增加串口断开重连功能。保存数据COM号在最前
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@ -274,7 +274,7 @@ class PyQt5Serial(QtWidgets.QWidget,Ui_UartAssistant):
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#日志保存
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# 格式化日期时间字符串,用于文件名
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# 例如:2024-05-28_12-34-56.txt
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self.file =time.strftime("%Y%m%d%H%M%S", time.localtime())+self.ser.port
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self.file = self.ser.port+"-"+time.strftime("%Y%m%d%H%M%S", time.localtime())
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self.filename = self.file + ".txt"
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@ -293,7 +293,10 @@ class PyQt5Serial(QtWidgets.QWidget,Ui_UartAssistant):
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if num>0 :
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#print("接收数据",datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S.%f"))
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try:
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data = self.ser.read(num)
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except:
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QMessageBox.critical(self, '串口异常')
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self.buffer+=data
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#print("接收完成",datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S.%f"))
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@ -337,9 +340,28 @@ class PyQt5Serial(QtWidgets.QWidget,Ui_UartAssistant):
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except:
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QMessageBox.critical(self, '串口异常', '串口接收数据异常,请重新连接设备!')
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self.port_close()
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return None
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# QMessageBox.critical(self, '串口异常', '串口接收数据异常,请重新连接设备!')
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# 获取到text光标
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textCursor = self.textEditReceive.textCursor()
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# 滚动到底部
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textCursor.movePosition(textCursor.End)
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# 设置光标到text中去
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self.textEditReceive.setTextCursor(textCursor)
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self.textEditReceive.insertPlainText("串口断开,重连中...\r\n")
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self.ser.close()
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try:
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print("重连中...")
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time.sleep(1)
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if not self.ser.is_open:
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self.ser.open()
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print("重连成功")
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else:
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print("串口已连接,无需重连")
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except Exception as e:
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print(f"重连失败{e}")
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# %%定时发送数据
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