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在论坛中经常有人提出关于研华工业用控制板卡的VC编程方法。此类板卡编程方法比较复杂,根据说明书上面说明我们可以采用两种编程方法,一种是自己编写控制各种寄存器代码进行数据的采集和输出,另外一种就是利用他封装的DLL的方法访问相应的函数进行完成。 为了节省时间提高开发效率,当然使用第二种方法了.我们可以根据研华光盘里面提供的例子进行修改就可以完成了. 1:A/D板编程实例(型号:PCL1754,通道:64)
//定义一个结构体变量保存64通道的DI信息struct tagSYSTEMSTATE{ int nState;//DI状态 BOOL bState;//是否为数字量接点};//初始化里面启动线程进行板卡的采集工作void CMy11View::OnInitialUpdate() { CView::OnInitialUpdate(); m_Info = new tagSYSTEMSTATE[64]; for(int i=0;i<64;i ) { m_Info[i].nState = 0; m_Info[i].bState = FALSE; } unsigned int nDummy; m_pThread=(HANDLE) _beginthreadex(NULL,0,Main_Thread_DI,this,CREATE_SUSPENDED,&nDummy);//开辟DI线程 if (!m_pThread) TRACE(_T(" Couldn't start a thread\n")); else ResumeThread(m_pThread); }//转线程进行采集的循环工作UINT WINAPI CMy11View::Main_Thread_DI(LPVOID pParam)//控制DI线程{ CMy11View * pView=(CMy11View *)pParam; while(1) { pView->ptDeviceReadDIByte(); pView->nVal ; pView->ShowMsg(); Sleep(10); } return 0;}//下面是调用DLL进行信号采集工作void CMy11View::ptDeviceReadDIByte(){ SHORT gnNumOfDevices; LONG DriverHandle = (LONG)NULL; USHORT gwChannel; static PT_DioReadPortByte ptDioReadPortByte; USHORT gwValue; gnNumOfDevices = 1; DRV_DeviceOpen(gnNumOfDevices,//板号0; (LONG far *)&DriverHandle); for(gwChannel = 0; gwChannel < 8;gwChannel ) { ptDioReadPortByte.port = gwChannel;//////////0-7通道号 ptDioReadPortByte.value = (USHORT far *)&gwValue; DRV_DioReadPortByte(DriverHandle, (LPT_DioReadPortByte)&ptDioReadPortByte); gwValue=gwValue&0x00ff;///////////////// for(int j=0;j<8;j ) { if( (gwValue & (1<
0) m_Info[gwChannel*8 j].nState = 1; else m_Info[gwChannel*8 j].nState = 0; } } DRV_DeviceClose((LONG far *)&DriverHandle); }//下面将个通道点状态在界面输出,这里各位可以根据实际情况进行修改void CMy11View::ShowMsg(){ CDC *pDC; pDC = GetDC(); CRect rect; GetClientRect(&rect); CString strText; CBrush pNewBrush,*pOldBrush; pNewBrush.CreateSolidBrush(RGB(128,128,255)); pOldBrush=pDC->SelectObject(&pNewBrush); pDC->FillRect(&rect,&pNewBrush); COLORREF *oldCol; oldCol=(COLORREF *)pDC->SetTextColor(RGB(255,0,0)); pDC->SetBkColor(RGB(128,128,255)); pDC->TextOut(10,10,"采集模拟点显示信息:"); strText.Format("线程采集程序运行了%d次",nVal); pDC->TextOut(10,35,strText); for(int i=0;i<64;i ) { strText.Format("第%.2d个结点的信息是:%d",i 1,m_Info[i].nState); int nHeight= (i/4)*25; int nWidth = (i%4)*180; pDC->TextOut(10 nWidth,70 nHeight,strText); } pDC->SelectObject(&oldCol); pDC->SelectObject(&pOldBrush); pNewBrush.DeleteObject(); pDC->DeleteDC(); }//到此,DI输入编程基本结束,输出方法类似,这里不在进行叙述了. 程序模拟演示界面可以见下:
//AD大致情况入DI,相应的主要不同在于板卡的采集程序,大致见下:void CADDemoView::ptDeviceReadADByte(){ USHORT gwChannel = 0; // input channel float gwValue; SHORT gnNumOfDevices; static PT_AIConfig ptAIConfig; // structure for AIConfig table static PT_AIVoltageIn ptAIVoltageIn; // structure for AIVoltageIn table static PT_DeviceGetFeatures ptDevFeatures; static DEVFEATURES DevFeatures; // structure for device features gnNumOfDevices = 0; DRV_DeviceOpen(gnNumOfDevices,//板号0; (LONG far *)&DriverHandle); ptDevFeatures.buffer = (LPDEVFEATURES)&DevFeatures; ptDevFeatures.size = sizeof(DEVFEATURES); DRV_DeviceGetFeatures(DriverHandle,//句标市柄 (LPT_DeviceGetFeatures)&ptDevFeatures); for(gwChannel = 0; gwChannel < 32;gwChannel ) { Sleep(1); ptAIVoltageIn.chan = gwChannel; ptAIVoltageIn.gain = 0; ptAIVoltageIn.TrigMode = 0; // internal trigger ptAIVoltageIn.voltage = (FLOAT far *)&gwValue; DRV_AIVoltageIn(DriverHandle,(LPT_AIVoltageIn)&ptAIVoltageIn); m_Info[gwChannel].fState = gwValue; } DRV_DeviceClose((LONG far *)&DriverHandle);} 其实VC编程研华板卡不是一件很困难的事情,在他提供的光盘里面有VC的实例,我们可以根据实例进行修改就可以完成了.
