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# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
import sys
from PySide6.QtCore import Slot
from PySide6.QtGui import QIntValidator
from PySide6.QtWidgets import QComboBox
from PySide6.QtSerialPort import QSerialPort, QSerialPortInfo
from PySide6.QtWidgets import QDialog
from ui_settingsdialog import Ui_SettingsDialog
BLANK_STRING = "N/A"
CUSTOM_BAUDRATE_INDEX = 4
class Settings():
def __init__(self):
self.name = ""
self.baud_rate = 0
self.string_baud_rate = ""
self.data_bits = QSerialPort.Data8
self.string_data_bits = ""
self.parity = QSerialPort.NoParity
self.string_parity = ""
self.stop_bits = QSerialPort.OneStop
self.string_stop_bits = ""
self.flow_control = QSerialPort.SoftwareControl
self.string_flow_control = ""
self.local_echo_enabled = False
class SettingsDialog(QDialog):
def __init__(self, parent=None):
super().__init__(parent)
self.m_ui = Ui_SettingsDialog()
self._custom_port_index = -1
self.m_ui.setupUi(self)
self.m_currentSettings = Settings()
self.m_intValidator = QIntValidator(0, 4000000, self)
self.m_ui.baudRateBox.setInsertPolicy(QComboBox.NoInsert)
self.m_ui.applyButton.clicked.connect(self.apply)
self.m_ui.serialPortInfoListBox.currentIndexChanged.connect(self.show_port_info)
self.m_ui.baudRateBox.currentIndexChanged.connect(self.check_custom_baud_rate_policy)
self.m_ui.serialPortInfoListBox.currentIndexChanged.connect(
self.check_custom_device_path_policy)
self.fill_ports_parameters()
self.fill_ports_info()
self.update_settings()
def settings(self):
return self.m_currentSettings
@Slot(int)
def show_port_info(self, idx):
if idx == -1:
return
list = self.m_ui.serialPortInfoListBox.itemData(idx)
count = len(list) if list else 0
description = list[1] if count > 1 else BLANK_STRING
self.m_ui.descriptionLabel.setText(f"Description: {description}")
manufacturer = list[2] if count > 2 else BLANK_STRING
self.m_ui.manufacturerLabel.setText(f"Manufacturer: {manufacturer}")
serialno = list[3] if count > 3 else BLANK_STRING
self.m_ui.serialNumberLabel.setText(f"Serial number: {serialno}")
location = list[4] if count > 4 else BLANK_STRING
self.m_ui.locationLabel.setText(f"Location: {location}")
vendor = list[5] if count > 5 else BLANK_STRING
self.m_ui.vidLabel.setText(f"Vendor Identifier: {vendor}")
id = list[6] if count > 6 else BLANK_STRING
self.m_ui.pidLabel.setText(f"Product Identifier: {id}")
@Slot()
def apply(self):
self.update_settings()
self.hide()
@Slot(int)
def check_custom_baud_rate_policy(self, idx):
is_custom_baud_rate = idx == CUSTOM_BAUDRATE_INDEX
self.m_ui.baudRateBox.setEditable(is_custom_baud_rate)
if is_custom_baud_rate:
self.m_ui.baudRateBox.clearEditText()
edit = self.m_ui.baudRateBox.lineEdit()
edit.setValidator(self.m_intValidator)
@Slot(int)
def check_custom_device_path_policy(self, idx):
is_custom_path = idx == self._custom_port_index
self.m_ui.serialPortInfoListBox.setEditable(is_custom_path)
if is_custom_path:
self.m_ui.serialPortInfoListBox.clearEditText()
def fill_ports_parameters(self):
self.m_ui.baudRateBox.addItem("9600", QSerialPort.Baud9600)
self.m_ui.baudRateBox.addItem("19200", QSerialPort.Baud19200)
self.m_ui.baudRateBox.addItem("38400", QSerialPort.Baud38400)
self.m_ui.baudRateBox.addItem("115200", QSerialPort.Baud115200)
self.m_ui.baudRateBox.addItem("Custom")
self.m_ui.dataBitsBox.addItem("5", QSerialPort.Data5)
self.m_ui.dataBitsBox.addItem("6", QSerialPort.Data6)
self.m_ui.dataBitsBox.addItem("7", QSerialPort.Data7)
self.m_ui.dataBitsBox.addItem("8", QSerialPort.Data8)
self.m_ui.dataBitsBox.setCurrentIndex(3)
self.m_ui.parityBox.addItem("None", QSerialPort.NoParity)
self.m_ui.parityBox.addItem("Even", QSerialPort.EvenParity)
self.m_ui.parityBox.addItem("Odd", QSerialPort.OddParity)
self.m_ui.parityBox.addItem("Mark", QSerialPort.MarkParity)
self.m_ui.parityBox.addItem("Space", QSerialPort.SpaceParity)
self.m_ui.stopBitsBox.addItem("1", QSerialPort.OneStop)
if sys.platform == "win32":
self.m_ui.stopBitsBox.addItem("1.5", QSerialPort.OneAndHalfStop)
self.m_ui.stopBitsBox.addItem("2", QSerialPort.TwoStop)
self.m_ui.flowControlBox.addItem("None", QSerialPort.NoFlowControl)
self.m_ui.flowControlBox.addItem("RTS/CTS", QSerialPort.HardwareControl)
self.m_ui.flowControlBox.addItem("XON/XOFF", QSerialPort.SoftwareControl)
def fill_ports_info(self):
self.m_ui.serialPortInfoListBox.clear()
for info in QSerialPortInfo.availablePorts():
list = []
description = info.description()
manufacturer = info.manufacturer()
serial_number = info.serialNumber()
list.append(info.portName())
list.append(description if description else BLANK_STRING)
list.append(manufacturer if manufacturer else BLANK_STRING)
list.append(serial_number if serial_number else BLANK_STRING)
list.append(info.systemLocation())
vid = info.vendorIdentifier()
list.append(f"{vid:x}" if vid else BLANK_STRING)
pid = info.productIdentifier()
list.append(f"{pid:x}" if pid else BLANK_STRING)
self.m_ui.serialPortInfoListBox.addItem(list[0], list)
self._custom_port_index = self.m_ui.serialPortInfoListBox.count()
self.m_ui.serialPortInfoListBox.addItem("Custom")
def update_settings(self):
self.m_currentSettings.name = self.m_ui.serialPortInfoListBox.currentText()
baud_index = self.m_ui.baudRateBox.currentIndex()
if baud_index == CUSTOM_BAUDRATE_INDEX:
text = self.m_ui.baudRateBox.currentText()
self.m_currentSettings.baud_rate = int(text)
else:
self.m_currentSettings.baud_rate = self.m_ui.baudRateBox.currentData()
self.m_currentSettings.string_baud_rate = f"{self.m_currentSettings.baud_rate}"
self.m_currentSettings.data_bits = self.m_ui.dataBitsBox.currentData()
self.m_currentSettings.string_data_bits = self.m_ui.dataBitsBox.currentText()
self.m_currentSettings.parity = self.m_ui.parityBox.currentData()
self.m_currentSettings.string_parity = self.m_ui.parityBox.currentText()
self.m_currentSettings.stop_bits = self.m_ui.stopBitsBox.currentData()
self.m_currentSettings.string_stop_bits = self.m_ui.stopBitsBox.currentText()
self.m_currentSettings.flow_control = self.m_ui.flowControlBox.currentData()
self.m_currentSettings.string_flow_control = self.m_ui.flowControlBox.currentText()
self.m_currentSettings.local_echo_enabled = self.m_ui.localEchoCheckBox.isChecked()
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