sendview.cpp

一个VC++编写的串口通信程序

// SendView.cpp : implementation of the CSendView class
//

#include "stdafx.h"
#include "ComDbg.h"

#include "ComDbgDoc.h"
#include "SendView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CSendView

IMPLEMENT_DYNCREATE(CSendView, CEditView)

BEGIN_MESSAGE_MAP(CSendView, CEditView)
	//{{AFX_MSG_MAP(CSendView)
	ON_WM_CHAR()
	//}}AFX_MSG_MAP
	// Standard printing commands
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CSendView construction/destruction

CSendView::CSendView()
{
	m_pDoc=NULL;
	m_pedt=NULL;

	LOGFONT	lf;
	memset(&lf,0,sizeof(lf));
	lf.lfCharSet=GB2312_CHARSET;
	lf.lfOutPrecision=3;
	lf.lfClipPrecision=2;
	lf.lfQuality=1;
	lf.lfPitchAndFamily=2;
	lstrcpy(lf.lfFaceName,_T("宋体"));
	lf.lfHeight=-17;
	lf.lfWeight=FW_REGULAR;
	m_font.CreateFontIndirect(&lf);
}

CSendView::~CSendView()
{
}

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

	return CEditView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CSendView drawing
void CSendView::OnDraw(CDC* pDC){}
/////////////////////////////////////////////////////////////////////////////
// CSendView diagnostics

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CSendView message handlers

void CSendView::OnInitialUpdate() 
{
	CEditView::OnInitialUpdate();
	m_pDoc=GetDocument();
	m_pedt=&GetEditCtrl();
	SetFont(&m_font);
}
void CSendView::Clear()
{
	m_pedt->SetWindowText(_T(""));
}

void CSendView::OnChar(UINT nChar, UINT nRepCnt, UINT nFlags) 
{
//	if(!m_pDoc->m_com.IsOpened())	return;
	if(nChar == 13)	SendCmd();
	CEditView::OnChar(nChar,nRepCnt,nFlags);
}

void CSendView::SendCmd()
{
	CWaitCursor	wait;
	union{
		WORD	w;
		struct{
			BYTE lb;
			BYTE hb;
		};
	};
	CString szTrace=_T("Send: ");
	const	int	bufSize=512;
	char	szbuf[bufSize]={0};
	char	sztmp[32]={0};
	BYTE	bufData[256]={0};
	char*	p=szbuf;
	char*	p1=NULL;
	CPoint	pt=m_pedt->GetCaretPos();
	int	idx=(m_pedt->CharFromPos(pt)&0xffff0000)>>16;//得到行索引
	if(idx<0)	return;
	int	len=m_pedt->GetLine(idx,szbuf,bufSize);
	if(len<=0)	return;
	memset(szbuf+len,0,bufSize-len);
	idx=0;
	for(;*p!=0;)
	{
		if((*p>='0' && *p<='9') || (*p>='a' && *p<='f') || (*p>='A' && *p<='f'))
		{
			sscanf(p,_T("%X"),&w);
			bufData[idx]=lb;
			idx++;
			sprintf(sztmp,"%02X,",(lb&0xff));
			szTrace+=sztmp;
			while((*p>='0' && *p<='9') || (*p>='a' && *p<='f') || (*p>='A' && *p<='f'))
				p++;
		}
		else p++;
	}
	Trace(szTrace);
	m_pDoc->m_com.Send(bufData,idx);
}