mirrors/gnss-sdr
1
0
Fork 0
mirror of https://github.com/gnss-sdr/gnss-sdr synced 2024-12-13 19:50:34 +00:00
Code Issues Releases Wiki Activity

Update references to new GPS ICDs (add missing file)

Browse Source
This commit is contained in:
Carles Fernandez 2021-01-12 10:46:38 +01:00
parent ddc5bcff01
commit ede02f91df
No known key found for this signature in database
GPG Key ID: 4C583C52B0C3877D
1 changed files with 8 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
src/core/system_parameters/gps_navigation_message.cc
View File

@ -1,6 +1,6 @@
/*!
* \file gps_navigation_message.cc
* \brief Implementation of a GPS NAV Data message decoder as described in IS-GPS-200K
* \brief Implementation of a GPS NAV Data message decoder as described in IS-GPS-200L
* \author Javier Arribas, 2011. jarribas(at)cttc.es
*
* See https://www.gps.gov/technical/icwg/IS-GPS-200L.pdf Appendix II
@ -135,7 +135,7 @@ int32_t Gps_Navigation_Message::subframe_decoder(char* subframe)
switch (subframe_ID)
{
// --- Decode the sub-frame id -----------------------------------------
// ICD (IS-GPS-200K Appendix II). https://www.gps.gov/technical/icwg/IS-GPS-200L.pdf
// ICD (IS-GPS-200L Appendix II). https://www.gps.gov/technical/icwg/IS-GPS-200L.pdf
case 1:
// --- It is subframe 1 -------------------------------------
// Compute the time of week (TOW) of the first sub-frames in the array ====
@ -233,7 +233,7 @@ int32_t Gps_Navigation_Message::subframe_decoder(char* subframe)
b_antispoofing_flag = read_navigation_bool(subframe_bits, ANTI_SPOOFING_FLAG);
SV_data_ID = static_cast<int32_t>(read_navigation_unsigned(subframe_bits, SV_DATA_ID));
SV_page = static_cast<int32_t>(read_navigation_unsigned(subframe_bits, SV_PAGE));
if (SV_page > 24 && SV_page < 33) // Page 4 (from Table 20-V. Data IDs and SV IDs in Subframes 4 and 5, IS-GPS-200K, page 110)
if (SV_page > 24 && SV_page < 33) // Page 4 (from Table 20-V. Data IDs and SV IDs in Subframes 4 and 5, IS-GPS-200L, page 110)
{
//! \TODO read almanac
if (SV_data_ID != 0)
@ -241,12 +241,12 @@ int32_t Gps_Navigation_Message::subframe_decoder(char* subframe)
}
}
if (SV_page == 52) // Page 13 (from Table 20-V. Data IDs and SV IDs in Subframes 4 and 5, IS-GPS-200K, page 110)
if (SV_page == 52) // Page 13 (from Table 20-V. Data IDs and SV IDs in Subframes 4 and 5, IS-GPS-200L, page 110)
{
//! \TODO read Estimated Range Deviation (ERD) values
}
if (SV_page == 56) // Page 18 (from Table 20-V. Data IDs and SV IDs in Subframes 4 and 5, IS-GPS-200K, page 110)
if (SV_page == 56) // Page 18 (from Table 20-V. Data IDs and SV IDs in Subframes 4 and 5, IS-GPS-200L, page 110)
{
// Page 18 - Ionospheric and UTC data
d_alpha0 = static_cast<double>(read_navigation_signed(subframe_bits, ALPHA_0));
@ -284,7 +284,7 @@ int32_t Gps_Navigation_Message::subframe_decoder(char* subframe)
// Reserved
}
if (SV_page == 63) // Page 25 (from Table 20-V. Data IDs and SV IDs in Subframes 4 and 5, IS-GPS-200K, page 110)
if (SV_page == 63) // Page 25 (from Table 20-V. Data IDs and SV IDs in Subframes 4 and 5, IS-GPS-200L, page 110)
{
// Page 25 Anti-Spoofing, SV config and almanac health (PRN: 25-32)
//! \TODO Read Anti-Spoofing, SV config
@ -317,7 +317,7 @@ int32_t Gps_Navigation_Message::subframe_decoder(char* subframe)
{
}
}
if (SV_page_5 == 51) // Page 25 (from Table 20-V. Data IDs and SV IDs in Subframes 4 and 5, IS-GPS-200K, page 110)
if (SV_page_5 == 51) // Page 25 (from Table 20-V. Data IDs and SV IDs in Subframes 4 and 5, IS-GPS-200L, page 110)
{
i_Toa = static_cast<int32_t>(read_navigation_unsigned(subframe_bits, T_OA));
i_Toa = i_Toa * T_OA_LSB;
@ -411,7 +411,7 @@ double Gps_Navigation_Message::utc_time(const double gpstime_corrected) const
/* 20.3.3.5.2.4c
* Whenever the effectivity time of the leap second event, as indicated by the
* WNLSF and DN values, is in the "past" (relative to the user's current time),
* and the user<EFBFBD>s current time does not fall in the time span as given above
* and the user's current time does not fall in the time span as given above
* in 20.3.3.5.2.4b,*/
Delta_t_UTC = d_DeltaT_LSF + d_A0 + d_A1 * (gpstime_corrected - d_t_OT + 604800 * static_cast<double>((i_GPS_week - i_WN_T)));
t_utc_daytime = fmod(gpstime_corrected - Delta_t_UTC, 86400);