kopia lustrzana https://github.com/NanoVNA-Saver/nanovna-saver
288 wiersze
11 KiB
Python
288 wiersze
11 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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from functools import partial
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from PyQt5 import QtWidgets, QtCore
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from NanoVNASaver.Formatting import (
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format_frequency_short, format_frequency_sweep,
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)
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from NanoVNASaver.Settings.Sweep import SweepMode
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logger = logging.getLogger(__name__)
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class SweepSettingsWindow(QtWidgets.QWidget):
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def __init__(self, app: QtWidgets.QWidget):
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super().__init__()
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self.app = app
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self.padding = 0
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self.setWindowTitle("Sweep settings")
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self.setWindowIcon(self.app.icon)
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QtWidgets.QShortcut(QtCore.Qt.Key_Escape, self, self.hide)
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layout = QtWidgets.QVBoxLayout()
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self.setLayout(layout)
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layout.addWidget(self.title_box())
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layout.addWidget(self.settings_box())
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# We can only populate this box after the VNA has been connected.
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self._power_box = QtWidgets.QGroupBox("Power")
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self._power_layout = QtWidgets.QFormLayout(self._power_box)
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layout.addWidget(self._power_box)
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layout.addWidget(self.sweep_box())
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self.update_band()
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def title_box(self):
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box = QtWidgets.QGroupBox("Sweep name")
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layout = QtWidgets.QFormLayout(box)
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input_title = QtWidgets.QLineEdit(self.app.sweep.properties.name)
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input_title.setMinimumHeight(20)
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input_title.editingFinished.connect(
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lambda: self.update_title(input_title.text()))
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layout.addRow(input_title)
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return box
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def settings_box(self) -> 'QtWidgets.QWidget':
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box = QtWidgets.QGroupBox("Settings")
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layout = QtWidgets.QFormLayout(box)
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# Sweep Mode
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sweep_btn_layout = QtWidgets.QHBoxLayout()
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radio_button = QtWidgets.QRadioButton("Single sweep")
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radio_button.setMinimumHeight(20)
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radio_button.setChecked(
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self.app.sweep.properties.mode == SweepMode.SINGLE)
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radio_button.clicked.connect(
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lambda: self.update_mode(SweepMode.SINGLE))
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sweep_btn_layout.addWidget(radio_button)
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radio_button = QtWidgets.QRadioButton("Continuous sweep")
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radio_button.setMinimumHeight(20)
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radio_button.setChecked(
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self.app.sweep.properties.mode == SweepMode.CONTINUOUS)
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radio_button.clicked.connect(
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lambda: self.update_mode(SweepMode.CONTINUOUS))
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sweep_btn_layout.addWidget(radio_button)
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radio_button = QtWidgets.QRadioButton("Averaged sweep")
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radio_button.setMinimumHeight(20)
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radio_button.setChecked(
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self.app.sweep.properties.mode == SweepMode.AVERAGE)
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radio_button.clicked.connect(
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lambda: self.update_mode(SweepMode.AVERAGE))
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sweep_btn_layout.addWidget(radio_button)
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radio_button = QtWidgets.QRadioButton("Continuous sweep infile")
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radio_button.setMinimumHeight(20)
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radio_button.setChecked(
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self.app.sweep.properties.mode == SweepMode.CONTINUOUS_FILE)
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radio_button.clicked.connect(
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lambda: self.update_mode(SweepMode.CONTINUOUS_FILE))
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sweep_btn_layout.addWidget(radio_button)
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layout.addRow(sweep_btn_layout)
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# Log sweep
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label = QtWidgets.QLabel(
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"Logarithmic sweeping changes the step width in each segment"
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" in logarithmical manner. Useful in conjunction with small"
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" amount of datapoints and many segments. Step display in"
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" SweepControl cannot reflect this currently.")
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label.setWordWrap(True)
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label.setMinimumSize(600, 70)
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layout.addRow(label)
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checkbox = QtWidgets.QCheckBox("Logarithmic sweep")
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checkbox.setMinimumHeight(20)
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checkbox.setCheckState(self.app.sweep.properties.logarithmic)
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checkbox.toggled.connect(
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lambda: self.update_logarithmic(checkbox.isChecked()))
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layout.addRow(checkbox)
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# Averaging
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label = QtWidgets.QLabel(
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"Averaging allows discarding outlying samples to get better"
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" averages. Common values are 3/0, 5/2, 9/4 and 25/6.")
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label.setWordWrap(True)
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label.setMinimumHeight(50)
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layout.addRow(label)
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averages = QtWidgets.QLineEdit(
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str(self.app.sweep.properties.averages[0]))
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averages.setMinimumHeight(20)
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truncates = QtWidgets.QLineEdit(
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str(self.app.sweep.properties.averages[1]))
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truncates.setMinimumHeight(20)
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averages.editingFinished.connect(
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lambda: self.update_averaging(averages, truncates))
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truncates.editingFinished.connect(
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lambda: self.update_averaging(averages, truncates))
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layout.addRow("Number of measurements to average", averages)
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layout.addRow("Number to discard", truncates)
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# TODO: is this more a device than a sweep property?
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label = QtWidgets.QLabel(
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"Some times when you measure amplifiers you need to use an"
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" attenuator in line with the S21 input (CH1) here you can"
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" specify it.")
