USB.h

/* WindowsFileIO - Windows device I/O. */
 
#ifndef WIN32_USB_H
#define WIN32_USB_H
 
#include <vector>
#include <windows.h>
 
class WindowsFileIO
{
  public:
    WindowsFileIO();
    ~WindowsFileIO();
    bool Open(const std::string& sPath, int iBlockSize);
    bool IsOpen() const;
 
    /* Nonblocking read.  size must always be the same.  Returns the number of
     * bytes read, or 0. */
    int read(void* p);
    static int read_several(const std::vector<WindowsFileIO*>& sources,
                            void* p,
                            int& actual,
                            float timeout);
 
  private:
    void queue_read();
    int finish_read(void* p);
 
    HANDLE m_Handle;
    OVERLAPPED m_Overlapped;
    char* m_pBuffer;
    int m_iBlockSize;
};
 
/* WindowsFileIO - Windows USB I/O */
class USBDevice
{
  public:
    int GetPadEvent();
    bool Open(int iVID,
              int iPID,
              int iBlockSize,
              int iNum,
              void (*pfnInit)(HANDLE));
    bool IsOpen() const;
 
    WindowsFileIO m_IO;
};
 
#endif