PolarEncoderPos.h

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#ifndef POLARENCODERPOS_H
#define POLARENCODERPOS_H

namespace sza {
  namespace antenna {
    namespace control {
      
      
      class PolarEncoderPos {
        
      public:
        
        enum Position {
          LEFT=1,     // The value to write to the polarization state
          // register if the encoder position is LEFT
          RIGHT=2,    // The value to write to the polarization state
          // register if the encoder position is RIGHT
          UNKNOWN=4,  // The value to write to the state register if
          // the encoder position is unknown
          UNSET=9999, // The value the tabulated positions will have
          // before they are initialized by the user
          RIGHT_REQ=2048, // A special requested value, which will
          // signify that we want the RIGHT encoder
          // position
          LEFT_REQ=4096   // A special requested value, which will
          // signify that we want the LEFT encoder
          // position
        };
        
        unsigned right_;
        unsigned left_;
        
        PolarEncoderPos();
        
      }; // End class PolarEncoderPos
      
      // The threshold for an acceptable polarization state.  ie, if
      // the phase shifter encoder position is right +-
      // PSHIFT_ENC_THRESHOLD, we will call it right.
      
#define PSHIFT_ENC_THRESHOLD 1
      
      
    }; // End namespace control
  }; // End namespace antenna
}; // End namespace sza

#endif // End #ifndef