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179 lines
5.5 KiB
179 lines
5.5 KiB
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from serial.serialutil import SerialTimeoutException
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from all_ui.uart import Ui_MainWindow as pyui
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import serial
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import serial.tools.list_ports
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import time
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from PySide6.QtCore import QTimer
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A=0
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currentcom=""
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class UI(pyui):
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def __init__(self):
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global current_com
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# 从文件中加载UI定义
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super().__init__()
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self.setupUi(self)
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self.__portlist=[]
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#表示每1ms做一次receivedata当然需要用启动按钮来启动接收
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self.time=QTimer()
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self.time.setInterval(50)
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self.time.timeout.connect(self.receive_data)
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#每4s就读取一次端口号
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self.time1 = QTimer()
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self.time1.setInterval(4000)
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self.time1.timeout.connect(self.read_com)
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self.time1.start()
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#初始化端口列表
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self.comboBox_2.addItems(self.get_com_list())
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self.ser=serial.Serial()
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#初始化端口
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self.ser.port=self.comboBox_2.currentText()
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#初始化波特率
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self.ser.baudrate=int(self.comboBox.currentText())
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self.ser.bytesize=int(self.comboBox_6.currentText()) #每个数据包的字节数
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self.ser.timeout = 1 # 设置超时时间为1秒
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#四个按钮
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self.Button1.clicked.connect(self.button1_clicked)
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self.Button2.clicked.connect(self.button2_clicked)
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self.Button3.clicked.connect(self.button3_clicked)
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self.Button4.clicked.connect(self.button4_clicked)
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self.comboBox.currentTextChanged.connect(self.comboBoxchange)
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self.comboBox_2.currentTextChanged.connect(self.comboBox_2change)
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self.comboBox_3.currentTextChanged.connect(self.comboBox_3change)
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self.comboBox_4.currentTextChanged.connect(self.comboBox_4change)
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self.comboBox_5.currentTextChanged.connect(self.comboBox_5change)
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self.comboBox_6.currentTextChanged.connect(self.comboBox_6change)
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#button1为开始接收
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def button1_clicked(self):
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#接收区的文本框
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global A
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if A==0:
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A=1
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else:
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A=0
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if A==1:
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try:
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if not self.ser.is_open:
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self.ser.open()
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self.ser.read(10)
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except SerialTimeoutException:
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# 处理串口通信超时异常
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self.plainTextEdit.insertPlainText("未检测到此端口有任何设备")
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self.ser.close()
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else:
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self.ser.close()
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self.ser.open()
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self.time.start()
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else:
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self.ser.close()
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self.time.stop()
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#将发送区的东西发出去
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def button2_clicked(self):
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# 打开串口
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if not self.ser.is_open:
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self.ser.open()
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# 清空输入缓冲区和输出缓冲区
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# self.ser.reset_input_buffer()
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# self.ser.reset_output_buffer()
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# 将文本通过串口发送
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self.ser.write(self.plainTextEdit_2.toPlainText().encode('utf-8')) # 将字符串转换为字节流并发送
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# 关闭串口
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self.ser.close()
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pass
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#清空接收区succ
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def button3_clicked(self):
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self.plainTextEdit.clear()
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#清空发送区succ
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def button4_clicked(self):
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self.plainTextEdit_2.clear()
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def receive_data(self):
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# num = self.ser.in_waiting
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# if num > 0:
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time.sleep(0.1)
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num = self.ser.in_waiting
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# 延时，再读一次数据，确保数据完整性
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data = self.ser.read(num)
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try:
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self.plainTextEdit.insertPlainText(str(self.ser.read(num),'utf-8'))
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except UnicodeDecodeError:
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self.plainTextEdit.insertPlainText("波特率不对")
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self.ser.flush()
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pass
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def get_com_list(self):
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com_dev_list = tuple(serial.tools.list_ports.comports())
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if not com_dev_list:
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self.__portlist = []
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else:
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self.__portlist = [i.name for i in com_dev_list]
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return self.__portlist
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#动态读取目前的端口号succ
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def read_com(self):
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global currentcom
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currentcom=self.comboBox_2.currentText()
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if A==1:
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self.time.stop()
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self.ser.close()
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self.comboBox_2.clear()
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self.comboBox_2.addItems(self.get_com_list())
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self.comboBox_2.setCurrentText(currentcom)
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self.ser.port = self.comboBox_2.currentText()
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if A==1:
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self.ser.open()
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self.time.start()
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#波特率succ
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def comboBoxchange(self):
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self.ser.baudrate=int(self.comboBox.currentText())
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#端口号succ
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def comboBox_2change(self):
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self.ser.port=self.comboBox_2.currentText()
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#是否启用数据流控succ
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def comboBox_3change(self):
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if self.comboBox_3.currentText() == 'None':
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self.ser.xonxoff=False
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self.ser.dsrdtr=False
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self.ser.rtscts=False
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elif self.comboBox_3.currentText() == 'soft':
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self.ser.xonxoff = True
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self.ser.dsrdtr = False
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self.ser.rtscts = False
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else:
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self.ser.xonxoff = False
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self.ser.dsrdtr = True
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self.ser.rtscts = True
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pass
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#设置校验位succ
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def comboBox_4change(self):
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self.ser.parity=self.comboBox_4.currentText()
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#设置停止位succ
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def comboBox_5change(self):
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self.ser.stopbits = int(self.comboBox_5.currentText())
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#设置一帧数据的长度一般默认为8succ
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def comboBox_6change(self):
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self.ser.bytesize=int(self.comboBox_6.currentText()) |