(Python)PyQT5编写51单片机的取模机和上位机

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| 字数统计: 3.1k

上学期的一个课程设计要求做一个8x8x8光立方的上位机，一时不知怎么写，上学期太懒了，好久没写程序的缘故，关于PyQT5的运用也是之前用过一点皮毛，所以也忘的差不多了，所以在网上参考一些前辈写的，在此记录一下，以观后效之用。

首先得声明一下：这是我从网上的前辈拿来的程序，并非我个人所写。

取模器

  • pattern.py：
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# -*- coding: utf-8 -*-
class Pattern:
    def __init__(self, page=8, row=8, column=8):
        self.page = page
        self.row = row
        self.column = column
        self.init_data()
    def init_data(self):
        self.data = []
        self.page_flag = []
        self.row_flag = []
        self.column_flag = []
        for i in range(0, self.page):
            page_data = []
            self.page_flag.append(0)
            a_row_flag = []
            for i in range(0, self.row):
                a_row_flag.append(0)
                a_column_flag = []
                for j in range(0, self.column):
                    a_column_flag.append(0)
                    page_data.append(0)
            self.column_flag.append(a_column_flag)
            self.row_flag.append(a_row_flag)
            self.data.append(page_data)
    def __str__(self):
        return self.format(format='hex')
    def __repr__(self):
        return '<Pattern Object %dx%dx%d>' % (self.page, self.row, self.column)
    def set(self, page, row, column, value):
        self.data[page][row * 8 + column] = value
        for bit in self.data[page]:
            self.page_flag[page] = bit
            if bit == 0:
                break
        start = self.column * row
        end = start + self.column
        for bit in self.data[page][start:end]:
            self.row_flag[page][row] = bit
            if bit == 0:
                break
        start = column
        step = self.column
        end = start + step * self.row
        for bit in self.data[page][start:end:step]:
            self.column_flag[page][column] = bit
            if bit == 0:
                break
    def set_row(self, page, row, value):
        for i in range(0, self.column):
            self.set(page, row, i, value)
    def set_column(self, page, column, value):
        for i in range(self.row):
            self.set(page, i, column, value)
    def set_page(self, page, value):
        for i in range(self.row * self.column):
            self.data[page][i] = value
        self.page_flag[page] = value
        for i in range(self.row):
            self.row_flag[page][i] = value
        for i in range(self.column):
            self.column_flag[page][i] = value
    def set_all(self, value):
        for i in range(0, self.page):
            self.set_page(i, value)
    def zip(self):
        zipped_data = []
        for row in range(self.row):
            for page in range(self.page):
                column_sum = 0
                for column in range(self.column):
                    bit = self.data[page][row * self.column + column]
                    if bit:
                        column_sum += 2**column
                zipped_data.append(column_sum)
        return zipped_data
    def unzip(self, zipped_data):
        unzipped_data = []
        zipped_data_t = []
        for p in range(self.page):
            p_data_t = []
            for pt in zipped_data:
                p_data_t.append(pt[p])
            zipped_data_t.append(p_data_t)
        for p in zipped_data_t:
            page = []
            for r in p:
                c = list(bin(r)[2:].zfill(8))
                cint = []
                for i in c[::-1]:
                    cint.append(int(i))
                page.extend(cint)
            unzipped_data.append(page)
        return unzipped_data
    def format(self, format='hex', sep=', ', beautify=True):
        data = self.zip()
        data_str = []
        if format == 'dec':
            for i in data:
                data_str.append(str(i))
        elif format == 'hex':
            for i in data:
                data_str.append('0x%.2X' % i)
        else:
            raise ValueError("No such format '%s'" % format)
        if beautify:
            data_beauty = []
            for i in range(0, self.row):
                start = self.page * i
                end = start + 8
                a_row = sep.join(data_str[start:end])
                data_beauty.append(a_row)
            data_beauty_str = ',\n'.join(data_beauty)
            return data_beauty_str
        else:
            return sep.join(data_str)
    def restore(self, text):
        text = text.split(',\n')
        self.page = len(text)
        zipped_data = []
        for p in text:
            rows = p.split(', ')
            self.row = len(rows)
            rows = [int(i, 0) for i in rows]
            zipped_data.append(rows)
        unzipped_data = self.unzip(zipped_data)
        self.init_data()
        for page in range(self.page):
            for row in range(self.row):
                for column in range(self.column):
                    index = self.column * row + column
                    new_bit = unzipped_data[page][index]
                    if new_bit:
