qt平台下诺达佳工控机二次开发实例分享（For IO & Light Control）

文章目录

- qt平台下诺达佳工控机二次开发实例分享（For IO & Light Control）
前言
一、编程环境
二、控制步骤
三.头文件
程序文件
程序界面
总结

前言

点击查看本文源码

提示：以下是本篇文章正文内容，下面案例可供参考

一、编程环境

qt5.1.1+vs2017

二、控制步骤

三.头文件

DIOandLightControl .h：


class DIOandLightControl : public QObject
{
    Q_OBJECT
public:
    explicit DIOandLightControl(QObject *parent = nullptr);

signals:

     void signalComOpenCB(unsigned short portNum,
         unsigned char  ucHardwareMajorVer,
         unsigned char  ucHardwareMinorVer,
         unsigned char  ucHardwareRevVer,
         unsigned char  ucFirmwareMajorVer,
         unsigned char  ucFirmwareMinorVer,
         unsigned char  ucFirmwareRevVer,
         unsigned char ucError,
         unsigned int uiErrorId);
     void ReadResult_DI(BYTE DI,bool state);//将读取输入结果发送给主线程mainwindow
     void openprocess();
     void workWarn(QString);

private:
     static  void ComOpenCB(LC_CALLBACK_ARG_T Arg);
     static  void  VerInfo (LC_CALLBACK_ARG_T Arg);//功能块执行后调用的程序块，理解为回调函数


public:
    HMODULE          hDIO;//设备句柄

    DIOLC_LibraryBaseInit_t DIOLC_LibraryBaseInit;//初始化，成功return 1
    DIOLC_LibraryBaseDeinit_t   DIOLC_LibraryBaseDeinit;//取消初始化，成功return 1
    DIOLC_Process_t DIOLC_Process;//后台服务进程
    DIOLC_OpenDevice_t   DIOLC_OpenDevice;//控制板连接，成功return 除-1外其他数
    DIOLC_CloseDevice_t  DIOLC_CloseDevice;//取消连接，成功return 除-1外其他数
    DIOLC_IsDeviceOpened_t DIOLC_IsDeviceOpened;//检查控制板是否连接，成功return 1

    LC_SetPwmParams_t LC_SetPwmParams;//设置光源控制参数
    LC_GetPwmParams_t LC_GetPwmParams;//读取当前光源参数

    DIOLC_GetGeneralParam_t DIOLC_GetGeneralParam;//读取设备参数
    DIOLC_SetGeneralParam_t DIOLC_SetGeneralParam;//设置设备参数

   // DIO functions
   //读取输入状态
    DIO_PollingReadDiBit_t DIO_PollingReadDiBit;
    DIO_PollingReadDiByte_t DIO_PollingReadDiByte;
    DIO_PollingReadDiWord_t DIO_PollingReadDiWord;
   //控制输出
    DIO_PollingWriteDoBit_t DIO_PollingWriteDoBit;
    DIO_PollingWriteDoByte_t DIO_PollingWriteDoByte;
    DIO_PollingWriteDoWord_t DIO_PollingWriteDoWord;
    bool opendevice();
    bool initSetting();
public slots:
    void ioopen();
    void ioopen_two();
    void lightconne();
    void press();
    void ReadDI(BYTE diByteIndex, BYTE diBitIndex);
    void WriteDO(BYTE doByteIndex, BYTE doBitIndex, BYTE doBitValue);
    void SetLightcH(int ChIdx,int triggermode,int lightvalue,int holdingtime,int softonoff);
    void disconnectlight();
}

