baudot.hh

#ifndef __SDR_BAUDOT_HH__
#define __SDR_BAUDOT_HH__

#include "node.hh"
#include <map>

namespace sdr {

class Baudot: public Sink<uint8_t>, public Source
{
public:
  typedef enum {
    LETTERS,   
    FIGURES    
  } Mode;

  typedef enum {
    STOP1,   
    STOP15,  
    STOP2    
  } StopBits;

public:
  Baudot(StopBits stopBits = STOP15);

  virtual void config(const Config &src_cfg);
  virtual void process(const Buffer<uint8_t> &buffer, bool allow_overwrite);

protected:
  static char _letter[32];
  static char _figure[32];
  uint16_t _bitstream;
  size_t   _bitcount;

  Mode     _mode;

  size_t   _bitsPerSymbol;
  uint16_t _pattern;
  uint16_t _mask;
  uint16_t _stopHBits;

  Buffer<uint8_t> _buffer;
};

}

#endif // BAUDOT_HH