Есть программа написанная на Visual C++, которая связывается с USB-устройством и управляет им. Мне нужна помощь в переводе её на QT. Я недавно перешел на QT и уже неделю ломаю голову, но ничего так и не выходит.
// UsbHidDemoCodeDlg.cpp : implementation file
//
////////////////////////////////////////////////////////////////////////////////
// This demo program exercises the functions of the AtUsbHid library.
// The library functions prototypes can be found in the last part of the
// AtUsbHid.h file.
//
////////////////////////////////////////////////////////////////////////////////
#include "stdafx.h"
#include "UsbHidDemoCode.h"
#include "UsbHidDemoCodeDlg.h"
#include <winuser.h>
#include <windows.h>
#include <dbt.h>
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// Include Atmel Hid Usb
#include "AtUsbHid.h"
#define DEFAULT_VID 0x03EB
#define DEFAULT_PID 0x2013
/*---------------------------------------------------------------------------
FUNCTION: handleError
PURPOSE: Call when an error is return by a function call
PARMATERS: DWORD errorCode - error code that represent the error
RETURN:
COMMENTS:
---------------------------------------------------------------------------*/
void handleError(DWORD errorCode)
{
switch(errorCode)
{
case ERROR_MOD_NOT_FOUND:
AfxMessageBox( "Could not find Atmel USB HID DLL: AtUsbHid.dll\nPlease update the PATH variable.\n", MB_ICONSTOP,0);
exit(-1);
break;
case ERROR_USB_DEVICE_NOT_FOUND:
OutputDebugString("Error: Could not open the device.\n");
break;
case ERROR_USB_DEVICE_NO_CAPABILITIES:
OutputDebugString("Error: Could not get USB device capabilities.\n");
break;
case ERROR_WRITE_FAULT:
OutputDebugString("Error: Could not write.\n");
break;
case ERROR_READ_FAULT:
OutputDebugString("Error: Could not read.\n");
break;
default:
OutputDebugString("Error: Unknown error code.\n");
}
}
/////////////////////////////////////////////////////////////////////////////
// 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()
/////////////////////////////////////////////////////////////////////////////
// CUsbHidDemoCodeDlg dialog
CUsbHidDemoCodeDlg::CUsbHidDemoCodeDlg(CWnd* pParent /*=NULL*/)
: CDialog(CUsbHidDemoCodeDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CUsbHidDemoCodeDlg)
m_PID = _T("2013");
m_VID = _T("03EB");
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CUsbHidDemoCodeDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CUsbHidDemoCodeDlg)
//DDX_Control(pDX, IDC_FW_UPGRADE, m_FwUpgrade);
DDX_Control(pDX, IDC_LIST, m_RecievedData);
DDX_Control(pDX, IDC_STATUS_TEXT, m_Status);
DDX_Control(pDX, IDC_LED4, m_Led4);
DDX_Control(pDX, IDC_LED3, m_Led3);
DDX_Control(pDX, IDC_LED2, m_Led2);
DDX_Control(pDX, IDC_LED1, m_Led1);
DDX_Text(pDX, IDC_PID, m_PID);
DDV_MaxChars(pDX, m_PID, 4);
DDX_Text(pDX, IDC_VID, m_VID);
DDV_MaxChars(pDX, m_VID, 4);
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CUsbHidDemoCodeDlg, CDialog)
//{{AFX_MSG_MAP(CUsbHidDemoCodeDlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_LED1, OnLed1)
ON_BN_CLICKED(IDC_LED2, OnLed2)
ON_BN_CLICKED(IDC_LED3, OnLed3)
ON_BN_CLICKED(IDC_LED4, OnLed4)
ON_WM_TIMER()
//ON_BN_CLICKED(IDC_PW_UPGRADE, OnFwUpgrade)
//ON_BN_CLICKED(IDC_BUTTON_VID_PID, OnButtonVidPid)
//}}AFX_MSG_MAP
ON_WM_DEVICECHANGE()
//ON_BN_CLICKED(IDC_FW_UPGRADE, &CUsbHidDemoCodeDlg::OnBnClickedFwUpgrade)
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CUsbHidDemoCodeDlg message handlers
BOOL CUsbHidDemoCodeDlg::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
// Set default Vid and Pid
Vid = DEFAULT_VID;
Pid = DEFAULT_PID;
// Disable All Led Button until connection
DisableLedButton();
// Explicitely load the AtUsbHid library.