MainWindow.h：

class MainWindow;
}

class MainWindow : public QMainWindow
{
    Q_OBJECT
    
public:
    explicit MainWindow(QWidget *parent = 0);
    ~MainWindow();
    void RecevieResult_ReadDI(BYTE DI,bool result);
    void RecevieWarnMessage(QString);
signals:
    void connectio();
    void apply_ReadDI(BYTE diByteIndex, BYTE diBitIndex);//发送读DI指令信号，参数diByteIndex输入0，参数diBitIndex为读取的通道，如读取DI0,则输入apply_ReadDI（0，0）
    void apply_WriteDO(BYTE doByteIndex, BYTE doBitIndex, BYTE doBitValue);//发送写DO指令信号，参数doByteIndex输入0，参数doBitIndex为写入的通道，
    // 参数doBitValue为写入的状态，如置位DO0，apply_WriteDO（0，0，0）
    void SetLightControlPara(int ChIdx, int triggermode,
                             int lightvalue, int holdingtime, int softonoff); //CHIDx 表示光源通道
    //ch0:0x01 ch1:0x02,ch2:0x04,ch3:0x08
    //triggermode 触发模式  0：软触发，1：高电平触发，2：上升沿触发延时关断
    //lightvalue  光源亮度 设置值：0-100
    //holdingtime 上升沿触发模式下的延时时间，单位：s ，输入0-60整数，高电平触发时设置0
    //softonoff   软触发开关
    void lightconnect();
    void closelightconnect();
private slots:
    void on_pushButton_clicked();
    int lightchannel(int index);
    void on_DIAutotext_clicked();
    void ApplyDI();
    void DIresultdisp();
    void on_DOall_clicked(); 
    void on_DOOUT0_clicked();
    void on_DOOUT1_clicked();
    void on_DOOUT2_clicked();
    void on_DOOUT3_clicked();
    void on_DOOUT4_clicked();
    void on_DOOUT5_clicked();
    void on_DOOUT6_clicked();
    void on_DOOUT7_clicked();
    void on_pushButton_4_clicked();    
    void on_pushButton_2_clicked();    
    void on_mode_currentIndexChanged(int index);
    void on_pushButton_3_clicked();
    
private:
    Ui::MainWindow *ui;
    void initUI();
    void initIO();
    DIOandLightControl * ioandlight;
    QThread *iothread;
    
    DIOandLightControl * ioandlight_ReadAndWrite;
    QThread *iothread_ReadAndWrite;
    
    QTimer *DItexttimer ;
    bool DIresult[8];
    bool softtrigger;
    
};

程序文件

dioandlightcontrol.cpp：

DIOandLightControl::DIOandLightControl(QObject *parent) : QObject(parent)
{
    qRegisterMetaType<BYTE>("BYTE");
}


void DIOandLightControl::ComOpenCB(LC_CALLBACK_ARG_T Arg)
{
    
    
}

void DIOandLightControl::VerInfo(LC_CALLBACK_ARG_T Arg)
{
    
}

//读取环境变量
bool DIOandLightControl::opendevice()
{
    hDIO = GetModuleHandle(TEXT("./NKIOLCLIBx64.dll"));
    if (hDIO == NULL)
    {
        hDIO = LoadLibrary(TEXT("./NKIOLCLIBx64.dll"));
    }
    if (hDIO == NULL)
    {
        return false;
    }
    else
    {
        return true;
    }
}

//IO及光源部分函数初始化、导入配置文件
bool DIOandLightControl::initSetting()
{
    DIOLC_LibraryBaseInit = (DIOLC_LibraryBaseInit_t)GetProcAddress(hDIO, "DIOLC_LibraryBaseInit");
    DIOLC_LibraryBaseDeinit = (DIOLC_LibraryBaseDeinit_t)GetProcAddress(hDIO, "DIOLC_LibraryBaseDeinit");
    DIOLC_Process = (DIOLC_Process_t)GetProcAddress(hDIO, "DIOLC_Process");
    DIOLC_OpenDevice = (DIOLC_OpenDevice_t)GetProcAddress(hDIO, "DIOLC_OpenDevice");
    DIOLC_CloseDevice = (DIOLC_CloseDevice_t)GetProcAddress(hDIO, "DIOLC_CloseDevice");
    DIOLC_IsDeviceOpened = (DIOLC_IsDeviceOpened_t)GetProcAddress(hDIO, "DIOLC_IsDeviceOpened");
    LC_GetVerInfo = (LC_GetVerInfo_t)GetProcAddress(hDIO, "LC_GetVerInfo");
    LC_SetPwmParams = (LC_SetPwmParams_t)GetProcAddress(hDIO, "LC_SetPwmParams");
    LC_GetPwmParams = (LC_GetPwmParams_t)GetProcAddress(hDIO, "LC_GetPwmParams");
    DIOLC_GetGeneralParam = (DIOLC_GetGeneralParam_t)GetProcAddress(hDIO, "DIOLC_GetGeneralParam");
    DIOLC_SetGeneralParam = (DIOLC_SetGeneralParam_t)GetProcAddress(hDIO, "DIOLC_SetGeneralParam");
    
