fbthw.h

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#ifndef _FBT_HW_H_
#define _FBT_HW_H_
 
#include <winioctl.h>
 
// HW Driver Abstraction layer
class CBTHW
{
public:
    // The driver is opened for OVERLAPPED I/O
    CBTHW();
    virtual ~CBTHW();
 
    // Set the driver instances symbolic name
    void    SetDeviceName(LPCTSTR szDeviceName);
    DWORD   GetDeviceName(LPTSTR szBuffer, DWORD dwBufferSize);
 
    // Open a handle to the driver instance
    virtual DWORD   Attach(LPCSTR szDeviceName);
    virtual DWORD   Detach();
    HANDLE  GetDriverHandle();
    BOOL    IsAttached() {return GetDriverHandle()!=INVALID_HANDLE_VALUE;}
 
    // Send a command to the driver
    DWORD   SendCommand(DWORD dwCommand, LPVOID lpInBuffer=NULL, DWORD dwInBufferSize=0, LPVOID lpOutBuffer=NULL, DWORD dwOutBufferSize=0, OVERLAPPED *pOverlapped=NULL);
    DWORD   SendData(LPVOID lpBuffer, DWORD dwBufferSize, DWORD *dwBytesSent, OVERLAPPED *pOverlapped);
    DWORD   GetData(LPVOID lpBuffer, DWORD dwBufferSize, DWORD *dwBytesRead, OVERLAPPED *pOverlapped);
 
protected:
    HANDLE  m_hDriver;
    TCHAR   m_szDeviceName[1024];
 
};
 
 
#endif // _FBT_HW_H_