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ButtonPress.h
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ButtonPress.h
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#ifndef ButtonPress_h
#define ButtonPress_h
#include <Arduino.h>
class ButtonPress {
public:
// It is assumed that this button has one end connected to ground
ButtonPress (int _buttonPin) {
buttonPin = _buttonPin;
pinMode (buttonPin,INPUT);
digitalWrite (buttonPin,1); // PULLUP
timeout = millis();
}; // constructor
bool isPressed (void) {
bool pressed = false;
if (buttonChanged) {
if (buttonPressed) {
pressed = true;
buttonChanged = false;
}
}
return pressed;
}
bool isReleased (void) {
bool released = false;
if (buttonChanged) {
if (!buttonPressed) {
released = true;
buttonChanged = false;
}
}
return released;
}
void update (void) {
int value;
if (millis() > timeout) {
value = digitalRead (buttonPin);
if (value == 1) {
if (buttonPressed) {
buttonPressed = false;
buttonChanged = true;
}
} else { // Button is pressed
if (!buttonPressed) {
buttonPressed = true;
buttonChanged = true;
}
}
timeout = millis() + 100; // Check every 100 ms for a button press
}
};
private:
int buttonPin;
bool buttonChanged = false;
bool buttonPressed = false;
unsigned long timeout = 0;
};
#endif