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label.setWordWrap(True)
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label.setMinimumHeight(50)
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layout.addRow(label)
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input_att = QtWidgets.QLineEdit(str(self.app.s21att))
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input_att.setMinimumHeight(20)
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input_att.editingFinished.connect(
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lambda: self.update_attenuator(input_att))
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layout.addRow("Attenuator in port CH1 (s21) in dB", input_att)
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return box
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def sweep_box(self) -> 'QtWidgets.QWidget':
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box = QtWidgets.QGroupBox("Sweep band")
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layout = QtWidgets.QFormLayout(box)
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sweep_pad_layout = QtWidgets.QHBoxLayout()
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self.band_list = QtWidgets.QComboBox()
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self.band_list.setMinimumHeight(20)
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self.band_list.setModel(self.app.bands)
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# pylint: disable=unnecessary-lambda
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self.band_list.currentIndexChanged.connect(lambda: self.update_band())
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layout.addRow("Select band", self.band_list)
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sweep_pad_layout.addWidget(QtWidgets.QLabel("Pad band limits:"))
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for btn_label, value in (
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("None", 0), ("10%", 10), ("25%", 25), ("100%", 100),):
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radio_button = QtWidgets.QRadioButton(btn_label)
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radio_button.setMinimumHeight(20)
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radio_button.setChecked(self.padding == value)
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radio_button.clicked.connect(partial(self.update_padding, value))
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sweep_pad_layout.addWidget(radio_button)
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layout.addRow(sweep_pad_layout)
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self.band_label = QtWidgets.QLabel()
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layout.addRow(self.band_label)
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btn_set_band_sweep = QtWidgets.QPushButton("Set band sweep")
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btn_set_band_sweep.setMinimumHeight(20)
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btn_set_band_sweep.clicked.connect(lambda: self.update_band(True))
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layout.addRow(btn_set_band_sweep)
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return box
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def vna_connected(self):
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while self._power_layout.rowCount():
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self._power_layout.removeRow(0)
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for freq_range, power_descs in self.app.vna.txPowerRanges:
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power_sel = QtWidgets.QComboBox()
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power_sel.addItems(power_descs)
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power_sel.currentTextChanged.connect(
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partial(self.update_tx_power, freq_range))
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self._power_layout.addRow("TX power {}..{}".format(
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*map(format_frequency_short, freq_range)), power_sel)
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def update_band(self, apply: bool = False):
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logger.debug("update_band(%s)", apply)
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index_start = self.band_list.model().index(
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self.band_list.currentIndex(), 1)
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index_stop = self.band_list.model().index(
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self.band_list.currentIndex(), 2)
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start = int(self.band_list.model().data(
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index_start, QtCore.Qt.ItemDataRole).value())
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stop = int(self.band_list.model().data(
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index_stop, QtCore.Qt.ItemDataRole).value())
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if self.padding > 0:
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span = stop - start
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start -= round(span * self.padding / 100)
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start = max(1, start)
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stop += round(span * self.padding / 100)
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self.band_label.setText(
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f"Sweep span: {format_frequency_short(start)}"
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f" to {format_frequency_short(stop)}")
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if not apply:
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return
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self.app.sweep_control.input_start.setText(
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format_frequency_sweep(start))
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self.app.sweep_control.input_end.setText(
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format_frequency_sweep(stop))
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self.app.sweep_control.input_end.textEdited.emit(
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self.app.sweep_control.input_end.text())
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def update_attenuator(self, value: 'QtWidgets.QLineEdit'):
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try:
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att = float(value.text())
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assert att >= 0
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except (ValueError, AssertionError):
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logger.warning("Values for attenuator are absolute and with no"
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" minus sign, resetting.")
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att = 0
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logger.debug("Attenuator %sdB inline with S21 input", att)
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value.setText(str(att))
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self.app.s21att = att
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def update_averaging(self,
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averages: 'QtWidgets.QLineEdit',
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truncs: 'QtWidgets.QLineEdit'):
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try:
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amount = int(averages.text())
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truncates = int(truncs.text())
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assert amount > 0
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assert truncates >= 0
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assert amount > truncates
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except (AssertionError, ValueError):
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logger.warning("Illegal averaging values, set default")
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amount = 3
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truncates = 0
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logger.debug("update_averaging(%s, %s)", amount, truncates)
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averages.setText(str(amount))
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truncs.setText(str(truncates))
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with self.app.sweep.lock:
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self.app.sweep.properties.averages = (amount, truncates)
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def update_logarithmic(self, logarithmic: bool):
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logger.debug("update_logarithmic(%s)", logarithmic)
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with self.app.sweep.lock:
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self.app.sweep.properties.logarithmic = logarithmic
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def update_mode(self, mode: 'SweepMode'):
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logger.debug("update_mode(%s)", mode)
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with self.app.sweep.lock:
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self.app.sweep.properties.mode = mode
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def update_padding(self, padding: int):
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logger.debug("update_padding(%s)", padding)
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self.padding = padding
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self.update_band()
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def update_title(self, title: str = ""):
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logger.debug("update_title(%s)", title)
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with self.app.sweep.lock:
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self.app.sweep.properties.name = title
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self.app.update_sweep_title()
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def update_tx_power(self, freq_range, power_desc):
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logger.debug("update_tx_power(%r)", power_desc)
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with self.app.sweep.lock:
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self.app.vna.setTXPower(freq_range, power_desc)
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