基于QT和周立功CAN卡开发的一种上位机软件

 #include "mainwindow.h" #include "ui_mainwindow.h" #include "Windows.h" #include <QMessageBox> #include <QDebug> #include "ControlCAN.h" #include "QDateTime" MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWindow) { ui->setupUi(this); // 创建线程 thread = new QThread(this); // 不指定父对象 CanDeal = new MyThread; CanDeal->moveToThread(thread); //如果线程没开启就开启线程 if(thread->isRunning() == false) thread->start(); connect(thread,&QThread::finished,CanDeal,&MyThread::deleteLater); connect(ui->connectionBtn, &QPushButton::clicked, CanDeal, &MyThread::ReceiveCanData,Qt::QueuedConnection); connect(CanDeal,&MyThread::ThreadSendCanData,this,&MainWindow::ReceiveThreadDataAndShow,Qt::QueuedConnection); ui->connectionBtn->setEnabled(true); ui->interruptBtn->setEnabled(false); ui->tableWidget->setColumnCount(6);//设置列数，不设置行数，行数动态增加 // ui->tableWidget->horizontalHeader() ui->tableWidget->setHorizontalHeaderLabels(QStringList()<<"时间"<<"帧ID"<<"帧格式"<<"帧类型"<<"数据长度"<<"数据(HEX)"); // ui->tableWidget->horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch); ui->tableWidget->setEditTriggers(QAbstractItemView::NoEditTriggers);//禁止修改表格中内容 ui->tableWidget->setColumnWidth(0,170);//设置第1列的宽度 ui->tableWidget->setColumnWidth(1,70);//设置第1列的宽度 ui->tableWidget->setColumnWidth(2,70);//设置第3列的宽度 ui->tableWidget->setColumnWidth(3,70);//设置第4列的宽度 ui->tableWidget->setColumnWidth(4,90);//设置第5列的宽度 ui->tableWidget->setColumnWidth(5,530);//设置第6列的宽度 } MainWindow::~MainWindow() { if(thread->isRunning() == true) { CanDeal->CloseThread(true); // thread->terminate(); delete CanDeal; if(thread->isRunning() == true) { qDebug()<<"thread is not quit !!!:"; } thread->requestInterruption(); thread->quit(); thread->wait(); } if(thread->isRunning() == true) { qDebug()<<"thread is running!!!:"; } else { qDebug()<<"thread is finished normally"; } qDebug()<<"~MainWindow:"; delete ui; } void MainWindow::on_connectionBtn_clicked() { if(0==ui->comboBox->currentIndex()) { nDeviceType = VCI_USBCAN2;//选择设备的类型 } else if(1==ui->comboBox->currentIndex()) { nDeviceType = VCI_USBCAN_2E_U;//选择设备的类型 } else { QMessageBox::warning(this,"失败","设备类型有误"); return; } qDebug()<<"设备类型:"<<nDeviceType; if(0==ui->comboBox_4->currentIndex()) { nDeviceInd = 0;//设备索引号 } else if(1==ui->comboBox_4->currentIndex()) { nDeviceInd = 1;//设备索引号 } else if(2==ui->comboBox_4->currentIndex()) { nDeviceInd = 2;//设备索引号 } else if(3==ui->comboBox_4->currentIndex()) { nDeviceInd = 3;//设备索引号 } else { QMessageBox::warning(this,"失败","错误的设备索引号"); return; } qDebug()<<"设备索引号:"<<nDeviceInd; if(0==ui->comboBox_2->currentIndex()) { nCANInd = 0;//设备通道号 } else if(1==ui->comboBox_2->currentIndex()) { nCANInd = 1;//设备通道号 } else if(2==ui->comboBox_2->currentIndex()) { nCANInd = 2;//设备通道号 } else { QMessageBox::warning(this,"失败","通道号有误"); return; } qDebug()<<"设备通道号:"<<nCANInd; dwRel=VCI_OpenDevice(nDeviceType,nDeviceInd,nReserved);//打开CAN设备函数 qDebug()<<"打开CAN设备:"<<dwRel; if(0==ui->comboBox_3->currentIndex()) { VCI_INIT_CONFIG