aaadlg.cpp

本人调试通过的串口通信程序,对初学者有一定的参考价值

// aaaDlg.cpp : implementation file
//

#include "stdafx.h"
#include "aaa.h"
#include "aaaDlg.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::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()

/////////////////////////////////////////////////////////////////////////////
// CAaaDlg dialog

CAaaDlg::CAaaDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CAaaDlg::IDD, pParent)
{

	//{{AFX_DATA_INIT(CAaaDlg)
	m_ReceiveData = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CAaaDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAaaDlg)
	DDX_Control(pDX, IDC_CHECK1, m_hex);
	DDX_Text(pDX, IDC_EDIT1, m_ReceiveData);
	DDX_Control(pDX, IDC_MSCOMM2, m_Comm);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAaaDlg, CDialog)
	//{{AFX_MSG_MAP(CAaaDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
	ON_BN_CLICKED(IDC_BUTTON2, OnButton2)
	ON_BN_CLICKED(ID_SAVE, OnSave)
	ON_BN_CLICKED(IDC_BUTTON3, OnSend)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CAaaDlg message handlers

BOOL CAaaDlg::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 CAaaDlg::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 CAaaDlg::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 CAaaDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CAaaDlg::OnOK() 
{
	// TODO: Add extra validation here
		m_ReceiveData.Empty();//清除接收对话框中的数据

//m_SendData.Empty();//清除发送对话框中的数据

	UpdateData(FALSE);
	
	//CDialog::OnOK();
}

void CAaaDlg::OnCancel() 
{
	// TODO: Add extra cleanup here
	if( m_Comm.GetPortOpen())
		m_Comm.SetPortOpen(false);//串口关闭
	
	CDialog::OnCancel();
}

void CAaaDlg::OnButton1() 
{
	// TODO: Add your control notification handler code here
//	m_Comm.SetCommPort(1);
//	CString temp;
//	int i=9600;
//	temp.Format("%d,n,8,1",i);
//	m_Comm.SetSettings(temp);
//	m_Comm.SetOutBufferSize(1024);
//	m_Comm.SetInBufferSize(1024);
	if( !m_Comm.GetPortOpen())
	m_Comm.SetPortOpen(TRUE);//打开串口
}

BEGIN_EVENTSINK_MAP(CAaaDlg, CDialog)
    //{{AFX_EVENTSINK_MAP(CAaaDlg)
//	ON_EVENT(CAaaDlg, IDC_MSCOMM1, 1 /* OnComm */, OnComm, VTS_NONE)
	ON_EVENT(CAaaDlg, IDC_MSCOMM2, 1 /* OnComm */, OnOnCommMscomm2, VTS_NONE)
	//}}AFX_EVENTSINK_MAP
END_EVENTSINK_MAP()



void CAaaDlg::OnOnCommMscomm2() 
{
	// TODO: Add your control notification handler code here
	VARIANT m_input1;
	COleSafeArray m_input2;
	long length,i,m;
	BYTE data[1024];
	CString str;
	
	if(m_Comm.GetCommEvent()==2)//接收缓冲区内有字符
	{
		//m_ReceiveData.Empty();
	
		//ct++;
		//if(ct%16==0)
		//	m_ReceiveData+="\n\r";
		m_input1=m_Comm.GetInput();//读取缓冲区内的数据
		m_input2=m_input1;//将VARIANT型变量转换为ColeSafeArray型变量
		length=m_input2.GetOneDimSize();//确定数据长度
		for(i=0;i<length;i++)
		{
			m_input2.GetElement(&i,data+i);//将数据转换为BYTE型数组
		
		}

	//	if(ct%16==0)
	//		m_ReceiveData+="\n\r";
		for(i=0;i<length;i++)//将数组转换为Cstring型变量
		{
			BYTE a=* (char *)(data+i);
		//	data2[j++]=a;
	  
			if(m_hex.GetCheck())
			{
				str.Format("%02X ",a);
			}
			else
			{	
				str.Format("%c",a);
			}
		//	ct++;
			m_ReceiveData+=str;//////////////////////////
		//	if(ct%16==0)		m_ReceiveData+="\n\r";
				
				switch(k)
				{
					case 0:	
						if(flag==1)
						{	
							data0[j++] = a;
								
							if(j==33)
							{	
							 //if(j==33)/////////////CRC校验
								j=0;
								flag=0;
								count=0;
								for(m=0;m<32;m++)
									even(data0[m]);
								if(count%2==0)
									countR=1;
								else
									countR=0;

								if(countR==data0[32])
								{
									k++;
									BYTE TxData[5]={0X55,0x55,0X00,0x00,0X41};// 准备需要发送的命令，放在TxData[]中
									CByteArray array;
									array.RemoveAll();
									array.SetSize(5);
									for(m=0;m<5;m++)
									array.SetAt(m, TxData[m]);
									m_Comm.SetOutput(COleVariant(array)); // 发送数据
								
								  }
								else
								{
							
								
									BYTE TxData[5]={0X55,0x55,0X00,0x00,0X41};// 准备需要发送的命令，放在TxData[]中
									CByteArray array;
									array.RemoveAll();
									array.SetSize(5);
									for(m=0;m<5;m++)
										array.SetAt(m, TxData[m]);
									m_Comm.SetOutput(COleVariant(array)); // 发送数据
								}
							
							}

						}
						else
						{
							if(a==0x41)
								flag=1;
								j=0;
						}
						
					
						
						break;
						
					case 1:	
					
						if(flag==1)
						{	
							data1[j++] = a;
								
							if(j==33)
							{	
							 //if(j==18)/////////////CRC校验
								j=0;
								flag=0;
								count=0;
								for(m=0;m<32;m++)
									even(data1[m]);