buscontroldlg.cpp

导师刚刚让我做的小项目,是智能公交站台的一部分,其中有串口通讯,和vc类之间通讯,还有改变控件的颜色等

// buscontrolDlg.cpp : 实现文件
//

#include "stdafx.h"
#include "buscontrol.h"
#include "buscontrolDlg.h"
#include ".\buscontroldlg.h"



#ifdef _DEBUG
#define new DEBUG_NEW
#endif


//UINT lpCommThreadProc(LPVOID lpParam)

// 用于应用程序“关于”菜单项的 CAboutDlg 对话框

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// 对话框数据
	enum { IDD = IDD_ABOUTBOX };

	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV 支持

// 实现
protected:
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
END_MESSAGE_MAP()


// CbuscontrolDlg 对话框

CbuscontrolDlg::CbuscontrolDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CbuscontrolDlg::IDD, pParent)
	, m_pCommThread(NULL)
	, m_bExitThread(FALSE)
	, m_nPort(1)
	, m_nBaud(9600)
	, m_nParity(0)
	, m_nStopBits(0)
	, m_nDataBits(8)
	, m_bOpened(FALSE)
	, m_comrefer(NULL)
	, m_sigrefer(NULL)
	, dwBytesRead(0)
	, numofdata(0)
{
	m_hComDev=NULL;
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);

	myFont.CreateFont(
		
		                 50,
						 15,
						 0,
						 0,
						 FW_BOLD,
						 TRUE,
						 FALSE,
						 FALSE,
						 GB2312_CHARSET,
						 OUT_STROKE_PRECIS,
						 CLIP_STROKE_PRECIS,
						 DRAFT_QUALITY,
						 VARIABLE_PITCH|FF_MODERN,
                         "楷体_GB2312"
		               );
	m_clrText1 = RGB( 255,0,0 );
    m_clrBkgnd1 = RGB( 0,200,255);
    m_brBkgnd1.CreateSolidBrush( m_clrBkgnd1);
	m_clrText2 = RGB( 0,0,0 );
    m_clrBkgnd2 = RGB( 0,200,255 );
    m_brBkgnd2.CreateSolidBrush( m_clrBkgnd2);

}

void CbuscontrolDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
}

BEGIN_MESSAGE_MAP(CbuscontrolDlg, CDialog)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	//}}AFX_MSG_MAP
	ON_BN_CLICKED(IDC_BUTTON1, OnBnClickedButton1)
	ON_BN_CLICKED(IDC_BUTTON3, OnBnClickedButton3)
	ON_BN_CLICKED(IDC_BUTTON2, OnBnClickedButton2)
	ON_WM_CTLCOLOR()
	ON_WM_TIMER()
END_MESSAGE_MAP()


// CbuscontrolDlg 消息处理程序

BOOL CbuscontrolDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// 将\“关于...\”菜单项添加到系统菜单中。

	// IDM_ABOUTBOX 必须在系统命令范围内。
	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);
		}
	}

	// 设置此对话框的图标。当应用程序主窗口不是对话框时，框架将自动
	//  执行此操作
	SetIcon(m_hIcon, TRUE);			// 设置大图标
	SetIcon(m_hIcon, FALSE);		// 设置小图标

	m_hbrush=CreateSolidBrush(RGB(0,0,0));
	GetDlgItem(IDC_STATIC1)->SetFont(&myFont,TRUE);
	SetTimer(2,2000,NULL);
	m_bOpened=OpenPort();
	m_comrefer=new CComRefer(this);
	if(m_comrefer!=NULL)
	{
		m_comrefer->Create(IDD_DIALOG_COMREFER);
	}
	else
		MessageBox("创建对象失败","错误",MB_OK);
	m_sigrefer=new CSigRefer(this);
	if(m_sigrefer!=NULL)
	{
		m_sigrefer->Create(IDD_DIALOG_SIGREFER);
	}
	else
        MessageBox("创建对象失败","错误",MB_OK);
	m_bkBrush.CreateSolidBrush(RGB(0,200,255));