                        self.set(page, row, column, 1)
                    else:
                        self.set(page, row, column, 0)
if __name__ == '__main__':
    p = Pattern(8, 8, 8)
    # print(p.page_flag)
    # print(p.row_flag)
    # print(p.column_flag)
    # for i in range(8):
    #     p.set_column(0, i, 1)
    #     p.set(0, i, 0, 0)
    # print(p.format('dec'))
    # print(p.page_flag)
    # print(p.row_flag)
    # print(p.column_flag)
    hex_text = """0xFF, 0x01, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x01, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
0xFF, 0x01, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x01, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
0xFF, 0x01, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
0xFF, 0x01, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
0xFF, 0x01, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
0xFF, 0x01, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00"""
    # p.restore(dec_text)
    p.restore(hex_text)
    print(p.data)
    print(p.page_flag)
    print(p.row_flag)
    print(p.column_flag)
  • patternflow.py：
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# -*- coding: utf-8 -*-
import sys
from PyQt5.QtWidgets import (
    QMainWindow, QDesktopWidget, QApplication, QWidget,
    QVBoxLayout, QHBoxLayout, QGridLayout,
    QPushButton, QComboBox, QTextEdit, QCheckBox
)
from PyQt5.QtCore import QCoreApplication, Qt
from PyQt5.QtGui import QGuiApplication
from pattern import Pattern
class PatternFlow(QWidget):
    def __init__(self, page=8, row=8, column=8):
        super().__init__()
        self.page = page
        self.row = row
        self.column = column
        self.pt = Pattern()
        self.format = 'dec'
        self.cb = QGuiApplication.clipboard()
        matrixs = self.matrixs(8)
        console = self.console()
        main_layout = QVBoxLayout()
        main_layout.addLayout(matrixs)
        main_layout.addStretch(1)
        main_layout.addLayout(console)
        self.setLayout(main_layout)
        self.center_windows()
        self.setWindowTitle('PatternFlow')
        self.resize(800, 400)
        self.show()
    def console(self):
        format_cbo = QComboBox()
        format_cbo.addItem('Dec')
        format_cbo.addItem('Hex')
        format_cbo.activated[str].connect(self.set_format)
        self.code_text = QTextEdit()
        copy_btn = QPushButton('Copy')
        copy_btn.setToolTip('Copy the pattern code to the clipboard')
        copy_btn.clicked.connect(self.copy_to_clipboard)
        reset_btn = QPushButton('Reset')
        reset_btn.setToolTip('Reset all bit to 0')
        reset_btn.clicked.connect(self.reset)
        setall_btn = QPushButton('Set All')
        setall_btn.setToolTip('Set all bit to 1')
        setall_btn.clicked.connect(self.setall)
        restore_btn = QPushButton('Restore')
        restore_btn.clicked.connect(self.restore)
        restore_btn.setToolTip('Restore pattern from code')
        quit_btn = QPushButton('Quit')
        quit_btn.clicked.connect(QCoreApplication.instance().quit)
        console = QGridLayout()
        console.addWidget(self.code_text, 0, 0, 6, 4)
        console.setColumnStretch(0, 1)
        console.addWidget(format_cbo, 0, 6)
        console.addWidget(copy_btn, 1, 6)
        console.addWidget(reset_btn, 3, 6)
        console.addWidget(setall_btn, 2, 6)
        console.addWidget(restore_btn, 4, 6)
        console.addWidget(quit_btn, 5, 6)
        return console
    def reset(self):
        self.pt.init_data()
        self.mapto_btn()
        self.code_text.clear()
    def setall(self):
        for i in range(self.page):
            self.pt.set_page(i, 1)
        self.mapto_btn()
        self.gen_result()
    def copy_to_clipboard(self):
        text = self.code_text.toPlainText()
        self.cb.setText(text)
    def matrixs(self, page):
        self.bit_btns = []
        matrixs = QGridLayout()
        for page in range(8):
            matrix = QGridLayout()
            matrix.setSpacing(2)
            set_page = QPushButton()
            set_page.setFixedSize(16, 16)
            set_page.setToolTip('set_page(%d' % page)
            set_page.setStyleSheet(
                'QPushButton {background-color: #fff; border: 1px solid #ccc; border-radius: 4px}'
                'QPushButton:open {background-color: #666; border: 1px solid #ccc}'
            )
            set_page.clicked.connect(self.set_page)
            matrix.addWidget(set_page, 0, 0)
            for row in range(8):
                set_row = QPushButton()
                set_row.setFixedSize(16, 16)
                set_row.setToolTip('set_row(%d, %d)' % (page, row))
                set_row.setStyleSheet(
                    'QPushButton {background-color: #fff; border: 1px solid #ccc; border-radius: 4px}'
                    'QPushButton:open {background-color: #aaa}'
                )
                set_row.clicked.connect(self.set_row)
                matrix.addWidget(set_row, row + 1, 0)
            for column in range(8):
                set_column = QPushButton()
