diff options
Diffstat (limited to 'gr-digital/include')
| -rw-r--r-- | gr-digital/include/digital_probe_mpsk_snr_est_c.h | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/gr-digital/include/digital_probe_mpsk_snr_est_c.h b/gr-digital/include/digital_probe_mpsk_snr_est_c.h index 2b03765db..a78e90412 100644 --- a/gr-digital/include/digital_probe_mpsk_snr_est_c.h +++ b/gr-digital/include/digital_probe_mpsk_snr_est_c.h @@ -30,7 +30,9 @@ class digital_probe_mpsk_snr_est_c; typedef boost::shared_ptr<digital_probe_mpsk_snr_est_c> digital_probe_mpsk_snr_est_c_sptr; DIGITAL_API digital_probe_mpsk_snr_est_c_sptr -digital_make_probe_mpsk_snr_est_c(snr_est_type_t type, double alpha); +digital_make_probe_mpsk_snr_est_c(snr_est_type_t type, + int msg_nsamples=10000, + double alpha=0.001); //! \brief A probe for computing SNR of a signal. /*! \ingroup snr_blk @@ -50,23 +52,33 @@ class DIGITAL_API digital_probe_mpsk_snr_est_c : public gr_sync_block { private: snr_est_type_t d_type; + int d_nsamples, d_count; double d_alpha; digital_impl_mpsk_snr_est *d_snr_est; + //d_key is the message name, 'snr' + pmt::pmt_t d_key; + /*! Factory function returning shared pointer of this class * * Parameters: * - * \li \p type: the type of estimator to use \ref ref_snr_est_types + * \param type: the type of estimator to use \ref ref_snr_est_types * "snr_est_type_t" for details about the available types. - * \li \p alpha: the update rate of internal running average + * \param msg_nsamples: [not implemented yet] after this many + * samples, a message containing the SNR (key='snr') will be sent + * \param alpha: the update rate of internal running average * calculations. */ friend DIGITAL_API digital_probe_mpsk_snr_est_c_sptr - digital_make_probe_mpsk_snr_est_c(snr_est_type_t type, double alpha); + digital_make_probe_mpsk_snr_est_c(snr_est_type_t type, + int msg_nsamples, + double alpha); //! Private constructor - digital_probe_mpsk_snr_est_c(snr_est_type_t type, double alpha); + digital_probe_mpsk_snr_est_c(snr_est_type_t type, + int msg_nsamples, + double alpha); public: @@ -82,12 +94,18 @@ public: //! Return the type of estimator in use snr_est_type_t type() const; + //! Return how many samples between SNR messages + int msg_nsample() const; + //! Get the running-average coefficient double alpha() const; //! Set type of estimator to use void set_type(snr_est_type_t t); + //! Set the number of samples between SNR messages + void set_msg_nsample(int n); + //! Set the running-average coefficient void set_alpha(double alpha); }; |