first commit

2026-06-01 15:58:45 +03:00
commit 89c8a0e2b5
313 changed files with 945364 additions and 0 deletions
@@ -0,0 +1,82 @@
+/*	varsamp.h
+
+This file is part of a program that implements a Software-Defined Radio.
+
+Copyright (C) 2017 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 _varsamp_h
+#define _varsamp_h
+
+typedef struct _varsamp
+{
+	int run;
+	int size;
+	double* in;
+	double* out;
+	int in_rate;
+	int out_rate;
+	double fcin;
+	double fc;
+	double fc_low;
+	double gain;
+	int idx_in;
+	int ncoef;
+	double* h;
+	int rsize;
+	double* ring;
+	double var;
+	int varmode;
+	double cvar;
+	double inv_cvar;
+	double old_inv_cvar;
+	double dicvar;
+	double delta;
+	double* hs;
+	int R;
+	double h_offset;
+	double isamps;
+	double nom_ratio;
+} varsamp, *VARSAMP;
+
+extern VARSAMP create_varsamp ( int run, int size, double* in, double* out,
+	int in_rate, int out_rate, double fc, double fc_low, int R, double gain, double var, int varmode);
+
+extern void destroy_varsamp (VARSAMP a);
+
+extern void flush_varsamp (VARSAMP a);
+
+extern int xvarsamp (VARSAMP a, double var);
+
+extern void setBuffers_varsamp (VARSAMP a, double* in, double* out);
+
+extern void setSize_varsamp (VARSAMP a, int size);
+
+extern void setInRate_varsamp (VARSAMP a, int rate);
+
+extern void setOutRate_varsamp (VARSAMP a, int rate);
+
+extern void setFCLow_varsamp (VARSAMP a, double fc_low);
+
+extern void setBandwidth_varsamp (VARSAMP a, double fc_low, double fc_high);
+
+#endif