                set_column.setFixedSize(16, 16)
                set_column.setToolTip('set_column(%d, %d)' % (page, column))
                set_column.setStyleSheet(
                    'QPushButton {background-color: #fff; border: 1px solid #ccc; border-radius: 4px}'
                    'QPushButton:open {background-color: #aaa}'
                )
                set_column.clicked.connect(self.set_column)
                matrix.addWidget(set_column, 0, column + 1)
            btn_page = []
            for row in range(8):
                for column in range(8):
                    name = 'set_bit(%d, %d, %d)' % (page, row, column)
                    bit_btn = QPushButton()
                    bit_btn.setToolTip(name)
                    bit_btn.setFixedSize(16, 16)
                    bit_btn.setCheckable(True)
                    bit_btn.setStyleSheet(
                        'QPushButton {background: #ddd; border: none; margin: 0px; padding: 0px}'
                        'QPushButton:checked {background-color: #2c9e4b; border: none}'
                    )
                    bit_btn.clicked[bool].connect(self.set_bit)
                    btn_page.append(bit_btn)
                    matrix.addWidget(bit_btn, row + 1, column + 1)
            self.bit_btns.append(btn_page)
            matrixs.addLayout(matrix, page / 4, page % 4)
        return matrixs
    def mapto_code(self):
        for page in range(self.page):
            for row in range(self.row):
                for column in range(self.column):
                    bit_btn = self.bit_btns[page][self.column * row + column]
                    if bit_btn.isChecked():
                        self.pt.set(page, row, column, 1)
                    else:
                        self.pt.set(page, row, column, 0)
    def mapto_btn(self):
        for page in range(self.page):
            for row in range(self.row):
                for column in range(self.column):
                    bit_btn = self.bit_btns[page][self.column * row + column]
                    bit = self.pt.data[page][self.column * row + column]
                    if bit == 1:
                        bit_btn.setChecked(True)
                    else:
                        bit_btn.setChecked(False)
    def restore(self):
        text = self.code_text.toPlainText()
        if text:
            try:
                self.pt.restore(text)
                self.mapto_btn()
            except (ValueError, IndexError):
                pass
    def set_format(self, text):
        self.format = text.lower()
        self.gen_result()
    def gen_result(self):
        self.code_text.setText(self.pt.format(self.format))
    def set_page(self, state):
        sender = self.sender()
        page = sender.toolTip().strip('set_page(').strip(')')
        page = int(page)
        if self.pt.page_flag[page] == 0:
            self.pt.set_page(page, 1)
            for bit_btn in self.bit_btns[page]:
                bit_btn.setChecked(True)
        else:
            self.pt.set_page(page, 0)
            for bit_btn in self.bit_btns[page]:
                bit_btn.setChecked(False)
        self.gen_result()
    def set_row(self, state):
        sender = self.sender()
        text = sender.toolTip().strip('set_row(').strip(')').split(', ')
        page = int(text[0])
        row = int(text[1])
        start = self.column * row
        end = start + self.column
        if self.pt.row_flag[page][row]:
            self.pt.set_row(page, row, 0)
            for bit_btn in self.bit_btns[page][start:end]:
                bit_btn.setChecked(False)
        else:
            self.pt.set_row(page, row, 1)
            for bit_btn in self.bit_btns[page][start:end]:
                bit_btn.setChecked(True)
        self.gen_result()
    def set_column(self, state):
        sender = self.sender()
        text = sender.toolTip().strip('set_column(').strip(')').split(', ')
        page = int(text[0])
        column = int(text[1])
        start = column
        step = self.column
        end = start + step * self.row
        if self.pt.column_flag[page][column]:
            self.pt.set_column(page, column, 0)
            for bit_btn in self.bit_btns[page][start:end:step]:
                bit_btn.setChecked(False)
        else:
            self.pt.set_column(page, column, 1)
            for bit_btn in self.bit_btns[page][start:end:step]:
                bit_btn.setChecked(True)
        self.gen_result()
    def set_bit(self, pressed):
        sender = self.sender()
        text = sender.toolTip().strip('set_bit(').strip(')').split(', ')
        page = int(text[0])
        row = int(text[1])
        column = int(text[2])
        if pressed:
            self.pt.set(page, row, column, 1)
        else:
            self.pt.set(page, row, column, 0)
        self.gen_result()
    def center_windows(self):
        qr = self.frameGeometry()
        cp = QDesktopWidget().availableGeometry().center()
        qr.moveCenter(cp)
        self.move(qr.topLeft())
if __name__ == '__main__':
    app = QApplication(sys.argv)
    pf = PatternFlow()
    sys.exit(app.exec_())

