d13_muchdlg.cpp

USB程序源代码,包括PC端和单片机端.USB控制芯片为PIDUSBD12.

// D13_MuchDlg.cpp : implementation file
//

#include "stdafx.h"
#include "D13_Much.h"
#include "D13_MuchDlg.h"
#define	READ_SIZE  1024
#define	SEND_SIZE  64
#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()

/////////////////////////////////////////////////////////////////////////////
// CD13_MuchDlg dialog

CD13_MuchDlg::CD13_MuchDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CD13_MuchDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CD13_MuchDlg)
	m_SendByte = _T("");
	m_ReceiveByte = _T("");
	m_num = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CD13_MuchDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CD13_MuchDlg)
	DDX_Text(pDX, IDC_SENDBYTE, m_SendByte);
	DDX_Text(pDX, IDC_RECEIVEBYTE, m_ReceiveByte);
	DDX_Text(pDX, IDC_SENDBYTE2, m_num);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CD13_MuchDlg, CDialog)
	//{{AFX_MSG_MAP(CD13_MuchDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_SEND, OnSend)
	ON_EN_CHANGE(IDC_SENDBYTE, OnChangeSendbyte)
	ON_EN_CHANGE(IDC_SENDBYTE2, OnChangeSendbyte2)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CD13_MuchDlg message handlers

BOOL CD13_MuchDlg::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 CD13_MuchDlg::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 CD13_MuchDlg::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 CD13_MuchDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}


//////////////下面为一些数据类型转换函数/////////////////////////////////////

/***********************************************************
** 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;
}


/***********************************************************
** 函数名称: void StrToHex(CString str,__int16 len,unsigned char *databuff)
** 功能描述: 将一串字符串转换为一串两位的16进制数
** 输　  入: CString   str              : 输入的字符串
			 __int16   outlen           : 输出的字节的长度
** 输    出: unsigned char  *databuff   : 输出的16进制数串
** 例    如： "FF" - > 0xFF ; "1236" - > 12 36
** 备    注：len <= 256
************************************************************/
void StrToHex(CString str,__int16 outlen,unsigned char *databuff)
{
	__int16 temp;

	for (__int16 i = 0; i < outlen; i++)
	{
		CString StrChar = str.Mid(2 * i,2);			//取出其中的两个字符
		sscanf(StrChar,"%x",&temp);			        //转换为16进制数
		databuff[i] = (unsigned char)temp;
	}
}
void StrToHex2(CString str,unsigned char count,unsigned int * data)
{
	__int16 temp[4];
	*data  = 0;
	for (__int16 i=0;i<4;i++)
	{
		temp[i] = 0;
	}

	for (i = 0; i < count; i++)
	{
		CString StrChar = str.Mid(i,1);		
		sscanf(StrChar,"%x",&temp[i+4-count]);
	}	
	
	*data = temp[0]*1000 + temp[1]*100 + temp[2]*10 + temp[3];
}
/***********************************************************
** 函数名称: OnChangeSendbyte
** 功能描述: 格式化输入的数据
************************************************************/
void CD13_MuchDlg::OnChangeSendbyte() 
{
	char tmp;								
    __int16 TxtLen = 0;
	
	UpdateData(TRUE);						//取得数据
	TxtLen = m_SendByte.GetLength();
	
	if (TxtLen == 0) return;
	if (TxtLen > 2)							//编辑框输入字节不允许超过167字节
	{
		m_SendByte.Delete(TxtLen -1);
	}
	else
	{
		tmp = m_SendByte.GetAt(TxtLen - 1);
		if ((tmp > 'A' - 1) && (tmp < 'F' + 1)||
			(tmp > 'a' - 1) && (tmp < 'f' + 1)||
			(tmp > '0' - 1) && (tmp < '9' + 1))
		{									//只许输入0 ~ 9 ;A(a) ~ F(f)
			m_SendByte.MakeUpper();			//转为大字
		}
		else
		{
			m_SendByte.Delete(TxtLen - 1);    //否则不接收
		}
	}
	
	UpdateData(FALSE);
	UpdateData(TRUE);
	((CEdit *)GetDlgItem(IDC_SENDBYTE))->SetSel(m_SendByte.GetLength(),
		m_SendByte.GetLength(),TRUE);	
}

