gpio.hpp

#pragma once
 
#include "libxr.hpp"
 
namespace LibXR
{
 
class GPIO
{
 public:
  enum class Direction : uint8_t
  {
    INPUT,                 
    OUTPUT_PUSH_PULL,      
    OUTPUT_OPEN_DRAIN,     
    FALL_INTERRUPT,        
    RISING_INTERRUPT,      
    FALL_RISING_INTERRUPT  
  };
 
  enum class Pull : uint8_t
  {
    NONE,  
    UP,    
    DOWN   
  };
 
  struct Configuration
  {
    Direction direction;  
    Pull pull;            
  };
 
  Callback<> callback_;
 
  GPIO() {}
 
  virtual bool Read() = 0;
 
  virtual ErrorCode Write(bool value) = 0;
 
  virtual ErrorCode EnableInterrupt() = 0;
 
  virtual ErrorCode DisableInterrupt() = 0;
 
  virtual ErrorCode SetConfig(Configuration config) = 0;
 
  ErrorCode RegisterCallback(Callback<> callback)
  {
    callback_ = callback;
    return ErrorCode::OK;
  }
};
 
}  // namespace LibXR