hLib = LoadLibrary(AT_USB_HID_DLL);
if (hLib == NULL)
{
handleError(GetLastError());
return 0;
}
// Get USB HID library functions addresses.
if (loadFuncPointers(hLib)==NULL) {
AfxMessageBox( "Could not get USB HID library functions addresses",MB_ICONSTOP,0);
return 0;
}
// try to connect Device
ConnectDevice();
DYNCALL(hidRegisterDeviceNotification)((m_hWnd));
return TRUE; // return TRUE unless you set the focus to a control
}
void CUsbHidDemoCodeDlg::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 CUsbHidDemoCodeDlg::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 CUsbHidDemoCodeDlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
/*---------------------------------------------------------------------------
FUNCTION: OnLed1
PURPOSE: Toggle Led 1 if Led1 button has been pressed
PARMATERS:
RETURN:
COMMENTS:
---------------------------------------------------------------------------*/
void CUsbHidDemoCodeDlg::OnLed1()
{
if(Led1 == false) {
Led1 = true;
m_Led1.SetWindowText(_T("LED 1 ON"));
DYNCALL(writeData)((UCHAR *)"11");
}
else {
Led1 = false;
m_Led1.SetWindowText(_T("LED 1 OFF"));
DYNCALL(writeData)((UCHAR *)"01");
}
}
/*---------------------------------------------------------------------------
FUNCTION: OnLed2
PURPOSE: Toggle Led 2 if Led2 button has been pressed
PARMATERS:
RETURN:
COMMENTS:
---------------------------------------------------------------------------*/
void CUsbHidDemoCodeDlg::OnLed2()
{
if(Led2 == false) {
Led2 = true;
m_Led2.SetWindowText(_T("LED 2 ON"));
DYNCALL(writeData)((UCHAR *)"12");
}
else {
Led2 = false;
m_Led2.SetWindowText(_T("LED 2 OFF"));
DYNCALL(writeData)((UCHAR *)"02");
}
}
/*---------------------------------------------------------------------------
FUNCTION: OnLed3
PURPOSE: Toggle Led 3 if Led3 button has been pressed
PARMATERS:
RETURN:
COMMENTS:
---------------------------------------------------------------------------*/
void CUsbHidDemoCodeDlg::OnLed3()
{
if(Led3 == false) {
Led3 = true;
m_Led3.SetWindowText(_T("LED 3 ON"));
DYNCALL(writeData)((UCHAR *)"13");
}
else {
Led3 = false;
m_Led3.SetWindowText(_T("LED 3 OFF"));
DYNCALL(writeData)((UCHAR *)"03");
}
}
/*---------------------------------------------------------------------------
FUNCTION: OnLed4
PURPOSE: Toggle Led 4 if Led4 button has been pressed
PARMATERS:
RETURN:
COMMENTS:
---------------------------------------------------------------------------*/
void CUsbHidDemoCodeDlg::OnLed4()
{
if(Led4 == false) {
Led4 = true;
m_Led4.SetWindowText(_T("LED 4 ON"));
DYNCALL(writeData)((UCHAR*)"14");
}
else {
Led4 = false;
m_Led4.SetWindowText(_T("LED 4 OFF"));
DYNCALL(writeData)((UCHAR*)"04");
}
}
/*---------------------------------------------------------------------------
FUNCTION: DisableLedButton
PURPOSE: Disable All led button
Disbale Firmware Upgrade button
Change Led button text
Change Current Status to Diconnected
Stop Read Function timer
PARMATERS:
RETURN:
COMMENTS:
---------------------------------------------------------------------------*/
void CUsbHidDemoCodeDlg::DisableLedButton()
{
// Set All Led To Off
Led1 = false;
Led2 = false;
Led3 = false;
Led4 = false;
// Disable All Led button
m_Led1.EnableWindow(false);
m_Led2.EnableWindow(false);
m_Led3.EnableWindow(false);
m_Led4.EnableWindow(false);
// Disable Firmware Upgrade
m_FwUpgrade.EnableWindow(false);
// Change Led Text
m_Led1.SetWindowText(_T("LED 1"));
m_Led2.SetWindowText(_T("LED 2"));
m_Led3.SetWindowText(_T("LED 3"));
m_Led4.SetWindowText(_T("LED 4"));
m_Status.SetWindowText(_T("Disconnected"));
CDialog::KillTimer(1);
IsConnected = false;
}
/*---------------------------------------------------------------------------
FUNCTION: ConnectDevice
PURPOSE: Connect Device using Current Vid and Pid
if connection is succefull, change status to Connected
if connection fail Status is set to disconnected
PARMATERS:
RETURN:
COMMENTS:
---------------------------------------------------------------------------*/
void CUsbHidDemoCodeDlg::ConnectDevice()
{
// Open our USB device.
