mirrors/gnss-sdr
1
0
Fork 0
mirror of https://github.com/gnss-sdr/gnss-sdr synced 2025-01-29 10:24:51 +00:00
Code Issues Releases Wiki Activity

Clean code

Browse Source
This commit is contained in:
Antonio Ramos 2018-03-12 10:51:06 +01:00
parent ecb4a4970a
commit 0057e60924
4 changed files with 175 additions and 167 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
src/algorithms/PVT/libs/rtklib_solver.cc
View File

@ -247,19 +247,19 @@ bool rtklib_solver::get_PVT(const std::map<int, Gnss_Synchro>& gnss_observables_
{
if (eph_data[i].sat == static_cast<int>(gnss_observables_iter->second.PRN))
{
eph_t eph_aux = eph_to_rtklib(gps_cnav_ephemeris_iter->second);
eph_data[i].tgd = eph_aux.tgd;
eph_data[i].isc = eph_aux.isc;
eph_data[i] = eph_to_rtklib(gps_cnav_ephemeris_iter->second);
/* By the moment, GPS L2 observables are not used in pseudorange computations
obs_data[i + glo_valid_obs] = insert_obs_to_rtklib(obs_data[i + glo_valid_obs],
gnss_observables_iter->second,
eph_data[i].week,
1); //Band 2 (L2)
1); //Band 2 (L2) */
break;
}
}
}
else
{ /*
{
/* By the moment, GPS L2 observables are not used in pseudorange computations
// 3. If not found, insert the GPS L2 ephemeris and the observation
//convert ephemeris from GNSS-SDR class to RTKLIB structure
eph_data[valid_obs] = eph_to_rtklib(gps_cnav_ephemeris_iter->second);
@ -273,7 +273,7 @@ bool rtklib_solver::get_PVT(const std::map<int, Gnss_Synchro>& gnss_observables_
gps_cnav_ephemeris_iter->second.i_GPS_week,
1); //Band 2 (L2)
valid_obs++;
*/
*/
}
}
else // the ephemeris are not available for this SV

47
src/algorithms/libs/rtklib/rtklib_pntpos.cc
View File

@ -54,8 +54,6 @@
#include "rtklib_ephemeris.h"
#include "rtklib_ionex.h"
#include "rtklib_sbas.h"
#include <fstream>
#include <string>
/* pseudorange measurement error variance ------------------------------------*/
double varerr(const prcopt_t *opt, double el, int sys)
@ -132,6 +130,7 @@ double prange(const obsd_t *obs, const nav_t *nav, const double *azel,
double P1_P2 = 0.0;
double P1_C1 = 0.0;
double P2_C2 = 0.0;
//Intersignal corrections (m). See GPS IS-200 CNAV message
double ISCl1 = 0.0;
double ISCl2 = 0.0;
double ISCl5i = 0.0;
@ -154,8 +153,7 @@ double prange(const obsd_t *obs, const nav_t *nav, const double *azel,
{
j = 2;
}
if (sys == SYS_GPS)
else if (sys == SYS_GPS or sys == SYS_GLO)
{
if (obs->code[1] != CODE_NONE)
{
@ -203,18 +201,6 @@ double prange(const obsd_t *obs, const nav_t *nav, const double *azel,
P1_C1 = nav->cbias[obs->sat - 1][1];
P2_C2 = nav->cbias[obs->sat - 1][2];
std::string d_dump_filename = "/home/aramos/dump_prange.dat";
std::ofstream d_file;
d_file.exceptions(std::ifstream::failbit | std::ifstream::badbit);
d_file.open(d_dump_filename.c_str(), std::ios::out | std::ios::binary | std::ios::app);
double tmp_double = static_cast<double>(obs->sat);
d_file.write(reinterpret_cast<char *>(&tmp_double), sizeof(double));
d_file.write(reinterpret_cast<char *>(&P1), sizeof(double));
d_file.write(reinterpret_cast<char *>(&P2), sizeof(double));
d_file.write(reinterpret_cast<char *>(&P1_P2), sizeof(double));
d_file.write(reinterpret_cast<char *>(&P1_C1), sizeof(double));
d_file.write(reinterpret_cast<char *>(&P2_C2), sizeof(double));
/* if no P1-P2 DCB, use TGD instead */
if (P1_P2 == 0.0)
{
@ -227,12 +213,7 @@ double prange(const obsd_t *obs, const nav_t *nav, const double *azel,
ISCl2 = getiscl2(obs->sat, nav);
ISCl5i = getiscl5i(obs->sat, nav);
ISCl5q = getiscl5q(obs->sat, nav);
d_file.write(reinterpret_cast<char *>(&ISCl1), sizeof(double));
d_file.write(reinterpret_cast<char *>(&ISCl2), sizeof(double));
d_file.write(reinterpret_cast<char *>(&ISCl5i), sizeof(double));
d_file.write(reinterpret_cast<char *>(&ISCl5q), sizeof(double));
}
d_file.write(reinterpret_cast<char *>(&P1_P2), sizeof(double));
//CHECK IF IT IS STILL NEEDED
if (opt->ionoopt == IONOOPT_IFLC)
@ -263,19 +244,26 @@ double prange(const obsd_t *obs, const nav_t *nav, const double *azel,
}
else if (obs->code[i] != CODE_NONE and obs->code[j] == CODE_NONE)
{ //CHECK!!
