基于PyQt6编写一个串口调试助手

# -*- coding: utf-8 -*-

# form implementation generated from reading ui file 'untitled.ui'
#
# created by: pyqt5 ui code generator 5.15.4
#
# warning: any manual changes made to this file will be lost when pyuic5 is
# run again.  do not edit this file unless you know what you are doing.


from pyqt6 import qtcore, qtgui, qtwidgets
from pyqt6 import qtserialport
import pyqt6
from pyqt6.qtcore import qiodevice,qiodevicebase
from pyqt6.qtcore import qdate, qtime, qdatetime, qt

class ui_form(object):

    def setupui(self, form):
        form.setobjectname("form")
        form.resize(791, 627)
        self.form = form

        self.gridlayout_3 = qtwidgets.qgridlayout(form)
        self.gridlayout_3.setobjectname("gridlayout_3")
        self.verticallayout_3 = qtwidgets.qvboxlayout()
        self.verticallayout_3.setobjectname("verticallayout_3")
        self.horizontallayout_4 = qtwidgets.qhboxlayout()
        self.horizontallayout_4.setobjectname("horizontallayout_4")
        self.groupbox_2 = qtwidgets.qgroupbox(form)
        self.groupbox_2.setobjectname("groupbox_2")
        self.gridlayout_4 = qtwidgets.qgridlayout(self.groupbox_2)
        self.gridlayout_4.setobjectname("gridlayout_4")
        self.textbrowser = qtwidgets.qtextbrowser(self.groupbox_2)
        self.textbrowser.setobjectname("textbrowser")
        self.gridlayout_4.addwidget(self.textbrowser, 0, 0, 1, 1)
        self.horizontallayout_4.addwidget(self.groupbox_2)
        self.groupbox = qtwidgets.qgroupbox(form)
        self.groupbox.setobjectname("groupbox")
        self.gridlayout = qtwidgets.qgridlayout(self.groupbox)
        self.gridlayout.setobjectname("gridlayout")
        self.horizontallayout_2 = qtwidgets.qhboxlayout()
        self.horizontallayout_2.setobjectname("horizontallayout_2")
        self.label_2 = qtwidgets.qlabel(self.groupbox)
        self.label_2.setobjectname("label_2")
        self.horizontallayout_2.addwidget(self.label_2)
        self.comboboxbaudrate = qtwidgets.qcombobox(self.groupbox)
        self.comboboxbaudrate.setobjectname("comboboxbaudrate")
        self.horizontallayout_2.addwidget(self.comboboxbaudrate)
        self.horizontallayout_2.setstretch(0, 1)
        self.horizontallayout_2.setstretch(1, 3)
        self.gridlayout.addlayout(self.horizontallayout_2, 1, 0, 1, 1)
        self.horizontallayout = qtwidgets.qhboxlayout()
        self.horizontallayout.setobjectname("horizontallayout")
        self.label = qtwidgets.qlabel(self.groupbox)
        self.label.setobjectname("label")
        self.horizontallayout.addwidget(self.label)
        self.comboboxserialport = qtwidgets.qcombobox(self.groupbox)
        self.comboboxserialport.setobjectname("comboboxserialport")
        self.horizontallayout.addwidget(self.comboboxserialport)
        self.horizontallayout.setstretch(0, 1)
        self.horizontallayout.setstretch(1, 3)
        self.gridlayout.addlayout(self.horizontallayout, 0, 0, 1, 1)
        self.horizontallayout_3 = qtwidgets.qhboxlayout()
        self.horizontallayout_3.setobjectname("horizontallayout_3")
        self.label_3 = qtwidgets.qlabel(self.groupbox)
        self.label_3.setobjectname("label_3")
        self.horizontallayout_3.addwidget(self.label_3)
        self.btnopenclose = qtwidgets.qpushbutton(self.groupbox)
        self.btnopenclose.setobjectname("btnopenclose")
        self.horizontallayout_3.addwidget(self.btnopenclose)
        self.horizontallayout_3.setstretch(0, 1)
        self.horizontallayout_3.setstretch(1, 3)
        self.gridlayout.addlayout(self.horizontallayout_3, 2, 0, 1, 1)
        spaceritem = qtwidgets.qspaceritem(20, 40, qtwidgets.qsizepolicy.policy.minimum, qtwidgets.qsizepolicy.policy.expanding)
        self.gridlayout.additem(spaceritem, 3, 0, 1, 1)
        self.horizontallayout_4.addwidget(self.groupbox)
        self.horizontallayout_4.setstretch(0, 5)
        self.horizontallayout_4.setstretch(1, 3)
        self.verticallayout_3.addlayout(self.horizontallayout_4)
        self.groupbox_3 = qtwidgets.qgroupbox(form)
        self.groupbox_3.setobjectname("groupbox_3")
        self.gridlayout_2 = qtwidgets.qgridlayout(self.groupbox_3)
        self.gridlayout_2.setobjectname("gridlayout_2")
        self.horizontallayout_5 = qtwidgets.qhboxlayout()
        self.horizontallayout_5.setobjectname("horizontallayout_5")
        self.textedit = qtwidgets.qtextedit(self.groupbox_3)
        self.textedit.setobjectname("textedit")
        self.horizontallayout_5.addwidget(self.textedit)
        self.verticallayout = qtwidgets.qvboxlayout()
        self.verticallayout.setobjectname("verticallayout")
        self.btnsend = qtwidgets.qpushbutton(self.groupbox_3)
        self.btnsend.setminimumsize(qtcore.qsize(0, 50))
        self.btnsend.setobjectname("btnsend")
        self.verticallayout.addwidget(self.btnsend)
        self.btnclear = qtwidgets.qpushbutton(self.groupbox_3)
        self.btnclear.setminimumsize(qtcore.qsize(0, 50))
        self.btnclear.setobjectname("btnclear")
        self.verticallayout.addwidget(self.btnclear)
        self.horizontallayout_5.addlayout(self.verticallayout)
        self.horizontallayout_5.setstretch(0, 5)
        self.horizontallayout_5.setstretch(1, 1)
        self.gridlayout_2.addlayout(self.horizontallayout_5, 0, 0, 1, 1)
        self.verticallayout_3.addwidget(self.groupbox_3)
        self.verticallayout_3.setstretch(0, 4)
        self.verticallayout_3.setstretch(1, 2)
        self.gridlayout_3.addlayout(self.verticallayout_3, 0, 0, 1, 1)