    // DIO functions
    DIO_PollingReadDiBit = (DIO_PollingReadDiBit_t)GetProcAddress(hDIO, "DIO_PollingReadDiBit");
    DIO_PollingReadDiByte = (DIO_PollingReadDiByte_t)GetProcAddress(hDIO, "DIO_PollingReadDiByte");
    DIO_PollingReadDiWord = (DIO_PollingReadDiWord_t)GetProcAddress(hDIO, "DIO_PollingReadDiWord");
    DIO_PollingWriteDoBit = (DIO_PollingWriteDoBit_t)GetProcAddress(hDIO, "DIO_PollingWriteDoBit");
    DIO_PollingWriteDoByte = (DIO_PollingWriteDoByte_t)GetProcAddress(hDIO, "DIO_PollingWriteDoByte");
    DIO_PollingWriteDoWord = (DIO_PollingWriteDoWord_t)GetProcAddress(hDIO, "DIO_PollingWriteDoWord" );
    
    if ((NULL != DIOLC_LibraryBaseInit)
            && (NULL != DIOLC_LibraryBaseDeinit)
            && (NULL != DIOLC_Process)
            && (NULL != DIOLC_OpenDevice)
            && (NULL != DIOLC_CloseDevice)
            && (NULL != DIOLC_IsDeviceOpened)
            && (NULL != LC_GetVerInfo)
            && (NULL != LC_SetPwmParams)
            && (NULL != LC_GetPwmParams)
            && (NULL != DIOLC_GetGeneralParam)
            && (NULL != DIOLC_SetGeneralParam)
            && (NULL != DIO_PollingReadDiBit)
            && (NULL != DIO_PollingReadDiByte)
            && (NULL != DIO_PollingReadDiWord)
            && (NULL != DIO_PollingWriteDoBit)
            && (NULL != DIO_PollingWriteDoByte)
            && (NULL != DIO_PollingWriteDoWord))
    {
        
        //读取配置文件realeas文件夹下的NP-6122-H1中配置文件
        QSettings set(QCoreApplication::applicationDirPath() + "/select.ini", QSettings::IniFormat);
        QString filePath = QCoreApplication::applicationDirPath() + set.value("/SELECTED/ConfigPath").toString();
        QSettings configSet(filePath, QSettings::IniFormat);
        configSet.value("/NKLC/Enabled").toBool();
        filePath.replace(QString("/"), QString("\\"));
        QByteArray ba = filePath.toLocal8Bit();
        char *ch = ba.data();
        int result=DIOLC_LibraryBaseInit(ch);
        if(result!=-1)
        {
            return 1;
        }
    }
    else
    {
        return 0;
    }
}

//线程1为DIOLC_Process函数循环
void DIOandLightControl::ioopen()
{
    connect(this,&DIOandLightControl::openprocess,this,&DIOandLightControl::press);
    
    int result=Mission_succeed;
    result=opendevice();
    if(result!=Mission_succeed)
    {
        return;
    }
    result=initSetting();
    if(result!=Mission_succeed)
    {
        return;
    }
    emit openprocess();
}



void DIOandLightControl::press()
{
    while (1)
    {
        DIOLC_Process();
        Sleep(1);
    }
}