{
P1 += P1_C1; /* C1->P1 */
PC = P1 + P1_P2;
}
else if (obs->code[i] == CODE_NONE and obs->code[j] != CODE_NONE)
{
if (sys == SYS_GPS)
{ //CHECK!!
{
P2 += P2_C2; /* C2->P2 */
//PC = P2 - gamma_ * P1_P2 / (1.0 - gamma_);
PC = P2 + P1_P2 - ISCl2;
if (obs->code[j] == CODE_L2S) //L2 single freq.
{
PC = P2 + P1_P2 - ISCl2;
}
else if (obs->code[j] == CODE_L5X) //L5 single freq.
{
PC = P2 + P1_P2 - ISCl5i;
}
}
else if (sys == SYS_GAL)
else if (sys == SYS_GAL) // Gal. E5a single freq.
{
//TODO
}
@ -285,9 +273,12 @@ double prange(const obsd_t *obs, const nav_t *nav, const double *azel,
{
if (obs->code[j] == CODE_L2S) /* L1 + L2 */
{
PC = (P2 + ISCl2 - gamma_ * (P1 + ISCl1)) / (1.0 - gamma_) - P1_P2;
//By the moment, GPS L2 pseudoranges are not used
//PC = (P2 + ISCl2 - gamma_ * (P1 + ISCl1)) / (1.0 - gamma_) - P1_P2;
P1 += P1_C1; /* C1->P1 */
PC = P1 + P1_P2;
}
if (obs->code[j] == CODE_L5X) /* L1 + L5 */
else if (obs->code[j] == CODE_L5X) /* L1 + L5 */
{
}
}
@ -296,8 +287,6 @@ double prange(const obsd_t *obs, const nav_t *nav, const double *azel,
//TODO
}
}
d_file.write(reinterpret_cast<char *>(&PC), sizeof(double));
d_file.close();
if (opt->sateph == EPHOPT_SBAS)
{
PC -= P1_C1;

43
src/core/system_parameters/gps_cnav_ephemeris.h
View File

@ -138,25 +138,30 @@ public:
{
};
archive& make_nvp("i_satellite_PRN", i_satellite_PRN); // SV PRN NUMBER
archive& make_nvp("d_TOW", d_TOW); //!< Time of GPS Week of the ephemeris set (taken from subframes TOW) [s]
archive& make_nvp("d_Crs", d_Crs); //!< Amplitude of the Sine Harmonic Correction Term to the Orbit Radius [m]
archive& make_nvp("d_M_0", d_M_0); //!< Mean Anomaly at Reference Time [semi-circles]
archive& make_nvp("d_Cuc", d_Cuc); //!< Amplitude of the Cosine Harmonic Correction Term to the Argument of Latitude [rad]
archive& make_nvp("d_e_eccentricity", d_e_eccentricity); //!< Eccentricity [dimensionless]
archive& make_nvp("d_Cus", d_Cus); //!< Amplitude of the Sine Harmonic Correction Term to the Argument of Latitude [rad]
archive& make_nvp("d_Toe1", d_Toe1); //!< Ephemeris data reference time of week (Ref. 20.3.3.4.3 IS-GPS-200E) [s]
archive& make_nvp("d_Toe2", d_Toe2); //!< Ephemeris data reference time of week (Ref. 20.3.3.4.3 IS-GPS-200E) [s]
archive& make_nvp("d_Toc", d_Toc); //!< clock data reference time (Ref. 20.3.3.3.3.1 IS-GPS-200E) [s]
archive& make_nvp("d_Cic", d_Cic); //!< Amplitude of the Cosine Harmonic Correction Term to the Angle of Inclination [rad]
archive& make_nvp("d_OMEGA0", d_OMEGA0); //!< Longitude of Ascending Node of Orbit Plane at Weekly Epoch [semi-circles]
archive& make_nvp("d_Cis", d_Cis); //!< Amplitude of the Sine Harmonic Correction Term to the Angle of Inclination [rad]
archive& make_nvp("d_i_0", d_i_0); //!< Inclination Angle at Reference Time [semi-circles]
archive& make_nvp("d_Crc", d_Crc); //!< Amplitude of the Cosine Harmonic Correction Term to the Orbit Radius [m]
archive& make_nvp("d_OMEGA", d_OMEGA); //!< Argument of Perigee [semi-cicles]
archive& make_nvp("d_IDOT", d_IDOT); //!< Rate of Inclination Angle [semi-circles/s]
archive& make_nvp("i_GPS_week", i_GPS_week); //!< GPS week number, aka WN [week]
