3
* Copyright 2002 Free Software Foundation, Inc.
5
* This file is part of GNU Radio
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)
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.
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.
24
#ifndef _GRATSCFPLL_H_
25
#define _GRATSCFPLL_H_
29
#include <gr_single_pole_iir.h>
31
#include <VrSigProc.h>
33
#include <atsci_diag_output.h>
36
* \brief ATSC FPLL (2nd Version)
40
* A/D --> GrFIRfilterFFF ----> GrAtscFPLL ---->
42
* We use GrFIRfilterFFF to bandpass filter the signal of interest.
44
* This class accepts a single real input and produces a single real output
47
class GrAtscFPLL : public VrSigProc {
55
GrAtscFPLL (double a_initial_freq);
56
virtual ~GrAtscFPLL () {}
58
virtual const char *name () { return "GrAtscFPLL"; }
60
virtual void initialize ();
62
virtual int work (VrSampleRange output, void *o[],
63
VrSampleRange inputs[], void *i[]);
66
// diagnostic routines
67
void set_initial_phase (double phase) { initial_phase = phase; } // radians
68
void set_no_update (bool a_no_update) { debug_no_update = a_no_update; }
76
gr_nco<float,float> nco;
77
gr_agc agc; // automatic gain control
78
gr_single_pole_iir<float,float,float> afci;
79
gr_single_pole_iir<float,float,float> afcq;
81
#ifdef _FPLL_DIAG_OUTPUT_
88
#endif // _GRATSCFPLL_H_