www.pudn.com > fbt-a3-20041206.zip > fbthw.h, change:2004-03-06,size:1107b

#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_