archive& make_nvp("d_TGD", d_TGD); //!< Estimated Group Delay Differential: L1-L2 correction term only for the benefit of "L1 P(Y)" or "L2 P(Y)" s users [s]
archive& make_nvp("i_satellite_PRN", i_satellite_PRN); // SV PRN NUMBER
archive& make_nvp("d_TOW", d_TOW); //!< Time of GPS Week of the ephemeris set (taken from subframes TOW) [s]
archive& make_nvp("d_Crs", d_Crs); //!< Amplitude of the Sine Harmonic Correction Term to the Orbit Radius [m]
archive& make_nvp("d_M_0", d_M_0); //!< Mean Anomaly at Reference Time [semi-circles]
archive& make_nvp("d_Cuc", d_Cuc); //!< Amplitude of the Cosine Harmonic Correction Term to the Argument of Latitude [rad]
archive& make_nvp("d_e_eccentricity", d_e_eccentricity); //!< Eccentricity [dimensionless]
archive& make_nvp("d_Cus", d_Cus); //!< Amplitude of the Sine Harmonic Correction Term to the Argument of Latitude [rad]
archive& make_nvp("d_Toe1", d_Toe1); //!< Ephemeris data reference time of week (Ref. 20.3.3.4.3 IS-GPS-200E) [s]
archive& make_nvp("d_Toe2", d_Toe2); //!< Ephemeris data reference time of week (Ref. 20.3.3.4.3 IS-GPS-200E) [s]
archive& make_nvp("d_Toc", d_Toc); //!< clock data reference time (Ref. 20.3.3.3.3.1 IS-GPS-200E) [s]
archive& make_nvp("d_Cic", d_Cic); //!< Amplitude of the Cosine Harmonic Correction Term to the Angle of Inclination [rad]
archive& make_nvp("d_OMEGA0", d_OMEGA0); //!< Longitude of Ascending Node of Orbit Plane at Weekly Epoch [semi-circles]
archive& make_nvp("d_Cis", d_Cis); //!< Amplitude of the Sine Harmonic Correction Term to the Angle of Inclination [rad]
archive& make_nvp("d_i_0", d_i_0); //!< Inclination Angle at Reference Time [semi-circles]
archive& make_nvp("d_Crc", d_Crc); //!< Amplitude of the Cosine Harmonic Correction Term to the Orbit Radius [m]
archive& make_nvp("d_OMEGA", d_OMEGA); //!< Argument of Perigee [semi-cicles]
archive& make_nvp("d_IDOT", d_IDOT); //!< Rate of Inclination Angle [semi-circles/s]
archive& make_nvp("i_GPS_week", i_GPS_week); //!< GPS week number, aka WN [week]
archive& make_nvp("d_TGD", d_TGD); //!< Estimated Group Delay Differential: L1-L2 correction term only for the benefit of "L1 P(Y)" or "L2 P(Y)" s users [s]
archive& make_nvp("d_ISCL1", d_ISCL1); //!< Estimated Group Delay Differential: L1P(Y)-L1C/A correction term only for the benefit of "L1 P(Y)" or "L2 P(Y)" s users [s]
archive& make_nvp("d_ISCL2", d_ISCL2); //!< Estimated Group Delay Differential: L1P(Y)-L2C correction term only for the benefit of "L1 P(Y)" or "L2 P(Y)" s users [s]
archive& make_nvp("d_ISCL5I", d_ISCL5I); //!< Estimated Group Delay Differential: L1P(Y)-L5i correction term only for the benefit of "L1 P(Y)" or "L2 P(Y)" s users [s]
archive& make_nvp("d_ISCL5Q", d_ISCL5Q); //!< Estimated Group Delay Differential: L1P(Y)-L5q correction term only for the benefit of "L1 P(Y)" or "L2 P(Y)" s users [s]
archive& make_nvp("d_DELTA_A", d_DELTA_A); //!< Semi-major axis difference at reference time [m]
archive& make_nvp("d_A_DOT", d_A_DOT); //!< Change rate in semi-major axis [m/s]
archive& make_nvp("d_DELTA_OMEGA_DOT", d_DELTA_OMEGA_DOT); //!< Rate of Right Ascension difference [semi-circles/s]

240
src/core/system_parameters/gps_cnav_navigation_message.cc
