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00023 #ifndef INCLUDED_GR_FMDET_CF_H
00024 #define INCLUDED_GR_FMDET_CF_H
00025
00026 #include <gr_sync_block.h>
00027
00028 class gr_fmdet_cf;
00029 typedef boost::shared_ptr<gr_fmdet_cf> gr_fmdet_cf_sptr;
00030
00031 gr_fmdet_cf_sptr gr_make_fmdet_cf (float samplerate, float freq_low, float freq_high, float scl);
00032
00033 class gr_fir_ccf;
00034
00035
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00045
00046 class gr_fmdet_cf : public gr_sync_block
00047 {
00048 friend gr_fmdet_cf_sptr gr_make_fmdet_cf (float samplerate, float freq_low,
00049 float freq_high, float scl);
00050
00051 gr_complex d_S1,d_S2,d_S3,d_S4;
00052 float d_freq,d_freqlo,d_freqhi,d_scl,d_bias;
00053 gr_fir_ccf* d_filter;
00054 gr_fmdet_cf (float samplerate, float freq_low, float freq_high, float scl);
00055
00056 int work (int noutput_items,
00057 gr_vector_const_void_star &input_items,
00058 gr_vector_void_star &output_items);
00059
00060 };
00061
00062 #endif