	// TODO: 在此添加额外的初始化代码
	
	return TRUE;  // 除非设置了控件的焦点，否则返回 TRUE
}

void CbuscontrolDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// 如果向对话框添加最小化按钮，则需要下面的代码
//  来绘制该图标。对于使用文档/视图模型的 MFC 应用程序，
//  这将由框架自动完成。

void CbuscontrolDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // 用于绘制的设备上下文

		SendMessage(WM_ICONERASEBKGND, reinterpret_cast<WPARAM>(dc.GetSafeHdc()), 0);

		// 使图标在工作矩形中居中
		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;

		// 绘制图标
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		//CRect rect;
        //CPaintDC dc(this);
        //GetClientRect(rect);
        //dc.FillSolidRect(rect,RGB(0,200,255));

		CDialog::OnPaint();
	}
}

//当用户拖动最小化窗口时系统调用此函数取得光标显示。
HCURSOR CbuscontrolDlg::OnQueryDragIcon()
{
	return static_cast<HCURSOR>(m_hIcon);
}

void CbuscontrolDlg::OnBnClickedButton1()
{
	m_comrefer->ShowWindow(SW_SHOW);// TODO: 在此添加控件通知处理程序代码
}

void CbuscontrolDlg::OnBnClickedButton3()
{
	KillTimer(1);
	KillTimer(2);
	KillTimer(3);
	ClosePort();
	OnCancel();// TODO: 在此添加控件通知处理程序代码
}

void CbuscontrolDlg::OnBnClickedButton2()
{
	m_sigrefer->ShowWindow(SW_SHOW);// TODO: 在此添加控件通知处理程序代码
}

HBRUSH CbuscontrolDlg::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor)
{
	HBRUSH hbr = CDialog::OnCtlColor(pDC, pWnd, nCtlColor);

	// TODO:  在此更改 DC 的任何属性
	if(nCtlColor==CTLCOLOR_DLG)   
		return   m_bkBrush; 
   if(nCtlColor== CTLCOLOR_STATIC)
     {
           if (pWnd->GetDlgCtrlID() == IDC_STATIC1)
              {
	              pDC->SetTextColor( m_clrText1 );    // text
                  pDC->SetBkColor( m_clrBkgnd1 );    // text bkgnd
                  return m_brBkgnd1;                // ctl bkgnd

              }
           if (pWnd->GetDlgCtrlID() == IDC_STATIC2)
              {
	               pDC->SetTextColor( m_clrText2 );    // text
                  pDC->SetBkColor( m_clrBkgnd2);    // text bkgnd
                  return m_brBkgnd2;                // ctl bkgnd

              }

      }
    else
		
            return CDialog::OnCtlColor(pDC, pWnd, nCtlColor);

	// TODO:  如果默认的不是所需画笔，则返回另一个画笔
	return hbr;
}

CbuscontrolDlg:: OpenPort(void)
{
	 if( m_bOpened ) return( TRUE );
     DCB dcb;
	 CString sPort;
	 int m_nPort=1;
	 sPort.Format(_T("\\\\.\\COM%d"),m_nPort);
     m_hComDev = CreateFile( sPort, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING,  FILE_FLAG_OVERLAPPED, NULL );
    if( m_hComDev == NULL ) return( FALSE );
	if(m_hComDev==INVALID_HANDLE_VALUE)
		MessageBox("yi");

    memset( &m_OverlappedRead, 0, sizeof( OVERLAPPED ) );
    memset( &m_OverlappedWrite, 0, sizeof( OVERLAPPED ) );

   COMMTIMEOUTS CommTimeOuts;
   CommTimeOuts.ReadIntervalTimeout = 0xFFFFFFFF;
   CommTimeOuts.ReadTotalTimeoutMultiplier = 0;
   CommTimeOuts.ReadTotalTimeoutConstant = 0;
   CommTimeOuts.WriteTotalTimeoutMultiplier = 0;
   CommTimeOuts.WriteTotalTimeoutConstant = 5000;
   SetCommTimeouts( m_hComDev, &CommTimeOuts );

  m_OverlappedRead.hEvent = CreateEvent( NULL, TRUE, FALSE, NULL );
  m_OverlappedWrite.hEvent = CreateEvent( NULL, TRUE, FALSE, NULL );