View File

@ -187,127 +187,141 @@ void Gps_CNAV_Navigation_Message::decode_page(std::bitset<GPS_CNAV_DATA_PAGE_BIT
page_type = static_cast<int>(read_navigation_unsigned(data_bits, CNAV_MSG_TYPE));
switch(page_type)
{
case 10: // Ephemeris 1/2
ephemeris_record.i_GPS_week = static_cast<int>(read_navigation_unsigned(data_bits, CNAV_WN));
ephemeris_record.i_signal_health = static_cast<int>(read_navigation_unsigned(data_bits, CNAV_HEALTH));
ephemeris_record.d_Top = static_cast<double>(read_navigation_unsigned(data_bits, CNAV_TOP1));
ephemeris_record.d_Top *= CNAV_TOP1_LSB;
ephemeris_record.d_URA0 = static_cast<double>(read_navigation_signed(data_bits, CNAV_URA));
ephemeris_record.d_Toe1 = static_cast<double>(read_navigation_unsigned(data_bits, CNAV_TOE1));
ephemeris_record.d_Toe1 *= CNAV_TOE1_LSB;
ephemeris_record.d_DELTA_A = static_cast<double>(read_navigation_signed(data_bits, CNAV_DELTA_A));
ephemeris_record.d_DELTA_A *= CNAV_DELTA_A_LSB;
ephemeris_record.d_A_DOT = static_cast<double>(read_navigation_signed(data_bits, CNAV_A_DOT));
ephemeris_record.d_A_DOT *= CNAV_A_DOT_LSB;
ephemeris_record.d_Delta_n = static_cast<double>(read_navigation_signed(data_bits, CNAV_DELTA_N0));
ephemeris_record.d_Delta_n *= CNAV_DELTA_N0_LSB;
ephemeris_record.d_DELTA_DOT_N = static_cast<double>(read_navigation_signed(data_bits, CNAV_DELTA_N0_DOT));
ephemeris_record.d_DELTA_DOT_N *= CNAV_DELTA_N0_DOT_LSB;
ephemeris_record.d_M_0 = static_cast<double>(read_navigation_signed(data_bits, CNAV_M0));
ephemeris_record.d_M_0 *= CNAV_M0_LSB;
ephemeris_record.d_e_eccentricity = static_cast<double>(read_navigation_unsigned(data_bits, CNAV_E_ECCENTRICITY));
ephemeris_record.d_e_eccentricity *= CNAV_E_ECCENTRICITY_LSB;
ephemeris_record.d_OMEGA = static_cast<double>(read_navigation_signed(data_bits, CNAV_OMEGA));
ephemeris_record.d_OMEGA *= CNAV_OMEGA_LSB;
switch (page_type)
{
case 10: // Ephemeris 1/2
ephemeris_record.i_GPS_week = static_cast<int>(read_navigation_unsigned(data_bits, CNAV_WN));
ephemeris_record.i_signal_health = static_cast<int>(read_navigation_unsigned(data_bits, CNAV_HEALTH));
ephemeris_record.d_Top = static_cast<double>(read_navigation_unsigned(data_bits, CNAV_TOP1));
ephemeris_record.d_Top *= CNAV_TOP1_LSB;
ephemeris_record.d_URA0 = static_cast<double>(read_navigation_signed(data_bits, CNAV_URA));
ephemeris_record.d_Toe1 = static_cast<double>(read_navigation_unsigned(data_bits, CNAV_TOE1));
ephemeris_record.d_Toe1 *= CNAV_TOE1_LSB;
ephemeris_record.d_DELTA_A = static_cast<double>(read_navigation_signed(data_bits, CNAV_DELTA_A));
ephemeris_record.d_DELTA_A *= CNAV_DELTA_A_LSB;
ephemeris_record.d_A_DOT = static_cast<double>(read_navigation_signed(data_bits, CNAV_A_DOT));
ephemeris_record.d_A_DOT *= CNAV_A_DOT_LSB;
ephemeris_record.d_Delta_n = static_cast<double>(read_navigation_signed(data_bits, CNAV_DELTA_N0));
ephemeris_record.d_Delta_n *= CNAV_DELTA_N0_LSB;
ephemeris_record.d_DELTA_DOT_N = static_cast<double>(read_navigation_signed(data_bits, CNAV_DELTA_N0_DOT));
ephemeris_record.d_DELTA_DOT_N *= CNAV_DELTA_N0_DOT_LSB;
ephemeris_record.d_M_0 = static_cast<double>(read_navigation_signed(data_bits, CNAV_M0));
