RailcomBroadcastDecoder.hxx

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#include <stdint.h>
 
#ifndef _DCC_RAILCOMBROADCASTDECODER_HXX_
#define _DCC_RAILCOMBROADCASTDECODER_HXX_
 
namespace dcc
{
 
struct Feedback;
 
class RailcomBroadcastDecoder
{
public:
    RailcomBroadcastDecoder()
        : currentH_(0)
        , currentL_(0)
        , countH_(0)
        , countL_(0)
        , currentAddress_(0)
        , lastAddress_(0)
    {
    }
 
    uint16_t current_address()
    {
        return currentAddress_;
    }
 
    bool process_packet(const dcc::Feedback &packet);
 
    void set_occupancy(bool value);
 
private:
    bool process_data(const uint8_t *data, unsigned size);
 
    void notify_empty();
    
    static const uint8_t MIN_REPEAT_COUNT = 3;
    static const uint8_t MIN_EMPTY_COUNT = 8;
 
    uint8_t currentH_; 
    uint8_t currentL_; 
    uint8_t countH_;   
    uint8_t countL_;   
 
    uint16_t currentAddress_; 
 
public:
    uint16_t lastAddress_;
};
 
} // namespace dcc
 
#endif // _DCC_RAILCOMBROADCASTDECODER_HXX_