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leafmavis木蟲 (文壇精英)
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[求助]
VC++中如何應用porttalk
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有個實驗,是控制一個電動臺做旋轉(zhuǎn)運動(這部分VC++源代碼由產(chǎn)品的制造商提供),從而給實驗動物刺激,同時采集動物的腦電。我們想在旋轉(zhuǎn)運動的開始和結(jié)束的時候,分別給并口一秒鐘的高電平,以便在腦電信號采集系統(tǒng)上打上同步標記。我們做了一個并口的流水燈以驗證并口操作的可靠性。用C++bulider 6.0時,利用PortTalk能控制流水燈工作;但用VC++ 6.0時,報錯。因電動臺的源碼是VC++ 6.0,所以想請教高手。謝謝! 下面是單純的并口操作驗證: 1、用C++bulider時,在工程目錄下拷進這兩個文件:PortTalk.sys; PortTalk.h。在Form中添加一個按鍵(功能為:使并口輸出脈寬為1秒的高電平),并在Form中添加了并口初始化(因為計算機開機時并口各數(shù)據(jù)位是高電平,初始化就是將所有數(shù)據(jù)位置低)。程序運行正常,流水燈的開閉正常。 2、用VC++時,操作同上,但編譯時報錯。想請問一下,在VC++下如何使用PortTalk ?網(wǎng)上沒說PortTalk不能用于VC++呀 --------------------Configuration: fang1 - Win32 Debug-------------------- Compiling resources... Compiling... StdAfx.cpp Compiling... fang1.cpp fang1Dlg.cpp e:\work\vc\learn1\fang1\porttalk.h(41) : error C2065: 'ShowMessage' : undeclared identifier e:\work\vc\learn1\fang1\porttalk.h(80) : error C2065: 'SC_HANDLE' : undeclared identifier e:\work\vc\learn1\fang1\porttalk.h(80) : error C2146: syntax error : missing ';' before identifier 'SchSCManager' e:\work\vc\learn1\fang1\porttalk.h(80) : error C2065: 'SchSCManager' : undeclared identifier e:\work\vc\learn1\fang1\porttalk.h(81) : error C2146: syntax error : missing ';' before identifier 'schService' e:\work\vc\learn1\fang1\porttalk.h(81) : error C2065: 'schService' : undeclared identifier e:\work\vc\learn1\fang1\porttalk.h(85) : error C2065: 'OpenSCManager' : undeclared identifier e:\work\vc\learn1\fang1\porttalk.h(85) : error C2065: 'SC_MANAGER_ALL_ACCESS' : undeclared identifier e:\work\vc\learn1\fang1\porttalk.h(94) : error C2065: 'OpenService' : undeclared identifier e:\work\vc\learn1\fang1\porttalk.h(94) : error C2065: 'SERVICE_ALL_ACCESS' : undeclared identifier e:\work\vc\learn1\fang1\porttalk.h(110) : error C2065: 'StartService' : undeclared identifier e:\work\vc\learn1\fang1\porttalk.h(112) : error C2065: 'CloseServiceHandle' : undeclared identifier e:\work\vc\learn1\fang1\porttalk.h(118) : error C2146: syntax error : missing ';' before identifier 'SchSCManager' e:\work\vc\learn1\fang1\porttalk.h(119) : error C2146: syntax error : missing ';' before identifier 'schService' e:\work\vc\learn1\fang1\porttalk.h(129) : error C2065: 'CreateService' : undeclared identifier Generating Code... Error executing cl.exe. fang1.exe - 15 error(s), 0 warning(s) |

金蟲 (文壇精英)
老漢一枚
木蟲 (文壇精英)
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謝謝您的回復,不過頭文件是加上了的。附上C++源碼,除 #include "PortTalk.h" 和最后面的按鍵響應函數(shù),其他的都是自動生成的。請幫忙分析,謝謝! // fang1Dlg.cpp : implementation file // #include "stdafx.h" #include "fang1.h" #include "fang1Dlg.h" #include "PortTalk.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif ///////////////////////////////////////////////////////////////////////////// // CAboutDlg dialog used for App About class CAboutDlg : public CDialog { public: CAboutDlg(); // Dialog Data //{{AFX_DATA(CAboutDlg) enum { IDD = IDD_ABOUTBOX }; //}}AFX_DATA // ClassWizard generated virtual function overrides //{{AFX_VIRTUAL(CAboutDlg) protected: virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support //}}AFX_VIRTUAL // Implementation protected: //{{AFX_MSG(CAboutDlg) //}}AFX_MSG DECLARE_MESSAGE_MAP() }; CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) { //{{AFX_DATA_INIT(CAboutDlg) //}}AFX_DATA_INIT } void CAboutDlg: oDataExchange(CDataExchange* pDX){ CDialog: oDataExchange(pDX);//{{AFX_DATA_MAP(CAboutDlg) //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) //{{AFX_MSG_MAP(CAboutDlg) // No message handlers //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CFang1Dlg dialog CFang1Dlg::CFang1Dlg(CWnd* pParent /*=NULL*/) : CDialog(CFang1Dlg::IDD, pParent) { //{{AFX_DATA_INIT(CFang1Dlg) // NOTE: the ClassWizard will add member initialization here //}}AFX_DATA_INIT // Note that LoadIcon does not require a subsequent DestroyIcon in Win32 m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); } void CFang1Dlg: oDataExchange(CDataExchange* pDX){ CDialog: oDataExchange(pDX);//{{AFX_DATA_MAP(CFang1Dlg) // NOTE: the ClassWizard will add DDX and DDV calls here //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CFang1Dlg, CDialog) //{{AFX_MSG_MAP(CFang1Dlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_BN_CLICKED(IDC_BUTTON1, OnButton1) //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CFang1Dlg message handlers BOOL CFang1Dlg::OnInitDialog() { CDialog::OnInitDialog(); // Add "About..." menu item to system menu. // IDM_ABOUTBOX must be in the system command range. ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); ASSERT(IDM_ABOUTBOX < 0xF000); CMenu* pSysMenu = GetSystemMenu(FALSE); if (pSysMenu != NULL) { CString strAboutMenu; strAboutMenu.LoadString(IDS_ABOUTBOX); if (!strAboutMenu.IsEmpty()) { pSysMenu->AppendMenu(MF_SEPARATOR); pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); } } // Set the icon for this dialog. The framework does this automatically // when the application's main window is not a dialog SetIcon(m_hIcon, TRUE); // Set big icon SetIcon(m_hIcon, FALSE); // Set small icon // TODO: Add extra initialization here return TRUE; // return TRUE unless you set the focus to a control } void CFang1Dlg::OnSysCommand(UINT nID, LPARAM lParam) { if ((nID & 0xFFF0) == IDM_ABOUTBOX) { CAboutDlg dlgAbout; dlgAbout.DoModal(); } else { CDialog::OnSysCommand(nID, lParam); } } // If you add a minimize button to your dialog, you will need the code below // to draw the icon. For MFC applications using the document/view model, // this is automatically done for you by the framework. void CFang1Dlg::OnPaint() { if (IsIconic()) { CPaintDC dc(this); // device context for painting SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); // Center icon in client rectangle int cxIcon = GetSystemMetrics(SM_CXICON); int cyIcon = GetSystemMetrics(SM_CYICON); CRect rect; GetClientRect(&rect); int x = (rect.Width() - cxIcon + 1) / 2; int y = (rect.Height() - cyIcon + 1) / 2; // Draw the icon dc.DrawIcon(x, y, m_hIcon); } else { CDialog::OnPaint(); } } // The system calls this to obtain the cursor to display while the user drags // the minimized window. HCURSOR CFang1Dlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; } void CFang1Dlg::OnButton1() { // TODO: Add your control notification handler code here OpenPortTalk(); //打開地址操作 outportb(0x378,0xFF); Sleep(1000); outportb(0x378,0x00); ClosePortTalk(); //關(guān)閉地址操作 } |