ephemeris_record.d_M_0 *= CNAV_M0_LSB;
ephemeris_record.d_e_eccentricity = static_cast<double>(read_navigation_unsigned(data_bits, CNAV_E_ECCENTRICITY));
ephemeris_record.d_e_eccentricity *= CNAV_E_ECCENTRICITY_LSB;
ephemeris_record.d_OMEGA = static_cast<double>(read_navigation_signed(data_bits, CNAV_OMEGA));
ephemeris_record.d_OMEGA *= CNAV_OMEGA_LSB;
ephemeris_record.b_integrity_status_flag = static_cast<bool>(read_navigation_bool(data_bits, CNAV_INTEGRITY_FLAG));
ephemeris_record.b_l2c_phasing_flag = static_cast<bool>(read_navigation_bool(data_bits, CNAV_L2_PHASING_FLAG));
b_flag_ephemeris_1 = true;
break;
case 11: // Ephemeris 2/2
ephemeris_record.d_Toe2 = static_cast<double>(read_navigation_unsigned(data_bits, CNAV_TOE2));
ephemeris_record.d_Toe2 *= CNAV_TOE2_LSB;
ephemeris_record.d_OMEGA0 = static_cast<double>(read_navigation_signed(data_bits, CNAV_OMEGA0));
ephemeris_record.d_OMEGA0 *= CNAV_OMEGA0_LSB;
ephemeris_record.d_DELTA_OMEGA_DOT = static_cast<double>(read_navigation_signed(data_bits, CNAV_DELTA_OMEGA_DOT));
ephemeris_record.d_DELTA_OMEGA_DOT *= CNAV_DELTA_OMEGA_DOT_LSB;
ephemeris_record.d_i_0 = static_cast<double>(read_navigation_signed(data_bits, CNAV_I0));
ephemeris_record.d_i_0 *= CNAV_I0_LSB;
ephemeris_record.d_IDOT = static_cast<double>(read_navigation_signed(data_bits, CNAV_I0_DOT));
ephemeris_record.d_IDOT *= CNAV_I0_DOT_LSB;
ephemeris_record.d_Cis = static_cast<double>(read_navigation_signed(data_bits, CNAV_CIS));
ephemeris_record.d_Cis *= CNAV_CIS_LSB;
ephemeris_record.d_Cic = static_cast<double>(read_navigation_signed(data_bits, CNAV_CIC));
ephemeris_record.d_Cic *= CNAV_CIC_LSB;
ephemeris_record.d_Crs = static_cast<double>(read_navigation_signed(data_bits, CNAV_CRS));
ephemeris_record.d_Crs *= CNAV_CRS_LSB;
ephemeris_record.d_Crc = static_cast<double>(read_navigation_signed(data_bits, CNAV_CRC));
ephemeris_record.d_Crc *= CNAV_CRC_LSB;
ephemeris_record.d_Cus = static_cast<double>(read_navigation_signed(data_bits, CNAV_CUS));
ephemeris_record.d_Cus *= CNAV_CUS_LSB;
ephemeris_record.d_Cuc = static_cast<double>(read_navigation_signed(data_bits, CNAV_CUC));
ephemeris_record.d_Cuc *= CNAV_CUC_LSB;
b_flag_ephemeris_2 = true;
break;
case 30: // (CLOCK, IONO, GRUP DELAY)
//clock
ephemeris_record.d_Toc = static_cast<double>(read_navigation_unsigned(data_bits, CNAV_TOC));
ephemeris_record.d_Toc *= CNAV_TOC_LSB;
ephemeris_record.d_URA0 = static_cast<double>(read_navigation_signed(data_bits, CNAV_URA_NED0));
ephemeris_record.d_URA1 = static_cast<double>(read_navigation_unsigned(data_bits, CNAV_URA_NED1));
ephemeris_record.d_URA2 = static_cast<double>(read_navigation_unsigned(data_bits, CNAV_URA_NED2));
ephemeris_record.d_A_f0 = static_cast<double>(read_navigation_signed(data_bits, CNAV_AF0));
ephemeris_record.d_A_f0 *= CNAV_AF0_LSB;
ephemeris_record.d_A_f1 = static_cast<double>(read_navigation_signed(data_bits, CNAV_AF1));
ephemeris_record.d_A_f1 *= CNAV_AF1_LSB;
ephemeris_record.d_A_f2 = static_cast<double>(read_navigation_signed(data_bits, CNAV_AF2));
ephemeris_record.d_A_f2 *= CNAV_AF2_LSB;
//group delays
//Check if the grup delay values are not available. See IS-GPS-200, Table 30-IV.