/***********************************************************
** 函数名称: OnChangeSendbyte2
** 功能描述: 格式化输入的数据
************************************************************/
void CD13_MuchDlg::OnChangeSendbyte2() 
{
	char tmp;								
    __int16 TxtLen = 0;
	
	UpdateData(TRUE);						//取得数据
	TxtLen = m_num.GetLength();
	
	if (TxtLen == 0) return;
	if (TxtLen > 4)							
	{
		m_num.Delete(TxtLen -1);
	}
	else
	{
		tmp = m_num.GetAt(TxtLen - 1);
		if ((tmp > '0' - 1) && (tmp < '9' + 1))
		{									//只许输入0 ~ 9 
			m_num.MakeUpper();			//转为大字
		}
		else
		{
			m_num.Delete(TxtLen - 1);    //否则不接收
		}
	}
	
	UpdateData(FALSE);
	UpdateData(TRUE);
	((CEdit *)GetDlgItem(IDC_SENDBYTE2))->SetSel(m_num.GetLength(),
		m_num.GetLength(),TRUE);
	
}

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

							下面处理USB相关部分

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

#include "EasyUSB.h"					// 包含头文件

#define EP2_PACKET_SIZE 64				// D12端点2数据包的大小

/***********************************************************
** 函数名称: int senddata(unsigned char *psend,int len)
** 功能描述: 向D12的端点2发送数据
** 输	 入: unsigned char *psend:  发送缓冲区
		     int len:				发送字节数
** 输	 出: 0 -- 发送正确     1 -- 发送错误
************************************************************/
int senddata(unsigned char *psend,int len)
{
	int i,j,k;
	int ret;	
	unsigned char ack;
	unsigned char sendBuf[10];
	int offset = 0;
	
	i = len / (SEND_SIZE);									// 计算有多少个整数包(每包1024字节)
	j = len % (SEND_SIZE);									// 剩余包数
	
	sendBuf[0] = 0x01;										// 命令
	sendBuf[1] = offset / 256;								// 下位机接收缓冲区偏移offset
	sendBuf[2] = offset % 256;
	sendBuf[3] = len / 256;
	sendBuf[4] = len % 256;									// 发送的数据的字节数
	ret = WriteData(1,sendBuf,5,1000);
	if (ret != 5)											// 发送错误
	{
		sendBuf[0] = 0x03;
		WriteData(1,sendBuf,1,1000);						// 发送停止命令
		return -1;
	}

	for (k = 0; k < i; k++)
	{				
		ret = WriteData(3,psend,SEND_SIZE,3000);	
		if (ret != SEND_SIZE)								// 发送错误
		{
			sendBuf[0] = 0x03;
			WriteData(1,sendBuf,1,3000);					// 发送停止命令
			return -1;
		}
		psend = psend + SEND_SIZE ;			
		offset = offset + SEND_SIZE ;		
	}


	if (j != 0)		
	{		
		ret = WriteData(3,psend,j,3000);			    	// 发送不够整数包的数据	
		if (ret != j) 	
		{
			sendBuf[0] = 0x03;
			WriteData(1,sendBuf,1,3000);					// 发送停止命令
			return -1;
		}
		psend = psend + j ;			
		offset = offset + j ;
	}

	ret = ReadData(0,&ack,1,3000);							// 接收下位机的响应
	if (ret != 1)											// 接收错误
	{
		sendBuf[0] = 0x03;
		WriteData(1,sendBuf,1,3000);						// 发送停止命令
		return -1;
	}
	if (ack != 1)											// 响应错误
	{
		sendBuf[0] = 0x03;
		WriteData(1,sendBuf,1,3000);						// 发送停止命令
		return -1;
	}
	return 0;												// 正确
}