木蟲 (正式寫手)
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界面的部分都沒有問題(話說這么簡單的東西直接用console application不好嘛) 于是樓主能不能貼一下PortTalk.h這個文件的內(nèi)容呢? 看樣子像是把函數(shù)定義放到.h文件里面了(不是類模板等特殊情況的話這么做其實不好的),恩,所以先看看吧 PS: 貼代碼的時候,放到 會比較好看一點 |
金蟲 (文壇精英)
老漢一枚
木蟲 (文壇精英)
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當時選用PortTalk是因為這個比較簡單,PortTalk是從網(wǎng)上下的(官網(wǎng)http://www.beyondlogic.org/porttalk/),而且用C++builder運行正常。下面是PortTalk.h的內(nèi)容,請幫忙看一下,謝謝! < #ifndef _PORTTALK_H_ #define _PORTTALK_H_ #include //--------------------------------------------------------------------------- //32768-65535 are reserved for customers #define PORTTALK_TYPE 40000 // The IOCTRL function codes from 0x800 to 0xFFF are for customer use #define IOCTL_IOPM_RESTRICT_ALL_ACCESS CTL_CODE(PORTTALK_TYPE, 0x900, METHOD_BUFFERED, FILE_ANY_ACCESS) #define IOCTL_IOPM_ALLOW_EXCUSIVE_ACCESS CTL_CODE(PORTTALK_TYPE, 0x901, METHOD_BUFFERED, FILE_ANY_ACCESS) #define IOCTL_SET_IOPM CTL_CODE(PORTTALK_TYPE, 0x902, METHOD_BUFFERED, FILE_ANY_ACCESS) #define IOCTL_ENABLE_IOPM_ON_PROCESSID CTL_CODE(PORTTALK_TYPE, 0x903, METHOD_BUFFERED, FILE_ANY_ACCESS) #define IOCTL_READ_PORT_UCHAR CTL_CODE(PORTTALK_TYPE, 0x904, METHOD_BUFFERED, FILE_ANY_ACCESS) #define IOCTL_WRITE_PORT_UCHAR CTL_CODE(PORTTALK_TYPE, 0x905, METHOD_BUFFERED, FILE_ANY_ACCESS) //--------------------------------------------------------------------------- bool OpenPortTalk(void); void ClosePortTalk(void); void outportb(unsigned short int PortAddress, unsigned char byte); unsigned char inportb(unsigned short int PortAddress); bool InstallPortTalkDriver(void); bool StartPortTalkDriver(void); //--------------------------------------------------------------------------- HANDLE PortTalk_Handle; //Handle for PortTalk Driver void outportb(unsigned short int PortAddress, unsigned char byte) { unsigned int error; DWORD BytesReturned; unsigned char Buffer[3]; unsigned short * pBuffer; pBuffer = (unsigned short *)&Buffer[0]; *pBuffer = PortAddress; Buffer[2] = byte; error = DeviceIoControl(PortTalk_Handle,IOCTL_WRITE_PORT_UCHAR,&Buffer,3,NULL,0,&BytesReturned,NULL); if(!error) ShowMessage("Error occured during outportb while talking to PortTalk driver" ;} unsigned char inportb(unsigned short int PortAddress) { unsigned int error; DWORD BytesReturned; unsigned char Buffer[3]; unsigned short * pBuffer; pBuffer = (unsigned short *)&Buffer; *pBuffer = PortAddress; error = DeviceIoControl(PortTalk_Handle,IOCTL_READ_PORT_UCHAR,&Buffer,2,&Buffer,1,&BytesReturned,NULL); if(!error) ShowMessage("Error occured during inportb while talking to PortTalk driver" ;return(Buffer[0]); } bool OpenPortTalk(void) { PortTalk_Handle = CreateFile("\\\\.\\PortTalk",GENERIC_READ,0,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,NULL); if(PortTalk_Handle == INVALID_HANDLE_VALUE) { StartPortTalkDriver(); PortTalk_Handle = CreateFile("\\\\.