text: #ifndef _BUTTON_H
  #define _BUTTON_H
  
  #include "../Driver/Driver.h"
  
  class Button: public Driver
  {
  public:
      Button(int pin);
  
  public:
      void setup();
      void getSpec(String &spec);
      int get(char *buf, size_t size);
  
  private:
      bool m_down;
      unsigned long m_start;
  };
  
  #endif
  