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  1. #ifndef RELAY_H
  2. #define RELAY_H
  3.  
  4. #include <Ports.h>
  5.  
  6. #define RELAY_OPEN 0
  7. #define RELAY_CLOSED 1
  8.  
  9. class Relay {
  10.   public:
  11.     Relay();
  12.     void open();
  13.     void close();
  14.     uint8_t get_state();
  15.   private:
  16.     uint8_t state;
  17.     Port port;
  18. }; 
  19.  
  20. #endif
  21. // vim:ft=arduino
  22.