/*

* File: SensorArduinoPin.h

* Author: mat

*

* Created on 22 August 2013, 19:36

*/

#pragma once

#ifdef ARDUINO

#include "Brewpi.h"

#include "FastDigitalPin.h"

#include "Pins.h"

/* A SwitchSensor whose state is provided by a hardware pin.

By using a template, the compiler can inline and optimize the call to digitalRead to a single instruction.

*/

template<uint8_t pin, bool invert, bool internalPullup>

class DigitalConstantPinSensor : public SwitchSensor

{

public:

DigitalConstantPinSensor() {

fastPinMode(pin, internalPullup ? INPUT_PULLUP : INPUT);

}

virtual bool sense() {

return fastDigitalRead(pin) ^ invert;

}

};

class DigitalPinSensor : public SwitchSensor

{

private:

bool invert;

uint8_t pin;

public:

DigitalPinSensor(uint8_t pin, bool invert)

{

pinMode(pin, USE_INTERNAL_PULL_UP_RESISTORS ? INPUT_PULLUP : INPUT);

this->invert = invert;

this->pin = pin;

}

virtual bool sense() {

return digitalRead(pin) ^ invert;

}

};

#endif