if (DYNCALL(findHidDevice)(Vid, Pid)) {
EnableLedButton();
}
else {
// Can't access leds button if not connected
DisableLedButton();
}
}
/*---------------------------------------------------------------------------
FUNCTION: EnableLedButton
PURPOSE: Enable all Led Button
Enable Firmware upgrade
Set all led status to Off
Send Led status Off to device
Set Read function timer
PARMATERS:
RETURN:
COMMENTS:
---------------------------------------------------------------------------*/
void CUsbHidDemoCodeDlg::EnableLedButton()
{
CString inReport;
CString outReport;
CString featureReport;
// Enable All Led button
m_Led1.EnableWindow(true);
m_Led2.EnableWindow(true);
m_Led3.EnableWindow(true);
m_Led4.EnableWindow(true);
// Enable Firmware Upgrade
m_FwUpgrade.EnableWindow(true);
// Change Led Text
m_Led1.SetWindowText(_T("LED 1 OFF"));
m_Led2.SetWindowText(_T("LED 2 OFF"));
m_Led3.SetWindowText(_T("LED 3 OFF"));
m_Led4.SetWindowText(_T("LED 4 OFF"));
// Be sure that all led are disbale
DYNCALL(writeData)((UCHAR*)"01");
DYNCALL(writeData)((UCHAR*)"02");
DYNCALL(writeData)((UCHAR*)"03");
DYNCALL(writeData)((UCHAR*)"04");
inReport.Format( "%s: %dByte"," In",DYNCALL(getInputReportLength()));
outReport.Format( "%s: %dByte"," Out",DYNCALL(getOutputReportLength()));
featureReport.Format("%s: %dByte"," Feature",DYNCALL(getFeatureReportLength()));
CString text = "Connected\t\t"+inReport+","+outReport+","+featureReport;
m_Status.SetWindowText(text);
SetTimer(1,50,0);
IsConnected = true;
}
/*---------------------------------------------------------------------------
FUNCTION: OnDeviceChange
PURPOSE: This function is call each time a status change for a device using
ON_WM_DEVICECHANGE()
The function will check if this our device change it status :
There is 2 important type of event :
DBT_DEVICEARRIVAL : in this case, we try to connect a device using
current VID and PID
DBT_DEVICEREMOVECOMPLETE : if our device as been deconnected,
we close the device properly using closeDevice()
if OnDeviceChange is called by another device nothing is done
PARMATERS: UINT nEventType : Event Id
DWORD dwData : data associated to the Event
RETURN:
COMMENTS:
---------------------------------------------------------------------------*/
BOOL CUsbHidDemoCodeDlg::OnDeviceChange(UINT nEventType, DWORD dwData)
{
int isOurDevice;
switch(nEventType)
{
case DBT_DEVICEARRIVAL :
isOurDevice=DYNCALL(isMyDeviceNotification(dwData));
if(isOurDevice&&IsConnected) {
OutputDebugString(">>> Our Device Already Connected.\n");
}
else {
// Connect Only if status is disconnected
OutputDebugString(">>> A device has been inserted and is now available.\n");
ConnectDevice();
}
break;
case DBT_DEVICEREMOVECOMPLETE :
isOurDevice=DYNCALL(isMyDeviceNotification(dwData));
if(IsConnected&&isOurDevice) {
// Close Connection only once
DisableLedButton();
DYNCALL(closeDevice());
OutputDebugString(">>> A device has been removed.\n");
}
break;
default :
OutputDebugString(">>> OnDeviceChange : default\n");
break;
}
return TRUE;
}
/*---------------------------------------------------------------------------
FUNCTION: AddRecievedData
PURPOSE: This function add new message to m_RecievedData CList and remove the
100th oldest message to avoid list to be too big.
