// SCommTestDlg.cpp : implementation file //#include "stdafx.h" #include "SCommTest.h" #include "SCommTestDlg.h"#ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif///////////////////////////////////////////////////////////////////////////// // CAboutDlg dialog used for App Aboutclass 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::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(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()///////////////////////////////////////////////////////////////////////////// // CSCommTestDlg dialogCSCommTestDlg::CSCommTestDlg(CWnd* pParent /*=NULL*/) : CDialog(CSCommTestDlg::IDD, pParent) { //{{AFX_DATA_INIT(CSCommTestDlg) m_strRXData = _T(""); m_strTXData = _T(""); //}}AFX_DATA_INIT // Note that LoadIcon does not require a subsequent DestroyIcon in Win32 m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); }void CSCommTestDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CSCommTestDlg) DDX_Control(pDX, IDC_MSCOMM1, m_ctrlComm); DDX_Text(pDX, IDC_EDIT_RXDATA, m_strRXData); DDX_Text(pDX, IDC_EDIT_TXDATA, m_strTXData); //}}AFX_DATA_MAP }BEGIN_MESSAGE_MAP(CSCommTestDlg, CDialog) //{{AFX_MSG_MAP(CSCommTestDlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_BN_CLICKED(IDOK, OnButtonManualsend) ON_EN_CHANGE(IDC_EDIT_RXDATA, OnChangeEditRxdata) //}}AFX_MSG_MAP END_MESSAGE_MAP()///////////////////////////////////////////////////////////////////////////// // CSCommTestDlg message handlersBOOL CSCommTestDlg::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 m_ctrlComm.SetInBufferSize(100);//输入缓冲区大小 m_ctrlComm.SetOutBufferSize(100);//输出缓冲区大小 if(m_ctrlComm.GetPortOpen()) m_ctrlComm.SetPortOpen(FALSE);m_ctrlComm.SetCommPort(1); //选择com1 if( !m_ctrlComm.GetPortOpen()) m_ctrlComm.SetPortOpen(TRUE);//打开串口 else AfxMessageBox("cannot open serial port");m_ctrlComm.SetSettings("19200,n,8,2"); //波特率9600,无校验,8个数据位,1个停止位m_ctrlComm.SetInputMode(1); //1:表示以二进制方式检取数据 m_ctrlComm.SetRThreshold(1); //参数1表示每当串口接收缓冲区中有多于或等于1个字符时将引发一个接收数据的OnComm事件 m_ctrlComm.SetInputLen(0); //设置当前接收区数据长度为0 //m_ctrlComm.GetInput();//先预读缓冲区以清除残留数据 return TRUE; // return TRUE unless you set the focus to a control }void CSCommTestDlg::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 CSCommTestDlg::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 CSCommTestDlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; }BEGIN_EVENTSINK_MAP(CSCommTestDlg, CDialog) //{{AFX_EVENTSINK_MAP(CSCommTestDlg) ON_EVENT(CSCommTestDlg, IDC_MSCOMM1, 1 /* OnComm */, OnComm, VTS_NONE) //}}AFX_EVENTSINK_MAP END_EVENTSINK_MAP()void CSCommTestDlg::OnComm() { VARIANT variant_inp; COleSafeArray safearray_inp; LONG len,k; BYTE rxdata[2048];//设置BYTE数组 CString strtemp; if(m_ctrlComm.GetCommEvent()==2)//事件值为2表示接收缓冲区内有字符 { variant_inp=m_ctrlComm.GetInput();//读缓冲区 safearray_inp=variant_inp;//VARIANTA型标量转换为ColeSafeArray型变量 len=safearray_inp.GetOneDimSize();//得到有效数据长度 for(k=0;k<len;k++) safearray_inp.GetElement(&k,rxdata+k);//转换为BYTE型数组 for(k=0;k<len;k++)//将数组转换为Cstring型变量 { BYTE bt=*(char*)(rxdata+k);//字符型 strtemp.Format("%c",bt);//将字符送入临时变量strtemp存放 m_strRXData+=strtemp;//加入接收编辑框对应字符串
} } UpdateData(FALSE); //更新编辑框内容 // TODO: Add your control notification handler code here
}void CSCommTestDlg::OnButtonManualsend() { // TODO: Add your control notification handler code here UpdateData(TRUE); //读取编辑框内容 m_ctrlComm.SetOutput(COleVariant(m_strTXData));//发送数据 }void CSCommTestDlg::OnChangeEditRxdata() { // TODO: If this is a RICHEDIT control, the control will not // send this notification unless you override the CDialog::OnInitDialog() // function and call CRichEditCtrl().SetEventMask() // with the ENM_CHANGE flag ORed into the mask.
