www.pudn.com > opengpssim.zip > ogsextern.h
/* ************************************************************************
* *
* GPS Simulation *
* *
* -------------------------------------------------------------------- *
* *
* Module: ogsextern.h *
* *
* Version: 0.1 *
* *
* Date: 17.02.02 *
* *
* Author: G. Beyerle *
* *
* -------------------------------------------------------------------- *
* *
* Copyright (C) 2002-2006 Georg Beyerle *
* *
* 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., 675 Mass Ave, Cambridge, MA 02139, USA. *
* *
* -------------------------------------------------------------------- *
* *
* The files 'gpsfuncs.cpp', 'gpsrcvr.cpp' are modified versions of *
* the files with the same name from Clifford Kelley's OpenSourceGPS *
* distribution. The unmodified files can be obtained from *
* http://www.home.earthlink.net/~cwkelley *
* *
* -------------------------------------------------------------------- *
* *
* Global Variables *
* *
************************************************************************ */
/* ******************************* changes ********************************
dd.mm.yy -
************************************************************************ */
/* ------------------------------------------------------------------------ */
//
// constants defined for GPS
//
#ifdef OGSEXTERN_H
# undef MAIN
#endif
#define OGSEXTERN_H
#ifdef MAIN
char *OGSBinDir;
char *OGSDataDir;
double pi = 3.1415926535898E0, // GPS values
r_to_d = 57.29577951308232;
double c = 2.99792458e8, // WGS-84 speed of light m/sec
omegae = 7.2921151467E-5; // WGS-84 earth rotation rate rad/sec
double a = 6378137.0, b = 6356752.314; // WGS-84 ellipsoid parameters
double lambda = .1902936728; // L1 wavelength in meters
CHANNEL chan[NOFCHAN];
EPHEMERIS gps_eph[NOFSAT+1]; // index 1,...,NOFSAT
ALMANAC gps_alm[NOFSAT+1]; // index 1,...,NOFSAT
int SVh[NOFSAT+1], // satellite vehicle health
ASV[NOFSAT+1]; // anti-spoofing & satellite vehicle configuration
// Setting up the library of GP1020 GPS correlator functions
int bit_pat[12] = {0x2,0x4,0x8,0x10,0x20,0x40,0x80,0x100,0x200,0x400,0x800,0x1000};
int last_hi_carr[12], last_hi_code[12], ch_status;
char last_address;
char *tzstr = "TZ=PST8PDT";
FILE *stream, *in, *out;
//float b0, b1, b2, b3, al0, al1, al2, al3; // broadcast ionospheric delay model
//float a0, a1, tot, WNt, dtls, WNlsf, DN, dtlsf; // broadcast UTC data
IONODATA Iono;
UTCDATA Utc;
float gdop, pdop, hdop, vdop, tdop, alm_toa;
unsigned long clock_tow;
LLH rec_pos_llh;
LLH current_loc,rp_llh;
ECEFT track_sat[13];
ECEF satuse[13], rec_pos_xyz;
int alm_gps_week, gps_week, almanac_valid, almanac_flag;
unsigned long sf[6][11];
//unsigned long sf2[6][11];
int p_error[6], status;
unsigned long test_l[33]={0x00000000L,
0x00000001L,0x00000002L,0x00000004L,0x00000008L,
0x00000010L,0x00000020L,0x00000040L,0x00000080L,
0x00000100L,0x00000200L,0x00000400L,0x00000800L,
0x00001000L,0x00002000L,0x00004000L,0x00008000L,
0x00010000L,0x00020000L,0x00040000L,0x00080000L,
0x00100000L,0x00200000L,0x00400000L,0x00800000L,
0x01000000L,0x02000000L,0x04000000L,0x08000000L,
0x10000000L,0x20000000L,0x40000000L,0x80000000L};
float mask_angle;
char header[45], text[27], trailer;
double meas_dop[13];
ECEF d_sat[13];
// write 0x1f7b1b9 -> CHx_CARRIER_DCO_INCR : 1.405396845 MHz
// resolution : 42.57475 mHz
// write 0x016ea4a8 -> CHx_CODE_DCO_INCR : 1.022999968 MHz
// resolution : 42.57475 mHz
long carrier_ref = 0x1f7b1b9L,
code_ref = 0x016ea4a8L;
double dt[13], cbias;
SATVIS xyz[33];
//char *Buffer = NULL;
//unsigned long BufferLen = 0L;
int NofChanActive = 0;
// CA codes for all 32 PRNs; [1,...,32][0,...,1022]
short int CACode[NOFSAT+1][NOFCHIPS];
// options
int OutputIQ,
OutputCarFrq,
Verbose;
int PRNChn[NOFSAT+1];
//
// conversion table sat ID to page
//
int satid2page[64] =
{
0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15,
16,17,18,19,20,21,22,23,24, 2, 3, 4, 5, 7, 8, 9,
10,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
-1,-1,-1,25,13,14,15,17,18, 1,19,20,22,23,12,25
};
//
// conversion page (4th/5th subframe) to table sat ID
//
int page4sf2page[26] =
{
0,57,25,26,27,28,57,29,30,31,32,57,62,52,53,54,57,55,56,58,59,57,60,61,62,63
};
int page5sf2page[26] =
{
0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,51
};
#else
extern char *OGSBinDir;
extern char *OGSDataDir;
extern double pi, r_to_d;
extern double c, // WGS-84 speed of light m/sec
omegae; // WGS-84 earth rotation rate rad/sec
extern double a, b; // WGS-84 ellipsoid parameters
extern double lambda; // L1 wavelength in meters
extern CHANNEL chan[];
extern EPHEMERIS gps_eph[];
extern ALMANAC gps_alm[];
extern int SVh[], ASV[];
extern int bit_pat[];
extern int last_hi_carr[], last_hi_code[], ch_status;
extern char last_address;
extern char *tzstr;
extern FILE *stream;
//extern float b0, b1, b2, b3, al0, al1, al2, al3; // broadcast ionospheric delay model
//extern float a0, a1, tot, WNt, dtls, WNlsf, DN, dtlsf; // broadcast UTC data
extern IONODATA Iono;
extern UTCDATA Utc;
extern float gdop, pdop, hdop, vdop, tdop, alm_toa;
extern unsigned long clock_tow;
extern LLH rec_pos_llh;
extern LLH current_loc,rp_llh;
extern ECEFT track_sat[];
extern ECEF satuse[], rec_pos_xyz;
extern int alm_gps_week, gps_week, almanac_valid, almanac_flag, handle;
extern unsigned long sf[][11];
//extern unsigned long sf2[][11];
extern int p_error[], status;
extern unsigned long test_l[];
extern float mask_angle;
extern char header[], text[], trailer;
extern double meas_dop[];
extern ECEF d_sat[];
extern long carrier_ref, code_ref;
extern double dt[], cbias;
extern FILE *in,*out;
extern SATVIS xyz[];
//extern char *Buffer;
//extern unsigned long BufferLen;
extern int NofChanActive;
extern short int CACode[][NOFCHIPS];
// options
extern int OutputIQ,
OutputCarFrq,
Verbose;
extern int PRNChn[];
extern int satid2page[];
extern int page4sf2page[];
extern int page5sf2page[];
#endif
/* ------------------------------ end of file ----------------------------- */