Arduino library to read Debounced Push Button Output as Single Tap, Double
Tap or Long Press without blocking program flow

• Arduino library to read Debounced Push Button Output as Single Tap, Double
  Tap or Long Press without blocking program flow
• classifies taps as one of 4 types
  • 0 -> noTap
  • 1 -> singleTap
  • 2 -> doubleTap
  • 3 -> longPress
• option to set button Active Low or High. Default Active Low
• To classify the tap, there is some delay from user input to tap classification.
• Delays in Read from User Input:
  • noTap -> 20 microsecond (us) to debounce
  • singleTap -> 250 milliseconds (ms) from button deactivation to give user time for doubleTap
  • doubleTap -> as soon as second tap occurs
  • longPress -> as soon as button is pressed for 600 milliseconds (ms)
• How to use:
• put the desired function inside loop() function, as shown in example
• get classified button tap byte using checkButtonStatus()
• get button active state using buttonActiveDebounced()
• get last button press times use getLastTapTimes(bool &dataReady, uint16_t
  &firstTapMs, uint16_t &gapBetweenTapsMs, uint16_t &secondTapMs)

• To set a pin as Input_Pull_up and Active Low, use the following:

-- define push_button as a pointer:

PushButtonTaps* push_button = new PushButtonTaps(BUTTON_PIN);   

-- or define push_button as an object:

PushButtonTaps push_button(BUTTON_PIN);  

• note if button is pressed

bool push_button_pressed = push_button->buttonActiveDebounced();  

or

bool push_button_pressed = push_button.buttonActiveDebounced();  

• Get button tap status in an 8 bit unsigned integer as output. Includes DEBOUNCE_TIME_US microsecond for debounce
• classifies taps as one of 4 types
  • 0 -> noTap
  • 1 -> singleTap
  • 2 -> doubleTap
  • 3 -> longPress

byte btn_status = push_button->checkButtonStatus();  

or

byte btn_status = push_button.checkButtonStatus();  

• Set button un-pressed state as active low (default) or active high:

push_button->setButtonActiveLow(true or false);  

or

push_button.setButtonActiveLow(true or false);