//线程2读取、写入状态
void DIOandLightControl::ioopen_two()
{
    int result=Mission_succeed;
    result=opendevice();
    if(result!=Mission_succeed)
    {
        return;
    }
    result=initSetting();
    if(result!=Mission_succeed)
    {
        return;
    }
    // lightconne();// emit opened();
}
void DIOandLightControl::lightconne()
{
    DIOLC_OpenDevice(3,ComOpenCB);
    if(DIOLC_IsDeviceOpened(3,0x01)==0 ||
            DIOLC_IsDeviceOpened(3,0x02)==0 ||
            DIOLC_IsDeviceOpened(3,0x04)==0 ||
            DIOLC_IsDeviceOpened(3,0x08)==0)
    {
        emit workWarn("光源控制连接失败");
    }
    else
    {
        emit workWarn("光源控制连接成功");
    }
    
}



void DIOandLightControl::ReadDI(BYTE diByteIndex, BYTE diBitIndex)
{
    emit ReadResult_DI(diBitIndex, DIO_PollingReadDiBit(diByteIndex,diBitIndex));
}

void DIOandLightControl::WriteDO(BYTE doByteIndex, BYTE doBitIndex, BYTE doBitValue)
{
    DIO_PollingWriteDoBit (doByteIndex,doBitIndex,doBitValue);
}

void DIOandLightControl::SetLightcH(int ChIdx, int triggermode, int lightvalue, int holdingtime, int softonoff)
{
    LC_SetPwmParams(0x01,ChIdx,triggermode,lightvalue,holdingtime,softonoff,VerInfo);
}

void DIOandLightControl::disconnectlight()
{
    DIOLC_CloseDevice(3,ComOpenCB);
}

mainwindow.cpp：

MainWindow::MainWindow(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::MainWindow)
{
    ui->setupUi(this);
    initUI();
    DItexttimer = new QTimer;
    connect(DItexttimer,&QTimer::timeout,this,&MainWindow::ApplyDI);
    connect(DItexttimer,&QTimer::timeout,this,&MainWindow::DIresultdisp);
    for(int num=0;num<8;num++)
    {
       DIresult[num]=0;
    }
    softtrigger=0;
    ui->pushButton_3->setEnabled(0);
}

MainWindow::~MainWindow()
{
    delete ui;
}

void MainWindow::initUI()
{
    ui->tabWidget->hide();
    ui->label->resize(400,200);
    ui->label->move(200,100);
    ui->label->setText("工控机型号：NP-6122-H1");
    ui->pushButton->resize(100,70);
    ui->pushButton->move(300,300);
}
void MainWindow::on_pushButton_clicked()//start按钮
{
    ui->tabWidget->show();
    ui->label->hide();
    ui->pushButton->hide();

    initIO();//启动IO线程，执行初始化等



}

void MainWindow::initIO()
{
    //IO线程1用来运行IO循环服务(process)
    iothread =new QThread;
    ioandlight= new DIOandLightControl;
    ioandlight->moveToThread(iothread);
    connect(this,&MainWindow::connectio,ioandlight,&DIOandLightControl::ioopen);
    connect(iothread, &QThread::finished, iothread, &QObject::deleteLater);
    //iothread->setPriority(QThread::TimeCriticalPriority);
    iothread->start();
    //IO线程2用来接受控制指令
    iothread_ReadAndWrite =new QThread;
    ioandlight_ReadAndWrite= new DIOandLightControl;
    ioandlight_ReadAndWrite->moveToThread(iothread_ReadAndWrite);
    connect(iothread_ReadAndWrite, &QThread::finished, iothread_ReadAndWrite, &QObject::deleteLater);
    connect(this,&MainWindow::connectio,ioandlight_ReadAndWrite,&DIOandLightControl::ioopen_two);
    connect(this,&MainWindow::apply_ReadDI,ioandlight_ReadAndWrite,&DIOandLightControl::ReadDI);
    connect(this,&MainWindow::apply_WriteDO,ioandlight_ReadAndWrite,&DIOandLightControl::WriteDO);
    connect(ioandlight_ReadAndWrite,&DIOandLightControl::ReadResult_DI,this,&MainWindow::RecevieResult_ReadDI);
    connect(ioandlight_ReadAndWrite,&DIOandLightControl::workWarn,this,&MainWindow::RecevieWarnMessage);
    connect(this,&MainWindow::SetLightControlPara,ioandlight_ReadAndWrite,&DIOandLightControl::SetLightcH);
    connect(this,&MainWindow::lightconnect,ioandlight_ReadAndWrite,&DIOandLightControl::lightconne);
    connect(this,&MainWindow::closelightconnect,ioandlight_ReadAndWrite,&DIOandLightControl::disconnectlight);
    iothread_ReadAndWrite->start();
    emit connectio();//线程内初始化函数启动
}


