hamming_enc_impl.h

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#ifndef INCLUDED_LORA_HAMMING_ENC_IMPL_H
#define INCLUDED_LORA_HAMMING_ENC_IMPL_H
 
#include <lora_sdr/hamming_enc.h>
 
namespace gr {
namespace lora_sdr {
 
class hamming_enc_impl : public hamming_enc {
private:
  /**
   * @brief Transmission coding rate
   *
   */
  uint8_t m_cr;
 
  /**
   * @brief Transmission spreading factor
   *
   */
  uint8_t m_sf;
 
  /**
   * @brief count the number of processed items in the current frame
   *
   */
  int m_cnt;
 
public:
  /**
   * @brief Construct a new hamming enc impl object
   *
   * @param cr : coding rate
   * @param sf : spreading factor
   */
  hamming_enc_impl(uint8_t cr, uint8_t sf);
 
  /**
   * @brief Destroy the hamming enc impl object
   *
   */
  ~hamming_enc_impl();
 
  /**
   * @brief Main function that does the actual hamming encoding.
   * With cr : coding rate, and sf : spreading factor
   *
   * @param noutput_items : number of output items
   * @param input_items : number of input items
   * @param output_items : number of output items
   * @return int
   */
  int work(int noutput_items, gr_vector_const_void_star &input_items,
           gr_vector_void_star &output_items);
};
 
} // namespace lora_sdr
} // namespace gr
 
#endif /* INCLUDED_LORA_HAMMING_ENC_IMPL_H */