/***********************************************************
** 函数名称: int recdata(unsigned char *prec,int len)
** 功能描述: 从D12的端点 2 接收数据
** 输	 入: unsigned char *psend:  发送缓冲区
		     int len:	            发送字节数
** 输	 出: 0 -- 发送正确     1 -- 发送错误
************************************************************/
int recdata(unsigned char *prec,int len)
{
	int i,j,k;
	unsigned char sendbuf[5];
	int ret;

	i = len / READ_SIZE;
	j = len % READ_SIZE;
	int offset = 0;
	
	for(k = 0; k < i; k++)
	{
		sendbuf[0] = 0x02;									//命令字节
		sendbuf[1] = offset / 256;							//偏移量
		sendbuf[2] = offset % 256;
		sendbuf[3] = READ_SIZE / 256;						//每次读的长度
		sendbuf[4] = READ_SIZE % 256;
			
		ret = WriteData(1,sendbuf,5,1000);					//发送读命令
		if (ret != 5) 	
		{	
			sendbuf[0] = 0x03;
			WriteData(1,sendbuf,1,1000);					//发送停止命令
			return -1;
		}

		ret = ReadData(2,prec,READ_SIZE,3000);				//读数据
		if (ret != READ_SIZE)  
		{
			sendbuf[0] = 0x03;
			WriteData(1,sendbuf,1,1000);					//发送停止命令
			return -1;
		}
		offset = offset + READ_SIZE;
		prec = 	prec + READ_SIZE;
	}
	
	if (j != 0)
	{														//读不够READ_SIZE字节的数据
		sendbuf[0] = 0x02;
		sendbuf[1] = offset / 256;
		sendbuf[2] = offset % 256;
		sendbuf[3] = j / 256;
		sendbuf[4] = j % 256;

		ret = WriteData(1,sendbuf,5,1000);					//发送读命令
		if (ret != 5) 	
		{
			sendbuf[0] = 0x03;
			WriteData(1,sendbuf,1,1000);					//发送停止命令
			return -1;
		}
		
		ret = ReadData(2,prec,j,3000);						//读j个字节
		if (ret != j)  
		{
			sendbuf[0] = 0x03;
			WriteData(1,sendbuf,1,1000);					//发送停止命令
			return -1;
		}
		offset = offset + j;
		prec = 	prec + j;
	}
		
	return 0;												//读成功
}


/***********************************************************
** 函数名称: void CD13_MuchDlg::OnSend() 
** 功能描述: 按 "发送" 按键触发的事件 
** 输	 入: 无
** 输	 出: 无
************************************************************/
void CD13_MuchDlg::OnSend() 
{
	unsigned char sendbuf[1024];			//发送缓冲区
	unsigned char recbuf[1024];				//接收缓冲区
	unsigned char Inbyte;					//要发送的字节
	unsigned int num;						//要发送的字节数
	unsigned int i,ret;
	
	UpdateData(TRUE);

	if (m_SendByte.GetLength() != 2)	
	{											//取得要发送的字节
		MessageBox("请输入要发送的字节");
		return;
	}
	
	StrToHex(m_SendByte,1,&Inbyte);			    //将字符串转换为字节

	if ((m_num.GetLength() > 4)||(m_num.GetLength() == 0))
	{										    //取得要发送的字节数
		MessageBox("请输入要发送的字节数");
		return;
	}
	
	StrToHex2(m_num,m_num.GetLength(),&num);	 //将字符串转换为字节

	if(num>0x400)
	{										    //取得要发送的字节数
		MessageBox("字节数不符合要求");
		return;
	}
	
	if(num==0)
		return;
	
	for (i = 0; i < num; i++)
		sendbuf[i] = Inbyte;
	


	ret = senddata(sendbuf,num);			//发到字节到D12
	if (ret != 0)
	{										//发送错误
		MessageBox("发送数据错误!");		
		return;
	}
		
	ret = recdata(recbuf,num);				//从D12接收字节
	if (ret != 0)
	{
		MessageBox("接收数据错误!");
		return;
	}

	ret = memcmp(recbuf,sendbuf,num);		//比较发送的字节与接收到的是否相同
	if (ret != 0)
	{
		MessageBox("发送的数据与收到的不相同");
		return;
	}

	//下面将收到的字节显示在界面上
	m_ReceiveByte = "";
	for (i = 0; i < num; i++)
		m_ReceiveByte += IntToASCII(recbuf[i]) + " ";
	
	UpdateData(FALSE);
	MessageBox("发送的数据成功，接收数据正确！");		
	
}