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2026-08-25 17:27:33 +00:00 · 2026-06-01 15:58:45 +03:00
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+/*	anr.h
+
+This file is part of a program that implements a Software-Defined Radio.
+
+Copyright (C) 2012, 2013 Warren Pratt, NR0V
+
+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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+The author can be reached by email at
+
+warren@wpratt.com
+
+*/
+
+#ifndef _anr_h
+#define _anr_h
+
+#define ANR_DLINE_SIZE 2048
+
+typedef struct _anr
+{
+	int run;
+	int position;
+	int buff_size;
+	double *in_buff;
+	double *out_buff;
+	int dline_size;
+	int mask;
+	int n_taps;
+	int delay;
+	double two_mu;
+	double gamma;
+	double d [ANR_DLINE_SIZE];
+	double w [ANR_DLINE_SIZE];
+	int in_idx;
+
+	double lidx;
+	double lidx_min;
+	double lidx_max;
+	double ngamma;
+	double den_mult;
+	double lincr;
+	double ldecr;
+} anr, *ANR;
+
+extern ANR create_anr	(
+				int run,
+				int position,
+				int buff_size,
+				double *in_buff,
+				double *out_buff,
+				int dline_size,
+				int n_taps,
+				int delay,
+				double two_mu,
+				double gamma,
+
+				double lidx,
+				double lidx_min,
+				double lidx_max,
+				double ngamma,
+				double den_mult,
+				double lincr,
+				double ldecr
+			);
+
+extern void destroy_anr (ANR a);
+
+extern void flush_anr (ANR a);
+
+extern void xanr (ANR a, int position);
+
+extern void setBuffers_anr (ANR a, double* in, double* out);
+
+extern void setSamplerate_anr (ANR a, int rate);
+
+extern void setSize_anr (ANR a, int size);
+
+// RXA Properties
+
+extern __declspec (dllexport) void SetRXAANRRun (int channel, int setit);
+
+extern __declspec (dllexport) void SetRXAANRVals (int channel, int taps, int delay, double gain, double leakage);
+
+extern __declspec (dllexport) void SetRXAANRTaps (int channel, int taps);
+
+extern __declspec (dllexport) void SetRXAANRDelay (int channel, int delay);
+
+extern __declspec (dllexport) void SetRXAANRGain (int channel, double gain);
+
+extern __declspec (dllexport) void SetRXAANRLeakage (int channel, double leakage);
+
+extern __declspec (dllexport) void SetRXAANRPosition (int channel, int position);
+
+#endif