37 lines
1.0 KiB
C
37 lines
1.0 KiB
C
|
#ifndef Button_h
|
||
|
|
#define Button_h
|
||
|
|
|
||
|
|
#include "Arduino.h"
|
||
|
|
|
||
|
|
|
||
|
|
class Button
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
void init(uint8_t pin, int offState = HIGH, bool usePullUp = true);
|
||
|
|
void update(unsigned long referenceTime = 0);
|
||
|
|
void block() { if (lastState != offState) blocked = true; }
|
||
|
|
|
||
|
|
bool changed() { return !blocked && lastChanged; }
|
||
|
|
bool pressed() { return !blocked && lastState != offState; }
|
||
|
|
unsigned long pressedMillis(unsigned long referenceTime = 0) { return getTime(referenceTime) - lastPressedTime; }
|
||
|
|
|
||
|
|
unsigned long getDebounceMillis() { return debounceMillis; }
|
||
|
|
void setDebounceMillis(unsigned long value) { debounceMillis = value; }
|
||
|
|
|
||
|
|
protected:
|
||
|
|
inline unsigned long getTime(unsigned long referenceTime) { return referenceTime == 0 ? millis() : referenceTime; };
|
||
|
|
|
||
|
|
private:
|
||
|
|
uint8_t pin = 1;
|
||
|
|
int offState = HIGH;
|
||
|
|
unsigned long debounceMillis = 50;
|
||
|
|
|
||
|
|
unsigned long lastChangedTime = 0;
|
||
|
|
unsigned long lastPressedTime = 0;
|
||
|
|
int lastState;
|
||
|
|
bool lastChanged;
|
||
|
|
|
||
|
|
bool blocked = false;
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif
|