www.gusucode.com > 串口监视软件源程序，用于监视串口的读写操作（VC++7 > 串口监视软件源程序，用于监视串口的读写操作（VC++7.0版）-/LsCommDemoDlg.cpp

    // LsCommDemoDlg.cpp : 实现文件
//

#include "stdafx.h"
#include "LsCommDemo.h"
#include "LsCommDemoDlg.h"
#include "ComPropertyDlg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#endif


// 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()


// CLsCommDemoDlg 对话框



CLsCommDemoDlg::CLsCommDemoDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CLsCommDemoDlg::IDD, pParent)
{
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

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

BEGIN_MESSAGE_MAP(CLsCommDemoDlg, CDialog)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	//}}AFX_MSG_MAP
	ON_BN_CLICKED(IDC_BUTTON1, OnBnClickedBtnOutPut)
	ON_BN_CLICKED(IDC_BUTTON2, OnBnClickedBtnSyncRecv)
	ON_BN_CLICKED(IDC_BUTTON3, OnBnClickedBtnAscSyncRecv)
	ON_BN_CLICKED(IDC_BUTTON4, OnBnClickedButton4)
	ON_CBN_SELCHANGE(IDC_COMBO1, OnCbnSelchangeCombo1)
	ON_CBN_SELCHANGE(IDC_COMBO2, OnCbnSelchangeCombo2)
	ON_BN_CLICKED(IDC_BUTTON5, OnBnClickedBtnComProperty)
END_MESSAGE_MAP()


// CLsCommDemoDlg 消息处理程序

BOOL CLsCommDemoDlg::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

	// TODO：在此添加额外的初始化代码
    CComboBox* pComb = (CComboBox*) this->GetDlgItem(IDC_COMBO1);
	pComb->AddString("Com1");
	pComb->AddString("Com2");
    pComb->SetCurSel(1); 
	pComb=(CComboBox*)this->GetDlgItem(IDC_COMBO2); 
    pComb->AddString("手动查询串口方式(ManualQueryRecv)");
    pComb->AddString("手动定长查询方式(ManualConstRecv)");
    pComb->AddString("自动信号查询方式(AutoRecvBySignal)");
    pComb->AddString("自动中断查询方式(AutoRecvByBreak)");

    pComb->SetCurSel(2); 

	this->m_ComPort.Open(2,LsComm::CComPort::AutoReceiveBySignal ); 
	this->m_ComPort.SetReceiveFunc((FOnReceiveData)OnReceiveData,this); 
    this->m_ComPort.SetBreakHandleFunc(OnComBreak); 
	CWnd* pBtn=this->GetDlgItem(IDC_BUTTON2);
    pBtn->EnableWindow(false);
	pBtn=this->GetDlgItem(IDC_BUTTON3);
	pBtn->EnableWindow(false);

	return TRUE;  // 除非设置了控件的焦点，否则返回 TRUE
}

void CLsCommDemoDlg::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 CLsCommDemoDlg::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
	{
		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 CLsCommDemoDlg::OnQueryDragIcon()
{
	return static_cast<HCURSOR>(m_hIcon);
}

void OnReceiveData(LPVOID pSender,void* pBuf,DWORD InBufferCount)
{
	CString c;
	byte a[100];
	char b[4]="";
	memcpy(a,pBuf,InBufferCount);
	CLsCommDemoDlg* pDlg = (CLsCommDemoDlg*) pSender;
	CListBox*pList =(CListBox*)pDlg->GetDlgItem(IDC_LIST1);
	for(int i=0;i<(int)InBufferCount;i++)
	{
	  ::sprintf(b,"%2.2X",a[i]);
	   c+=" ";
	   c+=b;
	}
	c="接收(Receive):"+c;
	pList->AddString(c);
}

void CLsCommDemoDlg::OnBnClickedBtnOutPut()
{
	// TODO: 在此添加控件通知处理程序代码
	char a[10];
	CString c;
	for(int i=0;i<10;i++)
	{
		a[i]='b';
		c+=a[i];
		c+=" ";
	}
	this->m_ComPort.Output(a,sizeof(a)); 
	CListBox*pList =(CListBox*) this->GetDlgItem(IDC_LIST1);
	c="发送(Send):"+c;
	pList->AddString(c);
}

void CLsCommDemoDlg::OnBnClickedBtnSyncRecv()
{
	// TODO: 在此添加控件通知处理程序代码
   DWORD InBufferCount;
   byte pbuffer[2048];
   InBufferCount = this->m_ComPort.GetInBufferCount();
   if(InBufferCount>0)
   {
      this->m_ComPort.GetInput(pbuffer,InBufferCount);
   }
   else
	   return;
   CString c;  char a[4];
   
   for(int i=0;i<(int)InBufferCount;i++)
   {
	  ::sprintf(a,"%2.2X",pbuffer[i]);
      c+=a;
	  c+=" ";
   }
   c="接收(Receive):"+c;
   	CListBox* pList=(CListBox*)this->GetDlgItem(IDC_LIST1);
	pList->AddString(c);

