如何编写Windows CE.net的usb驱动程序(6)

// 通知系统产生鼠标事件

if (m_fReadyForMouseEvents)

mouse_event(dwFlags, dx, dy, 0, 0);

else

m_fReadyForMouseEvents = IsAPIReady(SH_WMGR);

return TRUE;

}

DWORD CALLBACK CMouse::MouseTransferCompleteStub(LPVOID lpvNotifyParameter)

{

CMouse * pMouse = (CMouse *)lpvNotifyParameter;

return(pMouse->MouseTransferComplete());

}

// 数据传输完毕回调函数

DWORD CMouse::MouseTransferComplete()

{

if (m_hEvent)

SetEvent(m_hEvent);

return 0;

}

ULONG CALLBACK CMouse::MouseThreadStub(PVOID context)

{

CMouse * pMouse = (CMouse *)context;

return(pMouse->MouseThread());

}

// USB鼠标线程

DWORD CMouse::MouseThread()

{

DEBUGMSG(ZONE_INIT,(TEXT("USBMouse: Worker thread started/r/n")));

SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_HIGHEST);

if (SubmitInterrupt())

{

while (!m_fClosing)

{

WaitForSingleObject(m_hEvent, INFINITE);

if (m_fClosing)

break;

if ((*m_lpUsbFuncs->lpIsTransferComplete)(m_hInterruptTransfer))

{

if (!HandleInterrupt())

break;

}

else

{

RETAILMSG(1,(TEXT("!USBMouse: Event signalled, but transfer not complete/r/n")));

// The only time this should happen is if we get an error on the transfer

ASSERT(m_fClosing || (m_hInterruptTransfer == NULL));

break;

}

}

}

RETAILMSG(1,(TEXT("USBMouse: Worker thread exiting/r/n")));

return(0);

}