在论坛中经常有人提出关于研华工业用控制板卡的VC编程方法。此类板卡编程方法比较复杂,根据说明书上面说明我们可以采用两种编程方法,一种是自己编写控制各种寄存器代码进行数据的采集和输出,另外一种就是利用他封装的DLL的方法访问相应的函数进行完成。 为了节省时间提高开发效率,当然使用第二种方法了.我们可以根据研华光盘里面提供的例子进行修改就可以完成了. 1:A/D板编程实例(型号:PCL1754,通道:64)
//定义一个结构体变量保存64通道的DI信息struct tagSYSTEMSTATE{ int nState;//DI状态 BOOL bState;//是否为数字量接点};//初始化里面启动线程进行板卡的采集工作void CMy11View::OnInitialUpdate() { CView::OnInitialUpdate(); m_Info = new tagSYSTEMSTATE[64]; for(int i=0;i<64;i ) { m_Info[i].nState = 0; m_Info[i].bState = FALSE; } unsigned int nDummy; m_pThread=(HANDLE) _beginthreadex(NULL,0,Main_Thread_DI,this,CREATE_SUSPENDED,&nDummy);//开辟DI线程 if (!m_pThread) TRACE(_T(" Couldn't start a thread\n")); else ResumeThread(m_pThread); }//转线程进行采集的循环工作UINT WINAPI CMy11View::Main_Thread_DI(LPVOID pParam)//控制DI线程{ CMy11View * pView=(CMy11View *)pParam; while(1) { pView->ptDeviceReadDIByte(); pView->nVal ; pView->ShowMsg(); Sleep(10); } return 0;}//下面是调用DLL进行信号采集工作void CMy11View::ptDeviceReadDIByte(){ SHORT gnNumOfDevices; LONG DriverHandle = (LONG)NULL; USHORT gwChannel; static PT_DioReadPortByte ptDioReadPortByte; USHORT gwValue; gnNumOfDevices = 1; DRV_DeviceOpen(gnNumOfDevices,//板号0; (LONG far *)&DriverHandle); for(gwChannel = 0; gwChannel < 8;gwChannel ) { ptDioReadPortByte.port = gwChannel;//////////0-7通道号 ptDioReadPortByte.value = (USHORT far *)&gwValue; DRV_DioReadPortByte(DriverHandle, (LPT_DioReadPortByte)&ptDioReadPortByte); gwValue=gwValue&0x00ff;///////////////// for(int j=0;j<8;j ) { if( (gwValue & (1<0) m_Info[gwChannel*8 j].nState = 1; else m_Info[gwChannel*8 j].nState = 0; } } DRV_DeviceClose((LONG far *)&DriverHandle); }//下面将个通道点状态在界面输出,这里各位可以根据实际情况进行修改void CMy11View::ShowMsg(){ CDC *pDC; pDC = GetDC(); CRect rect; GetClientRect(&rect); CString strText; CBrush pNewBrush,*pOldBrush; pNewBrush.CreateSolidBrush(RGB(128,128,255)); pOldBrush=pDC->SelectObject(&pNewBrush); pDC->FillRect(&rect,&pNewBrush); COLORREF *oldCol; oldCol=(COLORREF *)pDC->SetTextColor(RGB(255,0,0)); pDC->SetBkColor(RGB(128,128,255)); pDC->TextOut(10,10,"采集模拟点显示信息:"); strText.Format("线程采集程序运行了%d次",nVal); pDC->TextOut(10,35,strText); for(int i=0;i<64;i ) { strText.Format("第%.2d个结点的信息是:%d",i 1,m_Info[i].nState); int nHeight= (i/4)*25; int nWidth = (i%4)*180; pDC->TextOut(10 nWidth,70 nHeight,strText); } pDC->SelectObject(&oldCol); pDC->SelectObject(&pOldBrush); pNewBrush.DeleteObject(); pDC->DeleteDC(); }//到此,DI输入编程基本结束,输出方法类似,这里不在进行叙述了. 程序模拟演示界面可以见下:
//AD大致情况入DI,相应的主要不同在于板卡的采集程序,大致见下:void CADDemoView::ptDeviceReadADByte(){ USHORT gwChannel = 0; // input channel float gwValue; SHORT gnNumOfDevices; static PT_AIConfig ptAIConfig; // structure for AIConfig table static PT_AIVoltageIn ptAIVoltageIn; // structure for AIVoltageIn table static PT_DeviceGetFeatures ptDevFeatures; static DEVFEATURES DevFeatures; // structure for device features gnNumOfDevices = 0; DRV_DeviceOpen(gnNumOfDevices,//板号0; (LONG far *)&DriverHandle); ptDevFeatures.buffer = (LPDEVFEATURES)&DevFeatures; ptDevFeatures.size = sizeof(DEVFEATURES); DRV_DeviceGetFeatures(DriverHandle,//句标市柄 (LPT_DeviceGetFeatures)&ptDevFeatures); for(gwChannel = 0; gwChannel < 32;gwChannel ) { Sleep(1); ptAIVoltageIn.chan = gwChannel; ptAIVoltageIn.gain = 0; ptAIVoltageIn.TrigMode = 0; // internal trigger ptAIVoltageIn.voltage = (FLOAT far *)&gwValue; DRV_AIVoltageIn(DriverHandle,(LPT_AIVoltageIn)&ptAIVoltageIn); m_Info[gwChannel].fState = gwValue; } DRV_DeviceClose((LONG far *)&DriverHandle);} 其实VC编程研华板卡不是一件很困难的事情,在他提供的光盘里面有VC的实例,我们可以根据实例进行修改就可以完成了.
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