pc_usbdmadlg.cpp

周立功 214x pack 配套光盘

// PC_USBDMADlg.cpp : implementation file
//

#include "stdafx.h"
#include "PC_USBDMA.h"
#include "PC_USBDMADlg.h"

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

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

/////////////////////////////////////////////////////////////////////////////
// CPC_USBDMADlg dialog

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

void CPC_USBDMADlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CPC_USBDMADlg)
	DDX_Text(pDX, IDC_DISPREC, m_DispRec);
	DDX_Text(pDX, IDC_DISPSEND, m_DispSend);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CPC_USBDMADlg, CDialog)
	//{{AFX_MSG_MAP(CPC_USBDMADlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_SEND, OnSend)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CPC_USBDMADlg message handlers

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

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





/***********************************************************
** 函数名称: CString IntToASCII(unsigned char input)
** 功能描述: 将两位的无符号整数转换为字符串
** 输　  入:   unsigned char input : 16进制数
** 输    出:   input  的字符串形式  

  ** 例    如： 0xFF - > "FF" 
************************************************************/
CString IntToASCII(unsigned char input)
{
	char temp[2];
	char exchange;
	CString output = "";		
	itoa(input,temp,16);		//结果高位放于temp[0],低位放于temp[1]
	
	if (temp[1] == 0)	        //因为如果input为0x0F 时，结果为 'F','0';	
	{						    //所以要交换一下temp[1]与temp[0]
		exchange = temp[1];
		temp[1]  = temp[0];
		temp[0]  = exchange;
	}	
	
	if (temp[0] == 0)  output += "0";
	   else	           output += temp[0];
	   
	   if (temp[1] == 0)  output += "0";
	   else            output += temp[1];
	   
	   return output;
}



#include "EasyUSB214x.h"					//include the header file of EasyUSB214x.dll 



void CPC_USBDMADlg::OnSend() 
{
	unsigned char sendbuf[3072];			/* send buffer      */
	unsigned char recbuf[3072];				/* receive buffer   */
	int i;
	
	srand((unsigned)time(NULL));			/* use the current time as the random bytes */;
	for (i = 0; i < sizeof(sendbuf); i++)
	{
		sendbuf[i] = (rand() & 0xFF);
		recbuf[i] = 0;						/* clear the receiving buffer */
	}
		
	m_DispSend = "";
	for (i = 0; i < sizeof(sendbuf); i++)
		m_DispSend += IntToASCII(sendbuf[i]) + " ";
	
	UpdateData(FALSE);
		
	/* send 3072 random bytes to LPC2148 */
	int ret = WriteData214x(3,sendbuf,sizeof(sendbuf),1000);
	if (ret != sizeof(sendbuf))
	{
		MessageBox("send data error!");	
		return;
	}
		
	/* receive 3072 random bytes from LPC2148 */
	ret = ReadData214x(2,recbuf,sizeof(sendbuf),10000);
	if (ret != sizeof(sendbuf))
	{
		MessageBox("receive data error!");
		return;
	}	
		
	/* verify the received data */
	if (memcmp(sendbuf,recbuf,sizeof(sendbuf)) != 0)
	{
		MessageBox("verify error!");
		return;
	}
	
	/* display the received data */
	m_DispRec = "";						
	for (i = 0; i < sizeof(sendbuf); i++)
		m_DispRec += IntToASCII(recbuf[i]) + " ";
	
	UpdateData(FALSE);
}