// TODO: Add your control notification handler code here
//#include "stdafx.h"
#include "SCommTest.h"
#include "SCommTestDlg.h"#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App Aboutclass 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::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(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()/////////////////////////////////////////////////////////////////////////////
// CSCommTestDlg dialogCSCommTestDlg::CSCommTestDlg(CWnd* pParent /*=NULL*/)
: CDialog(CSCommTestDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CSCommTestDlg)
m_strRXData = _T("");
m_strTXData = _T("");
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}void CSCommTestDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CSCommTestDlg)
DDX_Control(pDX, IDC_MSCOMM1, m_ctrlComm);
DDX_Text(pDX, IDC_EDIT_RXDATA, m_strRXData);
DDX_Text(pDX, IDC_EDIT_TXDATA, m_strTXData);
//}}AFX_DATA_MAP
}BEGIN_MESSAGE_MAP(CSCommTestDlg, CDialog)
//{{AFX_MSG_MAP(CSCommTestDlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDOK, OnButtonManualsend)
ON_EN_CHANGE(IDC_EDIT_RXDATA, OnChangeEditRxdata)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()/////////////////////////////////////////////////////////////////////////////
// CSCommTestDlg message handlersBOOL CSCommTestDlg::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
m_ctrlComm.SetInBufferSize(100);//输入缓冲区大小
m_ctrlComm.SetOutBufferSize(100);//输出缓冲区大小
if(m_ctrlComm.GetPortOpen())
m_ctrlComm.SetPortOpen(FALSE);m_ctrlComm.SetCommPort(1); //选择com1
if( !m_ctrlComm.GetPortOpen())
m_ctrlComm.SetPortOpen(TRUE);//打开串口
else
AfxMessageBox("cannot open serial port");m_ctrlComm.SetSettings("19200,n,8,2"); //波特率9600,无校验,8个数据位,1个停止位m_ctrlComm.SetInputMode(1); //1:表示以二进制方式检取数据
m_ctrlComm.SetRThreshold(1);
//参数1表示每当串口接收缓冲区中有多于或等于1个字符时将引发一个接收数据的OnComm事件
m_ctrlComm.SetInputLen(0); //设置当前接收区数据长度为0
//m_ctrlComm.GetInput();//先预读缓冲区以清除残留数据
return TRUE; // return TRUE unless you set the focus to a control
}void CSCommTestDlg::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 CSCommTestDlg::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 CSCommTestDlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}BEGIN_EVENTSINK_MAP(CSCommTestDlg, CDialog)
//{{AFX_EVENTSINK_MAP(CSCommTestDlg)
ON_EVENT(CSCommTestDlg, IDC_MSCOMM1, 1 /* OnComm */, OnComm, VTS_NONE)
//}}AFX_EVENTSINK_MAP
END_EVENTSINK_MAP()void CSCommTestDlg::OnComm()
{
VARIANT variant_inp;
COleSafeArray safearray_inp;
LONG len,k;
BYTE rxdata[2048];//设置BYTE数组
CString strtemp;
if(m_ctrlComm.GetCommEvent()==2)//事件值为2表示接收缓冲区内有字符
{
variant_inp=m_ctrlComm.GetInput();//读缓冲区
safearray_inp=variant_inp;//VARIANTA型标量转换为ColeSafeArray型变量
len=safearray_inp.GetOneDimSize();//得到有效数据长度
for(k=0;k<len;k++)
safearray_inp.GetElement(&k,rxdata+k);//转换为BYTE型数组
for(k=0;k<len;k++)//将数组转换为Cstring型变量
{
BYTE bt=*(char*)(rxdata+k);//字符型
strtemp.Format("%c",bt);//将字符送入临时变量strtemp存放
m_strRXData+=strtemp;//加入接收编辑框对应字符串
}
}
UpdateData(FALSE); //更新编辑框内容
// TODO: Add your control notification handler code here
}void CSCommTestDlg::OnButtonManualsend()
{
// TODO: Add your control notification handler code here
UpdateData(TRUE); //读取编辑框内容
m_ctrlComm.SetOutput(COleVariant(m_strTXData));//发送数据
}void CSCommTestDlg::OnChangeEditRxdata()
{
// TODO: If this is a RICHEDIT control, the control will not
// send this notification unless you override the CDialog::OnInitDialog()
// function and call CRichEditCtrl().SetEventMask()
// with the ENM_CHANGE flag ORed into the mask.
// TODO: Add your control notification handler code here
}
m_ctrlComm.SetOutBufferSize(100);//输出缓冲区大小
改成1024也不行
variant_inp=m_ctrlComm.GetInput();//读缓冲区
safearray_inp=variant_inp;//VARIANTA型标量转换为ColeSafeArray型变量
len=safearray_inp.GetOneDimSize();//得到有效数据长度
在这里就出错了