//Bit string "1000000000000" is -4096 in 2 complement
ephemeris_record.d_TGD = static_cast<double>(read_navigation_signed(data_bits, CNAV_TGD));
if(ephemeris_record.d_TGD < -4095.9) { ephemeris_record.d_TGD = 0.0; }
ephemeris_record.d_TGD *= CNAV_TGD_LSB;
b_flag_ephemeris_1 = true;
break;
case 11: // Ephemeris 2/2
ephemeris_record.d_Toe2 = static_cast<double>(read_navigation_unsigned(data_bits, CNAV_TOE2));
ephemeris_record.d_Toe2 *= CNAV_TOE2_LSB;
ephemeris_record.d_OMEGA0 = static_cast<double>(read_navigation_signed(data_bits, CNAV_OMEGA0));
ephemeris_record.d_OMEGA0 *= CNAV_OMEGA0_LSB;
ephemeris_record.d_DELTA_OMEGA_DOT = static_cast<double>(read_navigation_signed(data_bits, CNAV_DELTA_OMEGA_DOT));
ephemeris_record.d_DELTA_OMEGA_DOT *= CNAV_DELTA_OMEGA_DOT_LSB;
ephemeris_record.d_i_0 = static_cast<double>(read_navigation_signed(data_bits, CNAV_I0));
ephemeris_record.d_i_0 *= CNAV_I0_LSB;
ephemeris_record.d_IDOT = static_cast<double>(read_navigation_signed(data_bits, CNAV_I0_DOT));
ephemeris_record.d_IDOT *= CNAV_I0_DOT_LSB;
ephemeris_record.d_Cis = static_cast<double>(read_navigation_signed(data_bits, CNAV_CIS));
ephemeris_record.d_Cis *= CNAV_CIS_LSB;
ephemeris_record.d_Cic = static_cast<double>(read_navigation_signed(data_bits, CNAV_CIC));
ephemeris_record.d_Cic *= CNAV_CIC_LSB;
ephemeris_record.d_Crs = static_cast<double>(read_navigation_signed(data_bits, CNAV_CRS));
ephemeris_record.d_Crs *= CNAV_CRS_LSB;
ephemeris_record.d_Crc = static_cast<double>(read_navigation_signed(data_bits, CNAV_CRC));
ephemeris_record.d_Crc *= CNAV_CRC_LSB;
ephemeris_record.d_Cus = static_cast<double>(read_navigation_signed(data_bits, CNAV_CUS));
ephemeris_record.d_Cus *= CNAV_CUS_LSB;
ephemeris_record.d_Cuc = static_cast<double>(read_navigation_signed(data_bits, CNAV_CUC));
ephemeris_record.d_Cuc *= CNAV_CUC_LSB;
b_flag_ephemeris_2 = true;
break;
case 30: // (CLOCK, IONO, GRUP DELAY)
//clock
ephemeris_record.d_Toc = static_cast<double>(read_navigation_unsigned(data_bits, CNAV_TOC));
ephemeris_record.d_Toc *= CNAV_TOC_LSB;
ephemeris_record.d_URA0 = static_cast<double>(read_navigation_signed(data_bits, CNAV_URA_NED0));
ephemeris_record.d_URA1 = static_cast<double>(read_navigation_unsigned(data_bits, CNAV_URA_NED1));
ephemeris_record.d_URA2 = static_cast<double>(read_navigation_unsigned(data_bits, CNAV_URA_NED2));
ephemeris_record.d_A_f0 = static_cast<double>(read_navigation_signed(data_bits, CNAV_AF0));
ephemeris_record.d_A_f0 *= CNAV_AF0_LSB;
ephemeris_record.d_A_f1 = static_cast<double>(read_navigation_signed(data_bits, CNAV_AF1));
ephemeris_record.d_A_f1 *= CNAV_AF1_LSB;
ephemeris_record.d_A_f2 = static_cast<double>(read_navigation_signed(data_bits, CNAV_AF2));
ephemeris_record.d_A_f2 *= CNAV_AF2_LSB;
//group delays
//Check if the grup delay values are not available. See IS-GPS-200, Table 30-IV.