initConfig; memset (&initConfig,0,sizeof(initConfig)); initConfig.AccMask=0xFFFFFFFF; initConfig.Mode=0; initConfig.Timing0=0x01; initConfig.Timing1=0x1c; dwRel= VCI_InitCAN(nDeviceType,nDeviceInd,nCANInd,&initConfig);//初始化CAN设备 qDebug()<<"设置波特率:250kbps"<<dwRel; } else if(1==ui->comboBox_3->currentIndex()) { VCI_INIT_CONFIG initConfig; memset (&initConfig,0,sizeof(initConfig)); initConfig.AccMask=0xFFFFFFFF; initConfig.Mode=0; initConfig.Timing0=0x00; initConfig.Timing1=0x1c; DWORD DATA=0X060007; dwRel=VCI_SetReference( nDeviceType, nDeviceInd, nCANInd,0, (PVOID)&DATA); qDebug()<<"0设置波特率:500kbps"<<dwRel; dwRel= VCI_InitCAN(nDeviceType,nDeviceInd,nCANInd,&initConfig);//初始化CAN设备 qDebug()<<"1设置波特率:500kbps"<<dwRel; } else { QMessageBox::warning(this,"失败","错误的波特率"); return; } dwRel = VCI_StartCAN(nDeviceType,nDeviceInd,nCANInd);//启动CAN设备 qDebug()<<"启动CAN设备:"<<dwRel; if(dwRel !=STATUS_OK) { VCI_CloseDevice(nDeviceType, nDeviceInd);//关闭CAN设备 QMessageBox::warning(this,"失败","启动can失败"); return; } ui->connectionBtn->setEnabled(false); ui->interruptBtn->setEnabled(true); #if 0// 以下是自己调试测试发送和接收can数据 VCI_CAN_OBJ pSend; pSend.ID=0x764; pSend.Data[0]=02; pSend.Data[1]=0x10; pSend.Data[2]=01; pSend.DataLen=8; pSend.SendType=0; pSend.ExternFlag=0; for(int i=3;i<pSend.DataLen;i++) { pSend.Data[i]=0XAA; } qDebug()<<nDeviceType<<nDeviceInd<<nCANInd; if( VCI_Transmit(nDeviceType,nDeviceInd, nCANInd, &pSend, 1)!=1) { qDebug()<<"VCI_Transmit error"; bRel = VCI_ResetCAN(nDeviceType, nDeviceInd, nCANInd); bRel =VCI_CloseDevice(nDeviceType,nDeviceInd); } else { qDebug()<<"VCI_Transmit success"; } DWORD lenth = VCI_GetReceiveNum(nDeviceType,nDeviceInd,nCANInd); qDebug()<<"lenth"<<lenth; if(lenth) { VCI_CAN_OBJ frameinfo[lenth]; DWORD len = VCI_Receive(nDeviceType,nDeviceInd,nCANInd,&frameinfo[0],10,5000); if(len>0) { for(DWORD i=0;i<len;i++) { qDebug()<<"Received success"<<frameinfo[i].ID<<len; } } else qDebug()<<"Received error"<<len; } #endif } void MainWindow::on_interruptBtn_clicked() { bRel = VCI_ResetCAN(nDeviceType, nDeviceInd, nCANInd); bRel =VCI_CloseDevice(nDeviceType,nDeviceInd); ui->connectionBtn->setEnabled(true); ui->interruptBtn->setEnabled(false); } void MainWindow::ReceiveThreadDataAndShow(QString strCANID, QString strFormat, QString strType, QString strLen, QString strData) { //获得系统当前时间 QDateTime time = QDateTime::currentDateTime(); QString strTime = time.toString("yyyy-MM-dd hh:mm:ss"); int row; row = ui->tableWidget->rowCount();//获取当前表格中行数 ui->tableWidget->insertRow(row);//在当前表格后插入一空行 ui->tableWidget->setItem(row,0,new QTableWidgetItem(strTime));//给表格添加时间戳 ui->tableWidget->setItem(row,1,new QTableWidgetItem(strCANID));//给表格添加ID ui->tableWidget->item(row,1)->setTextAlignment(Qt::AlignHCenter | Qt::AlignVCenter);//水平竖直居中 ui->tableWidget->setItem(row,2,new QTableWidgetItem(strFormat));//给表格添加帧格式（数据帧还是远程帧） ui->tableWidget->item(row,2)->setTextAlignment(Qt::AlignHCenter | Qt::AlignVCenter);//水平竖直居中 ui->tableWidget->setItem(row,3,new QTableWidgetItem