取模器的代码来源一个网上的前辈分享的Github。

上位机

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# -*- coding: utf-8 -*-
import sys
import serial
import threading
import binascii 
from PyQt5 import QtCore, QtGui, QtWidgets
import serial.tools.list_ports
class Ui_MainWindow(object):
    ser = serial.Serial()
    def setupUi(self, MainWindow):
        MainWindow.setObjectName("MainWindow")
        MainWindow.resize(579, 369)
        self.centralwidget = QtWidgets.QWidget(MainWindow)
        self.centralwidget.setObjectName("centralwidget")
        self.groupBox = QtWidgets.QGroupBox(self.centralwidget)
        self.groupBox.setGeometry(QtCore.QRect(10, 10, 141, 311))
        self.groupBox.setObjectName("groupBox")
        self.label = QtWidgets.QLabel(self.groupBox)
        self.label.setGeometry(QtCore.QRect(10, 20, 31, 16))
        self.label.setObjectName("label")
        self.label_2 = QtWidgets.QLabel(self.groupBox)
        self.label_2.setGeometry(QtCore.QRect(10, 50, 41, 16))
        self.label_2.setObjectName("label_2")
        self.label_3 = QtWidgets.QLabel(self.groupBox)
        self.label_3.setGeometry(QtCore.QRect(10, 110, 41, 16))
        self.label_3.setObjectName("label_3")
        self.label_4 = QtWidgets.QLabel(self.groupBox)
        self.label_4.setGeometry(QtCore.QRect(10, 80, 41, 16))
        self.label_4.setObjectName("label_4")
        self.label_5 = QtWidgets.QLabel(self.groupBox)
        self.label_5.setGeometry(QtCore.QRect(10, 140, 41, 16))
        self.label_5.setObjectName("label_5")
        self.comboBox_4 = QtWidgets.QComboBox(self.groupBox)
        self.comboBox_4.setGeometry(QtCore.QRect(60, 20, 71, 22))
        self.comboBox_4.setObjectName("comboBox_4")
        self.comboBox_4.addItem("")
        self.comboBox_4.addItem("")
        self.comboBox_4.addItem("")
        self.comboBox_4.addItem("")
        self.comboBox_4.addItem("")
        self.comboBox_4.addItem("")
        self.comboBox_4.addItem("")
        self.comboBox_4.addItem("")
        self.comboBox_4.addItem("")
        self.comboBox_4.addItem("")
        self.lineEdit_3 = QtWidgets.QLineEdit(self.groupBox)
        self.lineEdit_3.setGeometry(QtCore.QRect(60, 50, 71, 20))
        self.lineEdit_3.setObjectName("lineEdit_3")
        self.comboBox = QtWidgets.QComboBox(self.groupBox)
        self.comboBox.setGeometry(QtCore.QRect(60, 80, 71, 22))
        self.comboBox.setObjectName("comboBox")
        self.comboBox.addItem("")
        self.comboBox.addItem("")
        self.comboBox.addItem("")
        self.comboBox.addItem("")
        self.comboBox_2 = QtWidgets.QComboBox(self.groupBox)
        self.comboBox_2.setGeometry(QtCore.QRect(60, 110, 71, 22))
        self.comboBox_2.setObjectName("comboBox_2")
        self.comboBox_2.addItem("")
        self.comboBox_2.addItem("")
        self.comboBox_2.addItem("")
        self.comboBox_2.addItem("")
        self.comboBox_2.addItem("")
        self.comboBox_3 = QtWidgets.QComboBox(self.groupBox)
        self.comboBox_3.setGeometry(QtCore.QRect(60, 140, 71, 22))
        self.comboBox_3.setObjectName("comboBox_3")
