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分类: Python/Ruby

2018-01-07 11:31:58

#

# -*- coding: utf-8 -*-
import binascii
import re
import sys


from PyQt5.Qt import *
from PyQt5.QtGui import QIcon, QFont
from PyQt5.QtSerialPort import QSerialPort, QSerialPortInfo
from PyQt5.QtWidgets import *
TITLE = "串口调试助手 V0.3 by fitsir"
ABOUT_TITLE = "修改记录 V0.2"
ABOUT_STRING = "V0.1\t2015-12-12: 完成基本功能\n"\
    "V0.2\t2016-06-06: 优化串口收发\n"\
    "V0.3\t2016-08-20: 串口能够接收中文\n"\
    "V0.4\t2016-09-03: 移植到PyQt5, 完成十六进制发送\n"\
    "V0.5\t2016-09-22: 串口接收中文OK, 串口十六进制收发OK\n"\
    "\n-------------------------------------------\n"\
    "Todo list:\n"




class PyQt_Serial(QWidget):


    def __init__(self, parent=None):
        super().__init__(parent)
        self.CreateItems()
        self.CreateLayout()
        self.CreateSignalSlot()


        self.setWindowTitle('串口调试助手 V0.4 by fitsir')
        self.setWindowIcon(QIcon('./icon.ico'))
        self.setFont(QFont('宋体', 9))


        self.sendCount = 0
        self.receiveCount = 0
        self.encoding = 'utf-8'
        self.updateTimer.start(100)


    def CreateItems(self):
        self.com = QSerialPort()


        self.comNameLabel = QLabel('串口号')
        self.comNameLabel.setFixedWidth(80)
        self.comNameCombo = QComboBox()
        self.on_refreshCom()


        self.comNameCombo.setFixedWidth(80)
        self.baudLabel = QLabel('波特率')
        self.baudLabel.setFixedWidth(80)
        self.baudCombo = QComboBox()
        self.baudCombo.addItems(
            ('9600', '19200', '115200', '250000', '1000000'))
        self.baudCombo.setEditable(True)
        self.baudCombo.setCurrentIndex(2)
        self.baudCombo.setFixedWidth(80)
        self.bupt = QLabel('')  # BUPT
        self.bupt.setFont(QFont('Arial', 40, italic=True))


        self.comencodingLabel = QLabel('串口编码')
#         self.comencodingCombo = QComboBox()
#         self.comencodingCombo.addItems(('UTF-8', 'GBK'))
        self.UTF8Button = QRadioButton('UTF-8')
        self.GBKButton = QRadioButton('GBK')
        self.encodingGroup = QButtonGroup()
        self.encodingGroup.addButton(self.UTF8Button, 0)
        self.encodingGroup.addButton(self.GBKButton, 1)
        self.UTF8Button.setChecked(True)
        self
        self.openButton = QPushButton('打开串口')
        self.openButton.setFixedWidth(80)
        self.closeButton = QPushButton('关闭串口')
        self.closeButton.setFixedWidth(80)
        self.clearReceivedButton = QPushButton('清除接收缓冲区')
        self.clearReceivedButton.setFixedWidth(165)
        self.stopShowingButton = QPushButton('停止显示')
        self.stopShowingButton.setFixedWidth(165)
        self.hexShowingCheck = QCheckBox('十六进制显示')
        self.hexShowingCheck.setFixedWidth(165)
        self.saveReceivedButton = QPushButton('保存显示数据')
        self.saveReceivedButton.setFixedWidth(165)
        self.openButton = QPushButton('打开串口')
        self.openButton.setFocus()
        self.openButton.setFixedWidth(80)
        self.closeButton = QPushButton('关闭串口')
        self.closeButton.setFixedWidth(80)
        self.refreshComButton = QPushButton('刷新串口')
        self.aboutButton = QPushButton('修改记录')
        self.aboutButton.setFixedWidth(80)
        self.aboutPyQtButton = QPushButton('关于PyQt5')
        self.aboutPyQtButton.setFixedWidth(80)


        self.receivedDataEdit = QPlainTextEdit()
        self.receivedDataEdit.setReadOnly(True)
        self.receivedDataEdit.setFont(QFont('Courier New', 11))


        self.inputEdit = QPlainTextEdit()
        self.inputEdit.setFixedHeight(70)
        self.inputEdit.setFont(QFont('Courier New', 11))
        self.sendButton = QPushButton('发送')
        self.sendButton.setFixedWidth(105)
        self.sendButton.setFixedHeight(70)
        self.hexSendingCheck = QCheckBox('十六进制发送')
        self.timerSendCheck = QCheckBox('定时发送   发送周期(毫秒)')
        self.timerPeriodEdit = QLineEdit('1000')
        self.spacer = QSpacerItem(
            40, 20, QSizePolicy.Expanding, QSizePolicy.Minimum)
        self.clearInputButton = QPushButton('清空重填')
        self.clearCouterButton = QPushButton('计数清零')


        self.comStatus = QLabel('串口状态:COM  关闭')
        self.sendCountLabel = QLabel('发送计数:0')
        self.receiveCountLabel = QLabel('接收计数:0')


