47 lines
1.1 KiB
C++
47 lines
1.1 KiB
C++
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/*
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* Comperator.hpp
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*
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* Created: 17.11.2014 23:50:04
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* Author: netz
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*/
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#ifndef COMPERATOR_H_
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#define COMPERATOR_H_
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#include "hardware/pin.hpp"
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template <typename Port, int pin_ain0, int pin_ain1>
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class Comperator {
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public:
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Comperator() {
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init();
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}
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uint8_t is_active() {
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return ACSR & (1<<ACO);
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}
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private:
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void init() {
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comppin0::make_input();
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comppin1::make_input();
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init_comperator();
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}
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void init_comperator() {
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// Analog Comparator initialization
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// Analog Comparator: On
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// The Analog Comparator's positive input is
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// connected to the AIN0 pin
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// The Analog Comparator's negative input is
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// connected to the AIN1 pin
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// Analog Comparator Input Capture by Timer/Counter 1: Off
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ACSR=(0<<ACD) | (0<<ACBG) | (0<<ACO) | (0<<ACI) | (0<<ACIE) | (0<<ACIC) | (0<<ACIS1) | (0<<ACIS0);
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ADCSRB=(0<<ACME);
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// Digital input buffer on AIN0: Off
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// Digital input buffer on AIN1: Off
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DIDR1=(1<<AIN0D) | (1<<AIN1D);
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}
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const typedef avrlib::pin<Port, pin_ain0> comppin0;
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const typedef avrlib::pin<Port, pin_ain1> comppin1;
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};
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#endif /* COMPERATOR_H_ */
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