#ifndef _AIR_MODES_PREAMBLE_IMPL_H_ #define _AIR_MODES_PREAMBLE_IMPL_H_ #include #include #include namespace gr { namespace air_modes { class AIR_MODES_API preamble_impl : public preamble { private: int d_check_width; int d_chip_rate; float d_preamble_length_us; float d_samples_per_chip; float d_samples_per_symbol; float d_threshold_db; float d_threshold; gr::tag_t d_timestamp; pmt::pmt_t d_me, d_key; int d_sample_rate; public: preamble_impl(float channel_rate, float threshold_db); int general_work (int noutput_items, gr_vector_int &ninput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items); void set_rate(float channel_rate); void set_threshold(float threshold_db); float get_threshold(void); float get_rate(void); }; } //namespace air_modes } //namespace gr #endif //_AIR_MODES_PREAMBLE_IMPL_H_