#ifndef _adccard_

#define _adccard_



class ADCCard {

public:

	ADCCard();

	virtual ~ADCCard();

	virtual void selectChannel(int channel) =0;

	int getChannel() const;

	virtual void setAmplifier(double factor) =0;

	double read() const;

protected:

	void rememberChannel(int channel);

	void rememberAmplifier(double factor);

private:

	double f; 		// amplifying factor

	int c;			// selected channel

	virtual int sample() const =0;

};



ostream& operator<<(ostream& out, const ADCCard& card);



#endif