3 This file is part of a program that implements a Software-Defined Radio.
5 Copyright (C) 2004 by Frank Brickle, AB2KT and Bob McGwier, N4HY
7 This program 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 2 of the License, or
10 (at your option) any later version.
12 This program 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 this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 The authors can be reached by email at
29 The DTTS Microwave Society
40 #include <splitfields.h>
41 #include <datatypes.h>
50 #include <oscillator.h>
51 #include <digitalagc.h>
54 #include <noiseblanker.h>
55 #include <correctIQ.h>
57 #include <speechproc.h>
64 #define SPEC_SEMI_RAW (0)
65 #define SPEC_PRE_FILT (1)
66 #define SPEC_POST_FILT (2)
72 CXB accum, timebuf, freqbuf;
73 int fill, buflen, rxk, scale, size, type;
80 extern void init_spectrum(SpecBlock *sb);
81 extern void reinit_spectrum(SpecBlock *sb);
82 extern void snap_spectrum(SpecBlock *sb, int label);
83 extern void compute_spectrum(SpecBlock *sb);
84 extern void finish_spectrum(SpecBlock *sb);