        self.comboBox_3.addItem("")
        self.comboBox_3.addItem("")
        self.comboBox_3.addItem("")
        self.pushButton = QtWidgets.QPushButton(self.groupBox)
        self.pushButton.setGeometry(QtCore.QRect(10, 240, 51, 23))
        self.pushButton.setObjectName("pushButton")
        self.pushButton_2 = QtWidgets.QPushButton(self.groupBox)
        self.pushButton_2.setGeometry(QtCore.QRect(80, 240, 51, 23))
        self.pushButton_2.setObjectName("pushButton_2")
        self.pushButton_3 = QtWidgets.QPushButton(self.groupBox)
        self.pushButton_3.setGeometry(QtCore.QRect(40, 200, 61, 23))
        self.pushButton_3.setObjectName("pushButton_3")
        self.label_11 = QtWidgets.QLabel(self.groupBox)
        self.label_11.setGeometry(QtCore.QRect(10, 170, 41, 16))
        self.label_11.setObjectName("label_11")
        self.label_12 = QtWidgets.QLabel(self.groupBox)
        self.label_12.setGeometry(QtCore.QRect(70, 170, 54, 16))
        font = QtGui.QFont()
        font.setFamily("Aharoni")
        font.setBold(True)
        font.setWeight(75)
        self.label_12.setFont(font)
        self.label_12.setObjectName("label_12")
        self.groupBox_2 = QtWidgets.QGroupBox(self.centralwidget)
        self.groupBox_2.setGeometry(QtCore.QRect(160, 10, 411, 181))
        self.groupBox_2.setObjectName("groupBox_2")
        self.textBrowser = QtWidgets.QTextBrowser(self.groupBox_2)
        self.textBrowser.setGeometry(QtCore.QRect(10, 20, 391, 151))
        self.textBrowser.setObjectName("textBrowser")
        self.groupBox_3 = QtWidgets.QGroupBox(self.centralwidget)
        self.groupBox_3.setGeometry(QtCore.QRect(160, 200, 261, 121))
        self.groupBox_3.setObjectName("groupBox_3")
        self.textEdit = QtWidgets.QTextEdit(self.groupBox_3)
        self.textEdit.setGeometry(QtCore.QRect(10, 20, 241, 91))
        self.textEdit.setObjectName("textEdit")
        self.checkBox = QtWidgets.QCheckBox(self.centralwidget)
        self.checkBox.setGeometry(QtCore.QRect(430, 210, 61, 16))
        self.checkBox.setObjectName("checkBox")
        self.checkBox_2 = QtWidgets.QCheckBox(self.centralwidget)
        self.checkBox_2.setGeometry(QtCore.QRect(500, 210, 61, 20))
        self.checkBox_2.setObjectName("checkBox_2")
        self.pushButton_4 = QtWidgets.QPushButton(self.centralwidget)
        self.pushButton_4.setGeometry(QtCore.QRect(430, 240, 61, 23))
        self.pushButton_4.setObjectName("pushButton_4")
        self.pushButton_5 = QtWidgets.QPushButton(self.centralwidget)
        self.pushButton_5.setGeometry(QtCore.QRect(430, 280, 61, 23))
        self.pushButton_5.setObjectName("pushButton_5")
        MainWindow.setCentralWidget(self.centralwidget)
        self.menubar = QtWidgets.QMenuBar(MainWindow)
        self.menubar.setGeometry(QtCore.QRect(0, 0, 579, 23))
        self.menubar.setObjectName("menubar")
        MainWindow.setMenuBar(self.menubar)
        self.statusbar = QtWidgets.QStatusBar(MainWindow)
        self.statusbar.setObjectName("statusbar")
        MainWindow.setStatusBar(self.statusbar)
