/*
 * Comperator.hpp
 *
 * Created: 17.11.2014 23:50:04
 *  Author: netz
 */ 


#ifndef COMPERATOR_H_
#define COMPERATOR_H_

#include "hardware/pin.hpp"

template <typename Port, int pin_ain0, int pin_ain1>
class Comperator {
	public:
		Comperator() {
			init();
		}
		uint8_t is_active() {
			return ACSR & (1<<ACO);
		}
	private:
		void init() {
			comppin0::make_input();
			comppin1::make_input();
			init_comperator();
		}
		void init_comperator() {
			// Analog Comparator initialization
			// Analog Comparator: On
			// The Analog Comparator's positive input is
			// connected to the AIN0 pin
			// The Analog Comparator's negative input is
			// connected to the AIN1 pin
			// Analog Comparator Input Capture by Timer/Counter 1: Off
			ACSR=(0<<ACD) | (0<<ACBG) | (0<<ACO) | (0<<ACI) | (0<<ACIE) | (0<<ACIC) | (0<<ACIS1) | (0<<ACIS0);
			ADCSRB=(0<<ACME);
			// Digital input buffer on AIN0: Off
			// Digital input buffer on AIN1: Off
			DIDR1=(1<<AIN0D) | (1<<AIN1D);
		}
		const typedef avrlib::pin<Port, pin_ain0> comppin0;
		const typedef avrlib::pin<Port, pin_ain1> comppin1;
};		

#endif /* COMPERATOR_H_ */