kopia lustrzana https://github.com/NanoVNA-Saver/nanovna-saver
319 wiersze
12 KiB
Python
319 wiersze
12 KiB
Python
# Copyright (c) 2019 Rune B. Broberg
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import collections
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import threading
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from time import sleep
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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 Marker import Marker
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from SmithChart import SmithChart
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from SweepWorker import SweepWorker
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Datapoint = collections.namedtuple('Datapoint', 'freq re im')
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class NanoVNASaver(QtWidgets.QWidget):
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def __init__(self):
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super().__init__()
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self.threadpool = QtCore.QThreadPool()
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print("Max thread count " + str(self.threadpool.maxThreadCount()))
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self.worker = SweepWorker(self)
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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.dataLock = threading.Lock()
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self.values = []
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self.frequencies = []
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self.data : List[Datapoint] = []
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self.markers = []
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self.serialPort = "COM11"
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# self.serialSpeed = "115200"
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self.setWindowTitle("NanoVNA Saver")
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layout = QtWidgets.QGridLayout()
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self.setLayout(layout)
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self.smithChart = SmithChart()
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left_column = QtWidgets.QVBoxLayout()
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right_column = QtWidgets.QVBoxLayout()
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layout.addLayout(left_column, 0, 0)
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layout.addLayout(right_column, 0, 1)
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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(400)
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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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self.sweepStartInput = QtWidgets.QLineEdit("")
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self.sweepStartInput.setAlignment(QtCore.Qt.AlignRight)
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sweep_control_layout.addRow(QtWidgets.QLabel("Sweep start"), self.sweepStartInput)
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self.sweepEndInput = QtWidgets.QLineEdit("")
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self.sweepEndInput.setAlignment(QtCore.Qt.AlignRight)
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sweep_control_layout.addRow(QtWidgets.QLabel("Sweep end"), self.sweepEndInput)
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self.sweepCountInput = QtWidgets.QLineEdit("")
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self.sweepCountInput.setAlignment(QtCore.Qt.AlignRight)
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self.sweepCountInput.setText("1")
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sweep_control_layout.addRow(QtWidgets.QLabel("Sweep count"), self.sweepCountInput)
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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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sweep_control_layout.addRow(self.btnSweep)
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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(400)
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marker_control_layout = QtWidgets.QFormLayout(marker_control_box)
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marker1 = Marker("Marker 1", QtGui.QColor(255, 0, 20))
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label, layout = marker1.getRow()
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marker_control_layout.addRow(label, layout)
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self.markers.append(marker1)
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marker2 = Marker("Marker 2", QtGui.QColor(20, 0, 255))
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label, layout = marker2.getRow()
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marker_control_layout.addRow(label, layout)
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self.markers.append(marker2)
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self.smithChart.setMarkers(self.markers)
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self.marker1label = QtWidgets.QLabel("")
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marker_control_layout.addRow(QtWidgets.QLabel("Marker 1: "), self.marker1label)
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self.marker2label = QtWidgets.QLabel("")
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marker_control_layout.addRow(QtWidgets.QLabel("Marker 2: "), self.marker2label)
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left_column.addWidget(marker_control_box)
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left_column.addSpacerItem(QtWidgets.QSpacerItem(1, 1, QtWidgets.QSizePolicy.Fixed, QtWidgets.QSizePolicy.Expanding))
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################################################################################################################
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# Serial control
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################################################################################################################
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serial_control_box = QtWidgets.QGroupBox()
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serial_control_box.setMaximumWidth(400)
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serial_control_box.setTitle("Serial port control")
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serial_control_layout = QtWidgets.QFormLayout(serial_control_box)
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self.serialPortInput = QtWidgets.QLineEdit(self.serialPort)
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self.serialPortInput.setAlignment(QtCore.Qt.AlignRight)
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# self.serialSpeedInput = QtWidgets.QLineEdit(str(self.serialSpeed))
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# self.serialSpeedInput.setValidator(QtGui.QIntValidator())
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# self.serialSpeedInput.setAlignment(QtCore.Qt.AlignRight)
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serial_control_layout.addRow(QtWidgets.QLabel("Serial port"), self.serialPortInput)
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# serial_control_layout.addRow(QtWidgets.QLabel("Speed"), self.serialSpeedInput)
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self.btnSerialToggle = QtWidgets.QPushButton("Open serial")
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self.btnSerialToggle.clicked.connect(self.serialButtonClick)
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serial_control_layout.addRow(self.btnSerialToggle)
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left_column.addWidget(serial_control_box)
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################################################################################################################
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# File control
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################################################################################################################
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file_control_box = QtWidgets.QGroupBox()
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file_control_box.setTitle("Export file")
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file_control_box.setMaximumWidth(400)
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file_control_layout = QtWidgets.QFormLayout(file_control_box)
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self.fileNameInput = QtWidgets.QLineEdit("")
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self.fileNameInput.setAlignment(QtCore.Qt.AlignRight)
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file_control_layout.addRow(QtWidgets.QLabel("Filename"), self.fileNameInput)
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self.btnExportFile = QtWidgets.QPushButton("Export data")
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self.btnExportFile.clicked.connect(self.exportFile)
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file_control_layout.addRow(self.btnExportFile)
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left_column.addWidget(file_control_box)
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################################################################################################################
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# Right side
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################################################################################################################
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self.lister = QtWidgets.QPlainTextEdit()
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self.lister.setFixedHeight(200)
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right_column.addWidget(self.lister)
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right_column.addWidget(self.smithChart)
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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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def exportFile(self):
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print("Save file to " + self.fileNameInput.text())
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filename = self.fileNameInput.text()
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# TODO: Make some proper file handling here?