        MainWindow.setFixedSize(MainWindow.width(), MainWindow.height());  
        self.retranslateUi(MainWindow)
        QtCore.QMetaObject.connectSlotsByName(MainWindow)
    def retranslateUi(self, MainWindow):
        _translate = QtCore.QCoreApplication.translate
        MainWindow.setWindowTitle(_translate("MainWindow", "Serial_gui"))
        self.groupBox.setTitle(_translate("MainWindow", "串口设置"))
        self.label.setText(_translate("MainWindow", "串 口"))
        self.label_2.setText(_translate("MainWindow", "波特率"))
        self.label_3.setText(_translate("MainWindow", "校验位"))
        self.label_4.setText(_translate("MainWindow", "数据位"))
        self.label_5.setText(_translate("MainWindow", "停止位"))
        self.lineEdit_3.setText(_translate("MainWindow", "9600"))
        self.comboBox.setItemText(0, _translate("MainWindow", "8"))
        self.comboBox.setItemText(1, _translate("MainWindow", "7"))
        self.comboBox.setItemText(2, _translate("MainWindow", "6"))
        self.comboBox.setItemText(3, _translate("MainWindow", "5"))
        self.comboBox_2.setItemText(0, _translate("MainWindow", "N"))
        self.comboBox_2.setItemText(1, _translate("MainWindow", "E"))
        self.comboBox_2.setItemText(2, _translate("MainWindow", "O"))
        self.comboBox_2.setItemText(3, _translate("MainWindow", "M"))
        self.comboBox_2.setItemText(4, _translate("MainWindow", "S"))
        self.comboBox_3.setItemText(0, _translate("MainWindow", "1"))
        self.comboBox_3.setItemText(1, _translate("MainWindow", "1.5"))
        self.comboBox_3.setItemText(2, _translate("MainWindow", "2"))
        self.comboBox_4.setItemText(0, _translate("MainWindow", "COM1"))
        self.comboBox_4.setItemText(1, _translate("MainWindow", "COM2"))
        self.comboBox_4.setItemText(2, _translate("MainWindow", "COM3"))
        self.comboBox_4.setItemText(3, _translate("MainWindow", "COM4"))
        self.comboBox_4.setItemText(4, _translate("MainWindow", "COM5"))
        self.comboBox_4.setItemText(5, _translate("MainWindow", "COM6"))
        self.comboBox_4.setItemText(6, _translate("MainWindow", "COM7"))
        self.comboBox_4.setItemText(7, _translate("MainWindow", "COM8"))
        self.comboBox_4.setItemText(8, _translate("MainWindow", "COM9"))
        self.comboBox_4.setItemText(9, _translate("MainWindow", "COM10"))
        self.pushButton.setText(_translate("MainWindow", "打开"))
        self.pushButton.clicked.connect(self.port_open)
        self.pushButton_2.setText(_translate("MainWindow", "关闭"))
        self.pushButton_2.clicked.connect(self.port_close)
        self.pushButton_3.setText(_translate("MainWindow", "检测串口"))
        self.pushButton_3.clicked.connect(self.port_cheak)
        self.label_11.setText(_translate("MainWindow", "状 态："))
        self.label_12.setText(_translate("MainWindow", "串口状态"))
        self.groupBox_2.setTitle(_translate("MainWindow", "接收区"))
        self.groupBox_3.setTitle(_translate("MainWindow", "发送区"))
        self.checkBox.setText(_translate("MainWindow", "Hex显示"))
