carb-sync/twinmax/sensors.cpp

#include <Arduino.h>
#include <string.h>
#include "sensors.h"

void PushButton::setup(const int pin){
	pinMode(pin, INPUT);
	_pin = pin;
}

bool PushButton::tick(){
	const bool pushed = (digitalRead(_pin) == 0);
	const bool toggle = (pushed != _pushed);
	_pushed = pushed;

	if( toggle && pushed ){ // button has been pressed
		_pushStart = millis();
	}

	return toggle;
}

bool PushButton::tap(){
	const bool toggle = tick();

	// released and last less than hold threshold
	return toggle && !_pushed && (millis()-_pushStart) < HOLD_MS_THRESHOLD;
}

bool PushButton::hold(){
	const bool toggle = tick();

	// released and last at ;east hold threshold
	return toggle && !_pushed && (millis()-_pushStart) >= HOLD_MS_THRESHOLD;
}




void Potentiometer::setup(const int pin){
	pinMode(pin, INPUT);
	_pin = pin;
}

short Potentiometer::range(){
	return 1023 - analogRead(_pin);
}



// pressure sensors
void Pressure::setup(const int pin){
	pinMode(pin, INPUT);
	_pin = pin;
}

short Pressure::value(){
	return analogRead(_pin);
}