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file = open(filename, "w+")
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self.lister.clear()
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self.lister.appendPlainText("# Hz S RI R 50")
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file.write("# Hz S RI R 50\n")
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for i in range(len(self.values)):
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if i > 0 and self.frequencies[i] != self.frequencies[i-1]:
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self.lister.appendPlainText(self.frequencies[i] + " " + self.values[i])
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file.write(self.frequencies[i] + " " + self.values[i] + "\n")
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file.close()
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def serialButtonClick(self):
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if self.serial.is_open:
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self.stopSerial()
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else:
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self.startSerial()
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return
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def startSerial(self):
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self.lister.appendPlainText("Opening serial port " + self.serialPort)
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if self.serialLock.acquire():
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self.serialPort = self.serialPortInput.text()
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try:
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self.serial = serial.Serial(port=self.serialPort, baudrate=115200)
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except serial.SerialException as exc:
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self.lister.appendPlainText("Tried to open " + self.serialPort + " and failed.")
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self.serialLock.release()
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return
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self.btnSerialToggle.setText("Close serial")
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self.serial.timeout = 0.05
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self.serialLock.release()
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sleep(0.05)
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frequencies = self.readValues("frequencies")
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self.sweepStartInput.setText(str(frequencies[0]))
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self.sweepEndInput.setText(str(frequencies[100]))
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self.sweep()
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return
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def stopSerial(self):
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if self.serialLock.acquire():
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self.serial.close()
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self.serialLock.release()
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self.btnSerialToggle.setText("Open serial")
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def writeSerial(self, command):
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if not self.serial.is_open:
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print("Warning: Writing without serial port being opened (" + command + ")")
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return
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if self.serialLock.acquire():
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try:
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self.serial.write(str(command + "\r").encode('ascii'))
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self.serial.readline()
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except serial.SerialException as exc:
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print("Exception received")
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self.serialLock.release()
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return
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def setSweep(self, start, stop):
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print("Sending: " + "sweep " + str(start) + " " + str(stop) + " 101")
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self.writeSerial("sweep " + str(start) + " " + str(stop) + " 101")
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def sweep(self):
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# Run the serial port update
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if not self.serial.is_open:
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return
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self.sweepProgressBar.setValue(0)
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self.btnSweep.setDisabled(True)
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self.threadpool.start(self.worker)
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# TODO: Make markers into separate objects, and integrate updating them.
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# if self.smithChart.marker1Location != -1:
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# reStr, imStr = self.values[self.smithChart.marker1Location].split(" ")
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# re = float(reStr)
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# im = float(imStr)
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#
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# re50 = 50*(1-re*re-im*im)/(1+re*re+im*im-2*re)
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# im50 = 50*(2*im)/(1+re*re+im*im-2*re)
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#
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# mag = math.sqrt(re*re+im*im)
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# vswr = (1+mag)/(1-mag)
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# self.marker1label.setText(str(round(re50, 3)) + " + j" + str(round(im50, 3)) + " VSWR: 1:" + str(round(vswr, 3)))
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#
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# if self.smithChart.marker2Location != -1:
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# reStr, imStr = self.values[self.smithChart.marker2Location].split(" ")
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# re = float(reStr)
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# im = float(imStr)
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#
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# re50 = 50*(1-re*re-im*im)/(1+re*re+im*im-2*re)
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# im50 = 50*(2*im)/(1+re*re+im*im-2*re)
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#
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# mag = math.sqrt(re*re+im*im)
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# vswr = (1+mag)/(1-mag)
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# self.marker2label.setText(str(round(re50, 3)) + " + j" + str(round(im50, 3)) + " VSWR: 1:" + str(round(vswr, 3)))
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return
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def readValues(self, value):
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if self.serialLock.acquire():
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print("### Reading " + str(value) + " ###")
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try:
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data = "a"
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while data != "":
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data = self.serial.readline().decode('ascii')
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# Then send the command to read data
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self.serial.write(str(value + "\r").encode('ascii'))
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except serial.SerialException as exc:
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print("Exception received")
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result = ""
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data = ""
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sleep(0.01)
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while "ch>" not in data:
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data = self.serial.readline().decode('ascii')
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result += data
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print("### Done reading ###")
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values = result.split("\r\n")
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print("Total values: " + str(len(values) - 2))
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self.serialLock.release()
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return values[1:102]
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def saveData(self, data):
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if self.dataLock.acquire(blocking=True):
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self.data = data
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else:
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print("ERROR: Failed acquiring data lock while saving.")
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self.dataLock.release()
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def dataUpdated(self):
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if self.dataLock.acquire(blocking=True):
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for m in self.markers:
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m.findLocation(self.data)
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self.smithChart.setData(self.data)
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self.sweepProgressBar.setValue(self.worker.percentage)
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else:
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print("ERROR: Failed acquiring data lock while updating")
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self.dataLock.release()
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def sweepFinished(self):
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self.sweepProgressBar.setValue(100)
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self.btnSweep.setDisabled(False) |