GNU Radio 3.5.3.2 C++ API
noaa_hrpt_pll_cf.h
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1 /* -*- c++ -*- */
2 /*
3  * Copyright 2009 Free Software Foundation, Inc.
4  *
5  * This file is part of GNU Radio
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7  * GNU Radio is free software; you can redistribute it and/or modify
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22 
23 #ifndef INCLUDED_NOAA_HRPT_PLL_CF_H
24 #define INCLUDED_NOAA_HRPT_PLL_CF_H
25 
26 #include <noaa_api.h>
27 #include <gr_sync_block.h>
28 
29 class noaa_hrpt_pll_cf;
31 
33 noaa_make_hrpt_pll_cf(float alpha, float beta, float max_offset);
34 
36 {
37  friend NOAA_API noaa_hrpt_pll_cf_sptr noaa_make_hrpt_pll_cf(float alpha, float beta, float max_offset);
38  noaa_hrpt_pll_cf(float alpha, float beta, float max_offset);
39 
40  float d_alpha; // 1st order loop constant
41  float d_beta; // 2nd order loop constant
42  float d_max_offset; // Maximum frequency offset, radians/sample
43  float d_phase; // Instantaneous carrier phase
44  float d_freq; // Instantaneous carrier frequency, radians/sample
45 
46  public:
47  virtual int work(int noutput_items,
48  gr_vector_const_void_star &input_items,
49  gr_vector_void_star &output_items);
50 
51  void set_alpha(float alpha) { d_alpha = alpha; }
52  void set_beta(float beta) { d_beta = beta; }
53  void set_max_offset(float max_offset) { d_max_offset = max_offset; }
54 };
55 
56 #endif /* INCLUDED_NOAA_HRPT_PLL_CF_H */