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
37 #include <datatypes.h>
42 typedef enum _agcmode { agcOFF, agcLONG, agcSLOW, agcMED, agcFAST } AGCMODE;
49 int hang, indx, over, ramp, rcov, mask, sndx;
51 REAL fix, lim, now, old, raw, top;
56 } digital_agc_state, *DIGITALAGC;
58 extern void delDigitalAgc(DIGITALAGC agc);
61 newDigitalAgc(int Mode,
72 extern void DigitalAgc(DIGITALAGC agc, int tick);