:
|
|
c.setCombinedReference(s11, s21)
|
|
|
|
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):
|
|
insert = "("
|
|
if self.sweepSource != "":
|
|
insert += (
|
|
f"Sweep: {self.sweepSource} @ {len(self.data.s11)} points"
|
|
f"{', ' if self.referenceSource else ''}")
|
|
if self.referenceSource != "":
|
|
insert += (
|
|
f"Reference: {self.referenceSource} @"
|
|
f" {len(self.ref_data.s11)} points")
|
|
insert += ")"
|
|
title = f"{self.baseTitle} {insert if insert else ''}"
|
|
self.setWindowTitle(title)
|
|
|
|
def resetReference(self):
|
|
self.ref_data = Touchstone()
|
|
self.referenceSource = ""
|
|
self.updateTitle()
|
|
for c in self.subscribing_charts:
|
|
c.resetReference()
|
|
self.btnResetReference.setDisabled(True)
|
|
|
|
def sizeHint(self) -> QtCore.QSize:
|
|
return QtCore.QSize(1100, 950)
|
|
|
|
def display_window(self, name):
|
|
self.windows[name].show()
|
|
QtWidgets.QApplication.setActiveWindow(self.windows[name])
|
|
|
|
def showError(self, text):
|
|
QtWidgets.QMessageBox.warning(self, "Error", text)
|
|
|
|
def showSweepError(self):
|
|
self.showError(self.worker.error_message)
|
|
try:
|
|
self.vna.flushSerialBuffers() # Remove any left-over data
|
|
self.vna.reconnect() # try reconnection
|
|
except IOError:
|
|
pass
|
|
self.sweepFinished()
|
|
|
|
def popoutChart(self, chart: Chart):
|
|
logger.debug("Requested popout for chart: %s", chart.name)
|
|
new_chart = self.copyChart(chart)
|
|
new_chart.isPopout = True
|
|
new_chart.show()
|
|
new_chart.setWindowTitle(new_chart.name)
|
|
|
|
def copyChart(self, chart: Chart):
|
|
new_chart = chart.copy()
|
|
self.subscribing_charts.append(new_chart)
|
|
if chart in self.s11charts:
|
|
self.s11charts.append(new_chart)
|
|
if chart in self.s21charts:
|
|
self.s21charts.append(new_chart)
|
|
if chart in self.combinedCharts:
|
|
self.combinedCharts.append(new_chart)
|
|
new_chart.popoutRequested.connect(self.popoutChart)
|
|
return new_chart
|
|
|
|
def closeEvent(self, a0: QtGui.QCloseEvent) -> None:
|
|
self.worker.stopped = True
|
|
for marker in self.markers:
|
|
marker.update_settings()
|
|
self.settings.sync()
|
|
self.bands.saveSettings()
|
|
self.threadpool.waitForDone(2500)
|
|
|
|
Defaults.cfg.chart.marker_count = Marker.count()
|
|
Defaults.cfg.gui.window_width = self.width()
|
|
Defaults.cfg.gui.window_height = self.height()
|
|
Defaults.cfg.gui.splitter_sizes = bytearray(self.splitter.saveState())
|
|
Defaults.store(self.settings, Defaults.cfg)
|
|
|
|
a0.accept()
|
|
sys.exit()
|
|
|
|
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.horizontalAdvance(standard_string)
|
|
old_width = qf_normal.horizontalAdvance(standard_string)
|
|
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.get_data_layout().setFont(font)
|
|
m.setScale(self.scaleFactor)
|
|
|
|
def update_sweep_title(self):
|
|
for c in self.subscribing_charts:
|
|
c.setSweepTitle(self.sweep.properties.name)
|