www.pudn.com > rs232send and receive.rar > rs232Dlg.cpp
// rs232Dlg.cpp : implementation file
//
#include "stdafx.h"
#include "rs232.h"
#include "rs232Dlg.h"
#include "string.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
#define comEvReceive 2
#define comInputModeBinary 1
unsigned char Revdata[300];
static int SavePointer=0;
unsigned char Tdata[300];
int sign1=0,sign2=0,sign3=0,sign4=0,sign5=0,sign6=0,length=0,sum=0;
CByteArray array;
/////////////////////////////////////////////////////////////////////////////
// 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::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()
/////////////////////////////////////////////////////////////////////////////
// CRs232Dlg dialog
CRs232Dlg::CRs232Dlg(CWnd* pParent /*=NULL*/)
: CDialog(CRs232Dlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CRs232Dlg)
m_Tdata = _T("");
m_Rdata = _T("");
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CRs232Dlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CRs232Dlg)
DDX_Text(pDX, IDC_TDATA, m_Tdata);
DDX_Text(pDX, IDC_RDATA, m_Rdata);
DDX_Control(pDX, IDC_MSCOMM, m_Comport);
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CRs232Dlg, CDialog)
//{{AFX_MSG_MAP(CRs232Dlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_BUTTON_TRANS, OnButtonTrans)
ON_BN_CLICKED(IDC_BUTTON_REC, OnButtonRec)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CRs232Dlg message handlers
BOOL CRs232Dlg::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_Comport.SetCommPort(1);
if(!m_Comport.GetPortOpen())
m_Comport.SetPortOpen(TRUE);
m_Comport.SetInputMode(comInputModeBinary);
m_Comport.SetSettings("1200,n,8,1");
m_Comport.SetRThreshold(1);
m_Comport.SetInputLen(0);
m_Comport.GetInput();
return TRUE; // return TRUE unless you set the focus to a control
}
void CRs232Dlg::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 CRs232Dlg::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 CRs232Dlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
void CRs232Dlg::OnButtonTrans()
{
// TODO: Add your control notification handler code here
int i;
CString str;
const char *p_char;
UpdateData(TRUE);
str=m_Tdata;
p_char=(LPCTSTR) str;
length=strlen(m_Tdata);
for(i=0;i<=length;i++)
{
Tdata[i]=p_char[i];
//str=m_Tdata.Left(i);
//(CString)Tdata[i-1]=str.Right(1);
m_Rdata += Tdata[i];
}
UpdateData(FALSE);
//sign1=1;
//Address();
}
BEGIN_EVENTSINK_MAP(CRs232Dlg, CDialog)
//{{AFX_EVENTSINK_MAP(CRs232Dlg)
ON_EVENT(CRs232Dlg, IDC_MSCOMM, 1 /* OnComm */, OnOnCommMscomm, VTS_NONE)
//}}AFX_EVENTSINK_MAP
END_EVENTSINK_MAP()
void CRs232Dlg::OnOnCommMscomm()
{
// TODO: Add your control notification handler code here
VARIANT vResponse;
int k;
if(m_Comport.GetCommEvent()==comEvReceive)
{
k=m_Comport.GetInBufferCount();
if(k>0)
{
m_Comport.SetInputLen(k);
vResponse=m_Comport.GetInput();
SaveData(k,(unsigned char *)vResponse.parray->pvData);
}
}
if((sign1=1)&&(sign2=0)&&(sign3=0))
{
if(Revdata[SavePointer-1]==0xF1)
Transrequest();
else Address();
}
else if((sign1=1)&&(sign2=1)&&(sign3=0))
{
if(Revdata[SavePointer-1]==0x00)
Transmitt();
else Transrequest();
}
else if((sign1=1)&&(sign2=1)&&(sign3=1))
{
if(Revdata[SavePointer-1]=sum)
sign1=0,sign2=0,sign3=0;
else Transmitt();
}
else if((sign4=1)&&(sign5=0))
{
if(Revdata[SavePointer-1]==0xF1)
Recrequest();
else Address();
}
else if((sign4=1)&&(sign5=1))
{
if(Revdata[SavePointer-1]==0xFF)
Receive();
else Recrequest();
}
else if((sign4=1)&&(sign5=1)&&(sign6))
{
if(Revdata[SavePointer-1]==sum)
{
CString str;
for(int i=0;i<20;i++)
str+=Revdata[i];
m_Rdata=str;
UpdateData(FALSE);
sign4=0,sign5=0,sign6=0;
}
else Receive();
}
}
void CRs232Dlg::OnButtonRec()
{
// TODO: Add your control notification handler code here
sign4=1;
Address();
}
void CRs232Dlg::Transmitt()
{
sign3=1;
int i=0;
sum=0;
//unsigned count;
//count=length;
array.RemoveAll();
array.SetAt(i,length);
if(!m_Comport.GetPortOpen())
m_Comport.SetPortOpen(TRUE);
m_Comport.SetOutput(COleVariant(array));
for(i=0;i