  dcb.DCBlength = sizeof( DCB );
  GetCommState( m_hComDev, &dcb );
  dcb.BaudRate = 9600;
  dcb.ByteSize = 8;
  dcb.Parity=NOPARITY;
  dcb.StopBits=ONESTOPBIT;

  if( !SetCommState( m_hComDev, &dcb ) ||
  !SetupComm( m_hComDev, 1024, 1024 ) ||
   m_OverlappedRead.hEvent == NULL ||
   m_OverlappedWrite.hEvent == NULL ){
       DWORD dwError = GetLastError();
       if( m_OverlappedRead.hEvent != NULL ) CloseHandle( m_OverlappedRead.hEvent );
       if( m_OverlappedWrite.hEvent != NULL ) CloseHandle( m_OverlappedWrite.hEvent );
      CloseHandle( m_hComDev );
      return FALSE;
      }

    m_bOpened = TRUE;

   return m_bOpened;
}

void CbuscontrolDlg::ClosePort(void)
{
	 CloseHandle( m_hComDev );
     m_bOpened = FALSE;
	
}

int CbuscontrolDlg::InBufferCount(void)
{
	if( !m_bOpened || m_hComDev == NULL ) return( 0 );

    DWORD dwErrorFlags;
   COMSTAT ComStat;
   ClearCommError( m_hComDev, &dwErrorFlags, &ComStat );

   return (int)ComStat.cbInQue;

}

DWORD CbuscontrolDlg::ReadData(BYTE* buffer, DWORD dwBytesRead)
{
	if( !m_bOpened||m_hComDev==NULL ) return 0;

     BOOL bReadStatus;
     DWORD dwErrorFlags;
     COMSTAT ComStat;

     ClearCommError( m_hComDev, &dwErrorFlags, &ComStat );
     dwBytesRead = min(dwBytesRead,(DWORD) ComStat.cbInQue);

     bReadStatus = ReadFile( m_hComDev, buffer, dwBytesRead, &dwBytesRead, &m_OverlappedRead );
     if( !bReadStatus ){
             if( GetLastError() == ERROR_IO_PENDING ){
                     WaitForSingleObject( m_OverlappedRead.hEvent, 2000 );
             return dwBytesRead;
      }
    return 0;
}

return dwBytesRead;

}

void CbuscontrolDlg::OnTimer(UINT nIDEvent)
{
	BYTE buffer[1024]={0};int staofbus=0;
	
	if(nIDEvent==2)
	{
	   dwBytesRead=InBufferCount();
	   dwBytesRead=ReadData(buffer,dwBytesRead);
       // dwBytesRead=1;buffer[0]=0X4D;buffer[2]=0X7;buffer[3]=0X1;

		if(dwBytesRead>0)
		{
		
		   for(DWORD i=0;i<dwBytesRead;i=i+6)
		       {
			  
			       for(int j=0;j<6;j++)
					   buffer[j]=buffer[i+j];

		           if(((buffer[0]&0X4D)==0X4D)&&((buffer[0]|0X4D)==0X4D))
				         {
				                 if(((buffer[2]&0X7)==0X7)&&((buffer[2]|0X7)==0X7))
						               {
							                 staofbus=(int)buffer[3];
							                 m_sigrefer->SendMessage(WM_SIGCHDATA,0,(LPARAM)staofbus);
		                                     m_comrefer->SendMessage(WM_CHDATA,0,(LPARAM)staofbus);
						               }
						  }
				    if(((buffer[0]&0X69)==0X69)&&((buffer[0]|0X69)==0X69))
				          {
				                 if(((buffer[2]&0X7)==0X7)&&((buffer[2]|0X7)==0X7))
						               {
							                 staofbus=(int)buffer[3];
                                             staofbus=(staofbus|0X8000);
							                 m_sigrefer->SendMessage(WM_SIGCHDATA,0,(LPARAM)staofbus);
		                                     m_comrefer->SendMessage(WM_CHDATA,0,(LPARAM)staofbus);
						               }
						 }
		       }
		
		}
			
		
		
	}

	// TODO: 在此添加消息处理程序代码和/或调用默认值

	CDialog::OnTimer(nIDEvent);
}