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00025 #ifndef INCLUDED_GR_PLL_FREQDET_CF_H
00026 #define INCLUDED_GR_PLL_FREQDET_CF_H
00027
00028 #include <gr_sync_block.h>
00029
00030 class gr_pll_freqdet_cf;
00031 typedef boost::shared_ptr<gr_pll_freqdet_cf> gr_pll_freqdet_cf_sptr;
00032
00033 gr_pll_freqdet_cf_sptr gr_make_pll_freqdet_cf (float alpha, float beta,
00034 float max_freq, float min_freq);
00035
00036 class gr_pll_freqdet_cf : public gr_sync_block
00037 {
00038 friend gr_pll_freqdet_cf_sptr gr_make_pll_freqdet_cf (float alpha, float beta,
00039 float max_freq, float min_freq);
00040
00041 float d_alpha,d_beta,d_max_freq,d_min_freq,d_phase,d_freq;
00042 gr_pll_freqdet_cf (float alpha, float beta, float max_freq, float min_freq);
00043
00044 int work (int noutput_items,
00045 gr_vector_const_void_star &input_items,
00046 gr_vector_void_star &output_items);
00047 private:
00048 float mod_2pi (float in);
00049 float phase_detector(gr_complex sample,float ref_phase);
00050 };
00051
00052 #endif