PARMATERS:
CString NewData - New strinf to display in CList
RETURN:
COMMENTS:
---------------------------------------------------------------------------*/
void CUsbHidDemoCodeDlg::AddRecievedData(CString NewData)
{
m_RecievedData.AddString( NewData );
// display only last 100 messages recieved
if(m_RecievedData.GetCount()>100) {
m_RecievedData.DeleteString(0);
}
// Set Focus on Last Element
int nCount = m_RecievedData.GetCount();
if (nCount > 0) m_RecievedData.SetCurSel(nCount-1);
}
/*---------------------------------------------------------------------------
FUNCTION: OnTimer
PURPOSE: This function allow us to call the check if a new data as been recieved
if yes, the buffer imfarmation are display using AddRecievedData
The Timer for this function must be killed if Connection
is lost uasing function : CDialog::KillTimer(1);
If a device is connected, the timer must be set using :
SetTimer(1,50,0);
PARMATERS:
nIDEvent - Timer identifier
RETURN:
COMMENTS:
---------------------------------------------------------------------------*/
void CUsbHidDemoCodeDlg::OnTimer(UINT nIDEvent)
{
UCHAR sbuffer[255];
if(DYNCALL(readData(sbuffer))!=0) {
if(sbuffer[0]==1) {
AddRecievedData("Button as been pressed");
}
else {
AddRecievedData("Button as been released");
}
//if there is data to display
}
CDialog::OnTimer(nIDEvent);
}
/*---------------------------------------------------------------------------
FUNCTION: OnFwUpgrade
PURPOSE: Call when Firmware Upgrade Button is pressed.
This function set the deivce in Firmware upgarde mode using startBootLoader
Once bootloader mode as been sent, the device is close properly.
You have the to lauch Flip to load a new firmeare
PARMATERS:
RETURN:
COMMENTS:
void CUsbHidDemoCodeDlg::OnFwUpgrade()
{
if(IsConnected) {//if our device is attached
UCHAR* outputReport = new UCHAR[DYNCALL(getFeatureReportLength())];
outputReport[0]=0x55;
outputReport[1]=0xAA;
outputReport[2]=0x55;
outputReport[3]=0xAA;
if(!DYNCALL(setFeature(outputReport))) {
// Fail to run bootLoader
AfxMessageBox( "Can not start Device in Boot Loader mode", MB_ICONSTOP,0);
}
DisableLedButton();
DYNCALL(closeDevice());//close all handles
}
}
---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------
FUNCTION: OnCancel
PURPOSE: On one cancel if device is connected, this one is disconnected.
the application is Unregister from the device notification table using
hidUnregisterDeviceNotification(m_hWnd)
PARMATERS:
RETURN:
COMMENTS:
---------------------------------------------------------------------------*/
void CUsbHidDemoCodeDlg::OnCancel()
{
if(IsConnected) //if our device is attached
{
DYNCALL(closeDevice());//close all handles
CDialog::KillTimer(1);//close the timer
}
DYNCALL(hidUnregisterDeviceNotification(m_hWnd));
FreeLibrary(hLib);
CDialog::OnCancel();
}
/*---------------------------------------------------------------------------
FUNCTION: OnButtonVidPid
PURPOSE: When clic on button VId PID
Vendor ID en Product ID is taken from edit Box and new value
are change.
PARMATERS:
RETURN:
COMMENTS:
---------------------------------------------------------------------------*/
void CUsbHidDemoCodeDlg::OnButtonVidPid()
{
UpdateData();
// Try To Convert in Hex
char VidToConvert[10];
char PidToConvert[10];
char * pEnd;
long newVid;
long newPid;
// Get New Vid
strcpy(VidToConvert,"0x");
strcat(VidToConvert,m_VID.GetBuffer(m_VID.GetLength()));
newVid = strtol (VidToConvert,&pEnd,0);
m_VID.Format("%X",newVid);
// Get New Pid
strcpy(PidToConvert,"0x");
strcat(PidToConvert,m_PID.GetBuffer(m_PID.GetLength()));
newPid = strtol (PidToConvert,&pEnd,0);
m_PID.Format("%X",newPid);
// Upadte
SetDlgItemText(IDC_VID , m_VID.GetBuffer(m_VID.GetLength()));
SetDlgItemText(IDC_PID , m_PID.GetBuffer(m_PID.GetLength()));
if((newVid!=Vid)||(newPid!=Pid)) {
Vid=newVid;
Pid=newPid;
if(IsConnected) {
// Close Connection only once
DisableLedButton();
DYNCALL(closeDevice());
}
ConnectDevice();
}
}
Нужна помощь: из Visual C++ в QT
опции профиля:
3.4.2012, 22:24
0 
