214xdemodlg.cpp

这个是基于lpc214x的usb的上位机应用程序

// 214xDemoDlg.cpp : implementation file
//

#include "stdafx.h"
#include "214xDemo.h"
#include "214xDemoDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CMy214xDemoDlg dialog

CMy214xDemoDlg::CMy214xDemoDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CMy214xDemoDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CMy214xDemoDlg)
	m_Ep1Rec = _T("");
	m_Ep2Rec = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CMy214xDemoDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMy214xDemoDlg)
	DDX_Text(pDX, IDC_EP1REC, m_Ep1Rec);
	DDX_Text(pDX, IDC_EP2REC, m_Ep2Rec);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CMy214xDemoDlg, CDialog)
	//{{AFX_MSG_MAP(CMy214xDemoDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDSEND, OnSend)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMy214xDemoDlg message handlers

BOOL CMy214xDemoDlg::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 CMy214xDemoDlg::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 CMy214xDemoDlg::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 CMy214xDemoDlg::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;
}


/*******************************************************************

  下面为 LPC214x USB 设备控制器 应用程序部分
  
*********************************************************************/

// 第一步: 加入EasyUSB214x.dll动态库头文件
#include "EasyUSB214x.h"


void CMy214xDemoDlg::OnSend() 
{
	unsigned char sendbuff1[16],recbuff1[16];	/* 逻辑端点 1 发送与接收缓冲区 */
	unsigned char sendbuff2[64],recbuff2[64];	/* 逻辑端点 2 发送与接收缓冲区 */
	int i;

	for (i = 0; i < 16; i++)
	{
		sendbuff1[i] = i;						/* 发送缓冲区填充00 ~ 0F */
		recbuff1[i] = 0;						/* 接收缓冲区清0 */
	}

	for (i = 0; i < 64; i++)
	{
		sendbuff2[i] = i;						/* 发送缓冲区填充00 ~ 3F */	
		recbuff2[i] = 0;						/* 接收缓冲区清0 */	
	}		

	// 第二步:  调用逻辑端点 1 发送数据函数发送 16 个字节
	int ret = WriteData214x(1, sendbuff1, sizeof(sendbuff1), 1000);
	if (ret != sizeof(sendbuff1))					     	//发送16个字节
	{
		MessageBox("逻辑端点 1 发送数据错误!");	
		return;
	}
	
	// 第三步:  调用逻辑端点 1 接收数据函数接收 16 个字节
	ret = ReadData214x(0, recbuff1, sizeof(recbuff1), 1000); //接收16个字节
	if (ret != sizeof(recbuff1))
	{
		MessageBox("逻辑端点 1 接收数据错误!");
		return;
	}

	// 校验
	if (memcmp(sendbuff1, recbuff1, sizeof(sendbuff1)) != 0)
	{
		MessageBox("逻辑端点 1 收/发校验失败!");
		return;
	}

	//-----------------------------------------------------------------------
	
	// 第四步:  调用逻辑端点 2 发送数据函数发送 64 个字节
	ret = WriteData214x(3, sendbuff2, sizeof(sendbuff2), 1000);
	if (ret != sizeof(sendbuff2))							//发送64个字节
	{
		MessageBox("逻辑端点 2 发送数据错误!");	
		return;
	}
	
	// 第五步:  调用逻辑端点 2 接收数据函数接收 64 个字节
	ret = ReadData214x(2, recbuff2, sizeof(recbuff2), 1000); //接收64个字节
	if (ret != sizeof(recbuff2))
	{
		MessageBox("逻辑端点 2 接收数据错误!");
		return;
	}
	
	// 校验
	if (memcmp(sendbuff2, recbuff2, sizeof(sendbuff2)) != 0)
	{
		MessageBox("逻辑端点 2 收/发校验失败!");
		return;
	}	

	// 将收到的数据显示出来
	m_Ep1Rec = "";											
	for (i = 0; i < sizeof(recbuff1); i++)							//显示收到的字节
		m_Ep1Rec += IntToASCII(recbuff1[i]) + " ";

	m_Ep2Rec = "";											
	for (i = 0; i < sizeof(recbuff2); i++)							//显示收到的字节
		m_Ep2Rec += IntToASCII(recbuff2[i]) + " ";	

	UpdateData(FALSE);	
	
	MessageBox("USB 收/发成功!");	
}