gr_clock_recovery_mm_cc.h
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00023 #ifndef INCLUDED_GR_CLOCK_RECOVERY_MM_CC_H
00024 #define INCLUDED_GR_CLOCK_RECOVERY_MM_CC_H
00025
00026 #include <gr_block.h>
00027 #include <gr_complex.h>
00028
00029 class gri_mmse_fir_interpolator_cc;
00030
00031 class gr_clock_recovery_mm_cc;
00032 typedef boost::shared_ptr<gr_clock_recovery_mm_cc> gr_clock_recovery_mm_cc_sptr;
00033
00034
00035 gr_clock_recovery_mm_cc_sptr
00036 gr_make_clock_recovery_mm_cc (float omega, float gain_omega, float mu, float gain_mu,
00037 float omega_relative_limit=0.001);
00038
00050 class gr_clock_recovery_mm_cc : public gr_block
00051 {
00052 public:
00053 ~gr_clock_recovery_mm_cc ();
00054 void forecast(int noutput_items, gr_vector_int &ninput_items_required);
00055 int general_work (int noutput_items,
00056 gr_vector_int &ninput_items,
00057 gr_vector_const_void_star &input_items,
00058 gr_vector_void_star &output_items);
00059 float mu() const { return d_mu;}
00060 float omega() const { return d_omega;}
00061 float gain_mu() const { return d_gain_mu;}
00062 float gain_omega() const { return d_gain_omega;}
00063 void set_verbose (bool verbose) { d_verbose = verbose; }
00064
00065 void set_gain_mu (float gain_mu) { d_gain_mu = gain_mu; }
00066 void set_gain_omega (float gain_omega) { d_gain_omega = gain_omega; }
00067 void set_mu (float mu) { d_mu = mu; }
00068 void set_omega (float omega) {
00069 d_omega = omega;
00070 d_min_omega = omega*(1.0 - d_omega_relative_limit);
00071 d_max_omega = omega*(1.0 + d_omega_relative_limit);
00072 }
00073
00074 protected:
00075 gr_clock_recovery_mm_cc (float omega, float gain_omega, float mu, float gain_mu,
00076 float omega_relative_limi);
00077
00078 private:
00079 float d_mu;
00080 float d_omega;
00081 float d_gain_omega;
00082 float d_min_omega;
00083 float d_max_omega;
00084 float d_omega_relative_limit;
00085 float d_gain_mu;
00086 gr_complex d_last_sample;
00087 gri_mmse_fir_interpolator_cc *d_interp;
00088 bool d_verbose;
00089
00090 gr_complex d_p_2T;
00091 gr_complex d_p_1T;
00092 gr_complex d_p_0T;
00093
00094 gr_complex d_c_2T;
00095 gr_complex d_c_1T;
00096 gr_complex d_c_0T;
00097
00098 gr_complex slicer_0deg (gr_complex sample);
00099 gr_complex slicer_45deg (gr_complex sample);
00100
00101 friend gr_clock_recovery_mm_cc_sptr
00102 gr_make_clock_recovery_mm_cc (float omega, float gain_omega, float mu, float gain_mu,
00103 float omega_relative_limit);
00104 };
00105
00106 #endif