void MainWindow::RecevieWarnMessage(QString statebarmsg)
{
    ui->statusBar->showMessage(statebarmsg,3000);//接受IO线程的返回信息
}
void MainWindow::RecevieResult_ReadDI(BYTE DI,bool result)
{
   DIresult[DI]=result;
}
int MainWindow::lightchannel(int index)
 {
    if(index==0)
    {
      return 0x01;
    }
    else if(index==1)
    {
        return 0x02;
    }
    else if(index==2)
    {
        return 0x04;
    }
    else if(index==3)
    {
        return 0x08;
    }
 }

void MainWindow::on_DIAutotext_clicked()
{
    static bool state=0;
    if(state==0)
    {
        ui->DI->setStyleSheet("background-color:red");
        state=1;
        DItexttimer->start(300);
    }
    else
    {
        ui->DI->setStyleSheet("background-color:green");
        state=0;
        DItexttimer->stop();
    }
}

void MainWindow::ApplyDI()
{
  for(int num=0;num<8;num++)
  {
      emit apply_ReadDI(0,num);
  }
}

void MainWindow::DIresultdisp()
{
  if(DIresult[0]==0)
  {
      ui->DI0->setStyleSheet("background-color:rgb(255, 255, 255)");
  }
  else
  {
      ui->DI0->setStyleSheet("background-color:green");
  }

  if(DIresult[1]==0)
  {
      ui->DI1->setStyleSheet("background-color:rgb(255, 255, 255)");
  }
  else
  {
      ui->DI1->setStyleSheet("background-color:green");
  }

  if(DIresult[2]==0)
  {
      ui->DI2->setStyleSheet("background-color:rgb(255, 255, 255)");
  }
  else
  {
      ui->DI2->setStyleSheet("background-color:green");
  }

  if(DIresult[3]==0)
  {
      ui->DI3->setStyleSheet("background-color:rgb(255, 255, 255)");
  }
  else
  {
      ui->DI3->setStyleSheet("background-color:green");
  }

  if(DIresult[4]==0)
  {
      ui->DI4->setStyleSheet("background-color:rgb(255, 255, 255)");
  }
  else
  {
      ui->DI4->setStyleSheet("background-color:green");
  }

  if(DIresult[5]==0)
  {
      ui->DI5->setStyleSheet("background-color:rgb(255, 255, 255)");
  }
  else
  {
      ui->DI5->setStyleSheet("background-color:green");
  }

  if(DIresult[6]==0)
  {
      ui->DI6->setStyleSheet("background-color:rgb(255, 255, 255)");
  }
  else
  {
      ui->DI6->setStyleSheet("background-color:green");
  }

  if(DIresult[7]==0)
  {
      ui->DI7->setStyleSheet("background-color:rgb(255, 255, 255)");
  }
  else
  {
      ui->DI7->setStyleSheet("background-color:green");
  }
}

