eg03dlg.cpp

基于VC显示波形的程序

// Eg03Dlg.cpp : implementation file
//

#include "stdafx.h"
#include "Eg03.h"
#include "Eg03Dlg.h"

#include "Pcomm.h" //这里添加串口通信的头文件

#define BaudRate B57600 //波特率
#define DataBits BIT_8 //数据位
#define Parity P_NONE //效验位
#define StopBits STOP_1 //停止位

#define WM_PCOMM WM_USER+500 //自定义消息

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif


///////////////////////////串口中断回调函数//////////////////////////////////
VOID CALLBACK CntIrq(int port) 
{
	if(::AfxGetMainWnd()) 
	{
		if(::AfxGetMainWnd()->m_hWnd)
		{
			::PostMessage(::AfxGetMainWnd()->m_hWnd,WM_PCOMM,0,0); 
		}
	}
}

/////////////////////////////////////////////////////////////////////////////
// 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()

/////////////////////////////////////////////////////////////////////////////
// CEg03Dlg dialog

CEg03Dlg::CEg03Dlg(CWnd* pParent /*=NULL*/)
	: CDialog(CEg03Dlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CEg03Dlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CEg03Dlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CEg03Dlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CEg03Dlg, CDialog)
	//{{AFX_MSG_MAP(CEg03Dlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BTN_PORTOPEN, OnBtnPortopen)
	ON_BN_CLICKED(IDC_BTN_SEND, OnBtnSend)
	//}}AFX_MSG_MAP
	ON_MESSAGE(WM_PCOMM,OnPcomm) //这里是消息影射
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CEg03Dlg message handlers

BOOL CEg03Dlg::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
	((CComboBox *)GetDlgItem(IDC_COMPORT))->InsertString(0,"请选择");
	((CComboBox *)GetDlgItem(IDC_COMPORT))->InsertString(1,"1");
	((CComboBox *)GetDlgItem(IDC_COMPORT))->InsertString(2,"2");
	((CComboBox *)GetDlgItem(IDC_COMPORT))->InsertString(3,"3");
	((CComboBox *)GetDlgItem(IDC_COMPORT))->InsertString(4,"4");
	((CComboBox *)GetDlgItem(IDC_COMPORT))->InsertString(5,"5");
	((CComboBox *)GetDlgItem(IDC_COMPORT))->SetCurSel(1);
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CEg03Dlg::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 CEg03Dlg::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 CEg03Dlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CEg03Dlg::OnBtnPortopen() 
{
	// TODO: Add your control notification handler code here
	Port=GetDlgItemInt(IDC_COMPORT);
	CString a;
	GetDlgItemText(IDC_BTN_PORTOPEN,a);
	if(!strcmp(a,"打开"))
	{
		if(SIO_OK!=sio_open(Port))
		{
			MessageBox("串口打开错误");
		}
		else
		{
			sio_ioctl(Port,BaudRate,DataBits | StopBits | Parity);
			sio_cnt_irq(Port,CntIrq,1);
			SetDlgItemText(IDC_BTN_PORTOPEN,"关闭");
		}
	}
	else 
	{
		sio_close(Port);
		SetDlgItemText(IDC_BTN_PORTOPEN,"打开");
	}
}

/////////////////////////////////////////////////////////////
//函数:OnPcomm()
//功能:从串口读取数据
/////////////////////////////////////////////////////////////
void CEg03Dlg::OnPcomm()
{
	char buf[200];
	int end=sio_read(Port,buf,100);
	if(end)
	{
		CString a,b="";
		GetDlgItemText(IDC_EDIT_RECMSG,b);
		buf[end]=0;
		for(int i=0;i<end;i++)
		{
			a.Format("%X ",(unsigned char)buf[i]);
			b+=a;
		}
		SetDlgItemText(IDC_EDIT_RECMSG,b);
	}
}

void CEg03Dlg::OnBtnSend() 
{
	// TODO: Add your control notification handler code here
	CString a;
	unsigned char b=0;
	GetDlgItemText(IDC_EDIT_SEDMSG,a); //取得编辑框内所有文本
	a.MakeUpper();//全部转换为大写
	for(unsigned char i=0;i<a.GetLength();i+=3)
	{
		if(a.GetAt(i)>='A' && a.GetAt(i)<='Z') b=(a.GetAt(i)-55)*16; //判断填入的是字母还是数字,并把字符转换成十六进制数
		else if(a.GetAt(i)>='0' && a.GetAt(i)<='9') b=(a.GetAt(i)-0x30)*16;

		if(a.GetAt(i+1)>='A' && a.GetAt(i+1)<='Z') b+=(a.GetAt(i+1)-55);
		else if(a.GetAt(i+1)>='0' && a.GetAt(i+1)<='9') b+=(a.GetAt(i+1)-0x30);

		sio_putch(Port,b); //发送
	}
}