        self.sendTimer = QTimer()
        self.updateTimer = QTimer()


        self.closeButton.setEnabled(False)
        self.sendButton.setEnabled(False)


    def CreateLayout(self):
        self.mainLayout = QGridLayout()


        self.mainLayout.addWidget(self.comNameLabel, 0, 0)
        self.mainLayout.addWidget(self.comNameCombo, 0, 1)
        self.mainLayout.addWidget(self.baudLabel, 1, 0)
        self.mainLayout.addWidget(self.baudCombo, 1, 1)
        self.mainLayout.addWidget(self.comencodingLabel, 2, 0)
#         self.mainLayout.addWidget(self.comencodingCombo, 2, 1)
        self.mainLayout.addWidget(self.UTF8Button, 3, 0)
        self.mainLayout.addWidget(self.GBKButton, 3, 1)
        self.mainLayout.addWidget(self.openButton, 5, 0)
        self.mainLayout.addWidget(self.closeButton, 5, 1)
        self.mainLayout.addWidget(self.refreshComButton, 6, 0, 1, 2)
        self.mainLayout.addWidget(self.clearReceivedButton, 7, 0, 1, 2)
        self.mainLayout.addWidget(self.stopShowingButton, 8, 0, 1, 2)
        self.mainLayout.addWidget(self.hexShowingCheck, 9, 0, 1, 2)
        self.mainLayout.addWidget(self.saveReceivedButton, 10, 0, 1, 2)
        self.mainLayout.addWidget(self.aboutButton, 11, 0)
        self.mainLayout.addWidget(self.aboutPyQtButton, 11, 1)


        self.mainLayout.addWidget(self.receivedDataEdit, 0, 2, 12, 6)


        self.mainLayout.addWidget(self.inputEdit, 12, 0, 1, 7)
        self.mainLayout.addWidget(self.sendButton, 12, 7)
        self.mainLayout.addWidget(self.hexSendingCheck, 13, 0, 1, 2)
        self.mainLayout.addWidget(self.timerSendCheck, 13, 2, 1, 2)
        self.mainLayout.addWidget(self.timerPeriodEdit, 13, 4)
        self.mainLayout.addItem(self.spacer, 13, 5)
        self.mainLayout.addWidget(self.clearInputButton, 13, 6)
        self.mainLayout.addWidget(self.clearCouterButton, 13, 7)
        self.mainLayout.addWidget(self.comStatus, 14, 0, 1, 3)
        self.mainLayout.addWidget(self.sendCountLabel, 14, 4, 1, 2)
        self.mainLayout.addWidget(self.receiveCountLabel, 14, 6, 1, 2)
        self.mainLayout.setSpacing(5)


        self.setLayout(self.mainLayout)
        self.setFixedSize(700, self.height())


    def CreateSignalSlot(self):
        self.openButton.clicked.connect(self.on_openSerial)  # 打开串口
        self.closeButton.clicked.connect(self.on_closeSerial)  # 关闭串口
        self.com.readyRead.connect(self.on_receiveData)  # 接收数据
        self.sendButton.clicked.connect(self.on_sendData)  # 发送数据
        self.refreshComButton.clicked.connect(self.on_refreshCom)  # 刷新串口状态
        self.aboutButton.clicked.connect(self.on_aboutButton)  # 修改记录
        self.aboutPyQtButton.clicked.connect(self.on_aboutPyQtButton)  # 关于PyQt
        self.clearInputButton.clicked.connect(self.inputEdit.clear)  # 清空输入
        self.clearReceivedButton.clicked.connect(
            self.receivedDataEdit.clear)  # 清空接收
        self.stopShowingButton.clicked.connect(self.on_stopShowing)  # 停止显示
        self.clearCouterButton.clicked.connect(self.on_clearCouter)  # 清空计数


        self.saveReceivedButton.clicked.connect(
            self.on_saveReceivedData)  # 保存数据


        self.timerSendCheck.clicked.connect(self.on_timerSendChecked)  # 定时发送开关
        self.sendTimer.timeout.connect(self.on_sendData)  # 定时发送


        self.updateTimer.timeout.connect(self.on_updateTimer)  # 界面刷新
        self.hexShowingCheck.stateChanged.connect(
            self.on_hexShowingChecked)  # 十六进制显示
        self.timerPeriodEdit.textChanged.connect(self.on_timerSendChecked)
        self.UTF8Button.clicked.connect(self.on_setEncoding)
        self.GBKButton.clicked.connect(self.on_setEncoding)


        self.hexSendingCheck.stateChanged.connect(
            self.on_hexSendingChecked)  # 十六进制发送


    def on_refreshCom(self):
        self.comNameCombo.clear()
        com = QSerialPort()
        for info in QSerialPortInfo.availablePorts():
            com.setPort(info)
            if com.open(QSerialPort.ReadWrite):
                self.comNameCombo.addItem(info.portName())
                com.close()


    def on_setEncoding(self):
        if self.encodingGroup.checkedId() == 0:
            self.encoding = 'utf-8'
        else:
            self.encoding = 'gbk'


