#ifndef __DEVICE_H__
#define __DEVICE_H__


class CDevice
{
protected:
	int m_nOpened;
public:
	virtual int DeviceIoControl(int nCtrlCode, void* pInput, void* pOutput) = 0;
	virtual int OpenDevice(int nMode) = 0;
	virtual void CloseDevice() = 0;
	virtual int ReadDevice(char* pBuf, unsigned int nLen, void* pParam) = 0;
	virtual int WriteDevice(char* pData, unsigned int nLen, void* pParam) = 0;
};

#endif