void MainWindow::on_DOall_clicked()
{
    static bool state=0;
    if(state==1)
    {
        ui->DO->setStyleSheet("background-color:green");
        ui->DOall->setText("全部输出");
        state=0;
        for (int num=0;num<8;num++)
        {
            emit apply_WriteDO(0,num,0);
        }
        ui->DO0->setStyleSheet("background-color:rgb(255, 255, 255)");
        ui->DO1->setStyleSheet("background-color:rgb(255, 255, 255)");
        ui->DO2->setStyleSheet("background-color:rgb(255, 255, 255)");
        ui->DO3->setStyleSheet("background-color:rgb(255, 255, 255)");
        ui->DO4->setStyleSheet("background-color:rgb(255, 255, 255)");
        ui->DO5->setStyleSheet("background-color:rgb(255, 255, 255)");
        ui->DO6->setStyleSheet("background-color:rgb(255, 255, 255)");
        ui->DO7->setStyleSheet("background-color:rgb(255, 255, 255)");
        ui->DOOUT0->setEnabled(1);
        ui->DOOUT1->setEnabled(1);
        ui->DOOUT2->setEnabled(1);
        ui->DOOUT3->setEnabled(1);
        ui->DOOUT4->setEnabled(1);
        ui->DOOUT5->setEnabled(1);
        ui->DOOUT6->setEnabled(1);
        ui->DOOUT7->setEnabled(1);
    }
    else
    {
        ui->DO->setStyleSheet("background-color:red");
        ui->DOall->setText("全部关闭");
        state=1;
        for (int num=0;num<8;num++)
        {
            emit apply_WriteDO(0,num,1);
        }
        ui->DO0->setStyleSheet("background-color:green");
        ui->DO1->setStyleSheet("background-color:green");
        ui->DO2->setStyleSheet("background-color:green");
        ui->DO3->setStyleSheet("background-color:green");
        ui->DO4->setStyleSheet("background-color:green");
        ui->DO5->setStyleSheet("background-color:green");
        ui->DO6->setStyleSheet("background-color:green");
        ui->DO7->setStyleSheet("background-color:green");
        ui->DOOUT0->setEnabled(0);
        ui->DOOUT1->setEnabled(0);
        ui->DOOUT2->setEnabled(0);
        ui->DOOUT3->setEnabled(0);
        ui->DOOUT4->setEnabled(0);
        ui->DOOUT5->setEnabled(0);
        ui->DOOUT6->setEnabled(0);
        ui->DOOUT7->setEnabled(0);
    }
}

void MainWindow::on_DOOUT0_clicked()
{
    static bool state=0;
    if(state==0)
    {
        state=1;
        apply_WriteDO(0,0,0);
        ui->DO0->setStyleSheet("background-color:green");
        ui->DOOUT0->setText("关闭");
    }
    else
    {
        state=0;
        emit apply_WriteDO(0,0,1);
        ui->DO0->setStyleSheet("background-color:rgb(255, 255, 255)");
        ui->DOOUT0->setText("输出");
    }
}

void MainWindow::on_DOOUT1_clicked()
{
    static bool state=0;
    if(state==0)
    {
        state=1;
        apply_WriteDO(0,1,0);
       ui->DO1->setStyleSheet("background-color:green");
        ui->DOOUT1->setText("关闭");
    }
    else
    {
        state=0;
        emit apply_WriteDO(0,1,1);
        ui->DO1->setStyleSheet("background-color:rgb(255, 255, 255)");

        ui->DOOUT1->setText("输出");
    }
}

void MainWindow::on_DOOUT2_clicked()
{
    static bool state=0;
    if(state==0)
    {
        state=1;
        apply_WriteDO(0,2,0);
       ui->DO2->setStyleSheet("background-color:green");
        ui->DOOUT2->setText("关闭");
    }
    else
    {
        state=0;
        emit apply_WriteDO(0,2,1);
         ui->DO2->setStyleSheet("background-color:rgb(255, 255, 255)");
        ui->DOOUT2->setText("输出");
    }
}
void MainWindow::on_DOOUT3_clicked()
{
    static bool state=0;
    if(state==0)
    {
        state=1;
        apply_WriteDO(0,3,0);
         ui->DO3->setStyleSheet("background-color:green");

