Major update

[dttsp.git] / jDttSP / dcblock.h

diff --git a/jDttSP/dcblock.h b/jDttSP/dcblock.h
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+// dcblock.h
+/*
+This file is part of a program that implements a Software-Defined Radio.
+
+Copyright (C) 2004-2005 by Frank Brickle, AB2KT and Bob McGwier, N4HY
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+The authors can be reached by email at
+
+ab2kt@arrl.net
+or
+rwmcgwier@comcast.net
+
+or by paper mail at
+
+The DTTS Microwave Society
+6 Kathleen Place
+Bridgewater, NJ 08807
+*/
+
+#ifndef _dcblock_h
+#define _dcblock_h
+
+#include <fromsys.h>
+#include <defs.h>
+#include <banal.h>
+#include <splitfields.h>
+#include <datatypes.h>
+#include <bufvec.h>
+#include <cxops.h>
+
+#define BLKMEM (9)
+#define DCB_LOW (0)
+#define DCB_MED (1)
+#define DCB_HIGH (2)
+#define DCB_SUPER (3)
+
+typedef struct _dcblocker {
+  struct {
+    REAL inp[BLKMEM], out[BLKMEM];
+  } old;
+  int lev;
+  CXB buf;
+} DCBlockerInfo, *DCBlocker;
+
+extern void DCBlock(DCBlocker dcb);
+extern void resetDCBlocker(DCBlocker dcb, int lev);
+extern DCBlocker newDCBlocker(int lev, CXB buf);
+extern void delDCBlocker(DCBlocker dcb);
+
+#endif