//Bit string "1000000000000" is -4096 in 2 complement
ephemeris_record.d_TGD = static_cast<double>(read_navigation_signed(data_bits, CNAV_TGD));
if (ephemeris_record.d_TGD < -4095.9)
{
ephemeris_record.d_TGD = 0.0;
}
ephemeris_record.d_TGD *= CNAV_TGD_LSB;
ephemeris_record.d_ISCL1 = static_cast<double>(read_navigation_signed(data_bits, CNAV_ISCL1));
if(ephemeris_record.d_ISCL1 < -4095.9) { ephemeris_record.d_ISCL1 = 0.0; }
ephemeris_record.d_ISCL1 *= CNAV_ISCL1_LSB;
ephemeris_record.d_ISCL1 = static_cast<double>(read_navigation_signed(data_bits, CNAV_ISCL1));
if (ephemeris_record.d_ISCL1 < -4095.9)
{
ephemeris_record.d_ISCL1 = 0.0;
}
ephemeris_record.d_ISCL1 *= CNAV_ISCL1_LSB;
ephemeris_record.d_ISCL2 = static_cast<double>(read_navigation_signed(data_bits, CNAV_ISCL2));
if(ephemeris_record.d_ISCL2 < -4095.9) { ephemeris_record.d_ISCL2 = 0.0; }
ephemeris_record.d_ISCL2 *= CNAV_ISCL2_LSB;
ephemeris_record.d_ISCL2 = static_cast<double>(read_navigation_signed(data_bits, CNAV_ISCL2));
if (ephemeris_record.d_ISCL2 < -4095.9)
{
ephemeris_record.d_ISCL2 = 0.0;
}
ephemeris_record.d_ISCL2 *= CNAV_ISCL2_LSB;
ephemeris_record.d_ISCL5I = static_cast<double>(read_navigation_signed(data_bits, CNAV_ISCL5I));
if(ephemeris_record.d_ISCL5I < -4095.9) { ephemeris_record.d_ISCL5I = 0.0; }
ephemeris_record.d_ISCL5I *= CNAV_ISCL5I_LSB;
ephemeris_record.d_ISCL5Q = static_cast<double>(read_navigation_signed(data_bits, CNAV_ISCL5Q));
if(ephemeris_record.d_ISCL5Q < -4095.9) { ephemeris_record.d_ISCL5Q = 0.0; }
ephemeris_record.d_ISCL5Q *= CNAV_ISCL5Q_LSB;
//iono
iono_record.d_alpha0 = static_cast<double>(read_navigation_signed(data_bits, CNAV_ALPHA0));
iono_record.d_alpha0 = iono_record.d_alpha0 * CNAV_ALPHA0_LSB;
iono_record.d_alpha1 = static_cast<double>(read_navigation_signed(data_bits, CNAV_ALPHA1));
iono_record.d_alpha1 = iono_record.d_alpha1 * CNAV_ALPHA1_LSB;
iono_record.d_alpha2 = static_cast<double>(read_navigation_signed(data_bits, CNAV_ALPHA2));
iono_record.d_alpha2 = iono_record.d_alpha2 * CNAV_ALPHA2_LSB;
iono_record.d_alpha3 = static_cast<double>(read_navigation_signed(data_bits, CNAV_ALPHA3));
iono_record.d_alpha3 = iono_record.d_alpha3 * CNAV_ALPHA3_LSB;
iono_record.d_beta0 = static_cast<double>(read_navigation_signed(data_bits, CNAV_BETA0));
iono_record.d_beta0 = iono_record.d_beta0 * CNAV_BETA0_LSB;
iono_record.d_beta1 = static_cast<double>(read_navigation_signed(data_bits, CNAV_BETA1));
iono_record.d_beta1 = iono_record.d_beta1 * CNAV_BETA1_LSB;
iono_record.d_beta2 = static_cast<double>(read_navigation_signed(data_bits, CNAV_BETA2));
iono_record.d_beta2 = iono_record.d_beta2 * CNAV_BETA2_LSB;
iono_record.d_beta3 = static_cast<double>(read_navigation_signed(data_bits, CNAV_BETA3));
iono_record.d_beta3 = iono_record.d_beta3 * CNAV_BETA3_LSB;
b_flag_iono_valid = true;
break;
case 33: // (CLOCK & UTC)
ephemeris_record.d_Top = static_cast<double>(read_navigation_unsigned(data_bits, CNAV_TOP1));
ephemeris_record.d_Top = ephemeris_record.d_Top * CNAV_TOP1_LSB;
ephemeris_record.d_Toc = static_cast<double>(read_navigation_unsigned(data_bits, CNAV_TOC));
ephemeris_record.d_Toc = ephemeris_record.d_Toc * CNAV_TOC_LSB;
