#
# -*- 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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