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Introduce N_DWRD_SBF as symbolic constant for 10 dwords-per-subframe

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Harald Welte 2015-08-21 01:10:53 +02:00
parent 4282f2b63e
commit 9081cad620
1 changed files with 11 additions and 8 deletions
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19
gpssim.c
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@ -32,8 +32,11 @@ typedef int bool;
/*! \brief Number of subframes */ /*! \brief Number of subframes */
#define N_SBF (51) // 6 seconds per subframe, 6 sec * 51 = 306 sec (max) #define N_SBF (51) // 6 seconds per subframe, 6 sec * 51 = 306 sec (max)
/*! \brief Number of words per subframe */
#define N_DWRD_SBF (10) // 10 word per subframe
/*! \brief Number of words */ /*! \brief Number of words */
#define N_DWRD (N_SBF*10) // 10 word per subframe #define N_DWRD (N_SBF*N_DWRD_SBF) // 10 word per subframe
#define SECONDS_IN_WEEK 604800.0 #define SECONDS_IN_WEEK 604800.0
#define SECONDS_IN_HALF_WEEK 302400.0 #define SECONDS_IN_HALF_WEEK 302400.0
@ -242,13 +245,13 @@ void codegen(int *ca, int prn)
473, 474, 509, 512, 513, 514, 515, 516, 859, 860, 473, 474, 509, 512, 513, 514, 515, 516, 859, 860,
861, 862}; 861, 862};
int g1[1023],g2[1023],r1[10],r2[10],c1,c2; int g1[1023], g2[1023], r1[N_DWRD_SBF], r2[N_DWRD_SBF], c1, c2;
int i,j; int i,j;
if (prn<1 || prn>32) if (prn<1 || prn>32)
return; return;
for (i=0;i<10;i++) for (i=0; i<N_DWRD_SBF; i++)
r1[i] = r2[i] = -1; r1[i] = r2[i] = -1;
for (i=0; i<1023; i++) for (i=0; i<1023; i++)
@ -560,7 +563,7 @@ void satpos(ephem_t eph, gpstime_t g, double *pos, double *vel, double *clk)
* \param[in] eph Ephemeris of given SV * \param[in] eph Ephemeris of given SV
* \param[out] sbf Array of five sub-frames, 10 long words each * \param[out] sbf Array of five sub-frames, 10 long words each
*/ */
void eph2sbf(const ephem_t eph, unsigned long sbf[5][10]) void eph2sbf(const ephem_t eph, unsigned long sbf[5][N_DWRD_SBF])
{ {
unsigned long wn; unsigned long wn;
unsigned long toe; unsigned long toe;
@ -1235,7 +1238,7 @@ int main(int argc, char *argv[])
int isbf,iwrd; int isbf,iwrd;
unsigned long tow; unsigned long tow;
unsigned long sbf[5][10]; unsigned long sbf[5][N_DWRD_SBF];
unsigned long sbfwrd; unsigned long sbfwrd;
unsigned long prevwrd; unsigned long prevwrd;
int nib; int nib;
@ -1542,7 +1545,7 @@ int main(int argc, char *argv[])
for (isbf=0; isbf<N_SBF; isbf++) for (isbf=0; isbf<N_SBF; isbf++)
{ {
for (iwrd=0; iwrd<10; iwrd++) for (iwrd=0; iwrd<N_DWRD_SBF; iwrd++)
{ {
sbfwrd = sbf[(isbf+4)%5][iwrd]; // Start from subframe 5 sbfwrd = sbf[(isbf+4)%5][iwrd]; // Start from subframe 5
@ -1555,9 +1558,9 @@ int main(int argc, char *argv[])
nib = ((iwrd==1)||(iwrd==9))?1:0; // Non-information bearing bits for word 2 and 10 nib = ((iwrd==1)||(iwrd==9))?1:0; // Non-information bearing bits for word 2 and 10
chan[i].dwrd[isbf*10+iwrd] = computeChecksum(sbfwrd, nib); chan[i].dwrd[isbf*N_DWRD_SBF+iwrd] = computeChecksum(sbfwrd, nib);
prevwrd = chan[i].dwrd[isbf*10+iwrd]; prevwrd = chan[i].dwrd[isbf*N_DWRD_SBF+iwrd];
} }
tow++; // Next subframe tow++; // Next subframe