}

void CLsCommDemoDlg::OnBnClickedBtnAscSyncRecv()
{
	// TODO: 在此添加控件通知处理程序代码
   DWORD InBufferCount=0;
   byte pbuffer[2048];
   InBufferCount=this->m_ComPort.GetInput(pbuffer,10);
   if(InBufferCount==0)
	   return;
   CString c;
   char a[4];
   
   for(int i=0;i<(int)InBufferCount;i++)
   {
	  ::sprintf(a,"%2.2X",pbuffer[i]);
      c+=a;
	  c+=" ";
   }
   c="接收(Receive):"+c;
   	CListBox* pList=(CListBox*)this->GetDlgItem(IDC_LIST1);
	pList->AddString(c);
}

void CLsCommDemoDlg::OnBnClickedButton4()
{
	// TODO: 在此添加控件通知处理程序代码
	CAboutDlg dlgAbout;
	dlgAbout.DoModal();
}

void CLsCommDemoDlg::OnCbnSelchangeCombo1()
{
	// 改变串口
	this->ChangeComOrMode(); 
}

void CLsCommDemoDlg::OnCbnSelchangeCombo2()
{
	// 改变接收模式
    this->ChangeComOrMode(); 
}

void CLsCommDemoDlg::OnBnClickedBtnComProperty()
{
	// TODO: 在此添加控件通知处理程序代码
	CComPropertyDlg dlg;
	
	DCB dcb;
	this->m_ComPort.GetSerialPort()->GetState(dcb);
    
	dlg.SetDCB(&dcb);

	int nPort = this->m_ComPort.GetCurPortNum();
	dlg.SetPortNum(&nPort);

	if(dlg.DoModal() == IDOK)
	{
       if(nPort!=this->m_ComPort.GetCurPortNum())
	   {
	      this->m_ComPort.Close();
		  this->m_ComPort.Open(nPort,LsComm::CComPort::AutoReceiveBySignal); 
	   }
       this->m_ComPort.GetSerialPort()->SetState(dcb);  

	}
}

void CLsCommDemoDlg::ChangeComOrMode()
{
    CComboBox* pComb;
	pComb = (CComboBox*)this->GetDlgItem(IDC_COMBO1); 
	int nComNum = pComb->GetCurSel()+1;  

	pComb = (CComboBox*)this->GetDlgItem(IDC_COMBO2); 
	int index = pComb->GetCurSel();
	LsComm::CComPort::ReceiveMode mode=
		LsComm::CComPort::ReceiveMode(LsComm::CComPort::ManualReceiveByQuery+index); 
    
	if(this->m_ComPort.GetSerialPort()->IsOpen())
	{
       DCB dcb;
	   this->m_ComPort.GetSerialPort()->GetState(dcb); //保存原有参数
	   this->m_ComPort.Close();
	   this->m_ComPort.Open(nComNum,mode);  
	   this->m_ComPort.GetSerialPort()->SetState(dcb); 
	}
	//设置按钮
    CWnd* pBtn=NULL;
	if(this->m_ComPort.GetReceiveMode()==LsComm::CComPort::ManualReceiveByQuery)
	{
	    pBtn=this->GetDlgItem(IDC_BUTTON2);
        pBtn->EnableWindow(true);
	    pBtn=this->GetDlgItem(IDC_BUTTON3);
		pBtn->EnableWindow(false);
	}
	else if(this->m_ComPort.GetReceiveMode()==LsComm::CComPort::ManualReceiveByConst)	
	{
	    pBtn=this->GetDlgItem(IDC_BUTTON2);
        pBtn->EnableWindow(false);
	    pBtn=this->GetDlgItem(IDC_BUTTON3);
		pBtn->EnableWindow(true);
	}
	else
	{
	    pBtn=this->GetDlgItem(IDC_BUTTON2);
        pBtn->EnableWindow(false);
	    pBtn=this->GetDlgItem(IDC_BUTTON3);
		pBtn->EnableWindow(false);	
	}
}

void OnComBreak(LPVOID pSender,DWORD dwMask,COMSTAT stat)
{
  //deal with the break of com here
}