hostdlg.cpp

C6000系列开发板之6701相关文档机说明

// HostDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Host.h"
#include "HostDlg.h"

#include "C62x.h"

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

BOOL bKillThread;
HANDLE m_hEventKillThread;

UINT GetDspMessage(LPVOID pParam)
{
	CThreadInfo *pInfo = (CThreadInfo *)pParam;

	EVM6XDLL_MESSAGE hMessage;
	
	int iRet;
	
	while (TRUE)
	{
		if (bKillThread)
		{
			SetEvent(m_hEventKillThread);
			break;
		}

		iRet = evm6x_retrieve_message(pInfo->hBd, &hMessage);

		if (iRet == TRUE)
			::SendMessage(pInfo->hWnd, DSP_MESSAGE, NULL, NULL);
	}

	return TRUE;
}

/////////////////////////////////////////////////////////////////////////////
// CHostDlg dialog

CHostDlg::CHostDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CHostDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CHostDlg)
	m_EditBox = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CHostDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CHostDlg)
	DDX_Text(pDX, IDC_EDIT1, m_EditBox);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CHostDlg, CDialog)
	//{{AFX_MSG_MAP(CHostDlg)
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(ID_SENDDATA, OnSenddata)
	ON_MESSAGE(DSP_MESSAGE, OnGetDspMessage)
	ON_BN_CLICKED(ID_RECDATA, OnRecdata)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CHostDlg message handlers

BOOL CHostDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// 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

	// Init DSP
	InitDSP(m_hBd, m_hHpi);
	
	// Thread Operations
	m_ThreadInfo.hBd = m_hBd;
	m_ThreadInfo.hWnd = m_hWnd;

	m_pWinThread = AfxBeginThread(GetDspMessage, &m_ThreadInfo);
	
	bKillThread = FALSE;
	m_hEventKillThread = CreateEvent(NULL, FALSE, FALSE, NULL); // auto reset, initially reset

	return TRUE;  // return TRUE  unless you set the focus to a control
}

// 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 CHostDlg::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 CHostDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CHostDlg::OnOK() 
{
	bKillThread = TRUE;

	WaitForSingleObject(m_hEventKillThread, INFINITE);
	CloseHandle(m_hEventKillThread);

	CloseDSP(m_hBd, m_hHpi);
	
	CDialog::OnOK();
}

void CHostDlg::OnSenddata() 
{
	ULONG ulLength = DATA_LEN * 4, i;
	EVM6XDLL_MESSAGE hMessage = 0x0000FFFF;
	char szData[10];

	for (i = 0; i < DATA_LEN; i++)
	{
		m_ulData[i] = i;
	}

	// Using Hpi to transfer data to dsp
	if (!evm6x_hpi_write(m_hHpi, (ULONG *)m_ulData, &ulLength, SDRAM_ADDR)) 
		exit(0);

	if (ulLength != (DATA_LEN * 4))
		exit(0);
	
	// Indicate data transfer complete
	evm6x_send_message(m_hBd, &hMessage);

	// Text out
	m_EditBox = "Begin Transfer Data...";
	
	for (i = 0; i < DATA_LEN; i++)
	{
		sprintf(szData, "%d ", m_ulData[i]);
		m_EditBox += szData;
	}

	m_EditBox += "	Waiting for DSP to process...";
	UpdateData(FALSE);
}

void CHostDlg::OnGetDspMessage()
{
	m_EditBox += "	DSP process complete.";
	UpdateData(FALSE);
}

void CHostDlg::OnRecdata() 
{
	ULONG ulLength = DATA_LEN * 4, i;
	EVM6XDLL_MESSAGE hMessage = 0x0000FFFF;
	char szData[10];

	m_EditBox = "Begin Receive Data...";
	
	// Using Hpi to Receive data from dsp
	if (!evm6x_hpi_read(m_hHpi, (ULONG *)m_ulData, &ulLength, SDRAM_ADDR)) 
		exit(0);

	if (ulLength != (DATA_LEN * 4))
		exit(0);
	
	for (i = 0; i < DATA_LEN; i++)
	{
		sprintf(szData, "%d ", m_ulData[i]);
		m_EditBox += szData;
	}
	UpdateData(FALSE);
}