\\PortTalk",GENERIC_READ,0,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,NULL); if(PortTalk_Handle == INVALID_HANDLE_VALUE) return false; } return true; } void ClosePortTalk(void) { CloseHandle(PortTalk_Handle); } bool StartPortTalkDriver(void) { SC_HANDLE SchSCManager; SC_HANDLE schService; BOOL ret; DWORD err; SchSCManager = OpenSCManager (NULL,NULL,SC_MANAGER_ALL_ACCESS); if(SchSCManager == NULL) { if(GetLastError() == ERROR_ACCESS_DENIED) ShowMessage("安裝驅(qū)動PortTalk.sys,需要管理員的權(quán)限!" ;return false; } do{ schService = OpenService(SchSCManager,"PortTalk",SERVICE_ALL_ACCESS); if (schService == NULL) { switch(GetLastError()) { case ERROR_ACCESS_DENIED: return false; case ERROR_INVALID_NAME: return false; case ERROR_SERVICE_DOES_NOT_EXIST: InstallPortTalkDriver(); break; } } }while (schService == NULL); ret = StartService(schService,0,NULL); if(ret == NULL) return false; CloseServiceHandle (schService); return true; } bool InstallPortTalkDriver(void) { SC_HANDLE SchSCManager; SC_HANDLE schService; DWORD err; CHAR DriverFileName[80]; GetSystemDirectory(DriverFileName, 55); lstrcat(DriverFileName,"\\Drivers\\PortTalk.sys" ;if(!CopyFile("PortTalk.sys", DriverFileName, FALSE)) return false; SchSCManager = OpenSCManager (NULL,NULL,SC_MANAGER_ALL_ACCESS); schService = CreateService (SchSCManager,"PortTalk","PortTalk",SERVICE_ALL_ACCESS,SERVICE_KERNEL_DRIVER,SERVICE_DEMAND_START,SERVICE_ERROR_NORMAL,"System32\\Drivers\\PortTalk.sys",NULL,NULL,NULL,NULL,NULL); if(schService == NULL) return false; CloseServiceHandle (schService); return true; } //--------------------------------------------------------------------------- #endif code> |


木蟲 (正式寫手)
木蟲 (文壇精英)
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謝謝各位熱心的回復。 加上這段后還報錯。 e:\work\vc\learn1\fang1\porttalk.h(51) : error C2660: 'MessageBoxA' : function does not take 1 parameters e:\work\vc\learn1\fang1\porttalk.h(65) : error C2660: 'MessageBoxA' : function does not take 1 parameters e:\work\vc\learn1\fang1\porttalk.h(90) : error C2065: 'SC_HANDLE' : undeclared identifier e:\work\vc\learn1\fang1\porttalk.h(90) : error C2146: syntax error : missing ';' before identifier 'SchSCManager' e:\work\vc\learn1\fang1\porttalk.h(90) : error C2065: 'SchSCManager' : undeclared identifier e:\work\vc\learn1\fang1\porttalk.h(91) : error C2146: syntax error : missing ';' before identifier 'schService' e:\work\vc\learn1\fang1\porttalk.h(91) : error C2065: 'schService' : undeclared identifier e:\work\vc\learn1\fang1\porttalk.h(95) : error C2065: 'OpenSCManager' : undeclared identifier e:\work\vc\learn1\fang1\porttalk.h(95) : error C2065: 'SC_MANAGER_ALL_ACCESS' : undeclared identifier e:\work\vc\learn1\fang1\porttalk.h(99) : error C2660: 'MessageBoxA' : function does not take 1 parameters e:\work\vc\learn1\fang1\porttalk.h(104) : error C2065: 'OpenService' : undeclared identifier e:\work\vc\learn1\fang1\porttalk.h(104) : error C2065: 'SERVICE_ALL_ACCESS' : undeclared identifier e:\work\vc\learn1\fang1\porttalk.h(120) : error C2065: 'StartService' : undeclared identifier e:\work\vc\learn1\fang1\porttalk.h(122) : error C2065: 'CloseServiceHandle' : undeclared identifier e:\work\vc\learn1\fang1\porttalk.h(128) : error C2146: syntax error : missing ';' before identifier 'SchSCManager' e:\work\vc\learn1\fang1\porttalk.h(129) : error C2146: syntax error : missing ';' before identifier 'schService' e:\work\vc\learn1\fang1\porttalk.h(139) : error C2065: 'CreateService' : undeclared identifier Error executing cl.exe. fang1.exe - 17 error(s), 0 warning(s) > |

木蟲 (正式寫手)
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