add get_freq_error()
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@ -48,6 +48,7 @@ namespace gr {
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*/
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static sptr make(float samples_per_symbol, float gain_mu, float gain_omega, float alpha, float beta, float max_freq, float min_freq);
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virtual void set_omega(float omega) {}
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virtual float get_freq_error(void) {}
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};
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} // namespace op25_repeater
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@ -146,6 +146,9 @@ void gardner_costas_cc_impl::set_omega (float omega) {
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memset(d_dl, 0, NUM_COMPLEX * sizeof(gr_complex));
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}
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float gardner_costas_cc_impl::get_freq_error (void) {
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return (d_freq);
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}
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void
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gardner_costas_cc_impl::forecast(int noutput_items, gr_vector_int &ninput_items_required)
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@ -261,7 +264,7 @@ gardner_costas_cc_impl::general_work (int noutput_items,
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float error_real = (d_last_sample.real() - interp_samp.real()) * interp_samp_mid.real();
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float error_imag = (d_last_sample.imag() - interp_samp.imag()) * interp_samp_mid.imag();
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gr_complex diffdec = interp_samp * conj(d_last_sample);
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(void)slicer(std::arg(diffdec));
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// cpu reduction (void)slicer(std::arg(diffdec));
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d_last_sample = interp_samp; // save for next time
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#if 1
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float symbol_error = error_real + error_imag; // Gardner loop error
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@ -67,6 +67,7 @@ namespace gr {
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//! Sets value of omega and its min and max values
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void set_omega (float omega);
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float get_freq_error(void);
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protected:
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bool input_sample0(gr_complex, gr_complex& outp);
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