BasicInfo_Interface.py

import typing
from PyQt5 import QtCore
from PyQt5.QtCore import Qt,pyqtSignal,QTimer,QMutex
from PyQt5.QtGui import QPixmap,QPainter,QColor
from PyQt5.QtWidgets import QWidget,QApplication
from PyQt5 import QtWidgets
import sys

import UI

from COMDriver import EzCOM
from cushy_serial import CushySerial

from qfluentwidgets import Flyout,InfoBarIcon,MessageBox
import SV

class BasicInfoInterface(QWidget,UI.Ui_BasicInfo):
    def __init__(self,parent=None):
        super().__init__(parent=parent)
        self.setupUi(self)
        self.COMCombo.addItems(EzCOM().ports)
        self.RDCombo.addItems(SV.hRD.Devices)
        self.COMCombo.setCurrentIndex(0)
        self.RDCombo.setCurrentIndex(0)
        self.COMBtn.clicked.connect(self.COMBtnCB)
        self.ScanBtn.clicked.connect(self.ScanBtnCB)
        
        self.BoardCom.addItem('运算放大器测量')
        self.BoardCom.addItem('线性稳压器测量')
        self.BoardCom.addItem('音频部分')
        self.BoardCom.addItem('模拟电路课堂')
        self.BoardCom.currentIndexChanged.connect(lambda x :SV.setBoardID(x))
        self.RDBtn.clicked.connect(self.RDBtnCB)
        self.ImageLabel.resize(300,150)
        self.ImageLabel.setScaledContents(True)
        self.ImageLabel.setImage('./assets/yourDad.png')
        self.Timer = QTimer()
        self.Timer.timeout.connect(self.CheckDevice)
        self.Timer.start(2000)
        self.COMBtn.isPushed = False
        self.RDBtn.isPushed = False
        self.Mutex = QMutex()
    
    def CheckDevice(self):
        # print('hi')
        if SV.hMutex.tryLock(0) == True:
            self.Mutex.lock()
            if SV.huart.isOpen() == False:#串口断开
                self.COMCombo.setEnabled(True)
                if self.COMBtn.isPushed:
                    self.COMBtn.toggle()
                    self.COMBtn.isPushed = False
            if SV.hRD.isOpen == False:#雨珠设备断开
                SV.c.errSig.emit('RD')
                self.RDCombo.setEnabled(True)
                if self.RDBtn.isPushed:
                    self.RDBtn.toggle()
                    self.RDBtn.isPushed = False
            SV.hMutex.unlock()
            self.Mutex.unlock()
        else:
            pass
            
    def ScanBtnCB(self):
        if(SV.huart.isOpen()):
            pass
        else:
            self.COMCombo.clear()
            self.COMCombo.addItems(EzCOM().ports)
            self.COMCombo.setCurrentIndex(0)
        if SV.hRD.isOpen == True:
            pass
        else:
            self.RDCombo.clear()
            self.RDCombo.addItems(SV.hRD.Devices)
            self.RDCombo.setCurrentIndex(0)
        
    def RDBtnCB(self):
        self.Mutex.lock()
        if not self.RDBtn.isPushed:
            if SV.hRD.isOpen == True:
                pass
            else:
                SV.hRD.Connect(self.RDCombo.currentIndex())
                if SV.hRD.isOpen == True:
                    print('RDopensuccess')
                    self.RDBtn.isPushed = True
                    self.RDCombo.setEnabled(False)
                else:
                    print('RDopenfail')
                    self.RDBtn.toggle()
                    # self.
                    Flyout.create(
                        icon=InfoBarIcon.ERROR,
                        title="RD设备异常",
                        content="请检查连接以及串口是否被其他程序占用",
                        target=self.RDBtn,
                        parent=self,
                        isClosable=False
                    )
        else:
            self.RDBtn.isPushed = False
            SV.hRD.DisConnect()
            print('RDClosed')
            self.RDCombo.setEnabled(True)
        self.Mutex.unlock()


    
    def COMBtnCB(self):
        self.Mutex.lock()
        if not self.COMBtn.isPushed:
            try:
                # SV.COMconnect(EzCOM.cvtStr(self.COMCombo.currentText()))
                SV.huart.connect(EzCOM.cvtStr(self.COMCombo.currentText()),timeout=1)
                if(SV.huart.isOpen()):
                    print('COMopensuccess')
                    self.COMBtn.isPushed = True
                    self.COMCombo.setEnabled(False)
                else:
                    print('COMopenfail')
                    self.COMBtn.toggle()
            except Exception as r:
                self.COMBtn.toggle()
                print('error',r)
                Flyout.create(
                    icon=InfoBarIcon.ERROR,
                    title='串口异常',
                    content="请检查连接以及串口是否被其他程序占用",
                    target=self.COMBtn,
                    parent=self,
                    isClosable=False
                )
                # w = MessageBox('ok','hi',self)
                # w.exec()

        else:
            self.COMBtn.isPushed = False
            SV.huart.close()
            print('serClosed')
            self.COMCombo.setEnabled(True)
        # print(huart.isOpen)
        self.Mutex.unlock()
    

    
    
if __name__ == '__main__':
    
    QtWidgets.QApplication.setAttribute(QtCore.Qt.AA_EnableHighDpiScaling)

    app = QApplication(sys.argv)
    w = BasicInfoInterface()
    w.show()
    app.exec_()