GNU Radio Manual and C++ API Reference 3.7.14.0
The Free & Open Software Radio Ecosystem
fpll.h
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1/* -*- c++ -*- */
2/*
3 * Copyright 2006 Free Software Foundation, Inc.
4 *
5 * This file is part of GNU Radio
6 *
7 * GNU Radio is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3, or (at your option)
10 * any later version.
11 *
12 * GNU Radio is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with GNU Radio; see the file COPYING. If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street,
20 * Boston, MA 02110-1301, USA.
21 */
22
23#ifndef INCLUDED_ATSC_FPLL_H
24#define INCLUDED_ATSC_FPLL_H
25
26#include <gnuradio/analog/agc.h>
27#include <gnuradio/atsc/api.h>
30#include <gnuradio/nco.h>
31#include <gnuradio/sync_block.h>
32#include <stdio.h>
33
34using namespace gr;
35
36class atsc_fpll;
37typedef boost::shared_ptr<atsc_fpll> atsc_fpll_sptr;
38
39ATSC_API atsc_fpll_sptr atsc_make_fpll();
40
41/*!
42 * \brief ATSC FPLL (2nd Version)
43 * \ingroup atsc
44 *
45 * A/D --> GrFIRfilterFFF ----> GrAtscFPLL ---->
46 *
47 * We use GrFIRfilterFFF to bandpass filter the signal of interest.
48 *
49 * This class accepts a single real input and produces a single real output
50 */
51
53{
54 friend ATSC_API atsc_fpll_sptr atsc_make_fpll();
55
56 atsc_fpll();
57
58public:
59 int work(int noutput_items,
60 gr_vector_const_void_star& input_items,
61 gr_vector_void_star& output_items);
62
63 void reset()
64 { /* nop */
65 }
66
67 void initialize();
68
69protected:
74 analog::kernel::agc_ff agc; // automatic gain control
77};
78
79
80#endif /* INCLUDED_ATSC_FPLL_H */
ATSC FPLL (2nd Version)
Definition: fpll.h:53
void initialize()
int work(int noutput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items)
just like gr::block::general_work, only this arranges to call consume_each for you
double initial_phase
Definition: fpll.h:71
analog::kernel::agc_ff agc
Definition: fpll.h:74
gr::nco< float, float > nco
Definition: fpll.h:73
friend ATSC_API atsc_fpll_sptr atsc_make_fpll()
bool debug_no_update
Definition: fpll.h:72
double initial_freq
Definition: fpll.h:70
void reset()
Definition: fpll.h:63
filter::single_pole_iir< float, float, float > afci
Definition: fpll.h:75
filter::single_pole_iir< float, float, float > afcq
Definition: fpll.h:76
high performance Automatic Gain Control class for float signals.
Definition: agc.h:102
synchronous 1:1 input to output with history
Definition: sync_block.h:38
ATSC_API atsc_fpll_sptr atsc_make_fpll()
std::vector< const void * > gr_vector_const_void_star
Definition: gnuradio-runtime/include/gnuradio/types.h:40
std::vector< void * > gr_vector_void_star
Definition: gnuradio-runtime/include/gnuradio/types.h:39
#define ATSC_API
Definition: gr-atsc/include/gnuradio/atsc/api.h:30
Include this header to use the message passing features.
Definition: basic_block.h:45