        self.textbrowser.setlinewrapmode(qtwidgets.qtextbrowser.linewrapmode.widgetwidth)
        self.parainit()

        self.retranslateui(form)
        qtcore.qmetaobject.connectslotsbyname(form)
    def parainit(self):
        availableports = qtserialport.qserialportinfo.availableports()
        self.comboboxserialport.clear()
        for port in availableports:
            self.comboboxserialport.additem(port.portname())

        # 初始化波特率
        baudrates = qtserialport.qserialportinfo.standardbaudrates()
        self.comboboxbaudrate.clear()
        for i in baudrates:
            self.comboboxbaudrate.additem(str(i))

        self.serial = qtserialport.qserialport()
        #连接信号与槽
        self.btnopenclose.clicked.connect(self.btnopencloseclick)
        self.btnsend.clicked.connect(self.btnsendclick)
        self.btnclear.clicked.connect(self.btnclearclick)
        self.serial.readyread.connect(self.serialreadyread)
    def btnopencloseclick(self):
        if(self.serial.isopen()):
            print("关闭串口")
            self.btnopenclose.settext("打开串口")
            self.serial.close()
            self.comboboxbaudrate.setenabled(true)
            self.comboboxserialport.setenabled(true)
        else:
            print("打开串口")
            self.serial.setportname(self.comboboxserialport.currenttext())
            self.serial.setbaudrate(int(self.comboboxbaudrate.currenttext()))
            self.serial.setdatabits(qtserialport.qserialport.databits.data8)
            self.serial.setparity(qtserialport.qserialport.parity.noparity)
            self.serial.setstopbits(qtserialport.qserialport.stopbits.onestop)
            self.serial.setflowcontrol(qtserialport.qserialport.flowcontrol.noflowcontrol)
            print(self.serial.portname())
            print(self.serial.baudrate())
            if(self.serial.open(qiodevicebase.openmodeflag.readwrite)):
                self.btnopenclose.settext("关闭串口")
                self.comboboxbaudrate.setenabled(false)
                self.comboboxserialport.setenabled(false)
            else:
                qtwidgets.qmessagebox.critical(self.form,"错误","打开串口失败:"+self.serial.errorstring())




    def btnsendclick(self):
        text = self.textedit.toplaintext()
        textbyte = text.encode("utf-8")
        self.serial.write(textbyte)
    def btnclearclick(self):
        self.textedit.clear()
    def serialreadyread(self):
        buffer = self.serial.read(1024)
        buffer = buffer.decode("utf-8")
        time = qdatetime.currentdatetime().tostring("yyyy-mm-dd hh:mm:ss  ")
        # self.textbrowser.append(time+buffer)

        self.textbrowser.sethorizontalscrollbarpolicy(qt.scrollbarpolicy.scrollbaralwaysoff)
        tc = self.textbrowser.textcursor()
        tc.moveposition(qtgui.qtextcursor.moveoperation.end)
        tc.inserttext(time+buffer)


    def retranslateui(self, form):
        _translate = qtcore.qcoreapplication.translate
        form.setwindowtitle(_translate("form", "form"))
        self.groupbox_2.settitle(_translate("form", "groupbox"))
        self.groupbox.settitle(_translate("form", "groupbox"))
        self.label_2.settext(_translate("form", "波特率  ："))
        self.label.settext(_translate("form", "串口选择："))
        self.label_3.settext(_translate("form", "串口操作："))
        self.btnopenclose.settext(_translate("form", "打开串口"))
        self.groupbox_3.settitle(_translate("form", "groupbox"))
        self.btnsend.settext(_translate("form", "发送"))
        self.btnclear.settext(_translate("form", "清空"))


if __name__ == '__main__':
    import sys
    app = qtwidgets.qapplication(sys.argv)
    mainwindow = qtwidgets.qwidget()

    ui = ui_form()  # 这个是类名，名字根据自定义的情况变化
    ui.setupui(mainwindow)
    mainwindow.setwindowtitle("串口调试助手")
    mainwindow.show()
    sys.exit(app.exec())