NerfStatTrak/Button.cpp

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#include "Button.h"
void Button::init(uint8_t pin, int offState, bool usePullUp)
{
this->pin = pin;
this->offState = offState;
this->lastState = offState;
if (offState == HIGH && usePullUp)
pinMode(pin, INPUT_PULLUP);
else
pinMode(pin, INPUT);
}
void Button::update(unsigned long referenceTime)
{
unsigned long currentTime = getTime(referenceTime);
int currentState = digitalRead(pin);
if (lastChangedTime != 0)
{
if (currentState != lastState && (currentTime - lastChangedTime) > debounceMillis)
{
lastChanged = true;
if (currentState != offState)
lastPressedTime = currentTime;
else if (blocked)
{
blocked = false;
lastChanged = false;
}
lastChangedTime = currentTime;
lastState = currentState;
return;
}
}
else
{
lastChangedTime = currentTime;
lastState = currentState;
}
lastChanged = false;
}