.. _program_listing_file_src_tap_display_oled_button_handler.hpp:

Program Listing for File oled_button_handler.hpp
================================================

|exhale_lsh| :ref:`Return to documentation for file <file_src_tap_display_oled_button_handler.hpp>` (``src/tap/display/oled_button_handler.hpp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   /*
    * Copyright (c) 2020-2021 Advanced Robotics at the University of Washington <robomstr@uw.edu>
    *
    * This file is part of Taproot.
    *
    * Taproot is free software: you can redistribute it and/or modify
    * it under the terms of the GNU General Public License as published by
    * the Free Software Foundation, either version 3 of the License, or
    * (at your option) any later version.
    *
    * Taproot is distributed in the hope that it will be useful,
    * but WITHOUT ANY WARRANTY; without even the implied warranty of
    * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    * GNU General Public License for more details.
    *
    * You should have received a copy of the GNU General Public License
    * along with Taproot.  If not, see <https://www.gnu.org/licenses/>.
    */
   
   #ifndef TAPROOT_OLED_BUTTON_HANDLER_HPP_
   #define TAPROOT_OLED_BUTTON_HANDLER_HPP_
   
   #include "modm/math/filter/debounce.hpp"
   #include "modm/ui/menu/view_stack.hpp"
   
   namespace tap
   {
   class Drivers;
   namespace display
   {
   class OledButtonHandler
   {
   public:
       enum Button
       {
           LEFT = modm::MenuButtons::LEFT,
           RIGHT = modm::MenuButtons::RIGHT,
           UP = modm::MenuButtons::UP,
           DOWN = modm::MenuButtons::DOWN,
           OK = modm::MenuButtons::OK,
           NONE,
       };
   
       OledButtonHandler(tap::Drivers *drivers);
   
       Button getCurrentButtonState();
   
   private:
       static constexpr int BUTTON_DEBOUNCE_SAMPLES = 10;
       static constexpr int ADC_PRESSED_RANGE = 100;
       static constexpr int OK_ADC_VAL = 0;
       static constexpr int LEFT_ADC_VAL = 900;
       static constexpr int RIGHT_ADC_VAL = 1700;
       static constexpr int UP_ADC_VAL = 2500;
       static constexpr int DOWN_ADC_VAL = 3300;
   
       tap::Drivers *drivers;
   
       modm::filter::Debounce<int> downButtonPressed;
       modm::filter::Debounce<int> upButtonPressed;
       modm::filter::Debounce<int> leftButtonPressed;
       modm::filter::Debounce<int> rightButtonPressed;
       modm::filter::Debounce<int> okButtonPressed;
   };  // class OledButtonHandler
   }  // namespace display
   }  // namespace tap
   
   #endif  // TAPROOT_BUTTON_HANDLER_HPP_