OnBoardIO.h

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// Copyright (c) FIRST and other WPILib contributors.
// Open Source Software; you can modify and/or share it under the terms of
// the WPILib BSD license file in the root directory of this project.
 
#pragma once
 
#include <memory>
 
#include <frc/DigitalInput.h>
#include <frc/DigitalOutput.h>
#include <units/time.h>
 
namespace frc {
 
/**
 * @ingroup romi_api
 * @{
 */
 
/**
 * This class represents the onboard IO of the Romi
 * reference robot. This includes the pushbuttons and
 * LEDs.
 *
 * <p>DIO 0 - Button A (input only)
 * DIO 1 - Button B (input) or Green LED (output)
 * DIO 2 - Button C (input) or Red LED (output)
 * DIO 3 - Yellow LED (output only)
 */
class OnBoardIO {
 public:
  /** Mode for Romi onboard IO */
  enum ChannelMode { /** Input */ INPUT, /** Output */ OUTPUT };
  OnBoardIO(OnBoardIO::ChannelMode dio1, OnBoardIO::ChannelMode dio2);
 
  static constexpr auto kMessageInterval = 1_s;
  units::second_t m_nextMessageTime = 0_s;
 
  /**
   * Gets if the A button is pressed.
   */
  bool GetButtonAPressed();
 
  /**
   * Gets if the B button is pressed.
   */
  bool GetButtonBPressed();
 
  /**
   * Gets if the C button is pressed.
   */
  bool GetButtonCPressed();
 
  /**
   * Sets the green LED.
   */
  void SetGreenLed(bool value);
 
  /**
   * Sets the red LED.
   */
  void SetRedLed(bool value);
 
  /**
   * Sets the yellow LED.
   */
  void SetYellowLed(bool value);
 
 private:
  frc::DigitalInput m_buttonA{0};
  frc::DigitalOutput m_yellowLed{3};
 
  // DIO 1
  std::unique_ptr<frc::DigitalInput> m_buttonB;
  std::unique_ptr<frc::DigitalOutput> m_greenLed;
 
  // DIO 2
  std::unique_ptr<frc::DigitalInput> m_buttonC;
  std::unique_ptr<frc::DigitalOutput> m_redLed;
};
 
/** @} */
 
}  // namespace frc