ephemeris_record.d_A_f0 = static_cast<double>(read_navigation_signed(data_bits, CNAV_AF0));
ephemeris_record.d_A_f0 = ephemeris_record.d_A_f0 * CNAV_AF0_LSB;
ephemeris_record.d_A_f1 = static_cast<double>(read_navigation_signed(data_bits, CNAV_AF1));
ephemeris_record.d_A_f1 = ephemeris_record.d_A_f1 * CNAV_AF1_LSB;
ephemeris_record.d_A_f2 = static_cast<double>(read_navigation_signed(data_bits, CNAV_AF2));
ephemeris_record.d_A_f2 = ephemeris_record.d_A_f2 * CNAV_AF2_LSB;
ephemeris_record.d_ISCL5I = static_cast<double>(read_navigation_signed(data_bits, CNAV_ISCL5I));
if (ephemeris_record.d_ISCL5I < -4095.9)
{
ephemeris_record.d_ISCL5I = 0.0;
}
ephemeris_record.d_ISCL5I *= CNAV_ISCL5I_LSB;
ephemeris_record.d_ISCL5Q = static_cast<double>(read_navigation_signed(data_bits, CNAV_ISCL5Q));
if (ephemeris_record.d_ISCL5Q < -4095.9)
{
ephemeris_record.d_ISCL5Q = 0.0;
}
ephemeris_record.d_ISCL5Q *= CNAV_ISCL5Q_LSB;
//iono
iono_record.d_alpha0 = static_cast<double>(read_navigation_signed(data_bits, CNAV_ALPHA0));
iono_record.d_alpha0 = iono_record.d_alpha0 * CNAV_ALPHA0_LSB;
iono_record.d_alpha1 = static_cast<double>(read_navigation_signed(data_bits, CNAV_ALPHA1));
iono_record.d_alpha1 = iono_record.d_alpha1 * CNAV_ALPHA1_LSB;
iono_record.d_alpha2 = static_cast<double>(read_navigation_signed(data_bits, CNAV_ALPHA2));
iono_record.d_alpha2 = iono_record.d_alpha2 * CNAV_ALPHA2_LSB;
iono_record.d_alpha3 = static_cast<double>(read_navigation_signed(data_bits, CNAV_ALPHA3));
iono_record.d_alpha3 = iono_record.d_alpha3 * CNAV_ALPHA3_LSB;
iono_record.d_beta0 = static_cast<double>(read_navigation_signed(data_bits, CNAV_BETA0));
iono_record.d_beta0 = iono_record.d_beta0 * CNAV_BETA0_LSB;
iono_record.d_beta1 = static_cast<double>(read_navigation_signed(data_bits, CNAV_BETA1));
iono_record.d_beta1 = iono_record.d_beta1 * CNAV_BETA1_LSB;
iono_record.d_beta2 = static_cast<double>(read_navigation_signed(data_bits, CNAV_BETA2));
iono_record.d_beta2 = iono_record.d_beta2 * CNAV_BETA2_LSB;
iono_record.d_beta3 = static_cast<double>(read_navigation_signed(data_bits, CNAV_BETA3));
iono_record.d_beta3 = iono_record.d_beta3 * CNAV_BETA3_LSB;
b_flag_iono_valid = true;
break;
case 33: // (CLOCK & UTC)
ephemeris_record.d_Top = static_cast<double>(read_navigation_unsigned(data_bits, CNAV_TOP1));
ephemeris_record.d_Top = ephemeris_record.d_Top * CNAV_TOP1_LSB;
ephemeris_record.d_Toc = static_cast<double>(read_navigation_unsigned(data_bits, CNAV_TOC));
ephemeris_record.d_Toc = ephemeris_record.d_Toc * CNAV_TOC_LSB;
ephemeris_record.d_A_f0 = static_cast<double>(read_navigation_signed(data_bits, CNAV_AF0));
ephemeris_record.d_A_f0 = ephemeris_record.d_A_f0 * CNAV_AF0_LSB;
ephemeris_record.d_A_f1 = static_cast<double>(read_navigation_signed(data_bits, CNAV_AF1));
ephemeris_record.d_A_f1 = ephemeris_record.d_A_f1 * CNAV_AF1_LSB;
ephemeris_record.d_A_f2 = static_cast<double>(read_navigation_signed(data_bits, CNAV_AF2));
ephemeris_record.d_A_f2 = ephemeris_record.d_A_f2 * CNAV_AF2_LSB;
utc_model_record.d_A0 = static_cast<double>(read_navigation_signed(data_bits, CNAV_A0));
utc_model_record.d_A0 = utc_model_record.d_A0 * CNAV_A0_LSB;