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00024 #ifndef INCLUDED_GR_COSTAS_LOOP_CC_H
00025 #define INCLUDED_GR_COSTAS_LOOP_CC_H
00026
00027 #include <gr_sync_block.h>
00028
00029 class gr_costas_loop_cc;
00030 typedef boost::shared_ptr<gr_costas_loop_cc> gr_costas_loop_cc_sptr;
00031
00032 gr_costas_loop_cc_sptr gr_make_costas_loop_cc (float alpha, float beta,
00033 float max_freq, float min_freq, float ref_phase);
00034
00039 class gr_costas_loop_cc : public gr_sync_block
00040 {
00041 friend gr_costas_loop_cc_sptr gr_make_costas_loop_cc (float alpha, float beta,
00042 float max_freq, float min_freq, float ref_phase);
00043
00044 float d_alpha, d_beta, d_max_freq, d_min_freq, d_phase, d_freq, d_ref_phase;
00045
00046 gr_costas_loop_cc (float alpha, float beta, float max_freq, float min_freq, float ref_phase);
00047 float phase_detector(gr_complex sample,float ref_phase);
00048
00049 public:
00050
00051 int work (int noutput_items,
00052 gr_vector_const_void_star &input_items,
00053 gr_vector_void_star &output_items);
00054 };
00055
00056 #endif