        self.checkBox_2.setText(_translate("MainWindow", "Hex发送"))
        self.pushButton_4.setText(_translate("MainWindow", "清除"))
        self.pushButton_4.clicked.connect(self.clean_data)
        self.pushButton_5.setText(_translate("MainWindow", "发送"))
        self.pushButton_5.clicked.connect(self.send_data)
    def port_open(self):
        self.ser.port = self.comboBox_4.currentText()
        self.ser.baudrate = int(self.lineEdit_3.text())
        self.ser.bytesize = int(self.comboBox.currentText()) 
        self.ser.stopbits = int(self.comboBox_3.currentText())
        self.ser.parity = self.comboBox_2.currentText()
        self.ser.open()
        if(self.ser.isOpen()):
            self.pushButton.setEnabled(False)
            self.label_12.setText("打开成功")
            self.t1 = threading.Thread(target=self.receive_data)
            self.t1.setDaemon(True)
            self.t1.start()
        else:
            self.label_12.setText("打开失败")
    def port_close(self):
        self.ser.close()
        if(self.ser.isOpen()):
            self.label_12.setText("关闭失败")
        else:
            self.pushButton.setEnabled(True)
            self.label_12.setText("关闭成功")
    def send_data(self):
        if(self.ser.isOpen()):
            if(self.checkBox_2.isChecked()):
                self.ser.write(binascii.a2b_hex(self.textEdit.toPlainText()))
            else:
                self.ser.write(self.textEdit.toPlainText().encode('utf-8'))
            self.label_12.setText("发送成功")
    #       self.ser.flushOutput()
        else:
            self.label_12.setText("发送失败")
    def receive_data(self):
        print("The receive_data threading is start")
        res_data = '' 
        num = 0
        while (self.ser.isOpen()):
            size = self.ser.inWaiting()
            if size:
                res_data = self.ser.read_all()
                if(self.checkBox.isChecked()):
                    self.textBrowser.append(binascii.b2a_hex(res_data).decode())
                else:
                    self.textBrowser.append(res_data.decode())
                self.textBrowser.moveCursor(QtGui.QTextCursor.End)
                self.ser.flushInput()               
                num +=1
                self.label_12.setText("接收："+str(num))
    def clean_data(self):
        self.textBrowser.setText("")
        self.label_12.setText("接收清空")
    def port_cheak(self):
        Com_List=[] 
        port_list = list(serial.tools.list_ports.comports())
        self.comboBox_4.clear()
        for port in port_list:
            Com_List.append(port[0])
            self.comboBox_4.addItem(port[0])
        if(len(Com_List) == 0):
            self.label_12.setText("没串口")
if __name__ == '__main__':
    app = QtWidgets.QApplication(sys.argv)
    MainWindow = QtWidgets.QMainWindow()
    ui = Ui_MainWindow()
    ui.setupUi(MainWindow) 
    MainWindow.show()
    sys.exit(app.exec_())

这是从一个CSDN前辈写的拿来用的，一些日子我也忘记了从哪里来的了…但是灯只能亮前三排…总之非常感谢前辈的分享～

---------------本文终---------------

文章作者:刘俊

最后更新:2019年02月22日 - 11:02

许可协议: 转载请保留原文链接及作者。

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