comportbase.cpp

PW芯片方案Flash ROM烧写程序

//---------------------------------------------------------------------------
// Pixelworks Inc. Company Confidential Strictly Private
//
// $Archive: /SwTools/FlashUpgrader/ComPortBase.cpp $
// $Revision: 1.1.1.1 $
// $Author: KevinM $
// $Date: 2003/09/29 18:19:04 $
//
// --------------------------------------------------------------------------
// >>>>>>>>>>>>>>>>>>>>>>>>> COPYRIGHT NOTICE <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
// --------------------------------------------------------------------------
// Copyright 1997 (c) Pixelworks Inc.
//
// Pixelworks owns the sole copyright to this software. Under international 
// copyright laws you (1) may not make a copy of this software except for 
// the purposes of maintaining a single archive copy, (2) may not derive
// works herefrom, (3) may not distribute this work to others. These rights 
// are provided for information clarification, other restrictions of rights 
// may apply as well.
//
// This is an unpublished work.
// --------------------------------------------------------------------------
// >>>>>>>>>>>>>>>>>>>>>>>>>>>> WARRANTEE <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
// --------------------------------------------------------------------------
// Pixelworks Inc. MAKES NO WARRANTY OF ANY KIND WITH REGARD TO THE USE OF
// THIS SOFTWARE, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
// THE IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR
// PURPOSE.
// --------------------------------------------------------------------------

#include "stdafx.h"
#include "ComPortBase.h"

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

//----------------------------------------------------------------------------
//
//----------------------------------------------------------------------------
CComPortBase::CComPortBase()
{
    m_pWnd = NULL;
}

//----------------------------------------------------------------------------
//
//----------------------------------------------------------------------------
CComPortBase::~CComPortBase()
{
}

BEGIN_MESSAGE_MAP(CComPortBase, CCommunication)
	//{{AFX_MSG_MAP(CComPortBase)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

//----------------------------------------------------------------------------
//
//----------------------------------------------------------------------------
BOOL CComPortBase::Create(CWnd *pWnd)
{
    m_pWnd = pWnd;

    ASSERT(m_pWnd);

	if (m_eComm == ccUSB)
	{
		// Don't need to do anything for USB
	}
	else
	{
		if (FALSE == CCommunication::Initialize(pWnd->m_hWnd))
		{
			TRACE("Initialize Communications Object failed\n");
			return FALSE;
		}
	}

    return TRUE;
}

//----------------------------------------------------------------------------
//
//----------------------------------------------------------------------------
BOOL CComPortBase::SetBaudRate(int nBaudRate)
{
    return CCommunication::SetBaudRate(nBaudRate);
}

//----------------------------------------------------------------------------
//
//----------------------------------------------------------------------------
BOOL CComPortBase::SetComPort(int nPort)
{
	BOOL		bRet = TRUE;

#ifdef BUILD_USB_CONFIG
	if (nPort == -1) // If this is USB
	{
		m_eComm = ccUSB;
		if (m_pUsb)
		{
			delete m_pUsb;
		}
		m_pUsb = new CPWUsb;
		bRet = m_pUsb->Initialize(10);
	}
	else // This is serial
#endif
	{
		m_eComm = ccSERIAL;
		try
		{
			if (GetPortOpen())
			{
				CCommunication::SetPortOpen(FALSE);
			}

			bRet = CCommunication::SetCommPort(nPort);
			if (bRet)
			{
				bRet = CCommunication::SetPortOpen(TRUE);
			}
		}
		catch(CException *pExc)
		{
			TRACE("Caught Exception\n");
			pExc->Delete();
			bRet = FALSE;
		}
	}

	return bRet;
}

//----------------------------------------------------------------------------
//
//----------------------------------------------------------------------------
BOOL CComPortBase::CloseComPort()
{
#ifdef BUILD_USB_CONFIG
	if (m_eComm == ccUSB)
	{
		if (m_pUsb)
		{
			delete m_pUsb;
			m_pUsb = NULL;
		}
	}
	else
#endif
	{
		try
		{
			if (CCommunication::GetPortOpen())
			{
				CCommunication::SetPortOpen(FALSE);
			}
		}
		catch(CException *pExc)
		{
			TRACE("Caught Exception\n");
			pExc->Delete();
			return FALSE;
		}
	}

    return TRUE;
}

/////////////////////////////////////////////////////////////////////////////
// CComPortBase message handlers

//----------------------------------------------------------------------------
//
//----------------------------------------------------------------------------
void CComPortBase::OnComPortMessage(long wParam, long lParam)
{
    switch(wParam)
    {
        case vbMSCommEvReceive:
        {
            CByteArray byteArray;
            GetInput(byteArray);
            ReceivedData(byteArray);
        }
        break;

        default:
            TRACE("Unknown value. wParam= %d\n", wParam);
    }
}