terminalview.cpp

用VC写的串口通信程序(控件方式)

// TerminalView.cpp : implementation of the CTerminalView class
//

#include "stdafx.h"
#include "Terminal.h"
#include "stdlib.h"
#include "TerminalDoc.h"
#include "TerminalView.h"
#include "SetupDlg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CTerminalView

IMPLEMENT_DYNCREATE(CTerminalView, CEditView)

BEGIN_MESSAGE_MAP(CTerminalView, CEditView)
	//{{AFX_MSG_MAP(CTerminalView)
	ON_MESSAGE(WM_COMMNOTIFY, OnCommNotify)
	ON_WM_CHAR()
	ON_BN_CLICKED(IDC_CLEARTEXT, OnCleartext)
	//}}AFX_MSG_MAP
	// Standard printing commands
	ON_COMMAND(ID_FILE_PRINT, CEditView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CEditView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CEditView::OnFilePrintPreview)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CTerminalView construction/destruction

CTerminalView::CTerminalView()
{
	// TODO: add construction code here

}

CTerminalView::~CTerminalView()
{
}

BOOL CTerminalView::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	BOOL bPreCreated = CEditView::PreCreateWindow(cs);
	cs.style &= ~(ES_AUTOHSCROLL|WS_HSCROLL);	// Enable word-wrapping

	return bPreCreated;
}

/////////////////////////////////////////////////////////////////////////////
// CTerminalView drawing

void CTerminalView::OnDraw(CDC* pDC)
{
	CTerminalDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
}

/////////////////////////////////////////////////////////////////////////////
// CTerminalView printing

BOOL CTerminalView::OnPreparePrinting(CPrintInfo* pInfo)
{
	// default CEditView preparation
	return CEditView::OnPreparePrinting(pInfo);
}

void CTerminalView::OnBeginPrinting(CDC* pDC, CPrintInfo* pInfo)
{
	// Default CEditView begin printing.
	CEditView::OnBeginPrinting(pDC, pInfo);
}

void CTerminalView::OnEndPrinting(CDC* pDC, CPrintInfo* pInfo)
{
	// Default CEditView end printing
	CEditView::OnEndPrinting(pDC, pInfo);
}

/////////////////////////////////////////////////////////////////////////////
// CTerminalView diagnostics

#ifdef _DEBUG
void CTerminalView::AssertValid() const
{
	CEditView::AssertValid();
}

void CTerminalView::Dump(CDumpContext& dc) const
{
	CEditView::Dump(dc);
}

CTerminalDoc* CTerminalView::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CTerminalDoc)));
	return (CTerminalDoc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CTerminalView message handlers
LRESULT CTerminalView::OnCommNotify(WPARAM wParam, LPARAM lParam)

{
	char buf[MAXBLOCK/4];
	CString str;
	int nLength, nTextLength;
	CTerminalDoc* pDoc=GetDocument();
	CEdit& edit=GetEditCtrl();
	if(!pDoc->m_bConnected ||(wParam & EV_RXCHAR)!=EV_RXCHAR) // 是否是EV_RXCHAR事件?
	{
	SetEvent(pDoc->m_hPostMsgEvent); // 允许发送下一个WM_COMMNOTIFY消息
	return 0L;
	}
	nLength=pDoc->ReadComm(buf,100);
	if(nLength)
	{
	nTextLength=edit.GetWindowTextLength();
	edit.SetSel(nTextLength,nTextLength); //移动插入光标到正文末尾
	char num[20];
	wsprintf(num,"\r\n接收到 %d个字符: ",nLength);
	//MessageBox(num);
	str+=num;
	if(pDoc->m_Hex==TRUE)
	{
	char bb[2];
	int hh=0;
	for(int t=0;t<nLength;t++)
		{
		hh=(int)buf[t];
		hh=hh&0x0f;
		wsprintf(bb,"%x",hh);
		str+=bb;
	//	CFile fDataCreate(".\\mydat.txt",CFile::modeCreate|CFile::modeWrite);
	//	fDataCreate.Write(str,nLength);
		}
	}

	else
		for(int i=0;i<nLength;i++)
		{ 
			switch(buf[i])
			{
		/*		case '\r': // 回车
					if(!pDoc->m_bNewLine) 
					break;
				case '\n': // 换行
					str+="\r\n";
					break;
				case '\b': // 退格
					edit.SetSel(-1, 0);
					edit.ReplaceSel(str);
					nTextLength=edit.GetWindowTextLength();
					edit.SetSel(nTextLength-1,nTextLength);
					edit.ReplaceSel(""); //回退一个字符
					str="";
					break;
				case '\a': // 振铃 
					MessageBeep((UINT)-1);
					break;
		*/		default :
					str+=buf[i];//接收的常用字符
			}
		}
	edit.SetSel(-1, 0);
	edit.ReplaceSel(str); // 向编辑视图中插入收到的字符
	}
	SetEvent(pDoc->m_hPostMsgEvent); // 允许发送下一个WM_COMMNOTIFY消息
	return 0L;
}

void CTerminalView::OnChar(UINT nChar, UINT nRepCnt, UINT nFlags) 

{// TODO: Add your message handler code here and/or call default
	CTerminalDoc* pDoc=GetDocument();
	char c=(char)nChar;
	if(!pDoc->m_bConnected)
	return;
	pDoc->WriteComm(&c, 1);
	if(pDoc->m_bEcho) 
	CEditView::OnChar(nChar, nRepCnt, nFlags); // 本地回显
}


void CTerminalView::OnCleartext() 
{
	// TODO: Add your control notification handler code here
//	CClientDC dc(this);
//	Invalidate(this);
//	CTerminalDoc* pDoc = GetDocument();
//	CEdit& edit=GetEditCtrl();
//	edit.Clear();

}