    def on_openSerial(self):
        comName = self.comNameCombo.currentText()
        comBaud = int(self.baudCombo.currentText())
        self.com.setPortName(comName)


        try:
            if self.com.open(QSerialPort.ReadWrite) == False:
                QMessageBox.critical(self, '严重错误', '串口打开失败')
                return
        except:
            QMessageBox.critical(self, '严重错误', '串口打开失败')
            return


        self.com.setBaudRate(comBaud)
        if self.timerSendCheck.isChecked():
            self.sendTimer.start(int(self.timerPeriodEdit.text()))


        self.openButton.setEnabled(False)
        self.closeButton.setEnabled(True)
        self.comNameCombo.setEnabled(False)
        self.baudCombo.setEnabled(False)
        self.sendButton.setEnabled(True)
        self.refreshComButton.setEnabled(False)
        self.comStatus.setText('串口状态:%s  打开   波特率 %s' % (comName, comBaud))


    def on_closeSerial(self):
        self.com.close()
        self.openButton.setEnabled(True)
        self.closeButton.setEnabled(False)
        self.comNameCombo.setEnabled(True)
        self.baudCombo.setEnabled(True)
        self.sendButton.setEnabled(False)
        self.comStatus.setText('串口状态:%s  关闭' % self.com.portName())
        if self.sendTimer.isActive():
            self.sendTimer.stop()


    def on_timerSendChecked(self):
        if self.com.isOpen():
            if self.timerSendCheck.isChecked():
                self.sendTimer.start(int(self.timerPeriodEdit.text()))
            else:
                self.sendTimer.stop()
        return


    def on_stopShowing(self):
        if self.stopShowingButton.text() == '停止显示':
            self.stopShowingButton.setText('继续显示')
        else:
            self.stopShowingButton.setText('停止显示')


    def on_clearCouter(self):
        self.sendCount = 0
        self.receiveCount = 0
        pass


    def on_updateTimer(self):
        self.sendCountLabel.setText('发送计数:%d' % self.sendCount)
        self.receiveCountLabel.setText('接收计数:%d' % self.receiveCount)
        pass


    def on_sendData(self):
        txData = self.inputEdit.toPlainText()
        if len(txData) == 0:
            return
        if self.hexSendingCheck.isChecked():


            s = txData.replace(' ', '')
            if len(s) % 2 == 1:  # 如果16进制不是偶数个字符,去掉最后一个
                QMessageBox.critical(self, '错误', '十六进制数不是偶数个')
                return
#             pattern = re.compile('[^0-9a-fA-F]')
#             r = pattern.findall(s)
#             if len(r) != 0:
#                 QMessageBox.critical(self, '错误', '包含非十六进制数')
#                 return


            if not s.isalnum():
                QMessageBox.critical(self, '错误', '包含非十六进制数')
                return


            try:
                hexData = binascii.a2b_hex(s)
            except:
                QMessageBox.critical(self, '错误', '转换编码错误')
                return


            try:
                n = self.com.write(hexData)
            except:
                QMessageBox.critical(self, '异常', '十六进制发送错误')
                return
        else:
            n = self.com.write(txData.encode(self.encoding, "ignore"))
        self.sendCount += n


    def on_receiveData(self):
        try:
            '''将串口接收到的QByteArray格式数据转为bytes,并用gkb或utf8解码'''
            receivedData = bytes(self.com.readAll())
        except:
            QMessageBox.critical(self, '严重错误', '串口接收数据错误')
        if len(receivedData) > 0:
            self.receiveCount += len(receivedData)
            if self.stopShowingButton.text() == '停止显示':
                if self.hexShowingCheck.isChecked() == False:
                    receivedData = receivedData.decode(self.encoding, 'ignore')
                    self.receivedDataEdit.insertPlainText(receivedData)
                else:
                    data = binascii.b2a_hex(receivedData).decode('ascii')
                    pattern = re.compile('.{2,2}')
                    hexStr = ' '.join(pattern.findall(data)) + ' '
                    self.receivedDataEdit.insertPlainText(hexStr.upper())


    def on_hexShowingChecked(self):
        self.receivedDataEdit.insertPlainText('\n')


    def on_hexSendingChecked(self):
        if self.hexSendingCheck.isChecked():
            data = self.inputEdit.toPlainText().upper()
            self.inputEdit.clear()
            self.inputEdit.insertPlainText(data)


    def on_saveReceivedData(self):
        fileName, fileType = QFileDialog.getSaveFileName(
            self, '保存数据', 'data', "文本文档(*.txt);;所有文件(*.*)")
        print('Save file', fileName, fileType)


        writer = QTextDocumentWriter(fileName)
        writer.write(self.receivedDataEdit.document())


    def on_aboutButton(self):
        QMessageBox.about(self, ABOUT_TITLE, ABOUT_STRING)


    def on_aboutPyQtButton(self):
        QMessageBox.aboutQt(self)


if __name__ == '__main__':
    app = QApplication(sys.argv)
    win = PyQt_Serial()
    win.show()
    app.exec_()
    app.exit()
    
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