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https://github.com/gnss-sdr/gnss-sdr
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60 lines
2.5 KiB
C
60 lines
2.5 KiB
C
/*----------------------------------------------------------------------------------------------*/
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/*! \file gn3s.h
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//
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// FILENAME: gn3s.h
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//
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// DESCRIPTION: Defines the GN3S class.
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//
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// DEVELOPERS: Gregory W. Heckler (2003-2009)
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//
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// LICENSE TERMS: Copyright (c) Gregory W. Heckler 2009
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//
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// This file is part of the GPS Software Defined Radio (GPS-SDR)
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//
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// The GPS-SDR is free software; you can redistribute it and/or modify it under the terms of the
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// GNU General Public License as published by the Free Software Foundation; either version 2 of
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// the License, or (at your option) any later version. The GPS-SDR is distributed in the hope that
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// it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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// more details.
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//
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// Note: Comments within this file follow a syntax that is compatible with
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// DOXYGEN and are utilized for automated document extraction
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//
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// Reference:
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*/
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/*----------------------------------------------------------------------------------------------*/
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#ifndef GN3S_H_
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#define GN3S_H_
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#define MODE_NARROW_16_I 32 /* SF:16.368MHz, IF:4.092MHz, 2bit, I */
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#define MODE_NARROW_8_IQ 36 /* SF: 8.184MHz, IF: 0MHz, 4bit, IQ */
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#define MODE_NARROW_5_I 38 /* SF: 5.456MHz, IF:4.092MHz, 2bit, I */
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#define MODE_NARROW_4_IQ 42 /* SF: 4.092MHz, IF: 0MHz, 4bit, IQ */
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#define MODE_WIDE_16_I 132 /* SF:16.368MHz, IF:4.092MHz, 2bit, I */
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#define MODE_WIDE_8_IQ 136 /* SF: 8.184MHz, IF: 0MHz, 4bit, IQ */
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#define MODE_WIDE_5_I 138 /* SF: 5.456MHz, IF:4.092MHz, 2bit, I */
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#define MODE_WIDE_4_IQ 142 /* SF: 4.092MHz, IF: 0MHz, 4bit, IQ */
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#define GN3S_MODE MODE_NARROW_16_I /* GN3S operating mode */
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#define GN3S_DECIMATE 1 /* decimate mode */
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#define GN3S_PACK 1 /* pack mode */
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#define GN3S_BUFFSIZE 32*512 /* buffer size: 16 kB */
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/* global functions */
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extern int gn3s_init(void);
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extern void gn3s_quit(void);
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extern void gn3s_exp_v2(unsigned char *buf, int n, char *expbuf);
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extern void gn3s_getbuff_v2(uint64_t buffloc, int n, int dtype, char *expbuf);
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extern void gn3s_exp_v3(unsigned char *buf, int n, int i_mode, char *expbuf);
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extern void gn3s_getbuff_v3(uint64_t buffloc, int n, int dtype, char *expbuf);
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extern int gn3s_pushtomembuf(void);
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extern void fgn3s_pushtomembuf(void);
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extern void fgn3s_getbuff(uint64_t buffloc, int n, int dtype, char *expbuf);
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#endif
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