        ui->DOOUT3->setText("关闭");
    }
    else
    {
        state=0;
        emit apply_WriteDO(0,3,1);
       ui->DO3->setStyleSheet("background-color:rgb(255, 255, 255)");
        ui->DOOUT3->setText("输出");
    }
}
void MainWindow::on_DOOUT4_clicked()
{
    static bool state=0;
    if(state==0)
    {
        state=1;
        apply_WriteDO(0,4,0);
         ui->DO4->setStyleSheet("background-color:green");
        ui->DOOUT4->setText("关闭");
    }
    else
    {
        state=0;
        emit apply_WriteDO(0,4,1);
       ui->DO4->setStyleSheet("background-color:rgb(255, 255, 255)");
        ui->DOOUT4->setText("输出");
    }
}
void MainWindow::on_DOOUT5_clicked()
{
    static bool state=0;
    if(state==0)
    {
        state=1;
        apply_WriteDO(0,5,0);
        ui->DO5->setStyleSheet("background-color:green");

        ui->DOOUT5->setText("关闭");
    }
    else
    {
        state=0;
        emit apply_WriteDO(0,5,1);
         ui->DO5->setStyleSheet("background-color:rgb(255, 255, 255)");
        ui->DOOUT5->setText("输出");
    }
}
void MainWindow::on_DOOUT6_clicked()
{
    static bool state=0;
    if(state==0)
    {
        state=1;
        apply_WriteDO(0,6,0);
        ui->DO6->setStyleSheet("background-color:green");
        ui->DOOUT6->setText("关闭");
    }
    else
    {
        state=0;
        emit apply_WriteDO(0,6,1);
         ui->DO6->setStyleSheet("background-color:rgb(255, 255, 255)");
        ui->DOOUT6->setText("输出");
    }
}
void MainWindow::on_DOOUT7_clicked()
{
    static bool state=0;
    if(state==0)
    {
        state=1;
        apply_WriteDO(0,7,0);
        ui->DO7->setStyleSheet("background-color:green");
        ui->DOOUT7->setText("关闭");
    }
    else
    {
        state=0;
        emit apply_WriteDO(0,7,1);
        ui->DO7->setStyleSheet("background-color:rgb(255, 255, 255)");
        ui->DOOUT7->setText("输出");
    }
}


void MainWindow::on_pushButton_4_clicked()
{
    static bool state =0;
    if(state==0)
    {
        ui->pushButton_4->setStyleSheet("background-color: green; border: none;");
        emit lightconnect();
        state=1;
        ui->pushButton_4->setText("断开");
    }
    else
    {
        ui->pushButton_4->setStyleSheet("background-color: red; border: none;");
        emit closelightconnect();
        state=0;
         ui->pushButton_4->setText("连接");
    }
}

void MainWindow::on_pushButton_2_clicked()
{
    emit SetLightControlPara(lightchannel(ui->LightChannel->currentIndex()),ui->mode->currentIndex(),ui->lightvalue->value(),ui->delaytime->value(),softtrigger);
}

void MainWindow::on_mode_currentIndexChanged(int index)
{
    if(index==0)
    {
        ui->pushButton_3->setEnabled(1);
    }
    else
    {
        ui->pushButton_3->setEnabled(0);
    }
}

void MainWindow::on_pushButton_3_clicked()
{
    if(softtrigger==0)
    {
        softtrigger=1;
        ui->pushButton_4->setStyleSheet("background-color: green; border: none;");
        ui->pushButton_4->setText("关闭");

    }
    else
    {
        softtrigger=0;
        ui->pushButton_4->setStyleSheet("background-color: rgb(187, 194, 200); border: none;");
        ui->pushButton_4->setText("打开");
    }
     emit SetLightControlPara(lightchannel(ui->LightChannel->currentIndex()),ui->mode->currentIndex(),ui->lightvalue->value(),ui->delaytime->value(),softtrigger);
}

程序界面

DIOtext：
在这里插入图片描述
LightControl：

总结

工控机IO控制一般都不复杂，但诺达佳的控制上与别的厂商存在一些差异，所以在刚接触时可能觉得不太容易，笔者也是走了一些弯路后才尝试成功，特将一些心得总结于程序内，希望能帮到有需要的小伙伴。同时由于编程水平及表达能力有限，文章内不免有些难以通达之处，如有不足之处欢迎批评指正。wechat：Smart_Proud_Lee