📄 d13_muchdlg.cpp
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// D13_MuchDlg.cpp : implementation file
//
#include "stdafx.h"
#include "D13_Much.h"
#include "D13_MuchDlg.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()
/////////////////////////////////////////////////////////////////////////////
// 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("");
//}}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);
//}}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)
//}}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;
}
}
/***********************************************************
** 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);
}
/************************************************************************************
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[EP2_PACKET_SIZE];
int offset = 0;
i = len / (EP2_PACKET_SIZE - 4); //计算有多少个整数包(每包64字节)
j = len % (EP2_PACKET_SIZE - 4); //剩余包数
for (k = 0; k < i; k++)
{
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] = EP2_PACKET_SIZE - 4; //发送的数据的字节数
memcpy(&sendBuf[4],psend,EP2_PACKET_SIZE - 4);
ret = WriteData(3,sendBuf,EP2_PACKET_SIZE,3000); //每次发送64字节
if (ret != EP2_PACKET_SIZE) return -1; //发送错误
ret = ReadData(2,&ack,1,3000); //接收下位机的响应
if (ret != 1) return -1; //接收错误
if (ack != 1) return -1; //响应错误
psend = psend + EP2_PACKET_SIZE - 4;
offset = offset + EP2_PACKET_SIZE - 4;
}
if (j != 0)
{
sendBuf[0] = 0x01;
sendBuf[1] = offset / 256;
sendBuf[2] = offset % 256;
sendBuf[3] = j;
memcpy(&sendBuf[4],psend,j);
ret = WriteData(3,sendBuf,j + 4,3000); //发送不够整数包的数据
if (ret != j + 4) return -1;
ret = ReadData(2,&ack,1,3000);
if (ret != 1) return -1;
if (ack != 1) 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[4];
int ret;
i = len / (EP2_PACKET_SIZE * 2);
j = len % (EP2_PACKET_SIZE * 2);
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] = EP2_PACKET_SIZE * 2; //每次读的长度:128字节
ret = WriteData(3,sendbuf,4,3000); //发送读命令
if (ret != 4) return -1;
ret = ReadData(2,prec,EP2_PACKET_SIZE * 2,3000); //读数据
if (ret != EP2_PACKET_SIZE * 2) return -1;
offset = offset + EP2_PACKET_SIZE * 2;
prec = prec + EP2_PACKET_SIZE * 2;
}
if (j != 0)
{ //读不够128字节的数据
sendbuf[0] = 0x02;
sendbuf[1] = offset / 256;
sendbuf[2] = offset % 256;
sendbuf[3] = j;
ret = WriteData(3,sendbuf,4,3000); //发送读命令
if (ret != 4) return -1;
ret = ReadData(2,prec,j,3000); //读j个字节
if (ret != j) return -1;
}
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
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
for (i = 0; i < 1024; i++)
sendbuf[i] = Inbyte; //填充发送缓冲区:1024个字节
ret = senddata(sendbuf,1024); //发到1024个字节到D12
if (ret != 0)
{ //发送错误
MessageBox("发送数据错误!");
return;
}
ret = recdata(recbuf,1024); //从D12接收1024个字节
if (ret != 0)
{
MessageBox("接收数据错误!");
return;
}
ret = memcmp(recbuf,sendbuf,1024); //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1024个字节显示在界面上
m_ReceiveByte = "";
for (i = 0; i < 1024; i++)
m_ReceiveByte += IntToASCII(recbuf[i]) + " ";
UpdateData(FALSE);
}⌨️ 快捷键说明
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